CN216706076U

CN216706076U - Double-angle hub cutter

Info

Publication number: CN216706076U
Application number: CN202122842414.7U
Authority: CN
Inventors: 陈勤忠; 袁辰; 石志刚
Original assignee: Changshu Kaide Cnc Tool Co ltd
Current assignee: Changshu Kaide Cnc Tool Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-10
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to a double-angle hub cutter, which comprises a cutter handle, a cutter seat and a cutter head, wherein the cutter seat is positioned at one end of the cutter handle, and the cutter head is detachably connected with the cutter seat; the cutter head comprises a sharp cutter head and a cambered surface cutter head; the sharp cutter head is detachably connected with the end of the cutter holder through a screw; the inclined cutter holder is positioned in the inclined groove on the cutter holder and is detachably connected with the cutter holder through a locking screw; the inclined tool rest comprises a pin part, a positioning part and a tool groove, and the cambered surface tool bit is detachably connected with the tool groove of the inclined tool rest through another screw; the included angle between the inclined cutter seat and the cutter seat is an acute angle, and the position of the sharp cutter head corresponds to that of the cambered surface cutter head. The double-angle hub cutter can realize through hole cutting and inner wall milling, saves cutter changing operation, shortens the pause time between two working procedures, is beneficial to improving the production efficiency and simultaneously reduces the number of cutters.

Description

Double-angle hub cutter

Technical Field

The utility model relates to the field of cutters, in particular to a double-angle hub cutter.

Background

The automobile hub is a wheel core rotating part formed by connecting tire inner profile steel through an upright post, namely a metal part which supports the center of a tire and is arranged on a shaft. Also called rim, steel ring, wheel and tyre bell. The manufacturing method of the aluminum alloy hub comprises three methods: gravity casting, forging and low-pressure precision casting. Regardless of the method of manufacturing the hub, the hub needs to be finished to ensure dimensional accuracy.

The cutter for processing the automobile hub is a hub cutter. The hub cutter comprises a cutting hub cutter and a milling hub cutter. The hub cutting tool is used for cutting a through hole in the middle of the hub, and the hub milling tool is used for milling the inner wall cambered surface of the steel ring of the hub.

The hub cutting tool and the hub milling tool correspond to a through hole cutting process and an inner wall milling process of the automobile hub respectively, and after one process is completed, the tool needs to be changed, and then the other process is started. Whether automatic tool changing or manual tool changing can lead to longer pause time of machining operation, and the production efficiency is influenced.

Also, the large number of cutters results in a high cost.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is:

the double-angle hub cutter is designed, through hole cutting and inner wall milling can be achieved, cutter changing operation is omitted, the pause time between two procedures is shortened, production efficiency is improved, and the number of cutters is reduced.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a double-angle hub cutter comprises a cutter handle, a cutter seat and a cutter head, wherein the cutter seat is positioned at one end of the cutter handle, and the cutter head is detachably connected with the cutter seat; the cutter head comprises a sharp cutter head and a cambered surface cutter head; the sharp cutter head is detachably connected with the end of the cutter holder through a screw; the inclined cutter holder is positioned in the inclined groove on the cutter holder and is detachably connected with the cutter holder through a locking screw; the inclined cutter seat comprises a pin part, a positioning part and a cutter groove, and the cambered surface cutter head is detachably connected with the cutter groove of the inclined cutter seat through another screw; the included angle between the inclined cutter seat and the cutter seat is an acute angle, and the position of the sharp cutter head corresponds to that of the cambered surface cutter head.

Furthermore, the positioning part is connected with the tail end of the inserting rod part, and the cross section of the inserting rod part is matched with that of the inclined groove.

Furthermore, a first screw hole is formed in the plug rod portion, a counter bore is formed in the side face of the tool apron, and a second screw hole is formed in the inclined groove.

Furthermore, counter sink and the coaxial setting of second screw, the aperture and the internal thread of first screw and second screw are all unanimous.

Furthermore, the locking screw is located in the countersunk head hole, and an external thread of the locking screw is matched with an internal thread of the first screw hole.

Further, the axis of the locking screw is perpendicular to the length direction of the inserted rod part.

The utility model has the beneficial effects that: the utility model provides a two angle formula wheel hub cutters, through redesign to the cutter, add oblique blade holder, locking screw, possess sharp tool bit and cambered surface tool bit, can realize through-hole cutting and inner wall milling process, save the tool changing operation to shorten pause or latency between two processes by a wide margin, be favorable to improving production efficiency, unite two into one the cutter simultaneously, and possess and to dismantle the function, directly reduce cutter quantity, can reduce the cutter cost.

Drawings

Fig. 1 is a schematic view of the overall structure of a dual-angle hub cutter according to the present invention.

Fig. 2 is a schematic structural view of another view angle of the dual-angle hub cutter of the present invention.

Fig. 3 is a partial structural schematic view of a dual-angle hub cutter of the present invention.

Fig. 4 is a schematic structural view of an inclined tool holder and a cambered surface tool bit of the dual-angle hub tool of the present invention.

