CN211840333U

CN211840333U - Efficient slotting tool for processing blind hole internal spline grooves

Info

Publication number: CN211840333U
Application number: CN202020394389.3U
Authority: CN
Inventors: 曹忠飞; 肖富林
Original assignee: Hangzhou Gejin Tools Co ltd
Current assignee: Hangzhou Gejin Tools Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-03
Anticipated expiration: 2030-03-25

Abstract

The utility model belongs to the machining field, concretely relates to a high-efficient slotting tool for processing blind hole internal spline groove, including the handle of a knife, the cutter body is stretched to fixed fit overhang on the handle of a knife, and one side of the cutter body that stretches the overhang sets up mounting groove and blade supporter from top to bottom, and the inboard of mounting groove has the V-arrangement locating surface, blade supporter upper end fixed fit blade, blade gomphosis in the mounting groove, and the blade is the rhombus carbide structure that corresponds with the V-arrangement locating surface shape of mounting groove. The utility model discloses can make work piece manufacturing procedure concentrate, efficiency promotes, and the geometric tolerances of product processing is accurate, and product stability is excellent, and the blade can twice use, and cost greatly reduced fully satisfies the cutter cost requirement of this type of product processing.

Description

Efficient slotting tool for processing blind hole internal spline grooves

Technical Field

The utility model belongs to the machining field, concretely relates to a high-efficient slotting tool for processing blind hole internal spline groove.

Background

At present, in the machining industry in China, in the aspect of machining a V-shaped groove in the depth direction (also called axial direction) of a blind hole, a tool for manufacturing a formed electrode on electric spark equipment or manually sharpening the shape of the formed electrode by using a high-speed steel material is usually adopted to machine the formed electrode on an slotting machine or a turning and milling machine; the disadvantages of the above processing methods are: the product has dispersed working procedures, low efficiency, high cost and poor quality consistency, and particularly, when the product is processed in large batch, the adopted high-speed steel blade grinding forming cutter carries out radial increasing and axial punching shear processing on a groove; on the other hand, due to the material characteristics of the high-speed steel cutter, the wear resistance is poor and the service life is short in the using process, and particularly, the workpiece quality and the production efficiency are seriously influenced during large-allowance processing; in addition, the cutter sharpening and the cutter setting are required to be repeated continuously, the machine tool downtime is greatly prolonged, the equipment operation rate is reduced, and the equipment investment return period of enterprises is prolonged invisibly. Although foreign industry also has this kind of cutter of dress blade, carries out the blade and can dismantle the change, but the price is high, the purchase cycle is long, and key economic type is short of, only can the single angle use, and the high-speed steel of blade material is many, and the life-span is still not enough, and the price/performance ratio is serious to be unsuitable to be applied domestic machining enterprise, consequently develops a high price/performance ratio's slotting tool in blind hole internal spline groove, is the urgent demand of solving current this kind of parts machining enterprise.

SUMMERY OF THE UTILITY MODEL

In order to compensate the deficiency of the prior art, the utility model provides a high-efficient slotting tool technical scheme for processing blind hole internal spline groove.

A high-efficient slotting tool for processing blind hole internal spline groove, its characterized in that includes the handle of a knife, fixed fit overhanging cutter body on the handle of a knife, set up mounting groove and blade supporter from top to bottom on one side of overhanging cutter body, the inboard of mounting groove has the V-arrangement locating surface, the cooperation blade can be dismantled to blade supporter upper end, the blade gomphosis is in the mounting groove, and the blade is the rhombus carbide structure that corresponds with the V-arrangement locating surface shape of mounting groove.

The efficient slotting tool for processing the spline grooves in the blind holes is characterized in that the V-shaped positioning surface of the overhanging cutter body comprises a first left positioning surface and a first right positioning surface.

A high-efficient slotting tool for processing blind hole internal spline groove, the blade of its characterized in that includes all around with the first left locating surface and the first right locating surface of the overhanging cutter body correspond the second left locating surface and the second right locating surface of laminating and be used for the left blade back knife face and the right blade back knife face of cutting.

The efficient slotting tool for processing the spline grooves in the blind holes is characterized in that a second left positioning surface and a second right positioning surface of the blade are symmetrical; the left cutting edge rear cutter face and the right cutting edge rear cutter face of the blade are symmetrical.

