CN212371320U - Composite rotary file tool for machining inner hole wall - Google Patents
Composite rotary file tool for machining inner hole wall Download PDFInfo
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- CN212371320U CN212371320U CN202020951007.2U CN202020951007U CN212371320U CN 212371320 U CN212371320 U CN 212371320U CN 202020951007 U CN202020951007 U CN 202020951007U CN 212371320 U CN212371320 U CN 212371320U
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- 238000003754 machining Methods 0.000 title claims description 20
- 239000002131 composite material Substances 0.000 title claims description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 description 11
- 239000000956 alloy Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005498 polishing Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000011121 hardwood Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Abstract
The utility model discloses a compound rotary file cutter for processing inner hole wall, which comprises a cutter head and a cutter handle, wherein the cutter head comprises a first cylindrical cutter head, an inverted circular truncated cone-shaped cutter head, a right circular truncated cone-shaped cutter head and a second cylindrical cutter head which are sequentially connected from top to bottom; the side surfaces of the first cylindrical cutter head, the reverse circular truncated cone-shaped cutter head, the right circular truncated cone-shaped cutter head and the second cylindrical cutter head are provided with a plurality of rasps; the knife handle is positioned at the lower part of the knife head and is connected with the cylindrical knife head.
Description
Technical Field
The utility model relates to an alloy machining tool technical field especially relates to a compound rotatory file cutter for interior pore wall processing.
Background
A hard alloy rotary file cutter, commonly called a hard alloy polishing head, grinds a special spiral tooth on a hard alloy head blank for polishing weld marks, weld beads and burrs. The hard alloy rotary file, also called hard alloy high-speed assorted milling cutter, hard alloy die milling cutter, etc. is used in combination with high-speed electric grinder or pneumatic tool, and the hardness of the processed material can reach HRC 65. The hard alloy rotary file can finish various metal die cavities; cleaning flash, burr and welding line of casting, forging and welding parts; processing chamfers, inverted circles, grooves and key grooves of various mechanical parts; polishing the runner part of the impeller; cleaning the pipeline; finishing the surface of an inner hole of a machine part; various metal and non-metal art engraving, etc. The tool bit of the existing hard alloy rotary file tool is of a standard type and cannot meet the requirement of diversified processing. The hard alloy rotary file on the market is expensive in material, so that the production cost of the hard alloy rotary file is high.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a composite rotary file tool for machining an inner hole wall, which is directed to the above-mentioned technical problems of the conventional cemented carbide rotary file tool.
The technical scheme of the utility model is that:
a composite rotary file cutter for machining an inner hole wall comprises a cutter head and a cutter handle, wherein the cutter head comprises a first cylindrical cutter head, an inverted circular truncated cone-shaped cutter head, a right circular truncated cone-shaped cutter head and a second cylindrical cutter head which are sequentially connected from top to bottom; the side surfaces of the first cylindrical cutter head, the reverse circular truncated cone-shaped cutter head, the right circular truncated cone-shaped cutter head and the second cylindrical cutter head are provided with a plurality of rasps; the knife handle is positioned at the lower part of the knife head and is connected with the cylindrical knife head.
The first cylindrical tool bit is used for cleaning burrs and burrs of a workpiece; the surface of an inner hole of a workpiece is subjected to finish machining, and meanwhile, the first cylindrical tool bit is positioned at the top end of the tool bit and can be used for performing finish machining on the inner walls of structures such as a key groove and a kidney-shaped hole;
the reverse circular truncated cone-shaped tool bit and the right circular truncated cone-shaped tool bit have the functions of chamfering a workpiece, machining the surface of a special workpiece and the like;
the second cylindrical tool bit has the function of preventing the lower edge of the right circular table type tool bit from being damaged due to tangential force when a workpiece is machined, and the cutter is protected.
To sum up, the utility model can adapt to the processing requirements under different working condition scenes, avoid frequently changing cutters in processing, and improve the processing efficiency; the clamping error caused by frequent tool setting and clamping of the tool is avoided, and the size precision and the surface quality of the machined workpiece are guaranteed.
