Splicing type steel-wood composite door leaf structure

Abstract

The utility model discloses a splicing type steel-wood composite door leaf structure, and aims to provide a splicing type steel-wood composite door leaf which is reasonable in structural design, can reduce the whole carrying steps of the door leaf and greatly improve the working efficiency, and comprises an upper door leaf panel, an upper cold-roll steel plate, a fireproof door core plate, a lower cold-roll steel plate and a lower door leaf panel from top to bottom, a solid wood edge sealing assembly is arranged between the upper door leaf face plate and the lower door leaf face plate and comprises a positioning layer, a clamping layer, a grip strength layer and a light exposure layer which are arranged from the fireproof door core plate to the two sides.

Description

Technical Field

[0001] The utility model relates to the technical field of door leaves, in particular to a spliced ​​steel-wood composite door leaf structure. Background Art

[0002] At present, the existing structures of steel-wood composite doors in the entire industry are divided into two categories: wooden edge banding or steel edge banding. Among them, the process of steel edge banding is to paint the door panels before gluing them, which reduces the difficulty of manual handling of the entire door leaf and overcomes the pain point that the assembly line cannot produce the entire door leaf. The process of wooden edge banding is to glue the door panels together and then perform fine cutting, side sealing, hole opening, primer, topcoat and other processes. It is necessary to manually carry the complete door leaf to complete the painting process. The circulation of traditional steel-wood composite door panels with wooden edge banding is achieved after gluing the entire panel, which greatly increases the weight of manual handling in each process and has problems such as long storage and drying time, low processing efficiency, and many inconveniences in circulation. Therefore, further improvement is urgently needed. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a spliced ​​steel-wood composite door leaf with a reasonable structural design, which can reduce the steps of overall door leaf transportation and greatly improve work efficiency.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] A spliced ​​steel-wood composite door leaf structure includes an upper door leaf panel, an upper cold-rolled steel plate, a fireproof door core plate, a lower cold-rolled steel plate and a lower door leaf panel from top to bottom. A solid wood edge sealing component is arranged between the upper door leaf panel and the lower door leaf panel. The solid wood edge sealing component includes a positioning layer, a clamping layer, a grip layer and a light-sensitive layer arranged on both sides from the fireproof door core plate.

[0006] Preferably, the positioning layer, the clamping layer and the light-sensitive layer are made of medium-density fiberboard, and the grip layer is made of plywood.

[0007] Preferably, the positioning layer, the clamping layer and the visible layer are 10 to 12 mm thick, and the grip layer is 15 to 18 mm thick.

[0008] Preferably, the upper door leaf panel and the lower door leaf panel are both provided with snap-fitting notches, and the snap-fitting layer is provided with snap-fitting protrusions that match the snap-fitting notches.

[0009] Preferably, fireproof expansion sealing strips are attached between the two ends of the light-seeing layer and the upper door panel and the lower door panel.

[0010] Preferably, the upper door leaf panel and the lower door leaf panel are both made of medium-density fiberboard and veneer veneer attached to the surface of the medium-density fiberboard.

[0011] Preferably, the fireproof door core board is made of a composite of thermal insulation mortar and glass wool.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] This practical spliced ​​steel-wood composite door leaf structure uses solid wood edge banding components to achieve precise positioning and stably combine the upper door leaf panel, upper cold-rolled steel plate, fireproof door core plate, lower cold-rolled steel plate and lower door leaf panel. There is no need to perform fine cutting, side banding, hole opening, primer, topcoat and other processes after gluing. The components can be directly produced separately, which reduces the overall painting labor cost. In terms of transportation and processing, 200 kilograms of items are converted into 30 kilograms of items, the storage quantity is increased, and the processing speed is faster, which greatly speeds up the production speed of wood-edge-banded steel-wood doors, reduces the production difficulty, and reduces material costs and labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of a spliced ​​steel-wood composite door structure of the utility model Figure 1 ;

[0015] Figure 2 This is a schematic diagram of a spliced ​​steel-wood composite door structure of the utility model Figure 2 ;

