CN215435078U

CN215435078U - Fan blade pressing device for cross-flow fan

Info

Publication number: CN215435078U
Application number: CN202121386187.5U
Authority: CN
Inventors: 陈英勇
Original assignee: Foshan Gumu Automation Equipment Co ltd
Current assignee: Foshan Gumu Automation Equipment Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-07
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a fan blade pressing device for a cross-flow fan, which comprises: a machine platform; the supporting frame is arranged on the machine table and used for placing the fan body; the two positioning assemblies are respectively arranged on two sides of the support frame, each positioning assembly is provided with a liftable positioning plate, and the top end of each positioning plate is provided with a notch with an upper opening; the two pressing components are respectively arranged on two sides of the support frame and comprise a pressing head capable of transversely moving towards the direction of the support frame, and the middle part of the pressing head is hollow so that a rotating shaft of the fan body can be inserted into the pressing head; through the pressfitting effect of pressure head, utilize the locating plate to support the pressfitting degree of depth of the position restriction fan blade in the pivot simultaneously to this fan blade that realizes cross-flow fan fixes a position the installation fast, guarantees the equilibrium of fan when the pressfitting fan blade, avoids the fan blade to take place eccentricity, deformation scheduling problem, and then effectively reduces the noise influence because of the assembly problem leads to.

Description

Fan blade pressing device for cross-flow fan

Technical Field

The utility model relates to a processing device of a cross-flow fan, in particular to a fan blade pressing device for the cross-flow fan.

Background

Some conventional crossflow blowers, as shown in fig. 2, require blades to be installed at both ends of a rotating shaft of a blower body. When the fan blade is fixed on the rotating shaft through manual pressing, the problems of eccentricity, deformation and the like often occur, so that the noise of the cross-flow fan is high when the cross-flow fan is used, and the production quality of the cross-flow fan is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the related art. Therefore, the utility model provides a fan blade pressing device for a cross-flow fan.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

according to the embodiment of the first aspect of the utility model, the fan blade pressing device for the cross-flow fan comprises:

a machine platform;

the supporting frame is arranged on the machine table and used for placing the fan body;

the two positioning assemblies are respectively arranged on two sides of the support frame, each positioning assembly is provided with a liftable positioning plate, and the top end of each positioning plate is provided with a notch with an upper opening;

two pressing components are respectively arranged on two sides of the support frame, each pressing component comprises a pressing head capable of moving towards the support frame in a transverse direction, and the middle of each pressing head is hollow so that a rotating shaft of the fan body can be inserted into each pressing head.

The fan blade pressing device for the cross-flow fan, provided by the embodiment of the utility model, at least has the following beneficial effects: through the pressfitting effect of pressure head, utilize the locating plate to support the pressfitting degree of depth of the position restriction fan blade in the pivot simultaneously to this fan blade that realizes cross-flow fan fixes a position the installation fast, guarantees the equilibrium of fan when the pressfitting fan blade, avoids the fan blade to take place eccentricity, deformation scheduling problem, and then effectively reduces the noise influence because of the assembly problem leads to.

According to some embodiments of the present invention, the pressing assembly further includes a servo motor, the servo motor drives the pressing head to move laterally, the pressing head is provided with a first sensor for sensing a pressure when the fan blade is pressed, and the first sensor feeds back a pressure signal to the servo motor to control the movement of the pressing head.

According to some embodiments of the utility model, a gearbox is arranged between the servo motor and the ram, and a second sensor for detecting torque when the ram rotates is arranged in the gearbox.

According to some embodiments of the utility model, the positioning assembly further comprises a driving member, and the driving member drives the positioning plate to perform lifting movement.

According to some embodiments of the utility model, the positioning assembly further comprises a third sensor for sensing a rising height of the positioning plate.

According to some embodiments of the present invention, the third sensor is a photoelectric sensor, and the third sensor is mounted on the machine table and senses towards the positioning plate.

According to some embodiments of the utility model, the supporting frame and the positioning assembly are slidably connected to the machine table in an adjustable manner through a sliding base and sliding rail structure.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of an embodiment of a crossflow blower.

Reference numerals: a machine 100; a support frame 200; a positioning plate 210; a notch 220; a driver 230; a press-fit assembly 300; a ram 310; a servo motor 320; a gearbox 330; a third inductor 400; a slider rail structure 500; an adjusting screw 510; a blower body 610; a rotating shaft 620; fan blades 630.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

As shown in fig. 1, a fan blade pressing device for a cross-flow fan includes a machine 100, wherein the machine 100 is provided with a support frame 200, two positioning assemblies and two pressing assemblies 300. In this embodiment, the rotating shaft 620 of the fan body 610 extends out from two sides, and the fan blades 630 need to be installed at two ends of the rotating shaft 620. The blower body 610 is fixedly placed on the supporting frame 200, and at this time, two ends of the rotating shaft 620 of the blower body 610 face to the left side and the right side of the supporting frame 200. Two locating components are respectively installed on the two sides of the supporting frame 200, the locating components are provided with a liftable locating plate 210, and the top end of the locating plate 210 is provided with a notch 220 with an upper opening. The notch 220 is positioned to correspond to the lower portion of the shaft 620. When the positioning plate 210 ascends, the notches 220 are clamped into the outer side wall of the rotating shaft 620 from bottom to top, and the two sides of the rotating shaft 620 of the fan body 610 are positioned by utilizing the notches 220 of the two side positioning plates 210. The two pressing assemblies 300 are respectively installed on the machine 100 and located at two sides of the supporting frame 200. The pressing assembly 300 is provided with a pressing head 310, the pressing head 310 moves transversely towards the supporting frame 200, and the pressing head 310 is hollow. When the fan works, the positioning plates 210 on the two sides ascend, the rotating shaft 620 of the fan body 610 is positioned by the notch 220, and the two fan blades 630 are respectively inserted into the two ends of the rotating shaft 620. The pressing heads 310 on the two sides extend into the fan blades 630 towards the rotating shaft 620, at the moment, the hollow part of the pressing head 310 is coaxial with the rotating shaft 620, the rotating shaft 620 is inserted into the pressing head 310, the pressing head 310 continues to move and abut against the inner walls of the fan blades 630, the fan blades 630 are pressed and fixed towards the fan body 610, the outer walls of the fan blades 630 abut against the side walls of the positioning plates 210 in the pressing process, and the pressing depth of the fan blades 630 is limited by the position of the positioning plates 210 supported on the rotating shaft 620; after the pressing is completed, the pressing head 310 moves away from the rotating shaft 620 and exits; therefore, the fan blades 630 of the cross-flow fan can be quickly positioned and installed, the balance of the fan during pressing of the fan blades 630 is guaranteed, the problems of eccentricity, deformation and the like of the fan blades 630 are avoided, and the noise influence caused by assembly problems is effectively reduced.

