CN115846705A - Anti-vibration rod assisting in turning, turning equipment and turning method - Google Patents
Anti-vibration rod assisting in turning, turning equipment and turning method Download PDFInfo
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- CN115846705A CN115846705A CN202211517927.3A CN202211517927A CN115846705A CN 115846705 A CN115846705 A CN 115846705A CN 202211517927 A CN202211517927 A CN 202211517927A CN 115846705 A CN115846705 A CN 115846705A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 34
- 238000003825 pressing Methods 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 description 15
- 230000002265 prevention Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Abstract
The invention provides a vibration-proof rod for assisting turning, which is suitable for being connected with a turning tool and comprises: the device comprises a supporting assembly and a pressure head assembly, wherein the supporting assembly is suitable for being fixed on the turning tool in an up-and-down adjustable mode, the pressure head assembly is arranged on the supporting assembly and configured to form vibration-proof support with a tool bit of the turning tool in a cutting area of a workpiece, and therefore vibration amplitude of the workpiece in the cutting area is limited. The invention also provides a turning device and a turning method. By the scheme of the invention, the vibration of the large disc part during turning can be effectively prevented, so that the turning precision is improved.
Description
Technical Field
The invention relates to the technical field of metal cutting machining equipment, in particular to an anti-vibration rod assisting in turning, turning equipment and a turning method.
Background
The large-diameter high-precision disc parts are often key parts of products, for example, a brake disc is an important safety part of an automobile braking system, and the quality of the brake disc directly influences the braking performance of an automobile, so the quality of the large-diameter high-precision disc parts such as the brake disc must be strictly controlled. The surface roughness and the profile required precision of major diameter high accuracy dish class part are very high, but, high-speed turning in-process, the vibration that high hard cutter and major diameter high accuracy dish class part contact produced will cause the problem that the cutting is unstable, the quotation is beated, seriously influences the surface quality of major diameter high accuracy dish class part, aggravates the wearing and tearing of cutter simultaneously. Therefore, it is necessary to take measures to reduce vibrations in machining.
The existing tool vibration prevention technology, such as a movable column type numerical control engraving machine provided with a tool vibration prevention device provided by chinese patent CN205970534U, is specially designed for an engraving machine with a vibration prevention device, and controls machining vibration through wing plates and reinforcing ribs, but is not suitable for other machining conditions. For example, the vertical engraving machine with the tool anti-vibration device provided in chinese patent CN209756592U absorbs most of the vibration by arranging the elastic block and the clamping mechanism, is only suitable for the rotating body tool of the engraving machine, and has a relatively complicated structure. Also like the internal cooling stepped forming reamer for processing the alloy steel inner hole provided by the Chinese patent CN210010540U, the internal cooling stepped forming reamer meets the anti-vibration effect of the cutter through the unique front end guide design, is a scheme for directly improving the cutter body structure, and is not suitable for other cutter models. That is, some existing anti-vibration designs are generally only specific to a workpiece, and the applicability is not high.
Disclosure of Invention
The invention discloses an anti-vibration rod for assisting turning, which is simple in structure and convenient to operate and aims to solve the problem that the turning precision is influenced because a machined disk surface jumps when turning due to the fact that a cutter touches the disk surface when the existing turning equipment cuts on a large disk surface.
The invention adopts the following scheme:
the application provides an auxiliary lathe work's antivibration pole, it is suitable for being connected with the turning cutter, includes: the device comprises a supporting assembly and a pressure head assembly, wherein the supporting assembly is suitable for being fixed on the turning tool in an up-and-down adjustable mode, the pressure head assembly is arranged on the supporting assembly and configured to form an anti-vibration support together with a tool bit of the turning tool in a cutting area of a workpiece, and therefore vibration amplitude of the workpiece in the cutting area is limited.
Further, the ram assembly includes at least two rams; the bearing assembly comprises a cutter bearing piece, a first side bearing piece and a second side bearing piece, wherein the first side bearing piece and the second side bearing piece are arranged on two sides of the cutter bearing piece, and at least one pressure head is fixed on each of the first side bearing piece and the second side bearing piece.
