Welding tool for stamping impeller

Abstract

The utility model discloses a welding tool for a stamping impeller, relates to the technical field of welding tools, and adopts the scheme that the welding tool comprises a first base, a first limiting mechanism is mounted on the upper surface of the first base, and first positioning grooves are formed in the opposite surfaces of the upper inner wall and the lower inner wall of the first limiting mechanism; an impeller rear cover plate and blades are sequentially placed in the first positioning groove from bottom to top, and three first pressing mechanisms are evenly distributed on the portion, corresponding to the first positioning mechanism and the first limiting mechanism, of the upper surface of the first base in the circumferential direction. Comprising a second base, and a second limiting mechanism is mounted on the upper surface of the second base; in the welding process of the stamping and welding impeller, compared with welding without a tool, the stamping and welding impeller welding tool ensures the accuracy and stability of the size of the impeller in the welding process, the size of the welded impeller conforms to the machining size, the operation stability of a stamping and welding pump is improved, the service life of the stamping and welding pump is prolonged, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tooling, in particular to a welding tooling for a stamping impeller. Background Art

[0002] Welding pumps have been widely used in farmland irrigation, rural domestic water, factory water, urban domestic water, fountains, etc. The welding performance of the impeller of the welding pump determines the service life and stability of the welding pump.

[0003] In the prior art, impeller welding is mostly done manually by argon arc welding, and the tooling used is mostly simple tooling. During welding, the fitting size of the blades and the front and rear cover plates cannot be guaranteed, which greatly affects the welding performance and the overall size of the impeller, resulting in a large difference between the final impeller size and the drawing size, reducing the service life of the impeller, and further affecting the performance of the entire water pump, causing a high scrap rate and increasing costs in disguise. Utility Model Content

[0004] The utility model provides a welding tool for a stamping impeller to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding tool for stamping impellers, comprising a first base, a first limiting mechanism is installed on the upper surface of the first base, first positioning grooves are provided on the upper and lower inner walls of the first limiting mechanism facing each other, an impeller rear cover plate and blades are placed in the first positioning grooves in sequence from bottom to top, a positioning mechanism is provided at the middle of the upper surface of the first clamping mechanism, and three first clamping mechanisms are evenly arranged along the circumferential direction on the upper surface of the first base corresponding to the first limiting mechanism;

[0006] It includes a second base, a second limiting mechanism is installed on the upper surface of the second base, second positioning grooves are opened on the upper and lower inner walls of the second limiting mechanism facing each other, the impeller front cover plate, blades and impeller rear cover plate are placed in the second positioning groove from bottom to top in sequence, and three second clamping mechanisms are evenly distributed along the circumferential direction on the upper surface of the second base corresponding to the first limiting mechanism.

[0007] Furthermore, the first limiting mechanism includes a lower module and an upper module, the lower module is fixedly mounted on the upper surface of the first base, and the upper surface of the upper module is placed on the upper module.

[0008] Furthermore, the lower module is locked and fixed to the first base by locking bolts.

[0009] Furthermore, the second limiting mechanism has the same structure as the first limiting mechanism.

[0010] Furthermore, the positioning mechanism includes a socket and a positioning rod, a socket is provided at a middle position of the lower module and the upper module, and a positioning rod is inserted into the socket.

[0011] Furthermore, the first clamping mechanism includes a rotating cylinder and a pressure rod, the rotating cylinder is fixedly installed on the upper surface of the first base, the pressure rod is fixedly installed on the upper surface of the piston of the rotating cylinder, and the pressure rod is pressed on the upper surface of the upper module.

[0012] Furthermore, the second pressing mechanism has the same structure as the first pressing mechanism.

[0013] Compared with the prior art, the utility model provides a welding tool for stamping impellers, which has the following beneficial effects:

[0014] The stamping impeller welding tooling positions the impeller rear cover plate and the blades by setting a first limiting mechanism and a positioning mechanism, so that the impeller rear cover plate and the blades are welded and fixed, and then the impeller rear cover plate, the blades and the impeller front cover plate are limited by the second limiting mechanism, and the impeller front cover plate is welded. During the welding process of the stamping and welding impeller, compared with welding without using tooling, the stamping and welding impeller welding tooling ensures the accuracy and stability of the impeller size during the welding process, so that the size of the impeller after welding meets the processing size, increases the operating stability and service life of the stamping and welding pump, and reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the welding tooling structure of the impeller rear cover plate of the utility model;

[0016] Figure 2 It is a top view schematic diagram of the impeller rear cover welding tooling of the utility model;

[0017] Figure 3 This is a schematic diagram of the welding tooling structure of the impeller front cover plate of the utility model;

[0018] Figure 4 It is a top view schematic diagram of the impeller front cover welding tooling of the utility model.

