阅读说明：本技术 一种软体沙发及其生产工艺 (Soft sofa and production process thereof ) 是由 李晨辉 姚雪其 姚余杰 于 2021-05-26 设计创作，主要内容包括：本发明涉及一种软体沙发及其生产工艺,包括底座、靠背和两个扶手,所述底座内且位于两个扶手下方均设有第一腔室,各第一腔室中均设有快速连接装置,两个扶手均通过快速连接装置可拆卸安装在底座上,所述底座上设有可在底座上滑动的延伸架,所述底座中设有用于与延伸架配合延长底座顶面长度的延长装置,需要增加底座长度时,将延伸架朝远离靠背的方向拖动,通过延长装置填补延伸架端部与靠背之间的间隙,然后再在延伸架和延长装置顶部铺设上铺盖,便可以供客人留宿,需要对沙发进行清洗时,通关快速连接装置将两个扶手快速拆下,人们对底座、靠背和两个扶手进行清洗后,将两个扶手安装回底座上并且通过快速连接装置将两个扶手固定。(The invention relates to a soft sofa and a production process thereof, which comprises a base, a backrest and two handrails, wherein a first cavity is arranged in the base and below the two handrails, a quick connecting device is arranged in each first cavity, the two handrails are detachably arranged on the base through the quick connecting devices, an extending frame capable of sliding on the base is arranged on the base, an extending device used for matching with the extending frame to extend the length of the top surface of the base is arranged in the base, when the length of the base needs to be increased, the extending frame is dragged towards the direction far away from the backrest, a gap between the end part of the extending frame and the backrest is filled up through the extending device, then an upper cover is laid on the top of the extending frame and the extending device, so that guests can stay in the seat, when the sofa needs to be cleaned, the two handrails are quickly detached through the quick connecting devices, and after people clean the base, the backrest and the two handrails, the two armrests are mounted back on the base and are secured by quick connect means.)

1. The utility model provides a software sofa, includes base (1), back (2) and two handrail (3), its characterized in that: just be located two handrail (3) below in base (1) and all be equipped with first cavity (4), all be equipped with quick connecting device (5) in each first cavity (4), two handrail (3) are all through quick connecting device (5) demountable installation on base (1), be equipped with on base (1) and can go up gliding extension frame (6) on base (1), be equipped with in base (1) and be used for with extension frame (6) cooperation extension base (1) top surface length's extension device (7).

2. The soft sofa of claim 1, wherein: the quick connecting device (5) comprises a screw rod (502) which is rotatably arranged in a first cavity (4) and driven to rotate through a servo motor (501), two nut sleeves (503) which are arranged at the left end and the right end of the screw rod (502) through threaded connection, and clamping plates (504) which are respectively fixedly arranged at the tops of the nut sleeves (503), wherein an inserting block (505) is arranged between the two clamping plates (504), the top end of the inserting block (505) penetrates through the top of a base (1) and then is fixedly connected with the bottom of a handrail (3), and the directions of threads in the two nut sleeves (503) are opposite.

3. The soft sofa of claim 2, wherein: extension fixture (7) are including setting up on base (1) and being located lift groove (701) between two handrail (3), along vertical direction liftable install lifter plate (702) in lift groove (701), set up second cavity (703) between two first cavities (4), install a plurality of lift cylinders (704) in second cavity (703), the top of each lift cylinder (704) all with lifter plate (702) bottom surface fixed connection, be provided with stop device (8) on lifter plate (702) and be used for preventing to extend frame (6) free slip on base (1).

4. The soft sofa of claim 3, wherein: stop device (8) are including setting up draw-in groove (801) that is close to back (2) one end in extension frame (6) bottom surface, setting up recess (802) at draw-in groove (801) top, setting up card edge (803) of keeping away from back (2) one end and draw-in groove (801) looks adaptation on lifter plate (702) top surface, set up card strip (804) with recess (802) looks adaptation on card edge (803), the one end that lifter plate (702) top surface was kept away from card edge (803) is equipped with stand (805) with recess (802) looks adaptation.

5. A process for manufacturing the soft sofa of claim 4, comprising the steps of:

s1: selecting a proper plate and a proper square timber, and cutting the plate or the square timber into the plate or the square timber with a required shape by a cutting saw;

s2: placing the plate or the square material obtained in the step S1 on a grinding device for surface grinding, and removing burrs and acute angles on the surface of the plate;

s3: combining the plates or the square materials subjected to the finishing treatment into a frame, and combining the frame according to the design required size and drawing;

s4: cutting a sponge block with a required size by using a sponge cutting machine;

s5: filling quantitative sponge into the sofa inner cushion shell through a sponge filling machine and a quantitative mechanism;

s6: the frame is nailed with an elastic belt by an elastic belt tensioning machine, then the frame is nailed with gauze, and finally the surface of the frame is glued with the sofa inner pad;

s7: cutting the outer sleeve;

s8: the frame adhered with the sponge is nailed with an inner sleeve, and then sleeved with an outer sleeve and fixed, so that the sofa can be assembled.

