Glass fiber reinforced plastic centrifugal fan impeller

Abstract

The utility model relates to the technical field of fan impellers, in particular to a glass fiber reinforced plastic centrifugal fan impeller which comprises a wheel disc, a plurality of blades are arranged on one side of the wheel disc, limiting covers are arranged at the other ends of the blades, limiting rings are arranged between the limiting covers and the blades, and the wheel disc, the blades and the limiting covers are of compression molding structures. The blades are annularly distributed at equal intervals, the limiting cover is funnel-shaped, and a through hole is formed in the middle of the limiting cover, so that exhaust matching is facilitated; according to the glass fiber reinforced plastic centrifugal fan impeller, materials, needing to be subjected to mold pressing, of the wheel disc and the blades are added into the corresponding mold pressing molds, then the mold with the limiting cover is tightly attached to the mold of the wheel disc, the wheel disc, the blades and the limiting cover are jointly subjected to mold pressing forming through mutual extrusion forming, and the overall combination stability is improved; and mass production, processing and use are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of fan impellers, in particular to a glass fiber reinforced plastic centrifugal fan impeller. Background Art

[0002] In the glass tempering cooling process, due to the process requirements, the fan needs to be turned on to cool the glass quickly after it comes out of the furnace. The centrifugal fan is a machine that relies on input mechanical energy to increase the gas pressure and discharge the gas. The centrifugal fan impeller cooperates with the glass to quickly cool down the glass.

[0003] The utility model with announcement number CN207864247U discloses a combined glass fiber reinforced plastic centrifugal fan impeller, comprising a fixed circular ring, a rear end face of the fixed circular ring being clamped with a clamping assembly device, the clamping assembly device comprising a fixed clamping slot, an annular support plate, a fixed protective ring, a fan blade, a fan blade clamping slot, a fixed column, a first clamping block and a rotating shaft jack, the annular support plate is arranged in the middle of the clamping assembly device, the fan blade clamping slot is fixedly installed on the upper end face of the annular support plate, the fan blade is clamped inside the fan blade clamping slot, the fixed clamping slot is annularly arranged on the inner end face of the annular support plate, the first clamping block is clamped inside the fixed clamping slot, the fixed column is fixedly connected between multiple groups of first clamping blocks, and the front end face of the fixed circular ring is fixedly connected with a connecting buckle ring;

[0004] The above technical solution solves the problem of poor clamping ability of the device, improves the protection ability of the device, and is more convenient for installation and disassembly; however, the centrifugal fan impeller is not easy to quickly disassemble, replace, clean and coordinate, and it is not easy to replace the blades in the impeller after they are damaged, which reduces the overall replacement and wastes resources. Utility Model Content

[0005] The purpose of the utility model is to provide a glass fiber reinforced plastic centrifugal fan impeller to solve the problem of a combined glass fiber reinforced plastic centrifugal fan impeller with authorization announcement number CN207864247U proposed in the above background technology, but the centrifugal fan impeller is not convenient for quick disassembly, replacement, cleaning and coordination, and it is not convenient to replace the blades in the impeller after they are damaged, thereby reducing the problem of waste of resources in overall replacement.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A glass fiber reinforced plastic centrifugal fan impeller comprises a wheel disc, a plurality of blades are arranged on one side of the wheel disc, a limit cover is arranged on the other end of the blade, a limit ring is arranged between the limit cover and the blade, and the wheel disc, the blade and the limit cover are all formed by a molded structure, the blades are in the shape of arc plates, the blades are distributed in a ring shape with equal spacing, the limit cover is in the shape of a funnel, and a through hole is provided in the middle of the limit cover to facilitate exhaust coordination.

[0008] Preferably, a plurality of blades are provided on the right side of the wheel disc, a limit cover is also provided on the right side of the blade, a rotating shaft seat is provided in the middle of the wheel disc, a rotating shaft groove is provided in the middle of the rotating shaft seat, a plurality of arc grooves are provided on the right side surface of the wheel disc, fixing holes are symmetrically provided in the arc grooves, second screw holes are provided on the left end surface of the blade corresponding to the fixing holes, a first screw hole is provided on the right end surface of the blade near one end, and fastening bolts are provided in the first screw hole and the second screw hole.

