CN114476271A

CN114476271A - Corner wrapping equipment, corner wrapping method and mattress packaging production line

Info

Publication number: CN114476271A
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: 2022-05-13
Anticipated expiration: 2042-02-16
Also published as: CN114476271B

Abstract

The invention discloses a corner wrapping device, a corner wrapping method and a mattress packaging production line, wherein the corner wrapping device comprises a feeding component, a stamping component, a cutting component, a turning component, a pressing component and a pasting component, the feeding component comprises a first roller set, and longitudinal creases are pressed on a packaging raw material; 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 a packaging material with a preset length, and comprises a pushing mechanism which pushes the cut packaging material to the overturning assembly; the turnover assembly turns over the packaging material along the longitudinal crease line to enable the packaging material to be attached to the corner position of the object to be packaged; the pressing component presses the top end edge and the bottom end edge of the packaging material; the packaging material and the object to be packaged are stuck and fixed through the sticking assembly, and compared with the traditional manual operation, the work efficiency is improved.

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 a corner wrapping device, 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 extrude with the periphery when being transported, so that the article is damaged and deformed, in order to reduce the damage of the article caused by the collision of the corner position and improve the stacking strength, the corner position of the article is generally wrapped with paper corner protectors, for example, the four corner positions of a mattress are wrapped with paper corner protectors. The existing packaging for the paper corner protector is that the existing corrugated paper paperboard is folded and packaged at the corner position of a to-be-packaged object manually, and the working efficiency is low.

Disclosure of Invention

The invention aims to solve at least one technical problem in the prior art, and provides a corner wrapping device which can improve the working efficiency of corner wrapping.

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 including:

the feeding assembly is used for conveying continuous packaging raw materials and comprises a first roller set, and the first roller set is used for rolling the packaging raw materials so as to press longitudinal creases on the packaging raw materials;

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 and act to punch notches and/or transverse creases on the packaging raw materials;

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

the cutting assembly comprises a pushing mechanism, the pushing mechanism is used for pushing the cut packaging material to the turning assembly, and the turning assembly is used for turning 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 pressing component is used for pressing the top end edge of the packaging material on the top surface of the object to be packaged and pressing the bottom end 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 angle wrapping equipment at least has the following beneficial effects:

conveying continuous packaging raw materials through a feeding assembly, wherein a first roller set rolls the packaging raw materials, longitudinal creases are pressed on the packaging raw materials to enable subsequent packaging materials to be conveniently and symmetrically folded, notches and transverse creases are punched on the packaging raw materials through a first die part and a second die part of a punching assembly, the packaging raw materials are cut through a cutting assembly to form the packaging materials with preset lengths, the bottom end edges and the top end edges of the subsequent packaging materials are convenient to bend through the transverse creases, the packaging materials with the preset lengths are pushed to a turning assembly through a pushing mechanism, the packaging materials are folded along the longitudinal creases through the turning assembly to enable the packaging materials to be attached to corner positions of the packaging materials, the top end edges and the bottom end edges of the packaging materials are bent along the transverse creases, a pressing assembly presses the top end edges of the packaging materials to the top surface of the packaging materials to be packaged, and presses the bottom end edges of the packaging materials to the bottom surface of the packaging materials to be packaged, through pasting the subassembly with the packing material with treat that the packing material pastes fixedly, accomplish the cornerite, compare through the artifical folding packaging of packing material that will become now in the mode of treating the corner position of packing material now, can adopt the not fashioned packing raw materials of processing, replace manual operation simultaneously, improve cornerite work efficiency.

According to the corner wrapping device provided by the embodiment of the first aspect of the invention, the first roller group comprises a first roller shaft and a second roller shaft which are oppositely arranged, wherein a plurality of annular protrusions are arranged on the first roller shaft to press the longitudinal crease in the packaging raw material.

According to the corner wrapping device of the embodiment of the first aspect of the invention, the first die part comprises a lug for punching the notch and two convex strips for punching the transverse crease, the lug is of a symmetrical structure, the two convex strips are symmetrically arranged about the central line of the lug so as to punch the notch and the transverse crease on the adjacent edges of two adjacent packaging materials on the continuous packaging raw material; the second die component comprises a first through hole and two long grooves, the first through hole is matched with the protruding block, and the long grooves are matched with the protruding strips.

According to the corner wrapping apparatus of the embodiment of the first aspect of the present invention, the first die member includes a first die plate, a second die plate, a first elastic member and a first driving member, the protrusion is disposed on the first die plate, the two protruding strips are disposed on the second die plate, the first driving member is configured to drive the first die plate to perform a punching action to punch the notch, the first elastic member is disposed between the first die plate and the second die plate, and the first elastic member is configured to provide a force for punching the transverse fold.

According to the wrap angle device provided by the embodiment of the first aspect of the invention, the cutting assembly comprises a cutting mechanism, the cutting mechanism comprises a cutting knife and a second driving piece, and the second driving piece is used for driving the cutting knife to perform cutting action.

According to the corner wrapping device provided by the embodiment of the first aspect of the invention, the pushing mechanism comprises a first platform and at least one pushing piece, the pushing piece is movably arranged on the first platform, and the pushing piece is used for pushing the packaging material to move to form a first position and a second position; 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 packaging raw material is cut by the cutting mechanism to form a packaging material with a preset length; and an avoiding opening for avoiding the overturning assembly is arranged at the second position, and the packaging material is arranged on the overturning assembly at the second position.

