CN221336940U

CN221336940U - Gear hob convenient for replacing cutting teeth

Info

Publication number: CN221336940U
Application number: CN202322278280.XU
Authority: CN
Inventors: 张波
Original assignee: Luoyang Shuobo Machinery Equipment Co ltd
Current assignee: Luoyang Shuobo Machinery Equipment Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-07-16
Anticipated expiration: 2033-08-24

Abstract

The utility model discloses a gear hob convenient for replacing cutting teeth, which comprises a gear hob body, wherein the axis of the gear hob body is transversely arranged, and cutting tooth matrixes are uniformly distributed on the periphery of the gear hob body in the circumferential direction. The beneficial effects are that: according to the utility model, the reinforcing connection plates are additionally arranged between the bottoms of the plurality of cutting blade teeth positioned on the same axial direction, and the plurality of cutting blade teeth can be quickly combined and fixed on the corresponding cutting tooth base body through the reinforcing connection plates in a mode of additionally arranging the locking piece to the locking hole of the cutting blade teeth through the matching holes of the reinforcing connection plates, so that the positioning and fixing modes of the plurality of cutting blade teeth are simple and easy to operate, the cutting blade teeth can be quickly fixed at the corresponding positions, and then the cutting blade teeth are locked by respectively additionally arranging the screws in comparison with the fixing holes and the connecting holes, thereby facilitating the quick installation of the cutting blade teeth, and simultaneously facilitating the combined connection of the plurality of cutting blade teeth together for integral reinforcement connection.

Description

Gear hob convenient for replacing cutting teeth

Technical Field

The utility model relates to the field of gear hob auxiliary components, in particular to a gear hob with cutting teeth convenient to replace.

Background

The gear hob is a kind of processing and preparing gear by generating method, it can realize continuous cutting compared with slotting tool, thus make production efficiency higher, the existing middle and small modulus hob is generally made of high-speed steel integrally, can meet the requirement of general gear processing on cutter. However, in manufacturing of the hob with a large modulus, in order to reduce the cost, a structure of embedding a piece of high-speed steel blade is generally adopted as a substrate, but when the conventional cutting blade is combined with the substrate, positioning and bonding are generally carried out by adopting a mode of matching a positioning block and a positioning groove, and then the positioning block and the positioning groove are combined and connected together by adding a screw, so that the connection stability degree of the cutting blade and the substrate is general, and the stable and firm fixing use of the cutting blade can not be ensured for a long time.

Disclosure of utility model

The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a gear hob with convenient replacement of cutting teeth, wherein a reinforcing connection plate is added between bottoms of a plurality of cutting blades located in the same axial direction, and a plurality of cutting blades can be quickly assembled and fixed on a corresponding cutting tooth base body through the reinforcing connection plate by adding a locking member to a locking hole of the cutting blade through a mating hole of the reinforcing connection plate, and the positioning and fixing manner of the plurality of cutting blades is simple and easy to operate, as described in detail below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The gear hob convenient for replacing cutting teeth comprises a gear hob body, wherein the axis of the gear hob body is transversely arranged, cutting tooth matrixes are circumferentially and uniformly distributed on the periphery of the gear hob body, and cutting blade teeth for contacting with material cutting hobbing teeth are fixedly covered on the surfaces of the cutting tooth matrixes along the rolling cutting direction;

And a reinforcing combination assembly is connected between the bottom surfaces of the plurality of cutting blade teeth positioned in the same axial direction and used for combining the plurality of cutting blade teeth positioned in the same axial direction together for reinforcing.

Preferably, the cutting blades are high-speed steel blades or hard alloy blades.

Preferably, the outer surface of the cutting tooth matrix is provided with positioning grooves, the inner surface of the cutting blade is provided with positioning blocks in a protruding mode, the positioning blocks are in sliding fit with the corresponding positioning grooves, and the cutting blade is in fit contact with the surface of the cutting tooth matrix.

Preferably, the upper parts of the cutting blade and the cutting tooth matrix are respectively provided with a connecting hole for inserting and installing screws for fixing together.

