CN218946491U

CN218946491U - Displacement-adjustable cutting knife

Info

Publication number: CN218946491U
Application number: CN202221245878.8U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Slite Zhuhai Technology Co ltd
Current assignee: Slite Zhuhai Technology Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2023-05-02
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a displacement adjustable cutting knife which comprises a knife rest assembly, a knife head assembly and a connecting piece used for connecting and installing the knife head assembly and the knife rest assembly; the tool bit assembly comprises a fixed seat, a second knob and a third knob which are arranged on the fixed seat, the fixed seat is connected with the connecting piece, the tail end of the second knob is propped against the connecting piece and is used for locking the connection of the connecting piece and the fixed seat, and the third knob is in threaded connection with the connecting piece and is used for adjusting the axial movement of the fixed seat relative to the connecting piece along the third knob. The displacement-adjustable cutting knife is simple in structure, the knife head assembly can displace relative to the knife seat under the matching action of the second knob and the third knob, so that small displacement adjustment is conveniently and rapidly carried out on the cutting knife, correction time is saved, and production and processing efficiency is improved.

Description

Displacement-adjustable cutting knife

Technical Field

The utility model relates to the technical field of cutting knives, and particularly discloses a displacement-adjustable cutting knife.

Background

The cutting knife is a processing tool commonly used in material processing, and most of existing cutting knives are clamped on cutting equipment at present. Before cutting a material, a whole cutting blade needs to be moved to correct the cutting position of the cutting blade, but the correction mode is not applicable to the adjustment of a tiny distance, so that the micro displacement adjustment of the cutting blade is difficult to quickly perform, the required time cost is high, and the production and the processing are not facilitated.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a displacement-adjustable cutting knife.

In order to achieve the above purpose, the displacement adjustable cutting knife comprises a knife rest, a knife head assembly and a connecting piece for connecting and installing the knife head assembly and the knife rest; the tool bit assembly comprises a fixed seat, a second knob and a third knob which are arranged on the fixed seat, the fixed seat is connected with the connecting piece, the tail end of the second knob is propped against the connecting piece and is used for locking the connection of the connecting piece and the fixed seat, and the third knob is in threaded connection with the connecting piece and is used for adjusting the axial movement of the fixed seat relative to the connecting piece along the third knob.

Specifically, the tool bit assembly further comprises a blade, a mounting block and a limiting piece, the blade is mounted on the mounting block, the mounting block is connected to one end of the fixing base through a bolt, and the limiting piece is connected to the fixing base through a first knob and clamps the blade and the mounting block with the fixing base.

Specifically, the fixing base is provided with a first dovetail groove, the connecting piece is provided with a first dovetail structure, the first dovetail groove is used for accommodating the first dovetail structure, the second knob penetrates through the groove wall of one side of the first dovetail groove, and the third knob is in threaded connection with the first dovetail structure.

Specifically, the tool bit assembly further comprises an auxiliary plate, the auxiliary plate is fixedly connected to the fixing base, and the third knob is mounted on the auxiliary plate in a limiting mode and penetrates through the auxiliary plate.

Specifically, the tool bit assembly further comprises a fourth knob which is connected to the second knob in a threaded manner and used for locking the second knob.

Specifically, one end of the fixing base connected with the mounting block is provided with a plurality of positioning holes, the positioning holes are distributed in an arc shape by taking the rotating shaft of the bolt as the center of a circle, and each positioning hole corresponds to different deflection angles.

Specifically, the one side that the installation piece kept away from the blade is provided with the reference column, and the axle center of reference column skew axle center setting of bolt, reference column insert the locating hole in order to fix a position the deflection angle of blade.

Specifically, the tool apron is provided with a second dovetail structure, the connecting piece is provided with a second dovetail groove, and the second dovetail structure is accommodated in the second dovetail groove.

Specifically, the tool bit assembly further comprises a tool cover, and the tool cover is mounted on the fixing seat and used for shielding and protecting the blades.

