CN217393846U

CN217393846U - Combined double-edge ball cutter with spiral teeth

Info

Publication number: CN217393846U
Application number: CN202220978304.5U
Authority: CN
Inventors: 吕亚琪
Original assignee: Changzhou Meihang Machinery Co ltd
Current assignee: Changzhou Meihang Machinery Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-09-09
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a take combination formula twolip ball sword of helical tooth, including cutter body, cutter arbor and blade holder. The beneficial effects of the utility model are that: the cutter body is made of hard alloy materials, the hardness and the wear resistance of the cutter body are improved, the cutter body is prevented from collapsing, the cutter body is of a double-edged ball head spiral structure, spiral teeth are uniformly distributed on the surface of a side edge, thread machining is convenient to be carried out on an arc groove and the inner wall of a deep hole, two alternative chip containing grooves are formed in the surface of the cutter body and are spiral, chips can be discharged while the cutter body is rotationally cut, waste chips are prevented from being accumulated to cause abrasion to the cutter, the cutter rod and the rod barrel are connected in a detachable clamping mode through a limiting clamping groove, the limiting clamping block and a locking bolt are conveniently assembled or disassembled, two clamping faces are symmetrically arranged on the surface of the mounting seat, a communicated positioning groove is formed in the center of each clamping face, the mounting seat is convenient to position and clamp on a machine tool, and the mounting seat is firm in connection and difficult to loosen.

Description

Combined double-edge ball cutter with spiral teeth

Technical Field

The utility model relates to a ball sword specifically is a combination formula twolip ball sword of taking helical tooth belongs to machining cutter technical field.

Background

The ball cutter is also called a ball end milling cutter or an R cutter, and is a cutter with a cutting edge similar to a ball head (the cutting edge head is a spherical curved surface) and specially used for milling a curved surface or an arc groove on a milling machine, the ball cutter can be used for milling die steel, cast iron, carbon steel, alloy steel, tool steel and general iron materials, can be used for carrying out profiling milling on high-hardness materials with the hardness of 70HR, alloy steel, nickel-based alloy and titanium alloy, can also be used for machining a complex machining surface, and is mainly applied to industries such as die and turbine manufacturing, aircraft industry and the like.

The existing ball cutter has a simpler structure:

1) the traditional ball cutter can only process various curved surfaces and arc grooves on the surface of a workpiece, the thread processing cannot be carried out on the groove surface and the inner wall of a deep hole, the practicability is poor, and meanwhile, the cut waste cannot be smoothly discharged along with a rotating cutter, so that the processing efficiency is seriously influenced;

2) the tool bar is usually clamped directly on the machine tool, and although the tool bar can drive the tool to rotate to cut a workpiece, the cylindrical tool bar with a smooth surface is easy to loosen due to excessive cutting resistance during machining, and further the smoothness of a cutting surface is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a combination formula twolip ball sword of taking helical tooth in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a combined double-edged ball cutter with spiral teeth comprises

The cutter body is characterized by comprising a cutter body, wherein the top end of the cutter body, which can process various curved surfaces and arc grooves on the surface of a workpiece, is provided with an arc-shaped end blade, the surface of the cutter body is provided with spiral side blades, and the end blade and the side blades are in corresponding and continuous structures; and

the cutter bar is arranged at the tail end of the cutter body and is integrated with the cutter body; and

the cutter holder consists of a rod barrel fixedly clamped at the outer end of the cutter rod and a mounting seat welded at the center of the outer end face of the rod barrel and fixedly clamped on a machine tool, and can stably assemble and mount the cutter and the machine tool together.

As the utility model discloses further scheme again: the outer diameter of the cutter body is larger than that of the cutter rod, and the cutter body is made of hard alloy materials.

As a further aspect of the present invention: the cutter body is a double-edged ball head spiral structure, and spiral teeth are uniformly distributed on the surface of a side edge of the cutter body.

As a further aspect of the present invention: two alternative chip grooves are formed in the surface of the cutter body, and the chip grooves are spiral.

