CN115158762B

CN115158762B - Ultrasonic sewing production line for inner sleeve bags of mattresses

Info

Publication number: CN115158762B
Application number: CN202210766396.5A
Authority: CN
Inventors: 倪张根; 吴晓宇; 林长彬; 姜清青; 朱亮亮; 张陈波; 沈安祥; 吴鹏翔
Original assignee: Nantong Healthcare Machinery Co ltd
Current assignee: Nantong Healthcare Machinery Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2024-07-23
Anticipated expiration: 2042-07-01
Also published as: CN115158762A

Abstract

The invention relates to an ultrasonic sewing production line for a covering bag in a mattress, which comprises a feeding unit, a covering bag unit, a sealing and cutting unit and a discharging unit which are sequentially distributed, wherein the feeding unit comprises a feeding bracket and a feeding conveying assembly arranged on the feeding bracket; the bagging unit comprises a bagging bracket and a bagging conveying assembly arranged on the bagging bracket; the seal cutting unit comprises a sewing machine frame, an ultrasonic welding unit, a pressing unit and a cutting unit, wherein the ultrasonic welding unit, the pressing unit and the cutting unit are arranged on the sewing machine frame; the discharging unit comprises a discharging bracket and a discharging conveying assembly arranged on the discharging bracket. The invention has the advantages that: the sealing of the inner sleeve bag opening is finished in an ultrasonic welding mode, the whole sealing process can be finished by welding once, the sewing efficiency is greatly improved, the distance between two adjacent welding joints can be reduced in an ultrasonic welding mode, cutting is not needed, and no waste is generated.

Description

Ultrasonic sewing production line for inner sleeve bags of mattresses

Technical Field

The invention relates to the field of mattress bagging, in particular to an ultrasonic sewing production line for mattress bagging.

Background

At present, in the existing mattress production process, the traditional bag sleeving mode is adopted, bagging is carried out manually, the size of the existing yarn bag is not matched with the size of the mattress one by one, but the yarn barrels with the length of about tens of meters are subjected to operations such as cutting, stitching and the like to achieve the size matched with the size of the mattress, the processes are all operated manually, a large amount of manual labor is required to be consumed in the whole bagging process, the labor intensity is high, the working efficiency is low, the beat of mattress production is influenced, and the automation of production lines is not facilitated.

For example, patent CN212710213U discloses a bagging system for a sponge inner sleeve, which comprises a feeding unit, a bagging unit, a cutting and sewing unit and a discharging unit which are sequentially arranged, wherein the cutting and sewing unit comprises a first cutting and sewing assembly and a second cutting and sewing assembly which are sequentially and parallelly distributed at the side of the bagging unit along the conveying direction of the sponge; the first cutting seam packaging component comprises a first cutting seam packaging bracket, a yarn barrel carding mechanism is arranged on one side of the first cutting seam packaging bracket, which is far away from the second cutting seam packaging component, a first seam packaging machine and a first cutting machine are arranged on one side of the first cutting seam packaging bracket, which is close to the second cutting seam packaging component, the first seam packaging machine and the first cutting machine are driven by a third horizontal moving mechanism to horizontally move along the side end of the first cutting seam packaging bracket, the horizontal moving direction is perpendicular to the conveying direction of the sponge, and the first cutting machine is positioned on the front side of the moving track; the second cuts the package seam subassembly and includes the second and cuts the package seam support, cuts the package seam support and be close to first one side of cutting the package seam subassembly and install second overedger, second guillootine is driven by fourth horizontal movement mechanism and is carried out horizontal migration along the side of the package seam support that cuts, and this horizontal migration direction is mutually perpendicular with the direction of delivery of sponge, and the second guillootine is located the front side of this removal orbit, the direction of movement of second overedger, second guillootine is opposite with the direction of movement of first overedger, first guillootine.

According to the bagging system, after the sponge is sleeved with the inner sleeve, the front side and the rear side of the inner sleeve are required to be sealed in a sewing mode by adopting an overedger, and certain defects exist in the process: firstly, an overedger is adopted to realize sealing, and the sealing principle of the overedger is that the sealing is carried out by sewing, and as is well known, the sewing speed is relatively slow, namely the whole sealing process is relatively slow, and the sealing efficiency is relatively low; in addition, after sealing, the cutting machine is needed to be used for cutting and separating two adjacent inner sleeves, in the process, the gap between the sealing positions of the front inner sleeve and the rear inner sleeve is relatively large due to the limitation of the structural size of the overedger and the cutting machine, when cutting, if the two inner sleeves are only directly cut from the middle to separate, the more edges of the sealing positions are relatively long, and the requirements are not met, so that the two cutting machines are used for respectively cutting the two sealing positions to reduce the edge length of the sealing positions, the waste is caused in the mode, a set of waste collection unit is needed to be additionally arranged, and the structure is more complicated.

Disclosure of Invention

The invention aims to solve the technical problem of providing an ultrasonic sewing production line for inner sleeve bags of mattresses, which can automatically cut edges to length and has high efficiency.

In order to solve the technical problems, the technical scheme of the invention is as follows: an ultrasonic sewing production line for a mattress inner sleeve bag is characterized in that: comprising

A feeding unit, a bagging unit, a sealing and cutting unit and a discharging unit which are distributed in sequence,

The feeding unit is used for realizing feeding and conveying of the mattress and comprises a feeding bracket and a feeding and conveying assembly arranged on the feeding bracket;

the bagging unit is used for conveying the single mattress into the long inner sleeve and comprises a bagging bracket and a bagging conveying assembly arranged on the bagging bracket;

The sealing and cutting unit is used for performing ultrasonic welding sealing on the long inner sleeve sleeved with the mattress and cutting the long inner sleeve into a short inner sleeve sleeved with a single mattress, and comprises a sewing machine frame, and an ultrasonic welding unit, a pressing unit and a cutting unit which are arranged on the sewing machine frame;

The discharging unit is used for conveying the short inner sleeve sleeved with the single mattress and comprises a discharging support and a discharging conveying assembly arranged on the discharging support.

Further, the feeding unit comprises a feeding bracket and a feeding conveying assembly arranged on the feeding bracket, the feeding conveying assembly comprises a plurality of feeding conveying rollers which are distributed in parallel along the conveying direction of the mattress, and the feeding conveying rollers are driven to rotate by a feeding motor arranged on the feeding bracket;

the bagging unit comprises a bagging bracket and a bagging conveying assembly arranged on the bagging bracket, the bagging bracket is driven by a third horizontal moving mechanism to reciprocate, the moving direction of the bagging bracket is vertical to the conveying direction of the mattress, the bagging conveying assembly comprises a bagging conveying belt arranged on the bagging bracket, and an upper bagging assembly and a lower bagging assembly are respectively arranged on the upper side and the lower side of the bagging conveying belt;

The upper bagging assembly comprises an upper bagging bracket, the upper bagging bracket comprises a plurality of first brackets which are distributed in parallel, supporting shafts are further arranged on the outer side walls of the two first brackets which are positioned at the outermost side, the first brackets and the supporting shafts extend along the conveying direction of the mattress, each first bracket is driven by a fourth horizontal moving mechanism to reciprocate, the moving direction of the first bracket is the same as the moving direction of the bagging bracket, and the upper bagging bracket is driven by a fifth lifting mechanism to lift up and down so as to approach or depart from a bagging conveying belt;

The lower bagging assembly comprises a lower bagging bracket, the lower bagging bracket comprises a pair of second brackets arranged on two sides of a bagging conveying belt, a plurality of supporting rollers are arranged on the second brackets, the upper end faces and the lower end faces of the supporting rollers extend out of the upper side and the lower side of the second brackets respectively, the second brackets extend along the conveying direction of the mattress, and the two second brackets are driven by a fifth horizontal moving mechanism to reciprocate so as to be close to or far away from the bagging conveying belt;

