CN105366091B - Film packaging machine and its packing method and square box - Google Patents

Abstract

The present invention provides a kind of film packaging machine, including turning mechanism, filming-drawing mechanism, cutter mechanism, expansion bag mechanism and enclosed mechanism；The turning mechanism includes four knuckle plates and four profiled sheetings, and the knuckle plate coordinates profiled sheeting that the single thin film is fitted in into square box, and coordinates filming-drawing mechanism that the single thin film is wrapped in into square box；The cutter mechanism cuts off the corner of square package bag, and removal of place film is sealed, and heat-sealing envelope trace is located at packing box seamed edge, while makes square package bag of the film formed with single opening；The expansion bag mechanism inserts square package bag opening, by film horizontal development at left and right sides of opening, a surface of the square box being attached at corresponding to opening；The enclosed mechanism carries out film earnestly, and a packaging line is formed on square box surface corresponding to opening.The present invention also provides a kind of film packaging method and packing box obtained by this method.

Description

Film packaging machine and its packing method and square box

【Technical field】

The present invention relates to film packaging field, more particularly to a kind of film packaging machine and its packing method and square package Box.

【Background technology】

Commercialized society, enterprise can all strive making the outer packing of oneself product more attractive more aobvious to publicize the product of oneself Top grade, it need to generally pack the transparent film of last layer again in the outer surface of square box.As electronic product, food, cosmetics, It is both needed in the outer packing of medical supplies etc. with a square package bag to play moistureproof, anti-scratch or the effect such as attractive in appearance.

Be present the problem of certain in current blister pack technology, i.e., entered using in general film packaging machine square shaped packing box After one film packaging of row, the film square package bag of square box is more coarse, and there is packaging line multiple sides, can cover The trade mark or Upholstering design of square box are blocked, influences the attractive in appearance of square box.

【The content of the invention】

To overcome the technical problem in current film packaging field, the present invention provides a kind of new film packaging machine and its bag Dress method and square box.

The present invention provides a kind of film packaging machine, including turning mechanism, filming-drawing mechanism, cutter mechanism, expand bag mechanism and Enclosed mechanism；Filming-drawing mechanism includes folder film device, and folder film device can clamp a single thin film in vertical direction displacement；The knuckle Mechanism includes four knuckle plates and four profiled sheetings, and the knuckle plate coordinates profiled sheeting to fit in the single thin film and square package Two vertical opposite flanks of three faces of box, and the single thin film is folded into one end open and carried with co-clip film device The square package bag of four corners is simultaneously wrapped in square box；The cutter mechanism is by four parallel sides of square package bag Corner excision, and removal of place film is sealed, heat-sealing envelope trace is located at packing box seamed edge, while makes film formed with list The square package bag of one opening；The expansion bag mechanism inserts square package bag opening, by film horizontal development at left and right sides of opening, The film docking of upper and lower both sides, it is attached at a surface of the corresponding square box of opening；The enclosed mechanism is by upper and lower both sides The film of docking is carried out earnestly, and a packaging line is formed on square box surface corresponding to opening.

Preferably, the film packaging machine at six ribs of square box formed with six packaging lines.

Preferably, the direct of travel of the square box is perpendicular to plane where film.

Preferably, four profiled sheetings form a packaging passage, and the profiled sheeting is smooth surface close to packaging passage one side, One jiao of the profiled sheeting is provided with guide pad, and it is smooth arc surface that the guide pad, which is opposite in packaging passage side,.

Preferably, the expansion bag mechanism includes expanding bagging apparatus, and the expansion bagging apparatus includes first rotating shaft, expands bag webs and solid Stator, the stator push square box to film before packaging bag is made in film, and stator top is against square bag Mounted box so that bag-making organization by film packaging in square box, the expansion bag webs parallel to the stator and with first turn Axle is rotatably assorted, film be wrapped in square box formed one end open packaging bag after, it is described expansion bag webs move opposite to each other by Film horizontal development at left and right sides of square package bag opening, dock the film of upper and lower both sides.

