CN115740524A - Large-fillet machining tool for common lathe - Google Patents
Large-fillet machining tool for common lathe Download PDFInfo
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- CN115740524A CN115740524A CN202211421334.7A CN202211421334A CN115740524A CN 115740524 A CN115740524 A CN 115740524A CN 202211421334 A CN202211421334 A CN 202211421334A CN 115740524 A CN115740524 A CN 115740524A
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- 238000003754 machining Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 210000002583 cell-derived microparticle Anatomy 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
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Abstract
The invention relates to a cutter capable of being installed on a common lathe to realize large fillet machining, and belongs to the field of cutters. A large fillet processing cutter for a common lathe comprises a cutter outer body and a turning tool bit; be provided with installation department, the portion of gripping, power transmission portion, cutter installation department on the cutter ectosome, the installation department be used for with processing cutter installs on the knife rest, and the portion of gripping is installed in the one end of power transmission portion for operating personnel grips and rotates power transmission portion, and the other end and the cutter installation department of power transmission portion are connected, and the lathe tool bit is installed on the cutter installation department, and when operating personnel rotated the portion of gripping, power transmission portion rotated in step, and then drove the lathe tool bit and rotate, realized big fillet processing. The invention has the following advantages: the tool is simple to use, is consistent with the use method of a common turning tool, and can realize the large fillet machining of various specifications only by replacing corresponding turning tool bit accessories.
Description
Technical Field
The invention relates to a cutter capable of being installed on a common lathe to realize large fillet machining, and belongs to the field of cutters.
Background
Since a common lathe cannot profile-machine the fillet feature on the rotating part through the interpolation function like a numerical control lathe, a forming tool with a corresponding R angle is generally selected for machining. If the fillet feature is too large (generally greater than R20), the blade may be vibrated and even broken when the profiling blade is used. Therefore, when the equipment conditions permit, the numerical control lathe is generally selected to process the large fillet feature, but when the equipment capability is relatively deficient, or the eccentric structure of the part is obviously difficult to process on the numerical control lathe, and the like, the large fillet feature still needs to be processed by a common lathe. In this time, the turning tool can be manually controlled by an operator to perform profiling machining on the fillet, the machining efficiency is extremely low, and the quality is difficult to ensure.
Disclosure of Invention
The invention aims to provide a large fillet machining tool for a common lathe, which solves the problems of high difficulty in machining large fillets, high requirement on the level of an operator and difficulty in quality control of the common lathe.
In order to achieve the purpose, the invention adopts the following technical scheme: a large fillet machining tool for a common lathe comprises a tool outer body and a turning tool bit; be provided with installation department, the portion of gripping, power transmission portion, cutter installation department on the cutter ectosome, the installation department be used for with processing cutter installs on the knife rest, and the portion of gripping is installed in the one end of power transmission portion for operating personnel grips and rotates power transmission portion, and the other end and the cutter installation department of power transmission portion are connected, and the lathe tool bit is installed on the cutter installation department, and when operating personnel rotated the portion of gripping, power transmission portion rotated in step, and then drove the lathe tool bit and rotate, realized big fillet processing.
Preferably, the power transmission part is a worm gear and worm mechanism, one end of the worm is connected with the holding part, the other end of the worm is meshed with the worm wheel, and the worm wheel is installed on the tool installation part.
Preferably, a cavity is provided in the tool outer body for accommodating the power transmission portion and the tool mounting portion.
Preferably, the cutter installation part comprises a turning tool bit installation shaft and a fastener, and the turning tool bit is clamped with the turning tool bit installation shaft and is limited by the fastener.
Preferably, a clamping groove is formed in the lathe tool bit mounting shaft, the axial direction of the clamping groove is axially consistent with that of the lathe tool bit mounting shaft, and the opening end of the clamping groove is located at the top end of the lathe tool bit mounting shaft; the turning tool bit is provided with a through hole for allowing the mounting shaft of the turning tool bit to pass through, and a bulge matched with the clamping groove is arranged in the through hole.
Preferably, the number of the clamping grooves is two, and the clamping grooves are arranged oppositely.
Preferably, the turning tool bit comprises a tool body and a blade, and the blade is mounted on the tool body.
Preferably, the cutter body is also provided with a pointer, and the pointer and the blade point oppositely; scales are arranged on the outer body of the cutter and distributed around the installation shaft of the tool bit of the turning tool.
