CN210499787U - AC shaft rotating platform for false tooth five-axis machining - Google Patents
AC shaft rotating platform for false tooth five-axis machining Download PDFInfo
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- CN210499787U CN210499787U CN201921428779.1U CN201921428779U CN210499787U CN 210499787 U CN210499787 U CN 210499787U CN 201921428779 U CN201921428779 U CN 201921428779U CN 210499787 U CN210499787 U CN 210499787U
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Abstract
An AC axis rotating platform for false tooth five-axis machining is arranged on an XY direction workbench of a five-axis linkage machine tool and comprises an A axis swinging and rotating along the X direction and a C axis rotating perpendicular to the X direction. The A shaft comprises an A shaft rotating body and A shaft rotating supports arranged at two ends of the A shaft rotating body, an A shaft driving motor is arranged at one end of each A shaft rotating support and connected with the A shaft rotating body, and a C shaft rotating seat is arranged in the middle of the A shaft rotating body. The C shaft comprises a synchronous belt wheel, the synchronous belt wheel is connected with the C shaft rotary seat through a bearing, the synchronous belt wheel is further connected with a C shaft driving motor through a synchronous belt, and a plurality of clamping grooves used for clamping false teeth are further formed in the synchronous belt wheel. The utility model discloses a A axle rotator and C axle revolving bed structure as an organic whole have strengthened the rigidity of AC axle promptly, have reduced the volume again, have still balanced the unbalance nature of A axle rotator, have alleviateed the influence of unbalance inertia to the machining precision to the efficiency that makes processing is higher.
Description
Technical Field
The utility model belongs to the technical field of the lathe technique and specifically relates to a AC axle rotary platform for artificial tooth five-axis machining is related to.
Background
Traditional artificial tooth processing is mostly made by hand, and this kind of processing mode mainly relies on artifical the completion, and intensity of labour is big, work efficiency is low, and because workman's technical merit is uneven, the machining precision is wayward, and product quality can not obtain the fundamental assurance.
The existing domestic false tooth processing machine mainly adopts three-axis linkage, and realizes more complex motion through the coordinated movement of X, Y, Z axes. The structure can basically meet the requirement of false tooth processing, but the three-axis motion cannot meet the requirement of the false tooth on multi-angle processing, so that the complete processing of the false tooth cannot be completed by one-time clamping, and a trimming procedure is added to trim the part which cannot be processed subsequently.
Patent No. CN208002909U discloses a novel five-axis false tooth processing machine AB axle structure, including first rotation axis and second rotation axis, first rotation axis is connected with outer carriage through first backup pad and second backup pad, at the fixed interior support frame that is provided with of the inboard of outer carriage, is equipped with the space between outer carriage and the interior support frame, is equipped with on the support frame including and is processed the work piece, one side of outer carriage is provided with the second rotation axis, and the second rotation axis passes through third backup pad and fourth backup pad and is connected with outer carriage. This patent has increased A axle, B axle in the artificial tooth processing, can satisfy the multi-angle processing requirement to the artificial tooth. However, the AB axis of such a rotary structure is not suitable for machining a large cutting amount of a tool because of the poor rigidity of the frame structure; secondly, due to the offset of the driving motor, not only the occupied space is large, but also the rotation of one shaft is unbalanced, and the unbalanced rotational inertia affects the processing precision.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough among the background art, the utility model discloses a AC axle rotary platform for artificial tooth five-axis machining, its aim at: firstly, the rigidity of the fourth shaft and the fifth shaft is improved, and the cutter is suitable for large-cutting-quantity machining of the cutter; and secondly, the occupied space and the influence of unbalanced moment of inertia on the processing precision are reduced.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
an AC axis rotating platform for false tooth five-axis machining is arranged on an XY direction workbench of a five-axis linkage machine tool and comprises an A axis swinging and rotating along the X direction and a C axis rotating perpendicular to the X direction.