Preferably, the stator is two, and the expansion bag webs includes free end and fixing end, and the fixing end offers For axis hole to be rotatably assorted with the first rotating shaft, the free end end is provided with the first hypotenuse and the second hypotenuse, and described first Hypotenuse and the second hypotenuse are set in angle, and the angle is less than 90 °.

Preferably, the expansion bagging apparatus also includes pusher, and the pusher includes cylinder, the first sliding block, the second cunning Block, spring and the second rotating shaft；The cylinder is connected with first sliding block, and the spring is arranged at first sliding block and Between two sliding blocks, second rotating shaft connects the second sliding block and expands bag webs, the cylinder promote first sliding block to slide so as to The second sliding block slide displacement is driven to drive the expansion bag webs to be rotated around the first rotating shaft.

Preferably, the film packaging machine includes a detection means, the size of the detection means automatic detection square box, Filming-drawing mechanism and expansion bag mechanism, turning mechanism, size adjusting itself portion of the filming-drawing mechanism with expansion bag mechanism according to square box The distance of part.

The present invention also provides a kind of packing method of film packaging machine, including：

Step S1：For film pan feeding, there is provided the single thin film of a flat state and a square box, and be transported to be packaged Position；Box is pushed away, the stator for expanding bag mechanism serves as push away case structure and pushes square box to film, and stator top is against side Shape packing box, to support square box；Step S2：Bag, folder film device in vertical direction displacement and can clamp film；Folding Angle mechanism includes four knuckle plates and four profiled sheetings, and the knuckle plate coordinates profiled sheeting to fit in the single thin film and square bag Two vertical opposite flanks of three faces of mounted box, at the same with co-clip film device by the single thin film be folded into one end open and Square package bag with four corners is simultaneously wrapped in square box；Cutter mechanism cuts off corner, and to removal of place film Sealed, form a square package bag with opening；Step S3：Expand bag, expand bag mechanism expansion bag webs move opposite to each other by Film horizontal development at left and right sides of square package bag opening, dock the film of upper and lower both sides；Step S4：Sealing, sealing machine The film excision of structure opening, and seal.

The present invention also provides a kind of square box, and the packing box is made by foregoing packing method.

Relative to prior art, film packaging machine provided by the invention and its relatively existing packing technique of packing method, Its production efficiency is significantly lifted, and the stay in grade of its product.By setting bag-making organization and expanding bag mechanism, bag-making organization leads to Cross turning mechanism therein, by single thin film be folded into four parallel sides with corner square package bag be wrapped in it is square On packing box, and corner is cut off with hot knife, by the side thermal of film, form a packaging line in four parallel sides and Square package bag with an opening.Expand bag mechanism and bag is expanded to opening, be then packaged, packaging line now is in square package The center position of box.Square package bag after encapsulation is admitted to reason angle chamfering mechanism, and reason angle chamfering mechanism can be by square package The corner that bag nature is stretched out manage directly, is then cut off at the sideline of square box along sideline, and sutures, and simultaneously will Corner after cut-out pulls off and unifies to collect, and corner is not present in such square package bag on square box after pyrocondensation, The packaging line of its both ends and four sides overlaps with the sideline of square box, and only a packaging line is being placed in square box just Middle position, its pack it is overall neat and artistic, and avoid the corner of square package bag to greatest extent or sideline block it is square The trade mark of packing box, or influence square box on Upholstering design the problem of.

【Brief description of the drawings】

Fig. 1 is the modular structure schematic diagram of the film packaging machine of first embodiment of the invention, it include a bag-making organization and One expands bag mechanism.

Fig. 2 is the dimensional structure diagram of the film packaging machine of first embodiment of the invention.

Fig. 3 is the stereochemical structure exploded perspective view of the film packaging machine of first embodiment of the invention.

Fig. 4 is the film and square box before the bag-making organization running of the film packaging machine of first embodiment of the invention View.

Fig. 5 is the film and square box in the bag-making organization running of the film packaging machine of first embodiment of the invention View.

