CN102896374B - Process for manufacturing diamond saw blade - Google Patents
Process for manufacturing diamond saw blade Download PDFInfo
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- CN102896374B CN102896374B CN201210383754.0A CN201210383754A CN102896374B CN 102896374 B CN102896374 B CN 102896374B CN 201210383754 A CN201210383754 A CN 201210383754A CN 102896374 B CN102896374 B CN 102896374B
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- river
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Abstract
The invention discloses a process for manufacturing a diamond saw blade. The process comprises the following three steps of: stamping water gaps, namely stamping substrate water gaps on the outer edge of a substrate by a sheet metal method; performing cold-press forming, namely cold-pressing metal powder on the outer edge of the substrate on a cold-press forming machine to form a diamond saw blade blank, wherein a cold-press die used for cold-press forming comprises a female die, an upper press head and a lower press head; and performing hot-press forming, namely putting the diamond saw blade blank on a hot-press die into sintering equipment, and melting a cutter head and the substrate at high temperature and high pressure for forming. When the diamond saw blade is manufactured by the process, production efficiency can be improved, and production cost is reduced.
Description
Technical field
The present invention relates to a kind of processing method of cutting tool, specifically a kind of diamond saw blade manufacture craft.
Background technology
Diamond saw blade is made up of the annular diamond segment on disc matrix and matrix outer rim.Diamond saw blade is used for cutting non-metal material, general continuous tooth diamond saw blade is multiplex dryly to be cut or wet cuts the material that hardness is high, fragility greatly, easily collapses limit, as pottery, granite etc., but continuous tooth saw blade is in high-speed cutting process, under the effect of Cutting Drag and driving force, stretching, torsional deformation can be produced, and then cause saw blade to swing, cut material be produced and collapses limit phenomenon.For avoiding the generation of above-mentioned situation, by continuous print diamond segment with distribute equally the narrow slit laid and put some radial directions near the matrix outer edge of cutter head on saw blade excircle, to discharge tension set, thus avoid saw blade distortion, phenomenon that cut material collapses limit.At present, the diamond saw blade manufacture craft of this band narrow slit is carried out according to the following steps:
The cold pressing forming mould of a, use circular ring type, becomes diamond saw blade blank by the metal powder containing diamond particles and saw bit matrix cold moudling; B, diamond saw blade blank is placed in the reeded hot pressing die of band and sinters diamond saw blade into; C, on the diamond saw blade excircle sintered by continuous print diamond tool head part with near the matrix outer rim of cutter head, go out some radial narrow slits by laser cutting.
Adopt this kind of technique can cut out radial narrow slit on diamond saw blade, but because the process of cutting is for adopting laser cutting, therefore cost is very high, is not easy to promote.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of diamond saw blade manufacture craft, not only can reduce the production cost of diamond saw blade, can also enhance productivity.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: diamond saw blade manufacture craft, comprises the punching press mouth of a river, cold moudling and hot-forming three steps:
The step at the described punching press mouth of a river comprises:
A, in the matrix outer rim of diamond saw blade, stamp out the matrix mouth of a river by panel beating method;
Described cold compression molding step comprises:
B, cold stamping die is arranged on chilling press, described cold stamping die comprise socket type former and with former with the use of stepped ramp type seaming chuck and push-down head, the shape of cross section of described former endoporus is corresponding to the end surface shape of diamond saw blade, the inwall of former is provided with towards the radial water buccal mass at former center, the seaming chuck of described cold stamping die and push-down head are provided with the radial mouth of a river groove coordinated with mouth of a river block, and the cross section of described seaming chuck and push-down head is corresponding to the cross section of former endoporus; Described cold stamping die also comprises between seaming chuck and push-down head, match with the endoporus of seaming chuck and push-down head and be fastened by bolts matrix is pressed on middle train wheel bridge and lower plate; The cavity of shaping cutter head is formed between described seaming chuck, push-down head and former;
C, will make the metal powder of cutter head and put into the cavity of mould, metal powder is compressed on matrix excircle by seaming chuck under the effect of chilling press, makes diamond saw blade blank;
Described hot-forming step comprises:
D, the diamond saw blade blank of cold moudling is placed in hot pressing die and carries out pressurized treatments, described hot pressing die comprises substrate, described substrate is provided with the groove that shape is corresponding to diamond saw plate shape, the position of the corresponding diamond saw blade of recess edge is provided with mouth of a river bar;
E, by pressurization after diamond saw blade blank put into agglomerating plant, cutter head and matrix melt molding at high temperature under high pressure; Cooling down afterwards, dismounting mould, takes out hot-forming diamond saw blade.