Preferably, a roller bearing is installed on the installation shaft of the tool bit of the turning tool, and the roller bearing is located at the joint of the outer body of the tool and the installation shaft of the tool bit of the turning tool.
The using method comprises the following steps: the tool is directly installed on a tool rest of a common lathe, after the processing of the excircle and the end face of a part is finished, a large amount of residuals at the round corners are removed by manual rough turning, the tool rest is adjusted again, the tool is adjusted to a round corner starting point, finally, a holding part on the tool is rotated, the turning tool bit is controlled to rotate through a turbine worm mechanism, the blade of the turning tool correspondingly forms an arc-shaped tool path, and the cutting of the large round corner can be realized.
Compared with the prior art, the invention has the following advantages: the tool is simple to use, is consistent with the using method of a common turning tool, and can realize the large fillet machining of various specifications only by replacing corresponding turning tool bit accessories.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of an embodiment of the present invention;
FIG. 3 is a partial schematic view of a cutter according to an embodiment of the present invention;
FIG. 4 is a schematic view of an embodiment of the present invention in use on a machine tool;
FIG. 5 is a partially enlarged view illustrating the operation of the embodiment of the present invention;
FIG. 6 is a schematic view of the embodiment of the present invention for processing the outer circle, the fillet and the end face in linkage;
FIG. 7 is a schematic view of a turning tool bit configuration in an embodiment of the present invention;
FIG. 8 is a schematic view of a turning tool bit configuration in an embodiment of the present invention;
in fig. 1-8, 1, the cutter outer body; 2. a turning tool bit; 2-1, cutting blades; 2-2, a cutter body; 3. a cutter operating rocker; 4. a turbine; 5. a roller bearing; 6. a worm; 7. a nut; 8. a three-grab chuck; 9. a workpiece to be processed; 10. a large fillet machining tool; 11. a tool holder; 12. a pointer.
Detailed Description
It should be noted that the terms "upper", "lower", "top", "bottom", etc. are used for convenience of description or illustration in accordance with the drawings, and do not limit the present invention.
The invention is described in further detail below with reference to the accompanying figures 1-8: a large fillet processing cutter for a common lathe comprises a cutter outer body 1 and a turning tool bit 2; set up installation department, the portion of gripping, power transmission portion, cutter installation department on cutter ectosome 1, the installation department be used for with processing cutter installs on knife rest 11, and the one end in power transmission portion is installed to the portion of gripping for operating personnel grips and rotates power transmission portion, and the other end and the cutter installation department of power transmission portion are connected, and lathe tool bit 2 is installed on the cutter installation department, and when operating personnel rotated the portion of gripping, power transmission portion rotated in step, and then drives lathe tool bit 2 and rotates, realizes big fillet processing.
In this embodiment, the specific structure is as follows:
as shown in fig. 1, the tool outer body 1 is a polyhedron having a mounting portion at one side thereof, and a holding portion and a turning tool bit 2 at both ends of the mounting portion, respectively. In the embodiment, the holding part is a cutter operating rocker 3 as an operating end of an operator; a rotating space for accommodating a turning tool bit 2 is formed in the upper surface of the cutter outer body 1, one end of the turning tool bit 2 is a free end (used for cutting a round corner), and the other end of the turning tool bit 2 is a fixed end; when the cutter operating rocker 3 rotates, the cutter head 2 of the turning tool synchronously rotates;
as shown in fig. 2, a cavity is designed in the cutter outer body 1, and the power transmission part and the cutter mounting part are installed in the cavity. In the embodiment, the power transmission part adopts a worm gear and worm mechanism, one end of a worm 6 is connected with the cutter operation rocker 3, the other end of the worm is meshed with a worm wheel 4, and the worm wheel 4 is arranged on the cutter installation part; in order to support the worm 6, supports are arranged at the connecting part of the cutter operating rocker 3 and the worm 6 and the position of the worm 6 close to the worm wheel 4, and meanwhile, a roller bearing 5 is arranged at the supporting position so as to reduce the problems of abrasion and clamping stagnation when the worm 6 rotates.