Fig. 6 is the film and square box after the bag-making organization running of the film packaging machine of first embodiment of the invention View.

Fig. 7 is the amplification dimensional structure diagram of the expansion bag mechanism of the film packaging machine of first embodiment of the invention, and it is wrapped Include two expansion bag webs.

Fig. 8 is the expansion bag webs enlarged diagram of the expansion bag mechanism of the film packaging machine of first embodiment of the invention.

Fig. 9 is the stator enlarged diagram of the expansion bag mechanism of the film packaging machine of first embodiment of the invention.

Figure 10 is that the bag mechanism that expands of the film packaging machine of first embodiment of the invention operates rear film and square box View.

Figure 11 is the enclosed mechanism running rear film and square box of the film packaging machine of first embodiment of the invention View.

Figure 12 is film and square package during the reason angle chamfering mechanism of the film packaging machine of first embodiment of the invention operates The view of box.

Figure 13 is the reason angle chamfering mechanism running rear film and square package of the film packaging machine of first embodiment of the invention The view of box.

Figure 14 is the flow chart of second embodiment of the invention film packaging machine packing method.

【Embodiment】

In order that the purpose of the present invention, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and embodiment, The present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, It is not intended to limit the present invention.

Referring to Fig. 1, first embodiment of the invention film packaging machine includes a feeding mechanism 11, and a bag-making organization 13, one Garbage collection mechanism 14, one expands bag mechanism 15, an enclosed mechanism 17, a corner cut Li Jiao mechanisms 18 and a discharging mechanism 19.This enters Expect mechanism 11, bag-making organization 13, garbage collection mechanism 14, expand bag mechanism 15, enclosed mechanism 17, corner cut Li Jiao mechanisms 18 and discharging Mechanism 19 is set gradually.

Square box is put into from feeding mechanism 11, is transported to position to be packaged, and the outer surface of the square box is formed The box body of one rectangular-shape, hollow processing can be done at the non-rib of the outer surface, its corner can be right angle, and chamfer and circle are fallen Angle, as long as the box body that shape is similar to cuboid is included within the scope of the square box of meaning of the invention.Bag Making Machine Five bread of square box are wrapped thin film by structure 13, form the square package bag of one end open.It is right to expand bag mechanism 15 Opening carries out expansion bag, and enclosed mechanism 17 is earnestly sealed to the opening after expanding bag.Packaged square box enters reasonable angle Chamfering mechanism 18, two film corners of the reason square shaped packaging bag of angle chamfering mechanism 18 carry out managing angle and corner cut, then via Discharging mechanism 19 sends out square box.Garbage collection mechanism 14 recycles to the film portion being cut out, and makes Comfortable working environment is clean and tidy.

Fig. 2 and Fig. 3 are referred to, the entrance of the feeding mechanism 11 is provided with a detection means (not shown), detection means It is connected with bag-making organization 13, it can go out the size length, width and height of square box with automatic detection, and the value is sent into bag Mechanism 13.

Bag-making organization 13 includes a filming-drawing mechanism 133, a turning mechanism 135, a cutter mechanism 139.Filming-drawing mechanism 133 with Turning mechanism 135 coordinates, and five bread of square box is wrapped into thin film, unnecessary film is cut by cutter mechanism 139 Remove, so as to form the square package bag of one end open, the length size of the square packaging bag is slightly larger than square box Length.

The filming-drawing mechanism 133 is close to the side of feeding mechanism 11, and a single thin film, the drawing are provided for turning mechanism 135 Film mechanism 133 includes a film feeder (not shown), four folder hot knife (not shown) of film device 1333 and 1 first.Film feeding fills Install and be placed in the lower section of folder film device 1333 (in all embodiments, upper and lower, left, right to etc. position determiner is only limitted to specified regard Relative position on figure, rather than absolute position), there is provided film.Folder film device 1333 can move up and down in perpendicular.The membrane Mechanism 133 is connected with the detection means on feeding mechanism 11, after the value for the length, width and height that receiving detection device detects, calculates this time Pack the film length needed, the size of the film length and square box is in a parameters relationship, square made of guarantee The size of packaging bag is adapted with square box.Four folder film devices 1333 clamp the film of the length, and film clamp is consolidated Determine into a perpendicular.The traffic direction for being transported to the square box of position to be packaged is vertical with the perpendicular.Pressing from both sides Film device 1333 cuts off the film of the length the first hot knife for after film clamp, being arranged on the bottom of filming-drawing mechanism 133.

