CN108937305B

CN108937305B - Convenient assembled sofa and manufacturing process thereof

Info

Publication number: CN108937305B
Application number: CN201811085519.9A
Authority: CN
Inventors: 顾伟杰
Original assignee: Zhejiang Seemorething Household Co ltd
Current assignee: Zhejiang Seemorething Household Co ltd
Priority date: 2018-09-18
Filing date: 2018-09-18
Publication date: 2020-12-01
Anticipated expiration: 2038-09-18
Also published as: CN108937305A

Abstract

The invention provides a convenient assembled sofa and a manufacturing process thereof. The sofa solves the technical problems that the existing sofa adopts an integrated structure, the whole space occupation is large, the sofa is very inconvenient to load, unload and transport, and a corresponding manufacturing method is not available. This convenient equipment sofa, including skeleton and the filling layer of cladding in the skeleton outside, the skeleton includes left handrail frame, right handrail frame, the front beam, back frame and seat frame, the front beam sets up between left handrail frame and right handrail frame, and the front beam is close to the front portion of skeleton, and link to each other with left handrail frame and right handrail frame through detachable construction one, the back frame sets up between left handrail frame and right handrail frame, and the back frame is close to the rear portion of skeleton, and link to each other with left handrail frame and right handrail frame through detachable construction two, the seat frame sets up between front beam and back frame between the two, and link to each other with front beam and back frame through bearing structure. The invention has the advantages of easy disassembly and assembly and transportation.

Description

Convenient assembled sofa and manufacturing process thereof

Technical Field

The invention belongs to the technical field of sofas, and relates to a convenient and fast assembled sofa and a manufacturing process thereof.

Background

The sofa is a household article and comprises a backrest, a main body, armrests and the like. The sofa is a foreign word and is transliterated according to the English word sofa. It can be divided into functional sofa, fixed back sofa, stepless self-control sofa, manual sofa, electric sofa and sofa with TV.

Through retrieval, for example, chinese patent document discloses a sofa [ application number: 201710090556.8, respectively; publication No.: CN 106667120a ]. The sofa is characterized in that: including the frame to and be located the cushion on the frame, the cushion includes outer cloth cover and is located a plurality of washing covers in the outer cloth cover, be provided with the cavernosum in the washing cover to the shape of washing cover cooperatees with the shape of outer cloth cover, and a plurality of washing covers are stack form and are located outer cloth cover, be provided with the fixed establishment who is used for fixed washing cover position in the outer cloth cover.

Although the sofa disclosed in the patent is small in cleaning difficulty, the sofa adopts an integrated structure, the whole space occupation is large, the sofa is very inconvenient to assemble, disassemble and transport, and a corresponding manufacturing method is not available, so that the sofa convenient to assemble and the manufacturing process thereof are very necessary.

Disclosure of Invention

The first purpose of the present invention is to solve the above problems of the prior art and to provide a sofa that is easy to assemble and transport, and easy to disassemble and assemble.

The first object of the present invention can be achieved by the following technical solutions: the utility model provides a convenient equipment sofa, includes skeleton and the filling layer of cladding in the skeleton outside, a serial communication port, the skeleton includes left handrail frame, right handrail frame, front beam, back frame and seat frame, and the front beam setting is between left handrail frame and right handrail frame, and the front beam is close to the front portion of skeleton, and link to each other with left handrail frame and right handrail frame through detachable construction one, the back frame sets up between left handrail frame and right handrail frame, and the back frame is close to the rear portion of skeleton, and link to each other with left handrail frame and right handrail frame through detachable construction two, the seat frame sets up between front beam and back frame, and link to each other with front beam and back frame through bearing structure.

Structure more than adopting, the front beam passes through detachable construction one and links to each other with left handrail frame and right handrail frame, and the back frame passes through detachable construction two and links to each other with left handrail frame and right handrail frame, and the seat frame passes through bearing structure and links to each other with front beam and back frame to be movable structure between left handrail frame, right handrail frame, front beam, back frame and the seat frame, at the in-process of transportation, can unpack it apart the transportation, and at the in-process that uses, can carry out rapid Assembly with it together, very easy dismouting and transportation.

The detachable structure I comprises two first positioning pipes and two first supporting legs, the first positioning pipes are respectively fixed on a left armrest frame and a right armrest frame, a first clamping groove for clamping the end portion of the front cross beam is formed in the first positioning pipes, a first positioning hole is further formed in the first positioning pipes, threaded holes are further formed in the two ends of the front cross beam, the upper ends of the first supporting legs penetrate through the first positioning holes and are connected with the first threaded holes in the lump, and the lower ends of the first supporting legs are front supporting portions.

By adopting the structure, the end part of the front cross beam is clamped into the first clamping groove of the first positioning pipe, the upper end of the first supporting leg penetrates through the first positioning hole and is connected with the first threaded hole, the front cross beam can be connected with the left armrest frame and the right armrest frame together, and the front cross beam is convenient to assemble and disassemble.

The detachable structure II comprises two positioning tubes II, two supporting feet II, two connecting pieces I, two connecting pieces II and two locking bolts, the backrest frame comprises a rear cross beam, the two positioning tubes are respectively fixed on the left armrest frame and the right armrest frame, a clamping groove II for clamping the end part of the rear cross beam is formed in each positioning tube II, a positioning hole II is further formed in each positioning tube II, threaded holes II are further formed in two ends of the rear cross beam, the upper ends of the supporting feet II penetrate through the positioning holes II and are connected with the threaded holes II, and the lower ends of the supporting feet II are rear supporting parts; the connecting pieces are respectively fixed on two sides of the backrest frame, the connecting pieces are provided with positioning holes III, the connecting pieces are respectively fixed on the left armrest frame and the right armrest frame, the connecting pieces are provided with threaded holes III, and the locking bolts penetrate through the positioning holes III and are connected with the threaded holes III.

By adopting the structure, the end part of the rear cross beam is clamped into the second clamping groove of the second positioning tube, the upper end of the second supporting leg penetrates through the second positioning hole and is connected with the second threaded hole, and meanwhile, the locking bolt penetrates through the third positioning hole and is connected with the third threaded hole, so that the backrest frame, the left armrest frame and the right armrest frame can be connected together, and the backrest frame is convenient to disassemble and assemble.

The supporting structure comprises a plurality of first supporting blocks and a plurality of second supporting blocks, the first supporting blocks are fixed in the middle of the front cross beam, the lateral portions of the two first supporting blocks on the outermost side are abutted against the left armrest frame and the right armrest frame respectively, the second supporting blocks are fixed on the backrest frame, the lateral portions of the two second supporting blocks on the outermost side are abutted against the left armrest frame and the right armrest frame respectively, the front portion of the seat frame is abutted against the first supporting blocks, and the rear portion of the seat frame is abutted against the second supporting blocks.

