CN219503739U - Inner hole turning tool - Google Patents
Inner hole turning tool Download PDFInfo
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- CN219503739U CN219503739U CN202320700433.2U CN202320700433U CN219503739U CN 219503739 U CN219503739 U CN 219503739U CN 202320700433 U CN202320700433 U CN 202320700433U CN 219503739 U CN219503739 U CN 219503739U
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- turning
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- 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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Abstract
The utility model discloses an inner hole turning tool, which is used for realizing cutting of a hard cortex and the rest through matching a hard cortex cutting tool tip on a double-tooth tool bit with a rest cutting tool tip in a primary feeding process without secondary feeding. The cutter is characterized by comprising a double-tooth cutter head, a screw countersink, a turning cutter bar, a cutting fluid guide channel, a fastening screw, a residual cutting cutter tip, a hard cortex cutting cutter tip, a chip breaking groove, a liquid outlet channel, a screw hole and a cutter head mounting groove, wherein one end of the turning cutter bar is provided with the cutter head mounting groove, the bottom of the cutter head mounting groove is provided with the screw hole, the other end of the turning cutter bar is of a rectangular structure, the thickness of the other end of the turning cutter bar is greater than that of one end of the turning cutter bar, the double-tooth cutter head is provided with the screw countersink corresponding to the screw hole, one end of the double-tooth cutter head is arranged in the cutter head mounting groove through the fastening screw matched with the screw hole and the screw countersink, and the other end of the double-tooth cutter head is provided with the residual cutting cutter tip.
Description
Technical Field
The utility model relates to a tool for turning a through hole, which belongs to the technical field of machining, and particularly relates to a tool for turning a through hole, which can realize cutting of a hard skin layer and cutting of the rest amount by one-time cutting without secondary cutting and boring when the through hole with the hard skin layer is subjected to rough machining.
Background
The inner hole turning is also called boring, the inner hole of a workpiece is enlarged or the inner surface of a hollow workpiece is machined by a turning method, the boring machine is mainly used for rough machining and finish machining of a through hole or a blind hole, when the boring machine is used for boring, the semi-machining or rough machining of the through hole is low in machining precision requirement, the machining speed requirement is high, besides the finish machining allowance, all the allowance is cut off as far as possible by one-time feeding, but when a cast forging with a hard skin on the surface layer is cut by the existing through hole boring tool, in order to protect a tool bit, the hard skin on the surface of the inner hole needs to be cut off firstly, the tool bit is prevented from being stretched due to too thick cutting during boring, the cutting amount of one-time feeding is insufficient, the aperture is not required, secondary cutting is required after the tool withdrawal, the boring speed is low, and the rough machining of each casting needs to be carried out by two-time feeding, and the energy consumption is high.
Disclosure of Invention
In order to improve the situation, the utility model provides the inner hole turning tool, which is used for cutting the hard skin and the surplus in the primary feeding process by matching the hard skin cutting tip on the double-tooth tool bit with the surplus cutting tip, and the turning tool does not need to carry out secondary feeding.