6. A production apparatus adapted to the production process according to claim 5, comprising a polishing device including a frame (10) having a plurality of conveying rollers (9), two polishing rollers (11) disposed on the frame (10) in opposed relation to each other, characterized in that: still install dust collector (12), vertical fixing device (13), horizontal fixing device (14) and height adjusting device (15) on frame (10), dust collector (12) are used for collecting the garrulous saw-dust that produces when polishing roller (11) polishes panel or square timber surface, vertical fixing device (13) are used for fixing the material in vertical direction, horizontal fixing device (14) are used for fixing the material transversely, height adjusting device (15) are used for adjusting dust collector (12) and panel or square timber surface interval according to panel or square timber thickness automatically.

7. A production plant according to claim 6, characterized in that: dust collector (12) have the inner chamber and all be equipped with dust removal case (1202) of negative pressure hole (1201) towards panel or square timber one side including two upper and lower opposition, downside dust removal case (1202) fixed mounting is in frame (10) lower part, upside dust removal case (1202) through electronic slide rail (1203) liftable install dust collection box (1205) that are equipped with dust filter plate (1204) in frame (10) upper portion, the inner chamber, two dust removal cases (1202) all communicate with dust collection box (1205) through negative pressure pipe (1207), outlet duct (1206) are still installed at dust collection box (1205) top, the one end that negative pressure pipe (1207) stretched into dust collection box (1205) inner chamber passes dust filter plate (1204) back and stretches into dust collection box (1205) inner chamber bottom, install aspiration pump (1208) on negative pressure pipe (1207), dust collection box (1205) bottom demountable installation has collection dust collection drawer (1209).

8. A production plant according to claim 7, characterized in that: the longitudinal fixing device (13) comprises a straight cylinder (1302) which is installed on a rack (10) through a mounting plate (1301) and located above one conveying roller (9), a support rod (1303) which is installed at the bottom of the straight cylinder (1302) and penetrates through the mounting plate (1301) to extend downwards, a telescopic sleeve (1304) installed at the bottom end of the support rod (1303), a spring (1305) installed in the telescopic sleeve (1304) and a sliding block (1306) located at the bottom of the spring (1305), a pressure sensor (1307) electrically connected with the straight cylinder (1302) is installed at the top of the sliding block (1306), a compression roller frame (1308) is installed at the bottom of the sliding block (1306), and a compression roller (1309) is installed after the bottom end of the compression roller frame (1308) penetrates through the bottom of the telescopic sleeve (1304) to extend downwards and rotates.

9. A production plant according to claim 8, characterized in that: the transverse fixing device (14) comprises a fixed rotary roller (1402) vertically and rotatably mounted on the rack (10) through a fixed frame (1401), an adjustable frame (1403) which is mounted on the other side of the plate or the square material on the rack (10) through a screw, a movable frame (1404) movably mounted on the adjustable frame (1403) and capable of moving along the transverse direction, a movable rotary roller (1405) rotatably mounted on the movable frame (1404), a threaded through hole arranged on the adjustable frame (1403), and a threaded rod (1406) movably mounted in the threaded through hole, one end of the threaded rod (1406) is rotatably connected with one side of the movable frame (1404), the other end of the threaded rod penetrates through the threaded hole and is provided with a hand wheel (1407), the adjustable frame (1403) is detachably arranged on the frame (10) through screws, the rack (10) is provided with a plurality of threaded blind holes (1408) which are uniformly arranged and used for mounting screws.

10. A production facility according to claim 8 or 9, characterized in that: the height adjusting device (15) comprises an insulating column (1502) arranged below the mounting plate (1301) through an L-shaped support (1501), and a coil (1503) wound on the outer wall of the insulating column (1502), wherein one end of the coil (1503) is connected with a binding post (1504), a conductive post (1505) is arranged on the outer wall of the telescopic sleeve (1304) facing the binding post (1504), one end, far away from the telescopic sleeve (1304), of the conductive post (1505) is abutted to the surface of the coil (1503), and the binding post (1504) and the conductive post (1505) are both electrically connected with an electric sliding rail (1203).

Technical Field

The invention relates to the technical field of soft sofas, in particular to a soft sofa and a production process thereof.

