Compressor impeller correcting and shaping device

Abstract

The utility model discloses a compressor impeller correcting and shaping device, which relates to the technical field of impeller correction, and comprises a box body and a support, a workbench is arranged on the top surface of the box body, a strip-shaped opening communicated with the box body is arranged on the top surface of the workbench, a fixing piece for fixing an impeller is arranged in the strip-shaped opening, and a mounting plate is slidably arranged on the support. An electric push rod is arranged between the mounting plate and the bracket, and a correcting piece for correcting the impeller is arranged on the mounting plate; by using the fixing piece, the impeller is fixed from the interior of the shaft hole of the impeller, the phenomenon that the impeller moves when the impeller is corrected is avoided, and therefore correction of the impeller is facilitated; by means of the triangular strip-shaped protrusions, the contact area between the arc-shaped fixing blocks and the impeller is increased, and therefore the impeller can be conveniently and stably fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of impeller correction, in particular to a compressor impeller correction and shaping device. Background Art

[0002] The compressor impeller is the core component of the compressor and the only element in the compressor that does work on the gas. During the production of the impeller, there will inevitably be deviations in the product, and these errors will pose certain risks after the impeller is used for a long time. In order to ensure the service life of the impeller, its accuracy needs to be guaranteed during the processing to maximize its service life. Therefore, during the impeller processing, the impeller blades need to be corrected, which requires the use of a correction and molding device. However, when the existing correction and molding device is used, due to the irregular shape of the impeller, the impeller is not very stable when fixed, which causes the impeller to move when correcting the impeller, affecting the correction of the impeller; therefore, a compressor impeller correction and molding device is proposed to solve the above problems. Summary of the invention

[0003] The purpose of the utility model is to solve the above problems and to provide a compressor impeller correction and shaping device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A compressor impeller correction and shaping device comprises a box body and a bracket, wherein a workbench is provided on the top surface of the box body, a strip opening communicating with the box body is provided on the top surface of the workbench, a fixing piece for fixing the impeller is provided in the strip opening, a mounting plate is slidably provided on the bracket, an electric push rod is provided between the mounting plate and the bracket, and a correction piece for impeller correction is provided on the mounting plate;

[0006] The fixing part includes a connecting rod symmetrically and slidably arranged in the strip-shaped opening, an arc-shaped fixing block arranged at the outer end of the connecting rod and a connecting shaft rotatably arranged in the box body, one end of the connecting shaft is provided with a gear, and the other end is provided with a driving motor, one of the outer ends of the connecting rods is provided with a strip-shaped tooth plate 1 meshing with the gear, and the other outer end of the connecting rod is provided with a strip-shaped tooth plate 2 meshing with the gear.

[0007] Preferably, a rubber ring is provided on the outer wall of the arc-shaped fixing block, and a plurality of strip-shaped protrusions are evenly provided on the outer wall of the rubber ring.

[0008] Preferably, the strip-shaped protrusion is made of a flexible rubber material, and the strip-shaped protrusion is triangular in shape.

[0009] Preferably, a sliding block 1 is symmetrically provided on the connecting rod, and a sliding groove 1 is provided on the inner wall of the strip-shaped opening to cooperate with the sliding block 1.

[0010] Preferably, the correction member comprises a short shaft rotatably arranged on a mounting plate and a micro motor arranged on the short shaft via a mounting frame, a correction mold is arranged at the bottom of the short shaft, and a plurality of correction grooves are evenly opened on the bottom surface of the correction mold.