The tool mounting part is clamped with the tool bit 2 of the turning tool; as shown in fig. 3, the tool mounting portion includes a turning tool bit mounting shaft and a fastening member, one end of the turning tool bit mounting shaft is fixed to the turbine 4, and the other end is provided with an external thread, and meanwhile, the shaft body of the turning tool bit mounting shaft is stepped, that is, the outer diameter of the end portion provided with the external thread is the smallest, a groove is provided on the shaft body between the external thread end and the turbine, and the axial direction of the groove is consistent with the axial direction of the turning tool bit mounting shaft, so that the turning tool bit 2 is clamped in, and the opening end of the groove is located at the turning position of the external thread end and the shaft body; in the embodiment, the fastener is a nut 7, and the nut 7 is matched with the external thread; the fixed end of the turning tool bit 2 is a through hole matched with the mounting shaft of the turning tool bit, namely the inner diameter of the through hole is matched with the outer diameter of the shaft body, meanwhile, a bulge facing the center of the through hole is arranged in the through hole, and the bulge is matched with the groove; in this embodiment, the number of the grooves is two, and the grooves are oppositely arranged, so that the number of the protrusions is also two;
when the cutter mounting part is mounted on the cutter outer body 1, the turning tool bit mounting shaft penetrates through the upper surface of the cutter outer body 1, the turning tool bit 2 is clamped into the turning tool bit mounting shaft penetrating part, and the turning tool bit mounting shaft is limited on the cutter outer body 1 through a nut 7; in order to reduce the problems of abrasion and clamping stagnation, a roller bearing 5 is arranged at the contact part of the mounting shaft and the cutter outer body 1.
As a preferable solution of the present embodiment, the turning tool bit 2 is divided into two parts: the cutter comprises a blade 2-1 and a cutter body 2-2, wherein the blade 2-1 is arranged on the cutter body 2-2 through a bolt;
as shown in fig. 5-8, a pointer 12 is further arranged on the cutter body 2-2, and the pointer 12 is opposite to the direction of the blade 2-1; the scale is arranged on the outer body 1 of the cutter and distributed around the installation shaft of the tool bit of the turning tool.
As shown in fig. 4-5, the method of use:
(1) Installing a workpiece 9 to be machined on a three-grab chuck 8 of a machine tool, installing the large fillet machining tool 10 on a tool rest 11, and then correspondingly correcting the workpiece 9 to be machined and the large fillet machining tool;
(2) Rotating the cutter operation rocker 3, positioning a cutter withdrawing point at the position of a solid line state of the cutter head, recording the position of the Z direction, withdrawing the cutter again, rotating the cutter operation rocker, returning the cutter head to the Z direction recording position after rotating to the position of the dotted line, adjusting and positioning the X direction positioning cutter withdrawing point, rotating the cutter operation rocker after positioning, rotating the cutter from the position of the dotted line to the position of the solid line, and finishing R angle cutting.
As shown in fig. 6, the large fillet machining tool 10 can also be used as an excircle turning tool and an end face turning tool after positioning a tool start point and a tool retreat point, so that linkage finish machining of an excircle, a fillet and an end face of a solid line is realized, and an obvious tool joint difference is avoided;
as shown in fig. 7-8, the R angle that can be processed by the large fillet processing tool 10 is mainly controlled by the length of the tool bit of the turning tool, and fillet processing of various specifications can be realized only by modifying the tool bit of a corresponding specification.
The above examples are merely preferred embodiments of the present invention and are not to be construed as limiting the invention. The tool bit of the turning tool can be reformed by a common excircle turning tool. Any extensions, modifications, equivalents and the like of those skilled in the art without departing from the essence of the present invention shall be included in the scope of the present invention.
Claims (9)
1. The utility model provides a big fillet processing cutter that center lathe used which characterized in that: the processing cutter comprises a cutter outer body and a turning tool bit; be provided with the installation department on the cutter ectosome, the portion of gripping, power transmission portion, cutter installation department, the installation department be used for with the processing cutter is installed on the knife rest, and the one end in power transmission portion is installed to the portion of gripping for operating personnel grips and rotates power transmission portion, and the other end and the cutter installation department of power transmission portion are connected, and the lathe tool bit is installed on the cutter installation department, and when operating personnel rotated the portion of gripping, power transmission portion rotated in step, and then drove the lathe tool bit and rotate, realized big fillet processing.
2. The large round corner machining tool for a lathe according to claim 1, wherein: the power transmission part is a worm gear and worm mechanism, one end of the worm is connected with the holding part, the other end of the worm is meshed with the worm wheel, and the worm wheel is installed on the cutter installation part.