By adopting the structure, the seat frame is placed into the framework, the front part of the seat frame is abutted against the first supporting block, and the rear part of the seat frame is abutted against the second supporting block, so that the assembly of the seat frame can be completed.

The first supporting block and the second supporting block are both L-shaped.

The convenient assembled sofa is a single-seat sofa, a double-seat sofa or a three-seat sofa.

By adopting the structure, the convenient and fast assembled sofa can be used for single, double and three persons.

The second purpose of the present invention is to solve the above problems in the prior art, and to provide a manufacturing process for conveniently assembling a sofa, which has the characteristic of simple manufacturing.

The second object of the present invention can be achieved by the following technical solutions: the manufacturing process of the convenient assembled sofa is characterized by comprising the following steps: a. outsourcing: purchasing existing accessories in the market, wherein the accessories comprise a locking bolt, a first supporting leg and a second supporting leg; b. framework forming: comprises a left armrest frame, a right armrest frame, a front beam, a backrest frame and a seat frame; cutting and blanking the pipe material through a pipe cutting machine, punching and blanking the plate material through a punching machine, welding the pipe material and the plate material together in a welding mode, and deburring the pipe material and the plate material to obtain a semi-finished left armrest frame, a right armrest frame, a front cross beam, a backrest frame and a seat frame; c. framework spraying: c, spraying protective paint on the left armrest frame, the right armrest frame, the front cross beam, the backrest frame and the seat frame obtained in the step b through a spraying device, wherein the spraying thickness is 0.12-0.18 mm; d. and (3) filling layer composition: c, filling materials are respectively filled into the left armrest frame, the right armrest frame, the front cross beam, the back rest frame and the seat frame obtained in the step c, and then fabrics are respectively covered on the left armrest frame, the right armrest frame, the front cross beam, the back rest frame and the seat frame; e. manufacturing a seat cushion and a back cushion; f. packaging and warehousing: and packaging all the components of the sofa, and warehousing after inspection.

And the pipe cutting machine in the step b is a laser pipe cutting machine.

The welding in the step b uses a carbon dioxide welding machine.

The protective coating in the step c comprises the following components in parts by weight: 20-30 parts of epoxy resin, 10-16 parts of organic silicon resin, 5-12 parts of inositol hexaphosphate, 1-3 parts of fatty acid quaternary ammonium salt, 6-9 parts of nano diatomite, 2-7 parts of barium metasilicate, 3-8 parts of nano graphene, 3-5 parts of a defoaming agent and 4-8 parts of tung oil.

The spraying device comprises a base, an annular rail is fixed on the base, a plurality of moving seats are arranged on the annular rail, the moving seats are connected with a driving structure capable of moving back and forth, a placing frame is fixed on the moving seats, a placing groove used for placing a left armrest frame, a right armrest frame, a front cross beam, a backrest frame and a seat frame is formed in the placing frame, an auxiliary groove is further formed in the moving seats, the cross section of the auxiliary groove is circular, a liquid discharge pipe is further connected to the moving seats and communicated with the auxiliary groove, an electromagnetic valve is arranged on the liquid discharge pipe, and a feeding mechanism, a spraying mechanism, a drying mechanism and a discharging mechanism are sequentially arranged on the base.

The principle of the spraying device is as follows: the left armrest frame, the right armrest frame, the front cross beam, the back rest frame and the seat frame are placed in corresponding positions of the placing groove through the feeding mechanism, the moving seat can move back and forth through the driving structure, the moving seat drives the placing frame to move back and forth, protective paint is sprayed on the left armrest frame, the right armrest frame, the front cross beam, the back rest frame and the seat frame through the spraying mechanism, the left armrest frame, the right armrest frame, the front cross beam, the back rest frame and the seat frame are dried through the drying mechanism, the left armrest frame, the right armrest frame, the front cross beam, the back rest frame and the seat frame are taken down through the discharging mechanism, and therefore spraying operation of the framework is completed, and spraying is convenient.

The driving structure comprises a gear ring, a driving motor and a driving wheel, the gear ring is fixed on the annular rail, the driving motor is fixed on the movable seat, an output shaft of the driving motor faces downwards vertically, the driving wheel is fixed at the end of the output shaft of the driving motor, and the driving wheel is meshed with the gear ring.

When the movable seat needs to move back and forth, the driving motor is controlled to drive the driving wheel to rotate, the driving wheel is gradually meshed with the gear ring, the movable seat moves back and forth along the annular rail, and the movable seat can move back and forth.

The feeding mechanism comprises a first bottom plate and a first mechanical arm, the first bottom plate is fixed on the base and is close to the annular rail, one end of the first mechanical arm is connected with the first bottom plate, and the other end of the first mechanical arm is provided with a first clamping jaw for clamping materials.

By adopting the structure, the left armrest frame, the right armrest frame, the front cross beam, the backrest frame and the seat frame are respectively clamped by the first clamping jaw, and the first clamping jaw is driven by the mechanical hand to move, so that the first clamping jaw can be placed in the seat frame.

The spraying mechanism comprises a second bottom plate, a first support, a lifting plate, a blocking cover, a conveying pipe, a conveying pump, a storage box and a first liquid collecting box, wherein the second bottom plate is fixed on a base and is close to an annular rail, the first support is fixed on the second bottom plate, the lifting plate is arranged on the first support, the lifting plate is connected with a first moving structure capable of driving the lifting plate to move up and down, a main shaft is vertically arranged on the lifting plate, the upper end of the main shaft is connected with a power structure capable of driving the main shaft to rotate, the lower end of the main shaft is connected with the blocking cover, the blocking cover can abut against a moving seat, a mounting ring is fixed in the blocking cover, a plurality of spraying pipes are fixed on the mounting ring, the spraying pipes are vertically arranged, the side parts of the spraying pipes are provided with a plurality of spraying holes, the spraying holes are inclined upwards, the lower ends of the spraying pipes are closed ends, the upper ends of the spraying pipes, the material storage box is fixed on the second bottom plate, the conveying pump is arranged on the conveying pipe, the first liquid collecting box is fixed on the second bottom plate, and the first liquid collecting box can be positioned right below the liquid discharge pipe; and a material supplementing structure capable of supplementing material liquid into the material storage box is further arranged on the second bottom plate.

