CN211162194U - PCD adjustable reamer for processing automobile parts - Google Patents
PCD adjustable reamer for processing automobile parts Download PDFInfo
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- CN211162194U CN211162194U CN201922327403.8U CN201922327403U CN211162194U CN 211162194 U CN211162194 U CN 211162194U CN 201922327403 U CN201922327403 U CN 201922327403U CN 211162194 U CN211162194 U CN 211162194U
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- connecting surface
- cutter body
- adjustable
- reamer
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Abstract
The utility model relates to a PCD adjustable reamer for processing automobile parts, which comprises a reamer body, a reamer handle and a connecting part for detachably connecting the reamer handle and the reamer body, wherein the front end of the reamer body is provided with a first PCD cutting blade for reaming and a second PCD cutting blade for chamfering; the rear end of the cutter body is provided with an adjustable flange; the connecting part comprises a first connecting surface and a second connecting surface which are arranged on the adjustable flange and are vertical to each other, and a third connecting surface and a fourth connecting surface which are arranged on the tool shank and are matched with the first connecting surface and the second connecting surface; when the cutter body is installed on the cutter handle, the boss is inserted into the groove, the first connecting surface is matched with the third connecting surface, and the second connecting surface is matched with the fourth connecting surface. The utility model discloses through well-designed structure, adopt the integrative adjustable structural formula of handle of a knife, improved the product surface precision and the quality after the processing, one shot forming has promoted machining efficiency, has increased the cutter life-span and has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a cutter technical field especially relates to a reamer with adjustable PCD for automobile parts processing.
Background
The automobile engine comprises a cylinder body and a cylinder cover, which are one of important parts of an automobile and have complex structure and shape; the machined end face and the machined hole are more; and the wall thickness is not uniform; the precision requirement is high, and the processing method belongs to typical box type processing parts. The end face machining of the engine cylinder block mainly comprises milling, and the cylinder hole mainly comprises boring.
However, the processing form increases the difficulty in processing the automobile engine, the cylinder body and the cylinder cover, and the cutter needs to be frequently replaced for processing the same hole, so that the surface precision and the quality of the product can not meet the requirements of processing indexes, the process is complex, and the processing efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in order to overcome the defects in the prior art, the PCD adjustable reamer for processing the automobile parts is provided aiming at the problems that the structure of an automobile engine, a cylinder body and a cylinder cover in the prior art is complex, the processing precision is difficult to guarantee and the processing efficiency is low.
The utility model provides a technical scheme that its technical problem will adopt is: a PCD adjustable reamer for processing automobile parts comprises a cutter body, a cutter handle and a connecting part for detachably connecting the cutter handle and the cutter body, wherein a first PCD cutting blade for reaming and a second PCD cutting blade for chamfering forming are arranged at the front end of the cutter body; the first PCD cutting blade is positioned at the front end part of the cutter body and comprises a first cutting edge protruding out of the front end surface of the cutter body and a second cutting edge protruding out of the side surface of the cutter body, and a protective chamfer C1 with the length not more than 0.5mm is arranged at the joint of the first cutting edge and the second cutting edge; the second PCD cutting blade is positioned on the side face of the cutter body and comprises a first chamfer blade and a second chamfer blade which sequentially protrude out of the edge of the side face of the cutter body and are in a step shape, the included angle between the first PCD chamfer blade and the axis of the cutter body is C2, the included angle between the second PCD chamfer blade and the axis of the cutter body is C3, and the sizes of the included angles C2 and C3 can be determined according to actual requirements; in order to realize the adjustable function of the reamer, the rear end of the reamer body is provided with an adjustable flange, a flange of the adjustable flange is alternately provided with a first threaded hole and a second threaded hole along the circumferential direction, the orientations of the first threaded hole and the second threaded hole are opposite, the axial line of the first threaded hole and the second threaded hole is parallel to the axial line of the reamer body, the number of the first threaded hole, the number of the second threaded hole and the number of the second threaded hole can be set according to needs, and the optimal number is at least two, so that the balance during adjustment can be ensured.
When the cutter is replaced, the cutter setting and the adjustment are needed to be carried out again, therefore, the utility model discloses in, adopt detachable cutter body and handle of a knife, when the cutter needs to be changed, only need to pull down the cutter body from the handle of a knife and change the new cutter body, and do not need the whole change, reduced the step of cutter setting and adjustment, shortened the process time, improved efficiency, in order to realize the above-mentioned requirement, the utility model discloses in the connecting portion include set up on the adjustable flange and mutually perpendicular's first connecting surface and second connecting surface, and set up on the handle of a knife and with first connecting surface and second connecting surface complex third connecting surface and fourth connecting surface; the side surface of the boss of the adjustable flange forms a first connecting surface, and the end surface of the flange of the adjustable flange forms a second connecting surface; a groove matched with the boss is formed in the end part of the cutter handle, a third connecting surface is formed on the inner surface of the groove, and a fourth connecting surface is formed on the front end surface of the cutter handle; when the cutter body is installed on the cutter handle, the boss is inserted into the groove, the first connecting surface is matched with the third connecting surface, and the second connecting surface is matched with the fourth connecting surface.