[0009] Preferably, a limiting ring is provided on the left end face of the limiting cover, the limiting ring and the limiting cover are an integrally formed structure, a groove is provided on the left side face of the limiting ring at a position corresponding to the blade end, and a through hole is provided in the groove at a position corresponding to the first screw hole.

[0010] In the utility model, the setting of the limit cover helps to increase the stability of the installation between the blades and the wheel disc, and helps to guide the wind direction to pass through the middle of the limit cover. With the cooperation of the slot, it helps the blades to be snap-fitted and increase the stability of the close fit between the blades and the limit cover.

[0011] Preferably, the width of the inner wall of the slot is matched with the width of the outer wall of the blade end, and the fastening bolt passes through the through hole and is threadedly connected with the first screw hole.

[0012] In the utility model, a fastening bolt is arranged to be threadedly connected with the first screw hole to realize rapid fixing of the blade and the limiting cover, and the fastening bolt is taken out from the first screw hole, which is helpful for taking out, replacing or cleaning the limiting cover.

[0013] Preferably, the width of the outer wall of the blade matches the width of the inner wall of the arc-shaped groove, and the fastening bolt passes through the fixing hole and is threadedly connected to the second screw hole.

[0014] In the utility model, the blades are plugged into the arc grooves to increase the tightness of the installation of the blades and the wheel disc, and the fastening bolts are connected to the second screw holes to help quickly fix the blades and the wheel disc and increase the stability of the installation.

[0015] Preferably, the rotating shaft seat is fixed to the wheel disc by welding, and the inner wall of the rotating shaft groove is symmetrically provided with bayonet openings, and the openings are engaged with the external rotating shaft.

[0016] In the utility model, a rotating shaft seat is provided and matched with a bayonet, which is helpful for plugging and installing the wheel disc with an external rotating shaft, and is convenient for quick plugging and installation, and convenient for manual operation.

[0017] Preferably, a plurality of positioning holes are provided on the wheel disc near the edge of the rotating shaft seat, and the positioning holes penetrate the wheel disc.

[0018] In the utility model, with the cooperation of multiple positioning holes, it is helpful for external screws to pass through the positioning holes to realize the combination and fixation of the wheel disc and the external rotating shaft that needs to be installed, thereby increasing the stability of the installation. The removal of the screws is helpful for the replacement and coordination of the wheel disc.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The utility model increases the stability of the overall structure by arranging a plurality of blades, a wheel disc and a limit cover through molding, and is convenient for mass production and processing.

[0021] 2. The utility model sets a plurality of blades and a wheel disk in combination to achieve the coordination of the wheel disk rotation for blowing. The blades are quickly assembled and installed with the wheel disk under the coordination of the fastening bolts and the second screw holes. The separation of the fastening bolts is helpful for taking out and replacing the blades, and reduces the waste of overall replacement materials. The limit cover is plug-in coordinated with the blade under the coordination of the limit ring, and the limit cover is installed with the blade under the coordination of the fastening bolts and the first screw holes. With the coordination of the limit cover, the air guide is stably carried out.

[0022] 3. The utility model sets a shaft seat with a shaft groove, and realizes combined connection with the external rotating shaft with the cooperation of the bayonet, and realizes combined fixation of the rotating shaft and the wheel disc with the cooperation of the positioning hole. The slot is provided on the limit ring, which is helpful for the close insertion and installation of the blade and the limit ring, and the fastening bolts are disassembled, which is helpful for the overall disassembly, separation and full cleaning, and the damaged parts are helpful for removal and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a schematic side view of the whole of the utility model;

[0025] Figure 3 This is a schematic diagram of the combined structure of the wheel disc and blades of the utility model;

[0026] Figure 4 This is a schematic diagram of the back structure of the roulette wheel of the utility model;

[0027] Figure 5 This is a front view of the utility model in which the wheel disc and the blades are separated;

[0028] Figure 6 This is a schematic diagram of the decomposed structure of the wheel disc and blades of the utility model;

[0029] Figure 7 It is a schematic diagram of the structure of the limiting cover of the utility model.

[0030] The meaning of each number in the figure is:

[0031] Wheel; 10, arc groove; 100, fixing hole; 11, shaft seat; 110, shaft groove; 12, positioning hole;

[0032] Blade; 20, first screw hole; 21, fastening bolt; 22, second screw hole;

[0033] Limiting cover; 30, limiting ring; 31, slot; 310, perforation. DETAILED DESCRIPTION

[0034] 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.

