CN216028110U

CN216028110U - Adjustable boring cutter handle

Info

Publication number: CN216028110U
Application number: CN202122382163.9U
Authority: CN
Inventors: 任健龙
Original assignee: Jiyuan Tenghui Metal Components Co ltd
Current assignee: Jiyuan Tenghui Metal Components Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-15
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to the technical field of boring tool handles, and discloses an adjustable boring tool handle which comprises a machine tool main shaft and a boring tool bar, and further comprises an installation shaft, a transmission shaft, an extension shaft and a fixed block, wherein the machine tool main shaft is fixedly connected to one end of the transmission shaft, the inner wall of the transmission shaft is sleeved on the surface of the installation shaft, far away from the transmission shaft, is in sliding connection with the extension shaft, and the surface of the installation shaft is in contact connection with the fixed block through a through hole. The utility model provides an adjustable boring cutter handle, wherein an extension shaft can horizontally slide on the surface of an installation shaft through the connection between the extension shaft and the installation shaft, the length in the depth of the extension shaft can be adjusted according to the length of a boring machine to be matched with the boring machine for clamping, and the installation shaft can horizontally slide in the transmission shaft through the connection between the transmission shaft and the installation shaft, so that a worker can conveniently adjust the position of a fixing block according to needs and conveniently process a workpiece in a matched manner.

Description

Adjustable boring cutter handle

Technical Field

The utility model relates to the technical field of boring cutter handles, in particular to an adjustable boring cutter handle.

Background

The machine tool mainly uses boring cutter to bore the prefabricated hole of workpiece, usually, the boring cutter is rotated as main movement, the boring cutter or workpiece is moved as feed movement, it is mainly used for processing high-precision hole or finishing multiple holes by once positioning, in addition, it can also be used for processing other processing surfaces related to hole finishing. The horizontal boring machine is the most widely applied boring machine, mainly adopts hole machining, the boring precision can reach IT7, the horizontal boring machine can mill planes, drill, machine end faces and outer circles of flanges, cut threads and the like besides enlarging cast or machined holes on workpieces, and is mainly used in single-piece small-batch production and repair workshops, the roundness error of the machined holes is not more than 5 microns, the surface roughness is Ra0.63-1.25 microns, and the main parameter of the horizontal boring machine is the diameter of a main shaft.

But the length of most boring machine cutters at present has certain restriction, and the boring machine also has big or small length to differ simultaneously, adds man-hour to some great work pieces, directly strikes the surface that the work piece was processed to the mode of ordinary boring cutter, and it is comparatively inconvenient to operate, and the handle of a knife is not convenient for cooperate the boring machine of different length sizes to use simultaneously, uses to get up to have certain limitation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an adjustable boring cutter handle, which solves the problems in the background technology.

Technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a boring cutter handle with adjustable, includes lathe main shaft and boring cutter arbor, still includes installation axle, transmission shaft, extension axle and fixed block, lathe main shaft fixed connection is in the one end of transmission shaft, the inner wall cover of transmission shaft is established on the surface of installation axle, the surface of transmission shaft is kept away from to the installation axle with extend an axle sliding connection, the surface of installation axle is connected with the fixed block contact through the through-hole of seting up, the surface setting of boring cutter arbor is in the inside of fixed block.

Optionally, the surfaces of the transmission shaft and the extension shaft are connected with a positioning bolt through a through hole, one end of the positioning bolt is in threaded connection with an auxiliary nut, and the inner wall of the auxiliary nut is provided with threads.

Optionally, the surface of the installation shaft is provided with a positioning hole matched with the positioning bolt, and the connection between the installation shaft and the transmission shaft and the connection between the installation shaft and the extension shaft are limited by the positioning bolt.

Optionally, the number of the positioning holes is six at least, and the number of the positioning bolts and the number of the auxiliary nuts are two at least.

Optionally, the positioning holes are divided into two groups symmetrically distributed about the center line of the mounting shaft, and each group includes four positioning holes.

Optionally, the surface of the fixed block is sleeved with a cushion block, and the bottom of the cushion block is in contact connection with the mounting shaft.

Optionally, the surface of the fixing block is in threaded connection with a stop ring, and the lower surface of the stop ring is in contact connection with the surface of the cushion block.

