CN107848644B

CN107848644B - The packing machine and its method single or groups of product being packaged in package

Info

Publication number: CN107848644B
Application number: CN201680044786.4A
Authority: CN
Inventors: S·卡索利; M·卡索利; P·卡索利
Original assignee: Cps LLC
Current assignee: Cps LLC
Priority date: 2015-07-10
Filing date: 2016-07-04
Publication date: 2019-11-22
Anticipated expiration: 2036-07-04
Also published as: ITUB20152063A1; US20190071199A1; ES2806987T3; BR112018000423B1; EP3319878A1; CN107848644A; BR112018000423A2; WO2017009737A1; HK1252989A1; EP3319878B1; RS60742B1

Abstract

The present invention describes a kind of for packaging the product in by from the machine in the tubular wrapping for the thermoplastic material that the continuous film that spool is unwound obtains, the machine is equipped with double transversal heat seal and intermediate cutting assembly (13), it is with horizontal translating movement, the unloading of the package of end thereafter is closed along with component (13), the front end of the tubular wrapping of next package is closed simultaneously, pressurizer and reversed pressurizer (63 also due to thereon are heated seal with cutting assembly (13), 163, 63', it 163') and from pipe is formed and longitudinal heat seal mandrel (1) extracts next package, and next package is separated using transverse cuts from the package of upstream by said modules (13).At the end of its active movement, transverse heat seal and cutting assembly (13) are opened, and it is having been filled with and prepare at rear end heat seal and the new package along with unloading upstream, along with it is previous move opposite direction and speed than it is previous move high horizontal movement back to circulation starting position.Transverse heat seal and cutting assembly (13) are assisted by conveyer (41), the conveyer supports and promotes the package and completion formed and isolated package, and equipped with the gap (40) with geometry-variable, which opens during the active horizontal movement of said modules (13) and closes during the reversed horizontal movement of said modules (13).

Description

The packing machine and its method single or groups of product being packaged in package

Technical field

The present invention relates to will be used for product that is hygienic or other purposes single or groups of and/or stacking, especially paper Or nonwoven products, the machine being packaged in from the package of thermoplastic material that the film that spool is unwound obtains, and be related to this The operating method of machine.

It should be noted that the term " upstream " being used below and " downstream " are related to the direction of feed of package.

Background technique

The prior art closest as the invention submitted in international classification B65B63/02, refers to this patent Shen The patent US4679379 that identical inventor please submits in nineteen eighty-three.This document describe a kind of including horizontal hollow mandrel Packaging machine, type are crew neck band, are fed with the company for the thermoplastic material being unfolded from spool in one end of the packaging machine Continuous sheet material or film, the other end of mandrel are formed in pipe, and longitudinal edge is overlapped and heats seal, and are passed from above-mentioned mandrel When sending, by lateral static component transverse seal, the transverse direction static component executes previous gusset identical according to order It is operated on the opposite side of tubular wrapping, and two transverse heat seals of progress and centre are cut on the gusset portion of above-mentioned pipe Mouthful, to be enclosed in the tail end for the packaging filled and formed in previous cycle, to close the front end for forming the following packaging, and will complete Packaging separated with the packaging formed.The upstream of the pipe forming spindle of packing film provides the loading work of product to be packaged Position, such as toilet roll, for kitchen or the absorption paper of other purposes, the packaging of napkin or towel also includes non-woven material, Wherein these products are grouped together and/or are stacked to be formed preferably horizontally by the bundle of light pressure, and There is after the step cross section of shape and width, the shape and width of the cross section be slightly less than it is external it is described in it is hollow Wherein the tubular wrapping is slided in front end for the interior cross section of axis, angle brace and closing.In the correct stage, pusher is actuated to The bundle is popped up from the load station, is slided along the hollow mandrel, and be pushed against tubulose in its exit In the closed front end of packaging, so that the packaging is advanced, while it leaves from hollow mandrel, part engagement is tied, by institute Previous slight transverse compression suffered in load station is stated, and due to its elastic memory, the bundle part slightly expands simultaneously It is tightly engaged the part mandrel popped up from pipe fitting and following transmission device is supported.Push rod terminates it in the downstream of mandrel Then active movement, and in an open position in the slightly downstream of transverse heat seal cutting assembly above-mentioned push rod counter motion and is returned Circulation starting position is returned to, to discharge load station and allow to repeat a new operation circulation.Sequentially, it is located at packed bundle Tail end and the device that is laterally inserted into of tubular package part that is formed between the outlet of mandrel of pipe be activated, then activation is laterally Heat seal and cutting assembly close the rear end for the packaging having been filled with, and close the front end of the packaging to be filled formed, so The component is slightly opened to discharge heat seal afterwards, and allows to act on the identical component of optional hair dryer cooling device on it It successively opens to allow to repeat new operation circulation, and the packaging produced is by supporting its conveyer to remove.It is new when repeating one Operation circulation when, the transverse heat seal cutting assembly must fully open, to allow tubular wrapping to be inserted by propeller Enter product therein to promote, the propeller carries out its active operation movement.The heat seal of the front end of tubular wrapping in order to prevent It is surrendered under the thrust of product in pouch step, and therefore prevents packaging from tearing and rupturing, produced as well as when product Progress of the air that product generate when compressing in the tubular wrapping that longitudinal direction and front end are closed in the prior art can be by as follows Mode works:

