CN218746197U - Auxiliary anti-vibration device for machining aluminum alloy rotor blade - Google Patents
Auxiliary anti-vibration device for machining aluminum alloy rotor blade Download PDFInfo
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- CN218746197U CN218746197U CN202222696743.XU CN202222696743U CN218746197U CN 218746197 U CN218746197 U CN 218746197U CN 202222696743 U CN202222696743 U CN 202222696743U CN 218746197 U CN218746197 U CN 218746197U
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Abstract
An auxiliary anti-vibration device for processing an aluminum alloy rotor blade belongs to the technical field of processing of rotor blades. The utility model provides a current rotor blade course of working easily in lead to the big problem of surface vibration line. The child core with the coaxial rigid coupling of base, the coaxial and fixed suit of work piece are in on the child core, the auxiliary stay cover is located the work piece with between the base, the auxiliary stay cover is the tubbiness, and connect the via hole is seted up at its barrel head center department, the auxiliary stay cover passes through connect the via hole is coaxial and fixed suit is in on the child core, the open end of auxiliary stay cover supports and leans on the blade side at the work piece. Through increasing the too big, too big problem of blade path orbit vibration line of vibration that the auxiliary stay cover improves and suppresses in the course of working in this application, effect is showing behind the practical application. The application has the advantages of simple structure, strong practicability, low cost and the like.
Description
Technical Field
The utility model relates to an auxiliary vibration-proof device for processing aluminum alloy rotor blades, which belongs to the technical field of processing of rotor blades.
Background
In the processing process of the aluminum alloy rotor blade, the phenomena of large vibration lines and twisted knife lines on the surface of the blade continuously occur in the processing process of the rotor blade, and because the surface quality requirement of the aluminum alloy rotor blade is extremely strict, each product needs to be subjected to strict appearance inspection, and the serious vibration lines can be judged as defective products or even unqualified products. Through empirical analysis summarized from actual processing, the phenomenon is caused by that the aluminum alloy rotor blade part is far away from the center of the tool fixture, and the vibration amplitude generated in the processing process is overlarge. Therefore, a work fixture capable of effectively reducing vibration amplitude generated in the machining process is needed.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the problem that easily leads to the surface to shake the line big in the rotor blade course of working among the prior art, and then provide an auxiliary anti-vibration line device of aluminum alloy rotor blade processing.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides an auxiliary vibration-proof line device of aluminum alloy rotor blade processing, it includes base, child core and auxiliary stay cover, wherein the child core with the coaxial rigid coupling of base, the coaxial and fixed suit of work piece are in on the child core, the auxiliary stay cover is located the work piece with between the base, the auxiliary stay cover is the tubbiness, and connect the through hole is seted up at its barrel head center department, the auxiliary stay cover passes through connect the through hole coaxial and fixed suit is in on the child core, the open end of auxiliary stay cover supports and leans on the blade side at the work piece.
Furthermore, an end face of the auxiliary supporting sleeve far away from the opening end is fixedly connected with at least one lug plate, one side face of the lug plate close to the tire core is an arc face and is arranged along with the outer circular face of the tire core, and a jacking screw penetrates through the lug plate in a threaded manner and is arranged perpendicular to the axis direction of the tire core.
Further, the quantity of otic placode is three and along child core circumference equipartition.
Furthermore, the connecting through hole is provided with an internal thread, and the auxiliary supporting sleeve is connected with the tire core through the thread.
Furthermore, a plurality of anti-vibration through holes are formed in the auxiliary supporting sleeve.
Furthermore, the tire core is of a three-stage stepped shaft-shaped structure, the workpiece is coaxially sleeved on the outer circular surface of the first-stage step of the tire core, and the auxiliary supporting sleeve is coaxially sleeved on the outer circular surface of the second-stage step of the tire core.
Further, a washer is arranged between one end of the workpiece and the first step shoulder surface of the tire core.
Furthermore, the other end of the workpiece is fixed on the tire core through a pressure plate and a first screw.
Furthermore, the third step section of the tire core is fixedly connected with the base through a plurality of second screws.
Furthermore, the number of the second screws is at least three, and the second screws are circumferentially and uniformly distributed by taking the axis of the tire core as a center.
Compared with the prior art, the utility model has the following effect:
in this application, the work piece is carrying out blade profile numerical control machining, and the vibration of work piece is conducted to the auxiliary stay through the support of auxiliary stay cover and is sheathe in, and the support reinforcement through the auxiliary stay cover makes the work piece add the amplitude of vibration obviously diminish in man-hour, and the phenomenon that the blade surface produced the vibration line disappears in the work piece blade profile course of working, and processingquality obtains obviously improving. The application has the advantages of simple structure, strong practicability, low cost and the like.
