KR20220170548A - Method and apparatus for manufacturing cushion products - Google Patents

Abstract

A method for manufacturing a cushion product, which is performed by an apparatus for manufacturing a cushion product according to one embodiment of the present invention comprises the steps of: identifying load distribution based on design data for a cushion product; dividing a design area for the cushion product into N partial design areas according to the identified load distribution, wherein N is a natural number; and applying different honeycomb lattice structures according to the load distribution to at least a first partial design area and a second partial design area among the N partial design areas to generate three-dimensional printing data reflecting the load distribution, wherein the honeycomb lattice structures applied to the first partial design area and the second partial design area are different in at least one of wall thickness and a cell size of a honeycomb cell.

Description

Cushion product manufacturing device and method {METHOD AND APPARATUS FOR MANUFACTURING CUSHION PRODUCTS}

The present invention relates to an apparatus for producing a cushion product and a method for producing a cushion product with such an apparatus.

As is well known, various cushion products are produced and used in various industrial fields. As a representative example of such a cushion product, there is a car seat.

According to the prior art, since the automobile seat is made of one huge foam, as the load is applied differently, the cushion in a specific part tends to fall out first as the period of use elapses, and thus, the shock absorption capacity There is a problem with this falling off.

Republic of Korea Patent Publication No. 10-2020-0104166, published on September 03, 2020.

According to one embodiment, a cushion product manufacturing apparatus and method for generating three-dimensional printing data by applying different honeycomb lattice structures according to load distribution are provided.

The problem to be solved by the present invention is not limited to those mentioned above, and another problem to be solved that is not mentioned will be clearly understood by those skilled in the art from the description below.

A cushion product manufacturing method performed by the cushion product manufacturing apparatus according to the first aspect includes determining a load distribution based on design data of the cushion product, and determining a design area for the cushion product according to the determined load distribution by N Dividing into partial design areas (where N is a natural number), and applying different honeycomb lattice structures to at least a first partial design area and a second partial design area among the N partial design areas according to the load distribution and generating 3D printing data in which the load distribution is reflected, wherein the honeycomb lattice structure applied to the first partial design area and the second partial design area is at least one of a wall thickness and a cell size of the honeycomb cell. one is different

An apparatus for manufacturing a cushion product according to a second aspect includes an input unit into which design data of a cushion product is input, a processor unit generating 3D printing data based on the design data, and providing a result according to the 3D printing data and a providing unit, wherein the processor unit determines a load distribution based on the design data, and divides a design area for the cushion product into N (where N is a natural number) partial design area according to the identified load distribution. , Applying different honeycomb lattice structures according to the load distribution to at least a first partial design area and a second partial design area among the N partial design areas to generate three-dimensional printing data reflecting the load distribution, The honeycomb lattice structures applied to the first partial design area and the second partial design area are different from each other in at least one of a wall thickness and a cell size of honeycomb cells.

A computer readable recording medium storing a computer program according to a third aspect includes the step of determining, by the computer program, a load distribution based on design data of a cushion product, and determining the cushion product according to the identified load distribution. Dividing a design area for N into N partial design areas, where N is a natural number, and different honeys for at least a first partial design area and a second partial design area among the N partial design areas according to the load distribution and generating three-dimensional printing data in which the load distribution is reflected by applying a comb lattice structure, wherein the honeycomb lattice structure applied to the first partial design area and the second partial design area determines the wall thickness of the honeycomb cell and instructions for causing the processor to perform a cushion product manufacturing method in which at least one of the cell size and the cell size is different from each other.

The computer program stored in the computer readable recording medium according to the fourth aspect includes the steps of determining, by the computer program, a load distribution based on design data of a cushion product, and designing the cushion product according to the identified load distribution. Dividing the area into N partial design areas, where N is a natural number, and different honeycomb lattices for at least a first partial design area and a second partial design area among the N partial design areas according to the load distribution and generating 3D printing data in which the load distribution is reflected by applying the structure, wherein the honeycomb lattice structure applied to the first partial design area and the second partial design area is determined by the wall thickness of the honeycomb cell and the cell At least one of the sizes includes instructions for causing the processor to perform a method of manufacturing a cushion product that is different from each other.

According to an embodiment, 3D printing data is generated by applying different honeycomb lattice structures according to load distribution.

According to this embodiment of the present invention, the honeycomb lattice structure having different energy absorbing capacities according to the load distribution is disposed, and as the use period elapses, the phenomenon in which the cushion turns off first in a specific part is suppressed as much as possible to increase the shock absorbing capacity. It has a long lasting effect.

