Overall indexable gear hob with chamfer structure

Abstract

The utility model discloses an integral indexable gear hob with a chamfering structure, and relates to a gear machining cutter. The problem that a traditional indexable gear hob does not have a chamfering function is solved. An indexable hard alloy chamfering blade is arranged at the root of a spiral cutter body on the lower portion of an indexable hard alloy top side blade, the indexable hard alloy chamfering blade is trapezoidal, and the indexable hard alloy top side blade and the indexable hard alloy chamfering blade are evenly arranged on the two sides of the spiral cutter body. According to the utility model, the cost of manual grinding and chamfer machining of a gear grinding machine is saved, the production efficiency is high, the problems of nonuniformity, low efficiency and poor quality of manual grinding are solved by increasing a small amount of cost, and the product quality is greatly improved.

Description

Technical Field

[0001] The utility model relates to a gear processing tool, in particular to an integral indexable gear hob with a chamfering structure. Background Art

[0002] In recent years, with the large-scale localization of indexable gear hobs, users have higher and higher requirements for gear hobs. Conventional indexable gear hobs do not have chamfering requirements due to structural and functional limitations. The reason is that the chamfering of the workpiece is completed by the user's offline manual grinding or the high-quality gear grinding machine. In addition, due to structural limitations, the chamfering part of the hob is also difficult to manufacture. As users' requirements for product quality and cost-effectiveness are getting higher and higher, it is urgent to research and design an indexable gear hob with a chamfering structure that meets user requirements to improve product processing efficiency, save labor and equipment costs, and make the product more beautiful and of higher quality. Utility Model Content

[0003] In order to solve the problem that the traditional integral indexable gear hob does not have the function of processing chamfers, the chamfers of the tooth tops of the processed gears need to be processed offline, the chamfering quality is poor, the appearance is not good, and the labor and equipment costs are high, the utility model provides an integral indexable gear hob with a chamfering structure, and the specific technical solution to solve the problem is as follows:

[0004] The utility model discloses an integral indexable gear hob with a chamfering structure, which is composed of a spiral cutter body, an indexable carbide top side blade, an indexable carbide top side blade clamping screw, an indexable carbide chamfering blade and an indexable carbide chamfering blade clamping screw. The indexable carbide chamfering blade is arranged at the root of the spiral cutter body in the middle of the lower parts of two adjacent indexable carbide top side blades. The indexable carbide chamfering blade is trapezoidal, and a clearance hole is provided on the indexable carbide chamfering blade. Indexable carbide chamfering blade grooves are provided at the roots on the left and right sides of the spiral cutter body. The indexable carbide chamfering blade is fixed in the indexable carbide chamfering blade groove through the clearance hole by the chamfering blade clamping screw. The indexable carbide top side blade and the indexable carbide chamfering blade are arranged on both sides of the spiral cutter body. The indexable carbide top side blade and the indexable carbide chamfering blade constitute the normal tooth shape of the indexable gear hob with a chamfering structure.

[0005] The utility model has an integral indexable gear hob with chamfering structure, which adopts indexable carbide chamfering trapezoidal blades, which are evenly arranged on both sides of the spiral cutter body, and the equal fraction thereof is half of the equal fraction of the top blade, and together with the indexable carbide top blade, the gear tooth groove part is processed. After the gear tooth groove is processed, the chamfer at the tooth top circle is also processed at the same time, which improves the processing production efficiency, has good chamfering consistency, and the appearance of the workpiece is particularly uniform. It saves the cost of manual grinding and gear grinding equipment for chamfering, and reduces the cost of labor and processing equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 This is the front view of the utility model. Figure 2 yes Figure 1 The left view of Figure 3 It is a normal tooth profile diagram composed of indexable carbide top side inserts and indexable carbide chamfering inserts. Figure 4 This is the front view of the indexable carbide top tooth insert. Figure 5 yes Figure 4 A top view of Figure 6 This is the front view of the indexable carbide chamfering insert. Figure 7 yes Figure 6 A top view of Figure 8 yes Figure 6 4 is the clamping screw of the indexable carbide top side insert. DETAILED DESCRIPTION

[0007] Specific implementation method 1: Combination Figures 1 to 8 The present embodiment is described. The present embodiment comprises a spiral cutter body 1, an indexable cemented carbide top blade 2, an indexable cemented carbide top blade clamping screw 3, an indexable cemented carbide chamfering blade 5 and an indexable cemented carbide chamfering blade clamping screw 6. The indexable cemented carbide chamfering blade 5 is arranged at the root of the spiral cutter body 1 between the lower parts of two adjacent indexable cemented carbide top blades 2. The indexable cemented carbide chamfering blade 5 is trapezoidal in shape and has a clearance hole 7. An indexable carbide chamfering blade groove 8 is opened at the root of the left and right sides of the spiral cutter body 1, and the indexable carbide chamfering blade 5 is fixed in the indexable carbide chamfering blade groove 8 by the chamfering blade clamping screw 6 through the gap hole 7. The indexable carbide top side blade 2 and the indexable carbide chamfering blade 5 are arranged on both sides of the spiral cutter body 1. The indexable carbide top side blade 2 and the indexable carbide chamfering blade 5 constitute the normal tooth shape of the indexable gear hob with chamfering structure.

[0008] Specific implementation method 2: Combination Figure 1 , Figure 2The present embodiment is described as follows: The indexable carbide chamfering blades 5 described in the present embodiment are evenly arranged on both sides of the spiral cutter body 1 , and the number of the indexable carbide top side blades 2 is half.

[0009] Specific implementation method three: Combination Figures 1 to 3 and Figures 6 to 8 The present embodiment is described as follows: The indexable carbide chamfering insert 5 described in the present embodiment is suitable for tool modules of M10 to M50.

[0010] The above embodiments are merely illustrative and do not limit the present invention. It should be pointed out that for those skilled in the art, other equivalent changes, modifications, substitutions and variations made under the inspiration of the technical solution provided by the present invention should all be regarded as within the protection scope of the present invention.

Claims

1. An integral indexable gear hob with a chamfering structure, which consists of a spiral cutter body, an indexable carbide top blade, an indexable carbide top blade clamping screw, an indexable carbide chamfering blade and an indexable carbide chamfering blade clamping screw, and is characterized by: The indexable carbide chamfering blade is arranged at the root position of the spiral cutter body in the middle of the lower part of two adjacent indexable carbide top side blades. The indexable carbide chamfering blade is trapezoidal and has a clearance hole. The roots on the left and right sides of the spiral cutter body are provided with indexable carbide chamfering blade grooves. The indexable carbide chamfering blade is fixed in the indexable carbide chamfering blade groove through the clearance hole by the chamfering blade clamping screw. The indexable carbide top side blade and the indexable carbide chamfering blade are arranged on both sides of the spiral cutter body. The indexable carbide top side blade and the indexable carbide chamfering blade constitute the normal tooth shape of the indexable gear hob with chamfering structure.

2. The integral indexable gear hob with chamfer structure according to claim 1, characterized in that: The indexable carbide chamfering blades are evenly arranged at the roots of both sides of the spiral cutter body, and the number of equally divided blades is half of the indexable carbide top side blades.

3. The integral indexable gear hob with chamfer structure according to claim 1, characterized in that: The indexable carbide chamfering blade is suitable for gear hobs with a module of M10 to M50.

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