CN211715999U

CN211715999U - Cutter head oil way conveying structure

Info

Publication number: CN211715999U
Application number: CN202020239690.7U
Authority: CN
Inventors: 贺子龙; 石鑫; 葛建伟; 卫连生; 姬志恒
Original assignee: Headman Shanghai Automation Technology Co ltd
Current assignee: Headman Shanghai Automation Technology Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-10-20
Anticipated expiration: 2030-03-02

Abstract

The utility model provides a blade disc oil circuit transport structure belongs to mechanical technical field. The problem that the conventional cutter tower assembly cannot convey hydraulic oil and the like to functional accessories is solved. The cutter head oil path conveying structure is arranged in a cutter tower assembly, the cutter tower assembly comprises a cutter tower box, a fixed shaft, a cutter head, a box body and a supporting sleeve, the cutter head oil path conveying structure comprises an oil inlet channel arranged in the side wall of the cutter tower box, an oil inlet hole is formed in the outer side surface of the cutter tower box, an installation hole is formed in the supporting sleeve, an oil through shaft is inserted in the installation hole, and the front end of the oil through shaft is fixedly connected with the cutter head; the oil passing channel I is arranged in the fixed shaft, the oil passing channel II is arranged in the box body, the oil passing channel III is further arranged in the supporting sleeve, an annular oil passing ring cavity is arranged between the wall surface of the mounting hole and the outer side surface of the oil passing shaft, and the oil outlet channel is formed in the oil passing shaft. The cutter tower component provided with the cutter head oil path conveying structure can normally convey hydraulic oil to functional accessories fixed on the cutter head.

Description

Cutter head oil way conveying structure

Technical Field

The utility model belongs to the technical field of machinery, a blade disc oil circuit transport structure is related to.

Background

With the complexity of workpiece machining, a turret capable of mounting a plurality of tools is widely used in machine tools. The cutter tower comprises a rotatable cutter disc, a plurality of cutters are fixed on the circumference of the cutter disc, and the cutters are switched by rotating the cutter disc in the machining process of the machine tool.

The patent literature document of china discloses a lathe turret component with stable operation [ application number: CN 201710093822.2; the notice number is: 106670520B ], the device comprises a casing, a fixed shaft is arranged on the casing, an annular cutter head capable of rotating around the fixed shaft is sleeved outside the fixed shaft, a gear disc is coaxially and fixedly arranged on the cutter head, a driving motor for driving the gear disc is arranged in the casing, and a ball bearing is arranged between the cutter head and the fixed shaft. The driving motor works to drive the gear disc to rotate, so that the cutter disc is driven to rotate on the fixed shaft.

Because the existing multi-axis compound processing machine tool is developed rapidly, multi-spindle multi-turret compound processing equipment becomes a development trend of future equipment. In a multi-spindle multi-turret combined machining apparatus, various machine tool functional accessories are often further provided, for example, a hydraulic center frame or a hydraulic loading and unloading device is used on a turret. These functional accessories are hydraulically driven, hydraulic oil needs to be fed to the functional accessories through an external oil pipe, and the functional accessories are mounted and fixed on a cutter head of a cutter tower and rotate along with the cutter head, which causes the external oil pipe to be twisted, thereby causing difficulty in supplying hydraulic oil to the functional accessories.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a blade disc oil circuit transport structure, solved current tool turret subassembly and can not carry the technical problem of hydraulic oil to functional accessories.

The purpose of the utility model can be realized by the following technical proposal:

a cutter head oil path conveying structure is arranged in a cutter head assembly, the cutter head assembly comprises a cutter head box, a fixed shaft is fixed in the cutter head box, and a rotatable cutter head is sleeved on the fixed shaft; the oil-passing shaft is arranged in the box body, the supporting sleeve is also internally provided with an oil-passing channel I, an annular oil-passing ring cavity is arranged between the hole wall surface of the mounting hole and the outer side surface of the oil-passing shaft, sealing rings are arranged between the hole wall surface of the mounting hole and the outer side surface of the oil-passing shaft in front of and behind the oil-passing ring cavity, and the oil inlet channel, the oil-passing channel I, the oil-passing channel II, the oil-passing channel III and the oil-passing ring cavity are sequentially communicated; an oil outlet channel is formed in the oil inlet shaft, one end of the oil outlet channel is communicated with the oil passing ring cavity, and the other end of the oil outlet channel penetrates through the outer side face of the front end of the oil inlet shaft.

