CN217393775U

CN217393775U - Rotary knife rest with double-shaft positioning function

Info

Publication number: CN217393775U
Application number: CN202221364248.2U
Authority: CN
Inventors: 孙雪军
Original assignee: Jiangsu Think Tank Shangduan Technology Co ltd
Current assignee: Jiangsu Think Tank Shangduan Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-09-09
Anticipated expiration: 2032-06-01

Abstract

The application relates to the technical field of rotary tool rests, in particular to a rotary tool rest with double-shaft positioning function, which comprises an installation frame, a positioning disc, a locking part, a rotary driving part arranged on the installation frame, a tool rest connected to the positioning disc and a tool connected to the tool rest; the positioning plate is connected with a power shaft of the rotary driving piece through a rotating shaft, and the two locking parts are arranged on the mounting frame and symmetrically arranged; two lock hole groups are symmetrically arranged on the positioning plate, and the locking part is in plug-in fit with the lock hole groups to lock the positioning plate. This application orders about the positioning disk through the pivot through the gyration driving piece and rotates, when rotating to required position, two sticking department are fixed a position and are locked the positioning disk simultaneously, offset some machining error, improve the reliable degree of location.

Description

Rotary knife rest with double-shaft positioning function

Technical Field

The application relates to the technical field of rotating tool holders, in particular to a rotating tool holder with double-shaft positioning function.

Background

The tool rest is one of important parts of the numerical control lathe, the structural form of most tool rests is a rotary type, and the structural form of few tool rests is a straight-line type. At present, the tool post is generally driven by a servo motor, and after the rotation is finished, the bottom of the tool post is stopped and locked by a stop piece, so as to realize positioning.

However, when the single stopper is stopped, the entire tool holder is likely to be shaken, and the stopping effect is poor. In addition, deformation force is generated during stopping, and along with the increase of the use times, a stopping hole matched with the stopping piece for stopping deforms, so that the relative position of the cutter on the cutter rest is changed, the stability of the cutter rest is reduced, the machining error is increased in subsequent machining, and the machining quality is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy of location, guarantee the stability of long-term work, the technical scheme of this application provides a rotatory knife rest with biax location. The technical scheme is as follows:

the application provides a rotary tool rest with double-shaft positioning, which comprises an installation frame, a positioning disk, a locking part, a rotary driving part arranged on the installation frame, a tool rest connected with the positioning disk and a tool connected with the tool rest; the positioning plate is coaxially connected with a power shaft of the rotary driving piece through a rotating shaft, and the two locking parts are arranged on the mounting frame and symmetrically arranged; two lock hole groups are symmetrically arranged on the positioning plate, and the locking part is in plug-in fit with the lock hole groups to lock the positioning plate.

Through above-mentioned technical scheme, the positioning disk is ordered about through the pivot to the gyration driving piece and rotates, when rotating required position, and two sticking department are fixed a position and are locked the positioning disk simultaneously, improve the reliable degree of location.

Further, the locking part comprises a positioning cylinder and a positioning pin, the positioning cylinder is arranged on the mounting frame, and the positioning pin is coaxially connected with the piston end of the positioning cylinder.

Specifically, the two locking parts are arranged in a manner of being symmetrical with respect to the axis center of the rotating shaft, the lock hole group comprises two positioning holes, and the two positioning holes are arranged in a manner of being symmetrical with respect to the axis center of the rotating shaft.

Particularly, the axis of the rotating shaft is taken as a rotating shaft, and the four positioning holes are rotationally symmetrical on the positioning disc.

Furthermore, a positioning sleeve is arranged in the positioning hole, and the positioning sleeve is in plug-in fit with the positioning pin.

Specifically, the mounting bracket is including last mounting panel, backup pad and the lower mounting panel that from top to bottom links to each other in proper order, the pivot runs through the mounting panel down, the fixed uide bushing that is equipped with that inlays on the mounting panel down, the locating pin with uide bushing sliding fit.

Particularly, the rotary driving part is a rotary cylinder, the upper mounting plate is connected with a cylinder seat, and the rotary cylinder is arranged on the cylinder seat.

Furthermore, a universal spray head is arranged on the tool rest.

