CN219113076U

CN219113076U - Cutter device for chamfering inside and outside of workpiece

Info

Publication number: CN219113076U
Application number: CN202320025637.0U
Authority: CN
Inventors: 祝明元; 郭延明; 任彬; 方宗金
Original assignee: Ningguo Zhongding Precision Technology Co ltd
Current assignee: Ningguo Zhongding Precision Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-02
Anticipated expiration: 2033-01-05

Abstract

A cutter device for chamfering the inside and outside of a workpiece comprises a frame, a workpiece mounting seat and a chamfering cutter group; the workpiece mounting seat is arranged on the frame and used for driving the workpiece to rotate, the chamfering cutter group comprises a first chamfering cutter, a second chamfering cutter and a first driving piece, the first chamfering cutter and the second chamfering cutter are movably arranged on the frame and are oppositely arranged on the cutting edge, the first driving piece is arranged on the frame to adjust the relative distance between the first chamfering cutter and the second chamfering cutter, the workpiece mounting seat further comprises a distance adjusting group, the distance adjusting group is arranged on the frame to enable the chamfering cutter group to be far away from or close to the workpiece, the processing of inner and outer chamfering of the workpiece can be completed through the first chamfering cutter and the second chamfering cutter once, and the processing efficiency of the workpiece is improved.

Description

Cutter device for chamfering inside and outside of workpiece

Technical Field

The utility model relates to internal and external chamfering of a workpiece, in particular to a cutter device for chamfering the internal and external of the workpiece.

Background

When chamfering is carried out on the end face of a tubular part, the conventional chamfering cutter can only be used for inner chamfering or outer chamfering, when both the inner chamfering and the outer chamfering are needed to be chamfering, the chamfering cutter provided by the Chinese patent of CN 202317282U is applied to deep hole chamfering and is formed by a chamfering cutter main body, the chamfering cutter main body is respectively provided with an outer hexagon, a positioning circle and a chamfering cutting edge from top to bottom, and the chamfering cutting edge forms an angle of 45 degrees with the vertical direction. This chamfer sword can not be used for the processing of inside and outside chamfer simultaneously, needs to carry out secondary chamfer processing to the work piece, leads to complex operation, influences back machining efficiency.

Disclosure of Invention

Based on the technical problems in the background art, the utility model provides a cutter device for chamfering the inside and outside of a workpiece.

A cutter device for chamfering the inside and outside of a workpiece comprises a frame, a workpiece mounting seat and a chamfering cutter group; the workpiece mounting seat is arranged on the frame and used for driving the workpiece to rotate, the chamfering cutter group comprises a first chamfering cutter, a second chamfering cutter and a first driving piece, the first chamfering cutter and the second chamfering cutter are movably arranged on the frame and the cutting edges are oppositely arranged, the first driving piece is arranged on the frame to adjust the relative distance between the first chamfering cutter and the second chamfering cutter, and the workpiece mounting seat further comprises a distance adjusting group which is arranged on the frame to enable the chamfering cutter group to be far away from or close to the workpiece.

Preferably, the distance adjusting group comprises a sliding rail group arranged on the frame, a sliding seat is correspondingly arranged on the sliding rail group, and the sliding seat is fixedly connected with the chamfering cutter group.

Preferably, the sliding rail set comprises a first sliding rail and a second sliding rail, the sliding seat comprises a first sliding seat and a second sliding seat, the frame is provided with the first sliding rail, the first sliding rail is in sliding connection with the first sliding seat, the first sliding seat is provided with the second sliding rail, the second sliding rail is in sliding connection with the second sliding seat, and the sliding directions of the first sliding rail and the second sliding rail are vertical.

Preferably, the chamfering tool set further comprises a tool rest, a first tool seat and a second tool seat, the tool rest is mounted on the sliding seat, the first tool seat and the second tool seat are respectively in threaded connection with the first chamfering tool and the second chamfering tool towards one end of a workpiece, a limiting groove is formed in one end, close to the workpiece, of the tool rest, and the first tool seat and the second tool seat are slidably mounted in the limiting groove.