Further improvement of the present invention is: the inner at the described matrix mouth of a river is for circular, and the matrix mouth of a river is the gap of strip near matrix peripheral edge portion, and described gap width is 1.5 ~ 2.5mm.
Further improvement of the present invention is: the width of the mouth of a river block of described former is 1.5 ~ 2.5mm.
Further improvement of the present invention is: the step be arranged on by cold stamping die on chilling press is:
B1, the seaming chuck of cold stamping die is arranged on the main shaft of chilling press; Coaxial with seaming chuck and the corresponding push-down head arranged is fixedly mounted on cold moudling machine worktable;
B2, be sleeved on by former on the platform circle of push-down head, the mouth of a river block on former inwall is positioned at the mouth of a river groove of push-down head, and the upper surface of former is higher than the upper surface of push-down head;
B3, with bolt, matrix is pressed between train wheel bridge and lower plate, and the train wheel bridge, matrix and the lower plate that become to be integrated are supported in the endoporus of push-down head by back-up block, the center in matrix thickness direction and the center of shaping cutter head thickness direction are in same plane.
Further improvement of the present invention is: the width of the mouth of a river bar of described hot pressing die is 0.8 ~ 1.2mm.
Owing to have employed technique scheme, the technological progress that the present invention obtains is:
Adopt diamond saw blade manufacture craft of the present invention, eliminate expensive laser cutting operation, adopt general punching press and the processing method of powder metallurgy, not only reduce cost low, also improve efficiency.
The inner at the matrix mouth of a river is circular, and be the gap of strip near matrix peripheral edge portion, described gap width is 1.5 ~ 2.5mm, and the setting of this structure not only makes mouth of a river punching press easier, and it is concentrated operationally can to reduce matrix stress, prevents MATRIX CRACKING.Meanwhile, adopt the method processing mouth of a river of punching press, be also suitable for batch production, be conducive to raising the efficiency.
Radial water buccal mass on former inwall, can make the cutter head of diamond saw blade just form the mouth of a river when cold moudling.The width of mouth of a river block is set to 1.5 ~ 2.5mm, slightly wider than the diamond saw blade mouth of a river of finished product, can strengthen the intensity of former mouth of a river block, and anti-waterstop port block comes off from former.
Mouth of a river bar in hot pressing die groove, can make the cutter head of diamond saw blade generate the mouth of a river when hot-forming, prevents metal powder from flowing when HTHP sinters and is engulfed at the mouth of a river of cutter head, generate an annular cutter head.The width of mouth of a river bar is 0.8 ~ 1.2mm, the final width at the cutter head mouth of a river can be made to become 0.8 ~ 1.2mm, reach the designing requirement of diamond saw blade.
Hot pressing die can also adopt the hot pressing die of original annular, just when diamond saw blade hot pressed sintering, install and the mouth of a river quantity of diamond saw blade, the block of position consistency in the groove of original hot pressing die, with reach cutter head shaping after still retain the object at the mouth of a river, original mould can be made full use of like this to reduce costs.
Accompanying drawing explanation
Fig. 1 is the structural representation of cold stamping die of the present invention;
Fig. 2 is the front view of push-down head of the present invention;
Fig. 3 is the top view of push-down head of the present invention;
Fig. 4 is the front view of former of the present invention;
Fig. 5 is the top view of former of the present invention;
Fig. 6 is the diamond saw blade schematic diagram produced with the present invention;
Fig. 7 is the front view of hot pressing die of the present invention;
Fig. 8 is the top view of hot pressing die of the present invention.
