CN217142359U

CN217142359U - Angle-adjustable cutting tool

Info

Publication number: CN217142359U
Application number: CN202220744061.9U
Authority: CN
Inventors: 周天宏
Original assignee: Chongqing Fubang Tool Manufacturing Co ltd
Current assignee: Chongqing Fubang Tool Manufacturing Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-08-09
Anticipated expiration: 2032-04-01

Abstract

The utility model relates to the technical field of numerical control cutters, and discloses an angle-adjustable cutting tool, which comprises an integrally formed cutter bar, a cutter head, a blade, a rotating mechanism for adjusting the angle of the blade, and an ejecting mechanism for ejecting the rotating mechanism; pop-up mechanism sets up in the inside chamber groove of tool bit and be fixed in the first spring of chamber inslot portion including the symmetry, the top of first spring is connected with the connecting plate, and the top of connecting plate installs the ejector pad, the ejector pad with rotary mechanism's bottom is contradicted, rotary mechanism is including setting up in the mounting groove on the tool bit and locating the rotatory piece in the mounting groove, the utility model discloses a pop-up mechanism can be with rotatory piece by jacking in the mounting groove to realize the quick dismantlement of rotatory piece, so that the change of rotatory piece, the effectual change efficiency that improves rotatory piece can ensure the stable installation of rotatory piece, help realizing the stable regulation and the use of blade.

Description

Angle-adjustable cutting tool

Technical Field

The utility model belongs to the technical field of the numerical control cutter, concretely relates to but angle regulation's cutting tool.

Background

A numerical control tool is a tool used for cutting machining in machine manufacturing, and is also called a cutting tool. Cutting tools in a broad sense include both cutting tools and abrasive tools; meanwhile, the numerical control cutter comprises accessories such as a cutter bar, a cutter handle and the like besides the cutting blade. But current angle regulation's cutting tool can not realize the quick dismantlement of rotatory piece, the change of the rotatory piece of being not convenient for, lead to the change inefficiency of rotatory piece, influence the stable regulation and the use of blade, in addition, can not be spacing with the joint between rotatory piece and the tool bit, poor stability when leading to rotatory piece installation, the skew takes place easily, still need follow-up fine setting, complex operation, and precision when causing the installation of rotatory piece is low, the accurate regulation of blade angle of being not convenient for.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an angle-adjustable's cutting tool to the quick dismantlement of the rotatory piece can not be realized that proposes in solving above-mentioned background art, the change of the rotatory piece of being not convenient for, it is spacing not to be able to be with the joint between rotatory piece and the tool bit in addition, poor stability when leading to rotatory piece installation, the problem of the accurate regulation of the blade angle of being not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: a cutting tool with an adjustable angle comprises a cutter bar, a cutter head, a blade, a rotating mechanism and an ejecting mechanism, wherein the cutter bar and the cutter head are integrally formed; the ejection mechanism comprises a cavity groove symmetrically formed in the tool bit and a first spring fixed in the cavity groove, the top end of the first spring is connected with a connecting plate, a push block is installed at the top end of the connecting plate, and the push block is abutted to the bottom of the rotating mechanism.

Preferably, rotary mechanism is including offering the mounting groove on the tool bit and locating the rotatory piece in the mounting groove, the centre spiro union of rotatory piece has locking screw, and the bottom of rotatory piece installs the sliding block, seted up spiro union hole and sliding tray in the mounting groove, and spiro union hole and sliding tray respectively with locking screw and sliding tray phase-match, still offer the sword groove that is used for installing the blade on the rotatory piece.

Preferably, still include positioning mechanism, positioning mechanism is including installing in the inserted block of rotatory piece one side and offering slot and the spacing groove on the tool bit, slot and inserted block phase-match, and slot and spacing groove intercommunication, the inside fretwork of inserted block is formed with the cavity, and is fixed with the second spring in the cavity, the one end of second spring is connected with the fly leaf, and installs the joint piece in one side of fly leaf, the joint groove that the equidistance distributes is seted up to the inner wall of spacing groove, and joint groove and joint piece phase-match.

Preferably, the positioning mechanism further comprises a guide assembly, the guide assembly comprises guide blocks mounted at two ends of the movable plate and guide grooves formed in two sides of the inner wall of the cavity, and the guide grooves are in sliding fit with the guide blocks.

Preferably, the rotating block is fan-shaped, and the bottom of the rotating block is symmetrically provided with grooves matched with the pushing block.

Preferably, the opposite angles of one end of the insertion block, which is far away from the rotating block, are all transited by arc chamfers to form an arc part with a smooth surface wall.

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

(1) the utility model discloses an ejection mechanism can be with rotatory piece by jacking in the mounting groove to realize the quick dismantlement of rotatory piece, so that the change of rotatory piece, effectual change efficiency that has improved rotatory piece can ensure the stable installation of rotatory piece, helps realizing the stable regulation and the use of blade.