[0035] Example 1

[0036] See also Figure 1-Figure 2 , this embodiment provides a technical solution:

[0037] A glass fiber reinforced plastic centrifugal fan impeller comprises a wheel disc 1, a plurality of blades 2 are arranged on one side of the wheel disc 1, a limit cover 3 is arranged on the other end of the blade 2, a limit ring 30 is arranged between the limit cover 3 and the blade 2, and the wheel disc 1, the blade 2 and the limit cover 3 are all formed by a molded structure, the blade 2 is in the shape of an arc plate, the blades 2 are distributed in a ring shape with equal spacing, the limit cover 3 is in the shape of a funnel, and a through hole is provided in the middle of the limit cover 3 to facilitate exhaust coordination.

[0038] When the fiberglass reinforced plastic centrifugal fan impeller of this embodiment is in use, the user first adds the materials to be molded of the wheel disc 1 and the blades 2 into the corresponding molding mold, and then fits the mold with the limiting cover 3 tightly with the mold of the wheel disc 1. Through mutual extrusion molding, the wheel disc 1, the blades 2 and the limiting cover 3 are jointly molded to achieve a structure, which increases the stability of the overall combination and is convenient for mass production and processing.

[0039] Example 2

[0040] See also Figure 3-Figure 7 Based on Example 1, this embodiment provides the following assembleable and disassembled technical solution:

[0041] A glass fiber reinforced plastic centrifugal fan impeller includes a wheel disc 1, a plurality of blades 2 are arranged on the right side of the wheel disc 1, a limit cover 3 is also arranged on the right side of the blade 2, a limit ring 30 is arranged on the left end surface of the limit cover 3, the limit ring 30 and the limit cover 3 are an integrally formed structure, a groove 31 is opened on the left side surface of the limit ring 30 corresponding to the end of the blade 2, and a through hole 310 is opened in the groove 31 corresponding to the first screw hole 20.

[0042] In the utility model, the setting of the limit cover 3 helps to increase the stability of the installation between the blade 2 and the wheel disc 1, and helps to guide the wind direction to pass through the middle of the limit cover 3. With the cooperation of the slot 31, it helps the blade 2 to be snap-fitted, and increases the stability of the close fit between the blade 2 and the limit cover 3.

[0043] Furthermore, the width of the inner wall of the slot 31 matches the width of the outer wall of the end of the blade 2 , and the fastening bolt 21 passes through the through hole 310 and is threadedly connected with the first screw hole 20 .

[0044] In the utility model, a fastening bolt 21 is provided to be threadedly connected with the first screw hole 20 to realize rapid fixing of the blade 2 and the limiting cover 3, and the fastening bolt 21 is taken out from the first screw hole 20, which is helpful for taking out, replacing or cleaning the limiting cover 3.

[0045] It should be noted that a rotating shaft seat 11 is provided in the middle of the wheel disc 1, a rotating shaft groove 110 is opened in the middle of the rotating shaft seat 11, a plurality of arc grooves 10 are opened on the right side surface of the wheel disc 1, fixing holes 100 are symmetrically opened in the arc grooves 10, second screw holes 22 are opened on the left end surface of the blade 2 corresponding to the fixing holes 100, a first screw hole 20 is opened on the right end surface of the blade 2 near one end, and fastening bolts 21 are provided in the first screw hole 20 and the second screw hole 22.

[0046] Furthermore, the width of the outer wall of the blade 2 matches the width of the inner wall of the arc-shaped groove 10 , and the fastening bolt 21 passes through the fixing hole 100 and is threadedly connected with the second screw hole 22 .

[0047] In the utility model, the blade 2 is plugged into the arc groove 10 to increase the tightness of the installation of the blade 2 and the wheel disc 1, and the fastening bolt 21 is connected with the second screw hole 22, which helps to quickly fix the blade 2 and the wheel disc 1 and increase the stability of the installation.

[0048] Specifically, the shaft seat 11 is welded and fixed to the wheel disc 1, and the inner wall of the shaft groove 110 is symmetrically provided with bayonet holes, and the openings are engaged with the external rotating shaft.

[0049] In the utility model, the shaft seat 11 is provided and matched with the bayonet, which is helpful for plugging and installing the wheel disc 1 with the external rotating shaft, and is convenient for quick plugging and installation and manual operation.

