Fire retardant coating spraying device for fire doors

By designing a fire-resistant door fire-resistant coating spraying device, the transmission chain and driving motor drive the transmission cylinder and spray chamber to rotate, and the synchronization rod and spray head swing within a certain angle range, solving the problem of uneven spraying, achieving the expansion of the spray area and the improvement of uniformity, and achieving rapid drying through the fan.

CN222724625UActive Publication Date: 2025-04-08HANGZHOU HUABO FIRE FIGHTING EQUIP CO LTD
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Patent Information

Application Number
CN202420942143.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-04-08
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

In the prior art, when the fireproof door is sprayed with fireproof coating, the spraying is uneven due to the uneven speed of the hand movement and the spraying time.

Method used

A fire-proof door fire-resistant coating spraying device is designed, using frame, transmission barrel, spray chamber, electric drive servo, synchronous rod and spray head. Through the transmission chain and drive motor, the transmission barrel and spray chamber are driven to rotate, so that the door panel moves along the transmission barrel, and the synchronization rod and spray head swing within a certain angle range, achieving the expansion of the spray area and the improvement of uniformity.

Benefits of technology

It effectively improves the spray area and uniformity of fireproof coatings, ensures uniform distribution of the surface coatings on the fire doors, and achieves rapid drying through the fan, improving working efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fire retardant coating spraying devices, and discloses a fire retardant coating spraying device for fire doors. The utility model includes a frame, a transmission cylinder is rotatably provided on the frame, a spraying cabin is fixedly provided in the middle of the frame, openings are provided at both ends of the spraying cabin for the door panel to move along the transmission cylinder into the spraying cabin, electric drive steering gears are provided above and below the spraying cabin, a synchronous rod is rotatably provided in the spraying cabin, and an eccentric wheel is provided at the end of the electric drive steering gear, the eccentric wheel is hinged with the synchronous rod through a connecting rod, and the synchronous rod is driven by the electric drive steering gear to swing within a certain angle range. The utility model delivers the spraying liquid to the nozzle through a hose through a pump, and then multiple nozzles can swing within a set angle through a multi-rod linkage design, which effectively increases the spraying area and the spraying uniformity, and the coating is confined to a certain space to a certain extent through the spraying cabin.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire retardant coating spraying devices, in particular to a fire retardant coating spraying device for fire doors. Background Art

[0002] The coating spraying device is a kind of amorphous refractory material which is constructed by mechanical spraying method using pneumatic tools;

[0003] In the prior art, when spraying fire retardant coating material on fire doors, it is often necessary for a person to hold a spray nozzle to spray the fire doors, but the movement speed and spraying time of the hand are often uneven, which will cause uneven spraying of the fire retardant coating on the surface of the fire door. For this reason, the utility model provides a spraying device. Utility Model Content

[0004] The technical problem to be solved by the utility model is: in order to overcome the above problems, a fire retardant coating spraying device for fire doors is provided, which solves the above problems.

[0005] The utility model solves the technical problem by adopting the following technical solutions:

[0006] The fireproof door fireproof paint spraying device comprises a frame, a transmission cylinder is rotatably provided on the frame, a spraying cabin is fixedly provided in the middle of the frame, openings are provided at both ends of the spraying cabin for a door panel to move along the transmission cylinder into the spraying cabin, electric-driven steering gears are provided above and below the spraying cabin, a synchronization rod is rotatably provided in the spraying cabin, and an eccentric wheel is provided at the end of the electric-driven steering gear, the eccentric wheel is hinged to the synchronization rod through a connecting rod, and the synchronization rod is driven by the electric-driven steering gear to swing within a certain angle range, a single rod is fixedly provided on the synchronization rod through bolts at intervals, a nozzle for spraying fireproof paint is fixedly provided at the lower end of the single rod, and a delivery hose for supplying fireproof paint (the delivery hose is omitted for simplicity of drawing), and a support rod is fixedly provided at the tail end of the synchronization rod, and a plurality of the support rods are hingedly provided with a transverse connecting rod, and the plurality of the synchronization rods are synchronously swung under the linkage action of the transverse connecting rod, thereby making the spraying surface of the nozzle wider and effectively improving the uniformity.