The sealing and cutting unit comprises a sewing machine frame, an ultrasonic welding unit and a pressing unit which are arranged on the sewing machine frame, wherein the horizontal direction on the sewing machine frame, which is perpendicular to the first direction, is defined as a first direction, and the horizontal direction on the sewing machine frame, which is consistent with the conveying direction of the mattress, is defined as a second direction;

The ultrasonic welding unit comprises a plurality of ultrasonic welding machines which are distributed in parallel along a first direction, and an ultrasonic die which corresponds to each ultrasonic welding machine one by one is connected above each ultrasonic welding machine;

The material pressing unit comprises a plurality of material pressing plates which are distributed in parallel along a first direction, all the material pressing plates are arranged on the same lifting support, the lifting support lifts up and down along the stitching machine frame and drives all the material pressing plates to lift synchronously, first lifting cylinders which are in one-to-one correspondence with the material pressing plates are arranged on the lifting support, and the material pressing plates are driven by the first lifting cylinders to lift independently;

the cutting unit comprises a cutting knife which is arranged on a cutting knife rest and is driven to rotate by a motor arranged on the cutting knife rest, the cutting knife rest is driven by a first horizontal moving mechanism to reciprocate along a first direction, the cutting knife rest is driven to lift up and down along a sewing machine frame and drive the cutting knife to lift up and down, a groove for avoiding the cutting knife is further formed in the upper end face of the ultrasonic die, and the groove extends along the first direction, so that the cross section of the ultrasonic die is in a concave shape;

The discharging unit comprises a discharging support and a discharging conveying assembly arranged on the discharging support, the discharging conveying assembly comprises a plurality of discharging conveying rollers which are distributed in parallel along the conveying direction of the mattress, a plurality of ring-shaped discharging conveying belts are further arranged on the outer sides of the discharging conveying rollers, a clamping conveying support is further arranged on one side, close to the sealing and cutting unit, of the discharging support, the clamping conveying support is driven by a sixth horizontal driving mechanism to horizontally move on the discharging support along the conveying direction of the mattress, an upper clamping conveying assembly and a lower clamping conveying assembly which are distributed up and down are arranged on the clamping conveying support, the upper clamping conveying assembly comprises a plurality of upper clamping conveying plates which are distributed in parallel, the distribution direction of each upper clamping conveying plate is perpendicular to the conveying direction of the mattress, the lower clamping conveying assembly comprises a plurality of lower clamping conveying plates which are distributed in parallel, the distribution direction of each lower clamping conveying plate is perpendicular to the conveying direction of the mattress, the lower clamping conveying plates are located above the discharging conveying belts, and the lower clamping conveying plates are driven by a sixth lifting mechanism to be close to or far away from the upper clamping conveying plates.

Further, a deviation rectifying assembly is further installed on the feeding bracket, the deviation rectifying assembly comprises a deviation rectifying baffle installed on one side of the feeding bracket, the deviation rectifying baffle is installed above the feeding bracket through a pair of connecting plates, two groups of connecting hole groups distributed up and down are formed in the connecting plates, each group of connecting hole groups consists of a plurality of kidney-shaped connecting holes, the connecting hole group located above is connected with the deviation rectifying baffle, the extending direction of each connecting hole in the group of connecting hole groups is in a vertical direction, the connecting hole group located below is connected with the feeding bracket, and the extending direction of each connecting hole in the group of connecting hole groups is in a horizontal direction;

The side of the deviation correcting baffle, which is close to the mattress, is also provided with a plurality of deviation correcting rollers which are distributed in parallel and vertically arranged, the upper side and the lower side of the deviation correcting rollers are matched with the deviation correcting baffle in a rolling way through the matching of bearings, the feeding side and the discharging side of the deviation correcting baffle are both inclined sections, and the inclination direction of the inclined sections is gradually inclined from the center of the deviation correcting baffle to the direction of the inclined sections towards the direction away from the mattress.

Further, still be provided with locking component between lifting support and the sewing machine frame, locking component is: a first locking piece is arranged on one side of the lifting support, the first locking piece is hinged with the lifting support, the lifting support is driven by a locking cylinder arranged on the lifting support to swing up and down along a hinging point, a second locking piece matched with the first locking piece is arranged at the side end of the stitching machine frame, and the relative position of the lifting support and the stitching machine frame is locked through the matching of the first locking piece and the second locking piece.

Further, an inner sleeve clamping unit is further arranged at the ultrasonic die on the sewing machine frame, the inner sleeve clamping unit comprises a movable clamping assembly and a fixed clamping assembly which are distributed on two sides of the ultrasonic welding unit along a first direction, the movable clamping assembly comprises a pair of movable clamping plates which are distributed in parallel along a second direction, the movable clamping plates are jointly formed by two first clamping plates which are distributed up and down, the two first clamping plates are driven by a first clamping cylinder to be close to or far away from each other, the movable clamping assembly is driven by a second horizontal moving mechanism to be close to or far away from the fixed clamping assembly, the fixed clamping assembly comprises a pair of fixed clamping plates which are distributed in parallel along the second direction, the fixed clamping plates are jointly formed by two second clamping plates which are distributed up and down, and the two second clamping plates are driven by a second clamping cylinder to be close to or far away from each other.

Further, an inner sleeve flattening unit is further arranged on the feeding side of the sewing machine frame, the inner sleeve flattening unit comprises a pair of flattening rollers which are distributed up and down, and the two flattening rollers are driven by independent driving pieces to lift up and down respectively, so that the two flattening rollers are mutually close to or far away from each other, and the flattening rollers are driven by flattening motors to rotate independently.

Further, a plurality of through holes are formed in the upper clamping conveying plate and the lower clamping conveying plate.

Furthermore, one side of the lower clamping conveying plate, which is close to the sealing and cutting unit, is provided with a guiding inclined plane, and the inclination direction of the guiding inclined plane gradually inclines upwards from the sealing and cutting unit to the lower clamping conveying plate.

The invention has the advantages that: according to the invention, the inner sleeve bag mouth is sealed by matching the feeding unit, the bagging unit, the sealing and cutting unit and the discharging unit in an ultrasonic welding mode, the whole sealing process can be finished by welding only once, compared with a sewing and sewing mode, the sewing efficiency is greatly improved, the distance between two adjacent welding seams can be reduced in an ultrasonic welding mode, cutting is not needed, namely no waste is generated, no waste collecting unit is needed, and the structure is simplified.

The ultrasonic welding unit is designed by adopting a plurality of ultrasonic welding machines, and the pressing unit is matched with the design of a plurality of pressing plates, so that the corresponding number of ultrasonic welding machines and pressing plates can be selected for working according to the requirements of mattress inner sleeves with different sizes, all the ultrasonic welding machines and the pressing plates are not required to act, the parts required to act are reduced, and the energy consumption is reduced.

The design of the cutting unit is to realize cutting of the inner sleeve through the cooperation of the cutting knife and the first horizontal moving mechanism, so as to realize automatic cutting; the design of the groove on the ultrasonic die is to form an avoidance space in the process of cutting the inner sleeve by the cutting knife, so that the cutting knife is convenient to cut the inner sleeve, the situation that the cutting knife cannot cut the inner sleeve due to the existence of the ultrasonic die is avoided, the upper end face of the ultrasonic die forms two welding surfaces due to the existence of the groove, two welding lines with intervals can be formed at one time when the inner sleeve is welded, meanwhile, the tail part of the former mattress inner sleeve and the head part of the latter mattress inner sleeve are welded, the welding time is saved, and the welding efficiency is improved.