Optionally, the number of the stop rings and the number of the cushion blocks are two.

Optionally, the surface of the fixed block is in threaded connection with a limit bolt through a threaded hole, and one end of the limit bolt penetrating through the fixed block is attached to the surface of the boring cutter bar.

Optionally, one end of the extension shaft is detachably connected with a support shaft, and the surface of the support shaft is provided with anti-slip lines.

The utility model provides an adjustable boring cutter handle, which has the following beneficial effects:

1. the utility model provides an adjustable boring cutter handle, wherein through the connection between an extension shaft and an installation shaft, the extension shaft can horizontally slide on the surface of the installation shaft, the length in the depth of the extension shaft can be adjusted according to the length of a boring machine to be clamped and used by matching with the boring machine, and the installation shaft can horizontally slide in the transmission shaft by combining the connection between the transmission shaft and the installation shaft, so that a worker can conveniently adjust the position of a fixed block as required and conveniently process a workpiece in a matching way;

2. the utility model provides an adjustable boring cutter handle, which can be used for mounting or dismounting a fixed block through the connection between the fixed block and a mounting shaft, reducing the influence on a worker by combining the connection between the mounting shaft and an extension shaft as well as a transmission shaft through the combination of the connection between the mounting shaft and the extension shaft and the connection between the mounting shaft and the extension shaft, and facilitating the worker to select and replace the support shaft and the extension shaft according to the diameter of a rear support, and has wider application range.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the installation shaft of the present invention;

fig. 3 is a schematic view of the fixing block according to the present invention.

In the figure: 1. a machine tool spindle; 2. boring a cutter bar; 3. installing a shaft; 4. a drive shaft; 5. an extension shaft; 6. a fixed block; 7. positioning the bolt; 8. an auxiliary nut; 9. positioning holes; 10. cushion blocks; 11. a snap ring; 12. a limit bolt; 13. and supporting the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an adjustable boring cutter handle comprises a machine tool main shaft 1 and a boring cutter bar 2, and further comprises an installation shaft 3, a transmission shaft 4, an extension shaft 5 and a fixing block 6, wherein the surface of the installation shaft 3 is provided with positioning holes 9 capable of being matched with positioning bolts 7, the number of the positioning holes 9 is at least six, the number of the positioning bolts 7 and auxiliary nuts 8 is at least two, the positioning holes 9 are divided into two groups which are symmetrically distributed by the center line of the installation shaft 3, each group is four, the connection between the installation shaft 3 and the transmission shaft 4 as well as between the installation shaft 3 and the extension shaft 5 is limited by the positioning bolts 7, the extension shaft 5 can horizontally slide on the surface of the installation shaft 3 through the connection between the installation shaft 3 and the extension shaft 5, and the connection between the extension shaft 5 and the installation shaft 3 can be limited by the matching between the positioning bolts 7 and different positioning holes 9 when the extension shaft 5 slides to a certain position, the extending length of the extension shaft 5 can be controlled, and the probability that the positioning bolt 7 accidentally slips out can be reduced through the connection between the positioning bolt 7 and the auxiliary nut 8.

1 fixed connection of lathe main shaft is in the one end of transmission shaft 4, transmission shaft 4 all is connected with positioning bolt 7 through the through-hole of seting up with the surface that extends axle 5, positioning bolt 7's one end threaded connection has supplementary nut 8, the inner wall of supplementary nut 8 is seted up threadedly, through installing the connection between axle 3 and the transmission shaft 4, transmission shaft 4 can carry out the horizontal slip on the surface of installation axle 3, can carry on spacingly through positioning bolt 7, positioning bolt 7 runs through installation axle 3 and transmission shaft 4 simultaneously, wear out transmission shaft 4's surface and supplementary nut 8 threaded connection.

The inner wall cover of transmission shaft 4 is established on the surface of installation axle 3, install the surface that transmission shaft 4 was kept away from to axle 3 and extend 5 sliding connection of axle, the one end that extends 5 can be dismantled and be connected with back shaft 13, the surface of back shaft 13 is equipped with anti-skidding line, through extending the connection between 5 and the back shaft 13, can install or dismantle back shaft 13, effect through anti-skidding line, can improve the frictional force between back shaft 13 and the after-poppet, combine to extend the connection between axle 5 and the back shaft 13, back shaft 13 can rotate in the one end that extends axle 5.