According to the corner wrapping device provided by the embodiment of the first aspect of the invention, the turnover assembly comprises a support component, a first turnover mechanism and a second turnover mechanism; the packaging material packaging device comprises a supporting component, a packaging material conveying component and a packaging material conveying component, 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, 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 in rotating connection with the supporting plate; the first turnover mechanism is used for turning over the supporting part to enable one part of the packaging material to be 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 provided 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 over.

According to the corner wrapping equipment provided 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 a fixed end and a movable end of the third driving piece is rotatably connected with the supporting plate, and the other end of the third driving piece is rotatably 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 rotatably connected with the supporting plate, and the other end of the fourth driving piece is rotatably connected with the second turning plate so as to drive the second turning plate to turn.

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

According to the corner wrapping equipment provided 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 be lifted, the first pressing plate and the second pressing plate are arranged oppositely, the first pressing plate is used for pressing the top end edge of the packaging material on the top surface of the corner position of the object to be wrapped, and the second pressing plate is used for pressing the bottom end edge of the packaging material on the bottom surface of the corner position of the object to be wrapped.

According to the first aspect of the invention, the corner wrapping device comprises a bending mechanism which is used for pre-bending the bottom end edge or the top end edge of the packaging material.

According to the corner wrapping equipment provided by the embodiment of the first aspect of the invention, the bending mechanism comprises a ninth driving piece and an ejector 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 part, the ejector piece is arranged at the fourth through hole, and the ninth driving piece is used for driving the ejector 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.

According to the wrap angle device of the embodiment of the first aspect of the invention, the bending mechanism comprises a support, 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 rotatably connected with the support, and the second elastic piece is used for providing acting force for enabling the stirring piece to bend the top end edge or the bottom end edge of the packaging material.

According to the corner wrapping equipment provided by the embodiment of the first aspect of the invention, the bending mechanism comprises a shifting plate and a third elastic part, the shifting 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 lift along with the first pressing plate or the second pressing plate, the third elastic part is arranged between the first pressing plate and the shifting plate or between the second pressing plate and the shifting plate, and the third elastic part is used for providing acting force for bending the shifting plate and pressing the top end edge or the bottom end edge of the packaging material.

According to the corner wrapping equipment provided by the embodiment of the first aspect of the invention, the adhering component comprises a glue spraying mechanism which can move transversely and 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-wrapped object by the above corner wrapping apparatus, including the following steps:

the feeding assembly conveys continuous packaging raw materials, and the first roller set rolls the packaging raw materials and presses longitudinal creases on the packaging raw materials;

the first die part and the second die part of the punching assembly punch notches and transverse creases on the packaging raw material;

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

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

the turnover assembly turns over the packaging material along the longitudinal crease line to enable the packaging material to be attached to the corner position of the object to be packaged;

the top end edge and the bottom end edge of the packaging material are bent along the transverse crease, the top end edge of the packaging material is tightly pressed on the top surface of the object to be packaged by the pressing component, and the bottom end edge of the packaging material is tightly pressed on 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 embodiment of the invention, a mattress packaging production line is provided, which comprises the corner wrapping device.

Drawings

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

FIG. 1 is a schematic structural view of a corner wrapping device for wrapping a material to be wrapped according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a corner wrapping apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of another view of a wrap angle device according to an embodiment of the present invention;

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

FIG. 5 is a schematic diagram of the construction of a wrapper according to an embodiment of the present invention;

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

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

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

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

FIG. 10 is a schematic view of the overall construction of the inversion assembly and hold-down assembly of an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a flip assembly in accordance with an embodiment of the present invention;

FIG. 12 is a schematic view of an alternative embodiment of the flip assembly;

FIG. 13 is a schematic structural view of an inversion assembly of an embodiment of the invention with the support members horizontal;

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

FIG. 15 is a schematic structural view of a hold-down assembly according to an embodiment of the present invention;

figure 16 is a schematic view of the turnover assembly and the compacting assembly for wrapping the package according to the embodiment of the present invention;

FIG. 17 is a schematic structural 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 of an embodiment of the invention in a lowering process;

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

FIG. 20 is a top view of the second folding mechanism of the present invention lowered to the location of the object to be packaged;

FIG. 21 is an elevation view of the second folding mechanism of the embodiment of the present invention lowered to the point where the articles are to be packaged;

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

figure 23 is an elevational view of the inverting assembly of an embodiment of the present invention in an initial configuration for cornerite attachment of an article to be packaged;

FIG. 24 is an elevational view of the inverting assembly of the embodiment of the present invention shown wrapping an object to be packaged, wherein the first inverting mechanism drives the support member to invert;

figure 25 is a top plan view of the turnover assembly of the present invention shown in the position of a first corner of a package to be wrapped;

FIG. 26 is a top view of the flipping module of the embodiment of the present invention for wrapping a corner of a package, wherein the corner is located at a first corner and the second flipping mechanism drives the second flipping plate to flip;

figure 27 is a top plan view of the flipping module of the present embodiment for wrapping a corner of an object to be packaged, wherein the wrapping position is a second corner;

