CN220243705U - Sofa packing plant - Google Patents

Abstract

The utility model discloses a sofa packing device, which belongs to packing equipment and comprises: a conveying device; the roll feeding device comprises a roll feeding set and a cutting end, wherein the roll feeding set is used for unreeling the lower packaging film to the conveying surface of the conveying device; the left motion assembly comprises a first sewing end, a first pressing end and a transverse pushing component; the right movement assembly comprises a second sewing end, a second pressing end and an unreeling part, the unreeling part comprises a forward and reverse rotation motor and a winding roller, the forward and reverse rotation motor is used for driving the winding roller to rotate forward or reversely, and the winding roller is used for unreeling and winding the upper packaging film; the wrapping assembly is arranged above the conveying device, and is used for stretching the upper packaging film unreeled by the unreeling component to the upper part of the conveying device, and the upper packaging film and the lower packaging film are tightly attached to the sofa through the cooperation of the transverse pushing component and the unreeling component, so that the packaging bag and the sofa are more compact in packaging.

Description

Sofa packing plant

Technical Field

The utility model relates to the technical field of packaging equipment, in particular to a sofa packaging device.

Background

In order to avoid the problem that furniture such as a sofa is scratched and damaged in the transportation process, the furniture such as the sofa is often required to be packaged before transportation. The traditional package is manual package, a plurality of workers are required to carry the sofa up, the packaging film is wrapped outside the sofa, and then the packaging film is sealed, so that furniture such as the sofa and the like can be protected.

However, the following problems are generally existed in the prior art for packaging furniture such as sofas and the like: the packaging film is not tight to the parcel of furniture such as sofa and leads to the inconvenient transportation of furniture such as sofa, and packing efficiency is low.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art.

The utility model provides a sofa packaging device, which comprises a conveying device, a storage device and a storage device, wherein the conveying device is used for conveying a sofa from back to front; the roll feeding device is positioned at the rear end of the conveying device and comprises a roll feeding group and a cutting end, the roll feeding group is used for unreeling the lower packaging film to the conveying surface of the conveying device, and the cutting end can move left and right so as to cut off the lower packaging film; the left moving assembly is positioned at the left side of the conveying device and comprises a first sewing end which moves along the front-back direction, a first pressing end which can approach or depart from the conveying device, and a transverse pushing component, wherein the transverse pushing component comprises a transverse moving drive and a push rod which extends front and back, and the transverse moving drive can drive the push rod to move left and right; the right movement assembly is positioned on the right side of the conveying device and comprises a second sewing end which moves along the front-back direction, a second pressing end which can approach or depart from the conveying device, and an unreeling part, wherein the unreeling part comprises a forward and reverse rotation motor and a winding roller, the forward and reverse rotation motor is used for driving the winding roller to rotate forward or reverse, and the winding roller is used for unreeling and winding the upper packaging film; and the wrapping assembly is erected above the conveying device and is used for stretching the upper packaging film unreeled by the unreeling component to the upper part of the conveying device.

The sofa packaging device provided by the embodiment of the utility model has at least the following beneficial effects: the roll feeding device is positioned at the rear of the conveying device, under the action of the roll feeding group, the lower packaging film can be unreeled to the conveying surface of the conveying device, the lower packaging film is arranged below the sofa and is conveyed forwards together with the lower packaging film in cooperation with the feeding of the sofa, the left moving component and the right moving component are respectively arranged at the left side and the right side of the conveying device, the right moving component comprises an unreeled component, the unreeled component is used for unreeling and reeling the upper packaging film, the wrapping component is used for stretching the unreeled upper packaging film to the upper side of the conveying device so as to enable the sofa to be arranged between the upper packaging film and the lower packaging film, the first pressing end of the left moving component operates, the first pressing end is close to the conveying device, so that the left edge of the upper packaging film is attached to the left edge of the lower packaging film, the first pressing end can move along the front and back directions, the left edge of the upper packaging film and the left edge of the lower packaging film are sewn, then the first compression end is far away from the conveying device, the second compression end is close to the conveying device, the second compression end can limit the right end of the sofa, the right edge of the upper packaging film is attached to the right edge of the lower packaging film, the transverse pushing component operates, the transverse pushing component can drive the push rod to move right, the winding of the upper packaging film can be realized by the winding roller, so that the second compression end of the sofa is close to the sealing position of the left ends of the upper packaging film and the lower packaging film, the gap between the packaging bag and the left end of the sofa is reduced, the sofa moves towards the second compression end, the gap between the packaging bag and the right end of the sofa can be reduced, then the second sewing end can realize the sewing of the right edge of the upper packaging film and the right edge of the lower packaging film, the sealing of the upper packaging film and the lower packaging film at the left end and the right end can be realized, the sofa packaging device has the advantages that the packaging efficiency is improved, the labor intensity of workers is reduced, the upper packaging film and the lower packaging film can be tightly attached to a sofa through the matching of the transverse pushing component and the unreeling component, packaging of the packaging bag and the sofa is compact, the occupied space of the packaged sofa is reduced, the packaging is carried out, and the risk of damage of the sofa in the transportation process is reduced.

According to some embodiments of the present utility model, the present utility model further includes a first telescopic driving, a first lifting driving, and a suspension rod extending forward and backward, wherein the first lifting driving is used for driving the suspension rod to move up and down, the first telescopic driving is used for driving the suspension rod to move forward and backward, and the suspension rod can move between the left motion assembly and the right motion assembly and is located below the cladding assembly.

Considering that a part of sofa is provided with corners, when the packaging film is clung to the contour of the sofa, the edges of the cut packaging film are not flush, the clamping and stretching of the next packaging film are not facilitated, the sofa packaging device further comprises a first telescopic driving device, a first lifting driving device and a hanging rod, the first lifting driving device can be used for driving the hanging rod to move up and down so as to adjust the height position of the hanging rod, the first telescopic driving device can be used for driving the hanging rod to move back and forth, so that the hanging rod can be arranged between a left motion assembly and a right motion assembly, when the wrapping assembly stretches the unreeled upper packaging film, the hanging rod can compensate the cavity of the corners of the sofa, the upper packaging film and the lower packaging film form a wrapping cavity with consistent front-back volume, and the edges of the cut upper packaging film are further flush, so that the wrapping assembly can continuously clamp and stretch the upper packaging film for multiple times, and the efficiency of sofa packaging is facilitated to be improved.

According to some embodiments of the present utility model, the wrapping assembly includes a left-right extending beam frame, a movable mechanism, and a jaw, wherein the left end and the right end of the beam frame are respectively connected with the left movement assembly and the right movement assembly, the movable mechanism is connected to the beam frame, and the movable mechanism is in transmission connection with the jaw to drive the jaw to move up and down and left and right.

