CN211438412U

CN211438412U - Tool bit for hardware machining

Info

Publication number: CN211438412U
Application number: CN201922430683.5U
Authority: CN
Inventors: 袁志林
Original assignee: 袁志林
Current assignee: Shanghai Fanghan Precision Tools Co.,Ltd.
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-08
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a tool bit for hardware processing, concretely relates to five metals field, including the cutter body, four outsides of cutter body all are provided with the cutting part, and the edge that the inside of four cutting parts is close to the cutter body all is provided with first internal thread hole, the inboard position department that the inside of cutter body is close to four first internal thread holes all is provided with square card hole, the end connection of cutter body has splint, the splint cup joint is in the outside of a cutting part, and the outside position department that the inside of splint corresponds the cutting part is provided with the mounting groove, the outside position department that the outer wall of splint is close to first internal thread hole is connected with the fixed plate, the outside position department that the tip of fixed plate is close to square card hole is connected with the fixed block. The utility model discloses when using, conveniently change after long-time use wearing and tearing as a cutting part, the life of extension tool bit can obtain make full use of with messenger's tool bit, and improves the stability behind the cutter body installation.

Description

Tool bit for hardware machining

Technical Field

The utility model relates to a five metals field, more specifically says, the utility model relates to a tool bit for hardware processing.

Background

The tool bit is the head of the cutter as the name implies, and can be divided into a diamond tool bit, an alloy tool bit and a carbon steel tool bit, the tool bit has the advantages of high temperature resistance, wear resistance and good sharpness, is a necessary product for hardware processing, lathe processing and stone processing, and is continuously released as new products of the tool bit are developed day by day along with the development of science and technology.

When the tool bit for the existing hardware machining is used, the cutting part can be abraded and frequently replaced after being used for a long time, so that the tool bit cannot be fully utilized, and the resource waste is caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a tool bit for hardware processing, when using, conveniently changes after a cutting part uses wearing and tearing for a long time, prolongs the life of tool bit and makes the tool bit can obtain make full use of, and improves the stability behind the cutter body installation to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tool bit for hardware processing comprises a tool body, wherein four outer edges of the tool body are respectively provided with a cutting part, the edges of the inner parts of the four cutting parts, which are close to the tool body, are respectively provided with a first internal threaded hole, the inner part of the cutter body is provided with square clamping holes close to the inner sides of the four first internal thread holes, the end part of the cutter body is connected with a clamping plate, the clamping plate is sleeved on the outer side of one cutting part, and the inner part of the splint corresponding to the outer part of the cutting part is provided with a mounting groove, the outer wall of the splint close to the outer side of the first internal threaded hole is connected with a fixing plate, the outer side position of the end part of the fixed plate close to the square clamping hole is connected with a fixed block, the inner side wall of the fixed block is connected with a square clamping block at the inner side position of the square clamping hole, and a fastening bolt is connected to one side of the outer wall of the fixing plate corresponding to the first internal threaded hole.

In a preferred embodiment, the end of the clamping plate corresponding to the outer position of the cutter body is provided with a clamping groove.

In a preferred embodiment, the two outer walls of the clamping plate are provided with second internal thread holes corresponding to the positions outside the screw rods of the fastening bolts, and the second internal thread holes are communicated with the mounting groove.

In a preferred embodiment, the cutting portion and the cutter body are of an integral structure.

In a preferred embodiment, the fixing plate is provided with a third internally threaded hole at a position corresponding to the outside of the screw of the fastening bolt.

In a preferred embodiment, the fixing block is connected to the fixing plate by welding.

In a preferred embodiment, the connection mode between the square fixture block and the fixing block is welding.

The utility model discloses a technological effect and advantage: compared with the prior art, when in use, the cutter body is provided with the cutting parts at the four outer edges of the cutter body and the first inner threaded hole, the square clamping hole, the clamping plate, the clamping groove, the mounting groove, the fixing plate, the fixing block, the square clamping block and the fastening bolt, the arranged cutting parts are used for processing the object, the four arranged cutting parts can be effectively switched for use, when one cutting part is worn after long-term use, the mounting position of the splint can be replaced, the cutting part for processing the object can be conveniently replaced, the clamping plate is sleeved outside one cutting part and is fixed by the fastening bolt, the clamping plate can be further fixed with the cutter body effectively by the aid of the square clamping holes and the square clamping blocks, stability of the cutter body after installation is improved, and the clamping plate and a cutter handle of an external cutter can be connected and fixed during machining.