By adopting the structure, the movable seat is positioned under the barrier cover, the lifting plate is driven to move up and down by the movable structure, the barrier cover is driven by the lifting plate to move up and down, the barrier cover is contacted with the bottom of the auxiliary tank, so that the barrier cover and the movable seat have better sealing performance, the conveying pump is started, the protective coating in the storage tank is conveyed into the spraying pipe through the conveying pipe and is output from the spraying hole, meanwhile, the power structure is controlled to drive the main shaft to rotate, the main shaft drives the barrier cover to rotate, the barrier cover drives the mounting ring to rotate, the mounting ring drives the spraying pipe to rotate, and the protective coating is sprayed on the left handrail frame, the right handrail frame, the front cross beam, the backrest frame and the seat frame; feed liquid is supplemented into the material storage box through the material supplementing structure.

The lower part of the separation cover is connected with a plurality of rollers, and the rollers can be in contact with the bottom of the auxiliary groove.

By adopting the structure, rolling friction can be formed between the separation cover and the movable seat through the roller.

The first moving structure comprises a first guide rod, a first guide sleeve and a first push rod motor, the first guide rod is vertically fixed on a first support, the first guide sleeve is arranged on the first guide rod, the first push rod motor is fixed on the first support, a push rod of the first push rod motor faces downwards vertically, the end portion of the push rod of the first push rod motor is connected with the first guide sleeve, and the lifting plate is connected with the first guide sleeve through a first connecting rod.

By adopting the structure, the push rod motor is controlled to drive the guide sleeve I to move up and down, the guide sleeve I drives the connecting rod I to move up and down, and the connecting rod I drives the lifting plate to move up and down so as to enable the lifting plate to move up and down.

The power structure comprises a stepping motor, a driving gear and a driven gear, the stepping motor is fixed on the lifting plate, an output shaft of the stepping motor vertically faces upwards, a driving gear is fixed at the end part of the output shaft of the stepping motor, a driven gear is fixed at the upper end of the main shaft, and the driving gear is meshed with the driven gear.

By adopting the structure, the stepping motor is controlled to drive the driving gear to rotate, the driving gear drives the driven gear to rotate, and the driven gear drives the main shaft to rotate, so that the main shaft can rotate.

The feeding structure comprises a batching box, a feeding pipe, a feeding pump, a movable frame, a first guide pillar, a second guide pillar, a first guide block, a second guide block, a linkage rod, a rotating motor and a rotating seat, wherein the batching box is fixed on the second bottom plate, the upper part of the batching box is provided with a feeding hole, the feeding hole is provided with a first electromagnetic valve, the lower part of the batching box is provided with a discharging hole, the discharging hole is provided with a second electromagnetic valve, the discharging hole is communicated with one end of the feeding pipe, the other end of the feeding pipe is communicated with the side part of a storage box, the movable frame is connected with the upper part of the inner side of the batching box through a connecting spring, the rotating motor is fixed on the movable frame through a first mounting rod, an output shaft of the rotating motor is vertically downward, the end part of an output shaft of the rotating motor is connected with the rotating seat, the first guide pillar is horizontally fixed on the movable frame, a second guide block is arranged on the second guide pillar, a linkage rod is arranged on a rotating seat in a sliding mode, one end of the linkage rod is connected with a connecting piece, the connecting piece is rotatably connected with the upper surface of the second guide block, a supporting spring is further sleeved on the linkage rod, one end of the supporting spring abuts against the connecting block, the other end of the supporting spring abuts against the rotating seat, a mounting plate is further fixed to the lower surface of the second guide block, a servo motor is fixed on the mounting plate, an output shaft of the servo motor faces downwards vertically, and the end portion of an output shaft of the servo motor is connected with a spiral stirring sheet; and a vibration motor is also fixed on the movable frame.

By adopting the structure, various raw materials are put into the batching box from the feeding hole, the rotating motor is controlled to drive the rotating seat to rotate, the rotating seat drives the linkage rod to rotate, the linkage rod enables the guide block II to move back and forth along the guide post II through the connecting piece, and enables the guide block I to move back and forth along the guide post I, under the common coordination of the linkage rod, the guide post I, the guide post II, the guide block I and the guide block II, the guide block II forms a square walking track, meanwhile, the servo motor is controlled to drive the stirring sheet to rotate, the stirring sheet can stir the raw materials at all positions of the batching box, so that various raw materials in the batching box can be uniformly stirred, the material supplementing pump is started, the protective coating in the batching box is conveyed into the material storage box through the material supplementing pipe, and the material; meanwhile, the vibration motor is controlled to enable the movable frame to shake up and down, so that the stirring piece can vibrate up and down when working.

The drying mechanism comprises a third bottom plate, a second support, a drying cover and a second liquid collecting box, the third bottom plate is fixed on the base and is close to the annular rail, the second support is fixed on the third bottom plate, the drying cover is arranged on the second support and can abut against the movable seat, the drying cover is connected with a second moving structure which can drive the drying cover to move up and down, an electric heating pipe is arranged in the drying cover, a second mounting rod is horizontally fixed in the drying cover, a flow guide assembly is arranged on the second mounting rod, the second liquid collecting box is fixed on the third bottom plate, and the second liquid collecting box can be located under the liquid discharge pipe.

By adopting the structure, the movable seat is positioned under the drying cover, the drying cover is driven to move up and down through the movable structure II, the drying cover is contacted with the bottom of the auxiliary tank, better sealing performance can be realized between the drying cover and the movable seat, the temperature in the drying cover is increased through the electric heating pipe, and the left handrail frame, the right handrail frame, the front cross beam, the backrest frame and the seat frame are dried.

The diversion assembly comprises a plurality of rotating shafts, the rotating shaft level is arranged on the second installation rod, one end of each rotating shaft is connected with the middle of the diversion pipe, an air pump is arranged on the diversion pipe, the other end of each rotating shaft is connected with a driven wheel, a power motor is further fixed on the second installation rod, the output shaft level of the power motor is arranged, the end part of the output shaft of the power motor is connected with the driving wheel, and a transmission belt is further sleeved between the driving wheel and the driven wheel.

By adopting the structure, the air pump is opened, meanwhile, the power motor is controlled to drive the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, the driven wheel drives the rotating shaft to rotate, the rotating shaft drives the flow guide pipe to rotate, and therefore the flow guide pipe can quickly enable the drying cover to be uniformly heated.

The second moving structure comprises a second guide rod, a second guide sleeve and a second push rod motor, the second guide rod is vertically fixed on the second support, the second guide sleeve is arranged on the second guide rod, the second push rod motor is fixed on the second support, a push rod of the second push rod motor faces downwards vertically, the end portion of the push rod of the second push rod motor is connected with the second guide sleeve, and the drying cover is connected with the second guide sleeve through a second connecting rod.