As the utility model discloses further scheme again: the utility model discloses a locking device, including a cutter arbor, a pole section of thick bamboo, the pole section of thick bamboo is provided with three spacing draw-in groove, the pole section of thick bamboo inner wall correspondence is provided with three spacing fixture block, pole section of thick bamboo surface evenly distributed has three screw thread counter bore, all be connected with the locking bolt in the screw thread counter bore, spacing fixture block and screw thread counter bore cross-section central authorities are located the coplanar and are in alternate position, cutter arbor and pole section of thick bamboo are detachable clamping connection through spacing draw-in groove, spacing fixture block and locking bolt.

As a further aspect of the present invention: two clamping surfaces are symmetrically arranged on the surface of the mounting seat, and a communicated positioning groove is formed in the center of each clamping surface.

The utility model has the advantages that:

1) the cutter body is made of hard alloy materials, so that the hardness and the wear resistance of the cutter body are improved, the cutter breakage phenomenon is avoided, the cutter body is of a double-blade ball head spiral structure, spiral teeth are uniformly distributed on the surface of a side blade, the thread machining is convenient to perform on an arc groove and the inner wall of a deep hole, two alternating chip containing grooves are formed in the surface of the cutter body, and the chip containing grooves are spiral and can discharge chips while the cutter body rotates for cutting, so that the phenomenon that the cutter is abraded due to accumulation of waste chips is avoided;

2) the cutter arbor and the pole section of thick bamboo are detachable clamping connection through spacing draw-in groove, spacing fixture block and locking bolt, conveniently assemble or dismantle, and mount pad surface symmetry is provided with two clamping faces, and clamping face central authorities set up the positioning groove who leads to, are convenient for fix a position the mount pad clamping on the lathe, firm in connection and difficult not hard up.

Drawings

FIG. 1 is a schematic view of the ball knife of the present invention;

FIG. 2 is a cut end view of the ball knife of the present invention;

FIG. 3 is a cross-sectional view of the connection structure of the cutter bar and the rod barrel of the present invention;

fig. 4 is a schematic view of the structure of the knife holder of the present invention.

In the figure: 1. the tool comprises a tool body, 2, an end blade, 3, a side blade, 4, a chip groove, 5, a tool bar, 6, a limiting clamping groove, 7, a rod barrel, 8, a limiting clamping block, 9, a threaded counter bore, 10, a locking bolt, 11, an installation seat, 12, a clamping surface, 13 and a positioning groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a combined double-edged ball cutter with helical teeth includes

The cutter comprises a cutter body 1, wherein the top end of the cutter body 1, which can process various curved surfaces and arc grooves on the surface of a workpiece, is provided with an arc-shaped end blade 2, the surface of the cutter body is distributed with spiral side blades 3, and the end blade 2 and the side blades 3 are of corresponding and continuous structures; and

the cutter bar 5 is arranged at the tail end of the cutter body 1 and is integrated with the cutter body 1; and

the tool apron consists of a rod barrel 7 fixedly clamped at the outer end of the tool bar 5 and a mounting seat 11 welded at the center of the outer end face of the rod barrel 7 and fixedly clamped on a machine tool, and can stably assemble and mount the tool and the machine tool together.

The embodiment of the utility model provides an in, 1 external diameter of cutter body is greater than 5 external diameters of cutter arbor, and cutter body 1 adopts carbide material to make, improves 1 hardness of cutter body and wearability, avoids taking place to collapse the sword phenomenon.

The embodiment of the utility model provides an in, cutter body 1 is twolip bulb helical structure, and 3 surface evenly distributed of side sword of cutter body 1 have helical tooth, is convenient for carry out screw thread processing at circular arc slot and deep hole inner wall.

The embodiment of the utility model provides an in, two alternative chip grooves 4 have been seted up on cutter body 1 surface, and chip groove 4 is the heliciform, can discharge the smear metal in cutter body 1 rotary cutting, avoids the sweeps to pile up and causes wearing and tearing to the cutter.

Example two

Referring to fig. 1 to 4, a combined double-edged ball cutter with helical teeth includes

the cutter bar 5 is arranged at the tail end of the cutter body 1 and is in an integrated structure with the cutter body 1; and

The embodiment of the utility model provides an in, three spacing draw-in groove 6 has evenly been seted up on 5 outer end surfaces of cutter arbor, the correspondence of 7 inner walls of a pole section of thick bamboo is provided with three

spacing fixture block

8, 7 surface evenly distributed of a pole section of thick bamboo have three screw thread counter bore 9, all be connected with locking bolt 10 in the screw thread counter bore 9,

spacing fixture block

8 and 9 cross-section central authorities of screw thread counter bore are located the coplanar and are in alternate position, cutter arbor 5 and a pole section of thick bamboo 7 are detachable clamping connection through spacing draw-in groove 6, spacing fixture block 8 and locking bolt 10, conveniently assemble or dismantle.

