CN212094507U

CN212094507U - Machine presss from both sides high commonality countersink device of blade formula

Info

Publication number: CN212094507U
Application number: CN202020798034.0U
Authority: CN
Inventors: 刘建; 戚钰炜; 李柏松; 魏守盼; 孟庆贺; 王桐桐; 赵辉
Original assignee: Xuzhou XCMG Mining Machinery Co Ltd
Current assignee: Xuzhou XCMG Mining Machinery Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-08
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a machine-clamped blade type high-universality countersink device, which comprises a Morse taper shank, a guide post, a blade and a cutter bar; the guide post is detachably arranged on the die taper shank and used for realizing replacement of guide posts with different external diameter specifications; the blade is detachably arranged on the cutter bar and used for realizing the replacement of the blade; the cutter arbor swing joint is in the guide post, adjusts the cutting edge radius of gyration of blade through the position of adjustment cutter arbor, realizes the processing of unidimensional counter sink. The utility model greatly improves the universality of the cutter and reduces the configuration cost of the cutter; the surface quality of the processing surface is greatly improved, the surface roughness of the processing surface is improved from 12.5 to 6.3, and the flatness is improved by 25 percent; the blade is mechanically clamped, the whole cutter does not need to be scrapped or manually repaired after the cutting edge is damaged, the blade can be replaced, the stability of the processing quality is guaranteed, and the production cost is reduced.

Description

Machine presss from both sides high commonality countersink device of blade formula

Technical Field

The utility model belongs to the technical field of the processing, a high commonality countersink device of machine clamp blade formula is related to.

Background

At present, a common guide post of a known countersink cannot be replaced, and a cutting edge is a welding type blade or a white steel cutter which is manually ground. In the machining process, after the diameter of a bottom hole or a counter bore of a structural part is changed, the original countersink cannot be used due to the fact that the outer diameter of a guide column and the rotating diameter of a cutter cannot be adjusted; the welded type blade cannot be directly replaced after the blade is worn, so that the whole cutter is scrapped, and the production cost is increased; the white steel knife which is manually polished has the defects of poor rigidity, easy abrasion of a cutting edge and the like, so that the processing efficiency is low and the surface quality is poor.

Disclosure of Invention

The machine-clamp blade type high-universality countersink device is provided for solving the problems that the universality of a cutter caused by the fact that the outer diameter of a guide post and the rotating radius of the cutter of the traditional countersink are incapable of being adjusted is poor, the whole cutter is scrapped after a welding type blade is abraded, the machining efficiency of a white steel cutter is low, the quality of a machined surface is poor and the like, the cutter greatly improves the universality, the machining efficiency and the surface machining quality of the cutter, and the configuration cost of the cutter is reduced.

The utility model discloses realize according to following technical scheme:

a machine-clamped blade type high-universality countersink device comprises a Morse taper shank, a guide post, a blade and a cutter bar;

the guide post is detachably arranged on the die taper shank and used for realizing replacement of guide posts with different external diameter specifications; the blade is detachably arranged on the cutter bar and used for realizing the replacement of the blade; the cutter arbor swing joint is in the guide post, adjusts the cutting edge radius of gyration of blade through the position of adjustment cutter arbor, realizes the processing of unidimensional counter sink.

Furthermore, a pin hole is formed in the center of the left axial surface of the Morse taper shank, and a pin column matched with the pin hole is arranged on the right axial surface of the guide column; the pin penetrates into the pin hole, and the pin is fixed in the pin hole through a fastener.

Furthermore, a threaded hole is arranged on the radial surface at the axial surface of the Morse taper shank and is communicated with the pin hole; the fastener is a guide post fixing screw, the guide post fixing screw is screwed into the threaded hole, and the guide post is installed and detached through tightness of the guide post fixing screw.

Further, the pin is a hexagonal prism.

Furthermore, a square through groove is formed in the radial surface of the guide column, the middle lower portion of the cutter rod penetrates into the square through groove, and the cutter rod is moved in the square through groove through the adjusting piece.

