Mistake-proof mounting device for volute fan

Abstract

A mistake-proof mounting device for a volute fan comprises a first clamping mechanism and a second clamping mechanism, the first clamping mechanism comprises a first mounting backup plate, a first fixing ring, a first claw fixing seat and a first driving shaft, the first fixing ring and the first claw fixing seat are fixed to the first mounting backup plate, and the first driving shaft can axially and movably penetrate through middle holes of the first fixing ring and the first claw fixing seat; the first clamping mechanism comprises a first mounting backup plate, a second fixing ring, a second claw fixing seat and a second driving shaft, the second fixing ring and the second claw fixing seat are fixed to the second mounting backup plate, and the second driving shaft can axially and movably penetrate through the second fixing ring and a middle hole of the second claw fixing seat. A second movable clamping jaw is arranged on the second jaw fixing seat to achieve rapid clamping of the right side plate, a connecting shaft is arranged on the second driving shaft, a connecting disc is formed at one end of the connecting shaft, and a powerful magnet is installed on the connecting disc; the device has an error-proofing structural design, can distinguish the front surface and the back surface of the workpiece during installation, and has an error-proofing function.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wrong -proof type mounting device for volute fan. BACKGROUND

[0002] Figure 1 、 Figure 2 The volute fan relates to a type air conditioner air supply fan manufactured and sold by the applicant unit, which is assembled by a left side plate, a right side plate, an impeller cylinder, a middle disc and a volute plate, and the applicant workshop also has corresponding assembly instruments; during assembly, the direction of the impeller cylinder (the position of the blades of the impeller cylinder is arranged to be inclined to the air outlet) needs to be paid attention to, and if the installation direction of the impeller cylinder is misaligned, the product will be directly scrapped, causing unnecessary loss. SUMMARY

[0003] In view of the above problems, the utility model provides a wrong -proof type mounting device for volute fan.

[0004] In order to achieve the above object, the utility model provides a wrong -proof type mounting device for volute fan, including first clamping mechanism for volute fan left side plate positioning clamping, second clamping mechanism for volute fan right side plate positioning clamping, first clamping mechanism includes first installation backplate, first fixed ring and first claw fixed seat fixed on first installation backplate, first drive shaft can be axially moved and is arranged in the hole position of first fixed ring and first claw fixed seat, a plurality of first movable clamping claws are arranged on first claw fixed seat, first drive shaft is moved through the shaft to make first movable clamping claw swing and realize the quick clamping of left side plate, second clamping mechanism includes second installation backplate, second fixed ring and second claw fixed seat fixed on second installation backplate, second drive shaft can be axially moved and is arranged in the hole position of second fixed ring and second claw fixed seat, a plurality of second movable clamping claws are arranged on second claw fixed seat, second drive shaft is moved through the shaft to make second movable clamping claw swing and realize the quick clamping of right side plate, a connecting shaft is coaxially arranged on second drive shaft, the end, away from second drive shaft, of connecting shaft forms connecting disc, and a plurality of powerful magnets are arranged on the disc surface of connecting disc.

[0005] Further, the number of first movable clamping claws, second movable clamping claws and powerful magnets is four.

[0006] Further, first drive shaft and second drive shaft are connected with air cylinder to realize axial movement by air cylinder.

[0007] Further, first installation backplate is fixed on rack, and second installation backplate is slidably arranged on rack and can approach or move away from first installation backplate.

[0008] Further, the second mounting backboard is fixed on the rack, and the first mounting backboard is slidably arranged on the rack and can be close to or away from the second mounting backboard.

[0009] The utility model has the beneficial effects that relative to prior art:

[0010] The device has an error-proof structure design, which ingeniously distinguishes the front and back surfaces of the workpiece during installation by using the material and structure of the workpiece, thereby playing the functions of preventing mistakes and errors and completely eliminating product scrapping caused by installation errors. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a perspective view of a volute fan;

[0012] Figure 2 is Figure 1 an exploded view;

[0013] Figure 3 is a perspective view of an error-proof mounting device for a volute fan;

[0014] Figure 4 is Figure 3 an exploded view;

[0015] Figure 5 is a schematic view of correct installation of an impeller cylinder;

[0016] Figure 6 is Figure 5 a sectional view;

[0017] Figure 7 is a sectional view of incorrect installation of an impeller cylinder.

[0018] In the figure: 1, first clamping mechanism; 11, first mounting backboard; 12, first fixed ring; 13, first claw fixed seat; 14, first movable clamping claw; 15, first drive shaft; 2, second clamping mechanism; 21, second mounting backboard; 22, second fixed ring; 23, second claw fixed seat; 24, second movable clamping claw; 25, second drive shaft; 3, connecting shaft; 31, connecting disc; 4, strong magnet; 10, volute fan; 101, left side plate; 102, right side plate; 103, middle disc; 104, impeller cylinder; 105, volute plate. DETAILED DESCRIPTION

[0019] As Figures 1-7As shown, the utility model discloses a kind of mistake-proof mounting device for volute fan, including the first clamping mechanism 1 for the left side plate 101 positioning clamping of volute fan 10, the second clamping mechanism 2 for the right side plate 102 positioning clamping of volute fan 10, first clamping mechanism 1 includes first installation backplate 11, first fixed ring 12 and first claw fixed seat 13 fixed on first installation backplate 11, first driving shaft 15, which can be axially moved, is threaded in the hole position of first fixed ring 12 and first claw fixed seat 13, first claw fixed seat 13 is equipped with multiple first movable clamping jaw 14, first driving shaft 15 is swung by axial movement to realize the quick clamping of left side plate 101, second clamping mechanism 2 includes second installation backplate 21, second fixed ring 22 and second claw fixed seat 23 fixed on second installation backplate 21, second driving shaft 25, which can be axially moved, is threaded in the hole position of second fixed ring 22 and second claw fixed seat 23, second claw fixed seat 23 is equipped with multiple second movable clamping jaw 24, second driving shaft 25 is swung by axial movement to realize the quick clamping of right side plate 102, second driving shaft 25 is equipped with a connecting shaft 3 coaxially installed with it, the end of connecting shaft 3 away from second driving shaft 25 forms connecting disc 31, and multiple powerful magnets 4 are installed on the disc surface of connecting disc 31.