Background

According to the shape of the sofa, the current sofa is mainly divided into two types, namely classical sofa and modern sofa. The classical modeling sofa generally adopts a plurality of traditional modeling elements and traditional process structures, so the structure is more complex. The exposed part of the sofa is usually decorated by carving, inlaying, drawing, finishing and other processes, and the production process has long route and high technical requirement. The modern modeling sofa has the advantages of simple production process, wide application of modern novel process materials, short production process route and convenience for large-scale production. The sofa mainly comprises a frame, filling materials and fabric, is simple in structure, does not have a good extending effect, is poor in folding effect, occupies a large space, cannot help a master to solve the problem that guests stay at home when multiple guests visit, is large in overall structure and heavy, is very troublesome if the whole sofa is directly cleaned, and can be cleaned only by spending a lot of manpower and time, and the main structure and the basic shape of the sofa are formed by the frame. The frame material mainly comprises a plate or square material, a steel material, an artificial board, a medium-density fiberboard and the like, and the medium-density fiberboard is mainly used at present. The frame mainly meets the modeling requirement and the strength requirement; the filling material plays a decisive role in the comfort of the sofa. The traditional filling materials are palm fiber and springs, and currently, foamed plastics, sponges, synthetic materials and the like with various functions are commonly used. The filler should have good elasticity, fatigue resistance and long service life. The filling materials at different parts of the sofa have different requirements on load bearing and comfort. The performance and price of the filling material are greatly different; the quality and the color of the fabric determine the grade of the sofa, the variety of the fabric is full of Lin and Lang, and the variety of the fabric is more and more abundant along with the progress of science and technology. In the prior art, according to the principle of dividing work and improving the working efficiency, the sofa processing is divided into 5 sections: a frame section, mainly manufacturing a sofa frame; an external decoration section, which mainly manufactures the components exposed outside the sofa; a lining working section, wherein various sponge inner cores are prepared; a coat section for cutting and sewing the coat; and a final assembly (covering the skin) section, namely, mixing the semi-finished products of the previous sections with auxiliary materials to assemble a complete sofa product. However, the prior process has the following defects: firstly, in a frame working section, the surface of a selected frame is not subjected to any treatment, so that burrs, acute angles and other phenomena are easy to appear, and potential quality hazards are left for subsequent processes, but the polishing equipment in the prior market cannot clamp materials with different thicknesses generally, the positions of the materials are easy to deviate in the process of polishing the materials, so that the polishing effect is poor, and the broken wood chips generated in the polishing process can scatter around, so that workers are inconvenient to collect the broken wood chips; meanwhile, in the lining section, the filling of the sponge amount in the sofa cushion is generally completed by an operator according to experience, sometimes the product is inconsistent due to gestures of the operator, the sponge amount in each sofa cushion cannot reach the required amount at one time, and repeated experiments are needed, so that the production efficiency is directly influenced; in the general assembly (covering) section, an operator needs to continuously turn over the heavy sofa and change different work stations, so that the labor intensity is increased, and the work efficiency is reduced, thereby needing to be improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the soft sofa which is convenient to fold, unfold and wash and the production process thereof, wherein the soft sofa can polish the surface of a frame, can automatically fix materials with different thicknesses and can collect powder and scraps generated in the polishing process.

The technical scheme of the invention is realized as follows: the utility model provides a software sofa, includes base, back and two handrails, its characterized in that: the utility model discloses a handrail, including base, handrail, base, and be equipped with quick-witted base top surface, be equipped with quick-connect device in each first cavity, two handrails all pass through quick-connect device demountable installation on the base, be equipped with on the base and can be on the gliding extension frame of base, be equipped with in the base and be used for with extend the extension device that a cooperation extension base top surface length.

By adopting the technical scheme, when the length of the base needs to be increased in daily use, the extension frame is dragged towards the direction away from the backrest, the gap between the end part of the extension frame and the backrest is filled by the extension device, and the length of the top surface of the base is extended by the way, then the top of the extending frame and the extending device is paved with a cover, so that guests can stay at the room, when the sofa needs to be cleaned, the rapid connection device for the customs clearance can rapidly detach the two handrails, and after people clean the base, the backrest and the two handrails, the two handrails are installed back on the base and fixed by the quick connecting device, through such mode, make things convenient for people to unpick and wash the sofa, avoid being difficult to dismantle because of the handrail, lead to the gap between handrail and the back to be difficult to clear phenomenon to take place, compare with prior art, this sofa practicality is strong and convenient cleanness.

The invention is further configured to: the quick connecting device comprises a lead screw which is rotatably arranged in a first cavity and driven to rotate through a servo motor, two nut sleeves which are arranged at the left end and the right end of the lead screw in a threaded connection mode, clamping plates which are respectively fixedly arranged at the tops of the nut sleeves, and an inserting block arranged between the two clamping plates, wherein the top end of the inserting block penetrates through the top of a base and then is fixedly connected with the bottom of a handrail, and the thread directions in the two nut sleeves are opposite.

Through adopting above-mentioned technical scheme, in daily use, when the handrail needs to be pulled down, servo motor drives the lead screw and rotates, two nut covers that the internal thread is opposite move towards opposite direction, both sides wall that the lateral wall that is relative with two splint and inserted block carried on the back breaks away from the contact, make the inserted block lose fixedly, people alright with handrail rebound, take off handrail from the base together with the inserted block, to handrail and base, the back is cleaned the back, insert the inserted block of handrail bottom and establish back between two splint, servo motor drives lead screw antiport, two nut covers that the internal thread is opposite are close to each other, make two lateral walls that the splint is relative respectively with the both sides wall butt that the inserted block carried on the back, accomplish the fixed to the inserted block, make the position of handrail fixed, through such a mode, make things convenient for the dismantlement and the installation of handrail fixed.

The invention is further configured to: the extension device comprises a lifting groove, a lifting plate, a second chamber and a plurality of lifting cylinders, wherein the lifting groove is formed in the base and is located between the two handrails, the lifting plate is arranged in the lifting groove in a lifting mode along the vertical direction, the second chamber is arranged between the two first chambers, the lifting cylinders are arranged in the second chamber, the top end of each lifting cylinder is fixedly connected with the bottom surface of the lifting plate, and the lifting plate is provided with a limiting device used for preventing the extension frame from freely sliding on the base.

Through adopting above-mentioned technical scheme, in daily use, when extending the frame and removing to its one end towards the back and keeping away from back one end top to the lift groove, the lift cylinder starts, make the lifter plate rise in the lift groove, until the lifter plate top surface is located same horizontal plane with extension frame top surface, lift cylinder stall, fix the position of lifter plate through stop device, prevent that the extension frame from sliding on the base at will, avoid lying people above that to drive the extension frame when standing up or getting out of bed night.

