CN212761324U

CN212761324U - Integrated cutter bar

Info

Publication number: CN212761324U
Application number: CN202021744590.6U
Authority: CN
Inventors: 李朝斌; 唐贵权
Original assignee: Guangzhou Savera Elevator Orbit System Co ltd
Current assignee: Guangzhou Savera Elevator Orbit System Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-03-23
Anticipated expiration: 2030-08-20

Abstract

The utility model belongs to the technical field of cutter bars for machining, in particular to an integrated cutter bar for integrally processing drilling, spot facing and hole site double-sided chamfering, which provides the following proposal aiming at the problems that the traditional cutter bar has single structure, can not be provided with a plurality of blades, can not simultaneously meet different use requirements and has low processing efficiency, it includes the cutter arbor main part, the outside of cutter arbor main part is provided with the protrusion piece, and preceding chamfer blade installation position and counter bore blade installation position have been seted up in the outside of protrusion piece, and preceding chamfer blade installation position and counter bore blade installation position set up for the symmetry, and the drill point is installed on the top of cutter arbor main part, and two chip grooves have been seted up to equal symmetry on drill point and the cutter arbor main part, are located two chip grooves intercommunications on the same vertical line, have seted up back chamfer blade mounting hole in the cutter arbor main part, install back chamfer blade in the back chamfer blade mounting hole. The utility model discloses multiple blade can be installed to the cutter arbor main part, can satisfy different user demands simultaneously, has improved machining efficiency.

Description

Integrated cutter bar

Technical Field

The utility model relates to a cutter arbor technical field for the machining especially relates to a drilling, counter sinking, two-sided chamfer integrated into one piece cutter arbor of hole site.

Background

Need process out at elevator guide rail both ends in production and connect the hole site so that the guide rail is connected, the processing of guide rail connection hole site includes drilling, counter boring and the two-sided chamfer in hole, for the guide rail performance after guaranteeing the processing, often has higher requirement to the remaining hole depth behind the counter boring, and the hole site processing mainly has two kinds of modes: 1. the guide rail wing plate surface is used for positioning, and holes are drilled from the bottom surface side. 2. And (5) positioning by using the bottom surface of the guide rail, and drilling from one side of the wing plate surface. At present, the second method is usually adopted for processing, but drilling and spot facing are carried out step by step, double-sided chamfers at hole positions need to be further processed twice, and multiple guide rail overturning actions need to be completed. The traditional processing mode has the defects that the guide rail needs to be overturned for many times, errors exist in positioning after overturning and moving, multiple devices need to be arranged, the processing time is long, the field using area is large, the cost is high, the resource waste is caused by the arrangement of the multiple devices, and the operation and maintenance cost is increased.

Traditional cutter arbor single structure can not install multiple blade, can not satisfy different user demands simultaneously, and machining efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving traditional cutter arbor single structure, can not install multiple blade, can not satisfy different user demands simultaneously, shortcoming that machining efficiency is low, and the integral type cutter arbor that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an integral type cutter arbor, includes the cutter arbor main part, the outside of cutter arbor main part is provided with the protrusion piece, chamfer blade installation position and counter boring blade installation position before the outside of protrusion piece has been seted up, preceding chamfer blade installation position and counter boring blade installation position set up for the symmetry, the drill point is installed on the top of cutter arbor main part, two chip grooves have been seted up to equal symmetry on drill point and the cutter arbor main part, two chip grooves intercommunication that are located same vertical line have been seted up in the cutter arbor main part, back chamfer blade mounting hole has been seted up in the back chamfer blade mounting hole, install back chamfer blade in the back chamfer blade mounting hole.

Preferably, the bottom of cutter arbor main part is seted up there is the elasticity hole, installs pin and fixed pin in the elasticity hole, is provided with same extrusion spring between pin and the fixed pin, and the end opening position in elasticity hole has seted up the screw, and threaded connection has the screw on the screw.

Preferably, a pin hole is formed in the inner wall of the top of the elastic hole, the diameter of the top end of the fixing pin is smaller than that of the bottom end of the fixing pin, the diameter of the pin hole is smaller than that of the elastic hole, the top end of the fixing pin is movably connected with the pin hole, and the pin hole is communicated with the rear chamfering blade mounting hole.