By adopting the structure, the second push rod motor is controlled to drive the second guide sleeve to move up and down, the second guide sleeve drives the second connecting rod to move up and down, and the second connecting rod drives the drying cover to move up and down, so that the drying cover can move up and down.

The blanking mechanism comprises a bottom plate four and a mechanical arm two, the bottom plate four is fixed on the base and close to the annular rail, one end of the mechanical arm two is connected with the bottom plate four, and the other end of the mechanical arm two is provided with a clamping jaw two used for clamping materials.

By adopting the structure, the left armrest frame, the right armrest frame, the front cross beam, the backrest frame and the seat frame are respectively clamped by the second clamping jaw, and the second clamping jaw is driven by the second manipulator to move, so that the second clamping jaw can be taken down.

Compared with the prior art, the convenient assembled sofa and the manufacturing process thereof have the advantages that:

1. the front cross beam is connected with the left handrail frame and the right handrail frame through the first detachable structure, the back rest frame is connected with the left handrail frame and the right handrail frame through the second detachable structure, and the seat frame is connected with the front cross beam and the back rest frame through the supporting structure, so that the left handrail frame, the right handrail frame, the front cross beam, the back rest frame and the seat frame are of a movable structure, and can be disassembled for transportation in the transportation process, and can be quickly assembled together in the use process, and the disassembly, the assembly and the transportation are easy.

2. The sofa can be quickly manufactured through the operations of outsourcing, framework forming, framework spraying, filling layer assembling, seat cushion and back cushion manufacturing, packaging and warehousing and the like, and the manufacture is simple and convenient.

Drawings

Fig. 1 is an exploded view of a sofa.

Fig. 2 is a perspective view of the backrest frame in the sofa.

Fig. 3 is a schematic perspective view of the front cross member of the sofa.

Fig. 4 is a perspective view of the sofa with the parts removed.

Fig. 5 is a schematic perspective view of the sofa.

Fig. 6 is a schematic plan view of the spray coating device.

Fig. 7 is a schematic plan view of a driving structure in the spray coating device.

Fig. 8 is a schematic perspective view of the spray device with parts removed.

Fig. 9 is a schematic plan view of a feeding mechanism in the spray coating device.

Fig. 10 is a schematic plan view of a spray mechanism in the spray device.

FIG. 11 is a schematic perspective view of a feeding structure in the spray coating device.

Fig. 12 is a partial enlarged view at a in fig. 10.

Fig. 13 is a schematic plan view of the drying mechanism in the painting apparatus.

Fig. 14 is a schematic plan view of a flow guide assembly in the spray coating device.

Fig. 15 is a schematic plan view of a blanking mechanism in the spray coating device.

In the figure, 1, a left handrail frame; 2. a second supporting leg; 3. a backrest frame; 3a, a rear cross beam; 3a1 and a second threaded hole; 4. a right armrest frame; 5. a locking bolt; 6. supporting a first leg; 7. a front cross member; 7a, a first threaded hole; 8. a seat frame; 9. connecting a first sheet; 9a, positioning holes III; 10. a second supporting block; 11. a first supporting block; 12. a second connecting sheet; 12a and a threaded hole III; 13. a second positioning pipe; 13a and a second clamping groove; 13b, a second positioning hole; 14. a first positioning pipe; 14a, a first clamping groove; 14b, positioning the first hole; 20. a base; 21. a first bottom plate; 22. a movable seat; 22a, an auxiliary groove; 23. a ring gear; 24. an annular rail; 25. a second bottom plate; 26. a bottom plate III; 27. a bottom plate IV; 28. a drive motor; 29. a drive wheel; 30. placing a rack; 31. a first mechanical arm; 32. a first clamping jaw; 33. an electromagnetic valve; 34. a liquid discharge pipe; 35. a first liquid collecting box; 36. a material storage box; 37. a delivery pump; 38. a delivery pipe; 39. a first bracket; 40. a first guide rod; 41. a first guide sleeve; 42. a push rod motor I; 43. a first connecting rod; 44. a batching box; 44a, a feed inlet; 44b, a discharge hole; 45. a first guide post; 46. a first guide block; 47. a servo motor; 48. mounting a plate; 49. a stirring sheet; 50. a vibration motor; 51. a second electromagnetic valve; 52. a feed pump; 53. a material supplementing pipe; 54. a second guide post; 55. mounting a first rod; 56. a limiting block; 57. rotating the motor; 58. a movable frame; 59. a connecting spring; 60. a first electromagnetic valve; 61. a rotating seat; 62. a support spring; 63. a linkage rod; 64. a connecting member; 65. a second guide block; 66. a main shaft; 67. a driven gear; 68. a driving gear; 69. a stepping motor; 70. a lifting plate; 71. a connecting pipe; 72. a barrier cover; 73. a mounting ring; 74. a spray pipe; 75. a roller; 76. a second bracket; 77. a second guide rod; 78. a second guide sleeve; 79. a push rod motor II; 80. a second connecting rod; 81. mounting a second rod; 82. an electric heating tube; 83. a drying cover; 84. a second liquid collecting box; 85. a flow guide pipe; 86. an air pump; 87. a power motor; 88. a driving wheel; 89. a transmission belt; 90. a driven wheel; 91. a rotating shaft; 92. a second manipulator; 93. and a second clamping jaw.

Detailed Description

As shown in fig. 1-5, the convenient assembled sofa comprises a framework and a filling layer coated outside the framework, wherein the filling layer adopts the prior art, and simultaneously, the sofa also comprises a seat cushion and a back cushion; the framework comprises a left armrest frame 1, a right armrest frame 4, a front cross beam 7, a backrest frame 3 and a seat frame 8, wherein the front cross beam 7 is arranged between the left armrest frame 1 and the right armrest frame 4, the front cross beam 7 is close to the front part of the framework and is connected with the left armrest frame 1 and the right armrest frame 4 through a detachable structure I, the backrest frame 3 is arranged between the left armrest frame 1 and the right armrest frame 4, the backrest frame 3 is close to the rear part of the framework and is connected with the left armrest frame 1 and the right armrest frame 4 through a detachable structure II, and the seat frame 8 is arranged between the front cross beam 7 and the backrest frame 3 and is connected with the front cross beam 7 and the backrest frame 3 through a supporting structure; the framework is an iron frame, and a wood frame can be used instead according to actual conditions.