The design of the deviation rectifying component on the feeding bracket guides and rectifies the position of one side of mattress conveying through the matching between the deviation rectifying baffle and the deviation rectifying roller, ensures that the mattress can be conveyed according to the same path every time, and provides a foundation for the smooth bagging, welding and other processing of the subsequent mattress.

The design of the locking component of the lifting support and the stitching machine frame has the advantages that the relative position between the lifting support and the stitching machine frame is locked and kept through the matching of the first locking piece, the second locking piece and the locking cylinder, and the phenomenon that the lifting support moves upwards due to reverse pushing of the lifting support caused by the pushing action of the subsequent first lifting cylinder is avoided, so that the welding is affected smoothly.

The design of the inner sleeve clamping unit adopts a mode of combining the movable clamping assembly and the fixed clamping assembly to clamp and tighten two sides of the sealing part of the inner sleeve, so that the flattening of the sealing part of the inner sleeve is ensured, the subsequent welding sealing of the inner sleeve is facilitated, and the phenomenon that the welding is influenced due to the phenomenon of wrinkling of the inner sleeve is avoided.

The design of the inner sleeve flattening unit utilizes two flattening rollers which are distributed up and down to straighten and flatten the passing inner sleeve, so that the size of the inner sleeve can be matched with the size of the mattress, and the phenomenon that the size of the inner sleeve is far larger than the size of the mattress due to the wrinkles of the inner sleeve is avoided, and the mattress is further caused to move in the inner sleeve.

Go up centre gripping delivery plate, lower centre gripping delivery plate on the through-hole, then in order to conveniently carry out the centre gripping to the mattress, when avoiding going up centre gripping delivery plate or lower centre gripping delivery plate and mattress contact, phenomenon such as fold appears because of the reason of face-to-face contact, influences going on smoothly of centre gripping, can also reduce simultaneously the weight of going up centre gripping delivery plate and lower centre gripping delivery plate, corresponding lighter when moving.

The design of the guide inclined plane on the lower clamping conveying plate is that the mattress can smoothly move to the lower clamping conveying plate along the guide inclined plane, and a certain gap is reserved between the main body of the lower clamping conveying plate and the discharging conveying belt due to the design, so that the horizontal conveying of the lower clamping conveying plate is facilitated, and interference between the lower clamping conveying plate and the discharging conveying belt is avoided.

Drawings

The invention will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of an ultrasonic seaming line for a mattress inner bag according to the present invention.

Fig. 2 is a front view of the ultrasonic seaming line for an inner mattress covering bag of the present invention.

Fig. 3 is a side view of the ultrasonic seaming line for a mattress inner bag of the present invention.

Fig. 4 is a top view of the ultrasonic seaming line for a mattress inner bag of the present invention.

Fig. 5 is a schematic view of a feed unit in the present invention.

Fig. 6 is a schematic view of a bagging unit of the present invention.

Fig. 7 is a front view of the bagging unit of the present invention.

Fig. 8 is a side view of the bagging unit of the present invention.

Fig. 9 is a top view of the bagging unit of the present invention.

Fig. 10 is a schematic view of a seal-cutting unit in the present invention.

Fig. 11 is an enlarged schematic view of a portion a of fig. 10.

Fig. 12 is a front view of the seal-cutting unit of the present invention.

Fig. 13 is a side view of the seal-severing unit of the present invention.

Fig. 14 is a plan view of the seal-cutting unit in the present invention.

Fig. 15 is a schematic view showing the cooperation of the seal-cutting unit in the present invention.

Fig. 16 is a front view showing the engagement of the seal-cutting unit in the present invention.

Fig. 17 is a side view of the seal-severing unit of the present invention mated.

Fig. 18 is a schematic view showing a state of compaction of a pressure material in the present invention.

Fig. 19 is a schematic view of a locking assembly of the present invention.

Fig. 20 is a schematic view of a discharge unit in the present invention.

Fig. 21 is a front view of the discharging unit in the present invention.

Fig. 22 is a front view of the discharging unit in the present invention.

Fig. 23 is a top view of the discharge unit of the present invention.

Detailed Description

The following examples will provide those skilled in the art with a more complete understanding of the present invention and are not intended to limit the invention to the embodiments described.

An ultrasonic seaming line for a mattress inner bag as shown in figures 1-23, comprising

The feeding unit is used for realizing feeding and conveying of the mattress, as can be seen from the schematic diagram shown in fig. 5, the feeding unit comprises a feeding support 2 and a feeding and conveying assembly arranged on the feeding support 2, the feeding and conveying assembly comprises a plurality of feeding and conveying rollers 201 which are distributed in parallel along the conveying direction of the mattress, two sides of each feeding and conveying roller 201 are matched with the feeding support 2 in a rolling way through the matching of a bearing and a bearing seat, each feeding and conveying roller 201 realizes synchronous and same-direction rotation through the matching of a chain wheel and a chain or the matching of a gear and a rack, and any feeding and conveying roller 201 is driven to rotate by a feeding motor 202 arranged on the feeding support 2, so that all feeding and conveying rollers 201 are driven to rotate, and conveying of the mattress is realized.

In the invention, besides the conveying of the feeding conveying roller 201, a reversing conveying belt 207 can be additionally arranged below the feeding conveying roller 201 on the feeding bracket 2, the conveying direction of the reversing conveying belt 207 is vertical to the conveying direction of the feeding conveying roller 201, a plurality of reversing conveying belts 207 are sequentially distributed along the conveying direction of the feeding conveying roller 201, the width of each reversing conveying belt 207 is smaller than the distance between two adjacent feeding conveying rollers 201, the distance between the two adjacent reversing conveying belts 207 is slightly larger than the diameter of the feeding conveying roller 201, each reversing conveying belt 207 is arranged on the same reversing bracket, the reversing conveying belts 207 are driven by a motor arranged on the reversing bracket to work, the reversing bracket is driven by a cylinder to lift up and down, so that the reversing conveying belt 207 is driven to move to the upper side of the feeding conveying roller 201, or to the lower side of the feeding conveying roller 201, when the reversing conveying belt 207 moves to the upper side of the feeding conveying roller 201, the conveying belt 207 can be connected with the direction of the feeding conveying roller 201 in the direction vertical to the direction of the adjacent two reversing conveying rollers, the distance between the adjacent reversing conveying belts 207 is slightly larger than the diameter of the feeding conveying roller 201, and the mattress is driven by the reversing conveying roller 201 to move to the direction of the mattress 201 in the direction vertical to the direction of the conveying roller 201.

The feeding bracket 2 is further provided with a deviation rectifying assembly, the deviation rectifying assembly comprises a deviation rectifying baffle 203 arranged on one side of the feeding bracket 2, the deviation rectifying baffle 203 is arranged above the feeding bracket 2 through a pair of connecting plates 204, two groups of connecting hole groups distributed up and down are arranged on the connecting plates 204, each group of connecting hole groups consists of a plurality of kidney-shaped connecting holes, the connecting hole groups positioned above are connected with the deviation rectifying baffle 203, the extending direction of each connecting hole in the group of connecting hole groups is in a vertical direction, the connecting hole groups positioned below are connected with the feeding bracket 2, the extending direction of each connecting hole in the group of connecting hole groups is in a horizontal direction, the connecting plates 204 are fixed with the deviation rectifying baffle 203 or the feeding bracket 2 through the cooperation of bolts and nuts, and through holes for allowing bolts to pass through are also formed in the deviation rectifying baffle 203 and the feeding bracket 2. The waist-shaped connecting hole is designed, so that when the connecting plate 204 is fixedly matched with the deviation rectifying baffle 203 or the feeding bracket 2, a certain fine adjustment function can be achieved, and the installation and the fixation of the deviation rectifying baffle 203 are facilitated.

