CN213052787U - Powder metallurgy part unburned bricks lathe tool structure - Google Patents
Powder metallurgy part unburned bricks lathe tool structure Download PDFInfo
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- CN213052787U CN213052787U CN202021322125.3U CN202021322125U CN213052787U CN 213052787 U CN213052787 U CN 213052787U CN 202021322125 U CN202021322125 U CN 202021322125U CN 213052787 U CN213052787 U CN 213052787U
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Abstract
The utility model provides a powder metallurgy part unburned bricks lathe groove sword structure, including groove sword cutter arbor and groove sword blade, the concave holding chamber that supplies the groove sword blade to put into that is equipped with in groove sword cutter arbor left end front side, the installation through-hole has been seted up at the middle part of groove sword blade, set up corresponding through-hole on the holding chamber bottom surface, fix the groove sword blade in the holding intracavity through the connecting piece, the groove sword blade is side Z style of calligraphy, both ends respectively are equipped with a cutting portion about the groove sword blade, two cutting portions use the installation through-hole of groove sword blade to be central symmetry setting as the center, one of them cutting portion stretches out outside the cutter arbor, the holding intracavity is located to another cutting portion. The utility model discloses rational in infrastructure, convenient assembling is swift, the various unburned bricks cell body of workable, and processingquality is high, produces the groove side and peels off too big problem when effectively avoiding the unburned bricks lathe groove, guarantees that processed part powder metallurgy unburned bricks surface is pleasing to the eye, provides the yield of product, and long service life need not frequent tool changing simultaneously, and production efficiency is high, and the groove sword is indeformable for a long time simultaneously, and the durability is strong, low in production cost.
Description
Technical Field
The utility model relates to a cutting tool, concretely relates to powder metallurgy part unburned bricks lathe tool structure.
Background
Powder metallurgy is a process technology for manufacturing metal materials, composite materials and various products by using metal powder or metal powder (or a mixture of metal powder and non-metal powder) as a raw material through forming and sintering, is widely applied to various fields, has unique chemical composition and mechanical and physical properties, cannot be obtained by a traditional fusion casting method, and can be used for manufacturing various powder metallurgy parts such as automobiles, motorcycles, textile machines, electric tools, hardware tools, electric appliances and the like.
When powder metallurgy unburned bricks are turned into grooves, because the unburned bricks are weaker in strength, the unburned bricks are cracked in the grooving process, and the notch peeling occurs sometimes, so that the surface attractiveness of the powder metallurgy unburned bricks is seriously influenced, the yield is reduced, and the production efficiency is low. In addition, the grooving cutter of the conventional green body grooving cutter structure is easy to deform and short in service life.
Therefore, a new powder metallurgy part green body grooving cutter structure needs to be designed to meet the production requirement.
Disclosure of Invention
The utility model aims to solve the technical problem that a powder metallurgy part unburned bricks lathe tool structure that simple structure is reasonable, convenient assembling and processingquality are high is provided to foretell technical current situation, produces the groove side and peels off too big problem when effectively avoiding unburned bricks lathe groove.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a powder metallurgy part unburned bricks lathe tool structure which characterized in that: including a slotting tool cutter arbor and a slotting tool blade, the concave holding chamber that supplies the slotting tool blade to put into in the left end front side of slotting tool cutter arbor, the installation through-hole has been seted up at the middle part of slotting tool blade, set up corresponding through-hole on the bottom surface in holding chamber, fix the slotting tool blade in the holding intracavity through the connecting piece, the slotting tool blade is side Z style of calligraphy, the upper and lower both ends of slotting tool blade respectively are equipped with a cutting portion, two cutting portions use the installation through-hole of slotting tool blade to be central symmetry setting as the center, one of them cutting portion stretches out outside the cutter arbor, another cutting portion locates the holding intracavity.
As an improvement, the middle of the slotting cutter blade is rectangular, the cutting parts are respectively arranged on the right side and the left side of the upper end and the lower end of the rectangular structure, the left end and the lower end of the accommodating cavity are open, the slotting cutter blade is arranged in the accommodating cavity, and the upper end and the right end of the rectangular structure in the middle of the slotting cutter blade are respectively abutted against and positioned on the left end opening surface of the accommodating cavity and the right side of the inner wall of the accommodating cavity.