1 is a block diagram of a cushion product manufacturing apparatus according to an embodiment of the present invention.
2 is an exemplary view of a honeycomb lattice structure applied to a cushion product according to an embodiment of the present invention.
3 is a flowchart illustrating a method of manufacturing a cushion product performed by an apparatus for manufacturing a cushion product according to an embodiment of the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the embodiments described below in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to completely inform the person who has the scope of the invention, and the present invention is only defined by the scope of the claims.

The terms used in this specification will be briefly described, and the present invention will be described in detail.

The terms used in the present invention have been selected from general terms that are currently widely used as much as possible while considering the functions in the present invention, but these may vary depending on the intention of a person skilled in the art or precedent, the emergence of new technologies, and the like. In addition, in a specific case, there is also a term arbitrarily selected by the applicant, and in this case, the meaning will be described in detail in the description of the invention. Therefore, the term used in the present invention should be defined based on the meaning of the term and the overall content of the present invention, not simply the name of the term.

When it is said that a certain part 'includes' a certain element in the entire specification, it means that other elements may be further included without excluding other elements unless otherwise stated.

In addition, the term 'unit' used in the specification means software or a hardware component such as FPGA or ASIC, and 'unit' performs certain roles. However, 'part' is not limited to software or hardware. A 'unit' may be configured to reside in an addressable storage medium and may be configured to reproduce one or more processors. Thus, as an example, 'unit' refers to components such as software components, object-oriented software components, class components and task components, processes, functions, properties, procedures, subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays and variables. The functionality provided within the components and 'parts' may be combined into a smaller number of elements and 'parts' or further separated into additional elements and 'parts'.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted.

1 is a block diagram of a cushion product manufacturing apparatus according to an embodiment of the present invention.

Referring to FIG. 1 , an apparatus 100 for manufacturing cushion products according to an embodiment includes an input unit 110 , a processor unit 120 and a provision unit 130 . And, the cushion product manufacturing apparatus 100 may further include a storage unit 140 .

Design data of a cushion product is input to the input unit 110 . The input unit 110 may include a serial interface capable of directly receiving design data or a communication module capable of receiving input through a communication channel. For example, design data may include information on expected load values for each position of a cushion product. Alternatively, the design data may include information capable of predicting the height of the load for each function of the cushion product. For example, when the cushion product is a car seat, information on a back cushion area and a seating cushion area may be included.

The processor unit 120 generates 3D printing data based on design data input through the input unit 110 . And, the processor unit 120 controls the providing unit 130 to provide the 3D printing data to the outside. For example, the processor unit 120 may include a computing operation means such as a microprocessor. Functions and operations of the processor unit 120 will be described again below.

The provision unit 130 provides the 3D printing data to the outside according to the control of the processor unit 120 . For example, the providing unit 130 inputs the 3D printing data generated by the processor unit 120 to a 3D printer to provide a cushion product having a honeycomb lattice structure in which load distribution is reflected as an output of the 3D printer. can For example, the provision unit 130 may include a serial interface capable of directly providing 3D printing data to a peripheral device such as a 3D printer, or a communication module capable of transmitting 3D printing data through a communication channel. .

Various processing results by the processor unit 120 may be stored in the storage unit 140 . In addition, a program including various instructions for the processor 120 to perform the method for manufacturing a cushion product according to an embodiment of the present invention may be stored in the storage unit 140 . For example, the storage unit 140 may include an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a flash memory type, a hard disk type, and a multimedia card. Micro type (multimedia card micro type), card type memory (eg SD or XD memory, etc.), RAM (Random Access Memory, RAM), SRAM (Static Random Access Memory), ROM (Read-Only Memory, ROM) ) may include at least one computer readable storage medium.

Looking at the function and operation of the processor unit 120 in more detail, the processor unit 120 determines the load distribution based on the design data input through the input unit 110, and determines the cushion product according to the identified load distribution. The design area for is divided into N (where N is a natural number) partial design area.

Also, the processor unit 120 applies different honeycomb lattice structures to at least a first partial design area and a second partial design area among the N partial design areas according to load distribution. For example, if the total load or average load of the first partial design area is higher than the total load or average load of the second partial design area, the honeycomb lattice structure applied to the first partial design area is It can be designed with higher energy absorption capacity than the honeycomb lattice structure applied to

2 is an exemplary view of a honeycomb lattice structure applied to a cushion product according to an embodiment of the present invention. Even in a honeycomb lattice structure having the same size (H*W*D), even if only one of the honeycomb cell wall thickness (t) and the honeycomb cell size (L) is different, the energy absorption capacity of the honeycomb lattice structure It changes. Through experiments, it was confirmed that the energy absorption capacity and the wall thickness (t) of the honeycomb cell are inversely proportional, and the energy absorption capacity and the size (L) of the honeycomb cell are proportional.

