CN212443404U - Clamping type welding hard alloy cylindrical milling cutter capable of regrinding - Google Patents
Clamping type welding hard alloy cylindrical milling cutter capable of regrinding Download PDFInfo
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- CN212443404U CN212443404U CN202021903474.4U CN202021903474U CN212443404U CN 212443404 U CN212443404 U CN 212443404U CN 202021903474 U CN202021903474 U CN 202021903474U CN 212443404 U CN212443404 U CN 212443404U
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Abstract
A clamp type welding hard alloy cylindrical milling cutter of a regrinding machine belongs to the technical field of metal cutting processing. The outer circumference of cutter body distributes and has helicla flute and spiral blade clamping mechanism, and the spiral angle of helicla flute is 15, spiral blade clamping mechanism: the spiral groove of the cutter body is provided with a cutter nest, the cutter nest is provided with a screw hole, the screw hole is connected with a stud bolt and a wedge block, the wedge block is sleeved at one end of the stud bolt, the bottom surface of the cutter nest is provided with cutter body spiral tooth grooves, the bottom surface of a welded hard alloy spiral blade is provided with blade insections, the insections of the cutter body spiral tooth grooves are matched and meshed with the blade insections, the insections of the cutter body spiral tooth grooves and the insections of the blades are in right-angle 90-degree insections respectively, and the adjacent cutter body spiral tooth grooves are spaced by 0.1-0.8 mm along the radial direction. Can be repeatedly used, and effectively reduces the use cost of the milling cutter.
Description
Technical Field
The utility model belongs to the technical field of metal cutting processing, a but double-layered welding carbide cylinder milling cutter of regrinding machine clamp is related to.
Background
The diameter of a cylindrical milling cutter used for processing a copper plate with the width of 1.45 meters is larger, and the length of the cylindrical milling cutter is also longer. The specification of the milling cutter used firstly is as follows: diameter D260, edge length 1500, total length 2040, and number of teeth 18. High-speed steel milling cutters and welding-type cemented carbide cylindrical milling cutters have been used for machining. The durability of the welding type hard alloy cylindrical milling cutter is higher than that of a high-speed steel milling cutter, so that the welding type hard alloy cylindrical milling cutter is mainly used at present. When the milling cutter is used for a period of time, the cutting edge is not sharp and needs to be polished again. Can be reused after being polished. After continuous grinding, the outer diameter of the cylindrical milling cutter can be continuously reduced until the cylindrical milling cutter cannot be used until the cylindrical milling cutter is scrapped. In addition, the large diameter cylindrical milling cutter has higher cost and inconvenient production and manufacture.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a clamp type welding hard alloy cylindrical milling cutter of a regrinding machine.
The utility model provides a can regrind machine clamp formula welding carbide cylinder milling cutter, the outer circumference of cutter body distributes and has helicla flute and spiral blade clamping mechanism, and the spiral angle of helicla flute is 15, spiral blade clamping mechanism: the spiral groove of the cutter body is provided with a cutter nest, the cutter nest is provided with a screw hole, the screw hole is internally connected with a stud bolt and a wedge block, the wedge block is sleeved at one end of the stud bolt, the bottom surface of the cutter nest is provided with a cutter body spiral tooth groove, the bottom surface of a welded hard alloy spiral blade is provided with blade insections, the insections of the cutter body spiral tooth groove are matched and meshed with the blade insections, the insections of the cutter body spiral tooth groove and the blade insections are respectively in a right-angle 90-degree insection shape, and the adjacent cutter body spiral tooth grooves are provided with 0.1-0.8 mm distance between.
One side of the cutter body is a left clamping shaft, the other side of the cutter body is a right clamping shaft, the left clamping shaft is provided with a central connecting screw hole for welding a hard alloy spiral blade and a hard alloy blade, and the front angle of the hard alloy blade is 8 degrees.
A method for grinding a clamp-type welding hard alloy cylindrical milling cutter of a regrinding machine comprises the following steps:
the cutter body is provided with a spiral groove with a spiral angle of 15 degrees, a welding hard alloy spiral blade with a certain length is welded with the welding hard alloy spiral blade and is placed into a cutter nest of the spiral groove, the welding hard alloy spiral blade is clamped by two wedge blocks, the insection of the spiral tooth socket of the cutter body in the cutter nest is matched and meshed with the insection of the blade, and the welding hard alloy spiral blade is fixed in the cutter body by a stud;
before the milling cutter grinding step, taking out the current first welding hard alloy spiral blade, putting the current first welding hard alloy spiral blade into a cutter nest of an adjacent spiral groove, and so on, and replacing the positions of all the welding hard alloy spiral blades once;
and putting the first welding hard alloy spiral blade into the cutter nest of the last spiral groove, and moving the first welding hard alloy spiral blade by one pitch along the radial direction.