[0020] More specifically, the number of first movable clamping jaw 14, second movable clamping jaw 24 and powerful magnet 4 is four;First driving shaft 15 and second driving shaft 25 are connected with cylinder, and axial movement is realized by cylinder;The distance between first installation backplate 11 and second installation backplate 21 is adjustable, for example, first installation backplate 11 is fixed on rack, and second installation backplate 21 is slidably arranged on rack and can be close to or away from first installation backplate 11;Or, second installation backplate 21 is fixed on rack, and first installation backplate 11 is slidably arranged on rack and can be close to or away from second installation backplate 21.

[0021] The device has error-proof structure design, and the front and back of the workpiece are distinguished by skillfully using the material and structure of the workpiece during installation, so as to prevent mistakes and errors, and completely eliminate the product scrapping caused by installation in reverse.

[0022] When used, for the convenience of understanding the utility model, description is made in combination with drawings;

[0023] During installation, first, left side plate 101 is positioned and installed on first clamping mechanism 1, right side plate 102 is positioned and installed on second clamping mechanism 2, and middle disc 103 is fixedly connected at the middle position of impeller cylinder 104, then, the side of middle disc 103 with recess is adhered to connecting disc 31, and impeller cylinder 104 is positioned after middle disc 103 is adsorbed by powerful magnet 4 (see Figure 5 ,Figure 6 ), the first mounting backboard 11 and the second mounting backboard 21 are close to each other, the distance between the two is matched with the length of the impeller cylinder 104, and finally the installation of the volute 105 is completed, if the direction of the middle disc 103 is wrong, the middle disc 103 cannot be adsorbed by the strong magnet 4, and normal installation cannot be realized (see Figure 7 ).

[0024] The positioning and installation of the left side plate 101 on the first clamping mechanism 1 is consistent with the positioning and installation of the right side plate 102 on the second clamping mechanism 2, and here, only the positioning and installation of the right side plate 102 on the second clamping mechanism 2 is described, and the specific process is as follows, before positioning and installation, the second movable clamping jaw 24 can swing freely, after the right side plate 201 is sleeved on the second fixed ring 22, the cylinder is actuated to make the second driving shaft 25 move, the shaft end of the second driving shaft 25 acts on one end of the second movable clamping jaw 24, and the other end of the second movable clamping jaw 24 is clamped on the edge of the hole of the right side plate 201, that is, the positioning and installation of the right side plate 102 is completed.

[0025] The above only describes preferred embodiments of the utility model, and is not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A fault-proof installation device for a volute fan, comprising a first clamping mechanism (1) for positioning and clamping the left side plate (101) of the volute fan (10), and a second clamping mechanism (2) for positioning and clamping the right side plate (102) of the volute fan (10). The first clamping mechanism (1) comprises a first mounting plate (11), a first fixing ring (12) and a first claw fixing seat (13) fixed on the first mounting plate (11), and a first drive shaft (15) axially movable and passing through the central hole of the first fixing ring (12) and the first claw fixing seat (13). The first claw fixing seat (13) is provided with a plurality of first movable claws (14). The shaft (15) moves axially to swing the first movable gripper (14) to achieve quick clamping of the left side plate (101). The second clamping mechanism (2) includes a second mounting plate (21), a second fixing ring (22) and a second gripper fixing seat (23) fixed on the second mounting plate (21), and a second drive shaft (25) axially movable and passing through the hole in the second fixing ring (22) and the second gripper fixing seat (23). The second gripper fixing seat (23) is provided with a plurality of second movable grippers (24). The second drive shaft (25) moves axially to swing the second movable grippers (24) to achieve quick clamping of the right side plate (102). The feature is that: The second drive shaft (25) is provided with a connecting shaft (3) coaxially mounted thereon. The end of the connecting shaft (3) away from the second drive shaft (25) forms a connecting disk (31). Multiple strong magnets (4) are installed on the surface of the connecting disk (31).

2. The error-proof installation device for a volute fan according to claim 1, characterized in that: The number of the first movable gripper (14), the second movable gripper (24), and the powerful magnet (4) are all four.

3. The error-proof installation device for a volute fan according to claim 1, characterized in that: Both the first drive shaft (15) and the second drive shaft (25) are connected to the cylinder, and the cylinder enables axial movement.

4. The error-proof installation device for a volute fan according to claim 1, characterized in that: The first mounting plate (11) is fixed on the frame, and the second mounting plate (21) is slidably mounted on the frame and can move closer to or further away from the first mounting plate (11).

5. The error-proof installation device for a volute fan according to claim 1, characterized in that: The second mounting plate (21) is fixed on the frame, and the first mounting plate (11) is slidably mounted on the frame and can move closer to or further away from the second mounting plate (21).

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