Welding limiting device for fan impeller machining

Abstract

The utility model relates to the technical field of fan welding, and discloses a welding limiting device for fan impeller processing, which comprises a chassis and a fan seat, a base is arranged on the top wall surface of the chassis, the top wall surface of the base is in a hollow state, a limiting rod is fixedly arranged in a cavity of the base, a movable plate is arranged on the side wall of the limiting rod, and a fan is arranged on the movable plate. A limiting hole is formed in the side wall face, close to the limiting rod, of the movable plate and connected with the limiting rod in a sleeving mode, an extension rod is fixedly installed at the end, away from the limiting rod, of the movable plate, and a limiting disc is fixedly installed at the end, away from the movable plate, of the extension rod. A limiting device capable of limiting the fan blade to facilitate welding is arranged above the movable plate, and the limiting device comprises two soft cushions. According to the blade welding device, the blades can be limited through the limiting device to assist a worker in welding the blades, the working time can be saved for the worker, and compared with the prior art, the worker does not need to conduct preposition work.

Description

Technical Field

[0001] The utility model belongs to the technical field of fan welding, and in particular relates to a welding limiter for processing a fan impeller. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. A fan is a commonly used driven fluid machine, and the fan impeller is the main component of the fan. The impeller refers to the wheel with moving blades, which is used in equipment such as fans and water pumps, and can also refer to the general term for the wheel and the rotating blades installed on it.

[0003] In the prior art, some equipment for automatic welding of impellers usually has a clamping tool that can rotate and flip to fix the impeller, and then a mechanical arm controls the welding gun to weld the various connection positions of the impeller according to a preset intelligent program. However, this welding method requires preliminary welding of the front disc, rear disc, blades and other parts required by the impeller to ensure that all parts can maintain a mutually connected relationship. Therefore, certain preparatory work is still required, and the staff may be injured by splashing sparks during the manual welding process, which has certain disadvantages.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0006] A welding limit device for processing fan impellers comprises a chassis and a fan seat, a base is arranged on the top wall of the chassis, the top wall of the base is in a hollow state, a limit rod is fixedly installed in the cavity, a movable plate is arranged on the side wall of the limit rod, a limit hole is opened on the side wall of the movable plate close to the limit rod, the limit hole is sleeved with the limit rod, an extension rod is fixedly installed on the end of the movable plate away from the limit rod, a limit plate is fixedly installed on the end of the extension rod away from the movable plate, the fan seat is engaged with the limit plate, a limit device is arranged above the movable plate for limiting the fan blades to facilitate welding, and the limit device comprises two soft pads.

[0007] As a preferred embodiment of the utility model, a displacement groove is provided on the top wall surface of the movable plate, a first through hole is provided on the right wall surface of the displacement groove, a threaded rod is provided in the cavity of the displacement groove, the threaded rod passes through the first through hole, a driving rod is provided above the movable plate, the lower part of the driving rod is in a convex state, and the convex end thereof is stuck in the cavity of the displacement groove, the threaded rod passes through the convex end of the driving rod and is threadedly connected to the driving rod.

[0008] As a preferred embodiment of the utility model, a driving groove is provided on the front right wall surface of the driving rod, a rotating rod is provided at the front and rear sides of the cavity of the driving groove, and a torsion spring is fixedly installed on the upper and lower side walls on the left side of the two rotating rods;

[0009] As a preferred embodiment of the utility model, a third through hole is provided on the side walls of the two rotating rods, two linkage rods are arranged on the two rotating rods, a rotating column is fixedly installed on the side wall surface where the two linkage rods are close to each other, the rotating column is sleeved with the third through hole, a clamping plate is fixedly installed on the side wall surface where the two groups of linkage rods are close to each other, and the two soft pads are respectively fixedly installed on the side wall surface where the two clamping plates are close to each other.

[0010] As a preferred embodiment of the utility model, the plurality of torsion springs are fixedly connected to the upper and lower side walls of the cavity of the driving groove, and a sleeve is fixedly installed at a position corresponding to the torsion spring in the cavity of the driving groove, and the torsion spring is located in the cavity of the sleeve.