The detachable structure I comprises two positioning tubes I14 and two supporting legs I6, the positioning tubes I14 are respectively fixed on the left handrail frame 1 and the right handrail frame 4, and the positioning tubes I14 are respectively fixed on the left handrail frame 1 and the right handrail frame 4 in a welding mode; the first positioning pipe 14 is provided with a first clamping groove 14a for clamping the end portion of the front cross beam 7, the first positioning pipe 14 is further provided with a first positioning hole 14b, two ends of the front cross beam 7 are further provided with first threaded holes 7a, the upper end of the first supporting leg 6 penetrates through the first positioning hole 14b and is connected with the first threaded hole 7a, and the lower end of the first supporting leg 6 is a front supporting portion.

The detachable structure II comprises two positioning tubes II 13, two supporting legs II 2, two connecting pieces I9, two connecting pieces II 12 and two locking bolts 5, the backrest frame 3 comprises a rear cross beam 3a, the positioning tubes II 13 are respectively fixed on the left armrest frame 1 and the right armrest frame 4, and the positioning tubes II 13 are respectively fixed on the left armrest frame 1 and the right armrest frame 4 in a welding mode; the second positioning tube 13 is provided with a second clamping groove 13a for clamping the end part of the rear cross beam 3a, the second positioning tube 13 is also provided with a second positioning hole 13b, two ends of the rear cross beam 3a are also provided with second threaded holes 3a1, the upper end of the second supporting leg 2 penetrates through the second positioning hole 13b and is connected with the second threaded hole 3a1, and the lower end of the second supporting leg 2 is a rear supporting part; the connecting pieces I9 are respectively fixed on two sides of the backrest frame 3, and the connecting pieces I9 are respectively fixed on two sides of the backrest frame 3 in a welding mode; the connecting piece I9 is provided with a positioning hole III 9a, the connecting piece II 12 is respectively fixed on the left handrail frame 1 and the right handrail frame 4, and the connecting piece II 12 is respectively fixed on the left handrail frame 1 and the right handrail frame 4 in a welding mode; the second connecting piece 12 is provided with a threaded hole III 12a, and the locking bolt 5 penetrates through the positioning hole III 9a and is connected with the threaded hole III 12 a.

The supporting structure comprises a plurality of first supporting blocks 11 and a plurality of second supporting blocks 10, the number of the first supporting blocks 11 is two, and the number of the second supporting blocks 10 is two; the first support block 11 is fixed in the middle of the front cross beam 7, and the first support block 11 is fixed in the middle of the front cross beam 7 in a welding mode; the side parts of the two first supporting blocks 11 on the outermost side are respectively abutted against the left handrail frame 1 and the right handrail frame 4, the second supporting blocks 10 are fixed on the backrest frame 3, and the second supporting blocks 10 are fixed on the backrest frame 3 in a welding mode; the side parts of the two supporting blocks II 10 at the outermost side are respectively abutted against the left handrail frame 1 and the right handrail frame 4, the front part of the seat frame 8 is abutted against the supporting blocks I11, and the rear part of the seat frame 8 is abutted against the supporting blocks II 10; the lower surface of the front part of the seat frame 8 abuts against the upper surface of the first supporting block 11, and the lower surface of the rear part of the seat frame 8 abuts against the upper surface of the second supporting block 10; the first supporting block 11 and the second supporting block 10 are both L-shaped.

The convenient assembled sofa is a single-seat sofa, a double-seat sofa or a three-seat sofa; the convenient assembled sofa is a single-seat sofa; the convenient assembled sofa can be used for single, double and three persons.

The end part of the front cross beam 7 is clamped into a first clamping groove 14a of a first positioning pipe 14, and the end part of the rear cross beam 3a is clamped into a second clamping groove 13a of a second positioning pipe 13; the upper end of the supporting foot I6 penetrates through the positioning hole I14 b and is connected with the threaded hole I7 a, the front cross beam 7 is connected with the left armrest frame 1 and the right armrest frame 4, meanwhile, the upper end of the supporting foot II 2 penetrates through the positioning hole II 13b and is connected with the threaded hole II 3a1, meanwhile, the locking bolt 5 penetrates through the positioning hole III 9a and is connected with the threaded hole III 12a, and the backrest frame 3 is connected with the left armrest frame 1 and the right armrest frame 4; the seat frame 8 is placed into the framework, so that the front part of the seat frame 8 abuts against the first supporting block 11, and the rear part of the seat frame 8 abuts against the second supporting block 10; thereby completing the assembly operation of the whole sofa.

The manufacturing process of the convenient assembled sofa comprises the following steps: a. outsourcing: purchasing existing accessories in the market, wherein the accessories comprise a locking bolt, a first supporting leg and a second supporting leg; b. framework forming: comprises a left armrest frame, a right armrest frame, a front beam, a backrest frame and a seat frame; cutting and blanking the pipe material through a pipe cutting machine, punching and blanking the plate material through a punching machine, welding the pipe material and the plate material together in a welding mode, and deburring the pipe material and the plate material to obtain a semi-finished left armrest frame, a right armrest frame, a front cross beam, a backrest frame and a seat frame; the prior art is adopted for cutting blanking, stamping blanking, welding and deburring; c. framework spraying: c, spraying protective paint on the left armrest frame, the right armrest frame, the front cross beam, the backrest frame and the seat frame obtained in the step b through a spraying device, wherein the spraying thickness is 0.12-0.18 mm; the spraying thickness is 0.15 mm; d. and (3) filling layer composition: c, filling materials are respectively filled into the left armrest frame, the right armrest frame, the front cross beam, the back rest frame and the seat frame obtained in the step c, and then fabrics are respectively covered on the left armrest frame, the right armrest frame, the front cross beam, the back rest frame and the seat frame; the filling material adopts the existing material which can be bought in the market; e. manufacturing a seat cushion and a back cushion; the seat cushion and the back cushion are also manufactured by the prior art; f. packaging and warehousing: packaging all the components of the sofa, and warehousing after inspection; the large components can be packaged separately, and during transportation, the large components can be transported in a single package, which is also the design point of the sofa.

The pipe cutting machine in the step b is a laser pipe cutting machine.

The welding in step b uses a carbon dioxide welder.