FIG. 28 is a top view of the flipping module of the embodiment of the present invention wrapping a corner of the object to be packaged, wherein the corner is located at a second corner and the second flipping mechanism drives the first flipping plate to flip;

reference numerals: the feeding assembly 100, the first roller set 110, the first roller shaft 111, the protrusion 112, the second roller set 120, the guide plate 130, the adjustment handle 140, the stamping assembly 200, the first die member 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 member 220, the third die plate 221, the first through hole 222, the cutting assembly 300, the cutting mechanism 310, the cutting knife 311, the second driving member 312, the pushing mechanism 320, the first platform 321, the sliding groove 3211, the pushing member 322, the avoiding opening 323, the turnover assembly 400, the support member 410, the support plate 411, the mounting frame 4111, the first turnover plate 412, the first connecting member 4121, the fourth through hole 4122, the avoiding groove 4123, the second turnover plate 413, the second connecting member 4131, the first turnover mechanism 420, the turnover frame 421, the connecting shaft 422, the sixth driving member 423, the rack mechanism 424, the gear 4241, the rack 4242, The first base 425, the second turnover mechanism 430, the third driving member 431, the fourth driving member 432, the fixing mechanism 440, the adsorbing member 441, the fifth driving member 442, the pressing assembly 500, the first pressing plate 510, the second pressing plate 520, the seventh driving member 530, the eighth driving member 540, the first bending mechanism 600, the ninth driving member 610, the ejecting member 620, the second bending mechanism 700, the bracket 710, the second elastic member 720, the toggle member 730, the pin 740, the toggle plate 750, the horizontal portion 751, the inclined portion 752, the third elastic member 760, the second base 810, the third base 820, the frame 830, the opening 831, the glue spraying mechanism 900, the conveying mechanism 10, the first portion 11, the second portion 12, the longitudinal fold 13, the transverse fold 14, the top end edge 15, the bottom end edge 16, the notch 17, the first packing edge 21, the second packing edge 22, the first edge 23, and the second edge 24.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood 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 otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 28, an embodiment of the present invention provides a corner wrapping apparatus, including a feeding assembly 100, a punching assembly 200, a cutting assembly 300, a turning assembly 400, a pressing assembly 500, and an adhering assembly, wherein the feeding assembly 100 conveys a continuous packaging material, the feeding assembly 100 includes 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 to facilitate folding of a subsequent packaging material, the longitudinal direction is parallel to a conveying direction of the feeding assembly 100, and is a left-right direction; the punching assembly 200 is arranged downstream of the feeding assembly 100 in the conveying direction, the punching assembly 200 comprises a first die part 210 and a second die part 220 which are arranged oppositely up and down, and the first die part 210 and the second die part 220 mutually cooperate to punch a notch 17 and a transverse crease 14 on the packaging raw material; the cutting assembly 300 is arranged at the downstream of the feeding assembly 100 in the conveying direction, and after the punching assembly 200, the cutting assembly 300 is used for cutting the packaging raw material to form a packaging material with a preset length, a bottom end edge 16 or a top end edge 15 of the packaging material is formed between the cutting edge and the transverse crease 14, the cutting assembly 300 comprises a pushing mechanism 320, and the pushing mechanism 320 pushes the cut packaging material to the overturning assembly 400; the turnover assembly 400 folds the packaging material along the longitudinal crease 13 to ensure that the packaging material is attached to the corner position of the object to be packaged; the pressing assembly 500 presses the top end edge 15 of the wrapper against the top surface of the item to be packaged and presses the bottom end edge 16 of the wrapper against the bottom surface of the item to be packaged; the packaging material is stuck and fixed with the object to be packaged through the sticking component.

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

Referring to fig. 4 and 5, in order to form a structure in which the wrapping material is rolled by the first roller set 110 of the feeding assembly 100, the punching assembly 200 punches and the cutting assembly 300 cuts to form a predetermined length of wrapping material, wherein the first roller set 110 is rolled to form a longitudinal crease 13, the two sides of the longitudinal crease 13 are respectively a first part 11 and a second part 12 of the packaging material, the two packaging edges at the corner positions of the object to be packaged are respectively a first packaging edge 21 and a second packaging edge 22, generally, the first packaging edge 21 and the second packaging edge 22 form an included angle of 90 degrees, when the package is in an angle, the flipping assembly 400 attaches the first portion 11 of the wrapper to the first wrapping edge 21 of the item to be wrapped, and then folds the second portion 12 of the wrapper 90 degrees, such that the second portion 12 is attached to the second wrapping edge 22 of the item to be wrapped, the pre-pressing of the longitudinal fold 13 by the first set of rollers 110 facilitates the folding of the second portion 12 along the longitudinal fold 13 when it is folded with respect to the first portion 11; the punching assembly 200 punches the notch 17 and the transverse crease 14, the notch 17 and the transverse crease 14 enable the first part 11 and the second part 12 of the packaging material to be formed with the top end edge 15 and the bottom end edge 16, the notch 17 is two, one notch 17 is located between the top end edges 15 of the first part 11 and the second part 12, the other notch 17 is located between the bottom end edges 16 of the first part 11 and the second part 12, when wrapping corners, the pressing assembly 500 presses the top end edges 15 of the first part 11 and the second part 12 to the top surface of the packaging material to be packaged and presses the bottom end edges 16 to the bottom surface of the packaging material to be packaged, so that the wrapping corners are firmer and more reliable, and the transverse crease 14 is punched through the punching assembly 200 in advance, and the bending of the top end edges 15 and the bottom end edges 16 of the packaging material is facilitated.

