CN212551773U - Lathe tool for cutting soft rubber and lathe thereof - Google Patents
Lathe tool for cutting soft rubber and lathe thereof Download PDFInfo
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- CN212551773U CN212551773U CN202021496075.0U CN202021496075U CN212551773U CN 212551773 U CN212551773 U CN 212551773U CN 202021496075 U CN202021496075 U CN 202021496075U CN 212551773 U CN212551773 U CN 212551773U
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Abstract
The utility model discloses a lathe tool of cutting process soft rubber belongs to the technical field of lathe tool, the lower technical problem of machining precision when solving prior art's product processing rubber materials. It includes cutter body (1) and is in cutting blade (2) that set up on cutter body (1) top surface, wherein: the cutter body (1) is used for being mounted on a lathe and can fix the cutting blade (2); cutting blade (2) for process soft rubber, the adjacent main cutting edge (21) and vice cutting edge (22) that are provided with on cutting blade (2), main cutting edge (21) with vice cutting edge (22) are formed with contained angle (23), contained angle (23) set up with the arc structure. The utility model discloses a required precision that people add man-hour to soft rubber is satisfied in the function of the lathe tool for perfecting the cutting process soft rubber.
Description
Technical Field
The utility model belongs to the technical field of the cutter, especially, relate to a lathe tool and lathe of cutting processing soft rubber.
Background
Rubber materials have high elasticity and flexibility, and can be stretched, compressed, bent, twisted and the like by applying a small external force, so that the processing of the rubber materials is difficult compared with the processing of metals. In practice, hard rubber with the shore hardness of 80-95 degrees can be turned by a white steel cutter, but in the turning process, due to the fact that the white steel cutter is poor in heat conductivity, a high-temperature annealing cutting edge is abraded, rubber residues obtained through turning are prone to being adhered to the cutting edge of the white steel cutter, built-up edges are prone to forming, smooth turning is affected, and particularly, the rubber with the shore hardness of 15-55 degrees is turned, the processing surface of a rubber material is uneven and torn, and the accuracy and the roughness of the processing surface cannot be guaranteed.
Among the prior art, publication number "CN 207013763U" discloses "a rubber lathe tool", including cutter arbor and tool bit, cutter arbor and tool bit integral type structure set up, and the tool bit is installed in the cutter arbor side, and the tool bit adopts white steel sword. In practice, when rubber with the Shore hardness of 15-55 degrees is processed, the processing surface precision of the rubber material is low, and the processing requirement cannot be met.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lathe tool of cutting process soft rubber, the lower technical problem of machining precision when solving prior art's product processing rubber materials.
On one hand, the turning tool for cutting and processing the soft rubber comprises a tool body and a cutting blade arranged on the top surface of the tool body, and the structure is arranged, so that the cutting effect of the cutting blade is improved, the installation difficulty of the cutting blade is reduced, the cutting blade can be installed by installing the tool body on a machine tool during installation, the stabilizing force of the cutting blade is increased, the cutting blade is not easy to shake during cutting, and the processing precision is ensured;
the cutter body is used for being mounted on a lathe and can fix the cutting blade;
the cutting blade is used for processing soft rubber, a main cutting edge and an auxiliary cutting edge are adjacently arranged on the cutting blade, the main cutting edge and the auxiliary cutting edge form an included angle, and the included angle is arranged in an arc structure. The contained angle that the arc structure set up adds man-hour, can play the effect of smooth machined surface, avoids soft rubber machined surface the uneven condition of hole to can also improve the intensity of cutting blade, the live time of extension blade.
In a preferred or alternative arrangement, a land for increasing the strength of the cutting insert is provided on the flank of the primary cutting edge and/or the secondary cutting edge. The land has a small clearance angle of 0 to 1 DEG, for example, and a width of 0.5mm or less, and is ground to have a small clearance in addition to the clearance, and this structure is designed to improve the strength of the main cutting edge and the sub cutting edge, to maintain the sharpness of the cutting edge, to prevent the occurrence of chipping due to the excessively weak cutting edge in pursuit of the sharpness of the tool, and to further improve the service life of the tool.
In a preferred or alternative arrangement, the included angle is provided at an acute or obtuse angle. The included angle is a tool tip, for example, a tool tip in a shape of a V formed by intersecting two angles of the main deflection angle and the auxiliary deflection angle, the tool tip is ground into an arc shape, preferably, an arc shape, and the radius of the arc is not more than 0.8 mm.
In a preferred or alternative arrangement, the non-cutting sides of the primary and secondary cutting edges and the alloy body intersect to form a chip flute for chip removal.
In a preferred or alternative scheme, the main deflection angle of the main cutting edge is 45-80 degrees, the front angle is 45-59 degrees, and the rear angle is 3-7 degrees;
the main deflection angle of the auxiliary cutting edge is 3-45 degrees, the front angle is 45-59 degrees, and the rear angle is 3-7 degrees.