[0016] Figure 3 for Figure 1 A partial enlarged view of middle A. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figures 1 to 3A spliced ​​steel-wood composite door leaf structure includes, from top to bottom, an upper door leaf panel 1, an upper cold-rolled steel plate 2, a fireproof door core panel 3, a lower cold-rolled steel plate 4, and a lower door leaf panel 5. A solid wood edge banding assembly 6 is provided between the upper door leaf panel 1 and the lower door leaf panel 5. The solid wood edge banding assembly 6 includes a positioning layer 61, a clamping layer 62, a gripping layer 63, and a visible layer 64 provided on both sides from the fireproof door core panel 3. The positioning layer 61, the clamping layer 62, and the visible layer 64 are made of medium-density fiberboard, and the gripping layer 63 is made of plywood. The positioning layer 61 ensures that the upper cold-rolled steel plate 2 and the lower cold-rolled steel plate 4 are limited and fixed, the clamping layer 62 ensures that the upper door panel 1 and the lower door panel 5 are limited and fixed, and the grip layer 63 enhances the nail holding force. Ordinary density boards or pine wood and other materials are not hard enough and have weak nail holding force, so the material is replaced with multi-layer plywood to increase the nail holding force. The main function of the visible layer 64 is the visible surface layer of the veneer. The visible surface is veneered and painted according to customer requirements, so the material must be smooth and flat, and not easy to deform as a whole, so the material is medium-density fiberboard.

[0019] This practical spliced ​​steel-wood composite door leaf structure achieves precise positioning through the solid wood edge banding component 6 to stably combine the upper door leaf panel 1, the upper cold-rolled steel plate 2, the fireproof door core plate 3, the lower cold-rolled steel plate 4 and the lower door leaf panel 5. There is no need to perform fine cutting, side sealing, hole opening, primer, topcoat and other processes after gluing. The components can be directly produced separately, which reduces the overall painting labor cost. In terms of transportation and processing, 200 kilograms of items are converted into 30 kilograms of items, the storage quantity is increased, and the processing speed is faster, which greatly speeds up the production speed of the wood-edge-banded steel-wood door, reduces the difficulty of production, and reduces the material cost and labor cost. In addition, since the upper cold-rolled steel plate 2 and the lower cold-rolled steel plate 4 are disconnected, the internal structure is a broken bridge structure, which also improves the thermal insulation performance of the door leaf.

[0020] The positioning layer 61 , the clamping layer 62 and the visible layer 64 are 10 to 12 mm thick, and the grip layer 63 is 15 to 18 mm thick. The thicker the grip layer 63 is, the stronger the nail holding force is. Preferably, the thickness is 15 to 18 mm.

[0021] Both the upper door panel 1 and the lower door panel 5 are provided with a snap-in slot 7, and the snap-in layer 62 is provided with a snap-in protrusion 621 adapted to the snap-in slot 7. The setting of the snap-in protrusion 621 ensures that the upper door panel 1 and the lower door panel 5 are limited and fixed.

[0022] Fireproof expansion sealing strips 8 are attached between the two ends of the visible layer 64 and the upper door panel 1 and the lower door panel 5 respectively, which ensure the sealing effect and also play a role in closing the joints because the joints are unsightly due to the three-section splicing interface.

[0023] The upper door panel 1 and the lower door panel 5 are both made of medium-density fiberboard and veneer veneers attached to the surfaces of the medium-density fiberboard.

[0024] The fireproof door core board 3 is made of thermal insulation mortar and glass wool material, and has good fireproof effect.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spliced ​​steel-wood composite door leaf structure, characterized by: It includes an upper door panel, an upper cold-rolled steel plate, a fireproof door core plate, a lower cold-rolled steel plate and a lower door panel from top to bottom. A solid wood edge sealing component is arranged between the upper door panel and the lower door panel. The solid wood edge sealing component includes a positioning layer, a clamping layer, a grip layer and a light-sensitive layer arranged on both sides from the fireproof door core plate.

2. The spliced ​​steel-wood composite door leaf structure according to claim 1, characterized in that: The positioning layer, the clamping layer and the light-sensitive layer are made of medium-density fiberboard, and the grip layer is made of plywood.

3. The spliced ​​steel-wood composite door leaf structure according to claim 2, characterized in that: The positioning layer, the clamping layer and the visible layer are 10 to 12 mm thick, and the grip layer is 15 to 18 mm thick.

4. The spliced ​​steel-wood composite door leaf structure according to claim 1, characterized in that: The upper door leaf panel and the lower door leaf panel are both provided with snap-fitting notches, and the snap-fitting layer is provided with snap-fitting protrusions matched with the snap-fitting notches.

5. The spliced ​​steel-wood composite door leaf structure according to claim 1, characterized in that: Fireproof expansion sealing strips are respectively attached between the two ends of the light-visible layer and the upper door leaf panel and the lower door leaf panel.

6. The spliced ​​steel-wood composite door leaf structure according to any one of claims 1 to 5, characterized in that: The upper door leaf panel and the lower door leaf panel are both composed of medium-density fiberboard and veneer facings attached to the surfaces of the medium-density fiberboard.

7. The spliced ​​steel-wood composite door leaf structure according to any one of claims 1 to 5, characterized in that: The fireproof door core board is made of thermal insulation mortar and glass wool.

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