Preferably, the lower parts of the cutting blade and the cutting tooth matrix are respectively provided with a plurality of connecting holes for inserting and installing screws for fixing together.

Preferably, the reinforcing assembly comprises a reinforcing connecting plate and locking pieces, wherein the reinforcing connecting plate spans across a plurality of the outer surfaces of the bottoms of the cutting blades in the same axial direction, locking holes are vertically formed in the bottoms of the cutting blades at positions below the bottom surface of the reinforcing connecting plate, matching holes are coaxially formed in the positions above the locking holes of the reinforcing connecting plate, the locking pieces are coaxially matched with the matching holes, and the locking pieces are coaxially and detachably connected with the corresponding locking holes.

Preferably, the locking pieces pass through the corresponding matching holes in a coaxial sliding fit manner.

Preferably, the locking pieces are screws with ends, the locking pieces are detachably connected with the locking holes in a threaded fit mode, and the ends of the locking pieces are tightly pressed on the top surface of the reinforcing connecting plate.

The gear hob with the convenient cutting teeth replaced is characterized in that the reinforcing connection plates are additionally arranged between the bottoms of the plurality of cutting blades in the same axial direction in the setting process of the gear hob body, the locking holes of the cutting blades are additionally arranged through the matching holes of the reinforcing connection plates, the plurality of cutting blades can be quickly combined and fixed on the corresponding cutting tooth matrix through the reinforcing connection plates, the positioning and fixing modes of the plurality of cutting blades are simple and easy to operate, the cutting blades are quickly fixed at the corresponding positions and then are matched with the fixing holes and the connecting holes, screws are additionally arranged for locking respectively, the quick installation of the cutting blades is facilitated, the plurality of cutting blades are simultaneously connected together in a combined mode for integral reinforcing connection, the reinforcing connection plates can be detached after the locking holes are separated, the reinforcing connection plates are simply and easily removed, the subsequent connection plates are conveniently removed, and the subsequent cutting blades are conveniently removed after the corresponding reinforcing connection plates are removed, and the subsequent cutting blades are conveniently replaced and damaged.

The beneficial effects are that: 1. according to the utility model, the reinforcing connection plates are additionally arranged between the bottoms of the plurality of cutting blade teeth positioned on the same axial direction, and the plurality of cutting blade teeth can be quickly combined and fixed on the corresponding cutting tooth base body through the reinforcing connection plates in a mode of additionally arranging the locking piece to the locking hole of the cutting blade teeth through the matching holes of the reinforcing connection plates, so that the positioning and fixing modes of the plurality of cutting blade teeth are simple and easy to operate, the cutting blade teeth can be quickly fixed at the corresponding positions, and then the cutting blade teeth are locked by respectively additionally arranging the screws in comparison with the fixing holes and the connecting holes, thereby facilitating the quick installation of the cutting blade teeth, and simultaneously facilitating the combined connection of the plurality of cutting blade teeth together for integral reinforcement connection;

2. The reinforcing connection plate can be detached only after the release locking piece is separated from the locking hole, the detachment mode of the reinforcing connection plate is simple and easy to operate, and then the correspondingly damaged cutting blade is detached respectively for replacement and reinstallation after the reinforcing connection plate is detached later, so that replacement and reinstallation after later abrasion and damage of the cutting blade are facilitated.

Drawings

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

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

FIG. 2 is a schematic overall isometric view of the present utility model;

FIG. 3 is a schematic overall isometric view of the present utility model;

FIG. 4 is a schematic cross-sectional view of FIG. 1 of the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 4A in accordance with the present utility model;

FIG. 6 is a front exterior view of FIG. 1 of the present utility model;

FIG. 7 is a left side exterior view of FIG. 1 of the present utility model;

fig. 8 is a top exterior view of fig. 1 of the present utility model.

