CN211218728U

CN211218728U - Chip-breaking turning tool for rotary disc lug

Info

Publication number: CN211218728U
Application number: CN201922459967.7U
Authority: CN
Inventors: 王小龙; 邱辉; 陈进; 刘伟杰; 叶建凯; 伍盛; 席瑜乾; 王川
Original assignee: Wenzhou University
Current assignee: Wenzhou University
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-11
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a chip breaking lathe tool with a rotary disc lug, which comprises a lathe tool body, wherein a circular groove is arranged on the front tool face of the tool bit of the lathe tool body, a threaded hole is arranged at the center of the bottom of the groove, a rotating shaft matched with the threaded hole is arranged in the threaded hole, a rotary disc is arranged on the rotating shaft in a penetrating way, and the rotary disc is embedded in the groove; a plurality of mounting holes are formed in the outer surface of the turntable, and bumps with end parts protruding out of the surface of the turntable are arranged in the mounting holes; the outer end of the rotating shaft is also provided with a nut used for fixing the turntable and the groove. The utility model discloses can carry out the chip breaking in the lathe tool course of working, it is convenient to have the chip breaking, characteristics that the suitability is strong.

Description

Chip-breaking turning tool for rotary disc lug

Technical Field

The utility model relates to the technical field of machining, specifically be a but carousel lug chip breaking lathe tool.

Background

Cutting is the most basic machining method of machining. Cutting is progressing toward high speed, high precision and automation. However, the non-breaking of the chips seriously affects the normal operation of the cutting process, and is a great obstacle to the automation of the cutting process. Particularly, the following problems are present in the case of a ductile material for cutting work: (1) the cutting scraps are wound on the cutter, the workpiece and adjacent tools and equipment; (2) the cuttings splash, and the safety of an operator and an observer is difficult to ensure; (3) during fine machining, the machined surface of the workpiece is easily scratched by chips, and the quality of the machined surface is influenced; (4) the predetermined durability of the tool is reduced and premature wear and tear is likely; (5) the outflow of the chips hinders the injection of the cutting fluid. The chip breaking method commonly used at present mainly comprises the following steps: changing the tool geometry and adjusting the cutting load, using pre-grooving methods on the workpiece surface, using chip breakers, etc. Although the chip breaker is widely applied in a chip breaker cutting method, the chip breaker has fixed position and poor adaptability to cutting materials, the chip breakers with different geometric parameters need to be replaced for different materials, and the position of the chip breaker also needs to be adjusted according to requirements. This greatly limits the application of the chip breaker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but carousel lug chip breaking lathe tool. The utility model discloses can carry out the chip breaking at turning worker in-process, it is convenient to have the chip breaking, characteristics that the suitability is strong.

The technical scheme of the utility model: a chip breaking lathe tool with a rotary disc bump comprises a lathe tool body, wherein a circular groove is formed in the front tool face of a tool bit of the lathe tool body, a threaded hole is formed in the center of the bottom of the groove, a rotating shaft in threaded fit with the threaded hole is installed in the threaded hole, a rotary disc penetrates through the rotating shaft, and the rotary disc is embedded in the groove; a plurality of mounting holes are formed in the outer surface of the turntable, and bumps with end parts protruding out of the surface of the turntable are arranged in the mounting holes; the outer end of the rotating shaft is also provided with a nut used for fixing the turntable and the groove.

Foretell carousel lug can chip breaking lathe tool, the bottom of recess is equipped with the steel ball standing groove around the screw hole, and the steel ball standing groove is embedded to be equipped with a plurality of steel balls that evenly set up, and the steel ball contacts with the medial surface of carousel.

In the chip breaking lathe tool with the turntable bump, the middle part of the turntable is provided with a unthreaded hole; the rotary disc is connected with the rotating shaft through the unthreaded hole.

The lug comprises a fixed end embedded in the mounting hole, and the end of the fixed end is provided with a raised head for cutting.

In the turntable convex block chip breaking lathe tool, the convex head is in one or more of a conical shape and a truncated cone shape.

The rotary table lug chip breaking turning tool is characterized in that the fixed end is in threaded fit with the mounting hole.

But aforementioned carousel lug chip breaking lathe tool, the mounting hole set up around the annular array of carousel, and total 2 layers, 8 on every layer.

