CN219632628U - Adjustable boring cutter - Google Patents
Adjustable boring cutter Download PDFInfo
- Publication number
- CN219632628U CN219632628U CN202322036082.2U CN202322036082U CN219632628U CN 219632628 U CN219632628 U CN 219632628U CN 202322036082 U CN202322036082 U CN 202322036082U CN 219632628 U CN219632628 U CN 219632628U
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- cutting surface
- cutter
- cutting
- block
- tool
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- 238000005520 cutting process Methods 0.000 claims abstract description 137
- 230000013011 mating Effects 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000003754 machining Methods 0.000 description 9
- 239000002184 metal Substances 0.000 description 5
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model discloses an adjustable boring cutter, which relates to the technical field of boring cutter tools, and comprises a cutter bar, a swinging arm and a cutter block, wherein a connecting seat and a notch arranged on the connecting seat are arranged at one end of the cutter bar, one end of the swinging arm is rotatably arranged on the connecting seat, the cutter block is arranged in the notch, and the cutter block is fixed at the other end of the swinging arm; the cutter block comprises a first cutting surface, a second cutting surface and a third cutting surface, the third cutting surface is recessed inwards to form a V-shaped groove, and the V-shaped groove is provided with a first sub-cutting surface and a second sub-cutting surface; the first cutting face and the first sub-cutting face form a first cutting portion and the second cutting face and the second sub-cutting face form a second cutting portion. The adjustable boring cutter is characterized in that the cutter block with the first cutting part and the second cutting part is arranged, the swinging arm arranged on the cutter bar is matched with the rotation of the cutter block, and the boring cutter can meet various boring requirements of a workpiece by adjusting the position of the cutter block, so that the working efficiency of boring is improved.
Description
Technical Field
The utility model mainly relates to the technical field of boring cutter tools, in particular to an adjustable boring cutter.
Background
The boring tool is one of boring tools, and a single or a plurality of tool blocks extending outside the tool bar are arranged on the tool bar, so that boring operation is performed by extending the boring tool into a hole of a machined workpiece. The cutter block of the existing boring cutter is fixed on a cutter bar, generally only one boring requirement in a workpiece hole can be met, and for multi-aperture boring, boring such as chamfering and the like is required to be carried out in the hole by replacing the boring cutter, so that the working efficiency of boring is affected.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an adjustable boring cutter, which is provided with a cutter block with a first cutting part and a second cutting part, and a swinging arm arranged on a cutter bar is matched with the rotation of the cutter block, so that the boring cutter can meet various boring processing requirements of a workpiece by adjusting the position of the cutter block, and the working efficiency of boring processing is improved.
The utility model provides an adjustable boring cutter which comprises a cutter bar, a swinging arm and a cutter block, wherein a connecting seat and a notch arranged on the connecting seat are arranged at one end of the cutter bar, one end of the swinging arm is rotatably arranged on the connecting seat, the cutter block is arranged in the notch, and the cutter block is fixed at the other end of the swinging arm;
the cutter block comprises a first cutting surface, a second cutting surface and a third cutting surface, wherein the first cutting surface and the second cutting surface are relatively distributed, the third cutting surface is arranged between the first cutting surface and the second cutting surface, the third cutting surface is recessed inwards to form a V-shaped groove, and the V-shaped groove is provided with a first sub cutting surface and a second sub cutting surface;
the first cutting surface and the first sub-cutting surface form a first cutting part, and the first cutting part comprises a first tool nose formed at the intersection position of the first sub-cutting surface and the first cutting surface;
the second cutting surface and the second sub-cutting surface form a second cutting portion, and the second cutting portion comprises a second tool tip formed at an intersection position of the second sub-cutting surface and the second cutting surface.
Further, the angle of the V-shaped groove is alpha, and the value range of the alpha is as follows: alpha is more than or equal to 130 degrees and less than or equal to 165 degrees.
