阅读说明：本技术 一种模块化沙发铁架、生产方法及生产线 (Modular sofa iron frame, production method and production line ) 是由 曹勇 邹国礼 于 2019-10-11 设计创作，主要内容包括：本发明提供了一种模块化沙发铁架、生产方法及生产线,该方法包括：将沙发铁架左、右片分为至少四个铁架模块,分别为腿部模块、侧板模块、靠背模块、支撑模块；冲压生产组成所述铁架模块的零部件；所述零部件上的连接孔内预埋翻边衬套,将所述零部件组合成所述铁架模块；对所述铁架模块进行组装,形成不同功能的沙发铁架,采用铆接或螺栓连接组装所述铁架模块。其解决了现有技术中的沙发铁架无法批量预制和自动化生产,生产效率低等问题。(The invention provides a modular sofa iron stand, a production method and a production line, wherein the method comprises the following steps: dividing the left and right pieces of the sofa iron frame into at least four iron frame modules which are respectively a leg module, a side plate module, a backrest module and a support module; stamping to produce parts forming the iron frame module; embedding a flanging bushing in a connecting hole on the part, and combining the part into the iron frame module; and assembling the iron frame modules to form sofa iron frames with different functions, and assembling the iron frame modules by riveting or bolt connection. It has solved the unable prefabricated and automated production in batches of sofa iron frame among the prior art, and production efficiency hangs down the scheduling problem.)

1. A production method of a modular sofa iron frame is characterized by comprising the following steps:

dividing a left sheet and a right sheet of a sofa iron frame into at least four iron frame modules (1) which are respectively a leg module (11), a side plate module (12), a backrest module (13) and a support module (14);

stamping parts forming the iron frame module (1);

embedding a flanging bushing (17) in a connecting hole on the part, and combining the part into the iron frame module (1);

assembling the iron frame module (1) to form sofa iron frames with different functions, and assembling the iron frame module (1) by riveting or bolt connection.

2. The method of claim 1, wherein the method further comprises: the iron stand module (1) further comprises a self-locking module (15).

3. The method of claim 1, wherein the method further comprises: the leg module (11) comprises a four-bar linkage (111) and a footrest part (112) at the end of the four-bar linkage (111).

4. The method of claim 1, wherein the method further comprises: the support module (14) is divided into a leg support assembly, a seat support assembly and a seat support linear drive assembly.

5. The method of claim 1, wherein the method further comprises: the side panel modules (12) are divided into vertical side panel assemblies and horizontal side panel assemblies.

6. The method of claim 1, wherein the method further comprises: the flanging bushing (17) is a metal bushing, and the inner side of the flanging bushing (17) is provided with a strong fluorine dragon coating.

7. The method of claim 1, wherein the method further comprises: step bolts are arranged in the flanging lining (17), and the iron frame module (1) is assembled through anti-skidding nuts.

8. The method of claim 1, wherein the method further comprises: and (3) after the parts are combined into the iron frame module (1), storing and transporting the parts in the manner of the iron frame module (1).

9. The utility model provides a modularization sofa iron stand production line which characterized in that: including spare part subregion (2), iron stand module subregion (3), storage subregion (4) and at least one transport module (5), spare part subregion (2) are deposited the spare part of pre-buried turn-ups bush (17), iron stand module subregion (3) correspond the punching rivet or the bolt pressure equipment processing technology of spare part, storage subregion (4) storage iron stand module (1), spare part subregion (2) iron stand subregion and the access & exit of storage subregion (4) are provided with reading device, reading device discernment spare part or the information that marks of iron stand module (1).

10. The utility model provides a modularization sofa iron stand which characterized in that: the left sheet and the right sheet of the sofa iron frame comprise at least four iron frame modules (1) which are respectively a leg module (11), a side plate module (12), a backrest module (13) and a supporting module (14), flanging bushings (17) are embedded in connecting holes in parts of the iron frame modules (1), and the iron frame modules (1) are assembled through riveting or bolt connection.

Technical Field

The invention relates to the technical field of sofas, in particular to a modular sofa iron frame, a production method and a production line.

Background

To meet the demands of consumers, the sofa has more and more functions, such as electric or manual functions of backrest tilting, foot-cushion telescoping, or simulated rotatable or sliding functions. The traditional production process of the sofa iron frame comprises the steps of stamping finished steel coils into parts, then manually riveting and connecting the parts on a riveting production line, and then carrying out paint dipping and assembling operations. Generally, an iron frame riveting production line of a sofa product needs 20-30 operators, the operators need to butt joint parts, bushes and plastic gaskets, then operate a riveting machine to rivet different parts or parts combinations, and requirements on proficiency and physical ability of workers are high. The station belongs to a post with intensive personnel, the requirement on the site is high, the labor amount is large, a certain station is disjointed, a large amount of semi-finished products can be stacked on the station, and the influence of labor cost and personnel flow on the productivity and the quality is a problem to be considered. For manufacturers with multiple products, the traditional production mode obviously cannot meet the requirements and becomes a main problem restricting development.