A) in order to ensure thermosealed effective cooling of tubular wrapping front end, extend an operation circulation and next operation Free time between circulation；

B) by product to be inserted at a slow speed in the tubular wrapping formed and be closed in front end, to allow to be detained before packing The air in portion between product and packaging by passing through.As the scheme of front, this scheme is inevitably limited Therefore the service speed of prior art packing machine simultaneously limits productivity.

Summary of the invention

The present invention is directed to overcome these and other limitation of the prior art, there is the reliable of high hourly efficiency to produce Packing machine, have according to as described herein for single or groups of product to be packaged in the package of thermoplastic material The thought of the solution of packing machine and its method, transverse heat seal and cutting assembly are set in the upstream and downstream of apparatus for heat sealing Be equipped with pressurizer, with before carrying out transverse heat seal step, in and later clamp film securely.It is mutually tied with the pressurizer It closes, above-mentioned transverse heat seal cutting assembly can be formed on direction in packaging and be moved, and be first shut off and formed mandrel far from the pipe It is mobile, it then opens and in opposite direction back to circulation starting position for repeating subsequent operation circulation.Now, it manages Shape package can use pressurizer and form mandrel advance along the pipe that new double transversal heat seal and cutting assembly pull, below The result is that possible:

1, since these heat seals carry out in the molding of each subsequent tubular package and filling step, while laterally Heat seal and cutting assembly are closed and move away from mandrel, so generating strong in the time needed for ensuring its correct implementation With effective heat seal；

2, when using pressurizer by sealed new package front end transverse heat seal and cutting assembly pull New tubular package enclosed previous circulation package rear end and when being unloaded along with the latter, due to this The pressurizer in the downstream of transverse heat seal and cutting assembly is mechanically isolated the laterally heat of the front end carried out on new packing part Sealing, so the push rod can be rapidly filled with above-mentioned new packing part, so that the transverse heat seal will not be due to inserting product Enter into new tubular package and the thrust of the air due to being captured in above-mentioned new packaging and being located at before product and Pressurized, equally in this step, product can be inserted into new package by push rod with relative velocity, which permits Perhaps it is compressed and against the air of the front end of new package in the upstream of the said goods (P) slowly and progressively to heel row It puts；

3, during it forms the movement of mandrel far from the pipe, implementing needed for its main heat-seal and cutting operation Institute's having time all provides transverse heat seal and cutting assembly, and in the decline of above-mentioned movement, having time is slightly opened Heat sealer, and be allowed for nature or force the movement of these cooling thermosealed devices, while always being protected by pressurizer The packaging of the package of upstream and downstream is held, to prevent the even the smallest stress in the transverse heat seal；

4, the return movement to circulation starting position of transverse heat seal and cutting assembly after it has already turned on with It is populated and prepare to close and after the return step in the return movement overlapping of the identical speed of push rod of packaging product The package of rear end has been located at the downstream of transverse heat seal and cutting assembly.