Specifically, the cladding subassembly is including being left and right extension's crossbeam frame, crossbeam frame can provide the supporting role for movable mechanism and clamping jaw, crossbeam frame's left end and right-hand member are connected with left motion subassembly and right motion subassembly respectively, so that go up the packaging film and cover to conveyor's top, movable mechanism connects on crossbeam frame, and movable mechanism can drive clamping jaw reciprocates and control the removal, clamping jaw moves to right motion subassembly department about, then movable mechanism can drive clamping jaw moves down, in order to realize the clamping of clamping jaw to the last packaging film of unreeling part department, under movable mechanism's effect, can drive clamping jaw upward movement, move to the right side and move down, so that go up the packaging film cover in the top of sofa, make upward packaging film and lower packaging film enclose into the wrapping bag jointly, upward the left edge of packaging film meets with the left edge of lower packaging film, upward the right edge of packaging film meets with the right edge of lower packaging film, in order to realize the sealing of wrapping bag left end and right end, compared with traditional manual packaging mode, need not lift up the sofa film, the lower packaging film is favorable to the improvement of the sofa, the efficiency is improved, and the sofa is favorable to the packaging strength is improved.

According to some embodiments of the utility model, the utility model further comprises a limiting assembly, wherein the limiting assembly is positioned at the left side of the unreeling component, the limiting assembly comprises a front upright post, a rear upright post, a baffle plate and a second lifting drive, the front upright post and the rear upright post are respectively positioned at the front and the rear of the unreeling component, the front end and the rear end of the baffle plate are respectively and movably connected with the front upright post and the rear upright post, and the second lifting drive is in transmission connection with the baffle plate so as to drive the baffle plate to move up and down.

Further, in order to improve the packing efficiency to the sofa, this sofa packing plant still includes spacing subassembly, and spacing subassembly is located the left side of unreeling part, spacing subassembly includes the front column, right side stand, baffle and second lift drive, front column and rear column are located the place ahead and the rear of unreeling part respectively, and front end and the rear end of baffle are connected with front column and rear column respectively, during the use, the clamping jaw of cladding subassembly is cliied the last packaging film of unreeling after, can upwards remove last packaging film, make last packaging film pass between baffle and the unreeling part, the second lift drive can drive the baffle and upwards move along with last packaging film is synchronous, then cladding subassembly can drive last packaging film and move left, so that go up packaging film and lower packaging film enclose into the cavity of rectangle jointly, cooperation conveyor's operation, the sofa penetrates in the cavity of rectangle, can realize going up packaging film and lower packaging film and the parcel of sofa, be favorable to avoiding going up packaging film and causing the problem of hindrance to the sofa, be favorable to avoiding waiting to remove the problem that can realize the tensile of last packaging film to put in place the rear, be favorable to the improvement of this automation production demand for packing plant.

According to some embodiments of the utility model, the first sewing end and the second sewing end each comprise a forward and backward translational drive, an objective table, a hemming cylinder and a sewing machine, wherein the hemming cylinder and the sewing machine are connected to the objective table, the hemming cylinder is positioned at the rear of the sewing machine, and the forward and backward translational drive is used for driving the objective table to slide forward and backward.

In order to further improve stability and the roughness of wrapping bag department of sealing, a hem section of thick bamboo and sewing machine are all connected on the objective table, a hem section of thick bamboo is located the rear of sewing machine, but translation drive objective table backward moves around, thereby make and go up packaging film and lower packaging film and penetrate a hem section of thick bamboo jointly, under the guiding effect of a hem section of thick bamboo, make and go up packaging film and lower packaging film common fifty percent discount, under the sewing effect of cooperation sewing machine, make last packaging film and lower packaging film sewing connection as an organic whole after the fifty percent discount, be favorable to reinforcing wrapping bag stability at the department of sealing, and through last packaging film and lower packaging film turn over in a hem section of thick bamboo, be favorable to making wrapping bag left border and trailing edge keep leveling, in order to realize later stage transportation.

According to some embodiments of the present utility model, the conveying device includes a first conveying end and a second conveying end extending back and forth, the first conveying end and the second conveying end are arranged at left and right intervals, the left movement assembly includes a first fixing frame, a first sliding frame and a left and right sliding drive, the left and right sliding drive is used for driving the first sliding frame to slide left and right relative to the first fixing frame, and the first conveying end, the first sewing end, the first pressing end and the transverse pushing member are all connected with the first sliding frame.

Considering that the width of different sofas has the difference, conveyor includes the first conveying end and the second conveying end that extend from beginning to end, and first conveying end and second conveying end all are the back-and-end extension, under the synchronous transport effect of first conveying end and second conveying end, can realize the sofa from back to end carry, first conveying end and second conveying end are control interval arrangement, and first conveying end is connected on first slipping frame, the drive of sliding about can drive first slipping frame relative first mount slides about, and then adjust the interval between first conveying end and the second conveying end, make this sofa packing plant be applicable to the packing of various sofas, the adaptation, first sewing end, first hold down end and horizontal pushing component all are connected with first slipping frame, so as to ensure that first sewing end can realize the seal to last packaging film and lower packaging film, first hold down can realize the laminating to last packaging film and lower packaging film, and horizontal pushing component can promote the right movement, so that the space between wrapping bag and the sofa is more hugged closely to the surface of sofa.

According to some embodiments of the utility model, the first compacting end and the second compacting end each comprise a pressing plate, a linkage mechanism, and a linear drive, the pressing plates being rotationally connected to the linkage mechanism, the linear drive being for driving the linkage mechanism to expand or collapse so that the pressing plates approach or depart from a conveying surface of the conveying device.

The first hold-down end and the second hold-down end all include clamp plate, link mechanism and linear drive, but linear drive link mechanism expands or folds, and the clamp plate is connected with link mechanism, when linear drive link mechanism expands, can make the clamp plate be close to toward conveyor's transport face, in order to realize the clamp plate to last packaging film and lower packaging film's the pushing down, and the clamp plate can realize the spacing to the sofa, realize going up packaging film and lower packaging film and sofa hug closely, but linear drive link mechanism is folding, in order to make the baffle keep away from conveyor, thereby avoid the baffle to cause the problem of hindrance to the transportation of sofa to appear.

According to some embodiments of the utility model, the coil feeding device further comprises a press roller set and a blowing end, wherein the press roller set is provided with an upward discharge hole, the press roller set and the blowing end are both positioned above the press roller set, the press roller set and the blowing end can move up and down, the press roller set and the blowing end are respectively positioned in front of and behind the discharge hole, and the blowing opening of the blowing end is arranged towards the press roller set.