The side of the deviation rectifying baffle 203, which is close to the mattress, is also provided with a plurality of deviation rectifying rollers 205 which are distributed in parallel and vertically, and the upper side and the lower side of the deviation rectifying rollers 205 are in rolling fit with the deviation rectifying baffle 203 through the fit of bearings, so that the deviation rectifying rollers 205 can rotate freely, the feeding side and the discharging side of the deviation rectifying baffle 203 are both inclined sections 206, the inclination direction of the inclined sections 206 is gradually inclined towards the direction away from the mattress from the center of the deviation rectifying baffle 203 to the direction of the inclined sections 206, and the design of the inclined sections 206 is convenient for the mattress to go in and out. The design of the deviation rectifying component on the feeding bracket 2 guides and rectifies the position of one side of mattress conveying through the cooperation between the deviation rectifying baffle 203 and the deviation rectifying roller 205, ensures that the mattress can be conveyed according to the same path each time, and provides a foundation for the smooth bagging, welding and other processing of the subsequent mattress.

The bagging unit is used for conveying a single mattress into the long inner sleeve and comprises a bagging support 3 and a bagging conveying assembly arranged on the bagging support 3, the bagging support 3 is driven by a third horizontal moving mechanism to reciprocate, the moving direction of the bagging support 3 is perpendicular to the conveying direction of the mattress, the third horizontal moving mechanism comprises a third horizontal moving support 301, the extending direction of the third horizontal moving support 301 is perpendicular to the conveying direction of the mattress, a third horizontal moving guide rail 302 is arranged on the third horizontal moving support 301, the extending direction of the third horizontal moving guide rail 302 is the same as the extending direction of the third horizontal moving support 301, a third horizontal moving sliding block matched with the third horizontal moving guide rail 302 is further arranged on one side of the bottom end of the bagging support 3, a moving roller 303 rolling on the third horizontal moving support 301 is further arranged on the other side of the bottom end of the bagging support 3, the third horizontal moving rack is further arranged on the third horizontal moving support 301, the extending direction of the third horizontal moving rack is the same as the extending direction of the third horizontal moving guide rail 302, the third horizontal moving rack is further arranged on the third horizontal moving support 301, the third horizontal moving support 3 is meshed with the third horizontal moving guide rail 304, and the third horizontal moving guide rail is further horizontally moved along the third horizontal moving support 302 by the third horizontal moving support 3, and the third horizontal moving guide rail is further driven by the third horizontal moving support 304.

The bagging conveying assembly comprises a bagging conveying belt 306 arranged on the bagging bracket 3, and an upper bagging assembly and a lower bagging assembly are respectively arranged on the upper side and the lower side of the bagging conveying belt 306.

The upper bagging assembly comprises an upper bagging support, the upper bagging support comprises a plurality of first supports 307 which are distributed in parallel, a supporting shaft 308 is further arranged on the outer side walls of the two first supports 307 which are located at the outermost side, a gap is reserved between the supporting shaft 308 and the first supports 307, the first supports 307 and the supporting shaft 308 extend along the conveying direction of a mattress, each first support 307 is driven to reciprocate by a fourth horizontal moving mechanism, the moving direction of the first supports 307 is the same as the horizontal moving direction of the bagging support 3, and the fourth horizontal moving mechanism is that: the fourth horizontal moving seat 310 is arranged on the bagging support 3, two fourth horizontal moving guide rails 311 which are distributed up and down are arranged on the fourth horizontal moving seat 310, the end parts of the first supports 307 are respectively connected with a fourth transition connecting seat 309, fourth horizontal moving sliding blocks which are matched with the fourth horizontal moving guide rails 311 are arranged on the fourth transition connecting seats 309, the first supports 307 can directly and manually pull the horizontal sliding blocks along the fourth horizontal moving guide rails 311 through manpower, so that the width of the whole upper bagging support is adjusted, matching with inner sleeves of different sizes is facilitated, after adjustment, the relative positions between the fourth horizontal moving sliding blocks and the fourth horizontal moving guide rails 311 can be locked and fixed through the cooperation of locking bolts, and the stability of the positions is guaranteed.

The upper bagging support is driven by a fifth lifting mechanism to lift up and down so as to be close to or far away from the bagging conveying belt 306, and the fifth lifting mechanism is as follows: a fifth lifting guide rail 312 is respectively arranged at two sides of the bagging support 3, a fifth lifting sliding block matched with the fifth lifting guide rail 312 is respectively arranged at two sides of the fourth horizontal moving seat 310, the fourth horizontal moving seat 310 is driven by a fifth lifting chain 313 to lift up and down along the fifth lifting guide rail 312, fifth lifting chain wheels meshed with the fifth lifting chain 313 are respectively arranged at two sides of the top end of the bagging support 3, the two fifth lifting chain wheels are connected through a linkage rod 314 to realize synchronous rotation, the linkage rod 314 is driven by a fifth lifting motor 315 to rotate, one side of the fifth lifting chain 313 is fixed on the fourth horizontal moving seat 310, and the other side of the fifth lifting chain 313 bypasses the fifth lifting chain wheels and is connected with a counterweight.

The lower bagging assembly comprises a lower bagging bracket, the lower bagging bracket comprises a pair of second brackets 316 arranged on two sides of a bagging conveying belt, a plurality of supporting rollers 317 are arranged on the second brackets 316, the upper end faces and the lower end faces of the supporting rollers 317 extend out of the upper side and the lower side of the second brackets 316 respectively, the second brackets 316 extend along the conveying direction of a mattress, the two second brackets 316 are driven by a fifth horizontal moving mechanism to reciprocate so as to be close to or far away from the bagging conveying belt 306, and the fifth horizontal moving mechanism is that: a pair of fifth horizontal moving guide rails 318 which are horizontally distributed in parallel are arranged on the bagging support 3, the extending direction of the fifth horizontal moving guide rails 318 is vertical to the extending direction of the second support 316, a fifth horizontal moving sliding block matched with the fifth horizontal moving guide rails 318 is arranged on the second support 316, the second support 316 can directly and manually pull the horizontal sliding block along the fifth horizontal moving guide rails 318 through manpower, so that the width of the whole lower bagging support is adjusted, matching with inner sleeves of different sizes is facilitated, after adjustment, the relative positions between the fifth horizontal moving sliding block and the fifth horizontal moving guide rails 318 can be locked and fixed through the matching of locking bolts, and the stability of the positions is guaranteed.

The sealing and cutting unit is used for sealing the long inner sleeve sleeved with the mattress by ultrasonic welding and cutting the long inner sleeve into the short inner sleeve sleeved with the single mattress, and comprises a sewing machine frame 1, and an ultrasonic welding unit, a pressing unit and a cutting unit which are arranged on the sewing machine frame 1.

As can be seen from the schematic diagrams shown in fig. 10-19, the stitching machine frame 1 is of a rectangular frame structure, an ultrasonic welding unit for stitching and a material pressing unit for pressing the inner sleeve of the mattress are mounted on the stitching machine frame 1, and the ultrasonic welding unit and the material pressing unit cooperate to achieve stitching and sealing of the bag mouth of the inner sleeve.

A horizontal direction perpendicular to the first direction on the sewing machine frame 1 is defined as a first direction, and a horizontal direction on the sewing machine frame 1, which coincides with the conveying direction of the mattress, is defined as a second direction.