Drawings
FIG. 1 is a main cross-sectional schematic view of the present application;
fig. 2 is a left side view of the present application (workpiece and auxiliary support sleeve not shown).
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 and 2, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the examples provided herein are intended to be within the scope of the present invention. It should be noted that the descriptions of the directions of the present application with respect to "left", "right", "upper", "lower", "top", "bottom", etc. are defined based on the relationship of the orientation or position shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the structure described must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present application.
The utility model provides an auxiliary vibration-proof line device of aluminum alloy rotor blade processing, it includes base 1, child core 2 and auxiliary stay cover 3, wherein child core 2 with the 1 coaxial rigid coupling of base, the coaxial and fixed suit of work piece 100 are in on the child core 2, auxiliary stay cover 3 is located work piece 100 with between the base 1, auxiliary stay cover 3 is the tubbiness, and connect the through-hole is seted up to its barrel head center department, auxiliary stay cover 3 passes through connect the through-hole coaxial and fixed suit is in on the child core 2, the open end of auxiliary stay cover 3 supports and leans on the blade side at work piece 100.
The workpiece 100 is an aluminum alloy rotor as described herein.
The base 1 is fixedly arranged on a milling machine.
The joint of the barrel wall and the barrel bottom of the auxiliary supporting sleeve 3 is of an arc transition structure. The barrel wall can be in a straight barrel shape or a conical barrel shape.
The open end of the auxiliary support sleeve 3 abuts against the blade side of the workpiece 100, preferably at a distance of 1mm from the blade bottom profile, which is the a-plane profile in fig. 1.
In this application, work piece 100 is carrying out blade profile numerical control machining, and the vibration of work piece 100 is conducted to auxiliary stay cover 3 through auxiliary stay cover 3's support on, and the support through auxiliary stay cover 3 is consolidated and is makeed work piece 100 and add the amplitude of vibration obviously to diminish, and the phenomenon that the blade surface produced the vibration line in the blade profile course of working of work piece 100 disappears, and processingquality obtains obviously improving.
Through increasing auxiliary stay cover 3 in this application improve and restrain the too big problem of vibration, the too big shake line of blade path of a knife track in the course of working, the effect is showing behind the practical application. The application has the advantages of simple structure, strong practicability, low cost and the like.
One end face, far away from the open end, of the auxiliary supporting sleeve 3 is fixedly connected with at least one lug plate 3-1, one side face, close to the tire core 2, of the lug plate 3-1 is an arc face and is arranged along with the outer circular face of the tire core 2, a jacking screw 3-2 penetrates through the upper thread of the lug plate 3-1, and the jacking screw 3-2 is arranged in the direction perpendicular to the axis of the tire core 2. By the design, the auxiliary thread sleeve and the tire core 2 are further locked and fixed through the tightening screws 3-2, so that the relative displacement between the auxiliary support sleeve 3 and the tire core 2 in the machining process is effectively reduced, the vibration amplitude of the workpiece 100 during machining is further effectively reduced, and the machining quality is improved. In the assembling process, the auxiliary supporting sleeve 3 is tightly close to the workpiece 100 and then locked by the tightening screw 3-2.
The number of the ear plates 3-1 is three and the ear plates are uniformly distributed along the circumferential direction of the tire core 2. By the design, the auxiliary support sleeve 3 is further ensured to be stably connected with the tire core 2.
The connecting through hole is provided with an internal thread, and the auxiliary supporting sleeve 3 is connected with the tire core 2 through the thread. So design, the dismouting of auxiliary stay cover 3 of being convenient for.
The auxiliary supporting sleeve 3 is provided with a plurality of anti-vibration through holes 3-3. By the design, the vibration-proof through holes 3-3 are irregularly distributed on the auxiliary support sleeve 3, so that the resonance phenomenon in the machining process is effectively prevented.
The tire core 2 is of a three-stage stepped shaft-shaped structure, the workpiece 100 is coaxially sleeved on the outer circular surface of the first-stage step of the tire core 2, and the auxiliary supporting sleeve 3 is coaxially sleeved on the outer circular surface of the second-stage step of the tire core 2.
A washer 4 is provided between one end of the workpiece 100 and the first step shoulder surface of the core 2. So designed, the axial positioning of the workpiece 100 is achieved by the washer 4.