Furthermore, the pressure head comprises a hollow screw rod, a pressing piece, a spring and a plug, wherein one end of the pressing piece is arranged in the hollow screw rod, and the other end of the pressing piece extends out of the hollow screw rod; and a spring and a plug are arranged above the pressing piece, and the plug is suitable for fixing the spring in the hollow screw rod.
Furthermore, the first side bearing piece and the second side bearing piece are provided with lateral side transverse through grooves, the two lateral sides of the cutter bearing piece are provided with threaded holes matched with the lateral side through grooves, and the first side bearing piece and the second side bearing piece are suitable for being fixed on the cutter bearing piece in a front-back adjustable manner.
Further, a vertical through groove is formed in the cutter bearing piece.
Furthermore, the first side supporting piece and the second side supporting piece are respectively provided with an installation hole suitable for installing the pressure head.
Further, the mounting hole is obliquely arranged.
The invention also provides a turning device, which comprises a frame and a turning tool arranged on the frame, and comprises the anti-vibration rod for assisting turning processing, wherein the anti-vibration rod is fixed on the turning tool and is configured to form an anti-vibration support with a tool bit of the turning tool in a cutting area of a workpiece so as to limit the vibration amplitude of the workpiece in the cutting area.
Furthermore, the anti-vibration rod is provided with at least two pressure heads, and the two pressure heads and the tool bit of the turning tool form triangular distribution together.
The invention also provides a cutting method using the turning equipment, which comprises the following steps:
s1, trial cutting is carried out, and the thickness value of the cut workpiece is determined;
s2, adjusting the pressure head to enable the pressure head to contact the workpiece, and fixing a clearance between the pressure head and the workpiece by using a feeler gauge to be less than or equal to 0.1MM;
s3: the cutting is initiated.
Has the beneficial effects that: when a large-disc workpiece is machined, the anti-vibration rod is arranged above the turning tool, and the anti-vibration rod is provided with at least two elastic pressure heads, so that the two pressure heads and the tool bit of the turning tool form a three-point plane in a cutting area where the tool bit is in contact with the workpiece, and the three-point plane forms stable support for the machining area of the workpiece, so that vibration generated by machining contact between a high-hardness tool and the large-diameter high-precision disc workpiece can be greatly weakened; and the pressure head is adjustable on the square vibration rod, so that the device is suitable for various precision requirements. Preferably, the distance between the end part of the pressure head and the surface of the workpiece is adjusted to be less than or equal to 0.1mm through the feeler gauge during machining, so that the pressure head is not always in contact with a machined surface during machining of the cutter, and the pressure head is limited by the pressure head during vibration of the machined surface, thereby preventing the turning precision from being influenced by large vibration amplitude of the machined surface.
Drawings
FIG. 1 is a schematic view of a part of an appearance structure of a turning device according to an embodiment of the present invention;
FIG. 2 is an exploded view of a turning apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a vibration-proof bar for assisting turning according to an embodiment of the present invention;
FIG. 4 is a schematic view of a tool holder of a turning apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a first side support of the turning equipment according to the embodiment of the invention;
FIG. 6 is another schematic view of the first side support of the turning apparatus of the present invention;
FIG. 7 is a schematic structural diagram of a ram of a turning apparatus according to an embodiment of the present invention;
an icon: the turning tool comprises a turning tool 1, a tool bar 11, a tool bit 12, a bearing component 2, a first side supporting piece 21, a transverse through groove 211, a mounting hole 212, a threaded hole 213, a second side supporting piece 22, a tool supporting piece 23, a vertical through groove 231, a pressure head 3, a pressing piece 31, a hollow screw 32, a spring 33, a plug 34 and a workpiece 4.
Detailed Description
Examples
As shown in fig. 1 to 7, the present embodiment provides a turning apparatus including a frame and a turning tool 1 disposed on the frame, and further including an anti-vibration bar for assisting turning, the anti-vibration bar being fixed on the turning tool 1 and configured to form an anti-vibration support with a tool bit 12 of the turning tool 1 in a cutting area of a workpiece 4 so as to limit the vibration amplitude of the workpiece 4 in the cutting area.
With reference to fig. 1 and 3, the anti-vibration bar for auxiliary turning, which is adapted to be connected to a turning tool 1, comprises: a supporting component 2 and a pressure head component, wherein the supporting component 2 is suitable for being fixed on the turning tool 1 in an up-and-down adjustable manner, the pressure head component is arranged on the supporting component 2 and is configured to form an anti-vibration support with a tool bit 12 of the turning tool 1 in a cutting area of a workpiece 4 so as to limit the vibration amplitude of the workpiece 4 in the cutting area.