The turning mechanism 135 includes four knuckle plates 1351, four profiled sheetings 1353.Four knuckle plates 1351 are first Mechanism, four profiled sheetings 1353 are the second mechanism.The knuckle plate 1351 is a stiff sheet, is parallel to each other between knuckle plate 1351 Set, face in filming-drawing mechanism 133 into vertical state film center, i.e. four place planes of knuckle plate 1351 perpendicular to Thin film planar.The size of the square box measured according to detection means, four knuckle plates 1351 it is adjustable mutual away from From to coordinate square box.The profiled sheeting 1353 is horizontally placed on the opposite side of filming-drawing mechanism 133, is in pair with knuckle plate 1351 It should be related to, equally can be according to the length, width and height of square box, side that four profiled sheetings 1353 can detect according to detection means The size of shape packing box adjusts mutual distance to coordinate square box.

One jiao of the knuckle plate 1351 is acute angle 1352, and specific angle is 45 °.Four knuckle plates 1351 are mutually symmetrical with sets for this Put, acute angle 1352 towards film, what one side of the acute angle 1352 was parallel to each other respectively close to and parallel to square box four Side, the summit of acute angle 1352 are corresponded in four summits of the square box close to film side, vertical folding gusset 1351 Distance is slightly larger than the height of square box, and the distance of left and right knuckle plate 1351 is the width of square box, four knuckle plates 1351 square spaces defined can just accommodate a square box.

The profiled sheeting 1353 is mutually symmetrical with and flat with certain thickness cuboid rigid plate, four profiled sheetings 1353 Row is set, and plane is perpendicular to thin film planar where it.The distance of upper and lower profiled sheeting 1353 is equal with the height of square box, and two The left and right distance for forming template 1353 is slightly larger than the width of square box, so as to form a side among four profiled sheetings 1353 The packaging passage of shape.The profiled sheeting 1353 is a smooth surface close to the side of packaging passage.Wherein the one of the profiled sheeting 1353 Angle is provided with a guide pad 1354, and the side that the guide pad 1354 is opposite in packaging passage is smooth arc surface, itself and profiled sheeting The side of 1353 close packaging passage is seamlessly connected, and the profiled sheeting 1353 of left and right two is combined with guide pad 1354 so that packing logical Road is rendered as " youngster " shape, and the bottom opening for being somebody's turn to do " youngster " shape enters the porch of the passage for square box.Guide pad 1354 effect is that square shaped packing box, which enters packaging passage, to be played guiding and prevent film quilt when entering square package passage Pierce through film in the sharp corner of profiled sheeting.

Before square box reaches enclosed mechanism 17, square box is transported to folder film device 1333 by feeding mechanism 11 The film center of vertical state is clamped into, now expands bag mechanism 15 and serves as push away case structure, Level Promoting square box is towards film Direction operation, while turning mechanism 135 and square box are run simultaneously.Held in square box together with turning mechanism 135 It is continuous to advance, touch to film, (state of film and square box is as shown in Figure 4), now the folder film dress of film upper and lower ends Put 1333 and hold film in the vertical direction and start respectively close towards square box, defined into profiled sheeting 1353 When packing passage, with the advance of square box, two folder film devices 1333 of film upper end synchronously drop to square package The height of box upper surface, two folder film devices 1333 of film lower end synchronously rise to the height of square box lower surface, will Film is covered in two surfaces up and down of square box.When square box together with knuckle plate 1351 completely into packaging passage Afterwards, now top two knuckle plates, 1351 above two profiled sheetings 1353 upper surface, two knuckle plates of lower section 1351 are located at the lower surface of two profiled sheetings 1353 in lower section, and square box enters packaging passage rear film and forms square package Bag, knuckle plate prop its corner, and film is folded into square package bag of the parallel sides with four corners.(film It is as shown in Figure 5 with the state of square box)