(2) The utility model discloses a positioning mechanism can be spacing with the joint between rotatory piece and the tool bit to effectual stability when having increased rotatory piece installation can prevent that rotatory piece from taking place the skew, need not follow-up fine setting, great improvement the precision when rotatory piece is installed, help realizing the accurate regulation of blade angle, the further machining of the work piece of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an external view of the present invention;

fig. 3 is a top view of the rotary block of the present invention after being disassembled;

fig. 4 is a top view of the rotating block of the present invention;

fig. 5 is a bottom view of the rotating block of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 1;

FIG. 7 is an enlarged view of FIG. 1 at B;

FIG. 8 is an enlarged view at C in FIG. 2;

FIG. 9 is an enlarged view of FIG. 2 at D;

in the figure: 1. a cutter bar; 2. a cutter head; 3. a blade; 4. rotating the block; 5. a sliding groove; 6. a push block; 7. screwing holes; 8. mounting grooves; 9. a slot; 10. inserting a block; 11. a clamping block; 12. locking the screw; 13. a cutter groove; 14. a groove; 15. a slider; 16. a cavity groove; 17. a first spring; 18. a connecting plate; 19. a second spring; 20. a limiting groove; 21. a guide groove; 22. a guide block; 23. a movable plate; 24. a clamping 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. 1-9, the present invention provides the following technical solutions: a cutting tool with an adjustable angle comprises a cutter bar 1, a cutter head 2, a blade 3, a rotating mechanism and an ejecting mechanism, wherein the cutter bar and the cutter head are integrally formed;

the rotating mechanism comprises a mounting groove 8 arranged on the tool bit 2 and a rotating block 4 arranged in the mounting groove 8, a locking screw 12 is screwed in the middle of the rotating block 4, a sliding block 15 is arranged at the bottom of the rotating block 4, a screwing hole 7 and a sliding groove 5 are formed in the mounting groove 8, the screwing hole 7 and the sliding groove 5 are respectively matched with the locking screw 12 and the sliding block 15, and a cutter groove 13 for mounting the blade 3 is further formed in the rotating block 4;

the ejection mechanism comprises a cavity groove 16 symmetrically formed in the tool bit 2 and a first spring 17 fixed in the cavity groove 16, the top end of the first spring 17 is connected with a connecting plate 18, a push block 6 is mounted at the top end of the connecting plate 18, and the push block 6 is abutted to the bottom of the rotating mechanism.

When the cutting tool is used, a worker can firstly install the blade 3 in the tool slot 13 through a screw, then place the rotating block 4 in the installation groove 8, and screw the locking screw 12 into the screwed hole 7 to fasten the rotating block 4, at the moment, the rotating block 4 presses the push block 6 downwards, so that the push block 6 compresses the first spring 17, the first spring 17 is contracted, and therefore the installation of the blade 3 is realized, and then the worker clamps the tool on a numerical control machine tool through the tool bar 1 and cuts a workpiece through the blade 3 on the tool bit 2;

when the blade 3 is used, when the angle of the blade 3 needs to be adjusted, a worker can unscrew the locking screw 12 from the threaded hole 7, push the rotating block 4 along the mounting groove 8, enable the sliding block 15 to slide along the sliding groove 5, and rotate the rotating block 4, at the moment, the blade 3 rotates along with the rotation of the rotating block 4 until the blade 3 rotates to a required angle, and then the worker unscrews the locking screw 12 into the threaded hole 7 to fasten the rotating block 4, so that the angle adjustment of the blade 3 is realized, and the cutting processing of a workpiece is facilitated;

in addition, when rotatory piece 4 dismantles, the workman will be earlier with locking screw 12 by screw thread hole 7 in back-and-forth motion, this moment, rotatory piece 4 loses the restriction, then first spring 17 drives ejector pad 6 rebound under its self elasticity performance's effect, ejector pad 6 is with rotatory piece 4 by upwards jacking in mounting groove 8 afterwards, make rotatory piece 4 and mounting groove 8 separation, then the workman will rotate piece 4 by mounting groove 8 take off can, with this quick dismantlement of realizing rotatory piece 4, thereby be convenient for the change of rotatory piece 4, the effectual change efficiency that improves rotatory piece 4, can ensure the stable installation of rotatory piece 4, help realizing the stable regulation and the use of blade 3.

Further, still include positioning mechanism, positioning mechanism is including installing in the inserted block 10 of 4 one sides of rotatory piece, and offer slot 9 and spacing groove 20 on tool bit 2, slot 9 and inserted block 10 phase-match, and slot 9 and spacing groove 20 intercommunication, the inside fretwork of inserted block 10 is formed with the cavity, and be fixed with second spring 19 in the cavity, second spring 19's one end is connected with fly leaf 23, and the joint piece 11 is installed to one side of fly leaf 23, equidistant distribution's joint groove 24 is seted up to spacing groove 20's inner wall, and joint groove 24 and joint piece 11 phase-match.