It should be noted that the vibration-proof rod of the present invention is suitable for all large-diameter high-precision disc-like parts, and the workpieces 4 and 4 are large-diameter high-precision disc-like parts.
As shown in fig. 3 to 7, in this embodiment, the anti-vibration bar may be U-shaped, and the turning tool 1 is disposed at a middle position of the anti-vibration bar and at a corner of the U-shape, so that the pressing head 3 and the turning tool 1 are not in alignment, and a supporting stable plane capable of stabilizing the workpiece 4 is formed according to the principle of three points and one surface. In particular, in the present embodiment, the turning tool comprises a cutting head 12, a tool shank 11, wherein the anti-vibration bar is mounted on the tool shank 11. The pressure head assembly comprises at least two pressure heads 3; the pressure head 3 comprises a hollow screw 32, a pressing piece 31, a spring 33 and a plug 34, wherein threads are arranged on the outer surface of the hollow screw 32, so that locking and fixing are facilitated; one end of the pressing piece 31 is arranged in the hollow screw 32, and the other end of the pressing piece extends out of the hollow screw 32; a spring 33 and a plug 34 are arranged above the pressing member 31, and the plug 34 is suitable for fixing the spring 33 in the hollow screw 32. The pressing piece 31 can be put into the hollow screw rod 32 through the upper end of the hollow screw rod 32 and extend out from the lower part of the hollow screw rod 32, a spring 33 is arranged above the pressing piece 31, and the spring 33 is fixed in the hollow screw rod 32 through a plug 34, so that the pressing piece 31 has certain elasticity to maintain the pre-tightening force, and meanwhile, when the force is excessively applied, the spring 33 can be compressed upwards to prevent the end part of the pressing piece 31 from being damaged. Here, the pressure piece 31 is arranged elastically on the support element 2, forming a three-point plane with the turning tool 1. In this embodiment, the anti-vibration rod is provided with at least two pressure heads 3, the two pressure heads 3 and the tool bit 12 of the turning tool 1 form a triangular distribution together, and a support surface is formed in a triangular distribution mode. The hollow screw 32 is internally provided with internal threads for being connected with the plug 34 in a matching mode, and the plug 34 can adjust a certain depth in the hollow screw 32, so that the pretightening force of the spring 33 is adjusted, and the pressure head 3 can adapt to different application scenes.
As shown in fig. 3 to 6, the supporting assembly 2 includes a cutter supporting member 23, and a first side supporting member 21 and a second side supporting member 22 for being disposed on two sides of the cutter supporting member 23, and at least one of the indenters 3 is fixed on each of the first side supporting member 21 and the second side supporting member 22. Here, the first side support 21 and the second side support 22 are provided with lateral transverse through grooves 211, two sides of the cutter support 23 are provided with threaded holes 213 matched with the lateral through grooves, and the first side support 21 and the second side support 22 are adapted to be fixed on the cutter support 23 by bolts in a front-back adjustable manner. The first side supporting piece 21 and the second side supporting piece 22 are provided with mounting holes 212 for mounting the pressing head 3, wherein the mounting holes 212 can be arranged to be perpendicular to the supporting component 2 and perpendicular to the surface to be processed, so that the height adjustment is convenient; in other embodiments, the mounting hole 212 may be disposed obliquely, so as to facilitate the adjustment of the front and rear positions. A threaded hole 213 is further formed at a side of the mounting hole 212 for receiving a locking screw to fix the ram 3 in the mounting hole 212.
The tool bearing piece 23 is provided with a vertical through groove 231, the vertical through groove 231 is suitable for being inserted with a bolt to be connected to the turning tool 1 so as to fix the tool bearing piece 23 on the tool, and the tool bearing piece 23 can be adjusted and moved up and down by utilizing the vertical through groove 231 and can be adapted to different workpiece requirements through up and down movement.
