CN114808291B

CN114808291B - Continuous lockstitching folding device for bed sheets

Info

Publication number: CN114808291B
Application number: CN202210732022.1A
Authority: CN
Inventors: 王金华
Original assignee: Nantong Qingya New Material Co ltd
Current assignee: Nantong Qingya New Material Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-09-20
Anticipated expiration: 2042-06-27
Also published as: CN114808291A

Abstract

The invention provides a continuous serging and folding device for a bed sheet, which relates to the technical field of textile equipment and comprises a discharging mechanism, a side serging mechanism, a cutting mechanism, an end serging mechanism, a folding mechanism and a discharging mechanism which are sequentially arranged along the feeding direction; the side edge locking mechanism comprises a first locking frame, a top plate horizontally arranged in the direction perpendicular to the feeding direction is arranged on the first locking frame, and first locking machine heads sliding in the length direction of the top plate are symmetrically arranged at two ends of the top plate; the first flanging frame is provided with a supporting plate positioned below the first flanging machine head, one side of the supporting plate close to the discharging mechanism is symmetrically provided with first folded plates which are in a right-angled trapezoid shape and correspond to the first flanging machine head, the side, far away from each other, of each of the two first folded plates is a beveled edge, and the length of the feeding end of each first folded plate is greater than that of the other end of each first folded plate; the pressing rollers are symmetrically arranged up and down between the supporting plate and the first folding plate, the pressing rollers are symmetrically arranged at two ends of the supporting plate, and the first folding plate and the pressing rollers are respectively slidably mounted on the first locking frame and the supporting plate along the length direction of the supporting plate.

Description

Continuous lockstitching folding device for bed sheets

Technical Field

The invention relates to the technical field of textile equipment, in particular to a continuous locking and folding device for a bed sheet.

Background

The bed sheet is one of four pieces of sets, and is essential bedding. Generally, in the production process of a bed sheet, patterns are knitted on a fabric according to requirements, then the fabric is cut into the specifications required by the bed sheet, then four sides of the bed sheet are manually locked on a sewing machine, the bed sheet is prevented from being off-line, burrs and the like in use, and finally the bed sheet is folded and packaged.

At present, in the actual process of sheet production, the serging and folding of a sheet are carried out separately and need to be operated manually respectively, in the serging process, due to the fact that a sewing machine is small, the area of the sheet is large, the sheet can only be piled up around the sewing machine to carry out serging in a small point mode, the sheet is prone to being dirtied, and the width and the quality of the serging are difficult to guarantee through manual operation. In the process of folding the bed sheet, two persons are needed to work in a matching way. In summary, the problems of poor quality of lockstitching, influence on surface cleaning and quality of the bed sheet, high labor intensity, low production efficiency and the like exist in the current bed sheet production.

Disclosure of Invention

The invention aims to provide a continuous serging and folding device for a bed sheet, which can continuously realize the feeding, serging, cutting, folding and receiving of the bed sheet, ensure the production quality of the bed sheet, reduce the labor intensity of workers and improve the production efficiency.

The technical purpose of the invention is realized by the following technical scheme:

a continuous serging and folding device for a bed sheet comprises a material discharging mechanism, a side serging mechanism, a cutting mechanism, an end serging mechanism, a folding mechanism and a material discharging mechanism which are sequentially arranged along the feeding direction;

the side edge locking mechanism comprises a first locking frame which is vertically arranged, a top plate which is horizontally arranged along the direction perpendicular to the feeding direction is arranged on the first locking frame, first locking machine heads are symmetrically arranged at two ends of the top plate, and the two first locking machine heads are slidably arranged on the top plate along the length direction of the top plate; the first edge locking frame is also provided with a supporting plate parallel to the top plate, and the supporting plate is positioned below the first edge locking machine head and matched with the first edge locking machine head;

one side of the supporting plate, which is close to the discharging mechanism, is provided with first folded plates which are symmetrically arranged on two sides in the feeding direction, and the two first folded plates respectively correspond to the two first flanging machine heads; the first folded plates are in a right-angle trapezoid shape, one sides, far away from each other, of the two first folded plates are bevel edges, and the length of one feeding end of each first folded plate is larger than that of the other feeding end of each first folded plate;

two compression rollers which are symmetrically arranged up and down are arranged between the supporting plate and the first folding plate, and the two compression rollers are arranged along the length direction of the supporting plate and are positioned and rotatably arranged on the first lock edge frame; two ends of the supporting plate are symmetrically provided with pinch rollers which are positioned above the supporting plate and respectively correspond to the two first folding plates, and the pinch rollers are axially arranged along the length direction of the supporting plate; two first folding plate is along backup pad length direction slidable mounting on first lockstitching frame, two pinch roller is along backup pad length direction slidable mounting in the backup pad.

By adopting the technical scheme, the bed sheet raw material is discharged through the discharging mechanism, and is sent to the two sides of the side edge locking mechanism along the feeding direction for locking, then the independent bed sheet with the proper length is cut at the cutting mechanism, and then the two ends of the independent bed sheet are locked at the end part locking mechanism, so that the finished bed sheet is obtained. And then, conveying the finished bed sheet to a folding mechanism for folding, and finally taking out the folded bed sheet from the folding mechanism by using a discharging mechanism. The automatic sheet sewing machine has the advantages that the whole process automatically and continuously realizes feeding, side edge locking, cutting, end edge locking, folding and discharging of a sheet, a continuous production line is formed, manual edge locking and folding are not needed, the labor intensity is effectively reduced, the production efficiency is improved, the quality of automatic edge locking is better than that of manual edge locking, the sheet cannot be piled up on the ground during edge locking, and the cleanness and the production quality of the sheet are guaranteed.

The specific working process of the side edge locking mechanism is that the discharging mechanism sends the bed sheet raw materials to the two first folding plates, the bed sheet raw materials pass through the upper portions of the first folding plates, and folding edges of the side edges of the bed sheet raw materials are folded under the effect of the inclined edges of the first folding plates. The folded bed sheet material passes through the space between the two press rollers. And the pressing roller is utilized to extrude and shape the folded edges at the two sides, so that the folded edge quality is ensured. After the bed sheet raw material is sent out from the space between the press rollers, the folded edges on the two sides pass through the lower parts of the corresponding press rollers, and the press rollers independently roll and shape the folded edges again. And after the rolled and shaped folded edge is sent to the lower part of the first edge locking machine head, the first edge locking machine head works to lock the edge of the folded edge, and the side edge locking of the bed sheet raw material is completed. In the process, the bed sheet raw material is continuously conveyed forwards, and the first edge locking machine head continuously works to realize continuous edge locking. Utilize two first folded plates and the cooperation of first lockstitching aircraft nose to carry out the lockstitching to the sheet side, accomplish both sides lockstitching in the same time, not only the hem effect obtains promoting, and lockstitching efficiency improves greatly moreover.

The two first hemming machine heads are slidably mounted on the top plate along the length direction of the top plate, and the two first folded plates and the two pressing wheels are slidably mounted on the first hemming frame and the supporting plate respectively along the length direction of the supporting plate, so that the positions of the first hemming machine heads, the first folded plates and the pressing wheels can be correspondingly adjusted according to the length of the bed sheet raw material, the bed sheet hemming machine can be matched with bed sheets with different widths to be used for hemming, and the application range of the invention is widened.