In order to enable the lower packaging film to be clung to the conveying surface of the conveying device and conveyed forwards, the coil conveying device further comprises a pressing roller set and a blowing end, the pressing roller set and the blowing end can move up and down, when the pressing roller set and the blowing end move down to one end close to the discharging port, the pressing roller set and the blowing end are respectively located in front of and behind the discharging port, an air blowing port of the blowing end is arranged towards the pressing roller set, the lower packaging film sent out from the discharging port is enabled to be close to the pressing roller set under the effect of the blowing end, the lower packaging film is enabled to be clung to the pressing roller set, and under the rotating effect of the pressing roller set, the lower packaging film can be unreeled to the conveying surface of the conveying device, so that the problem that the lower packaging film is folded and piled up on the conveying surface of the conveying device is avoided, and the lower packaging film is enabled to be kept to be flatly conveyed forwards.

According to some embodiments of the utility model, the feeding device comprises a roller drive, a left limiting plate, a right limiting plate and an adjusting translation drive, wherein the roller drive is positioned below the left limiting plate and the right limiting plate, and the conveying direction of the roller drive is from back to front, and the adjusting translation drive is used for driving the left limiting plate and the right limiting plate to be close to or far away from each other.

Considering that the sofa of material loading has the inaccurate problem of counterpoint, this sofa packing plant still includes roller drive, left limiting plate, right limiting plate and adjusts translation drive, roller drive is located the below of left limiting plate and right limiting plate, and roller drive's direction of delivery is from back to the front, when sofa material loading to roller drive, can make the sofa carry to between left limiting plate and the right limiting plate, adjust translation drive can drive left limiting plate and right limiting plate and be close to each other, so that the sofa clamp locates between left limiting plate and the right limiting plate, under the butt effect of left limiting plate and right limiting plate, can correct the put position of sofa, so that the sofa can with follow-up left motion subassembly and right motion subassembly cooperation, in order to realize the automatic package of sofa.

According to some embodiments of the utility model, the unreeling component further comprises a fixed plate, a clamping plate and a clamping drive, wherein the clamping drive is in transmission connection with the clamping plate, the wind-up roll can unreel the upper packaging film between the fixed plate and the clamping plate, and the clamping drive is used for driving the clamping plate to be close to or far from the fixed plate.

In order to realize the centre gripping and the tensile of cladding subassembly to last packaging film, unreel the part and still include fixed plate, splint and centre gripping drive, the wind-up roll can unreel last packaging film to between fixed plate and the splint, the centre gripping drive can drive splint and fixed plate and be close to each other, in order to press from both sides the last packaging film that lies in between fixed plate and the splint, in order to fix the position of last packaging film, make the clamping jaw fixed point remove can realize the centre gripping to last packaging film after putting in place, in order to ensure to cover in the top of sofa after going up the packaging film tensile, go up the packaging film and realize the parcel to the sofa jointly with lower packaging film.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

Fig. 1 is a perspective view of a sofa packing device according to an embodiment of the present utility model;

fig. 2 is a front view of a sofa packaging device according to an embodiment of the present utility model;

fig. 3 is a perspective view of a suspension bar, a first telescopic drive and a first lifting drive of a sofa packaging device according to an embodiment of the present utility model;

fig. 4 is a perspective view of another view angle of a suspension bar, a first telescopic drive and a first lifting drive of a sofa packaging device according to an embodiment of the present utility model;

fig. 5 is a perspective view of a transverse pushing component of the sofa packaging device according to the embodiment of the utility model;

fig. 6 is a perspective view of a wrapping assembly of a sofa packing device according to an embodiment of the present utility model;

fig. 7 is a perspective view of another view of a wrapping assembly of a sofa packing device according to an embodiment of the present utility model.

Reference numerals:

100. a conveying device; 110. a first delivery end; 120. a second delivery end; 210. a first sewing end; 220. a first compression end; 230. a lateral pushing member; 231. a transverse movement drive; 232. a push rod; 240. a first fixing frame; 250. a first slip frame; 310. a second sewing end; 320. a second compression end; 321. a pressing plate; 322. a link mechanism; 323. linear driving; 330. an unreeling component; 400. a cladding assembly; 410. a cross beam frame; 421. a first transmission rod; 422. a first belt; 423. a first slider; 424. a transmission gear; 425. a rack; 426. a second transmission rod; 427. a connecting rod; 430. a clamping jaw; 500. a suspension assembly; 510. a first telescopic drive; 511. a first drive chain; 512. a second slider; 520. a first lifting drive; 521. a second drive chain; 522. a third transmission rod; 523. a connecting plate; 530. a suspension rod; 600. and a limiting component.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is included in the embodiment of the present utility model, the directional indication is merely used to explain a relative positional relationship, a movement condition, and the like between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or", "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B ", including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The following describes with reference to fig. 1 to 7, and according to the sofa packaging device provided by the embodiment of the utility model, through structural design, automatic packaging of a sofa can be realized, and packaging films can be more compact in packaging of the sofa.

It will be appreciated that referring to fig. 1 and 2, a sofa packing device according to an embodiment of the present utility model includes a conveying device 100, a coil feeding device, a left moving assembly, a right moving assembly, and a packing assembly 400.

Referring to fig. 1 and 2, the conveying device 100 may be a belt conveying mechanism, and the conveying direction of the conveying device 100 is from back to front, so as to realize the conveying of the sofa from back to front. The roll feeding device is located at the rear of the conveying device 100, so that the lower packaging film is unreeled to the conveying surface of the conveying device 100, after the sofa is fed, the lower packaging film is located below the sofa, and the sofa and the lower packaging film are conveyed forwards together.

It can be appreciated that the roll feeding device comprises a roll feeding set and a slitting end, the roll feeding set comprises at least two roll bars extending left and right, the two roll bars are arranged front and back, an upward feeding port is formed between the two roll bars, so that the lower packaging film is unreeled to the feeding port, and the lower packaging film can be unreeled to the conveying surface of the conveying device 100 by matching with the conveying function of the conveying device 100.

After the length of unreeling the lower packaging film onto the conveying surface of the conveying device 100 reaches a set threshold value, a worker can feed the sofa to the conveying device 100, the sofa is pressed above the lower packaging film and conveyed along with the conveying device 100, the lower packaging film and the sofa are conveyed forwards together, and the lower packaging film is wrapped below the whole sofa.

