CN216541208U

CN216541208U - Arc T-shaped cutter with replaceable cutter head

Info

Publication number: CN216541208U
Application number: CN202122607846.XU
Authority: CN
Inventors: 闫成州
Original assignee: Xuzhou Qiaonan Instrument Co ltd
Current assignee: Xuzhou Qiaonan Instrument Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-17
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses an arc T-shaped cutter with a replaceable cutter bit, and relates to the technical field of cutting tools. According to the tool bit component, the movable blocks are arranged in the inner cavity of the first through groove, the fixture blocks are arranged on the upper surfaces of the movable blocks, the thrust springs are arranged on one side surfaces, close to each other, of the two adjacent movable blocks, and the guide blocks located in the inner cavity of the guide groove are arranged on the two side surfaces of each movable block, so that the tool bit component is convenient to mount and replace, and the tool bit component is convenient to use.

Description

Arc T-shaped cutter with replaceable cutter head

Technical Field

The utility model relates to the technical field of cutting tools, in particular to an arc-shaped T-shaped tool with a replaceable tool bit.

Background

With the continuous development of economy and the continuous progress of society, powerful financial resources and technical pillars are provided for the development of industrial enterprises, so that the development of the industrial enterprises towards the direction of intellectualization, numerical control and integration is promoted. Wherein, in the numerical control processing, through installing T type sword on the main shaft of digit control machine tool, the rotation of the main shaft of digit control machine tool drives T type sword rotatory again to carry out rotary cutting to the work piece by rotatory T type sword, thereby very make things convenient for the digit control machine tool to carry out grooving processing, cut off processing etc. to the work piece, consequently, T type sword is the cutter very commonly used in the numerical control processing.

Chinese utility model with publication number CN213317746U discloses an arc T-shaped knife with replaceable knife head, relating to the technical field of cutting tools, comprising a base, a knife handle, a first fixing block, a first fixture block, a knife head mounting seat, a knife head component, a cutting edge, a threaded rod, a telescopic rod, a buffer spring, a fastening bolt, a fastening nut, a second fixture block, a connecting plate, a second fixing block, a telescopic inner rod, a telescopic outer rod, a connecting block and a compression spring. The utility model has the beneficial effects that: set up T type groove in the fixed block one, and fixture block one is T type fixture block, be convenient for carry on spacingly fixed with handle of a knife and cutter head spare, the telescopic link includes flexible interior pole and flexible outer pole, convenient to detach gets up more conveniently, all set up on tool bit mount pad and the fixture block two with fastening bolt matched with screw hole, prevent lax in the use, two inside screw holes of having seted up of fixed block, and the threaded rod cooperatees with the screw hole, be convenient for fix handle of a knife and cutter head spare, the cutter head spare is fixed on the tool bit mount pad through the welded mode, be convenient for change the cutter head spare.

However, when the tool bit component is installed and replaced, a plurality of fastening bolts and threaded rods need to be screwed by using tools, which is very inconvenient in operation. Therefore, it is necessary to provide an arc-shaped T-shaped knife with replaceable cutting head to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an arc-shaped T-shaped knife with replaceable cutting head, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an arc T-shaped knife with a replaceable knife head comprises a knife handle, wherein an installation lantern ring is movably sleeved at the upper end of the knife handle, a knife head installation seat is connected to the upper surface of the knife handle in a fitting mode, a knife head part is fixedly connected to the middle of the upper surface of the knife head installation seat, a plurality of first through grooves distributed in an equally-spaced annular array are formed in the upper surface of the installation lantern ring, movable blocks matched with the first through grooves are arranged in the inner cavities of the first through grooves, clamping blocks are fixedly connected to the upper surfaces of the movable blocks, the upper ends of the clamping blocks are obliquely arranged, a plurality of second through grooves distributed in an equally-spaced annular array are formed in the upper surface of the knife head installation seat, the second through grooves are matched with the clamping blocks, one side, away from the movable blocks, of the lower surface of each clamping block is connected with the upper surface of the knife head installation seat in a fitting mode, and thrust springs are fixedly connected to the lower ends of one side face, close to each other, of the two adjacent movable blocks, the thrust spring is arranged in an inner cavity of the first through groove, one end, far away from the movable block, of the thrust spring is fixedly connected with the inner wall of the first through groove, and a plurality of limiting sliding grooves distributed in an equidistant annular array mode are vertically formed in the upper end of the outer side wall of the knife handle.