The radius of the milling cutter is increased by W millimeter grinding allowance; the tooth pitch M is 1-1.5 mm, after the position of the spiral blade is adjusted before grinding, the radius of the milling cutter is increased by grinding allowance of W mm, and finally the first milling cutter moves along the radial direction by a tooth pitch of M size, wherein the tooth allowance is M-W mm more than the tooth allowance of other cutters; and (4) carrying out a grinding step, wherein after the milling cutter is ground, the outer diameter of the milling cutter is restored to the original outer diameter size.
The utility model has the advantages that before needs coping milling cutter, take out current first welding carbide helical blade, put into adjacent cutter body helicla flute, analogize so, change a time with whole helical blade positions like this. And finally, placing the first welding hard alloy spiral blade into the spiral groove of the last cutter body, and moving the first welding hard alloy spiral blade by a tooth pitch M along the radial direction. The radius of the milling cutter is increased by W mm thinning allowance (such as 0.5 mm allowance). After the milling cutter is polished, the outer diameter of the milling cutter can be restored to the original outer diameter. By the design, the outer diameter of the milling cutter cannot be reduced even if the milling cutter is polished for multiple times. The cutter body can be repeatedly used, when an individual spiral blade is damaged, the spiral blade can be independently replaced and then repaired, and the milling cutter can quickly recover the use function, so that the use cost of the milling cutter can be effectively reduced.
Drawings
The invention itself, however, as well as many of the attendant advantages thereof, will be best understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein like reference numerals indicate like parts throughout the several views, and wherein:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view of the cross-sectional structure a-a of the present invention.
Fig. 4 is a schematic view of the cross-sectional structure of B-B of the present invention.
Fig. 5 is a schematic view of a structure of the knife body of the present invention.
Fig. 6 is a schematic view of another side structure of the knife body of the present invention.
Fig. 7 is a schematic diagram of the present invention using two wedges to clamp and weld the cemented carbide helical blade.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Obviously, many modifications and variations of the present invention based on the spirit of the present invention will be apparent to those skilled in the art.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element, component or section is referred to as being "connected" to another element, component or section, it can be directly connected to the other element or section or intervening elements or sections may also be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art.
The following examples are further illustrative in combination to facilitate understanding of the embodiments, and are not to be construed as limiting the invention.
Example 1: as shown in figures 1, 2, 3, 4, 5, 6 and 7,
a clamp-type welded hard alloy cylindrical milling cutter capable of regrinding, in particular to a clamp-type welded hard alloy cylindrical milling cutter (milling cutter for short) capable of regrinding. The back of the welding hard alloy spiral blade is provided with insections. The welding hard alloy spiral blade is connected with the cutter body through insections.
The utility model provides a can regrind machine clamp formula welding carbide cylinder milling cutter, one side of cutter body 1 is left calorie of axle 4, and the opposite side of cutter body 1 is right calorie of axle 3, and left calorie of axle 4 has central connection screw 5, and the outer circumference of cutter body 1 distributes and has helicla flute 2 and helical blade clamping mechanism, and the spiral angle of helicla flute 2 is 15, helical blade clamping mechanism: the spiral groove 2 of the cutter body 1 is provided with a cutter nest, the cutter nest is provided with a screw hole, the screw hole is internally connected with a stud bolt 7 and a wedge block 8, the wedge block 8 is sleeved at one end of the stud bolt 7, the bottom surface of the cutter nest is provided with a cutter body spiral tooth groove, the bottom surface of a welding hard alloy spiral blade 11 is provided with blade insections 10, the insections of the cutter body spiral tooth groove are matched and meshed with the blade insections 10, the welding hard alloy spiral blade 11 is welded with a hard alloy blade 9, the front angle of the hard alloy blade 9 is 8 degrees, the insections of the cutter body spiral tooth groove and the blade insections 10 are respectively in a right-angle 90-degree insection shape, and the adjacent cutter body spiral tooth grooves are provided with a distance.
Example 2: as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a method for sharpening a clamp-type welded cemented carbide cylindrical milling cutter of a regrindable machine comprises the following steps:
a spiral groove 2 with a 15-degree spiral angle is formed in a cutter body 1, a welding hard alloy spiral blade 11 (the welding hard alloy spiral blade 11 is welded with a hard alloy blade 9) with a certain length (L) is placed in a cutter nest of the spiral groove, the welding hard alloy spiral blade 11 is clamped and welded by two wedge blocks 8, insections of a cutter body spiral tooth groove in the cutter nest are matched and meshed with blade insections 10, and the welding hard alloy spiral blade 11 is fixed in the cutter body 1 by a stud bolt 7.
Before the milling cutter grinding step, the current first welding hard alloy spiral blade 11 is taken out and placed into the cutter nest of the adjacent spiral groove 2, and so on, and the positions of all the welding hard alloy spiral blades 11 are exchanged once.
The first welded carbide helical blade 11 is placed in the pocket of the last helical flute 2 and moved in the radial direction by a pitch M.