Drawings

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

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic structural view of the middle knife body of the present invention.

Fig. 4 is a schematic structural view of the middle splint of the present invention.

Fig. 5 is a schematic view of the connection structure of the square fixture block of the present invention.

The reference signs are: 1 cutter body, 2 cutting parts, 3 first internal thread holes, 4 square card holes, 5 splint, 6 draw-in grooves, 7 mounting grooves, 8 fixed plates, 9 fixed blocks, 10 fastening bolts, 11 square fixture blocks, 51 second internal thread holes, 81 third internal thread holes.

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.

The cutter head for hardware processing shown in the attached figures 1 to 5 comprises a cutter body 1, wherein four outer edges of the cutter body 1 are respectively provided with a cutting part 2, the edges of the interiors of the four cutting parts 2, which are close to the cutter body 1, are respectively provided with a first internal thread hole 3, the inner sides of the interiors of the cutter body 1, which are close to the four first internal thread holes 3, are respectively provided with a square clamping hole 4, the end part of the cutter body 1 is connected with a clamping plate 5, the clamping plate 5 is sleeved on the outer side of one cutting part 2, a mounting groove 7 is arranged in the interior of the clamping plate 5, which corresponds to the outer position of the cutting part 2, the outer side of the outer wall of the clamping plate 5, which is close to the outer side of the first internal thread hole 3, is connected with a fixing plate 8, the outer side of the end part of the fixing plate 8, which is close to the, and a fastening bolt 10 is connected to one side of the outer wall of the fixing plate 8 corresponding to the first internal threaded hole 3.

Furthermore, a clamping groove 6 is formed in the position, corresponding to the outer part of the cutter body 1, of the end part of the clamping plate 5, so that the clamping plate 5 can be conveniently clamped outside the edge of the cutter body 1;

further, the two outer walls of the clamping plate 5 are provided with second internal thread holes 51 corresponding to the outer positions of the screws of the fastening bolts 10, and the second internal thread holes 51 are communicated with the mounting groove 7, so that the fixing plate 8 can be clamped and fixed conveniently when the fastening bolts 10 are connected;

furthermore, the cutting part 2 and the cutter body 1 are of an integrated structure, so that the stability of the cutting part 2 is improved conveniently;

furthermore, a third internal threaded hole 81 is formed in the fixing plate 8 corresponding to the outer position of the screw of the fastening bolt 10, so that the fastening bolt 10 can be conveniently connected;

furthermore, the fixing block 9 and the fixing plate 8 are connected by welding, so that the fixing block 9 and the fixing plate 8 are conveniently connected and fixed;

furthermore, the square fixture block 11 and the fixed block 9 are connected by welding, so that the square fixture block 11 and the fixed block 9 can be conveniently connected and fixed;

