CN219541725U - Large-aperture flat rotating disc combined boring cutter - Google Patents

Abstract

The utility model relates to the field of boring cutters, in particular to a large-aperture flat rotating disc combined boring cutter, which comprises a mounting seat, a flat rotating disc and a boring cutter assembly which are sequentially connected, wherein the boring cutter assembly comprises: the boring cutter comprises a cutter handle, a cutter holder and a cutter head, wherein the cutter handle is fixedly connected to the flat rotating disc, the cutter holder is fixedly connected with the cutter handle, the cutter head is movably connected with the cutter holder, three boring cutter blades are uniformly arranged on the cutter head and internally structured to penetrate in a gear shape, and a gear-shaped boss is arranged on one side of the cutter holder and is identical and matched with the internal structure of the cutter head. The utility model has the advantages that: the combined cutter set with the rough boring cutter and the fine boring cutter can realize the integrated completion of the rough boring and the fine boring, reduce the processing procedures and reduce the error; the rough boring cutter and the fine boring cutter are provided with a plurality of cutter heads, and the cutter heads can be replaced after rotation, so that the efficiency is further improved.

Description

Large-aperture flat rotating disc combined boring cutter

Technical Field

The utility model relates to the field of boring cutters, in particular to a large-aperture flat rotating disc combined boring cutter.

Background

A large diameter circular hole, such as a flywheel mounting hole of a flywheel housing, is often designed on many mechanical parts. For boring processing with large-scale and high-precision requirements, a rough and fine boring combined mode is generally adopted for processing, but rough and fine boring cutters are separated, firstly, rough boring cutters are used for rough processing of holes, fine boring allowance is reserved, after rough boring is finished, fine boring processing can be carried out only by replacing the fine boring cutters, the aperture is processed to the corresponding required precision, two working procedures are required to be distributed, continuous and efficient processing cannot be realized, the processing efficiency is low, and once the boring cutters are worn, the cutter head is required to be replaced, the working efficiency is reduced, and the production cost is high.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides the large-aperture flat rotating disc combined boring cutter which is provided with the combined cutter group with the integrated rough boring cutter and the integrated fine boring cutter, so that the integrated rough boring and the integrated fine boring can be realized, the processing procedures are reduced, and the error is reduced; the rough boring cutter and the fine boring cutter are provided with a plurality of cutter heads, and the cutter heads can be replaced after rotation, so that the efficiency is further improved; meanwhile, the main shaft gear of the flat rotating disc is adopted to drive the planetary gear to rotate, so that the boring cutter can smoothly cut.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a large aperture flat-rotating disc combination boring cutter, includes mount pad, flat-rotating disc, boring cutter subassembly that connects gradually, boring cutter subassembly includes: the boring cutter comprises a cutter handle, a cutter holder and a cutter head, wherein the cutter handle is fixedly connected onto the flat rotating disc, the cutter holder is fixedly connected with the cutter handle, the cutter head is movably connected with the cutter holder, three boring cutter blades are uniformly arranged on the cutter head and internally structured to penetrate in a gear shape, and a gear-shaped boss is arranged on one side of the cutter holder and is identical and matched with the inner structure of the cutter head.

Further, 2 boring cutter assemblies are symmetrically arranged, wherein the boring cutter on one boring cutter assembly is provided with a rough boring blade, and the boring cutter on the other boring cutter assembly is provided with a fine boring blade.

Further, the flat rotating disc is formed by sequentially connecting a fixed plate, a gear assembly and a cover plate, and is driven by a driving motor in the mounting seat;

the gear assembly includes: the gear comprises a main shaft gear, a first planetary gear, a second planetary gear, a third planetary gear and a gear ring, wherein the first planetary gear, the second planetary gear and the third planetary gear are distributed in a regular triangle, the inner side of the gear ring is meshed with the main shaft gear, and the outer side of the gear ring is meshed with the inner side of the gear ring.

Further, the first planetary gear, the second planetary gear and the third planetary gear are planetary gears with the same radius and completely identical structure.

The utility model has the advantages that: the utility model provides a large-aperture flat rotary disc combined boring cutter which is provided with a combined cutter group with a rough boring cutter and a finish boring cutter which are integrated, so that the rough boring and the finish boring can be completed integrally, the processing procedures are reduced, and the error is reduced; the rough boring cutter and the fine boring cutter are provided with a plurality of cutter heads, and the cutter heads can be replaced after rotation, so that the efficiency is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings needed in the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of the inner structure of the flat rotating disc of the present utility model;

FIG. 3 is a schematic view of a boring tool assembly according to the present utility model.

Wherein:

1. a mounting base; 2. A flat rotating disc; 3. Boring cutter components;

21. a gear assembly; 22. A fixing plate; 23. A cover plate;

211. a spindle gear; 212. A first planetary gear; 213. A second planetary gear;

214. a third planetary gear; 215. And a gear ring.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance, but rather the terms "mounted," "connected," "coupled," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and 3:

the utility model provides a large aperture flat-rotating disc combination boring cutter, includes mount pad 1, flat-rotating disc 2, boring cutter subassembly 3 that connect gradually, be provided with driving motor in the mount pad 1, boring cutter subassembly 3 includes: the pair of boring cutters with the same structure and symmetrical distribution is different in that one boring cutter can be provided with a rough boring cutter blade, the other boring cutter can be provided with a finish boring cutter blade, and finish boring is performed immediately after the rough boring is finished, so that the processing efficiency and quality are improved.

