CN215845942U

CN215845942U - Non-integrated T-shaped milling cutter

Info

Publication number: CN215845942U
Application number: CN202121408883.1U
Authority: CN
Inventors: 冯强; 彭少平
Original assignee: Guizhou Xinxinqiang Technology Co ltd
Current assignee: Guizhou Xinxinqiang Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-02-18
Anticipated expiration: 2031-06-24

Abstract

The utility model relates to the technical field of cutting tools and discloses a non-integrally formed T-shaped milling cutter which comprises a cutter handle, a connecting part and a cutter head, wherein the connecting part is fixedly arranged on the bottom end surface of the cutter handle, an aligning groove is formed in the bottom end of the connecting part, the cutter head is movably connected to the bottom end surface of the connecting part, a mounting groove is formed in the top end surface of the cutter head, an aligning block is fixedly arranged in the mounting groove, a replacing groove is formed in the bottom end surface of the cutter head, and a replacing button is movably arranged in the replacing groove. According to the tool bit quick replacement device, the replacement button is pressed to drive the limiting block to be separated from the limiting groove, the damaged tool bit can be completely separated at the moment, the intact tool bit is taken out, the replacement button is pressed to enable the limiting block to retract into the sliding groove, the alignment block is completely placed into the limiting groove, then the replacement button is released, the limiting block slides out of the sliding groove to enter the limiting groove, the tool bit is movably connected onto the connecting portion, and the effect of quickly replacing the tool bit without other tools is achieved.

Description

Non-integrated T-shaped milling cutter

Technical Field

The utility model relates to the technical field of cutting tools, in particular to a non-integrally formed T-shaped milling cutter.

Background

T-type milling cutters, also known as T-slot cutters, can be divided into taper shank T-slot cutters and straight shank T-slot cutters. The method is used for processing T-shaped grooves on various machine table tops or other structures.

The existing T-shaped milling cutter is mostly an integrally formed milling cutter, a cutter head is easily worn due to high-speed rotation during component processing, once the cutter head damages the whole milling cutter, the whole milling cutter is scrapped, resource waste is caused, part of the milling cutter with the replaceable cutter head is usually provided with a thread groove in a cutter handle and then is fixed by a screw, and the defects that the cutter handle is not enough in hollow strength, the cutter head is easily broken and the screw can be screwed to replace the cutter head by other tools are overcome.

To this end, we propose a non-integral T-shaped milling cutter.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides a non-integrally formed T-shaped milling cutter.

In order to achieve the purpose, the utility model adopts the following technical scheme that the non-integrally formed T-shaped milling cutter comprises a cutter handle, a connecting part and a cutter head, the connecting part is fixedly arranged on the bottom end surface of the knife handle, the middle position of the bottom end of the connecting part is provided with an aligning groove, the alignment groove is a triangular groove, the middle positions of three side walls of the alignment groove are respectively provided with a limiting groove, the cutter head is arranged on the bottom end surface of the connecting part, the middle of the top end surface of the cutter head is provided with an installation groove, the middle position of the installation groove is fixedly provided with an alignment block, the alignment block is a triangular block, the side length of the alignment block is the same as that of the alignment groove, sliding grooves are formed in the positions, corresponding to the limiting grooves, of the three side walls of the alignment block, limiting blocks are movably mounted inside the sliding grooves, springs are fixedly mounted on the end faces, close to the inside of the sliding grooves, of the limiting blocks, and one ends, far away from the limiting blocks, of the springs are fixedly connected with the inner end faces of the sliding grooves;

a replacing groove is formed in the middle of the bottom end face of the cutter head, a replacing button is movably mounted in the replacing groove, and a connecting wire is fixedly mounted at the top of the side wall of the replacing button.

Preferably, the depth of the mounting groove is the same as the thickness of the circular plate at the bottom end face of the connecting part.

Preferably, the thickness of the alignment block is the same as the depth of the alignment groove.

Preferably, the limiting block can freely move in the sliding groove and can partially slide out of the sliding groove, and the upper end face of the limiting block sliding out of the sliding groove is an inclined plane.

Preferably, the replacement groove extends through the upper end surface of the tool bit and into the interior of the alignment block.

Preferably, the connecting wire runs through the side wall of the replacing groove and extends to the inside of the sliding groove, and one end, away from the replacing button, of the connecting wire penetrates through the spring and then is fixedly connected with one end, close to the sliding groove, of the limiting block.

Advantageous effects

The utility model provides a non-integrally formed T-shaped milling cutter. The method has the following beneficial effects:

(1) when the cutter edge of the cutter head is found to be worn, pressing the replacement button to make the replacement button slide upwards in the replacement groove, making the connecting wire slide to the top end of the replacement groove along with the replacement button in the replacement groove, driving the limiting block to slide towards the inside of the sliding groove, making the part of the limiting block in the limiting groove completely separate from the limiting groove, making the damaged cutter head completely separate, taking out the intact cutter head, aligning the bottom end circular plate of the connecting part with the mounting groove, aligning the alignment block with the limiting groove, pressing down forcefully, extruding the limiting block by the bottom end surface of the connecting part at the moment, making the limiting block retract into the sliding groove, when the bottom end surface of the connecting part completely enters the mounting groove, the limiting block automatically pops up and is clamped in the limiting groove, the quick installation of completion tool bit position reaches the effect that need not the function of other instruments can be quick change tool bit.

(2) This non-integrated into one piece's T type milling cutter because adjust positive piece and spacing groove with for triangle-shaped, so can be very convenient just can adjust the position of spacing groove and stopper well, can not appear the direction mistake and can' T adjust well, and triangle-shaped has stability, can increase the stability of connecting the position.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the connecting portion of the present invention;

FIG. 3 is a perspective view of a cutting head according to the present invention;

fig. 4 is a cross-sectional view of a tool tip of the present invention.

