A welding positioning device for impeller machining

By designing a welding positioning device with multiple limiting components and a gear transmission system, the problem of inconvenient positioning of impellers of different specifications in existing devices has been solved, realizing stable clamping and convenient blade welding process.

CN224464030UActive Publication Date: 2026-07-07FENGCHENG DONGNING POWER CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FENGCHENG DONGNING POWER CO LTD
Filing Date
2025-07-21
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing welding positioning devices are not convenient for positioning impellers of different specifications.

Method used

A welding positioning device was designed, comprising a body, a third rotating shaft, upper and lower limit parts, and a gear transmission system. Adjustable positioning of impellers of different specifications is achieved through various limit components and gear meshing.

Benefits of technology

It enables stable clamping and positioning of impellers of different specifications, facilitates blade welding, and makes it easy to remove and switch impeller specifications.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224464030U_ABST
    Figure CN224464030U_ABST
Patent Text Reader

Abstract

The utility model belongs to impeller processing technical field especially relates to a welding positioning device for impeller processing, including machine body, the third pivot is rotationally arranged on the upper wall of machine body, the side surface of third pivot is fixed with lower turntable, first upper turntable and second upper turn plate, a plurality of different specifications upper limit parts are equipped below first upper turntable, a plurality of different specifications lower limit parts are equipped above lower turntable, a plurality of fifth pivot are rotationally arranged in lower turntable, driven spur gear is fixed with the lower end of fifth pivot, the fourth pivot is rotationally arranged in the upper wall of machine body, the upper end of fourth pivot is fixed with driving spur gear. The utility model can drive different specifications lower limit part and upper limit part revolution through the rotation of lower turntable, first upper turntable and second upper turn plate, make the driven spur gear below the lower limit of required specifications and driving spur gear engage, and it is convenient for the impeller hub of different specifications to weld blade.
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Description

Technical Field

[0001] This utility model belongs to the field of impeller processing technology, and in particular relates to a welding positioning device for impeller processing. Background Technology

[0002] After using a turbocharger, the engine's power output can be greatly improved, fuel consumption can be reduced, and engine emissions can be improved. The turbocharger intermediate body is a component of the turbocharger, and the impeller is a part of the turbocharger intermediate body. When producing the impeller, it needs to be welded and fixed. During welding, the impeller hub needs to be clamped and positioned by a welding positioning device, and then multiple blades are welded onto the impeller hub.

[0003] The existing welding positioning device is not convenient for positioning impellers of different specifications during use and does not meet the current needs. Utility Model Content

[0004] In view of the shortcomings of the prior art, the present invention provides a welding positioning device for impeller processing, which solves the technical problem that the existing welding positioning device is inconvenient to position impellers of different specifications during use.

[0005] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0006] A welding positioning device for impeller processing includes a body. A third rotating shaft is rotatably mounted inside the upper wall of the body. A lower rotating disk, a first upper rotating disk, and a second upper rotating disk are fixedly mounted on the side surface of the third rotating shaft. Multiple upper limit positions of different specifications are provided below the first upper rotating disk. Each upper limit position includes an upper limit plate and an upper limit shaft. Multiple L-shaped rods are provided inside the first and second upper rotating disks. The L-shaped rods can slide vertically within the first and second upper rotating disks and can also rotate within the first and second upper rotating disks. The lower end of each L-shaped rod is rotatably mounted with the upper limit plate. The bottom surface of the upper limit plate is fixedly mounted with the upper limit shaft. The turntable has multiple lower limit sections of different specifications above it. The lower limit sections match the upper limit sections and are located directly below the upper limit sections. Each lower limit section includes a lower limit disk, a lower limit shaft, and a limit key. Multiple fifth rotating shafts are rotatably mounted inside the lower turntable. The lower limit disk is fixedly mounted on the upper end of each fifth rotating shaft. The lower limit shaft is fixedly mounted on the top surface of the lower limit disk. A limit key is fixedly mounted on the side surface of the lower limit shaft. A driven spur gear is fixedly mounted on the lower end of each fifth rotating shaft. A fourth rotating shaft is rotatably mounted inside the upper wall of the machine body. A driving spur gear is fixedly mounted on the upper end of the fourth rotating shaft. The driving spur gear meshes with the driven spur gear.

