CN114476271B

CN114476271B - Corner wrapping equipment, corner wrapping method and mattress packaging production line

Info

Publication number: CN114476271B
Application number: CN202210143389.XA
Authority: CN
Inventors: 谭治良; 谭治铭; 梁杰
Original assignee: Guangzhou Lianrou Machinery and Equipment Co Ltd
Current assignee: Guangzhou Lianrou Machinery and Equipment Co Ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2023-08-15
Anticipated expiration: 2042-02-16
Also published as: CN114476271A

Abstract

The invention discloses corner wrapping equipment, a corner wrapping method and a mattress packaging production line, wherein the corner wrapping equipment comprises a feeding component, a punching component, a cutting component, a turnover component, a compacting component and a pasting component, the feeding component comprises a first roller group, and longitudinal folds are pressed on packaging raw materials; the punching assembly comprises a first die part and a second die part, and a notch and a transverse crease are punched on the packaging raw material; the cutting assembly cuts the packaging raw materials to form packaging materials with preset lengths, and comprises a pushing mechanism which pushes the cut packaging materials to the overturning assembly; the overturning assembly overturning the packaging material along the longitudinal crease so that the packaging material is attached to the corner position of the object to be packaged; the compressing assembly compresses the top and bottom edges of the package; the packaging material and the object to be packaged are stuck and fixed through the sticking component, and compared with the traditional manual operation, the invention improves the working efficiency and is used in the technical field of packaging.

Description

Corner wrapping equipment, corner wrapping method and mattress packaging production line

Technical Field

The invention relates to the technical field of packaging, in particular to corner wrapping equipment, a corner wrapping method and a mattress packaging production line.

Background

The corner position of the article with larger volume is easy to collide and squeeze with the periphery during transportation, so that the article is damaged and deformed, the damage of the article caused by the collision of the corner position is reduced, and the corner position of the article is generally wrapped with paper corner protectors, such as the four corner positions of a mattress, so as to improve stacking strength. The existing packaging for paper corner protectors is achieved by manually folding and packaging ready-made corrugated paper boards at the corner positions of objects to be packaged, and therefore the working efficiency is low.

Disclosure of Invention

The invention aims to at least solve one of the technical problems in the prior art, and provides corner wrapping equipment capable of improving the corner wrapping work efficiency.

The invention also provides a corner wrapping method, and the corner wrapping equipment is used for wrapping corners.

The invention also provides a mattress packaging production line which comprises the corner wrapping equipment.

According to an embodiment of the first aspect of the present invention, there is provided a corner wrapping apparatus comprising:

a feeding assembly for conveying a continuous packaging material, the feeding assembly comprising a first set of rollers for rolling the packaging material to press a longitudinal crease in the packaging material;

the punching assembly is arranged in the conveying direction of the feeding assembly and comprises a first die part and a second die part which are oppositely arranged, and the first die part and the second die part are matched with each other to perform actions so as to punch a notch and/or a transverse crease on packaging raw materials;

The cutting assembly is arranged at the downstream of the conveying direction of the feeding assembly and is used for cutting packaging raw materials to form packaging materials with preset lengths, and a bottom end edge or a top end edge of the packaging materials is formed between the cutting edge and the transverse crease;

the overturning assembly is used for overturning the packaging material along the longitudinal crease so as to enable the packaging material to be attached to the corner position of the object to be packaged;

the compressing assembly is used for compressing the top edge of the packaging material on the top surface of the object to be packaged and compressing the bottom edge of the packaging material on the bottom surface of the object to be packaged; and

and the pasting component is used for pasting and fixing the packaging material and the object to be packaged.

The corner wrapping equipment has at least the following beneficial effects:

continuous packaging raw materials are conveyed through the feeding component, the first roller group is used for rolling the packaging raw materials, longitudinal folds are formed in the packaging raw materials, so that follow-up packaging materials can be folded symmetrically, gaps and transverse folds are formed in the packaging raw materials through punching of the first die component and the second die component of the punching component, packaging materials with preset lengths are formed by cutting the packaging raw materials through the cutting component, bending of the bottom end edges and the top end edges of the follow-up packaging materials is facilitated through the transverse folds, the packaging materials with the preset lengths are pushed to the overturning component through the pushing mechanism, the overturning component folds the packaging materials along the longitudinal folds, the packaging materials are attached to the corner positions of the objects to be packaged, the top end edges and the bottom end edges of the packaging materials are bent along the transverse folds, the pressing component presses the top end edges of the packaging materials to the top surfaces of the objects to be packaged, the bottom edges of the objects to be packaged are pressed to be attached to the bottom surfaces of the objects to be packaged, and the packaging materials to be packaged through the attaching component, and the packaging corner wrapping is completed.

According to the corner wrapping device disclosed by the embodiment of the first aspect of the invention, the first roller set comprises a first roller shaft and a second roller shaft which are oppositely arranged, wherein a plurality of annular bulges are arranged on the first roller shaft so as to press the longitudinal crease on the packaging raw material.

According to an embodiment of the first aspect of the present invention, the first die part includes a protrusion for punching the notch and two ribs for punching the transverse crease, and the protrusion is of a symmetrical structure, and the two ribs are symmetrically disposed about a center line of the protrusion to punch the notch and the transverse crease on adjacent edges of two adjacent packages on a continuous packaging material; the second die part comprises a first through hole and two long grooves, the first through hole is matched with the convex blocks, and the long grooves are matched with the convex strips.

According to the corner wrapping device of the embodiment of the first aspect of the invention, the first die component comprises a first die plate, a second die plate, a first elastic piece and a first driving piece, the convex blocks are arranged on the first die plate, two convex strips are arranged on the second die plate, the first driving piece is used for driving the first die plate to punch the notch, the first elastic piece is arranged between the first die plate and the second die plate, and the first elastic piece is used for providing a force for punching the transverse crease.

According to the corner wrapping equipment disclosed by the embodiment of the first aspect of the invention, the cutting assembly comprises a cutting mechanism, the cutting mechanism comprises a cutter and a second driving piece, and the second driving piece is used for driving the cutter to cut.

According to an embodiment of the first aspect of the present invention, the pushing mechanism includes a first platform and at least one pusher shoe, where the pusher shoe is movably disposed on the first platform, and the pusher shoe is used to push the package to move to form a first position and a second position; wherein the cutting mechanism is arranged at the first position, in the first position, the first platform supports the tail end of the packaging raw material, and the cutting mechanism cuts the packaging raw material to form a packaging material with a preset length; the second position is provided with an avoiding opening for avoiding the overturning assembly, and the packaging material is arranged on the overturning assembly.

