A shot blasting machine for impeller production

By coordinating the rotating spindle and the drive assembly, the impeller's revolution and rotation are achieved, solving the problem of shot blasting dead zones and improving the impeller's processing quality and consistency.

CN224445625UActive Publication Date: 2026-07-03ZHEJIANG XINJIE FOUNDRY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG XINJIE FOUNDRY CO LTD
Filing Date
2025-08-05
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

In the existing impeller production process, the shot blasting particles from the shot blasting machine are difficult to cover the dead areas between impellers and between the impeller and the mounting frame, resulting in poor processing quality and consistency.

Method used

A rotating spindle drives the impeller to revolve around the central axis and a drive assembly makes it rotate on its own axis, ensuring that the shot blasting particles can fully cover the impeller surface. The drive gear and driven gear drive the positioning rod to rotate synchronously, achieving uniform impact on the impeller.

Benefits of technology

It improves the overall processing quality and consistency of the impeller, effectively reduces or eliminates shot blasting dead zones, and maintains the efficiency of mass production.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a shot blasting machine for impeller production, aiming to solve the problem that some areas of the impeller are difficult to be effectively covered by shot particles during batch processing. The key technical points are: a shot blasting machine for impeller production includes a machine body and two sets of conveyor tracks arranged vertically for feeding material into the machine body. Support seats are respectively installed on the two sets of conveyor tracks, and a rotating main shaft is rotatably connected between the two support seats. A first motor for driving the rotating main shaft is installed on the support seats. A lower fixing block is fixedly sleeved on the rotating main shaft, and a lower base plate is provided on one side of the lower fixing block. This shot blasting machine for impeller production utilizes the rotation of the rotating main shaft to drive the impeller to revolve, and also utilizes the drive assembly to drive the impeller to rotate on its own axis. This maintains batch production efficiency while ensuring that all areas of the impeller surface are effectively covered by shot particles, resulting in thorough cleaning and strengthening.
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Description

Technical Field

[0001] This utility model relates to the field of impeller production equipment technology, and more specifically, it relates to a shot blasting machine for impeller production. Background Technology

[0002] In the impeller production process, shot blasting machines are a key piece of equipment. They use shot blasters to throw steel shot at high speed onto the surface of the material, and are widely used for cleaning and strengthening the impeller surface.

[0003] To improve production efficiency and achieve batch processing, existing production processes tend to place multiple impellers simultaneously on a dedicated mounting frame, and then send the entire mounting frame into the shot blasting machine for processing.

[0004] However, due to the spatial layout limitations between impellers and between the impeller and the mounting frame, coupled with the trajectory of the shot at specific angles and speeds, some areas are difficult to be effectively covered by the shot particles, forming so-called shot blasting dead zones. These dead zone areas cannot be fully cleaned and strengthened, seriously affecting the overall processing quality and consistency of the impeller. Utility Model Content

[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a shot blasting machine for impeller production. This machine utilizes a rotating spindle to drive the impeller to revolve around a central axis and also uses a drive assembly to drive the impeller to rotate independently. This maintains batch production efficiency while ensuring that all areas of the impeller surface are effectively covered by shot blasting particles, resulting in thorough cleaning and strengthening. It effectively reduces or eliminates shot blasting dead zones and improves the overall processing quality and consistency of the impeller.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a shot blasting machine for impeller production, comprising a shot blasting machine body and two sets of conveying tracks arranged vertically for feeding material into the shot blasting machine body. Support seats are respectively provided on the two sets of conveying tracks, and a rotating main shaft is rotatably connected between the two support seats. A first motor for driving the rotating main shaft is provided on each support seat. A lower fixing block is fixedly sleeved on the rotating main shaft. A lower base plate is provided on one side of the lower fixing block. A movable block is slidably sleeved on the rotating main shaft above the lower fixing block. An upper top plate is provided on one side of the movable block. A lower annular sleeve is concentrically arranged on the upper top plate, and an upper annular sleeve is concentrically arranged on the upper top plate. The lower annular sleeve is slidably fitted inside the upper annular sleeve. A cylinder is arranged inside the lower annular sleeve on the lower bottom plate, and the telescopic end of the cylinder is fixedly connected to the upper top plate. A plurality of first positioning rods are rotatably connected to the upper top plate, and the plurality of first positioning rods are arranged in a circular array. A driving assembly is arranged on the upper top plate, and the driving assembly is used to drive the plurality of first positioning rods to rotate synchronously. A first positioning block is fixedly sleeved on each of the plurality of first positioning rods. A plurality of second positioning rods are correspondingly arranged on the lower bottom plate, and a second positioning block is fixedly sleeved on each of the second positioning rods.

