CN211889163U

CN211889163U - Outer cylinder chamfering machine tool and clamping device thereof

Info

Publication number: CN211889163U
Application number: CN201922273082.8U
Authority: CN
Inventors: 黄应勇; 陈超山; 李宏军; 曾林; 阙燚彬; 邓海英; 毛丹丹; 蓝卫东; 莫文锋
Original assignee: Liuzhou Vocational and Technical College
Current assignee: Liuzhou Vocational and Technical College
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-11-10
Anticipated expiration: 2029-12-17

Abstract

An outer cylindrical chamfering machine tool comprises a milling cutter, a dragging plate, a main motor and a clamping device, wherein the clamping device comprises a driving wheel I, a driving wheel II, a circumferential feeding input gear, a driving gear I, a driving gear II, a cylinder, a pressing wheel and a feeding motor; the horizontal planes of the pressing wheel, the driving wheel I and the driving wheel II are arranged in a triangular shape, and the pressing wheel, the driving wheel I and the driving wheel II are used for pressing a workpiece together; the pinch roller is movably connected with the end part of a telescopic rod of the air cylinder through a pinch roller shaft; the driving wheel I is fixedly connected with the driving gear I through a shaft I, and the driving wheel II is fixedly connected with the driving gear II through a shaft II; the circumferential feeding input gear is respectively meshed with the driving gear I and the driving gear II; the output shaft of the feeding motor is fixedly connected with the circumferential feeding input gear; the milling cutters are two and are respectively positioned at two ends of the workpiece. The angle size that this lathe was poured is even to can process the both ends chamfer of cylinder simultaneously, improve production efficiency.

Description

Outer cylinder chamfering machine tool and clamping device thereof

Technical Field

The utility model relates to a lathe, especially an outer cylinder chamfer lathe and clamping device thereof.

Background

The outer cylinder chamfering is generally finished by a turning process, a machine tool used is generally that a chuck is arranged at the end part of a lathe spindle, then a workpiece is fixed on the chuck, the spindle drives the workpiece to rotate around the center of the lathe spindle, and a turning tool feeds to perform outer chamfering processing on the workpiece. The technology has the following defects: 1. if the geometric center of the outer cylinder is inconsistent with the center of the lathe spindle, the size of the poured angle is not uniform; if the outer cylinder has an ellipse phenomenon, the size of the poured angle is not uniform; therefore, burrs cannot be removed, the assembly of parts is not convenient, the machining precision is poor, and the attractiveness of the product is influenced. 2. The two ends of the cylinder cannot be chamfered simultaneously, the speed is low, and the efficiency is low.

Disclosure of Invention

The utility model aims at providing an outer cylinder chamfer lathe and clamping device thereof, the angle size of pouring is even to can process the both ends chamfer of cylinder simultaneously, improve production efficiency, the above-mentioned prior art's of solution that can be fine problem.

The technical scheme for solving the problems is as follows: a clamping device of an outer cylindrical chamfering machine tool comprises a driving wheel I, a driving wheel II, a circumferential feeding input gear, a driving gear I, a driving gear II, a cylinder, a pressing wheel and a feeding motor; the horizontal planes of the pressing wheel, the driving wheel I and the driving wheel II are arranged in a triangular shape, and the pressing wheel, the driving wheel I and the driving wheel II are used for pressing a workpiece together; the pinch roller is movably connected with the end part of a telescopic rod of the air cylinder through a pinch roller shaft; the driving wheel I is fixedly connected with the driving gear I through a shaft I, and the driving wheel II is fixedly connected with the driving gear II through a shaft II; the circumferential feeding input gear is respectively meshed with the driving gear I and the driving gear II; the output shaft of the feeding motor is fixedly connected with the circumferential feeding input gear; through thereby it is rotatory that feed motor drive feed motor output shaft drives the circumference and feeds input gear, and then drives drive gear I and drive gear II and rotate simultaneously, realizes drive wheel I and drive wheel II drive the work piece rotation jointly.

The further technical scheme is as follows: the clamping device also comprises an auxiliary supporting plate for placing the workpiece.

The further technical scheme is as follows: the horizontal planes of the pinch roller, the driving wheel I and the driving wheel II are isosceles triangles.

The further technical scheme is as follows: the driving wheel I and the driving wheel II are identical in structure size.

The other related technical scheme is as follows: an outer cylinder chamfering machine tool comprises a milling cutter, a planker and a main motor, wherein the main motor and the milling cutter are fixed on the planker, and the planker reciprocates through a driving mechanism; the clamping device of the outer cylindrical chamfering machine tool is also included; the two milling cutters are symmetrically arranged between the driving wheel I and the driving wheel II and are respectively positioned at two ends of the workpiece; the main motor output shaft of the main motor is fixedly connected with the two milling cutters; the main motor drives the output shaft of the main motor to rotate so as to drive the two milling cutters to rotate.

