CN214920769U

CN214920769U - Conducting bar mounted on rotary cutter

Info

Publication number: CN214920769U
Application number: CN202121245372.2U
Authority: CN
Inventors: 饶荣乐; 翁鑫
Original assignee: Wuxi Simika Precision Technology Co ltd
Current assignee: Wuxi Simika Precision Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-11-30
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a dress conducting bar on rotating tool, include: the top of the cutter structure is provided with a central blade, and secondary cutting blades are arranged outside the central blade and are arranged at intervals with the main cutting blades; the first conducting bar structure is fixedly arranged on the surface of the side wall of the cutter body, the composition structure of the first conducting bar structure is consistent with that of the second conducting bar structure, and the first conducting bar structure and the second conducting bar structure are arranged oppositely. This dress conducting bar on rotary cutter, the constitute and structure of first conducting bar structure, second conducting bar structure is unanimous for the quality of first conducting bar structure, second conducting bar structure is unanimous, and this just makes first conducting bar structure, second conducting bar structure when the pivoted, guarantees the holistic balance nature of cutter structure when rotating drilling, and the support cutter structure that can be better when adding man-hour to drilling, and reduces the damage of vibrations to the cutter simultaneously.

Description

Conducting bar mounted on rotary cutter

Technical Field

The utility model relates to a drill bit field specifically is a dress conducting bar on rotary cutter.

Background

When the steering engine shell is machined and manufactured, the inner hole of a machined part is large and deep, so that the overall weight of the designed tool is heavy and is close to the upper limit of a main shaft of a machining center, the high-speed stability of the main shaft in the machining process is poor, the requirement on the size precision of the inner hole of the machined part is high, the main shaft needs to run at a high speed, and the size of the machined inner hole is unstable due to the combination of the main shaft and the main shaft; meanwhile, the vibration of the cutter causes obvious vibration of cutter lines, and the quality problem is serious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dress is at conducting bar on rotatory cutter to solve the defect that mentions in the above-mentioned background art.

To achieve the above object, there is provided a guide bar mounted on a rotary cutter, comprising:

the top of the cutter structure is provided with a central blade, and secondary cutting blades are arranged outside the central blade and are arranged at intervals with the main cutting blades;

the first conducting bar structure is fixedly arranged on the surface of the side wall of the cutter body, the composition structure of the first conducting bar structure is consistent with that of the second conducting bar structure, and the first conducting bar structure and the second conducting bar structure are arranged oppositely.

Preferably, the cutter structure includes cutter body, main cutting edge, central sword, vice cutting edge and installation cavity, and the installation cavity has all been seted up to the installation cavity in the both sides of cutter body, and two sets of installation cavities set up relatively.

Preferably, the installation cavity includes fixed slot, first constant head tank, spiro union hole and second constant head tank, and first constant head tank has been seted up on the fixed slot right side, and the second constant head tank has been seted up on the fixed slot left side, and the spiro union hole has been seted up at the middle part of fixed slot.

Preferably, the first guide strip structure comprises a guide strip, a fixing hole, a first positioning portion and a second positioning portion, the first positioning portion is arranged at one end of the guide strip, the second positioning portion is arranged at the other end of the guide strip, and the fixing hole is formed in the middle of the guide strip.

Preferably, the guide strip is matched with the installation cavity in size, and the end of the inner hexagonal screw penetrates through a fixing hole formed in the guide strip and is in threaded connection with the inside of the threaded connection hole.

Preferably, the size looks adaptation of first location portion and first constant head tank, and the size looks adaptation of second location portion and second constant head tank, first location portion joint is inside first constant head tank, and second location portion joint is inside the second constant head tank, and location portion and the even arc setting of constant head tank.

Preferably, the thickness of the guide strip is greater than the depth of the mounting cavity, the length of the guide strip is 15.28mm, and the width of the guide strip is 7.27 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the composition structure of first conducting bar structure, second conducting bar structure is unanimous for the quality of first conducting bar structure, second conducting bar structure is unanimous, and this just makes first conducting bar structure, second conducting bar structure when the pivoted, guarantees the holistic equilibrium of cutter structure when rotating drilling, and the support cutter structure that can be better when adding man-hour to drilling reduces the damage of vibrations to the cutter simultaneously.

Drawings

FIG. 1 is a top view of the structure of the cutting tool of the present invention;

fig. 2 is a side view of the structure of the present invention 1;

FIG. 3 is a schematic view of the structural installation cavity of the present invention;

fig. 4 is a three-dimensional view of the first conducting bar structure of the present invention.

Reference numbers in the figures: 1. a cutter structure; 11. a cutter body; 12. a main cutting edge; 13. a central blade; 14. a secondary cutting edge; 15. a mounting cavity; 151. fixing grooves; 152. a first positioning groove; 153. screwing holes; 154. a second positioning groove; 2. a first conducting bar structure; 21. a guide strip; 22. a fixing hole; 23. a first positioning portion; 24. a second positioning portion; 3. a second conducting bar structure; 4. a hexagon socket head cap screw.

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 to 4, the present invention provides a conducting bar mounted on a rotary cutter, including: a cutter structure 1 and a first conducting bar structure 2;

the top of the cutter structure 1 is provided with a central edge 13, and secondary cutting edges 14 are arranged outside the central edge 13, wherein the secondary cutting edges 14 and the main cutting edges 12 are arranged at intervals;

the first conducting bar structure 2 is fixedly arranged on the surface of the side wall of the cutter body 11, the first conducting bar structure 2 and the second conducting bar structure 3 are consistent in composition structure, and the first conducting bar structure 2 and the second conducting bar structure 3 are arranged oppositely.

