Combined turning tool capable of adjusting cutting angle

Abstract

The utility model relates to the field of metal processing, and discloses a combined turning tool capable of adjusting a cutting angle for metal processing, which is characterized in that a worm wheel shaft is arranged in a tool bar main body, the worm wheel shaft is connected with a front end and a rear end, a tool bit is arranged at the front end, and a worm and gear mechanism is arranged at the rear end; the cutter head rotates through an axis rotating bolt, a connecting hole is formed in one side of the cutter head, the cutter head is fixedly connected with the cutter holder, the indexable blade is installed on the cutter holder and connected with the fastening screw, the fastening screw makes contact with the pressing plate, a first threaded hole is formed in the lower surface of the cutter head, and a second threaded hole is formed in the lower surface of the cutter head. And the fastening bolts are connected with the first threaded holes to fix the cutter heads and the cutter head. According to the utility model, the cutting edge inclination angle of the indexable blade can be effectively changed through the worm and gear mechanism, the cutting edge angle of the indexable blade can be effectively changed through the rotation and fixation of the cutter head, the two cutter holders are arranged on the cutter head, the processing efficiency is improved, and through the design, the effect of conveniently adjusting the angle is achieved, and different cutting angle requirements can be met; the method is applied to machining field.

Description

Technical Field

[0001] The utility model relates to a combined turning tool with adjustable cutting angle, belongs to the technical field of tool design, and particularly relates to a combined turning tool with adjustable cutting angle for metal processing. Background Art

[0002] At present, a turning tool geometry can only be installed with one indexable insert, whose main deflection angle and edge inclination angle are fixed, so the cutting angle is also fixed. In actual turning, according to the material being processed and the turning conditions, a specific cutting angle is required to improve the turning efficiency and ensure the turning quality. That is, different tool bars and their matching indexable inserts are used to meet the turning requirements. Therefore, it is necessary to adjust the main deflection angle and edge inclination angle of the indexable insert to achieve a turning tool with an adjustable cutting angle. Utility Model Content

[0003] The utility model aims to provide a combined turning tool with adjustable cutting angle, which can meet the requirements of different cutting angles after a type of indexable blade is installed on a cutter disc.

[0004] In order to solve the above problems, the utility model adopts the following technical solutions:

[0005] The utility model relates to a combined turning tool with adjustable cutting angle, characterized in that it comprises a tool bar body, a worm, a worm gear shaft, a worm wheel, a cutter disc, a cutter head, a cutter seat, an indexable blade, a clamping plate, a clamping bolt, a fastening screw, a rotating bolt, a fastening bolt, a protrusion, an annular recess, a first threaded hole, a second threaded hole, a positioning boss, an arc waist hole, and a groove. A worm gear shaft is provided inside the tool body, the worm gear shaft connects the front and rear end mechanisms, the front end is the cutter head, and the rear end is connected to the worm gear mechanism, the worm gear is driven to rotate by rotating the worm, the worm gear drives the worm gear shaft to rotate, the worm gear shaft is connected to the cutter head, and the cutter head is connected to the cutter disc, the outermost side of the cutter disc has two grooves, the lower end of the cutter seat has a protrusion, the groove is fixedly connected to the protrusion of the cutter seat, the upper end of the cutter seat is provided with an indexable blade, the upper end of the indexable blade is connected with a clamping plate, and the other end of the clamping plate is connected to the cutter seat.

[0006] Furthermore: the worm gear shaft will drive the cutter head to rotate, so that the cutter head at the front end of the cutter body can rotate around the worm gear axis.

[0007] Further: a second threaded hole is provided at the center of the cutter head, and a rotating bolt is threadedly connected to the inner wall of the second threaded hole.

[0008] Further: a first threaded hole is provided at the bottom of the cutter head, and a fastening bolt is threadedly connected to the inner wall of the first threaded hole.

[0009] Further: the cutter disc has an arc-shaped waist hole, and the fastening bolt is connected to the cutter head through the arc-shaped waist hole.