[0011] As a preferred embodiment of the utility model, a motorized plate is arranged above the movable plate, and a motorized rod is fixedly installed on both the front and rear ends of the bottom wall of the motorized plate. Two second through holes connected to the driving groove are provided on the top wall of the movable plate, and the motorized rod passes through the second through holes and extends into the cavity of the driving groove.

[0012] As a preferred embodiment of the utility model, a motor block is fixedly installed on the bottom wall of the two motor rods, and an inclined groove is opened on the bottom wall of the two rotating rods. The motor rods are fitted with the inclined grooves, and the two inclined grooves are in an inclined state from low to high, from approaching to moving away from each other.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In summary, by setting a limit device, the blade can be limited by the limit device to assist the staff in welding it, and it can also save working time for the staff. Compared with the prior art, it does not require the staff to perform preliminary work, and has the characteristics of easy use and simple structure.

[0015] 2. In summary, by setting the movable plate, the displacement groove, the first perforation, the threaded rod and the driving rod, the staff can control the movement of the driving rod by rotating the threaded rod. The movement of the driving rod can assist in limiting the position of the blade. After the blade is limited, the welding operation can be carried out. It is easy to use and has a simple structure.

[0016] 3. In summary, by setting a driving rod, a driving slot, a second perforation, a rotating rod, a cushion, a clamping plate, a rotating column, a third perforation, an inclined slot, a linkage rod, a sleeve, a torsion spring, a motorized plate, a motorized rod and a motorized block, the staff can control the two cushions to clamp the blades by pressing or pulling the motorized plate. After clamping, the blades can be welded. The rotation of the rotating column and the characteristics of the cushion can make the cushion fit the blades more closely, achieving a good clamping effect.

[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In the attached picture:

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a three-dimensional view of one side of the movable plate 13 of the utility model;

[0021] Figure 3 This is a three-dimensional view of the other side of the movable plate 13 of the utility model;

[0022] Figure 4 This is a three-dimensional diagram of one side of the limit device of the utility model;

[0023] Figure 5 This is a three-dimensional diagram of the other side of the limiting device of the utility model;

[0024] Figure 6 It is a three-dimensional diagram of the rotating rod 25 of the utility model;

[0025] Figure 7 It is a three-dimensional diagram of the motorized plate 34 of the present utility model.

[0026] In the figure: 10, chassis; 11, base; 12, limit rod; 13, movable plate; 14, limit hole; 15, limit plate; 16, fan base; 17, extension rod; 19, first through hole; 20, displacement slot; 21, threaded rod; 22, drive rod; 23, drive slot; 24, second through hole; 25, rotating rod; 26, cushion; 27, clamping plate; 28, rotating column; 29, third through hole; 30, inclined slot; 31, linkage rod; 32, sleeve; 33, torsion spring; 34, motor plate; 35, motor rod; 36, motor block. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0028] like Figure 1 , Figure 2 and Figure 3 As shown, a welding limit device for processing a fan impeller comprises a chassis 10 and a fan seat 16, a base 11 is arranged on the top wall of the chassis 10, the top wall of the base 11 is in a hollow state, a limit rod 12 is fixedly installed in its cavity, a movable plate 13 is arranged on the side wall of the limit rod 12, a limit hole 14 is opened on the side wall of the movable plate 13 close to the limit rod 12, the limit hole 14 is sleeved with the limit rod 12, an extension rod 17 is fixedly installed on the end of the movable plate 13 away from the limit rod 12, a limit plate 15 is fixedly installed on the end of the extension rod 17 away from the movable plate 13, the fan seat 16 is engaged with the limit plate 15, a limit device which can limit the fan blades to facilitate welding is arranged above the movable plate 13, and the limit device comprises two cushions 26.

[0029] It is worth noting that the chassis 10, base 11, limiting rod 12, movable plate 13, limiting hole 14, limiting plate 15, fan base 16 and extension rod 17 are all prior art, and the specific welding method has also been disclosed in the prior art and will not be described in detail here.

[0030] During specific use, the limiter can limit the fan blades, which can not only assist the staff in welding the blades to the fan, but also save a certain amount of working time for the staff.

[0031] To sum up, by setting a limit device, the blade can be limited by the limit device to assist the staff in welding it, and it can also save working time for the staff. Compared with the existing technology, it does not require the staff to perform preliminary work, and has the characteristics of easy use and simple structure.