Since the technical scheme is used, the utility model relates to an outer cylinder chamfer lathe and clamping device thereof has following characteristics and beneficial effect:

(1) the utility model discloses outer clamping device of cylinder chamfer lathe utilizes drive wheel I11, drive wheel II 12 and pinch roller 9 tricycle roll and extrude the principle and rotate and spacing fixed work piece (cylinder), it is rotatory to utilize the centering of two drive wheels of drive wheel I11 and drive wheel II 12 and drive the work piece rotation, two drive wheels make the work piece rotation more steady, two drive wheels walk the excircle location of work piece promptly, make work piece and milling cutter's distance keep invariable, the machining precision is high, even the work piece excircle has oval phenomenon also can guarantee that the angle of pouring is symmetrical pleasing to the eye, the assembly of being convenient for, and the effectual burr of getting rid of on the work piece, make the product unsharpness, can not cut the user, guarantee the quality of product.

(2) The utility model relates to an outer cylinder chamfer lathe installs two milling cutters to install between I11 of drive wheel and II 12 of drive wheel, be located the both ends of work piece 2 respectively, can carry out chamfer processing to the both ends of cylinder simultaneously, improve production efficiency.

The technical features of an outer cylindrical chamfering machine and its clamping device according to the present invention will be further described with reference to the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic top view of a clamping device of an outer cylindrical chamfering machine tool according to the present invention;

fig. 2 is a cross-sectional view a-a of fig. 1.

In the figure:

1-auxiliary supporting plate, 2-workpiece, 3-milling cutter; 4-carriage, 5-main motor, 6-circumferential feeding input gear, 71-driving gear I, 72-driving gear II, 8-cylinder, 9-pinch roller, 10-feeding motor, 11-driving wheel I, 12-driving wheel II;

the motor comprises an a-shaft I, a b-shaft II, a c-pinch roller shaft, a d-feeding motor output shaft and an e-main motor output shaft.

Detailed Description

Example 1:

as shown in fig. 1 and 2: a clamping device of an outer cylindrical chamfering machine tool comprises an auxiliary supporting plate 1, a driving wheel I11, a driving wheel II 12, a circumferential feeding input gear 6, a driving gear I71, a driving gear II 72, a cylinder 8, a pressing wheel 9 and a feeding motor 10;

the pressing wheel 9, the driving wheel I11 and the driving wheel II 12 are arranged in a triangular shape on the horizontal plane, and the pressing wheel 9, the driving wheel I11 and the driving wheel II 12 are used for pressing the workpiece 2 together; the cylindrical workpiece 2 of the embodiment is vertically placed on the auxiliary supporting plate 1, and the pressing wheel 9 presses the workpiece 2 from the side, so that the circle of the cross section of the cylinder is just tangent to the circumferences of the driving wheel I11 and the driving wheel II 12.

The pinch roller 9 is movably connected with the end part of the telescopic rod of the cylinder 8 through a pinch roller shaft c; the press wheel 9 is rotatable relative to the press wheel shaft c. The driving wheel I11 is fixedly connected with a driving gear I71 through a shaft Ia, and the driving wheel II 12 is fixedly connected with a driving gear II 72 through a shaft IIb; the driving gear I71 and the driving gear II 72 are respectively positioned right below the driving wheel I11 and the driving wheel II 12; the circumferential feeding input gear 6 is respectively meshed with a driving gear I71 and a driving gear II 72 (see figure 1) and is positioned below the workpiece 2; a feeding motor output shaft d of the feeding motor 10 is fixedly connected with the circumferential feeding input gear 6; the feeding motor 10 drives the output shaft of the feeding motor to rotate so as to drive the circumferential feeding input gear 6 to rotate, and further drive the driving gear I71 and the driving gear II 72 to rotate simultaneously, so that the driving wheel I11 and the driving wheel II 12 drive the workpiece to rotate together. The telescopic rod is controlled to stretch by the cylinder so that the pressing wheel 9 compresses the workpiece 2.

The horizontal planes of the pinch roller 9, the driving wheel I11 and the driving wheel II 12 are preferably isosceles triangles, so that the stress of the workpiece is balanced, and the workpiece rotates stably.

The driving wheel I11 and the driving wheel II 12 are identical in structure and size.

Example 2:

an outer cylinder chamfering machine tool comprises a milling cutter 3, a planker 4, a main motor 5 and a clamping device. The main motor 5 and the milling cutter 3 are fixed on the carriage 4, and the carriage 4 reciprocates through a driving mechanism; the drive mechanism is, for example, a spindle drive. The clamping device is the clamping device in embodiment 1 and comprises a driving wheel I11, a driving wheel II 12, a circumferential feeding input gear 6, a driving gear I71, a driving gear II 72, a cylinder 8, a pressing wheel 9 and a feeding motor 10; the pressing wheel 9, the driving wheel I11 and the driving wheel II 12 are arranged in a triangular shape on the horizontal plane, and the pressing wheel 9, the driving wheel I11 and the driving wheel II 12 are used for pressing the workpiece 2 together; the pinch roller 9 is movably connected with the end part of the telescopic rod of the cylinder 8 through a pinch roller shaft c; the driving wheel I11 is fixedly connected with a driving gear I71 through a shaft Ia, and the driving wheel II 12 is fixedly connected with a driving gear II 72 through a shaft IIb; the circumferential feeding input gear 6 is respectively meshed with a driving gear I71 and a driving gear II 72; a feeding motor output shaft d of the feeding motor 10 is fixedly connected with the circumferential feeding input gear 6; the feeding motor 10 drives the output shaft d of the feeding motor to rotate so as to drive the circumferential feeding input gear 6 to rotate, and further drive the driving gear I71 and the driving gear II 72 to rotate simultaneously, so that the driving wheel I11 and the driving wheel II drive a workpiece to rotate together.