The cutting end can be a cutter, and the coil feeding device can pass through the linear driving device to drive the cutter to slide left and right, and the cutter is abutted with the lower packaging film to realize the cutting of the lower packaging film, and the lower packaging film after the cutting is finished and the sofa are conveyed forwards together. The linear driving device can be an oil cylinder, an air cylinder, a belt type conveying mechanism and the like.

It will be appreciated that referring to fig. 1 and 2, the left motion assembly is located to the left of the conveyor 100, and the right motion assembly is located to the right of the conveyor 100, with the left and right motion assemblies being disposed in side-to-side opposition.

The left moving assembly includes a first sewing end 210 movable in the fore-and-aft direction, a first pressing end 220 which can approach or separate from the conveying device 100, and a lateral pushing member 230. Correspondingly, the right moving assembly includes a second sewing end 310 movable in the fore-and-aft direction, a second pressing end 320 movable toward and away from the conveying device 100, and an unreeling member 330.

The transverse pushing component 230 comprises a transverse moving drive 231 and a push rod 232 extending forwards and backwards, and the transverse moving drive 231 can drive the push rod 232 to horizontally move. The unreeling part 330 comprises a forward and reverse rotating motor and a reeling roller, the reeling roller can be connected with the upper packaging film, and the forward and reverse rotating motor can drive the reeling roller to rotate forward or reversely so as to unreel or reel the upper packaging film.

The wrapping assembly 400 is erected above the conveying device 100, and the wrapping assembly 400 is used for stretching the upper packaging film unwound by the unwinding component 330 to the upper side of the conveying device 100, and is matched with the conveying function of the conveying device 100, so that the upper packaging film and the lower packaging film are respectively arranged above and below the sofa.

When the sofa is used, under the action of the roller set, the lower packaging film can be unreeled onto the conveying surface of the conveying device 100 by the roller set, and the lower packaging film can be placed below the sofa by matching with the feeding of the sofa, and the sofa and the lower packaging film are conveyed forwards together.

The right motion assembly includes unreeling part 330, unreels part 330 and is used for unreeling and rolling up the packaging film, cladding subassembly 400 is used for with the top of unreeling last packaging film tensile to conveyor 100, so that the sofa is arranged in between last packaging film and the lower packaging film, the first end 220 that compresses tightly of left motion assembly operates, first end 220 is close to conveyor 100, thereby make the left edge of going up the packaging film hug closely with the left edge of lower packaging film, first sewing end 210 can follow the fore-and-aft direction activity, thereby realize going up the left edge of packaging film and the left edge of lower packaging film and sew up.

Then the first compressing end 220 is far away from the conveying device 100, the second compressing end 320 is close to the conveying device 100, the second compressing end 320 can limit the right end of the sofa, the right edge of the upper packaging film is tightly attached to the right edge of the lower packaging film, the transverse pushing component 230 operates, the transverse pushing driving 231 drives the push rod 232 to move to the right, the winding of the upper packaging film can be realized by the winding roller, the upper packaging film is reversely pulled out, the sofa is close to the second compressing end 320, the sealing positions of the left ends of the upper packaging film and the lower packaging film are tightly attached to the sofa, the gap between the packaging bag and the left end of the sofa is reduced, the sofa moves to the second compressing end 320, and the gap between the packaging bag and the right end of the sofa can be reduced.

Then the second sewing end 310 can realize the sewing to the right edge of the upper packaging film and the right edge of the lower packaging film, thereby realizing the sealing of the upper packaging film and the lower packaging film at the left and right ends, being favorable for improving the packaging efficiency and reducing the labor intensity of workers.

It can be appreciated that referring to fig. 5, the lateral movement driving 231 is an oil cylinder or an air cylinder, and along the front-back direction of the push rod 232, the lateral movement driving 231 is multiple, and the lateral movement driving 231 is all connected with the push rod 232, so that the push rod 232 can push the sofa, the sofa can be made to approach the second compressing end 320, the back suction of the upper packaging film is matched, the left end of the upper packaging film can be made to move upwards, and the connection part of the left end of the upper packaging film and the right packaging film is driven to be clung to the sofa, namely, the gap between the packaging bag and the left end of the sofa is reduced.

Specifically, the push rod 232 is cylindrical, so that the upper packaging film can be pulled upwards from the gap between the push rod 232 and the sofa, and the left ends of the upper packaging film and the lower packaging film are attached to the sofa.

It will be appreciated that referring to fig. 6 and 7, the sheathing assembly 400 includes a left-right extending cross beam 410, a movable mechanism, and jaws 430. The left end and the right end of the beam frame 410 are respectively connected with the left moving component and the right moving component, that is, the beam frame 410 is erected above the conveying device 100, and a movable mechanism is connected to the beam frame 410 and can drive the clamping jaw 430 to move up and down and left and right.

Specifically, the beam frame 410 includes a first beam and a second beam, where the first beam and the second beam are both disposed in a left-right extending manner, and the first beam and the second beam are disposed in a front-back interval, and the moving mechanism includes a first motor, a first transmission rod 421, a first transmission belt 422, and a first sliding block 423. The two ends of the first transmission rod 421 are arranged in a front-back extending way, and the first motor is in transmission connection with the first transmission rod 421 to drive the first transmission rod 421 to rotate forward or reversely. The front end and the rear end of the first transmission rod 421 are both connected with a first transmission wheel, the first transmission wheel is rotationally connected with the beam frame 410, the right ends of the first beam and the second beam are both rotationally connected with a second transmission wheel, a first transmission belt 422 is wound between the first transmission wheel and the second transmission wheel, the front end of the first sliding block 423 is connected with the first transmission belt 422 in front, the rear end of the first sliding block 423 is connected with the first transmission belt 422 in rear, the first motor drives the first transmission rod 421 to rotate, and then the front transmission belt 422 and the rear transmission belt 422 are driven to synchronously rotate, so that the first sliding block 423 slides left and right to realize left and right driving of the clamping jaw 430.

The movable mechanism further comprises a second motor, a second transmission rod 426, a transmission gear 424, racks 425 and a connecting rod 427, wherein two ends of the second transmission rod 426 are arranged in a front-back extending mode, the second motor and the second transmission rod 426 are connected to the first sliding block 423, the second motor is used for driving the second transmission rod 426 to rotate forward or overturn, the front end and the rear end of the second transmission rod 426 are connected with the transmission gear 424, the front end and the rear end of the connecting rod 427 are connected with racks 425 extending upwards, the racks 425 are in one-to-one correspondence with the transmission gears 424 and are in meshed transmission, a plurality of clamping claws 430 are arranged, and the clamping claws 430 are connected to the connecting rod 427 and are arranged at intervals along the connecting rod 427.