Furthermore, guide grooves are formed in the top plate along the length direction of the top plate, and adjusting blocks which are slidably installed in the guide grooves are arranged on the two first edge locking machine heads; the two adjusting blocks are in threaded connection with the adjusting screw rod, and the thread turning directions of the adjusting blocks are opposite; the adjusting screw rod is characterized in that one end of the adjusting screw rod extends out of the guide groove and is connected with an adjusting gear coaxial with the guide groove, a driving gear meshed with the adjusting gear is installed on the first lockstitching frame in a rotating mode in a positioning mode, and the driving gear is connected with an adjusting motor driving the adjusting gear to rotate.

Through adopting above-mentioned technical scheme, regulating block slidable mounting realizes guaranteeing the gliding stability of first lockstitching edge aircraft nose on the roof with the spacing slidable mounting of first lockstitching edge aircraft nose in the guide way. When the first lock limit aircraft nose of needs drive slides, the adjustment motor work drives drive gear and rotates, under drive gear and adjusting gear's meshing effect, realizes driving the adjusting gear and rotates, drives promptly and adjusts the lead screw rotation coaxial with adjusting gear, because adjusting block and adjusting screw threaded connection and its screw thread revolve to opposite, consequently adjusting screw rotates and can drive two regulating blocks and slide in step, is close to or keeps away from each other to realize driving two first lock limit aircraft noses and slide on the roof. By adopting the driving structure, the positions of the two first locking edge machine heads can be fixed at any time, and the two first locking edge machine heads are driven to slide synchronously. And utilize drive gear to drive the adjusting gear and rotate and drive accommodate the lead screw and rotate, compare in directly utilizing motor drive accommodate the lead screw to rotate, control the gliding distance of two first lockstitching aircraft noses more easily, improve the regulation precision.

Furthermore, guide blocks are arranged at the bottom of the first folding plate, guide rods arranged along the length direction of the supporting plate are arranged on the first edge locking frame, and the two guide blocks are slidably arranged on the guide rods; the two ends of the supporting plate are provided with wheel seats sliding along the length direction of the supporting plate, and the pressing wheels are positioned and rotatably arranged on the corresponding wheel seats; the first folded plate, the pressing wheel and the first edge locking machine head which are positioned on the same side are connected through connecting rods.

Through adopting above-mentioned technical scheme, the guide block slidable mounting realizes with two first folding plate slidable mounting on first lockstitching frame on the guide bar. Wheel seat slidable mounting realizes with two pinch rollers slidable mounting in the backup pad. Lie in and connect through the connecting rod between the first folded plate with one side, pinch roller and the first lock limit aircraft nose, like this when the first lock limit aircraft nose of drive removes, but synchronous drive lies in and removes with the first folded plate of one side and pinch roller, not only need not to set up other actuating mechanism, simplifies the structure, guarantees moreover to lie in and can use with the cooperation of first lock limit aircraft nose with the first folded plate of one side, pinch roller all the time, need not additionally again to adjust the three position and make its accurate cooperation.

Furthermore, the end part edge locking mechanism comprises a machine table arranged along the feeding direction, and a circulating material belt is arranged on the machine table; the machine table is provided with two second locking frames arranged along the width direction of the machine table, and the two second locking frames are slidably arranged on the machine table along the length direction of the machine table; each second serging frame is provided with a second serging machine head, and the second serging machine heads are installed on the corresponding second serging frames in a sliding mode along the width direction of the machine platform; every vertical slidable mounting has the serging clamp plate that sets up along its length direction on the second serging frame, the serging clamp plate is located the one side that two second serging aircraft noses are close to each other.

By adopting the technical scheme, after the cutting mechanism cuts the bed sheet raw material with the side edges being subjected to edge locking into the independent bed sheet with proper length, the independent bed sheet is conveyed forwards by the circulating material belt until the two ends of the independent bed sheet respectively correspond to the two second edge locking machine heads. And then driving the overlock press plate to move downwards to press two ends of the independent bed sheet and expose the end part needing overlock, and then moving the two second overlock machine heads respectively along the length direction of the corresponding second overlock frames to overlock two ends of the bed sheet to finish end part overlock of the bed sheet. The edge locking pressing plate is used for pressing the bed sheet firstly and then locking the edge of the end part, so that the bed sheet is prevented from moving in the edge locking process, and the edge locking effect of the end part of the bed sheet is ensured. In addition. The two second locking frames are slidably mounted on the machine table along the length direction of the machine table, so that the positions of the two second locking frames can be adjusted according to different lengths of the bed sheet, the two second locking frames can be aligned with two end portions of the bed sheet, the two second locking machine heads can accurately complete locking the end portions of the bed sheet, the end portion locking effect is guaranteed, and the application range of the invention is effectively widened.

Furthermore, a limiting groove is formed in the second serging frame along the length direction of the second serging frame, and a limiting block which is installed in the limiting groove in a sliding mode is arranged on the second serging machine head; and one side of the limiting groove is provided with a serging rack arranged along the length direction of the limiting groove, a serging gear meshed with the serging rack is rotatably arranged on the limiting block in a positioning manner, and the serging gear is connected with a serging motor for driving the serging gear to rotate.

Through adopting above-mentioned technical scheme, stopper slidable mounting realizes having second serging aircraft nose slidable mounting on second serging frame at the spacing inslot to guarantee the gliding stability of second serging frame. In a normal state, the second serging machine head is located at one end of the second serging frame, when end serging is needed, the serging motor drives the serging gear to rotate, and under the meshing action of the serging gear and the serging rack, the serging gear drives the second serging machine head to integrally slide along the limiting groove until the second serging machine head moves to the other end of the second serging frame, and end serging is completed.

Furthermore, the cutting mechanism comprises a cutting frame arranged along the width direction of the machine table, and the cutting frame is fixed on the machine table and is positioned on one side, close to the first locking frame, of the second locking frame; the vertical slidable mounting has the clamp plate of cutting out along its length direction setting on tailorring the frame, cut out and be equipped with along its length direction setting and run through the groove of cutting out of its terminal surface from top to bottom on the clamp plate, it installs the sword of cutting out that axial pay-off direction set up to roll in the groove of cutting out.

By adopting the technical scheme, when the bed sheet raw material is conveyed forwards to a certain degree and needs to be cut, the cutting pressing plate is driven to move downwards to press the position where the bed sheet raw material needs to be cut off, then the cutting knife is driven to roll from one end to the other end in the cutting groove, and cutting of the bed sheet is completed in the rolling process of the cutting knife. Wherein, the bed sheet is pressed by the cutting press plate, so that the bed sheet can be prevented from moving in the cutting process, the neatness of the cut at the end part of the bed sheet is ensured, and the cutting quality is improved.

Furthermore, the folding mechanism comprises a folding frame which is arranged at one end of the machine platform far away from the first locking frame, the folding frame is arranged along the length direction of the machine platform, a middle folding plate is arranged at the center of the folding frame, end folding plates are symmetrically arranged at two ends of the middle folding plate, and side folding plates are symmetrically arranged at two sides of the middle folding plate; the end folding plates and the side folding plates are rotatably arranged on the folding frame at one ends close to the middle folding plate, the rotating axes of the end folding plates are arranged along the width direction of the folding frame, and the rotating axes of the side folding plates are arranged along the length direction of the folding frame; the middle folded plate is vertically and slidably mounted on the folding frame, and the discharging mechanism is located below the folding frame and on one side of the middle folded plate.