According to an embodiment of the first aspect of the present invention, the overturning assembly comprises a supporting component, a first overturning mechanism and a second overturning mechanism; the supporting component is used for supporting the packaging material and comprises a supporting plate, a first turning plate and a second turning plate, wherein the first turning plate and the second turning plate are arranged on two sides of the supporting plate, and the first turning plate and the second turning plate are respectively connected with the supporting plate in a rotating way; the first turnover mechanism is used for turnover the supporting component so that one part of the packaging material is attached to one packaging edge at the corner position of the object to be packaged; the second turnover mechanism is used for selectively driving the first turnover plate or the second turnover plate to turn over relative to the supporting plate, so that the packaging material is turned over along the longitudinal crease, and the other part of the packaging material is attached to the other packaging edge at the corner position of the object to be packaged.

According to the corner wrapping equipment disclosed by the embodiment of the first aspect of the invention, the first turnover mechanism comprises a first driving assembly and a turnover frame, the turnover frame is fixedly connected with the supporting plate, and the first driving assembly is used for driving the turnover frame to rotate so as to drive the supporting part to turn.

According to the corner wrapping equipment disclosed by the embodiment of the first aspect of the invention, the second turnover mechanism comprises a third driving piece and a fourth driving piece which can linearly reciprocate, one of the fixed end and the movable end of the third driving piece is rotationally connected with the supporting plate, and the other end of the third driving piece is rotationally connected with the first turnover plate so as to drive the first turnover plate to turn over; one end of the fixed end and the movable end of the fourth driving piece is rotationally connected with the supporting plate, and the other end of the fourth driving piece is rotationally connected with the second turning plate so as to drive the second turning plate to turn.

According to the corner wrapping equipment disclosed by the embodiment of the first aspect of the invention, the overturning assembly comprises a fixing mechanism, the fixing mechanism comprises at least one absorption part and a fifth driving part, the absorption part is used for absorbing the packaging material, at least one of the supporting plate, the first turning plate and the second turning plate is provided with a third through hole, the absorption part is arranged at the third through hole, and the fifth driving part is used for driving the absorption part to extend out of the third through hole so as to compress the packaging material on a to-be-packaged object.

According to the corner wrapping equipment disclosed by the embodiment of the first aspect of the invention, the pressing assembly comprises a first pressing plate and a second pressing plate which can move up and down, the first pressing plate and the second pressing plate are oppositely arranged, the first pressing plate is used for pressing the top edge of the packaging material on the top surface of the corner position of the object to be packaged, and the second pressing plate is used for pressing the bottom edge of the packaging material on the bottom surface of the corner position of the object to be packaged.

According to an embodiment of the first aspect of the present invention, the corner wrapping apparatus comprises a bending mechanism for pre-bending the bottom or top edge of the package.

According to the corner wrapping equipment disclosed by the embodiment of the first aspect of the invention, the bending mechanism comprises a ninth driving piece and an ejector piece, fourth through holes are formed in preset positions on the first turning plate and the second turning plate, the preset positions are the bottom end edge or the top end edge of the packaging material on the supporting part, the ejector piece is arranged at the fourth through holes, and the ninth driving piece is used for driving the ejector piece to extend out of the fourth through holes so as to bend the bottom end edge or the top end edge of the packaging material.

According to the corner wrapping equipment disclosed by the embodiment of the first aspect of the invention, the bending mechanism comprises a bracket, a second elastic piece and at least one stirring piece, the bending mechanism is arranged on the first pressing plate or the second pressing plate and can lift along with the first pressing plate or the second pressing plate, the stirring piece is rotationally connected with the bracket, and the second elastic piece is used for providing acting force for bending the stirring piece to the top edge or the bottom edge of the packaging material.

According to the corner wrapping equipment disclosed by the embodiment of the first aspect of the invention, the bending mechanism comprises a poking plate and a third elastic piece, the poking plate comprises a horizontal part and an inclined part, the bending mechanism is arranged on the first pressing plate or the second pressing plate and can be lifted along with the first pressing plate or the second pressing plate, the third elastic piece is arranged between the first pressing plate and the poking plate or between the second pressing plate and the poking plate, and the third elastic piece is used for providing a force for bending the poking plate and pressing the top edge or the bottom edge of the packaging material.

According to an embodiment of the first aspect of the present invention, the pasting component comprises a glue spraying mechanism capable of moving transversely, and the glue spraying mechanism is used for spraying hot melt glue on the packaging material.

According to a second aspect of the present invention, there is provided a corner wrapping method for wrapping a to-be-packaged object by the corner wrapping apparatus, including the steps of:

the feeding assembly conveys continuous packaging raw materials, wherein the first roller set is used for rolling the packaging raw materials, and longitudinal folds are formed in the packaging raw materials;

the first and second die parts of the stamping assembly stamp out notches and transverse creases in the packaging material;

The cutting assembly cuts the packaging raw materials to form packaging materials with preset lengths, and a bottom end edge or a top end edge of the packaging materials is formed between the cutting edge and the transverse crease;

the pushing mechanism pushes the packaging material with the preset length to the overturning assembly;

the overturning assembly overturning the packaging material along the longitudinal crease so that the packaging material is attached to the corner position of the object to be packaged;

the top edge and the bottom edge of the packaging material are bent along transverse folds, and the pressing assembly presses the top edge of the packaging material to the top surface of the object to be packaged and presses the bottom edge of the packaging material to the bottom surface of the object to be packaged;

and the packaging material and the object to be packaged are stuck and fixed through the sticking component.

According to a third aspect of the present invention there is provided a mattress packaging line comprising the corner wrapping apparatus described above.

Drawings

The invention is further described below with reference to the drawings and examples;

FIG. 1 is a schematic diagram of a structure of a corner wrapping apparatus for wrapping a package according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the corner wrapping apparatus according to the embodiment of the present invention;

FIG. 3 is a schematic view of another view of the cornering device according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the feed assembly, punch assembly and cutter assembly of an embodiment of the present invention arranged in sequence;

FIG. 5 is a schematic view of a package according to an embodiment of the present invention;

FIG. 6 is a schematic view of a feed assembly according to an embodiment of the present invention;

FIG. 7 is a front view of a stamping assembly according to an embodiment of the present invention;

FIG. 8 is a partially exploded view of a stamping assembly according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of a cutting assembly and a glue spraying mechanism according to an embodiment of the present invention;

FIG. 10 is a schematic view of the overall construction of the flipping assembly and the compacting assembly of an embodiment of the invention;

FIG. 11 is a schematic view of the structure of a flipping assembly according to an embodiment of the invention;

FIG. 12 is a schematic view of an alternate view of a flip assembly according to an embodiment of the present invention;

FIG. 13 is a schematic view of the structure of the flip assembly of the embodiment of the present invention with the support members in a horizontal position;

FIG. 14 is a partial schematic view of a fixing mechanism and a first bending mechanism according to an embodiment of the present invention;

FIG. 15 is a schematic view of the structure of a compression assembly according to an embodiment of the present invention;

FIG. 16 is a schematic view of the structure of the flip assembly and the compacting assembly for wrapping the object to be wrapped according to the embodiment of the present invention;

FIG. 17 is a schematic diagram of a second bending mechanism according to an embodiment of the present invention;