Preferably, the inside wall fixedly connected with of the installation lantern ring is a plurality of stoppers that are equidistant annular array and distribute, the stopper be located the inner chamber of spacing spout and with spacing spout looks adaptation, the guide way has all been seted up at the both sides inner wall middle part of first logical groove.

Preferably, the equal fixedly connected with guide block of both sides face of movable block, the guide block is located the inner chamber of guide way and with guide way looks adaptation, the lower fixed surface of installation lantern ring is connected with connecting sleeve.

Preferably, the connecting sleeve is movably sleeved with the knife handle, a movable sleeve is arranged below the mounting sleeve ring, the movable sleeve is movably sleeved with the upper end of the knife handle through threads, and the lower end of the connecting sleeve is movably inserted into the upper end of the movable sleeve through a bearing.

Preferably, the middle part of the lower surface of the cutter head component is provided with a connecting groove, the middle part of the upper surface of the cutter handle is fixedly connected with a connecting block, and the upper end of the connecting block movably penetrates through the middle part of the lower surface of the cutter head mounting seat and extends to an inner cavity of the connecting groove.

Preferably, the upper surface of the head part is fixedly connected with a blade, and the lower surface of the knife handle is fixedly connected with a base.

The utility model has the technical effects and advantages that:

1. according to the tool bit mounting device, the movable blocks are arranged in the inner cavity of the first through groove, the plurality of second through grooves distributed in an equidistant annular array are formed in the upper surface of the tool bit mounting seat, the fixture blocks are arranged on the upper surfaces of the movable blocks, the thrust springs are arranged on one side surfaces, close to each other, of the two adjacent movable blocks, and the guide blocks located in the inner cavities of the guide grooves are arranged on the two side surfaces of the movable blocks, so that the tool bit mounting device is convenient to mount and replace and is convenient to use;

2. according to the utility model, the inner side wall of the mounting sleeve ring is provided with the plurality of limiting blocks which are distributed in an equidistant annular array manner, the lower end of the connecting sleeve is movably inserted with the upper end of the movable sleeve through the bearing, the movable sleeve is movably sleeved with the upper end of the knife handle through threads, and the direction of the threads between the movable sleeve and the knife handle is opposite to the rotation direction of the device, so that the device is firmer in the use process, and the loosening condition is avoided;

3. according to the utility model, the connecting groove is formed in the middle of the lower surface of the cutter head component, and the connecting block is arranged in the middle of the upper surface of the cutter handle, so that the device can be quickly positioned during installation, and the device is further convenient to use.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a schematic top-down view of the mounting collar structure of the present invention.

Fig. 3 is a schematic cross-sectional view of an installation collar structure of the present invention.

Fig. 4 is a schematic top-cut view of the structure of the head component of the present invention.

In the figure: 1. a knife handle; 2. mounting a lantern ring; 3. a tool bit mounting base; 4. a head part; 5. a first through groove; 6. a movable block; 7. a clamping block; 8. a second through groove; 9. a thrust spring; 10. a limiting chute; 11. a limiting block; 12. a guide groove; 13. a guide block; 14. a connecting sleeve; 15. a movable sleeve; 16. connecting grooves; 17. connecting blocks; 18. a blade; 19. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an arc-shaped T-shaped cutter with a replaceable cutter head, which comprises a cutter handle 1, wherein a base 19 is fixedly connected to the lower surface of the cutter handle 1, a mounting sleeve ring 2 is movably sleeved at the upper end of the cutter handle 1, a cutter head mounting seat 3 is connected to the upper surface of the cutter handle 1 in a fit manner, a cutter head part 4 is fixedly connected to the middle of the upper surface of the cutter head mounting seat 3, a connecting groove 16 is formed in the middle of the lower surface of the cutter head part 4, a connecting block 17 is fixedly connected to the middle of the upper surface of the cutter handle 1, the upper end of the connecting block 17 movably penetrates through the middle of the lower surface of the cutter head mounting seat 3 and extends to an inner cavity of the connecting groove 16, the connecting block 17 can be vertically inserted into the inner cavity of the connecting groove 16, and the cutter head part 4 can be mounted and rapidly positioned through the connecting groove 16 and the connecting block 17.