When the rotating block 4 is installed, the inserting block 10 is inserted into the slot 9 along with the rotating block until the inserting block 10 is inserted into the limiting groove 20, at the moment, the clamping block 11 corresponds to the clamping groove 24 and is clamped into the clamping groove 24 under the action of the second spring 19, so that the inserting block 10 and the limiting groove 20 are clamped, and therefore the limiting between the rotating block 4 and the cutter head 2 is realized, the rotating block 4 is conveniently and quickly installed, and the installation efficiency of the rotating block 4 is effectively improved;

in addition, when rotatory piece 4 is rotatory, the inserted block 10 slides along limiting groove 20 thereupon, and drive joint piece 11 and rotate, at this moment, joint piece 11 atress, and shrink under second spring 19's effect, separate with joint groove 24, until rotatory piece 4 rotates to required angle, joint piece 11 blocks under second spring 19's effect and advances rather than corresponding joint groove 24 in, it is spacing with the joint between rotatory piece 4 and the tool bit 2, thereby the effectual stability when having increased rotatory piece 4 installation, can prevent that rotatory piece 4 from taking place the skew, great improvement the precision when rotatory piece 4 installs, help realizing the accurate regulation of 3 angles of blade, further be convenient for the cutting process of work piece.

Further, the positioning mechanism further comprises a guide assembly, the guide assembly comprises guide blocks 22 mounted at two ends of the movable plate 23 and guide grooves 21 formed in two sides of the inner wall of the cavity, and the guide grooves 21 are in sliding fit with the guide blocks 22.

When the second spring 19 drives the movable plate 23 to move along the cavity, the guide block 22 slides along the guide groove 21 to guide and limit the movable plate 23, so that the movable plate 23 can stably move, and the second spring 19 drives the clamping block 11 to stably extend and retract through the movable plate 23.

Further, rotatory piece 4 is fan-shaped, and the bottom symmetry of rotatory piece 4 seted up with ejector pad 6 assorted recess 14, through the grafting of ejector pad 6 and recess 14, stability when can increase the contact between ejector pad 6 and the rotatory piece 4 to the stable jacking of rotatory piece 4.

Furthermore, the opposite angles of one end of the insertion block 10 far away from the rotating block 4 are all transited by arc chamfers to form an arc part with a smooth surface wall, so that the insertion block 10 can be conveniently and quickly inserted into the slot 9, and the rotating block 4 can be further conveniently and quickly positioned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An angle adjustable cutting tool, characterized by: the cutter comprises a cutter bar (1), a cutter head (2), a blade (3), a rotating mechanism for adjusting the angle of the blade (3) and an ejecting mechanism for ejecting the rotating mechanism, wherein the cutter bar and the cutter head are integrally formed; the ejection mechanism comprises a cavity groove (16) symmetrically formed in the tool bit (2) and a first spring (17) fixed in the cavity groove (16), a connecting plate (18) is connected to the top end of the first spring (17), a push block (6) is installed on the top end of the connecting plate (18), and the push block (6) is abutted to the bottom of the rotating mechanism.

2. An adjustable angle cutting tool according to claim 1, wherein: rotary mechanism is including offering mounting groove (8) on tool bit (2) and locating rotatory piece (4) in mounting groove (8), the centre spiro union of rotatory piece (4) has locking screw (12), and the bottom of rotatory piece (4) installs sliding block (15), it connects hole (7) and sliding tray (5) to open in mounting groove (8), and the spiro union connects hole (7) and sliding tray (5) respectively with locking screw (12) and sliding block (15) phase-match, still offer sword groove (13) that are used for installing blade (3) on rotatory piece (4).

3. An adjustable angle cutting tool according to claim 1, wherein: still include positioning mechanism, positioning mechanism is including installing in inserted block (10) of rotatory piece (4) one side and offer slot (9) and spacing groove (20) on tool bit (2), slot (9) and inserted block (10) phase-match, and slot (9) and spacing groove (20) intercommunication, the inside fretwork of inserted block (10) is formed with the cavity, and is fixed with second spring (19) in the cavity, the one end of second spring (19) is connected with fly leaf (23), and installs joint piece (11) in one side of fly leaf (23), joint groove (24) that the equidistance distributes are seted up to the inner wall of spacing groove (20), and joint groove (24) and joint piece (11) phase-match.

4. An adjustable angle cutting tool according to claim 3, wherein: the positioning mechanism further comprises a guide assembly, the guide assembly comprises guide blocks (22) installed at two ends of the movable plate (23) and guide grooves (21) formed in two sides of the inner wall of the cavity, and the guide grooves (21) are in sliding fit with the guide blocks (22).

5. An adjustable angle cutting tool according to claim 2, wherein: the rotating block (4) is fan-shaped, and grooves (14) matched with the push block (6) are symmetrically formed in the bottom of the rotating block (4).

6. An adjustable angle cutting tool according to claim 3, wherein: the opposite angles of one end of the inserting block (10) far away from the rotating block (4) are in arc chamfer transition to form an arc part with smooth surface wall.