3. The large round corner machining tool for a lathe according to claim 1 or 2, wherein: a cavity is arranged in the cutter outer body and used for accommodating the power transmission part and the cutter mounting part.
4. The large round corner machining tool for a lathe according to claim 1, wherein: the cutter installation part comprises a turning tool bit installation shaft and a fastener, and the turning tool bit is clamped with the turning tool bit installation shaft and is limited by the fastener.
5. The large round corner processing tool for a lathe according to claim 4, wherein: a clamping groove is formed in the mounting shaft of the lathe tool bit, the axial direction of the clamping groove is consistent with the axial direction of the mounting shaft of the lathe tool bit, and the opening end of the clamping groove is located at the top end of the mounting shaft of the lathe tool bit; the turning tool bit is provided with a through hole for allowing the mounting shaft of the turning tool bit to pass through, and a bulge matched with the clamping groove is arranged in the through hole.
6. The large round corner machining tool for a lathe according to claim 5, wherein: the quantity of draw-in groove is two, sets up relatively.
7. The tool for large round corner machining on a lathe according to any one of claims 1 to 6, wherein: the turning tool bit comprises a tool body and a blade, and the blade is installed on the tool body.
8. The large round corner machining tool for a lathe according to claim 7, wherein: the cutter body is also provided with a pointer, and the pointer and the blade point to opposite directions; scales are arranged on the outer body of the cutter and distributed around the installation shaft of the tool bit of the turning tool.
9. The large round corner processing tool for a lathe according to claim 4, wherein: and a roller bearing is arranged on the installation shaft of the tool bit of the turning tool and is positioned at the joint of the outer body of the tool and the installation shaft of the tool bit of the turning tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211421334.7A CN115740524A (en) | 2022-11-15 | 2022-11-15 | Large-fillet machining tool for common lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211421334.7A CN115740524A (en) | 2022-11-15 | 2022-11-15 | Large-fillet machining tool for common lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115740524A true CN115740524A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211421334.7A Pending CN115740524A (en) | 2022-11-15 | 2022-11-15 | Large-fillet machining tool for common lathe |
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| CN (1) | CN115740524A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4945792A (en) * | 1988-01-21 | 1990-08-07 | Cameron Iron Works Usa, Inc. | Boring tool for machining the interior of narrow neck casing |
| US5159862A (en) * | 1991-01-18 | 1992-11-03 | Dresser-Rand Company | Method and apparatus for machining the inside surface of a closed hollow casing |
| CN1329958A (en) * | 2000-06-23 | 2002-01-09 | 山崎马扎克株式会社 | Lathe work tool |
| CN201313184Y (en) * | 2008-11-21 | 2009-09-23 | 鞍山钢铁集团公司 | Special rotary cutting tool |
| CN102039429A (en) * | 2010-11-15 | 2011-05-04 | 黄海造船有限公司 | Transitional fillet processing tool |
| CN209379957U (en) * | 2017-11-21 | 2019-09-13 | 青海华鼎重型机床有限责任公司 | A kind of novel common boring machine interior spherical surface working device |
| CN115815638A (en) * | 2022-12-21 | 2023-03-21 | 深圳市骏强五金制品有限公司 | Automatic multi-angle feed's digit control machine tool |
-
2022
- 2022-11-15 CN CN202211421334.7A patent/CN115740524A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4945792A (en) * | 1988-01-21 | 1990-08-07 | Cameron Iron Works Usa, Inc. | Boring tool for machining the interior of narrow neck casing |
| US5159862A (en) * | 1991-01-18 | 1992-11-03 | Dresser-Rand Company | Method and apparatus for machining the inside surface of a closed hollow casing |
| CN1329958A (en) * | 2000-06-23 | 2002-01-09 | 山崎马扎克株式会社 | Lathe work tool |
| CN201313184Y (en) * | 2008-11-21 | 2009-09-23 | 鞍山钢铁集团公司 | Special rotary cutting tool |
| CN102039429A (en) * | 2010-11-15 | 2011-05-04 | 黄海造船有限公司 | Transitional fillet processing tool |
| CN209379957U (en) * | 2017-11-21 | 2019-09-13 | 青海华鼎重型机床有限责任公司 | A kind of novel common boring machine interior spherical surface working device |
| CN115815638A (en) * | 2022-12-21 | 2023-03-21 | 深圳市骏强五金制品有限公司 | Automatic multi-angle feed's digit control machine tool |
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