CN113618135A - Slotting blade special for planing and slotting machine tool and machining method - Google Patents
Slotting blade special for planing and slotting machine tool and machining method Download PDFInfo
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- CN113618135A CN113618135A CN202110961780.6A CN202110961780A CN113618135A CN 113618135 A CN113618135 A CN 113618135A CN 202110961780 A CN202110961780 A CN 202110961780A CN 113618135 A CN113618135 A CN 113618135A
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- 238000003754 machining Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 147
- 238000003672 processing method Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009763 wire-cut EDM Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D13/00—Tools or tool holders specially designed for planing or slotting machines
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- 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
- B23P15/38—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools planing or slotting tools
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Abstract
A slotting blade special for a planing and slotting machine tool and a processing method. In particular to the field of slotting cutter blade processing. The invention aims to solve the problems of low processing efficiency and low precision of processed products when the conventional insert cutting blade is used for processing the blade assembling opening. The product is as follows: the front end face of the cutting unit is V-shaped, a plurality of continuous concave-convex steps are machined on the right end face of the cuboid unit, and the continuous concave-convex steps are matched with the concave-convex structure of the cutter body. The method comprises the following steps: wherein the length of the cutting unit is L1, and the length of the cuboid unit is L2; cutting a plurality of continuous concave-convex structures on the surface B2 of the cuboid unit by using a linear cutting machine; the a1 surface was ground into a V-shape, and the relief angle of the cutting unit 1 was ground with a cutter grinder, the relief angle being 5 °, the side angle of the cutting unit was ground with a side angle of 1 ° and the side relief angle of the cutting unit was ground with a side relief angle of 2 °, and the machining was completed. The invention is used for planing the blade assembly opening.
Description
Technical Field
The invention relates to the field of slotting blades, in particular to a slotting blade special for a planing and slotting machine tool and a processing method.
Background
In the medium-pressure rotor structure of the steam turbine, the locking port of the inverted trapezoidal wheel groove parallelogram movable blade is an assembly part with the blade, and the assembly ports of the blades of each stage of wheel grooves are completed on a planing and slotting machine tool by using a slotting cutter. Therefore, the manufacturing precision of the slotting blade is a precondition for ensuring the smooth assembly of the blade, the original slotting blade has low processing efficiency when processing products, and the precision of the processed products is not high.
In conclusion, the existing insert cutting blade has the problems of low machining efficiency and low precision of machined products when machining the blade assembling opening.
Disclosure of Invention
The invention provides a slotting blade special for a planing and slotting machine tool and a machining method thereof, aiming at solving the problems of low machining efficiency and low precision of machined products when the existing slotting blade is used for machining blade assembling openings.
The technical scheme of the invention is as follows:
a slotting blade special for a planing and slotting machine tool comprises a cutting unit and a cuboid unit;
the left end of the top end face of the cuboid unit is fixedly connected with the bottom end face of the cutting unit, the cutting unit is integrated with the bottom end face of the cutting unit, the cutting unit inclines towards the upper left side by taking the top end face of the cuboid unit as a reference, the angle between the right end face of the cutting unit and the vertical direction of the cuboid unit is t1, t1 is 25-35 degrees, the angle between the front angle of the cutting unit is t2, t2 is 8 degrees, the angle between the rear angle of the cutting unit is t3, t3 is 5 degrees, the front end face of the cutting unit is V-shaped, the angles between the end faces on two sides of the V-shaped face and the horizontal direction of the front end face of the cuboid unit are t4, t4 is 8 degrees, a plurality of continuous concave-convex steps are machined on the right end face of the cuboid unit, and the continuous concave-convex steps are matched with the concave-convex structure of the cutter body.