Specifically, the tool bit assembly further comprises an inserting piece, wherein the inserting piece is arranged on one side, away from the second knob, of the fixing seat and is used for inserting an air pipe of the tool holder.

The utility model has the beneficial effects that: the displacement adjustable type cutting knife comprises a knife holder, a knife head assembly, a connecting piece, a second knob and a third knob, wherein the second knob and the third knob are arranged on a fixed seat. In practical application, the second knob can be unscrewed, the second knob can be loosened to lock the cutter holder connecting piece, the third knob can be screwed clockwise or anticlockwise according to practical conditions, so that the fixing base can slightly displace relative to the cutter holder connecting piece, the cutter blade is driven to move to a cutting position, then the second knob is screwed, and the cutter holder connecting piece is locked to be connected with the fixing base, so that the position of the cutting knife can be corrected. The displacement-adjustable cutting knife is simple in structure, the knife head assembly can displace relative to the knife seat under the matching action of the second knob and the third knob, so that small displacement adjustment is conveniently and rapidly carried out on the cutting knife, correction time is saved, and production and processing efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic front view of a tool bit assembly of the present utility model;

FIG. 3 is a schematic view of a first cross-sectional configuration of a tool bit assembly of the present utility model;

fig. 4 is a schematic view of a second cross-sectional structure of the tool bit assembly of the present utility model.

The reference numerals include:

1-tool apron 2-tool bit assembly 3-connecting piece

11-second dovetail Structure 20-fourth knob 201-bolt

202-plug connector 21-fixing seat 211-first dovetail groove

212-positioning hole 22-second knob 23-third knob

24-blade 25-mounting block 251-positioning column

26-stopper 27-auxiliary plate 28-first knob

29-blade cover 31-first dovetail configuration 32-second dovetail slot.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Referring to fig. 1 to 4, the displacement adjustable cutting knife of the present utility model includes a knife holder 1, a knife head assembly 2, and a connecting piece 3 for connecting and installing the knife head assembly 2 and the knife holder 1; the tool bit assembly 2 comprises a fixed seat 21, a second knob 22 and a third knob 23 which are arranged on the fixed seat 21, the fixed seat 21 is connected with the connecting piece 3, the tail end of the second knob 22 is abutted against the connecting piece 3 and used for locking the connection of the connecting piece 3 and the fixed seat 21, and the third knob 23 is in threaded connection with the connecting piece 3 and used for adjusting the axial movement of the fixed seat 21 relative to the connecting piece 3 along the third knob 23. When the second knob 22 is screwed clockwise, the second knob 22 props against the connecting piece 3 and slowly locks the connecting piece 3 on the fixing seat 21, and the third knob 23 cannot be screwed at the moment; when the second knob 22 is screwed counterclockwise, the second knob 22 slowly releases the locking of the connecting member 3, and the third knob 23 can be screwed at this time. The third knob 23 is screwed clockwise, and the fixing seat 21 moves forward relative to the connecting piece 3; the third knob 23 is screwed counterclockwise, and the fixing base 21 moves reversely relative to the connecting piece 3.

Referring to fig. 2, the cutter head assembly 2 further includes a blade 24, a mounting block 25, and a limiting member 26, wherein the blade 24 is mounted on the mounting block 25, the mounting block 25 is connected to one end of the fixing base 21 through a bolt 201, the bolt 201 is locked through a nut, and the limiting member 26 is connected to the fixing base 21 through a first knob 28 and clamps the blade 24 and the mounting block 25 with the fixing base 21.

Referring to fig. 3, the fixing base 21 is provided with a first dovetail groove 211, the connecting piece 3 is provided with a first dovetail structure 31, the first dovetail groove 211 is used for accommodating the first dovetail structure 31, a side wall of the first dovetail groove 211 is provided with a screw socket, the second knob 22 is screwed into the screw socket and penetrates through a groove wall of the first dovetail groove 211, the first dovetail structure 31 is provided with a limit groove, a tail of the second knob 22 is abutted against a bottom wall of the limit groove, and the third knob 23 is screwed into the first dovetail structure 31.