Preferably, the first driving piece comprises a screw rod provided with opposite threads and a rotating motor, the rotating motor is arranged on the tool rest, an output shaft is coaxially connected with the screw rod, and the first tool seat and the second tool seat are arranged on two sides of the opposite threads of the screw rod;

preferably, the second slide seat is further provided with a blanking assembly, the blanking assembly comprises a second driving piece and a cutting knife, the driving end of the second driving piece is fixedly connected with the cutting knife, and the telescopic direction of the second driving piece is radially parallel to the workpiece.

According to the tool device for chamfering the inner and outer surfaces of the workpiece, the first chamfering tool and the second chamfering tool can finish machining the inner and outer surfaces of the workpiece at one time, and the machining efficiency of the workpiece is improved;

simultaneously, realize adjusting first chamfer sword, second chamfer sword interval through first driving piece, and then adapt to the work piece of different wall thicknesses, improve the practicality of device.

Drawings

FIG. 1 is a schematic view of a tool assembly for chamfering the inside and outside of a workpiece according to the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

fig. 3 is a schematic view of the chamfering tool set of fig. 2.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-2, the utility model provides a tool device for chamfering the inside and outside of a workpiece, which comprises a frame, a workpiece mounting seat 1 and a chamfering tool set 2; the workpiece mounting seat 1 is mounted on a frame and used for driving the workpiece 3 to rotate, the chamfering tool set 2 comprises a first chamfering tool 21, a second chamfering tool 22 and a first driving piece, the first chamfering tool 21 and the second chamfering tool 22 are movably mounted on the frame and the cutting edges are arranged oppositely, the first driving piece is mounted on the frame so as to adjust the relative distance between the first chamfering tool 21 and the second chamfering tool 22, the workpiece mounting seat further comprises a distance adjusting set 5, and the distance adjusting set 5 is mounted on the frame and connected with the chamfering tool set 2 so as to enable the chamfering tool set 2 to be far away from or close to the workpiece 3;

when the inner and outer chamfering is needed to be carried out on the workpiece 3, the tubular workpiece 3 is placed on the workpiece mounting seat 1, the distance adjusting group 5 drives the chamfering cutter group 2 to the workpiece 3 so that the first chamfering cutter 21 and the second chamfering cutter 22 are positioned on two sides of the pipe wall of the tubular workpiece 3, the first driving piece drives the first chamfering cutter 21 and the second chamfering cutter 22 to approach the pipe wall until the first chamfering cutter and the second chamfering cutter contact the pipe wall, and meanwhile, the workpiece mounting seat 1 drives the workpiece 3 to rotate, and the first driving piece drives the first chamfering cutter 21 and the second chamfering cutter 22 to approach the workpiece 3, so that different angles of the inner and outer chamfering of the workpiece can be processed;

in this embodiment, the first chamfer sword, second chamfer sword is triangle-shaped, the interval between first chamfer sword, the second chamfer sword cutting edge is from the knife tip to knife rest direction diminish gradually.

In a further embodiment, the workpiece mounting seat 1 comprises a workpiece clamp and a clamp driving piece, wherein the driving end of the clamp driving piece is connected with the workpiece clamp to drive the workpiece 3 to rotate; the workpiece clamp is a lathe clamp in the prior art, and the clamp driving piece is a lathe spindle;

the difference between this embodiment and the previous embodiment is: the workpiece clamp comprises a sleeve for clamping and fixing a workpiece 3, a gear ring is sleeved on the periphery of the sleeve, the first driving piece comprises a rotating motor 5, the rotating motor 5 is arranged on a rack, a transmission gear meshed with the gear ring is coaxially arranged at the output end of the rotating motor 5, and the rotating motor can be one of a servo motor and a gear motor;

the transmission gear is driven to rotate by the rotating motor, the sleeve is further driven to rotate by the rotation of the gear ring, and then the workpiece 3 is driven to rotate;

in a further embodiment, the workpiece mounting seat 1 further comprises two supporting seats distributed along the same straight line, a circular arc supporting groove is formed in the upper portion of the supporting seat, a plurality of grooves are formed in the inner side of the supporting groove, balls are correspondingly arranged in each groove, when the sleeve rotates, the sleeve is supported by the supporting seat to be suitable for processing of the subsequent chamfering tool set 2, and friction between the sleeve and the supporting seat is reduced by the aid of the balls.