Wherein, 1, former, 2, seaming chuck, 3, train wheel bridge, 4, lower plate, 5, bolt, 6, matrix, 7, push-down head, 8, mouth of a river groove, 9, mouth of a river block, 10, hot pressing die, 11, the cutter head mouth of a river, 12, the matrix mouth of a river, 13, mouth of a river bar, 14, groove.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further details:
Diamond saw blade manufacture craft of the present invention, mainly change the processing method at the mouth of a river, comprise the punching press mouth of a river, cold moudling and hot-forming three steps, the punching press mouth of a river adopts the method for general metal plate punching to process the mouth of a river on matrix, reduce cost, improve efficiency; The inwall of former in cold stamping die 1 will be arranged the radial water buccal mass 9 towards former 1 center during cold moudling, make the mouth of a river on cutter head at the first one-step forming of cold compression molding step.Cold stamping die is shown in Fig. 1; To be provided with the version of mouth of a river bar 13 in the groove 14 of hot pressing die 10 time hot-forming, groove 14 shape is corresponding to diamond saw plate shape, and the cutter head mouth of a river is sinter molding in hot-forming process, and hot pressing die is shown in Fig. 7, Fig. 8.
The step at the punching press mouth of a river comprises:
A, the matrix of diamond saw blade is placed on work bench of punch press, directly goes out the matrix mouth of a river 12.The inner at the matrix mouth of a river 12 is circular, and the matrix mouth of a river 12 is the gap of strip near matrix 6 peripheral edge portion, and gap width is 1.5 ~ 2.5mm.In the present embodiment, gap width is 2mm.
Cold compression molding step comprises:
B, cold stamping die prepare, and cold stamping die comprises former 1, seaming chuck 2 and push-down head 7.As shown in Figure 4, Figure 5, former 1 is socket type structure, and the inwall of former 1 is arranged towards the radial water buccal mass 9 at former 1 center, mouth of a river block 9 is identical with the matrix mouth of a river 12 quantity, position is corresponding, and mouth of a river block 9 width is 1.5 ~ 2.5mm.The shape of cross section of former 1 endoporus is corresponding to the end surface shape of diamond saw blade.In the present embodiment, mouth of a river block 9 width is 2mm.As shown in Figure 2 and Figure 3, push-down head 7 is stepped ramp type structure, with former 1 with the use of.Push-down head 7 is provided with radial mouth of a river groove 8, radial mouth of a river groove 8 from push-down head 7 hole inwall to outer rim extend and match with mouth of a river block 9, push-down head 7 cross section is corresponding to the endoporus cross section of former 1.During use, the platform circle of push-down head 7 inserts in former 1 hole, and the mouth of a river block 9 on former 1 inserts in the mouth of a river groove 8 of push-down head 7.Seaming chuck 2 is identical with push-down head 7 structure, is symmetricly set on the both sides of former 1.The cavity of shaping cutter head is formed between seaming chuck 2, push-down head 7 and former 1.Cold stamping die also comprises train wheel bridge 3, lower plate 4 and bolt 5, and matrix 6 is fastening by bolt 5, be pressed in the middle of train wheel bridge 3 and lower plate 4, and the cylindrical of train wheel bridge 3 and lower plate 4 matches with the endoporus of seaming chuck 2 and push-down head 7.
B1, the seaming chuck 2 of cold stamping die is arranged on the main shaft of chilling press, be fixedly mounted on the workbench of chilling press by push-down head 7, push-down head 7 is coaxial with seaming chuck 2, and the mouth of a river groove 8 of seaming chuck 2 is put corresponding with the slot, the mouth of a river of push-down head 7.
B2, be sleeved on by former 1 on the platform circle of push-down head 7, the mouth of a river block 9 on former 1 inwall is positioned at the mouth of a river groove 8 of push-down head 7, and the upper surface of former 1 is higher than the upper surface of push-down head 7, shaping in cold pressing forming mould with the cutter head of guarantee fund's diamond saw blade.
B3, matrix 6 bolt 5 is pressed between train wheel bridge 3 and lower plate 4, and the train wheel bridge 3, matrix 6 and the lower plate 4 that become to be integrated are supported in the endoporus of push-down head 7 by back-up block, the center of matrix 6 thickness direction and the center of shaping cutter head thickness direction are in same plane, ensure that the insert symmetry after cold moudling is attached on matrix excircle.
C, will the metal powder of cutter head be made put into the cavity of mould, metal powder is compressed on matrix 6 excircle by seaming chuck 2 under the effect of chilling press, make diamond saw blade blank, the cutter head of the diamond saw blade blank be pressed into becomes the cutter head with the mouth of a river because of the existence of former 1 inner nozzle block 9.In the present embodiment, now the mouth of a river width of cutter head is 2mm.
