Wooden doors have a long history. As a type of household item, they play an important role in people\’s lives. There are many types of wooden doors, with various materials and different structures, but generally they can be divided into two parts: door leaves and door frames. The door leaf is the main body of the wooden door, and it is also the carrier of the main function and design of the wooden door. The door cover seems to have no sense of existence, but \”a good door must be matched with a good cover.\” This article will focus on the door cover to explore its uniqueness and charm.
01 There is no \”good door cover\” ”, where can “there be a good door”
The beauty of wooden doors is reflected in many aspects, such as door color, shape, lines, etc. It is these elements that give wooden doors different styles and designs, so we can see Simple and heavy doors, stylish and simple doors, light and luxurious romantic doors…
But you might as well imagine that if the wooden door does not have the door cover, will it still have beauty and coordination? As the saying goes \”a good door comes with a good cover\”, the door cover is both functional and design-wise. From a perspective, the final effect of the wooden door is very important
Door cover refers to the door frame, which is generally used to fix and protect the door leaf. It must be customized according to the size of the reserved door opening. Through different shapes and designs, such as adding Roman columns, Decorative components such as arches play the role of dividing, transitioning and beautifying the space.
Different from Yakou, door cover design must follow two basic requirements: one is to meet the door\’s function, and the other is good decorativeness – consistent with the style of the door leaf.
02 Decorative effect of door coversEffect and function
As mentioned before, the role of door frames is not only for decoration, but also for beautification and beauty. Its practicality or functionality is also very important. The functionality here is mainly for the door. The protective and regulating functions of the cover.
02-1 door cover Decorative effect
The external curve shape of the door cover line plays a decorative role. A good door cover line shape can enhance the grade and design of the wooden set door.
The curved shape of the door frame often plays an important role in the overall style of the wooden door. It is not only an extension of the overall shape of the door leaf, but also an organic component of the wooden door design, which will be more harmonious visually.
▲Door cover lines of different shapes
02-2 Functions of door covers
The door cover line can not only play a decorative role, but one of its functional functions is that it has a telescopic adjustment function relative to the wall, which can adapt to the changes in the wall caused by construction. thickness deviation.
The door cover wire is inserted into the slot of the door cover plate, and its insertion depth has a certain degree of adjustment. When the wall is thin, the plug-in board can be inserted inward. If the wall is thick, pull it out a little. Make sure the door cover line is always close to the wall. Generally, the adjustable range of door frames is between 5mm and 15mm, which is enough to adapt to changes in wall thickness.
03 The simplicity and Complex structure type
After years of production practice, my country\’s wooden door industry currently has the following typical door cover product structures, which can be roughly divided into simple and complex types. The difference in structural form directly affects its external decorative effect and actual function.
▲The main structural components of the door cover
03-1 Simple door frame structure
\”Simple\” here refers to the size of the door panel structure or door stop line Relationship, the shape changes are limited to the door cover lines, so it looks relatively simple.
03-2 Complex door frame structure
Due to the large thickness of the door cover, you can design the door cover. For example, you can mill a curved shape on the end far away from the door to increase the decorative effect of the door cover.
It can be seen that the most important styling element of any door cover is the door cover line. A good door cover line shape can enhance the wooden suit The grade and design of the door
03-3 90° angle and 45° angle door cover lines
90° door cover splicing eliminates the step of cutting horizontal and vertical door covers. The vertical door cover line directly wraps the horizontal door cover line. It is a little higher, so it saves time and is easy to install.
During installation, this type of door cover is also relatively simple. Just press the door cover strips on both sides against the top door cover strip. Intuitively, there is no gap visible, and the overall look is more atmospheric.
45° angle door cover line, the spliced door cover will generally be cut to 45°. At the interface of the vertical door cover line and the horizontal door cover line, cut a 45 degree angle each and put them together. The workmanship is more exquisite. .
This method is more time-consuming, but it is more applicable and more refined. , but for shaped door covers, it is more suitable to use spliced 45° door cover lines.