The A shaft is fixed on the XY direction workbench and comprises an A shaft rotating body and A shaft rotating supports arranged at two ends of the A shaft rotating body, an A shaft driving motor is arranged at one end of each A shaft rotating support and connected with the A shaft rotating body, and a C shaft rotating seat used for installing a C shaft is arranged in the middle of the A shaft rotating body.
The C shaft comprises a synchronous belt wheel, the synchronous belt wheel is connected with the C shaft rotary seat through a bearing, and the synchronous belt wheel is also connected with a C shaft driving motor through a synchronous belt; the A-axis rotator is provided with a groove, and the C-axis driving motor is installed in the groove of the A-axis rotator.
The synchronous belt wheel is also provided with a plurality of clamping grooves for clamping false teeth.
In order to further improve the technical scheme, the shaft A driving motor is connected with the shaft A rotating support through a planetary reducer, wherein the planetary reducer is arranged on the shaft A rotating support, the shaft A driving motor is connected with a sun gear of the planetary reducer through a connecting piece, the sun gear is connected with the shaft A rotating support through an angular contact bearing, and a planetary gear is connected with the shaft A rotating support.
In order to further improve the technical scheme, the shaft A driving motor is connected with the shaft A rotating support through a planetary reducer, wherein the planetary reducer is arranged on the shaft A rotating support, the shaft A driving motor is connected with a sun gear of the planetary reducer through a connecting piece, the sun gear is connected with the shaft A rotating support through an angular contact bearing, and an outer gear ring is connected with the shaft A rotating support.
In order to further improve the technical scheme, the synchronous pulley is provided with a coaxial bearing mounting surface for mounting a bearing.
In order to further improve the technical scheme, the bearing is a crossed roller bearing.
In order to further improve the technical scheme, chamfers for avoiding the cutter are arranged on two sides of the C-axis rotary seat connected with the A-axis rotary body.
Owing to adopt above-mentioned technical scheme, compare the background art, the utility model discloses following beneficial effect has:
the utility model discloses set up bearing structure at the both ends of A axle rotator, strengthened the rigidity of A axle, A axle rotator again with C axle gyration seat structure as an organic whole, strengthened the rigidity of C axle, consequently, the intensity of AC axle, rigidity have all obtained the enhancement, make the cutter can carry out the cutting of big cutting load and not influence the machining precision.
The utility model discloses a C axle driving motor has reduced the space promptly and has taken up in the recess of A axle rotator, has balanced the unbalance nature of A axle rotator again, takes place to sway when rotatory at A axle rotator, has alleviateed the influence of unbalance inertia to the machining precision.
The utility model discloses with the design of C axle on the A axle solid of revolution, make the removal scope of cutter littleer, make the efficiency of processing higher.
The utility model discloses compare with current five-axis linkage artificial tooth processing equipment, it is rotatory to have changed into the AC axle with common AB axle rotation form, makes the structure more compact, and is bulky very reducing.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a schematic view of the bottom-side structure of the present invention.
Fig. 3 is a schematic partial sectional view of fig. 1.
Fig. 4 is a schematic structural view of the C-axis.
Fig. 5 is a schematic structural view of the timing pulley.
In the figure: 1. an A-axis rotator; 1.1, a C-axis rotary seat; 1.2, a groove; 2. an A-axis rotating bracket; 3. an A-axis drive motor; 4. a synchronous pulley; 4.1, clamping grooves; 4.2, mounting surfaces of bearings; 4.3, belt wheel; 5. a bearing; 6. a synchronous belt; 7. a C-axis drive motor; 8. and a planetary reducer.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
An AC axis rotating platform for false tooth five-axis machining is arranged on an XY direction workbench of a five-axis linkage machine tool and comprises an A axis swinging and rotating along the X direction and a C axis rotating perpendicular to the X direction.