[0011] Preferably, a second slide block is provided on the side surface of the mounting plate, and a second slide groove is provided on the inner wall of the bracket to cooperate with the second slide block.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0013] The utility model fixes the impeller from the inside of the shaft hole through the use of a fixing piece, thereby avoiding the impeller from moving when the impeller is corrected, which is beneficial to the correction of the impeller; wherein, the use of the triangular strip protrusion increases the contact area between the arc-shaped fixing block and the impeller, thereby facilitating the stable fixation of the impeller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the structure of a front view provided according to an embodiment of the utility model is shown;

[0015] Figure 2 A schematic diagram of the structure of a rear view angle provided according to an embodiment of the utility model is shown;

[0016] Figure 3 A schematic diagram of a cross-sectional structure at a front viewing angle provided according to an embodiment of the utility model is shown;

[0017] Figure 4 A schematic structural diagram of a fixing member provided according to an embodiment of the utility model is shown;

[0018] Figure 5 for Figure 4 A partial enlarged view of the middle A;

[0019] Figure 6 A schematic structural diagram of a correction mold provided according to an embodiment of the utility model is shown.

[0020] Legend:

[0021] 1. Box body; 2. Workbench; 3. Bracket; 4. Correction mold; 5. Mounting plate; 6. Short shaft; 7. Micro motor; 8. Electric push rod; 9. Strip protrusion; 10. Driving motor; 11. Strip tooth plate 1; 12. Connecting shaft; 13. Gear; 14. Strip tooth plate 2; 15. Strip opening; 16. Correction groove; 17. Connecting rod; 18. Arc fixing block; 19. Rubber ring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-6 , the utility model provides a technical solution:

[0024] A compressor impeller correction and shaping device comprises a box body 1 and a bracket 3 arranged on the top surface of the box body 1, a workbench 2 is arranged on the top surface of the box body 1, a strip opening 15 connected to the box body 1 is opened on the top surface of the workbench 2, a fixing piece for fixing the impeller is arranged in the strip opening 15, and the impeller is fixed from the inside of its axial hole by using the fixing piece, so as to avoid the impeller moving when correcting the impeller, thereby facilitating the correction of the impeller; a mounting plate 5 is slidably provided on the bracket 3, and an electric push rod 8 is provided between the mounting plate 5 and the bracket 3 to facilitate the downward movement of the correction piece; a correction piece for impeller correction is provided on the mounting plate 5, and the use of the correction piece facilitates the correction of the impeller blades, and the operation is simple and convenient, thereby improving the work efficiency of impeller correction.

[0025] The fixing part includes a connecting rod 17 symmetrically and slidably arranged in the strip opening 15, an arc-shaped fixing block 18 arranged at the outer end of the connecting rod 17 and a connecting shaft 12 rotatably arranged in the box body 1, a gear 13 is arranged at one end of the connecting shaft 12, and a driving motor 10 is arranged at the other end, one of the connecting rods 17 is provided with a strip tooth plate 11 meshing with the gear 13 at the outer end, and the other connecting rod 17 is provided with a strip tooth plate 2 14 meshing with the gear 13 at the outer end, and the two arc-shaped fixing blocks 18 are moved by the relative movement of the strip tooth plate 11 and the strip tooth plate 2 14 to fix the impeller.

[0026] In the utility model, a rubber ring 19 is provided on the outer wall of the arc-shaped fixing block 18, and a plurality of strip-shaped protrusions 9 are evenly provided on the outer wall of the rubber ring 19; the strip-shaped protrusions 9 are made of a flexible rubber material, and the strip-shaped protrusions 9 are triangular in shape, which increases the contact area between the arc-shaped fixing block 18 and the impeller, thereby facilitating stable fixation of the impeller.

[0027] In the utility model, a slider 1 is symmetrically provided on the connecting rod 17, and a slide groove 1 is provided on the inner wall of the strip opening 15 to cooperate with the slider 1. The cooperation of the slider 1 and the slide groove 1 facilitates the sliding of the connecting rod 17, thereby facilitating the fixing of the impeller.

[0028] In the utility model, the correction part includes a short shaft 6 rotatably set on the mounting plate 5 and a micro motor 7 set on the short shaft 6 through a mounting frame, so as to facilitate the rotation of the correction mold 4, thereby realizing the correction of the impeller blades; a correction mold 4 is provided at the bottom of the short shaft 6, and a plurality of correction grooves 16 are evenly opened on the bottom surface of the correction mold 4. Through the use of the correction grooves 16, it is convenient to correct the impeller blades.