Further, the included angle between the first cutting surface and the first sub-cutting surface is beta, and the value range of beta is as follows: beta is more than or equal to 45 degrees and less than or equal to 60 degrees;
the included angle between the second cutting surface and the second sub-cutting surface is theta, and the value range of theta is as follows: θ is more than or equal to 45 degrees and less than or equal to 60 degrees.
Further, a plurality of mounting holes are formed in the notch, and the cutter block is connected in one of the mounting holes in a matching mode.
Further, a connecting screw is arranged on the swing arm, a matching through hole is arranged on the cutter block, the connecting screw extends into the mounting hole through the matching through hole, and the connecting screw is in threaded matching with the mounting hole.
Further, a gap is formed between the cutter block and the notch, a cushion block is arranged in the gap, and the cushion block is in clamping fit with the connecting screw rod.
Further, an internal thread is arranged in the matching through hole, and the connecting screw rod is in threaded connection in the matching through hole.
Further, the cutter bar is a hard alloy cutter bar, or the cutter bar is a vibration reduction cutter bar.
Further, the connecting seat is provided with a rotating fit hole, one end of the swinging arm is provided with a rotating shaft, and the swinging arm is in the rotating fit hole in a rotating fit mode based on the rotating shaft.
Further, the inner wall of the rotating fit hole is coated with lubricating oil.
The utility model provides an adjustable boring cutter, which is characterized in that a cutter block with a first cutting part and a second cutting part is arranged, a swinging arm arranged on a cutter bar is matched with rotation, and the position of the cutter block on the cutter bar is adjusted through the swinging arm, so that the pose states of the first cutting part and the second cutting part are adjusted, the boring cutter can meet various boring processing requirements of a workpiece, the convenience of boring cutter replacement is improved, and the working efficiency of boring processing is improved.
Drawings
FIG. 1 is a top view of an adjustable boring tool configuration in accordance with an embodiment of the utility model;
FIG. 2 is a schematic view of an adjustable boring tool according to an embodiment of the utility model;
FIG. 3 is a schematic view of a cutter bar structure according to an embodiment of the present utility model;
fig. 4 is a schematic view of a knife block structure in an embodiment of the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Fig. 1 shows a top view of an adjustable boring cutter structure according to an embodiment of the present utility model, fig. 2 shows a schematic view of an adjustable boring cutter structure according to an embodiment of the present utility model, fig. 3 shows a schematic view of a cutter bar structure according to an embodiment of the present utility model, and fig. 4 shows a schematic view of a cutter block structure according to an embodiment of the present utility model, the adjustable boring cutter includes a cutter bar 1, a swinging arm 3 and a cutter block 2, a connecting seat 11 is provided at one end of the cutter bar 1, a notch 12 is provided on the connecting seat 11, one end of the swinging arm 3 is rotatably provided on the connecting seat 11, the cutter block 2 is provided in the notch 12, and the cutter block 2 is fixed on the other end of the swinging arm 3, and when the swinging arm 3 rotates, the cutter block 2 can be driven to move in the notch 12, thereby adjusting the pose of the cutter block 2.
Further, the blade block 2 may be fixed to the swing arm 3 based on bolts so that the blade block 2 may move with the swing arm 3.
The cutter block 2 comprises a first cutting surface 21 and a second cutting surface 22 which are distributed oppositely, and a third cutting surface 23 arranged between the first cutting surface 21 and the second cutting surface 22, wherein the third cutting surface 23 is inwards recessed to form a V-shaped groove, the V-shaped groove is provided with a first sub cutting surface 231 and a second sub cutting surface 232, the first cutting surface 21 and the first sub cutting surface 231 form a first cutting part, and the first cutting part comprises a first cutter point formed at the intersection position of the first sub cutting surface 231 and the first cutting surface 21;
the second cutting face 22 and the second minor cutting face 232 form a second cutting portion including a second nose formed at the intersection of the second minor cutting face 232 and the second cutting face 22.
