CN203565877U - Profile hole chamfer machining lathe - Google Patents

Abstract

The utility model relates to a special-shaped hole chamfering processing lathe, which comprises a workbench, a positioning device and a clamping device. The clamping device is installed on the workbench. The workpiece to be chamfered is clamped by the pressure plate and the rotary table connected inside the two rotary rings, and the power rotation is obtained through the left and right large gears fixed on the outside of the two rotary rings, and then symmetrically arranged on both sides of the clamping device. Move inward and extend into the inner holes at both ends of the workpiece to be chamfered, and use the end bearing of the chamfering knife to cling to the wall of the inner hole, and at the same time, the blade cuts the hole of the workpiece to be chamfered for chamfering. The utility model has the advantage of using the profiling method, using the inner wall of the inner hole to be processed as the mother shape, and performing profiling cutting on the hole, which is simple and fast.

Description

A special-shaped hole chamfering processing lathe

technical field

The utility model belongs to the technical field of profiling inner hole chamfering equipment, in particular relates to a special-shaped hole chamfering processing lathe.

Background technique

In the process of machining the inner hole, chamfering the opening of the inner hole is a very critical process, which can remove burrs, sharpness, reduce internal stress, and increase the service life of the workpiece. The chamfering method of the round hole in the prior art It is to use a larger-sized drill to ream the hole to form a chamfer, but for the chamfering of special-shaped holes such as oval and waist-shaped holes, manual methods are often used, and the hole is polished with a file, which causes chamfering. The accuracy can only reach the level of manual processing, and if the use of high-precision CNC machine tools can meet the accuracy requirements, but the cost is high.

Contents of the invention

The technical problem to be solved by the utility model is to provide a special-shaped hole chamfering processing lathe, which uses the profiling method, uses the inner wall of the inner hole to be processed as the mother shape, and performs profiling cutting on the hole, which is simple and fast.

The technical solution adopted by the utility model to solve the technical problem is: provide a special-shaped hole chamfering processing lathe, including a workbench, a positioning device and a clamping device, the clamping device is installed on the workbench, and the clamping device The positioning device is symmetrically arranged on both sides, and the clamping device includes a driving part and a pushing part, and the driving part includes a left pinion and a right pinion, and the left pinion and the right pinion are connected with the left bull gear and the right bull gear respectively. meshing, the left big gear and the right big gear are hollow and ring-shaped, and the left big gear and the right big gear are fixedly connected with the slewing rings installed in the left main bearing seat and the right main bearing seat respectively, and the left big gear The gear is fixedly connected to the left end surface of the inner slewing ring of the left main bearing seat, the right large gear is fixedly connected to the right end surface of the inner slewing ring of the right main bearing seat, and the opposite sides of the two slewing rings are fixedly connected to the pressure plate and the rotary working The lower pressing surface of the left and right two groups of pressure plates and the surface of the rotary table are parallel to each other and extend toward each other along the axial direction of the rotary ring. An intermediate guide plate is set between the left and right two groups of pressure plates and the rotary table. The intermediate guide plate is set and fixed in a cantilever manner. On the support seat, the support seat is arranged vertically, and the top is equipped with a feeding cylinder, which pushes the workpiece to be chamfered to slide along the middle guide plate, and snaps the left and right ends of the workpiece to be chamfered into the lower pressing surfaces of the left and right two sets of pressure plates Between the table and the rotary table, the positioning device includes a driving cylinder, a sliding base plate and a linear guide rail. The linear guide rail and the driving cylinder are installed on the sliding base plate. The linear guide rail and the driving cylinder piston move in the same direction. An axial slide plate is installed on the guide rail, and the axial slide plate is connected with the driving cylinder piston. The axial slide plate is connected to the mounting plate above it through a triangular bracket. An electric spindle, the electric spindle is arranged between the axial slide plate and the mounting plate, and its end is connected with a spring collet, the end of the spring collet is equipped with a self-aligning bearing, and the inner hole is equipped with a chamfering knife. The corner knife extends out of the collet, and the tool rod of the chamfering knife passes through the self-aligning bearing, the spring collet and the inner hole of the electric spindle. The end of the chamfering knife is equipped with a rolling bearing, and the chamfering knife on both sides is respectively aligned of the slewing ring.

The left pinion and the right pinion are installed on the drive shaft, and the drive shaft is arranged in a cantilever manner and installed in a pair of drive shaft bearing seats, and the other end is connected with the motor installed on the motor mounting bracket through a coupling .