By adopting the technical scheme, after the independent bed sheet is subjected to end edge locking, the bed sheet is conveyed to the folding frame by the work of the circulating material belt, the two side folding plates are sequentially turned towards the direction close to the middle folding plate to finish the folding of the side edge of the bed sheet, and then the two end folding plates are sequentially turned towards the direction close to the middle folding plate to finish the end folding of the bed sheet. Finally, the middle folding plate is driven to move downwards to be matched with the discharging mechanism, the folding bed sheet on the middle folding plate is taken down by the discharging mechanism, discharging is completed, the middle folding plate is reset to fold the next bed sheet, and the folding mechanism is reciprocating, so that automatic folding of the bed sheet is realized, the folding efficiency is effectively improved, and the labor intensity is reduced.

Furthermore, the discharging mechanism comprises a discharging frame which is arranged below the folding frame and positioned on one side of the middle folded plate, a base is arranged on the discharging frame, a vertically arranged discharging shaft is positioned and rotatably mounted on the base, and a discharging plate clamped with the discharging shaft is vertically and slidably mounted on the discharging shaft; a plurality of discharge chutes arranged at intervals are arranged on the middle folded plate, the discharge chutes vertically penetrate through the middle folded plate, and one end of the discharge chutes, which is close to the discharge frame, penetrates through the middle folded plate; the discharging plate is provided with a plurality of discharging rods which are arranged along the length direction of the discharging groove and matched with the discharging groove, a receiving basket is arranged on one side of the discharging rack, and a plurality of abdicating grooves matched with the discharging rods are vertically arranged on the side wall, close to the discharging rack, of the receiving basket; the base is slidably mounted on the discharging frame along the connecting line direction of the material receiving basket and the discharging frame.

Through adopting above-mentioned technical scheme, the folding back of accomplishing of sheet, well folded plate moves down earlier to being close to the discharge bar, then the whole upward movement of discharge plate, and the discharge bar upwards passes the folding sheet that lifts up on the folded plate from the blown down tank, and the folding sheet shifts to the discharge bar from the middle folded plate on. Then the discharge shaft drives the discharge plate to integrally rotate, so that the discharge rod rotates right above the collecting basket, and the discharge rod corresponds to the abdicating groove. Then the discharging plate integrally moves downwards, and the discharging rod moves downwards along the abdicating groove until the folded bed sheet is completely placed into the receiving basket; then the base is wholly to keeping away from receiving the material basket direction and remove, and the discharge rod is pulled out from the inslot of stepping down, and folding sheet is stayed in receiving the material basket, realizes receiving the material to the sheet. After the discharge rod rotates and leaves the upper part of the middle folded plate, the middle folded plate resets, after the discharge rod is pulled out from the abdicating groove, the discharge plate, the discharge shaft and the base reset, so that the folding bed sheet can be automatically taken and received.

Furthermore, the discharging mechanism comprises discharging frames symmetrically arranged at two sides in the feeding direction, one side, close to each other, of each of the two discharging frames is provided with a supporting roller which is axially vertical to the feeding direction, and a discharging roller which is coaxial with the supporting roller is clamped between the two supporting rollers; one end of each of the two support rollers, which is close to the material discharging frame, is provided with a support seat which is arranged on the material discharging frame in a sliding manner along the axial direction of the support roller, and the support rollers are arranged on the support seats in a positioning and rotating manner; the feeding frame is provided with a sliding groove which is arranged along the axial direction of the supporting roller and is matched with the supporting seat, one end of the supporting seat, which is far away from the supporting roller, is arranged in the sliding groove in a sliding way, and a tension spring which is arranged along the length direction of the sliding groove is fixed between the supporting seat and the inner end wall of the sliding groove; the supporting seat outer wall is provided with a limiting convex ring, the discharging frame is rotatably provided with a clamping plate, the rotating axis of the clamping plate is arranged along the axial direction of the supporting roller, and the clamping plate is clamped between the limiting convex ring and the discharging frame when the supporting roller is clamped with the discharging roller.

Through adopting above-mentioned technical scheme, will have the blowing roller of material book to clamp on the backing roll, utilize the backing roll to support the blowing roller and guarantee the rotation blowing of blowing roller. Supporting seat slidable mounting can extract the backing roll from the blowing roller after the material is rolled up to use the completion on the blowing frame to change new blowing roller and material and roll up. The specific operation process is that the clamping plate is rotated to enable the clamping plate to rotate out from between the limiting convex ring and the discharging frame, after the limiting convex ring loses the limiting supporting effect of the clamping plate, the supporting seat slides along the sliding groove in the direction far away from the discharging roller under the tensile force effect of the tensioning spring, and therefore the supporting roller is taken out from the discharging roller. After the new blowing roller of renewal, in the backing roll tip was inserted to the spacing bulge loop of pulling, then rotated the cardboard to between corresponding spacing bulge loop and the blowing frame, utilized the cardboard to support spacing bulge loop, the supporting seat can not follow the guide way and slide and reset. The structure is simple, the operation is convenient, the fast mounting and dismounting of the discharging roller and the material roll are convenient, and the replacement efficiency is improved.

Furthermore, a material lapping seat is arranged below the material placing roller, and an arc-shaped material lapping plate with the upper end facing inwards is arranged on the material lapping seat; the improved arc-shaped material taking device is characterized in that sleeve rods which are vertically arranged in the axial direction are arranged at two ends of the arc-shaped material taking plate, sleeves matched with the sleeve rods are arranged on the material taking seat, a material taking cylinder which is located between the two sleeves is fixed on the material taking seat, and a piston rod of the material taking cylinder is vertically upwards and fixedly connected with the lower end face of the arc-shaped material taking plate.

Through adopting above-mentioned technical scheme, when changing the blowing roller, will roll up the material and take and put on the arc takes the flitch, utilize the arc to take the flitch to roll up the material and support, like this when operation moving support seat, only need a staff can. The arc-shaped material taking plate is vertically slidably mounted on the material taking seat through the cooperation of the sleeve and the loop bar, and when the material rolls are different in size, the material taking cylinder drives the arc-shaped material taking plate to vertically slide, so that the coaxiality of the discharging roller and the supporting roller is adjusted, and the supporting roller can be smoothly inserted into the discharging roller.

In conclusion, the invention has the following beneficial effects:

1. by sequentially arranging the material feeding mechanism, the side edge locking mechanism, the cutting mechanism, the end locking mechanism, the folding mechanism and the material discharging mechanism along the feeding direction, continuous feeding, side edge locking, cutting, end locking, folding and discharging of the bed sheet are automatically realized, a continuous production line is formed, manual locking and folding are not needed, the manual labor intensity is effectively reduced, the production efficiency is improved, the automatic locking quality is better than the manual locking quality, the bed sheet cannot be accumulated on the ground during locking, and the cleanness and the production quality of the bed sheet are ensured;

2. two first hemming machine heads in the side hemming mechanism are slidably mounted on the top plate, two first folding plates are slidably mounted on the first hemming frame, two pressing wheels are slidably mounted on the supporting plate, and two second hemming frames in the end hemming mechanism are slidably mounted on the machine table, so that the positions of the first hemming machine heads, the first folding plates, the pressing wheels and the second hemming frame can be adjusted according to different widths and lengths of the bed sheet, the bed sheet with different widths can be hemmed and subjected to side hemming, the bed sheet with different lengths can be subjected to end hemming, and the application range of the invention is effectively improved;

3. the side serging mechanism is provided with two first serging aircraft noses, and the side serging is carried out earlier before tailorring, can accomplish the serging to the sheet both sides in succession like this in the sheet raw materials forward transportation process, and utilizes two first folded plates and the cooperation of first serging aircraft nose to carry out the serging to the sheet side, accomplishes both sides serging in the same time, and not only the hem effect obtains promoting, and the efficiency of serging improves greatly moreover.

