CN212526091U

CN212526091U - Precision cutter for machining precision round hole

Info

Publication number: CN212526091U
Application number: CN202021184907.5U
Authority: CN
Inventors: 孔樱子
Original assignee: Kunshan Weiona Precision Machinery Co ltd
Current assignee: Kunshan Weiona Precision Machinery Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-12
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses an accurate cutter for processing accurate round hole, including knife tip, base and change structure, the inside one side of base is provided with mounting structure, one side of mounting structure is provided with the sword shell, the inside of sword shell is provided with changes the structure, it includes spring, movable rod, preformed hole and mounting groove to change the structure, and one side of movable rod and one side swing joint of knife tip, the one side of changing the structure is provided with the knife tip, the lateral wall of knife tip is provided with protection architecture. The utility model discloses a be provided with the change structure, aim at one side of knife tip during the use the mounting groove and inwards impel, the spring receives the folding of extrusion force drive dead lever when inwards impelling, and when impelling the position of preformed hole, the spring resets and drives stretching out of dead lever for the knife tip block accomplishes the installation of knife tip in the inside of shell, and it is more convenient to use, has effectively improved the convenience of this cutter.

Description

Precision cutter for machining precision round hole

Technical Field

The utility model relates to a precision cutting tool technical field specifically is a precision cutting tool for processing accurate round hole.

Background

With the continuous progress of the continuous development of national economy and science and technology, China also develops better and better in the machining and manufacturing industry, and various parts of different types are machined, wherein matched cutters such as milling cutters, boring cutters and the like are used for machining the cutters more accurately, and matched precise cutters are also used for machining precise round holes on the parts;

however, since the conventional precision cutting tools for machining precision round holes are inconvenient to replace when the tool bits are worn with the increase of service time, a precision cutting tool for machining precision round holes has been developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a precision cutting tool for processing accurate round hole to the problem of the change knife tip of being not convenient for that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a precision cutter for processing accurate round hole, includes knife tip, base and change structure, the inside one side of base is provided with mounting structure, one side of mounting structure is provided with the sword shell, the inside of sword shell is provided with changes the structure, it includes spring, movable rod, preformed hole and mounting groove to change the structure, the mounting groove sets up in the both ends of knife tip one side, the inside of mounting groove all is fixed with the spring, the top of spring is fixed with the movable rod, and one side of movable rod and one side swing joint of knife tip, the one side of changing the structure is provided with the knife tip, the lateral wall of knife tip is provided with protection architecture.

Preferably, the mounting groove penetrates through two ends of one side of the knife shell, and a clamping structure is formed between the mounting groove and the movable rod.

Preferably, the protection structure comprises a fixed rod, a slip sheet, a pull rope, a hanging rod and a leather sheath, wherein the leather sheath is movable on the outer side wall of the cutter point, the hanging rod is fixed on one side of the top end of the leather sheath, the fixed rod is fixed on one side of the top end of the cutter shell, and the pull rope is movable between the fixed rod and the hanging rod.

Preferably, the top and the bottom of the leather sheath are both fixed with sliding sheets, and the sliding sheets are symmetrically distributed about the central axis of the leather sheath.

Preferably, the mounting structure includes draw-in groove, spacing groove, bull stick, stopper, the draw-in groove sets up in the inside one side of base, and the inside activity of draw-in groove has the sword shell, the spacing groove evenly sets up in bottom, top and both ends of sword shell one side, the inside of spacing groove all moves about has the stopper, the top of stopper is fixed with the bull stick, and bull stick one side extends to one side of base.

Preferably, the outer side wall of the rotating rod is uniformly provided with external threads, the bottom end, the top end and the two ends inside the base are provided with internal threads, and a thread rotating structure is formed between the rotating rod and the base.

Compared with the prior art, the beneficial effects of the utility model are that: the precision cutter for machining the precision round hole not only realizes the convenience of replacing the cutter head, but also realizes the protection of the cutter point and the convenience of installing the cutter;

(1) the replacement structure is arranged on one side of the cutter point, so that when the cutter point is used, one side of the cutter point is aligned to the mounting groove and pushed inwards, the spring is driven by extrusion force to fold the fixing rod when pushed inwards, and when the spring is pushed to the position of the reserved hole, the spring is reset to drive the fixing rod to stretch, so that the cutter point is clamped in the shell, the installation of the cutter point is completed, the cutter point is more convenient to use, and the convenience of the cutter is effectively improved;

