CN213828100U

CN213828100U - Power conversion tool apron for machine tool

Info

Publication number: CN213828100U
Application number: CN202022015317.6U
Authority: CN
Inventors: 陈芳; 刘来金
Original assignee: Ningxia Jucheng Intelligent Precision Machinery Co ltd
Current assignee: Ningxia Jucheng Intelligent Precision Machinery Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-07-30
Anticipated expiration: 2030-09-15

Abstract

The utility model provides a lathe power conversion blade holder, include: the power blade holder and the rotatory handle of a knife of parallel arrangement each other, the action wheel is being installed to the output of power blade holder, the follower is being installed to the input of rotatory handle of a knife, and the power blade holder passes through the belt and transmits the rotatory power of self to rotatory handle of a knife on, and wherein, rotatory handle of a knife can move on the direction of its self centre of gyration and power blade holder centre of gyration line to adjust the tensile force of belt, ensure that the transmission goes on under stable, reliable state.

Description

Power conversion tool apron for machine tool

Technical Field

The utility model relates to a lathe blade holder especially relates to a lathe power conversion blade holder.

Background

Along with the development of industrialization, various parts are designed according to requirements, a very long process flow is often needed when parts are machined by adopting a lathe, a milling machine, a planer, a grinder and a drilling machine with single transmission function, the parts need to be clamped and circulated among different machine tools for many times, the machining period is too long, the production time cost and the labor cost are increased, and even parts with more complex structures cannot be machined by using a transmission machine tool.

The existing turning and milling composite machine tool and the numerical control lathe with the power tool apron can not process side wall holes of parts, and the side wall holes of the parts need to be processed in another processing center or a five-axis machine tool, so that a clamping tool and clamping part needs longer time, the secondary clamping processing precision of the parts is lower, the physical consumption of operators is overlarge, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a power conversion tool apron for a machine tool, which solves the problems existing in the prior art.

This conversion blade holder includes: the power tool apron and the rotary tool handle are arranged in parallel, the output end of the power tool apron is provided with a driving wheel, the input end of the rotary tool handle is provided with a driven wheel, and the power tool apron transmits the power of self rotation to the rotary tool handle through a belt; the rotary cutter handle can move in the direction of a connecting line of the rotary center of the rotary cutter handle and the rotary center of the power cutter holder so as to adjust the tension of a belt and ensure that transmission is carried out in a stable and reliable state.

Furthermore, the power knife holder and the rotary knife handle are both arranged on the knife holder body, and a tensioning device for controlling the distance between the power knife holder and the rotary knife handle is also arranged between the power knife holder and the rotary knife handle.

Furthermore, a tensioning seat of the tensioning device is fixed on the tool apron body, and a threaded end of a tensioning bolt arranged in a threaded hole in the tensioning seat is arranged towards the direction of the rotary tool shank.

Furthermore, the rotary knife handle is erected in the knife handle seat through the tapered roller bearing, and the knife handle seat is installed in a key groove hole in the knife holder body, so that the tensioning bolt pushes the knife handle seat to tension the belt.

Further, the tapered roller bearings are a pair of bearings disposed to face each other, and can receive cutting loads in the axial direction and the radial direction.

Further, the belt is preferably a synchronous belt.

Furthermore, an ER chuck for clamping the cutter is arranged at the output end of the rotary cutter handle.

The technical effects of the utility model reside in that: the invention mainly solves the problem of one-time clamping of a turning and milling composite machine tool and a numerical control lathe with a power tool apron, simultaneously realizes the procedures of turning, milling and side wall drilling, saves the clamping time, improves the processing precision, reduces the requirement and labor intensity for operators and greatly improves the processing efficiency compared with the prior art.

The synchronous belt is used for accurate transmission, no sliding exists during working, the transmission ratio is constant, the synchronous belt is easy to tension or replace in the assembling and later maintenance process by being matched with the tensioning device, and the cost of the synchronous belt is lower than that of rigid transmission parts such as gear and chain wheels.

The rotary tool shank is erected through the pair of tapered roller bearings arranged in opposite directions, axial and radial loads generated during cutting can be resisted, and better stability and cutting capability of a machine tool during working are guaranteed.

Drawings

FIG. 1 is a cross-sectional view of a power conversion tool holder according to the present invention;

fig. 2 is a front view of the power conversion tool holder of the present invention.

In the drawing, 1, a power tool apron, 2, a tool apron body, 4, a driving wheel, 5, a belt, 6, a tensioning device, 7, a rotary tool shank, 8, an ER chuck, 9, a driven wheel, 11, a tapered roller bearing, 12, a tool shank seat, 13, a key groove hole, 61, a tensioning seat and 62, a tensioning bolt.