In a preferred or alternative arrangement, the intersection of the rake and relief angles of the major cutting edge and/or the minor cutting edge forms a wedge angle of 31 ° to 45 °.
In a preferred or alternative arrangement, the cutting insert is made of a superhard material.
On the other hand, the lathe is used for processing soft rubber with the Shore hardness of 15-55 degrees, and is characterized in that the lathe is provided with a turning tool for cutting and processing the soft rubber partially or completely. The blank of processing the soft rubber with the Shore hardness of 15-55 degrees is made up, the processing precision and the roughness of the soft rubber are ensured, and the phenomena of hollow, uneven and tearing on the surface of the soft rubber are avoided.
Compared with the prior art, the utility model provides a technical scheme includes following beneficial effect:
the cutter body and the cutting blade that sets up on the cutter body top surface, this structural arrangement improves the cutting force of cutting blade to the installation degree of difficulty of cutting blade has been reduced, during the installation, with the installation of cutter body alright realize the installation to cutting blade on the lathe, increase cutting blade's steady power, cutting blade is difficult for rocking when the cutting, guarantees machining precision and roughness. The contained angle of cutting blade sets up with arc structure, and the contained angle that arc structure set up can play the effect of smooth machined surface when processing, avoids soft rubber machined surface to appear the uneven tear form condition of pothole to can also improve the intensity of cutting blade, the live time of extension blade.
On the other hand, the lathe is provided, the lathe tool can be used for processing soft rubber with the Shore hardness of 15-55 degrees, and the processing precision is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the turning tool of the present invention;
fig. 2 is a schematic view of the turning tool of the present invention;
FIG. 3 is an enlarged view of a turning tool B of the present invention;
FIG. 4 is a schematic structural view of a cutting edge of the turning tool of the present invention;
fig. 5 is an enlarged view of the cutting edge F of the turning tool of the present invention.
Wherein: 1. a cutter body; 2. a cutting insert; 21. a main cutting edge; 22. a secondary cutting edge; 23. an included angle; 24. a margin; 25. a chip groove; 26. a principal declination angle; 27. an auxiliary deflection angle; 28. a wedge angle; 29. a relief angle; 3. a soft rubber roller; 241. a small clearance angle of the land; 31. a soft rubber strip being cut.
Detailed Description
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the invention, and not a full range of embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Related explanation:
the main cutting edge is the edge of a direct workpiece cutting;
minor cutting edge-is the edge facing the machined surface;
the included angle between the front surface and the base surface is a front angle, and the included angle between the rear surface and the cutting plane is a rear angle;
anterior angle, action: the rake angle is increased, the cutter is sharp, the deformation of a cutting layer and the frictional resistance of front chips are small, the cutting force and the cutting temperature can be reduced, and accumulated chip tumors can be inhibited or eliminated;
relief angle, action: reducing friction between the rear face of the tool and the cutting and machined surfaces of the workpiece;
principal declination, function: the proportion between the radial cutting component force and the axial cutting component force can be adjusted by changing the size of the main deflection angle, when the main deflection angle is increased, the radial cutting component force is reduced, and the axial cutting component force is increased;
angle of declination, function: reducing friction between the secondary cutting edge and the machined surface of the workpiece.
The turning tool for cutting soft rubber as shown in fig. 1 includes a tool body 1 and a cutting blade 2 disposed on the top surface of the tool body 1, the tool body 1 is a tool body of the prior art, the tool body 1 is adapted to the cutting blade 2, and the shape of the tool body can be selected as a V-shaped structure, or an arc-shaped or folded structure, the structure of the cutting blade 2 is preferably a V-shaped structure, or other structures, hereinafter, a V-shaped structure is taken as an example for explanation, but the shape of the cutting blade 2 is not limited to the V-shaped structure.
the cutter body 1 is used for being installed on a lathe and can fix a cutting blade 2;
the cutting blade 2 is used for processing soft rubber, a main cutting edge 21 and a secondary cutting edge 22 are adjacently arranged on the cutting blade 2, an included angle 23 is formed between the main cutting edge 21 and the secondary cutting edge 22, and the included angle 23 is arranged in an arc structure as shown in figures 2 and 3. The contained angle 23 that the arc structure set up adds man-hour, can play the effect of smooth machined surface, avoids soft rubber machined surface to appear the uneven tear form condition to can also improve cutting blade 2's intensity, the live time of extension blade. The shape of the included angle 23, for example, the included angle 23 is set at an acute angle or an obtuse angle, the included angle 23 is a knife tip, preferably, the two angles of the main deflection angle 26 and the auxiliary deflection angle 27 are crossed to form a V-shaped knife tip, the knife tip is ground into an arc shape, preferably, an arc shape, and the radius of the arc is not more than 0.8 mm.