Compare with the mode that has through the manual work with present packing material folding packaging in the corner position of treating the packing material, the cornerite equipment of this embodiment can directly use the not machine-shaping packing raw materials to replace manual operation, improve work efficiency.

The cornerite equipment also includes conveying mechanism 10, and conveying mechanism 10 transports the packing article forward to the assigned position and carries out the cornerite, and conveying mechanism 10 can adopt the conveyer belt.

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 side by side, wherein the first roller set 110 includes a first roller shaft 111 and a second roller shaft arranged opposite to each other, 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 creases 13 on the packaging raw material; the second roller group 120 comprises two third roller shafts which are oppositely arranged up and down, and the two third roller shafts clamp the packaging raw materials for conveying; the feeding assembly 100 further comprises 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, the end of the guide plate 130 away from the second roller set 120 is arc-shaped so as to facilitate feeding, and the clamping force of the first roller set 110 and the second roller set 120 for clamping the packaging material can be adjusted by screwing the adjusting handle 140.

Referring to fig. 7 and 8, in some embodiments, the packaging material is fed between a first die part 210 and a second die part 220 of the punching assembly 200, wherein the first die part 210 includes a first die plate 211, a second die plate 212, a protrusion 213 for punching a notch 17 and two elongated ribs for punching a transverse fold 14, the first die plate 211 and the second die plate 212 are sequentially disposed one above the other, the protrusion 213 is disposed on the first die plate 211, the second die plate 212 is provided with two slots 214, the ribs (not shown) are inserted into the slots 214 for fixing, and the second die plate 212 is provided with a second through hole 215 for the protrusion 213 to pass through; the first die member 210 further includes a first elastic member 216 and a first driving member 217, the first driving member 217 can drive the first die plate 211 to punch, so that the protrusions 213 punch the notches 17, the first elastic member 216 is disposed between the first die plate 211 and the second die plate 212 to provide a force for punching the transverse fold 14 by the convex strip, specifically, the first driving member 217 can be a pneumatic cylinder, and the first elastic member 216 can be a spring; the second mold member 220 includes a third mold plate 221, a first through hole 222 and two long grooves (not shown, disposed on the upper surface of the third mold plate 221) disposed on the third mold plate 221, the two long grooves being located on both sides of the first through hole 222, the first through hole 222 matching with the projection 213, and the two long grooves matching with the two convex strips.

The process of the stamping action is as follows: the first driving member 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 member 216 is compressed, and the elastic force acts on the second template 212, so that the convex strip presses the transverse crease 14 on the packaging raw material; the first die plate 211 is lowered to drive the projections 213 through the second through-holes 215 in the second die plate 212 to punch the notches 17 in the packaging material.

Of course, it will be appreciated that the first die part 210 and the second die part 220 of the punching assembly 200 may be arranged to punch only the notches 17 or the transverse creases 14 in the packaging material.

In some of these embodiments, the projection 213 is of a symmetrical configuration, and the two ribs are symmetrically disposed about the centerline of the projection 213, so that one punch can punch the notch 17 and transverse fold 14 in adjacent edges of two adjacent packages on a continuous packaging material.

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

Referring to fig. 9, in some embodiments, the cutting assembly 300 includes a cutting mechanism 310, the cutting mechanism 310 includes a cutting knife 311 and a second driving member 312, the second driving member 312 is used for driving the cutting action of the cutting knife 311, and specifically, the second driving member 312 may employ an air cylinder. After the cutting mechanism 310 cuts the packaging material into a predetermined length of packaging material, the packaging material is pushed to the turnover assembly 400 by the pushing mechanism 320.

In some embodiments, the pushing mechanism 320 includes a first platform 321 and at least one pushing element 322, the pushing element 322 is movably disposed on the first platform 321, specifically, the pushing element 322 can be driven by an air cylinder or a screw nut transmission mechanism, etc. to move, the first platform 321 is provided with a plurality of chutes 3211, the pushing element 322 moves along the chutes 3211, and the pushing element 322 is used for pushing the packaging material to move to form a first position and a second position; wherein the cutting mechanism 310 is disposed at a first position, at which the first platform 321 supports the end of the packaging material, and the cutting mechanism 310 cuts the packaging material into a packaging material of a predetermined length; the second position is provided with an avoiding opening 323 for avoiding the turnover assembly 400, and in the second position, the packing material is arranged on the supporting part 410 of the turnover assembly 400 and then is subjected to corner wrapping through the turnover assembly 400. The translation pushing of the cut packaging material is realized through the pushing mechanism 320, so that the feeding assembly 100 and the overturning assembly 400 can be arranged on the same side of the first platform 321 in parallel, the structure is compact, and the occupied space of the equipment is saved.

It will be understood that the gluing assembly can take different configurations, as long as it is able to achieve the gluing of the wrapper to the item to be packaged, for example: glue can be sprayed on the packaging material in a glue spraying mode, and the packaging material are adhered through glue; or a sealing machine is adopted, and the sealing machine pulls the adhesive tape to stick the packaging material and the object to be packaged.