Illustration of the drawings:

1. a knife handle; 2. a connecting portion; 3. a cutter head; 4. aligning the groove; 5. a limiting groove; 6. mounting grooves; 7. aligning the block; 8. a limiting block; 9. replacing the groove; 10. replacing the button; 11. a sliding groove; 12. a connecting wire; 13. a spring.

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.

Example (b): the non-integrally formed T-shaped milling cutter comprises a cutter handle 1, a connecting part 2 and a cutter head 3, wherein the connecting part 2 is fixedly installed on the bottom end face of the cutter handle 1, the bottom end of the connecting part 2 is a circular plate, an aligning groove 4 is formed in the middle of the inner portion of the circular plate, the aligning groove 4 is a triangular groove, a limiting groove 5 is formed in the middle of the three side walls of the aligning groove 4, and the limiting groove 5 is a rectangular groove.

3 swing joint of tool bit is at the bottom face of connecting portion 2, mounting groove 6 has been seted up in the middle of the top face of tool bit 3, mounting groove 6 is the height that the degree of depth of circular recess and mounting groove 6 is connecting portion 2 bottom face circular slab, the intermediate position fixed mounting of mounting groove 6 is adjusted well piece 7, adjust well piece 7 for the triangle-shaped piece and adjust the degree of depth of piece 7 for adjusting well groove 4 well, adjust well the lateral wall of piece 7 and correspond the position of spacing groove 5 and seted up sliding tray 11, sliding tray 11 is the rectangular channel, the inside movable mounting of sliding tray 11 has stopper 8, stopper 8 is the rectangle piece that can be in the inside free activity of sliding tray 11 and can partly roll-off sliding tray 11 inside, stopper 8 left end face fixed mounting has spring 13, stopper 8's the left end face fixed mounting is kept away from to spring 13 is at the left end face of sliding tray 11.

Seted up in the middle of the bottom face of tool bit 3 and changed groove 9, change groove 9 and extend to the inside of adjusting piece 7 well for the up end of circular recess and running through tool bit 3, movable mounting has change button 10 in changing groove 9, change button 10 is the circular stock that can be in change inslot 9 free activity, change button 10's lateral wall top fixed mounting has connecting wire 12, connecting wire 12 runs through the lateral wall of changing groove 9 and extends to the inside of sliding tray 11, connecting wire 12 keeps away from the one end of changing button 10 and passes the lateral wall of spring 13 back fixed mounting at stopper 8.

The working principle of the utility model is as follows: when the cutting edge of the cutter head 3 is worn, the replacing button 10 is pressed to enable the replacing button 10 to slide upwards in the replacing groove 9, the connecting wire 12 is enabled to slide to the top end of the replacing groove 9 along with the replacing button 10 in the replacing groove 9, the limiting block 8 is driven to slide towards the inside of the sliding groove 11, the part of the limiting block 8 in the limiting groove 5 is enabled to be completely separated from the limiting groove 5, the damaged cutter head 3 can be completely separated at the moment, the intact cutter head 3 is taken out, the bottom end circular plate of the connecting part 2 is aligned to the installing groove 6, the aligning block 7 is aligned to the aligning groove 4, the limiting block 8 is pressed down with force, the bottom end face of the connecting part 2 extrudes the limiting block 8 at the moment, and the limiting block 8 retracts into the sliding groove 11, when the bottom end surface of the connecting part 2 completely enters the mounting groove 6, the limiting block 8 automatically pops up and is clamped in the limiting groove 5, accomplish the quick installation of tool bit 3, reach the function that needs other instruments can be quick change tool bit 3.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a non-integrated into one piece's T type milling cutter, includes handle of a knife (1), connecting portion (2) and tool bit (3), its characterized in that: the tool comprises a tool handle (1), a connecting part (2), a centering groove (4), limiting grooves (5), a tool bit (3), a mounting groove (6), a centering block (7), a limiting block (8), a spring (13), a spring (I), a spring (II), a spring (III), a spring (V), a spring (II), a spring (III), a spring (IV), a spring, and a spring, a, one end of the spring (13) far away from the limiting block (8) is fixedly connected with the inner end face of the sliding groove (11);

the middle of the bottom end face of the tool bit (3) is provided with a replacing groove (9), a replacing button (10) is movably mounted in the replacing groove (9), and a connecting wire (12) is fixedly mounted at the top of the side wall of the replacing button (10).

2. A non-integrally formed T-mill as claimed in claim 1, wherein: the depth of the mounting groove (6) is the same as the thickness of the circular plate at the bottom end face of the connecting part (2).

3. A non-integrally formed T-mill as claimed in claim 1, wherein: the thickness of the alignment block (7) is the same as the depth of the alignment groove (4).

4. A non-integrally formed T-mill as claimed in claim 1, wherein: the limiting block (8) can freely move in the sliding groove (11) and can partially slide out of the sliding groove (11), and the upper end face of the part of the limiting block (8) sliding out of the sliding groove (11) is an inclined plane.

5. A non-integrally formed T-mill as claimed in claim 1, wherein: the replacing groove (9) penetrates through the upper end face of the cutter head (3) and extends into the aligning block (7).

6. A non-integrally formed T-mill as claimed in claim 1, wherein: connecting wire (12) run through the lateral wall of changing groove (9) and extend to the inside of sliding tray (11), and spring (13) back and stopper (8) are close to the one end fixed connection of sliding tray (11) are passed to the one end that change button (10) were kept away from in connecting wire (12).