The other end of the workpiece 100 is fixed to the core 2 by a pressing plate 5 and a first screw 6. In this way, the clamp plate 5 and the first screw 6 axially fasten the workpiece 100.
The third stage step section of the tire core 2 is fixedly connected with the base 1 through a plurality of second screws 7. So design, be convenient for the installation between child core 2 and the base 1 and dismantle.
The number of the second screws 7 is at least three, and the second screws are circumferentially and uniformly distributed by taking the axis of the tire core 2 as a center. So design, it is stable to effectively guarantee to be connected between child core 2 and the base 1.
Claims (10)
1. The utility model provides an auxiliary anti-vibration device of aluminum alloy rotor blade processing which characterized in that: it includes base (1), child core (2) and auxiliary stay cover (3), wherein child core (2) with base (1) coaxial rigid coupling, coaxial and the fixed suit of work piece (100) are in on child core (2), auxiliary stay cover (3) are located work piece (100) with between base (1), auxiliary stay cover (3) are the tubbiness, and connect the through-hole is seted up to its barrel head center department, auxiliary stay cover (3) pass through connect the through-hole coaxial and the fixed suit of cover is in on child core (2), the open end of auxiliary stay cover (3) supports and leans on the blade side of work piece (100).
2. The auxiliary anti-vibration device for processing the aluminum alloy rotor blade as recited in claim 1, wherein: keep away from an end face rigid coupling of open end on auxiliary stay cover (3) and have at least one otic placode (3-1), a side that is close to child core (2) on otic placode (3-1) is the cambered surface and sets up along with the shape with child core (2) outer disc, screw thread is worn to be equipped with on otic placode (3-1) and is pushed up tight screw (3-2), just it sets up to push up tight screw (3-2) perpendicular to child core (2) axis direction.
3. The auxiliary anti-vibration device for processing the aluminum alloy rotor blade as recited in claim 2, wherein: the number of the ear plates (3-1) is three and the ear plates are uniformly distributed along the circumferential direction of the tire core (2).
4. The auxiliary anti-vibration device for processing the aluminum alloy rotor blade as recited in claim 1, 2 or 3, wherein: the connecting through hole is provided with an internal thread, and the auxiliary supporting sleeve (3) is connected with the tire core (2) through the thread.
5. The auxiliary anti-vibration device for processing the aluminum alloy rotor blade as recited in claim 1, 2 or 3, wherein: the auxiliary supporting sleeve (3) is provided with a plurality of anti-vibration through holes (3-3).
6. The auxiliary anti-vibration device for processing the aluminum alloy rotor blade as recited in claim 1, 2 or 3, wherein: the tire core (2) is of a three-stage stepped shaft-shaped structure, the workpiece (100) is coaxially sleeved on the outer circular surface of the first-stage step of the tire core (2), and the auxiliary supporting sleeve (3) is coaxially sleeved on the outer circular surface of the second-stage step of the tire core (2).
7. The auxiliary anti-vibration device for processing the aluminum alloy rotor blade as recited in claim 6, wherein: a gasket (4) is arranged between one end of the workpiece (100) and the first step shoulder surface of the tire core (2).
8. The auxiliary anti-vibration device for processing the aluminum alloy rotor blade as recited in claim 7, wherein: the other end of the workpiece (100) is fixed on the tire core (2) through a pressure plate (5) and a first screw (6).
9. The auxiliary anti-vibration device for processing aluminum alloy rotor blades as recited in claim 6, wherein: the third step section of the tire core (2) is fixedly connected with the base (1) through a plurality of second screws (7).
10. The auxiliary anti-vibration device for processing aluminum alloy rotor blades as recited in claim 9, wherein: the number of the second screws (7) is at least three, and the second screws are circumferentially and uniformly distributed by taking the axis of the tire core (2) as a center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222696743.XU CN218746197U (en) | 2022-10-13 | 2022-10-13 | Auxiliary anti-vibration device for machining aluminum alloy rotor blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222696743.XU CN218746197U (en) | 2022-10-13 | 2022-10-13 | Auxiliary anti-vibration device for machining aluminum alloy rotor blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218746197U true CN218746197U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222696743.XU Active CN218746197U (en) | 2022-10-13 | 2022-10-13 | Auxiliary anti-vibration device for machining aluminum alloy rotor blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218746197U (en) |
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2022
- 2022-10-13 CN CN202222696743.XU patent/CN218746197U/en active Active
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