FIG. 18 is a top view of a second bending mechanism according to an embodiment of the present invention in a lowering process;

FIG. 19 is a front view of a second bending mechanism according to an embodiment of the present invention in a lowering process;

FIG. 20 is a top view of the second bending mechanism lowered to the object to be packaged according to the embodiment of the present invention;

FIG. 21 is a front view of the second bending mechanism lowered to the position of the object to be packaged according to the embodiment of the present invention;

FIG. 22 is a schematic diagram of a second bending mechanism according to another embodiment of the present invention;

FIG. 23 is a front view of an initial state of the flip assembly of the present invention for wrapping a package;

FIG. 24 is a front view of the flip assembly of the present invention wrapping an angle of a package, wherein the first flip mechanism drives the support member to flip;

FIG. 25 is a top view of a wrap angle of a flip assembly according to an embodiment of the present invention, wherein the wrap angle is at a first corner;

FIG. 26 is a top view of an embodiment of the flip assembly of the present invention for wrapping an item to be packaged, wherein the wrapping position is a first side angle and the second flip mechanism drives the second flip plate to flip;

FIG. 27 is a top view of a wrap angle of a flip assembly according to an embodiment of the present invention, wherein the wrap angle is at a second corner;

FIG. 28 is a top view of a wrap angle of a package with a second corner and a second flip mechanism driving a first flip plate to flip;

Reference numerals: the feeding assembly 100, the first roller group 110, the first roller shaft 111, the protrusion 112, the second roller group 120, the guide plate 130, the adjustment handle 140, the punching assembly 200, the first die part 210, the first die plate 211, the second die plate 212, the protrusion 213, the caulking groove 214, the second through hole 215, the first elastic member 216, the first driving member 217, the second die part 220, the third die plate 221, the first through hole 222, the cutting assembly 300, the cutting mechanism 310, the cutter 311, the second driving member 312, the pushing mechanism 320, the first platform 321, the chute 3211, the pushing member 322, the escape opening 323, the tilting assembly 400, the supporting member 410, the supporting plate 411, the mounting frame 4111, the first flap 412, the first connecting member 4121, the fourth through hole 4122, the escape groove 4123, the second flap 413, the second connecting member 4131, the first tilting mechanism 420, the tilting frame 421, the connecting shaft 422, the sixth driving member 423, the gear rack 424 gear 4241, rack 4242, first base 425, second flipping mechanism 430, third driving member 431, fourth driving member 432, securing mechanism 440, suction member 441, fifth driving member 442, compression assembly 500, first platen 510, second platen 520, seventh driving member 530, eighth driving member 540, first bending mechanism 600, ninth driving member 610, ejector 620, second bending mechanism 700, bracket 710, second elastic member 720, toggle member 730, pin 740, toggle plate 750, horizontal portion 751, sloped portion 752, third elastic member 760, second base 810, third base 820, frame 830, opening 831, glue spray mechanism 900, delivery mechanism 10, first portion 11, second portion 12, longitudinal fold 13, lateral fold 14, top edge 15, bottom edge 16, notch 17, first package side 21, second package side 22, first corner 23, second corner 24.

Detailed Description

Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.

In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

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

Referring to fig. 1 to 28, an embodiment of the present invention provides a corner wrapping apparatus comprising a feeding assembly 100, a punching assembly 200, a cutting assembly 300, a turning assembly 400, a pressing assembly 500 and a pasting assembly, wherein the feeding assembly 100 conveys a continuous packaging material, the feeding assembly 100 comprises a first roller set 110, the first roller set 110 is used for rolling the packaging material to press a longitudinal crease 13 on the packaging material so as to facilitate turning over of a subsequent packaging material, the longitudinal direction is parallel to the conveying direction of the feeding assembly 100, here, the left-right direction; the punching assembly 200 is disposed downstream of the feeding assembly 100 in the conveying direction, and the punching assembly 200 includes a first die member 210 and a second die member 220 disposed opposite to each other up and down, the first die member 210 and the second die member 220 cooperating with each other to punch the notch 17 and the lateral crease 14 in the packaging material; the cutting assembly 300 is disposed downstream of the feeding assembly 100 in the conveying direction, and after the punching assembly 200, the cutting assembly 300 is configured to cut the packaging raw material to form a packaging material of a predetermined length, the cutting edge and the transverse crease 14 form a bottom end edge 16 or a top end edge 15 of the packaging material, the cutting assembly 300 includes a pushing mechanism 320, and the pushing mechanism 320 pushes the cut packaging material to the overturning assembly 400; the overturning assembly 400 overturning the packaging material along the longitudinal crease 13 to enable the packaging material to be attached to the corner position of the object to be packaged; the pressing assembly 500 presses the top edge 15 of the package against the top surface of the object to be packaged, and presses the bottom edge 16 of the package against the bottom surface of the object to be packaged; the packaging material and the object to be packaged are stuck and fixed through the sticking component.

It is understood that the objects to be packaged can be different objects according to actual needs, and the packaging materials can be made of different materials. In this embodiment, the mattress is taken as an example of the object to be packaged, the packaging material is corrugated paper board, the paper board is wrapped at the corner position of the mattress to form a paper corner protector, and correspondingly, the packaging raw material is continuously cross-folded paper board.

Referring to fig. 4 and 5, in order to form a structure of a package material with a predetermined length after a package material is rolled by the first roller set 110 of the feeding assembly 100, punched by the punching assembly 200 and cut by the cutting assembly 300, the first roller set 110 is rolled to form a longitudinal crease 13, two sides of the longitudinal crease 13 are respectively a first part 11 and a second part 12 of the package material, two package edges at corner positions of the package material are respectively a first package edge 21 and a second package edge 22, generally, the first package edge 21 and the second package edge 22 form an included angle of 90 degrees, when the package material is wrapped, the overturning assembly 400 is used for attaching the first part 11 of the package material to the first package edge 21 of the package material, and then turning the second part 12 of the package material by 90 degrees, so that the second part 12 is attached to the second package edge 22 of the package material, and the longitudinal crease 13 is pressed out in advance by the first roller set 110, so that the second part 12 can be turned over along the longitudinal crease 13 when being opposite to the first part 11; the stamping assembly 200 stamps out the notch 17 and the transverse crease 14, the notch 17 and the transverse crease 14 form the top end edge 15 and the bottom end edge 16 on the first part 11 and the second part 12 of the packaging material, the notch 17 is two, one notch 17 is located between the top end edge 15 of the first part 11 and the top end edge 15 of the second part 12, the other notch 17 is located between the bottom end edge 16 of the first part 11 and the bottom end edge 16 of the second part 12, and when the packaging material is wrapped, the pressing assembly 500 presses the top end edge 15 of the first part 11 and the second part 12 on the top surface of the packaging material and presses the bottom end edge 16 on the bottom surface of the packaging material, so that the wrapping angle is firmer and more reliable, and the transverse crease 14 is stamped out in advance through the stamping assembly 200, and the bending of the top end edge 15 and the bottom end edge 16 of the packaging material is facilitated.