(2) the outer side wall of the cutter point is provided with the protection structure, so that the cutter can be unfolded by pulling the leather sheath with hands when not in use, and then the leather sheath is driven to slide to one side of the cutter point by sliding the sliding sheet on the cutter point, so that the position where the cutter point is sharp is sleeved to protect the leather sheath, rust is effectively prevented, and dust falling is reduced;

(3) through the inside at the base be provided with mounting structure, insert the rotor rod of holding about from top to bottom in proper order with the sword shell and rotate and can drive the stopper and move down, change over to the spacing groove with the stopper in, can fix the sword shell in the inside of base and use, it is simple convenient, the practicality of this cutter of effectual improvement.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a side view of the mounting structure of the present invention;

fig. 3 is a schematic front view of the protection structure of the present invention;

fig. 4 is a schematic side view of the line concentration structure of the present invention.

In the figure: 1. a knife tip; 2. a protective structure; 201. fixing the rod; 202. sliding blades; 203. pulling a rope; 204. a hanging rod; 205. a leather sheath; 3. a mounting structure; 301. a card slot; 302. a limiting groove; 303. a rotating rod; 304. a limiting block; 4. a base; 5. a knife housing; 6. replacing the structure; 601. a spring; 602. a movable rod; 603. reserving a hole; 604. and (4) mounting the groove.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a precision cutter for machining precision round holes comprises a cutter point 1, a base 4 and a replacing structure 6, wherein a mounting structure 3 is arranged on one side inside the base 4;

the mounting structure 3 comprises a clamping groove 301, a limiting groove 302, a rotating rod 303 and a limiting block 304, wherein the clamping groove 301 is arranged on one side inside the base 4, a knife shell 5 is arranged in the clamping groove 301 in a movable mode, the limiting groove 302 is uniformly arranged at the bottom end, the top end and two ends of one side of the knife shell 5, the limiting block 304 is movably arranged in the limiting groove 302, the rotating rod 303 is fixed at the top end of the limiting block 304, one side of the rotating rod 303 extends to one side of the base 4, external threads are uniformly arranged on the outer side wall of the rotating rod 303, internal threads are arranged at the bottom end, the top end and two ends inside the base 4, and a thread rotating structure is formed between the rotating;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, the knife shell 5 is inserted into the base 4 until the knife shell 5 is clamped into the clamping groove 301, then the four rotating rods 303 are sequentially held to rotate to drive the limiting block 304 to move downwards until the limiting block 304 rotates into the limiting groove 302, so that the knife shell 5 can be fixed inside the base 4, when disassembly is required, the rotating rods 303 are reversely rotated to drive the limiting block 304 to be separated from the limiting groove 302, and then the knife shell 5 is pulled to one side, so that the knife shell 5 can be separated from the base 4, the use is simple and convenient, and the practicability of the knife is effectively improved;

a knife shell 5 is arranged on one side of the mounting structure 3, a replacing structure 6 is arranged inside the knife shell 5, the replacing structure 6 comprises a spring 601, a movable rod 602, a preformed hole 603 and a mounting groove 604, the mounting grooves 604 are arranged at two ends of one side of the knife tip 1, the spring 601 is fixed inside the mounting groove 604, the movable rod 602 is fixed at the top end of the spring 601, one side of the movable rod 602 is movably connected with one side of the knife tip 1, the mounting groove 604 penetrates through two ends of one side of the knife shell 5, and a clamping structure is formed between the mounting groove 604 and the movable rod 602;

specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, before the tool is used, one side of the tool nose 1 is aligned with the mounting groove 604 and pushed inwards, when the tool nose is pushed inwards, the spring 601 is pressed to drive the movable rod 602 to fold, and when the tool nose is pushed to the position of the reserved hole 603, the spring 601 is reset to drive the movable rod 602 to stretch, so that the tool nose 1 is clamped in the tool housing 5, the mounting of the tool nose 1 is completed, and the tool nose 1 can be used;

one side of the replacing structure 6 is provided with a tool nose 1, and the outer side wall of the tool nose 1 is provided with a protecting structure 2; the protection structure 2 comprises a fixed rod 201, a slip sheet 202, a pull rope 203, a hanging rod 204 and a leather sheath 205, wherein the leather sheath 205 is movable on the outer side wall of the cutter point 1, the hanging rod 204 is fixed on one side of the top end of the leather sheath 205, the fixed rod 201 is fixed on one side of the top end of the cutter shell 5, the pull rope 203 is movable between the fixed rod 201 and the hanging rod 204, the slip sheet 202 is fixed on the top end and the bottom end inside the leather sheath 205, and the slip sheets 202 are symmetrically distributed about the central axis of the leather sheath 205;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, when a tool is used, the leather sheath 205 is held by hand and pulled to one side, so that the leather sheath 205 is accumulated and piled to one side, the pull rope 203 is installed on the fixed rod 201 and the hanging rod 204 to fix the leather sheath 205, the tool is used, after the use is finished, the leather sheath 205 can be pulled by hand again to be unfolded, then the sliding of the sliding sheet 202 on the knife tip 1 drives the leather sheath 205 to slide to one side of the knife tip 1, the sharp position of the knife tip 1 is protected, and rusting is effectively prevented and dust falling is reduced.