Referring to fig. 2 and 4, the tool bit assembly 2 further includes an auxiliary plate 27, the auxiliary plate 27 is fixedly connected to the fixing base 21, and the third knob 23 is mounted on the auxiliary plate 27 in a limited manner and penetrates through the auxiliary plate 27. The auxiliary plate 27 is separately arranged with the fixing seat 21, and the third knob 23 is installed by using the auxiliary plate 27, so that the structure of the fixing seat 21 can be simplified, and the production of the fixing seat 21 is facilitated. The end of the third knob 23 close to the head is provided with a limit groove, the auxiliary plate 27 is clamped into the limit groove, and then the washer props against the auxiliary plate 27, so that the third knob 23 can rotate relative to the auxiliary plate 27 but cannot move along the axial direction of the third knob 23.

Referring to fig. 3, the tool bit assembly 2 further includes a fourth knob 20, and the fourth knob 20 is screwed onto the second knob 22 and is used for locking the second knob 22. The function of the fourth knob 20 is equal to that of a nut, so that the second knob 22 is locked on the fixed seat 21, and the second knob 22 can be screwed only by screwing the fourth knob 20 to release the locking action of the fourth knob 20 on the second knob 22. The fourth knob 20 can further strengthen the locking action of the second knob 22 on the tool apron connecting piece 3, so that the second knob 22 is prevented from being loosened due to vibration during cutting, and the third knob 23 drives the fixing seat 21 and the blade 24 to displace, and the cutting quality of materials is further affected.

Referring to fig. 3, a plurality of positioning holes 212 are provided at one end of the fixing base 21 connected to the mounting block 25, the positioning holes 212 are arranged in an arc shape with the rotation axis of the bolt 201 as the center of a circle, and each positioning hole 212 corresponds to a different deflection angle. The deflection angle of the tip and the axis of the bolt 201 is 0 ° when the blade 24 is horizontally mounted, and in this embodiment, the deflection angles corresponding to the plurality of positioning holes 212 are 25 °, 35 °, and 45 °.

Referring to fig. 2, a positioning column 251 is disposed on a surface of the mounting block 25 away from the blade 24, the axis of the positioning column 251 is offset from the axis of the bolt 201, and the positioning column 251 is inserted into the positioning hole 212 to position the deflection angle of the blade 24. The positioning column 251 is hollow and provided with a small hole at the end, the positioning column 251 is provided with a spring and a marble, and the spring props against the marble to enable the marble to slightly protrude out of the small hole.

In practical application, the deflection angle of the blade 24 can be adjusted according to the practical cutting requirement of the material, at this time, a worker is required to twist the first knob 28, so that the fixing seat 21 and the limiting piece 26 loose the clamping of the blade 24 and the mounting block 25, then the nut is screwed by a tool, the bolt 201 rotates along with the nut, so that the mounting block 25 deflects to drive the blade 24 to deflect, when the blade 24 deflects to a required angle, the positioning column 251 reaches the corresponding positioning hole 212, the spring ejects the marble by utilizing elasticity, and the part of the marble protruding from the small hole is immersed into the positioning hole 212, so that the adjustment of the deflection angle of the blade 24 is realized.

Referring to fig. 1 to 2, the tool holder 1 is provided with a second dovetail structure 11, the connecting member 3 is provided with a second dovetail groove 32, and the second dovetail structure 11 is accommodated in the second dovetail groove 32. The tool apron 1 is connected with the connecting piece 3 through a dovetail groove structure, so that the tool apron is favorable for being installed on the disassembling tool bit assembly 2, and when a cutting tool is needed instead of a cutting tool, the tool bit assembly 2 can be directly disassembled, and the tool bit of the cutting tool is installed on the tool apron 1.

Referring to fig. 1, the cutter head assembly 2 further includes a cutter cover 29, wherein the cutter cover 29 is mounted on the fixing base 21 and is used for shielding the cutter blade 24 to prevent the cutter blade 24 from injuring workers or being damaged by external objects.

