CN220717952U - Sawing machine cutter bar assembly capable of adjusting saw blade spacing - Google Patents
Sawing machine cutter bar assembly capable of adjusting saw blade spacing Download PDFInfo
- Publication number
- CN220717952U CN220717952U CN202322407352.6U CN202322407352U CN220717952U CN 220717952 U CN220717952 U CN 220717952U CN 202322407352 U CN202322407352 U CN 202322407352U CN 220717952 U CN220717952 U CN 220717952U
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- Prior art keywords
- saw
- saw blade
- bar assembly
- blade
- positioning boss
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- 238000005266 casting Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- Sawing (AREA)
Abstract
The utility model relates to a sawing machine cutter bar assembly capable of adjusting the distance between saw blades, which comprises a cutter bar, a first saw blade and a second saw blade; the right end of the threaded part of the cutter bar is provided with an annular saw blade leaning table, the center of the end face of the saw blade leaning table, which faces the threaded part, is provided with a first positioning boss, a central hole of the first saw blade is fixedly sleeved on the first positioning boss, and the left side of the first saw blade is provided with a first locking screw sleeve which is in threaded connection with the threaded part; the left side of the first locking screw sleeve is sequentially provided with a locknut, a saw blade leaning sleeve and a second locking screw sleeve which are in threaded connection with the threaded part from right to left, the locknut and the saw blade leaning sleeve are propped together, the end face of the saw blade leaning sleeve, which faces the second locking screw sleeve, is provided with a second positioning boss, and a center hole of the second saw blade is fixedly sleeved on the second positioning boss. The utility model can conveniently and accurately adjust the interval width of the two saw blades on a processing site so as to saw the dead heads with different piston widths, ensure that the saw cutting width is within an error range and ensure the stability of the processing allowance.
Description
Technical Field
The utility model relates to the technical field of metal processing, in particular to a sawing machine cutter bar assembly capable of adjusting the distance between saw blades.
Background
As shown in fig. 1, the conventional saw cutting of the piston 01 casting heads 02, 03 with different widths D (60-100 mm) requires replacement of saw cutting with cutter bars of various lengths and washers with different widths, and has low efficiency and unstable saw cutting clamping.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a sawing machine cutter bar assembly capable of adjusting the distance between saw blades.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a sawing machine cutter bar assembly capable of adjusting the distance between saw blades comprises a cutter bar, a first saw blade and a second saw blade;
the right end of the cutter bar is provided with a mounting part for being mounted and fixed on the main shaft, and the left end of the cutter bar is provided with a thread part;
the right end of the threaded part is provided with an annular saw blade leaning table, the center of the end face of the saw blade leaning table, which faces the threaded part, is provided with a first positioning boss, a central hole of the first saw blade is fixedly sleeved on the first positioning boss, the left side of the first saw blade is provided with a first locking screw sleeve which is in threaded connection with the threaded part, and the first locking screw sleeve compresses the first saw blade to axially position the first saw blade;
the left side of first locking swivel nut is equipped with locknut, saw bit on screw thread portion in proper order from right to left and leans on cover and second locking swivel nut, locknut and saw bit lean on the cover to lean on together, and the saw bit leans on the cover to be equipped with the second location boss on the terminal surface of second locking swivel nut, and the centre bore of second saw bit is fixed to be cup jointed on the second location boss, the second locking swivel nut compresses tightly the second saw bit in order to carry out axial positioning with the second saw bit.
Further, the mounting portion is a flange plate.
Further, the central hole of the first saw blade is connected with the first positioning boss through a key.
Further, the center hole of the second saw blade is connected with the second positioning boss through a key.
Further, the locknut is a left-handed nut.
The technical scheme adopted by the utility model has the beneficial effects that: the gap width of the two saw blades can be conveniently and accurately adjusted on a processing site so as to saw casting heads with different piston widths, the saw cutting width is ensured to be within an error range, and the stability of machining allowance is ensured.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a top view of a piston with a casting head;
FIG. 2 is a schematic view of a saw bar assembly of the present utility model with adjustable blade spacing;
fig. 3 is a schematic view of the present utility model sawing machine tool bar assembly attached to a sawing machine spindle.
Detailed Description
As shown in fig. 2-3, the sawing machine cutter bar assembly capable of adjusting the distance between saw blades according to the utility model comprises a cutter bar 1, a first saw blade 2 and a second saw blade 3;
the right end of the cutter bar 1 is provided with a mounting part 11 for being mounted and fixed on the main shaft, wherein the mounting part 11 is a flange, the periphery of the flange is provided with a plurality of trapezoid mounting holes uniformly distributed along the circumferential direction, the center of the right end face of the flange is provided with a positioning column, and the positioning column is used for being matched and positioned with the center hole of the end part of the main shaft 8 of the sawing machine.