the implementation mode is specifically as follows: the cutter body 1 is provided with the cutting parts 2 at four outer sides, the edges of the inner parts of the four cutting parts 2 close to the cutter body 1 are provided with the first internal thread holes 3, the inner parts of the cutter body 1 close to the four first internal thread holes 3 are provided with the square clamping holes 4, the end part of the cutter body 1 is connected with the clamping plate 5, the end part of the clamping plate 5 corresponding to the outer position of the cutter body 1 is provided with the clamping groove 6, the clamping plate 5 is convenient to clamp at the outer part of the edge of the cutter body 1, the clamping plate 5 is sleeved at the outer side of one cutting part 2, the inner part of the clamping plate 5 corresponding to the outer position of the cutting part 2 is provided with the mounting groove 7, the outer wall of the clamping plate 5 close to the outer position of the first internal thread hole 3 is connected with the fixing plate 8, the outer part of the screw rod of the fastening bolt 10 corresponding to the inner part of the fixing plate 8 is provided with the third internal thread hole 81, second internal thread hole 51 and mounting groove 7 between intercommunication, be convenient for press from both sides tight fixedly to fixed plate 8 when fastening bolt 10 is connected, the outside position department that the tip of fixed plate 8 is close to square calorie of hole 4 is connected with fixed block 9, the inboard position department that the inside wall of fixed block 9 is located square calorie of hole 4 is connected with square fixture block 11, one side position department that the outer wall of fixed plate 8 corresponds first internal thread hole 3 is connected with fastening bolt 10, in the time of the use, the cutting part 2 that sets up is used for processing the object, four cutting parts 2 that set up can effectually switch over the use, use the wearing and tearing back in long-time use when a cutting part 2, can change splint 5's mounted position, change cutting part 2 to object processing that can be convenient, splint 5 cover is in the outside of a cutting part 2, and fix the processing through fastening bolt 10, and the square calorie of hole 4 and square fixture block 11 that set up can effectually make splint 5 further accomplish fixedly with cutter body The stability of the cutter body after installation is improved, and the clamping plate 5 and the handle of the external cutter are fixedly connected during machining.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, by arranging the cutting parts 2 at four outer edges of the cutter body 1 and by arranging the first internal thread hole 3, the square clamping hole 4, the clamping plate 5, the clamping groove 6, the mounting groove 7, the fixing plate 8, the third internal thread hole 81, the fastening bolt 10, the second internal thread hole 51, the fixing block 9 and the square clamping block 11, when in use, the arranged cutting parts 2 are used for processing objects, the arranged four cutting parts 2 can be effectively switched for use, when one cutting part 2 is worn after being used for a long time, the mounting position of the clamping plate 5 can be changed, namely the cutting part 2 for processing the objects can be conveniently changed, the clamping plate 5 is sleeved outside one cutting part 2 and is fixed by the fastening bolt 10, and the arranged square clamping hole 4 and the square clamping block 11 can effectively enable the clamping plate 5 to be further fixed with the cutter body 1, the stability of the cutter body 1 after installation is improved, and the clamping plate 5 and the handle of the external cutter are connected and fixed during machining.

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tool bit for hardware processing, includes cutter body (1), its characterized in that: the cutting knife comprises a knife body (1), wherein four outer edges of the knife body (1) are respectively provided with a cutting part (2), the edges of the inner parts of the four cutting parts (2) close to the knife body (1) are respectively provided with a first internal threaded hole (3), the inner sides of the inner parts of the knife body (1) close to the four first internal threaded holes (3) are respectively provided with a square clamping hole (4), the end part of the knife body (1) is connected with a clamping plate (5), the clamping plate (5) is sleeved on the outer side of one cutting part (2), a mounting groove (7) is arranged in the inner part of the clamping plate (5) corresponding to the outer position of the cutting part (2), the outer side position of the outer wall of the clamping plate (5) close to the first internal threaded hole (3) is connected with a fixing plate (8), the outer side position of the end part of the fixing plate (8) close to the square clamping hole (4) is connected with a fixing block (9), the inner, and a fastening bolt (10) is connected to one side position of the outer wall of the fixing plate (8) corresponding to the first internal threaded hole (3).

2. The cutter head for hardware processing according to claim 1, characterized in that: the end part of the clamping plate (5) is provided with a clamping groove (6) corresponding to the outer position of the cutter body (1).

3. The cutter head for hardware processing according to claim 1, characterized in that: the two outer walls of the clamping plate (5) are provided with second internal thread holes (51) corresponding to the outer positions of the screws of the fastening bolts (10), and the second internal thread holes (51) are communicated with the mounting groove (7).

4. The cutter head for hardware processing according to claim 1, characterized in that: the cutting part (2) and the cutter body (1) are of an integrated structure.

5. The cutter head for hardware processing according to claim 1, characterized in that: and a third internal threaded hole (81) is formed in the fixing plate (8) corresponding to the external position of the screw rod of the fastening bolt (10).

6. The cutter head for hardware processing according to claim 1, characterized in that: the fixing block (9) and the fixing plate (8) are connected by welding.

7. The cutter head for hardware processing according to claim 1, characterized in that: the square fixture block (11) and the fixing block (9) are connected in a welding mode.