Compared with the prior art, the application has the beneficial effects that: when the cutter needs to rotate, the piston end of the positioning cylinder moves upwards to link the positioning pin, and the positioning pin is separated from one lock hole group of the positioning plate until completely entering the lower mounting plate. Then, a power shaft of the rotary cylinder drives the positioning disc to rotate through the rotating shaft, when the positioning disc rotates for 90 degrees, the piston end of the positioning cylinder is linked with the positioning pin to move downwards, the positioning pin is inserted into the other lock hole group of the positioning disc, and at the moment, the positioning pin is in plug-in fit with the positioning sleeve in the lock hole group, so that reliable positioning after the tool rest rotates for 90 degrees is realized.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application, in which:

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic diagram of a locking portion according to the present application;

fig. 3 is a cross-sectional view of a puck in the present application.

Reference numerals: 1. a mounting frame; 11. an upper mounting plate; 12. a lower mounting plate; 13. a support plate; 14. a fixing plate; 2. positioning a plate; 3. a locking portion; 31. positioning the air cylinder; 32. positioning pins; 4. a rotary drive member; 41. a cylinder block; 5. a rotating shaft; 51. an angular contact bearing; 6. a tool holder; 61. a knife box; 62. a universal nozzle; 7. a lock hole group; 71. positioning holes; 8. a guide sleeve; 9. a positioning sleeve.

Detailed Description

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

However, when the single stopper is stopped, the entire tool holder is likely to be shaken, and the stopping effect is poor. In addition, deformation force is generated during stopping, and as the use times are increased, a stopping hole matched with the stopping piece for stopping deforms, so that the relative position of the cutter on the cutter frame is changed, and machining errors exist in subsequent machining.

the present application is described in further detail below with reference to fig. 1-3.

As shown in fig. 1, the present application provides a rotary tool holder with biaxial orientation, comprising a mounting frame 1, an orientation disk 2, two locking portions 3 and a rotary drive member 4 provided on the mounting frame 1. The rotary driving part 4 drives the positioning disc 2 to rotate, the two locking parts 3 simultaneously position and lock the positioning disc 2 which rotates to a required position, machining errors are offset, and the reliability of positioning is improved.

As shown in fig. 1, the mounting bracket 1 includes an upper mounting plate 11, a supporting plate 13 and a lower mounting plate 12, the upper mounting plate 11 and the lower mounting plate 12 are both horizontally disposed, and the supporting plate 13 is fixedly connected between the upper mounting plate 11 and the lower mounting plate 12. In this embodiment, three support plates 13 are provided along the contour of the upper mounting plate 11, and the mounting bracket 1 is connected to an external device through a fixing plate 14.

As shown in fig. 1, a cylinder block 41 is connected to the top surface of the upper mounting plate 11 by bolts, and the rotary driving member 4 is a rotary cylinder provided on the cylinder block 41. The power shaft of revolving cylinder is vertical setting and coaxial coupling has pivot 5, and in this embodiment, revolving cylinder's rotation angle is 0 ~ 90.

As shown in fig. 1 and 2, the rotating shaft 5 passes through the upper mounting plate 11 and the lower mounting plate 12 in sequence, and the rotating shaft 5 is rotatably engaged with the mounting frame 1 through an angular contact bearing 51. The positioning disc 2 is positioned below the lower mounting plate 12, and the positioning disc 2 is coaxially connected with the bottom end of the rotating shaft 5. The lower surface of positioning disk 2 is connected with knife rest 6, is provided with cutter box 61 and universal shower nozzle 62 on the knife rest 6, and the cutter is installed in cutter box 61.

In the working process, the power shaft of the rotary cylinder is linked with the rotating shaft 5 to rotate the linked positioning disc 2, so that the cutter is driven to rotate, and the rotation of the cutter is realized.

As shown in fig. 1 and 2, two locking portions 3 are arranged in a central symmetry along the axis of the rotating shaft 5, and the structure of each locking portion 3 is the same, and one locking portion 3 is explained as an example below. The locking part 3 comprises a positioning cylinder 31 and a positioning pin 32, the positioning cylinder 31 is connected to the upper surface of the lower mounting plate 12 through a bolt, and the bottom end of a power shaft of the positioning cylinder 31 penetrates through the lower mounting plate 12 and is connected with the positioning pin 32 in a coaxial connection mode.