In this embodiment, the distance adjusting set 5 includes a sliding rail set provided on a frame, on which a sliding seat is mounted, and the sliding seat is fixedly connected with the chamfering tool set 2; the sliding rail set comprises a first sliding rail 41 and a second sliding rail 42, the sliding seats comprise a first sliding seat 43 and a second sliding seat 44, the first sliding rail 41 which is horizontally arranged is arranged on the rack, the first sliding rail 41 is in sliding connection with the first sliding seat 43, the first sliding seat 43 is provided with the second sliding rail 42 which is vertically arranged, and the second sliding rail 42 is in sliding connection with the second sliding seat 44; or the first sliding rail 41 is vertically arranged, and the second sliding rail 42 is horizontally arranged;

the chamfering tool set 2 can be adjusted in multiple directions by arranging the first sliding seat 43 and the second sliding seat 44, so that the chamfering tool set 2 can be conveniently moved to a proper position of the workpiece 3, and chamfering processing of the workpiece 3 is realized.

The difference between this embodiment and the previous embodiment is: the distance adjusting group 5 comprises a double screw rod, and the sliding seat is installed on the double screw rod in a sliding manner;

in a further embodiment, the distance adjusting set 5 further includes a distance adjusting motor, the distance adjusting motor is a first cylinder and a second cylinder, and telescopic ends of the first cylinder and the second cylinder are respectively connected with the first sliding seat 43 and the second sliding seat 44; any device which can drive the sliding seat to linearly move in the prior art such as a screw rod and the like can also be adopted;

in this embodiment, the chamfering tool set 2 further includes a tool rest 23, a first tool holder 25, and a second tool holder 26, where the tool rest 23 is clamped on the slide, one ends of the first tool holder 25 and the second tool holder 26 facing the workpiece 3 are respectively connected with the first chamfering tool 21 and the second chamfering tool 22 by bolts, one end of the tool rest 23 near the workpiece 3 is provided with a limit groove, and the first tool holder 25 and the second tool holder 26 are slidably mounted in the limit groove and fix the same by positioning pins;

the wall thickness of the round pipe workpiece 3 is measured, the distance between the first chamfering cutter 21 and the second chamfering cutter 22 is adjusted, the wall thickness is consistent with the distance between the first chamfering cutter 21 and the second chamfering cutter 22, and the first chamfering cutter 21 and the second chamfering cutter 22 are fixed on the cutter rest 23 through positioning pins;

in a further embodiment, the first driving member includes a screw rod with opposite threads and a rotating motor 61, the rotating motor 61 is mounted on the tool rest 23, the output shaft is coaxially connected with the screw rod, and the first tool holder 25 and the second tool holder 26 are mounted on two sides of the screw rod with opposite threads;

the screw rod is driven to rotate through the rotating motor 61, the first chamfering cutter 21 and the second chamfering cutter 22 are driven to be close to and far away from each other, the first chamfering cutter seat 25 and the second chamfering cutter seat 26 are limited in the limiting groove, and further linear movement of the first chamfering cutter 21 and the second chamfering cutter 22 is guaranteed, so that adaptive machining of workpieces 3 with different wall thicknesses is guaranteed.

The implementation differs from the previous embodiment: the first driving piece comprises a first cylinder and a second cylinder which are arranged at two ends of the tool rest 23, the first cylinder and the second cylinder are oppositely arranged, the telescopic ends of the first cylinder and the second cylinder are fixedly connected with the first tool seat 25 and the second tool seat 26, and the first chamfering tool 21 and the second chamfering tool 22 are driven to be far away from or close to each other through the first cylinder and the second cylinder so as to adapt to chamfering processing of different workpieces 3.