[0032] like Figure 4 As shown, a displacement groove 20 is provided on the top wall of the movable plate 13, a first through hole 19 is provided on the right wall of the displacement groove 20, a threaded rod 21 is provided in the cavity of the displacement groove 20, and the threaded rod 21 passes through the first through hole 19, a driving rod 22 is provided above the movable plate 13, the lower part of the driving rod 22 is in a convex state, and its convex end is stuck in the cavity of the displacement groove 20, the threaded rod 21 passes through the convex end of the driving rod 22 and is threadedly connected with the driving rod 22.

[0033] During specific use, when the staff rotates the threaded rod 21, the drive rod 22 can be driven to move left and right through the threaded connection between the threaded rod 21 and the drive rod 22 and the limiting of the displacement groove 20. The first perforation 19 can limit the drive rod 22. The movement of the drive rod 22 can facilitate the two soft pads 26 to limit the blades. The specific clamping method will be discussed below.

[0034] To sum up, by setting the movable plate 13, the displacement groove 20, the first through hole 19, the threaded rod 21 and the driving rod 22, the staff can control the movement of the driving rod 22 by rotating the threaded rod 21. The movement of the driving rod 22 can assist in limiting the position of the blade. After the blade is limited, the welding operation can be carried out. It is easy to use and has a simple structure.

[0035] like Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, a driving groove 23 is opened on the front right wall surface of the driving rod 22, and a rotating rod 25 is arranged at the front and rear sides of the cavity of the driving groove 23, and a torsion spring 33 is fixedly installed on the upper and lower side walls on the left side of the two rotating rods 25.

[0036] The multiple torsion springs 33 are fixedly connected to the upper and lower side walls of the cavity of the driving groove 23 respectively. A sleeve 32 is fixedly installed at a position corresponding to the torsion spring 33 in the cavity of the driving groove 23, and the torsion spring 33 is located in the cavity of the sleeve 32.

[0037] A motorized plate 34 is arranged above the movable plate 13, and a motorized rod 35 is fixedly installed at both ends of the front and rear ends of the bottom wall of the motorized plate 34. Two second through holes 24 connected to the driving groove 23 are arranged on the top wall of the movable plate 13, and the motorized rod 35 passes through the second through holes 24 and extends into the cavity of the driving groove 23.

[0038] A motor block 36 is fixedly installed on the bottom wall of the two motor levers 35, and an inclined groove 30 is opened on the bottom wall of the two rotating rods 25. The motor lever 35 fits the inclined groove 30, and the two inclined grooves 30 are in an inclined state from low to high, approaching each other and moving away from each other.

[0039] A third through hole 29 is formed on the side walls of the two rotating rods 25, and two linkage rods 31 are arranged on the two rotating rods 25. A rotating column 28 is fixedly installed on the wall surface on one side where the two linkage rods 31 are close to each other. The rotating column 28 is sleeved with the third through hole 29. A clamping plate 27 is fixedly installed on the wall surface on one side where the two sets of linkage rods 31 are close to each other, and two soft pads 26 are respectively fixedly installed on the wall surface on one side where the two clamping plates 27 are close to each other.

[0040] When the staff member presses the motor plate 34, the two motor rods 35 can be driven to move downward, and the two motor rods 35 can be driven to move downward, and the second through-hole 24 can limit the motor plate 34. The two motor blocks 36 can move downward, and the inclined surface of the inclined groove 30 can be used to make the rotating rod 25 rotate around the torsion spring 33. The rotation of the rotating rod 25 can make the right ends of the two rotating rods 25 move away from each other. At this time, the staff member can rotate the threaded rod 21 to move the driving rod 22 to the right, so that the blade is located between the left ends of the two rotating rods 25, and then pull the motor plate 34 upward to make the two The rotating rod 25 is automatically reset by the force of the torsion spring 33, and the sleeve 32 can prevent the torsion spring 33 from twisting and deforming. When the two rotating rods 25 move to a position close to each other, the two sets of linkage rods 31 can be driven to move to a position close to each other through the third through hole 29 and the rotating column 28. The movement of the two linkage rods 31 can drive the two clamping plates 27 to move. The movement of the two clamping plates 27 can drive the two cushions 26 to move to a position close to each other and clamp the blades. Through the connection between the third through hole 29 and the rotating column 28 and the characteristics of the cushion 26, the rotating column 28 can be rotated to make the cushion 26 fit the blade, thereby achieving a better clamping effect.