As shown in fig. 2 and 3, two lock hole groups 7 are symmetrically arranged on the positioning plate 2 with the axis of the rotating shaft 5 as a center line, each lock hole group 7 includes two positioning holes 71, and the positioning holes 71 are through holes. Moreover, the connection line of the centers of two positioning holes 71 in the same group is perpendicularly intersected with the central line of the rotating shaft 5, and the centers of four positioning holes 71 are uniformly distributed on the same circle.

As shown in fig. 1 and fig. 2, in order to further improve the reliability of positioning, a guide sleeve 8 is fixedly embedded on the lower mounting plate 12, the positioning pin 32 is in sliding fit with the guide sleeve 8, and the guide sleeve 8 provides positioning and guiding for the locking process.

As shown in fig. 2 and 3, in addition, a positioning sleeve 9 is fixedly inserted into each positioning hole 71, the positioning pin 32 is in insertion fit with the positioning sleeve 9, the positioning sleeve 9 protects the positioning hole 71, and the top end of the positioning sleeve 9 is flared so that the positioning pin 32 can be smoothly inserted into the positioning sleeve 9.

The implementation principle of the application is as follows: when the cutter needs to rotate, the piston end of the positioning cylinder 31 moves upwards to link the positioning pin 32, and the positioning pin 32 is separated from one lock hole group 7 of the positioning disc 2 until completely entering the lower mounting plate 12. Then, a power shaft of the rotary cylinder drives the positioning disc 2 to rotate through the rotating shaft 5, when the positioning disc 2 rotates by 90 degrees, the piston end of the positioning cylinder 31 is linked with the positioning pin 32 to move downwards, the positioning pin 32 is inserted into the other lock hole group 7 of the positioning disc 2, and at the moment, the positioning pin 32 is in inserted fit with the positioning sleeve 8 in the lock hole group 7.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. A rotary tool rest with double-shaft positioning is characterized by comprising a mounting frame, a positioning disk, a locking part, a rotary driving part arranged on the mounting frame, a tool rest connected with the positioning disk and a tool connected with the tool rest;

the positioning disc is coaxially connected with a power shaft of the rotary driving piece through a rotating shaft, and the two locking parts are arranged on the mounting frame and symmetrically arranged; two lock hole groups are symmetrically arranged on the positioning plate, and the locking part is in plug-in fit with the lock hole groups to lock the positioning plate.

2. The rotary tool holder with dual axis positioning according to claim 1, wherein the locking portion comprises a positioning cylinder and a positioning pin, the positioning cylinder is disposed on the mounting bracket, and the positioning pin is coaxially connected to a piston end of the positioning cylinder.

3. A rotary tool holder with biaxial orientation as set forth in claim 2, wherein the two locking portions are arranged centrosymmetrically with respect to the axis of the rotary shaft, and the lock hole group comprises two positioning holes arranged centrosymmetrically with respect to the axis of the rotary shaft.

4. The rotary tool holder with biaxial orientation as set forth in claim 3, wherein the four positioning holes are rotationally symmetrical on the positioning plate with the axis of the spindle as a rotation axis.

5. The rotary tool holder with the double-shaft positioning function according to claim 3, wherein a positioning sleeve is arranged in the positioning hole, and the positioning sleeve is in insertion fit with the positioning pin.

6. The rotating tool rest with the double-shaft positioning function as claimed in claim 2, wherein the mounting frame comprises an upper mounting plate, a supporting plate and a lower mounting plate which are sequentially connected from top to bottom, the rotating shaft penetrates through the lower mounting plate, a guide sleeve is fixedly embedded in the lower mounting plate, and the positioning pin is in sliding fit with the guide sleeve.

7. The rotary tool holder with dual spindle positioning as claimed in claim 6, wherein the rotary driving member is a rotary cylinder, and a cylinder block is connected to the upper mounting plate, and the rotary cylinder is disposed on the cylinder block.

8. The rotary tool holder with biaxial orientation as set forth in claim 1, wherein a universal spray head is provided on the tool holder.