And the through hole on the bottom surface of the accommodating cavity is a threaded hole, the mounting through hole in the middle of the slotting cutter blade is a counter bore, the connecting piece is a countersunk screw, the left end surface of the slotting cutter blade is flush with the left end surface of the slotting cutter arbor after the slotting cutter blade is fixed by the countersunk screw, and the cutting part at the lower end of the slotting cutter blade extends out of the slotting cutter arbor.
Further, the cutting part comprises a first cutting edge and a second cutting edge which are protruded forwards and vertically, wherein the first cutting edge is close to a middle rectangular structure of the slot knife blade, the two cutting edges form a V-shaped included angle, and the V-shaped included angle is 130 degrees +/-1 degree.
Still further, the width of first blade is greater than the second cutting edge, and the contained angle between first cutting edge and the second cutting edge side is 88.7 ° ± 1 °.
Still further, the first cutting edge and the second cutting edge are in arc transition, and the size of the arc is R1.75 +/-0.1 cm.
And finally, the right end of the slotting cutter arbor is a handle part.
Compared with the prior art, the utility model has the advantages of: the cutter bar and the blade are arranged, and the blade is fixed in the accommodating cavity of the cutter bar through a screw; the cutting parts of the blade are two parts with central symmetry, and one part extends out of the cutter rod. The utility model discloses rational in infrastructure, convenient assembling is swift, the various unburned bricks cell body of workable, and processingquality is high, and the chip removal ability is strong, can reduce the unburned bricks turning groove greatly and peel off, guarantees that processed part powder metallurgy unburned bricks surface is pleasing to the eye, provides the yield of product, and long service life need not frequent tool changing simultaneously, and production efficiency is high, and the groove sword is indeformable for a long time simultaneously, and the durability is strong, low in production cost.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a front view of a slot cutter blade according to an embodiment of the present invention;
fig. 4 is a side view of a slot cutter blade according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, a powder metallurgy part green compact grooving tool structure includes a grooving tool bar 1 and a grooving tool blade 2, a right end of the grooving tool bar 1 is a handle portion 11, a front side of a left end of the grooving tool bar 1 is concavely provided with an accommodating cavity 12 for accommodating the grooving tool blade 2, the grooving tool blade 2 is in a side Z shape, a middle portion of the grooving tool blade 2 is rectangular, a mounting through hole 22 is formed in the middle portion of the rectangular structure, upper and lower ends of the grooving tool blade 2 are respectively provided with a cutting portion 21, the two cutting portions 21 are arranged in a central symmetry manner with the mounting through hole 22 of the grooving tool blade 2 as a center, one of the cutting portions 21 extends out of the grooving tool bar 1, and the other cutting portion 21 is arranged in the accommodating cavity 12; the left end and the lower end of the accommodating cavity 12 are opened, the bottom surface of the accommodating cavity 12 is provided with corresponding through holes 13, the slotting cutter blade 2 is arranged in the accommodating cavity 12, the upper end and the right end of the rectangular structure in the middle of the slotting cutter blade are respectively abutted and positioned against the left end opening surface of the accommodating cavity 12 and the right side of the inner wall of the accommodating cavity 12, and the slotting cutter blade 2 is fixed in the accommodating cavity 12 through the connecting piece 3.
The through hole 13 on the bottom surface of the accommodating cavity 12 is a threaded hole, the mounting through hole 22 in the middle of the slotting cutter blade 2 is a counter bore, the connecting piece 3 is a countersunk screw, after the slotting cutter blade 2 is fixed through the countersunk screw, the left end surface of the slotting cutter blade is flush with the left end surface of the slotting cutter arbor 1, and the cutting part 21 at the lower end of the slotting cutter blade extends out of the slotting cutter arbor 1.
The cutting part 21 comprises a first blade 211 and a second blade 212 which are protruded forwards and downwards, wherein the first blade 211 is close to the middle rectangular structure of the slot knife blade 2, the two blades 211 and 212 form a V-shaped included angle alpha, and the included angle alpha of the V-shaped included angle is 130 degrees +/-1 degrees;
the width of the first blade 211 is larger than that of the second blade 212, and the included angle beta between the side surfaces of the first blade 211 and the second blade 212 is 88.7 degrees +/-1 degree; the first blade edge 211 and the second blade edge 212 are in arc transition, and the size of the arc is R1.75 +/-0.1 cm.