03-4 A new type of door pocket structure
There is currently a new type of door cover structure on the market, which is used by many door companies in Zhejiang. Its structure is as shown in the figure below. This structure requires corresponding slotting and edge sealing. Equipment.
04 Main production and processing equipment for door covers
Today\’s door cover processing is becoming more and more specialized, integrated, and numerically controlled, and door cover processing equipment is also more intelligent and information-based, which makes the door cover production process More scientific, higher production efficiency. Next, we will intuitively demonstrate the main processes and equipment of door cover production through video display, and experience the intelligent manufacturing of modern door cover production.
04-1 Door cover machining and equipment
The mechanical processing of door pockets usually includes fixed length, corner cutting, slotting, drilling, etc. What is special here is the slot processing part, because door pockets usually Slots for hinges and lock tongues need to be reserved. These slots are relatively special and require special processing.
Let’s first look at the fixed length and corner cutting processing of the door cover. The fixed length of the door cover refers to processing the door cover into parts of a specific size. Components are suitable for door openings of different specifications; door pockets are usually cut at a 45-degree angle to make the 45-degree spliced door pockets mentioned above.
https://v.qq.com/txp/iframe/player.html?vid=t3262gg0yw3
▲Click to watch the video
Cut corners and fixed lengths of door frames
The above video demonstrates the process of mechanized length setting and angle cutting of door pockets. It can achieve precise length setting and angle cutting of door pockets, which improves production to a certain extent. Efficiency, but still requires manual assistance, and the degree of full automation needs to be improved
Door pocketIt is the main support of the door leaf and the basis for closing the door leaf. Therefore, the door cover needs to process the hinge slot and the lock tongue slot. These two slots have certain particularities and often require specific tools and programs for processing.
https://v.qq.com/txp/iframe/player. html?vid=z3262xd41cz
▲Punching holes in door frames
The video above is a demonstration of drilling holes in a door cover. After manual clamping and positioning, precise processing can be performed. Proper human-machine cooperation can greatly improve production efficiency.
https://v.qq.com/txp/iframe/player.html?vid=l3262870m1n
▲Slotting of the door pocket
The video above is the automatic slotting production of door covers. We can see that there is no human intervention in the whole process and it is completely automated. homework will undoubtedly push productivity to a higher level
(Video has not been updated yet)
▲Automatic combination processing of door covers
The video above demonstrates the automatic processing process of a door cover production line, including loading, ordering Long and end milling processing (angle cutting, slotting), lock tongue/hinge processing, blanking, and customized process design according to the production process
The door cover processing has a relatively high degree of automation and can realize combined processing of multiple processes. Automatic processing greatly improves the production efficiency of door pockets and saves manpower. It is a representative of intelligent manufacturing in modern door pocket operations.
04-2 Door cover assembly and packaging
In addition to the basic machining of the door pocket, the rear end of the door pocketManufacturing is also very important, affecting the overall processing efficiency. For example, the door frame assembly and fixed-length equipment shown in the video below can realize the automatic assembly of door frames. After the assembly is completed, the door frames are cut to length. The entire process is completed in one go, with intelligent control in place.
https://v.qq.com/txp/iframe/player.html?vid=r3262h4pk6n
▲Door cover assembly and length setting machine
When door pockets are packaged, the last process of the door pocket production line is completed manually for a long time. Not only is the production efficiency low, Moreover, product damage often occurs due to insufficient packaging. In fact, production equipment specifically for door covers has been put into actual production lines. As shown in the video below, after the door covers are put on the packaging line, the equipment will automatically measure the size of the product, and then automatically cut and package the paper.
https://v.qq.com/txp/iframe/player.html?vid=n3262c585rd
▲Automatic packaging of door covers
05 Conclusion
We have summarized the types, functions, common structures and main processing procedures of door covers for everyone. Especially in production and processing, more and more intelligent and automated equipment are appearing, which effectively improves the door performance. Set production efficiency and quality. The continuous maturation of door frame processing technology is also the key to the specialization, mechanization and informatization of woodworking machinery today.It is believed that in the foreseeable future, the production of wooden doors, including door frames, will be more efficient and smarter.
Consultant/ Luo Limin Edit / Su Mang
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