The processor unit 120 identifies energy absorption capacities required for the N partial design regions, for example, the first partial design region and the second partial design region, and determines the energy absorption capacity required for each partial design region according to the determined energy absorption capacity. You can determine the thickness and cell size.

3 is a flowchart illustrating a method of manufacturing a cushion product performed by the apparatus 100 for manufacturing a cushion product according to an embodiment of the present invention.

Hereinafter, a method of manufacturing a cushion product performed by the apparatus 100 for manufacturing a cushion product according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3 .

First, a user inputs design data of a cushion product through the input unit 110 . For example, the cushion product manufacturing apparatus 100 may directly input design data through a serial interface, or the design data may be input into the cushion product manufacturing apparatus 100 through a communication channel.

Then, the processor unit 120 determines the load distribution of the cushion product based on the design data input through the input unit 110 . For example, the design data may include information on expected load values for each position of the cushion product, and the processor unit 120 may determine load distribution based on the information on expected load values for each position. For example, when the cushion product is a car seat, information on the back cushion area and the hip cushion area may be included, and the height of the load may be predicted and inferred for each function of the cushion product included in the design data (S310).

Then, the processor unit 120 divides the design area for the cushion product into N (where N is a natural number) partial design area according to the load distribution determined in step S310. For example, the processor unit 120 may determine the distribution of required energy absorption capacity according to the identified load distribution, divide the energy absorption capacity into a plurality of levels, and determine the number of levels as the number of partial design regions, that is, the N value. Yes (S320).

Then, the processor unit 120 determines the energy absorption capacity required according to the load distribution for the N partial design areas, that is, the distribution of the energy absorption capacity (S330).

Subsequently, the processor unit 120 applies different honeycomb lattice structures to each partial design area by determining the cell wall thickness and cell size of the honeycomb lattice structure. For example, when the first partial design area and the second partial design area are divided in step S320, different honeycomb lattice structures may be applied to the first partial design area and the second partial design area according to the load distribution. . For example, if the total load or average load of the first partial design area is higher than the total load or average load of the second partial design area, the honeycomb lattice structure applied to the first partial design area is It can be designed with higher energy absorption capacity than the honeycomb lattice structure applied to Here, the processor unit 120 may increase the cell size (L) or thin the wall thickness (t) of the honeycomb cell in order to increase the energy absorption capacity of a specific partial design area. Alternatively, the processor unit 120 may reduce the cell size (L) or increase the wall thickness (t) of the honeycomb cell in order to lower the energy absorption capacity of the specific partial design area (S340).

The processor unit 120 generates 3D printing data by applying the honeycomb lattice structure determined by performing up to step S340 (S350).

Then, the processor unit 120 controls the provision unit 130 to provide the 3D printing data generated in step S350 to the outside. For example, the providing unit 130 inputs the 3D printing data generated by the processor unit 120 to a 3D printer to provide a cushion product having a honeycomb lattice structure in which load distribution is reflected as an output of the 3D printer. It can (S360).

Meanwhile, each step included in the method for manufacturing a cushion product according to an embodiment described above may be implemented in a computer readable recording medium recording a computer program including instructions for performing the step.

As described above, according to an embodiment of the present invention, 3D printing data is generated by applying different honeycomb lattice structures according to load distribution. According to this embodiment of the present invention, the honeycomb lattice structure having different energy absorbing capacities according to the load distribution is disposed, and as the use period elapses, the phenomenon in which the cushion turns off first in a specific part is suppressed as much as possible to increase the shock absorbing capacity. It has a long lasting effect.

Combinations of each step in each flowchart attached to the present invention may be performed by computer program instructions. Since these computer program instructions may be loaded into a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing equipment, the instructions executed by the processor of the computer or other programmable data processing equipment function as described in each step of the flowchart. create a means to do them. These computer program instructions can also be stored on a computer usable or computer readable medium that can be directed to a computer or other programmable data processing equipment to implement functions in a particular way, so that the computer usable or computer readable It is also possible that the instructions stored on the recording medium produce an article of manufacture containing instruction means for performing the functions described in each step of the flowchart. The computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operational steps are performed on the computer or other programmable data processing equipment to create a computer-executed process to generate computer or other programmable data processing equipment. Instructions for performing the processing equipment may also provide steps for executing the functions described at each step in the flowchart.

