CN210451026U - Lathe tool capable of realizing repeated grinding and using without centering - Google Patents
Lathe tool capable of realizing repeated grinding and using without centering Download PDFInfo
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- CN210451026U CN210451026U CN201921165606.5U CN201921165606U CN210451026U CN 210451026 U CN210451026 U CN 210451026U CN 201921165606 U CN201921165606 U CN 201921165606U CN 210451026 U CN210451026 U CN 210451026U
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Abstract
A lathe tool capable of realizing repeated grinding and using without centering is characterized by comprising a main body and a tool bit arranged at the front end of the main body; the cross section of the main body is rectangular, one side surface is inwards sunken to form a step part, the surface of the step part is a datum plane, and the datum plane is provided with a plurality of fixing bolt holes perpendicular to the datum plane; the step part is provided with a detachable gasket, and the gasket is fixedly connected with the main body through a fixing bolt in the fixing bolt hole; the tool bit is provided with a first cutting edge and a buffer platform which are connected in sequence from outside to inside; the cross section of the first cutting edge is trapezoidal, and the width of the cross section is gradually reduced from outside to inside; the longitudinal section of the first cutting edge is triangular, and the height of the longitudinal section is gradually reduced from outside to inside; the buffer table is positioned at the inner end of the first cutting edge, the cross section of the buffer table is rectangular, and the width of the cross section is greater than that of the outermost cross section of the first cutting edge; the longitudinal section of the buffer platform is triangular, and the height of the longitudinal section is gradually reduced from outside to inside.
Description
Technical Field
The utility model relates to a lathe tool, especially a can realize grinding used repeatedly many times and need not to the lathe tool that the center is high.
Background
The general lathe tool can be ground for 2-3 times, and by adjusting the side rear angle of the cutter, the grinding times of the formed cutter can be improved, and the use cost of the cutter of a customer is reduced. After grinding of an original turning tool, the end face of a workpiece is generally turned, and the center height of the tool, especially a small-diameter workpiece, is adjusted according to the condition of a residual cylinder. This adversely affects the efficiency of the turning work, and further improvement is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lathe tool which can be repeatedly grinded and reused without the need of high center, and the cost of the lathe tool can be reduced; and the center height of the cutter does not need to be adjusted, so that the equipment downtime is reduced, and the production efficiency is improved.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a lathe tool which can realize repeated use of multiple grinding and does not need to be high in center comprises a main body and a tool bit arranged at the front end of the main body;
the cross section of the main body is rectangular, one side surface is inwards sunken to form a step part, the surface of the step part is a datum plane, and the datum plane is provided with a plurality of fixing bolt holes perpendicular to the datum plane; the step part is provided with a detachable gasket, and the gasket is fixedly connected with the main body through a fixing bolt in the fixing bolt hole;
the tool bit is provided with a first cutting edge and a buffer platform which are connected in sequence from outside to inside; the cross section of the first cutting edge is trapezoidal, and the width of the cross section is gradually reduced from outside to inside; the longitudinal section of the first cutting edge is triangular, and the height of the longitudinal section is gradually reduced from outside to inside; the buffer table is positioned at the inner end of the first cutting edge, the cross section of the buffer table is rectangular, and the width of the cross section is greater than that of the outermost cross section of the first cutting edge; the longitudinal section of the buffer table is triangular, and the height of the longitudinal section is gradually reduced from outside to inside; a second cutting edge is further arranged between the buffer table and the front end of the main body, the cross section of the second cutting edge is in an inverted L shape, and the width of the cross section is larger than that of the cross section of the buffer table; the longitudinal section of the second cutting edge is triangular, and the height of the longitudinal section is gradually increased from outside to inside.
Furthermore, the other side opposite to the reference surface is provided with a positioning groove extending along the length direction of the main body and used for conveniently positioning when a cutter is installed and clamped, and the axis of the fixing bolt hole is positioned in the positioning groove.
Furthermore, the joint of the first cutting edge and the buffer table, the joint of the buffer table and the second cutting edge, and both sides of the outer end of the second cutting edge are provided with chamfer edges.
Further, when the turning tool is horizontally placed, an included angle between the top surface of the first cutting edge and the horizontal plane is 15 degrees, and an included angle between the outer side surface of the first cutting edge and the vertical direction is 6 degrees.
Furthermore, the included angle between the top surface of the buffer table and the horizontal plane is 25 degrees, and the included angle between the top surface of the second cutting edge and the horizontal plane is 30 degrees.
Further, an included angle between two side edges of the cross section of the first cutting edge is 30 degrees.
The utility model has the advantages that: the utility model discloses the lathe tool need not adjustment center height through the structural design of interchangeable formula gasket after the cutter exchanges, can increase and grind the number of times, reduces cutter use cost, improves machining efficiency.
Drawings
Fig. 1 is the utility model discloses realize grinding used repeatedly and need not the front view to the lathe tool that the center is high many times.
Fig. 2 is the utility model discloses realize many times grinding used repeatedly and need not the top view to the lathe tool that the center is high.
Fig. 3 is an enlarged schematic view at the head of fig. 2.
Fig. 4 is the utility model discloses realize grinding used repeatedly and need not the operating condition schematic diagram to the lathe tool that the center is high many times.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1-4, the utility model provides a lathe tool which can be repeatedly used without centering, comprising a main body 1 and a tool bit 2 at the front end of the main body 1.
The main body 1 has a rectangular cross section, one side surface is recessed inwards to form a step part 11, the surface of the step part 11 is a reference surface, and the reference surface S is provided with a plurality of fixing bolt holes 12 perpendicular to the reference surface S. The step 11 is provided with a detachable pad 3, and the pad 3 is fixedly connected with the main body 1 through a fixing bolt in the fixing bolt hole 12.