Drawings

FIG. 1 is a schematic view of the overall structure of a continuous locking and folding device for a bed sheet;

FIG. 2 is a schematic structural diagram of a discharge mechanism in a sheet continuous lockedge folding device;

FIG. 3 is a schematic view of a side seaming mechanism in a continuous seaming device for a sheet;

FIG. 4 is a schematic view of the cutting mechanism and the end seaming mechanism of the continuous seaming folding device for the sheet;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a schematic view of the structure of an end-locking mechanism in a continuous locking folding device for a sheet;

FIG. 7 is a schematic view of the folding mechanism of a sheet continuous lockedge folding apparatus;

FIG. 8 is a schematic diagram of the discharge mechanism of the continuous lock edge folding device for a sheet.

In the figure, 01, a discharging mechanism; 02. a side edge locking mechanism; 03. a cutting mechanism; 04. an end lockstitch mechanism; 05. a folding mechanism; 06. a discharging mechanism; 1. a material placing frame; 11. a sliding groove; 12. clamping a plate; 13. a supporting seat; 131. a support roller; 132. a limit convex ring; 133. tensioning the spring; 14. a discharge roller; 15. a material lapping seat; 151. a sleeve; 152. a material mixing cylinder; 16. an arc-shaped material lapping plate; 161. a loop bar; 17. a feed roller; 2. a first lockframe; 21. a top plate; 211. a guide groove; 22. a first lockstitching head; 221. an adjusting block; 23. adjusting the screw rod; 231. an adjusting gear; 232. a drive gear; 233. adjusting the motor; 24. a support plate; 25. a wheel seat; 251. a pinch roller; 252. a micro motor; 26. a first folded plate; 261. a guide block; 262. a guide bar; 27. a connecting rod; 28. a compression roller; 3. cutting frame; 31. cutting a pressing plate; 311. cutting a press cylinder; 32. cutting a groove; 321. a hob rack; 33. a cutting knife; 331. a hob gear; 332. a hob motor; 4. a machine platform; 41. circulating the material belt; 42. a second lockrand frame; 421. a limiting groove; 422. a serging rack; 423. an adjusting cylinder; 43. a second serging machine head; 431. a limiting block; 432. a serging gear; 433. a serging motor; 44. a serging pressure plate; 441. a platen cylinder; 5. a folding frame; 51. a middle folded plate; 511. a discharge chute; 512. a blanking cylinder; 52. a side folded plate; 53. end folding plates; 54. turning over a motor; 55. a feed roll; 6. a discharging frame; 61. a base; 611. pulling out the cylinder; 62. discharging the material shaft; 621. a discharging motor; 63. a discharge plate; 631. a discharge rod; 632. discharging the material cylinder; 64. a material receiving basket; 641. a yielding groove; 7. a console.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A continuous locking and folding device for a bed sheet is shown in figure 1 and comprises a discharging mechanism 01, a side locking mechanism 02, a cutting mechanism 03, an end locking mechanism 04, a folding mechanism 05 and a discharging mechanism 06 which are arranged in sequence along the feeding direction. Drop feed mechanism 01 is used for the loose bed sheet raw materials of putting, and side lockstitching mechanism 02 is used for lockstitching the border to the bed sheet raw materials along the both sides limit of pay-off direction, and cutting mechanism 03 is used for tailorring the bed sheet raw materials for the independent bed sheet of required length, and tip lockstitching mechanism 04 is used for lockstitching the border to independent bed sheet both ends, and folding mechanism 05 is used for carrying out the automatic folding to all around through the bed sheet of lockstitching the border, and discharge mechanism 06 is used for taking off the bed sheet that will fold. The continuous feeding, side seaming, cutting, end seaming, automatic folding and blanking of the bed sheet are automatically realized in the whole process, a continuous production line is formed, manual seaming and folding are not needed, the labor intensity of workers is effectively reduced, the production efficiency of the bed sheet is improved, and the cleanness and the quality of the bed sheet production are ensured.

As shown in fig. 1, a control console 7 for controlling the automatic operation and linkage of the material placing mechanism 01, the side edge locking mechanism 02, the cutting mechanism 03, the end edge locking mechanism 04, the folding mechanism 05 and the discharging mechanism 06 through a PLC system is disposed on one side of the end edge locking mechanism 04, and the automatic control technology is the prior art and is not described in detail.

The specific structure of each mechanism is explained in detail in the feeding direction in turn.

As shown in fig. 1 and 2, the discharging mechanism 01 includes discharging frames 1 symmetrically disposed at two sides of the feeding direction, two discharging frames 1 are vertically disposed, and one side of each discharging frame 1 close to each other is provided with a supporting roller 131 axially perpendicular to the feeding direction, a discharging roller 14 coaxial with the supporting roller 131 and provided with a material roll is clamped between the two supporting rollers 131, and the discharging roller 14 drives the material roll to rotate and discharge materials in the feeding process. A plurality of feed rollers 17 which are parallel to the discharge rollers 14 and are staggered up and down are arranged in the feeding direction of one side of each of the two discharge frames 1 close to the side edge locking mechanism 02, and the bed sheet raw material bypasses the feed rollers 17 in an S shape and is conveyed forwards.

As shown in fig. 2, two support rollers 131 are slidably mounted on the blowing frame 1 along the axial direction thereof in order to facilitate the replacement of the blowing roller 14 after the material roll is used up. In this embodiment, one end of each of the two supporting rollers 131 close to the corresponding discharging rack 1 is provided with a supporting seat 13 arranged along the axial direction thereof, one end of each of the supporting rollers 131 far away from the discharging roller 14 is positioned and rotatably mounted on the supporting seat 13, and the supporting seat 13 is axially slidably mounted on the discharging rack 1 along the supporting rollers 131. The sliding grooves 11 which are axially arranged along the supporting rollers 131 are formed in the mutually close sides of the two discharging frames 1, one end, far away from the supporting rollers 131, of the supporting seat 13 is slidably mounted in the corresponding sliding groove 11, a tensioning spring 133 which is arranged along the sliding direction of the supporting seat is fixed between one end, located in the sliding groove 11, of the supporting seat and the inner end wall of the sliding groove 11, and in a normal state, under the action of tensioning force of the tensioning spring 133, the distance between the mutually close ends of the two supporting rollers 131 is larger than the length of the discharging rollers 14.

As shown in fig. 2, in order to fix the supporting seat 13 when the supporting roller 131 is clamped with the discharging roller 14, a limiting convex ring 132 is arranged on the outer wall of one end of the supporting seat 13 located outside the sliding groove 11, a clamping plate 12 is arranged on the discharging frame 1, one end of the clamping plate 12 is rotatably installed on the discharging frame 1, and the rotating axis of the clamping plate 12 is arranged along the sliding direction of the supporting seat 13. When the supporting roller 131 is clamped with the discharging roller 14, the clamping plate 12 is clamped between the limiting convex ring 132 and the discharging frame 1, and the limiting convex ring 132 is abutted against the side face of the clamping plate 12 close to each other. The support base 13 is prevented from being pulled into the slide groove 11 by the tensile force of the tension spring 133 by the catch plate 12 abutting against the stopper boss 132.

As shown in FIG. 2, when the discharging roller 14 needs to be replaced, the clamping plate 12 is rotated to rotate out from between the limiting convex ring 132 and the discharging frame 1, and after the limiting convex ring 132 loses the limiting supporting function of the clamping plate 12, the supporting seat 13 slides under the tension of the tension spring 133 to take out the supporting roller 131 from the discharging roller 14. After a new discharging roller 14 is replaced, the end part of the supporting roller 131 is inserted into the discharging roller 14 by pulling the limiting convex ring 132, and then the clamping plate 12 is rotated and reset.