[0007] The present invention is further configured such that: fixed posts are symmetrically arranged on the outer wall of the lower annular sleeve, and a sliding groove is provided on the inner wall of the upper annular sleeve for the fixed posts to slide, and when the fixed posts abut against the lower inner wall of the sliding groove, the distance between the upper top plate and the lower bottom plate reaches its maximum.

[0008] The present invention is further configured such that: the driving assembly includes a drive gear rotatably connected to the center position of the upper top plate, a second motor for driving the drive gear to rotate is connected to the drive gear, and a plurality of meshing driven gears are distributed in a ring on the outer side of the drive gear, and the plurality of driven gears are concentrically connected to the corresponding first positioning rod.

[0009] The present invention is further configured such that: a first protective shell is provided on the top surface of the upper top plate, and the driving component is located inside the first protective shell.

[0010] The present invention is further configured such that: a second protective shell is provided on the outside of the first motor, and the second protective shell is fixedly connected to the support base.

[0011] In summary, this utility model has the following beneficial effects:

[0012] By utilizing the rotation of the main shaft to drive the impeller to revolve around the sun, and by using the drive assembly to drive the impeller to rotate on its own axis, it can maintain the efficiency of mass production while ensuring that all areas of the impeller surface are effectively covered by shot blasting particles, thereby achieving thorough cleaning and strengthening, effectively reducing or eliminating shot blasting dead zones, and improving the overall processing quality and consistency of the impeller. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the shot blasting machine of this utility model;

[0014] Figure 2 This is a structural schematic diagram of the rotating spindle, lower base plate, upper top plate, first positioning rod, first positioning block, second positioning rod, and second positioning block of this utility model.

[0015] Figure 3 This is a schematic diagram of the structure of the fixed column and the sliding groove of this utility model.

[0016] In the diagram: 1. Shot blasting machine body; 2. Conveying track; 3. Support base; 4. Rotating spindle; 5. First motor; 6. Lower fixed block; 7. Lower base plate; 8. Moving block; 9. Upper top plate; 10. Lower annular sleeve; 11. Upper annular sleeve; 12. First positioning rod; 13. First positioning block; 14. Second positioning rod; 15. Second positioning block; 16. Fixed column; 17. Slide groove; 18. Drive gear; 19. Second motor; 20. Driven gear; 21. First protective shell; 22. Second protective shell. Detailed Implementation

[0017] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0018] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "set up / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] The present invention will now be described in detail with reference to the accompanying drawings.

[0021] Reference Figures 1-3 A shot blasting machine for impeller production includes a shot blasting machine body 1 and two sets of conveying tracks 2 arranged vertically for feeding material into the shot blasting machine body 1. Support seats 3 are respectively provided on the two sets of conveying tracks 2. A rotating main shaft 4 is rotatably connected between the two support seats 3. A first motor 5 for driving the rotating main shaft 4 is fixedly provided on the support seats 3. A lower fixing block 6 is fixedly sleeved on the rotating main shaft 4. A lower bottom plate 7 is fixedly provided on one side of the lower fixing block 6. A movable block 8 is slidably sleeved on the rotating main shaft 4 above the lower fixing block 6. An upper top plate 9 is fixedly provided on one side of the movable block 8.