The radius of the milling cutter is increased by W mm thinning allowance (such as 0.5 mm allowance).
The tooth pitch M is generally designed to be 1-1.5 mm, after the position of the spiral blade is adjusted before grinding, the grinding allowance (such as the allowance of 0.5 mm) of W mm is increased by the radius of the milling cutter, and finally, the first tooth pitch M is moved in the radial direction, and the allowance of the tooth is larger than the allowance (M-W) of other cutter teeth.
And (4) carrying out a grinding step, wherein after the milling cutter is ground, the outer diameter of the milling cutter can be restored to the original outer diameter size. By the design, the outer diameter of the milling cutter cannot be reduced even if the milling cutter is polished for multiple times.
The cutter body can be repeatedly used, when an individual spiral blade is damaged, the spiral blade can be independently replaced and then repaired, and the milling cutter can quickly recover the use function, so that the use cost of the milling cutter can be effectively reduced.
Example 3: as shown in fig. 1, 2, 3, 4, 5 and 6, a regrindable clamp-type welded cemented carbide cylindrical milling cutter is provided with a spiral groove with a 15-degree spiral angle on a cutter body, a welded cemented carbide helical blade (note: the cemented carbide blade is welded on a blade seat) (referred to as a helical blade for short) with a certain length is placed in the spiral groove, the helical blade is clamped by two wedges, and the helical blade is fixed in the cutter body by a double-headed screw. The whole cutting edge of the milling cutter is formed by combining a section of spiral blade.
In addition, the back of the blade seat of the welding hard alloy spiral blade is provided with insections which are matched and connected with insections on the spiral groove of the cutter body, and the spiral blade is clamped by a wedge block.
Besides, the helical grooves of the cutter body are also processed with insections, and the insections are processed by sequentially increasing the distance W (such as 0.5 mm) on the helical tooth grooves of the adjacent cutter body along the radial direction.
Therefore, before the milling cutter needs to be polished, the current first welding hard alloy spiral blade is taken out and placed into the adjacent spiral groove of the cutter body, and so on, and the positions of all the spiral blades are exchanged once.
And finally, placing the first welding hard alloy spiral blade into the spiral groove of the last cutter body, and moving the first welding hard alloy spiral blade by a tooth pitch M along the radial direction. The radius of the milling cutter is increased by W mm thinning allowance (such as 0.5 mm allowance).
After the milling cutter is ground, the outer diameter of the milling cutter can be restored to the original outer diameter dimension such as D260. By the design, the outer diameter of the milling cutter cannot be reduced even if the milling cutter is polished for multiple times.
The cutter body can be repeatedly used, when an individual spiral blade is damaged, the spiral blade can be independently replaced and then repaired, and the milling cutter can quickly recover the use function, so that the use cost of the milling cutter can be effectively reduced.
As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications are possible without substantially departing from the invention and its effects. Therefore, all such modifications are included in the scope of the present invention.
Claims (3)
1. The utility model provides a can regrind machine clamp formula welding carbide cylinder milling cutter, the outer circumference of its characterized in that cutter body distributes and has helicla flute and helical blade clamping mechanism, and the spiral angle of helicla flute is 15, helical blade clamping mechanism: the spiral groove of the cutter body is provided with a cutter nest, the cutter nest is provided with a screw hole, the screw hole is connected with a stud bolt and a wedge block, the wedge block is sleeved at one end of the stud bolt, the bottom surface of the cutter nest is provided with cutter body spiral tooth grooves, the bottom surface of a welded hard alloy spiral blade is provided with blade insections, the insections of the cutter body spiral tooth grooves are matched and meshed with the blade insections, the insections of the cutter body spiral tooth grooves and the insections of the blades are in right-angle 90-degree insections respectively, and the adjacent cutter body spiral tooth grooves are spaced by 0.1-0.8 mm along the radial direction.
2. The regrindable clamp-welded carbide cylindrical milling cutter as claimed in claim 1, wherein the cutter body has a left clamping shaft on one side and a right clamping shaft on the other side, the left clamping shaft having a central connection screw hole.
3. A regrindable, clip-on cemented carbide cylindrical milling cutter according to claim 1, wherein the welding cemented carbide helical insert is a welding cemented carbide insert having a rake angle of 8 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021903474.4U CN212443404U (en) | 2020-09-03 | 2020-09-03 | Clamping type welding hard alloy cylindrical milling cutter capable of regrinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021903474.4U CN212443404U (en) | 2020-09-03 | 2020-09-03 | Clamping type welding hard alloy cylindrical milling cutter capable of regrinding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212443404U true CN212443404U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021903474.4U Active CN212443404U (en) | 2020-09-03 | 2020-09-03 | Clamping type welding hard alloy cylindrical milling cutter capable of regrinding |
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| CN (1) | CN212443404U (en) |
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- 2020-09-03 CN CN202021903474.4U patent/CN212443404U/en active Active
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