CN210334477U

CN210334477U - High strength welding formula stereoplasm industry cutter

Info

Publication number: CN210334477U
Application number: CN201921129153.0U
Authority: CN
Inventors: 黄磊
Original assignee: Suzhou Maikafu Industrial Technology Co ltd
Current assignee: Suzhou Maikafu Industrial Technology Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-17
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a high strength welding formula stereoplasm industry cutter relates to stereoplasm industry cutter technical field, for solving current stereoplasm industry cutter and adopt three formula welding methods usually, only at the knife tip of cutter and cutting position both sides welding carbide, such many places welding reduces the conjugation degree of carbide and tool bit body easily, leads to the cutter to take place to drop easily and the problem that collapses. The lower extreme of handle of a knife is provided with the connector, the inside of handle of a knife is provided with the dead slot, the below of dead slot is provided with the shifting chute, the both sides of shifting chute are provided with the fixed slot, one side of fixed slot is provided with T type screw hole, the opposite side of fixed slot is provided with the second screw hole, the internally mounted of shifting chute has collet chuck, collet chuck's inside is provided with the locking groove, the outside of collet chuck below is provided with the spacing groove, nut cover is installed to collet chuck's below, the internally mounted in locking groove has the tool bit.

Description

High strength welding formula stereoplasm industry cutter

Technical Field

The utility model relates to a stereoplasm industry cutter technical field specifically is a high strength welding formula stereoplasm industry cutter.

Background

In the modern industrial processing process, an industrial cutter is generally adopted to process a workpiece, and the quality and the structure of the industrial cutter directly influence the quality and the efficiency of the produced part. In the industrial processing process, a plurality of workpieces with higher hardness need to be punched, and in order to ensure the smoothness of the processing process, a hard industrial cutter is generally adopted during processing, so that the hardness is higher, the rigidity is higher, and the service life is longer, therefore, the hard industrial cutter is widely used and developed.

However, the conventional hard industrial tool generally adopts a three-piece welding method, and only the tool edge and the two sides of the cutting part of the tool are welded with hard alloy, so that the multiple welding easily reduces the combination degree of the hard alloy and the tool bit body, and the tool is easy to fall off and break, so that the conventional requirement is not met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength welding formula stereoplasm industry cutter to the stereoplasm industry cutter that proposes in solving above-mentioned background art adopts three formula welding methods usually, only welds carbide in the knife tip and the cutting position both sides of cutter, and such many places welding reduces carbide easily and tool bit body's conjoint degree, leads to the cutter to take place to drop easily and the problem that collapses.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength welding type hard industrial cutter comprises a cutter handle, wherein a connecting body is arranged at the lower end of the cutter handle, the connecting body and the cutter handle are of an integral structure, a hollow groove is formed in the cutter handle, a moving groove is formed below the hollow groove, fixing grooves are formed in two sides of the moving groove, a T-shaped threaded hole is formed in one side of each fixing groove, a second threaded hole is formed in the other side of each fixing groove, a fixing bolt is installed in each T-shaped threaded hole, one end of each fixing bolt extends into the corresponding second threaded hole, a spring chuck is installed in each moving groove, a locking groove is formed in each spring chuck, a limiting groove is formed in the outer portion below each spring chuck, a nut sleeve is installed below each spring chuck, one end of each spring chuck extends into the corresponding nut sleeve, and a connecting sleeve is arranged at the upper end of each nut sleeve, and adapter sleeve and nut cover structure as an organic whole, the one end of connector extends to the inside of adapter sleeve, the inside of nut cover is provided with the stopper, and the one end of stopper extends to the inside of spacing groove, the inside of nut cover bottom is provided with the import, the internally mounted in locking groove has the tool bit, the one end of tool bit is passed the import and is extended to the outside of nut cover, the top of handle of a knife is provided with the dead lever.

Preferably, the tool bit comprises a tool bit body and a hard alloy layer, the tool bit body is positioned in the hard alloy layer, and the hard alloy layer is welded with the tool bit body.

Preferably, the hard alloy layer comprises a mounting section and a cutting section, the mounting section and the cutting section are of an integral structure, the outer part of the upper end of the mounting section is provided with a plurality of anti-slip threads, and the cutting section comprises a cutting thread and a chip removal groove.

Preferably, fixing columns are arranged on two sides above the nut sleeve, one ends of the fixing columns extend to the inside of the fixing groove, and first threaded holes are formed in the fixing columns.

Preferably, the connecting body and the connecting sleeve are connected through threads.