Further, each step may represent a module, segment or portion of code that includes one or more executable instructions for executing the specified logical function(s). It should also be noted that in some alternative embodiments it is possible for the functions mentioned in the steps to occur out of order. For example, two steps shown in succession may in fact be performed substantially concurrently, or the steps may sometimes be performed in reverse order depending on the function in question.

The above description is merely an example of the technical idea of the present invention, and various modifications and variations can be made to those skilled in the art without departing from the essential qualities of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be construed according to the claims below, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

100: cushion product manufacturing device
110: input unit
120: processor unit
130: provision unit
140: storage unit

Claims (10)

A cushion product manufacturing method performed by a cushion product manufacturing device,
Figuring out the load distribution based on the design data of the cushion product;
Dividing the design area for the cushion product into N (where N is a natural number) partial design area according to the identified load distribution;
By applying different honeycomb lattice structures according to the load distribution to at least a first partial design area and a second partial design area among the N partial design areas, 3D printing data reflecting the load distribution is generated. including the steps of
In the honeycomb lattice structure applied to the first partial design area and the second partial design area, at least one of a wall thickness and a cell size of honeycomb cells is different from each other.
How to manufacture cushion products. According to claim 1,
Generating the 3D printing data,
figuring out energy absorption capacities required for the first partial design area and the second partial design area;
Determining the wall thickness and cell size of the honeycomb cell for each partial design area according to the identified energy absorption capacity.
How to manufacture cushion products. According to claim 2,
The energy absorption capacity is inversely proportional to the wall thickness of the honeycomb cell, and the energy absorption capacity is proportional to the cell size of the honeycomb cell.
How to manufacture cushion products. According to claim 1,
Further comprising the step of obtaining the cushion product as an output of the 3D printer by inputting the 3D printing data to a 3D printer
How to manufacture cushion products. An input unit into which design data of a cushion product is input;
A processor unit generating three-dimensional printing data based on the design data;
A provision unit for providing a result according to the 3D printing data,
The processor unit,
A load distribution is grasped based on the design data, and a design area for the cushion product is divided into N partial design areas, where N is a natural number, according to the identified load distribution, and at least one of the N partial design areas Different honeycomb lattice structures are applied to the first partial design area and the second partial design area according to the load distribution to generate 3D printing data in which the load distribution is reflected, and the first partial design area and in the honeycomb lattice structure applied to the second partial design area, at least one of the wall thickness and the cell size of the honeycomb cells is different from each other.
Cushion product manufacturing equipment. According to claim 5,
The processor unit,
Identifying the energy absorption capacity required for the first partial design area and the second partial design area, and determining the wall thickness and cell size of the honeycomb cell for each partial design area according to the identified energy absorption capacity
Cushion product manufacturing equipment. According to claim 6,
The energy absorption capacity is inversely proportional to the wall thickness of the honeycomb cell, and the energy absorption capacity is proportional to the cell size of the honeycomb cell.
Cushion product manufacturing equipment. According to claim 5,
The provisioning department,
Providing the cushion product as an output of the 3D printer by inputting the 3D printing data to a 3D printer
Cushion product manufacturing equipment. A computer-readable recording medium storing a computer program,
When the computer program is executed by a processor,
Figuring out the load distribution based on the design data of the cushion product;
Dividing the design area for the cushion product into N (where N is a natural number) partial design area according to the identified load distribution;
By applying different honeycomb lattice structures according to the load distribution to at least a first partial design area and a second partial design area among the N partial design areas, 3D printing data reflecting the load distribution is generated. including the steps of
The honeycomb lattice structure applied to the first partial design area and the second partial design area receives instructions for causing the processor to perform a method of manufacturing a cushion product in which at least one of a wall thickness and a cell size of honeycomb cells is different from each other. A computer-readable recording medium comprising: As a computer program stored on a computer-readable recording medium,
When the computer program is executed by a processor,
Figuring out the load distribution based on the design data of the cushion product;
Dividing the design area for the cushion product into N (where N is a natural number) partial design area according to the identified load distribution;
By applying different honeycomb lattice structures according to the load distribution to at least a first partial design area and a second partial design area among the N partial design areas, 3D printing data reflecting the load distribution is generated. including the steps of
The honeycomb lattice structure applied to the first partial design area and the second partial design area receives instructions for causing the processor to perform a cushion product manufacturing method in which at least one of a wall thickness and a cell size of honeycomb cells is different from each other. Including, a computer program.

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