[0050] Furthermore, a plurality of positioning holes 12 are formed on the wheel disc 1 near the edge of the rotating shaft seat 11 , and the positioning holes 12 penetrate the wheel disc 1 .

[0051] In the utility model, the cooperation of multiple positioning holes 12 helps external screws to pass through the positioning holes 12 to realize the combination and fixation of the wheel disc 1 and the external rotating shaft that needs to be installed, thereby increasing the stability of the installation. The removal of the screws helps to replace the wheel disc 1.

[0052] When using a glass fiber reinforced plastic centrifugal fan impeller of the present embodiment, the user first plugs and matches the multiple blades 2 with the arc grooves 10 on the wheel disc 1, then passes the fastening bolts 21 through the fixing holes 100 and is threadedly connected with the second screw holes 22, then fits the limiting cover 3 with the limiting ring 30 with the blades 2, and the slots 31 and the blades 2 are correspondingly plugged and matched, then the fastening bolts 21 are passed through the through holes 310 and are threadedly connected with the first screw holes 20, and finally the wheel disc 1 is plugged and matched with the external rotating shaft through the rotating shaft groove 110, and is fixedly installed with the rotating shaft by screws passing through the positioning holes 12;

[0053] When used for a long time, the blade 2 is damaged, and the fastening bolts 21 are disassembled and taken out, which helps to take out and replace the blade 2 between the wheel disc 1 and the limit cover 3 separately, reducing the waste of resources caused by the overall replacement. With the cooperation of the limit cover 3, stable air guidance is carried out, and the overall combination is easy to install, which helps to disassemble and clean.

Claims

1. A glass fiber reinforced plastic centrifugal fan impeller, comprising a wheel disc (1), characterized in that: A plurality of blades (2) are provided on one side of the wheel disc (1), a limiting cover (3) is provided on the other end of the blade (2), a limiting ring (30) is provided between the limiting cover (3) and the blade (2), and the wheel disc (1), the blade (2) and the limiting cover (3) are all formed by a die-casting structure, the blade (2) is in the shape of an arc plate, the blades (2) are distributed in a ring shape with equal spacing, the limiting cover (3) is in the shape of a funnel, and a through hole is provided in the middle of the limiting cover (3) to facilitate exhaust coordination, a rotating shaft seat (11) is provided in the middle of the rotating shaft seat (11), a rotating shaft groove (110) is provided in the middle of the rotating shaft seat (11), a plurality of arc grooves (10) are provided on the right side surface of the wheel disc (1), fixing holes (100) are symmetrically provided in the arc grooves (10), second screw holes (22) are provided on the left end surface of the blade (2) at positions corresponding to the fixing holes (100), and a through hole (22) is provided on the right end surface of the blade (2) near the fixing holes (100). A first screw hole (20) is provided near one end, and a fastening bolt (21) is provided in each of the first screw hole (20) and the second screw hole (22). A limiting ring (30) is provided on the left end surface of the limiting cover (3), and the limiting ring (30) and the limiting cover (3) are an integrally formed structure. A clamping groove (31) is provided on the left side surface of the limiting ring (30) at a position corresponding to the end of the blade (2), and a through hole (310) is provided in the clamping groove (31) at a position corresponding to the first screw hole (20). The width of the inner wall of the clamping groove (31) is matched with the width of the outer wall of the end of the blade (2). The fastening bolt (21) passes through the through hole (310) and is threadedly connected to the first screw hole (20). The width of the outer wall of the blade (2) is matched with the width of the inner wall of the arc groove (10). The fastening bolt (21) passes through the fixing hole (100) and is threadedly connected to the second screw hole (22).

2. The glass fiber reinforced plastic centrifugal fan impeller according to claim 1, characterized in that: The rotating shaft seat (11) is fixed to the wheel disc (1) by welding, and the inner wall of the rotating shaft groove (110) is symmetrically provided with bayonet openings, the openings being bayonet-fitted with an external rotating shaft.

3. The glass fiber reinforced plastic centrifugal fan impeller according to claim 1, characterized in that: A plurality of positioning holes (12) are also provided on the wheel disc (1) near the edge of the rotating shaft seat (11), and the positioning holes (12) penetrate the wheel disc (1).

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