The reference numerals are explained as follows:

1. Cutting tooth base; 2. a gear hob body; 3. a fixing hole; 4. cutting blade teeth; 5. a positioning groove; 6. a connection hole; 7. a positioning block; 8. reinforcing the combined assembly; 801. reinforcing the connecting plate; 802. a locking member; 803. a mating hole; 804. and a locking hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Referring to fig. 1-8, the utility model provides a gear hob with cutting teeth convenient to replace, which comprises a gear hob body 2, wherein the axis of the gear hob body 2 is transversely arranged, cutting tooth matrixes 1 are circumferentially and uniformly distributed on the periphery of the gear hob body 2, and the surfaces of the cutting tooth matrixes 1 along the rolling cutting direction are covered and fixed with cutting blade teeth 4 for contacting with material cutting hobbing. The reinforcing combination assembly 8 is connected between the bottom surfaces of the plurality of cutting blades 4 in the same axial direction and is used for combining the plurality of cutting blades 4 in the same axial direction for reinforcing, specifically, the reinforcing combination assembly 8 comprises a reinforcing connection plate 801 and locking pieces 802, the reinforcing connection plate 801 spans the outer surfaces of the bottoms of the plurality of cutting blades 4 in the same axial direction, locking holes 804 are vertically formed in the bottoms of the cutting blades 4 at positions below the bottom surfaces of the reinforcing connection plate 801, matching holes 803 are coaxially formed in the positions of the reinforcing connection plate 801 above the locking holes 804, locking pieces 802 are coaxially matched with the matching holes 803, and the locking pieces 802 are coaxially and detachably connected with the corresponding locking holes 804, and the reinforcing connection plate is convenient to detach by means of adding the locking pieces 802 to the locking holes 804 of the cutting blades 4 through the matching holes 803 of the reinforcing connection plate 801, the plurality of cutting blades 4 can be quickly combined and fixed on the corresponding cutting tooth base 1 through the reinforcing connection plate 801, and meanwhile, after the locking holes of the locking pieces 802 are only needed to be removed.

As the scheme of the present preferred, cutting blade 4 is high-speed steel blade or carbide blade, so set up, be convenient for cutting blade 4 has good stable use intensity and life-span, constant head tank 5 has all been seted up to the surface of cutting tooth base member 1, the internal surface of cutting blade 4 all protrudes and is provided with locating piece 7, locating piece 7 all with the constant head tank 5 sliding fit that corresponds, and cutting blade 4 and cutting tooth base member 1 surface laminating contact, so set up, be convenient for make cutting blade 4 and cutting tooth base member 1 accurate positioning contrast piece together through locating piece 7 and constant head tank 5 sliding fit's mode.

Simultaneously, the upper parts of the cutting blade 4 and the cutting tooth matrix 1 are provided with connecting holes 6 for inserting and installing screws for fixing together, so that the upper parts of the cutting blade 4 and the cutting tooth matrix 1 are tightly and firmly fixed and combined together in a mode of installing screws through the connecting holes 6, the lower parts of the cutting blade 4 and the cutting tooth matrix 1 are provided with a plurality of connecting holes 6 for inserting and installing screws for fixing together, and the lower parts of the cutting blade 4 and the cutting tooth matrix 1 are tightly and firmly fixed and combined together in a mode of installing screws through the fixing holes 3.

And retaining member 802 all passes corresponding mating holes 803 with coaxial sliding fit's mode, so set up, the retaining member 802 of being convenient for can be smooth quick pass mating holes 803 and locking hole 804 coaxial coupling, retaining member 802 is the screw that has the end, retaining member 802 and locking hole 804 all can dismantle through screw-thread fit's mode and be connected, and the end of retaining member 802 all compresses tightly at reinforcing connection board 801 top surface, so set up, be convenient for realize retaining member 802 and the quick split combination of corresponding locking hole 804 through the mode of screwing.