A high-efficient slotting tool for processing blind hole internal spline groove, the left locating surface of second and the right locating surface of second and the left blade back knife face and the right blade back knife face of blade of its characterized in that blade are 180 upset symmetries.

The efficient slotting tool for processing the blind hole internal spline grooves is characterized in that a blade is fixedly matched with a cutting edge support body through a set screw, wherein the maximum end of the screw is sunk into a hole of the blade.

The efficient slotting tool for processing the spline grooves in the blind holes is characterized in that a double-sided countersunk hole for mounting a screw is formed in a blade.

The efficient slotting tool for processing the spline grooves in the blind holes is characterized in that the shape of the cutting edge support body corresponds to that of the blade.

The efficient slotting tool for processing the spline grooves in the blind holes is characterized in that the cutting edge supporting body and the overhanging cutter body are of an integrated structure.

Compared with the prior art, the utility model discloses can make work piece manufacturing procedure concentrate, efficiency promotes, and the geometric tolerances of product processing is accurate, and product stability is excellent, and the blade can twice use, and cost greatly reduced fully satisfies the cutter cost requirement of this type of product processing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in the figure, a high-efficient slotting tool for processing blind hole internal spline groove, including handle of a knife 1, fixed fit overhanging cutter body 20 on the handle of a knife 1, one side of overhanging cutter body 20 sets up mounting groove and blade supporter 23 from top to bottom, and the inboard of mounting groove has the V-arrangement locating surface, and cooperation blade 30 can be dismantled to blade supporter 23 upper end, and blade 30 gomphosis is in the mounting groove, and blade 30 is the rhombus carbide structure that corresponds with the V-arrangement locating surface shape of mounting groove. Wherein, the edge support 23 effectively ensures the strength of the blade 30 during processing, and the blade 30 is mounted on the overhanging cutter body 20 and inclines forward by a certain cutting angle

As the utility model discloses an optimize structure: the V-shaped positioning surface of overhanging tool body 20 includes a first left positioning surface 22 and a first right positioning surface 21.

As the utility model discloses an optimize structure: the periphery of the insert 30 includes a second left positioning surface 31 and a second right positioning surface 32 correspondingly attached to the first left positioning surface 22 and the first right positioning surface 21 of the overhanging cutter body 20, and a left cutting edge flank surface 33 and a right cutting edge flank surface 34 for cutting.

As the utility model discloses an optimize structure: the second left positioning surface 31 and the second right positioning surface 32 of the blade 30 are symmetrical; the left edge flank 33 and the right edge flank 34 of the insert 30 are symmetrical.

As the utility model discloses an optimize structure: the second left positioning surface 31 and the second right positioning surface 32 of the insert 30 are in 180-degree turn symmetry with the left edge flank 33 and the right edge flank 34 of the insert 30.

As the utility model discloses an optimize structure: the blade 30 and the cutting edge support 23 are fixedly matched through the arranged screw 40, wherein the maximum end of the screw 40 is sunk into the hole of the blade 30 and is lower than the rake face of the blade 30, so that the blind hole can be effectively processed, and the blind hole can also be used for processing a stepped hole and a through hole.

As the utility model discloses an optimize structure: the insert 30 is provided with a double-sided countersunk hole for mounting a screw 40.

As the utility model discloses an optimize structure: the shape of the edge supporter 23 corresponds to the shape of the blade 30.

As the utility model discloses an optimize structure: the blade support 23 and the overhanging cutter body 20 are of an integral structure.