For new solution according to the present invention, more more reliable than the prior art and faster packet how can be produced Installation is obvious.

Detailed description of the invention

Further characteristic of the invention and thus obtained advantage will become from the description below to its preferred embodiment It must become apparent, the preferred embodiment is purely illustrated by the non-limiting example in eight attached drawings, in which:

Fig. 1 and 2 is the side view and plan view from above of packing machine according to the present invention respectively；

Fig. 3 and 4 be respectively the mobile transverse heat seal of packaging machine and a side panel of cutting assembly side view and Front view, some of components are by section view；

Fig. 5,5a and 5b are to can be used for manufacturing the transverse heat seal and cutting in the scheme of the package with combination grip The cross-sectional view of component, said modules are shown as in an open position, closed position and semi-closed position, transverse heat seal It is opened with cutter device, and external pressurized device is still closed on the package of downstream and upstream；

The perspective view for the handled package that Fig. 6 is available with the transverse heat seal of Fig. 5 and cutting assembly obtains；

Fig. 7 shows the transverse heat seal and cutting assembly of modification according to the embodiment with open position and cross-sectional view, It is used to produce the symmetrical thermosealed package with front end and tail end, without the handle of Fig. 6；

Fig. 8 shows the perspective for not having handled package that can be manufactured with the transverse heat seal of Fig. 7 and cutting assembly Figure；

Fig. 9 shows the existing lateral of the tubular package part periodically engaged by double transversal heat seal and cutting assembly The schematic plan view of the device of gusset；

Figure 10 shows the amplification in the variable gap region of conveyer and the side view with partial cross, with transverse direction Heat seal and cutting assembly are associated, to support package in the subsequent step of operation circulation, wherein identical package follows Ring by the gap, the opposite bar of transverse heat seal and cutting assembly operates in the gap；

Figure 11 to 16 shows the operation circulation in these components of the main component of packing machine according to the present invention Schematic side elevation in some subsequent and important steps.

Specific embodiment

How can be seen that packing machine from Fig. 1 and Fig. 2 includes the axially hollow mandrel 1 as intermediate member, in the axial direction Hollow shaft is the shape of the crew neck band with rectangular or square cross section, can be changed in the form for the package to be produced When be adjusted, the longitudinal axis of the axially hollow mandrel is positioned horizontally, and the axially hollow mandrel is when observing figure on a left side Side is equipped with open end 101, and the film 102 of spool 2 from below enters from the open end 101, and by being usually water The guide device of the mandrel of hand necktie shape and be made for towards it to export 201 using tubular form, along above-mentioned mandrel 1 longitudinal It is mobile, wherein longitudinal thin slice of above-mentioned film is overlapped and by the apparatus for heat sealing 3 of known type that they are continuously mutual Heat seal, so that above-mentioned film is left in the form of bag from the outlet of mandrel 1 201, and the size of cross section is slightly more than above-mentioned The internal cross section of mandrel 1, the mandrel is in exterior guiding and supports the bag, and its laterally therein surface is used to guide on the contrary Product to be packaged.The upstream of mandrel 1 is provided with known load station 4, wherein it is also known that device formed from least appointing The product that is groups of and/or stacking of what feed line is bundled, which is not shown, and reason is it for understanding this It is not necessary for invention.Load station 4 can also be adjusted in the change of format for the package to be produced, and its Feature can advantageously be to make paper product bundle by transverse compression appropriate, so that when above-mentioned bundle is vertical from load station 4 To when pop-up, it can readily enter hollow mandrel 1, and can be hollow in the case where still sufficiently transverse compression Axis sliding.