[0007] Furthermore, the lower end of the third rotating shaft is rotatably connected to the bottom surface of the machine body, a third bevel gear is fixedly provided on the side surface of the third rotating shaft and located inside the machine body, a first fixing plate is fixedly provided on the inner surface of the machine body, a first rotating shaft is rotatably provided inside the first fixing plate and one side wall of the machine body, a first bevel gear is fixedly provided at one end of the first rotating shaft, the first bevel gear meshes with the third bevel gear, and a first rotating plate is fixedly provided at the other end of the first rotating shaft.

[0008] Furthermore, a first rotating cylinder is rotatably provided inside the first rotating plate, a first pin is slidably provided inside the first rotating cylinder, a first force-bearing ring is fixedly provided on the side surface of the first pin and inside the first rotating cylinder, a first spring is sleeved on the first pin, the first spring presses against the first force-bearing ring and the inner surface of the first rotating cylinder, and a plurality of first insertion holes are opened on one side surface of the machine body and around the first rotating shaft, the first insertion holes are matched with the first pin, and the number of the first insertion holes is the same as the number of the fifth rotating shaft.

[0009] Furthermore, a fourth bevel gear is fixedly provided at the lower end of the fourth rotating shaft, a second fixing plate is fixedly provided on the inner surface of the machine body, a second rotating shaft is rotatably provided inside the second fixing plate and one side wall of the machine body, a second bevel gear is fixedly provided at one end of the second rotating shaft, the second bevel gear meshes with the fourth bevel gear, and a second rotating plate is fixedly provided at the other end of the second rotating shaft.

[0010] Furthermore, a second rotating cylinder is rotatably provided inside the second rotating plate, a second pin is slidably provided inside the second rotating cylinder, a second force-bearing ring is fixedly provided on the side surface of the second pin and inside the second rotating cylinder, a second spring is sleeved on the second pin, the second spring presses against the second force-bearing ring and the inner surface of the second rotating cylinder, and a plurality of second insertion holes are opened on one side surface of the machine body and around the second rotating shaft, the second insertion holes matching the second pin.

[0011] Furthermore, the L-shaped rod is fitted with a third spring, and a limiting ring is fixedly provided on the side surface of the L-shaped rod between the first upper turntable and the second upper turntable. The third spring presses against the limiting ring and the second upper turntable.

[0012] Furthermore, a plurality of card plates are fixedly provided on the top surface of the second upper turntable, and the top surface of the card plates is provided with a slot, which can be engaged with the upper part of the L-shaped rod.

[0013] Furthermore, an impeller hub can be clamped between the upper limit part and the lower limit part. The impeller hub is provided with a shaft hole, and the inner surface of the shaft hole is provided with a keyway. The upper limit shaft and the lower limit shaft are matched with the shaft hole, and the keyway is matched with the limit key.

[0014] The beneficial effects of this utility model are:

[0015] 1. Insert the lower part of the impeller hub's shaft hole into the lower limit shaft and insert the limit key into the keyway. The lower limit plate can support the impeller hub. Insert the upper limit shaft into the upper part of the shaft hole. The downward pressure of the limit ring by the third spring can make the upper limit plate exert a downward pressure on the impeller hub, thus achieving the clamping of the impeller hub, which makes it easier for workers to weld the blades onto the impeller hub.

[0016] 2. The driven spur gear can rotate to drive the lower limit shaft and the limit key to rotate. The rotation of the lower limit shaft and the limit key can drive the impeller hub to rotate. After the impeller hub is rotated at a certain angle, the second pin can be inserted into the second hole to position the second rotating plate, thereby positioning the impeller hub and facilitating the welding of blades to different positions on the impeller hub.

[0017] 3. After welding, pull the L-shaped rod upward to move the upper limit plate and the upper limit axis upward. Then rotate the L-shaped rod so that the upper part of the L-shaped rod is above the bayonet. Then lock the upper part of the L-shaped rod into the bayonet. At this time, the impeller can be taken out.