A processing method of a slotting cutter blade special for a planing and slotting machine tool comprises the following steps:
step one, cutting the A1 face of slotting blade blank, the preceding terminal surface of cutting the slotting blade blank is A1 face, the rear end face of cutting the slotting blade blank is A2 face, the left end face of cutting the slotting blade blank is B1, the right end face of cutting the slotting blade blank is B2, the up end of cutting the slotting blade blank is C1 face, the lower terminal surface of cutting the slotting blade blank is C2 face, and A1 face and A2 face correspond to each other, B1 face and B2 face correspond to each other and C1 face and C2 face correspond to each other:
placing the A2 face of the slotting blade blank on a cutting machine downwards, and cutting the A1 face of the slotting blade blank according to the designed shape by using a linear cutting machine, wherein the total width of the slotting blade after cutting is W, the total height of the slotting blade after cutting is H, the height of a cutting unit is H1, the width of the cutting unit is W1, and the width of a cuboid unit 2 is W2;
step two, cutting the C1 surface of the slotting blade:
placing the C2 face of the slotting blade on a cutting machine downwards, and cutting the C1 face of the slotting blade according to the designed shape by using a linear cutting machine, wherein the total length of the slotting blade after cutting is L, the length of the cutting unit is L1, and the length of the cuboid unit is L2;
step three, cutting the B2 surface of the slotting blade:
after the C1 surface of the slotting blade is cut in the second step, the B1 surface of the slotting blade is placed on a cutting machine downwards, and a plurality of continuous concave-convex structures on the B2 surface of the cuboid unit are cut by a linear cutting machine according to the designed shape;
step four, cutting the B1 surface of the slotting blade:
placing the B2 face of the slotting blade downwards on a cutting machine, and cutting the front angle of the cutting unit by using a linear cutting machine by using the linear cutting machine according to the designed shape at an angle of 8 degrees;
step five, grinding the A1 surface of the slotting blade:
clamping a cuboid unit on a machine tool platform of a tool grinding machine by using a jaw of a turntable on the machine tool platform, rotating a chuck to form an included angle of 30 degrees with the axial direction, then lifting the left side of the turntable to form an included angle of 8 degrees between the turntable and the machine tool, enabling an A1 surface of a slotting blade to be vertical to a grinding wheel shaft, finishing a grinding wheel into V-shaped angles of 8 degrees on two sides, grinding an A1 surface of the slotting blade by using the grinding wheel, grinding an A1 surface into V-shaped, and enabling the end surfaces on two sides of the V-shaped surface to be 8 degrees with the horizontal direction of the cuboid unit;
step six, grinding the clearance angle, the side angle and the side clearance angle of the slotting blade:
and fifthly, grinding the A1 surface of the slotting cutter blade, grinding the back angle of the cutting unit by using a cutter grinder, wherein the back angle is 5 degrees, grinding the side angle of the cutting unit, the side angle is 1 degree, grinding the side back angle of the cutting unit, and the side back angle is 2 degrees, and finishing the machining.
Compared with the prior art, the invention has the following effects:
according to the slotting blade special for the planing machine tool and the machining method, the slotting blade is used for machining the assembling ports of the wheel groove blades of all levels on the planing machine tool through the special design of the cutting unit and the cuboid unit, smooth assembly of the blades and the locking ports of the inverted trapezoidal wheel groove parallelogram movable blades is guaranteed, the manufacturing precision of the slotting blade is high, and further the machining efficiency of the slotting blade during machining products is high.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a cross-sectional view F-F of FIG. 1;
FIG. 5 is a schematic view of a slotting cutter insert blank of the present invention;
fig. 6 is a schematic view of the present invention slotting cutter insert mounted on a cutter body.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 6, and the slotting blade for a planning and slotting machine tool of the present embodiment includes a cutting unit 1 and a rectangular unit 2;
the left end of the top end face of the cuboid unit 2 is fixedly connected with the bottom end face of the cutting unit 1, the cutting unit 1 is integrally inclined towards the left upper side by taking the top end face of the cuboid unit 2 as a reference, the angle between the right end face of the cutting unit 1 and the vertical direction of the cuboid unit 2 is t1, t1 is 25-35 degrees, the angle between the front angle of the cutting unit 1 is t2, t2 is 8 degrees, the angle between the rear angle of the cutting unit 1 is t3, t3 is 5 degrees, the front end face of the cutting unit 1 is V-shaped, the angles between the two side end faces of the V-shaped face and the horizontal direction of the front end face of the cuboid unit 2 are t4, t4 is 8 degrees, a plurality of continuous concave-convex steps are machined on the right end face of the cuboid unit 2, and the continuous concave-convex steps are matched with the concave-convex structure of the cutter body 3.
The second embodiment is as follows: referring to fig. 1, the present embodiment will be described, in which both side angles of the left and right end surfaces of the cutting unit 1 of the present embodiment are t5, and t5 is 1 °.
The rest is the same as the first embodiment.
The third concrete implementation mode: referring to fig. 4, the present embodiment will be described, in which the side back angles on both sides of the top end surface of the cutting unit 1 are t6, and t6 is 2 °.