In Fig. 1, chain-dotted line 5 indicates ideal horizontal plane, and the bottom of bundle and packing machine package produced are at this It is moved on horizontal plane.The upstream of load station 4 is provided with by the push rod 6 of the front end support of horizon bar 106, and longitudinal axis is flat Row extends to left side when observing Fig. 1 and 2 in the public longitudinal axis of preceding station 1 and 4.In the end close to push rod 6 Place, bar 106 are longitudinally guided by tourelle 7, and the tourelle for the substrate 8 of door frame form by supporting, on substrate also Gear motor component 9 is installed, is press-fitted on toothed belt 10 on the vertical output shaft of the gear motor component, the toothed belt Cooperate with the toothed belt 11 that is guided in a pair of of rotation idler pulley 12, the pair of rotation idler pulley is parallel to belt wheel 10, and also by Door frame 8 supports, should so that above-mentioned toothed belt 11 is carried in the path for being parallel to bar 106 and can be fixed to opposite end Bar, so that the equivalent of rack gear that is longitudinally fixed with bar 106 and engaging with pinion gear 10 is formed, thus by making moving cell It is rotated along one or the other direction, push rod 6 can be operated to form mandrel 1 along pipe and in mandrel downstream and transverse heat seal The useful movement (seeing below) for being transmitted in the bundle formed in load station 4 is carried out with cutting assembly downstream, for benefit Above-mentioned bundle is inserted into the tubulose formed by above-mentioned mandrel 1 and longitudinal apparatus for heat sealing 3 by the movement represented by A in Fig. 1 and 2 In package.Component 9 can not only rotate in two directions equipped with electric motor, the electric motor, but also have electricity Sub- speed control, to allow to have and correctly accelerate and deceleration ramp (seeing below) with different motor performance push rods 6.

In the downstream of mandrel 1,201 short distance is being exported apart from it, innovative component 13 is being equipped with, on package Double transversal heat seal and intermediate cutting are executed, and according to the present invention, after being closed on perpendicular, the component is first with remote Horizontal movement operation from above-mentioned mandrel 1, with package, then to be put down vertically in transverse heat seal and cutting step After opening on face, edge and contrary direction horizontal translation before are indicated by the solid line in Fig. 1 and Fig. 2 to return to Initial initial position, to repeat new operation circulation, move back and forth B, the length or range of the reciprocating motion will with to give birth to The length of the package of production is related, therefore will be variable (seeing below).

In order to execute the horizontal translating movement B, also as shown in the details of Fig. 3 and Fig. 4, component 13 is mounted on balladeur train 14 On, balladeur train is slided on pairs of straight line and horizontal guide 115 by laterally circulation ball slider 15, and the guiding piece is longitudinally It is fixed on the inner face of the side panel of a part of the substrate 116 of packing machine, which is supporting station 1,4 and 6 above-mentioned The downstream of one component 16 (Fig. 2) extends.It is parallel to pairs of guiding piece 115, it is between these guiding pieces 115 and in parallel Ground, the toothed belt 17 that the inner panel support closure of substrate 106 is circularized and guided on corresponding end belt wheel 18, wherein one End belt wheel is connected with each other by lateral shaft 19, the fortune with electric motor is then connected to by forward motion transmission device 20 Dynamic component 21, the electric motor rotate in both directions, and preferably with the type of velocity of electrons and phase controlling.Pass through Two side panels that moving parts 20 can carry out the balladeur train 14 of straight reciprocating motion in above range B pass through the (figure of fixture 22 3) it is fixed to the top branch of two toothed belts 17.

Component 13 include two element 113' parallel to each other and opposite and 113 ", it is vertical flat that they are located at common ideal On face, the ideal perpendicular is transverse to the longitudinal direction of the ideal plane that package advances 5, and the lower part 113 " of package is every A circulation is positioned in 5 lower section of plane when starting, while upper element 113' is increased and is separated by a certain distance with plane 5, from And the package for allowing periodically to leave from mandrel 1 passes through in lower section without generating interference.In active operation step, element 113', 113 " moved towards each other and on common ideal perpendicular to middle movement, so as to substantially meet by The half height for the package to be closed.In order to make the package of production of machinery different height, the element can be adjusted simultaneously 113' and 113 " support and guide device height and position, without adjust it is static when correlation distance.For this purpose, such as the institute of Fig. 3 and 4 Show, the element 113' and 113 " support device be mounted on the corresponding vertical sliding part on the inside of the side panel of balladeur train 14 On 23, side panel supports these sliding parts using guide device 24.Each sliding part 23 is equipped with intermediate attachments 123 outstanding, It has the driving screw 125 cooperated with vertical screw rod 25, which is then connected to by being inserted into safety coupling member 26 Three road cone shape gear-boxes 27, the vertical path of the three road cones shape gear-box act on screw rod 25, while a horizontal route will The screw rod 25 of sliding part is connected with the screw rod of the sliding part of opposite side, this will act as two-way bevel gearing, and gear The third horizontal route of case 27 is connected to the moving parts 28 with electric motor, which rotates in both directions, and And preferably with the type of velocity of electrons and phase controlling, to allow the height and position of transverse heat seal and cutting assembly 13 Automatically or semi-automatically adjust.

