CN219004628U

CN219004628U - Reverse hook tool for die-casting aluminum alloy hole machining

Info

Publication number: CN219004628U
Application number: CN202223331017.4U
Authority: CN
Inventors: 徐祝军; 于凯强; 单志慧
Original assignee: Hongbang Die Casting Nantong Co ltd
Current assignee: Hongbang Die Casting Nantong Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-12
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to a hole machining tool, in particular to a reverse hooking tool for die casting aluminum alloy hole machining, which comprises a tool handle, a connecting part, a first tool bar and a second tool bar, wherein a reverse hooking chamfer blade is fixedly arranged at the front end of the second tool bar (8), a reverse hooking blade is arranged at the rear end of the reverse hooking chamfer blade, the tail end of the second tool bar is connected with the first tool bar, the second tool bar and the first tool bar are of eccentric reducing structures, a feeding blade is fixedly arranged at the front end of the first tool bar, and a chamfer blade is arranged at the rear end of the feeding blade.

Description

Reverse hook tool for die-casting aluminum alloy hole machining

Technical Field

The utility model relates to a hole machining tool, in particular to a reverse hook tool for die casting aluminum alloy hole machining.

Background

The aluminum alloy product can be applied to various fields by virtue of the advantages of light weight, attractive appearance, high strength, corrosion resistance, easiness in processing and the like.

The hole processing sequence on the aluminum alloy product in the prior art is as follows:

1. firstly, using a D74.6 rough boring cutter to carry out D75 Kong Kaicu, and carrying out hole chamfering in place, wherein the machining parameters are that the rotating speed is S4500S/min, and F1000mm/min is fed;

2. the fixture is rotated for 180 degrees, a D57.6 rough boring cutter is used for roughing a D58 hole, meanwhile, a hole opening chamfer is formed, the machining parameters are the rotating speed S4500S/min, and F1000mm/min is fed;

3. using a D75 bar guiding cutter to finish the D75 hole, wherein the machining parameters are that the rotating speed is S3000S/min, and the feeding speed is F300mm/min;

4. rotating the clamp for 180 degrees, and dividing the clamp into probes;

5. and after centering, using a D58 bar guiding cutter to carry out molding finish machining on the D58 hole, wherein the machining parameters are that the rotating speed is S2800S/min, and the feeding speed is F250mm/min.

The machining uses 5 cutters altogether, because the D58 hole has coaxiality and full-run-out requirements on the X reference hole, even if a probe is used in the machining process of the rotary clamp, the coaxiality and full-run-out still occasionally have the problem of out-of-dimension.

Disclosure of Invention

The utility model aims to overcome the defects and provide a reverse hook cutter for die casting aluminum alloy hole machining.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a reverse hook cutter for die-casting aluminum alloy hole processing, including handle of a knife, connecting portion, first cutter arbor and second cutter arbor, the front end fixed mounting of second cutter arbor has reverse hook chamfer blade, reverse hook chamfer blade is installed to the rear end of reverse hook chamfer blade, first cutter arbor is connected to the tail end of second cutter arbor, and second cutter arbor and first cutter arbor are eccentric reducing structure, the front end fixed mounting of first cutter arbor has the feeding blade, the chamfer blade is installed to the rear end of feeding blade, the connecting portion is being connected to the tail end of first cutter arbor, the handle of a knife is being connected to the tail end of connecting portion.

The handle is connected with the tail end of the connecting part through threads.

The upper ends of the cutting edges of the feeding blade, the chamfering blade, the reverse hooking blade and the reverse hooking chamfering blade are all provided with a chamfer angle.

The radius of the rounding is R0.4mm.

Compared with the prior art, the utility model has the following advantages:

the utility model can ensure the coaxiality and full run-out of the machined holes and simultaneously meet the requirements of coaxiality of 0.05mm and full run-out of 0.05mm under the condition of canceling the probe after machining, the machining tool is extremely high in integration, the tool changing time and the probe centering time are reduced, the use cost of the machining tool is greatly reduced, and the machining efficiency is improved.

The cutter handle is connected with the tail end of the connecting part through threads, and cutter handles of different types can be flexibly selected and matched according to the configuration of different machine tool spindles.

The upper ends of the cutting edges of the feeding blade, the chamfering blade, the reverse hooking blade and the reverse hooking chamfering blade are all provided with a chamfer angle, and the design can meet the back chipping requirement of product processing.

The radius of the chamfer is R0.4mm, machining resistance is greatly increased due to the fact that the radius is too large, cutting is not facilitated, the radius is too small, and the service life of the cutter cannot be reached due to the fact that the cutter is easy to jump.