The functional accessories are fixedly connected to the cutter head, and oil holes in the functional accessories are directly butted with outlets of the oil outlet channels. An oil inlet hole on the outer side surface of the cutter tower box is connected with an external oil pipe, hydraulic oil enters an oil inlet channel of the cutter tower box from the external oil pipe, then sequentially enters an oil passing channel I of the fixed shaft, an oil passing channel II of the box body and an oil passing channel III of the supporting sleeve into an oil passing ring cavity between the supporting sleeve and the oil passing shaft, then flows out through an oil outlet channel of the oil passing shaft and enters the functional accessory.

Because the oil through shaft is fixedly connected with the cutter head, the oil through shaft can synchronously rotate with the cutter head, and the functional accessory is also fixed with the cutter head, so that the functional accessory and the oil through shaft cannot relatively rotate in the rotating process of the cutter head. Meanwhile, the oil passing ring cavity is annular, the oil outlet channel can be always communicated with the oil passing ring cavity in the rotation process of the oil passing shaft, and the sealing ring is arranged between the hole wall surface of the mounting hole and the outer side surface of the oil passing shaft, so that the leakage of hydraulic oil passing through the oil passing ring cavity in the rotation process of the oil passing shaft is avoided, and the normal supply of the hydraulic oil is ensured. And outer oil pipe passes through the inlet port and fixes on the lateral surface of sword tower case, and the sword tower case is fixed motionless, so outer oil pipe just can not take place the distortion in the pivoted in-process of blade disc yet. Therefore, the cutter tower component provided with the cutter head oil path conveying structure can normally convey hydraulic oil to functional accessories fixed on the cutter head.

In the oil circuit conveying structure of the cutter head, an oil passing small pipe is fixedly inserted into an inlet of the oil passing channel III, and the rear end of the oil passing small pipe extends out of the support sleeve and is inserted into an outlet of the oil passing channel II.

The oil passage II and the oil passage III are communicated through the small oil passage pipes, so that smoothness of an oil passage is guaranteed, and a cutter tower assembly provided with the cutter head oil passage conveying structure can normally convey hydraulic oil to functional accessories. Meanwhile, the connection between the box body and the supporting sleeve can be realized, so that the supporting sleeve and the box body are convenient to install.

In the cutter head oil path conveying structure, a convex shoulder is arranged in front of the support sleeve on the outer side surface of the oil passing shaft, a baffle is fixedly connected to the rear end surface of the oil passing shaft, and the support sleeve is axially fixed between the convex shoulder and the baffle.

The supporting sleeve is axially fixed by the convex shoulder and the baffle, so that the axial displacement between the oil passing shaft and the supporting sleeve in the rotation process of the oil passing shaft can be prevented, the annular oil passing cavity and the oil outlet channel are kept smooth, the oil path is integrally smooth, and the cutter tower assembly provided with the cutter head oil path conveying structure can be used for normally conveying hydraulic oil to functional accessories.

In the oil path conveying structure of the cutter head, the back end face of the support sleeve is provided with an avoiding groove, and the baffle is embedded into the avoiding groove. The baffle is hidden in the avoiding groove, the baffle is prevented from protruding out of the rear end face of the supporting sleeve to influence the butt joint of the supporting sleeve and the box body, the smoothness of an oil path between the oil passage II and the oil passage III is guaranteed, and the cutter tower assembly provided with the cutter head oil path conveying structure can be used for normally conveying hydraulic oil to functional accessories.

In foretell blade disc oil circuit transport structure, be connected with the connection pad between blade disc and the logical oil axle, the outer edge and the blade disc fixed connection of connection pad, the center department of connection pad has connecting portion, be provided with the accommodation hole in the connecting portion, support the cover cartridge in the accommodation hole, convex fender shoulder has on the hole wall of accommodation hole front end, it is spacing in the rear of keeping off the shoulder to support the cover, logical oil axle and connecting portion fixed connection, and the accommodation hole is stretched out to the front end of logical oil axle.

During assembly, the supporting sleeve and the oil passing shaft are installed well, then the supporting sleeve is inserted into the accommodating hole, the front end of the oil passing shaft extends out of the accommodating hole, the oil passing shaft is fixed on the connecting portion, the connecting disc, the oil passing shaft and the supporting sleeve form a whole, the whole is installed on the cutter disc, two ends of the oil passing small pipe are connected to the oil passing channel III and the oil passing channel II, and then the connecting disc is fixed on the cutter disc. The arrangement makes the support sleeve and the oil through shaft convenient to install.