The ultrasonic welding unit comprises a plurality of ultrasonic welding machines 101 which are distributed in parallel along the first direction, and an ultrasonic die 102 which is matched with each other one by one is connected above each ultrasonic welding machine 101.

An inner sleeve clamping unit is also arranged on the sewing machine frame 1 at the ultrasonic die 102, the inner sleeve clamping unit comprises a movable clamping component and a fixed clamping component which are distributed at two sides of the ultrasonic welding unit along a first direction, wherein,

The movable clamping assembly comprises a pair of movable clamping plates 120 which are distributed in parallel along a second direction, the movable clamping plates 120 are jointly formed by two first clamping plates which are distributed up and down, the two first clamping plates are driven by a first clamping cylinder 121 to be close to or far away from each other, the first clamping cylinder 121 is an air cylinder, the movable clamping assembly is driven by a second horizontal moving mechanism to be close to or far away from the fixed clamping assembly, and the second horizontal moving mechanism is as follows: second horizontal guide rails are respectively arranged on two sides of the stitching machine frame 1, the second horizontal guide rails extend along the first direction, two movable clamping plates 121 are arranged on the same second movable seat, second horizontal sliding blocks matched with the second horizontal guide rails are respectively arranged on two sides of the second movable seat, and the second movable seat is driven by a linear driver to horizontally reciprocate along the first direction. In this embodiment, the linear actuator may be an oil cylinder or an electric push rod or other similar actuator.

The fixed clamping assembly comprises a pair of fixed clamping plates 122 which are distributed in parallel along the second direction, the fixed clamping plates 122 are composed of two second clamping plates which are distributed up and down, and the two second clamping plates are driven by a second clamping cylinder 123 to be close to or far from each other. The structure and principle of the pneumatic clamping jaw used in the existing market are the same as the cooperation between the first clamping plate and the first clamping cylinder 121, the cooperation between the second clamping plate and the second clamping cylinder 123, and will not be described in detail in this embodiment.

A guard rail 116 is also disposed on each side of the stitching frame 1 in the second direction, and the two guard rails 116 are respectively disposed on each side of the ultrasonic welding unit. The design of the guard rail 116 on the stitching frame 1 is to protect the ultrasonic welding unit, avoid some large parts outside from colliding with the ultrasonic welding unit, and improve the service life of the ultrasonic welding unit, because the ultrasonic welding unit adopts the cooperation of the ultrasonic welder 101 and the ultrasonic mold 102 to realize the welding process, and the cost of the ultrasonic welder 101 and the ultrasonic mold 102 is relatively high compared with the cost of a conventional welder, if the ultrasonic welder 101 is damaged, the cost of subsequent maintenance or replacement is relatively high.

The material pressing unit comprises a plurality of material pressing plates 103 which are distributed in parallel along a first direction, the bottom end surfaces of the material pressing plates 103 can be smooth planes, corresponding salient points can be designed on the bottom end surfaces of the material pressing plates 103 according to different welding points, all the material pressing plates 103 are installed on the same lifting support 104, the lifting support 104 lifts up and down along the stitching machine frame 1 and drives all the material pressing plates 103 to lift synchronously, and the lifting support 104 and the lifting of the stitching machine frame 1 are matched: a pair of vertically arranged first lifting guide rails are further arranged on two sides of the stitching machine frame 1 in the first direction, first lifting sliding blocks matched with the first lifting guide rails are further arranged on two sides of the lifting support 104 respectively, the lifting support 104 is driven by a second lifting cylinder 117 arranged on the stitching machine frame 1 to lift up and down, and all the pressing plates 103 are driven to lift synchronously.

A locking assembly is further disposed between the lifting bracket 104 and the stitching frame 1, as shown in the schematic diagram of fig. 19, the locking assembly is: a first locking member 150 is installed at one side of the lifting bracket 104, the first locking member 150 is hinged with the lifting bracket 104 through a locking seat 154, and is driven to swing up and down along a hinge point by a locking cylinder 151 installed on the lifting bracket 104, the locking seat 154 is directly fixed on the lifting bracket 104, the first locking member 150 is hinged with the locking seat 154, the locking cylinder 151 is hinged with the lifting bracket 104, a locking hook 155 is arranged at the end part of the first locking member 150, a second locking member 152 matched with the first locking member 150 is installed at the side end of the stitching machine frame 1, an inclined surface matched with the locking hook 155 is arranged at one side of the second locking member 152, the other side of the second locking member 152 is matched with the locking seat 154, and the locking of the relative position of the lifting bracket 104 and the stitching machine frame 1 is realized through the matching of the first locking member 150 and the second locking member 152. The locking assembly of the lifting bracket and the stitching machine frame is designed, so that the relative position between the lifting bracket and the stitching machine frame is locked and kept through the cooperation of the first locking piece 150, the second locking piece 152 and the locking cylinder 151, and the phenomenon that the lifting bracket moves upwards due to the reverse pushing of the lifting bracket caused by the pushing action of the subsequent first lifting cylinder is avoided, so that the smooth welding is influenced.

When locking, the lifting bracket 104 descends to the locking position, and then the locking cylinder 151 drives the first locking piece 150 to swing, so that the locking hook 155 of the first locking piece 150 is attached to the inclined plane of the second locking piece 152, locking of the relative position of the lifting bracket 104 and the stitching machine frame 1 is achieved, the situation that the pressing of the pressing plate 103 is affected due to the fact that the lifting bracket 104 ascends when the following pressing plate 103 presses is avoided, and the locking seat 154 and the second locking piece 152 cooperate to limit the descending stroke of the lifting bracket 104, so that the ascending and the descending of the lifting bracket 104 are avoided.

The lifting bracket 104 is also provided with first lifting cylinders 108 which are in one-to-one correspondence with the pressing plates 103, and the pressing plates 103 are driven by the first lifting cylinders 108 to lift independently.

The ultrasonic welding unit adopts the design of a plurality of ultrasonic welding machines 101, and the pressing unit is matched with the design of a plurality of pressing plates 103, so that the corresponding number of ultrasonic welding machines 101 and pressing plates 103 can be selected for working according to the requirements of mattress inner sleeves with different sizes, all the ultrasonic welding machines 101 and pressing plates 103 are not required to act, the parts required to act are reduced, and the energy consumption is reduced.

The sewing machine frame 1 is also provided with a cutting unit, the cutting unit comprises a cutting knife 109, the cutting knife 109 is arranged on a cutting knife rest, the cutting knife 109 is driven by a motor arranged on the cutting knife rest to rotate, the cutting knife rest is driven by a first horizontal moving mechanism to reciprocate along a first direction, the first horizontal moving mechanism comprises a horizontal moving seat 118, the horizontal moving seat 118 extends along the first direction, two sides of the horizontal moving seat 118 respectively extend to two outer side walls of the sewing machine frame 1 positioned in the first direction, two sides of the horizontal moving seat 118 are also provided with horizontal mounting seats 106, the horizontal mounting seats 106 are fixed with the horizontal moving seat 118 through the cooperation of bolts, a vertically arranged rotating shaft 111 is arranged on the horizontal mounting seats 106, a horizontally arranged rotating gear 112 is arranged on the rotating shaft 111, the rotary shaft 111 on one of the horizontal mounting seats 106 is driven to rotate by a rotary motor 114 mounted on the horizontal mounting seat 106, the rotary gears 112 on the two horizontal mounting seats are connected through a synchronous toothed belt 113 to realize synchronous rotation, the cutter frame is mounted on the synchronous toothed belt 113 and synchronously moves along with the synchronous toothed belt 113, a first horizontal moving guide rail is further mounted on the inner wall of the horizontal moving seat 118 and extends along a first direction, a first horizontal moving slide block matched with the first horizontal moving guide rail is also mounted on the cutter frame, one of the rotary shafts 111 is driven to rotate by the rotary motor 114, the rotation of the rotary shaft 111 drives the rotary gear 112 to rotate, the rotation of the rotary gear 112 drives the other rotary gear 112 to synchronously rotate through the cooperation of the synchronous toothed belt 113, the synchronous toothed belt 113 is supported by the cooperation of the two rotating gears 112 to realize annular rotation of the synchronous toothed belt 113, and the rotation of the synchronous toothed belt 113 drives the cutting knife rack to reciprocate along the first horizontal moving guide rail to realize reciprocating movement of the cutting knife 109 in the first direction, so that the cutting knife 109 cuts off the inner sleeve.