In this embodiment, the second slide 44 is further provided with a blanking assembly 7, where the blanking assembly 7 includes a second driving member and a cutting blade, the driving end of the second driving member is fixedly connected with the cutting blade, the expansion direction of the second driving member is radially parallel to the workpiece 3, and the second driving member is an air cylinder;

the working principle of the utility model is as follows: firstly, after a tubular workpiece 3 is fixed on a workpiece mounting seat 1, a distance adjusting group 5 drives a chamfering cutter group 2 to move near the pipe wall of the workpiece 3, the cutting edges of a first chamfering cutter 21 and a second chamfering cutter 22 are adjusted to contact from the inner side and the outer side of the pipe wall, a lathe fixture is started to drive the workpiece 3 to rotate, and the distance adjusting group 5 can be utilized to drive the chamfering cutter group 2 to gradually approach the pipe wall of the workpiece 3 so as to realize chamfering processing of the pipe wall of the workpiece 3 at different angles; the first driving component can also be utilized to drive the first chamfering cutter 21 and the second chamfering cutter 22 to approach gradually in the processing process so as to realize chamfering processing of different angles of the pipe wall.

Claims

1. The tool device for chamfering the inside and outside of the workpiece is characterized by comprising a frame, a workpiece mounting seat (1) and a chamfering tool set (2); the workpiece mounting seat (1) is arranged on the frame and used for driving the workpiece (3) to rotate, the chamfering tool set (2) comprises a first chamfering tool (21), a second chamfering tool (22) and a first driving piece, the first chamfering tool (21) and the second chamfering tool (22) are movably arranged on the frame and the cutting edges are oppositely arranged, the first driving piece is arranged on the frame and used for adjusting the relative distance between the first chamfering tool (21) and the second chamfering tool (22), the workpiece mounting seat further comprises a distance adjusting set (5), and the distance adjusting set (5) is arranged on the frame so that the chamfering tool set (2) is far away from or close to the workpiece (3).

2. A tool device for chamfering inside and outside of a workpiece as claimed in claim 1, characterized in that the distance adjusting group (5) comprises a slide rail group provided on a frame, on which slide rail group a slide is mounted, which slide is fixedly connected with the chamfering tool group (2).

3. The tool device for chamfering inside and outside workpieces according to claim 2, wherein the sliding rail set comprises a first sliding rail (41) and a second sliding rail (42), the sliding seats comprise a first sliding seat (43) and a second sliding seat (44), the first sliding rail (41) is arranged on the rack, the first sliding rail (41) is in sliding connection with the first sliding seat (43), the first sliding seat (43) is provided with a second sliding rail (42), the second sliding rail (42) is in sliding connection with the second sliding seat (44), and the sliding directions of the first sliding rail (41) and the second sliding rail (42) are perpendicular.

4. A tool device for chamfering inside and outside of a workpiece according to claim 2, characterized in that the chamfering tool set (2) further comprises a tool rest (23), a first tool holder (25) and a second tool holder (26), the tool rest (23) is mounted on the sliding seat, one end of the first tool holder (25) and one end of the second tool holder (26) facing the workpiece (3) are respectively in threaded connection with the first chamfering tool (21) and the second chamfering tool (22), a limit groove (27) is formed in one end, close to the workpiece (3), of the tool rest (23), and the first tool holder (25) and the second tool holder (26) are slidably mounted in the limit groove (27).

5. A tool arrangement for chamfering a workpiece as claimed in claim 4, characterized in that the first driving member comprises a screw rod provided with opposite threads at both ends, a rotary motor (61), the rotary motor (61) being mounted on the tool holder (23) and the output shaft being coaxially connected to the screw rod, the first tool holder (25) and the second tool holder (26) being mounted on opposite sides of the screw rod.

6. A tool arrangement for chamfering inside and outside a workpiece as claimed in claim 3, characterized in that the second slide (44) is further provided with a blanking assembly (7) comprising a second driving member, a cutting blade, the driving end of the second driving member being fixedly connected with the cutting blade and the direction of extension being radially parallel to the workpiece (3).