CN108789856A - A kind of cooling vertical stone process tool and its manufacturing method certainly - Google Patents
A kind of cooling vertical stone process tool and its manufacturing method certainly Download PDFInfo
- Publication number
- CN108789856A CN108789856A CN201810508586.0A CN201810508586A CN108789856A CN 108789856 A CN108789856 A CN 108789856A CN 201810508586 A CN201810508586 A CN 201810508586A CN 108789856 A CN108789856 A CN 108789856A
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- cooling hole
- cutter hub
- knife
- handle
- cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The present invention provides a kind of from cooling vertical stone process tool and its manufacturing method, include cutter hub and handle of a knife from cooling vertical stone process tool, cutter hub is equipped with major cutting edge and auxiliary-blade, handle of a knife is equipped with main cooling hole, main cooling hole is that depth extends to blind hole within cutter hub, and main cooling hole inner wall is equipped with multiple secondary cooling holes radially outwardly extending along handle of a knife；Manufacturing method include prepare cutter blank by sintering or chemical vapour deposition technique, spiral grooves gone out using milling machine Milling Process, using mill grinding major cutting edge and auxiliary-blade, using the main cooling hole of electric spark-erosion perforation machining and pair cooling hole；Technical solution using the present invention; polycrystalline diamond material has very high hardness; the cutting ability of cutter is greatly improved; coolant liquid flows through main cooling hole and secondary cooling hole cools down cutter; it avoids that so that cutter regional area is heated excessive, protects cutter, extend cutter life; keep cutter structure intensity higher, improves workpiece processing quality.
Description
Technical field
The invention belongs to processing of stone equipment Technology field more particularly to a kind of certainly cooling vertical stone process tools
And its manufacturing method.
Background technology
With developing for processing of stone industry, the demand of the required cutting tool used in processing of stone technical process
Amount also increasingly increase, it is current in the market, a variety of cutting tools for cutting stone material are provided, currently, most widely used
The cutter for cutting stone material be mainly break bar, generally by whole hard alloy manufacture, it is rolled on stone material, using having
It is high for 15 myriametres or so, generally 5 to 6 myriametres industrially to cut the stone material service life for the cutting edge cutting stone material of nose angle.But this
The service life of class break bar still fails to meet the requirements well.There is a kind of vertical cutter in the prior art, this cutter is at work
It cannot make feed motion along the axial direction of cutter, major cutting edge is typically provided on the peripheral surface of vertical cutter, is provided on end face
Auxiliary-blade, this kind of vertical cutter using very extensive, vertical cutter when used for a long time, due to its opposite fortune between workpiece
It is dynamic to produce a large amount of cutting heat, if being discharged not in time, cutter can be burnt out, influences cutting-tool's used life, and workpiece is made to add
Working medium amount reduces, and corresponding cooling tube is generally arranged on machining tool in the prior art, is conveyed coolant liquid by cooling tube
To gap location between vertical cutter and workpiece, using this type of cooling, since cooling tube setting direction can only be towards a side
To, thus cutter Local cooling can only be made, another type of cooling bad to the cooling effect of cutter is beaten in center cutter
Hole, into center cutter hole, feeding coolant liquid is cooled down, and although this mode improves the cooling effect of vertical cutter, still
The cooling hole of perforation makes the workpiece that cutter can not be larger to hardness carry out machining, together but by the strength reduction of vertical cutter
Sample affects cutting-tool's used life, for example, Publication No.：The patent document of " CN102000959A " discloses a kind of machinery
The endoporus of processing technique field cools down polycrystalline diamond screw thread high-rate forming cutter manufacture method, first by hard alloy cutter hub into
Then row grinding beats cooling hole and carries out PCD piece welding again on hard alloy cutter hub, finally use slow wire feeding cutting machine pair
PCD pieces carry out wire cutting, realize cutter manufacture.Using the technical solution of the invention, since center cutter hole perforation cutter is whole,
So that the structural strength of cutter itself is had a greatly reduced quality, affects cutting-tool's used life and machining ability, meanwhile, manufacturing process
Complex, manufacturing cost is higher.
