CN111644644A - Toothed structure cutter capable of being rapidly clamped and repeatedly polished - Google Patents
Toothed structure cutter capable of being rapidly clamped and repeatedly polished Download PDFInfo
- Publication number
- CN111644644A CN111644644A CN202010420245.5A CN202010420245A CN111644644A CN 111644644 A CN111644644 A CN 111644644A CN 202010420245 A CN202010420245 A CN 202010420245A CN 111644644 A CN111644644 A CN 111644644A
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- cutter
- tool
- cutter head
- groove
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- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000000227 grinding Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 238000003801 milling Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 9
- 238000003754 machining Methods 0.000 claims description 9
- 229910001315 Tool steel Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 230000010485 coping Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
Abstract
The invention relates to a numerical control indexable structure cutter, which belongs to the technical field of numerical control cutters, and comprises a cutter body, a limiting block, a cutter head and a screw; the tool bit comprises a C-shaped structure, a D-shaped structure, a V-shaped structure, a T-shaped structure, a grooving type structure, an R-shaped structure and the like, the names of the forms correspond to the code of the ISO indexable insert structure, and the grooving type is excluded. The cutter body is provided with a limiting block for limiting the front and back X-direction movement of the cutter head, the cutter body is provided with a tooth-shaped groove which is meshed with the tooth shape of the bottom of the cutter head to limit the left and right Y-direction movement of the cutter head, and in addition, the cutter head is limited to move up and down after the screw is screwed down. The structure of the invention can replace the common numerical control indexable blade, can quickly and accurately position and clamp the blade in the structure, realizes the functions of quick replacement and repeated positioning of the indexable structure, can repeatedly grind without influencing the positioning edge because the two ends of the indexable structure are not interfered with each other, and realizes the function of repeatedly grinding the welding cutter.
Description
Technical Field
The invention belongs to the technical field of numerical control cutters, and particularly relates to a cutter with a tooth pattern structure, which can be rapidly clamped and repeatedly ground.
Background
The numerical control indexable insert has a very important position in industrial production, any numerical control indexable insert related to metal or nonmetal machining (such as acrylic machining, wood machining, stone machining, plastic machining, even mining and the like) can be used, and as the application of the cutter is more and more extensive, the improvement of the service life of the cutter becomes a key research direction in the numerical control cutter industry. There are many ways to improve the life of the tool, chamfering, passivation, coating, etc., all with some degree of effectiveness, but the most common and important way is also repeated sharpening of the tool. In order to save cost, a common numerical control indexable insert is generally made into a double-head structure, as shown in fig. 1, two adjacent edges are used as positioning references, when the common numerical control indexable insert is used, a positioning edge 1 and a positioning edge 2 are used as references, and when the positioning edge 1 is used for positioning, one head corresponding to the positioning edge 2 is used as a working head; when the positioning edge 2 is used for positioning, one end corresponding to the positioning edge 1 is used as a working head. However, the positioning edge is abraded when the blade is sharpened, so that the clamping is unstable, and the blade cannot be reused.
Disclosure of Invention
In order to overcome the problems in the background art, the invention provides a structural cutter with insections, which can be used for quickly clamping and repeatedly coping, and particularly separates the repeated clamping and positioning position of the cutter from the cutting edge position of the cutter, so that the quick-changing clamping function of an indexable cutter is realized, and the repeatable coping function of a welding cutter is also realized. The cutter head is easily clamped in the tooth-shaped groove by loosening the screw, the tail end is tightly fastened with the limiting block and is screwed again, two ends and two sides of two ends of the cutter head are polished during polishing, the positioning edge is not needed to be polished until the welded superhard cutter blank CBN or PCD is repaired, and therefore the production cost is greatly saved.
The invention discloses a cutter with a tooth pattern structure, which can be quickly clamped and repeatedly ground.
Further, the cutter body is made of any one of structural steel, spring steel or tool steel, and the quenching hardness is required to reach HRC 30-60; the material of the limiting block is hard alloy or tool steel; the tool bit is made of hard alloy and any one of CBN or PCD, and when cutting, the CBN or PCD participates in cutting work.
Furthermore, the end part of the cutter body is provided with an elastic pressing groove, the top surface of the cutter body is provided with a threaded hole, and the screw is arranged in the threaded hole; a tooth-shaped groove is formed in the bottom surface of the elastic pressing groove, a limiting groove is formed in the side edge of the tooth-shaped groove, and the limiting block is welded in the limiting groove; the cutter head is fixed in the elastic pressing groove through a screw, and the bottom surface of the cutter head is in tooth-shaped meshing with the tooth-shaped groove.
Furthermore, the cutter head limits displacement in the front and back X directions through a limiting block, limits displacement in the left and right Y directions through a tooth-shaped groove, and limits displacement in the upper and lower Z directions through a screw.
Further, the tool bit comprises a base body and a tool blank, wherein a tool nest is arranged on the base body, and the tool blank is welded in the tool nest.
Further, the base material is hard alloy, and the cutter blank material is CBN or PCD.