The working principle is as follows: when the tool is used, firstly, the tool is arranged inside the base 4, the tool case 5 is clamped into the clamping groove 301, then the four rotating rods 303 are sequentially held to rotate, the limiting block 304 is driven to move downwards until the limiting block 304 rotates into the limiting groove 302, and then the tool case 5 can be fixed inside the base 4;

secondly, the leather sheath 205 is pulled to one side, so that the leather sheath 205 is accumulated on one side, the leather sheath 205 can be fixed to expose the knife tip 1 by installing the pull rope 203 on the fixed rod 201 and the hanging rod 204, the punching of the knife can be carried out, and after the punching is finished, the leather sheath 205 can be driven to slide to one side of the knife tip 1 by the sliding of the sliding sheet 202 on the knife tip 1, so that the sharp position of the knife tip 1 is protected;

finally, when the knife tip 1 needs to be replaced for use, the movable rods 602 protruding from the preformed holes 603 at the upper end and the lower end are pressed together, after the knife tip 1 is held to rotate ninety degrees, the knife tip 1 is pulled to one side, the knife tip 1 can be separated from the knife shell 5, a new knife tip 1 is taken out, one side of the knife tip 1 is aligned with the installation groove 604 to be pushed inwards, the spring 601 is pressed by extrusion force to drive the movable rods 602 to be folded when the knife tip 1 is pushed inwards, and when the knife tip 1 is pushed to the position of the preformed holes 603, the spring 601 resets to drive the movable rods 602 to be stretched, so that the knife tip 1 is clamped in the knife shell 5, the installation of the knife tip 1 is completed, and the work of the knife tip 1 is finally completed.

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 precision cutting tool for processing accurate round hole, includes knife tip (1), base (4) and change structure (6), its characterized in that: base (4) inside one side is provided with mounting structure (3), one side of mounting structure (3) is provided with sword shell (5), the inside of sword shell (5) is provided with changes structure (6), it includes spring (601), movable rod (602), preformed hole (603) and mounting groove (604) to change structure (6), mounting groove (604) set up in the both ends of knife tip (1) one side, the inside of mounting groove (604) all is fixed with spring (601), the top of spring (601) is fixed with movable rod (602), and one side of movable rod (602) and one side swing joint of knife tip (1), the one side of changing structure (6) is provided with knife tip (1), the lateral wall of knife tip (1) is provided with protective structure (2).

2. A precision tool for machining precision round holes according to claim 1, wherein: the mounting groove (604) runs through two ends of one side of the knife shell (5), and a clamping structure is formed between the mounting groove (604) and the movable rod (602).

3. A precision tool for machining precision round holes according to claim 1, wherein: protection architecture (2) are including dead lever (201), gleitbretter (202), stay cord (203), peg (204) and leather sheath (205), leather sheath (205) activity is in the lateral wall of knife tip (1), one side on the top of leather sheath (205) is fixed with peg (204), dead lever (201) are fixed in one side on knife case (5) top, the activity has stay cord (203) between dead lever (201) and peg (204).

4. A precision tool for machining precision round holes according to claim 3, wherein: slip sheets (202) are fixed to the top end and the bottom end of the inner portion of the leather sheath (205), and the slip sheets (202) are symmetrically distributed about the central axis of the leather sheath (205).

5. A precision tool for machining precision round holes according to claim 1, wherein: mounting structure (3) include draw-in groove (301), spacing groove (302), bull stick (303), stopper (304), draw-in groove (301) set up in the inside one side of base (4), and the inside activity of draw-in groove (301) has sword shell (5), spacing groove (302) evenly set up in bottom, top and both ends of sword shell (5) one side, the inside of spacing groove (302) all moves about there is stopper (304), the top of stopper (304) is fixed with bull stick (303), and bull stick (303) one side extends to one side of base (4).

6. A precision tool for machining precision round holes according to claim 5, wherein: the outer side wall of the rotating rod (303) is uniformly provided with external threads, the bottom end, the top end and the two ends inside the base (4) are provided with internal threads, and a thread rotating structure is formed between the rotating rod (303) and the base (4).