In order to further improve the convenience of replacing the discharging roller 14, as shown in fig. 2, a material placing seat 15 is arranged below the discharging roller 14, and an arc-shaped material placing plate 16 with an upper end surface concave inwards is arranged on the material placing seat 15. The two ends of the arc-shaped material overlapping plate 16 are provided with sleeve rods 161 which are axially and vertically arranged, the material overlapping seat 15 is provided with a sleeve 151 matched with the sleeve rods 161, and the sleeve 151 is vertically and slidably arranged in the sleeve rods 161. The material mixing base 15 is further fixed with a material mixing cylinder 152 located between the two sleeves 151, and a piston rod of the material mixing cylinder 152 is vertically upward and is fixedly connected with the center position of the lower end face of the arc-shaped material mixing plate 16.

As shown in fig. 2, when the material feeding roller 14 is replaced, the material roll is placed on the arc-shaped material placing plate 16, and the material roll is supported by the arc-shaped material placing plate 16, so that only one worker is required to operate the movable support base 13. The arc-shaped material overlapping plate 16 is vertically and slidably mounted on the material overlapping seat 15, when the material rolls are different in size, the material overlapping cylinder 152 drives the arc-shaped material overlapping plate 16 to vertically slide, so that the coaxiality of the discharging roller 14 and the supporting roller 131 is adjusted, the supporting roller 131 can be smoothly inserted into the discharging roller 14, and the operation is more convenient.

As shown in fig. 3, the side edge locking mechanism 02 includes a first locking frame 2 vertically arranged, a top plate 21 horizontally arranged along a direction perpendicular to a feeding direction is arranged at the top of the first locking frame 2, and first locking heads 22 are symmetrically arranged at two ends of the top plate 21; a supporting plate 24 parallel to the top plate 21 is further arranged on the first hemming frame 2, and the supporting plate 24 is located below the first hemming head 22 and is matched with the first hemming head 22. As shown in fig. 1 and 3, first folding plates 26 symmetrically arranged on two sides in the feeding direction and respectively corresponding to the two first hemming heads 22 are arranged on one side of the support plate 24 close to the discharging mechanism 01, the first folding plates 26 are in a right-angled ladder shape, one sides of the two first folding plates 26 away from each other are oblique sides, and the length of one feeding end of each first folding plate is greater than that of the other feeding end of each first folding plate. In this embodiment, the first folding plate 26 is disposed obliquely, and one end of the first folding plate 26 close to the support plate 24 is a higher end, so that the sheet material fed from the feeding roller 17 bypasses the first folding plate 26 from above the first folding plate 26, and the edge folding processing of the side edge of the sheet material is realized by the oblique edge of the first folding plate 26.

As shown in fig. 3, two compression rollers 28 are further disposed between the supporting plate 24 and the first folding plate 26, the two compression rollers 28 are disposed along the length direction of the supporting plate 24 and are positioned and rotatably mounted on the first hemming frame 2, the sheet material hemmed by the first folding plate 26 passes through the space between the two compression rollers 28, and the compression rollers 28 are used for extruding and shaping the hemmed edges at two sides to ensure hemming quality. In addition, as shown in fig. 3, wheel bases 25 are symmetrically disposed at two ends of the supporting plate 24, a pressing wheel 251 axially disposed along the length direction of the supporting plate 24 is rotatably mounted at a side where the two wheel bases 25 are close to each other, and a micro motor 252 for driving the corresponding pressing wheel 251 to rotate is fixed on the wheel base 25. After the sheet material is sent out between the press rollers 28, the folded edges at the two sides pass under the corresponding press rollers 251, and the press rollers 251 roll and shape the folded edges independently again. After the rolled and shaped folded edge is sent to the position below the first edge locking machine head 22, the first edge locking machine head 22 works to lock the folded edge, and side edge locking of the bed sheet raw material is completed.

In order to increase the applicability of the present invention, which can be used to hem and lock the edges of sheet materials with different widths, as shown in fig. 3, two first folding plates 26 are slidably mounted on the first hemming frame 2 along the length direction of the supporting plate 24, two wheel bases 25 are slidably mounted on the supporting plate 24 along the length direction of the supporting plate 24, and two first hemming heads 22 are slidably mounted on the top plate 21 along the length direction of the top plate 21. In this embodiment, a guide block 261 is disposed at the bottom of each first flap 26, a guide rod 262 disposed along the length direction of the support plate 24 is disposed on the first lockframe 2, and the two guide blocks 261 are slidably mounted on the guide rod 262, so as to slidably mount the first flap 26 on the first lockframe 2.

As shown in fig. 3, the side wall of the wheel seat 25 is provided with a U-shaped groove matched with the side wall of the support plate 24, so that the wheel seat 25 is slidably mounted on the support plate 24, wherein the first folding plate 26, the wheel seat 25 and the first locking head 22 which are positioned on the same side are connected through a connecting rod 27, so that only one of the three is driven to move, the three can be driven to synchronously move, the consistency of position adjustment of the three is ensured, and additional calibration is not needed.

As shown in fig. 3, in the present embodiment, in order to drive the two first hemming heads 22 to move on the top plate 21, a guide groove 211 is formed in the top plate 21 along the length direction thereof, and the two first hemming heads 22 are provided with an adjusting block 221 slidably mounted in the guide groove 211. An adjusting screw rod 23 arranged along the length direction of the guide groove 211 is positioned and rotatably arranged in the guide groove, and two adjusting blocks 221 are in threaded connection with the adjusting screw rod 23 and have opposite thread screwing directions. An adjusting gear 231 coaxial with the adjusting screw 23 is connected to one end of the adjusting screw extending out of the guide groove 211, a driving gear 232 meshed with the adjusting gear 231 is rotatably mounted on the first lockframe 2 in a positioning manner, and the driving gear 232 is connected with an adjusting motor 233 for driving the driving gear to rotate.

As shown in fig. 3, when the first hemming head 22 needs to be driven to slide, the adjustment motor 233 works to drive the driving gear 232 to rotate, and under the meshing action of the driving gear 232 and the adjustment gear 231, the adjustment gear 231 is driven to rotate, that is, the adjustment screw 23 coaxial with the adjustment gear 231 is driven to rotate, and since the adjustment blocks 221 and the adjustment screw 23 are in threaded connection and the thread turning directions are opposite, the adjustment screw 23 rotates to drive the two adjustment blocks 221 to slide synchronously and approach or separate from each other, so that the two first hemming heads 22 are driven to slide on the top plate 21.

As shown in fig. 1, the end-locking mechanism 04 includes a machine table 4 arranged along the feeding direction, a circulating material belt 41 is arranged on the machine table 4, and the end of the sheet material passing through the side-locking is laid on the surface of the circulating material belt 41 and conveyed forward. The cutting mechanism 03 comprises a cutting frame 3 arranged along the width direction of the machine table 4, and the cutting frame 3 is fixed on the machine table 4 and is positioned on one side close to the first lockstitching frame 2. As shown in fig. 4 and 5, the cutting frame 3 is provided with a cutting platen 31 provided along the longitudinal direction thereof, and the cutting frame 3 is fixed with a cutting cylinder 311 for driving the cutting platen 31 to slide vertically. The cutting plate 31 is provided with a cutting groove 32 which is provided along the longitudinal direction and penetrates the upper and lower end surfaces thereof, and a cutting blade 33 which is provided in the axial feeding direction is mounted in the cutting groove 32 in a rolling manner.