Furthermore, a threaded hole is formed in the left axial surface of the guide post and communicated with the square through groove; the adjusting piece is a cutter bar fixing screw which is screwed into the threaded hole, and the movable cutter bar is fixed through tightness of the cutter bar fixing screw.

Further, the quantity of blade is a plurality of, and the setting that a plurality of blades are side by side is on cutter arbor upper portion, and each blade all installs on the cutter arbor through the mounting.

Further, the fixing piece is a blade fixing screw, and the blade is installed and detached through tightness of the blade fixing screw.

Further, the blade is a hard alloy blade.

Compared with the prior art, the beneficial effects are:

the turning radiuses of the cutting edges of the guide columns and the blades can be correspondingly adjusted according to the machining size requirement, so that the universality of the cutter is greatly improved, and the configuration cost of the cutter is reduced; the surface quality of the processing surface is greatly improved, the surface roughness of the processing surface is improved from 12.5 to 6.3, and the flatness is improved by 25 percent; the blade is mechanically clamped, the whole cutter does not need to be scrapped or manually repaired after the cutting edge is damaged, the blade can be replaced, the stability of the processing quality is guaranteed, and the production cost is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In the drawings:

FIG. 1 is a schematic structural view;

FIG. 2 is a schematic view of a guide post structure;

fig. 3 is a schematic view of the knife holder structure.

In the figure: 1. a cutter bar fixing screw; 2. a guide post; 3. a guide post fixing screw; 4. a Morse taper shank; 5. a blade; 6. a blade fixing screw; 7. a cutter bar; 8. and a square through groove.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 2 and 3, a machine-clamped blade type high-universality countersinking device comprises a die shank 4, a guide post 2, a blade 5 and a cutter bar 7; the guide post 2 is detachably arranged on the Morse taper shank 4 and is used for realizing replacement of the guide post 2 with different external diameter specifications; the blade 5 is detachably arranged on the cutter bar 7 and used for realizing replacement of the blade 5; the cutter arbor 7 swing joint is in guide post 2, adjusts the cutting edge turning radius of blade 5 through the position of adjustment cutter arbor 7, realizes the processing of different size counter bores.

The following gives examples of the above embodiments with respect to the connection of the guide post to the lug:

a pin hole is formed in the center of the left axial surface of the Morse taper shank 4, and a pin matched with the pin hole is formed in the right axial surface of the guide post 2; the pin penetrates into the pin hole, and the pin is fixed in the pin hole through a fastener.

Further scheme: a threaded hole is arranged on the radial surface of the axial surface of the Morse taper shank 4 and is communicated with the pin hole; the fastener is guide post set screw 3, and this guide post set screw 3 screws in the screw hole, realizes installation and dismantlement guide post 2 through the elasticity of guide post set screw 3.

The preferable scheme is as follows: the pin is hexagonal prism.

The above embodiments are given below with respect to the connection of the guide post to the knife bar:

be equipped with square through groove 8 on the radial surface of guide post 2, the lower part penetrates in square through groove 8 in cutter arbor 7, realizes the removal of cutter arbor in square through groove 8 through the regulating part.

Further scheme: a threaded hole is formed in the left axial surface of the guide post 2 and communicated with the square through groove 8; the adjusting piece is a cutter bar fixing screw 1, the cutter bar fixing screw 1 is screwed into the threaded hole, and the movable cutter bar 7 is fixed through tightness of the cutter bar fixing screw 1.

The following is a description of the embodiments described above with respect to the attachment of the blade to the shaft:

the number of the blades 5 is multiple, the blades 5 are arranged on the upper part of the cutter bar 7 side by side, and each blade 5 is installed on the cutter bar 7 through a fixing piece.

Further scheme: the fixing piece is a blade fixing screw 6, and the blade 5 is installed and detached through tightness of the blade fixing screw 6.

The preferable scheme is as follows: the blade 5 is made of hard alloy.

Counter boring adds man-hour, and mo formula taper shank 4 dress is bored main shaft taper hole at the rocking arm, then according to structure bottom hole aperture, selects guide post 2 dress of corresponding external diameter in mo formula taper shank 4, through pinhole location, guide post set screw 3 locking, packs into the cutter arbor 7 in the square through groove 8 of guide post 2, locks through cutter arbor set screw 1, and the cutter carries out counter boring through the cutting edge that a plurality of blades 5 are constituteed.