Preferably, the bottom of back chamfer blade has seted up the fixed breach of back chamfer blade, and the top of fixed pin is the button head setting, and the top of fixed pin is inconsistent with the fixed breach of back chamfer blade.

Preferably, a drill bit mounting groove is formed in the top end of the cutter bar main body, a positioning column is arranged at the bottom of the drill bit and connected with the drill bit mounting groove, and a screw is arranged between the positioning column and the cutter bar main body.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, the positioning column is arranged to be matched with the mounting groove, so that the drill tip is concentric with the cutter bar main body, the service lives of the cutter bar and the drill tip are prolonged, and a better processing effect is obtained;

(2) chip grooves are formed in the drill nozzle and the cutter bar main body, and the chip grooves can be spiral and can be used for discharging cutting chips; the counter boring blade and the front chamfering blade are respectively fixed at the mounting position of the counter boring blade and the mounting position of the front chamfering blade, so that the drilling, the counter boring and the front chamfering can be synchronously finished by one-step processing and forming, various processing requirements can be met, and the working efficiency is improved;

(3) through the cooperation of the fixed pin, the extrusion spring, the pin and the screw that set up in the cutter arbor main part, can produce axial packing force and fix the back chamfer blade of installing in the back chamfer blade mounting hole on the cutter arbor main part.

The utility model discloses multiple blade can be installed to the cutter arbor main part, can satisfy different user demands simultaneously, has improved machining efficiency.

Drawings

Fig. 1 is a schematic perspective view of an integrated cutter bar according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of an integrated cutter bar rotating 180 degrees;

fig. 3 is the utility model provides a sectional structure schematic diagram of an integral type cutter arbor.

In the figure: the tool comprises a tool bar main body 1, screws 2, a pin 3, an extrusion spring 4, a fixing pin 5, a rear chamfering blade 6, a drill bit 7, a front chamfering blade mounting position 8, a counter boring blade mounting position 9, a chip groove 10, an elastic hole 11, a rear chamfering blade fixing notch 12, a drill bit mounting groove 13, a pin hole 14, a bulge block 15 and a rear chamfering blade mounting hole 16.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Referring to fig. 1-3, an integral type cutter arbor, including cutter arbor main part 1, the outside of cutter arbor main part 1 is provided with protrusion piece 15, preceding chamfer blade installation position 8 and counter bore blade installation position 9 have been seted up in the outside of protrusion piece 15, preceding chamfer blade installation position 8 and counter bore blade installation position 9 set up for the symmetry, drill tip 7 is installed on the top of cutter arbor main part 1, two chip grooves 10 have all been seted up to equal symmetry on drill tip 7 and the cutter arbor main part 1, two chip grooves 10 that lie in same vertical line communicate, back chamfer blade mounting hole 16 has been seted up on the cutter arbor main part 1, back chamfer blade 6 is installed to back chamfer blade mounting hole 16.

In this embodiment, elasticity hole 11 has been seted up to the bottom of cutter arbor main part 1, installs pin 3 and fixed pin 5 in the elasticity hole 11, is provided with same extrusion spring 4 between pin 3 and the fixed pin 5, and the end opening position in elasticity hole 11 has seted up the screw, and threaded connection has screw 2 on the screw.

In this embodiment, a pin hole 14 is formed in the inner wall of the top of the elastic hole 11, the diameter of the top end of the fixing pin 5 is smaller than that of the bottom end of the elastic hole, the diameter of the pin hole 14 is smaller than that of the elastic hole 11, the top end of the fixing pin 5 is movably connected with the pin hole 14, and the pin hole 14 is communicated with the rear chamfering blade mounting hole 16.

In this embodiment, the fixed breach 12 of back chamfer blade has been seted up to the bottom of back chamfer blade 6, and the top of fixed pin 5 is the button head setting, and the top of fixed pin 5 is inconsistent with the fixed breach 12 of back chamfer blade.

In this embodiment, a drill tip mounting groove 13 is provided at the top end of the cutter bar main body 1, a positioning column connected to the drill tip mounting groove 13 is provided at the bottom of the drill tip 7, and a screw is provided between the positioning column and the cutter bar main body 1.