Invention content
In order to solve the above technical problems, the present invention provides a kind of from cooling vertical stone process tool and its manufacturer
Method；
The present invention is achieved by the following technical programs；
The present invention provides a kind of cooling vertical stone process tool and its manufacturing method certainly, includes mainly by polycrystalline diamond
Cutter hub and handle of a knife made of material, the outer circumference surface of the cutter hub are equipped with the major cutting edge along center axis screw arrangement, institute
The one end for stating major cutting edge end and the cutter hub is crossed to form auxiliary-blade, and the other end of the cutter hub and one end of the handle of a knife connect
It connects, the other end of the handle of a knife is equipped with the main cooling hole extended along center axis, and the main cooling hole is that depth extends to knife
Blind hole within body, the main cooling hole inner wall are equipped with multiple secondary cooling holes radially outwardly extending along the handle of a knife.
The main cooling hole aperture is less than 3/8ths of the cutter hub or shank diameter.
The chamfering that angular range is 10 °~30 ° is equipped at the main cooling hole port.
It is described pair cooling hole by rotation center of the cutter hub central axis by circumference array be uniformly distributed for multigroup pair it is cold
But hole, the interior multiple good fortune cooling holes for being included of every group of pair cooling hole are uniformly divided along the cutter hub central axis by linear array
Cloth, the wherein secondary cooling hole of arbitrary neighborhood two are axially upper interlaced with each other in the cutter hub.
The pair cooling hole aperture is less than 3/8ths of the main cooling hole aperture.
The main cooling hole depth is the half of the sum of the cutter hub and shank length to 4/5ths.
Every group of pair cooling hole includes that secondary cooling hole number is 3 to 4.
In addition, the present invention also provides a kind of above-mentioned manufacturing method from cooling vertical stone process tool, including it is following
Step：
Step 1：Cutter blank is prepared by sintering or chemical vapour deposition technique, the cutter blank is by polycrystalline diamond material system
At cutter hub and handle of a knife composition；
Step 2：Using milling machine on the cutter hub peripheral surface described in step 1 Milling Process go out it is multiple along center axis spiral shell
Revolve the spiral grooves of arrangement；
Step 3：Grinding is carried out to cutter hub described in step 2 and handle of a knife outer surface, in arbitrary two neighboring spiral goove
Junction grinding goes out major cutting edge between slot, goes out auxiliary-blade in spiral grooves and cutter hub intersection grinding；
Step 4：Main cooling hole is got along center axis on the handle of a knife outer end face using electric spark-erosion perforation machine,
And get chamfering at main cooling hole port；Using electric spark-erosion perforation machine pair is got along its radial direction on the cutter hub peripheral surface
Cooling hole.
It is using the cutting parameter of milling machine Milling Process spiral grooves described in step 2：Speed of mainshaft 220r/min, into
Give amount 0.2mm/r, cutting depth 6mm.
Carrying out grinding to cutter hub and handle of a knife outer surface described in step 3 refers to：Using precise numerical control grinder to cutter hub and
Handle of a knife outer surface carries out grinding, makes the major cutting edge and auxiliary-blade the profile preliminarily forming on the cutter hub, and makes described
Major cutting edge, auxiliary-blade and the circle bounce of handle of a knife surface reach 10 microns or less.
Main cooling hole is got respectively using electric spark-erosion perforation machine described in step 4 and secondary cooling hole refers to：
Step 1：Roughing：Using pulse voltage 180V, pulse current 36A, roughing is carried out to the handle of a knife or cutter hub,
Get the main cooling hole of 0.02mm allowance or secondary cooling hole profile；
Step 2：Finishing：The handle of a knife or cutter hub are finished using pulse voltage 160V, pulse current 8A,
Get the main cooling hole of 0.005mm allowance or secondary cooling hole profile；
Step 3：Microstoning：Using 50~120V of pulse voltage, 2~6A of pulse current, to the handle of a knife or cutter hub into
Row microstoning, all allowance described in removal step 2 form final main cooling hole or secondary cooling hole profile.