The invention is further configured to: stop device is including setting up at the draw-in groove that extends the frame bottom surface and be close to back one end, setting up at the recess at draw-in groove top, setting up and keep away from the card edge of back one end and draw-in groove looks adaptation, setting up the card strip with recess looks adaptation on the card edge at the lifter plate top surface, the one end that the lifter plate top surface was kept away from the card edge is equipped with the stand with recess looks adaptation.

Through adopting above-mentioned technical scheme, in daily use, when the one end of extending the frame and back butt, the stand top stretches into in the recess, need make to extend when the direction of keeping away from the back of frame removes, start the lift cylinder earlier and drive the lifter plate decline, make the stand top break away from the recess completely, treat that the frame that extends removes to its one end towards the back and keep away from back and recess when being located the card strip top, the lift cylinder drives the lifter plate rebound, insert until the card strip and establish in the recess, the card is along inserting and establishing the draw-in groove, through such a mode, fix the position in the base top to the extension, prevent that the extension from sliding at will at the base top, cause danger.

The invention also discloses a production process, which is characterized by comprising the following steps:

s1: selecting a proper plate or square timber, and cutting the plate or square timber into the plate or square timber with a required shape by a cutting saw;

s2: placing the plate or the square material obtained in the step S1 on a grinding device for surface grinding, and removing burrs and acute angles on the surface of the plate;

s3: combining the plates or the square materials subjected to the finishing treatment into a frame, and combining the frame according to the design required size and drawing;

s4: cutting a sponge block with a required size by using a sponge cutting machine;

s5: filling quantitative sponge into the sofa inner cushion shell through a sponge filling machine and a quantitative mechanism;

s6: the frame is nailed with an elastic belt by an elastic belt tensioning machine, then the frame is nailed with gauze, and finally the surface of the frame is glued with the sofa inner pad;

s7: cutting the outer sleeve;

s8: the frame adhered with the sponge is nailed with an inner sleeve, and then sleeved with an outer sleeve and fixed, so that the sofa can be assembled.

Through adopting above-mentioned technical scheme, in daily use, during the use, according to the sponge volume that designs in advance, through this device, call the same sponge and fill it in the sofa in proper order in, can ensure that the sponge volume of filling the sofa pad at every turn is the same, has saved every sofa pad and has carried out the plumpness process of experimental correction, filling the sofa.

The invention also discloses production equipment, which comprises a grinding device, wherein the grinding device comprises a rack with a plurality of conveying rollers and two polishing rollers which are arranged on the rack and are opposite up and down, and the production equipment is characterized in that: still install dust collector, vertical fixing device, horizontal fixing device and high adjusting device in the frame, dust collector is used for collecting the garrulous saw-dust that produces when polishing to panel or square timber surface to the burnishing roll, vertical fixing device is used for fixing the material in vertical direction, horizontal fixing device is used for transversely fixing the material, high adjusting device is used for adjusting dust collector and panel or square timber surface interval according to panel or square timber thickness automatically.

Through adopting above-mentioned technical scheme, in daily use, send into panel or square timber in the frame, polish panel or square timber surface through polishing roller, vertical and horizontal fixing device to panel or square timber through vertical fixing device and horizontal fixing device, avoid panel or square timber its position to take place to remove when being polished by polishing roller, lead to the not good phenomenon of polishing effect to take place, the garrulous saw-dust that produces when polishing roller polishes panel or square timber surface through dust collector concentrates the collection, prevent garrulous saw-dust quartic scattering, setting through height adjusting device, make dust collector can be according to the thickness change of panel or square timber, adjust its and the interval of panel or square timber upper surface, make dust collector and panel or square timber upper surface keep the even interval, guarantee that dust collector can be to the collection effect of garrulous saw-dust.

The invention is further configured to: dust collector includes that two upper and lower oppositions have the inner chamber and all are equipped with dust removal case, downside dust removal case fixed mounting of negative pressure hole towards panel or square timber one side and pass through the dust collection box that electronic slide rail liftable was installed in frame upper portion, inner chamber and be equipped with the dust filter, and two dust removal cases all communicate through negative pressure pipe and dust collection box, the outlet duct is still installed at the dust collection box top, the one end that the negative pressure pipe stretched into the dust collection box inner chamber passes and stretches into dust collection box inner chamber bottom behind the dust filter, install the aspiration pump on the negative pressure pipe, dust collection box bottom demountable installation has a collection dirt drawer.

Through adopting above-mentioned technical scheme, in daily use, the aspiration pump starts, make the negative pressure pipe, form the negative pressure in dust collection box inner chamber and the negative pressure hole, the garrulous saw-dust that makes panel or square timber surface is wrapped up in by the air current and is taken under the hand and loop through the negative pressure hole, dust collection box inner chamber and negative pressure pipe back get into dust collection box inner chamber bottom, the air current is wrapped up in and is taken under the hand and is taken up garrulous saw-dust towards dust collection box inner chamber top removal, setting through the dust filter, the garrulous saw-dust separation that wraps up under the hand in the air current is in dust collection box inner chamber below, the air current passes through the dust filter and passes through outlet duct discharge dust collection box behind the dust filter, finally, the aspiration pump is closed, garrulous saw-dust falls in the collection drawer, the staff takes out dust collection drawer from the dust collection drawer, accomplish the concentrated collection clearance to the garrulous saw-dust.