Further, the upper surface fixedly connected with cutting edge 18 of tool bit spare 4, a plurality of first logical grooves 5 that are equidistant annular array and distribute are seted up to the upper surface of the installation lantern ring 2, and the inner chamber that first logical groove 5 was provided with and first movable block 6 that leads to groove 5 looks adaptation, and movable block 6 can remove at the inner chamber that first logical groove 5, and guide way 12 has all been seted up at the both sides inner wall middle part that first logical groove 5 led to. The equal fixedly connected with guide block 13 of both sides face of movable block 6, the removal of movable block 6 can drive guide block 13 and remove in step, guide block 13 be located the inner chamber of guide way 12 and with guide way 12 looks adaptation, movable block 6 can carry out horizontal migration through guide way 12 and guide block 13, the vertical removal of the installation lantern ring 2 simultaneously can drive movable block 6 and carry out vertical removal in step.

Further, the equal fixedly connected with thrust spring 9 of a side lower extreme that two adjacent movable blocks 6 are close to each other, thrust spring 9 is located the inner chamber that first logical groove 5, thrust spring 9 keeps away from the one end of movable block 6 and the inner wall fixed connection that first logical groove 5, the removal of movable block 6 can make thrust spring 9 take place elastic deformation, the last fixed surface of movable block 6 is connected with fixture block 7, fixture block 7's removal can drive movable block 6 and remove in step, fixture block 7's upper end slope sets up, a plurality of second that are equidistant annular array and distribute are seted up to the upper surface of tool bit mount pad 3 and are led to groove 8, the second leads to groove 8 and fixture block 7 looks adaptation, thereby make tool bit part 4 at the in-process of installation, tool bit mount pad 3 can promote two adjacent fixture blocks 7 towards the direction that is close to each other.

Secondly, one side of the lower surface of the clamping block 7, which is far away from the movable block 6, is in fit connection with the upper surface of the tool bit mounting seat 3, after connecting block 17 inserts completely, thrust spring 9 can be through replying the power that deformation produced, promote movable block 6 and reset, the vertical spacing spout 10 of seting up a plurality of equidistant annular array distributions that are in the lateral wall upper end of handle of a knife 1, a plurality of stopper 11 that are equidistant annular array distribution of inside wall fixedly connected with of the installation lantern ring 2, the removal of the installation lantern ring 2 can drive stopper 11 and remove in step, stopper 11 be located the inner chamber of spacing spout 10 and with spacing spout 10 looks adaptation, the installation lantern ring 2 can carry out vertical removal with stopper 11 through spacing spout 10, the lower fixed surface of the installation lantern ring 2 is connected with connecting sleeve 14, connecting sleeve 14's removal can drive the installation lantern ring 2 and remove in step.

Specifically, the connecting sleeve 14 is movably sleeved with the tool holder 1, the movable sleeve 15 is arranged below the mounting sleeve ring 2, the movable sleeve 15 is movably sleeved with the upper end of the tool holder 1 through threads, the height of the threads between the movable sleeve 15 and the tool holder 1 is half of the height of the movable sleeve 15, when the movable sleeve 15 rotates to the lower end of the threads, the movable sleeve 15 cannot rotate and move, so that the separation between the movable sleeve 15 and the connecting sleeve 14 is avoided in the working process of the device, the stability of the device in use is further improved, the direction of the threads between the movable sleeve 15 and the tool holder 1 is opposite to the rotating direction of the tool bit component 4, the connection between the tool bit component 4 and the tool holder 1 is firmer in use, the phenomenon that the tool bit component 4 is loosened in use can be avoided, the lower end of the connecting sleeve 14 is movably inserted with the upper end of the movable sleeve 15 through a bearing, the rotation of the movable sleeve 15 can drive the connecting sleeve 14 to vertically move through the limiting chute 10 and the limiting block 11.