In some embodiments of the present invention, as shown in FIG. 1, each stitching assembly 300 further comprises a servo-motor 320, and the ram 310 is mounted on a drive shaft of the servo-motor 320. The pressing head 310 is provided with a first sensor (not shown in the figures), and the first sensor is used for sensing the pressing pressure of the pressing head 310 in the process of pressing the fan blades 630. When the servo motor 320 drives the pressing head 310 to perform the pressing operation, the first sensor performs real-time detection, and when the first sensor reaches a preset maximum limit, the servo motor 320 stops continuously pushing the pressing head 310, thereby completing the pressing operation.

During the process that the servo motor 320 controls the ram 310 to move laterally through the gear box 330, the ram 310 will rotate at the same time, and a second sensor (not shown) is disposed in the gear box 330, and the second sensor is used to sense the torque.

In some embodiments of the present invention, as shown in fig. 1, the positioning assembly includes a driving member 230, the driving member 230 may be mounted on the machine base 100, and the driving member 230 may be a cylinder or a motor, and the driving member 230 may be used to drive the positioning plate 210 to move up and down.

In some embodiments of the present invention, a third sensor 400 is disposed in the positioning assembly, and the third sensor 400 is used to sense the rising height of the positioning plate 210, so as to ensure that the two positioning plates 210 rise to the same preset height to position the fan.

Specifically, as shown in fig. 1, the third sensor 400 is a photoelectric sensor, the third sensor 400 may be mounted on the machine 100 through a bracket, and the third sensor 400 faces the positioning plate 210. In this embodiment, when the positioning plate 210 ascends, the ascending path of the notch 220 passes through the sensing range of the third sensor 400, and when the third sensor 400 senses that the notch 220 passes, the ascending height of the positioning plate 210 is controlled by a predetermined time and the ascending speed of the positioning plate 210.

Further, the supporting frame 200 and the positioning assembly are slidably connected to the machine table 100 through a sliding base sliding rail structure 500; as shown in the figure, the supporting frame 200 and the positioning assembly are fixed on a sliding base, the sliding base is slidably mounted on the machine platform through a sliding rail, and the positions of the pressing assemblies on the two opposite sides of the supporting frame 200 and the positioning assembly are adjusted by the sliding of the sliding base. The slide can be adjusted and fixed by connecting the adjusting screw 510 with the pressing component.

In the description herein, references to the description of "some specific embodiments" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a fan blade compression fittings for cross-flow fan which characterized in that includes:

a machine table (100);

the supporting frame (200) is arranged on the machine table (100), and the supporting frame (200) is used for placing the fan body (610);

the two positioning assemblies are respectively arranged on two sides of the support frame (200), each positioning assembly is provided with a lifting positioning plate (210), and the top end of each positioning plate (210) is provided with a notch (220) with an upper opening;

the two pressing components (300) are respectively arranged on two sides of the support frame (200), each pressing component (300) comprises a pressing head (310) capable of moving transversely towards the support frame (200), and the middle of each pressing head (310) is hollow so that a rotating shaft (620) of the fan body (610) can be inserted into each pressing head (310).

2. The fan blade pressing device for the cross-flow fan according to claim 1, wherein: the pressing assembly (300) further comprises a servo motor (320), the servo motor (320) drives the pressing head (310) to move transversely, a first sensor used for sensing pressure when the pressing blade (630) is pressed is arranged on the pressing head (310), and the first sensor feeds back a pressure signal to the servo motor (320) to control the pressing head (310) to move.

3. The fan blade pressing device for the cross-flow fan according to claim 2, wherein: a gearbox (330) is arranged between the servo motor (320) and the pressure head (310), and a second sensor for detecting the torsion when the pressure head (310) rotates is arranged in the gearbox (330).

4. The fan blade pressing device for the cross-flow fan according to claim 1, wherein: the positioning assembly further comprises a driving part (230), and the driving part (230) drives the positioning plate (210) to move up and down.

5. The fan blade pressing device for the cross-flow fan according to claim 1 or 4, wherein: the positioning assembly further comprises a third sensor (400) for sensing the elevation of the positioning plate (210).

6. The fan blade pressing device for the cross-flow fan according to claim 5, wherein: the third sensor (400) is a photoelectric sensor, and the third sensor (400) is installed on the machine table (100) and senses towards the direction of the positioning plate (210).

7. The fan blade pressing device for the cross-flow fan according to claim 1, wherein: the supporting frame (200) and the positioning assembly are connected on the machine table (100) in a sliding mode through a sliding seat sliding rail structure (500) in an adjustable mode.