The others are the same as in the first or second embodiment.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 6, and the method for machining the slotting blade for the planning and slotting machine tool of the present embodiment includes the following steps:
step one, cutting the A1 face of slotting blade blank, the preceding terminal surface of cutting the slotting blade blank is A1 face, the rear end face of cutting the slotting blade blank is A2 face, the left end face of cutting the slotting blade blank is B1, the right end face of cutting the slotting blade blank is B2, the up end of cutting the slotting blade blank is C1 face, the lower terminal surface of cutting the slotting blade blank is C2 face, and A1 face and A2 face correspond to each other, B1 face and B2 face correspond to each other and C1 face and C2 face correspond to each other:
placing the A2 face of the slotting blade blank on a cutting machine downwards, and cutting the A1 face of the slotting blade blank according to the designed shape by using a linear cutting machine, wherein the total width of the slotting blade after cutting is W, the total height of the slotting blade after cutting is H, the height of the cutting unit 1 is H1, the width of the cutting unit 1 is W1, and the width of the cuboid unit 2 is W2;
step two, cutting the C1 surface of the slotting blade:
placing the C2 face of the slotting blade on a cutting machine downwards, and cutting the C1 face of the slotting blade according to the designed shape by using a linear cutting machine, wherein the total length of the slotting blade after cutting is L, the length of the cutting unit 1 is L1, and the length of the cuboid unit 2 is L2;
step three, cutting the B2 surface of the slotting blade:
after the C1 surface of the slotting blade is cut in the second step, the B1 surface of the slotting blade is placed on a cutting machine downwards, and a plurality of continuous concave-convex structures on the B2 surface of the cuboid unit 2 are cut by a linear cutting machine according to the designed shape;
step four, cutting the B1 surface of the slotting blade:
placing the B2 face of the slotting blade downwards on a cutting machine, and cutting the front angle of the cutting unit 1 by using a linear cutting machine according to the designed shape by using the linear cutting machine at an angle of 8 degrees;
step five, grinding the A1 surface of the slotting blade:
clamping the cuboid unit 2 on a machine tool platform of a tool grinding machine by using a jaw of a turntable on the machine tool platform, rotating a chuck to form an included angle of 30 degrees with the axial direction, then lifting the left side of the turntable to form an included angle of 8 degrees between the turntable and the machine tool, enabling an A1 surface of the slotting blade to be vertical to a grinding wheel shaft, finishing the grinding wheel into V-shaped angles of 8 degrees on two sides, grinding an A1 surface of the slotting blade by using the grinding wheel, grinding an A1 surface into V-shaped, and enabling the end surfaces on two sides of the V-shaped surface to be 8 degrees with the angle of the cuboid unit 2 in the horizontal direction;
step six, grinding the clearance angle, the side angle and the side clearance angle of the slotting blade:
and fifthly, grinding the A1 surface of the slotting cutter blade, grinding the back angle of the cutting unit 1 by using a cutter grinder, wherein the back angle is 5 degrees, grinding the side angle of the cutting unit 1, the side angle is 1 degree, grinding the side back angle of the cutting unit 1, the side back angle is 2 degrees, and finishing the machining.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 5, where in step one of the present embodiment, the total width of the cutting insert is W, W is 21mm, the total height of the cutting insert is H, H is 29.5mm, the height of the cutting unit 1 is H1, H1 is 15mm, the width of the cutting unit 1 is W1, W1 is 5mm, and the width of the rectangular parallelepiped unit 2 is W2 is 13 mm.
The rest is the same as the fourth embodiment.
The sixth specific implementation mode: in the first step of the present embodiment, the rectangular parallelepiped unit 2 has a width W2, the B1 plane of the rectangular parallelepiped unit 2 is cut by a wire-cut electrical discharge machining tool, the rectangular parallelepiped unit 2 has a width W2, and the rectangular parallelepiped unit 2 has a width W3, where W3 is 12mm, as described with reference to fig. 1 to 5.
The others are the same as the fourth or fifth embodiments.
The seventh embodiment: the present embodiment will be described with reference to fig. 1 to 5, where the total length of the cutting insert in step two of the present embodiment is L, L is 27mm, the length of the cutting unit 1 is L1-27 mm, and the length of the rectangular parallelepiped unit 2 is L2, and L2 is 21 mm. The others are the same as the fourth, fifth or sixth embodiment.
The present invention has been described in terms of the preferred embodiments, but it is not limited thereto, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the technical scope of the present invention.