The working principle of the utility model is as follows:

when the device is used, firstly, the movable sleeve 15 is rotated, the rotation of the movable sleeve 15 can drive the mounting sleeve ring 2 to vertically move upwards through the limiting sliding groove 10, the limiting block 11 and the connecting sleeve 14, when the mounting sleeve ring 2 moves to a certain position, the cutter head component 4 vertically moves downwards, so that the connecting block 17 is inserted into an inner cavity of the connecting groove 16, the cutter head component 4 can be rapidly positioned with the connecting block 17 through the connecting groove 16, then, the vertical movement of the cutter head component 4 can drive the cutter head mounting seat 3 to synchronously vertically move, and when the cutter head mounting seat 3 moves to a certain position, the cutter head mounting seat 3 can horizontally push the clamping blocks 7 towards the direction close to each other through the second through grooves 8;

then the removal of fixture block 7 can drive movable block 6 and remove in step, the removal of movable block 6 can make thrust spring 9 take place elastic deformation, when tool bit mount pad 3 moved to the upper surface laminating with handle of a knife 1, thrust spring 9 can be through the power that resumes deformation and produce, promote movable block 6 and reset, after that reverse rotation movable sleeve 15, make movable sleeve 15 pass through connecting sleeve 14, the installation lantern ring 2 and movable block 6 drive fixture block 7 and carry out vertical downstream, thereby make this device be convenient for dismantle and change head unit 4, further make things convenient for the use of this device, the screw direction between movable sleeve 15 and the handle of a knife 1 is opposite with the head unit 4 pivoted direction simultaneously, and then make this device more firm in the in-process of using, avoid appearing the not hard up condition.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an arc T type sword of removable tool bit, includes handle of a knife (1), its characterized in that: the upper end of the knife handle (1) is movably sleeved with a mounting sleeve ring (2), the upper surface of the knife handle (1) is connected with a knife head mounting seat (3) in a fitting manner, the middle part of the upper surface of the knife head mounting seat (3) is fixedly connected with a knife head component (4), the upper surface of the mounting sleeve ring (2) is provided with a plurality of first through grooves (5) distributed in an equidistant annular array manner, the inner cavity of each first through groove (5) is provided with a movable block (6) matched with the corresponding first through groove (5), the upper surface of each movable block (6) is fixedly connected with a fixture block (7), the upper end of each fixture block (7) is obliquely arranged, the upper surface of the knife head mounting seat (3) is provided with a plurality of second through grooves (8) distributed in an equidistant annular array manner, the second through grooves (8) are matched with the fixture blocks (7), one side, far away from the movable blocks (6), of the lower surface of each fixture block (7) is connected with the upper surface of the knife head mounting seat (3) in a fitting manner, adjacent two the equal fixedly connected with thrust spring (9) of a side lower extreme that movable block (6) are close to each other, thrust spring (9) are arranged in the inner chamber of first logical groove (5), the one end that movable block (6) were kept away from in thrust spring (9) and the inner wall fixed connection of first logical groove (5), a plurality of spacing spout (10) that are equidistant annular array and distribute are vertically seted up to the lateral wall upper end of handle of a knife (1).

2. The replaceable bit arcuate T-knife of claim 1, wherein: the utility model discloses a mounting sleeve ring, including mounting sleeve ring (2), the inside wall fixedly connected with of mounting sleeve ring (2) is a plurality of stopper (11) that are equidistant annular array and distribute, stopper (11) are located the inner chamber of spacing spout (10) and with spacing spout (10) looks adaptation, guide way (12) have all been seted up at the both sides inner wall middle part of first logical groove (5).

3. The replaceable T-blade tool of claim 2 further comprising: the equal fixedly connected with guide block (13) of both sides face of movable block (6), guide block (13) are located the inner chamber of guide way (12) and with guide way (12) looks adaptation, the lower fixed surface of installation lantern ring (2) is connected with connecting sleeve (14).

4. The arcuate T-knife of claim 3, wherein: the tool is characterized in that the connecting sleeve (14) is movably sleeved with the tool handle (1), a movable sleeve (15) is arranged below the mounting sleeve ring (2), the movable sleeve (15) is movably sleeved with the upper end of the tool handle (1) through threads, and the lower end of the connecting sleeve (14) is movably inserted into the upper end of the movable sleeve (15) through a bearing.

5. The replaceable T-blade tool of claim 4 further comprising: connecting groove (16) have been seted up in the lower surface middle part of tool bit spare (4), the upper surface middle part fixedly connected with connecting block (17) of handle of a knife (1), the upper end activity of connecting block (17) runs through the lower surface middle part of tool bit mount pad (3) and extends to the inner chamber of connecting groove (16).

6. The replaceable bit arcuate T-knife of claim 5, wherein: the upper surface of the cutter head part (4) is fixedly connected with a cutting edge (18), and the lower surface of the cutter handle (1) is fixedly connected with a base (19).