Compared with the existing mode of folding and packaging the ready-made packaging material at the corner position of the object to be packaged by manpower, the corner wrapping equipment of the embodiment can directly use the packaging raw materials which are not processed and formed, replaces manual operation and improves working efficiency.

The corner wrapping equipment further comprises a conveying mechanism 10, the conveying mechanism 10 conveys the objects to be packaged forward to a designated position for corner wrapping, and a conveying belt can be adopted by the conveying mechanism 10.

Referring to fig. 6, in some embodiments, the feeding assembly 100 includes a first roller set 110 and a second roller set 120 with power, the first roller set 110 and the second roller set 120 are arranged in parallel, wherein the first roller set 110 includes a first roller shaft 111 and a second roller shaft arranged opposite to each other up and down, a plurality of annular protrusions 112 are arranged on the first roller shaft 111, a plurality of annular grooves are arranged on the second roller shaft, and the protrusions 112 are matched with the grooves to press a plurality of longitudinal folds 13 on the packaging raw material; the second roller set 120 comprises two third roller shafts which are arranged up and down oppositely, and the two third roller shafts clamp and convey packaging raw materials; the feeding assembly 100 further includes a guide plate 130 and an adjusting handle 140, the guide plate 130 is disposed at the feeding end of the second roller set 120, one end of the guide plate 130, which is far away from the second roller set 120, is arc-shaped, so that feeding is facilitated, and the clamping force of the first roller set 110 and the second roller set 120 for clamping packaging materials can be adjusted by screwing the adjusting handle 140.

Referring to fig. 7 and 8, in some embodiments, the packaging material is conveyed between a first die part 210 and a second die part 220 of the punching assembly 200, wherein the first die part 210 comprises a first die plate 211, a second die plate 212, a protruding block 213 for punching to form the notch 17, and two elongated protruding bars for punching to form the transverse crease 14, the first die plate 211 and the second die plate 212 are sequentially arranged, the protruding block 213 is arranged on the first die plate 211, two caulking grooves 214 are arranged on the second die plate 212, and protruding bars (not shown) are embedded in the caulking grooves 214 to be fixed, and a second through hole 215 for the protruding block 213 to pass is arranged on the second die plate 212; the first die part 210 further includes a first elastic member 216 and a first driving member 217, where the first driving member 217 can drive the first die plate 211 to punch, so as to punch the protrusion 213 out of the notch 17, and the first elastic member 216 is disposed between the first die plate 211 and the second die plate 212 and is used to provide a force for punching the protrusion into the transverse crease 14, specifically, the first driving member 217 can use a cylinder, and the first elastic member 216 can use a spring; the second mold member 220 includes a third mold plate 221, a first through hole 222, and two elongated grooves (not shown) disposed on the third mold plate 221, the first through hole 222 and the two elongated grooves being disposed on both sides of the first through hole 222, the first through hole 222 being matched with the bump 213, the two elongated grooves being matched with the two protruding bars.

The stamping action comprises the following steps: the first driving piece 217 drives the first template 211 to descend, the first template 211 drives the second template 212 to descend, the second template 212 contacts the packaging raw material first, the first template 211 descends continuously, the first elastic piece 216 is compressed, and the elastic force acts on the second template 212, so that the convex strip presses out the transverse crease 14 on the packaging raw material; the first template 211 descends, driving the bump 213 to pass through the second through hole 215 on the second template 212, and punching the notch 17 in the packaging material.

Of course, it is understood that the first and second die members 210, 220 of the punch assembly 200 may be configured to punch the notches 17 or transverse creases 14 only in the packaging stock.

In some embodiments, the bump 213 is symmetrical, and the two ribs are symmetrically disposed about the centerline of the bump 213, such that, by one stamping, the notch 17 and the transverse crease 14 can be stamped on adjacent edges of two adjacent packages on a continuous package stock.

It can be understood that the shape of the bump 213 can be set according to needs, in this embodiment, one side of the bump 213 is arc-shaped, and the other side is convex triangle-shaped; similarly, the cross-sectional shape of the ridge may be set as required, and in this embodiment, the cross-section of the ridge is triangular.

Referring to fig. 9, in some embodiments, the cutting assembly 300 includes a cutting mechanism 310, the cutting mechanism 310 includes a cutter 311 and a second driving member 312, and the second driving member 312 is used to drive the cutter 311 to perform a cutting action, and in particular, the second driving member 312 may employ an air cylinder. After the cutting mechanism 310 cuts the packaging raw material to form a packaging material with a predetermined length, the packaging material is pushed to the turning assembly 400 by the pushing mechanism 320.

In some embodiments, the pushing mechanism 320 includes a first platform 321 and at least one pushing member 322, where the pushing member 322 is movably disposed on the first platform 321, specifically, the pushing member 322 may be driven to move by a cylinder or a screw-nut transmission mechanism, etc., a plurality of sliding grooves 3211 are disposed on the first platform 321, the pushing member 322 moves along the sliding grooves 3211, and the pushing member 322 is used to push the package to move to form a first position and a second position; wherein the cutting mechanism 310 is disposed at a first position, in which the first platform 321 supports the end of the packaging material, and the cutting mechanism 310 cuts the packaging material to form a packaging material with a predetermined length; the second position is provided with an escape opening 323 for escaping the flipping assembly 400, and in the second position, the packaging material is placed on the supporting member 410 of the flipping assembly 400, and then the wrapping angle is performed by the flipping assembly 400. The translation pushing of the cut packaging material is realized through the pushing mechanism 320, so that the feeding component 100 and the overturning component 400 can be arranged on the same side of the first platform 321 in parallel, the structure is compact, and the occupied space of equipment is saved.

It will be appreciated that the adhesive assembly may take different configurations, provided that the adhesive of the packaging material to the object to be packaged is achieved, for example: glue can be sprayed on the packaging material in a glue spraying mode, and the packaging material and the glue are adhered through glue; or a sealing machine is adopted, and pulls the adhesive tape to adhere the packaging material to the object to be packaged.

In some embodiments, the applicator assembly includes a laterally movable glue spray mechanism 900, the glue spray mechanism 900 being used to spray hot melt glue onto the package, and to apply the package and the item to be packaged by the hot melt glue. Specifically, the glue mechanism 900 is disposed near the first platform 321, and sprays hot melt glue on the first portion 11, the second portion 12, the top edge 15, and the bottom edge 16 of the package as the glue is moved laterally by the feeding assembly 100.