The cutting knife rest goes up and down along the sewing machine frame 1 and drives the cutting knife 109 to go up and down, and the lifting fit of the cutting knife rest and the sewing machine frame is as follows: the outer walls of the two sides of the stitching machine frame 1, which are positioned in the first direction, are also provided with a pair of vertically arranged second lifting guide rails 105, a second lifting slide block matched with the second lifting guide rails 105 is arranged on the horizontal installation seat 106, the horizontal installation seat 106 is driven by a third lifting cylinder 107 arranged on the stitching machine frame 1 to lift up and down, the horizontal installation seat 1066 is driven to lift, the lifting of the horizontal installation seat 106 drives the horizontal movement seat 118 to lift synchronously, and the horizontal movement seat 118 drives the cutting knife rest and the cutting knife 109 to lift synchronously.

A groove 115 avoiding the cutting blade 109 is further formed in the upper end surface of the ultrasonic die 102, and the groove 109 extends along the first direction, so that the cross section of the ultrasonic die 102 is in a concave shape. The design of cutting unit is realized cutting off the endotheca through the cooperation of cutting knife 109 and first horizontal movement mechanism, realize automatic cutting off, and the design of recess 115 on the ultrasonic wave mould 102 is in order to cut off the in-process of endotheca at cutting knife 109, can form and dodge the space, conveniently cut off the cutting knife 109 and realize cutting off the endotheca because of ultrasonic wave mould 102 exists, and the existence of recess 115 also makes the up end of ultrasonic wave mould 102 form two welded surfaces, when welding the endotheca, can once form two welding seams that have the interval, realize the welding of the afterbody of preceding mattress endotheca and the welding of the head of following mattress endotheca simultaneously, save welding time, improve welding efficiency, the separation of preceding mattress endotheca and following mattress endotheca can be realized to the cooperation cutting knife 109 again.

An inner sleeve flattening unit is further arranged on the feeding side of the stitching frame 1, the inner sleeve flattening unit comprises a pair of flattening rollers which are distributed up and down, and the two flattening rollers are driven by independent driving pieces to lift up and down respectively, so that the two flattening rollers are mutually close to or far away from each other, and the flattening rollers are driven by flattening motors to rotate independently. The design of the inner sleeve flattening unit utilizes two flattening rollers which are distributed up and down to straighten and flatten the passing inner sleeve, and the inner sleeve is flattened before welding, so that the size of the inner sleeve can be matched with the size of a mattress, and the phenomenon that the size of the inner sleeve is far greater than the size of the mattress during subsequent welding due to the wrinkling of the inner sleeve is avoided, and the mattress is further caused to move in the inner sleeve.

The two flattening rollers are respectively an upper flattening roller 131 and a lower flattening roller 132, wherein the upper flattening roller 131 is arranged on an upper flattening bracket 133 and is driven to rotate by an upper flattening motor 134 arranged on the upper flattening bracket 133, a third lifting guide rail 135 which is vertically arranged is respectively arranged at two sides of the stitching frame 1, meanwhile, a third lifting slide block which is matched with the third lifting guide rail 135 is arranged on the upper flattening bracket 133, driving racks 136 which are vertically arranged are also arranged on two inner sides of the third lifting guide rail 135 on the stitching frame 1, a driving shaft 137 is also arranged on the upper flattening bracket 133, driving gears which are meshed with the driving racks 136 in a one-to-one correspondence manner are respectively arranged at two sides of the driving shaft 137, and the driving shafts 137 are driven to rotate by a motor 138 arranged on the upper flattening bracket 133 and drive the two driving gears to synchronously rotate, so that the upper flattening bracket 133 is lifted up and down along the third lifting guide rail 135, and finally the upper flattening roller 131 is lifted up and down.

The lower flattening roller 132 is mounted on the lower flattening bracket 139 and is driven to rotate by a lower flattening motor 140 mounted on the lower flattening bracket 139, the two sides of the stitching frame 1 are respectively provided with a fourth lifting guide rail 141 which is vertically arranged, meanwhile, the lower flattening bracket 139 is provided with a fourth lifting slide block matched with the fourth lifting guide rail 141, the lower flattening bracket 139 is driven by a fourth lifting cylinder 142 mounted on the two sides of the stitching frame 1 to lift along the fourth lifting guide rail 141, thereby realizing the up-and-down lifting of the lower flattening roller 132, and the lower flattening bracket 139 is positioned on the outer side of the protective rail 116, so that interference with the protective rail 116 is avoided when the lower flattening bracket 139 lifts up and down.

The discharging unit is used for conveying the short inner sleeve sleeved with the single mattress, as can be seen from the schematic diagrams shown in fig. 20-23, the discharging unit comprises a discharging support 4 and a discharging conveying assembly arranged on the discharging support 4, the discharging conveying assembly comprises a plurality of discharging conveying rollers 401 which are distributed in parallel along the conveying direction of the mattress, two sides of the discharging conveying rollers 401 are matched with the discharging support 4 in a rolling way through the matching of bearings and bearing seats, and a plurality of ring-shaped discharging conveying belts 402 are further arranged on the outer sides of the discharging conveying rollers 401.

The clamping conveying support 404 is further installed on one side, close to the sealing and cutting unit, of the discharging support 4, and the clamping conveying support 404 is driven by a sixth horizontal driving mechanism to horizontally move on the discharging support along the conveying direction of the mattress, wherein the sixth horizontal driving mechanism is as follows: a sixth horizontal moving guide rail 405 is respectively installed at two sides of the upper end surface of the discharging support 4, the extending direction of the sixth horizontal moving guide rail 405 is consistent with the conveying direction of the discharging conveying belt 402, a sixth horizontal moving sliding block matched with the sixth horizontal moving guide rail 405 is also installed at the bottom end of the clamping conveying support 404, a sixth synchronous belt 406 is also installed at the side of the sixth horizontal moving guide rail 405 on the discharging support 4, the clamping conveying support 404 is fixed with the sixth synchronous belt 406, two sides of the sixth synchronous belt 406 are installed on the discharging support 4 through the cooperation of the sixth synchronous belt wheels, the sixth synchronous belt wheels at two sides are respectively driven to rotate by discharging motors 403 installed at two sides of the discharging support 4, and the two sixth synchronous belts 406 are driven to work, so that the clamping conveying support 404 is pulled to horizontally reciprocate along the sixth horizontal moving guide rail 405.

The upper clamping and conveying assembly and the lower clamping and conveying assembly which are distributed up and down are installed on the clamping and conveying support 404, the upper clamping and conveying assembly comprises a plurality of upper clamping and conveying plates 407 which are distributed in parallel, the distribution direction of each upper clamping and conveying plate 407 is perpendicular to the conveying direction of a mattress, each upper clamping and conveying plate 407 is installed on the same upper section metal plate 408, the upper clamping and conveying plates 407 are fixed with the upper section metal plate 408 through the matching of bolts, therefore, the distance between the adjacent upper clamping and conveying plates 407 can be adjusted through loosening the bolts, and the upper section metal plate 408 is installed on the clamping and conveying support 404.