The beneficial effects of the present invention are：Technical solution using the present invention, vertical cutter are made of cutter hub and handle of a knife, knife
Body and handle of a knife are made of polycrystalline diamond material, and polycrystalline diamond material has very high hardness, and cutter is greatly improved
Cutting ability, main cooling hole and secondary cooling hole are provided on cutting tool, can be by being passed through suitable cooling to main cooling hole
Liquid cools down cutter, and coolant liquid flows out after main cooling hole by secondary cooling hole, and coolant liquid and cutter material each section are equal
Contact, the cutting heat generated in cutting process is taken away in time, avoids that so that cutter regional area is heated excessive, to protect
Protected cutter, extended cutting-tool's used life, simultaneously as main cooling hole is blind hole, influence to cutter structure intensity compared with
It is small, more excellent machinability is maintained, and main cooling hole aperture is more than secondary cooling hole aperture, makes to have inside coolant liquid
Certain pressure can cover the range of bigger when spouting by secondary cooling hole, to more take away cutting heat, favorably
In raising workpiece processing quality.
Description of the drawings
Fig. 1 is structural schematic diagram of the present invention from cooling vertical stone process tool；
Fig. 2 is structural schematic diagram of the present invention from cooling vertical stone process tool along cutter shaft central axis cutting；
Fig. 3 is top view of the present invention from cooling vertical stone process tool.
In figure：1- cutter hubs, 2- handle of a knifes, 101- major cutting edges, 102- auxiliary-blades, the main cooling holes of 201-, 202- pair cooling holes.
Specific implementation mode
Be described further below technical scheme of the present invention, but claimed range be not limited to it is described；
The present invention provides a kind of from cooling vertical stone process tool and its manufacturing method, as shown in Figure 1, Figure 2, Figure 3 shows, packet
Cutter hub 1 and handle of a knife 2 made of polycrystalline diamond material are included, the outer circumference surface of cutter hub 1 is equipped with along center axis spiral cloth
The major cutting edge 101 set, 101 end of major cutting edge and one end of cutter hub 1 are crossed to form auxiliary-blade 102, the other end and handle of a knife of cutter hub 1
2 one end connection, the other end of handle of a knife 2 are equipped with the main cooling hole 201 extended along center axis, and main cooling hole 201 is depth
The blind hole within cutter hub 1 is extended to, 201 inner wall of main cooling hole is equipped with multiple secondary cooling holes radially outwardly extending along handle of a knife 2
202。
Technical solution using the present invention, vertical cutter are made of cutter hub and handle of a knife, and cutter hub and handle of a knife use glomerocryst Buddha's warrior attendant
Stone material is made, and polycrystalline diamond material has very high hardness, is greatly improved the cutting ability of cutter, on cutting tool
It is provided with main cooling hole and secondary cooling hole, cutter can be cooled down by being passed through suitable coolant liquid to main cooling hole, it is cooling
Liquid flows out after main cooling hole by secondary cooling hole, and coolant liquid is contacted with cutter material each section, will be in cutting process
The cutting heat of generation is taken away in time, avoids that so that cutter regional area is heated excessive, to protect cutter, extends cutter
Service life, simultaneously as main cooling hole is blind hole, the influence to cutter structure intensity is smaller, maintains more excellent cutting
Processing performance, and main cooling hole aperture is more than secondary cooling hole aperture, makes have certain pressure inside coolant liquid, by secondary cooling hole
When spouting, the range of bigger can be covered, to more take away cutting heat, is conducive to improve workpiece processing quality.