The cutting head 2 has a first cutting edge 21 and a buffer table 22 connected in sequence from the outside to the inside. The first cutting edge 21 has a trapezoidal cross section, and the width of the cross section is gradually reduced from the outside to the inside. The first cutting edge 21 has a triangular longitudinal section, and the height of the longitudinal section is gradually reduced from the outside to the inside. The buffer table 22 is located at the inner end of the first cutting edge 21, and has a rectangular cross section, and the width of the cross section is greater than that of the outermost end of the first cutting edge 21. The longitudinal section of the buffer table 22 is triangular, and the height of the longitudinal section is gradually reduced from outside to inside. The utility model discloses the lathe tool main part is equipped with can dismantle gasket 3, and the size of grinding with tool bit 2 corresponds, makes it need not be high to the center, for example grinds cutting edge 0.2mm or 0.2mm multiple at every turn, corresponds the gasket that increases 0.2 mm's the number that corresponds. In order to avoid that the first cutting edge 21 (long cutting edge) is too long and affects the overall core height of the tool, a stepped design is adopted. A second cutting edge 23 is further disposed between the buffering table 22 and the front end of the main body 1, the cross section of the second cutting edge 23 is of an inverted L shape, and the width of the cross section is greater than that of the buffering table 23. The second cutting edge 23 has a triangular longitudinal section, and the height of the longitudinal section is gradually increased from the outside to the inside.
The other side opposite to the reference surface S is provided with a positioning groove 13 extending along the length direction of the main body 1, and the axis of the fixing bolt hole 12 is positioned in the positioning groove 13. The utility model discloses the lathe tool front end adopts carbide welding tool bit, and the constant head tank of setting is convenient to be fixed a position.
As shown in fig. 3 and 4, the chamfer edges 4 are disposed at the joint of the first cutting edge 21 and the buffer table 22, the joint of the buffer table 22 and the second cutting edge 23, and both sides of the outer end of the second cutting edge 23, so as to directly process chamfers.
Specifically, when the turning tool is horizontally placed, an included angle between the top surface of the first cutting edge 21 and the horizontal plane is 15 degrees, and an included angle between the outer side surface of the first cutting edge 21 and the vertical direction is 6 degrees. The included angle between the top surface of the buffering table 22 and the horizontal plane is 25 degrees, and the included angle between the top surface of the second cutting edge 23 and the horizontal plane is 30 degrees. The first cutting edge 21 has a cross-section with two sides at an angle of 30 degrees.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. The present invention can be modified in many ways without departing from the spirit and scope of the present invention, and those skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. A lathe tool capable of realizing repeated grinding and using without centering is characterized by comprising a main body and a tool bit arranged at the front end of the main body;
the cross section of the main body is rectangular, one side surface is inwards sunken to form a step part, the surface of the step part is a datum plane, and the datum plane is provided with a plurality of fixing bolt holes perpendicular to the datum plane; the step part is provided with a detachable gasket, and the gasket is fixedly connected with the main body through a fixing bolt in the fixing bolt hole;
the tool bit is provided with a first cutting edge and a buffer platform which are connected in sequence from outside to inside; the cross section of the first cutting edge is trapezoidal, and the width of the cross section is gradually reduced from outside to inside; the longitudinal section of the first cutting edge is triangular, and the height of the longitudinal section is gradually reduced from outside to inside; the buffer table is positioned at the inner end of the first cutting edge, the cross section of the buffer table is rectangular, and the width of the cross section is greater than that of the outermost cross section of the first cutting edge; the longitudinal section of the buffer table is triangular, and the height of the longitudinal section is gradually reduced from outside to inside;
a second cutting edge is arranged between the buffer table and the front end of the main body, the cross section of the second cutting edge is in an inverted L shape, and the width of the cross section is larger than that of the cross section of the buffer table; the longitudinal section of the second cutting edge is triangular, and the height of the longitudinal section is gradually increased from outside to inside.
2. The turning tool capable of realizing multiple grinding and repeated use without centering according to claim 1, characterized in that: and a positioning groove extending along the length direction of the main body is arranged on the other surface opposite to the reference surface, and the axis of the fixing bolt hole is positioned in the positioning groove.
3. The turning tool capable of realizing multiple grinding and repeated use without centering according to claim 1, characterized in that: the first cutting edge and the junction of cushion table, the cushion table with the junction of second cutting edge, second cutting edge outer end both sides all are equipped with the chamfer sword.
4. The turning tool capable of realizing multiple grinding and repeated use without centering according to claim 1, characterized in that: when the turning tool is horizontally placed, the included angle between the top surface of the first cutting edge and the horizontal plane is 15 degrees, and the included angle between the outer side surface of the first cutting edge and the vertical direction is 6 degrees.
5. The turning tool capable of realizing multiple grinding and repeated use without centering according to claim 4, characterized in that: the included angle between the top surface of buffer station and the horizontal plane is 25 degrees, the included angle between the top surface of second cutting edge and the horizontal plane is 30 degrees.
6. The turning tool capable of realizing multiple grinding and repeated use without centering according to claim 1, characterized in that: the included angle between the two side edges of the cross section of the first cutting edge is 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921165606.5U CN210451026U (en) | 2019-07-23 | 2019-07-23 | Lathe tool capable of realizing repeated grinding and using without centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921165606.5U CN210451026U (en) | 2019-07-23 | 2019-07-23 | Lathe tool capable of realizing repeated grinding and using without centering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210451026U true CN210451026U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921165606.5U Active CN210451026U (en) | 2019-07-23 | 2019-07-23 | Lathe tool capable of realizing repeated grinding and using without centering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210451026U (en) |
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2019
- 2019-07-23 CN CN201921165606.5U patent/CN210451026U/en active Active
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