Preferably, the number of the first PCD cutting blades is four, and the first PCD cutting blades are evenly distributed along the circumferential direction of the cutter body.
Preferably, the number of the second PCD cutting blades is two, and the second PCD cutting blades are symmetrically distributed along the central axis of the cutter body.
In particular, the first PCD cutting insert had a diameter of revolution D1 of 21.006mm, the second PCD cutting insert had a diameter of revolution D2 of 22.6mm, and the distance L1 between the first and second PCD cutting inserts was 24.0 mm.
Preferably, the protection chamfer C1 is 45 °.
Specifically, the first threaded holes and the second threaded holes are four and are evenly distributed on the flange of the adjustable flange along the circumferential direction.
Preferably, the included angle C2 between the first PCD chamfer edge and the axis of the cutter body is 59 degrees, and the included angle C3 between the second PCD chamfer edge and the axis of the cutter body is 45 degrees.
Preferably, in order to ensure that the perpendicularity between the first connecting surface and the second connecting surface between the tool shank and the tool body is 0.003 mm.
Preferably, the perpendicularity between the third connecting surface and the fourth connecting surface is 0.002 mm.
Furthermore, the adjustable flange and the cutter handle are locked through the jackscrew, and when the cutter body needs to be replaced or detached, the cutter body can be taken down from the cutter handle only by loosening the jackscrew.
The beneficial effects of the utility model are that the utility model provides a PCD adjustable reamer for automobile parts processing chooses for use six as raw and other materials of German import brand element, through well-designed structure, adopts the integrative adjustable structural formula of handle of a knife, uses the accurate preparation of German import equipment VO LL MER to form to solved difficult processing problem when processing automobile engine, cylinder body, cylinder cap, improved the product surface precision and the quality after the processing, one shot forming has promoted machining efficiency, has increased the cutter life-span and has reduced manufacturing cost, thereby the advantage of PCD shaping cutter is prominently shown.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the knife body of the present invention.
Fig. 3 is an enlarged view of the second PCD cutting insert at a in fig. 2.
Fig. 4 is the structure schematic diagram of the knife handle of the utility model.
Fig. 5 is a left side view of fig. 4.
In the figure: 1. the tool body, 11, first PCD cutting blade, 111, first cutting edge, 112, second cutting edge, 113, protection chamfer, 12, second PCD cutting blade, 121, first PCD chamfer edge, 122, second PCD chamfer edge, 123, third cutting edge, 13, adjustable flange, 131, flange, 132, first screw hole, 133, second screw hole, 134, boss, 135, first connecting surface, 136, second connecting surface, 2, connecting portion, 3, handle of a knife, 31, recess, 311, third connecting surface, 312, fourth connecting surface, 32, cruciform arc-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in FIG. 1, the embodiment of the utility model provides a reamer with adjustable PCD for automobile parts processing, including cutter body 1, handle of a knife 3 and be used for handle of a knife 3 and cutter body 1 can dismantle connecting portion 2 of connection.
As shown in fig. 2 and 3, a first PCD cutting tip 11 for reaming and a second PCD cutting tip 12 for chamfer forming are provided on the front end of the cutter body 1; in the embodiment, in order to improve the coaxiality of the holes, the number of the first PCD cutting blades 11 is four, and the first PCD cutting blades are uniformly distributed along the circumferential direction of the cutter body 1; the first PCD cutting insert 11 is located at the front end of the cutter body 1, and includes a first cutting edge 111 protruding from the front end surface of the cutter body 1 and a second cutting edge 112 protruding from the side surface of the cutter body 1, a protection chamfer 113 with a length not greater than 0.5mm is provided at the joint of the first cutting edge 111 and the second cutting edge 112, an included angle between the protection chamfer 113 and the axis of the cutter body 1 is C1, and in the embodiment, it is preferable that C1 is 45 °. In order to ensure the machining precision, the second PCD cutting blades 12 are two and are located on the side surface of the cutter body 1 and symmetrically distributed along the central axis of the cutter body 1, each second PCD cutting blade 12 includes a first chamfer blade and a second chamfer blade which sequentially protrude from the edge of the side surface of the cutter body 1 and are in a step shape, an included angle between the first PCD chamfer blade 121 and the axis of the cutter body 1 is C2, an included angle between the second PCD chamfer blade 122 and the axis of the cutter body 1 is C3, and included angles between the first PCD chamfer blade 121 and the second PCD chamfer blade 122 and the axis of the cutter body 1 may be determined according to actual requirements, preferably, an included angle C2 between the first PCD chamfer blade 121 and the axis of the cutter body 1 is 59 degrees, and an included angle C3 between the second PCD chamfer blade 122 and the axis of the cutter body 1 is 45 degrees. To further improve the accuracy of the inner surface of the hole, the second PCD cutting insert 12 further comprises a third cutting edge 123 arranged parallel to the axis of the cutter body 1, the third cutting edge 123 being able to trim the hole wall during feed.