[0022] A lower annular sleeve 10 is concentrically fixed on the lower base plate 7, and an upper annular sleeve 11 is concentrically fixed on the upper top plate 9. The lower annular sleeve 10 is located inside the upper annular sleeve 11 and slides in fit. A cylinder is fixedly provided on the lower base plate 7 inside the lower annular sleeve 10, and the telescopic end of the cylinder is fixedly connected to the upper top plate 9.

[0023] A plurality of first positioning rods 12 are rotatably connected to the upper top plate 9. The plurality of first positioning rods 12 are arranged in a circular array. A driving assembly is provided on the upper top plate 9. The driving assembly is used to drive the plurality of first positioning rods 12 to rotate synchronously. A first positioning block 13 is fixedly sleeved on each of the plurality of first positioning rods 12. A plurality of second positioning rods 14 are correspondingly provided on the lower bottom plate 7. A second positioning block 15 is fixedly sleeved on the second positioning rods 14.

[0024] Additionally, fixed posts 16 are symmetrically fixed on the outer wall of the lower annular sleeve 10, and a sliding groove 17 is provided on the inner wall of the upper annular sleeve 11 for the fixed posts 16 to slide. When the fixed posts 16 abut against the lower inner wall of the sliding groove 17, the distance between the upper top plate 9 and the lower bottom plate 7 reaches its maximum.

[0025] When the cylinder extends and retracts to drive the upper top plate 9 to move, the fixing post 16 on the lower annular sleeve 10 slides in the groove 17 of the upper annular sleeve 11. When the fixing post 16 touches the lower inner wall of the groove 17, the upper top plate 9 can no longer move upward. Through the cooperation of the fixing post 16 and the groove 17, the maximum distance driven by the cylinder is limited, preventing the upper annular sleeve 11 and the lower annular sleeve 10 from separating.

[0026] The drive assembly includes a drive gear 18 rotatably connected to the center of the upper top plate 9. A second motor 19 for driving the drive gear 18 is connected to the drive gear 18. A plurality of meshing driven gears 20 are distributed in a ring on the outer side of the drive gear 18. The plurality of driven gears 20 are concentrically connected to the corresponding first positioning rod 12.

[0027] When the second motor 19 drives the drive gear 18 to rotate, the meshing driven gear 20 will rotate accordingly, thereby driving the first positioning rod 12 to rotate synchronously. The impeller placed between the first positioning rod 12 and the second positioning rod 14 can receive a uniform and sufficient impact, and the drive structure is greatly simplified.

[0028] The top surface of the upper plate 9 is fixedly provided with a first protective shell 21, and the drive assembly is located inside the first protective shell 21. The first protective shell 21 can protect the drive assembly from the erosion and damage of shot blasting particles.

[0029] A second protective shell 22 is provided on the outside of the first motor 5. The second protective shell 22 is fixedly connected to the support base 3, thereby protecting the first motor 5 from the impact damage of shot blasting particles.

[0030] Working principle: During use, the impeller is placed sequentially on the multiple second positioning rods 14 on the lower base plate 7. Then, the cylinder is controlled to retract, causing the upper top plate 9 to move downward, so that the first positioning rod 12 on the upper top plate 9 is also inserted into the mounting hole in the middle of the impeller. At this time, the impeller is clamped and positioned between the first positioning block 13 and the second positioning block 15. The first motor 5 is started, and the first motor 5 drives the rotating spindle 4 to rotate. The rotating spindle 4 drives the lower base plate 7, the second positioning rods 14, the upper top plate 9 and the first positioning rods 12 to rotate, thereby driving multiple impellers to revolve synchronously. At the same time, the multiple first positioning rods 12 are driven to rotate synchronously through the drive assembly. The multiple first positioning rods 12 drive the impeller to rotate on its own axis. Thus, during the process of the impeller being transported into the shot blasting machine body 1, it can maintain the efficiency of batch production while ensuring that all areas of the impeller surface can be effectively covered by shot particles, thereby achieving sufficient cleaning and strengthening, effectively reducing or eliminating shot blasting dead angles, and improving the overall processing quality and consistency of the impeller.