The cutter mechanism 139 is four second hot knives (non-label) with steady temperature, and it is different to be symmetricly set on film In the side of feeding mechanism and perpendicular to the film of vertical state, blade, and can towards four parallel sides of square box According to the distance that the length and width height adjustment of square box is mutual, four the second hot knives are respectively by four sides of square box Corner excision.The corner cut away is collected by garbage collection mechanism (not shown).Second hot knife is while excision Also thermal having been carried out to film, the film for being now wrapped in square box forms a square package bag with opening, (state of film and square box is as shown in Figure 6) and packaging line are on four sides of square box, the not side of influence Shape packing box it is attractive in appearance.

Referring to Fig. 7, expansion bag mechanism 15 herein is arranged on one or more of film packaging machine.The expansion bag mechanism 15 wraps Two groups of expansion bagging apparatus are included, two groups of expansion bagging apparatus are symmetrical and are arranged at square box away from film one side parallel to horizontal plane Portion, each expansion bagging apparatus include one and expand bag webs 151, two stators 153, a pusher 155 and a first rotating shaft 157.Two Organize the width that outer end vertex distance of the stator 153 of expansion bagging apparatus close to square box end is square box, the width Can be according to the width adjusting for the square box that detection means detects.

Fig. 8 and Fig. 9 are referred to, the expansion bag webs 151 and stator 153 are L-shaped, expand bag webs 151 and two stators 153 placements arranged in parallel, and be arranged between two stators 153, the long edge lengths for expanding bag webs 151 are less than or equal to stator 153 Long side length.The stator 153 is intended for the edge of square box parallel to square box.Therefore stator 153 exists When serving as push away case structure, square box will not be pierced through or damaged.It is free end 1513 that it, which expands the end of the long side of bag webs 151, The end of short side is fixing end 1512, and free end 1513 is close to square box.The fixing end 1512 of short side is provided with an axis hole 1511, the expansion bag webs 151 is installed between first rotating shaft 157 is fixed on and is arranged at two stators 153 by axis hole 1511, and it expands Bag webs 151 can surround the rotation that first rotating shaft 157 makees certain angle.End is provided with one in the outer part for the free end 1513 of its long side The angle that first hypotenuse 1515 and one second hypotenuse 1517, the first hypotenuse 1515 and the second hypotenuse 1517 are formed is less than or equal to 90 °.When Expand bag webs 151 to rotate to bag is extended out around first rotating shaft 157, the first hypotenuse 1515 is as rotation is to perpendicular to square box tool There is the one side of opening, the second hypotenuse 1517 is with rotation to the one side parallel to square box with opening.Set this first The purpose of the hypotenuse 1517 of hypotenuse 1515 and 1 second has two aspects, first, preventing during bag is expanded, if the first hypotenuse 1515 If angle is more than 90 ° between the second hypotenuse 1517, the second hypotenuse 1517 can touch square bag caused by square box Mounted box shifts, second, when expansion bag webs 151 outwards rotates, expands the first hypotenuse 1515 and the film linear contact lay of opening of bag webs 151, and Non- is that the angle that the first hypotenuse 1515 and the second hypotenuse 1517 are formed directly contacts film, therefore damages or pierce through film.

The pusher 155 is arranged at the tail end for expanding bag webs 151, and it includes a cylinder 1551, one first sliding block 1553, and one Second sliding block 1555, a spring (not shown), one second rotating shaft (not shown), first sliding block 1553, the second sliding block 1555 is in length Cube shape, spring are arranged between the first sliding block 1553 and the second sliding block 1555.The purpose for setting the spring is to buffer gas Cylinder 1551 is applied to the power expanded in bag webs 151, avoids expanding during bag, the film of opening is broken through by expansion bag webs 151.Cylinder 1551 The end of the first sliding block 1553 is arranged at, for promoting the first sliding block 1553.One end of second sliding block 1555 is provided with second turn Axle, it is connected in and expands bag webs 151, the second rotating shaft of the second sliding block 1555 can drives expansion bag webs 151 to be rotated around first rotating shaft 157.

