CN219837215U

CN219837215U - Composite cutter convenient to maintain

Info

Publication number: CN219837215U
Application number: CN202321118614.0U
Authority: CN
Inventors: 王军; 庄靖
Original assignee: Changsha Qianqiu Cutting Tool Co ltd
Current assignee: Changsha Qianqiu Cutting Tool Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-10-17
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a composite cutter convenient to maintain, which belongs to the technical field of composite cutters and comprises four single cutters, wherein each single cutter comprises a cutter head and a cutter handle, the cutter heads are fixed at one end of the cutter handle, the cutter handle is in a quarter cylinder arrangement, two inner side walls of the cutter heads are respectively flush with two side walls of the cutter handle, and a detachable cutter handle sleeve is further fixed at the outer side of the cutter handle. Through the setting, after the compound cutter is used for a long time, in order to ensure sharpness and subsequent processing effect, when the compound cutter needs to be polished and maintained, the compound cutter is split into each single cutter to polish the cutting edge and the cutter point on each single cutter, and after each single cutter is polished and maintained, the compound cutter is assembled into the compound cutter, so that the effects of reducing the working difficulty and improving the working efficiency are achieved.

Description

Composite cutter convenient to maintain

Technical Field

The utility model belongs to the technical field of composite cutters, and particularly relates to a composite cutter convenient to maintain.

Background

The composite cutter is a special cutter which combines two or more similar or different hole processing cutters into a whole, can finish the combination of multiple processes such as drilling, reaming, countersinking, boring and the like in one-time processing, and has the forming and processing characteristics of high efficiency, high precision and high reliability.

In actual production, after the compound cutter is used for a long time, in order to ensure sharpness and subsequent processing effect, the compound cutter needs to be polished and maintained, and as the compound cutter is an integrated cutter made of two or more similar or different hole processing cutters, the compound cutter has the characteristics of multiple blades and multiple fronts, the compound cutter is inconvenient to polish and maintain the inner blades and the blades, the working difficulty is increased, and the working efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a compound cutter convenient to maintain, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a compound cutter convenient to maintain, includes single cutter, single cutter has four in quantity, single cutter has tool bit and handle of a knife to constitute, the tool bit is fixed in handle of a knife one end, the handle of a knife is quarter cylinder setting, two inside walls of tool bit are flush with handle of a knife both sides wall respectively the outside of handle of a knife still is fixed with detachable handle of a knife cover.

Preferably, the side wall of the same side of the cutter handle and the cutter head is provided with a matching groove along the length direction, the other side wall of the cutter handle and the cutter head is provided with a matching block along the length direction, and the matching groove is arranged in a matching way with the matching block.

Preferably, the cross sections of the matching grooves and the matching blocks are isosceles trapezoid.

Preferably, the bottom ends of the matching blocks and the matching grooves are provided with chamfers.

Preferably, pin holes are radially formed in the non-adjacent two tool shanks in a penetrating manner, two ends of each pin hole penetrate through the side wall of the tool shank sleeve at the same time, and pin blocks are inserted into the pin holes.

Preferably, the limit block is fixedly arranged on the circumferential side wall of the cutter handle along the length direction, the limit groove is formed in the inner side wall of the cutter handle sleeve along the length direction, and the limit block is arranged in a mode of being matched with the limit groove.

In summary, the technical effects and advantages of the present utility model are:

1. through with compound cutter split into each single cutter that can assemble, after compound cutter uses for a long time, in order to guarantee sharpness and follow-up machining effect, when need polish the maintenance to compound cutter, through with compound cutter split into each single cutter, come to polish cutting edge, the blade on each single cutter, treat that each single cutter is polished and is maintained after accomplishing, assemble it into compound cutter again to this realization reduces the work degree of difficulty, improves work efficiency's effect.

2. The pin holes are radially formed in the two non-adjacent tool handles in a penetrating mode, two ends of each pin hole penetrate through the side wall of the tool handle sleeve at the same time, and the pin blocks are further inserted into the pin holes. Through the cooperation of pinhole and round pin piece, can prevent that each single tool from escaping the handle of a knife cover, and then guarantee compound cutter's normal use effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a handle sleeve disassembled;

FIG. 3 is a schematic diagram illustrating the disassembly of the individual tools;

fig. 4 is an enlarged schematic view of fig. 3 at a.

In the figure: 1. a single cutter; 11. a cutter head; 12. a knife handle; 2. a knife handle sleeve; 3. a mating groove; 4. a mating block; 5. a pin hole; 6. a pin block; 7. a limiting block; 8. and a limit groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

The composite cutter convenient to maintain as shown in fig. 1-4 comprises four single cutters 1, wherein each single cutter 1 comprises a cutter head 11 and a cutter handle 12, the cutter heads 11 are fixed at one end of the cutter handle 12, the cutter handle 12 is in a quarter cylinder arrangement, two inner side walls of the cutter heads 11 are respectively flush with two side walls of the cutter handle 12, and a detachable cutter handle sleeve 2 is further fixed on the outer side of the cutter handle 12.

Further, a matching groove 3 is formed in the side wall of the same side of the cutter handle 12 and the cutter head 11 along the length direction, a matching block 4 is fixed on the other side wall of the cutter handle 12 and the cutter head 11 along the length direction, and the matching groove 3 is arranged in a matching way with the matching block 4.

