CN215615411U

CN215615411U - Automobile blade autumn wheel milling cutter

Info

Publication number: CN215615411U
Application number: CN202121892520.XU
Authority: CN
Inventors: 马海善
Original assignee: Changzhou Haili Tool Co ltd
Current assignee: Changzhou Haili Tool Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-25
Anticipated expiration: 2031-08-13

Abstract

The utility model belongs to the technical field of automobile impeller machining, and particularly relates to an automobile blade and swing wheel milling cutter which comprises a cutter holder with a central hole, a cutter head, a screw and an installation shaft, wherein the installation shaft is embedded into the central hole of the cutter holder; a U-shaped elastic sheet is fixed on the tool apron, an auxiliary stabilizing groove capable of accommodating the U-shaped elastic sheet is formed in the outer wall of the tool bit, and a first bending part which is bent towards the outer side is formed in each of two ends of the U-shaped elastic sheet; two symmetrically distributed turnover connecting arms are hinged to the inner wall of the auxiliary stabilizing groove; according to the milling cutter, through the U-shaped elastic piece and the overturning connecting arm, after the cutter head is fixed, the second bending part can generate a strong buckling effect on the first bending part, so that a pulling force close to the cutter holder is generated on the cutter head, the stability of cutter head installation is greatly improved, the influence of shaking on the cutter head can be greatly reduced by matching the elastic effect, the loosening of screws is avoided, and the reliable milling processing is ensured.

Description

Automobile blade autumn wheel milling cutter

Technical Field

The utility model belongs to the technical field of automobile impeller machining, and particularly relates to an automobile impeller and autumn wheel milling cutter.

Background

The impeller refers to a wheel disc provided with movable blades, is a component of an impulse steam turbine rotor, and also refers to a general name of the wheel disc and the movable blades arranged on the wheel disc, and the impeller can be classified according to the shape and the opening and closing conditions.

The milling cutter is a common device for machining the automobile impeller, is a rotary cutter which is used for milling and machining and is provided with one or more cutter teeth, each cutter tooth sequentially and intermittently cuts off the allowance of a workpiece when in work, and the milling cutter is mainly used for machining planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine.

When the traditional milling cutter for machining the automobile impeller is used, the cutter head is usually fixed on the cutter holder by using a screw, and due to high heat and shaking generated in the machining process, the firmness of the installation of the cutter head is difficult to be ensured all the time, the quality of product machining is easily reduced, and even safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the automobile blade and autumn wheel milling cutter which has the characteristics of convenience in use and good stability.

In order to achieve the purpose, the utility model provides the following technical scheme: the automobile blade autumn wheel milling cutter comprises a cutter holder with a center hole, a cutter head, a screw and an installation shaft, wherein the screw is used for fixing the cutter head on the cutter holder; a U-shaped elastic sheet is fixed on the tool apron, an auxiliary stabilizing groove capable of accommodating the U-shaped elastic sheet is formed in the outer wall of the tool bit, and a first bending part which is bent towards the outer side is formed in each of two ends of the U-shaped elastic sheet; two symmetrically distributed turnover connecting arms are hinged to the inner wall of the auxiliary stabilizing groove, and the free ends of the turnover connecting arms are provided with second bending parts and are buckled with the first bending parts at the end parts of the U-shaped elastic sheets; an elastic reset supporting component is hinged between the overturning connecting arm and the inner wall of the auxiliary stabilizing groove.

As a preferable technical scheme of the utility model, two auxiliary stabilizing grooves are symmetrically formed in the auxiliary stabilizing groove, and two U-shaped elastic sheets are symmetrically fixed on the auxiliary stabilizing groove.

As a preferred technical scheme of the utility model, a second limiting block is fixed on the outer wall of the U-shaped elastic sheet, the direction of the second limiting block is consistent with the bending direction of the second bending part, and the length of the second limiting block is greater than that of the second bending part.

As a preferred technical scheme of the present invention, the elastic reset support assembly includes a telescopic column and a telescopic spring, one end of the telescopic column is hinged to the turnover connecting arm, the other end of the telescopic column is hinged to an inner wall of the auxiliary stabilizing groove, both ends of the telescopic column are fixed with limit rings, and the telescopic spring is sleeved on the telescopic column and located between the two limit rings.

As a preferable technical scheme of the present invention, the tool rest further includes a bolt, three positioning blocks are fixed to an end surface of the tool rest and are distributed at equal intervals in a circumferential direction, and the bolt penetrates through the positioning blocks and is connected to the mounting shaft in a threaded manner.