[0010] Further: the cutter disc has a positioning boss, and the positioning boss is slidably connected to the annular groove of the cutter head.

[0011] Furthermore: the lower end of the tool holder is connected to the groove of the tool disc through a protrusion, and the upper end of the tool holder is connected to a clamping plate through a clamping bolt, and the clamping plate clamps the indexable blade.

[0012] Furthermore: the indexable insert is connected to the insert seat via a fastening screw.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] 1. The utility model relates to a combined turning tool with adjustable cutting angle. The tool head at the front end of the entire tool head body is adjusted by using a tool bar body, a worm wheel, a worm, and a worm wheel shaft in combination, so that the indexable blade can meet the requirements of different cutting angles. The worm wheel and worm combination has a self-locking function, which keeps the entire cutter disc from being affected by the reaction force on the processed parts during the processing, thereby preventing the angle of the indexable blade from changing. At the same time, the worm wheel and worm mechanism has a large transmission ratio, which can achieve fine adjustment of the angle of the entire tool head and change the blade inclination angle of the indexable blade, and has great practical value.

[0015] 2. In the utility model, the indexable insert is installed in the tool holder, and the cutter disc can hold two tool holders. Therefore, the main deflection angle of the indexable insert can be adjusted as the cutter disc rotates, and two tool holders are installed, which saves the time of tool changing and improves the turning efficiency to meet the requirements of different cutting angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the rear structure of the utility model;

[0018] Figure 3 A schematic diagram of the cutter head structure of the combined turning tool with adjustable cutting angle proposed by the utility model;

[0019] Figure 4 A schematic diagram of a cutter disc of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the knife holder of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the tool head of the combined turning tool with adjustable cutting angle proposed by the utility model; in the figure:

[0022] 1-tool bar body, 2-worm, 3-worm gear shaft, 4-worm gear, 5-tool head, 6-tool disc, 7-tool seat, 8-indexable blade, 9-clamping plate, 10-clamping bolt, 11-fastening screw, 12-rotating bolt, 13-fastening bolt, 14-bump, 15-annular groove, 16-first threaded hole, 17-second threaded hole, 18-positioning boss, 19-arc waist hole, 20-groove DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 As shown, a combined turning tool with adjustable cutting angle is provided, wherein a worm gear shaft 3 is provided inside the tool rod body 1, connecting the front and rear end mechanisms, the front end is a tool device mechanism, and the rear end is a worm gear mechanism, by rotating the worm gear 2, the worm gear 4 is driven to rotate, and the worm gear 4 transmits power to the worm gear shaft 3, the worm gear shaft 3 is connected to the cutter head 5, and the cutter head 5 is connected to the cutter disc 6, the outermost side of the cutter disc 6 has two machined grooves 20, the grooves 20 are fixedly connected to the protrusions 14 of the tool seat 7, the lower end of the tool seat 7 is fixedly connected to the cutter disc 6 through the grooves 20, and an indexable blade 8 is fixedly placed on the upper end of the tool seat 7, the upper end of the indexable blade 8 is connected to a clamping plate 9, and the other end of the clamping plate 9 is connected to the tool seat 7. Through this design, the purpose of adjusting the cutting angle is achieved. There is a cutter disc 6 in the front end cutter head 5, and a positioning boss 18 is provided on the outermost edge of the cutter disc 6. The positioning boss 18 is connected to the surface of the annular recessed groove 15 of the cutter seat 7. The fastening bolt 13 is fixedly connected to the first threaded hole 16 through the arc waist hole 19 on the cutter disc 6, thereby achieving the function of pressing the cutter disc 6 and the cutter head 5. The cutter seat 7 is connected to the outer side of the rotating disc, and the indexable blade 8 is placed on the cutter seat 7 by the fastening screw 11. The outer side is pressed by the clamping plate 9, and the clamping plate 9 is fixed to the upper end of the cutter seat 7 by the clamping bolt 10.

[0025] The working principle of a combined turning tool with adjustable cutting angle involved in the utility model is as follows: in the utility model, the worm 2 at the rear end of the tool rod body 1 adjusts the working angle of the front end of the entire turning tool when in use, the worm 2 drives the worm wheel 4 to rotate, the worm wheel 4 transmits power to the worm wheel shaft 3, the front end of the worm wheel shaft 3 is connected to the cutter head 5, thereby driving the entire cutter head 5 to rotate, the worm gear device has a self-locking mechanism, and can maintain stability when the indexable blade 8 is impacted by external force, the upper end of the cutter head 5 is provided with a cutter disc 6, the rotating bolt 12 is threadedly connected to the second threaded hole 17, and the cutter disc 6 can be rotated on the cutter head 5 around the rotating bolt 12 The cutter head 5 is rotated and kept relatively stable by the annular groove 15 and the positioning boss 18. When it rotates to a certain position, the fastening screw 13 is threadedly connected with the first threaded hole 16 of the cutter head 5 through the arc waist hole 19 to keep the cutter disc 6 fixed. The cutter seat 7 is connected to the groove 20 of the cutter disc 6 with the boss 14 to keep the position of the cutter seat 7 stable. The indexable blade 8 is installed on the cutter seat 7 and is clamped by the clamping plate 9. The clamping plate 9 is fixed to the cutter seat 7 with the clamping bolt 10. Two indexable blades 8 can be placed on the cutter disc 6. The main deflection angle of the indexable blade 8 can be adjusted to meet different cutting angle requirements.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A combined turning tool with adjustable cutting angle, characterized in that: The combined turning tool with adjustable cutting angle comprises a worm gear shaft (3), a tool rod body (1), a cutter head (5), a cutter disc (6), a fastening bolt (13), an arc waist hole (19), a first threaded hole (16), a second threaded hole (17), and a tool seat (7); the worm gear shaft (3) is connected to a worm wheel (4), the worm wheel (4) matches the surface of a worm (2), a cutter head (5) is provided at the front end of the tool rod body (1), the worm gear shaft (3) is connected to the cutter head (5) and the worm wheel (4) through a through hole, the inner side of the cutter head is a cutter disc (6), and the middle of the cutter head (5) is provided with a A second threaded hole (17) is provided, the inner wall of the second threaded hole (17) is threadedly connected to a rotating bolt (12), the upper side of the fastening bolt (13) is connected to a cutter disc (6), a first threaded hole (16) is provided on the lower surface of the cutter head (5), the fastening bolt (13) is connected to the first threaded hole (16) through an arc waist-shaped hole (19), a groove (20) is provided on the outer side of the cutter disc (6), the cutter disc (6) is connected to a cutter seat (7), an indexable blade (8) is installed on the cutter seat (7), and a clamping plate (9) is connected to the upper side of the indexable blade (8).

2. The combined turning tool with adjustable cutting angle according to claim 1, characterized in that: The outer side of the blade disc (6) has two grooves (20), and the grooves (20) are fixedly connected to the protrusions (14) on the blade seat (7).

3. The combined turning tool with adjustable cutting angle according to claim 1, characterized in that: An annular recessed groove (15) is provided on the inner side of the cutter head (5), and the annular recessed groove (15) is connected to the surface of the positioning boss (18) of the cutter disc (6).

4. The combined turning tool with adjustable cutting angle according to claim 1, characterized in that: The worm wheel (4) is connected to the surface of the worm (2), the worm (2) drives the worm wheel (4) to rotate and can be self-locking, the worm wheel (4) drives the worm wheel shaft (3) to rotate, and the worm wheel shaft (3) drives the cutter head (5) to rotate.

5. The combined turning tool with adjustable cutting angle according to claim 1, characterized in that: The cutter head (5) has a circular arc waist-shaped hole (19), and the fastening bolt (13) is connected to the first threaded hole (16) through the circular arc waist-shaped hole (19).

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