[0031] After the impeller finishes processing and is sent out of the shot blasting machine body 1, the first motor 5 and the second motor 19 are turned off, and the cylinder is driven to extend, so that the upper top plate 9 moves the first positioning rod 12 upward. The first positioning rod 12 exits the impeller mounting hole, and the impeller can be removed. During the extension and retraction of the cylinder, the lower annular sleeve 10 slides in the inner cavity of the upper annular sleeve 11, which can not only adapt to the up and down movement of the upper top plate 9, but also enhance the stability of the connection between the upper top plate 9 and the lower bottom plate 7, while protecting the cylinder from damage caused by the impact of shot particles.

[0032] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A shot blasting machine for impeller production, comprising a shot blasting machine body (1) and two groups of conveying tracks (2) arranged above and below for feeding into the shot blasting machine body (1), characterized in that: Each of the two sets of conveying tracks (2) is provided with a support seat (3), and a rotating spindle (4) is rotatably connected between the two support seats (3). A first motor (5) for driving the rotating spindle (4) is provided on the support seat (3). A lower fixing block (6) is fixedly sleeved on the rotating spindle (4). A lower base plate (7) is provided on one side of the lower fixing block (6). A moving block (8) is slidably sleeved on the rotating spindle (4) above the lower fixing block (6). An upper top plate (9) is provided on one side of the moving block (8). A lower annular sleeve (10) is concentrically provided on the lower base plate (7), and an upper annular sleeve (11) is concentrically provided on the upper top plate (9). 10) Located in sliding fit on the inner side of the upper annular sleeve (11), the lower base plate (7) is provided with a cylinder on the inner side of the lower annular sleeve (10), and the telescopic end of the cylinder is fixedly connected to the upper top plate (9); a plurality of first positioning rods (12) are rotatably connected on the upper top plate (9), the plurality of first positioning rods (12) are arranged in a ring array, a driving assembly is provided on the upper top plate (9), the driving assembly is used to drive the plurality of first positioning rods (12) to rotate synchronously, a first positioning block (13) is fixedly sleeved on each of the plurality of first positioning rods (12), a plurality of second positioning rods (14) are correspondingly provided on the lower base plate (7), and a second positioning block (15) is fixedly sleeved on the second positioning rods (14).

2. The shot blasting machine for impeller production according to claim 1, characterized in that: The lower annular sleeve (10) is symmetrically provided with fixing posts (16) on its outer wall, and the upper annular sleeve (11) is provided with a sliding groove (17) for the fixing posts (16) to slide on its inner wall. When the fixing posts (16) abut against the lower inner wall of the sliding groove (17), the distance between the upper top plate (9) and the lower bottom plate (7) reaches its maximum.

3. The shot blasting machine for impeller production according to claim 1, characterized in that: The drive assembly includes a drive gear (18) rotatably connected to the center of the upper top plate (9), a second motor (19) for driving its rotation is connected to the drive gear (18), and a plurality of meshing driven gears (20) are distributed in a ring on the outer side of the drive gear (18), and the plurality of driven gears (20) are concentrically connected to the corresponding first positioning rod (12).

4. A shot blasting machine for impeller production according to claim 3, characterized in that: The top surface of the upper plate (9) is provided with a first protective shell (21), and the drive assembly is located inside the first protective shell (21).

5. The shot blasting machine for impeller production according to claim 1, characterized in that: The first motor (5) is provided with a second protective shell (22) on its outer side, and the second protective shell (22) is fixedly connected to the support base (3).