Further, the first and second cutting portions extend outside the notch 12, and the first and second cutting portions may be used to cut a workpiece.
Specifically, the connecting seat 11 of the cutter bar 1 is provided with a rotation matching hole 111, one end of the swinging arm 3 is provided with a rotation shaft 31, the rotation shaft 31 is inserted into the rotation matching hole 111, and the swinging arm 3 can perform deflection movement on the connecting seat 11 based on the rotation shaft 31, so that the cutter block 2 is driven to rotate around the rotation shaft 31 of the swinging arm 3, and the cutter block 2 moves in the notch 12.
Further, the inner wall of the rotation matching hole 111 is coated with lubricating grease, the circumferential outer wall of the rotation shaft 31 of the swinging arm 3 is attached to the inner wall of the rotation matching hole 111, and the lubricating grease can reduce friction between the rotation shaft 31 and the rotation matching hole 111, so that the smoothness of deflection and swinging of the swinging arm 3 on the connecting seat 11 is improved.
Specifically, the notch 12 is disposed at the top end of the cutter bar 1, a plurality of mounting holes are disposed in the notch 12, please refer to fig. 3, in this embodiment, a first mounting hole 121, a second mounting hole 122 and a third mounting hole 123 are disposed on the notch 12, the first mounting hole 121, the second mounting hole 122 and the third mounting hole 123 are sequentially arranged on the notch 12, and the first mounting hole 121, the second mounting hole 122 and the third mounting hole 123 form an inclined arrangement structure from the left bottom to the right top, a mating through hole 24 is disposed on the cutter block 2, a connecting screw is disposed on the swinging arm 3, one end of the connecting screw extends below the cutter block 2 through the mating through hole 24 on the cutter block 2, and is inserted into one of the mounting holes 121, the second mounting hole 122 and the third mounting hole 123, that is, the cutter block 2 is fixed on one of the mounting holes 121, the second mounting hole 122 and the third mounting hole 123 based on the screw.
Further, an internal thread is arranged in the mounting hole, the screw is inserted into the mounting hole, and the cutter block 2 can be fixed on one of the mounting holes through threaded fit.
Further, a gap is formed between the blade block 2 and the bottom of the notch 12, when an operator adjusts the position of the blade block 2, the operator can rotate the connecting screw, so that the connecting screw contracts in the matching through hole 24 of the blade block 2, the blade block 2 and the swinging arm 3 can move conveniently in the notch 12, after the position of the blade block 2 is adjusted by rotating the swinging arm 3, the operator can rotate the connecting screw, the connecting screw extends into the mounting hole, and the blade block 2 is fixed by threaded connection.
Further, an internal thread is provided in the fitting through hole 24, and the fitting through hole 24 is screwed with the connecting screw based on the internal thread, so that the connection stability between the cutter block 2 and the swing arm 3 is improved.
Furthermore, a cushion block can be further arranged between the cutter block 2 and the notch 12, the cushion block is clamped on the connecting screw, and the cushion block is filled in a gap between the cutter block 2 and the notch 12, so that the connection stability between the cutter block 2 and the notch 12 can be improved.
Specifically, by rotating the swing arm 3, the cutter block 2 can be driven to move in the notch 12, so that the cutter block 2 moves to a position above a proper mounting hole, and the cutter block 2 is locked and fixed by a connecting screw rod of the swing arm 3, so that the pose state of the cutter block 2 on the cutter bar 1 is adjusted, and the boring cutter can meet the machining requirements of different workpiece parts.
Further, the cutter bar 1 may be a cemented carbide cutter bar 1, and when the machining depth of the boring cutter is four to seven times the length of the cutter bar 1, the cemented carbide cutter bar 1 may provide sufficient rigidity of the boring cutter, thereby reducing vibration of the cutter bar 1 and ensuring reliability of machining of the boring cutter.