After bag-making organization 13 makes a square package bag with opening, expand bag mechanism 15 and horizontal expansion is carried out to the opening Bag, idiographic flow are as follows：Its two groups of expansion bagging apparatus are arranged at square box away from film one according to the width of square box The middle part in face, the top of its stator 153 is against square box, and after expansion bagging apparatus receives instruction, cylinder 1551 makes first Sliding block 1553 runs forward a segment distance, and the spring between the first sliding block 1553 and the second sliding block 1555 is compressed, then Bounce-back pushes the second sliding block 1555 and run forward, and the second sliding block 1555 is driven by the second rotating shaft expands bag webs 151 around first rotating shaft 157 rotate, and expand the free end 1513 of bag webs 151 to bag is extended out, the film of the left and right sides of opening is by the 151 horizontal exhibition of expansion bag webs Open, the film of upper and lower both sides docks and is attached at the corresponding square box surface of opening.(the shape of film and square box State is as shown in Figure 10) now last face of square box also covered film.The stator 153 for expanding bag mechanism 15 fills Work as push away case structure, push square box to the enclosed mechanism 17 after horizontal expansion bag and carry out next step operation.

Enclosed mechanism 17 can correspond to expansion bag mechanism 15 and set one or more, and enclosed mechanism 17 includes one the 3rd hot knife (not shown), the 3rd hot knife to the opening for overlapping with film cut while seal.(film and square box State it is as shown in figure 11) garbage collection mechanism 14 reclaims to being sealed rear remaining waste material.Packaging line after sealing exists The middle part of the one side of square box, this is also an only packaging line on square box face on square box, Farthest avoiding packaging line blocks square box.

Figure 12 is referred to, reason angle chamfering mechanism 18 is respectively completed the side to being contained on the square package bag of square box Angle carries out managing angle and corner cut.

Figure 13 is referred to, discharging mechanism 19 (not shown) is a conveyer belt, and square box packages square package bag simultaneously After completing reason angle corner cut action, square box is imported into pyrocondensation stove by discharging mechanism 19.Square package bag in pyrocondensation stove Middle completion pyrocondensation, after contraction, square package bag is located at the middle part of square box bottom in the packaging line that enclosed mechanism 17 is formed, The packaging line of corner and four sides after earnestly is located on the crest line of square box one end and four sides, packaging line and side Shape packing box crest line overlaps, therefore overall appearance.

Figure 14 is referred to, a kind of packing method flow chart of the film packaging machine provided for second embodiment of the invention, (with The mechanical structure mentioned in lower flow refers to the view and numbering of the film packaging machine of first embodiment of the invention offer) its bag Include following steps：

Step S1：Pan feeding, square box import from feeding mechanism 11, into induction system, are moved with conveyer belt.Pan feeding The detection means automatic detection of the entrance of mechanism 11 goes out the height of square box, and the height value is sent into bag-making organization 13。

Step S2：Five bread of square box are wrapped thin film by bag, bag-making organization 13, form one end open Cuboid square package bag.

Step S3：Level expands bag, and expansion bag mechanism 15 is a flat sheet, and horizontal positioned, the opening of square shaped packaging bag is entered Row expands bag, is open after expanding bag, upper and lower two superimposed.

Step S4：Sealing, the hot knife of enclosed mechanism 17 to overlapping opening cut while seal.Now open Film attaches at mouthful is respectively kept with a corner with corresponding square box surface, opening both ends.

Step S5：Angle corner cut is managed, the square box after sealing enters reasonable angle chamfering mechanism 18, and reason angle chamfering mechanism 18 is right The corner of square package bag manage directly, then cuts off and pulls off.