In the embodiment, the drill nozzle 7 is designed in a split manner, so that the manufacturing cost is saved, the tail of the drill nozzle 7 and the top of the cutter bar main body 1 are designed in a stepped manner, the tail of the drill nozzle 7 and the top of the cutter bar main body 1 are matched in a stepped manner to transmit the torque and the axial force generated by drilling, a raised positioning column is arranged in the middle of the tail of the drill nozzle 7, a drill nozzle mounting groove 13 is arranged at the top end of the cutter bar, the positioning column is matched with the drill nozzle mounting groove 13, the drill nozzle 7 is concentric with the cutter bar main body 1, the service lives of the cutter bar and the drill nozzle are prolonged, a better processing effect is obtained, and after the drill nozzle 7 is matched with the cutter bar main body 1 through the positioning column and the stepped manner, the drill nozzle; chip grooves 10 are formed in the drill nozzle 7 and the cutter bar main body 1, and the chip grooves 10 can be spiral and can be used for discharging cutting chips; the blades mounted on the spot facing blade mounting position 9 and the front chamfering blade mounting position 8 can be blades in the shapes of a conventional square, a triangle, a rhombus and the like, the spot facing blade mounting position 9 and the front chamfering blade mounting position 8 are universal, the manufacturing cost is reduced, the spot facing blade and the front chamfering blade are respectively mounted on the spot facing blade mounting position 9 and the front chamfering blade mounting position 8, and the drilling, spot facing and front chamfering can be synchronously finished by one-step processing and forming; the back chamfer blade contains back chamfer blade fixed notch 12, back chamfer blade fixed notch 12 is circular arc bottom and two segmentation inclined planes, the first section inclined plane gradient that is close to circular arc department is great, second section inclined plane gradient is less, fixed pin 5 through setting up in the cutter arbor main part 1, extrusion spring 4, the cooperation of pin 3 and screw 2, can produce the axial packing force and fix back chamfer blade 6 to installing in back chamfer blade mounting hole 16 on cutter arbor main part 1, all structures in this application all can carry out the selection of material and length according to the in-service use condition, the drawing is the schematic structure picture, concrete actual dimensions can make appropriate adjustment.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides an integral type cutter arbor, including cutter arbor main part (1), a serial communication port, the outside of cutter arbor main part (1) is provided with protrusion piece (15), chamfer blade installation position (8) and counter bore blade installation position (9) before the outside of protrusion piece (15) has been seted up, preceding chamfer blade installation position (8) and counter bore blade installation position (9) set up for the symmetry, drill point (7) are installed on the top of cutter arbor main part (1), two chip grooves (10) have been seted up to equal symmetry on drill point (7) and cutter arbor main part (1), two chip grooves (10) that are located on same vertical line communicate, back chamfer blade mounting hole (16) have been seted up on cutter arbor main part (1), install back chamfer blade (6) in back chamfer blade mounting hole (16).

2. The integrated cutter bar according to claim 1, wherein an elastic hole (11) is formed in the bottom end of the cutter bar body (1), a pin (3) and a fixing pin (5) are installed in the elastic hole (11), the same extrusion spring (4) is arranged between the pin (3) and the fixing pin (5), threads are formed in the bottom opening of the elastic hole (11), and screws (2) are connected to the threads in a threaded manner.

3. The integrated tool bar as claimed in claim 2, wherein a pin hole (14) is formed in the inner wall of the top of the elastic hole (11), the diameter of the top end of the fixing pin (5) is smaller than that of the bottom end of the fixing pin, the diameter of the pin hole (14) is smaller than that of the elastic hole (11), the top end of the fixing pin (5) is movably connected with the pin hole (14), and the pin hole (14) is communicated with the rear chamfering blade mounting hole (16).

4. The integrated tool bar as claimed in claim 1, wherein the bottom of the rear chamfering blade (6) is provided with a rear chamfering blade fixing notch (12), the top end of the fixing pin (5) is provided with a round head, and the top end of the fixing pin (5) is abutted against the rear chamfering blade fixing notch (12).

5. The integrated tool holder as claimed in claim 1, wherein a drill tip mounting groove (13) is formed at the top end of the tool holder main body (1), a positioning column is arranged at the bottom of the drill tip (7) and connected with the drill tip mounting groove (13), and a screw is arranged between the positioning column and the tool holder main body (1).