In the oil path conveying structure of the cutter head, the front end face of the support sleeve is provided with the convex ring, the rear end face of the retaining shoulder is provided with the annular groove, and the convex ring is embedded into the annular groove. The convex ring and the annular groove are matched and positioned, so that the connecting disc and the supporting sleeve are accurately positioned in the radial direction, the oil through shaft is accurately positioned in the connecting disc in the radial direction, and the oil through shaft is conveniently butted with the functional accessory.

In the cutter head oil path conveying structure, a sealing gasket is arranged between the fixed shaft and the cutter tower box and at the communication position of the oil inlet channel and the oil passing channel I. The arrangement of the sealing washer ensures that an oil way is smooth and does not leak.

Compared with the prior art, the utility model has the advantages of it is following:

the cutter tower assembly provided with the cutter head oil path conveying structure can normally convey hydraulic oil to functional accessories fixed on a cutter head. The supporting sleeve and the box body are connected through a small oil pipe, so that the supporting sleeve and the box body are fixed while normal hydraulic oil conveying is guaranteed. The supporting sleeve and the oil through shaft are axially fixed through the convex shoulder and the baffle plate, and normal delivery of hydraulic oil is guaranteed. The support sleeve, the oil through shaft and the connecting disc are connected through a connecting structure, so that the support sleeve, the oil through shaft and the connecting disc are convenient to install.

Drawings

FIG. 1 is an elevation view of a turret assembly provided with the present cutterhead oil circuit transport arrangement;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken in the direction B-B of FIG. 2;

fig. 4 is a partially enlarged view of fig. 3 at the oil feed shaft.

In the figure, 1, a knife tower box; 1a, an oil inlet hole; 1b, an oil inlet channel; 2. a fixed shaft; 2a, a first oil passing channel; 3. a cutter head; 4. a box body; 4a, a second oil passage; 5. a support sleeve; 5a, mounting holes; 5b, a third oil passage; 5c, avoiding the groove; 5d, a convex ring; 6. an oil through shaft; 6a, an oil outlet channel; 6b, passing through an oil ring cavity; 6c, shoulder; 7. a baffle plate; 8. passing through small oil pipes; 9. a connecting disc; 9a, a connecting part; 9b, a receiving hole; 9c, a shoulder; 9d, an annular groove; 10. and (5) sealing rings.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1-4, a cutter head oil path conveying structure is arranged in a cutter tower assembly, the cutter tower assembly includes a cutter tower box 1, a fixed shaft 2 is fixed in the cutter tower box 1, and a rotatable cutter head 3 is sleeved on the fixed shaft 2. The cutter head oil path conveying structure comprises an oil inlet channel 1b arranged in the side wall of the cutter tower box 1, and an oil inlet hole 1a communicated with the oil inlet channel 1b is formed in the outer side surface of the cutter tower box 1. The front end of the fixed shaft 2 is fixed with a box body 4, the front end of the box body 4 is fixed with a supporting sleeve 5, a mounting hole 5a is arranged in the supporting sleeve 5, a rotatable oil through shaft 6 is inserted in the mounting hole 5a, and the front end of the oil through shaft 6 extends out of the supporting sleeve 5 and is fixedly connected with the cutter head 3. The fixed shaft 2 is provided with a first oil passage 2a, the box body 4 is provided with a second oil passage 4a, the support sleeve 5 is also provided with a third oil passage 5b, and the oil shaft 6 is provided with an oil outlet passage 6 a. An annular oil passing annular cavity 6b is formed between the wall surface of the mounting hole 5a and the outer side surface of the oil passing shaft 6, the oil inlet channel 1b, the oil passing channel I2 a, the oil passing channel II 4a, the oil passing channel III 5b and the oil passing annular cavity 6b are sequentially communicated, one end of the oil outlet channel 6a is connected with the oil passing annular cavity 6b, and the other end of the oil outlet channel 6a penetrates through the outer side surface of the front end of the oil passing shaft 6. The oil inlet hole 1a, the oil inlet channel 1b, the oil passing channel I2 a, the oil passing channel II 4a, the oil passing channel III 5b, the oil passing ring cavity 6b and the oil outlet channel 6a form an oil path, and in the embodiment, two oil paths are arranged in the cutter tower assembly. The number of oil passages is related to the number of functional accessories, and the number of oil passages can be increased or decreased in the cutter tower assembly.