Claims (7)
1. The utility model provides a dig special slotting blade of slotting machine tool which characterized in that: the cutting machine comprises a cutting unit (1) and a cuboid unit (2);
the left end of the top end face of the cuboid unit (2) is fixedly connected with the bottom end face of the cutting unit (1) and is an integral piece, the cutting unit (1) is inclined towards the left upper side by taking the top end face of the cuboid unit (2) as a reference, the angle between the right end face of the cutting unit (1) and the cuboid unit (2) in the vertical direction is t1, t1 is 25-35 degrees, the angle between the front angle of the cutting unit (1) is t2, t2 is 8 degrees, the angle between the rear angle of the cutting unit (1) is t3, t3 is 5 degrees, the front end face of the cutting unit (1) is V-shaped, the angles between the end faces on the two sides of the V-shaped face and the horizontal direction of the front end face of the cuboid unit (2) are t4, t4 is 8 degrees, a plurality of continuous concave-convex steps are machined on the right end face of the cuboid unit (2), and the continuous concave-convex steps are matched with the concave-convex structure of the cutter body (3).
2. The slotting blade special for the planing machine according to claim 1, which is characterized in that: both side angles of the left and right end surfaces of the cutting unit (1) are t5, and t5 is 1 degree.
3. The slotting blade special for the planing machine according to claim 1, which is characterized in that: the side back angles of both sides of the top end surface of the cutting unit (1) are t6, and t6 is 2 degrees.
4. A processing method of a slotting cutter blade special for a planing and slotting machine tool is characterized by comprising the following steps: it comprises the following steps:
step one, cutting the A1 face of slotting blade blank, the preceding terminal surface of cutting the slotting blade blank is A1 face, the rear end face of cutting the slotting blade blank is A2 face, the left end face of cutting the slotting blade blank is B1, the right end face of cutting the slotting blade blank is B2, the up end of cutting the slotting blade blank is C1 face, the lower terminal surface of cutting the slotting blade blank is C2 face, and A1 face and A2 face correspond to each other, B1 face and B2 face correspond to each other and C1 face and C2 face correspond to each other:
placing the A2 face of the slotting blade blank on a cutting machine downwards, and cutting the A1 face of the slotting blade blank according to the designed shape by using a linear cutting machine, wherein the total width of the slotting blade after cutting is W, the total height of the slotting blade after cutting is H, the height of the cutting unit (1) is H1, the width of the cutting unit (1) is W1, and the width of the cuboid unit (2) is W2;
step two, cutting the C1 surface of the slotting blade:
placing the C2 face of the slotting blade on a cutting machine downwards, and cutting the C1 face of the slotting blade according to the designed shape by using a linear cutting machine, wherein the total length of the slotting blade after cutting is L, the length of the cutting unit (1) is L1, and the length of the cuboid unit (2) is L2;
step three, cutting the B2 surface of the slotting blade:
after the C1 surface of the slotting blade is cut in the second step, the B1 surface of the slotting blade is placed on a cutting machine downwards, and a plurality of continuous concave-convex structures on the B2 surface of the cuboid unit (2) are cut by a linear cutting machine according to the designed shape;
step four, cutting the B1 surface of the slotting blade:
placing the B2 face of the slotting blade downwards on a cutting machine, and cutting the front angle of the cutting unit (1) by using a linear cutting machine according to the designed shape by using the linear cutting machine at an angle of 8 degrees;
step five, grinding the A1 surface of the slotting blade:
clamping a cuboid unit (2) on a machine tool platform of a tool grinding machine by using a jaw of a turntable on the machine tool platform, rotating a chuck to form an included angle of 30 degrees with the axial direction, then lifting the left side of the turntable to form an included angle of 8 degrees with the machine tool, enabling an A1 surface of a slotting blade to be vertical to a grinding wheel shaft, finishing the grinding wheel into V-shaped angles of 8 degrees on two sides, grinding an A1 surface of the slotting blade by using the grinding wheel, grinding an A1 surface into a V shape, and enabling the end surfaces on two sides of the V-shaped surface to be 8 degrees with the horizontal direction of the cuboid unit (2);
step six, grinding the clearance angle, the side angle and the side clearance angle of the slotting blade:
and fifthly, grinding the A1 surface of the slotting cutter blade, grinding the back angle of the cutting unit (1) by using a cutter grinder, wherein the back angle is 5 degrees, grinding the side angle of the cutting unit (1), the side angle is 1 degree, grinding the side back angle of the cutting unit (1), and the side back angle is 2 degrees, and finishing machining.