[0029] In the present invention, a sliding block 2 is provided on the side of the mounting plate 5, and a sliding groove 2 is provided on the inner wall of the bracket 3 to cooperate with the sliding block 2, so as to facilitate the sliding of the mounting plate 5 and thus facilitate the stable downward movement of the correction piece.

[0030] Working principle: When the utility model is used, the impeller is placed on the workbench 2, so that the two arc-shaped fixing blocks 18 are located in the shaft hole of the impeller, and then the driving motor 10 is started, and the connecting shaft 12 is driven to rotate by the output shaft of the driving motor 10, and then the gear 13 is driven to rotate, thereby driving the bar-shaped tooth plate 11 and the bar-shaped tooth plate 2 14 to move relative to each other, and further driving the connecting rod 17 and the arc-shaped fixing block 18 to move relative to each other, and the two arc-shaped fixing blocks 18 support the inside of the impeller shaft hole to achieve the fixing of the impeller;

[0031] Then, open the electric push rod 8, and move the telescopic end of the electric push rod 8 downward to drive the mounting plate 5 to move downward, so that the correction mold 4 moves downward, and finally the blade position on the impeller is corrected in the correction groove 16 on the mold 4, and then start the drive motor 10, and drive the output shaft of the drive motor 10 to rotate the short shaft 6, thereby driving the correction mold 4 to rotate, and then the correction groove 16 acts on the blades of the impeller, so as to realize the blade correction of the impeller.

[0032] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A compressor impeller correction and shaping device, comprising a housing (1) and a bracket (3), characterized in that: A workbench (2) is provided on the top surface of the box body (1), a strip-shaped opening (15) communicating with the box body (1) is provided on the top surface of the workbench (2), a fixing piece for fixing the impeller is provided in the strip-shaped opening (15), a mounting plate (5) is slidably provided on the bracket (3), an electric push rod (8) is provided between the mounting plate (5) and the bracket (3), and a correction piece for correcting the impeller is provided on the mounting plate (5); The fixing member comprises a connecting rod (17) symmetrically slidably arranged in the strip-shaped opening (15), an arc-shaped fixing block (18) arranged at the outer end of the connecting rod (17), and a connecting shaft (12) rotatably arranged in the box body (1), wherein one end of the connecting shaft (12) is provided with a gear (13), and the other end is provided with a driving motor (10), wherein the outer end of one of the connecting rods (17) is provided with a strip-shaped toothed plate 1 (11) meshing with the gear (13), and the outer end of the other connecting rod (17) is provided with a strip-shaped toothed plate 2 (14) meshing with the gear (13).

2. A compressor impeller correction and shaping device according to claim 1, characterized in that: A rubber ring (19) is provided on the outer wall of the arc-shaped fixing block (18), and a plurality of strip-shaped protrusions (9) are evenly provided on the outer wall of the rubber ring (19).

3. A compressor impeller correction and shaping device according to claim 2, characterized in that: The strip-shaped protrusion (9) is made of a flexible rubber material, and the strip-shaped protrusion (9) is triangular in shape.

4. A compressor impeller correction and shaping device according to claim 3, characterized in that: A sliding block 1 is symmetrically arranged on the connecting rod (17), and a sliding groove 1 is arranged on the inner wall of the strip-shaped opening (15) to cooperate with the sliding block 1.

5. The compressor impeller correction and shaping device according to claim 1, characterized in that: The correction member comprises a short shaft (6) rotatably mounted on a mounting plate (5) and a micro motor (7) mounted on the short shaft (6) via a mounting frame, a correction mould (4) being provided at the bottom of the short shaft (6), and a plurality of correction grooves (16) being evenly formed on the bottom surface of the correction mould (4).

6. A compressor impeller correction and shaping device according to claim 5, characterized in that: A second slide block is provided on the side of the mounting plate (5), and a second slide groove is provided on the inner wall of the bracket (3) to match the second slide block.

Images