[0041] To summarize, by setting the driving rod 22, driving slot 23, second through hole 24, rotating rod 25, cushion 26, clamping plate 27, rotating column 28, third through hole 29, inclined slot 30, linkage rod 31, sleeve 32, torsion spring 33, motor plate 34, motor rod 35 and motor block 36, the staff can control the two cushions 26 to clamp the blades by pressing or pulling the motor plate 34. After clamping, the blades can be welded. Through the rotation of the rotating column 28 and the characteristics of the cushion 26, the cushion 26 can fit the blades more closely, achieving a good clamping effect.

[0042] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A welding limit device for processing a fan impeller, comprising a chassis (10) and a fan seat (16), wherein a base (11) is arranged on the top wall of the chassis (10), the top wall of the base (11) is in a hollow state, a limit rod (12) is fixedly installed in the cavity thereof, a movable plate (13) is arranged on the side wall of the limit rod (12), a limit hole (14) is opened on the side wall of the movable plate (13) close to the limit rod (12), the limit hole (14) is sleeved with the limit rod (12), an extension rod (17) is fixedly installed on one end of the movable plate (13) away from the limit rod (12), a limit plate (15) is fixedly installed on one end of the extension rod (17) away from the movable plate (13), the fan seat (16) is engaged with the limit plate (15), and the fan seat (16) is characterized in that: A limiting device is arranged above the movable plate (13) and can limit the position of the fan blades to facilitate welding. The limiting device includes two soft pads (26).

2. The welding limiter for fan impeller processing according to claim 1 is characterized in that: A displacement groove (20) is provided on the top wall surface of the movable plate (13), a first through hole (19) is provided on the right wall surface of the displacement groove (20), a threaded rod (21) is provided in the cavity of the displacement groove (20), and the threaded rod (21) passes through the first through hole (19), a driving rod (22) is provided above the movable plate (13), the lower part of the driving rod (22) is in a convex state, and the convex end thereof is stuck in the cavity of the displacement groove (20), and the threaded rod (21) passes through the convex end of the driving rod (22) and is threadedly connected with the driving rod (22).

3. The welding limiter for fan impeller processing according to claim 2 is characterized in that: A driving groove (23) is provided on the front right wall surface of the driving rod (22), a rotating rod (25) is provided at both the front and rear sides of the cavity of the driving groove (23), and a torsion spring (33) is fixedly installed on the upper and lower side walls on the left side of the two rotating rods (25); A third through hole (29) is formed on the side walls of the two rotating rods (25), and two linkage rods (31) are provided on the two rotating rods (25). A rotating column (28) is fixedly installed on the side wall surfaces of the two linkage rods (31) close to each other, and the rotating column (28) is sleeved with the third through hole (29). A clamping plate (27) is fixedly installed on the side wall surfaces of the two groups of linkage rods (31) close to each other, and two soft pads (26) are respectively fixedly installed on the side wall surfaces of the two clamping plates (27) close to each other.

4. The welding limiter for fan impeller processing according to claim 3 is characterized in that: The plurality of torsion springs (33) are fixedly connected to the upper and lower side walls of the cavity of the driving groove (23), respectively; a sleeve (32) is fixedly installed at a position corresponding to the torsion spring (33) in the cavity of the driving groove (23); and the torsion spring (33) is located in the cavity of the sleeve (32).

5. The welding limiter for fan impeller processing according to claim 4, characterized in that: A motorized plate (34) is arranged above the movable plate (13), and a motorized rod (35) is fixedly mounted on both the front and rear ends of the bottom wall of the motorized plate (34). Two second through holes (24) that are interconnected with the driving groove (23) are arranged on the top wall of the movable plate (13), and the motorized rod (35) passes through the second through holes (24) and extends into the cavity of the driving groove (23).

6. The welding limiter for fan impeller processing according to claim 5, characterized in that: A motor block (36) is fixedly mounted on the bottom wall of each of the two motor levers (35), and an inclined groove (30) is provided on the bottom wall of each of the two rotating levers (25). The motor levers (35) fit the inclined grooves (30), and the two inclined grooves (30) are in an inclined state from low to high, from approaching each other to moving away from each other.

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