The lower clamping and conveying assembly comprises a plurality of lower clamping and conveying plates 409 which are distributed in parallel, the distribution direction of each lower clamping and conveying plate 409 is perpendicular to the conveying direction of the mattress, each lower clamping and conveying plate 409 is mounted on the same lower section metal sheet 410, and the lower clamping and conveying plates 409 are fixed with the lower section metal sheet 410 through the cooperation of bolts, so that the distance between the adjacent lower clamping and conveying plates 409 can be adjusted by loosening the bolts.

The lower clamping conveying plate 409 is located above the discharging conveying belt 402, and the lower clamping conveying plate 409 is driven by a sixth lifting mechanism to be close to or far away from the upper clamping conveying plate 407, and the sixth lifting mechanism is as follows: a sixth lifting guide rail 411 is respectively installed on two sides of the clamping and conveying support 404, and meanwhile, a sixth lifting slider matched with the sixth lifting guide rail 411 is installed on the lower section metal plate 410, and the lower section metal plate 410 is pulled by a sixth lifting cylinder 412 installed on the clamping and conveying support 404 to lift up and down along the sixth lifting guide rail 411.

The upper clamping conveying plate 407 and the lower clamping conveying plate 409 are also provided with a plurality of through holes 413. Through holes in the upper clamping conveying plate 407 and the lower clamping conveying plate 409 are used for conveniently clamping a mattress, so that phenomenon that wrinkles and the like occur due to surface-to-surface contact when the upper clamping conveying plate 407 or the lower clamping conveying plate 409 is in contact with the mattress, smooth clamping is affected, and meanwhile, the weight of the upper clamping conveying plate 407 and the lower clamping conveying plate 409 can be reduced, and the corresponding mattress is lighter when moving.

A guiding inclined plane 414 is arranged on one side of the lower clamping conveying plate 409, which is close to the seal cutting unit, and the inclination direction of the guiding inclined plane 414 gradually inclines upwards from the seal cutting unit to the lower clamping conveying plate 409. The design of the guiding inclined plane 414 on the lower clamping conveying plate 409 is for the mattress to smoothly move to the lower clamping conveying plate 409 along the guiding inclined plane 414, and a certain gap is reserved between the main body of the lower clamping conveying plate 409 and the discharging conveying belt 402 by the design, so that the horizontal conveying of the lower clamping conveying plate 409 is facilitated, and the interference between the lower clamping conveying plate 409 and the discharging conveying belt 402 is avoided.

The driving cylinders, such as lifting cylinders, flattening cylinders, etc., involved in the present embodiment may be cylinders or cylinders.

Working principle: in operation, firstly, the size of a mattress is selected to be a long inner sleeve with a corresponding size, then the mutual spacing between the first brackets 307 and the mutual spacing between the second brackets 316 are adjusted according to the size of the long inner sleeve, the upper bagging brackets are driven to lift up and down, the spacing between the upper bagging brackets and the bagging conveyor belt 306 is adjusted, and finally, the long inner sleeve is sleeved on the upper bagging brackets and the lower bagging brackets to finish preparation work;

The feeding conveying roller 201 receives the mattresses conveyed by the previous procedure, the mattresses are conveyed to the bagging conveying belt 306 through the feeding conveying roller 201, conveying advancing of the mattresses is achieved in a mode that the previous mattresses are pushed by the next mattresses along with the mattresses conveyed by the feeding conveying roller 201, when the long inner sleeves are welded for the first time, the inner sleeves are pulled by manpower to be welded and sealed firstly, then the long inner sleeves are driven to pass through the sealing and cutting unit along with the conveying advancing of the mattresses and move towards the discharging unit, and when the mattresses move to the discharging unit, the mattresses are clamped by the discharging unit to continue to move forwards;

When the long inner sleeve passes through the sealing and cutting unit, the long inner sleeve is welded, firstly, the long inner sleeve sleeved with a plurality of mattresses passes through between an upper flattening roller 131 and a lower flattening roller 132, and the upper flattening roller 131 and the lower flattening roller 132 are utilized to flatten and straighten the passed inner sleeve, so that the wrinkling phenomenon of the inner sleeve is eliminated;

along with the conveying of the long inner sleeve, after the first mattress completely passes through the ultrasonic die 102, the mattress stops conveying, at this moment, the two sides of the field inner sleeve are clamped and tensioned by the joint matching of the movable clamping component and the fixed clamping component, during clamping, the long inner sleeve is manually pulled firstly, so that one side of the long inner sleeve is positioned between two second clamping plates of the fixed clamping component, along with the movement of the long inner sleeve, the two second clamping plates are mutually far away, namely in an open state, when welding is not needed, the long inner sleeve can smoothly pass through the two second clamping plates, when welding is needed, the two second clamping plates are mutually close, thereby clamping one side of the long inner sleeve, and the movable clamping component is positioned on the other side of the second horizontal moving mechanism, which is close to the long inner sleeve, and the other side of the long inner sleeve is clamped by the two first clamping plates, and the other side of the long clamping sleeve is pulled by the two first clamping plates, so that the other side of the long clamping sleeve is far away from the fixed clamping component is moved, and the inner sleeve is leveled;

After the long inner sleeve is leveled by the movable clamping component and the fixed clamping component, all the pressing plates 103 are driven by the lifting bracket 104 to synchronously descend, the relative positions between the lifting bracket 104 and the stitching machine frame 1 are locked by the locking component after the lifting bracket 104 is lowered in place, then the pressing plates 103 needing to act and the ultrasonic welding machine 101 needing to work are selected according to the width of the long sleeve, the pressing plates 103 with corresponding numbers independently descend under the driving of the second lifting cylinders 108, the long inner sleeve is pressed on the upper end face of the ultrasonic die 102, and then the ultrasonic welding machine 101 works to weld the long inner sleeve to form two welding seams with a certain interval;

After the welding is finished, the second lifting cylinder 108 pulls the corresponding pressing plate 103 to move upwards, then the cutting knife 109 starts to work and moves along the first direction under the drive of the first horizontal moving mechanism, the cutting knife 109 passes through the gap between the two welding seams along the groove 115, and the long inner sleeve is cut off from the gap between the two welding seams, at the moment, the two sides of the head and tail of the first inner sleeve of the mattress are sealed, namely the sealing of the inner sleeve of the first mattress is realized, the head end of the second inner sleeve of the mattress is sealed, then the cutting knife 109 is reset, the long inner sleeve is continuously used, and after the second inner sleeve completely passes through the ultrasonic die 102, the long inner sleeve stops conveying again, and the welding process is repeated, so the process is repeated, and the long inner sleeve sleeved with a plurality of mattresses is sequentially cut into short inner sleeves with the sealed head and tail sides.