Referring to fig. 10-13, in some embodiments, the flipping assembly 400 includes a support member 410, a first flipping mechanism 420, and a second flipping mechanism 430; the supporting component 410 is used for supporting the packaging material, the supporting component 410 comprises a supporting plate 411, a first turning plate 412 and a second turning plate 413, the first turning plate 412 and the second turning plate 413 are arranged on two sides of the supporting plate 411, the first turning plate 412 and the second turning plate 413 are respectively connected with the supporting plate 411 in a rotating mode, specifically, a first connecting piece 4121 is arranged at the bottom of the first turning plate 412, the first connecting piece 4121 is hinged to the bottom of the supporting plate 411, a second connecting piece 4131 is arranged at the bottom of the second turning plate 413, and the second connecting piece 4131 is hinged to the bottom of the supporting plate 411; the supporting part 410 is initially in a horizontal state and is positioned at the position of the avoiding opening 323 of the first platform 321, and the first overturning mechanism 420 can overturn the supporting part 410 approximately by 90 degrees to be in a vertical state, so that the first part 11 of the packaging material is attached to the first packaging edge 21 at the corner position of the object to be packaged; the second turning mechanism 430 selectively drives the first turning plate 412 or the second turning plate 413 to turn over relative to the supporting plate 411 by approximately 90 degrees, so that the package material is turned over along the longitudinal crease 13, and the second portion 12 of the package material is attached to the second package edge 22 at the corner position of the object to be packaged.

After the first turning mechanism 420 drives the whole supporting member 410 to turn, the first turning plate 412 or the second turning plate 413 is selectively controlled to turn according to the relative positions of the first turning plate 412 and the second turning plate 413 and the object to be packaged, wherein, referring to fig. 25, if the first turning plate 412 is connected with the object to be packaged and the second turning plate 413 is positioned at the outer side of the object to be packaged, the second turning mechanism 430 is controlled to drive the second turning plate 413 to turn; referring to fig. 27, if the second turning plate 413 is connected to the object to be packaged and the first turning plate 412 is located at the outer side of the object to be packaged, the second turning mechanism 430 is controlled to drive the first turning plate 412 to turn.

Therefore, the turnover assembly 400 of the present embodiment can be used for wrapping corners of two corner positions on the object to be packaged, and for one corner position, the second turnover mechanism 430 drives the second turnover plate 413 to turn over; after the corner wrapping is completed, the to-be-packaged objects are conveyed forwards, the corner wrapping is performed on the other adjacent corner position, and in the process, the second turnover mechanism 430 drives the first turnover plate 412 to turn over.

It can be appreciated that the specific structures of the first turning mechanism 420 and the second turning mechanism 430 can be set according to needs, for example, corresponding components can be directly driven to rotate by a motor or a rotating device such as a rotating cylinder, so as to complete turning, or a link mechanism or other transmission mechanisms can be provided, and the corresponding components can be indirectly driven to turn by the link mechanism.

Referring to fig. 11 to 13, in some embodiments, the first tilting mechanism 420 includes a first driving assembly and a tilting frame 421, the tilting frame 421 is fixedly connected to the support plate 411, and the first driving assembly drives the tilting frame 421 to rotate to turn the support member 410. Specifically, the first driving assembly includes a connecting shaft 422, two sixth driving members 423, two rack and pinion mechanisms 424 disposed corresponding to each sixth driving member 423, each rack and pinion mechanism 424 includes a gear 4241 and a rack 4242 that are mutually matched, the sixth driving member 423 can drive the rack 4242 to move so as to drive the gear 4241 to rotate, and the sixth driving member 423 can adopt an air cylinder; the connecting shaft 422 fixedly connects the gears 4241 so that the racks 4242 and the sixth driving member 423 operate synchronously; the connecting shaft 422 is fixedly connected with the roll-over stand 421 to drive the roll-over stand 421 to rotate; the first tilting mechanism 420 is mounted on the first base 425, the rack 4242 is slidably connected with the first base 425, the first base 425 is disposed on the second base 810, and the second base 810 is disposed on the third base 820 in a manner of being able to move left and right, so that the left and right positions of the first tilting mechanism 420 and the supporting member 410 can be adjusted to be abutted against the package to be packaged.

It is to be understood that the number of the sixth driving members 423 and the rack-and-pinion mechanisms 424 may be set according to needs, and when the mass of the supporting member 410 is large, a plurality of sixth driving members 423 may be used to jointly drive, and the above-mentioned use of the rack-and-pinion mechanisms 424 to link each sixth driving member 423 may ensure that each sixth driving member 423 operates synchronously, thereby improving the working reliability.

It is understood that the first driving assembly may have different structures, for example, a motor, a rotary cylinder, or a link mechanism to rotate the roll-over stand 421.

In some embodiments, the second turnover mechanism 430 includes a third driving member 431 and a fourth driving member 432 that can reciprocate linearly, the third driving member 431 and the fourth driving member 432 may adopt air cylinders, a mounting frame 4111 is provided at the bottom of the supporting plate 411, a fixed end of the third driving member 431 is rotatably connected with the mounting frame 4111, and a movable end is rotatably connected with a first connecting member 4121 at the bottom of the first turnover plate 412, so as to drive the first turnover plate 412 to turn over relative to the supporting plate 411; the fixed end of the fourth driving member 432 is rotatably connected with the mounting frame 4111, and the movable end of the fourth driving member 432 is rotatably connected with the second connecting member 4131 at the bottom of the second turning plate 413, so as to drive the second turning plate 413 to turn over relative to the supporting plate 411. The third driving member 431 and the fourth driving member 432 are arranged on the Y-shaped mounting frame 4111 in a crossing manner, so that the mounting space is saved, and the structure is compact.

It will be appreciated that, alternatively, the movable end of the third driving member 431 may be rotatably connected to the mounting frame 4111, and the fixed end may be rotatably connected to the first connecting member 4121; likewise, the movable end of the fourth driving member 432 may be rotatably coupled to the mounting bracket 4111, and the fixed end may be rotatably coupled to the second coupling member 4131.

Referring to fig. 11, 12 and 14, in some embodiments, the flipping assembly 400 includes a securing mechanism 440, where the securing mechanism 440 secures the package to the support member 410 to prevent the package from falling out when the support member 410 is flipped. The fixing mechanism 440 includes at least one adsorbing member 441, at least one of the supporting plate 411, the first turning plate 412 and the second turning plate 413 is provided with the adsorbing member 441, and the adsorbing member 441 adsorbs the packaging material, specifically, in this embodiment, the first turning plate 412 and the second turning plate 413 are respectively provided with two adsorbing members 441, and the adsorbing members 441 adopt suction cups, and adsorb the packaging material through vacuum negative pressure.

Further, the fixing mechanism 440 includes a fifth driving member 442, the fifth driving member 442 may be an air cylinder, at least one of the supporting plate 411, the first turning plate 412, and the second turning plate 413 is provided with a first through hole 222, the adsorbing member 441 is disposed at the first through hole 222, the fifth driving member 442 may drive the adsorbing member 441 to extend or retract from the first through hole 222, wherein the adsorbing member 441 extends out of the first through hole 222, so that the packaging material can be pressed onto the object to be packaged, and the packaging material and the object to be packaged are tightly contacted, thereby improving the adhesion effect of the hot melt adhesive.