Compared with the prior art, the utility model has the beneficial effects that: according to the milling cutter, through the U-shaped elastic piece and the overturning connecting arm, after the cutter head is fixed, the second bending part can generate a strong buckling effect on the first bending part, so that a pulling force close to the cutter holder is generated on the cutter head, the stability of cutter head installation is greatly improved, the influence of shaking on the cutter head can be greatly reduced by matching the elastic effect, the loosening of screws is avoided, and the reliable milling processing is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

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

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a side cross-sectional view of a tool tip of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention;

in the figure: 1. a tool apron; 2. a cutter head; 3. a screw; 4. installing a shaft; 5. positioning blocks; 6. a bolt; 7. a limiting groove; 8. a first limiting block; 9. a central bore; 10. an auxiliary stabilizing groove; 11. a U-shaped elastic sheet; 12. a first bending part; 13. turning over the connecting arm; 14. a second limiting block; 15. a telescopic column; 16. a tension spring; 17. a limiting ring; 18. a second bending part.

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.

Referring to fig. 1-5, the present invention provides the following technical solutions: the automobile blade autumn wheel milling cutter comprises a cutter holder 1 with a center hole 9, a cutter head 2, a screw 3 for fixing the cutter head 2 on the cutter holder 1, and an installation shaft 4, wherein the installation shaft 4 is embedded into the center hole 9 of the cutter holder 1, a first limiting block 8 is fixed on the outer wall of the installation shaft 4, and a limiting groove 7 capable of accommodating the first limiting block 8 is formed in the end face of the cutter holder 1; a U-shaped elastic sheet 11 is fixed on the tool apron 1, an auxiliary stabilizing groove 10 capable of accommodating the U-shaped elastic sheet 11 is formed in the outer wall of the tool bit 2, and a first bending part 12 which is bent towards the outer side is arranged at each of two ends of the U-shaped elastic sheet 11; two symmetrically distributed turnover connecting arms 13 are hinged to the inner wall of the auxiliary stabilizing groove 10, and a second bending part 18 is arranged at the free end of each turnover connecting arm 13 and is buckled with the first bending part 12 at the end part of the U-shaped elastic sheet 11; an elastic reset supporting component is hinged between the turning connecting arm 13 and the inner wall of the auxiliary stabilizing groove 10, when in use, the mounting shaft 4 is embedded into the central hole 9 of the tool apron 1, and the first limiting block 8 is embedded into the limiting groove 7, so as to ensure the stability of the tool apron 1, avoid the tool apron 1 from slipping in subsequent use, then the tool bit 2 is fixed on the tool apron 1 by using the screw 3, and the U-shaped elastic sheet 11 is embedded into the auxiliary stabilizing groove 10, when the first bending part 12 meets the second bending part 18 in the process of embedding the U-shaped elastic sheet 11 into the auxiliary stabilizing groove 10, a component force towards the outer side is generated on the second bending part 18 due to the inclination effect, the turning connecting arm 13 turns towards the outer side, when the first bending part 12 crosses the second bending part 18, the elastic reset supporting component resets the turning connecting arm 13, and the second bending part 18 is buckled with the first bending part 12 at the end of the U-shaped elastic sheet 11, the stability of the fixation of the cutter head 2 is improved.

Specifically, according to fig. 1, fig. 2, fig. 3 and fig. 4, in this embodiment, two auxiliary stabilizing grooves 10 are symmetrically formed, and two U-shaped elastic pieces 11 are symmetrically fixed, so as to ensure the stability of the fixing of the cutter head 2.

Specifically, according to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 show, in this embodiment, the outer wall of U type flexure 11 is fixed with No. two stopper 14, No. two stopper 14's direction is unanimous with No. two kink 18's bending direction, and No. two stopper 14's length is greater than No. two kink 18's length, when No. two kink 18 are crossed to a kink 12, No. two stopper 14 can be supported to a kink 12, screw 3 screws up the back, No. two stopper 14 are exerted to a kink 12, make upset linking arm 13 upset, No. two kink 18 compress tightly a kink 12, the fixed stability of tool bit 2 has been improved.