Further, the insection of the insection groove is an insection of a 60-degree or 55-degree tooth form.
Further, the tool bit models comprise a C type, a D type, a notch type, a V type, a T type, an S type, an R type and a W type.
Further, when the cutter head is a cutting groove type, the width of the cutting groove is 1mm-7 mm.
The invention also provides a processing method of the cutter with the structure, which comprises the following steps:
s10: cutter body processing specifically includes: s11 preparing cutter body materials; s12, processing the shape of the cutter body by using a milling machine, and drilling a threaded hole; s13, processing a tooth shape by using a formed milling cutter, and changing the position of a milling limit groove; s14 heat treatment; s15, welding a limiting block, and cutting an elastic pressing groove;
s20: the tool bit processing specifically comprises: s21, preparing a base body and a cutter blank; s22, preparing a cutter nest on the substrate according to the shape of the cutter blank; s23 welding the cutter blank; s24 grinding two sides of the cutter and the cutter point R;
s30: and assembling the cutter head and the cutter body and fixing the cutter head and the cutter body by using screws.
Compared with the prior art, the invention has the beneficial effects that:
1. the quick clamping and the accurate positioning of the cutter are realized through the structure that the bottom surface tooth-shaped groove and the limiting groove are separated.
2. Through improving the structure, the two groups of positioning edges are mutually independent, so that the function of not damaging the positioning edges even if the positioning edges are repeatedly polished for many times is achieved, more expensive CBN/PCD cutter materials are more fully utilized, and the production cost is saved.
Drawings
FIG. 1 is a schematic diagram of a prior art configuration of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a view of the type of cutter head according to the present invention;
FIG. 4 is a schematic view of a tool tip according to the present invention;
in the figure: 1-cutter body, 2-limiting block, 3-cutter head, 4-screw, 5-tooth-shaped groove, 6-base body and 7-cutter blank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Examples
Referring to fig. 2-4, the present invention provides a technical solution: a serrated structure cutter capable of being rapidly clamped and repeatedly polished comprises a cutter body, a limiting block, a cutter head and a screw.
The screw is a common standard screw, and the screw is a standard screw from M5 to M16 according to the sizes of the cutter body and the cutter head.
In the embodiment, the cutter body is made of any one of structural steel, spring steel or tool steel, and the quenching hardness is required to reach HRC 30-60; the material of the limiting block is hard alloy or tool steel; the tool bit is made of hard alloy and any one of CBN or PCD, and when cutting, the CBN or PCD participates in cutting work.
Specifically, the end part of the cutter body is provided with an elastic pressing groove, the top surface of the cutter body is provided with a threaded hole, and a screw is arranged in the threaded hole; a tooth-shaped groove is formed in the bottom surface of the elastic pressing groove, a limiting groove is formed in the side edge of the tooth-shaped groove, and a limiting block is welded in the limiting groove; the cutter head is fixed in the elastic pressing groove through a screw, and the bottom surface of the cutter head is in tooth-shaped meshing with the tooth-shaped groove.
The tooth profile on the cutter body is milled and formed on a milling machine through a forming milling cutter, and the tooth profile of the cutter body is required to be consistent with the tooth profile of the bottom surface of the cutter head;
the screw is matched with a threaded hole in the cutter body to be compressed, and then pressing force is generated through an elastic pressing groove in the cutter body to press the cutter head.
And the limiting block can be fixed on the cutter body through a bolt.
The cutter with the structure disclosed by the invention has a limiting function in three directions of XYZ, the cutter body is provided with a limiting block which is used for limiting the cutter head to move in the X direction back and forth, the cutter body and the cutter head are provided with mutually meshed insections, the cutter head is limited to move in the Y direction left and right through the insections, in addition, the insections can also realize the quick clamping and the accurate positioning of the cutter head, and the screw tightening can limit the cutter head to move in the Z direction up and down.
In this embodiment, the tool bit includes a base and a tool blank, the base is provided with a tool pocket, the tool blank is welded in the tool pocket, the base is made of cemented carbide, and the tool blank is made of CBN or PCD.
Further, the insection of the insection groove is 60-degree or 55-degree insection of a tooth shape.
The cutter body needs quenching, and the quenching hardness is HRC 30-60.
The tool bits disclosed by the invention respectively correspond to the code of the indexable insert structure, and the tool bit models comprise C type, D type, notch type, V type, T type, S type, R type and W type.
When the tool bit is a cutting groove type, the width of the cutting groove is 1mm-7 mm.
The invention also provides a processing method of the cutter with the structure, which comprises the following steps:
s10: cutter body processing specifically includes: s11 preparing cutter body materials; s12, processing the shape of the cutter body by using a milling machine, and drilling a threaded hole; s13, processing a tooth shape by using a formed milling cutter, and changing the position of a milling limit groove; s14 heat treatment; s15, welding a limiting block, and cutting an elastic pressing groove;
s20: the tool bit processing specifically comprises: s21, preparing a base body and a cutter blank; s22, preparing a cutter nest on the substrate according to the shape of the cutter blank; s23 welding the cutter blank; s24 grinding two sides of the cutter and the cutter point R;
s30: and assembling the cutter head and the cutter body and fixing the cutter head and the cutter body by using screws.