Further, 201 aperture of main cooling hole is less than 3/8ths of 2 diameter of cutter hub 1 or handle of a knife.201 end of main cooling hole
The chamfering that angular range is 10 °~30 ° is equipped at mouthful.Technical solution using the present invention, due to being set at 201 port of main cooling hole
There is chamfering, increases pressure when coolant liquid flows in main cooling hole, keep coolant liquid spouting via secondary cooling hole, to
Coolant liquid is set to be covered in the range of workpiece surface bigger, the cutting heat band that will more fully be generated in cutting process
It walks.
Further, it is multigroup that secondary cooling hole 202, which is uniformly distributed by rotation center of 1 central axis of cutter hub by circumference array,
Secondary cooling hole 202, the interior multiple good fortune cooling holes for being included of every group of pair cooling hole 202 are along 1 central axis of cutter hub by linear array
It is uniformly distributed, wherein the secondary cooling hole 202 of arbitrary neighborhood two is axial interlaced with each other in cutter hub 1.Technical side using the present invention
Case, cutter are along center axis rotary motion at work, and coolant liquid is spouting by multiple secondary cooling holes 202, makes
Coolant liquid is sprayable in the more ranges of workpiece surface, more fully takes away the cutting heat generated in cutting process.
Further, 202 aperture of secondary cooling hole is less than 3/8ths of 201 aperture of main cooling hole.201 depth of main cooling hole
It is the half of the sum of cutter hub 1 and 2 length of handle of a knife to 4/5ths.Every group of pair cooling hole 202 includes 202 quantity of secondary cooling hole
It is 3 to 4.
In addition, the present invention also provides a kind of above-mentioned manufacturing method from cooling vertical stone process tool, including it is following
Step：
Step 1：Cutter blank is prepared by sintering or chemical vapour deposition technique, cutter blank is made of polycrystalline diamond material
Cutter hub 1 and handle of a knife 2 form；Further, it is 0.5mm~0.6mm to prepare cutter blank outer surface and reserve allowance.
Step 2：Using milling machine on 1 peripheral surface of step 1 cutter hub Milling Process go out it is multiple along center axis spiral
The spiral grooves of arrangement；Further, it is using the cutting parameter of milling machine Milling Process spiral grooves：Speed of mainshaft 220r/
Min, amount of feeding 0.2mm/r, cutting depth 6mm.Using such manufacture, since the speed of mainshaft is relatively low, the amount of feeding is smaller,
The case hardness for being conducive to improve major cutting edge and auxiliary-blade, improves its cutting ability, extends cutting-tool's used life.
Step 3：Grinding is carried out to step 2 cutter hub 1 and 2 outer surface of handle of a knife, in arbitrary two neighboring spiral grooves
Between junction grinding go out major cutting edge 101, go out auxiliary-blade 102 in spiral grooves and 1 intersection grinding of cutter hub；Into one
Step ground, carrying out grinding to cutter hub 1 and 2 outer surface of handle of a knife refers to：Using precise numerical control grinder to 2 appearance of cutter hub 1 and handle of a knife
Face carries out grinding, makes major cutting edge 101 and 102 profile of the auxiliary-blade preliminarily forming on cutter hub 1, and makes major cutting edge 101, secondary knife
Sword 102 and the circle bounce of 2 surface of handle of a knife reach 10 microns or less.
Step 4：Main cooling hole 201 is got along center axis on 2 outer end face of handle of a knife using electric spark-erosion perforation machine,
And get chamfering at 201 port of main cooling hole；Using electric spark-erosion perforation machine pair is got along its radial direction on 1 peripheral surface of cutter hub
Cooling hole 202.
Further, main cooling hole 201 is got respectively using electric spark-erosion perforation machine and secondary cooling hole 202 refers to：
Step 1：Roughing：Using pulse voltage 180V, pulse current 36A, roughing is carried out to handle of a knife 2 or cutter hub 1, is beaten
Go out 202 profile of main cooling hole 201 or secondary cooling hole of 0.02mm allowance；
Step 2：Finishing：Handle of a knife 2 or cutter hub 1 are finished, beaten using pulse voltage 160V, pulse current 8A
Go out 202 profile of main cooling hole 201 or secondary cooling hole of 0.005mm allowance；
Step 3：Microstoning：Using 50~120V of pulse voltage, 2~6A of pulse current, handle of a knife 2 or cutter hub 1 are carried out
Microstoning, 2 all allowance of removal step form 202 profile of final main cooling hole 201 or secondary cooling hole.