Described hot-forming step comprises:
D, hot pressing die prepare: hot pressing die 10 comprises substrate, substrate is provided with groove 14, and groove 14 shape is corresponding to diamond saw plate shape, for placing the diamond saw blade blank of cold moudling.The position of the corresponding diamond saw blade in groove 14 edge is provided with mouth of a river bar 13, mouth of a river bar 13 is corresponding with the mouth of a river of diamond saw blade blank, the width of mouth of a river bar 13 is 0.8 ~ 1.2mm, the diamond saw blade blank of cold moudling is placed in the groove 14 of hot pressing die 10, make the mouth of a river of diamond saw blade blank corresponding with the mouth of a river bar 13 on hot pressing die, mouth of a river bar 13 is inserted in the mouth of a river of diamond saw blade blank, carries out pressurized treatments afterwards.In the present embodiment, the width of mouth of a river bar 13 is 1mm.
E, by pressurization after diamond saw blade blank put into agglomerating plant, sinter at high temperature under high pressure, make cutter head and matrix melt molding, afterwards cooling down, dismounting mould, taking-up diamond saw blade.When diamond saw blade blank sinters at high temperature under high pressure, the flowing of metal powder can make the mouth of a river of diamond saw blade narrow down to 0.8 to 1.2mm.In the present embodiment, the mouth of a river width of diamond saw blade is 1mm.
Certainly, for cost-saving, hot pressing die 10 also can adopt original annular hot pressing die, but in use, need to install some blocks in the groove of original hot pressing die, block is identical with the mouth of a river quantity of diamond saw blade, position is corresponding, and the width of block is arbitrary size in 0.8 ~ 1.2mm, it is high that length equals cutter head, and it is thick that thickness equals cutter head.
Claims (1)
1. diamond saw blade manufacture craft, is characterized in that: comprise the punching press mouth of a river, cold moudling and hot-forming three steps:
The step at the described punching press mouth of a river comprises:
A, in matrix (6) outer rim of diamond saw blade, stamp out the matrix mouth of a river (12) by panel beating method; The inner of the described matrix mouth of a river (12) is circular, and the matrix mouth of a river (12) are the gap of strip near matrix (6) peripheral edge portion, and described gap width is 1.5 ~ 2.5mm;
Described cold compression molding step comprises:
B, cold stamping die is arranged on chilling press, described cold stamping die comprise socket type former (1) and with former (1) with the use of stepped ramp type seaming chuck (2) and push-down head (7), the shape of cross section of described former (1) endoporus is corresponding to the end surface shape of diamond saw blade, the inwall of former (1) is provided with towards the radial water buccal mass (9) at former (1) center, the width of mouth of a river block (9) is 1.5 ~ 2.5mm, the seaming chuck (2) of described cold stamping die and push-down head (7) are provided with radial mouth of a river groove (8) coordinated with mouth of a river block (9), the cross section of described seaming chuck (2) and push-down head (7) is corresponding to the cross section of former (1) endoporus, described cold stamping die also comprise to be positioned between seaming chuck (2) and push-down head (7), match with the endoporus of seaming chuck (2) and push-down head (7) and by bolt (5) fastening matrix (6) is pressed on middle train wheel bridge (3) and lower plate (4), the cavity of shaping cutter head is formed between described seaming chuck (2), push-down head (7) and former (1),
The step be arranged on by cold stamping die on chilling press is:
B1, the seaming chuck (2) of cold stamping die is arranged on the main shaft of chilling press; Coaxial with seaming chuck and the corresponding push-down head (7) arranged is fixedly mounted on cold moudling machine worktable;
B2, former (1) is sleeved on push-down head (7) platform circle on, mouth of a river block (9) on former (1) inwall is positioned at the mouth of a river groove (8) of push-down head (7), and the upper surface of former (1) is higher than the upper surface of push-down head (7);
B3, with bolt (5), matrix (6) is pressed between train wheel bridge (3) and lower plate (4), and the train wheel bridge (3), matrix (6) and the lower plate (4) that become to be integrated are supported in the endoporus of push-down head (7) by back-up block, the center of matrix (6) thickness direction and the center of shaping cutter head thickness direction are in same plane;