The inner hole turning cutter is realized by the following steps: the utility model relates to an inner hole turning tool which consists of a double-tooth tool bit, a screw countersunk hole, a turning tool bar, a cutting fluid flow guide channel, a fastening screw, a residual cutting tool tip, a hard cortex cutting tool tip, a chip breaker, a liquid outlet channel, a screw hole and a tool bit mounting groove, wherein one end of the turning tool bar is provided with the tool bit mounting groove, the bottom of the tool bit mounting groove is provided with the screw hole,
preferably, the other end of the turning cutter bar is of a rectangular structure, the thickness of the other end of the turning cutter bar is larger than that of one end of the turning cutter bar,
the double-tooth cutter head is provided with a screw countersunk head hole corresponding to the screw hole, one end of the double-tooth cutter head is arranged in the cutter head mounting groove through the fastening screw matched with the screw hole and the screw countersunk head hole,
the other end of the double-tooth cutter head is provided with a margin cutting cutter point, the other end of the double-tooth cutter head is provided with a hard skin layer cutting cutter point,
preferably, the margin cutting tip and the hard skin layer cutting tip are arranged on the double-tooth cutter head side by side, the length of the margin cutting tip is longer than that of the hard skin layer cutting tip,
preferably, the allowance cutting tool tip, the hard skin layer cutting tool tip and the double-tooth tool tip are in an integrated structure,
the double-tooth cutter head is provided with a chip breaker groove,
preferably, the chip breaker is a chute, a plurality of chip breakers are arranged, the plurality of chip breakers are equidistantly arranged along the length direction of the double-tooth cutter head,
a cutting fluid guide channel is arranged in the turning cutter bar,
preferably, the width of the cutting fluid diversion channel gradually increases from one end to the other end,
preferably, one end of the cutting fluid diversion channel is flush with the other end of the turning cutter bar, the other end of the cutting fluid diversion channel extends towards one end of the turning cutter bar,
a liquid outlet passage is arranged in the turning cutter bar, one end of the liquid outlet passage is communicated with the cutting liquid diversion passage, the other end of the liquid outlet passage obliquely penetrates through the surface of the turning cutter bar,
preferably, the number of the liquid outlet channels is multiple, and the liquid outlet channels are equidistantly arranged along the width direction of the turning cutter bar;
further, the other end of the turning cutter bar is provided with anti-slip grooves, the anti-slip grooves are inclined grooves, two groups of anti-slip grooves are arranged, the two groups of anti-slip grooves are respectively positioned at two sides of the turning cutter bar, one group of anti-slip grooves is provided with a plurality of anti-slip grooves, and a plurality of anti-slip grooves in the same group are equidistantly arranged along the length direction of the turning cutter bar;
further, the other end of the turning cutter bar is provided with two groups of positioning grooves, the two groups of positioning grooves are respectively positioned at two sides of the turning cutter bar, one group of positioning grooves is provided with a plurality of positioning grooves, and a plurality of positioning grooves in the same group are equidistantly arranged along the length direction of the turning cutter bar;
further, cutter bar reinforcing ribs are arranged on the turning cutter bar, the plurality of cutter bar reinforcing ribs are arranged in an equidistant mode along the length direction of the turning cutter bar, and the length of the cutter bar reinforcing ribs is smaller than the width of the turning cutter bar.
Advantageous effects
1. The through hole of the casting and forging piece with the hard skin on the cutting surface layer can be roughly machined.
2. The cutting of the hard skin layer and the cutting of the residual quantity can be simultaneously realized by one-time feeding, and secondary feeding boring is not needed.
3. Simple structure, convenience and practicality.
4. Low cost and convenient popularization.
Drawings
FIG. 1 is a perspective view of an inner bore turning tool according to the present utility model;
FIG. 2 is a schematic structural view of an inner bore turning tool of the present utility model showing only the structure of the cutting fluid flow passage;
FIG. 3 is a schematic view of the structure of an inner bore turning tool of the present utility model showing only the structure at the bit mounting slot;
FIG. 4 is a schematic view showing the structure of an embodiment 2 of an inner hole turning tool according to the present utility model;
FIG. 5 is a schematic view showing the structure of an embodiment 3 of an inner hole turning tool according to the present utility model;
fig. 6 is a schematic structural view of an embodiment 4 of an inner hole turning tool according to the present utility model.
Drawings
Wherein the method comprises the following steps: the double-tooth cutter head 1, a screw countersunk hole 2, a turning cutter bar 3, a cutting fluid guide channel 4, a fastening screw 5, a residual cutting tip 6, a hard cortex cutting tip 7, a chip breaker 8, a liquid channel 9, a screw hole 10, a cutter head mounting groove 11, an anti-slip groove 12, a positioning groove 13 and a cutter bar reinforcing rib 14.