Technical solution using the present invention, compared with prior art, using single spark erosion technique in handle of a knife and cutter hub
On process main cooling hole and secondary cooling hole, the processing technology of single cooling hole is divided into as roughing, finishing and microstoning
Technological process, the machining accuracy and surface quality of main cooling hole and secondary cooling hole are ensure that in technological process, releases knife
The surface stress for having material internal makes influence of the setting of main cooling hole and secondary cooling hole to the structural strength of cutter reach minimum
Change, extends cutting-tool's used life.
Claims (10)
1. a kind of from cooling vertical stone process tool, it is characterised in that：Including the cutter hub made of polycrystalline diamond material (1)
With handle of a knife (2), the outer circumference surface of the cutter hub (1) is equipped with the major cutting edge (101) along center axis screw arrangement, the master
One end of blade (101) end and the cutter hub (1) is crossed to form auxiliary-blade (102), the other end of the cutter hub (1) with it is described
One end of handle of a knife (2) connects, and the other end of the handle of a knife (2) is equipped with the main cooling hole (201) extended along center axis, described
Main cooling hole (201) is that depth extends to blind hole within cutter hub (1), and main cooling hole (201) inner wall is equipped with multiple edges
The radially outwardly extending secondary cooling hole (202) of the handle of a knife (2).
2. as described in claim 1 from cooling vertical stone process tool, it is characterised in that：Main cooling hole (201) hole
Diameter is less than 3/8ths of the cutter hub (1) or handle of a knife (2) diameter.
3. as described in claim 1 from cooling vertical stone process tool, it is characterised in that：Main cooling hole (201) end
The chamfering that angular range is 10 °~30 ° is equipped at mouthful.
4. as described in claim 1 from cooling vertical stone process tool, it is characterised in that：It is described pair cooling hole (202) with
Cutter hub (1) central axis is that rotation center is uniformly distributed by circumference array as multigroup secondary cooling hole (202), every group of pair cooling
The multiple good fortune cooling holes for being included in hole (202) are uniformly distributed along the cutter hub (1) central axis by linear array, wherein appointing
Two neighboring secondary cooling hole (202) of anticipating is interlaced with each other in the cutter hub (1) axial direction.
5. as described in claim 1 from cooling vertical stone process tool, it is characterised in that：The main cooling hole (201) is deep
Degree is the half of the sum of the cutter hub (1) and handle of a knife (2) length to 4/5ths.
6. as described in claim 1 from cooling vertical stone process tool, it is characterised in that：Every group of pair cooling hole
(202) it is 3 to 4 comprising secondary cooling hole (202) quantity.
7. a kind of manufacturing method using the certainly cooling vertical stone process tool as described in any one of claim 1 to 6, feature
It is：Include the following steps：
Step 1：Cutter blank is prepared by sintering or chemical vapour deposition technique, the cutter blank is made of polycrystalline diamond material
Cutter hub (1) and handle of a knife (2) composition；
Step 2：Gone out using Milling Process on milling machine cutter hub described in step 1 (1) peripheral surface multiple along center axis spiral shell
Revolve the spiral grooves of arrangement；
Step 3：Grinding is carried out to cutter hub described in step 2 (1) and handle of a knife (2) outer surface, in arbitrary two neighboring spiral
Junction grinding goes out major cutting edge (101) between groove, goes out pair in spiral grooves and the cutter hub (1) intersection grinding
Blade (102)；
Step 4：Using electric spark-erosion perforation machine main cooling hole is got along center axis on the handle of a knife (2) outer end face
(201), and at main cooling hole (201) port chamfering is got；Using electric spark-erosion perforation machine in the cutter hub (1) peripheral surface upper edge
It its radial direction and gets secondary cooling hole (202).