Specifically, the first PCD tip 11 had a diameter of revolution D1 of 21.006mm, the second PCD tip 12 had a diameter of revolution D2 of 22.6mm, and the distance L1 between the first PCD tip 11 and the second PCD tip 12 was 24.0 mm.
As shown in fig. 2, in order to realize the adjustable function of the reamer, the rear end of the cutter body 1 is provided with an adjustable flange 13, the flange 131 of the adjustable flange 13 is circumferentially and alternately distributed with first threaded holes 132 and second threaded holes 133, the first threaded holes 132 and the second threaded holes 133 are opposite in orientation, the axis is parallel to the axis of the cutter body 1, and the number of the first threaded holes 132, the second threaded holes 133 and the second threaded holes 133 can be set as required, preferably, at least two of each threaded hole 133, so that the balance during adjustment can be ensured. Specifically, the number of the first threaded holes 132 and the number of the second threaded holes 133 are four, and the first threaded holes and the second threaded holes are evenly distributed on the flange 131 of the adjustable flange 13 along the circumferential direction.
When the cutter is replaced, the cutter setting and the adjustment are needed to be carried out again, therefore, the utility model discloses in, adopt detachable cutter body 1 and handle of a knife 3, when the cutter needs to be changed, only need to pull down the cutter body 1 that is replaced from the handle of a knife 3, and do not need the whole replacement, reduced the step of cutter setting and adjustment, shortened the process time, improved efficiency, in order to realize the above-mentioned requirement, as shown in fig. 2 and fig. 4, the utility model discloses in connecting portion 2 includes first connecting surface 135 and second connecting surface 136 that set up on adjustable flange 13 and mutually perpendicular, and third connecting surface 311 and fourth connecting surface 312 that set up on the handle of a knife 3 and cooperate with first connecting surface 135 and second connecting surface 136; the side surface of the boss 134 of the adjustable flange 13 forms a first connecting surface 135, and the end surface of the flange 131 of the adjustable flange 13 forms a second connecting surface 136; a groove 31 matched with the boss 134 is formed in the end of the tool holder 3, a third connecting surface 311 is formed on the inner surface of the groove 31, and a fourth connecting surface 312 is formed on the front end surface of the tool holder 3; when the cutter body 1 is mounted on the cutter handle 3, the boss 134 is inserted into the groove 31, the first connecting surface 135 is matched with the third connecting surface 311, and the second connecting surface 136 is matched with the fourth connecting surface 312. Preferably, in order to ensure that the perpendicularity between the first connecting surface 135 and the second connecting surface 136 between the shank 3 and the cutter body 1 is 0.003mm, the perpendicularity between the third connecting surface 311 and the fourth connecting surface 312 is 0.002 mm.