C, will make the metal powder of cutter head and put into the cavity of mould, metal powder is compressed on matrix (6) excircle by seaming chuck (2) under the effect of chilling press, makes diamond saw blade blank;
Described hot-forming step comprises:
D, the diamond saw blade blank of cold moudling is placed in hot pressing die (10) and carries out pressurized treatments, described hot pressing die (10) comprises substrate, described substrate is provided with the shape groove corresponding to diamond saw plate shape (14), the position of the corresponding diamond saw blade in groove (14) edge is provided with mouth of a river bar (13); The width of mouth of a river bar (13) is 0.8 ~ 1.2mm, and mouth of a river bar (13) is inserted in the mouth of a river of diamond saw blade blank;
E, by pressurization after diamond saw blade blank put into agglomerating plant, cutter head and matrix melt molding at high temperature under high pressure; Cooling down afterwards, dismounting mould, takes out hot-forming diamond saw blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210383754.0A CN102896374B (en) | 2012-10-11 | 2012-10-11 | Process for manufacturing diamond saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210383754.0A CN102896374B (en) | 2012-10-11 | 2012-10-11 | Process for manufacturing diamond saw blade |
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| Publication Number | Publication Date |
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| CN102896374A CN102896374A (en) | 2013-01-30 |
| CN102896374B true CN102896374B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210383754.0A Expired - Fee Related CN102896374B (en) | 2012-10-11 | 2012-10-11 | Process for manufacturing diamond saw blade |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876758A (en) * | 2017-12-11 | 2018-04-06 | 郭荣忠 | A kind of raw cook automatic cold-press manufacturing process of diamond saw blade |
| CN111266654B (en) * | 2019-12-17 | 2021-07-02 | 江苏陆氏金刚石工具有限公司 | Production process of diamond saw blade |
| CN113319751B (en) * | 2021-05-18 | 2023-01-10 | 珠海市巨海科技有限公司 | Method for manufacturing metal bond diamond grinding wheel and equipment for manufacturing metal bond diamond grinding wheel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610185A (en) * | 1984-04-26 | 1986-09-09 | France Daniel E | Rotatable master die set and quick change unit die system |
| JP2002166323A (en) * | 2000-11-13 | 2002-06-11 | Rin Soon Park | Manufacturing method and manufacturing device of cutting saw, and cutting saw manufactured thereby |
| CN201300496Y (en) * | 2008-12-04 | 2009-09-02 | 河北富世华冀凯金刚石工具有限公司 | Sintered diamond saw blade for professionally cutting ceramic tiles |
| CN101879634A (en) * | 2010-06-21 | 2010-11-10 | 晶日金刚石工业有限公司 | Forming device of diamond tooth-dividing sintered saw bits |
| CN102049814A (en) * | 2010-11-27 | 2011-05-11 | 常州华中集团有限公司 | Diamond saw blade and manufacturing method thereof |
-
2012
- 2012-10-11 CN CN201210383754.0A patent/CN102896374B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610185A (en) * | 1984-04-26 | 1986-09-09 | France Daniel E | Rotatable master die set and quick change unit die system |
| JP2002166323A (en) * | 2000-11-13 | 2002-06-11 | Rin Soon Park | Manufacturing method and manufacturing device of cutting saw, and cutting saw manufactured thereby |
| CN201300496Y (en) * | 2008-12-04 | 2009-09-02 | 河北富世华冀凯金刚石工具有限公司 | Sintered diamond saw blade for professionally cutting ceramic tiles |
| CN101879634A (en) * | 2010-06-21 | 2010-11-10 | 晶日金刚石工业有限公司 | Forming device of diamond tooth-dividing sintered saw bits |
| CN102049814A (en) * | 2010-11-27 | 2011-05-11 | 常州华中集团有限公司 | Diamond saw blade and manufacturing method thereof |
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| CN102896374A (en) | 2013-01-30 |
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Effective date of registration: 20170814 Address after: 100020, Beijing, Chaoyang District Tong Tong Tung Street, No. 1, building 6, 13, 3, unit 231606 Patentee after: Ji Kai Enterprise Management Group Ltd. Address before: 050035 No. 89, the Yellow River Avenue, hi tech Zone, Hebei, Shijiazhuang Patentee before: HEBEI JIKAI INDUSTRIAL GROUP Co.,Ltd. |
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