5. The method for machining the slotting blade special for the planing machine tool according to claim 4, wherein the slotting tool comprises: in the first step, the total width of the cutting insert is W, W is 21mm, the total height of the cutting insert is H, H is 29.5mm, the height of the cutting unit (1) is H1, H1 is 15mm, the width of the cutting unit (1) is W1, W1 is 5mm, and the width of the rectangular parallelepiped unit (2) is W2 is 13 mm.
6. The method for machining the slotting blade special for the planing machine tool according to claim 4 or 5, wherein the slotting blade comprises the following steps: in the first step, the cuboid unit (2) is W2 in width, the B1 surface of the cuboid unit (2) is cut by a wire cutting machine, the cuboid unit (2) is W2 in width, the cuboid unit (2) is W3 in width, and W3 is 12 mm.
7. The method for machining the slotting blade special for the planing machine tool according to claim 4, wherein the slotting tool comprises: and in the second step, the total length of the cutting blade is L, L is 27mm, the length of the cutting unit (1) is L1 mm, L is 27mm, the length of the cuboid unit (2) is L2 mm, and L2 is 21 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110961780.6A CN113618135A (en) | 2021-08-20 | 2021-08-20 | Slotting blade special for planing and slotting machine tool and machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110961780.6A CN113618135A (en) | 2021-08-20 | 2021-08-20 | Slotting blade special for planing and slotting machine tool and machining method |
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| Publication Number | Publication Date |
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| CN113618135A true CN113618135A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110961780.6A Withdrawn CN113618135A (en) | 2021-08-20 | 2021-08-20 | Slotting blade special for planing and slotting machine tool and machining method |
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| CN (1) | CN113618135A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4575285A (en) * | 1984-11-19 | 1986-03-11 | The Gleason Works | Cutting tool and method of manufacture |
| US20030143047A1 (en) * | 2002-01-25 | 2003-07-31 | Katsuhiko Ishii | Cutting tool and cutting method using the cutting tool |
| CN105149673A (en) * | 2015-08-25 | 2015-12-16 | 苏州工业职业技术学院 | Manual slotting tool for lathe |
| CN206747679U (en) * | 2017-06-07 | 2017-12-15 | 哈尔滨汽轮机厂有限责任公司 | A special machine clip-type inserting knife for processing lock slots |
| CN207577451U (en) * | 2017-12-22 | 2018-07-06 | 哈尔滨汽轮机厂有限责任公司 | A machine clip-type turning tool for machining and assembling guide vane grooves |
| CN207914672U (en) * | 2018-03-14 | 2018-09-28 | 哈尔滨汽轮机厂有限责任公司 | A special machine clip slotting tool for machining rotor lock slots |
| CN112846342A (en) * | 2020-12-28 | 2021-05-28 | 大连橡胶塑料机械有限公司 | Combined high-strength slotting tool |
| CN213560164U (en) * | 2020-11-26 | 2021-06-29 | 齐齐哈尔和平重工集团有限公司 | Square hole R3 slotting tool |
-
2021
- 2021-08-20 CN CN202110961780.6A patent/CN113618135A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4575285A (en) * | 1984-11-19 | 1986-03-11 | The Gleason Works | Cutting tool and method of manufacture |
| US20030143047A1 (en) * | 2002-01-25 | 2003-07-31 | Katsuhiko Ishii | Cutting tool and cutting method using the cutting tool |
| CN105149673A (en) * | 2015-08-25 | 2015-12-16 | 苏州工业职业技术学院 | Manual slotting tool for lathe |
| CN206747679U (en) * | 2017-06-07 | 2017-12-15 | 哈尔滨汽轮机厂有限责任公司 | A special machine clip-type inserting knife for processing lock slots |
| CN207577451U (en) * | 2017-12-22 | 2018-07-06 | 哈尔滨汽轮机厂有限责任公司 | A machine clip-type turning tool for machining and assembling guide vane grooves |
| CN207914672U (en) * | 2018-03-14 | 2018-09-28 | 哈尔滨汽轮机厂有限责任公司 | A special machine clip slotting tool for machining rotor lock slots |
| CN213560164U (en) * | 2020-11-26 | 2021-06-29 | 齐齐哈尔和平重工集团有限公司 | Square hole R3 slotting tool |
| CN112846342A (en) * | 2020-12-28 | 2021-05-28 | 大连橡胶塑料机械有限公司 | Combined high-strength slotting tool |
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Application publication date: 20211109 |
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