As shown in fig. 4 and 5, when the sheet material is conveyed forward to a certain extent and needs to be cut, the cutting pressing plate 31 is driven to move downward to press the position where the sheet material needs to be cut, so that the sheet is prevented from moving in the cutting process, and the neatness of the cut at the end part of the sheet is ensured. Then the cutting knife 33 is driven to roll from one end to the other end in the cutting groove 32, and the cutting of the bed sheet is completed in the rolling process of the cutting knife 33.

As shown in fig. 5, in order to drive the cutting knife 33 to roll and cut the bed sheet, in the present embodiment, the rolling shaft of the cutting knife 33 is located outside the cutting groove 32 and is connected to the hob gear 331 coaxial therewith, and the hob gear 331 is connected to the hob motor 332 for driving the hob gear 331 to rotate; a hob rack 321 located on one side of the cutting groove 32 and arranged along the longitudinal direction of the cutting groove 32 is provided on the upper end surface of the cutting platen 31, and the hob gear 331 is engaged with the hob rack 321. The hob gear 331 is driven by the hob motor 332 to rotate, and the hob gear 331 is engaged with the hob rack 321, thereby driving the cutting knife 33 to slide along the cutting groove 32 and simultaneously rolling to cut the sheet.

As shown in fig. 4 and fig. 6, in this embodiment, the end-part serging mechanism 04 further includes two second serging frames 42 disposed along the width direction of the machine table 4, each second serging frame 42 is provided with a second serging head 43, and the second serging head 43 is slidably mounted on the corresponding second serging frame 42 along the width direction of the machine table 4. And a serging pressing plate 44 arranged along the length direction of each second serging frame 42 is vertically and slidably mounted on each second serging frame 42, the serging pressing plate 44 is positioned at one side of the two second serging machine heads 43 close to each other and is connected with a pressing plate cylinder 441 for driving the second serging machine heads to vertically slide, and the pressing plate cylinder 441 is fixed on the second serging frame 42.

As shown in fig. 4 and fig. 6, after the cutting mechanism 03 cuts the sheet material whose side edges are stitched into an independent sheet with a suitable length, the circulating material belt 41 conveys the independent sheet forward until two ends of the independent sheet respectively correspond to the two second stitching machine heads 43. Then the pressing plate cylinder 441 drives the overlock pressing plate 44 to move downwards to press the two ends of the independent bed sheet and expose the end part needing overlock, so as to prevent the bed sheet from moving in the overlock process. Then, the two second serging machine heads 43 respectively move along the length direction of the corresponding second serging frames 42 to serge the two ends of the bed sheet, thereby completing the end serging of the bed sheet. In order to increase the application range of the present invention, the two second lockstitching frames 42 are slidably mounted on the machine base 4 along the length direction of the machine base 4, and are respectively connected to the adjusting cylinders 423 fixed on the machine base 4 for driving the machine base to slide back and forth.

As shown in fig. 6, in order to slidably mount the second serging head 43 on the second serging frame 42, a limiting groove 421 is formed in the second serging frame 42 along the length direction thereof, and a limiting block 431 is formed in the second serging head 43 and slidably mounted in the limiting groove 421. A serging rack 422 arranged along the length direction of the limiting groove 421 is arranged on one side of the limiting groove 421, a serging gear 432 meshed with the serging rack 422 is positioned and rotatably arranged on the limiting block 431, and the serging gear 432 is connected with a serging motor 433 for driving the serging gear to rotate. In a normal state, the second serging machine head 43 is located at one end of the second serging frame 42, when end serging is needed, the serging motor 433 drives the serging gear 432 to rotate, and under the meshing action of the serging gear 432 and the serging rack 422, the serging gear 432 drives the second serging machine head 43 to integrally slide along the limiting groove 421 until the second serging machine head 43 moves to the other end of the second serging frame 42, so that end serging is completed.

As shown in fig. 1 and 7, the folding mechanism 05 includes a folding frame 5 disposed at an end of the machine table 4 far from the first lockframe 2, and a plurality of feeding rollers 55 disposed along a width direction of the folding frame 5 are disposed at two sides of the folding frame 5 along a length direction thereof, for feeding the sheet fed from the circulating material belt 41 forward.

As shown in fig. 7, a middle flap 51 is provided at the center of the folding leg 5, end flaps 53 are symmetrically provided at both ends of the middle flap 51, side flaps 52 are symmetrically provided at both sides of the middle flap 51, the width of the side flaps 52 is slightly smaller than that of the middle flap 51, the width of the end flaps 53 and the middle flap 51 is equal, and the length of the end flaps 53 is not smaller than that of the middle flap 51. The end flap 53 and the side flap 52 are rotatably mounted on the folding frame 5 near one end of the middle flap 51, the rotation axis of the end flap 53 is arranged along the width direction of the folding frame 5, the rotation axis of the side flap 52 is arranged along the length direction of the folding frame 5, and the end flap 53 and the side flap 52 are respectively connected with a turnover motor 54 for driving the end flap to turn over. In addition, the bottom of the middle folding plate 51 is connected with a blanking cylinder 512 for driving the middle folding plate to vertically slide, and the discharging mechanism 06 is positioned below the folding frame 5 and on one side of the middle folding plate 51.

After the individual sheets have been end-stitched as shown in fig. 1 and 7, the endless web 41 and feed rollers 55 are operated to feed the sheets to the folding frame 5 with the center of the sheet aligned with the center of the central flap 51. The turning motor 54 of one side flap 52 drives the side flap 52 to turn towards the direction close to the middle flap 51, so that the folded restoration of a single side edge of the bed is completed, and the other side flap 52 repeats the action to complete the folded restoration of the other side edge of the single side edge of the bed. Then, the flap 53 is driven by the turning motor 54 of one end flap 53 to turn towards the direction close to the middle flap 51, so that the folded restoration of one end of the sheet is completed, and the flap 53 at the other end repeats the action to complete the folded restoration of the other end of the sheet. Therefore, the bed sheet is folded to be approximately one ninth of the original size, the middle folding plate 51 is driven to move downwards to be matched with the discharging mechanism 06, the folded bed sheet on the middle folding plate 51 is taken down by the discharging mechanism 06, discharging is completed, and the middle folding plate 51 is reset to fold the next bed sheet.

As shown in fig. 7 and 8, in the present embodiment, the discharging mechanism 06 includes a discharging frame 6 disposed below the folding frame 5 and located on one side of the middle folding plate 51, a receiving basket 64 is disposed on one side of the discharging frame 6, after the middle folding plate 51 moves down, the middle folding plate 51, the discharging frame 6 and the receiving basket 64 form an L shape, and the discharging frame 6 is located at a right angle. The discharging frame 6 is provided with a base 61 which slides along the direction of the connecting line of the receiving basket 64 and the discharging frame 6, and the base 61 is connected with a pulling cylinder 611 which drives the base to slide; a vertically arranged discharging shaft 62 is positioned and rotatably mounted on the base 61, and the discharging shaft 62 is connected with a discharging motor 621 for driving the discharging shaft to rotate; the discharging shaft 62 is vertically and slidably provided with a discharging plate 63 clamped with the discharging shaft, and the discharging plate 63 is connected with a discharging cylinder 632 for driving the discharging plate to vertically slide.