By adopting the structure, in the setting process of the gear hob body 2, the reinforcing connection plate 801 is additionally arranged between the bottoms of the plurality of cutting blades 4 positioned on the same axial direction, the reinforcing connection plate 801 is additionally arranged to the locking holes 804 of the cutting blades 4 through the matching holes 803 of the reinforcing connection plate 801, the plurality of cutting blades 4 can be quickly combined and fixed on the corresponding cutting tooth matrix 1 through the reinforcing connection plate 801, the positioning and fixing modes of the plurality of cutting blades 4 are simple and easy to operate, the cutting blades 4 are quickly fixed at the corresponding positions, the screws are additionally arranged and locked respectively by the contrast fixing holes 3 and the connecting holes 6, the quick installation of the cutting blades 4 is facilitated, the plurality of cutting blades 4 are simultaneously and integrally reinforced and connected, the reinforcing connection plate 801 can be conveniently removed only after the locking holes 804 are separated from the locking pieces 802, the dismounting mode of the reinforcing connection plate 801 is simple and easy to operate, the correspondingly damaged cutting blades 4 are respectively dismounted and replaced after the subsequent reinforcing connection plate 801 is convenient, and the replacement of the damaged cutting blades 4 is convenient for the subsequent dismounting and the damaged cutting blades are worn and the cutter blades are replaced.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a gear hobbing cutter of convenient change cutting tooth, includes gear hobbing cutter body (2), its characterized in that: the axis of the gear hob body (2) is arranged transversely, cutting tooth matrixes (1) are uniformly distributed on the periphery of the gear hob body (2) in the circumferential direction, and cutting cutter teeth (4) for contacting with material cutting hobbing are fixedly covered on the surfaces of the cutting tooth matrixes (1) in the rolling cutting direction;

A reinforcing combination assembly (8) is connected between the bottom surfaces of the plurality of cutting blade teeth (4) positioned in the same axial direction and used for combining the plurality of cutting blade teeth (4) positioned in the same axial direction together for reinforcing;

The reinforcing combination assembly (8) comprises a reinforcing connecting plate (801) and locking pieces (802), the reinforcing connecting plate (801) spans a plurality of the outer surfaces of the bottoms of the cutting blade teeth (4) in the same axial direction, locking holes (804) are vertically formed in the bottoms of the cutting blade teeth (4) at positions below the bottom surface of the reinforcing connecting plate (801), matching holes (803) are coaxially formed in the positions above the locking holes (804) in the reinforcing connecting plate (801), the locking pieces (802) are coaxially matched with the matching holes (803), and the locking pieces (802) are coaxially and detachably connected with the corresponding locking holes (804).

2. The gear hob with convenient replacement of cutting teeth according to claim 1, characterized in that: the cutting blade (4) is a high-speed steel blade or a hard alloy blade.

3. The gear hob with convenient replacement of cutting teeth according to claim 1, characterized in that: positioning grooves (5) are formed in the outer surface of the cutting tooth matrix (1), positioning blocks (7) are arranged on the inner surface of the cutting blade (4) in a protruding mode, the positioning blocks (7) are in sliding fit with the corresponding positioning grooves (5), and the cutting blade (4) is in surface fit contact with the surface of the cutting tooth matrix (1).

4. A gear hob with easy replacement of cutting teeth according to claim 3, characterized in that: the upper parts of the cutting blade (4) and the cutting tooth matrix (1) are respectively provided with a connecting hole (6) for inserting and installing screws to fix the cutting blade and the cutting tooth matrix together.

5. The gear hob with convenient replacement of cutting teeth according to claim 1, characterized in that: the lower parts of the cutting blade (4) and the cutting tooth matrix (1) are respectively provided with a plurality of connecting holes (6) for inserting and installing screws for fixing together.

6. A gear hob according to any one of the claims 1 to 5, characterized in, that: the locking pieces (802) pass through the corresponding matching holes (803) in a coaxial sliding fit mode.

7. The gear hob with convenient cutting teeth replacement according to claim 6, wherein: the locking pieces (802) are screws with ends, the locking pieces (802) and the locking holes (804) are detachably connected in a threaded fit mode, and the ends of the locking pieces (802) are tightly pressed on the top surface of the reinforcing connecting plate (801).