[0019] In the figure: 1. first base; 2. first limiting mechanism; 201. lower module; 202. upper module; 3. first positioning groove; 4. impeller rear cover; 5. blades; 6. positioning mechanism; 601. socket; 602. positioning rod; 7. first clamping mechanism; 701. rotary cylinder; 702. pressure rod; 8. second base; 9. second limiting mechanism; 10. second positioning groove; 11. impeller front cover; 12. second clamping mechanism; 13. locking bolt. DETAILED DESCRIPTION

[0020] 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 in 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.

[0021] See also Figure 1-Figure 4 The utility model discloses a welding tool for stamping impeller, comprising a first base 1, a first limiting mechanism 2 is installed on the upper surface of the first base 1, first positioning grooves 3 are provided on the upper and lower inner walls of the first limiting mechanism 2 facing each other, the first positioning grooves 3 are sufficient to accommodate six blades 5, the impeller rear cover plate 4 and the blades 5 are sequentially placed in the first positioning grooves 3 from bottom to top, a positioning mechanism 6 is located in the middle of the upper surface of the first clamping mechanism 7, and three first clamping mechanisms 7 are evenly arranged along the circumferential direction on the upper surface of the first base 1 corresponding to the first limiting mechanism 2;

[0022] It includes a second base 8, a second limiting mechanism 9 is installed on the upper surface of the second base 8, second positioning grooves 10 are provided on the upper and lower inner walls facing each other, and an impeller front cover plate 11, blades 5 and an impeller rear cover plate 4 are placed in the second positioning groove 10 from bottom to top, and three second clamping mechanisms 12 are evenly distributed along the circumferential direction on the upper surface of the second base 8 corresponding to the first limiting mechanism 2.

[0023] Specifically, the first limiting mechanism 2 includes a lower module 201 and an upper module 202 , the lower module 201 is fixedly mounted on the upper surface of the first base 1 , and the upper surface of the upper module 202 is placed on the upper module 202 .

[0024] In this embodiment, a first positioning groove 3 is provided on the upper and lower facing surfaces of the lower module 201 and the upper module 202. The lower module 201 and the upper module 202 position and fix the impeller rear cover plate 4 and the blades 5 through the first positioning groove 3, and a guide column is provided on the first base 1 corresponding to the lower module 201 and the upper module 202.

[0025] Specifically, the lower module 201 is locked and fixed to the first base 1 by means of locking bolts 13 .

[0026] In this embodiment, the locking bolts 13 make the lower module 201 and the first base 1 a detachable structure, which facilitates the disassembly and assembly of the lower module 201.

[0027] Specifically, the second limiting mechanism 9 has the same structure as the first limiting mechanism 2 .

[0028] In this embodiment, the second limiting mechanism 9 is convenient for limiting and fixing the impeller front cover plate 11, the blades 5 and the impeller rear cover plate 4.

[0029] Specifically, the positioning mechanism 6 includes a socket 601 and a positioning rod 602 . The socket 601 is provided at the middle of the lower module 201 and the upper module 202 , and the positioning rod 602 is inserted into the socket 601 .

[0030] In this embodiment, the positioning rod 602 is inserted into the insertion hole 601 to limit the blade 5 and the middle part of the impeller rear cover plate 4.

[0031] Specifically, the first clamping mechanism 7 includes a rotating cylinder 701 and a pressure rod 702 . The rotating cylinder 701 is fixedly mounted on the upper surface of the first base 1 . The pressure rod 702 is fixedly mounted on the upper surface of the piston of the rotating cylinder 701 , and the pressure rod 702 is pressed on the upper surface of the upper module 202 .

[0032] In this embodiment, the output shaft of the rotating cylinder 701 can rotate the pressure rod 702. When the pressure rod 702 moves downward with the piston of the rotating cylinder 701, the pressure rod 702 is pressed against the upper module 202 to achieve a limiting and fixing effect.

[0033] Specifically, the second pressing mechanism 12 has the same structure as the first pressing mechanism 7 .

[0034] In this embodiment, the second pressing mechanism 12 enables the second limiting mechanism 9 to be pressed and fixed.