[0007] Preferably, a door is hingedly provided on the side of the spraying cabin, and opening the door facilitates adjustment of the structure in the spraying cabin.

[0008] Preferably, a sprocket is provided at the end of the transmission cylinder and is connected through a transmission chain. A driving motor is fixedly provided on the frame. Two sprockets are provided at the end of one of the transmission cylinders, one for connecting with the transmission chain, and the other is connected to the sprocket at the end of the driving motor through the driving chain. The transmission cylinder is driven to rotate by the driving motor, so that the door panel placed on the transmission cylinder moves by itself for spraying.

[0009] Preferably, a fan for blowing air upward is fixedly provided at the bottom of the frame, so as to quickly dry the lower surface of the door panel after spraying.

[0010] Preferably, a fan for blowing air downward is fixedly provided on the side of the spraying cabin for quickly blowing and drying the upper surface of the door panel after spraying.

[0011] Preferably, a hollow structure is provided on the side of the spraying cabin and a glass window is fixedly installed in the hollow body for observing the spraying situation inside the spraying cabin, so as to facilitate the staff to quickly find problems.

[0012] The advantages and positive effects of the utility model are: the pump transports the spray liquid to the nozzle through a hose, and then the multi-rod linkage design allows multiple nozzles to swing within a set angle, effectively increasing the spraying area and the spraying uniformity, and the paint is confined to a certain space to a certain extent through the spray cabin, which is cleaner, and after the spraying is completed, an external fan can be added as needed for quick drying, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the utility model;

[0016] Figure 3 yes Figure 1 Schematic diagram of the enlarged structure of the sprayed parts.

[0017] The symbols in the accompanying drawings are described as follows: 10, frame; 11, transmission chain; 12, transmission cylinder; 13, drive motor; 14, drive chain; 15, spray cabin; 16, electric drive servo; 17, connecting rod; 18, synchronization rod; 19, single rod; 20, nozzle; 21, support rod; 22, horizontal connecting rod; 23, cabin door. DETAILED DESCRIPTION

[0018] Now, the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, so they only show the components related to the utility model. The following is a further detailed description of the embodiments of the utility model with reference to the accompanying drawings:

[0019] like Figure 1-3 As shown, the fireproof door fireproof coating spraying device described in the utility model comprises a frame 10, a transmission cylinder 12 is rotatably provided on the frame 10, a spraying cabin 15 is fixedly provided in the middle of the frame 10, both ends of the spraying cabin 15 are provided with openings for the door panel to move along the transmission cylinder 12 into the spraying cabin 15, an electric drive steering gear 16 is provided above and below the spraying cabin 15, a synchronous rod 18 is rotatably provided in the spraying cabin 15, and an eccentric wheel is provided at the end of the electric drive steering gear 16, the eccentric wheel is hinged with the synchronous rod 18 through a connecting rod 17, and under the drive of the electric drive steering gear 16, the eccentric wheel is hinged with the synchronous rod 18. The synchronization rod 18 swings within a certain angle range, and a single rod 19 is fixed on the synchronization rod 18 at intervals by bolts, and a nozzle 20 for spraying fire retardant coating is fixed at the lower end of the single rod 19, and also includes a delivery hose for supplying fire retardant coating (the delivery hose is omitted for the sake of simplicity in drawing), and a support rod 21 is fixed at the tail end of the synchronization rod 18, and a cross-linking rod 22 is hinged between several of the support rods 21. Under the linkage action of the cross-linking rod 22, several synchronization rods 18 swing synchronously, thereby making the spraying surface of the nozzle 20 wider and effectively improving the uniformity.

[0020] Preferably, a door 23 is hingedly provided on the side of the spraying cabin 15 , and the structure in the spraying cabin 15 can be adjusted conveniently by opening the door 23 .