In order to adapt to spot facing machining of different sizes, the turning radius of the cutting edge can be adjusted by adjusting the position of the cutter bar 7 in the square through groove 8 of the guide post 2, and spot facing machining of different sizes is realized.

When the cutting edge is worn, the blade fixing screw 6 is unscrewed, the blade 5 is replaced, and the blade fixing screw 6 is screwed again.

In conclusion, the front section of the guide column is inserted into the bottom hole of the workpiece in the machining process, so that the centering effect is achieved; the guide post and the die taper shank are connected in an assembling mode, and the guide post with the corresponding outer diameter can be selected to be assembled with the die taper shank according to different bottom hole diameters; the guide post and the cutter bar are assembled and positioned through the pin hole, and are locked by the guide post fixing screw, so that the precision of the cutter is ensured; the turning radius of the cutting edge of the cutter can be adjusted by fixing a screw through a cutter bar; the cutting edge is composed of a mechanically-clamped indexable hard alloy blade, the blade can be directly replaced after being worn, and the strength and the wear resistance of the cutting edge are improved by the hard alloy blade with the coating. The universality of the countersink and the processing efficiency of the large-diameter countersunk hole of the structural member are greatly improved, the surface quality of a processed surface is obviously improved, and the stability of the processing quality is improved.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.

Claims

1. A machine-clamped blade type high-universality countersink device comprises a Morse taper shank, a guide post, a blade and a cutter bar; the method is characterized in that:

the guide post is detachably arranged on the die taper shank and used for realizing replacement of guide posts with different external diameter specifications;

the blade is detachably arranged on the cutter bar and used for realizing the replacement of the blade;

the cutter arbor swing joint is in the guide post, adjusts the cutting edge radius of gyration of blade through the position of adjustment cutter arbor, realizes the processing of unidimensional counter sink.

2. The machine-clamped-blade type high-universality countersinking device according to claim 1, characterized in that:

a pin hole is formed in the center of the left axial surface of the Morse taper shank, and a pin column matched with the pin hole is formed in the right axial surface of the guide column;

the pin penetrates into the pin hole, and the pin is fixed in the pin hole through a fastener.

3. The machine-clamped-blade type high-universality countersinking device according to claim 2, characterized in that:

a threaded hole is arranged on the radial surface at the axial surface of the Morse taper shank and is communicated with the pin hole;

the fastener is a guide post fixing screw, the guide post fixing screw is screwed into the threaded hole, and the guide post is installed and detached through tightness of the guide post fixing screw.

4. The machine-clamped-blade type high-universality countersinking device according to claim 2, characterized in that:

the pin column is a hexagonal prism.

5. The machine-clamped-blade type high-universality countersinking device according to claim 1, characterized in that:

the cutter bar is characterized in that a square through groove is formed in the radial surface of the guide post, the middle lower portion of the cutter bar penetrates into the square through groove, and the cutter bar is moved in the square through groove through an adjusting piece.

6. The machine-clamped-blade type high-universality countersinking device according to claim 5, characterized in that:

a threaded hole is formed in the left axial surface of the guide post and communicated with the square through groove;

the adjusting piece is a cutter bar fixing screw which is screwed into the threaded hole, and the movable cutter bar is fixed through tightness of the cutter bar fixing screw.

7. The machine-clamped-blade type high-universality countersinking device according to claim 1, characterized in that:

the quantity of blade is a plurality of, and the setting that a plurality of blades are side by side is on cutter arbor upper portion, and each blade all installs on the cutter arbor through the mounting.

8. The machine-clamped-blade type high-universality countersinking device according to claim 7, characterized in that:

the fixing piece is a blade fixing screw, and the blade is installed and detached through the tightness of the blade fixing screw.

9. The machine-clamped-blade type high-universality countersinking device according to claim 1, characterized in that:

the blade is a hard alloy blade.