In another embodiment, the present invention further provides a cutting method using the turning apparatus described above, comprising the steps of:
s1, trial cutting is carried out, and the thickness value of the cut workpiece 4 is determined;
s2, adjusting the pressure head 3 to enable the pressure head 3 to contact the workpiece 4, and fixing a clearance between the pressure head 3 and the workpiece 4 by using a feeler gauge to be less than or equal to 0.1MM;
s3: cutting is initiated.
The thickness value of the workpiece 4 after turning is determined by trial cutting, so that the turning amount is judged, then the pressure head 3 is adjusted, a feeler gauge is used during adjustment, the clearance between the end of the pressure head 3 and the workpiece 4 is less than or equal to 0.1MM when the feeler gauge is used for measuring, the clearance is the vibration amplitude allowed by the workpiece 4 in the allowable machining area, and the pressure head 3 can not always be in plane contact with the workpiece 4 during machining through the clearance, so that the pressure head 3 is prevented from damaging a machining surface. After trial cutting is finished and the pressure head 3 is adjusted, the workpiece 4 is cut, the pressure head 3 firstly presses the workpiece 4 before cutting, the pressure head 3 and the turning tool 1 form a three-point plane after turning is started, and the anti-vibration function in the turning process is started. The pressure head 3 advances along with the cutter until the cutting is finished, the pressure head 3 can lose the pressure to the blank quotation together, and the back falls to former initial position, and the pressure head 3 can not cause the damage to the quotation with the product face formation 0.1mm clearance.
When a large-disc-surface workpiece is machined, the anti-vibration rod is arranged above the turning tool 1, and the anti-vibration rod is provided with at least two elastic pressing heads 3, so that the two pressing heads 3 and the tool bit 12 of the turning tool 1 form a three-point plane in a cutting area where the tool bit 12 is in contact with the workpiece 4, and the three-point plane forms stable support for the machining area of the workpiece 4, so that vibration generated by machining contact between a high-hardness tool and the large-diameter high-precision disc workpiece can be greatly weakened; and the pressure head 3 is adjustable on the square vibration rod, so that the device is suitable for various precision requirements. Preferably, the distance between the end part of the pressure head 3 and the surface of the workpiece 4 is adjusted to be less than or equal to 0.1mm through the feeler gauge during machining, so that the pressure head 3 can not be always in contact with a machined surface during cutter machining, and the machined surface is limited by the pressure head 3 during vibration, thereby preventing the turning precision from being influenced by large vibration amplitude of the machined surface. The vibration-proof rod is assembled on the cutter, so that the regional vibration and disk surface jumping during cutting are controlled, and the workpiece 4 is stable.
It should be understood that: the above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.
The above description of the drawings used in the embodiments shows only some examples of the invention and should not be taken as limiting the scope, from which other relevant drawings can be derived by a person skilled in the art without inventive step.
Claims (10)
1. An anti-vibration bar for assisting turning operations, adapted to be connected to a turning tool, comprising: the device comprises a supporting assembly and a pressure head assembly, wherein the supporting assembly is suitable for being fixed on the turning tool in an up-and-down adjustable mode, the pressure head assembly is arranged on the supporting assembly and configured to form an anti-vibration support together with a tool bit of the turning tool in a cutting area of a workpiece, and therefore vibration amplitude of the workpiece in the cutting area is limited.
2. The anti-vibration bar for auxiliary turning according to claim 1, wherein said ram assembly comprises at least two rams; the bearing component comprises a cutter bearing piece, a first side bearing piece and a second side bearing piece, wherein the first side bearing piece and the second side bearing piece are arranged on two sides of the cutter bearing piece, and at least one pressure head is fixed on each of the first side bearing piece and the second side bearing piece.
3. The vibration-proof bar for auxiliary turning according to claim 2, wherein the ram comprises a hollow screw, a pressing member, a spring, and a plug, wherein one end of the pressing member is disposed in the hollow screw, and the other end thereof protrudes out of the hollow screw; and a spring and a plug are arranged above the pressing piece, and the plug is suitable for fixing the spring in the hollow screw rod.
4. The anti-vibration bar for auxiliary turning according to claim 2, wherein lateral transverse through grooves are provided on the first side support and the second side support, and threaded holes are provided on both sides of the tool support to be fitted with the lateral through grooves, and the first side support and the second side support are adapted to be fixed to the tool support in a back-and-forth adjustable manner.
5. Anti-vibration bar for auxiliary turning according to claim 2, characterized in that vertical through slots are provided on the tool support.