The invention is further configured to: vertical fixing device includes and installs in the frame and be located the straight line cylinder of a transfer roller top, install and pass the branch of mounting panel downwardly extending, install at the telescope tube of branch bottom, install the spring in the telescope tube and be located the slider of spring bottom straight line cylinder bottom through the mounting panel, the pressure sensor who is connected with straight line cylinder electricity is installed at the slider top, the compression roller frame is installed to the slider bottom, the bottom of compression roller frame is passed the telescope tube bottom and is installed the compression roller to the downward extension and rotate to the lower extension.

Through adopting above-mentioned technical scheme, in daily use, make panel or square stock through each transfer roller, then the straight-going cylinder starts, make branch drive telescope tube downstream, compression roller surface and panel or square stock surface butt, branch continues downstream, make the spring receive the extrusion and take place to warp, exert pressure to the slider, the compression roller of installing in compression roller frame bottom rotates and keeps in contact with panel or square stock upper surface, along with branch continues downstream, install the pressure sensor top at slider top and telescope tube top inner wall butt, the straight-going cylinder shut down with the pressure sensor electricity is connected, through such a mode, accomplish the longitudinal fixity to panel or square stock.

The invention is further configured to: the horizontal fixing device comprises a fixed rotating roller installed on the rack through vertical rotation of a fixing frame, an adjustable frame located on the other side of a plate or a square material and installed on the rack through screws, a movable frame installed on the adjustable frame and capable of moving along the horizontal movement, a movable rotating roller installed on the movable frame in a rotating mode, a threaded rod arranged in a threaded through hole of the adjustable frame and a threaded through hole of the movable frame, one end of the threaded rod is connected with one side of the movable frame in a rotating mode, the other end of the threaded rod penetrates through the threaded hole and is provided with a hand wheel, the adjustable frame is installed on the rack through screw detachable installation, and a plurality of threaded blind holes which are evenly arranged and used for screw installation are formed in the rack.

Through adopting above-mentioned technical scheme, in daily use, when needing to fix the horizontal of panel, fix the adjustable shelf through the cooperation of the screw blind hole of keeping away from the mount in screw and the frame, then rotate the hand wheel and make the threaded rod rotate in the screw through-hole, it slides in the adjustable shelf to drive the movable frame, make the outer wall of removing the commentaries on classics roller and the outer wall of fixed commentaries on classics roller simultaneously with panel both sides outer wall butt, when needing to fix the square timber, fix the adjustable shelf through the cooperation of the screw blind hole that is close to the mount in screw and the frame, then rotate the hand wheel and make the threaded rod rotate in the screw through-hole, it slides in the adjustable shelf to drive the movable frame, make the outer wall of removing the commentaries on classics roller and the outer wall of fixed commentaries on classics roller simultaneously with panel both sides outer wall butt, accomplish to panel or square timber horizontal fixed.

The invention is further configured to: height adjusting device includes through L shape support mounting at the insulated column of mounting panel below, the coil of winding on the insulated column outer wall, the one end of coil is connected with the terminal, telescopic tube installs on the outer wall of terminal and leads electrical pillar, lead electrical pillar and keep away from telescopic tube's one end and coil surface butt, the terminal with lead electrical pillar all with electronic slide rail electricity be connected.

Through adopting above-mentioned technical scheme, in daily use, telescopic sleeve drives when reciprocating and leads electrical pillar and removes, and the one end of leading electrical pillar can move on the coil to change the quantity of coil circular telegram, thereby changed the size of resistance, the start-up time of electronic slide rail can be controlled to numerical value through resistance, thereby reach the purpose of adjusting upside dust removal case and panel or square timber upper surface interval, make dust collector can play the best dust removal effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a soft sofa according to an embodiment of the present invention.

Fig. 2 is a schematic sectional view taken along the direction a-a in fig. 1.

Fig. 3 is a schematic structural view of a polishing device according to an embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view taken along the direction B-B in fig. 3.

Fig. 5 is a schematic view of a part of the enlarged structure at C in fig. 3.

FIG. 6 is a schematic structural diagram of a dust removing apparatus according to an embodiment of the present invention.

The labels in the figures are:

1-base, 2-backrest, 3-armrest, 4-first chamber, 5-quick connecting device, 501-servo motor, 502-screw rod, 503-nut sleeve, 504-splint, 505-insert block, 6-extension frame, 7-extension device, 701-lifting groove, 702-lifting plate, 703-second chamber, 704-lifting cylinder, 8-limiting device, 801-clamping groove, 802-groove, 803-clamping edge, 804-clamping strip, 805-upright post, 9-conveying roller, 10-frame, 11-polishing roller, 12-dust removal device, 1201-negative pressure hole, 1202-dust removal box, 1203-electric sliding rail, 1204-dust filter plate, 1205-dust collection box, 1206-air outlet pipe, 1207-negative pressure pipe, 1208-air pump, 1209-dust collection drawer, 13-longitudinal fixing device, 1301-mounting plate, 1302-straight cylinder, 1303-supporting rod, 1304-telescopic sleeve, 1305-spring, 1306-sliding block, 1307-pressure sensor, 1308-roller frame, 1309-pressing roller, 14-transverse fixing device, 1401-fixing frame, 1402-fixing roller, 1403-adjustable frame, 1404-movable frame, 1405-movable roller, 1406-threaded rod, 1407-hand wheel, 1408-threaded blind hole, 15-height adjusting device, 1501-bracket, 1502-insulating column, 1503-coil, 1504-binding post and conductive column-1505.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-6, the present invention discloses a soft sofa, which comprises a base 1, a backrest 2 and two armrests 3, in the embodiment of the present invention: just being located 3 below of two handrails and all being equipped with first cavity 4 in the base 1, all being equipped with quick-connect device 5 in each first cavity 4, two handrails 3 are all through quick-connect device 5 demountable installation on base 1, be equipped with on base 1 and can be on base 1 gliding extension frame 6, be equipped with in the base 1 and be used for extending the extension device 7 of 6 cooperation extension base 1 top surface lengths of frame.

By adopting the technical scheme, in daily use, when the length of the base 1 needs to be increased, the extension frame 6 is dragged towards the direction far away from the backrest 2, the gap between the end part of the extension frame 6 and the backrest 2 is filled up by the extension device 7, the length of the top surface of the base 1 is extended in such a way, then the top parts of the extension frame 6 and the extension device 7 are paved with a cover, so that guests can stay for a night, when the sofa needs to be cleaned, the two handrails 3 are quickly disassembled by the connection quick connecting device 5, and after the base 1, the backrest 2 and the two handrails 3 are cleaned, the two handrails 3 are installed back on the base 1 and the two handrails 3 are fixed by the quick connecting device 5, so that the sofa is convenient for the people to disassemble and clean, the phenomenon that the gap between the handrails 3 and the backrest 2 is difficult to clean due to the difficulty in disassembling of the handrails 3 is avoided, compared with the prior art, the sofa has strong practicability and is convenient to clean.

In a specific embodiment of the invention: the quick connection device 5 comprises a lead screw 502 which is rotatably arranged in the first chamber 4 and is driven to rotate by a servo motor 501, two nut sleeves 503 which are connected with the left end and the right end of the lead screw 502 through threads and are arranged on the left end and the right end of the lead screw 502, clamping plates 504 which are respectively and fixedly arranged on the tops of the nut sleeves 503, an inserting block 505 is arranged between the two clamping plates 504, the top end of the inserting block 505 penetrates through the top of the base 1 and is fixedly connected with the bottom of the handrail 3, and the directions of threads in the two nut sleeves 503 are opposite.

By adopting the technical scheme, in daily use, when the handrail 3 needs to be detached, the servo motor 501 drives the screw rod 502 to rotate, the two nut sleeves 503 with opposite internal threads move towards opposite directions until the opposite side walls of the two clamping plates 504 are separated from the two side walls opposite to the inserting block 505, so that the inserting block 505 is not fixed, people can move the handrail 3 upwards, the handrail 3 and the inserting block 505 are detached from the base 1, after the handrail 3, the base 1 and the backrest 2 are cleaned, the insertion block 505 at the bottom of the handrail 3 is inserted between the two clamping plates 504, the servo motor 501 drives the screw rod 502 to rotate reversely, the two nut sleeves 503 with opposite internal threads are close to each other, the opposite side walls of the two clamping plates 504 are respectively abutted against the two opposite side walls of the insertion block 505, the fixation of the insertion block 505 is completed, the position of the handrail 3 is fixed, and the handrail 3 is convenient to detach and install and fix in such a way.

In a specific embodiment of the invention: the extension device 7 comprises a lifting groove 701 which is arranged on the base 1 and is positioned between the two handrails 3, a lifting plate 702 which is arranged in the lifting groove 701 and can be lifted along the vertical direction, a second chamber 703 which is arranged between the two first chambers 4, and a plurality of lifting cylinders 704 which are arranged in the second chamber 703, wherein the top end of each lifting cylinder 704 is fixedly connected with the bottom surface of the lifting plate 702, and the lifting plate 702 is provided with a limiting device 8 for preventing the extension frame 6 from freely sliding on the base 1.

Through adopting above-mentioned technical scheme, in daily use, when extending frame 6 and moving to its one end towards back 2 and keeping away from back 2 one end top to lifting groove 701, lift cylinder 704 starts, make lifter plate 702 rise in lifting groove 701, until lifter plate 702 top surface and extension frame 6 top surface are located same horizontal plane, lift cylinder 704 stop motion, fix the position of lifter plate 702 through stop device 8, prevent to extend frame 6 and slide at will on base 1, people who avoids lying on it drives extension frame 6 when standing up or getting out of bed night.

In a specific embodiment of the invention: the limiting device 8 comprises a clamping groove 801 arranged at one end, close to the backrest 2, of the bottom surface of the extension frame 6, a groove 802 arranged at the top of the clamping groove 801, a clamping edge 803 arranged at one end, far away from the backrest 2, of the top surface of the lifting plate 702 and matched with the clamping groove 801, and a clamping strip 804 arranged on the clamping edge 803 and matched with the groove 802, wherein an upright 805 matched with the groove 802 is arranged at one end, far away from the clamping edge 803, of the top surface of the lifting plate 702.