And a sealing gasket is arranged between the fixed shaft 2 and the knife tower box 1 at the communication position of the oil inlet channel 1b and the oil passing channel 2 a. A gasket is arranged between the rear end face of the box body 4 and the front end face of the fixed shaft 2, small holes communicated with the first oil passing channel 2a and the second oil passing channel 4a are formed in the gasket, a sealing washer is arranged between the gasket and the box body 4 at the communication position of the small holes and the second oil passing channel 4a, and the sealing washer is arranged between the fixed shaft 2 and the gasket at the communication position of the first oil passing channel 2a and the small holes. An oil passing small pipe 8 is fixedly inserted into an inlet of the oil passing channel III 5b, and the rear end of the oil passing small pipe 8 extends out of the support sleeve 5 and is inserted into an outlet of the oil passing channel II 4 a. An O-shaped ring is arranged between the outer side surface of the oil passing small pipe 8 and the inner side surface of the oil passing channel II 4a, and an O-shaped ring is also arranged between the outer side surface of the oil passing small pipe 8 and the inner side surface of the oil passing channel III 5 b.

A convex shoulder 6c is arranged on the outer side surface of the oil through shaft 6 in front of the support sleeve 5, a baffle 7 is fixedly connected to the rear end surface of the oil through shaft 6, and the support sleeve 5 is axially fixed between the shoulder 6c and the baffle 7. The baffle 7 is fixedly connected to the oil through shaft 6 through screws, and the two screws are symmetrically arranged. An avoiding groove 5c is formed in the rear end face of the support sleeve 5, and the baffle 7 is embedded into the avoiding groove 5 c. An annular oil through ring groove is formed in the outer side face of the oil through shaft 6 and communicated with the oil outlet channel 6a, and an oil through ring cavity 6b is formed between the outer side face of the oil through shaft 6 and the wall face of the mounting hole 5a and located at the oil through ring groove. Sealing rings 10 are arranged in front of and behind the oil ring passing cavity 6b between the hole wall surface of the mounting hole 5a and the outer side surface of the oil passing shaft 6, a fixing groove is formed in the hole wall surface of the mounting hole 5a, and the sealing rings 10 are fixed in the fixing groove.

A connecting disc 9 is connected between the cutter disc 3 and the oil through shaft 6, the outer edge of the connecting disc 9 is fixedly connected with the cutter disc 3, a connecting part 9a is arranged at the center of the connecting disc 9, a containing hole 9b is formed in the connecting part 9a, and the supporting sleeve 5 is inserted in the containing hole 9 b. The hole wall surface at the front end of the accommodating hole 9b is provided with a convex stopping shoulder 9c, and the supporting sleeve 5 is limited behind the stopping shoulder 9 c. A convex ring 5d is arranged on the front end face of the support sleeve 5, an annular groove 9d is arranged on the rear end face of the retaining shoulder 9c, and the convex ring 5d is embedded into the annular groove 9 d. The oil through shaft 6 is fixedly connected with the connecting portion 9a, and the front end of the oil through shaft 6 extends out of the accommodating hole 9 b. A fixing ring is arranged on the front end face of the connecting portion 9a, a threaded hole is formed in the outer side face of the fixing ring, a fastening screw is connected to the threaded hole in a threaded mode, and the inner end of the fastening screw abuts against the outer side face of the oil passing shaft 6. The oil passage shaft 6 is fixed to the connection plate 9 by a fastening screw.

The functional accessories are fixedly connected to the cutter head 3, and oil holes in the functional accessories are directly butted with an outlet of the oil outlet channel 6 a. An oil inlet hole 1a on the outer side surface of the cutter tower box 1 is connected with an external oil pipe, hydraulic oil enters an oil inlet channel 1b of the cutter tower box 1 from the external oil pipe, then sequentially passes through an oil passing channel I2 a of the fixed shaft 2, an oil passing channel II 4a of the box body 4 and an oil passing channel III 5b of the support sleeve 5, enters an oil passing ring cavity 6b between the support sleeve 5 and the oil passing shaft 6, then flows out through an oil outlet channel 6a of the oil passing shaft 6 and enters the functional accessory.