As shown in fig. 8, the middle folding plate 51 is provided with a plurality of discharging chutes 511 which are arranged at intervals and penetrate the middle folding plate 51 from top to bottom, and one end of each discharging chute 511, which is close to the discharging rack 6, penetrates through the middle folding plate 51; the discharging plate 63 is provided with a plurality of discharging rods 631 arranged along the length direction of the discharging groove 511 and matched with the discharging groove 511, and the side wall of the receiving basket 64 close to the discharging rack 6 is vertically provided with a plurality of yielding grooves 641 matched with the discharging rods 631.

As shown in FIG. 8, after the sheet is folded, the middle folding plate 51 moves downward to be close to the discharging rod 631, then the discharging plate 63 moves upward as a whole, the discharging rod 631 passes upward from the discharging slot 511 through the folded sheet lifted from the middle folding plate 51, and the folded sheet is transferred from the middle folding plate 51 to the discharging rod 631. Then the discharging shaft 62 drives the discharging plate 63 to rotate integrally, so that the discharging rod 631 rotates to a position right above the collecting basket 64, and the discharging rod 631 corresponds to the abdicating groove 641. Then the discharging plate 63 moves downward integrally, and the discharging rod 631 moves downward along the abdicating groove 641 until the folded bed sheet is completely placed in the receiving basket 64; then the base 61 moves towards the direction away from the receiving basket 64, the discharging rod 631 is pulled out from the abdicating groove 641, and the folded bed sheet is left in the receiving basket 64, so that the receiving of the bed sheet is realized. After the discharging rod 631 rotates to leave the upper part of the middle folding plate 51, the middle folding plate 51 is reset, after the discharging rod 631 is pulled out from the abdicating groove 641, the discharging plate 63, the discharging shaft 62 and the base 61 are reset, and the automatic material taking and receiving of the folded bed sheet are realized in such a reciprocating manner.

The working principle and the using method of the invention are as follows:

automatic discharging:the discharging roller 14 is clamped with the supporting roller 131, and the sheet material bypasses the feeding roller 17 to be conveyed forwards in an S shape. When the material roll on the discharging roller 14 is used up, the discharging roller 14 is replaced, the clamping plate 12 is rotated to rotate out from between the limiting convex ring 132 and the discharging frame 1, and the supporting seat 13 slides under the tension of the tension spring 133 to take out the supporting roller 131 from the discharging roller 14. The new discharging roller 14 is placed on the arc-shaped material placing plate 16, the arc-shaped material placing plate 16 is driven to vertically move to adjust the coaxiality of the discharging roller 14 and the supporting roller 131, then the limiting convex ring 132 is pulled to insert the end part of the supporting roller 131 into the discharging roller 14, and the clamping plate 12 is rotated to reset.

Side edge seaming:sheet material fed from the feed roll 17 passes over the first flap 26 and around the first flap 26 to fold the side edges of the sheet material. The sheet material folded by the first folded plate 26 passes through between the two pressing rollers 28 for extrusion and shaping, and the folded parts at the two sides are sent out from the pressing rollers 28 and then are subjected to rolling and shaping again from the lower part of the corresponding pressing roller 251. After the rolled and shaped folded edge is sent to the position below the first edge locking machine head 22, the first edge locking machine head 22 works to lock the folded edge, and the side edge locking of the bed sheet raw material is completed.

End cutting:when the bed sheet raw material is conveyed forwards to a certain degree and needs to be cut, the cutting pressing plate 31 is driven to move downwards to press the position where the bed sheet raw material needs to be cut off, the bed sheet is prevented from moving in the cutting process, and the neatness of the cut of the end part of the bed sheet is ensured. Then the cutting knife 33 is driven to roll from one end to the other end in the cutting groove 32, and the cutting of the bed sheet is completed during the rolling process of the cutting knife 33.

End seaming:the circulating material belt 41 conveys the independent sheet forward until the two ends of the independent sheet respectively correspond to the two second serging machine heads 43. Then the serging press plate 44 is driven to move downwards to press the two ends of the independent bed sheet and expose the end needing serging, and then two second serging machine heads 43 are separatedAnd the two ends of the bed sheet are respectively locked by moving along the length direction of the corresponding second locking frame 42, so that the end part locking of the bed sheet is completed.

Sheet folding:after the individual sheets have been end-stitched, the endless web 41 and feed rollers 55 are operated to feed the sheets to the folding frame 5 so that the sheet is centered over the center of the central flap 51. The two side folding plates 52 are successively turned towards the direction close to the middle folding plate 51 to complete the folding of the single side edge of the bed, and then the two end folding plates 53 are successively turned towards the direction close to the middle folding plate 51 to complete the folding of the end part of the bed sheet, thereby realizing the folding of the bed sheet into one ninth of the original size.

Sheet discharging:after the sheet is folded, the middle folding plate 51 moves downwards to be close to the discharging rod 631, and then the discharging plate 63 moves upwards integrally to enable the discharging rod 631 to penetrate upwards from the discharging groove 511, so that the folded sheet on the middle folding plate 51 is lifted; then the discharging shaft 62 rotates to make the discharging rod 631 rotate right above the collecting basket 64, then the discharging plate 63 integrally moves downwards, and the discharging rod 631 moves downwards along the abdicating groove 641 until the folded bed sheet is completely placed in the collecting basket 64; then, the base 61 integrally moves in a direction away from the receiving basket 64, the discharging rod 631 is pulled out of the abdicating groove 641, and the folded bed sheet is left in the receiving basket 64, so that the bed sheet is received. The middle folding plate 51, the discharging plate 63, the discharging shaft 62 and the base 61 are reset, and reciprocating is performed, so that automatic material taking and receiving of the folded bed sheet are achieved.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a continuous lockstitching folding device of sheet which characterized in that: the automatic edge-locking device comprises a material discharging mechanism (01), a side edge locking mechanism (02), a cutting mechanism (03), an end locking mechanism (04), a folding mechanism (05) and a material discharging mechanism (06) which are arranged in sequence along the feeding direction;

the side edge locking mechanism (02) comprises a first locking frame (2) which is vertically arranged, a top plate (21) which is horizontally arranged along the direction perpendicular to the feeding direction is arranged on the first locking frame (2), first locking machine heads (22) are symmetrically arranged at two ends of the top plate (21), and the two first locking machine heads (22) are slidably arranged on the top plate (21) along the length direction of the top plate (21); the first edge locking frame (2) is further provided with a supporting plate (24) parallel to the top plate (21), and the supporting plate (24) is located below the first edge locking machine head (22) and matched with the first edge locking machine head (22);

one side, close to the discharging mechanism (01), of the supporting plate (24) is provided with first folded plates (26) symmetrically arranged on two sides in the feeding direction, and the two first folded plates (26) correspond to the two first flanging machine heads (22) respectively; the first folded plates (26) are in a right-angle trapezoid shape, one sides, far away from each other, of the two first folded plates (26) are oblique sides, and the length of one feeding end of each first folded plate is larger than that of the other end of each first folded plate;

two compression rollers (28) which are symmetrically arranged up and down are arranged between the supporting plate (24) and the first folded plate (26), and the two compression rollers (28) are arranged along the length direction of the supporting plate (24) and are positioned, rotated and installed on the first lock frame (2); two ends of the supporting plate (24) are symmetrically provided with pressing wheels (251) which are positioned above the supporting plate and respectively correspond to the two first folded plates (26), and the pressing wheels (251) are axially arranged along the length direction of the supporting plate (24); the two first folded plates (26) are slidably mounted on the first lock frame (2) along the length direction of the support plate (24), and the two pressing wheels (251) are slidably mounted on the support plate (24) along the length direction of the support plate (24);

