CN211386957U - Compound tool for outer ring machining - Google Patents
Compound tool for outer ring machining Download PDFInfo
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- CN211386957U CN211386957U CN201922283801.4U CN201922283801U CN211386957U CN 211386957 U CN211386957 U CN 211386957U CN 201922283801 U CN201922283801 U CN 201922283801U CN 211386957 U CN211386957 U CN 211386957U
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Abstract
The utility model discloses a compound cutter for processing an outer ring.A positioning pin which is in micro clearance fit with a blade fixing hole is raised on the bottom surface of the front end of a pressing plate, and a screw hole is arranged at the rear end of the pressing plate; the tool bit is provided with two mounting grooves which are inclined and parallel, the depth of the mounting grooves is larger than the thickness of the blade, the shape and the size of the mounting grooves are the same as those of the blade, mounting through holes are formed in the mounting grooves, and the tool bit at the rear end of each mounting groove is provided with a screw mounting hole or a unthreaded hole for mounting a steel wire thread sleeve; the cushion block, the ceramic blade or the hard alloy blade are sequentially arranged in the blade head mounting groove, the press plate positioning pin penetrates through the blade fixing hole, the cushion block mounting hole and the mounting groove mounting through hole, the screw presses and fixes the press plate on the blade head through the press plate screw hole and the screw mounting hole or the steel wire thread sleeve on the blade head, and then the press plate is pressed and fixed on the ceramic blade or the hard alloy blade and the cushion block. The utility model discloses a cutter can accomplish the terminal surface of outer loop and the processing of excircle simultaneously, and no bits phenomenon of twining takes place, and machining efficiency is high.
Description
Technical Field
The utility model relates to a compound tool is used in outer loop processing.
Background
When the CK300 numerically controlled lathe on the outer ring production line is old, the tool turret cannot be used for tool changing and cannot be maintained. The end face position of the A-Entry1.6LCV outer ring is quenched, the actual hardness is HRC 60-64, the outer circle position is not quenched, and the hardness is HRC25 or less. Under the condition that a tool cannot be changed, only a hard turning tool (generally a ceramic blade) can be used for turning the end face and the outer circle of the A-Entry1.6L CV outer ring, and the hard turning tool inevitably has the defect of chip breaking when processing a material with low hardness, low toughness and high toughness, so that the chip winding phenomenon is caused; and because the swarf is also inefficient in turning.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above-mentioned problem that exists among the prior art, provide a composite cutter is used in outer loop processing, two kinds of blades such as hard turning blade of installation and soft turning blade on the cutter arbor of this cutter, the terminal surface of outer loop and the processing of excircle can be accomplished simultaneously to such a cutter, and no bits phenomenon of twining takes place, and machining efficiency is high.
In order to achieve the above object, the technical solution of the present invention is: a composite cutter for processing an outer ring comprises a composite cutter bar, a diamond ceramic blade with a fixed hole and an arc guide angle at the upper end, a diamond hard alloy blade with a fixed hole and an arc guide angle at the upper end, two cushion blocks with the same shape as the blade and provided with mounting holes which are the same as the blade fixed hole and are communicated with the blade fixed hole, and two pressing plates; a positioning pin which is in micro clearance fit with the blade fixing hole is protruded on the bottom surface of the front end of the pressing plate, and a screw hole is formed at the rear end of the pressing plate; the upper end of the cutter bar is provided with a cutter handle, and the lower end of the cutter bar is provided with a cutter head; the cutter head is provided with two mounting grooves which are inclined and parallel, the depth of the mounting grooves is larger than the thickness of the blade, the shape and the size of the mounting grooves are the same as those of the blade, mounting through holes which are the same as and communicated with blade fixing holes are formed in the mounting grooves, and a screw mounting hole which is the same as and communicated with a press plate screw hole or a smooth hole for mounting a steel wire thread sleeve is formed in the cutter head at the rear end of the mounting groove; the cushion block, the ceramic blade or the hard alloy blade are sequentially arranged in the blade head mounting groove, the press plate positioning pin penetrates through the blade fixing hole, the cushion block mounting hole and the mounting groove mounting through hole, the screw presses and fixes the press plate on the blade head through the press plate screw hole and the screw mounting hole or the steel wire thread sleeve on the blade head, and then the press plate is pressed and fixed on the ceramic blade or the hard alloy blade and the cushion block.
Further preferably, the bottom surface of the pressure plate is provided with a reinforcing block in a protruding mode at the position where the screw hole is formed. The crimping strength of the blade can be enhanced.
The utility model discloses both installed ceramic blade (hard turning blade) on the cutter arbor, installed carbide blade (soft turning blade) again, install the handle of a knife on CK300 numerical control lathe's sword tower, the terminal surface of outer loop and the processing of excircle can be accomplished simultaneously to such a cutter, and the soft turning processing of carbide blade outer loop does not carry out quenching treatment than soft excircle, and the no bits phenomenon of twining takes place, shortens 6 seconds process time simultaneously, has improved machining efficiency.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a front view of the present invention;
FIG. 4 is a front view of the cutter bar of the present invention;
FIG. 5 is a schematic view of the three-dimensional structure of the middle tool bar of the present invention;
fig. 6 is a front view of a ceramic or cemented carbide insert according to the present invention;
fig. 7 is a top view of the middle press plate of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments.