During installation, the slotting tool blade 2 is embedded into the accommodating cavity 12 of the slotting tool cutter bar 1 and fixed through a countersunk screw.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a powder metallurgy part unburned bricks lathe tool structure which characterized in that: including a slotting tool cutter arbor and a slotting tool blade, the concave holding chamber that supplies the slotting tool blade to put into in the left end front side of slotting tool cutter arbor, the installation through-hole has been seted up at the middle part of slotting tool blade, set up corresponding through-hole on the bottom surface in holding chamber, fix the slotting tool blade in the holding intracavity through the connecting piece, the slotting tool blade is side Z style of calligraphy, the upper and lower both ends of slotting tool blade respectively are equipped with a cutting portion, two cutting portions use the installation through-hole of slotting tool blade to be central symmetry setting as the center, one of them cutting portion stretches out outside the cutter arbor, another cutting portion locates the holding intracavity.
2. The powder metallurgy part green body lathe tool structure of claim 1, wherein: the middle part of the slotting cutter blade is rectangular, the cutting parts are respectively arranged on the right side and the left side of the upper end and the lower end of the rectangular structure, the left end and the lower end of the containing cavity are open, the slotting cutter blade is arranged in the containing cavity, and the upper end and the right end of the rectangular structure in the middle part of the slotting cutter blade are respectively abutted against and positioned on the left end opening surface of the containing cavity and the right side of the inner wall of the containing cavity.
3. The powder metallurgy part green body lathe tool structure of claim 2, wherein: the through hole on the bottom surface of the accommodating cavity is a threaded hole, the mounting through hole in the middle of the slotting tool blade is a counter bore, the connecting piece is a counter-sunk screw, the left end face of the slotting tool blade is flush with the left end face of the slotting tool cutter bar after the slotting tool blade is fixed through the counter-sunk screw, and the cutting part at the lower end of the slotting tool blade extends out of the slotting tool cutter bar.
4. The powder metallurgy part green body lathe tool structure of claim 1, wherein: the cutting part comprises a first cutting edge and a second cutting edge which are protruded forwards and vertically, wherein the first cutting edge is close to a middle rectangular structure of the slot cutter blade, the two cutting edges form a V-shaped included angle, and the V-shaped included angle is 130 degrees +/-1 degrees.
5. The powder metallurgy part green body lathe tool structure of claim 4, wherein: the width of the first cutting edge is larger than that of the second cutting edge, and the included angle between the side surfaces of the first cutting edge and the second cutting edge is 88.7 degrees +/-1 degree.
6. The powder metallurgy part green body lathe tool structure of claim 5, wherein: the first cutting edge and the second cutting edge are in arc transition, and the size of the arc is R1.75 +/-0.1 cm.
7. The powder metallurgy part green body grooving tool structure of any one of claims 1 to 6, wherein: the right end of the slotting cutter arbor is a handle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021322125.3U CN213052787U (en) | 2020-07-08 | 2020-07-08 | Powder metallurgy part unburned bricks lathe tool structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021322125.3U CN213052787U (en) | 2020-07-08 | 2020-07-08 | Powder metallurgy part unburned bricks lathe tool structure |
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| Publication Number | Publication Date |
|---|---|
| CN213052787U true CN213052787U (en) | 2021-04-27 |
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| CN202021322125.3U Active CN213052787U (en) | 2020-07-08 | 2020-07-08 | Powder metallurgy part unburned bricks lathe tool structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245577A (en) * | 2021-06-21 | 2021-08-13 | 成都爱乐达航空制造股份有限公司 | Intermittent turning tool for aviation hoop type parts |
| CN113305518A (en) * | 2021-06-21 | 2021-08-27 | 成都爱乐达航空制造股份有限公司 | Intermittent turning method for aviation hoop type part |
-
2020
- 2020-07-08 CN CN202021322125.3U patent/CN213052787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245577A (en) * | 2021-06-21 | 2021-08-13 | 成都爱乐达航空制造股份有限公司 | Intermittent turning tool for aviation hoop type parts |
| CN113305518A (en) * | 2021-06-21 | 2021-08-27 | 成都爱乐达航空制造股份有限公司 | Intermittent turning method for aviation hoop type part |
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