Both sides of the left main bearing seat and the right main bearing seat are respectively connected with a front material guide plate and a rear material guide plate in a bolt connection mode, and the height of the material guide plate and the rear material guide plate is the same as that of the middle guide plate.

The end of the piston of the feeding cylinder is equipped with a connector to contact the workpiece to be chamfered.

The rolling bearing is mounted on the end of the chamfering knife through a snap ring.

Beneficial effect

The utility model has the advantage of using the profiling method, using the inner wall of the inner hole to be processed as the mother shape, and performing profiling cutting on the hole, which is simple and fast.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic top view of the utility model.

Fig. 3 is a partially enlarged schematic diagram of the right main bearing seat of the present invention.

Fig. 4 is a partial structural schematic diagram of the corner knife part of the utility model.

Fig. 5 is a structural schematic diagram of the pushing part of the utility model.

Detailed ways

Below in conjunction with specific embodiment, further set forth the utility model. It should be understood that these embodiments are only used to illustrate the present utility model and are not intended to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application.

As shown in Figures 1 to 5, a special-shaped hole chamfering processing lathe includes a workbench, a positioning device and a clamping device. The clamping device is installed on the workbench, and the positioning devices are arranged symmetrically on both sides of the clamping device. The clamping device includes a driving part and a pushing part, the driving part includes a left pinion 10 and a right pinion 17, and the left pinion 10 and the right pinion 17 mesh with the left bull gear 11 and the right bull gear 21 respectively , the left large gear 11 and the right large gear 21 are hollow and ring-shaped, and the left large gear 11 and the right large gear 21 are respectively fixed with the slewing ring 33 installed in the left main bearing seat 12 and the right main bearing seat 18 connection, the left large gear 11 is fixedly connected to the left end surface of the inner slewing ring 33 of the left main bearing seat 12, and the right large gear 21 is fixedly connected to the right end surface of the inner slewing ring 33 of the right main bearing seat 18, two The opposite side of the rotary ring 33 is fixedly connected with the pressure plate 34 and the rotary table 36. The lower pressing surfaces of the left and right groups of pressure plates 34 and the table surface of the rotary table 36 are parallel to each other and extend toward each other along the axial direction of the rotary ring 33. The left and right groups of pressure plates 34 and the rotary table An intermediate guide plate 27 is arranged between the workbenches 36, and the intermediate guide plate 27 is arranged and fixed on the support base 32 in a cantilever manner. The support base 32 is vertically arranged, and a feeding cylinder 30 is installed on the top, and the feeding cylinder 30 pushes The workpiece 28 to be chamfered slides along the middle guide plate 27, and the left and right ends of the workpiece 28 to be chamfered are snapped into between the lower pressing surfaces of the left and right two sets of pressure plates 34 and the table surface of the rotary table 36. The positioning device includes the driving cylinder 1, the sliding Base plate 2 and linear guide rail 3, said sliding base plate 2 is equipped with linear guide rail 3 and driving cylinder 1, said linear guide rail 3 and driving cylinder 1 have the same piston movement direction, said linear guide rail 3 is equipped with axial slide plate 5, said The axial slide plate 5 is connected with the piston of the driving cylinder 1, and the axial slide plate 5 is connected with the mounting plate 7 above it through a triangular bracket. The mounting plate 7 is equipped with a radial drive cylinder 8, and the piston of the drive cylinder 8 is connected to the electric spindle 22. The electric spindle 22 is arranged between the axial slide plate 5 and the mounting plate 7, and its end is connected with a collet 26. The end of the collet 26 is equipped with a self-aligning bearing 25, and the inner hole is equipped with a chamfer Knife 24, described chamfering knife 24 stretches out collet 26, and the knife bar of described chamfering knife 24 passes in self-aligning bearing 25, collet 26 and electric main shaft 22 inner holes, and described chamfering knife 24 Rolling bearings 37 are installed at the ends, and the chamfering knives 24 on both sides are aligned with the corresponding slewing rings 33 respectively.

The left pinion 10 and the right pinion 17 are installed on the drive shaft 14, and the drive shaft 14 is arranged in a cantilever manner and installed in a pair of drive shaft bearing seats 4, 9, and the other end is connected to the drive shaft through a coupling 20. The motor 23 on the motor mounting bracket 19 is connected.