First conducting bar structure 2 is installed respectively to cutter structure 1's both sides, second conducting bar structure 3, first conducting bar structure 2, second conducting bar structure 3 is symmetrical structure about central sword 13, simultaneously first conducting bar structure 2, the constitute and structure of second conducting bar structure 3 is unanimous, make first conducting bar structure 2, second conducting bar structure 3's quality is unanimous, this just makes first conducting bar structure 2, second conducting bar structure 3 is when the pivoted, guarantee the whole equilibrium of cutter structure 1 when rotating drilling, support cutter structure 1 that can be better when adding man-hour to drilling, and reduce the damage of vibrations to the cutter simultaneously.

As a preferred embodiment, the cutter structure 1 includes a cutter body 11, a main cutting edge 12, a central cutting edge 13, a secondary cutting edge 14 and mounting cavities 15, and the mounting cavities 15 are respectively opened at two sides of the cutter body 11 in the mounting cavities 15, and the two sets of mounting cavities 15 are oppositely arranged.

As a preferred embodiment, the installation cavity 15 includes a fixing groove 151, a first positioning groove 152, a screw hole 153 and a second positioning groove 154, wherein the right side of the fixing groove 151 is provided with the first positioning groove 152, the left side of the fixing groove 151 is provided with the second positioning groove 154, and the middle of the fixing groove 151 is provided with the screw hole 153.

As a preferred embodiment, the first guide bar structure 2 includes a guide bar 21, a fixing hole 22, a first positioning portion 23 and a second positioning portion 24, and one end of the guide bar 21 is provided with the first positioning portion 23, while the other end of the guide bar 21 is provided with the second positioning portion 24, and the middle of the guide bar 21 is provided with the fixing hole 22.

In a preferred embodiment, the guide bar 21 is adapted to the size of the mounting cavity 15, and the end of the socket head cap screw 4 is screwed into the screwing hole 153 through a fixing hole 22 formed in the guide bar 21.

First conducting bar structure 2, second conducting bar structure 3 are detachable at the both ends of cutter structure 1, are convenient for dismantle and change work to the first conducting bar structure 2 that wearing and tearing are serious, second conducting bar structure 3.

As a preferred embodiment, the first positioning portion 23 is matched with the first positioning groove 152 in size, the second positioning portion 24 is matched with the second positioning groove 154 in size, the first positioning portion 23 is clamped inside the first positioning groove 152, the second positioning portion 24 is clamped inside the second positioning groove 154, and the positioning portions and the positioning grooves are uniformly arranged in an arc shape.

In a preferred embodiment, the thickness of the guide strip 21 is greater than the depth of the mounting cavity 15, and the length of the guide strip 21 is 15.28mm, while the width of the guide strip 21 is 7.27 mm.

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. A guide strip for mounting on a rotary cutter, comprising:

the top of the cutter structure (1) is provided with a central edge (13), and secondary cutting edges (14) outside the central edge (13), wherein the secondary cutting edges (14) and the main cutting edges (12) are arranged at intervals;

the cutter comprises a cutter body (11), and is characterized by comprising a first guide strip structure (2), wherein the first guide strip structure (2) is fixedly arranged on the surface of the side wall of the cutter body (11), the first guide strip structure (2) is consistent with the second guide strip structure (3) in structure, and the first guide strip structure (2) and the second guide strip structure (3) are arranged oppositely.

2. A rotary cutter-mounted guide bar according to claim 1, wherein: the cutter structure (1) comprises a cutter body (11), a main cutting edge (12), a central cutting edge (13), an auxiliary cutting edge (14) and mounting cavities (15), the mounting cavities (15) are formed in the two sides of the cutter body (11) of the mounting cavities (15), and the two sets of mounting cavities (15) are arranged oppositely.

3. A rotary cutter-mounted guide bar according to claim 2, wherein: installation cavity (15) include fixed slot (151), first constant head tank (152), spiro union hole (153) and second constant head tank (154), and first constant head tank (152) have been seted up on fixed slot (151) right side, and second constant head tank (154) have been seted up on fixed slot (151) left side, and spiro union hole (153) have been seted up at the middle part of fixed slot (151).

4. A rotary cutter-mounted guide bar according to claim 1, wherein: the first guide strip structure (2) comprises a guide strip (21), a fixing hole (22), a first positioning part (23) and a second positioning part (24), the first positioning part (23) is arranged at one end of the guide strip (21), the second positioning part (24) is arranged at the other end of the guide strip (21), and the fixing hole (22) is formed in the middle of the guide strip (21).

5. A rotary cutter-mounted guide bar according to claim 4, wherein: the guide strip (21) is matched with the installation cavity (15) in size, and the end of the inner hexagonal screw (4) penetrates through a fixing hole (22) formed in the guide strip (21) and is in threaded connection with the inside of the threaded connection hole (153).

6. A rotary cutter-mounted guide bar according to claim 4, wherein: the size looks adaptation of first location portion (23) and first constant head tank (152), and the size looks adaptation of second location portion (24) and second constant head tank (154), first location portion (23) joint is inside first constant head tank (152), and inside second location portion (24) joint is in second constant head tank (154), the even arc setting of location portion and constant head tank.

7. A rotary cutter-mounted guide bar according to claim 4, wherein: the thickness of the guide strip (21) is larger than the depth of the mounting cavity (15), the length of the guide strip (21) is 15.28mm, and the width of the guide strip (21) is 7.27 mm.