Specifically, according to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, in this embodiment, the elastic reset support assembly includes a telescopic post 15 and a telescopic spring 16, one end of the telescopic post 15 is hinged to the flipping connecting arm 13, the other end of the telescopic post is hinged to the inner wall of the auxiliary stabilizing groove 10, two ends of the telescopic post 15 are both fixed with limiting rings 17, the telescopic spring 16 is sleeved on the telescopic post 15 and located between the two limiting rings 17, the telescopic post 15 is formed by sleeving two hollow cylindrical members, and the telescopic spring 16 is used to apply a reset elastic thrust to the flipping connecting arm 13.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the tool apron further includes a bolt 6, three positioning blocks 5 are fixed on the end surface of the tool apron 1 and are distributed at equal intervals along the circumferential direction, the bolt 6 penetrates through the positioning blocks 5 and is connected with the mounting shaft 4 in a threaded manner, and the bolt 6 is screwed down to ensure the stability of connection between the mounting shaft 4 and the tool apron 1.

The working principle and the using process of the utility model are as follows: when the milling cutter is used, the mounting shaft 4 is embedded into the central hole 9 of the cutter holder 1, the first limiting block 8 is embedded into the limiting groove 7, the stability of the cutter holder 1 is ensured, the cutter holder 1 is prevented from slipping in subsequent use, then the cutter head 2 is fixed on the cutter holder 1 by using the screw 3, the U-shaped elastic piece 11 is embedded into the auxiliary stabilizing groove 10, in the process that the U-shaped elastic piece 11 is embedded into the auxiliary stabilizing groove 10, when the first bending part 12 meets the second bending part 18, an outward component force is generated on the second bending part 18 due to the inclination effect, the overturning connecting arm 13 overturns towards the outside, when the first bending part 12 crosses the second bending part 18, the elastic resetting support component resets the overturning connecting arm 13, and the second bending part 18 is buckled with the first bending part 12 at the end part of the U-shaped elastic piece 11, so that the fixing stability of the cutter head 2 is improved;

in addition, when No. two kinks 18 are crossed to kink 12, kink 12 can support No. two stopper 14, and the back is screwed up to screw 3, and No. 12 kinks exert thrust to No. two stopper 14 for upset linking arm 13 overturns, and No. two kinks 18 compress tightly kink 12, have improved the fixed stability of tool bit 2.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Automobile leaf autumn wheel milling cutter, including blade holder (1) that has centre bore (9), tool bit (2) and be used for fixing screw (3) on blade holder (1) with tool bit (2), its characterized in that: the tool rest is characterized by further comprising a mounting shaft (4), wherein the mounting shaft (4) is embedded into a center hole (9) of the tool rest (1), a first limiting block (8) is fixed on the outer wall of the mounting shaft (4), and a limiting groove (7) capable of accommodating the first limiting block (8) is formed in the end face of the tool rest (1); a U-shaped elastic piece (11) is fixed on the tool apron (1), an auxiliary stabilizing groove (10) capable of accommodating the U-shaped elastic piece (11) is formed in the outer wall of the tool bit (2), and two ends of the U-shaped elastic piece (11) are provided with first bending parts (12) which are bent towards the outer side; two symmetrically distributed turnover connecting arms (13) are hinged to the inner wall of the auxiliary stabilizing groove (10), and a second bending part (18) is arranged at the free end of each turnover connecting arm (13) and is buckled with the first bending part (12) at the end part of the U-shaped elastic sheet (11); an elastic reset supporting component is hinged between the overturning connecting arm (13) and the inner wall of the auxiliary stabilizing groove (10).

2. The automobile leaf-autumn wheel milling cutter as claimed in claim 1, wherein: two auxiliary stabilizing grooves (10) are symmetrically formed, and two U-shaped elastic pieces (11) are symmetrically fixed.

3. The automobile leaf-autumn wheel milling cutter as claimed in claim 1, wherein: the outer wall of the U-shaped elastic piece (11) is fixed with a second limiting block (14), the direction of the second limiting block (14) is consistent with the bending direction of the second bending portion (18), and the length of the second limiting block (14) is larger than that of the second bending portion (18).

4. The automobile leaf-autumn wheel milling cutter as claimed in claim 1, wherein: elasticity support assembly that resets includes flexible post (15) and expanding spring (16), the one end of flexible post (15) with upset linking arm (13) are articulated, the other end with the inner wall of supplementary stable groove (10) is articulated the both ends of flexible post (15) all are fixed with spacing ring (17), expanding spring (16) cup joint just be in two on flexible post (15) between spacing ring (17).

5. The automobile leaf-autumn wheel milling cutter as claimed in claim 1, wherein: the tool apron is characterized by further comprising a bolt (6), three positioning blocks (5) which are distributed at equal intervals along the circumferential direction are fixed on the end face of the tool apron (1), and the bolt (6) penetrates through the positioning blocks (5) and then is connected with the mounting shaft (4) in a threaded screwing mode.