The adjustable flange 13 and the cutter handle 3 are locked through the jackscrew, and when the cutter body 1 needs to be replaced or detached, the cutter body 1 can be taken down from the cutter handle 3 only by loosening the jackscrew. In the embodiment, as shown in fig. 5, in order to facilitate the positioning connection with the spindle, a cross-shaped arc-shaped groove 32 is further provided on the end surface of the end of the tool shank 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a reamer with adjustable PCD for automobile parts processing which characterized in that: comprises a cutter body (1), a cutter handle (3) and a connecting part (2) used for detachably connecting the cutter handle (3) and the cutter body (1), wherein,
the front end of the cutter body (1) is provided with a first PCD cutting blade (11) for reaming and a second PCD cutting blade (12) for chamfer forming; the first PCD cutting blade (11) is positioned at the front end part of the cutter body (1) and comprises a first cutting edge (111) protruding out of the front end surface of the cutter body (1) and a second cutting edge (112) protruding out of the side surface of the cutter body (1), a protective chamfer (113) with the length not more than 0.5mm is arranged at the joint of the first cutting edge (111) and the second cutting edge (112), and the included angle between the protective chamfer (113) and the axis of the cutter body (1) is C1; the second PCD cutting blade (12) is positioned on the side surface of the cutter body (1) and comprises a first PCD chamfering blade (121) and a second PCD chamfering blade (122) which sequentially protrude out of the edge of the side surface of the cutter body (1) and are in a step shape, the included angle between the first PCD chamfering blade (121) and the axis of the cutter body (1) is C2, and the included angle between the second PCD chamfering blade (122) and the axis of the cutter body (1) is C3; the rear end of the cutter body (1) is provided with an adjustable flange (13), a first threaded hole (132) and a second threaded hole (133) are alternately distributed on a flange (131) of the adjustable flange (13) along the circumferential direction, the first threaded hole (132) and the second threaded hole (133) are opposite in orientation, and the axis is parallel to the axis of the cutter body (1);
the connecting part (2) comprises a first connecting surface (135) and a second connecting surface (136) which are arranged on the adjustable flange (13) and are vertical to each other, and a third connecting surface (311) and a fourth connecting surface (312) which are arranged on the cutter handle (3) and are matched with the first connecting surface (135) and the second connecting surface (136); the side surface of the boss (134) of the adjustable flange (13) forms a first connecting surface (135), and the end surface of the flange (131) of the adjustable flange (13) forms a second connecting surface (136); a groove (31) matched with the boss (134) is formed in the end portion of the cutter handle (3), a third connecting surface (311) is formed on the inner surface of the groove (31), and a fourth connecting surface (312) is formed on the front end face of the cutter handle (3); when the cutter body (1) is arranged on the cutter handle (3), the boss (134) is inserted into the groove (31), the first connecting surface (135) is matched with the third connecting surface (311), and the second connecting surface (136) is matched with the fourth connecting surface (312).
2. The adjustable PCD reamer for machining of automobile parts according to claim 1, wherein: the number of the first PCD cutting blades (11) is four, and the first PCD cutting blades are evenly distributed along the circumferential direction of the cutter body (1).
3. The adjustable PCD reamer for machining of automobile parts according to claim 1, wherein: the number of the second PCD cutting blades (12) is two, and the second PCD cutting blades are symmetrically distributed on the side wall of the cutter body (1) along the central axis of the cutter body (1).
4. The adjustable PCD reamer for machining automobile parts according to claim 1, wherein the first PCD cutting tip (11) has a rotational diameter D1 of 21.006mm, the second PCD cutting tip (12) has a rotational diameter D2 of 22.6mm, and a distance L1 between the first PCD cutting tip (11) and the second PCD cutting tip (12) is 24.0 mm.
5. The adjustable PCD reamer for machining of automobile parts according to claim 1, wherein: the protection chamfer (113) is 45 degrees.
6. The adjustable PCD reamer for machining of automobile parts according to claim 1, wherein: the number of the first threaded holes (132) and the number of the second threaded holes (133) are four, and the first threaded holes and the second threaded holes are uniformly distributed on the flange (131) of the adjustable flange (13) along the circumferential direction.
7. The adjustable PCD reamer for machining of automobile parts according to claim 1, wherein: the included angle C2 between the first PCD chamfer edge (121) and the axis of the cutter body (1) is 59 degrees, and the included angle C3 between the second PCD chamfer edge (122) and the axis of the cutter body (1) is 45 degrees.
8. The adjustable PCD reamer for machining of automobile parts according to claim 1, wherein: the perpendicularity between the first connecting surface (135) and the second connecting surface (136) is 0.003 mm.
9. The adjustable PCD reamer for machining of automobile parts according to claim 1, wherein: the perpendicularity between the third connecting surface (311) and the fourth connecting surface (312) is 0.002 mm.
10. The adjustable PCD reamer for machining of automobile parts according to claim 1, wherein: the adjustable flange (13) and the knife handle (3) are locked through a jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922327403.8U CN211162194U (en) | 2019-12-21 | 2019-12-21 | PCD adjustable reamer for processing automobile parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922327403.8U CN211162194U (en) | 2019-12-21 | 2019-12-21 | PCD adjustable reamer for processing automobile parts |
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| Publication Number | Publication Date |
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| CN211162194U true CN211162194U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922327403.8U Active CN211162194U (en) | 2019-12-21 | 2019-12-21 | PCD adjustable reamer for processing automobile parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000941A (en) * | 2019-12-21 | 2021-06-22 | 常州冶戈工具有限公司 | PCD adjustable reamer for processing automobile parts |
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2019
- 2019-12-21 CN CN201922327403.8U patent/CN211162194U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000941A (en) * | 2019-12-21 | 2021-06-22 | 常州冶戈工具有限公司 | PCD adjustable reamer for processing automobile parts |
| CN113000941B (en) * | 2019-12-21 | 2024-05-10 | 常州冶戈工具有限公司 | PCD adjustable reamer for machining automobile parts |
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