[0018] 4. When welding blades to impeller hubs of different specifications, the rotation of the lower turntable, the first upper turntable, and the second upper turntable can drive the lower limit and upper limit parts of different specifications to revolve. This causes the driven spur gear below the lower limit of the required specification to mesh with the driving spur gear. Inserting the first pin into the first hole can position the first rotating plate, thereby positioning the lower turntable, the first upper turntable, and the second upper turntable. This enables the switching of the lower limit and upper limit parts of different specifications, facilitating the welding of blades to impeller hubs of different specifications. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0020] Figure 2 for Figure 1 A magnified structural diagram of A in the middle;

[0021] Figure 3 for Figure 1 A magnified structural diagram of B in the diagram;

[0022] Figure 4 for Figure 1 A magnified structural diagram of C;

[0023] Figure 5 This is a side view of the card plate in this utility model.

[0024] In the diagram: 1. Body; 2. Lower turntable; 3. First upper turntable; 4. Second upper turntable; 5. Clamping plate; 6. L-shaped rod; 7. Third spring; 8. Limiting ring; 9. Fourth rotating shaft; 10. Fourth bevel gear; 11. Second pin; 12. Second rotating plate; 13. First pin; 14. First rotating plate; 15. Second insertion hole; 16. First insertion hole; 17. First rotating shaft; 18. First fixing plate; 19. First bevel gear; 20. Third bevel gear; 21. Third rotating shaft; 22. Second... 23. Bevel gear; 24. Second fixed plate; 25. Second rotating shaft; 26. Bayonet; 27. Upper limit shaft; 28. Upper limit plate; 29. ​​Lower limit shaft; 30. Lower limit plate; 31. Fifth rotating shaft; 32. Driven spur gear; 33. Driving spur gear; 34. Limit key; 35. Second rotating drum; 36. Second force-bearing ring; 37. First rotating drum; 38. First spring; 39. First force-bearing ring; 40. Impeller hub; 41. Shaft hole; 42. Keyway; 43. Blade. Detailed Implementation