The embodiment of the utility model provides an in, 11 surface symmetry of mount pad is provided with two clamping

face

12, and 12 central authorities of clamping face set up the positioning groove 13 that leads to, is convenient for with 11 location clamping of mount pad on the lathe, firm in connection just is difficult not hard up.

The working principle is as follows: when the combined double-edged ball cutter with the spiral teeth is used, firstly, the cutter bar 5 is inserted into the rod barrel 7 through the corresponding limiting clamping groove 6 and the limiting clamping block 8, and then the locking bolt 10 passes through the thread counter bore 9 and is abutted against the inner surface of the cutter bar 5, so that the cutter and the cutter holder can be stably combined and installed together, then the installation seat 11 is positioned and clamped on a machine tool through the clamping surface 12 and the positioning groove 13, finally, the machine tool is opened, the surface of a workpiece can be processed into various curved surfaces and arc grooves through the end blade 2 and the side blade 3 on the cutter body 1, during the process, the spiral teeth on the surface of the side blade 3 can be used for processing the arc grooves and the inner wall of the deep hole, the practicability of the cutter is improved, the chip containing groove 4 can be used for discharging chips while the cutter body 1 rotates to cut, the abrasion of the cutter caused by the accumulation of the chips is avoided, and the used cutter bar 5 and the rod barrel 7 are fixed together through the three locking bolts 10, it not only connects stably, firmly, also makes things convenient for the later stage to dismantle and maintain the cutter moreover.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a take combination formula twolip ball sword of helical tooth which characterized in that: comprises that

The cutter body (1), can carry on the top of said cutter body (1) of various curved surfaces and circular arc slot processing on the surface of work piece and have arcuate end blades (2), and its surface distributes and has the heliciform side blade (3), said end blade (2) and said side blade (3) present and correspond to and continue the structure at the same time; and

the cutter bar (5) is arranged at the tail end of the cutter body (1) and is integrated with the cutter body (1); and

the cutter holder consists of a rod barrel (7) fixedly clamped and sleeved at the outer end of the cutter rod (5) and a mounting seat (11) welded at the center of the outer end face of the rod barrel (7) and fixedly clamped on a machine tool, and can stably assemble and mount the cutter and the machine tool together.

2. The combined double-edged ball cutter with helical teeth as set forth in claim 1, wherein: the outer diameter of the cutter body (1) is larger than that of the cutter rod (5), and the cutter body (1) is made of hard alloy materials.

3. The combination double-edged ball cutter with helical teeth as set forth in claim 1, wherein: the cutter body (1) is of a double-edge ball head spiral structure, and spiral teeth are uniformly distributed on the surface of the side edge (3) of the cutter body (1).

4. The combination double-edged ball cutter with helical teeth as set forth in claim 1, wherein: two alternative chip pockets (4) are formed in the surface of the cutter body (1), and the chip pockets (4) are spiral.

5. The combined double-edged ball cutter with helical teeth as set forth in claim 1, wherein: three spacing draw-in groove (6) have evenly been seted up on cutter arbor (5) outer end surface, a pole section of thick bamboo (7) inner wall correspondence is provided with three spacing fixture block (8), pole section of thick bamboo (7) surface evenly distributed has three screw thread counter bore (9), all be connected with locking bolt (10) in screw thread counter bore (9), spacing fixture block (8) and screw thread counter bore (9) cross-section central authorities are located the coplanar and are in alternate position, cutter arbor (5) and pole section of thick bamboo (7) are detachable clamping connection through spacing draw-in groove (6), spacing fixture block (8) and locking bolt (10).

6. The combined double-edged ball cutter with helical teeth as set forth in claim 1, wherein: two clamping surfaces (12) are symmetrically arranged on the surface of the mounting seat (11), and a communicated positioning groove (13) is formed in the center of each clamping surface (12).