Preferably, the file is a single-tooth file; the file lines on the first cylindrical tool bit, the file lines on the inverted circular truncated cone-shaped tool bit, the file lines on the right circular truncated cone-shaped tool bit and the file lines on the second cylindrical tool bit are in the same direction.
The single-tooth-shaped grain is more suitable for processing operations of soft nonferrous metal, plastic, low-hardness high-tensile wood, hard wood and the like.
Preferably, the rasp has a cross-type rasp, and the cross-type rasp includes a first rasp and a second rasp, and the direction of the first rasp is opposite to that of the second rasp.
The crossed filing structure is more suitable for generating higher cutting performance on hard materials, such as workpieces made of hard materials such as cast iron, cast steel, glass fiber and the like, and is used for polishing; the crossed filing grain reticulate crossed structure has higher cutting efficiency and is more suitable for blank opening; meanwhile, the cross-shaped filing grains have better chip removal performance, and the smoothness of the cut surface is better; the crossed filing grains have small vibration in the processing process and are easier to control and operate.
Preferably, the diameter of the first cylindrical cutter head is equal to the diameter of the second cylindrical cutter head.
When using first cylinder tool bit to add man-hour to the hole lateral wall, can stretch into the hole and can not cause the destruction to the hole face because the size differs everywhere of tool bit with whole tool bit position.
Preferably, the handle of a knife includes the pole handle body, circular arc changeover portion and the cylinder linkage segment that connect gradually from bottom to top, the cylinder linkage segment with second cylinder type tool bit is connected.
The cutter has a complex structure shape, is easy to bend and deform or concentrate stress during heat treatment, avoids the phenomenon that the stress concentration is easy to occur at the joint of the cutter head and the cutter handle due to overlarge radial size change, and strengthens the structural strength at the joint of the cutter head and the cutter handle due to the transition effect of the connecting step of the cylindrical connecting section and the second cylindrical cutter head; the arc transition section further plays a role in transition between the cylindrical connecting section and the rod handle body, so that bending deformation or stress concentration during heat treatment of the cutter is prevented; meanwhile, the cylindrical connecting section and the arc transition section strengthen the structural strength of the cutter, and the hard and brittle cutter is prevented from being broken due to too large vibration and processing torque when a workpiece is processed.
The utility model has the advantages that:
1. the first cylindrical tool bit is used for cleaning burrs and burrs of a workpiece; the surface of an inner hole of a workpiece is subjected to finish machining, and meanwhile, the first cylindrical tool bit is positioned at the top end of the tool bit and can be used for performing finish machining on the inner walls of structures such as a key groove and a kidney-shaped hole;
the reverse circular truncated cone-shaped tool bit and the right circular truncated cone-shaped tool bit have the functions of chamfering a workpiece, machining the surface of a special workpiece and the like;
the second cylindrical tool bit has the function of preventing the lower edge of the right circular table type tool bit from being damaged due to tangential force when a workpiece is machined, and the cutter is protected.
To sum up, the utility model can adapt to the processing requirements under different working condition scenes, avoid frequently changing cutters in processing, and improve the processing efficiency; the clamping error caused by frequent tool setting and clamping of the tool is avoided, and the size precision and the surface quality of the machined workpiece are guaranteed.