[0025] To better explain and facilitate understanding of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] like Figures 1-5As shown, this utility model provides a welding positioning device for impeller processing, including a body 1. A third rotating shaft 21 is rotatably mounted inside the upper wall of the body 1. A lower rotating disk 2, a first upper rotating disk 3, and a second upper rotating disk 4 are fixedly mounted on the side surface of the third rotating shaft 21. Multiple upper limit positions of different specifications are provided below the first upper rotating disk 3. Each upper limit position includes an upper limit plate 27 and an upper limit shaft 26. Multiple L-shaped rods 6 are provided inside the first upper rotating disk 3 and the second upper rotating disk 4. The L-shaped rods 6 can slide vertically within the first upper rotating disk 3 and the second upper rotating disk 4, and can also rotate within the first upper rotating disk 3 and the second upper rotating disk 4. An upper limit plate 27 is rotatably mounted at the lower end of the L-shaped rods 6. The bottom surface of the upper limit plate 27 is fixedly mounted with... There is an upper limit shaft 26, and multiple lower limit sections of different specifications are provided above the lower turntable 2. The lower limit sections match the upper limit sections and are located directly below the upper limit sections. The lower limit section includes a lower limit disk 29, a lower limit shaft 28, and a limit key 33. Multiple fifth shafts 30 are rotatably arranged inside the lower turntable 2. The lower limit disk 29 is fixedly mounted on the upper end of the fifth shaft 30, the lower limit shaft 28 is fixedly mounted on the top surface of the lower limit disk 29, and the limit key 33 is fixedly mounted on the side surface of the lower limit shaft 28. A driven spur gear 31 is fixedly mounted on the lower end of the fifth shaft 30. A fourth shaft 9 is rotatably arranged inside the upper wall of the machine body 1. A driving spur gear 32 is fixedly mounted on the upper end of the fourth shaft 9. The driving spur gear 32 and the driven spur gear 31 are connected. 1. Engagement; The lower end of the third rotating shaft 21 is rotatably connected to the inner bottom surface of the machine body 1. A third bevel gear 20 is fixedly mounted on the side surface of the third rotating shaft 21 and inside the machine body 1. A first fixing plate 18 is fixedly mounted on the inner surface of the machine body 1. A first rotating shaft 17 is rotatably mounted on the first fixing plate 18 and inside one side wall of the machine body 1. A first bevel gear 19 is fixedly mounted on one end of the first rotating shaft 17. The first bevel gear 19 meshes with the third bevel gear 20. A first rotating plate 14 is fixedly mounted on the other end of the first rotating shaft 17. A first rotating cylinder 37 is rotatably mounted inside the first rotating plate 14. A first pin 13 is slidably mounted inside the first rotating cylinder 37. A first force-bearing ring 39 is fixedly mounted on the side surface of the first pin 13 and inside the first rotating cylinder 37. Three sets of first springs 38 are provided, which press against the first force ring 39 and the inner surface of the first rotating cylinder 37. Multiple first insertion holes 16 are opened on one side surface of the machine body 1 and around the first rotating shaft 17. The first insertion holes 16 are matched with the first pins 13. The number of first insertion holes 16 is the same as the number of the fifth rotating shaft 30. A fourth bevel gear 10 is fixedly provided at the lower end of the fourth rotating shaft 9. A second fixing plate 23 is fixedly provided on the inner surface of the machine body 1. A second rotating shaft 24 is rotatably provided inside the second fixing plate 23 and one side wall of the machine body 1. A second bevel gear 22 is fixedly provided at one end of the second rotating shaft 24 and meshes with the fourth bevel gear 10. A second rotating plate 12 is fixedly provided at the other end of the second rotating shaft 24.A second rotating cylinder 34 is rotatably mounted inside the second rotating plate 12. A second pin 11 is slidably mounted inside the second rotating cylinder 34. A second force-bearing ring 36 is fixedly mounted on the side surface of the second pin 11 and inside the second rotating cylinder 34. A second spring 35 is sleeved on the second pin 11. The second spring 35 presses against the second force-bearing ring 36 and the inner surface of the second rotating cylinder 34. A plurality of second insertion holes 15 are opened on one side surface of the machine body 1 around the second rotating shaft 24. The second insertion holes 15 match the second pin 11. A third spring 7 is sleeved on the L-shaped rod 6. A limiting ring 8 is fixedly installed between the first upper turntable 3 and the second upper turntable 4, and a third spring 7 presses against the limiting ring 8 and the second upper turntable 4; multiple clamping plates 5 are fixedly installed on the top surface of the second upper turntable 4, and the top surface of the clamping plates 5 has a latch 25, which can engage with the upper part of the L-shaped rod 6; an impeller hub 40 can be clamped between the upper limit part and the lower limit part, and the impeller hub 40 has a shaft hole 41 inside, and a keyway 42 is provided on the inner surface of the shaft hole 41. The upper limit shaft 26 and the lower limit shaft 28 are matched with the shaft hole 41, and the keyway 42 is matched with the limiting key 33.

[0027] In use, the lower part of the shaft hole 41 of the impeller hub 40 is inserted into the lower limit shaft 28, and the limit key 33 is inserted into the keyway 42. The impeller hub 40 can be supported by the lower limit plate 29. Hold the upper part of the L-shaped rod 6 and lift the L-shaped rod 6 away from the bayonet 25. Rotate the L-shaped rod 6 and then move the L-shaped rod 6 downward. The downward movement of the L-shaped rod 6 can drive the upper limit plate 27 and the upper limit shaft 26 to move downward. Insert the upper limit shaft 26 into the upper part of the shaft hole 41. The downward pressure of the limit ring 8 by the third spring 7 can make the upper limit plate 27 exert a downward pressure on the impeller hub 40, realizing the clamping of the impeller hub 40, thus making it easier for workers to weld the blade 43 onto the impeller hub 40.