Compared with the prior art, the turning tool has the advantages that the groove is formed in the turning tool body, the rotary disc is installed in the groove through the rotating shaft and the threaded hole, the rotary disc is fixed through the nut, then the rotary disc is provided with the plurality of installation holes, and the mounting holes are embedded with the lugs; when the chips are discharged in the turning process, the bumps are impacted, the bending angle of the chips is increased, and when the bending angle is larger than the critical bending angle, the chips are broken, so that the chips can be broken off; the utility model can make the turnplate and the groove mutually loose or fixed through nut adjustment, and further select different lugs to break chips aiming at the turning of different materials, so that the chip breaking performance of the turning tool can be greatly improved, and the adaptability is more enhanced; the utility model has the advantages of strong applicability, simple structure and convenient operation; in addition, the utility model discloses a set up the steel ball standing groove in the bottom of recess, the steel ball is embedded in the steel ball standing groove, after unscrewing the epaxial nut of pivot, make the carousel can be through the convenient quick rotation of steel ball, further make the lug on the mounting hole of different positions on the carousel carry out chip breaking work; the utility model also has the advantages that the rotation of the turntable on the rotating shaft can be very convenient by arranging the form of light hole connection; the utility model establishes the raised heads with different shapes by arranging various raised heads, so that the lathe tool can be suitable for cutting chips in various turning processes; the utility model discloses still through with stiff end and mounting hole screw-thread fit for in carrying out the lathe work process, because long-term smear metal striking lug can lead to the wearing and tearing of lug, cause the chip breaking effect variation, consequently this mode through threaded connection is fixed with the carousel, is convenient for consequently change the lug.

Drawings

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

FIG. 2 is an exploded view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the structure of the rotating shaft;

FIG. 5 is a schematic view of a turntable configuration;

FIG. 6 is a schematic structural diagram of a first form of bump;

FIG. 7 is a structural diagram of a second bump form;

fig. 8 is a structural diagram of a second form of the bump.

Reference numerals

1. A turning tool body; 2. a groove; 3. a threaded hole; 4. a rotating shaft; 5. a turntable; 6. mounting holes; 7. a bump; 8. a nut; 9. a steel ball placing groove; 10. a steel ball; 11. a light hole; 12. a fixed end; 13. and (4) a convex head.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): a chip breaking lathe tool with a rotary disc 5 and a convex block 7 is shown in figures 1-5 and comprises a lathe tool body 1, wherein a circular groove 2 is formed in the front tool face of a tool bit of the lathe tool body 1, a threaded hole 3 is formed in the center of the bottom of the groove 2, a rotating shaft 4 in threaded fit with the threaded hole 3 is installed in the threaded hole 3, a rotary disc 5 penetrates through the rotating shaft 4, and the rotary disc 5 is embedded in the groove 2; a plurality of mounting holes 6 are formed in the outer surface of the turntable 5, the mounting holes 6 are arranged in an annular array around the turntable 5, and there are 2 layers and 8 mounting holes in each layer (of course, in other embodiments, the number of the mounting holes may be adjusted and arranged according to the actual situation, and is not limited to the annular array arrangement); a lug 7 with the end part protruding out of the surface of the rotary disc 5 is arranged in the mounting hole 6; the outer end of the rotating shaft 4 is also provided with a nut 8 for fixing the turntable 5 and the groove 2; the turning tool comprises a turning tool body 1, a groove 2 is formed in the turning tool body 1, a rotary disc 5 is installed in the groove 2 through a rotating shaft 4 and a threaded hole 3, the rotary disc 5 is fixed through a nut 8, then a plurality of installation holes 6 are formed in the rotary disc 5, and bumps 7 are embedded in the installation holes 6; when the chips impact the bump 7 in the chip discharging process in the turning process, the bending angle of the chips is increased, and when the bending angle is larger than the critical bending angle, the chips are broken, so that the chips can be broken off; the utility model has the advantages of strong applicability, simple structure and convenient operation;