Vertical guiding bar 31 is fixed to the inside of above-mentioned vertical sliding part 23, supporting element difference using supporting element 29 and 30 Sliding part is supported by lower end and intermediate region, vertical guiding bar has circular cross-section, in the feelings of insertion circulating ball bearing Under condition, sleeve 32 and 33 slides in the vertical guiding bar, the lower part of sleeve 32 slided between the supporting element 29,30 and Support lower, transverse heat seal and cutting element 113 " end, and upper sleeve 33 is above the supporting element 30 of corresponding bar 31 Slide and support the end of upper lateral heat seal and cutting element 113'.In figs. 3 and 4 it can also be seen that each bar 31 sleeve 32 and 33 is fixed to the toothed belt 34 guided on belt wheel 35 and toothed belt 36 by corresponding fixture 132,133 Opposed branch, belt wheel 35 adjustably supports by the upper end of each bar 31, and toothed belt 36 is by each vertical sliding part 23 Lower end support, and above-mentioned lower part belt wheel 26 is connected to each other by synchronizer axis 37, which is transported by means of forward direction Dynamic transmission device 38 is connected to the moving parts 39 with electric motor, which rotates in both directions, and preferably For the type with velocity of electrons and phase controlling.The opposed member 113' and 113 of transverse heat seal and cutting assembly 13 " is received The movement of the opening and closing step with necessary acceleration and deceleration ramp from the moving parts, as follows.

It can be seen that the element 113' and 113 of transverse heat seal cutting assembly 13 from Fig. 1 and Fig. 2 and Figure 10 to Figure 12 " the above-mentioned ideal perpendicular moved over is provided with transverse opening or the gap 40 of the top branch of conveyer 41, above-mentioned Top branch moves upwards in the side of arrow 42, and during package moves from mandrel, during leaving mandrel 1 To support package on levels operation panel 5, while the transverse heat seal and intermediate cutting of rear end and front end are above-mentioned Dynamically (seeing below) is carried out on package.As the element 113' of component 13,113 " in an open position and must when static When must execute upstream (see below) of the return movement to be arranged in the new packing part unloaded from mandrel 1, it is necessary to can substantially close The lateral clearance 40 is closed, it will be passed through with the packaging for allowing this new.For this purpose, the top branch of conveyer 41 is being located at mandrel It is guided on the roller 43 in 1 exit, which rotates twelve Earthly Branches by the side panel of the substrate of packing machine 116 together with end rollers 143 Support.On the contrary, the lower leg of conveyer 41 on dummy roll 44, at least one dancer 44' and is being press-fitted into fortune It is guided in toothed belt 45 on the output shaft at a slow speed of dynamic component 46.With 43 short distance of upper roll, conveyer 41 it is upper Part Zhi Yu roller 43 is parallel and is located on the roller 47 of above-mentioned height and is guided, then also parallel to each other, idle running and with roller 47 Be guided in parallel three lower rollers 48,49 and 50, and so that the above-mentioned top branch of conveyer 41 formed it is described Gap 40, wherein the lower element 113 of transverse heat seal and cutting assembly 13 " can be positioned in the resting position that it is reduced In the gap, and said elements 113 " can be elevated across the gap to cooperate with upper element 113' according to order. Roller 47 to 50 is rotated by balladeur train 14 to be supported and moves with balladeur train.Roller 50 is located at the height lower than roller 47, so that fixed respectively Position is in the downstream of above-mentioned roller 50 and upstream and the latter is in mutually level two dummy rolls 51 and 52 with roller 47 and can place Above above-mentioned roller 50.By roller 50,51 and 52, conveyer belt 41 is in zigzag path.Roller 51 and 52 is rotationally mounted to small It assists on balladeur train 53, which is mounted on main carriage 14 and can execute controlled water on main carriage according to order Flat movement, the horizontal movement can make above-mentioned roller 51 and 52 move to the extended position of Figure 12 from the movement return position of Figure 11, In movement return position, gap 40 is substantially closed and package can easily pass through on roller 47 and 52, is extending In position, gap 49 open with allow transverse heat seal and cutting assembly 13 lower element 113 " it is vertical on freedom of motion Degree.