In some embodiments, the applicator assembly includes a laterally movable glue applicator mechanism 900, the glue applicator mechanism 900 being configured to apply hot melt glue to the wrapper, thereby adhering the wrapper to the item to be packaged. Specifically, the glue spraying mechanism 900 is disposed adjacent to the first platform 321, and moves transversely with the feeding of the feeding assembly 100 to spray hot melt glue onto the first portion 11, the second portion 12, the top end edge 15, and the bottom end edge 16 of the packaging material.

Referring to fig. 10-13, in some embodiments, the inversion assembly 400 includes a support member 410, a first inversion mechanism 420, and a second inversion 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 with 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 with the bottom of the supporting plate 411; the supporting part 410 is in a horizontal state initially and is positioned at the position of the avoiding opening 323 of the first platform 321, the first turnover mechanism 420 can turn over the supporting part 410 to turn over for 90 degrees approximately 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 to-be-packaged object; the second turning mechanism 430 can selectively drive the first turning plate 412 or the second turning plate 413 to turn over approximately 90 degrees relative to the supporting plate 411, so that the packaging material is turned over along the longitudinal crease 13, and the second part 12 of the packaging material is attached to the second packaging edge 22 at the corner position of the object to be packaged.

After the first turnover mechanism 420 drives the supporting component 410 to turn over integrally, the first turnover mechanism 412 or the second turnover mechanism 413 is selectively controlled to turn over according to the relative positions of the first turnover mechanism 412 and the second turnover mechanism 413 with respect to the object to be packaged, wherein, referring to fig. 25, if the first turnover mechanism 412 is connected with the object to be packaged and the second turnover mechanism 413 is located at the outer side of the object to be packaged, the second turnover mechanism 430 is controlled to drive the second turnover mechanism 413 to turn over; referring to fig. 27, if the second flap 413 is connected to the object to be packaged and the first flap 412 is located outside the object to be packaged, the second flipping mechanism 430 is controlled to flip the first flap 412.

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

It can be understood that the specific structures of the first turnover mechanism 420 and the second turnover mechanism 430 may be set as required, for example, the corresponding components may be directly driven to rotate by a rotating device such as a motor or a rotating cylinder, so as to complete the turnover, or a link mechanism or other transmission mechanism may be set, so as to indirectly drive the corresponding components to turn over by the link mechanism.

Referring to fig. 11 to 13, in some embodiments, the first flipping mechanism 420 includes a first driving assembly and a flipping frame 421, the flipping frame 421 is fixedly connected to the supporting plate 411, and the first driving assembly drives the flipping frame 421 to rotate to flip the supporting member 410. Specifically, the first driving assembly includes a connecting shaft 422, two sixth driving members 423, and two rack and pinion mechanisms 424 corresponding to the sixth driving members 423, each rack and pinion mechanism 424 includes a gear 4241 and a rack 4242, which are engaged with each other, the sixth driving members 423 can drive the racks 4242 to move, so as to drive the gears 4241 to rotate, and the sixth driving members 423 can adopt air cylinders; the connecting shaft 422 is fixedly connected with each gear 4241 so as to enable each rack 4242 and the sixth driving piece 423 to synchronously act; the connecting shaft 422 is fixedly connected with the turning frame 421 to drive the turning frame 421 to rotate; the first turnover mechanism 420 is mounted on the first base 425, the rack 4242 is connected with the first base 425 in a sliding manner, the first base 425 is arranged on the second base 810, and the second base 810 is arranged on the third base 820 in a manner of moving left and right, so that the left and right positions of the first turnover mechanism 420 and the supporting part 410 can be movably adjusted to enable the first turnover mechanism to lean against an object to be packaged.

It can be understood that the number of the sixth driving elements 423 and the rack and pinion mechanism 424 can be set as required, when the mass of the supporting component 410 is large, the plurality of the sixth driving elements 423 can be driven together, and the rack and pinion mechanism 424 is used to link the sixth driving elements 423, so that the sixth driving elements 423 can be ensured to act synchronously, and the working reliability can be improved.

It is understood that the first driving assembly can be configured differently, such as a motor, a rotary cylinder, or a link transmission 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 capable of reciprocating linearly, the third driving member 431 and the fourth driving member 432 may adopt an air cylinder, a mounting frame 4111 is disposed at the bottom of the supporting plate 411, a fixed end of the third driving member 431 is rotatably connected to the mounting frame 4111, and a movable end of the third driving member is rotatably connected to 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 relative to the supporting plate 411; the fixed end of the fourth driving member 432 is rotatably connected to the mounting block 4111, and the movable end thereof is rotatably connected to the second connecting member 4131 at the bottom of the second flap 413, so as to drive the second flap 413 to turn relative to the supporting plate 411. The third driving member 431 and the fourth driving member 432 are arranged on the Y-shaped mounting rack 4111 in a crossed 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 actuating member 431 may be pivotally connected to the mounting block 4111, while the fixed end is pivotally connected to the first connector 4121; similarly, the movable end of the fourth driving member 432 may be rotatably connected to the mounting block 4111, and the fixed end may be rotatably connected to the second connecting member 4131.

Referring to fig. 11, 12 and 14, in some embodiments, the turnover assembly 400 includes a fixing mechanism 440, and the fixing mechanism 440 fixes the packing material on the support member 410 to prevent the packing material from falling off when the support member 410 is turned over. 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 packaging material is adsorbed by the adsorbing member 441, 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 to adsorb the packaging material by vacuum negative pressure.