the end part serging mechanism (04) comprises a machine table (4) arranged along the feeding direction, and a circulating material belt (41) is arranged on the machine table (4); the machine table (4) is provided with two second locking frames (42) arranged along the width direction of the machine table, and the two second locking frames (42) are slidably arranged on the machine table (4) along the length direction of the machine table (4); each second overlocking frame (42) is provided with a second overlocking machine head (43), and the second overlocking machine heads (43) are slidably mounted on the corresponding second overlocking frames (42) along the width direction of the machine table (4); each second serging frame (42) is vertically and slidably provided with a serging pressing plate (44) arranged along the length direction of the second serging frame, and the serging pressing plates (44) are positioned on one sides of two second serging machine heads (43) which are close to each other;

the cutting mechanism (03) comprises a cutting frame (3) arranged along the width direction of the machine table (4), and the cutting frame (3) is fixed on the machine table (4) and is positioned on one side, close to the first locking frame (2), of the second locking frame (42); a cutting press plate (31) arranged along the length direction of the cutting frame (3) is vertically and slidably mounted on the cutting frame, a cutting groove (32) which is arranged along the length direction of the cutting press plate and penetrates through the upper end surface and the lower end surface of the cutting press plate (31) is formed in the cutting press plate (31), and a cutting knife (33) arranged along the axial feeding direction is rotatably mounted in the cutting groove (32);

the folding mechanism (05) comprises a folding frame (5) arranged at one end, far away from the first lock frame (2), of the machine table (4), the folding frame (5) is arranged along the length direction of the machine table (4), a middle folding plate (51) is arranged at the center of the folding frame, end folding plates (53) are symmetrically arranged at two ends of the middle folding plate (51), and side folding plates (52) are symmetrically arranged at two sides of the middle folding plate (51); the end folding plate (53) and the side folding plate (52) are rotatably arranged on the folding frame (5) at one end close to the middle folding plate (51), the rotating axis of the end folding plate (53) is arranged along the width direction of the folding frame (5), and the rotating axis of the side folding plate (52) is arranged along the length direction of the folding frame (5); the middle folded plate (51) is vertically and slidably mounted on the folding frame (5), and the discharging mechanism (06) is positioned below the folding frame (5) and on one side of the middle folded plate (51);

the discharging mechanism (06) comprises a discharging frame (6) which is arranged below the folding frame (5) and is positioned on one side of the middle folded plate (51), a base (61) is arranged on the discharging frame (6), a vertically arranged discharging shaft (62) is positioned and rotatably mounted on the base (61), and a discharging plate (63) clamped with the discharging shaft (62) is vertically and slidably mounted on the discharging shaft (62); a plurality of discharging grooves (511) arranged at intervals are arranged on the middle folded plate (51), the discharging grooves (511) vertically penetrate through the middle folded plate (51), and one end of the discharging grooves (511) close to the discharging frame (6) penetrates through the middle folded plate (51); the discharging plate (63) is provided with a plurality of discharging rods (631) which are arranged along the length direction of the discharging groove (511) and are matched with the discharging groove (511), one side of the discharging rack (6) is provided with a receiving basket (64), and the side wall, close to the discharging rack (6), of the receiving basket (64) is vertically provided with a plurality of abdicating grooves (641) matched with the discharging rods (631); the base (61) is slidably mounted on the discharging frame (6) along the connecting line direction of the material receiving basket (64) and the discharging frame (6).

2. The continuous serging and folding device of a bed sheet as claimed in claim 1, wherein: the top plate (21) is provided with guide grooves (211) arranged along the length direction of the top plate, and the two first lock edge machine heads (22) are provided with adjusting blocks (221) which are slidably arranged in the guide grooves (211); the adjusting screw rod (23) arranged along the length direction of the guide groove (211) is positioned and rotatably installed in the guide groove (211), and the two adjusting blocks (221) are in threaded connection with the adjusting screw rod (23) and have opposite thread turning directions; adjusting screw (23) one end is stretched out guide way (211) and is connected with rather than coaxial adjusting gear (231), fix a position on first lockstitching frame (2) and rotate and install drive gear (232) with adjusting gear (231) meshing, drive gear (232) are connected with its pivoted adjusting motor (233) of drive.

3. A device for continuously overhanding and folding a sheet according to claim 1 or 2, wherein: the bottom of the first folded plate (26) is provided with a guide block (261), the first lockframe (2) is provided with a guide rod (262) arranged along the length direction of the support plate (24), and the two guide blocks (261) are slidably arranged on the guide rod (262); wheel seats (25) sliding along the length direction of the supporting plate (24) are arranged at the two ends of the supporting plate, and the pressing wheels (251) are positioned and rotatably arranged on the corresponding wheel seats (25); the first folded plate (26), the pressing wheel (251) and the first edge locking machine head (22) which are positioned on the same side are connected through a connecting rod (27).

4. The continuous serging and folding device of a bed sheet as claimed in claim 1, wherein: a limiting groove (421) arranged along the length direction of the second serging frame (42) is arranged on the second serging frame, and a limiting block (431) slidably arranged in the limiting groove (421) is arranged on the second serging machine head (43); spacing groove (421) one side is equipped with lockstitching a border rack (422) that sets up along its length direction, stopper (431) are gone up the location and are rotated lockstitching a border gear (432) of installing lockstitching a border rack (422) meshing, just lockstitching a border gear (432) are connected with its pivoted motor (433) of drive.

5. The continuous serging and folding device of a bed sheet as claimed in claim 1, wherein: the feeding mechanism (01) comprises feeding frames (1) symmetrically arranged at two sides in the feeding direction, one side, close to each other, of each of the two feeding frames (1) is provided with a supporting roller (131) axially perpendicular to the feeding direction, and a feeding roller (14) coaxial with the supporting roller is clamped between the two supporting rollers (131); one end of each of the two supporting rollers (131) close to the material placing frame (1) is provided with a supporting seat (13) which is arranged on the material placing frame (1) in a sliding mode along the axial direction of the supporting roller, and the supporting rollers (131) are arranged on the supporting seats (13) in a positioning and rotating mode; the feeding frame (1) is provided with a sliding groove (11) which is axially arranged along the supporting roller (131) and is matched with the supporting seat (13), one end, far away from the supporting roller (131), of the supporting seat (13) is slidably arranged in the sliding groove (11), and a tension spring (133) which is arranged along the length direction of the sliding groove (11) is fixed between the supporting seat and the inner end wall of the sliding groove (11); supporting seat (13) outer wall is equipped with spacing bulge loop (132), rotate on blowing frame (1) and install cardboard (12) that axis of rotation set up along backing roll (131) axial, when backing roll (131) and blowing roller (14) joint, cardboard (12) clamping is between spacing bulge loop (132) and blowing frame (1).

6. The continuous serging and folding device of a bed sheet as claimed in claim 5, wherein: a material overlapping seat (15) is arranged below the material placing roller (14), and an arc-shaped material overlapping plate (16) with the upper end surface concave inwards is arranged on the material overlapping seat (15); arc material taking plate (16) both ends are equipped with loop bar (161) of the vertical setting of axial, be equipped with on material taking seat (15) with loop bar (161) complex sleeve (151), be fixed with material taking cylinder (152) that are located between two sleeves (151) on material taking seat (15), the vertical upwards of piston rod of material taking cylinder (152) and with the lower terminal surface fixed connection of arc material taking plate (16).