Referring to fig. 1, the tool bit assembly 2 further includes a plug 202, where the plug 202 is disposed on a side of the fixing base 21 away from the second knob 22 and is used for plugging the air tube of the tool holder 1. Because blade holder 1 still can cooperate the tool bit of installation divides the cutter to use, therefore blade holder 1 is provided with the trachea that is used for connecting control divides the cutter bit, when using the cutter, the trachea can peg graft on plug connector 202, avoids trachea gas leakage and unsettled indistinct shake.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. The utility model provides a displacement adjustable cutting knife, includes blade holder (1), tool bit subassembly (2) and is used for connecting piece (3) of installation tool bit subassembly (2) and blade holder (1); the method is characterized in that: the tool bit assembly (2) comprises a fixed seat (21), a second knob (22) and a third knob (23) which are arranged on the fixed seat (21), the fixed seat (21) is connected to the connecting piece (3), the tail end of the second knob (22) is abutted against the connecting piece (3) and used for locking the connection of the connecting piece (3) and the fixed seat (21), and the third knob (23) is in threaded connection with the connecting piece (3) and used for adjusting the axial movement of the fixed seat (21) relative to the connecting piece (3) along the third knob (23).

2. The adjustable displacement cutting blade of claim 1, wherein: the tool bit assembly (2) further comprises a blade (24), a mounting block (25) and a limiting piece (26), wherein the blade (24) is mounted on the mounting block (25), the mounting block (25) is connected to one end of the fixing seat (21) through a bolt (201), and the limiting piece (26) is connected to the fixing seat (21) through a first knob (28) and clamps the blade (24) and the mounting block (25) with the fixing seat (21).

3. The adjustable displacement cutting blade of claim 1, wherein: the fixing seat (21) is provided with a first dovetail groove (211), the connecting piece (3) is provided with a first dovetail structure (31), the first dovetail groove (211) is used for accommodating the first dovetail structure (31), the second knob (22) penetrates through the groove wall on one side of the first dovetail groove (211), and the third knob (23) is in threaded connection with the first dovetail structure (31).

4. The adjustable displacement cutting blade of claim 1, wherein: the tool bit assembly (2) further comprises an auxiliary plate (27), the auxiliary plate (27) is fixedly connected to the fixed seat (21), and the third knob (23) is mounted on the auxiliary plate (27) in a limiting mode and penetrates through the auxiliary plate (27).

5. The adjustable displacement cutting blade of claim 1, wherein: the tool bit assembly (2) further comprises a fourth knob (20), and the fourth knob (20) is connected to the second knob (22) in a threaded manner and used for locking the second knob (22).

6. The adjustable displacement cutting blade of claim 2, wherein: one end of the fixing seat (21) connected with the mounting block (25) is provided with a plurality of positioning holes (212), the positioning holes (212) are distributed in an arc shape by taking the rotating shaft of the bolt (201) as the center of a circle, and each positioning hole (212) corresponds to different deflection angles.

7. The adjustable displacement cutting blade of claim 6, wherein: one surface of the mounting block (25) far away from the blade (24) is provided with a positioning column (251), the axis of the positioning column (251) is deviated from the axis of the bolt (201), and the positioning column (251) is inserted into the positioning hole (212) to position the deflection angle of the blade (24).

8. The adjustable displacement cutting blade of claim 1, wherein: the tool apron (1) is provided with a second dovetail structure (11), the connecting piece (3) is provided with a second dovetail groove (32), and the second dovetail structure (11) is accommodated in the second dovetail groove (32).

9. The adjustable displacement cutting blade of claim 1, wherein: the tool bit assembly (2) further comprises a tool cover (29), and the tool cover (29) is mounted on the fixed seat (21) and used for shielding the blades (24).

10. The adjustable displacement cutting blade of claim 1, wherein: the tool bit assembly (2) further comprises an inserting piece (202), and the inserting piece (202) is arranged on one side, far away from the second knob (22), of the fixing seat (21) and is used for inserting an air pipe of the tool apron (1).