Preferably, the spring chuck is in clearance connection with the nut sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a tool bit comprises tool bit main part and carbide layer, and carbide passes through copper welding mode welding with the tool bit main part outside, and a slice welding, carbide are whole to live tool bit main part parcel, and through certain technology processing again, the grinding goes out the shape, and the cutting of seting out threads, and the tool bit of an intensity has been accomplished promptly. The welding mode can improve the combination degree of the tool bit main body and the hard alloy layer, the tool bit main body and the hard alloy layer are not easy to fall off, and meanwhile, the hard alloy has excellent performances of high hardness, good wear resistance, high strength, good toughness, good heat resistance, good corrosion resistance and the like, so that the overall hardness and rigidity are enhanced, and the service life of the tool is prolonged.

2. The utility model discloses a nut cover, cooperation between collet chuck and the handle of a knife, the installation of the tool bit of being convenient for, during the installation, through rotatory nut cover, take collet chuck to the inside removal of handle of a knife, press from both sides the tool bit when removing, fixed mode is simple and convenient, simultaneously along with the rotation of nut cover, the fixed column gets into the inside of fixed slot gradually, when nut cover is rotatory motionless, twist T type screw hole with set screw in proper order, in first screw hole and the second screw hole, further consolidate the installation of nut cover through fixing bolt, guarantee the fastness of nut cover installation.

3. The utility model discloses an outside above the tool bit is provided with a plurality of anti-skidding lines, can improve the friction between tool bit and the collet chuck to improve fastening force, guarantee the fastness of tool bit installation, and then guaranteed the security in the course of working, avoid the condition of departure.

Drawings

Fig. 1 is a schematic view of the internal structure of a high-strength welding type hard industrial cutter of the present invention;

FIG. 2 is a schematic structural view of the tool bit of the present invention;

FIG. 3 is a partial enlarged view of region A of the present invention;

fig. 4 is a partial enlarged view of the region B of the present invention.

In the figure: 1. a cutter head; 2. a knife handle; 21. a linker; 22. an empty groove; 23. fixing grooves; 24. t-shaped threaded holes; 25. a second threaded hole; 26. a moving groove; 3. a bit body; 4. a hard alloy layer; 5. a nut sleeve; 51. connecting sleeves; 52. a limiting block; 53. an inlet; 54. fixing a column; 541. a first threaded hole; 6. a collet chuck; 61. a limiting groove; 62. a locking groove; 7. fixing the rod; 8. an installation section; 81. anti-skid lines; 9. a cutting section; 91. cutting and threading; 92. a chip groove; 10. and (5) fixing the bolt.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a high-strength welding type hard industrial cutter comprises a cutter handle 2, a connecting body 21 is arranged at the lower end of the cutter handle 2, threads are arranged on the outer portion of the connecting body 21, the connecting body 21 and the cutter handle 2 are of an integral structure, the integrity is good, and the cutter handle is not prone to fracture, an empty groove 22 is arranged inside the cutter handle 2, a moving groove 26 is arranged below the empty groove 22, fixing grooves 23 are arranged on two sides of the moving groove 26, a T-shaped threaded hole 24 is arranged on one side of each fixing groove 23, a second threaded hole 25 is arranged on the other side of each fixing groove 23, a fixing bolt 10 is arranged inside each T-shaped threaded hole 24 and used for fixing, one end of each fixing bolt 10 extends into the corresponding second threaded hole 25, a spring chuck 6 is arranged inside each moving groove 26, a locking groove 62 is arranged inside each spring chuck 6, a limiting groove 61 is arranged outside the lower portion of each spring chuck 6, a nut sleeve 5, the upper end of the nut sleeve 5 is provided with a connecting sleeve 51, threads are arranged on the inner side of the nut sleeve 5, the connecting sleeve 51 and the nut sleeve 5 are of an integral structure, the integrity is still, no gap exists in the connecting position, one end of the connecting body 21 extends into the connecting sleeve 51, a limiting block 52 is arranged inside the nut sleeve 5, one end of the limiting block 52 extends into a limiting groove 61, an inlet 53 is arranged inside the bottom end of the nut sleeve 5, a tool bit 1 is installed inside a locking groove 62, one end of the tool bit 1 penetrates through the inlet 53 and extends to the outside of the nut sleeve 5, and a fixing rod 7 is arranged above the tool shank 2 and used for fixing the whole tool on a.

Further, the tool bit 1 comprises a tool bit body 3 and a hard alloy layer 4, the tool bit body 3 is located inside the hard alloy layer 4, the hard alloy layer 4 is welded with the tool bit body 3, the connection strength is high, and the combination degree between the hard alloy layer 4 and the tool bit body 3 is improved.

Further, the hard alloy layer 4 comprises a mounting section 8 and a cutting section 9, the mounting section 8 and the cutting section 9 are of an integral structure, the anti-slip threads 81 are arranged outside the upper end of the mounting section 8, a plurality of anti-slip threads 81 are arranged, the cutting section 9 comprises a cutting thread 91 and a chip discharge groove 92, the cutting thread 91 is used as a main cutting part, and the chip discharge groove 92 is used for discharging metal scraps generated during cutting.