Further, the fixing mechanism 440 includes a fifth driving member 442, the fifth driving member 442 may employ 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 out or retract into the first through hole 222, wherein the adsorbing member 441 extends out of the first through hole 222, so as to press the packaging material onto the object to be packaged, so that the packaging material is in close contact with the object to be packaged, thereby improving the effect of adhering 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 capable of lifting, and the first pressing plate 510 and the second pressing plate 520 are disposed opposite to each other, the first pressing plate 510 is driven to lift by a seventh driving member 530, the second pressing plate 520 is driven to lift by an eighth driving member 540, and the seventh driving member 530 and the eighth driving member 540 may adopt an air cylinder; the package to be packaged is placed between the first pressing plate 510 and the second pressing plate 520, the top end edge 15 of the packaging material is pressed on the top surface of the corner position of the package to be packaged through the first pressing plate 510, and the bottom end edge 16 of the packaging material is pressed on the bottom surface of the corner position of the package to be packaged through the second pressing plate 520. After the wrapper is wrapped around the package to be wrapped, the first portion 11 and the second portion 12 are at a substantially 90 degree angle and the first platen 510 and the second platen 520 are substantially square, such that two adjacent sides of the square first platen 510 can simultaneously compress the top edges 15 of the first portion 11 and the second portion 12 and two adjacent sides of the square second platen 520 can simultaneously compress the bottom edges 16 of the first portion 11 and the second portion 12.

In some embodiments, the wrap angle device includes a bending mechanism, which pre-bends the bottom edge 16 or the top edge 15 of the wrapper and then compresses the wrapper by the compression assembly 500, thereby preventing the compression plate from failing to compress the wrapper and improving the reliability of the operation of the compression assembly 500.

The two bending mechanisms are a first bending mechanism 600 and a second bending mechanism 700, wherein the bottom end edge 16 of the packaging material is pre-bent by the first bending mechanism 600, and the top end edge 15 of the packaging material 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, the first and

second flaps

412 and 413 are provided with a fourth through hole 4122 at predetermined positions, i.e., the bottom end edge 16 of the packaging material on the support member 410 is located on the support member 410, the bottom end edge 16 of the packaging material is aligned with the fourth through hole 4122, the ejector member 620 is provided at the fourth through hole 4122, the ninth driving member 610 can adopt an air cylinder, the ninth driving member 610 can drive the ejector member 620 to extend out of the fourth through hole 4122, and the bottom end edge 16 of the packaging material is pushed to bend along the transverse crease 14.

Referring to fig. 17, in some embodiments, the second bending mechanism 700 includes a support 710, a second elastic member 720 and at least one toggle member 730, specifically, the toggle member 730 is rod-shaped, the second bending mechanism 700 is disposed on the first pressing plate 510 and can move up and down along with the first pressing plate 510, the toggle member 730 is rotatably connected to the support 710 through a pin 740, the second elastic member 720 employs a tension spring, one end of the tension spring is fixedly connected to the support 710, and the other end of the tension spring is fixedly connected to the toggle member 730, and the second elastic member 720 provides a force for the toggle member 730 to bend 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 packaging material 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 fold 14; referring to fig. 20 and 21, when the toggle member 730 descends to the position of the object to be packaged, as the toggle member 730 is connected with the bracket 710 through the second elastic member 720 and continues to descend, 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 packaging material against 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, a second folding mechanism 700 is provided on each of two adjacent sides of the first platen 510 to pre-fold 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 an avoiding groove 4123, and the avoiding groove 4123 is used for avoiding the toggle member 730 from bending the packaging material. Referring to fig. 26 and 28, when the first pressing plate 510 is pressed down, the first and

second turning plates

412 and 413 are still maintained in a turned state, the first and

second turning plates

412 and 413 are abutted against the object to be packaged, the stirring member 730 presses down the top edge 15 of the packaging material, the bottom end of the stirring member 730 extends out of the side surface of the object to be packaged, and the pushing down action of the stirring member 730 is avoided by providing an avoiding groove 4123 on the first and

second turning plates

412 and 413, so that the stirring member 730 is prevented from colliding with or interfering with the first and

second turning plates

412 and 413.

In this embodiment, the first bending mechanism 600 is adopted to bend the bottom edge 16 of the packaging material, and the second bending mechanism 700 is adopted to bend the top edge 15 of the packaging material, so that the packaging material can be suitable for different specifications of packaging materials to be packaged, the heights of the packaging materials to be packaged are different, and accordingly, the length of the packaging material is correspondingly adjusted. In this embodiment, the packaging material is pushed by the pushing mechanism 320 and placed on the supporting member 410, and the bottom end edge 16 is located at the position of the fourth through hole 4122, so that for packaging materials of different specifications, the packaging material can be ejected by the ejecting member 620 of the first bending mechanism 600 to bend the bottom end edge 16 of the packaging material; the upper edge of the packaging material is bent by the second bending mechanism 700 acting from top to bottom, i.e. the initial position of the second bending mechanism 700 is above the top edge 15 of the packaging material.

It will be appreciated that, as an alternative, the first bending mechanism 600 may be arranged to bend the top edge 15 of the wrapper and the second bending mechanism 700 may be arranged to bend the bottom edge 16 of the wrapper, which also enables pre-bending of the top edge 15 and the bottom edge 16 of the wrapper, in particular, the first bending mechanism 600 may be arranged such that the predetermined position of the fourth aperture 4122 is at the top edge 15 of the wrapper on the support member 410, and the ninth driving member 610 may drive the ejector member 620 to extend out of the fourth aperture 4122, thereby bending the top edge 15 of the wrapper; the second bending mechanism 700 is disposed on the lower second pressing plate 520 and can move up and down along with the second pressing plate 520, and the second elastic member 720 provides a force for bending the toggle member 730 to the bottom edge 16 of the packaging material.

It will be appreciated that for a predetermined specification of the package and the wrapper, the length and width of the wrapper being determined, two first bending mechanisms 600 may be used, the two first bending mechanisms 600 respectively bend the top end edge 15 and the bottom end edge 16 of the wrapper, two ejectors 620 are provided on the first flap 412 and the second flap 413, the two ejectors 620 being located at the positions of the bottom end edge 16 and the top end edge 15 of the wrapper on the flaps respectively; in addition, for the objects to be packaged and the packaging material with different specifications, two second bending mechanisms 700 can be adopted and 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 material.

Referring to fig. 22, in some other embodiments, the second bending mechanism 700 may alternatively include 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 move up and down with the first pressing plate 510, the third elastic member 760 is disposed between the first pressing plate 510 and the pulling plate 750, and the third elastic member 760 is 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 packaging material in advance, the top edge 15 is pressed and bent, the third elastic member 760 provides a bending force, and when the horizontal portion 751 of the pulling plate 750 descends to the position of the packaging material to be packaged, 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 packaging material.

Similarly, the second bending mechanism 700 using the pulling plate 750 may also be disposed on the second pressing plate 520, and a third elastic member 760 is disposed between the second pressing plate 520 and the pulling plate 750 as the second pressing plate 520 moves up and down, and the third elastic member 760 provides a force to bend the pulling plate 750 and press the bottom edge 16 of the wrapper.

Referring to fig. 15 and 16, in some embodiments, a first press plate 510 and a second press plate 520 form a set of compression assemblies 500, the compression assemblies 500 being arranged in two sets, the two sets of compression assemblies 500 being arranged side-by-side, wherein one set of compression assemblies 500 is used to compress a wrapper wrapped around a corner of a package to be wrapped, and the other set of compression assemblies 500 is used to compress a wrapper wrapped around an adjacent corner of a package to be wrapped. One of the pressing assemblies 500 can be selectively driven to act for wrapping corners at different corner positions on the object to be wrapped.

The pressing assembly 500 is mounted on the frame 830, the frame 830 is disposed on the second base 810, the frame 830 is provided with an opening 831 for avoiding the supporting component 410, the supporting component 410 is initially in a horizontal state, and after the first turnover mechanism 420 drives the supporting component 410 to turn over, the supporting component 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 for wrapping the corner of the object to be wrapped by the corner wrapping equipment, which 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 pressing assembly 500;

s200, the feeding assembly 100 conveys continuous packaging raw materials, the packaging raw materials are rolled through the first roller set 110, and longitudinal creases 13 are pressed on the packaging raw materials;

s300, punching notches 17 and transverse creases 14 on the packaging raw material by the packaging raw material through a punching part, a first die part 210 and a second die part 220;

s400, cutting the packaging raw material into a packaging material with a preset length by the cutting mechanism 310 of the cutting assembly 300, and forming a bottom end edge 16 or a top end edge 15 of the packaging material between the cutting edge and the transverse crease 14;

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

s600, pushing the packaging material with the preset length to the supporting part 410 of the turnover assembly 400 by the pushing mechanism 320;

s700, the first turnover mechanism 420 of the turnover assembly 400 drives the support component 410 to turn over integrally, 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 support plate 411 is approximately positioned at the corner of the object to be packaged, and the first turnover plate 412 or the second turnover plate 413 is selectively controlled to turn over (step S710) or (step S720) according to the current relative positions of the first turnover plate 412 and the second turnover plate 413 to the object to be packaged;

s710, referring to fig. 25, if the first corner 23 of the object to be packaged is wrapped, the first turning plate 412 is connected to the object to be packaged, and the second turning plate 413 is located 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 over, so that the second part 12 of the packaging material turns over along the longitudinal crease 13, and the second part 12 is attached to the second packaging edge 22 at the corner position of the object to be packaged, referring to fig. 26;

s720, referring to fig. 27, if the second corner 24 adjacent to the first corner 23 on the object to be packaged is wrapped, at this time, the second turning plate 413 is connected to the object to be packaged, and the first turning plate 412 is located outside 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 part 12 of the packaging material is turned over along the longitudinal crease 13, and the second part 12 is attached to the second packaging edge 22 at the corner position of the object to be packaged, referring to fig. 28;

s800, driving the adsorption pieces 441 on the first turning plate 412 and the second turning plate 413 to extend by a fifth driving piece 442, pressing the packaging material on a to-be-packaged object, and adhering the surface of the packaging material with the to-be-packaged object through hot melt adhesive;

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

and 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 component 410 to reset to complete the wrap angle.