Referring to fig. 10, 15 and 16, in some embodiments, the pressing assembly 500 includes a first pressing plate 510 and a second pressing plate 520 that can be lifted, the first pressing plate 510 and the second pressing plate 520 are disposed opposite to each other, the first pressing plate 510 is lifted by a seventh driving member 530, the second pressing plate 520 is lifted by an eighth driving member 540, and the seventh driving member 530 and the eighth driving member 540 may use air cylinders; the object to be packaged is placed between the first pressing plate 510 and the second pressing plate 520, the top edge 15 of the packaging material is pressed on the top surface of the corner position of the object to be packaged by the first pressing plate 510, and the bottom edge 16 of the packaging material is pressed on the bottom surface of the corner position of the object to be packaged by the second pressing plate 520. After the package material is wrapped on the object to be packaged, the first portion 11 and the second portion 12 form an included angle of approximately 90 degrees, and the first pressing plate 510 and the second pressing plate 520 form an approximately square shape, so that two adjacent sides of the square first pressing plate 510 can simultaneously press the top end edges 15 of the first portion 11 and the second portion 12, and two adjacent sides of the square second pressing plate 520 can simultaneously press the bottom end edges 16 of the first portion 11 and the second portion 12.

In some embodiments, the corner fitting apparatus includes a bending mechanism by which the bottom edge 16 or the top edge 15 of the package is pre-bent and then compressed by the compression assembly 500 to prevent the compression plate from failing to compress the package and to improve the reliability of operation of the compression assembly 500.

There are two bending mechanisms, a first bending mechanism 600 and a second bending mechanism 700, respectively, wherein the bottom edge 16 of the package is pre-bent by the first bending mechanism 600 and the top edge 15 of the package is bent by the second bending mechanism 700.

Referring to fig. 11 and 14, in some embodiments, the first bending mechanism 600 includes a ninth driving member 610 and an ejector member 620, where a fourth through hole 4122 is provided at a predetermined position on the first flap 412 and the second flap 413, where the package is placed on the bottom end edge 16 of the support member 410, that is, the package is placed on the support member 410, and the bottom end edge 16 of the package is aligned with the fourth through hole 4122, the ejector member 620 is placed on the fourth through hole 4122, the ninth driving member 610 may use a cylinder, and the ninth driving member 610 may drive the ejector member 620 to extend out of the fourth through hole 4122, push the bottom end edge 16 of the package, and bend the bottom end edge 16 along the transverse crease 14.

Referring to fig. 17, in some embodiments, the second bending mechanism 700 includes a bracket 710, a second elastic member 720 and at least one stirring member 730, specifically, the stirring member 730 is rod-shaped, the second bending mechanism 700 is disposed on the first pressing plate 510 and can be lifted along with the first pressing plate 510, the stirring member 730 is rotationally connected with the bracket 710 through a pin shaft 740, the second elastic member 720 adopts a tension spring, one end of the tension spring is fixedly connected with the bracket 710 and the other end of the tension spring is fixedly connected with the stirring member 730, and the second elastic member 720 provides a force for bending the stirring member 730 to the top edge 15 of the packaging material.

Specifically, referring to fig. 18 and 19, the first pressing plate 510 moves downward, the second bending mechanism 700 moves downward, the toggle member 730 extends downward from the bottom surface of the first pressing plate 510, the toggle member 730 will contact the top edge 15 of the package in advance, and the top edge 15 is pressed downward under the elastic force of the second elastic member 720, so that the top edge 15 is bent along the transverse crease 14; referring to fig. 20 and 21, when the toggle member 730 descends to the position of the object to be packaged, since the toggle member 730 is connected with the bracket 710 through the second elastic member 720 and descends continuously, the toggle member 730 is lifted by the object to be packaged, and the first pressing plate 510 presses the top edge 15 of the package to the top surface of the object to be packaged; after the wrap angle is completed, the first pressing plate 510 is lifted, and the toggle member 730 is reset under the pulling force of the second elastic member 720.

Referring to fig. 18 and 20, second bending mechanisms 700 are provided on both adjacent sides of the first platen 510 to pre-bend the top edges 15 of the first and second portions 11, 12 of the wrapper.

In some embodiments, the first and second flaps 412, 413 are provided with a relief slot 4123, the relief slot 4123 being configured to relieve bending of the package by the toggle member 730. Referring to fig. 26 and 28, when the first pressing plate 510 is pressed down, the first turning plate 412 and the second turning plate 413 still maintain the turned state, the first turning plate 412 and the second turning plate 413 are against the to-be-packaged material, the stirring member 730 presses down the top edge 15 of the to-be-packaged material, the bottom end of the stirring member 730 extends out of the side surface of the to-be-packaged material, and by arranging the avoiding groove 4123 on the first turning plate 412 and the second turning plate 413, the pressing action of the stirring member 730 is avoided, and the collision or interference between the stirring member 730 and the first turning plate 412 and the second turning plate 413 is avoided.

In this embodiment, the first bending mechanism 600 is used to bend the bottom edge 16 of the packaging material, the second bending mechanism 700 is used to bend the top edge 15 of the packaging material, so that the packaging material can be suitable for different specifications of objects to be packaged, such as mattresses, with different heights, and accordingly, the length of the packaging material is adjusted accordingly. In this embodiment, the package is pushed by the pushing mechanism 320 onto the supporting member 410, and the bottom edge 16 is located at the position of the fourth through hole 4122, so that for packages of different specifications, the package can be ejected by the ejector 620 of the first bending mechanism 600 to bend the bottom edge 16 of the package; the upper edge of the package is bent by the second bending mechanism 700 moving from top to bottom, i.e. the initial position of the second bending mechanism 700 is above the top edge 15 of the package.

It will be appreciated that, as an alternative, the first bending mechanism 600 may be configured to bend the top end edge 15 of the package, and the second bending mechanism 700 may be configured to bend the bottom end edge 16 of the package, so that the pre-bending of the top end edge 15 and the bottom end edge 16 of the package can be achieved as well, specifically, in the first bending mechanism 600, the predetermined position where the fourth through hole 4122 is located is set to be the position where the package is located at the top end edge 15 on the supporting member 410, and the ninth driving member 610 drives the ejector 620 to extend out of the fourth through hole 4122, so that the top end edge 15 of the package can be bent; the second bending mechanism 700 is disposed on the second pressing plate 520 below, and can be lifted along with the second pressing plate 520, and the second elastic member 720 provides a force for bending the bottom edge 16 of the package material by the stirring member 730.