When the unreeled packaging film is required to be clamped and stretched, the first motor is operated to drive the first transmission rod 421 to rotate, the first transmission rod 421 rotates through the first transmission wheels at the left end and the right end, and then the first transmission belt 422 wound between the first transmission wheel and the second transmission wheel is driven to rotate positively or reversely, the front end of the first sliding block 423 is connected with the first transmission belt 422, the rear end of the first sliding block 423 is connected with the second transmission belt, and accordingly the first sliding block 423 can be driven to move rightwards, and after the first sliding block 423 approaches to a right motion assembly. The second motor operates, the second motor can drive the second transmission rod 426 to rotate, the second transmission rod 426 is driven by the meshing transmission of the transmission gears 424 at the left end and the right end and the rack 425, so that the connecting rod 427 can be driven to descend to one side close to the unreeling part 330, the upper packaging film unreeled at the unreeling part 330 can be clamped by the clamping jaw 430, then the connecting rod 427 moves upwards and resets leftwards, the upper packaging film and the lower packaging film can jointly enclose a cavity for the sofa to penetrate, and the left movement assembly and the right movement assembly are matched to realize the packaging of the upper packaging film and the lower packaging film on the sofa.

It will be appreciated that, referring to fig. 1 and 2, in order to improve the packaging efficiency of the sofa, the sofa packaging device further includes a limiting assembly 600, and the limiting assembly 600 is disposed at the left side of the unreeling component 330, where the limiting assembly 600 includes a front upright, a rear upright, a baffle and a second lifting drive, the front upright and the rear upright are respectively disposed in front of and behind the unreeling component 330, the front end and the rear end of the baffle are respectively movably connected with the front upright and the rear upright, the front end and the rear end of the baffle respectively slide along the up-down direction with the front upright and the rear upright, and the second lifting drive is in transmission connection with the baffle to drive the baffle to move up and down.

When the sofa packaging film packaging machine is used, after the clamping jaw 430 of the packaging assembly 400 clamps the unreeled upper packaging film, the upper packaging film can be moved upwards, the upper packaging film can pass through the space between the baffle and the unreeled component 330, the baffle can be driven by the second lifting drive to move upwards along with the upper packaging film synchronously, then the packaging assembly 400 can drive the upper packaging film to move right, under the limiting effect of the baffle, the upper packaging film is arranged in an L shape, so that the upper packaging film and the lower packaging film jointly enclose into a rectangular cavity, the sofa is matched with the operation of the conveying device 100 to penetrate into the rectangular cavity, and the packaging of the upper packaging film and the lower packaging film to the sofa can be realized.

If cladding subassembly 400 moves before the sofa is in place, goes up the packaging film and receives self gravity influence and lead to the sagging, and the packaging film of sagging is located the transportation orbit of sofa to influence the transportation of sofa, this sofa packing plant passes through the setting of spacing subassembly 600, through the spacing of baffle to last packaging film, thereby increase the cavity that encloses between last packaging film and the lower packaging film, cooperation conveyor 100's transport effect can make the sofa penetrate between last packaging film and the lower packaging film, thereby can save latency, improve the packing efficiency to the sofa.

If the wrapping assembly 400 is moved after the sofa is in place, the upper wrapping film can be covered above the sofa, but the wrapping time of the whole sofa is inevitably prolonged, which is not beneficial to improving the efficiency of packing the sofa.

It is understood that the second lifting drive may include a driving motor, a belt and a driving wheel, where at least two driving wheels are rotatably connected to the upper end and the lower end of the front upright, the belt is wound between the upper and lower driving wheels, the driving motor may drive the belt to rotate forward or reverse, and the front end of the baffle is connected to the belt, so as to drive the baffle to lift, and provide a supporting point close to the right movement assembly for the upper packaging film, so that the upper packaging film and the lower packaging film together form a cavity into which the sofa can penetrate.

It will be appreciated that, with reference to fig. 3 and 4, considering that the partial sofa has corners, when the wrapping film is applied along the contour of the sofa, the edges of the slit upper wrapping film are not flush, which is detrimental to the next gripping and packaging of the upper wrapping film. For example, when a part of the sofa is L-shaped and the sofa is placed on the conveying device 100, the length direction of the sofa is generally consistent with the conveying direction of the conveying device 100, if the upper packaging film and the lower packaging film are tightened along the outline of the sofa, the sofa can be tightly packaged, but the edges of the cut upper packaging film are not flush, and the wrapping assembly 400 is difficult to clamp the upper packaging film. The sofa packaging assembly therefore also includes a suspension assembly 500. The suspension assembly 500 includes a forward telescoping suspension bar 530, and the abutment of the suspension bar 530 against the upper packaging film compensates for the gap of the sofa to allow the edges of the cut upper packaging film to be more flush.

Specifically, the suspension assembly 500 includes a frame body, a first telescopic driving unit 510, a first lifting driving unit 520 and a suspension rod 530, where the suspension rod 530 extends back and forth, the first telescopic driving unit 510 and the first lifting driving unit 520 are both connected to the frame body, the frame body includes a first upright and a second upright that extend up and down, and the first upright and the second upright are arranged at intervals.

The first elevation drive 520 includes a third motor, a third transmission rod 522, a second transmission chain 521, a first sprocket, and a connection plate 523. The front end and the rear end of the third driving rod 522 are respectively connected with the first upright post and the second upright post in a rotating way, the front end and the rear end of the third driving rod 522 are respectively connected with first chain wheels, the lower ends of the first upright post and the second upright post are respectively connected with first chain wheels in a rotating way, a second driving chain 521 is wound between the upper first chain wheel and the lower first chain wheel, and the front end and the rear end of the connecting plate 523 are respectively connected with the front second driving chain 521 and the rear second driving chain 521. Under the driving action of the third motor, the front and rear second transmission chains 521 can be synchronously rotated, so as to drive the connecting plate 523 to move up and down, and the suspension rod 530 is connected with the connecting plate 523, so as to realize lifting driving of the suspension rod 530.

The first telescopic drive 510 includes a fourth motor, a first drive chain 511, a second sprocket and a second slider 512. The left surface department rotation of connecting plate 523 is connected with two second sprockets, and two second sprockets are front and back interval arrangement, and first drive chain 511 winds between two second sprockets, and the fourth motor is connected with one of them second sprocket transmission to drive first drive chain 511 corotation or reversal, and second sliding block 512 is connected with first drive chain 511, so as to drive second sliding block 512 back and forth movement, and the rear end of cantilever 530 is connected with second sliding block 512, thereby drives cantilever 530 to stretch out and draw back around.