Therefore, how to realize the automatic production of the sofa iron frame and reduce the labor is a technical problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

The invention provides a modular sofa iron frame, a production method and a production line, and solves the problems that the sofa iron frame in the prior art cannot be prefabricated in batch and automatically produced, the production efficiency is low and the like.

In order to achieve the purpose, the invention adopts the following technical scheme:

a production method of a modular sofa iron frame is characterized by comprising the following steps:

dividing the left and right pieces of the sofa iron frame into at least four iron frame modules which are respectively a leg module, a side plate module, a backrest module and a support module;

stamping to produce parts forming the iron frame module;

embedding a flanging bushing in a connecting hole on the part, and combining the part into the iron frame module;

and assembling the iron frame modules to form sofa iron frames with different functions, and assembling the iron frame modules by riveting or bolt connection.

Preferably, the hob module further comprises a self-locking module.

Preferably, the leg module comprises a four-bar linkage and a leg rest member at an end of the four-bar linkage.

Preferably, the support modules are divided into a leg support assembly, a seat support assembly and a seat support linear drive assembly, and different support modules are selected according to needs.

Preferably, the side panel modules are divided into vertical side panel assemblies and horizontal side panel assemblies.

Preferably, the flanging lining is a metal lining, and the inner side of the flanging lining is provided with a strong fluorine dragon coating.

Preferably, a step bolt is arranged in the flanging lining, and the iron frame module is assembled through an anti-slip nut.

Preferably, the parts are assembled into the hob module and then stored and transported in the manner of the hob module.

The utility model provides a modularization sofa iron stand production line which characterized in that: including spare part subregion, iron stand module subregion, storage subregion and at least one transport module, spare part subregion deposits the spare part of pre-buried turn-ups bush, iron stand module subregion corresponds the towards riveting or the bolt pressure equipment technology of spare part, storage subregion storage iron stand module, the spare part subregion iron stand subregion and the access & exit of storage subregion is provided with reading device, reading device discernment spare part or the mark information of iron stand module.

The utility model provides a modularization sofa iron stand which characterized in that: the left sheet and the right sheet of the sofa iron frame comprise at least four iron frame modules, namely a leg module, a side plate module, a backrest module and a support module, flanging bushes are embedded in connecting holes in parts of the iron frame modules, and the iron frame modules are assembled through riveting or bolt connection.

Preferably, the leg support assembly is divided into a leg support assembly, a seat support assembly and a seat support linear drive assembly.

In summary, compared with the prior art, the invention has the advantages that: the traditional manual riveting assembly line is replaced, the tool can be used for positioning and riveting, automatic riveting of modules is realized by combination, and the requirements on the field and the number of personnel are reduced; the modularized production reduces the inventory cost and improves the flexibility of product shipment.

Drawings

FIG. 1 is a schematic view of the structure of a left and right sheet of a sofa iron frame;

FIG. 2 is a schematic view of the side panel module of FIG. 1;

FIG. 3 is a schematic view of a back module of FIG. 1;

FIG. 4 is a schematic diagram of the linkage module of FIG. 1;

FIG. 5 is a schematic view of the leg module of FIG. 1;

FIG. 6 is a schematic view of the support module of FIG. 1;

FIG. 7 is a schematic diagram of the self-locking module structure of FIG. 1;

FIG. 8 is a schematic view of the structure of the turn-up bushing;

FIG. 9 is a production line flow diagram;

FIG. 10 is a schematic view of a production line configuration.

The reference numbers in the figures are as follows:

1. the four-bar linkage type portable multifunctional chair comprises an iron frame module, 11 parts of a leg module, 111 parts of a four-bar linkage mechanism, 112 parts of a leg rest, 12 parts of a side plate module, 13 parts of a backrest module, 14 parts of a support module, 15 parts of a self-locking module, 16 parts of a linkage module, 17 parts of a flanging bush, 2 parts of a partition, 3 parts of the iron frame module of a partition, 31 parts of the side plate module of a partition, 32 parts of the backrest module of a partition, 4 parts of a storage partition and 5 parts of a carrying module.

Detailed Description

The invention will be further elucidated with reference to an embodiment in the drawing.

As shown in fig. 1 to 7, the left and right pieces of the modular sofa iron frame of the present embodiment include six iron frame modules, which are a leg module 11, a side plate module 12, a backrest module 13, a support module 14, a self-locking module 15 and a linkage module 16. The flanging bushing 17 is embedded in a connecting hole on a part of the iron frame module 1, and the iron frame module 1 is assembled by riveting or bolt connection to form a left piece and a right piece of the sofa iron frame. The flanging bush 17 is a metal bush, and the inner side of the flanging bush 17 is provided with a strong fluorine dragon coating. Step bolts 18 are arranged in the flanging bushes 17 of the connecting holes between the iron frame modules 1, and the iron frame modules 1 are assembled through anti-slip nuts. The leg module 11 comprises a four-bar linkage 111 and a footrest part 112 at the end of the four-bar linkage 111.

And flanging bushings 17 are arranged at the connecting holes of the linkage module 16, which are connected with the supporting module 14 and the leg module 11. A flanging bush 17 is arranged at the connecting hole of the backrest module 13 connected with the leg module 11. A flanging bush 17 is arranged at a connecting hole on the self-locking module 15, which is connected with the linkage module 16.