2. The single-tooth-shaped grains are more suitable for processing operations of soft nonferrous metal, plastic, low-hardness high-tensile wood, hard wood and the like;
3. the crossed filing structure is more suitable for generating higher cutting performance on hard materials, such as workpieces made of hard materials such as cast iron, cast steel, glass fiber and the like, and is used for polishing; the crossed filing grain reticulate crossed structure has higher cutting efficiency and is more suitable for blank opening; meanwhile, the cross-shaped filing grains have better chip removal performance, and the smoothness of the cut surface is better; the crossed filing grains have small vibration in the processing process and are easier to control and operate;
4. when the first cylindrical cutter head is used for processing the side wall of the inner hole, the whole cutter head can extend into the inner hole, and the inner hole surface cannot be damaged due to different sizes of the cutter heads;
5. the cutter has a complex structure shape, is easy to bend and deform or concentrate stress during heat treatment, avoids the phenomenon that the stress concentration is easy to occur at the joint of the cutter head and the cutter handle due to overlarge radial size change, and strengthens the structural strength at the joint of the cutter head and the cutter handle due to the transition effect of the connecting step of the cylindrical connecting section and the second cylindrical cutter head; the arc transition section further plays a role in transition between the cylindrical connecting section and the rod handle body, so that bending deformation or stress concentration during heat treatment of the cutter is prevented; meanwhile, the cylindrical connecting section and the arc transition section strengthen the structural strength of the cutter, and the hard and brittle cutter is prevented from being broken due to too large vibration and processing torque when a workpiece is processed.
Drawings
FIG. 1 is a schematic structural view of a single-tooth-pattern file cutter according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a cross-shaped grain file cutter according to an embodiment of the present invention.
Description of reference numerals:
10. a cutter head; 101. a first cylindrical tool bit; 102. an inverted frustum-shaped tool bit; 103. a right circular truncated cone-shaped tool bit; 104. a second cylindrical tool bit; 105. filing grains; 20. a knife handle; 201. a shank body; 202. a circular arc transition section; 203. a cylindrical connecting section.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
as shown in fig. 1 and 2, a composite rotary file cutter for machining an inner hole wall comprises a cutter head 10 and a cutter handle 20, wherein the cutter head 10 comprises a first cylindrical cutter head 101, an inverted circular truncated cone-shaped cutter head 102, a right circular truncated cone-shaped cutter head 103 and a second cylindrical cutter head 104 which are sequentially connected from top to bottom; the side surfaces of the first cylindrical cutter head 101, the reverse circular truncated cone-shaped cutter head 102, the right circular truncated cone-shaped cutter head 103 and the second cylindrical cutter head 104 are provided with a plurality of rasps 105; the tool shank 20 is located at the lower part of the tool bit 10, and the tool shank 20 is connected with the cylindrical tool bit 10.
The first cylindrical tool bit 101 is used for cleaning burrs and burrs of a workpiece; the inner hole surface of a workpiece is subjected to finish machining, and meanwhile, the first cylindrical tool bit 101 is positioned at the top end of the tool bit 10 and can be used for performing finish machining on the inner walls of groove body structures such as key grooves and rectangular grooves;
the reverse circular truncated cone-shaped tool bit 102 and the right circular truncated cone-shaped tool bit 103 have the functions of chamfering a workpiece, machining the surface of a special workpiece and the like;
the second circular cutter head 104 has a function of protecting the cutter by preventing the lower edge of the right circular truncated cone type cutter head 103 from being damaged by a tangential force when a workpiece is machined.
To sum up, the utility model can adapt to the processing requirements under different working condition scenes, avoid frequently changing cutters in processing, and improve the processing efficiency; the clamping error caused by frequent tool setting and clamping of the tool is avoided, and the size precision and the surface quality of the machined workpiece are guaranteed.
In another embodiment:
as shown in fig. 1, the rasp 105 is a single-tooth rasp 105; the directions of the rasp 105 on the first cylindrical cutter head 101, the rasp 105 on the inverted frustum-shaped cutter head 102, the rasp 105 on the right frustum-shaped cutter head 103, the rasp 105 on the inverted frustum and the rasp 105 on the second cylindrical cutter head are the same.
The single-tooth-shaped grain is more suitable for processing operations of soft nonferrous metal, plastic, low-hardness high-tensile wood, hard wood and the like.
In another embodiment:
as shown in fig. 2, the rasp 105 is a cross-type rasp 105, and the cross-type rasp 105 includes a first rasp 105 and a second rasp 105, and the direction of the first rasp 105 is opposite to that of the second rasp 105.