The protective coating in the step c comprises the following components in parts by weight: 20-30 parts of epoxy resin, 10-16 parts of organic silicon resin, 5-12 parts of inositol hexaphosphate, 1-3 parts of fatty acid quaternary ammonium salt, 6-9 parts of nano diatomite, 2-7 parts of barium metasilicate, 3-8 parts of nano graphene, 3-5 parts of a defoaming agent and 4-8 parts of tung oil; the protective coating in the step c comprises the following components in parts by weight: 24 parts of epoxy resin, 12 parts of organic silicon resin, 7 parts of inositol hexaphosphate, 1 part of fatty acid quaternary ammonium salt, 8 parts of nano kieselguhr, 5 parts of barium metasilicate, 4 parts of nano graphene, 3 parts of a defoaming agent and 7 parts of tung oil; the fatty acid quaternary ammonium salt and the defoaming agent are all the existing products which can be bought in the market.

As shown in fig. 6-15, the spraying device includes a base 20, an annular rail 24 is fixed on the base 20, and the annular rail 24 is fixed on the base 20 by means of bolts; a plurality of moving seats 22 are arranged on the annular rail 24, and the number of the moving seats 22 is four; the movable seat 22 is connected with a driving structure which can make the movable seat move back and forth, a placing frame 30 is fixed on the movable seat 22, and the placing frame 30 is fixed on the movable seat 22 in a bolt connection mode; the placing rack 30 is provided with a placing groove for placing a left armrest frame, a right armrest frame, a front cross beam, a backrest frame and a seat frame, the moving seat 22 is further provided with an auxiliary groove 22a, the cross section of the auxiliary groove 22a is circular, the moving seat 22 is further connected with a liquid discharge pipe 34, the liquid discharge pipe 34 is communicated with the auxiliary groove 22a, the liquid discharge pipe 34 is provided with an electromagnetic valve 33, and the base 20 is further sequentially provided with a feeding mechanism, a spraying mechanism, a drying mechanism and a discharging mechanism.

The driving structure comprises a gear ring 23, a driving motor 28 and a driving wheel 29, wherein the gear ring 23 is fixed on the annular rail 24, the gear ring 23 is fixed on the annular rail 24 in a bolt connection mode, and the gear ring 23 adopts the existing products which can be bought in the market; the driving motor 28 is fixed on the movable base 22, and the driving motor 28 is fixed on the movable base 22 in a bolt connection mode; the output shaft of the drive motor 28 is directed vertically downward, the drive wheel 29 is fixed to the end of the output shaft of the drive motor 28, and the drive wheel 29 is meshed with the ring gear 23.

The feeding mechanism comprises a first bottom plate 21 and a first manipulator 31, the first bottom plate 21 is fixed on the base 20, and the first bottom plate 21 is fixed on the base 20 in a welding mode; and the first base plate 21 is close to the annular rail 24, one end of the first manipulator 31 is connected with the first base plate 21, and the other end of the first manipulator 31 is provided with a first clamping jaw 32 for clamping materials.

The spraying mechanism comprises a second bottom plate 25, a first support 39, a lifting plate 70, a blocking cover 72, a conveying pipe 38, a conveying pump 37, a storage box 36 and a first liquid collecting box 35, wherein the second bottom plate 25 is fixed on the base 20, and the second bottom plate 25 is fixed on the base 20 in a welding mode; the second base plate 25 is close to the annular rail 24, the first support 39 is fixed on the second base plate 25, the lifting plate 70 is arranged on the first support 39, the lifting plate 70 is connected with a first moving structure capable of driving the lifting plate to move up and down, a main shaft 66 is vertically arranged on the lifting plate 70, the upper end of the main shaft 66 is connected with a power structure capable of driving the main shaft to rotate, the lower end of the main shaft 66 is connected with a blocking cover 72, the blocking cover 72 can abut against the moving base 22, a mounting ring 73 is fixed in the blocking cover 72, a plurality of spraying pipes 74 are fixed on the mounting ring 73, and the number of the spraying pipes 74 is eight; the spraying pipes 74 are vertically arranged, a plurality of spraying holes are formed in the side portions of the spraying pipes 74, and ten spraying holes are formed in the side portion of each spraying pipe 74; the spraying holes are inclined upwards, the lower end of the spraying pipe 74 is a closed end, the upper end of the spraying pipe 74 is communicated with one end of the conveying pipe 38 through the connecting pipe 71, the other end of the conveying pipe 38 is communicated with the material storage box 36, the material storage box 36 is fixed on the second base plate 25, the conveying pump 37 is arranged on the conveying pipe 38, the first liquid collecting box 35 is fixed on the second base plate 25, and the first liquid collecting box 35 can be located right below the liquid discharge pipe 34; and a material supplementing structure capable of supplementing material liquid into the material storage box 36 is also arranged on the second bottom plate 25.

The lower portion of the blocking cover 72 is connected with a plurality of rollers 75, and the number of the rollers 75 is twenty.

The moving structure I comprises a guide rod I40, a guide sleeve I41 and a push rod motor I42, the guide rod I40 is vertically fixed on a support I39, the guide sleeve I41 is arranged on the guide rod I40, the push rod motor I42 is fixed on the support I39, a push rod of the push rod motor I42 faces downwards vertically, the end portion of the push rod motor I42 is connected with the guide sleeve I41, and the lifting plate 70 is connected with the guide sleeve I41 through a connecting rod I43.

The power structure comprises a stepping motor 69, a driving gear 68 and a driven gear 67, wherein the stepping motor 69 is fixed on the lifting plate 70, and the stepping motor 69 is fixed on the lifting plate 70 in a bolt connection mode; the output shaft of the stepping motor 69 faces vertically upwards, the driving wheel 88 is fixed at the end part of the output shaft of the stepping motor 69, the driven wheel 90 is fixed at the upper end of the main shaft 66, and the driving wheel 88 is meshed with the driven wheel 90.