The utility model discloses mainly solve in the processing of blind hole internal spline groove: the method has the advantages of dispersed working procedures, low efficiency, high cost, poor quality consistency, troublesome blade grinding of high-speed steel cutters, short service life, fussy tool setting and the like. The utility model adopts the blade 30 with the hard alloy structure, the appearance is ground out at one time, the double-sided countersunk hole of the blade 30 is pressed by the screw 40, the second left positioning surface 31 and the second right positioning surface 32 of the blade 30 and the left cutting edge rear knife surface 33 and the right cutting edge rear knife surface 34 of the blade 30 are mutually in turning symmetry, because of mutual transformation, the blade 30 is fully utilized in two diagonal angles, the cost is reduced, the cost performance of the blade is improved, the blade positioning surface adopts dovetail contact, when the screw 40 presses the blade 30, the eccentric force of the screw 40 causes the blade positioning surface to lean against the overhanging cutter body 30, because the blade edge and the positioning surface are in turning symmetry, namely, the processing groove is V-shaped, the positioning surface of the blade 30 is also V-shaped, the force of triangular support is formed when the blade is stressed, the dovetail contact is difficult, and the positioning surface of the blade 30 utilizes the rear knife surface of the blade 30 to be in reverse dovetail surface, when the blade is extruded in the axial direction, it is more restrained to overhanging cutter body 20, the effectual stability when assisting the contact of screw 40 countersunk head conical surface, the micro-vibration and the displacement of blade 30 with overhanging cutter body 20 when processing the product have been weakened, the cutter life-span has been prolonged, and blade 30 surface adopts conventional chemical coating, it is higher to bear the linear velocity of cutting, high temperature resistant cutting wear ability is stronger, the life-span improves more, make it can reach the many times of high-speed steel cutter more, blade 30 adopts screw 40 to screw up when dismantling and loosen, it is simple to change, can use automatic tool changing type lathe, make work piece manufacturing procedure concentrate, the efficiency promotes, the form and position tolerance of product processing is accurate, product stability is excellent, blade 30 can twice use, cost greatly reduced, fully satisfy the cutter cost requirement of this type of product processing.

The utility model discloses be particularly useful for pipeline, automobile parts and general spare part trade blind hole internal spline groove processing, this blind hole internal spline groove is the V type form, and the cell wall is parallel with the hole center, and the notch is wide, and the groove bottom is wide and the groove depth can be customized, can realize processing through different blades, also is applicable to the through-hole, the interior V type groove in the shoulder hole, plum blossom groove, the processing in multilateral groove

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a high-efficient slotting tool for processing blind hole internal spline groove, its characterized in that includes handle of a knife (1), fixed fit overhanging cutter body (20) is gone up in handle of a knife (1), set up mounting groove and blade supporter (23) from top to bottom in one side of overhanging cutter body (20), the inboard of mounting groove has V-arrangement locating surface, cooperation blade (30) can be dismantled to blade supporter (23) upper end, blade (30) gomphosis is in the mounting groove, and blade (30) are the rhombus carbide structure that corresponds with the V-arrangement locating surface shape of mounting groove.

2. The high-efficiency slotting tool for machining blind hole internal spline grooves according to claim 1, wherein the V-shaped positioning surfaces of the overhanging tool body (20) comprise a first left positioning surface (22) and a first right positioning surface (21).

3. The high-efficiency slotting tool for processing the spline grooves in the blind holes according to claim 2, wherein the periphery of the blade (30) comprises a second left positioning surface (31) and a second right positioning surface (32) which are correspondingly attached to a first left positioning surface (22) and a first right positioning surface (21) of the overhanging tool body (20), and a left cutting edge rear tool face (33) and a right cutting edge rear tool face (34) for cutting.

4. A high-efficiency slotting tool for machining blind hole internal spline grooves according to claim 3, wherein the second left positioning surface (31) and the second right positioning surface (32) of the blade (30) are symmetrical; the left edge flank surface (33) and the right edge flank surface (34) of the blade (30) are symmetrical.

5. The high-efficiency slotting tool for processing the spline grooves in the blind holes according to claim 3 or 4, characterized in that the second left positioning surface (31) and the second right positioning surface (32) of the insert (30) are in 180-degree turnover symmetry with the left edge flank surface (33) and the right edge flank surface (34) of the insert (30).

6. A high-efficiency slotting tool for processing spline grooves in blind holes according to claim 1, wherein the blade (30) is fixedly matched with the cutting edge support body (23) through an arranged screw (40), and the maximum end of the screw (40) is sunk into the hole of the blade (30).

7. The high-efficiency slotting tool for processing the spline grooves in the blind holes as claimed in claim 6, wherein the blade (30) is provided with a double-faced countersunk hole for mounting a screw (40).

8. A high-efficiency slotting tool for machining spline grooves in blind holes according to claim 1, wherein the shape of the cutting edge support body (23) corresponds to that of the blade (30).

9. The high-efficiency slotting tool for processing the spline grooves in the blind holes as claimed in claim 1, wherein the cutting edge support body (23) and the overhanging tool body (20) are of an integral structure.