Description of the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an intent of the tool of the present utility model to feed to the left;

FIG. 3 is an intent of the tool of the present utility model to feed to the right;

reference numerals in the drawings: the cutter comprises a cutter handle-1, a connecting part-2, a first cutter bar-3, a feeding blade-4, a chamfering blade-5, a reverse hooking blade-6, a reverse hooking chamfering blade-7, a second cutter bar-8, a front hole-9 and a back hole-10.

The specific embodiment is as follows:

for the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. Elements and features described in one embodiment of the utility model may be combined with elements and features shown in one or more other embodiments. It should be noted that the illustration and description of components and processes known to those of ordinary skill in the art, which are not relevant to the present utility model, have been omitted for clarity. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to fall within the scope of the utility model.

The utility model discloses a reverse hooking tool for die-casting aluminum alloy hole machining, which comprises a tool handle 1, a connecting part 2, a first tool bar 3 and a second tool bar 8, wherein a reverse hooking chamfer blade 7 is fixedly arranged at the front end of the second tool bar 8, a reverse hooking blade 6 is arranged at the rear end of the reverse hooking chamfer blade 7, the tail end of the second tool bar 8 is connected with the first tool bar 3, the second tool bar 8 and the first tool bar 3 are of eccentric reducing structures, a feeding blade 4 is fixedly arranged at the front end of the first tool bar 3, a chamfer blade 5 is arranged at the rear end of the feeding blade, the tail end of the first tool bar 3 is connected with the connecting part 2, and the tail end of the connecting part 2 is connected with the tool handle.

The tail ends of the tool handles 1 and the connecting parts 2 are connected through threads, and tool handles of different types can be flexibly selected according to the configuration of different machine tool spindles.

The back chipping requirement of product processing can be met by the design of the feeding blade 4, the chamfering blade 5, the back hooking blade 6 and the back hooking chamfering blade 7.

Working principle: 1. the second cutter bar 8 is eccentrically extended into the front face hole 9 until the reverse hooking blade 6 exceeds the right end face of the reverse face hole 10, the cutter is adjusted to be fed leftwards on the same central line with the front face hole 9, the reverse face hole 10 is machined by the reverse hooking blade 6 and the reverse hooking chamfering blade 7, the parameters are the rotating speed S3500S/min, F800mm/min is fed, after the reverse face hole 10 is machined, the cutter is fed rightwards, the front face hole 9 is machined by the feeding blade 4 and the chamfering blade 5, the parameters are the rotating speed S5000S/min, and F1500mm/min is fed.

2. The rotary table does not rotate, the probe is removed from the probe, the cutter is eccentrically withdrawn, the finished cutter with the same technical characteristics as the finished cutter is replaced, and the finish machining of the front surface hole 9 and the back surface hole 10 can be completed by repeating the working flow.

Finally, it should be noted that: although the present utility model and its advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims. Furthermore, the scope of the present application is not intended to be limited to the particular embodiments of the process, machine, means, method and steps described in the specification. Those of ordinary skill in the art will readily appreciate from the disclosure of the present utility model, processes, machines, means, methods, or steps, presently existing or later to be developed that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized according to the present utility model. Accordingly, the appended claims are intended to include within their scope such processes, apparatuses, means, methods, or steps.

Claims

1. The utility model provides a reverse hook cutter for die-casting aluminum alloy hole processing, includes handle of a knife (1), connecting portion (2), first cutter arbor (3) and second cutter arbor (8), its characterized in that: the front end fixed mounting of second cutter arbor (8) has reverse chamfer blade (7) that colludes, and reverse chamfer blade (6) are installed to the rear end that colludes of reverse chamfer blade (7), and first cutter arbor (3) are connected to the tail end of second cutter arbor (8), and second cutter arbor (8) and first cutter arbor (3) are eccentric reducing structure, and the front end fixed mounting of first cutter arbor (3) has feed blade (4), and chamfer blade (5) are installed to feed blade's rear end, and connecting portion (2) are being connected to the tail end of first cutter arbor (3), and the tail end of connecting portion (2) is being connected the handle of a knife.

2. The reverse hook cutter for die casting aluminum alloy hole machining according to claim 1, wherein: the knife handle (1) is connected with the tail end of the connecting part (2) through threads.

3. The reverse hook cutter for die casting aluminum alloy hole machining according to claim 1, wherein: the upper ends of the cutting edges of the feeding blade (4), the chamfering blade (5), the back-hooking blade (6) and the back-hooking chamfering blade (7) are all provided with a chamfer angle.

4. A reverse hook cutter for die casting aluminum alloy hole machining according to claim 3, characterized in that: the radius of the rounding is R0.4mm.