[0028] Hold the second pin 11 and pull it out of the second insertion hole 15. Then, shake the second pin 11 to drive the second rotating plate 12 to rotate. The rotation of the second rotating plate 12 drives the second rotating shaft 24 to rotate. The rotation of the second rotating shaft 24 drives the second bevel gear 22 to rotate. The rotation of the second bevel gear 22 drives the fourth bevel gear 10 to rotate. The rotation of the fourth bevel gear 10 drives the fourth rotating shaft 9 to rotate. The rotation of the fourth rotating shaft 9 drives the driving spur gear 32 to rotate. The rotation of the driving spur gear 32 drives the driven spur gear 31 to rotate. The rotation of the driven spur gear 31 drives the lower limit shaft 28 and the limit key 33 to rotate. The rotation of the lower limit shaft 28 and the limit key 33 drives the impeller hub 40 to rotate. After rotating the impeller hub 40 by a certain angle, insert the second pin 11 into the second insertion hole 15 to position the second rotating plate 12, thereby positioning the impeller hub 40, which facilitates the welding of blades 43 to different positions on the impeller hub 40.

[0029] After welding, pulling the L-shaped rod 6 upwards will cause the upper limit plate 27 and the upper limit shaft 26 to move upwards. Then, rotate the L-shaped rod 6 so that the upper part of the L-shaped rod 6 is above the bayonet 25. Then, the upper part of the L-shaped rod 6 is locked in the bayonet 25, at which point the impeller can be removed.

[0030] When welding blades 43 to impeller hubs 40 of different specifications, hold the first pin 13 and pull it out of the first insertion hole 16. Then, shaking the first pin 13 will drive the first rotating plate 14 to rotate. The rotation of the first rotating plate 14 will drive the first rotating shaft 17 to rotate. The rotation of the first rotating shaft 17 will drive the first bevel gear 19 to rotate. The rotation of the first bevel gear 19 will drive the third bevel gear 20 to rotate. The rotation of the third bevel gear 20 will drive the third rotating shaft 21 to rotate. The rotation of the third rotating shaft 21 will drive the lower turntable 2 and the first... The rotation of the upper turntable 3 and the second upper turntable 4, through the rotation of the lower turntable 2, the first upper turntable 3 and the second upper turntable 4, can drive the lower limit part and the upper limit part of different specifications to revolve, so that the driven spur gear 31 below the lower limit of the required specification meshes with the driving spur gear 32. Inserting the first pin 13 into the first insertion hole 16 can position the first rotating plate 14, thereby positioning the lower turntable 2, the first upper turntable 3 and the second upper turntable 4, realizing the switching of the lower limit part and the upper limit part of different specifications, which is convenient for welding blades 43 to impeller hubs 40 of different specifications.

[0031] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any modifications, alterations, substitutions, and variations made by those skilled in the art to the above embodiments are within the scope of the present invention.

Claims

1. A welding positioning device for impeller machining, comprising a body (1), characterized in that, The upper wall of the machine body (1) is rotatably provided with a third rotating shaft (21). The side surface of the third rotating shaft (21) is fixedly provided with a lower turntable (2), a first upper turntable (3), and a second upper turntable (4). The first upper turntable (3) is provided with multiple upper limit positions of different specifications. The upper limit position includes an upper limit plate (27) and an upper limit shaft (26). The first upper turntable (3) and the second upper turntable (4) are provided with multiple L-shaped rods (6). The L-shaped rods (6) can slide vertically within the first upper turntable (3) and the second upper turntable (4). The L-shaped rods (6) can also rotate within the first upper turntable (3) and the second upper turntable (4). The lower end of the L-shaped rods (6) is rotatably provided with the upper limit plate (27). The bottom surface of the upper limit plate (27) is fixedly provided with the upper limit shaft (26). The lower turntable (2) is provided with multiple upper limit positions. The lower limit part has different specifications and matches the upper limit part. The lower limit part is located directly below the upper limit part. The lower limit part includes a lower limit disk (29), a lower limit shaft (28), and a limit key (33). Multiple fifth rotating shafts (30) are rotatably provided inside the lower turntable (2). The lower limit disk (29) is fixedly provided at the upper end of the fifth rotating shaft (30). The lower limit shaft (28) is fixedly provided on the top surface of the lower limit disk (29). The limit key (33) is fixedly provided on the side surface of the lower limit shaft (28). A driven spur gear (31) is fixedly provided at the lower end of the fifth rotating shaft (30). A fourth rotating shaft (9) is rotatably provided inside the upper wall of the machine body (1). A driving spur gear (32) is fixedly provided at the upper end of the fourth rotating shaft (9). The driving spur gear (32) meshes with the driven spur gear (31).