Test examples
The selected cutter head is a C-shaped cutter head with the model of XCGN10R0.8-CR-NC2, and corresponds to the model of a common numerical control indexable cutter blade CCGW09T308-NC 2. Wherein X represents the invention as a series, referred to as the X series; 10 denotes that the width between the two tips is 10 mm; r0.8 represents a nose R; c represents a C type for replacing a common numerical control indexable insert; r represents a right cutter; n represents that the welded material is CBN; c2 represents a double head.
Machining of cutter body
1. Preparing a cutter body material: 60Si2Mn, diameter phi 45mm, length 152mm
2. Machining the shape of the cutter body by a milling machine and drilling a threaded hole
3. Machining the tooth profile with a profile cutter and changing the position of the milling limit groove
4. Thermal treatment
5. Welding a limiting block and cutting an elastic pressing groove
Secondly, processing a tool bit
1. Preparing a base body and a cutter blank: the base body is made of hard alloy, and the cutter blank is CBN
2. According to the shape of the knife blank, a knife nest is arranged on the base body
3. Welding cutter blank
4. Grind both sides of the tool and the tool nose R0.8
And finally, assembling and matching the manufactured cutter body and the cutter head to obtain the product with the functions.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a can quick clamping can repeat the band tooth line structure cutter of coping again which characterized in that: comprises a cutter body, a limiting block, a cutter head and a screw.
2. The toothed structured tool of claim 1, wherein: the cutter body is made of any one of structural steel, spring steel or tool steel, and the quenching hardness is required to reach HRC 30-60; the material of the limiting block is hard alloy or tool steel; the tool bit is made of hard alloy and any one of CBN or PCD, and when cutting, the CBN or PCD participates in cutting work.
3. The toothed structured tool of claim 1, wherein: the end part of the cutter body is provided with an elastic pressing groove, the top surface of the cutter body is provided with a threaded hole, and the screw is arranged in the threaded hole; a tooth-shaped groove is formed in the bottom surface of the elastic pressing groove, a limiting groove is formed in the side edge of the tooth-shaped groove, and the limiting block is welded in the limiting groove; the cutter head is fixed in the elastic pressing groove through a screw, and the bottom surface of the cutter head is in tooth-shaped meshing with the tooth-shaped groove.
4. The toothed structured tool of claim 3, wherein: the cutter head passes through the displacement of X direction around the stopper restriction, the displacement of Y direction about the cutter head passes through the flute restriction, the displacement of Z direction about the cutter head passes through the screw restriction.
5. The toothed structured tool of claim 3, wherein: the tool bit comprises a base body and a tool blank, wherein a tool nest is arranged on the base body, and the tool blank is welded in the tool nest.
6. The toothed structured tool of claim 5, wherein: the base material is hard alloy, and the cutter blank material is CBN or PCD.
7. The toothed structured tool of claim 3, wherein: the insection of the insection groove is 60 degrees or 55 degrees of insection of tooth type.
8. The toothed structured tool of claim 1, wherein: the tool bit model comprises a C type, a D type, a notch type, a V type, a T type, an S type, an R type and a W type.
9. The toothed structured tool of claim 8, wherein: when the cutter head is a cutting groove type, the width of the cutting groove is 1mm-7 mm.
10. A method of machining a tool of the structure according to any one of claims 1 to 9, comprising the steps of:
s10: cutter body processing specifically includes: s11 preparing cutter body materials; s12, processing the shape of the cutter body by using a milling machine, and drilling a threaded hole; s13, processing a tooth shape by using a formed milling cutter, and changing the position of a milling limit groove; s14 heat treatment; s15, welding a limiting block, and cutting an elastic pressing groove;
s20: the tool bit processing specifically comprises: s21, preparing a base body and a cutter blank; s22, preparing a cutter nest on the substrate according to the shape of the cutter blank; s23 welding the cutter blank; s24 grinding two sides of the cutter and the cutter point R;
s30: and assembling the cutter head and the cutter body and fixing the cutter head and the cutter body by using screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010420245.5A CN111644644A (en) | 2020-05-18 | 2020-05-18 | Toothed structure cutter capable of being rapidly clamped and repeatedly polished |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010420245.5A CN111644644A (en) | 2020-05-18 | 2020-05-18 | Toothed structure cutter capable of being rapidly clamped and repeatedly polished |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111644644A true CN111644644A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010420245.5A Pending CN111644644A (en) | 2020-05-18 | 2020-05-18 | Toothed structure cutter capable of being rapidly clamped and repeatedly polished |
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| CN (1) | CN111644644A (en) |
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|---|---|---|---|---|
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2020
- 2020-05-18 CN CN202010420245.5A patent/CN111644644A/en active Pending
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