The number of the milling cutters 3 is two, the two milling cutters are symmetrically arranged between the driving wheel I11 and the driving wheel II 12 and are respectively positioned at two ends of the workpiece 2, and the upper end and the lower end of the workpiece are respectively provided with one milling cutter as can be seen from figure 2. A main motor output shaft e of the main motor 5 is simultaneously and fixedly connected with the two milling cutters and serves as rotating shafts of the two milling cutters; the main motor 5 drives the main motor output shaft e to rotate so as to drive the two milling cutters to rotate.

The working principle of the chamfering of the outer cylindrical chamfering machine tool is as follows:

the main motor 5 drives the two milling cutters to rotate through a main motor output shaft e, so that the milling cutters 3 can rotate actively, the planker 4 drives the milling cutters 3 to move radially, and the size of a milling chamfer can be controlled; feed motor 10 and drive the circumference through feeding motor output shaft d and feed input gear 6 rotatory, the circumference feeds input gear 6 and drives drive gear I71, drive gear II 72 and rotate simultaneously, drive gear I71 drives drive wheel I11 through axle Ia and rotates, drive gear II 72 drives drive wheel II 12 through axle IIb and rotates, and the flexible pinch roller 9 that makes through cylinder control telescopic link compresses tightly work piece 2. And finally, the driving wheel I11 and the driving wheel II 12 drive the workpiece 2 to realize circular feeding motion under the action of the pressing wheel 9, and the workpiece rotates for a circle to complete the processing of chamfers at two ends.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the content of the present invention or the direct or indirect application attached to the technical field of other related products are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a clamping device of outer cylinder chamfer lathe which characterized in that: the device comprises a driving wheel I (11), a driving wheel II (12), a circumferential feeding input gear (6), a driving gear I (71), a driving gear II (72), a cylinder (8), a pressing wheel (9) and a feeding motor (10); the pressing wheel (9), the driving wheel I (11) and the driving wheel II (12) are arranged in a triangular shape on the horizontal plane, and the pressing wheel (9), the driving wheel I (11) and the driving wheel II (12) are used for pressing the workpiece (2) together; the pinch roller (9) is movably connected with the end part of a telescopic rod of the cylinder (8) through a pinch roller shaft (c); the driving wheel I (11) is fixedly connected with the driving gear I (71) through a shaft I (a), and the driving wheel II (12) is fixedly connected with the driving gear II (72) through a shaft II (b); the circumferential feeding input gear (6) is respectively meshed with the driving gear I (71) and the driving gear II (72); a feeding motor output shaft (d) of the feeding motor (10) is fixedly connected with the circumferential feeding input gear (6); through thereby feed motor (10) drive feed motor output shaft (d) and rotate and drive circumference and feed input gear (6) and rotate, and then drive gear I (71) and drive gear II (72) and rotate simultaneously, realize drive wheel I (11) and drive wheel II (12) drive the work piece rotation jointly.

2. A clamping device for an outer cylindrical chamfering machine according to claim 1, characterized in that: the clamping device also comprises an auxiliary supporting plate (1) for placing the workpiece (2).

3. A clamping device for an outer cylindrical chamfering machine according to claim 2, characterized in that: the triangles on the horizontal planes of the pinch roller (9), the driving wheel I (11) and the driving wheel II (12) are isosceles triangles.

4. A clamping device for an outer cylindrical chamfering machine according to claim 1, characterized in that: the driving wheel I (11) and the driving wheel II (12) are identical in structure and size.

5. An outer cylinder chamfering machine tool comprises a milling cutter (3), a planker (4) and a main motor (5), wherein the main motor (5) and the milling cutter (3) are fixed on the planker (4), and the planker (4) reciprocates through a driving mechanism; the method is characterized in that: the clamping device of an outer cylindrical chamfering machine tool according to any one of claims 1 to 3; the two milling cutters (3) are symmetrically arranged between the driving wheel I (11) and the driving wheel II (12) and are respectively positioned at two ends of the workpiece (2); a main motor output shaft (e) of the main motor (5) is fixedly connected with the two milling cutters; the main motor (5) drives the main motor output shaft (e) to rotate so as to drive the two milling cutters to rotate.