Through adopting above-mentioned technical scheme, in daily use, when the one end of extending frame 6 and back 2 butt, the stand 805 top stretches into in the recess 802, when need making extend frame 6 and move towards the direction of keeping away from back 2, start lifting cylinder 704 earlier and drive lifter plate 702 and descend, make stand 805 top break away from the recess 802 completely, treat that extend frame 6 moves to its one end towards back 2 and keep away from back 2 and recess 802 is located card strip 804 top, lifting cylinder 704 drives lifter plate 702 and upwards moves, insert until card strip 804 inserts and establish in recess 802, card edge 803 is inserted and is established in the draw-in groove 801, through such a mode, fix the position of extending frame 6 in base 1 top, prevent to extend frame 6 and slide at will at the base 1 top, cause danger.

The invention also discloses a production process, which comprises the following steps in the specific embodiment of the invention: s1: selecting a proper plate or square timber, and cutting the plate or square timber into the plate or square timber with a required shape by a cutting saw;

s2: placing the plate or the square material obtained in the step S1 on a grinding device for surface grinding, and removing burrs and acute angles on the surface of the plate;

s3: combining the plates or the square materials subjected to the finishing treatment into a frame, and combining the frame according to the design required size and drawing;

s4: cutting a sponge block with a required size by using a sponge cutting machine;

s5: filling quantitative sponge into the sofa inner cushion shell through a sponge filling machine and a quantitative mechanism;

s6: the frame is nailed with an elastic belt by an elastic belt tensioning machine, then the frame is nailed with gauze, and finally the surface of the frame is glued with the sofa inner pad;

s7: cutting the outer sleeve;

s8: the frame adhered with the sponge is nailed with an inner sleeve, and then sleeved with an outer sleeve and fixed, so that the sofa can be assembled.

Through adopting above-mentioned technical scheme, in daily use, during the use, according to the sponge volume that designs in advance, through this device, call the same sponge and fill it in the sofa in proper order in, can ensure that the sponge volume of filling the sofa pad at every turn is the same, has saved every sofa pad and has carried out the plumpness process of experimental correction, filling the sofa.

The invention also discloses production equipment, which comprises a grinding device, wherein the grinding device comprises a machine frame 10 with a plurality of conveying rollers 9 and two polishing rollers 11 which are arranged on the machine frame 10 and are opposite up and down, and in the specific embodiment of the invention: the machine frame 10 is further provided with a dust removal device 12, a longitudinal fixing device 13, a transverse fixing device 14 and a height adjusting device 15, the dust removal device 12 is used for collecting sawdust generated when the polishing roller 11 polishes the surface of a plate or a square material, the longitudinal fixing device 13 is used for fixing the material in the vertical direction, the transverse fixing device 14 is used for fixing the material in the transverse direction, and the height adjusting device 15 is used for automatically adjusting the distance between the dust removal device 12 and the surface of the plate or the square material according to the thickness of the plate or the square material.

By adopting the technical scheme, in daily use, the plate or the square timber is fed into the frame 10, the polishing roller 11 is used for polishing the surface of the plate or the square timber, the longitudinal fixing device 13 and the transverse fixing device 14 are used for fixing the plate or the square timber in the longitudinal direction and the transverse direction, the phenomenon that the position of the plate or the square timber moves when the plate or the square timber is polished by the polishing roller 11 to cause poor polishing effect is avoided, the dust removing device 12 is used for collecting the wood chips generated when the polishing roller 11 polishes the surface of the plate or the square timber in a centralized way, preventing the wood chips from scattering for four times, through the setting of height adjusting device 15, make dust collector 12 can adjust its and panel or square timber upper surface's interval according to the thickness change of panel or square timber, make dust collector 12 and panel or square timber upper surface keep even interval, guarantee that dust collector 12 can be to the collection effect of garrulous saw-dust.

In a specific embodiment of the invention: dust collector 12 includes that two upper and lower oppositions have the inner chamber and all are equipped with dust removal case 1202, downside dust removal case 1202 fixed mounting of negative pressure hole 1201 in frame 10 lower part, upside dust removal case 1202 through electronic slide rail 1203 liftable install in frame 10 upper portion, the inner chamber dust collection case 1205 that is equipped with dust filter 1204, two dust removal cases 1202 all communicate with dust collection case 1205 through negative pressure pipe 1207, outlet duct 1206 is still installed at dust collection case 1205 top, the one end that negative pressure pipe 1207 stretched into dust collection case 1205 inner chamber passes dust filter 1204 and then stretches into dust collection case 1205 inner chamber bottom, install aspiration pump 1208 on the negative pressure pipe 1207, dust collection case 1205 bottom demountable installation has collection drawer 1209.

By adopting the technical scheme, in daily use, the air pump 1208 is started, the negative pressure pipe 1207 is enabled, the negative pressure is formed in the inner cavity and the negative pressure hole 1201 of the dust collection box 1205, the crushed wood chips on the surface of a plate or a square material are wrapped by air flow and sequentially pass through the negative pressure hole 1201, the inner cavity and the negative pressure pipe 1207 of the dust collection box 1205 are entered into the bottom of the inner cavity of the dust collection box 1205, the air flow wraps the crushed wood chips and moves towards the upper part of the inner cavity of the dust collection box 1205, the crushed wood chips wrapped in the air flow are separated below the inner cavity of the dust collection box 1205 through the dust filter 1204, the air flow is discharged out of the dust collection box 1205 through the air outlet pipe 1206 after passing through the dust filter 1204, finally, the air pump 1208 is closed, the crushed wood chips fall into the dust collection drawer 1209, a worker draws the dust collection drawer 1209 out of the dust collection box 1205, and the concentrated collection and cleaning of the crushed wood chips are completed.