Detailed Description
Example 1
The utility model relates to an inner hole turning tool which consists of a double-tooth tool bit 1, a screw countersunk hole 2, a turning tool bar 3, a cutting fluid flow guide channel 4, a fastening screw 5, a residual cutting tool tip 6, a hard cortex cutting tool tip 7, a chip breaker groove 8, a liquid outlet channel 9, a screw hole 10 and a tool bit mounting groove 11, wherein one end of the turning tool bar 3 is provided with the tool bit mounting groove 11, the bottom of the tool bit mounting groove 11 is provided with the screw hole 10,
preferably, the other end of the turning cutter bar 3 is in a rectangular structure, the thickness of the other end of the turning cutter bar 3 is larger than that of one end of the turning cutter bar 3,
the double-tooth cutter head 1 is provided with a screw countersunk head hole 2 corresponding to the screw hole 10, one end of the double-tooth cutter head 1 is arranged in the cutter head mounting groove 11 through the fastening screw 5 matched with the screw hole 10 and the screw countersunk head hole 2,
the other end of the double-tooth cutter head 1 is provided with a margin cutting cutter tip 6, the other end of the double-tooth cutter head 1 is provided with a hard cortex cutting cutter tip 7,
preferably, the margin cutting tip 6 and the hard skin layer cutting tip 7 are arranged on the double-tooth cutter head 1 side by side, the length of the margin cutting tip 6 is longer than that of the hard skin layer cutting tip 7,
preferably, the hard skin layer cutting tip 7 is positioned in front of the surplus cutting tip 6, and when the depth cutting is performed, the hard skin layer cutting tip 7 firstly cuts the hard skin layer on the surface of the hole wall, then the surplus cutting tip 6 performs the surplus cutting,
preferably, the margin cutting tip 6 and the hard skin layer cutting tip 7 and the double-tooth cutter head 1 are integrally formed,
the double-tooth cutter head 1 is provided with a chip breaker groove 8,
preferably, the chip breaker grooves 8 are inclined grooves, a plurality of chip breaker grooves 8 are arranged, the plurality of chip breaker grooves 8 are equidistantly arranged along the length direction of the double-tooth cutter head 1,
a cutting fluid guide channel 4 is arranged in the turning cutter bar 3,
preferably, the width of the cutting fluid guiding channel 4 gradually increases from one end to the other end,
preferably, one end of the cutting fluid diversion channel 4 is flush with the other end of the turning cutter bar 3, the other end of the cutting fluid diversion channel 4 extends towards one end of the turning cutter bar 3,
a liquid outlet channel 9 is arranged in the turning cutter bar 3, one end of the liquid outlet channel 9 is communicated with the cutting liquid diversion channel 4, the other end of the liquid outlet channel 9 obliquely penetrates through the surface of the turning cutter bar 3,
preferably, the number of the liquid outlet channels 9 is plural, and the plurality of the liquid outlet channels 9 are equidistantly arranged along the width direction of the turning cutter bar 3;
when the boring machine is used, when a forging casting with the surface of a hard skin layer is required to be bored, the other end of the turning cutter bar 3 is arranged on a lathe fixture, a hard skin layer cutting tip 7 on the double-tooth cutter head 1 is firstly contacted with the inner hole wall of the forging casting, a lathe is started to cut, the hard skin layer cutting tip 7 firstly cuts the hard skin layer on the inner hole surface of the forging casting, then the rest cutting tip 6 cuts the rest, secondary feed boring is not required, and in the cutting process, cutting fluid flows out from a liquid outlet channel 9 through a cutting fluid guide channel 4 to cool and lubricate the cutter head;
example 2
This embodiment differs from embodiment 1 in that: the other end of the turning cutter bar 3 is provided with anti-slip grooves 12, the anti-slip grooves 12 are inclined grooves, two groups of the anti-slip grooves 12 are arranged, the two groups of the anti-slip grooves 12 are respectively positioned on two sides of the turning cutter bar 3, one group of the anti-slip grooves 12 is provided with a plurality of anti-slip grooves 12, and the plurality of anti-slip grooves 12 in the same group are equidistantly arranged along the length direction of the turning cutter bar 3; when the anti-slip concave hole is used, the friction force of the turning cutter bar 3 can be increased, and the cutter is prevented from slipping off, damaging a bed rail or being damaged when the cutter is taken under the lubrication influence of cutting fluid after cutting is completed;