It will be appreciated that, for the predetermined specification of the objects to be packaged and the packaged materials, the length and width of the packaged materials are determined, two first bending mechanisms 600 may be adopted, the top end edge 15 and the bottom end edge 16 of the packaged materials are respectively bent by the two first bending mechanisms 600, two ejection pieces 620 are arranged on the first turning plate 412 and the second turning plate 413, and the two ejection pieces 620 are respectively positioned at the bottom end edge 16 and the top end edge 15 of the packaged materials on the turning plates; in addition, for the objects to be packaged and the packaging materials with different specifications, two second bending mechanisms 700 can be further adopted, and the two second bending mechanisms are respectively arranged on the first pressing plate 510 and the second pressing plate 520 to bend the top end edge 15 and the bottom end edge 16 of the packaging materials.

Referring to fig. 22, in still other embodiments, the second bending mechanism 700 includes a pulling plate 750 and a third elastic member 760, the pulling plate 750 includes a horizontal portion 751 and an inclined portion 752, the second bending mechanism 700 is disposed on the first pressing plate 510 and can be lifted along with the first pressing plate 510, and the third elastic member 760 is disposed between the first pressing plate 510 and the pulling plate 750, and the third elastic member 760 uses a spring. During the pressing down of the first pressing plate 510, the pulling plate 750 descends, the inclined portion 752 of the pulling plate 750 contacts the top edge 15 of the package material in advance, the top edge 15 is pressed down and bent, the third elastic member provides a force for pressing down and bending, and when the horizontal portion 751 of the pulling plate 750 descends to the position of the package material, the third elastic member 760 is compressed, and further provides a force for pressing the pulling plate 750 against the top edge 15 of the package material.

Similarly, the second bending mechanism 700 using the pulling plate 750 may also be disposed on the second pressing plate 520, and along with the lifting of the second pressing plate 520, a third elastic member 760 is disposed between the second pressing plate 520 and the pulling plate 750, where the third elastic member 760 provides a force for bending the pulling plate 750 and pressing the bottom edge 16 of the package.

Referring to fig. 15 and 16, in some embodiments, one first platen 510 and one second platen 520 form a set of pressing assemblies 500, the pressing assemblies 500 having two sets, the two sets of pressing assemblies 500 being arranged in parallel, wherein one set of pressing assemblies 500 is used to press a package material wrapping one corner position of a to-be-packaged item, and the other set of pressing assemblies 500 is used to press a package material wrapping an adjacent corner position of the to-be-packaged item. For wrap angles at different corner positions on the object to be packaged, one group of pressing assemblies 500 can be driven to act.

The pressing assembly 500 is mounted on the frame 830, the frame 830 is disposed on the second base 810, an opening 831 is formed in the frame 830 to avoid the supporting member 410, the supporting member 410 is initially in a horizontal state, and after the supporting member 410 is driven by the first turning mechanism 420 to turn over, the supporting member 410 is in a vertical state and is approximately located at the position of the opening 831.

The embodiment of the invention also provides a corner wrapping method, which is used for wrapping the object to be packaged through the corner wrapping equipment and comprises the following steps:

s100, conveying the object to be packaged to a designated position by the conveying mechanism 10, and moving left and right to adjust the position of the second base 810 according to the width of the object to be packaged, so as to adjust the positions of the overturning assembly 400 and the compacting assembly 500;

s200, conveying continuous packaging raw materials by the feeding assembly 100, rolling the packaging raw materials by the first roller set 110, and extruding longitudinal folds 13 on the packaging raw materials;

s300, the packaging raw material passes through a stamping part, and the first die part 210 and the second die part 220 stamp out a notch 17 and a transverse crease 14 on the packaging raw material;

s400, a cutting mechanism 310 of the cutting assembly 300 cuts the packaging raw materials to form packaging materials with preset lengths, and a bottom end edge 16 or a top end edge 15 of the packaging materials are formed between the cutting edge and the transverse crease 14;

s500, spraying hot melt adhesive on the packaging material by the adhesive spraying mechanism 900;

s600, pushing the package material with a preset length onto the supporting part 410 of the overturning assembly 400 by the pushing mechanism 320;

s700, the first turning mechanism 420 of the turning assembly 400 drives the whole supporting component 410 to turn over, so that the first part 11 of the packaging material is attached to the first packaging edge 21 of the object to be packaged, at this time, the supporting plate 411 is approximately positioned at the corner of the corner position of the object to be packaged, and according to the relative positions of the first turning plate 412 and the second turning plate 413 with the object to be packaged, the turning of the first turning plate 412 or the second turning plate 413 is selectively controlled (executing step S710);

S710, referring to fig. 25, if the first corner 23 of the to-be-packaged object is wrapped, and at this time, the first turning plate 412 is connected to the to-be-packaged object, and the second turning plate 413 is located at the outer side of the to-be-packaged object, the second turning mechanism 430 is controlled to drive the second turning plate 413 to turn, so that the second portion 12 of the package material turns along the longitudinal crease 13, and the second portion 12 is attached to the second package edge 22 at the corner position of the to-be-packaged object, referring to fig. 26;

s720, referring to FIG. 27, if the second corner 24 of the object to be packaged adjacent to the first corner 23 is wrapped, and the second turning plate 413 is connected to the object to be packaged at this time, the first turning plate 412 is located at the outer side of the object to be packaged, the second turning mechanism 430 is controlled to drive the first turning plate 412 to turn over, so that the second portion 12 of the package is turned over along the longitudinal crease 13, and the second portion 12 is attached to the second package edge 22 at the corner position of the object to be packaged, referring to FIG. 28;

s800, a fifth driving element 442 drives an adsorption element 441 on a first turning plate 412 and a second turning plate 413 to extend out, so as to press a packaging material on a to-be-packaged object, and the surface of the packaging material is adhered to the to-be-packaged object through hot melt adhesive;

s900, according to the corner positions (the first corner 23 or the second corner 24), selecting one group of pressing assemblies 500 to work, descending a first pressing plate 510 of each pressing assembly 500, pre-bending the top edge 15 of the packaging material through a stirring piece 730 of the second bending mechanism 700, and pressing the top edge 15 on the top surface of the object to be packaged by the first pressing plate 510; meanwhile, the ejector 620 of the first bending mechanism 600 is extended to bend the bottom edge 16 of the package, and then the second pressing plate 520 is lifted to press the bottom edge 16 of the package against the bottom surface of the package, and the top edge 15 and the bottom edge 16 of the package are respectively adhered to the top surface and the bottom surface of the package by the hot melt adhesive;

S1000, the adsorption piece 441 and the ejection piece 620 retract and reset, and the second turnover mechanism 430 and the first turnover mechanism 420 drive the supporting part 410 to reset, so that the wrap angle is completed.

It can be appreciated that the first turning plate 412 and the second turning plate 413 of the corner wrapping apparatus of this embodiment can both turn over relative to the supporting plate 411, so that the first turning plate 412 or the second turning plate 413 can be selectively driven to turn over according to the specific corner position of the object to be packaged, and the corner wrapping apparatus can wrap angles at two adjacent corner positions, so that the corner wrapping apparatus includes two turning assemblies 400, i.e. four corners of the object to be packaged can be wrapped. The left side and the right side of the conveying mechanism 10 are respectively provided with a turnover assembly 400 (only one turnover assembly 400 is shown in fig. 1), the conveying mechanism 10 conveys the objects to be packaged to a first designated position, and the wrapping angles of two corners of the front end are completed through the two turnover assemblies 400; and then the conveying mechanism 10 continues to convey the objects to be packaged forward to the second designated position, and the wrapping angles of the two corners of the rear end are completed through the two overturning assemblies 400.