In a specific embodiment of the invention: the longitudinal fixing device 13 comprises a straight cylinder 1302 which is installed on the frame 10 through a mounting plate 1301 and is positioned above one conveying roller 9, a support rod 1303 which is installed at the bottom of the straight cylinder 1302 and extends downwards through the mounting plate 1301, a telescopic sleeve 1304 which is installed at the bottom end of the support rod 1303, a spring 1305 which is installed in the telescopic sleeve 1304, and a slide block 1306 which is positioned at the bottom of the spring 1305, wherein a pressure sensor 1307 which is electrically connected with the straight cylinder 1302 is installed at the top of the slide block 1306, a pressure roller frame 1308 is installed at the bottom of the slide block 1306, and the bottom end of the pressure roller frame 1308 extends downwards after passing through the bottom of the telescopic sleeve 1304 and is rotatably installed with a pressure roller 1309.

By adopting the technical scheme, in daily use, a plate or a square timber passes through each conveying roller 9, then the straight-moving cylinder 1302 is started, the support rod 1303 drives the telescopic sleeve 1304 to move downwards, the surface of the press roller 1309 abuts against the surface of the plate or the square timber, the support rod 1303 continuously moves downwards, the spring 1305 is extruded to deform, pressure is applied to the sliding block 1306, the press roller 1309 rotatably installed at the bottom of the press roller frame 1308 keeps contact with the upper surface of the plate or the square timber, as the support rod 1303 continuously moves downwards, the top of the pressure sensor 1307 installed at the top of the sliding block 1306 abuts against the inner wall of the top of the telescopic sleeve 1304, the straight-moving cylinder 1302 electrically connected with the pressure sensor 1307 stops operating, and through the mode, the longitudinal fixing of the plate or the square timber is completed.

In a specific embodiment of the invention: the transverse fixing device 14 comprises a fixed rotating roller 1402 vertically and rotatably mounted on the frame 10 through a fixing frame 1401, an adjustable frame 1403 mounted on the other side of a plate or square material on the frame 10 through a screw, a moving frame 1404 movably mounted on the adjustable frame 1403 and capable of moving transversely, a moving rotating roller 1405 rotatably mounted on the moving frame 1404, a threaded through hole arranged on the adjustable frame 1403, and a threaded rod 1406 movably mounted in the threaded through hole, wherein one end of the threaded rod 1406 is rotatably connected with one side of the moving frame 1404, the other end of the threaded rod passes through the threaded hole and is provided with a hand wheel 1407, the adjustable frame 1403 is detachably mounted on the frame 10 through a screw, and a plurality of threaded blind holes 1408 uniformly arranged for mounting the screw are formed in the frame 10.

By adopting the technical scheme, when the transverse fixing of the plate is required in daily use, adjustable frame 1403 is secured by screws engaging threaded blind holes 1408 in frame 10 remote from mount 1401, then, the hand wheel 1407 is rotated to make the threaded rod 1406 rotate in the threaded through hole, the movable frame 1404 is driven to slide in the adjustable frame 1403, the outer wall of the movable rotary roller 1405 and the outer wall of the fixed rotary roller 1402 are simultaneously abutted against the outer walls at two sides of the plate, when the square plate needs to be fixed, adjustable frame 1403 is secured by screws engaging blind threaded holes 1408 in frame 10 adjacent to mount 1401, then, the hand wheel 1407 is rotated to rotate the threaded rod 1406 in the threaded through hole, the movable frame 1404 is driven to slide in the adjustable frame 1403, the outer wall of the movable rotary roller 1405 and the outer wall of the fixed rotary roller 1402 are simultaneously abutted against the outer walls on the two sides of the plate, and the plate or the square plate is fixed transversely.

In a specific embodiment of the invention: the height adjusting device 15 comprises an insulating column 1502 installed below the mounting plate 1301 through an L-shaped bracket 1501, a coil 1503 wound on the outer wall of the insulating column 1502, a binding post 1504 connected to one end of the coil 1503, a conductive post 1505 installed on the outer wall of the telescopic sleeve 1304 facing the binding post 1504, an end of the conductive post 1505 far away from the telescopic sleeve 1304 abutting against the surface of the coil 1503, and the binding post 1504 and the conductive post 1505 are both electrically connected with the electric sliding rail 1203.

Through adopting above-mentioned technical scheme, in daily use, flexible sleeve 1304 drives when reciprocating and leads electrical pillar 1505 to remove, and the one end of leading electrical pillar 1505 can move on coil 1503 to change the quantity that coil 1503 circular telegram, thereby changed the size of resistance, the start-up time of electronic slide rail 1203 can be controlled to numerical value through resistance, thereby reach the mesh of adjusting upside dust removal case 1202 and panel or square timber upper surface interval, make dust collector 12 can play the best dust removal effect.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.