example 3
This embodiment differs from embodiment 1 in that: the other end of the turning cutter bar 3 is provided with two groups of positioning grooves 13, the two groups of positioning grooves 13 are respectively positioned at two sides of the turning cutter bar 3, one group of positioning grooves 13 is provided with a plurality of positioning grooves, the plurality of positioning grooves 13 in the same group are equidistantly arranged along the length direction of the turning cutter bar 3, and the positioning grooves 13 are of a circular structure; when the clamping bolt is used, the clamping bolt can be inserted into the positioning groove 13 to limit the turning cutter bar 3 in the process of tightly clamping the turning cutter handle by screwing the clamping bolt, so that the influence of cutter bar deflection on the turning of an inner hole is avoided;
example 4
This embodiment differs from embodiment 1 in that: the turning cutter bar 3 is provided with a plurality of cutter bar reinforcing ribs 14, the plurality of cutter bar reinforcing ribs 14 are equidistantly arranged along the length direction of the turning cutter bar 3, and the length of the cutter bar reinforcing ribs 14 is smaller than the width of the turning cutter bar 3; when the cutter bar reinforcing rib 14 is used, the strength of the turning cutter bar 3 can be increased, and the turning cutter bar 3 is prevented from being deformed in torsion or even broken due to cutting force in the process of cutting an inner hole by the double-tooth cutter head 1;
the design that the countersunk head holes 2 are matched with the fastening screws 5 and the screw holes 10 to fix the double-tooth cutter head 1 in the cutter head mounting groove 11 can only need to replace the new double-tooth cutter head 1 after the double-tooth cutter head 1 is worn, and the whole cutter is not required to be replaced, so that the processing cost is saved;
the allowance cutting tool nose 6 and the hard skin layer cutting tool nose 7 are arranged on the double-tooth tool nose 1 side by side, the length of the allowance cutting tool nose 6 is longer than that of the hard skin layer cutting tool nose 7, the hard skin layer cutting tool nose 7 can firstly cut the hard skin layer on the inner hole surface of the forging casting during turning, then the allowance cutting tool nose 6 carries out the rest cutting, the primary feeding reaches the cutting requirement, the secondary feeding boring is not needed, and the machining speed is improved;
the number of the chip breakers 8 is a plurality of the inclined grooves, and the chip breakers 8 are arranged in an equidistant manner along the length direction of the double-tooth cutter head 1, so that excessively short broken chips can be blocked into the chip breakers 8 in the double-cutting process of the double-tooth cutter head 1 on an inner hole, and the damage to a cutter caused by the increased risk of chip blockage when the broken chips are extruded to the surface of the machined inner hole part is avoided;
the number of the liquid outlet channels 9 is multiple, and the liquid outlet channels 9 are arranged in an equidistant manner along the width direction of the turning cutter bar 3; the liquid outlet range of the cutting liquid can be enlarged, the contact area between the cutting liquid and the double-tooth cutter head 1 is increased, and the cooling and lubricating effects of the cutting liquid are improved;
the aim of cutting the hard cortex and the surplus can be achieved in the primary feeding process by matching the hard cortex cutting tip 7 on the double-tooth cutter head 1 with the surplus cutting tip 6, and secondary feeding is not needed.
It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, a fixed connection such as a hemmed connection, a rivet connection, a pin connection, an adhesive connection, a welded connection, a detachable connection such as a threaded connection, a snap connection, a hinge connection, or an integral connection, an electrical connection, or a direct connection, or an indirect connection via an intermediate medium, or may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It should be further noted that, when the foregoing specific embodiments are described, only the differences from other embodiments are described for simplicity and clarity, but those skilled in the art will appreciate that the foregoing specific embodiments are also independent solutions.