2. The welding positioning device for impeller processing according to claim 1, characterized in that, The lower end of the third rotating shaft (21) is rotatably connected to the inner bottom surface of the body (1). A third bevel gear (20) is fixedly provided on the side surface of the third rotating shaft (21) and inside the body (1). A first fixing plate (18) is fixedly provided on the inner surface of the body (1). A first rotating shaft (17) is rotatably provided inside the first fixing plate (18) and one side wall of the body (1). A first bevel gear (19) is fixedly provided at one end of the first rotating shaft (17). The first bevel gear (19) meshes with the third bevel gear (20). A first rotating plate (14) is fixedly provided at the other end of the first rotating shaft (17).

3. The welding positioning device for impeller machining according to claim 2, characterized in that, The first rotating plate (14) is rotatably provided with a first rotating cylinder (37), and the first rotating cylinder (37) is slidably provided with a first pin (13). The first pin (13) is fixedly provided with a first force ring (39) on its side surface and inside the first rotating cylinder (37). The first pin (13) is fitted with a first spring (38). The first spring (38) presses against the first force ring (39) and the inner surface of the first rotating cylinder (37). The machine body (1) is provided with a plurality of first insertion holes (16) on one side surface and around the first rotating shaft (17). The first insertion holes (16) match the first pin (13). The number of the first insertion holes (16) is the same as the number of the fifth rotating shaft (30).

4. The welding positioning device for impeller machining according to claim 1, characterized in that, The lower end of the fourth rotating shaft (9) is fixedly provided with a fourth bevel gear (10), the inner surface of the body (1) is fixedly provided with a second fixing plate (23), the second fixing plate (23) and the side wall of the body (1) are rotatably provided with a second rotating shaft (24), one end of the second rotating shaft (24) is fixedly provided with a second bevel gear (22), the second bevel gear (22) meshes with the fourth bevel gear (10), and the other end of the second rotating shaft (24) is fixedly provided with a second rotating plate (12).

5. The welding positioning device for impeller machining according to claim 4, characterized in that, The second rotating plate (12) is rotatably provided with a second rotating cylinder (34), and the second rotating cylinder (34) is slidably provided with a second pin (11). The side surface of the second pin (11) and located inside the second rotating cylinder (34) is fixedly provided with a second force ring (36). The second pin (11) is sleeved with a second spring (35). The second spring (35) presses against the second force ring (36) and the inner surface of the second rotating cylinder (34). The side surface of the machine body (1) and located around the second rotating shaft (24) are provided with a plurality of second insertion holes (15). The second insertion holes (15) are matched with the second pin (11).

6. The welding positioning device for impeller machining according to claim 1, characterized in that, The L-shaped rod (6) is fitted with a third spring (7). A limiting ring (8) is fixedly provided on the side surface of the L-shaped rod (6) between the first upper turntable (3) and the second upper turntable (4). The third spring (7) presses against the limiting ring (8) and the second upper turntable (4).

7. The welding positioning device for impeller machining according to claim 1, characterized in that, The top surface of the second upper turntable (4) is fixedly provided with multiple card plates (5), and the top surface of the card plates (5) is provided with a slot (25), which can be engaged with the upper part of the L-shaped rod (6).

8. The welding positioning device for impeller machining according to claim 1, characterized in that, An impeller hub (40) can be clamped between the upper limit part and the lower limit part. The impeller hub (40) is provided with a shaft hole (41). The inner surface of the shaft hole (41) is provided with a keyway (42). The upper limit shaft (26) and the lower limit shaft (28) are matched with the shaft hole (41). The keyway (42) is matched with the limit key (33).