Step S6：Discharging, the square box after managing angle corner cut imported into discharging mechanism from reason angle chamfering mechanism 18 19, square box is imported into pyrocondensation stove by discharging mechanism 19, and the square package bag of square box outer envelope is in pyrocondensation Pyrocondensation is completed in stove.

Wherein step S2 further comprises following steps：

Step S21：For film, film feeder (not shown) provides a roll of single thin film and carries out supplying film.

Step S22：Membrane, after the filming-drawing mechanism 133 receives the value of the length, width and height detected, calculate this bag film needs Length, four folder film devices 1333 clamp four angles of the film of the length respectively, and it is vertical flat that film clamp is fixed into one Face, square box are placed perpendicular to the center of film side.

Step S23：Film is cut, after sandwiched film mechanism is by film clamp, hot knife cuts off the film of the length.

Step S24：Knuckle, in the case where the knuckle plate 1351 of turning mechanism 135 coordinates with profiled sheeting 1353, film is folded into Square package bag of one or four parallel sides with four corners.

Step S25：Cutting edge angle, the hot knife among bag-making organization 13 is by four corners excision of square package bag and to thin Film carries out thermal, and the film for being now wrapped in square box forms a square package bag with opening.

Wherein step S3 further comprises as follows：

Step S31：By box, there is provided one expands bag mechanism, including two groups of expansion bagging apparatus, the expansion bagging apparatus include a stator, Expand bagging apparatus and middle part of the square box away from film one side, the top of its stator are arranged at according to the width of square box Against square box；And

Step S32：Expand bag, there is provided the square package bag of one end open, the expansion bagging apparatus further comprise an expansion bag webs, expand Bag webs docks film horizontal development at left and right sides of opening, the film of upper and lower both sides, is attached at the corresponding square bag of opening Mounted box surface.

The film packaging machine and its relatively existing bag of packing method that first embodiment of the invention and second embodiment provide Dress technology, its production efficiency are significantly lifted, and the stay in grade of its product.By setting bag-making organization 13 and expanding bag mechanism 15, single thin film is folded into square bag of the four side with corner by bag-making organization 13 by turning mechanism 135 therein Pack is wrapped on square box, and is cut off corner with its hot knife and sealed the side thermal of film, formation one Wiring is in four side and with the square package bag of an opening.Expand bag mechanism 15 and bag is expanded to opening, be then packaged, now Center position of the packaging line in square box.Square package bag after encapsulation is admitted to reason angle chamfering mechanism 18, manages angle corner cut The corner that square package bag nature is stretched out can manage directly, then along side at the sideline of square box by mechanism 18 Line is cut off, and is sutured, while the corner after cut-out is pulled off and unifies to collect, and such square package bag is warm on square box Corner is not present after contracting, its both ends and the packaging line of four sides overlap with the sideline of square box, only a packaging line The center position of square box is placed in, its packaging is overall neat and artistic, and avoids square package bag to greatest extent The problem of Upholstering design on the trade mark of square box, or influence square box, is blocked in corner or sideline.

The square box that third embodiment of the invention provides, it uses the film packaging machine described in first embodiment at it Thermal forms square package bag after the wrap film of outer surface, and packaging line is formed in the opening position of the thermal of square package bag, The square box is wrapped up by film completely, has and only a packaging line is located at the non-rib on square box surface, parcel The film size of square box is equal to the surface area of square box.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all originals in the present invention Any modification made within then, equivalent substitution and improvement etc. all should be included within protection scope of the present invention.

Claims (10)

1. A kind of 1. film packaging machine, for packing square box, it is characterised in that：Including turning mechanism, filming-drawing mechanism, cutting knife Mechanism, expand bag mechanism and enclosed mechanism；

   Filming-drawing mechanism includes folder film device, and folder film device can clamp a single thin film in vertical direction displacement；The turning mechanism Including four knuckle plates and four profiled sheetings, the knuckle plate coordinates profiled sheeting to fit in the single thin film and square box Two vertical opposite flanks of three faces, and the single thin film is folded into one end open and with four with co-clip film device The square package bag of corner is simultaneously wrapped in square box；The cutter mechanism is by the side in four parallel sides of square package bag Clipped corner, and removal of place film is sealed, heat-sealing envelope trace is located at packing box seamed edge, while film is opened formed with single The square package bag of mouth；The expansion bag mechanism inserts square package bag opening, by film horizontal development at left and right sides of opening, up and down The film docking of both sides, it is attached at a surface of the corresponding square box of opening；The enclosed mechanism docks upper and lower both sides Film carry out fervent, form a packaging line on square box surface corresponding to opening.
2. 2. film packaging machine as claimed in claim 1, it is characterised in that：Six ribs of the film packaging machine in square box Place is formed with six packaging lines.
3. 3. film packaging machine as claimed in claim 1, it is characterised in that：The direct of travel of the square box is perpendicular to film Place plane.
4. 4. film packaging machine as claimed in claim 1, it is characterised in that：Four profiled sheetings form a packaging passages, it is described into Template is smooth surface close to packaging passage one side, and one jiao of the profiled sheeting is provided with guide pad, and the guide pad is opposite in It is smooth arc surface to pack passage side.
5. 5. film packaging machine as claimed in claim 1, it is characterised in that：The expansion bag mechanism includes expanding bagging apparatus, the expansion Bagging apparatus includes first rotating shaft, expands bag webs and stator, and the stator is before packaging bag is made in film by square box Push film to, and stator top is against square box so that bag-making organization by film packaging in square box, the expansion Bag webs is rotatably assorted parallel to the stator and with first rotating shaft, and being wrapped in square box in film forms one end open After packaging bag, the expansion bag webs is moved the film horizontal development at left and right sides of square package bag opening opposite to each other, makes both sides up and down Film docking.
6. 6. film packaging machine as claimed in claim 5, it is characterised in that：The stator is two, and the expansion bag webs includes Free end and fixing end, the fixing end offer axis hole to be rotatably assorted with the first rotating shaft, and the free end end is set The first hypotenuse and the second hypotenuse are equipped with, first hypotenuse and the second hypotenuse are set in angle, and the angle is less than 90 °.
7. 7. film packaging machine as claimed in claim 6, it is characterised in that：The expansion bagging apparatus also includes pusher, and this is pushed away Device is sent to include cylinder, the first sliding block, the second sliding block, spring and the second rotating shaft；

   The cylinder is connected with first sliding block, and the spring is arranged between first sliding block and the second sliding block, described Second rotating shaft connects the second sliding block and expands bag webs, and the cylinder promotes first sliding block to slide so as to drive the second sliding block to slide Displacement with drive it is described expansion bag webs rotated around the first rotating shaft.
8. 8. film packaging machine as claimed in claim 1, it is characterised in that：The film packaging machine includes a detection means, the inspection Survey the size of device automatic detection square box, filming-drawing mechanism and expansion bag mechanism, turning mechanism, filming-drawing mechanism and expansion bag mechanism According to the distance of itself part of the size adjusting of square box.
9. A kind of 9. packing method of film packaging machine, it is characterised in that including：

   Step S1：For film pan feeding, there is provided the single thin film of a flat state and a square box, and it is transported to position to be packaged Put；Push away box, the stator for expanding bag mechanism serves as push away case structure and pushes square box to single thin film, and stator top against Square box, to support square box；

   Step S2：Bag, folder film device in vertical direction displacement and can clamp single thin film；Turning mechanism includes four knuckles Plate and four profiled sheetings, it is vertical with three faces of square box that the knuckle plate coordinates profiled sheeting to fit in the single thin film Two opposite flanks, while the single thin film is folded into one end open and square with four corners with co-clip film device Packaging bag is simultaneously wrapped in square box；

   Step S3：Expand bag, the opposite motion of expansion bag webs for expanding bag mechanism is open and flat by the film water at left and right sides of square package bag opening Open, dock the film of upper and lower both sides；

   Step S4：Sealing, the film excision of enclosed mechanism opening, and seal.
10. A kind of 10. square box, it is characterised in that：The square box is made with the packing method in claim 9.