Claims (10)
1. An inner hole turning cutter is characterized in that: the cutting tool comprises a double-tooth tool bit, a screw countersink, a turning tool bar, a cutting fluid guide channel, a fastening screw, a residual cutting tool tip, a hard skin cutting tool tip, a chip breaker, a liquid outlet channel, screw holes and a tool bit mounting groove, wherein one end of the turning tool bar is provided with the tool bit mounting groove, the bottom of the tool bit mounting groove is provided with the screw hole, one end of the double-tooth tool bit is provided with the screw countersink corresponding to the screw hole, the screw countersink is matched with the screw hole and the screw countersink through the fastening screw, the other end of the double-tooth tool bit is provided with the residual cutting tool tip, the other end of the double-tooth tool bit is provided with the hard skin cutting tool tip, the double-tooth tool bit is provided with the chip breaker, the turning tool bar is internally provided with the cutting fluid guide channel, the turning tool bar is internally provided with the liquid outlet channel, one end of the liquid outlet channel is communicated with the cutting fluid guide channel, and the other end of the liquid outlet channel obliquely penetrates the surface of the turning tool bar.
2. The inner hole turning tool as set forth in claim 1, wherein the other end of the turning bar is provided with a plurality of anti-slip grooves, the anti-slip grooves are provided with a chute, the two sets of anti-slip grooves are respectively positioned at two sides of the turning bar, one set of anti-slip grooves is provided with a plurality of anti-slip grooves, and the plurality of anti-slip grooves in the same set are equidistantly arranged along the length direction of the turning bar.
3. The inner hole turning tool as set forth in claim 1, wherein the other end of the turning tool bar is provided with two sets of positioning grooves, the two sets of positioning grooves are respectively located at two sides of the turning tool bar, one set of positioning grooves is provided with a plurality of positioning grooves, and the plurality of positioning grooves in the same set are equidistantly arranged along the length direction of the turning tool bar.
4. The inner hole turning tool as set forth in claim 1, wherein a plurality of bar reinforcing ribs are provided on the turning bar, the plurality of bar reinforcing ribs being arranged equidistantly along a length direction of the turning bar, a length of the bar reinforcing ribs being smaller than a width of the turning bar.
5. The inner hole turning tool as set forth in claim 1, wherein the other end of the turning bar is rectangular in configuration, and the thickness of the other end of the turning bar is greater than the thickness of the one end of the turning bar.
6. The hole turning tool of claim 1, wherein the margin cutting tip and the hard skin cutting tip are disposed side-by-side on a double tooth tip, the margin cutting tip having a length greater than the length of the hard skin cutting tip.
7. An inner bore turning tool as claimed in claim 1 or 6, wherein the margin and hard skin cutting tips and double tooth tips are of unitary construction.
8. The tool for turning inner holes of claim 1, wherein said chip breaker is a chute, a plurality of said chip breakers being provided, a plurality of said chip breakers being equally spaced along the length of the double-bladed tool.
9. An inner bore turning tool as claimed in claim 1, wherein the cutting fluid flow passage increases in width from one end to the other, one end of the cutting fluid flow passage being flush with the other end of the turning bar, the other end of the cutting fluid flow passage extending toward one end of the turning bar.
10. The tool of claim 1, wherein a plurality of said fluid passages are provided, said plurality of fluid passages being equally spaced along the width of the tool shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320700433.2U CN219503739U (en) | 2023-04-03 | 2023-04-03 | Inner hole turning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320700433.2U CN219503739U (en) | 2023-04-03 | 2023-04-03 | Inner hole turning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219503739U true CN219503739U (en) | 2023-08-11 |
Family
ID=87526174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320700433.2U Active CN219503739U (en) | 2023-04-03 | 2023-04-03 | Inner hole turning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219503739U (en) |
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2023
- 2023-04-03 CN CN202320700433.2U patent/CN219503739U/en active Active
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