Both sides of the left main bearing seat 12 and the right main bearing seat 18 are respectively connected with the front material guide plate 13 and the rear material guide plate 16 by means of bolt connection, and the height of the material guide plate 13 and the rear material guide plate 16 is the same as that of the middle guide plate 27 .

The piston end of the feeding cylinder 30 is equipped with a connecting head 29 to contact with the workpiece 28 to be chamfered.

The rolling bearing 37 is mounted on the end of the chamfering knife 24 through a snap ring.

Claims (5)

1. A special-shaped hole chamfering processing lathe, comprising a workbench, a positioning device and a clamping device, characterized in that, the clamping device is installed on the workbench, and the positioning device is arranged symmetrically on both sides of the clamping device, and the clamping device The clip device includes a driving part and a pushing part, the driving part includes a left pinion (10) and a right pinion (17), and the left pinion (10) and the right pinion (17) are respectively connected with the left big gear ( 11) Mesh with the right large gear (21), the left large gear (11) and the right large gear (21) are hollow and ring-shaped, and the left large gear (11) and the right large gear (21) are respectively installed with The slewing ring (33) in the left main bearing seat (12) and the right main bearing seat (18) is fixedly connected, and the left large gear (11) is fixedly connected to the slewing ring (33) in the left main bearing seat (12). On the left end face of the left end face, the right large gear (21) is fixedly connected to the right end face of the inner slewing ring (33) of the right main bearing seat (18), and the opposite side of the two slewing rings (33) is fixedly connected to the pressure plate (34 ) and the rotary table (36), the lower pressure surfaces of the left and right sets of pressure plates (34) and the surface of the rotary table (36) are parallel to each other and extend toward each other along the axial direction of the rotary ring (33), the left and right sets of pressure plates (34) and the rotary An intermediate guide plate (27) is arranged between the workbenches (36), and the intermediate guide plate (27) is set and fixed on the support base (32) in a cantilever manner. Cylinder (30), the feeding cylinder (30) pushes the workpiece to be chamfered (28) to slide along the middle guide plate (27), and snaps the left and right ends of the workpiece to be chamfered (28) into the left and right two sets of pressure plates (34) Between the pressing surface and the surface of the rotary table (36), the positioning device includes a driving cylinder (1), a sliding base plate (2) and a linear guide rail (3), and the linear guide rail (3) is mounted on the sliding base plate (2). ) and the driving cylinder (1), the linear guide (3) and the piston of the driving cylinder (1) move in the same direction, the linear guide (3) is equipped with an axial slide (5), and the axial slide (5) It is connected with the piston of the drive cylinder (1), and the axial slide plate (5) is connected with the installation plate (7) above it through the triangle bracket, and the radial drive cylinder (8) is installed on the installation plate (7), and the drive The piston of the cylinder (8) is connected to the electric spindle (22), and the electric spindle (22) is arranged between the axial slide plate (5) and the mounting plate (7), and its end is connected to the collet (26), and the spring The end of the collet (26) is equipped with a self-aligning bearing (25), and the inner hole is equipped with a chamfering knife (24). The chamfering knife (24) extends out of the spring chuck (26), and the chamfering knife ( 24) the knife rod is passed through the self-aligning bearing (25), the collet (26) and the inner hole of the electric spindle (22), the end of the chamfering knife (24) is equipped with a rolling bearing (37), the chamfering knife (24) are respectively aligned with the corresponding slewing rings (33). the 2. A special-shaped hole chamfering lathe according to claim 1, characterized in that, the left pinion (10) and the right pinion (17) are mounted on a drive shaft (14), and the drive shaft (14) Arranged in a cantilever manner and installed in a pair of drive shaft bearing housings (4, 9), the other end is connected with the motor (23) installed on the motor mounting bracket (19) through a coupling (20). the 3. A special-shaped hole chamfering lathe according to claim 1, characterized in that, the two sides of the left main bearing seat (12) and the right main bearing seat (18) are respectively connected to the front material guide plate by means of bolt connection (13) and rear material guide plate (16), described front material guide plate (13) and rear material guide plate (16) height are identical with intermediate guide plate (27). the 4. A special-shaped hole chamfering lathe according to claim 1, characterized in that, the end of the piston of the feeding cylinder (30) is equipped with a connector (29) to contact the workpiece (28) to be chamfered. the 5. The special-shaped hole chamfering lathe according to claim 1, characterized in that, the rolling bearing (37) is mounted on the end of the chamfering knife (24) through a circlip. the

Images