[0021] Preferably, a sprocket is provided at the end of the transmission cylinder 12 and is connected through a transmission chain 11. A driving motor 13 is fixedly provided on the frame 10. Two sprockets are provided at the end of one of the transmission cylinders 12, one for connecting with the transmission chain 11, and the other is connected to the sprocket at the end of the driving motor 13 through a driving chain 14. The driving motor 13 drives the transmission cylinder 12 to rotate, so that the door panel placed on the transmission cylinder 12 moves by itself for spraying.

[0022] Preferably, a fan for blowing air upward is fixedly provided at the bottom of the frame 10 to quickly dry the lower surface of the door panel after spraying.

[0023] Preferably, a fan for blowing air downward is fixedly provided on the side of the spraying cabin 15 for quickly blowing and drying the upper surface of the door panel after spraying.

[0024] Preferably, a hollow structure is provided on the side of the spraying cabin 15 and a glass window is fixedly installed in the hollow body for observing the spraying situation inside the spraying cabin 15, so as to facilitate the staff to quickly find problems.

[0025] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.

Claims

1. Fire-proof door fire-proof coating spraying device, characterized by: The invention comprises a frame (10), a transmission cylinder (12) being rotatably provided on the frame (10), a spraying cabin (15) being fixedly provided in the middle of the frame (10), openings being provided at both ends of the spraying cabin (15) for a door panel to move along the transmission cylinder (12) into the spraying cabin (15), an electric-driven steering gear (16) being provided above and below the spraying cabin (15), a synchronous rod (18) being rotatably provided in the spraying cabin (15), and an eccentric wheel being provided at the end of the electric-driven steering gear (16), the eccentric wheel being hinged to the synchronous rod (18) via a connecting rod (17), and being driven by the electric-driven steering gear (16) so that The synchronization rod (18) swings within a certain angle range, and a single rod (19) is fixedly provided on the synchronization rod (18) at intervals by bolts, and a nozzle (20) for spraying fire retardant coating is fixedly provided at the lower end of the single rod (19), and also includes a delivery hose for supplying fire retardant coating, and a support rod (21) is fixedly provided at the tail end of the synchronization rod (18), and a plurality of the support rods (21) are hingedly provided with a transverse connecting rod (22), and under the linkage action of the transverse connecting rod (22), the plurality of synchronization rods (18) swing synchronously, thereby making the spraying surface of the nozzle (20) wider and effectively improving the uniformity.

2. The fire-retardant coating spraying device for fire doors according to claim 1, characterized in that: A door (23) is hingedly provided on the side of the spraying cabin (15), and opening the door (23) facilitates adjustment of the structure in the spraying cabin (15).

3. The fire-retardant coating spraying device for fire-resistant doors according to claim 2, characterized in that: A sprocket is provided at the end of the transmission cylinder (12) and is connected via a transmission chain (11); a drive motor (13) is fixedly provided on the frame (10); two sprockets are provided at the end of one of the transmission cylinders (12), one of which is used to be connected to the transmission chain (11), and the other is connected to the sprocket at the end of the drive motor (13) via a drive chain (14); the drive motor (13) drives the transmission cylinder (12) to rotate, thereby causing a door panel placed on the transmission cylinder (12) to move by itself for spraying.

4. The fire-retardant coating spraying device for fire doors according to claim 3 is characterized in that: A fan for blowing air upwards is fixedly provided at the bottom of the frame (10) and is used to quickly dry the lower surface of the door panel after spraying.

5. The fire-retardant coating spraying device for fire-resistant doors according to claim 4, characterized in that: A fan for blowing air downwards is fixedly provided on the side of the spraying cabin (15) and is used for quickly blowing and drying the upper surface of the door panel after spraying.

6. The fire-retardant coating spraying device for fire-resistant doors according to claim 5, characterized in that: A hollow structure is provided on the side of the spraying cabin (15), and a glass window is embedded and fixed in the hollow structure for observing the spraying situation inside the spraying cabin (15).