The material supplementing structure comprises a material supplementing box 44, a material supplementing pipe 53, a material supplementing pump 52, a movable frame 58, a first guide pillar 45, a second guide pillar 54, a first guide block 46, a second guide block 65, a linkage rod 63, a rotating motor 57 and a rotating seat 61, wherein the material supplementing box 44 is fixed on the second bottom plate 25, and the material supplementing box 44 is fixed on the second bottom plate 25 in a bolt connection mode; the upper part of the batching box 44 is provided with a feeding hole 44a, the feeding hole 44a is provided with a first electromagnetic valve 60, the lower part of the batching box 44 is provided with a discharging hole 44b, the discharging hole 44b is provided with a second electromagnetic valve 51, the discharging hole 44b is communicated with one end of a material supplementing pipe 53, the other end of the material supplementing pipe 53 is communicated with the side part of the material storage box 36, a movable frame 58 is connected with the upper part of the inner side of the batching box 44 through a connecting spring 59, a rotating motor 57 is fixed on the movable frame 58 through a first mounting rod 55, an output shaft of the rotating motor 57 is vertically downward, the end part of the output shaft of the rotating motor 57 is connected with a rotating seat 61, a first guide pillar 45 is horizontally fixed on the movable frame 58, a first guide pillar 46 is arranged on the first guide pillar 45, one end of a second guide pillar 54 is connected with the first guide pillar 46, the second guide pillar 54 is horizontally arranged, the other end, one end of a linkage rod 63 is connected with a connecting piece 64, the connecting piece 64 is rotatably connected with the upper surface of a second guide block 65, a supporting spring 62 is further sleeved on the linkage rod 63, one end of the supporting spring 62 abuts against the connecting piece 64, the other end of the supporting spring 62 abuts against the rotating seat 61, a mounting plate 48 is further fixed on the lower surface of the second guide block 65, a servo motor 47 is fixed on the mounting plate 48, an output shaft of the servo motor 47 faces downwards vertically, and the end part of the output shaft of the servo motor 47 is connected with a spiral stirring sheet 49; the movable frame 58 is also fixed with the vibration motor 50, and the movable frame 58 is also fixed with the vibration motor 50 in a bolt connection mode; by adopting the structure, various raw materials are put into the batching box 44 from the feeding hole 44a, the rotating motor 57 is controlled to drive the rotating seat 61 to rotate, the rotating seat 61 drives the linkage rod 63 to rotate, the linkage rod 63 enables the guide block II 65 to move back and forth along the guide column II 54 through the connecting piece 64, and enables the guide block I46 to move back and forth along the guide column I45, under the cooperation of the linkage rod 63, the guide column I45, the guide column II 54, the guide block I46 and the guide block II 65, the guide block II 65 forms a square walking track, meanwhile, the servo motor 47 is controlled to drive the stirring sheet 49 to rotate, the stirring sheet 49 can stir the raw materials at each position of the batching box 44, so that the raw materials in the batching box 44 can be uniformly stirred, the material supplementing pump 52 is started, the protective coating in the batching box 44 is conveyed into the material storage box 36 through the material supplementing pipe 53, and the material supplementing is; at the same time, the vibration motor 50 is controlled to shake the movable frame 58 up and down, so that the stirring blade 49 vibrates up and down when operating.

The drying mechanism comprises a third bottom plate 26, a second support 76, a drying cover 83 and a second liquid collecting box 84, the third bottom plate 26 is fixed on the base 20, and the third bottom plate 26 is fixed on the base 20 in a welding mode; the third bottom plate 26 is close to the annular rail 24, the second support 76 is fixed on the third bottom plate 26, the drying cover 83 is arranged on the second support 76, the drying cover 83 can abut against the moving seat 22, the drying cover 83 is connected with a second moving structure capable of driving the second moving structure to move up and down, an electric heating pipe 82 is arranged in the drying cover 83, a second mounting rod 81 is horizontally fixed in the drying cover 83, a flow guide assembly is arranged on the second mounting rod 81, the second liquid collecting box 84 is fixed on the third bottom plate 26, and the second liquid collecting box 84 can be located right below the liquid discharge pipe 34.

The flow guide assembly comprises a plurality of rotating shafts 91, and the number of the rotating shafts 91 is four; a rotating shaft 91 is horizontally arranged on the second mounting rod 81, one end of the rotating shaft 91 is connected with the middle part of the guide pipe 85, an air pump 86 is arranged on the guide pipe 85, the other end of the rotating shaft 91 is connected with the driven wheel 90, a power motor 87 is further fixed on the second mounting rod 81, an output shaft of the power motor 87 is horizontally arranged, the end part of the output shaft of the power motor 87 is connected with a driving wheel 88, and a transmission belt 89 is further sleeved between the driving wheel 88 and the driven wheel 90; by adopting the structure, the air pump 86 is started, meanwhile, the power motor 87 is controlled to drive the driving wheel 88 to rotate, the driving wheel 88 drives the driven wheel 90 to rotate through the driving belt 89, the driven wheel 90 drives the rotating shaft 91 to rotate, the rotating shaft 91 drives the guide pipe 85 to rotate, and therefore the guide pipe 85 can rapidly enable the drying cover 83 to be uniformly heated.

The second moving structure comprises a second guide rod 77, a second guide sleeve 78 and a second push rod motor 79, the second guide rod 77 is vertically fixed on the second support 76, the second guide sleeve 78 is arranged on the second guide rod 77, the second push rod motor 79 is fixed on the second support 76, a push rod of the second push rod motor 79 faces downwards vertically, the end portion of the push rod of the second push rod motor 79 is connected with the second guide sleeve 78, and the drying cover 83 is connected with the second guide sleeve 78 through a second connecting rod 80.

The blanking mechanism comprises a fourth bottom plate 27 and a second manipulator 92, the fourth bottom plate 27 is fixed on the base 20, and the fourth bottom plate 27 is fixed on the base 20 in a welding mode; and the fourth base plate 27 is close to the annular rail 24, one end of the second manipulator 92 is connected with the fourth base plate 27, and the other end of the second manipulator 92 is provided with a second clamping jaw 93 for clamping materials.

The principle of the spraying device is as follows: the first clamping jaw 32 clamps the left armrest frame, the right armrest frame, the front cross beam, the backrest frame and the seat frame respectively, the first clamping jaw 32 is driven to move through the first manipulator 31 and is placed on the corresponding position of the placing groove respectively, the driving motor 28 is controlled to drive the driving wheel 29 to rotate, the driving wheel 29 is gradually meshed with the gear ring 23, the moving seat 22 is made to move back and forth along the annular rail 24, and the moving seat 22 drives the placing frame 30 to move back and forth; the movable seat 22 is positioned right below the blocking cover 72, the push rod motor 42 is controlled to drive the guide sleeve 41 to move up and down, the guide sleeve 41 drives the connecting rod 43 to move up and down, the connecting rod 43 drives the lifting plate 70 to move up and down, the lifting plate 70 drives the blocking cover 72 to move up and down, the blocking cover 72 is contacted with the bottom of the auxiliary groove 22a, good sealing performance is achieved between the blocking cover 72 and the movable seat 22, the conveying pump 37 is started, the protective paint in the storage box 36 is conveyed into the spraying pipe 74 through the conveying pipe 38 and is output from a spraying hole, meanwhile, the stepping motor 69 is controlled to drive the driving gear 68 to rotate, the driving gear 68 drives the driven gear 67 to rotate, the driven gear 67 drives the main shaft 66 to rotate, the main shaft 66 drives the blocking cover 72 to rotate, the blocking cover 72 drives the mounting ring 73 to rotate, the mounting ring 73 drives the spraying pipe 74 to rotate, and the protective paint, The right armrest frame, the front cross beam, the backrest frame and the seat frame; the movable seat 22 is positioned right below the drying cover 83, the second push rod motor 79 is controlled to drive the second guide sleeve 78 to move up and down, the second guide sleeve 78 drives the second connecting rod 80 to move up and down, the second connecting rod 80 drives the drying cover 83 to move up and down, the drying cover 83 is in contact with the bottom of the auxiliary groove 22a, good sealing performance is achieved between the drying cover 83 and the movable seat 22, the temperature in the drying cover 83 is raised through the electric heating pipe 82, and the left armrest frame, the right armrest frame, the front cross beam, the backrest frame and the seat frame are dried; the left armrest frame, the right armrest frame, the front cross beam, the backrest frame and the seat frame are respectively clamped by the second clamping jaw 93, and the second clamping jaw 93 is driven to move by the second manipulator 92 and is respectively taken down from the placing frame 30.