It can be understood that, the first turning plate 412 and the second turning plate 413 of the angle wrapping device of the present embodiment can both be turned 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 according to the specific corner position of the object to be packaged, and the angle wrapping device can wrap two adjacent corner positions, so that the angle wrapping device includes two turning assemblies 400, that is, 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 one overturning assembly 400 (only one overturning assembly 400 is shown in fig. 1), the conveying mechanism 10 conveys the to-be-packaged objects to a first designated position, and the wrapping angles of two corners at the front end are completed through the two overturning assemblies 400; the conveying mechanism 10 then continues to convey the objects to be packaged forward to a second designated position, and the wrapping angles of the two corners at the rear end are completed through the two turning assemblies 400.

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

It can be understood that the mattress packaging production line also comprises a placing device for placing articles such as specifications, drying agents and the like, a packaging device for completely wrapping the mattress by kraft paper and the like, and all the devices are arranged in sequence 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 those skilled in the art without departing from the gist of the present invention.

Claims

1. A corner wrapping apparatus, comprising:

2. The corner wrapping apparatus of 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 extrude the longitudinal creases on the packaging raw materials.

3. The corner wrapping apparatus of claim 1, wherein: the first die part comprises a lug and two convex strips, the lug is used for punching the notch, the two convex strips are used for punching the transverse crease, the lug is of a symmetrical structure, the two convex strips are symmetrically arranged relative to the central line of the lug, and the notch and the transverse crease are punched on the adjacent edges of two adjacent packaging materials on continuous packaging raw materials; the second die component comprises a first through hole and two long grooves, the first through hole is matched with the protruding block, and the long grooves are matched with the protruding strips.

4. The corner wrapping apparatus of claim 3, wherein: first mould part includes first template, second template, first elastic component and first driving piece, the lug sets up on the first template, two the sand grip sets up on the second template, first driving piece is used for the drive first template punching press action is in order to punch out the breach, first elastic component sets up first template with between the second template, first elastic component is used for providing the punching press and goes out the effort of horizontal crease.

5. The corner wrapping apparatus of 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 perform cutting action.

6. The corner wrapping apparatus of claim 5, wherein: the pushing mechanism comprises a first platform and at least one pushing piece, the pushing piece is movably arranged on the first platform, and the pushing piece is used for pushing the packaging materials 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 packaging raw material is cut by the cutting mechanism to form a packaging material with a preset length;

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

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

the support component is used for supporting the packaging material and comprises a support plate, a first turning plate and a second turning plate, the first turning plate and the second turning plate are arranged on two sides of the support plate, and the first turning plate and the second turning plate are respectively in rotary connection with the support plate;

the first turnover mechanism is used for turning over the supporting part to enable one part of the packaging material to be 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 wrapping apparatus of claim 7, wherein: the turnover assembly comprises a fixing mechanism, the fixing mechanism comprises at least one adsorption piece and a fifth driving piece, the adsorption piece is used for adsorbing a packaging material, at least one of the support plate, the first turning plate and the second turning plate is provided with a third through hole, the adsorption piece is arranged at the position of the third through hole, and the fifth driving piece is used for driving the adsorption piece to extend out of the third through hole so as to tightly press the packaging material on a to-be-packaged material.

9. The corner wrapping apparatus of claim 7, wherein: the pressing assembly comprises a first pressing plate and a second pressing plate which can move in a lifting mode, the first pressing plate and the second pressing plate are arranged oppositely, the top end edge of the packaging material is used for pressing the top surface of the corner position of the packaging material to be packaged, and the bottom end edge of the packaging material is used for pressing the bottom surface of the corner position of the packaging material to be packaged.

10. The corner wrapping apparatus of claim 9, wherein: the corner wrapping equipment comprises a bending mechanism, and the bending mechanism is used for bending the bottom end edge or the top end edge of the packaging material in advance.

11. The corner wrapping apparatus of claim 10, wherein: the bending mechanism comprises a ninth driving piece and an ejecting piece, a fourth through hole is formed in a preset position of 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 part, the ejecting piece is arranged at the fourth through hole, and the ninth driving piece is used for driving the ejecting 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.

12. The corner wrapping apparatus of claim 10, wherein: the bending mechanism comprises a support, 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 rotatably connected with the support, and the second elastic piece is used for providing acting force for enabling the stirring piece to bend the top end edge or the bottom end edge of the packaging material.

13. The corner wrapping apparatus of claim 10, wherein: the bending mechanism comprises a shifting plate and a third elastic part, the shifting 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 lift along with the first pressing plate or the second pressing plate, the third elastic part is arranged between the first pressing plate and the shifting plate or between the second pressing plate and the shifting plate, and the third elastic part is used for providing acting force for enabling the shifting plate to be bent and pressing the top end edge or the bottom end edge of the packaging material.

14. The corner wrapping apparatus of claim 1, wherein: the pasting assembly comprises a glue spraying mechanism capable of moving transversely, and the glue spraying mechanism is used for spraying hot melt glue on the packaging materials.

15. A corner wrapping method characterized by wrapping a to-be-wrapped object by the corner wrapping apparatus of any one of claims 1 to 14, comprising the steps of:

16. The utility model provides a mattress packaging production line, treats that the packing material is the mattress, its characterized in that: comprising the corner wrapping device of any one of claims 1 to 14.