The first lifting drive 520 can be used for driving the suspension rod 530 to move up and down so as to adjust the height position of the suspension rod 530, and the first telescopic drive 510 can be used for driving the suspension rod 530 to move back and forth so that the suspension rod 530 can be arranged between the left moving assembly and the right moving assembly, when the wrapping assembly 400 stretches the unreeled upper packaging film, the suspension rod 530 can compensate the cavity existing at the corner of the sofa, and the upper packaging film and the lower packaging film can form a wrapping cavity with the same front-back volume, so that the edges of the upper packaging film after being cut are more flush, so that the wrapping assembly 400 can continuously clamp and stretch the upper packaging film for multiple times, and the efficiency of sofa packaging can be improved.

As can be appreciated, referring to fig. 1 and 2, to further improve the stability and flatness of the package seal, the first sewing end 210 and the second sewing end 310 each include a forward and backward translation drive, stage, hemming cylinder and sewing machine. The hemming cylinder and the sewing machine are connected to the objective table, the hemming cylinder is located at the rear of the sewing machine, and the front-back translation driving is used for driving the objective table to slide back and forth.

The hem section of thick bamboo and sewing machine all connect on the objective table, the hem section of thick bamboo is located sewing machine's rear, but translation drive objective table backward moves, thereby make and go up packaging film and lower packaging film and penetrate in the hem section of thick bamboo jointly, under the guiding effect of hem section of thick bamboo, make and go up packaging film and lower packaging film common fifty percent discount, under the sewing effect of cooperation sewing machine, make last packaging film and lower packaging film sewing connection as an organic whole after the fifty percent discount, be favorable to reinforcing wrapping bag in the stability of sealing the department, and turn over the book in the hem section of thick bamboo through last packaging film and lower packaging film, be favorable to making wrapping bag left border and back border remain level, in order to realize the transportation of later stage.

The flanging barrel comprises a barrel body and a first guide piece, a first cavity and a second cavity which are vertically arranged are arranged in the barrel body, the first cavity is longitudinally and longitudinally penetrated, the first cavity is opened towards the left, the edges of an upper packaging film and a lower packaging film can be gradually folded into two so as to facilitate the sealing of a packaging bag under the binding of a sewing machine, compared with the mode of simply superposing two layers of packaging films, the first guide piece is mutually communicated with the right end of the second cavity, and extends from back to front, under the guiding action of the first guide piece, the upper packaging film and the lower packaging film can be folded from the first cavity to the second cavity, and the first cavity is from back to front to left, after the upper packaging film and the lower packaging film penetrate into the second cavity, the edges of the upper packaging film and the lower packaging film can be gradually folded, the sealing of the packaging bag can be realized under the binding of the sewing machine, the flanging of the upper packaging film and the lower packaging film can be realized by adopting the flanging barrel in comparison with the mode of simple superposition of the two layers of packaging films, the flanging can be matched with the sealing machine, the sealing effect of the sofa can be more smoothly improved, and the stability of the sofa can be improved, and the stability of the packaging bag can be more improved, and the stability of the sofa can be more sealed by the sealing effect of the sealing of the sofa can be more sealed.

The front-back translation drive comprises a guide rail, a drive motor, a belt and rollers, the belt is wound on the front roller and the rear roller, the drive motor is used for driving the rollers to rotate, the belt is driven to rotate forward or reversely, the two ends of the guide rail are arranged in a front-back extending mode, the rollers are rotationally connected with the guide rail, the objective table is slidingly connected with the guide rail, the lower end of the objective table is connected with the belt, and the objective table can reciprocate in the front-back direction along with the forward rotation or the reverse rotation of the belt.

The second sewing end 310 of the right moving assembly further comprises a cutter, wherein the cutter is connected to the objective table and located at the rear of the hemming cylinder, namely, when the objective table moves backwards, the cutter is abutted with the upper packaging film, so that the upper packaging film is cut.

It will be appreciated that, referring to fig. 2, considering that the width of different sofas varies, the conveying device 100 includes a first conveying end 110 and a second conveying end 120 extending back and forth, the first conveying end 110 and the second conveying end 120 are arranged at a left-right interval, the left moving assembly includes a first fixing frame 240, a first sliding frame 250 and a left-right sliding drive, the left-right sliding drive is used for driving the first sliding frame 250 to slide left and right relative to the first fixing frame 240, and the first conveying end 110, the first sewing end 210, the first pressing end 220 and the lateral pushing member 230 are all connected with the first sliding frame 250.

The first conveying end 110 and the second conveying end 120 are belt conveying mechanisms, the first conveying end 110 and the second conveying end 120 extend front and back, the sofa can be conveyed from back to front under the synchronous conveying effect of the first conveying end 110 and the second conveying end 120, the first conveying end 110 and the second conveying end 120 are arranged at left and right intervals, the first conveying end 110 is connected to the first sliding frame 250, the left and right sliding driving can drive the first sliding frame 250 to slide left and right relative to the first fixing frame 240, and the distance between the first conveying end 110 and the second conveying end 120 is adjusted, so that the sofa packaging device can be suitable for packaging of various sofas.

The first sewing end 210, the first pressing end 220 and the transverse pushing component 230 are all connected with the first sliding frame 250 in an adapting mode, so that the first sewing end 210 can seal the upper packaging film and the lower packaging film, the first pressing end 220 can be used for attaching the upper packaging film and the lower packaging film, and the transverse pushing component 230 can push the sofa to move to the right so as to tighten a gap between the packaging bag and the sofa, and the packaging bag is clung to the surface of the sofa.

Specifically, the left-right sliding driving can be a linear driving mechanism such as an oil cylinder, an air cylinder, a linear motor and the like.

It will be appreciated that, similarly, the right motion assembly includes a second fixed frame, a second sliding frame, and a left-right sliding drive for driving the second sliding frame to slide left and right relative to the second fixed frame, and the second conveying end 120, the second sewing end 310, the second pressing end 320, and the unreeling component 330 are all connected to the second sliding frame. The left-right sliding driving can drive the second sliding frame to slide left and right relative to the second fixing frame, so that the distance between the first conveying end 110 and the second conveying end 120 is adjusted, and the sofa packaging device can be suitable for packaging various sofas.

It will be appreciated that, referring to fig. 2, to achieve clamping and stretching of the upper packaging film by the wrapping assembly 400, the unreeling component 330 further includes a fixing plate, a clamping plate, and a clamping drive in driving connection with the clamping plate, the wind-up roller can unreel the upper packaging film between the fixing plate and the clamping plate, and the clamping drive is used for driving the clamping plate to approach or depart from the fixing plate.