In the figure: 1. a knife handle; 2. a tool apron; 3. a cutter head; 31. a sharp cutter head; 32. a cambered surface cutter head; 4. a chute; 5. an inclined cutter seat; 51. a plug-in section; 52. a positioning part; 53. a cutter groove; 54. a first screw hole; 6. locking the screw; 7. a countersunk hole; 8. and a second screw hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 4, the double-angle hub cutter comprises a cutter handle 1, a cutter holder 2 and a cutter head 3, wherein the cutter holder 2 is located at one end of the cutter handle 1, and the cutter head 3 is detachably connected with the cutter holder 2; the cutter head 3 comprises a sharp cutter head 31 and an arc cutter head 32, the sharp cutter head 31 is used for cutting a through hole in the center of the hub, and the arc cutter head 32 is used for milling the inner wall of a steel ring of the hub; the sharp cutter head 31 is detachably connected with the end of the cutter holder 2 through a screw; the inclined knife seat 5 is positioned in the inclined groove 4 on the knife seat 2 and is detachably connected with the knife seat 2 through a locking screw 6, namely, the inclined knife seat 5 can be taken down from the knife seat 2; the inclined cutter seat 5 comprises a plug-in part 51, a positioning part 52 and a cutter groove 53, and the cambered cutter head 32 is detachably connected with the cutter groove 53 of the inclined cutter seat 5 through another screw; the included angle between the inclined cutter seat 5 and the cutter seat 2 is an acute angle, the position of the sharp cutter head 31 corresponds to that of the cambered surface cutter head 32, and a gap is reserved between the sharp cutter head 31 and the cambered surface cutter head 32.

Fig. 3 shows the hub cutter with the bevel blade seat 5 removed, and the hub cutter can be used alone to perform a cutting operation of the central through hole of the hub.

The positioning part 52 is connected with the end of the inserting rod part 51, the cross section of the inserting rod part 51 is matched with the cross section of the chute 4, and the inserting rod part 51 can be inserted into the chute 4.

The insert rod part 51 is provided with a first screw hole 54, the side surface of the tool apron 2 is provided with a counter bore 7, the chute 4 is internally provided with a second screw hole 8, and the second screw hole 8 is used for fastening and positioning the locking screw 6.

The counter bore 7 and the second screw hole 8 are coaxially arranged, and the apertures and the internal threads of the first screw hole 54 and the second screw hole 8 are consistent, so that the locking screw 6 can be screwed in.

The locking screw 6 is positioned in the countersunk hole 7, and the external thread of the locking screw 6 is matched with the internal thread of the first screw hole 54 to ensure that the locking screw 6 can be screwed in.

The axis of the locking screw 6 is perpendicular to the longitudinal direction of the shank 51, thereby securing locking and fixing ability to the shank 51.

The working principle of the utility model is as follows: when the inner wall surface of the wheel hub steel ring needs to be milled, the locking screw 6 is screwed out from the second screw hole 8 and the countersunk hole 7, the inserted rod part 51 of the inclined cutter holder 5 is inserted into the inclined groove 4, the first screw hole 54 is aligned with the countersunk hole 7 and the second screw hole 8, then the locking screw 6 can be placed into the countersunk hole 7, and the locking screw 6 is screwed until the locking screw is screwed into the first screw hole 54 and the second screw hole 8, so that the locking and positioning of the inclined cutter holder 5 are realized; then the cambered surface cutter head 32 is installed in the cutter groove 53 of the positioning part 52 through a screw, so that the installation of the cambered surface cutter head 32 is realized; and finally, the tool shank 1 is connected with a driving end in the machining center, so that the through hole cutting and inner wall milling operation of the automobile hub workpiece can be performed, the tool changing process is omitted, and the time is saved.

The above examples are intended to further illustrate the present invention, but are not intended to limit the utility model to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.

Claims

1. A double-angle hub cutter comprises a cutter handle (1), a cutter seat (2) and a cutter head (3), wherein the cutter seat (2) is positioned at one end of the cutter handle (1), and the cutter head (3) is detachably connected with the cutter seat (2); the method is characterized in that: the cutter head (3) comprises a sharp cutter head (31) and a cambered surface cutter head (32); the sharp cutter head (31) is detachably connected with the end of the cutter holder (2) through a screw; the tool rest is characterized by further comprising an inclined tool apron (5), wherein the inclined tool apron (5) is positioned in an inclined groove (4) on the tool apron (2) and is detachably connected with the tool apron (2) through a locking screw (6); the inclined cutter holder (5) comprises a plug-in rod part (51), a positioning part (52) and a cutter groove (53), and the cambered cutter head (32) is detachably connected with the cutter groove (53) of the inclined cutter holder (5) through another screw; the included angle between the inclined cutter seat (5) and the cutter seat (2) is an acute angle, and the position of the sharp cutter head (31) corresponds to that of the cambered surface cutter head (32).

2. A dual angle hub cutter as defined in claim 1, wherein: the positioning part (52) is connected with the tail end of the inserted rod part (51), and the cross section of the inserted rod part (51) is matched with that of the inclined groove (4).

3. A dual angle hub cutter as defined in claim 2, wherein: the tool apron is characterized in that a first screw hole (54) is formed in the plug rod part (51), a counter bore (7) is formed in the side face of the tool apron (2), and a second screw hole (8) is formed in the inclined groove (4).

4. A dual angle hub cutter as defined in claim 3, wherein: the counter bore (7) and the second screw hole (8) are coaxially arranged, and the aperture of the first screw hole (54) and the aperture of the second screw hole (8) are consistent with the internal thread.

5. The dual angle hub cutter of claim 4, wherein: the locking screw (6) is positioned in the counter bore (7), and the external thread of the locking screw (6) is matched with the internal thread of the first screw hole (54).

6. The dual angle hub cutter of claim 5, wherein: the axis of the locking screw (6) is vertical to the length direction of the inserted rod part (51).