When the first mattress is sleeved with the mattress and the cut short inner sleeve is moved to the discharging unit, the mattress is clamped by the discharging unit and continuously moves forwards, when the mattress is moved, the first mattress is pushed inwards to the lower clamping conveying plate 409 by the pushing of the next mattress, then the lower clamping conveying plate 409 is driven by the sixth lifting cylinder 412 to move upwards, the mattress is clamped by the joint matching of the lower clamping conveying plate 409 and the upper clamping conveying plate 407, the clamping conveying support 404 is driven by the sixth horizontal driving mechanism to continuously move forwards for a certain distance, the distance between the first mattress and the second mattress is pulled apart, ultrasonic welding is conveniently carried out, after welding and cutting are completed, the sixth horizontal driving mechanism continuously drives the clamping conveying support 404 to horizontally move away from the sealing and cutting unit, after a certain distance is moved, the lower clamping conveying plate 409 is moved downwards, and simultaneously the clamping conveying support 404 is continuously moved forwards for a certain distance, the short inner sleeve is separated from the lower clamping conveying plate 409, after the separation, the lower clamping conveying plate 409 is moved upwards again, the lower clamping conveying support 409 is moved upwards again until the lower clamping conveying support is positioned at the position close to the bottom end of the mattress, and the second mattress is filled with the cut short inner sleeve, and the mattress is repeatedly conveyed to the position close to the sealing and cut inner sleeve is filled with the mattress, and the mattress is repeatedly cut to the mattress is filled with the cut and cut into the mattress, and the mattress is cut into the mattress and the mattress is cut and cut into a position and is filled into a mattress position and filled with the mattress.

In the present invention, in order to realize automatic production later, a sensor is further required to be installed on the stitching machine frame to detect the moving positions of different action components, for example, the up-down lifting position of the lifting bracket 104, the up-down lifting positions of the upper flattening roller 131 and the lower flattening roller 132, the horizontal moving position of the movable clamping assembly, and the like, so that the automatic detection of each action component provides a basis for realizing automatic production later.

According to the ultrasonic sewing production line for the inner sleeve bags of the mattresses, the inner sleeve bag opening is sealed in an ultrasonic welding mode through the matching among the feeding unit, the bag covering unit, the sealing and cutting unit and the discharging unit, the whole sealing process can be finished through only one-time welding, compared with a sewing and sewing mode, the sewing efficiency is greatly improved, the distance between two adjacent welding seams is reduced in an ultrasonic welding mode, cutting is not needed, no waste is generated, no waste collecting unit is needed, and the structure is simplified.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An ultrasonic sewing production line for a mattress inner sleeve bag is characterized in that: comprising

The feeding unit is used for realizing feeding and conveying of the mattress and comprises a feeding bracket and a feeding conveying assembly arranged on the feeding bracket, wherein the feeding conveying assembly comprises a plurality of feeding conveying rollers which are distributed in parallel along the conveying direction of the mattress, and the feeding conveying rollers are driven to rotate by a feeding motor arranged on the feeding bracket;

The bagging unit is used for conveying a single mattress into the long inner sleeve, and comprises a bagging bracket and a bagging conveying assembly arranged on the bagging bracket, wherein the bagging bracket is driven by a third horizontal moving mechanism to reciprocate, the moving direction of the bagging bracket is vertical to the conveying direction of the mattress, the bagging conveying assembly comprises a bagging conveying belt arranged on the bagging bracket, and an upper bagging assembly and a lower bagging assembly are respectively arranged on the upper side and the lower side of the bagging conveying belt;

The sealing and cutting unit is used for performing ultrasonic welding sealing on the long inner sleeve sleeved with the mattress and cutting the long inner sleeve into the short inner sleeve sleeved with the single mattress, and comprises a sewing machine frame, an ultrasonic welding unit, a pressing unit and a cutting unit which are arranged on the sewing machine frame, wherein the horizontal direction perpendicular to the first direction on the sewing machine frame is defined as a first direction, and the horizontal direction consistent with the conveying direction of the mattress on the sewing machine frame is defined as a second direction;

The sewing machine frame is characterized in that an inner sleeve clamping unit is further arranged at the ultrasonic die and comprises a movable clamping assembly and a fixed clamping assembly which are distributed on two sides of the ultrasonic welding unit along a first direction, wherein the movable clamping assembly comprises a pair of movable clamping plates which are distributed in parallel along a second direction, the movable clamping plates are jointly formed by two first clamping plates which are distributed up and down, the two first clamping plates are driven by a first clamping cylinder to be close to or far away from each other, the movable clamping assembly is driven by a second horizontal moving mechanism to be close to or far away from the fixed clamping assembly, the fixed clamping assembly comprises a pair of fixed clamping plates which are distributed in parallel along the second direction, the fixed clamping plates are jointly formed by two second clamping plates which are distributed up and down, and the two second clamping plates are driven by a second clamping cylinder to be close to or far away from each other;

A locking component is further arranged between the lifting support and the stitching machine frame, and the locking component is as follows: a first locking piece is arranged on one side of the lifting support, the first locking piece is hinged with the lifting support and is driven by a locking cylinder arranged on the lifting support to swing up and down along a hinging point, a second locking piece matched with the first locking piece is arranged at the side end of the stitching machine frame, and the relative position of the lifting support and the stitching machine frame is locked through the matching of the first locking piece and the second locking piece;

The discharging unit is used for conveying the short inner sleeve sleeved with the single mattress, the discharging unit comprises a discharging support and discharging conveying components arranged on the discharging support, the discharging conveying components comprise a plurality of discharging conveying rollers which are distributed in parallel along the conveying direction of the mattress, a plurality of ring-shaped discharging conveying belts are further arranged on the outer sides of the discharging conveying rollers, one side, close to the sealing and cutting unit, of the discharging support is further provided with a clamping conveying support, the clamping conveying support is driven by a sixth horizontal driving mechanism to horizontally move on the discharging support along the conveying direction of the mattress, the clamping conveying support is provided with an upper clamping conveying component and a lower clamping conveying component which are distributed up and down, the upper clamping conveying component comprises a plurality of upper clamping conveying plates which are distributed in parallel, the distribution direction of each upper clamping conveying plate is perpendicular to the conveying direction of the mattress, the lower clamping conveying components comprise a plurality of lower clamping conveying plates which are distributed in parallel, the distribution direction of each lower clamping conveying plate is perpendicular to the conveying direction of the mattress, the lower clamping conveying plates are located above the discharging conveying belts, and the lower clamping conveying plates are driven by the sixth lifting mechanism to be close to or far away from the upper clamping conveying plates.

2. The ultrasonic seaming line for a mattress inner bag of claim 1, wherein: the feeding bracket is also provided with a deviation rectifying assembly, the deviation rectifying assembly comprises a deviation rectifying baffle plate arranged at one side of the feeding bracket, the deviation rectifying baffle plate is arranged above the feeding bracket through a pair of connecting plates, two groups of connecting hole groups which are distributed up and down are arranged on the connecting plates, each group of connecting hole groups consists of a plurality of waist-shaped connecting holes, the connecting hole groups positioned above are connected with the deviation rectifying baffle plate, the extending direction of each connecting hole in the group of connecting hole groups is in a vertical direction, the connecting hole groups positioned below are connected with the feeding bracket, and the extending direction of each connecting hole in the group of connecting hole groups is in a horizontal direction;

3. The ultrasonic seaming line for a mattress inner bag of claim 1, wherein: the feeding side of the sewing machine frame is also provided with an inner sleeve flattening unit, the inner sleeve flattening unit comprises a pair of flattening rollers which are distributed up and down, and the two flattening rollers are driven by independent driving pieces to lift up and down respectively, so that the two flattening rollers are mutually close to or far away from each other, and the flattening rollers are driven by flattening motors to rotate independently.

4. The ultrasonic seaming line for a mattress inner bag of claim 1, wherein: the upper clamping conveying plate and the lower clamping conveying plate are also provided with a plurality of through holes.

5. The ultrasonic seaming line for a mattress inner bag of claim 1, wherein: one side of the lower clamping conveying plate, which is close to the sealing and cutting unit, is provided with a guiding inclined plane, and the inclination direction of the guiding inclined plane gradually inclines upwards from the sealing and cutting unit to the lower clamping conveying plate.