Further, both sides above the nut sleeve 5 are provided with fixing columns 54, one ends of the fixing columns 54 extend to the inside of the fixing groove 23, and first threaded holes 541 are formed in the fixing columns 54 and used for screwing the nut sleeve 5 down and fixing the nut sleeve by using the fixing bolts 10, so that the firmness of the nut sleeve installation is guaranteed.

Further, the connecting body 21 and the connecting sleeve 51 are connected through threads, so that the connection is convenient and the structure is simple.

Furthermore, the spring chuck 6 is in clearance connection with the nut sleeve 5, and a certain space is reserved, so that the nut sleeve 5 can rotate conveniently.

The working principle is as follows: during the use, the installation section 8 on the tool bit 1 is inserted into the locking groove 62 of the collet chuck 6 along the inlet 53, the connecting sleeve 51 on the nut sleeve 5 is in threaded connection with the connecting body 21 on the tool holder 2, the nut sleeve 5 is rotated, the nut sleeve 5 drives the collet chuck 6 to move towards the inside of the moving groove 26, the nut sleeve 5 is uniformly contracted during moving, the tool bit 1 is fastened, the plurality of anti-skidding threads 81 are arranged on the outer side of the installation section 8, the friction force between the collet chuck 6 and the installation section 8 can be improved, the clamping force is improved, meanwhile, the fixing column 54 is gradually screwed into the fixing groove 23 until the nut sleeve 5 is fixed in rotation, namely the tool bit 1 is fixed, and in order to improve the installation firmness of the nut sleeve 5, one end of the fixing bolt 10 is sequentially screwed into the T-shaped threaded hole 24, the first threaded hole 541 and the second threaded. The tool bit 1 is formed by welding a hard alloy layer 4 on the outer part of a tool bit main body 3 in a one-piece mode, then carrying out process treatment and finally grinding, and cutting threads 91 are formed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high strength welding formula stereoplasm industry cutter, includes handle of a knife (2), its characterized in that: the lower end of the knife handle (2) is provided with a connector (21), the connector (21) and the knife handle (2) are of an integral structure, an empty groove (22) is formed in the knife handle (2), a moving groove (26) is formed below the empty groove (22), fixing grooves (23) are formed in two sides of the moving groove (26), a T-shaped threaded hole (24) is formed in one side of each fixing groove (23), a second threaded hole (25) is formed in the other side of each fixing groove (23), a fixing bolt (10) is installed in each T-shaped threaded hole (24), one end of each fixing bolt (10) extends into the corresponding second threaded hole (25), a spring chuck (6) is installed in each moving groove (26), a locking groove (62) is formed in each spring chuck (6), a limiting groove (61) is formed in the outer portion below each spring chuck (6), nut cover (5) are installed to the below of collet chuck (6), and the one end of collet chuck (6) extends to the inside of nut cover (5), the upper end of nut cover (5) is provided with adapter sleeve (51), and adapter sleeve (51) and nut cover (5) structure as an organic whole, the one end of connector (21) extends to the inside of adapter sleeve (51), the inside of nut cover (5) is provided with stopper (52), and the one end of stopper (52) extends to the inside of spacing groove (61), the inside of nut cover (5) bottom is provided with import (53), the internally mounted of locking groove (62) has tool bit (1), the one end of tool bit (1) is passed import (53) and is extended to the outside of nut cover (5), the top of handle of a knife (2) is provided with dead lever (7).

2. A high strength welded hard industrial tool according to claim 1, characterized in that: the tool bit (1) comprises a tool bit main body (3) and a hard alloy layer (4), the tool bit main body (3) is located inside the hard alloy layer (4), and the hard alloy layer (4) is connected with the tool bit main body (3) in a welding mode.

3. A high strength welded hard industrial tool according to claim 2, characterized in that: the hard alloy layer (4) comprises a mounting section (8) and a cutting section (9), the mounting section (8) and the cutting section (9) are of an integral structure, anti-skid grains (81) are arranged on the outer portion of the upper end of the mounting section (8), a plurality of anti-skid grains (81) are arranged on the outer portion of the upper end of the mounting section (8), and the cutting section (9) comprises a cutting threading groove (91) and a chip discharge groove (92).

4. A high strength welded hard industrial tool according to claim 1, characterized in that: fixing columns (54) are arranged on two sides above the nut sleeve (5), one ends of the fixing columns (54) extend into the fixing groove (23), and first threaded holes (541) are formed in the fixing columns (54).

5. A high strength welded hard industrial tool according to claim 1, characterized in that: the connecting body (21) is connected with the connecting sleeve (51) through threads.

6. A high strength welded hard industrial tool according to claim 1, characterized in that: the spring chuck (6) is in clearance connection with the nut sleeve (5).