The crossed filing grain 105 structure is more suitable for generating higher cutting performance on hard materials, such as workpieces made of hard materials such as cast iron, cast steel, glass fiber and the like, and is used for polishing; the cross-shaped cross structure of the rasp pattern 105 of the cross-shaped rasp pattern 105 has higher cutting efficiency of the cross-shaped single-tooth rasp pattern 105, and is more suitable for blank opening; meanwhile, the cross-shaped filing grains 105 have better chip removal performance, and the smoothness of the cut surface is better; the cross-shaped rasp 105 has less vibration during machining and is easier to control.
In another embodiment:
as shown in fig. 1 and 2, the diameter of the first cylindrical tool bit 101 is equal to the diameter of the second cylindrical tool bit 104.
When the first cylindrical cutter head 10 is used for machining the side wall of the inner hole, the whole cutter head 10 can stretch into the inner hole, and the inner hole surface cannot be damaged due to different sizes of all parts of the cutter head 10.
In another embodiment:
as shown in fig. 1 and 2, the embodiment 5 is further improved on the basis of the embodiment 4, and the connecting section, namely the cylindrical connecting section 203 is connected with the second cylindrical tool bit 104.
The cutter has a complex structure shape, is easy to generate bending deformation or stress concentration during heat treatment, avoids the phenomenon that the stress concentration is easy to generate at the joint of the cutter head 10 and the cutter handle 20 due to too large change of radial dimension, and strengthens the structural strength at the joint of the cutter head 10 and the cutter handle 20 due to the transition effect of the connecting step of the cylindrical connecting section 203 and the second cylindrical cutter head 104; the arc transition section 202 further plays a role in transition between the cylindrical connecting section 203 and the handle body 201, and prevents bending deformation or stress concentration during heat treatment of the cutter; meanwhile, the cylindrical connecting section 203 and the arc transition section 202 enhance the structural strength of the cutter, and prevent the hard and brittle cutter from being broken due to too large vibration and processing torque when a workpiece is processed.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. A composite rotary file cutter for machining an inner hole wall is characterized by comprising a cutter head and a cutter handle, wherein the cutter head comprises a first cylindrical cutter head, an inverted circular truncated cone-shaped cutter head, a right circular truncated cone-shaped cutter head and a second cylindrical cutter head which are sequentially connected from top to bottom; the side surfaces of the first cylindrical cutter head, the reverse circular truncated cone-shaped cutter head, the right circular truncated cone-shaped cutter head and the second cylindrical cutter head are provided with a plurality of rasps; the knife handle is positioned at the lower part of the knife head and is connected with the cylindrical knife head.
2. The compound rotary rasp tool for inner hole wall machining as claimed in claim 1, wherein the rasp is a single-tooth type rasp; the file lines on the first cylindrical tool bit, the file lines on the inverted circular truncated cone-shaped tool bit, the file lines on the right circular truncated cone-shaped tool bit and the file lines on the second cylindrical tool bit are in the same direction.
3. The compound rotary rasp tool for working the inner hole wall as claimed in claim 1, wherein the rasp is a cross-type rasp, the cross-type rasp comprising a first rasp and a second rasp, the first rasp being in a direction opposite to the second rasp.
4. The composite rotary file tool for boring a hole as set forth in claim 2 or 3, wherein the first cylindrical bit has a diameter equal to that of the second cylindrical bit.
5. The composite rotary file tool for machining the inner hole wall is characterized in that the tool shank comprises a shank body, an arc transition section and a cylindrical connecting section which are sequentially connected from bottom to top, and the cylindrical connecting section is connected with the second cylindrical tool bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020951007.2U CN212371320U (en) | 2020-05-29 | 2020-05-29 | Composite rotary file tool for machining inner hole wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020951007.2U CN212371320U (en) | 2020-05-29 | 2020-05-29 | Composite rotary file tool for machining inner hole wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212371320U true CN212371320U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020951007.2U Active CN212371320U (en) | 2020-05-29 | 2020-05-29 | Composite rotary file tool for machining inner hole wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212371320U (en) |
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2020
- 2020-05-29 CN CN202020951007.2U patent/CN212371320U/en active Active
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