8. the manufacturing method as described in claim 1 from cooling vertical stone process tool, it is characterised in that：Institute in step 2
It states and is using the cutting parameter of milling machine Milling Process spiral grooves：Speed of mainshaft 220r/min, amount of feeding 0.2mm/r, cutting are deep
Spend 6mm.
9. the manufacturing method as described in claim 1 from cooling vertical stone process tool, it is characterised in that：Described in step 3
Carrying out grinding to cutter hub (1) and handle of a knife (2) outer surface refers to：Using precise numerical control grinder to cutter hub (1) and handle of a knife (2) outside
Surface carries out grinding, makes the major cutting edge (101) and auxiliary-blade (102) the profile preliminarily forming on the cutter hub (1), and
The major cutting edge (101), auxiliary-blade (102) and the circle bounce of handle of a knife (2) surface is set to reach 10 microns or less.
10. the manufacturing method as described in claim 1 from cooling vertical stone process tool, it is characterised in that：Step 4 institute
It states and gets main cooling hole (201) respectively using electric spark-erosion perforation machine and secondary cooling hole (202) refers to：
Step 1：Roughing：Using pulse voltage 180V, pulse current 36A, the handle of a knife (2) or cutter hub (1) slightly add
Work gets the main cooling hole (201) of 0.02mm allowance or secondary cooling hole (202) profile；
Step 2：Finishing：Using pulse voltage 160V, pulse current 8A, finishing is carried out to the handle of a knife (2) or cutter hub (1)
Work gets the main cooling hole (201) of 0.005mm allowance or secondary cooling hole (202) profile；
Step 3：Microstoning：Using 50~120V of pulse voltage, 2~6A of pulse current, to the handle of a knife (2) or cutter hub (1)
Microstoning is carried out, all allowance described in removal step 2 form final main cooling hole (201) or secondary cooling hole (202)
Profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508586.0A CN108789856A (en) | 2018-05-24 | 2018-05-24 | A kind of cooling vertical stone process tool and its manufacturing method certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508586.0A CN108789856A (en) | 2018-05-24 | 2018-05-24 | A kind of cooling vertical stone process tool and its manufacturing method certainly |
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| Publication Number | Publication Date |
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| CN108789856A true CN108789856A (en) | 2018-11-13 |
Family
ID=64092888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810508586.0A Pending CN108789856A (en) | 2018-05-24 | 2018-05-24 | A kind of cooling vertical stone process tool and its manufacturing method certainly |
Country Status (1)
| Country | Link |
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| CN (1) | CN108789856A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774826A (en) * | 2020-06-10 | 2020-10-16 | 宁波欧乐机械有限公司 | Forming process of slender hydraulic knife handle |
| CN112692527A (en) * | 2020-12-17 | 2021-04-23 | 昆山市优捷科自动化设备有限公司 | Machining method of cutting knife saw |
| CN113894510A (en) * | 2021-11-05 | 2022-01-07 | 中国铁建重工集团股份有限公司 | Method for processing crushing roller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774826A (en) * | 2020-06-10 | 2020-10-16 | 宁波欧乐机械有限公司 | Forming process of slender hydraulic knife handle |
| CN111774826B (en) * | 2020-06-10 | 2021-12-24 | 宁波欧乐机械有限公司 | Forming process of slender hydraulic knife handle |
| CN112692527A (en) * | 2020-12-17 | 2021-04-23 | 昆山市优捷科自动化设备有限公司 | Machining method of cutting knife saw |
| CN113894510A (en) * | 2021-11-05 | 2022-01-07 | 中国铁建重工集团股份有限公司 | Method for processing crushing roller |
| CN113894510B (en) * | 2021-11-05 | 2023-03-10 | 中国铁建重工集团股份有限公司 | Method for processing crushing roller |
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Application publication date: 20181113 |
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| RJ01 | Rejection of invention patent application after publication |