The wind-up roll can unreel the upper packaging film between the fixed plate and the clamping plate, the clamping drive can drive the clamping plate and the fixed plate to mutually approach to clamp the upper packaging film between the fixed plate and the clamping plate so as to fix the position of the upper packaging film, so that the clamping jaw 430 can realize the clamping of the upper packaging film after moving to the fixed point, the upper packaging film can be ensured to cover the upper part of the sofa, and the upper packaging film and the lower packaging film jointly realize the wrapping of the sofa.

It will be appreciated that, in order to facilitate the clamping of the packaging film by the clamping jaw 430, the front sides of the fixing plate and the clamping plate are provided with notches, the notches are provided with a plurality of notches along the front-rear direction of the fixing plate and the clamping plate, and the clamping jaw 430 faces the fixing plate and is connected to the movable mechanism.

The unreeling component 330 can unreel an upper packaging film between the fixed plate and the clamping plate, the clamping driving drives the clamping plate to be pressed down onto the fixed plate, the upper packaging film is clamped and positioned, the movable mechanism drives the clamping jaw 430 to be close to the upper packaging film clamped between the fixed plate and the clamping plate, the clamping jaw 430 grabs the upper packaging film, then the clamping driving drives the clamping plate to move upwards away from the fixed plate, at the moment, the movable mechanism can drive the clamping jaw 430 to bypass the baffle and reach the upper side of the conveying device 100, the upper packaging film is paved on the top side of the sofa for package protection, and after the upper packaging film is compressed by the first compressing end 220, the clamping jaw 430 returns to reset.

It will be appreciated that a plurality of unreeling members 330 are provided, and a plurality of unreeling members 330 are arranged at intervals in the up-down direction, and different unreeling members 330 may be provided with packaging bags of different widths, so that the present invention is applicable. And the fixed plate, the clamping plate and the clamping drive are used as a group, a plurality of groups of winding rollers are arranged on the second fixing frame where the right motion assembly is arranged along the up-down direction, and the winding rollers are correspondingly unreeled between the plurality of groups of fixed plates and the clamping plate respectively. When the clamping jaw 430 is used for packaging the sofa by selecting the upper packaging film, the sofa can be moved to different unreeling parts 330 for clamping according to the needs, so that the use flexibility is improved.

It will be appreciated that referring to fig. 2, the first compacting end 220 and the second compacting end 320 each include a pressing plate 321, a linkage 322, and a linear drive 323, wherein the pressing plate 321 is rotatably connected to the linkage 322, and the linear drive 323 is configured to drive the linkage 322 to unfold or fold so that the pressing plate 321 approaches or moves away from the conveying surface of the conveying device 100.

When the linear driving 323 can drive the link mechanism 322 to be unfolded, the pressing plate 321 can be made to approach the conveying surface of the conveying device 100, so that the pressing plate 321 can press down the upper packaging film and the lower packaging film, the pressing plate 321 can limit the sofa, the upper packaging film and the lower packaging film can be tightly attached to the sofa, the linear driving 323 can drive the link mechanism 322 to be folded, the baffle is made to be far away from the conveying device 100, and the problem that the baffle blocks the conveying of the sofa is avoided.

Taking the left moving component as an example, the linear driving 323 and the link mechanism 322 are both connected to the first sliding frame 250, and the pressing plate 321 and the linear driving 323 are both connected to the link mechanism 322. The link mechanism 322 at least comprises three links, two links are parallel to each other, one end of each link is rotatably connected to the first fixing frame 240, the other end of each link is rotatably connected to the third link, the pressing plate 321 is connected to the bottom end of the third link, and the linear driving 323 transmits power to any one of the links. The link mechanism 322 can be unfolded and folded for storage, the linear driving 323 drives the link mechanism 322 to be unfolded, at the moment, the pressing plate 321 can be driven to move to the first conveying end 110, the upper packaging film positioned on the upper side of the sofa is pressed down on the lower packaging film positioned on the bottom side of the sofa, when the first sewing end 210 is used for sewing the upper packaging film and the lower packaging film together, the linear driving 323 drives the link mechanism 322 to be folded, at the moment, the pressing plate 321 can be driven to move and retract to the first sliding frame 250.

The second compressing end 320 of the right moving assembly has the same structure as the first compressing end 220, and will not be described herein.

It will be appreciated that, in order to enable the lower packaging film to be tightly attached to the conveying surface of the conveying device 100 and conveyed forward, the coil conveying device further includes a press roller set and a blowing end, the press roller set has an upward discharge hole, the press roller set and the blowing end are both located above the press roller set, and the press roller set and the blowing end can both move up and down.

When compression roller group and blow the material end and move down to the one end that is close to the discharge gate, compression roller group and blow the material end and be located the place ahead and the rear of discharge gate respectively, and blow the gas port that the material was held towards compression roller group setting, under the effect of blowing the material end, make the lower packaging film that sends out from the discharge gate be close to compression roller group, and make the lower packaging film hug closely on compression roller group, under the rotatory effect of compression roller group, thereby can unreel lower packaging film to conveyor 100's transport face on, thereby avoid lower packaging film to fold, the accumulational problem appears on conveyor 100's transport face, be favorable to making lower packaging film keep tiling to carry forward.

The compression roller group comprises a portal frame, a roll feeding lifting drive, a roll feeding lifting frame and a lower compression roller, wherein the portal frame is connected to the top side of the roll feeding group, the roll feeding lifting drive is connected to the portal frame, the roll feeding lifting frame is connected to the roll feeding lifting drive, the roll feeding lifting drive can drive the roll feeding lifting frame to move up and down, and the lower compression roller is rotationally connected to the roll feeding lifting frame by a rotation axis in the left-right direction.

The periphery of lower compression roller is provided with the annular groove, and the annular groove is arranged along controlling the direction and is had a plurality ofly, blows the material end including being connected to the gas blow pipe that send on the roll lifting frame, and the gas blow pipe is arranged along controlling the direction interval and is had a plurality ofly.

In practical application, a plurality of air blowing pipes can be connected with different air supply sources through pipelines, or the same air supply source can be an air pump, an air blowing valve and the like, the plurality of air blowing pipes are respectively right opposite to a plurality of annular grooves, and one end of each air blowing pipe right opposite to each annular groove is an air blowing end. The lower packaging film is continuously sent out at the discharge hole, when the roll feeding lifting drive drives the roll feeding lifting frame to move downwards, the lower packaging film is further leveled and conveyed by the lower pressing roller, and in the conveying process, the lower packaging film at the discharge hole can be blown to one side deviating from the conveying device 100 through the annular groove by the air flow blown out from the blowing end, so that the lower packaging film can be smoothly conveyed to the left conveying end and the right conveying end, and the lower packaging film is prevented from being folded when being moved to the first conveying end 110 and the second conveying end 120.