The modular sofa iron frame is manufactured by the modular sofa iron frame production method, and the modular sofa iron frame production method is explained in detail by specific embodiments below.

As shown in fig. 9, the method for producing the modular sofa iron frame in the embodiment includes the following steps:

s01, dividing the left and right pieces of the sofa iron frame into a leg module 11, a side plate module 12, a backrest module 13, a support module 14, a self-locking module 15 and a linkage module 16, and stamping raw material coil steel to produce parts forming the iron frame module 1;

embedding a flanging bushing 17 in a connecting hole on a part of a bushing press-fitting machine, placing the part on a tool clamp, and combining the part into the iron frame module by using numerical control riveting equipment or a bolt press-fitting machine;

performing paint dipping treatment on the iron frame module;

s02, assembling the vertical side plate component and the leg support component by adopting a punching riveting mode,

the semi-finished product is connected with a seat supporting component,

the semi-finished product is connected with a leg module 11, two connection points of the leg module 11 are respectively connected with a vertical side plate component and a leg component through bolts,

the semi-finished product is connected with the backrest module 13, the part P2 of the backrest module 13 and the backrest link part P3 are respectively connected with the vertical side plate assembly and the seat supporting assembly through bolts,

connecting the semi-finished product with a self-locking module 15, wherein two connecting rods of the self-locking module 15 are respectively connected with a vertical side plate component and a leg supporting component through bolts, so as to finish left and right sheets of the iron frame;

and S03, connecting the left and right pieces of the iron frame with the connecting rod structures between the left and right pieces to complete the assembly of the sofa iron frame.

And subsequently, arranging a wood frame structure on the sofa iron frame according to different standard requirements, and covering an external surface layer.

The production method has the advantages that the iron frame modules can be stored in a structural form of the iron frame modules, and the iron frame modules 1 in different combinations are taken according to orders to be assembled into corresponding products. At this time, the number of assembly stations for each product is reduced to 4-6, which has great advantages in reducing labor cost and improving flexibility of shipment. In addition, the types and the quantity of the iron frame modules in stock can be selected according to the requirements of different regions, and the stock quantity can be increased or decreased in advance so as to deal with the condition of overlarge short-time demand.

For the cross-regional product sale condition, such as foreign sales, the structural form of the iron frame module is adopted for transportation and storage, the volume of the transported product is reduced, and too many workers and professional equipment do not need to be equipped locally. On the premise of lower inventory cost and assembly, the inventory can be increased or decreased according to local preference or sales trend prediction conditions so as to meet possible requirements.

As shown in fig. 10, an embodiment of the invention provides a modular sofa iron stand production line, which includes a part partition 2, an iron stand module partition 3, a storage partition 4 and at least one carrying module 5, wherein the part partition 2 and the iron stand module partition 3 store parts to be processed, a plurality of bushing press-fitting devices are arranged in the part partition 2, and are used for automatically press-fitting flanging bushings to the parts, the iron stand module partition 3 includes a plurality of tool fixtures and punch-riveting devices or bolt press-fitting devices matched with the tool fixtures, the storage partition 4 stores iron stand modules, the carrying module 5 conveys the parts and the iron stand modules among the part partition 2, the iron stand module partition 3 and the storage partition 4, and the carrying module 4 discharges goods.

The entrances and exits of the part partition 2, the hob module partition 3 and the warehousing partition 4 may be provided with reading devices which identify the marking information of the parts or the erected modules. The server can be arranged to carry out overall planning on the production and transportation information of the parts and the iron stand modules, analyze and display the consumption conditions of the parts and the iron stand modules, and inform supplementary production or pre-storage.

The part partition 2 is divided into a plurality of areas for storing different parts, and the hob module partition 3 comprises a plurality of areas for storing different hob modules for production. Taking the sofa iron stand shown in fig. 1 as an example, the side plate module in fig. 2 includes a part P1 stored in the part partition 2, the part P1 can be produced by punching and pressed with a bushing, and the carrying module 5 transports the part to the side plate module area 31 in the iron stand module partition 3 for storage or directly to the storage partition 4 for storage; the backrest module 13 in fig. 3 includes a part P2 connected to the support module 14 and a part P3 connected to the side panel module 12, the parts P2 and P3 are stored in the respective regions of the part section 2, the parts P2 and P3 can be produced by punching in the corresponding regions and press-fitted with bushings, the carrying module 5 conveys them to the region 32 of the backrest module 13 and assembles the backrest module 13, and the carrying module 5 carries the assembled backrest module 13 to the storage section 4 for storage; other iron frame modules are produced and conveyed by the same method and are stored in the storage subarea 4; after the server receives the product instruction, the carrying module 5 calls out the needed iron stand module to be assembled or transports the needed iron stand module to a destination to be assembled.

The above description is only for explaining the present invention and making the present invention complete, but not limiting the present invention, and the skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, and these are all modifications without inventive contribution, but are protected by patent laws within the scope of the claims of the present invention.