The surface of the mounting shaft 3 is in contact connection with a fixed block 6 through a through hole, the surface of the fixed block 6 is sleeved with a cushion block 10, the bottom of the cushion block 10 is in contact connection with the mounting shaft 3, the surface of the fixed block 6 is in threaded connection with a stop ring 11, the lower surface of the stop ring 11 is in contact connection with the surface of the cushion block 10, the number of the stop ring 11 and the number of the cushion block 10 are two, the surface of the fixed block 6 is in threaded connection with a limit bolt 12 through a threaded hole, the limit bolt 12 penetrates through one end of the fixed block 6 and is attached to the surface of a boring cutter bar 2, the surface of the boring cutter bar 2 is arranged inside the fixed block 6, the stability of the fixed block 6 can be improved through the action of the cushion block 10, the stop ring 11 can rotate and ascend and descend on the surface of the fixed block 6 through the connection between the fixed block 6 and the boring cutter bar 2, and the boring cutter bar 2 can slide inside the fixed block 6, the connection between the boring bar 2 and the fixing block 6 can be limited by the action of the limiting bolt 12.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the utility model, the working steps of the device are as follows:

1. firstly, a machine tool main shaft 1 is installed on a boring machine, and the extension shaft 5 is adjusted in a sliding mode on the surface of an installation shaft 3 according to the length of the boring machine so that a support shaft 13 is inserted into a rear support for fastening;

2. secondly, inserting the boring cutter bar 2 into the fixed block 6 according to the requirement of a worker, and limiting through a limiting bolt 12;

3. finally, according to the condition of the workpiece, the position of the fixing block 6 is adjusted in a sliding mode by the mounting shaft 3 in the transmission shaft 4 to match with the use of a worker.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boring cutter handle with adjustable, includes lathe main shaft and boring cutter pole, its characterized in that: still including installation axle, transmission shaft, extension axle and fixed block, lathe main shaft fixed connection is in the one end of transmission shaft, the inner wall cover of transmission shaft is established on the surface of installation axle, the surface and the extension axle sliding connection of transmission shaft are kept away from to the installation axle, the surface of installation axle is connected with the fixed block contact through the through-hole of seting up, the surface setting of boring cutter arbor is in the inside of fixed block.

2. An adjustable boring tool shank according to claim 1 wherein: the surface of the transmission shaft and the surface of the extension shaft are both connected with a positioning bolt through a through hole, one end of the positioning bolt is in threaded connection with an auxiliary nut, and the inner wall of the auxiliary nut is provided with threads.

3. An adjustable boring tool shank according to claim 2 wherein: the surface of installation axle is seted up can with positioning bolt complex locating hole, the installation axle with the transmission shaft with install the axle and extend the connection between the axle all carry on spacingly through positioning bolt.

4. An adjustable boring tool shank according to claim 3 wherein: the number of the positioning holes is six at least, and the number of the positioning bolts and the number of the auxiliary nuts are two at least.

5. An adjustable boring tool shank according to claim 3 wherein: the locating hole divide into two sets of with the central line symmetric distribution of installation axle, and every group is four.

6. An adjustable boring tool shank according to claim 1 wherein: the surface cover of fixed block is equipped with the cushion, the bottom and the installation axle contact of cushion are connected.

7. An adjustable boring tool shank according to claim 6 wherein: the surface of the fixed block is in threaded connection with a stop ring, and the lower surface of the stop ring is in contact connection with the surface of the cushion block.

8. An adjustable boring tool shank according to claim 7 wherein: the number of the stop rings and the number of the cushion blocks are two.

9. An adjustable boring tool shank according to claim 1 wherein: the surface of the fixed block is in threaded connection with a limiting bolt through a threaded hole, and one end, penetrating through the fixed block, of the limiting bolt is attached to the surface of the boring cutter rod.

10. An adjustable boring tool shank according to claim 1 wherein: the one end of extending the axle can be dismantled and be connected with the back shaft, the surface of back shaft is equipped with anti-skidding line.