furthermore, a steel ball 10 placing groove 9 surrounding the threaded hole 3 is formed in the bottom of the groove 2, a plurality of steel balls 10 are uniformly arranged in the steel ball 10 placing groove 9 in an embedded mode, and the steel balls 10 are in contact with the inner side face of the turntable 5; the middle part of the rotary table 5 is provided with a unthreaded hole 11; the rotating disc 5 is connected with the rotating shaft 4 through the unthreaded hole 11. The bottom of the groove 2 is provided with the steel ball 10 placing groove 9, the steel ball 10 is embedded in the steel ball 10 placing groove 9, after the nut 8 on the rotating shaft 4 is unscrewed, the rotating disc 5 can conveniently and rapidly rotate through the steel ball 10, and further, the lugs 7 on the mounting holes 6 at different positions on the rotating disc 5 are subjected to chip breaking work; the utility model discloses still through the form that sets up unthreaded hole 11 and connect, make carousel 5 rotation on pivot 4 also can convenience very.

Further, the lug 7 comprises a fixed end 12 embedded in the mounting hole 6, and the end of the fixed end 12 is provided with a raised head 13 for cutting chips; the raised head 13 is in one or more of conical shape and truncated cone shape; as shown in fig. 6, the nose 13 is conical in shape; as shown in fig. 7 and 8, the nose 13 is shaped like a truncated cone with different angles; due to the convex heads 13 with different shapes, the lathe tool is suitable for cutting in various turning processes;

further, the fixed end 12 is in threaded fit with the mounting hole 6, and the fixed end 12 is in threaded fit with the mounting hole 6, so that in the turning process, long-term chips impact the lug 7, the lug 7 is abraded, the chip breaking effect is poor, and the lug 7 is fixed with the rotary table 5 in a threaded connection mode, and therefore the lug 7 is convenient to replace.

Principle of operation

The turning tool comprises a turning tool body 1, a groove 2 is formed in the turning tool body 1, a rotary disc 5 is installed in the groove 2 through a rotating shaft 4 and a threaded hole 3, the rotary disc 5 is fixed through a nut 8, then a plurality of installation holes 6 are formed in the rotary disc 5, and bumps 7 are embedded in the installation holes 6; the convex block 7 is impacted in the chip discharging process in the turning process, the bending angle of the chips is increased, and when the bending angle is larger than the critical bending angle, the chips are broken, so that the chips can be broken off.

Claims

1. The utility model provides a but carousel lug chip breaking lathe tool, includes lathe tool body (1), its characterized in that: a circular groove (2) is formed in the front cutter face of the cutter head of the turning tool body (1), a threaded hole (3) is formed in the center of the bottom of the groove (2), a rotating shaft (4) in threaded fit with the threaded hole (3) is installed in the threaded hole (3), a rotating disc (5) penetrates through the rotating shaft (4), and the rotating disc (5) is embedded in the groove (2); a plurality of mounting holes (6) are formed in the outer surface of the rotary table (5), and convex blocks (7) with end parts protruding out of the surface of the rotary table (5) are arranged in the mounting holes (6); the outer end of the rotating shaft (4) is also provided with a nut (8) used for fixing the turntable (5) and the groove (2) mutually.

2. The rotary table lug chip breaking lathe tool according to claim 1, wherein: the bottom of recess (2) is equipped with steel ball standing groove (9) around screw hole (3), and steel ball standing groove (9) are embedded to be equipped with a plurality of steel balls (10) that evenly set up, and steel ball (10) contact with the medial surface of carousel (5).

3. The rotary table lug chip breaking lathe tool according to claim 1, wherein: the middle part of the rotary table (5) is provided with a unthreaded hole (11); the rotary disc (5) is connected with the rotating shaft (4) through the unthreaded hole (11).

4. The rotary table lug chip breaking lathe tool according to claim 1, wherein: the lug (7) comprises a fixed end (12) embedded in the mounting hole (6), and a raised head (13) for cutting is arranged at the end part of the fixed end (12).

5. The rotary table lug chip breaking lathe tool according to claim 4, wherein: the raised head (13) is in one or more of conical shape and truncated cone shape.

6. The rotary table lug chip breaking lathe tool according to claim 4, wherein: the fixed end (12) is in threaded fit with the mounting hole (6).

7. The rotary table lug chip breaking lathe tool according to claim 1, wherein: the mounting holes (6) are arranged around the annular array of the rotary disc (5) and have 2 layers and 8 mounting holes in each layer.