Further, the cutter bar 1 may be a vibration reduction cutter bar 1, and when the machining working depth of the boring cutter reaches seven times to ten times of the length of the cutter bar 1, the vibration reduction cutter bar 1 may reduce the vibration of the cutter bar 1, so as to reduce the influence of the vibration of the cutter bar 1 on the machining quality of the workpiece boring.
Specifically, referring to fig. 4, a V-shaped groove is formed on the third cutting surface 23 of the cutter block 2, the angle of the V-shaped groove is α, and the range of values of α is: 130 degrees is less than or equal to alpha is less than or equal to 165 degrees, alpha is the included angle between the first sub-cutting surface 231 and the second sub-cutting surface 232, and the V-shaped groove is used for dividing the cutter block 2, so that the cutter block 2 is provided with a first cutting part and a second cutting part, when the angle of alpha is too small, the distance between the first cutting part and the second cutting part is reduced, when the boring cutter performs cutting machining, the first cutting part and the second cutting part are easy to interfere with each other in the machining process, scratches and other damages are caused on a machined workpiece, the machining quality of the workpiece is affected, when the angle of alpha is too large, the overall rigidity of the cutter block 2 is affected, and the shearing force applied to the cutter block 2 in the cutting process is easy to damage the cutter. Therefore, through multiple times of debugging, the minimum value of alpha is 130 degrees, and the maximum value of alpha is 165 degrees, so that the cutter block 2 can meet the metal processing requirement, meanwhile, the integral rigidity of the cutter is ensured, and the risk of damage to the cutter is reduced.
Specifically, the included angle between the first cutting surface 21 and the first minor cutting surface 231 is β, and the range of values of β is: beta is larger than or equal to 45 degrees and smaller than or equal to 60 degrees, the included angle between the second cutting surface 22 and the second sub-cutting surface 232 is theta, and the value range of theta is as follows: 45 degrees is less than or equal to theta is less than or equal to 60 degrees, when the boring cutter executes processing tasks, the first cutting part and the second cutting part can be used for carrying out rough boring and fine boring on the inner wall of a hole, chamfering processing in the hole and the like, the included angle of the first cutter point position of the first cutting part and the included angle of the second cutter point of the second cutting part are set to be acute angles, convenience of the first cutting part and the second cutting part in metal cutting can be improved, and through repeated debugging, beta and theta have good cutting capacity in 45 degrees, meanwhile, the rigidity of the first cutting part and the second cutting part meets metal processing requirements, and beta and theta have good rigidity in 60 degrees, and meanwhile, the first cutting part and the second cutting part can meet the requirements of metal cutting processing.
Further, the angles beta and theta are preferably 45 degrees and 60 degrees, so that the first cutting part and the second cutting part can meet the chamfering processing requirement commonly used in the metal through hole.
Specifically, in this embodiment, the cutter block 2 may move along with the swing arm 3 on the first mounting hole 121, the second mounting hole 122 and the third mounting hole 123 in the notch 12, when the cutter block 2 is fixed in the first mounting hole 121 of the notch 12, the first cutting portion of the cutter block 2 is a cutting portion of the boring cutter, when the cutter block 2 is fixed in the third mounting hole 123 of the notch 12, the second cutting portion of the cutter block 2 is a cutting portion of the boring cutter, and when the cutter block 2 is fixed in the second mounting hole 122 of the notch 12, the first cutting portion and the second cutting portion of the cutter block 2 are staggered and extend outside the notch 12, so that the cutter block 2 may meet the machining requirement of stepped boring of a workpiece based on the first cutting portion and the second cutting portion.
The embodiment of the utility model provides an adjustable boring cutter, which is characterized in that a cutter block 2 with a first cutting part and a second cutting part is arranged, a swinging arm 3 arranged on a cutter bar 1 is matched with rotation, and the position of the cutter block 2 on the cutter bar 1 is adjusted through the swinging arm 3, so that the pose states of the first cutting part and the second cutting part are adjusted, the boring cutter can meet various boring processing requirements of a workpiece, the convenience of boring cutter replacement is improved, and the working efficiency of boring processing is improved.
