Three-edge chip breaker with high hardness

Abstract

The utility model belongs to the technical field of chip breaking cutters, particularly relates to a high-hardness three-blade chip breaking cutter, and provides the following scheme aiming at the problems that when the existing chip breaking cutter is in use, the chip breaking cutter is of an integrated structure, the chip breaking cutter cannot be disassembled and replaced, the whole chip breaking cutter needs to be replaced, and the practicability is poorer, the high-hardness three-blade chip breaking cutter comprises a chip breaking cutter head, a chip breaking mechanism used for machining a workpiece is arranged on the outer wall of the chip breaking tool bit. The chip breaking mechanism comprises three chip grooves, the three chip grooves are formed in the outer surface of the chip breaking tool bit, and three sets of cutting grooves are formed in the outer wall of the chip breaking tool bit at equal intervals. According to the chip breaking tool, the fixing screw is screwed off, the cutting tool can be unfixed, in this way, the cutting tool can be detached and replaced, the chip breaking tool bit can be detached under the cooperation of the installation hole, then the tool bit part of the chip breaking tool is independently replaced, the whole chip breaking tool does not need to be replaced, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a three-blade chip breaker, in particular to a three-blade chip breaker with high hardness, and belongs to the technical field of chip breakers. BACKGROUND

[0002] The three-blade chip breaker is a kind of cutter widely used in cutting processing, which is characterized by having three blades and being capable of effectively breaking chips.The three-blade chip breaker is usually composed of a rotating shaft, a connecting head and a blade main body.The blade main body includes three blades, one end of which is connected to the connecting head, and the connecting head is arranged at one end of the rotating shaft.The inner sides of the three blades are cyclically spliced together, and the outer sides are cyclically arranged at equal intervals, which helps to improve the stability and efficiency of cutting.

[0003] In the prior art, as disclosed in the three-blade chip breaker disclosed in the announcement No.CN216914209U, it includes a rotating shaft, a connecting head and a blade main body;the connecting head is arranged at one end of the rotating shaft;the blade main body includes three blades;one end of the three blades is arranged at one end of the connecting head;the inner sides of the three blades are cyclically spliced together, and the outer sides of the three blades are cyclically arranged at equal intervals;the outer sides of the blades are provided with chip grooves, blade backs and blade pieces.It cuts only a part of the product through one blade, reduces the cutting resistance, then the subsequent blades gradually cut the remaining part to be cut, improves the stability and safety of product processing, and improves the processing quality of the product.

[0004] In the above technical solution, one blade cuts only a part of the product first, reduces the cutting resistance, improves the stability and safety of product processing, and improves the processing quality of the product, but when in use, since the chip breaker is of an integral structure, it cannot be disassembled and replaced, and the whole needs to be replaced, which is poor in practicability, therefore, a three-blade chip breaker with high hardness is provided to overcome the above defects. SUMMARY

[0005] The utility model provides a three-blade chip breaker with high hardness to solve the above problems in use, since the chip breaker is of an integral structure, it cannot be disassembled and replaced, and the whole needs to be replaced, which is poor in practicability.

[0006] The utility model realizes the above-mentioned purposes through the following technical solutions: a three-blade chip breaker with high hardness, including chip breaker head, the outer wall of the chip breaker head is provided with the chip breaking mechanism for workpiece processing;

[0007] The chip breaking mechanism comprises chip grooves, three of which are arranged on the outer surface of the chip breaking cutter head, three sets of cutting grooves are equidistantly arranged on the outer wall of the chip breaking cutter head, a cutting tool is arranged on the upper surface of the chip breaking cutter head, and the upper end of the cutting tool is provided with three fixing screws which are threadedly connected with the chip breaking cutter head.

[0008] As a further scheme of the utility model: the lower end of the chip breaking cutter head is fixedly connected with a connecting piece, and the lower end of the connecting piece is connected with an adjusting rod.

[0009] As a further scheme of the utility model: the inside of the adjusting rod is provided with a mounting hole, and the outer surface of the adjusting rod is provided with a fixing bolt.

[0010] As a further scheme of the utility model: the lower end of the chip breaking cutter head is fixedly connected with a connecting piece, and the lower end of the connecting piece is connected with an adjusting rod.

[0011] As a further scheme of the utility model: the lower end of the chip breaking cutter head is fixedly connected with a connecting piece, and the lower end of the connecting piece is connected with an adjusting rod.

[0012] As a further scheme of the utility model: the inside of the adjusting rod is provided with a mounting hole, and the outer surface of the adjusting rod is provided with a fixing bolt.

[0013] As a further scheme of the utility model: the lower end of the chip breaking cutter head is fixedly connected with a connecting piece, and the lower end of the connecting piece is connected with an adjusting rod.

[0014] The utility model discloses the beneficial effect is: through the fixed screw is screwed down, can remove the fixing of cutting tool, and this can dismantle and replace cutting tool, under the cooperation of mounting hole, can dismantle the chip breaking cutter head, and then the cutter head part of the chip breaking cutter is replaced individually, and the whole chip breaking cutter need not be replaced, improve practicality, through the loosening of the limiting bolt on the fixed tool handle, remove the fixing of adjusting rod, under the cooperation of connecting hole, can pull the movement of adjusting rod, and then the distance between the chip breaking cutter head and fixed tool handle is adjusted, realize the whole length adjustment of the chip breaking cutter, and the processing of different workpieces is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the three-dimensional structure schematic diagram of the utility model adjusting rod;

[0017] Figure 3The sectional structure diagram of the fixed tool shank is shown in the figure.

[0018] Figure 4 The utility model discloses Figure 1 The enlarged view of A in the middle.

[0019] In the figure: 1, chip breaking tool head; 2, chip removal groove; 21, cutting groove; 22, cutting tool; 23, fixing screw; 3, connecting piece; 4, mounting hole; 5, fixing bolt; 6, fixing hole; 7, adjusting rod; 8, fixed tool shank; 81, connecting hole; 82, limiting block; 83, limiting groove; 84, limiting bolt; 9, connecting seat. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one

[0021] As Figures 1 to 4 shown, a three-blade chip breaking tool with high hardness comprises a chip breaking tool head 1, and the outer wall of the chip breaking tool head 1 is provided with a chip breaking mechanism for machining workpieces.

[0022] The chip breaking mechanism comprises three chip grooves 2, each of which starts from the outer surface of the chip breaking tool head 1, the outer wall of the chip breaking tool head 1 is provided with three sets of cutting grooves 21, the upper end of the cutting tool 22 is provided with three fixed screws 23 which are screwed with the chip breaking tool head 1, the lower end of the chip breaking tool head 1 is fixedly connected with a connecting piece 3, the lower end of the connecting piece 3 is connected with an adjusting rod 7, the inner part of the adjusting rod 7 is provided with a mounting hole 4, the outer surface of the adjusting rod 7 is provided with a fixed bolt 5, the lower end of the fixed bolt 5 is screwed with a fixed hole 6 provided on the connecting piece 3, the lower end of the adjusting rod 7 is connected with an adjusting mechanism for adjusting the chip breaking tool, the driving device drives the fixed tool handle 8 to rotate, and then drives the chip breaking tool head 1 to rotate, so that the cutting tool 22 on the chip breaking tool head 1 processes the workpiece, and the cutting groove 21 can further process the workpiece, the waste chips generated during processing can be discharged to the outside through the chip groove 2, the fixed screw 23 is unscrewed, the fixing of the cutting tool 22 is released, the cutting tool 22 can be disassembled and replaced, which is convenient to use, and the fixed bolt 5 on the adjusting rod 7 is unscrewed, the fixed bolt 5 and the fixed hole 6 on the connecting piece 3 are separated, the chip breaking tool head 1 can be disassembled under the cooperation of the mounting hole 4, and then the tool head part of the chip breaking tool is replaced separately, so that the chip breaking tool does not need to be replaced as a whole, and the practicability is improved. Embodiment two

[0023] In addition to comprising all the technical features in embodiment one, the embodiment comprises: the adjusting mechanism comprises a fixed tool handle 8, the fixed tool handle 8 is installed below the adjusting rod 7, the lower end of the fixed tool handle 8 is fixedly connected with a connecting seat 9, the inner part of the fixed tool handle 8 is provided with a connecting hole 81, the vertical direction of the inner wall of the connecting hole 81 is fixedly connected with a limiting block 82, the inner side of the limiting block 82 is slidably connected with a limiting groove 83 provided on the adjusting rod 7, the outer wall of the fixed tool handle 8 is provided with a limiting bolt 84 which is abuttingly connected with the adjusting rod 7, the limiting bolt 84 on the fixed tool handle 8 is loosened, the lower end of the limiting bolt 84 is separated from the outer wall of the adjusting rod 7, the fixed tool handle 8 is released, the adjusting rod 7 can be pulled to move under the cooperation of the connecting hole 81, and then the distance between the chip breaking tool head 1 and the fixed tool handle 8 is adjusted, the overall length of the chip breaking tool is adjusted, different workpieces can be processed, the limiting block 82 and the limiting groove 83 can limit the movement of the adjusting rod 7. Embodiment three

[0024] In addition to comprising all the technical features in embodiment one, the embodiment comprises:

[0025] Working principle: before using the high hardness three blade chip breaker, first connect the chip breaker and the output shaft chuck of the driving device, insert the connecting seat 9 into the chuck, so that the fixed tool holder 8 is connected with the chuck, the chuck is clamped and the chip breaker is fixed, the driving device drives the fixed tool holder 8 to rotate, and then drives the chip breaker head 1 to rotate, so that the cutting tool 22 on the chip breaker head 1 processes the workpiece, and the setting of the cutting groove 21 can further process the workpiece, through the setting of the chip removal groove 2, the waste generated during processing can be discharged to the outside, the fixed screw 23 is unscrewed, the fixing of the cutting tool 22 is released, so that the cutting tool 22 can be disassembled and replaced, which is convenient to use, and the fixed screw 5 on the adjusting rod 7 is unscrewed, so that the fixed screw 5 and the fixed hole 6 on the connecting piece 3 are separated, under the cooperation of the mounting hole 4, the chip breaker head 1 can be disassembled, and the head part of the chip breaker can be replaced separately, without replacing the chip breaker as a whole, improving the practicability, by unscrewing the limiting bolt 84 on the fixed tool holder 8, the end of the limiting bolt 84 and the outer wall of the adjusting rod 7 are separated, the fixing of the adjusting rod 7 is released, under the cooperation of the connecting hole 81, the adjusting rod 7 can be pulled to move, and then the distance between the chip breaker head 1 and the fixed tool holder 8 is adjusted, realizing the function of adjusting the overall length of the chip breaker, facilitating the processing of different workpieces, the limiting block 82 and the limiting groove 83 can play the limiting role, avoiding the situation that the adjusting rod 7 is pulled too much and falls off, improving the stability.

[0026] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A three-edged chip breaker with high hardness, comprising a chip breaker head (1), characterized in that: The outer wall of the chip breaker head (1) is provided with a chip breaking mechanism for processing a workpiece; The chip breaking mechanism comprises a chip removal groove (2), wherein three chip removal grooves (2) are provided, and the three chip removal grooves (2) all start on the outer surface of the chip breaker head (1), and the outer wall of the chip breaker head (1) is provided with three groups of opening grooves (21) at equal intervals, and a cutting knife (22) is installed on the upper surface of the chip breaker head (1), and three fixing screws (23) threadedly connected to the chip breaker head (1) are installed on the upper end of the cutting knife (22).

2. A three-edged chip breaker with high hardness according to claim 1, characterized in that: A connecting piece (3) is fixed to the lower end of the chip breaker head (1), and an adjusting rod (7) is connected below the connecting piece (3).

3. A three-edged chip breaker with high hardness according to claim 2, characterized in that: A mounting hole (4) is provided inside the adjusting rod (7), and a fixing bolt (5) is installed on the outer surface of the adjusting rod (7).

4. A three-edged chip breaker with high hardness according to claim 3, characterized in that: The end of the fixing bolt (5) is threadedly connected to a fixing hole (6) provided on the connecting piece (3), and an adjusting mechanism for adjusting the chip breaker is connected below the adjusting rod (7).

5. The three-edged chip breaker with high hardness according to claim 4, characterized in that: The adjustment mechanism comprises a fixed knife handle (8), which is installed below the adjustment rod (7), and a connecting seat (9) is fixed to the lower end of the fixed knife handle (8).

6. A three-edged chip breaker with high hardness according to claim 5, characterized in that: A connecting hole (81) is provided inside the fixed shank (8), and a limiting block (82) is fixed in a vertical direction on the inner wall of the connecting hole (81).

7. The three-edged chip breaker with high hardness according to claim 6, characterized in that: The inner side of the limit block (82) is slidably connected to a limit slot (83) provided on the adjustment rod (7), and the outer wall of the fixed shank (8) is provided with a limit bolt (84) abutting against the adjustment rod (7).

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