As shown in fig. 1 to 7, the present embodiment includes a composite cutter bar 1, a diamond ceramic blade 7 with a fixing hole 12 and an arc lead angle at the upper end, a diamond cemented carbide blade 5 with a fixing hole 12 and an arc lead angle at the upper end, two spacers 6 with the same shape as the blade and having a mounting hole 14 which is the same as the blade fixing hole 12 and is through, and two pressing plates 3. A positioning pin 10 which is in micro clearance fit with the blade fixing hole 12 is protruded on the bottom surface of the front end of the pressing plate 3, and a screw hole 9 is formed at the rear end; preferably, the bottom surface of the pressure plate 3 is provided with a reinforcing block 10 in a protruding mode at the position of the screw hole 9. The upper end of the cutter bar 1 is a cutter handle 2, and the lower end is a cutter head 4. Two installation grooves 15 with the depth larger than the thickness of the blade and the shape and the size the same as the blade are arranged on the tool bit 4 in an inclined and parallel mode, an installation through hole 16 which is the same as and communicated with the blade fixing hole 12 is arranged in the installation groove 15, and a screw installation hole 13 (also can be a smooth hole for installing a steel wire thread insert) which is the same as and communicated with the pressing plate screw hole 9 is arranged on the tool bit 4 at the rear end of the installation groove 15. The cushion block 6, the ceramic blade 7 or the hard alloy blade 5 are sequentially arranged in the blade head mounting groove 15, the press plate positioning pin 11 penetrates through the blade fixing hole 12, the cushion block mounting hole 14 and the mounting groove mounting through hole 16, the screw 8 tightly presses and fixes the press plate 3 on the blade head 4 through the press plate screw hole 9 and the screw mounting hole 13 (also can be a steel wire thread sleeve) on the blade head, and then the press plate 3 tightly presses and fixes the ceramic blade 7 or the hard alloy blade 5 and the cushion block 6.
The above-described embodiments are merely preferred and exemplary and are not intended to limit the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (2)
1. The utility model provides a compound tool is used in outer loop processing which characterized in that: the cutter comprises a composite cutter bar, a diamond ceramic blade with a fixed hole and an arc guide angle at the upper end, a diamond hard alloy blade with a fixed hole and an arc guide angle at the upper end, two cushion blocks with the same shape as the blade and provided with mounting holes which are the same as the blade fixed hole and are communicated with the blade fixed hole, and two pressing plates; a positioning pin which is in micro clearance fit with the blade fixing hole is protruded on the bottom surface of the front end of the pressing plate, and a screw hole is formed at the rear end of the pressing plate; the upper end of the cutter bar is provided with a cutter handle, and the lower end of the cutter bar is provided with a cutter head; the cutter head is provided with two mounting grooves which are inclined and parallel, the depth of the mounting grooves is larger than the thickness of the blade, the shape and the size of the mounting grooves are the same as those of the blade, mounting through holes which are the same as and communicated with blade fixing holes are formed in the mounting grooves, and a screw mounting hole which is the same as and communicated with a press plate screw hole or a smooth hole for mounting a steel wire thread sleeve is formed in the cutter head at the rear end of the mounting groove; the cushion block, the ceramic blade or the hard alloy blade are sequentially arranged in the blade head mounting groove, the press plate positioning pin penetrates through the blade fixing hole, the cushion block mounting hole and the mounting groove mounting through hole, the screw presses and fixes the press plate on the blade head through the press plate screw hole and the screw mounting hole or the steel wire thread sleeve on the blade head, and then the press plate is pressed and fixed on the ceramic blade or the hard alloy blade and the cushion block.
2. The compound tool for outer ring machining according to claim 1, characterized in that: and a reinforcing block is protruded on the bottom surface of the pressure plate at the position of the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922283801.4U CN211386957U (en) | 2019-12-18 | 2019-12-18 | Compound tool for outer ring machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922283801.4U CN211386957U (en) | 2019-12-18 | 2019-12-18 | Compound tool for outer ring machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211386957U true CN211386957U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922283801.4U Active CN211386957U (en) | 2019-12-18 | 2019-12-18 | Compound tool for outer ring machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211386957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751778A (en) * | 2021-09-27 | 2021-12-07 | 浙江欣兴工具有限公司 | Rotary machining tool adopting split type tool bit |
-
2019
- 2019-12-18 CN CN201922283801.4U patent/CN211386957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751778A (en) * | 2021-09-27 | 2021-12-07 | 浙江欣兴工具有限公司 | Rotary machining tool adopting split type tool bit |
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