Because the oil through shaft 6 is fixedly connected with the cutter head 3, the oil through shaft 6 can synchronously rotate with the cutter head 3, and the functional accessory is also fixed with the cutter head 3, so that the functional accessory and the oil through shaft 6 cannot relatively rotate in the rotating process of the cutter head 3. Meanwhile, the oil passing ring cavity 6b is annular, the oil outlet channel 6a can be always communicated with the oil passing ring cavity 6b in the rotation process of the oil passing shaft 6, and the sealing ring 10 is arranged between the hole wall surface of the mounting hole 5a and the outer side surface of the oil passing shaft 6, so that the leakage of hydraulic oil passing through the oil passing ring cavity 6b in the rotation process of the oil passing shaft 6 is avoided, and the normal supply of the hydraulic oil is ensured. And outer oil pipe is fixed on the lateral surface of cutter tower case 1, and cutter tower case 1 is fixed, and outer oil pipe just can not take place the distortion in the pivoted in-process of blade disc 3 yet. Therefore, the cutter tower component provided with the cutter head oil path conveying structure can normally convey hydraulic oil to functional accessories fixed on the cutter head 3.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A cutter head oil path conveying structure is arranged in a cutter tower assembly, the cutter tower assembly comprises a cutter tower box (1), a fixed shaft (2) is fixed in the knife tower box (1), a rotatable cutter head (3) is sleeved on the fixed shaft (2), it is characterized in that the cutter head oil path conveying structure comprises an oil inlet channel (1b) arranged in the side wall of the knife tower box (1), an oil inlet hole (1a) communicated with the oil inlet channel (1b) is formed in the outer side surface of the knife tower box (1), a box body (4) is fixed at the front end of the fixed shaft (2), a supporting sleeve (5) is fixed at the front end of the box body (4), a mounting hole (5a) is arranged in the support sleeve (5), a rotatable oil through shaft (6) is inserted in the mounting hole (5a), the front end of the oil through shaft (6) extends out of the support sleeve (5) and is fixedly connected with the cutter head (3); the oil-passing shaft is characterized in that a first oil-passing channel (2a) is arranged in the fixed shaft (2), a second oil-passing channel (4a) is arranged in the box body (4), a third oil-passing channel (5b) is further arranged in the support sleeve (5), an annular oil-passing ring cavity (6b) is arranged between the hole wall surface of the mounting hole (5a) and the outer side surface of the oil-passing shaft (6), sealing rings (10) are arranged between the hole wall surface of the mounting hole (5a) and the outer side surface of the oil-passing shaft (6) in front of and behind the oil-passing ring cavity (6b), and the oil inlet channel (1b), the first oil-passing channel (2a), the second oil-passing channel (4a), the third oil-passing channel (5b) and the oil-passing ring cavity (6b) are sequentially communicated; an oil outlet channel (6a) is formed in the oil passing shaft (6), one end of the oil outlet channel (6a) is communicated with the oil passing ring cavity (6b), and the other end of the oil outlet channel (6a) penetrates through the outer side face of the front end of the oil passing shaft (6).

2. The oil circuit conveying structure of the cutter head according to claim 1, characterized in that a small oil passing pipe (8) is inserted and fixed into an inlet of the third oil passing channel (5b), and the rear end of the small oil passing pipe (8) extends out of the support sleeve (5) and is inserted into an outlet of the second oil passing channel (4 a).

3. A cutter oil path conveying structure according to claim 1 or 2, characterized in that a convex shoulder (6c) is arranged on the outer side surface of the oil passing shaft (6) in front of the support sleeve (5), a baffle (7) is fixedly connected to the rear end surface of the oil passing shaft (6), and the support sleeve (5) is axially fixed between the shoulder (6c) and the baffle (7).

4. The oil circuit conveying structure of the cutter head according to claim 3, wherein an avoiding groove (5c) is formed in the rear end face of the support sleeve (5), and the baffle (7) is embedded into the avoiding groove (5 c).

5. The oil circuit conveying structure of the cutter head as claimed in claim 3, wherein a connecting disc (9) is connected between the cutter head (3) and the oil through shaft (6), the outer edge of the connecting disc (9) is fixedly connected with the cutter head (3), a connecting part (9a) is arranged at the center of the connecting disc (9), a receiving hole (9b) is formed in the connecting part (9a), the supporting sleeve (5) is inserted in the receiving hole (9b), a convex blocking shoulder (9c) is arranged on the hole wall surface of the front end of the receiving hole (9b), the supporting sleeve (5) is limited at the rear of the blocking shoulder (9c), the oil through shaft (6) is fixedly connected with the connecting part (9a), and the front end of the oil through shaft (6) extends out of the receiving hole (9 b).

6. The oil circuit conveying structure of the cutter head according to claim 5, characterized in that a convex ring (5d) is arranged on the front end surface of the supporting sleeve (5), an annular groove (9d) is arranged on the rear end surface of the retaining shoulder (9c), and the convex ring (5d) is embedded into the annular groove (9 d).