As an alternative embodiment, as shown in fig. 4 and 5, a land 24 for increasing the toughness of the cutting insert 2 is provided on the non-cutting side edge of the main cutting edge 21 and/or the minor cutting edge 22. The land 24 has a small land relief angle 241 of, for example, 0 ° to 1 ° and a width of 0.5mm or less, and the small land relief angle 241 is a small land relief angle obtained by grinding the land in addition to the relief angle. The land 24 is intended to improve the strength of the main cutting edge 21 and/or the sub cutting edge 22, to maintain the sharpness of the cutting edge, to prevent the cutting edge from being too weak to cause chipping due to pursuit of the sharpness of the tool, and to further improve the service life of the tool.
As an alternative embodiment, the included angle 23 is set at an acute or obtuse angle, as shown in fig. 2 and 3. The included angle 23 is a tool tip, for example, a tool tip in a V shape formed by intersecting two angles of the main deflection angle 26 and the auxiliary deflection angle 27, and the tool tip is ground into an arc shape, preferably an arc shape, and the radius of the arc is less than 0.4 mm. The included angle of the V-shaped tool tip is preferably arranged in an obtuse angle mode, such as 100 degrees, the length of the main cutting edge can be selected to be 20-22mm, the length of the auxiliary cutting edge can be selected to be 11mm, the included angle is preferably arranged in an obtuse angle mode, for example, the included angle is 100 degrees, and when a turning tool for cutting and processing soft rubber is used for turning for a period of time and the cutting edge is worn and cannot be used normally, the turning tool can be recycled after being polished.
As an optional embodiment, the non-cutting side surfaces of the main cutting edge 21 and the secondary cutting edge 22 intersect to form a chip removal groove 25 for removing chips, and the cutter body 1 is also provided with a groove in a structure matched with the chip removal groove 25 at a corresponding position, so that the cut soft rubber strip 31 can be removed smoothly.
As shown in fig. 1, the working principle is as follows: the cut soft rubber strip 31 generated when the soft rubber roller 3 is cut is directly removed through the chip groove 25, the cut soft rubber strip 31 is prevented from influencing the cutting efficiency of the main cutting edge 21 or the auxiliary cutting edge 22, and it is noted that the edge of the non-cutting side surface of the main cutting edge 21 and the auxiliary cutting edge 22 is provided with the edge band 24.
As an alternative embodiment, as shown in fig. 1 to 4, in order to further improve the cutting efficiency and the strength of the main cutting edge 21 and the minor cutting edge 22, the following angles are set as follows:
the main deflection angle of the main cutting edge 21 is 45-80 degrees, the front angle is 45-59 degrees, and the rear angle 29 is 3-7 degrees;
the major rake angle of the minor cutting edge 22 is 3 to 45 °, the rake angle is 45 to 59 °, and the relief angle 29 is 3 to 7 °.
As an alternative embodiment, the angle 28 of the wedge formed by the intersection of the rake and relief angles 29 of the main cutting edge 21 and/or the minor cutting edge 22 is 31 ° to 45 °.
The wedge angle is set, for example, when the machine tool rotates at 200-1000 revolutions, the cutting depth is greater than 0.5mm, and the feed amount is 0.1-1 mm/revolution, the turned soft rubber strip 31 can be smoothly discharged from the chip groove 25 of the cutter body 1, so that winding on the processing surface of the soft rubber roller is avoided, and the turned processing surface is smooth and flat.
As an alternative embodiment, the cutting insert 2 is made of a superhard material. The purpose is that the soft rubber can be turned in an environment-friendly manner without using a cooling liquid, the generation of chip collecting tumors is avoided, the turning work efficiency is not affected, the heat conductivity of the white steel is poor, and the blade is easy to anneal at high temperature and the turned rubber residues form chip collecting tumors.
On the other hand, the lathe is used for processing soft rubber with the Shore hardness of 15-55 degrees, and is provided with a turning tool for cutting and processing the soft rubber partially or totally. The blank of processing soft rubber with the Shore hardness of 15-55 degrees is made up, the processing precision is ensured, and the phenomenon of uneven tearing on the surface of a rubber processing piece is avoided.