In addition, the foregoing describes in detail an adjustable boring tool provided in the embodiments of the present utility model, and specific examples should be adopted herein to illustrate the principles and embodiments of the present utility model, where the foregoing examples are only for aiding in understanding the method and core concept of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Claims (10)
1. The adjustable boring cutter is characterized by comprising a cutter bar, a swinging arm and a cutter block, wherein a connecting seat and a notch arranged on the connecting seat are arranged at one end of the cutter bar, one end of the swinging arm is rotatably arranged on the connecting seat, the cutter block is arranged in the notch, and the cutter block is fixed at the other end of the swinging arm;
the cutter block comprises a first cutting surface, a second cutting surface and a third cutting surface, wherein the first cutting surface and the second cutting surface are relatively distributed, the third cutting surface is arranged between the first cutting surface and the second cutting surface, the third cutting surface is recessed inwards to form a V-shaped groove, and the V-shaped groove is provided with a first sub cutting surface and a second sub cutting surface;
the first cutting surface and the first sub-cutting surface form a first cutting part, and the first cutting part comprises a first tool nose formed at the intersection position of the first sub-cutting surface and the first cutting surface;
the second cutting surface and the second sub-cutting surface form a second cutting portion, and the second cutting portion comprises a second tool tip formed at an intersection position of the second sub-cutting surface and the second cutting surface.
2. The adjustable boring tool of claim 1, wherein the angle of the V-shaped groove is α, and the range of values of α is: alpha is more than or equal to 130 degrees and less than or equal to 165 degrees.
3. The adjustable boring tool of claim 1, wherein an included angle between the first cutting surface and the first minor cutting surface is β, and the β has a value in a range of: beta is more than or equal to 45 degrees and less than or equal to 60 degrees;
the included angle between the second cutting surface and the second sub-cutting surface is theta, and the value range of theta is as follows: θ is more than or equal to 45 degrees and less than or equal to 60 degrees.
4. The adjustable boring tool of claim 1, wherein a plurality of mounting holes are provided in the notch, and the tool block is cooperatively coupled in one of the mounting holes.
5. The adjustable boring tool of claim 4, wherein a connecting screw is provided on the swing arm, a mating through hole is provided on the tool block, the connecting screw extends into the mounting hole through the mating through hole, and the connecting screw is in threaded engagement with the mounting hole.
6. The adjustable boring tool of claim 5, wherein a gap is formed between the tool block and the notch, a spacer block is disposed in the gap, and the spacer block is in snap fit with the connecting screw.
7. The adjustable boring tool of claim 5, wherein the mating through hole has internal threads disposed therein, and the connecting screw is threadably coupled within the mating through hole.
8. The adjustable boring tool of claim 1, wherein the tool bar is a cemented carbide tool bar or the tool bar is a vibration dampening tool bar.
9. The adjustable boring tool of claim 1, wherein the connecting base is provided with a rotation fit hole, one end of the swing arm is provided with a rotation shaft, and the swing arm is rotatably fitted in the rotation fit hole based on the rotation shaft.
10. The adjustable boring tool of claim 9, wherein the inner wall of the rotating engagement hole is coated with a lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322036082.2U CN219632628U (en) | 2023-08-01 | 2023-08-01 | Adjustable boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322036082.2U CN219632628U (en) | 2023-08-01 | 2023-08-01 | Adjustable boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219632628U true CN219632628U (en) | 2023-09-05 |
Family
ID=87822453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322036082.2U Active CN219632628U (en) | 2023-08-01 | 2023-08-01 | Adjustable boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219632628U (en) |
-
2023
- 2023-08-01 CN CN202322036082.2U patent/CN219632628U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |