CN215546156U

CN215546156U - Fan impeller welding fixture

Info

Publication number: CN215546156U
Application number: CN202120164505.7U
Authority: CN
Inventors: 张慧议
Original assignee: Weihai Hengshan Zhengyuan Fan Co ltd
Current assignee: Weihai Hengshan Zhengyuan Fan Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2022-01-18
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a welding fixture for a fan impeller, which comprises a lifting device mounting seat, a bolt connection, a lifting device, a welding positioning fixture body, a working platform, a rotating assembly, a translation assembly, a lifting assembly, a base, a mounting groove, a mounting column, a mounting disc, a screw rod, a positioning component and a hub. The utility model can better position the radial position of the welding piece, effectively improve the deformation of the welding piece, and simultaneously the positioning structure can be loosened and tightened, so that the welding piece can be taken and put more easily, and the deformation of the welding piece after welding can be greatly improved. The utility model discloses a locating component uses with the cooperation of flexible clamp splice to carry out a lot of location centre gripping, can prevent from this that welding piece from taking place the skew at welded in-process and leading to the inaccurate of welding position, increased the product disqualification rate and reduced the appearance of the circumstances such as production efficiency.

Description

Fan impeller welding fixture

Technical Field

The utility model discloses a welding fixture for a fan impeller, and particularly relates to the technical field of machinery.

Background

The impeller of the axial flow fan is a core component of the axial flow fan, the shape, the size and the angle of the impeller relate to important parameters of the fan such as wind pressure, wind volume and the like, the dynamic balance of the fan can be influenced by different angles and positions of each blade of the impeller groove, the labor efficiency of workers can be influenced by the vibration and the noise generated by the dynamic balance, and meanwhile, the welding firmness degree and the appearance quality of parts are different due to different welding technologies of the workers. But at present, the commonly used fan impeller welding fixture does not have a positioning structure in the use process, and is fixed only by compressing the periphery of the impeller, so that the welding position is possibly inaccurate due to the deviation in the welding process, the product reject ratio is increased, and the production efficiency is reduced.

Disclosure of Invention

The utility model aims to solve the defects of the prior art, and provides a fan impeller welding fixture, which aims to solve the problems that the existing common fan impeller welding fixture provided in the background art does not have a positioning structure in the use process, the fixation is realized only by pressing the periphery of an impeller, and the welding position is possibly inaccurate due to deviation in the welding process, so that the product reject ratio is increased, the production efficiency is reduced, and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fan impeller welding jig, includes elevating gear mount pad, bolted connection, elevating gear, welding set, welding position anchor clamps body, work platform, rotatory assembly, translation assembly, lift assembly, base, mounting groove, erection column, installation disc, screw rod, locating component, wheel hub, flexible clamp splice, flexible spout, spring, impeller groove, locating component is provided with reference column, locating piece, logical groove, bearing block, deformation piece, lock ring, mount pad, sharp actuating mechanism.

Preferably, the base upside fixed welding is provided with the lift assembly, built-in drive arrangement of lift assembly, the lateral part terminal surface of the lifting rail side sliding connection translation assembly of lift assembly, the translation assembly adopts guide rail, slider combination to form, the translation assembly is connected in the lift assembly side with liftable, built-in translation cylinder of translation assembly.

Preferably, rotatory assembly is connected in translation assembly upside translation, lifting assembly and rotatory assembly are current structure, do not describe in detail again, the fixed welding position anchor clamps body that is provided with of work platform upside on rotatory assembly top, the whole ring shape setting that is of welding position anchor clamps body on rotatory assembly top. The welding device is correspondingly arranged right above the welding positioning fixture body and located at the top end of the lifting device, the lifting device mounting seat is fixedly arranged at the bottom end of the lifting device, and the lifting device mounting seat is fixedly mounted on the upper side of the base through bolt connection.

Preferably, the fixed impeller groove that is provided with of welding position anchor clamps body top end face, the shape in impeller groove accords with impeller blade shape, the setting of impeller groove chamfer for can not receive the hindrance during the welding, improve welding precision, the central point in impeller groove puts and is provided with wheel hub, wheel hub can be used to install external impeller.

Preferably, a screw rod is arranged inside the positioning hole of the mounting disc, the screw rod is arranged around the center of the mounting disc in a divergent manner, one end of the screw rod is arranged towards the center of the circle, and the other end of the screw rod penetrates through the side wall of the mounting disc and is fixed by an external nut.

Preferably, the left side and the right side of the upper side of the clamping plate of the mounting disc are fixedly provided with mounting grooves, mounting columns are arranged in the mounting grooves, the mounting columns are matched with the mounting grooves for clamping connection, springs are sleeved on the upper side of the screw rod, telescopic sliding grooves are formed in the upper side of the mounting disc close to the side wall of the hub, telescopic clamping blocks are arranged in the telescopic sliding grooves in a sliding connection mode, the top ends of the telescopic clamping blocks are arranged in a circular mode, and the other ends of the telescopic clamping blocks are abutted to the bottom end of the screw rod.

Preferably, a positioning assembly is arranged on the upper side of the mounting disc between two adjacent impeller grooves, the positioning components are arranged on the periphery of the hub in a circular ring array, the mounting seat is arranged on the lower side of the mounting disc, the bottom end of the mounting seat is provided with a linear driving mechanism, the upper side of the mounting seat is provided with a through groove which is communicated up and down, the top end of the mounting seat is provided with a deformation block, the through groove of the deformation block is communicated with the through groove arranged on the upper side of the mounting seat, a bearing block is arranged on the upper side of the through groove, a positioning block is arranged at the top end of a rotating shaft of the linear driving mechanism, the top end of the positioning block is fixedly provided with a positioning column which penetrates through the mounting disc and is abutted against the bottom end of the welding workpiece on the upper side, the deformation block has elasticity and the appearance is narrow down wide tube-shape, locating piece and reference column all adopt the appearance to be narrow down wide round platform form setting.

The utility model provides a welding fixture for a fan impeller, which has the following beneficial effects: the positioning assemblies are arranged on the upper side of the mounting disc between the two adjacent impeller grooves and are positioned on the periphery of the hub in a circular array, so that the radial position of the positioning assemblies can be better positioned, the deformation of a weldment is effectively improved, and meanwhile, the positioning structure can be loosened and tightened, so that the workpiece is easier to take and place, and the deformation of the weldment after welding can be greatly improved. Use novel adoption locating component and flexible clamp splice cooperation to use and carry out a lot of location centre gripping, can prevent from welding the skew and lead to welding position's inaccuracy taking place at the welded in-process from this, increased the product defective rate and reduced the appearance of circumstances such as production efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

fig. 1 is a schematic structural diagram of a welding jig for a fan impeller according to the present invention;

FIG. 2 is a schematic structural diagram of a welding fixture for a fan impeller according to the present invention;

FIG. 3 is a schematic structural view of a welding jig for a fan impeller according to the present invention;

in the figure: 1. a positioning column; 2. positioning blocks; 3. a through groove; 4. a pressure-bearing block; 5. a deformation block; 6. a locking ring; 7. a mounting seat; 8. a linear drive mechanism; 9. a lifting device mounting base; 10. connecting by bolts; 11. a lifting device; 12. a welding device; 13. welding a positioning clamp body; 14. a working platform; 15. a rotating assembly; 16. a translation assembly; 17. a lifting assembly; 18. a base; 19. mounting grooves; 20. mounting a column; 21. installing a disc; 22. a screw; 23. a positioning assembly; 24. a hub; 26. a telescopic clamping block; 27. a telescopic chute; 28. a spring; 29. impeller groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model discloses a welding fixture for a fan impeller, which comprises a lifting device mounting seat 9, a bolt connection 10, a lifting device 11, a welding device 12, a welding positioning fixture body 13, a working platform 14, a rotating assembly 15, a translation assembly 16, a lifting assembly 17, a base 18, a mounting groove 19, a mounting column 20, a mounting disc 21, a screw 22, a positioning component 23, a hub 24, a telescopic clamping block 26, a telescopic sliding groove 27, a spring 28 and an impeller groove 29, wherein the positioning component 23 is provided with a positioning column 1, a positioning block 2, a through groove 3, a bearing block 4, a deformation block 5, a locking ring 6, a mounting seat 7 and a linear driving mechanism 8.

As shown in fig. 1, the present embodiment provides a welding jig for a fan impeller, which is characterized in that: the fixed welding of 18 upsides of base is provided with lift assembly 17, the built-in drive arrangement of lift assembly 17, the lateral part terminal surface of lift guide rail sliding connection translation assembly 16 of lift assembly 17, translation assembly 16 adopts guide rail, slider combination to form, translation assembly 16 connects in lift assembly 17 side liftably, the built-in translation cylinder of translation assembly 16.

As shown in fig. 1, the present embodiment provides a welding jig for a fan impeller, which is characterized in that: the rotary assembly 15 is connected in a translation mode to the upper side of the translation assembly 16, the lifting assembly 17 and the rotary assembly 15 are of an existing structure and are not described in detail again, the welding positioning clamp body 13 is fixedly arranged on the upper side of the working platform 14 at the top end of the rotary assembly 15, and the welding positioning clamp body 13 at the top end of the rotary assembly is integrally arranged in a circular ring shape. The welding positioning fixture is characterized in that a welding device 12 is correspondingly arranged right above the welding positioning fixture body, the welding device 12 is located at the top end of a lifting device 11, a lifting device mounting seat 9 is fixedly arranged at the bottom end of the lifting device 11, and the lifting device mounting seat 9 is fixedly arranged on the upper side of a base 18 through a bolt connection 10.

As shown in fig. 2, the embodiment provides a welding jig for a fan impeller, which is characterized in that: the welding positioning fixture body 13 is fixedly provided with an impeller groove 29 on the top end face, the shape of the impeller groove is matched with the shape of the impeller blade, the impeller groove 29 is chamfered, so that the welding cannot be hindered, the welding precision is improved, a hub 24 is arranged at the center of the impeller groove 29, and the hub 24 can be used for installing an external impeller.

As shown in fig. 2, the embodiment provides a welding jig for a fan impeller, which is characterized in that: a screw 22 is arranged inside the positioning hole of the mounting disc 21, the screw 22 is arranged around the center of the mounting disc 21 in a divergent manner, one end of the screw 22 is arranged towards the center of the circle, and the other end of the screw 22 penetrates through the side wall of the mounting disc 21 and is fixed by an external nut.

As shown in fig. 2, the embodiment provides a welding jig for a fan impeller, which is characterized in that: the left side and the right side of the upper side of the clamping plate of the mounting disc 21 are both fixedly provided with mounting grooves 19, mounting columns 20 are arranged in the mounting grooves 19, the mounting columns 20 are matched with the mounting grooves 19 for clamping connection, the upper side of the screw rod 22 is sleeved with a spring 28, the upper side of the mounting disc 21 close to the side wall of the hub 24 is provided with a telescopic chute 27, a telescopic clamping block 26 is arranged in the telescopic chute 27 in a sliding connection manner, the top end of the telescopic clamping block 26 is arranged in a circular manner, and the other end of the telescopic clamping block 26 is abutted against the bottom end of the screw rod 22. in the utility model, when in use, the screw rod 22 can push the telescopic clamping block 26 to move towards the hub direction in the telescopic chute 27 by screwing the nut at the top end of the screw rod 22, at the moment, the telescopic clamping block 26 extends out of the telescopic chute 27 to clamp the impeller, and the same can be obtained, when the telescopic clamping block needs to be retracted into the telescopic chute 27, only directional operation is needed.

As shown in fig. 3, the present embodiment provides a welding jig for a fan impeller, which is characterized in that: the positioning assembly 23 is arranged on the upper side of the mounting disc 21 between two adjacent impeller grooves 29, the positioning components 23 are arranged on the periphery of the hub in a circular array, the mounting seats 7 are arranged on the lower side of the mounting disc 21, the bottom end of the mounting seat 7 is provided with a linear driving mechanism 8, the upper side of the mounting seat 7 is provided with a through groove 3 which is communicated up and down, the top end of the mounting seat 7 is provided with a deformation block 5, a through groove of the deformation block 5 is communicated with a through groove 3 arranged at the upper side of the mounting seat 7, a bearing block 4 is arranged on the upper side of the through groove 3, a positioning block 2 is arranged at the top end of a rotating shaft of the linear driving mechanism 8, the top end of the positioning block 2 is fixedly provided with a positioning column 1, the positioning column 1 penetrates through the mounting disc 21 to be abutted against the bottom end of the welding workpiece on the upper side, the deformation block 5 is elastic and has a shape of a cylinder with a narrow lower part and a wide upper part, and the positioning block 2 and the positioning column 1 are both arranged in a shape of a circular truncated cone with a narrow lower part and a wide upper part.

The utility model has the following use process: when the impeller welding positioning fixture is used, firstly, an impeller to be welded is placed on the upper side of the mounting disc 21 on the upper side of the welding positioning fixture body 13, the mounting columns 20 are placed in the mounting grooves 19, the left and right mounting columns 20 can position the impeller in the left and right directions, the screw 22 can push the telescopic clamping block 26 to move towards the hub direction in the telescopic chute 27 by screwing the nut at the top end of the screw 22, the telescopic clamping block 26 extends out of the telescopic chute 27 to clamp the impeller, and similarly, the impeller welding positioning fixture can be operated only in the direction when the telescopic clamping block needs to be retracted into the telescopic chute 27.

When the linear driving mechanism 8 pulls the positioning block 2 to move downwards in the through groove 3 of the deformation block 5, the deformation block 5 expands outwards at the moment, so that two welding pieces of the impeller positioned by the deformation block are attached to each other to the maximum extent, and the optimal state required by welding is achieved; when the welding is finished, the linear driving mechanism 8 pushes the positioning block 2 to drive the positioning column to move upwards in the through groove 3 of the deformation block 5, so that the deformation block 5 is not stressed to contract any more, a certain gap is formed between the positioning column and a welding piece positioned by the positioning column, the welding piece is convenient to take out under the condition of not being tightly attached,

the positioning assemblies 23 are arranged on the upper sides of the mounting discs 21 between two adjacent impeller grooves 29, and the positioning assemblies 23 are arranged on the periphery of the hub in a circular array mode. Use novel adoption locating component 23 and the cooperation of flexible clamp splice 26 to use and carry out many times location centre gripping, can prevent from welding the skew and lead to the inaccurate of welding position at the welded in-process from this, increased the product defective rate and reduced the appearance of circumstances such as production efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fan wheel welding jig which characterized in that: comprises a lifting device mounting seat (9), a bolt connection (10), a lifting device (11), a welding device (12), a welding positioning clamp body (13), a working platform (14), a rotating assembly (15), a translation assembly (16), a lifting assembly (17), a base (18), a mounting groove (19), a mounting column (20), a mounting disc (21), a screw rod (22), a positioning component (23), a hub (24), a telescopic clamping block (26), a telescopic sliding groove (27), a spring (28) and an impeller groove (29), wherein the positioning component (23) is provided with a positioning column (1), a positioning block (2), a through groove (3), a bearing block (4), a deformation block (5), a locking ring (6), a mounting seat (7) and a linear driving mechanism (8), the lifting assembly (17) is fixedly welded on the upper side of the base (18), and the side surface of a lifting guide rail of the lifting assembly (17) is slidably connected with the side end surface of the translation assembly (16), the upper side of the translation assembly (16) is connected with a rotation assembly (15) in a translation manner, the upper side of a working platform (14) at the top end of the rotation assembly (15) is fixedly provided with a welding positioning fixture body (13), a welding device (12) is correspondingly arranged right above the welding positioning fixture body (13), a screw rod (22) is arranged inside a positioning hole of the installation disc (21), the upper side of the screw rod (22) is sleeved with a spring (28), the upper side of the installation disc (21) close to the side wall of the hub (24) is provided with a telescopic sliding groove (27), a telescopic clamping block (26) is arranged in the telescopic sliding groove (27) in a sliding connection manner, a positioning assembly (23) is arranged on the upper side of the installation disc (21) between two adjacent impeller grooves (29), the positioning assembly (23) is positioned on the periphery of the hub and arranged in a circular ring array manner, the left side and the right side of the clamping plate of the installation disc (21) are fixedly provided with installation grooves (19), mounting groove (19) inside mounting column (20) that is provided with, mount pad (7) are located the downside of installation disc (21), mount pad (7) bottom is provided with sharp actuating mechanism (8), logical groove (3) that link up about mount pad (7) upside is seted up, the top of mount pad (7) is provided with out of shape piece (5), the pivot top of sharp actuating mechanism (8) is provided with locating piece (2), the fixed reference column (1) that is provided with in top of locating piece (2).

2. The fan impeller welding jig of claim 1, characterized in that: the built-in driving device of lift assembly (17), translation assembly (16) adopt guide rail, slider combination to form, translation assembly (16) connect in lift assembly (17) side liftably, translation cylinder is built-in translation assembly (16), lift assembly (17) and rotation assembly (15) are current structure, do not describe in detail again, welding position anchor clamps body (13) on rotation assembly (15) top wholly are ring shape and set up.

3. The fan impeller welding jig of claim 1, characterized in that: the welding device (12) is located at the top end of the lifting device (11), a lifting device mounting seat (9) is fixedly arranged at the bottom end of the lifting device (11), and the lifting device mounting seat (9) is fixedly mounted on the upper side of the base (18) through a bolt connection (10).

4. The fan impeller welding jig of claim 1, characterized in that: the shape of the impeller groove (29) is matched with the shape of an external impeller blade, a hub (24) is arranged at the central position of the impeller groove (29), and the hub (24) can be used for installing an external impeller.

5. The fan impeller welding jig of claim 1, characterized in that: the screw rods (22) are arranged around the circle center of the mounting disc (21) in a divergent mode, one ends of the screw rods (22) are arranged towards the circle center, and the other ends of the screw rods (22) penetrate through the side wall of the mounting disc (21) and are fixed by external nuts.

6. The fan impeller welding jig of claim 1, characterized in that: the mounting column (20) is matched with the mounting groove (19) for clamping connection, the top end of the telescopic clamping block (26) is arranged in a circular mode, and the other end of the telescopic clamping block (26) is abutted to the bottom end of the screw rod (22).

7. The fan impeller welding jig of claim 1, characterized in that: the lead to groove that warp piece (5) and mount pad (7) upside set up leads to groove (3) and is linked together, it is provided with pressure-bearing piece (4) to lead to groove (3) upside, reference column (1) runs through the weldment bottom looks butt of installation disc (21) and upside, warp piece (5) and have elasticity and appearance and be under narrow wide tube-shape of going up, locating piece (2) all adopt the appearance to be under narrow wide round platform form setting of going up with reference column (1).