The embodiment of the invention also provides a mattress packaging production line which comprises the corner wrapping equipment, wherein the object to be packaged is a mattress.

It is understood that the mattress packaging production line also comprises a placing device for placing objects such as instructions and drying agents, a packaging device for completely packaging the mattress by kraft paper, and the like, wherein the devices are sequentially arranged along the conveying direction of the mattress.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.

Claims

1. A corner wrapping apparatus, comprising:

the punching assembly is arranged in the conveying direction of the feeding assembly and comprises a first die part and a second die part which are oppositely arranged, and the first die part and the second die part are mutually matched to act so as to punch a notch and a transverse crease on packaging raw materials;

the pasting component is used for pasting and fixing the packaging material and the object to be packaged;

the pressing assembly comprises a first pressing plate and a second pressing plate which can move up and down, the first pressing plate and the second pressing plate are arranged oppositely, the first pressing plate is used for pressing the top edge of the packaging material on the top surface of the corner position of the object to be packaged, and the second pressing plate is used for pressing the bottom edge of the packaging material on the bottom surface of the corner position of the object to be packaged;

the corner wrapping device comprises a bending mechanism, wherein the bending mechanism is used for bending the bottom end edge or the top end edge of the packaging material in advance.

2. The corner fitting apparatus according to claim 1, wherein: the first roller set comprises a first roller shaft and a second roller shaft which are oppositely arranged, wherein a plurality of annular bulges are arranged on the first roller shaft so as to press out the longitudinal crease on the packaging raw material.

3. The corner fitting apparatus according to claim 1, wherein: the first die part comprises a convex block for punching to form the notch and two convex strips for punching to form the transverse crease, the convex block is of a symmetrical structure, and the two convex strips are symmetrically arranged about the central line of the convex block so as to punch out the notch and the transverse crease on adjacent edges of two adjacent packaging materials on continuous packaging materials; the second die part comprises a first through hole and two long grooves, the first through hole is matched with the convex blocks, and the long grooves are matched with the convex strips.

4. A corner fitting according to claim 3, characterized in that: the first die part comprises a first die plate, a second die plate, a first elastic piece and a first driving piece, wherein the protruding blocks are arranged on the first die plate, the two protruding strips are arranged on the second die plate, the first driving piece is used for driving the first die plate to punch out the notch through punching action, the first elastic piece is arranged between the first die plate and the second die plate, and the first elastic piece is used for providing acting force for punching out the transverse crease.

5. The corner fitting apparatus according to claim 1, wherein: the cutting assembly comprises a cutting mechanism, the cutting mechanism comprises a cutter and a second driving piece, and the second driving piece is used for driving the cutter to cut.

6. The corner fitting apparatus according to claim 5, wherein: the pushing mechanism comprises a first platform and at least one pushing piece, wherein the pushing piece is movably arranged on the first platform and is used for pushing the packaging material to move to form a first position and a second position; wherein,,

the cutting mechanism is arranged at the first position, the first platform supports the tail end of the packaging raw material at the first position, and the cutting mechanism cuts the packaging raw material to form a packaging material with a preset length;

The second position is provided with an avoiding opening for avoiding the overturning assembly, and the packaging material is arranged on the overturning assembly.

7. The corner wrapping apparatus according to any one of claims 1 to 6, characterized in that: the turnover assembly comprises a supporting part, a first turnover mechanism and a second turnover mechanism; wherein,,

the supporting component is used for supporting the packaging material and comprises a supporting plate, a first turning plate and a second turning plate, wherein the first turning plate and the second turning plate are arranged on two sides of the supporting plate, and the first turning plate and the second turning plate are respectively connected with the supporting plate in a rotating way;

the first turnover mechanism is used for turnover the supporting component so that one part of the packaging material is attached to one packaging edge at the corner position of the object to be packaged;

the second turnover mechanism is used for selectively driving the first turnover plate or the second turnover plate to turn over relative to the supporting plate, so that the packaging material is turned over along the longitudinal crease, and the other part of the packaging material is attached to the other packaging edge at the corner position of the object to be packaged.

8. The corner fitting apparatus according to claim 7, wherein: the overturning assembly comprises a fixing mechanism, the fixing mechanism comprises at least one absorption part and a fifth driving part, the absorption part is used for absorbing packaging materials, a third through hole is formed in at least one of the supporting plate, the first turning plate and the second turning plate, the absorption part is arranged at the third through hole, and the fifth driving part is used for driving the absorption part to extend out of the third through hole so as to compress the packaging materials on a to-be-packaged object.

9. The corner fitting apparatus according to claim 7, wherein: the bending mechanism comprises a ninth driving piece and an ejection piece, a fourth through hole is formed in a preset position on the first turning plate and the second turning plate, the preset position is the bottom end edge or the top end edge of the packaging material on the supporting component, the ejection piece is arranged at the fourth through hole, and the ninth driving piece is used for driving the ejection piece to extend out of the fourth through hole so as to bend the bottom end edge or the top end edge of the packaging material.

10. The corner fitting apparatus according to claim 7, wherein: the bending mechanism comprises a support, a second elastic piece and at least one stirring piece, wherein the bending mechanism is arranged on the first pressing plate or the second pressing plate and can be lifted along with the first pressing plate or the second pressing plate, the stirring piece is rotationally connected with the support, and the second elastic piece is used for providing acting force for enabling the stirring piece to bend the top edge or the bottom edge of the packaging material.

11. The corner fitting apparatus according to claim 7, wherein: the bending mechanism comprises a poking plate and a third elastic piece, the poking plate comprises a horizontal part and an inclined part, the bending mechanism is arranged on the first pressing plate or the second pressing plate and can be lifted along with the first pressing plate or the second pressing plate, the third elastic piece is arranged between the first pressing plate and the poking plate or between the second pressing plate and the poking plate, and the third elastic piece is used for providing acting force for bending the poking plate and pressing the top edge or the bottom edge of the packaging material.

12. The corner fitting apparatus according to claim 1, wherein: the adhesive assembly comprises a glue spraying mechanism capable of transversely moving, and the glue spraying mechanism is used for spraying hot melt adhesive on the packaging material.

13. A corner wrapping method, characterized in that the corner wrapping of the object to be packaged is performed by the corner wrapping apparatus according to any one of claims 1 to 12, comprising the steps of:

14. The utility model provides a mattress packaging production line, waits to pack the thing and be mattress, its characterized in that: comprising the corner wrapping apparatus of any one of claims 1 to 12.