Claims

1. The manufacturing process of the convenient assembled sofa is characterized by comprising the following steps: a. outsourcing: purchasing existing accessories in the market, wherein the accessories comprise a locking bolt, a first supporting leg and a second supporting leg; b. framework forming: comprises a left armrest frame, a right armrest frame, a front beam, a backrest frame and a seat frame; cutting and blanking the pipe material through a pipe cutting machine, punching and blanking the plate material through a punching machine, welding the pipe material and the plate material together in a welding mode, and deburring the pipe material and the plate material to obtain a semi-finished left armrest frame, a right armrest frame, a front cross beam, a backrest frame and a seat frame; c. framework spraying: c, spraying protective paint on the left armrest frame, the right armrest frame, the front cross beam, the backrest frame and the seat frame obtained in the step b through a spraying device, wherein the spraying thickness is 0.12-0.18 mm; d. and (3) filling layer composition: c, filling materials are respectively filled into the left armrest frame, the right armrest frame, the front cross beam, the back rest frame and the seat frame obtained in the step c, and then fabrics are respectively covered on the left armrest frame, the right armrest frame, the front cross beam, the back rest frame and the seat frame; e. manufacturing a seat cushion and a back cushion; f. packaging and warehousing: packaging all the components of the sofa, and warehousing after inspection; the spraying device comprises a base, an annular rail is fixed on the base, a plurality of moving seats are arranged on the annular rail, the moving seats are connected with a driving structure which can enable the moving seats to move back and forth, a placing frame is fixed on the moving seats, a placing groove for placing a left handrail frame, a right handrail frame, a front cross beam, a backrest frame and a seat frame is formed in the placing frame, an auxiliary groove is further formed in each moving seat, the section of each auxiliary groove is circular, a liquid discharge pipe is further connected to each moving seat and communicated with the auxiliary groove, an electromagnetic valve is arranged on each liquid discharge pipe, and a feeding mechanism, a spraying mechanism, a drying mechanism and a discharging mechanism are further sequentially arranged on the base; the spraying mechanism comprises a second bottom plate, a first support, a lifting plate, a blocking cover, a conveying pipe, a conveying pump, a storage box and a first liquid collecting box, wherein the second bottom plate is fixed on a base and is close to an annular rail, the first support is fixed on the second bottom plate, the lifting plate is arranged on the first support, the lifting plate is connected with a first moving structure capable of driving the lifting plate to move up and down, a main shaft is vertically arranged on the lifting plate, the upper end of the main shaft is connected with a power structure capable of driving the main shaft to rotate, the lower end of the main shaft is connected with the blocking cover, the blocking cover can abut against a moving seat, a mounting ring is fixed in the blocking cover, a plurality of spraying pipes are fixed on the mounting ring, the spraying pipes are vertically arranged, the side parts of the spraying pipes are provided with a plurality of spraying holes, the spraying holes are inclined upwards, the lower ends of the spraying pipes are closed ends, the upper ends of the spraying pipes, the material storage box is fixed on the second bottom plate, the conveying pump is arranged on the conveying pipe, the first liquid collecting box is fixed on the second bottom plate, and the first liquid collecting box can be positioned right below the liquid discharge pipe; the second bottom plate is also provided with a feed supplement structure capable of supplementing feed liquid into the storage box; the feeding structure comprises a batching box, a feeding pipe, a feeding pump, a movable frame, a first guide pillar, a second guide pillar, a first guide block, a second guide block, a linkage rod, a rotating motor and a rotating seat, wherein the batching box is fixed on the second bottom plate, the upper part of the batching box is provided with a feeding hole, the feeding hole is provided with a first electromagnetic valve, the lower part of the batching box is provided with a discharging hole, the discharging hole is provided with a second electromagnetic valve, the discharging hole is communicated with one end of the feeding pipe, the other end of the feeding pipe is communicated with the side part of a storage box, the movable frame is connected with the upper part of the inner side of the batching box through a connecting spring, the rotating motor is fixed on the movable frame through a first mounting rod, an output shaft of the rotating motor is vertically downward, the end part of an output shaft of the rotating motor is connected with the rotating seat, the first guide pillar is horizontally fixed on the movable frame, a second guide block is arranged on the second guide pillar, a linkage rod is arranged on a rotating seat in a sliding mode, one end of the linkage rod is connected with a connecting piece, the connecting piece is rotatably connected with the upper surface of the second guide block, a supporting spring is further sleeved on the linkage rod, one end of the supporting spring abuts against the connecting block, the other end of the supporting spring abuts against the rotating seat, a mounting plate is further fixed to the lower surface of the second guide block, a servo motor is fixed on the mounting plate, an output shaft of the servo motor faces downwards vertically, and the end portion of an output shaft of the servo motor is connected with a spiral stirring sheet; and a vibration motor is also fixed on the movable frame.

2. The process for manufacturing the sofa easy to assemble of claim 1, wherein the tube cutting machine in step b is a laser tube cutting machine.

3. The process for manufacturing the sofa easy to assemble according to claim 1, wherein the welding in step b is performed by a carbon dioxide welder.

4. The process for manufacturing the convenient assembled sofa according to claim 1, wherein the protective coating in the step c comprises the following components in parts by weight: 20-30 parts of epoxy resin, 10-16 parts of organic silicon resin, 5-12 parts of inositol hexaphosphate, 1-3 parts of fatty acid quaternary ammonium salt, 6-9 parts of nano diatomite, 2-7 parts of barium metasilicate, 3-8 parts of nano graphene, 3-5 parts of a defoaming agent and 4-8 parts of tung oil.