It should be noted that: through setting up the single tool 1 that comprises tool bit 11 and handle of a knife 12 to insert the cooperation piece 4 that is located single tool 1 one side into the cooperation groove 3 on the adjacent single tool 1 lateral wall, connect four single tools 1 in proper order through above-mentioned setting, embolia handle of a knife cover 2 from handle of a knife 12 bottom, from this constitutes compound cutter jointly.

Above-mentioned setting, after compound cutter uses for a long time, in order to guarantee sharpness and follow-up machining effect, when need polish the maintenance to compound cutter, through split into each single cutter 1 with compound cutter, polish cutting edge, the knife point on each single cutter 1, after each single cutter 1 all polishes the maintenance and accomplish, assemble it into compound cutter again to this realization reduces the work degree of difficulty, improves work efficiency's effect.

In order to further improve the fit degree between the single tools 1, as shown in fig. 3 and 4, the cross sections of the matching groove 3 and the matching block 4 are isosceles trapezoids. By the arrangement, the single cutters 1 can be matched more tightly, so that the practicability of the composite cutter in use is improved.

As shown in fig. 3 and 4, chamfers are formed at the bottom end of the mating block 4 and the mating groove 3. Through the seting up of chamfer, can be more convenient insert the cooperation piece 4 in the cooperation groove 3, improve the efficiency of equipment, dismantlement between each single cutter 1, further be convenient for the maintenance to compound cutter.

As shown in fig. 1-3, two non-adjacent tool shanks 12 are radially penetrated and provided with pin holes 5, two ends of each pin hole 5 penetrate through the side wall of the tool shank sleeve 2 at the same time, and pin blocks 6 are inserted into the pin holes 5.

Through the cooperation of pinhole 5 and round pin piece 6, can prevent that each single cutter 1 from escaping handle of a knife cover 2, and then guarantee compound cutter's normal result of use.

In order to ensure the matching effect between each single cutter 1 and the cutter handle sleeve 2, as shown in fig. 2, a limiting block 7 is fixedly arranged on the circumferential side wall of the cutter handle 12 along the length direction, a limiting groove 8 is formed on the inner side wall of the cutter handle sleeve 2 along the length direction, and the limiting block 7 is arranged in a matched mode with the limiting groove 8.

Through the cooperation of the limiting groove 8 and the limiting block 7, each single cutter 1 can not rotate in the cutter handle sleeve 2, and the safety of the composite cutter during use is further ensured.

Working principle: through setting up the single tool 1 that comprises tool bit 11 and handle of a knife 12 to insert the cooperation piece 4 that is located single tool 1 one side into the cooperation groove 3 on the adjacent single tool 1 lateral wall, connect four single tools 1 in proper order through above-mentioned setting, embolia handle of a knife cover 2 from handle of a knife 12 bottom, from this constitutes compound cutter jointly. Above-mentioned setting, after compound cutter uses for a long time, in order to guarantee sharpness and follow-up machining effect, when need polish the maintenance to compound cutter, through split into each single cutter 1 with compound cutter, polish cutting edge, the knife point on each single cutter 1, after each single cutter 1 all polishes the maintenance and accomplish, assemble it into compound cutter again to this realization reduces the work degree of difficulty, improves work efficiency's effect.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a compound cutter convenient to maintain, includes single cutter (1), its characterized in that: the utility model discloses a single tool (1) is characterized in that the number of the single tool (1) is four, the single tool (1) is provided with a tool bit (11) and a tool shank (12), the tool bit (11) is fixed at one end of the tool shank (12), the tool shank (12) is in a quarter cylinder arrangement, two inner side walls of the tool bit (11) are respectively flush with two side walls of the tool shank (12), and a detachable tool shank sleeve (2) is further fixed on the outer side of the tool shank (12).

2. The composite tool for easy maintenance according to claim 1, wherein: the tool comprises a tool holder (12) and a tool bit (11), wherein a matching groove (3) is formed in the side wall of the same side of the tool holder (12) and the tool bit (11) along the length direction, a matching block (4) is fixed on the other side wall of the tool holder (12) and the tool bit (11) along the length direction, and the matching groove (3) is arranged in a matching mode with the matching block (4).

3. A composite tool for facilitating maintenance according to claim 2, wherein: the cross sections of the matching grooves (3) and the matching blocks (4) are isosceles trapezoids.

4. A composite tool for facilitating maintenance according to claim 2, wherein: chamfer angles are formed at the bottom ends of the matching blocks (4) and the matching grooves (3).

5. The composite tool for easy maintenance according to claim 1, wherein: the two non-adjacent tool shanks (12) are radially penetrated and provided with pin holes (5), two ends of each pin hole (5) penetrate through the side wall of the tool shank sleeve (2) at the same time, and pin blocks (6) are inserted into the pin holes (5).

6. The composite tool for easy maintenance according to claim 1, wherein: limiting blocks (7) are fixedly arranged on the circumferential side wall of the tool handle (12) along the length direction, limiting grooves (8) are formed in the inner side wall of the tool handle sleeve (2) along the length direction, and the limiting blocks (7) are arranged in a matched mode with the limiting grooves (8).