The pair of boring cutter components 3 are respectively provided with a cutter handle 31, a cutter holder 32 and a cutter head 33, wherein the cutter handle 31 is fixedly connected to a cover plate 23 on the flat rotating disc 2 and can rotate along with the flat rotating disc 2 to carry out boring and filing, the cutter holder 32 is fixedly connected with the cutter handle 31, the cutter head 33 is movably connected with the cutter holder 32, a gear boss is arranged on the outer side of the cutter holder 32 and is meshed with the cutter head 33, when the cutter head which is working needs to be replaced, the cutter head 33 is pulled out outwards to adjust the angle, then the cutter head 32 is inserted, the replacement of the cutter blade is completed, three boring cutter blades are uniformly arranged on the cutter head 33, and the cutter head is convenient to replace in working.

As shown in fig. 1 and 2:

the flat rotating disc 2 includes: the fixed plate (22) is fixedly connected with the mounting seat (1), and a round hole which is matched with the diameter of the main shaft of the driving motor is formed in the circle center of the fixed plate 22, so that the main shaft can conveniently pass through and normal rotation is not influenced;

the gear assembly 21 includes: the main shaft gear 211, the first planet gear 212, the second planet gear 213, the third planet gear 214 and the gear ring 215, the main shaft gear 211 is fixedly connected with the bearing of the driving motor in the installation seat 1, the first planet gear 212, the second planet gear 213 and the third planet gear 214 are distributed in a regular triangle, the inner side is meshed with the main shaft gear 211, the outer side is meshed with the inner side of the gear ring 215, the planet gears are uniformly distributed between the inner center wheel and the outer center wheel, the inertia force acting on the center wheel and the planet carrier bearing can be balanced, the symmetrical structure is adopted, the efficiency of the transmission system is improved, the uniform load distribution and the uniform power distribution among the planet gears are maintained by the uniform load distribution device, the inertia force of each planet gear and the rotating arm can be balanced, the stability, the shock resistance and the vibration resistance of the planetary gear speed reduction motor are remarkably improved, the requirement of stable operation is met while the production efficiency is improved, and the working radius is increased by arranging the planet gears.

The utility model provides a large-aperture flat rotating disc combined boring cutter, which has the following working states:

the driving motor in the mounting seat 1 drives the main shaft gear 211 to rotate, the main shaft gear 211 rotates to drive the first planetary gear 212, the second planetary gear 213 and the third planetary gear 214 to rotate respectively so as to drive the gear ring 215 to rotate, the gear ring cover plate 231 rotates together with the cutter handle 31 to drive the boring cutter assembly 3 to rotate, so that the boring and filing function is realized, when the boring cutter with the rough boring blade on one side is processed, the boring cutter with the fine boring blade on the other side is subjected to fine boring immediately, when the rough boring blade and the fine boring blade in work are worn seriously and need to be replaced, the cutter head 33 is pulled outwards, a new cutter head is placed in the processing mode to be inserted into the cutter seat 32 after the processing, and then the replacement of the cutter head is completed.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (4)

1. The utility model provides a large aperture flat rotating disc combination boring cutter, includes mount pad (1), flat rotating disc (2), boring cutter subassembly (3) that connect gradually, its characterized in that, boring cutter subassembly (3) include: handle of a knife (31), blade holder (32) and tool bit (33), handle of a knife (31) fixed connection is in on the flat rotating disc (2), blade holder (32) with handle of a knife (31) fixed connection, tool bit (33) with blade holder (32) swing joint, evenly set up three boring cutter blade and inner structure on tool bit (33) and be the gear form and run through, blade holder (32) one side is equipped with gear-like boss, with tool bit (33) inner structure is the same and coincide.

2. The large aperture pan combined boring tool of claim 1, wherein: the number of the boring cutter assemblies (3) is 2, and the boring cutter assemblies are symmetrically arranged, wherein the boring cutter on one boring cutter assembly is provided with a rough boring blade, and the boring cutter on the other boring cutter assembly is provided with a fine boring blade.

3. The large aperture pan combined boring tool of claim 1, wherein: the flat rotating disc (2) is formed by sequentially connecting a fixed plate (22), a gear assembly (21) and a cover plate (23), and is driven by a driving motor in the mounting seat (1);

the gear assembly (21) comprises: the gear comprises a main shaft gear (211), a first planetary gear (212), a second planetary gear (213), a third planetary gear (214) and a gear ring (215), wherein the first planetary gear (212), the second planetary gear (213) and the third planetary gear (214) are distributed in a regular triangle, the inner sides of the first planetary gear, the second planetary gear (213) and the third planetary gear (214) are meshed with the main shaft gear (211), and the outer sides of the first planetary gear, the second planetary gear and the third planetary gear are meshed with the inner sides of the gear ring (215).

4. A large aperture pan boring cutter according to claim 3, wherein: the first planetary gear (212), the second planetary gear (213) and the third planetary gear (214) are planetary gears with the same radius and completely identical structures.