The left end of cutter arbor 1 has screw thread portion 12, and the right-hand member of screw thread portion 12 is equipped with annular saw bit by platform 13, and saw bit by platform 13 towards the terminal surface center of screw thread portion 12 is equipped with first location boss, and the centre bore of first saw bit 2 is fixed to be cup jointed on first location boss, and the left side of first saw bit 2 is equipped with the first locking swivel nut 4 of threaded connection on screw thread portion 12, and first locking swivel nut 4 compresses tightly first saw bit 2 in order to carry out axial positioning with first saw bit 2.
The left side of the first locking screw sleeve 4 is sequentially provided with a locknut 5, a saw blade leaning sleeve 6 and a second locking screw sleeve 7 which are in threaded connection with a threaded part 12 from right to left, the locknut 5 is a left-handed nut, the locknut 5 and the saw blade leaning sleeve 6 are propped together, the end face of the saw blade leaning sleeve 6, which faces the second locking screw sleeve 7, is provided with a second positioning boss, a central hole of the second saw blade 3 is fixedly sleeved on the second positioning boss, and the second locking screw sleeve 7 compresses the second saw blade 3 to axially position the second saw blade 3.
Wherein, in order to stably transmit the motion and the torque, the central hole of the first saw blade 2 is connected with the first positioning boss through a key. Meanwhile, the center hole of the second saw blade 3 is also connected with the second positioning boss through a key.
The working principle of the utility model is as follows: firstly, a cutter bar 1 is connected with a spigot of a main shaft 8 of a sawing machine and is locked with a bolt, then a first saw blade 2 is sleeved on the cutter bar 1 and aligned with a key, a first locking screw sleeve 4 is locked, then a locknut 5 and a saw blade leaning sleeve 6 of an M30 are screwed in, then a second saw blade 3 is sleeved in the saw blade leaning sleeve 6 (key alignment), at the moment, the distance between the two saw blades is measured and adjusted by a vernier caliper, and after the distance reaches the requirement, the locknut 5 and the saw blade leaning sleeve 6 are locked. Finally, the second locking screw sleeve 7 is screwed in and locked, and after the adjustment is finished, the casting heads of pistons with different widths (60-100 mm) can be sawed along with the rotation and the movement of the sawing machine main shaft 8.
While particular embodiments of the present utility model have been described above, it will be understood by those skilled in the art that this is by way of example only, and that various changes and modifications may be made to this embodiment without departing from the spirit and scope of the utility model, but these changes and modifications are within the scope of the utility model.
Claims (5)
1. Can adjust sawing machine cutter arbor subassembly of saw bit interval, its characterized in that: comprises a cutter bar, a first saw blade and a second saw blade;
the right end of the cutter bar is provided with a mounting part for being mounted and fixed on the main shaft, and the left end of the cutter bar is provided with a thread part;
the right end of the threaded part is provided with an annular saw blade leaning table, the center of the end face of the saw blade leaning table, which faces the threaded part, is provided with a first positioning boss, a central hole of the first saw blade is fixedly sleeved on the first positioning boss, the left side of the first saw blade is provided with a first locking screw sleeve which is in threaded connection with the threaded part, and the first locking screw sleeve compresses the first saw blade to axially position the first saw blade;
the left side of first locking swivel nut is equipped with locknut, saw bit on screw thread portion in proper order from right to left and leans on cover and second locking swivel nut, locknut and saw bit lean on the cover to lean on together, and the saw bit leans on the cover to be equipped with the second location boss on the terminal surface of second locking swivel nut, and the centre bore of second saw bit is fixed to be cup jointed on the second location boss, the second locking swivel nut compresses tightly the second saw bit in order to carry out axial positioning with the second saw bit.
2. The saw bar assembly of claim 1, wherein the saw bar assembly is adjustable in blade spacing: the mounting part is a flange plate.
3. The saw bar assembly of claim 1, wherein the saw bar assembly is adjustable in blade spacing: the center hole of the first saw blade is connected with the first positioning boss through a key.
4. The saw bar assembly of claim 1, wherein the saw bar assembly is adjustable in blade spacing: the center hole of the second saw blade is connected with the second positioning boss through a key.
5. The saw bar assembly of claim 1, wherein the saw bar assembly is adjustable in blade spacing: the locknut is a left-handed nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407352.6U CN220717952U (en) | 2023-09-05 | 2023-09-05 | Sawing machine cutter bar assembly capable of adjusting saw blade spacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407352.6U CN220717952U (en) | 2023-09-05 | 2023-09-05 | Sawing machine cutter bar assembly capable of adjusting saw blade spacing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220717952U true CN220717952U (en) | 2024-04-05 |
Family
ID=90490139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322407352.6U Active CN220717952U (en) | 2023-09-05 | 2023-09-05 | Sawing machine cutter bar assembly capable of adjusting saw blade spacing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220717952U (en) |
-
2023
- 2023-09-05 CN CN202322407352.6U patent/CN220717952U/en active Active
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