[0035] When in use, the blade 5 and the impeller rear cover plate 4 are placed in the first positioning groove 3 on the upper surface of the lower module 201 in the first limiting mechanism 2, and then the upper module 202 is covered on the upper surface of the lower module 201, and the upper first positioning groove 3 is covered on the blade 5 and the impeller rear cover plate 4, and then the positioning rod 602 in the positioning mechanism 6 is inserted into the insertion hole 601 to limit the blade 5 and the middle part of the impeller rear cover plate 4, and the pressure rod 702 can be rotated by the output shaft of the rotating cylinder 701 in the first clamping mechanism 7. When the pressure rod 702 moves downward with the piston of the rotating cylinder 701, the pressure rod 702 is pressed on the upper module 202, so that the upper module 202 and the lower module 201 limit and fix the blade 5 and the impeller rear cover plate 4 , and then welding is carried out. After welding is completed, the welded blades 5 and the impeller rear cover plate 4 are taken out, and the impeller front cover plate 11 and the welded blades 5 and the impeller rear cover plate 4 are placed in the second positioning groove 10 in the second limiting mechanism 9 from bottom to top in sequence, and then the second limiting mechanism 9 is used to press and fix the impeller front cover plate 11 and the welded blades 5 and the impeller rear cover plate 4 through the second clamping mechanism 12, and then welding is carried out. During the welding process of the punching and welding impeller, compared with welding without using tooling, the punching and welding impeller welding tooling ensures the accuracy and stability of the impeller size during the welding process, so that the size of the impeller after welding meets the processing size, increases the operating stability and service life of the punching and welding pump, and reduces costs.

[0036] To sum up, the stamped impeller uses a welding tool. During the welding process, compared with welding without using a tool, the stamped impeller welding tool ensures the accuracy and stability of the impeller size during the welding process, makes the impeller size after welding meet the processing size, increases the operating stability and service life of the stamped welding pump, and reduces costs.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding tool for a stamped impeller, comprising a first base (1), characterized in that: A first limiting mechanism (2) is installed on the upper surface of the first base (1); first positioning grooves (3) are provided on the upper and lower inner walls of the first limiting mechanism (2) facing each other; an impeller rear cover plate (4) and blades (5) are placed in the first positioning grooves (3) in order from bottom to top; three first clamping mechanisms (7) are evenly arranged along the circumferential direction on the upper surface of the first base (1) corresponding to the first limiting mechanism (2); and a positioning mechanism (6) is provided in the middle of the upper surface of the first clamping mechanism (7); The invention comprises a second base (8), a second limiting mechanism (9) being installed on the upper surface of the second base (8), second positioning grooves (10) being provided on the upper and lower inner walls of the second limiting mechanism (9) facing each other, an impeller front cover plate (11), blades (5) and an impeller rear cover plate (4) being placed in the second positioning grooves (10) in order from bottom to top, and three second clamping mechanisms (12) being evenly arranged along the circumferential direction on the upper surface of the second base (8) corresponding to the first limiting mechanism (2).

2. The welding tool for stamping impeller according to claim 1, characterized in that: The first limiting mechanism (2) comprises a lower module (201) and an upper module (202), wherein the lower module (201) is fixedly mounted on the upper surface of the first base (1), and the upper surface of the upper module (202) is placed on the upper module (202).

3. The welding tool for stamping impeller according to claim 2, characterized in that: The lower module (201) is locked and fixed to the first base (1) via locking bolts (13).

4. The welding tool for stamping impeller according to claim 1, characterized in that: The second limiting mechanism (9) has the same structure as the first limiting mechanism (2).

5. The welding tool for stamping impeller according to claim 2, characterized in that: The positioning mechanism (6) comprises a socket (601) and a positioning rod (602); the socket (601) is provided at the middle of the lower module (201) and the upper module (202); and the positioning rod (602) is inserted into the socket (601).

6. The welding tool for stamping impeller according to claim 1, characterized in that: The first clamping mechanism (7) comprises a rotating cylinder (701) and a pressure rod (702); the rotating cylinder (701) is fixedly mounted on the upper surface of the first base (1); the pressure rod (702) is fixedly mounted on the upper surface of the piston of the rotating cylinder (701), and the pressure rod (702) is pressed on the upper surface of the upper module (202).

7. The welding tool for stamping impeller according to claim 1, characterized in that: The second pressing mechanism (12) has the same structure as the first pressing mechanism (7).

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