In another aspect, there is provided a turning tool processing method for cutting soft rubber, the method including:
s1, selecting a superhard material with high thermal conductivity, high hardness and high wear resistance, and processing the superhard material into a cutting blade by cutting, milling, wire cutting, grinding or precision die forming and the like, wherein a main cutting edge and an auxiliary cutting edge are adjacently arranged on the cutting blade, for example, the main cutting edge and the auxiliary cutting edge are processed into a V-shaped structure, and an included angle arranged in an arc structure is formed between the main cutting edge and the auxiliary cutting edge;
and S2, turning a margin on the non-cutting side surface of the main cutting edge and/or the secondary cutting edge. The strength of the main cutting edge and the auxiliary cutting edge is improved, the sharpness of the cutting edge can be maintained, the situation of opening breakage caused by the fact that the cutting edge is too weak due to the pursuit of the sharpness of the cutter is avoided, and the service life of the cutter is further prolonged;
s3, machining the main cutting edge, wherein the main deflection angle is 45-80 degrees, the front angle is 45-59 degrees, and the rear angle is 3-7 degrees;
the main deflection angle for processing the auxiliary cutting edge is 3-45 degrees, the front angle is 45-59 degrees, and the rear angle is 3-7 degrees;
the wedge angle formed by the intersection of the front angle and the rear angle of the main cutting edge and the auxiliary cutting edge is 31-45 degrees, the wedge angle has the function of removing chips in an aspect manner, and finally the cutting blade is formed, so that the machining precision is met;
s4, connecting the cutting blade and the alloy cutter body into a whole by adopting a vacuum welding or low-temperature bonding process, wherein a preferable turning tool is arranged at one end of the top surface of the cutter body;
s5: and turning a chip groove at a position, corresponding to the non-cutting side surfaces of the main cutting edge and the auxiliary cutting edge, on the alloy cutter body, wherein the chip groove is matched with a wedge angle of the cutting blade, so that the cut soft rubber strip can be effectively discharged.
The method and the product provided by the utility model are introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for a person skilled in the art, without departing from the inventive concept of the present invention, several improvements and modifications can be made to the invention, and these improvements and modifications also fall within the scope of the claims of the invention.
Claims (9)
1. A turning tool for cutting soft rubber, comprising a tool body (1) and a cutting blade (2) arranged on the top surface of the tool body (1), wherein:
the cutter body (1) is used for being mounted on a lathe and can fix the cutting blade (2);
cutting blade (2) for process soft rubber, the adjacent main cutting edge (21) and vice cutting edge (22) that are provided with on cutting blade (2), main cutting edge (21) with vice cutting edge (22) are formed with contained angle (23), contained angle (23) set up with the arc structure.
2. The turning tool according to claim 1, characterized in that a land (24) for increasing the strength of the cutting insert (2) is provided at the non-cutting side of the main cutting edge (21) and the secondary cutting edge (22).
3. The turning tool according to claim 2, characterized in that the width of the land (24) is below 0.5mm and is provided with a small land relief angle (241) of 0 ° to 1 °.
4. The turning tool according to claim 1, characterized in that the included angle (23) is arranged at an acute or obtuse angle.
5. The turning tool according to claim 1, characterized in that the non-cutting sides of the main cutting edge (21) and the secondary cutting edge (22) and the alloy body intersect to form a chip groove (25) for chip removal.
6. The turning tool for cutting soft rubber according to any one of claims 1 to 5, wherein the major cutting edge (21) has a major cutting angle of 45 ° to 80 °, a rake angle of 45 ° to 59 °, and a relief angle (29) of 3 ° to 7 °;
the main deflection angle of the auxiliary cutting edge (22) is 3-45 degrees, the front angle is 45-59 degrees, and the rear angle (29) is 3-7 degrees.
7. The turning tool according to claim 6, characterized in that the intersection of the rake and relief angles (29) of the main cutting edge (21) and/or the minor cutting edge (22) forms a wedge angle (28) of 31-45 °.
8. The turning tool according to claim 1, characterized in that the cutting insert (2) is made of a superhard material.
9. A lathe for processing soft rubber with shore hardness of 15 ° to 55 °, characterized in that a turning tool for cutting soft rubber according to any one of claims 1 to 8 is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021496075.0U CN212551773U (en) | 2020-07-24 | 2020-07-24 | Lathe tool for cutting soft rubber and lathe thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021496075.0U CN212551773U (en) | 2020-07-24 | 2020-07-24 | Lathe tool for cutting soft rubber and lathe thereof |
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| CN212551773U true CN212551773U (en) | 2021-02-19 |
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| CN202021496075.0U Active CN212551773U (en) | 2020-07-24 | 2020-07-24 | Lathe tool for cutting soft rubber and lathe thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730078A (en) * | 2020-07-24 | 2020-10-02 | 黄健 | Turning tool for cutting soft rubber, preparation method thereof and lathe |
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2020
- 2020-07-24 CN CN202021496075.0U patent/CN212551773U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730078A (en) * | 2020-07-24 | 2020-10-02 | 黄健 | Turning tool for cutting soft rubber, preparation method thereof and lathe |
| CN111730078B (en) * | 2020-07-24 | 2024-08-27 | 黄健 | Lathe tool for cutting soft rubber, preparation method thereof and lathe |
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