Detailed Description

The following describes embodiments of the present invention with reference to fig. 1 to 2.

Fig. 1 illustrates an internal structure and a transmission mode of a power conversion tool apron, wherein a power tool apron 1 and a rotary tool shank 7 are arranged in parallel, a driving wheel 4 is arranged at an output end of the power tool apron 1, a driven wheel 9 is arranged at an input end of the rotary tool shank 7, and the power tool apron 1 transmits power of self rotation to the rotary tool shank 7 through a belt 5; wherein, the rotary knife handle 7 can move in the direction of connecting the rotation center of the rotary knife handle with the rotation center of the power knife holder 1 to adjust the tension of the belt 5 and ensure the transmission to be carried out in a stable and reliable state.

The power knife rest 1 and the rotary knife handle 7 are both arranged on the knife rest body 2, a tensioning device 6 for controlling the distance between the power knife rest 1 and the rotary knife handle 7 is also arranged between the power knife rest 1 and the rotary knife handle 7, a tensioning seat 61 of the tensioning device 6 is fixed on the knife rest body 2, and the threaded end of a tensioning bolt 62 arranged in a threaded hole on the tensioning seat 61 is arranged towards the direction of the rotary knife handle 7; the tapered roller bearings 11 are a pair of bearings which are arranged oppositely and can bear cutting loads in the axial direction and the radial direction, the belt 5 is preferably a synchronous belt, and the output end of the rotary cutter handle 7 is provided with an ER chuck 8 for clamping a cutter.

Fig. 2 illustrates the external structure of the power conversion tool post, the rotary tool shank 7 is mounted in a tool shank seat 12 through a tapered roller bearing 11, and the tool shank seat 12 is mounted in a key slot hole 13 on the tool post body 2, so that a tensioning bolt 62 pushes the tool shank seat 12 to tension the belt 5.

The working principle is as follows: whole power conversion blade holder is installed on the tool turret as a handle of a knife form, when needing the radial hole of part inner wall, make its rotation through original ordinary power blade holder 1 with power, ordinary radial blade holder 1 output drives action wheel 4 and rotates, thereby make belt 5 with power transmission to follower 9 on, follower 9 installs the input at rotatory handle of a knife 7, drive rotatory handle of a knife 7 and install the cutter rotation in ER chuck 8, thereby transmit the rotary motion of lathe main shaft for the cutter, realize the processing at axle type work piece inner wall processing position.

Wherein, power blade holder 1, handle seat 12 are all installed on blade holder body 12, and overspeed device tensioner 6 is installed between the two, and overspeed device tensioner 6 is through installing the distance between power blade holder 1 and the handle seat 12 of tensioning bolt 62 on tensioning seat 61 regulation to guarantee that belt 5 is in the tensioning condition.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The power conversion tool apron of the machine tool is characterized by comprising a power tool apron (1) and a rotary tool shank (7) which are arranged in parallel, wherein the output end of the power tool apron (1) is provided with a driving wheel (4), the input end of the rotary tool shank (7) is provided with a driven wheel (9), and the power tool apron (1) transmits the power of self rotation to the rotary tool shank (7) through a belt (5);

the rotary cutter handle (7) can move in the direction of connecting the rotary center of the rotary cutter handle with the rotary center of the power cutter holder (1) so as to adjust the tension of the belt (5) and ensure that the transmission is carried out in a stable and reliable state.

2. The machine tool power conversion tool apron according to claim 1, characterized in that the power tool apron (1) and the rotary tool shank (7) are both mounted on the tool apron body (2), and a tensioning device (6) for controlling the distance between the power tool apron (1) and the rotary tool shank (7) is further mounted between the two.

3. The machine tool power conversion tool holder according to claim 2, wherein the tensioning seat (61) of the tensioning device (6) is fixed on the tool holder body (2), and the threaded end of the tensioning bolt (62) installed in the threaded hole of the tensioning seat (61) is arranged toward the direction of the rotary tool shank (7).

4. The tool apron according to claim 3, characterized in that the rotary tool shank (7) is mounted in a tool shank holder (12) by a tapered roller bearing (11), and the tool shank holder (12) is mounted in a key slot hole (13) of the tool apron body (2) so that the tensioning bolt (62) pushes the tool shank holder (12) to tension the belt (5).

5. The tool post for machine tool power conversion according to claim 4, wherein the tapered roller bearing (11) is a pair of bearings disposed in opposite directions and capable of receiving cutting load in axial and radial directions.

6. The tool post for machine tool power conversion according to claim 1, wherein the belt (5) is a synchronous belt.

7. The machine tool power conversion tool apron according to claim 1, characterized in that the output end of the rotary tool shank (7) is provided with an ER collet (8) for clamping a tool.