The A shaft is fixed on the XY-direction workbench and comprises an A shaft rotating body 1 and A shaft rotating supports 2 arranged at two ends of the A shaft rotating body 1, the A shaft rotating body 1 is fixed on the XY-direction workbench through the A shaft rotating supports 2, and the A shaft rotating body 1 swings and rotates relative to the A shaft rotating supports 2. Because the false tooth processing does not need the A-axis rotator to rotate 360 degrees, the A-axis rotator 1 swings a certain angle back and forth, and the cutter can process the root of the false tooth. The axis of the a-axis rotator 1 is parallel to the XY-direction table, but the axis of the a-axis rotator 1 is not limited to be parallel to the X-axis or Y-axis of the machine tool.
As shown in fig. 1 to 3, an a-axis driving motor 3 is provided at one end of the a-axis rotating frame 2, the a-axis driving motor 3 is connected to the a-axis rotating body 1 for driving the a-axis rotating body 1 to swing, and the a-axis driving motor 3 is connected to the a-axis rotating frame 2 through a planetary reducer 8 in order to improve the rotating torque and the rotating accuracy of the a-axis rotating body 1. The planetary reducer 8 is arranged on the shaft A rotating support 2, the shaft A driving motor 3 is connected with a sun gear of the planetary reducer 8 through a connecting piece, the sun gear is connected with the shaft A rotating support 2 through an angular contact bearing, and a planet gear of the planetary reducer 8 is connected with the shaft A rotating support 2. The A-axis driving motor 3 rotates to drive the sun wheel, and drives the A-axis rotating body 1 to rotate and swing after being decelerated by the planet wheel. Of course, the outer ring gear of the planetary reduction gear 8 may be connected to the a-axis rotating carrier 2 to perform the same reduction function.
As shown in fig. 4 to 5, a C-axis rotating base 1.1 for mounting the C-axis is provided in the middle of the a-axis rotating body 1, and the C-axis is mounted in the C-axis rotating base 1.1. The C shaft comprises a synchronous belt pulley 4, the synchronous belt pulley 4 is provided with a belt pulley 4.3, a bearing mounting surface 4.2 which is coaxial with the belt pulley 4.3 and used for mounting a bearing 5 is further arranged, the bearing 5 is mounted on the bearing mounting surface 4.2, and the bearing 5 is coaxially connected with a C shaft rotary seat 1.1 and used for rotating the C shaft. In order to ensure the rotation precision of the C shaft, the bearing 5 is a crossed roller bearing.
Because the A-axis rotator 1 is a two-end supporting structure, the rigidity of the A axis is enhanced, and the A-axis rotator 1 and the C-axis revolving seat 1.1 for mounting the C axis are integrated into a whole, so that the rigidity of the C axis is enhanced, and the strength and the rigidity of the A axis and the C axis are enhanced on the whole, so that the cutter can cut with large cutting amount without affecting the processing precision.
The belt wheel 4.3 on the synchronous belt wheel 4 is connected with a small belt wheel on a C-axis driving motor 7 through a synchronous belt 6, and the C-axis driving motor 7 is arranged on the A-axis rotating body 1. In order to facilitate the installation of the C-axis driving motor 7, the A-axis rotator 1 is provided with a groove 1.2 for installing the C-axis driving motor 7, and the C-axis driving motor 7 is installed in the groove 1.2. When the C-axis driving motor 7 rotates, the synchronous belt wheel 4 is driven to rotate, and the rotation of the C-axis is realized.
Because the C-axis driving motor 7 is hidden in the groove 1.2 of the A-axis rotator 1, the unbalance of the A-axis rotator 1 is balanced, and when the A-axis rotator 1 swings and rotates, the influence of the unbalanced moment of inertia on the processing precision is reduced.
A plurality of holding grooves 4.1 for holding a denture are provided on one end face of the timing pulley 4, and a denture to be processed is held in the holding grooves 4.1.
In order to facilitate the processing of the false tooth, chamfers for avoiding tools are arranged on two sides of the C-axis revolving seat 1.1 connected with the A-axis rotating body 1.
When the artificial tooth machining device works, the A-axis rotating body 1 and the synchronous belt wheel 4 are driven by respective driving motors to rotate independently or jointly, so that the artificial tooth clamped on the clamping groove 4.1 rotates in a two-dimensional space, and five-axis linkage machining of the artificial tooth can be realized.