It can be appreciated that considering that the loading sofa has the problem of misalignment, the sofa packaging device further comprises a loading device, the coil feeding device is located between the loading device and the conveying device 100, the loading device comprises a roller type driving device, a left limiting plate, a right limiting plate and an adjusting translation driving device, the roller type driving device is located below the left limiting plate and the right limiting plate, the conveying direction of the roller type driving device is from back to front, and the adjusting translation driving device is used for driving the left limiting plate and the right limiting plate to be close to or far away from.

When sofa material loading to roller type drive, can make the sofa carry to between left limiting plate and the right limiting plate, adjust translation drive can drive left limiting plate and right limiting plate and be close to each other to make the sofa press from both sides and locate between left limiting plate and the right limiting plate, under the butt effect of left limiting plate and right limiting plate, can correct the put position of sofa, in order to make the sofa can cooperate with follow-up left motion subassembly and right motion subassembly, in order to realize the automatic packaging of sofa. The adjustment translation driving can be a linear driving mechanism such as an oil cylinder, an air cylinder and the like.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A sofa packaging assembly, comprising:

a conveying device (100) for conveying the sofa from back to front;

the roll feeding device is positioned at the rear end of the conveying device (100) and comprises a roll feeding group and a cutting end, wherein the roll feeding group is used for unreeling the lower packaging film to the conveying surface of the conveying device (100), and the cutting end can move left and right so as to cut off the lower packaging film;

a left moving assembly positioned at the left side of the conveying device (100), wherein the left moving assembly comprises a first sewing end (210) moving along the front-back direction, a first pressing end (220) capable of approaching to or separating from the conveying device (100), and a transverse pushing component (230), the transverse pushing component (230) comprises a transverse moving drive (231) and a push rod (232) extending forwards and backwards, and the transverse moving drive (231) can drive the push rod (232) to move left and right;

the right movement assembly is positioned on the right side of the conveying device (100), and comprises a second sewing end (310) which moves along the front-back direction, a second pressing end (320) which can approach or separate from the conveying device (100), and an unreeling part (330), wherein the unreeling part (330) comprises a forward and reverse rotating motor and a winding roller, the forward and reverse rotating motor is used for driving the winding roller to forward rotate or reverse rotate, and the winding roller is used for unreeling and winding an upper packaging film;

And the wrapping assembly (400) is erected above the conveying device (100), and the wrapping assembly (400) is used for stretching the upper packaging film unreeled by the unreeling component (330) to the upper part of the conveying device (100).

2. The sofa packaging assembly according to claim 1, further comprising a first telescopic drive (510), a first lifting drive (520) and a suspension rod (530) extending back and forth, wherein the first lifting drive (520) is configured to drive the suspension rod (530) to move up and down, wherein the first telescopic drive (510) is configured to drive the suspension rod (530) to move back and forth, and wherein the suspension rod (530) is movable between the left and right motion assemblies and is located below the covering assembly (400).

3. The sofa packaging assembly according to claim 1, wherein the wrapping assembly (400) comprises a left and right extending cross beam frame (410), a movable mechanism and a clamping jaw (430), wherein the left end and the right end of the cross beam frame (410) are respectively connected with the left moving assembly and the right moving assembly, the movable mechanism is connected to the cross beam frame (410), and the movable mechanism is in transmission connection with the clamping jaw (430) to drive the clamping jaw (430) to move up and down and left and right.

4. The sofa packaging assembly according to claim 3, further comprising a limit assembly (600), wherein the limit assembly (600) is located at the left side of the unreeling component (330), the limit assembly (600) comprises a front upright, a rear upright, a baffle and a second lifting drive, the front upright and the rear upright are located at the front and the rear of the unreeling component (330) respectively, the front end and the rear end of the baffle are movably connected with the front upright and the rear upright respectively, and the second lifting drive is in transmission connection with the baffle to drive the baffle to move up and down.

5. The sofa packaging assembly according to claim 1, wherein said first sewing end (210) and said second sewing end (310) each comprise a forward and backward translational drive, an object stage, a hemming cylinder and a sewing machine, said hemming cylinder and said sewing machine each being connected to said object stage, said hemming cylinder being located behind said sewing machine, said forward and backward translational drive being adapted to drive said object stage to slide forward and backward.

6. The sofa packaging assembly according to claim 1, wherein the conveying device (100) comprises a first conveying end (110) and a second conveying end (120) which extend forwards and backwards, the first conveying end (110) and the second conveying end (120) are arranged at left and right intervals, the left moving assembly comprises a first fixing frame (240), a first sliding frame (250) and a left and right sliding drive, the left and right sliding drive is used for driving the first sliding frame (250) to slide left and right relative to the first fixing frame (240), and the first conveying end (110), the first sewing end (210), the first pressing end (220) and the transverse pushing component (230) are all connected with the first sliding frame (250).

7. The sofa packaging assembly according to claim 1, characterized in that the first compression end (220) and the second compression end (320) each comprise a pressing plate (321), a linkage (322) and a linear drive (323), the pressing plates (321) are rotationally connected with the linkage (322), and the linear drive (323) is used for driving the linkage (322) to unfold or fold so that the pressing plates (321) approach or depart from a conveying surface of the conveying device (100).

8. The sofa packaging assembly of claim 1, wherein the roll feeder further comprises a roller set and a blowing end, the roller set has an upward discharge port, the roller set and the blowing end are both located above the roller set, the roller set and the blowing end are both movable up and down, the roller set and the blowing end are respectively located in front of and behind the discharge port, and the blowing port of the blowing end is disposed toward the roller set.

9. The sofa packaging assembly according to claim 1, further comprising a feeding device, wherein the coil feeding device is located between the feeding device and the conveying device (100), the feeding device comprises a roller drive, a left limiting plate, a right limiting plate and an adjusting translation drive, the roller drive is located below the left limiting plate and the right limiting plate, the conveying direction of the roller drive is from back to front, and the adjusting translation drive is used for driving the left limiting plate and the right limiting plate to be close to or far away from each other.

10. The sofa packaging assembly according to claim 1, wherein said unreeling component (330) further comprises a fixed plate, a clamping plate and a clamping drive, said clamping drive being in driving connection with said clamping plate, said wind-up roll being capable of unreeling an upper packaging film between said fixed plate and said clamping plate, said clamping drive being used for driving said clamping plate to approach or depart from said fixed plate.