6. The anti-vibration bar for auxiliary turning according to claim 2, wherein each of the first and second side supports has a mounting hole adapted to mount the ram.
7. The vibration-proof bar for auxiliary turning according to claim 6, wherein the mounting hole is provided obliquely.
8. A turning apparatus comprising a frame and a turning tool provided on the frame, characterized by comprising an anti-vibration bar for assisting turning according to any one of claims 1-7, which bar is fixed to the turning tool and is arranged to form an anti-vibration support with a tool head of the turning tool in a cutting zone of a workpiece in order to limit the amplitude of vibration of the workpiece in the cutting zone.
9. The turning apparatus according to claim 8, wherein at least two of the pressure heads are arranged on the anti-vibration bar, the two pressure heads forming a triangular distribution together with the cutting head of the turning tool.
10. A cutting method, characterized in that a turning apparatus according to any one of claims 8 or 9 is used, which steps consist in:
s1, trial cutting is carried out, and the thickness value of the cut workpiece is determined;
s2, adjusting the pressure head to enable the pressure head to contact the workpiece, and fixing a clearance between the pressure head and the workpiece by using a feeler gauge to be less than or equal to 0.1MM;
s3: cutting is initiated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211517927.3A CN115846705A (en) | 2022-11-30 | 2022-11-30 | Anti-vibration rod assisting in turning, turning equipment and turning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211517927.3A CN115846705A (en) | 2022-11-30 | 2022-11-30 | Anti-vibration rod assisting in turning, turning equipment and turning method |
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| Publication Number | Publication Date |
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| CN115846705A true CN115846705A (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211517927.3A Pending CN115846705A (en) | 2022-11-30 | 2022-11-30 | Anti-vibration rod assisting in turning, turning equipment and turning method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101623764A (en) * | 2008-07-09 | 2010-01-13 | 大隈株式会社 | Cutting method and cutting apparatus |
| CN109531245A (en) * | 2018-11-30 | 2019-03-29 | 苏州仕通电子科技有限公司 | A kind of CNC auxiliary is with knife Anti-bouncing device |
| DE102017127309A1 (en) * | 2017-11-20 | 2019-05-23 | Homag Plattenaufteiltechnik Gmbh | Device for influencing mechanical vibrations of a cutting tool and corresponding method |
| CN110142424A (en) * | 2019-06-26 | 2019-08-20 | 马鞍山聚力科技有限公司 | A kind of numerically controlled lathe lathe tool damper |
| CN210731230U (en) * | 2019-07-08 | 2020-06-12 | 常州西利合金工具有限公司 | Metal cutting tool capable of effectively inhibiting vibration |
| CN212444182U (en) * | 2020-04-11 | 2021-02-02 | 广东正信硬质材料技术研发有限公司 | Hard alloy cutting tool |
| CN112427664A (en) * | 2020-10-28 | 2021-03-02 | 奇锋金属科技有限公司 | Lathe tool fastening assembly |
-
2022
- 2022-11-30 CN CN202211517927.3A patent/CN115846705A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101623764A (en) * | 2008-07-09 | 2010-01-13 | 大隈株式会社 | Cutting method and cutting apparatus |
| DE102017127309A1 (en) * | 2017-11-20 | 2019-05-23 | Homag Plattenaufteiltechnik Gmbh | Device for influencing mechanical vibrations of a cutting tool and corresponding method |
| CN109531245A (en) * | 2018-11-30 | 2019-03-29 | 苏州仕通电子科技有限公司 | A kind of CNC auxiliary is with knife Anti-bouncing device |
| CN110142424A (en) * | 2019-06-26 | 2019-08-20 | 马鞍山聚力科技有限公司 | A kind of numerically controlled lathe lathe tool damper |
| CN210731230U (en) * | 2019-07-08 | 2020-06-12 | 常州西利合金工具有限公司 | Metal cutting tool capable of effectively inhibiting vibration |
| CN212444182U (en) * | 2020-04-11 | 2021-02-02 | 广东正信硬质材料技术研发有限公司 | Hard alloy cutting tool |
| CN112427664A (en) * | 2020-10-28 | 2021-03-02 | 奇锋金属科技有限公司 | Lathe tool fastening assembly |
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