The utility model discloses set up bearing structure at the both ends of A axle rotator 1, strengthened the rigidity of A axle, A axle rotator 1 again with C axle revolving bed 1.1 structure as an organic whole, strengthened the rigidity of C axle, consequently, the intensity of AC axle, rigidity have all obtained the enhancement.
The utility model discloses a C axle driving motor 7 has reduced the space promptly and has occupy in A axle rotator 1's recess 1.2, has balanced A axle rotator 1's unbalance again, when A axle rotator 1 takes place to sway the rotation, has alleviateed the influence of unbalance inertia to the machining precision.
The part of the utility model not detailed is prior art. 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 (6)
1. An AC axis rotary platform for false tooth five-axis machining is arranged on an XY-direction workbench of a five-axis linkage machine tool, and is characterized in that: comprises an A axis swinging and rotating along the X direction and a C axis rotating perpendicular to the X direction;
the A shaft is fixed on the XY-direction workbench and comprises an A shaft rotating body (1) and A shaft rotating supports (2) arranged at two ends of the A shaft rotating body (1), an A shaft driving motor (3) is arranged at one end of each A shaft rotating support (2) and connected with the A shaft rotating body (1), and a C shaft rotating seat (1.1) for mounting a C shaft is arranged in the middle of the A shaft rotating body (1);
the C shaft comprises a synchronous belt wheel (4), the synchronous belt wheel (4) is connected with a C shaft rotary seat (1.1) through a bearing (5), and the synchronous belt wheel (4) is further connected with a C shaft driving motor (7) through a synchronous belt (6); the A-axis rotating body (1) is provided with a groove (1.2), and the C-axis driving motor (7) is arranged in the groove (1.2) of the A-axis rotating body (1);
the synchronous belt wheel (4) is also provided with a plurality of clamping grooves (4.1) for clamping false teeth.
2. The AC axis rotation platform for five axis denture machining according to claim 1, wherein: the shaft A driving motor (3) is connected with the shaft A rotating support (2) through a planetary reducer (8), wherein the planetary reducer (8) is arranged on the shaft A rotating support (2), the shaft A driving motor (3) is connected with a sun gear of the planetary reducer (8) through a connecting piece, the sun gear is connected with the shaft A rotating support (2) through an angular contact bearing, and the planet gear is connected with the shaft A rotating support (2).
3. The AC axis rotation platform for five axis denture machining according to claim 1, wherein: the shaft A driving motor (3) is connected with the shaft A rotating support (2) through a planetary reducer (8), wherein the planetary reducer (8) is arranged on the shaft A rotating support (2), the shaft A driving motor (3) is connected with a sun gear of the planetary reducer (8) through a connecting piece, the sun gear is connected with the shaft A rotating support (2) through an angular contact bearing, and an outer gear ring is connected with the shaft A rotating support (2).
4. The AC axis rotation platform for five axis denture machining according to claim 1, wherein: the synchronous belt wheel (4) is provided with a coaxial bearing mounting surface (4.2) for mounting a bearing (5).
5. The AC axis rotation platform for five axis denture machining according to claim 1, wherein: the bearing (5) is a crossed roller bearing.
6. The AC axis rotation platform for five axis denture machining according to claim 1, wherein: chamfers for avoiding the cutter are arranged on two sides of the C-axis rotary seat (1.1) connected with the A-axis rotary body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428779.1U CN210499787U (en) | 2019-08-30 | 2019-08-30 | AC shaft rotating platform for false tooth five-axis machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428779.1U CN210499787U (en) | 2019-08-30 | 2019-08-30 | AC shaft rotating platform for false tooth five-axis machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210499787U true CN210499787U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921428779.1U Active CN210499787U (en) | 2019-08-30 | 2019-08-30 | AC shaft rotating platform for false tooth five-axis machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210499787U (en) |
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2019
- 2019-08-30 CN CN201921428779.1U patent/CN210499787U/en active Active
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