It can be seen that roller 51,52 from the details of Figure 10 to be transversely mounted on the opposite end of the auxiliary balladeur train 53, lateral It is upper that equipped with the level slided on sliding part 54 and longitudinal guide 153, sliding part is fixed on the top of cross member 55, The cross member is then fixed on the side panel of main carriage 14 with its end.Cross member 55 rotatably and in cantilever fashion props up A pair of of screw rod 56 parallel to each other is supportted, the pair of screw rod is parallel with guiding piece 54 and driving screw 156, and the driving screw and auxiliary are slided The attachment 253 of frame 53 is integral, and the attachment and these screw rods 56 cooperate.Two screw rods 56 (can only see therein one in Figure 10 It is a) it is operated by moving parts 58 by means of forward motion transmission device 57, which is installed to lateral structure Part 55 is simultaneously operated by electric motor, which rotates in both directions and optionally also have electronic phase angle control.

In Figure 10, the auxiliary balladeur train 53 with roller 51 and 52 is shown in solid as the extension bit in closed-gap 40 It sets, and it is shown in dotted line in the movement return position for opening above-mentioned gap 40.The figure clearly demonstrates roller 51 and 52 such as What executes the movement D of same range, and makes when roller 52 is moved back to left side (when observing Figure 10) and causes to transmit When the dual shortening D of the upper part of device 41, lower rollers 51 are also moved to the left and cause the low portion of above-mentioned conveyer 41 Dual lengthening D so that the movement of auxiliary balladeur train 53 will not change the longitudinal tension force of above-mentioned conveyer 41, and will not change its Movement.

Phase is equipped at the side of conveyer 41 and transverse heat seal and cutting assembly 13 from can be seen that in Fig. 1,2 and 9 Pair folding part 59,59', acted on before the operation of said modules 13 left from mandrel 1 not by product to be packaged Engage (see below) and by the side of the part of the tubular package engaged by said modules 13, in guarantee fund should Recessed lateral gusset is generated on part, this is for preventing heat-seal areas laterally projecting from package and ensuring that the region is closely wrapped It is useful for the end of the packaging product of dress.Folding part 59,59' can be adjustably mounted at corresponding sliding part 60, on 60', the sliding part on the fixed frame 116 for being limited to packing machine guiding piece 61, slide on 61', above-mentioned sliding Part 60,60' are operated by corresponding fluid pressure pistons cylinder component 62,62' or by other suitable linear reciprocal movement actuators.

Referring to Fig. 5,5a and 5b, will now be described the element 113' to form double transversal heat seal and intermediate cutting assembly 13 and 113 " device composition.In Fig. 5, element 113' and 113 " be illustrated in the step of moving towards each other, and In the case where there is bigger distance between said elements, it is equivalent to the said elements 113' of component, 113 " resting position.Now It is able to produce package C1 as shown in FIG. 6 referring to Fig. 5 transverse heat seal described and cutting assembly, which passes through by scheming The heat seal SL that apparatus for heat sealing 3 shown in 1 and 2 is formed longitudinally is closed, and is equipped with recessed and by Fig. 9 folding in end Portion 59,59' gusset part F, closed at front end by transverse heat seal ST1, sealed at rear end by transverse heat seal ST2 It closes, and equipped with the flat and gusset portion M of above-mentioned package, is also longitudinally closed by heat seal SL, heat seal SL is certainly By on edge B2 by that from using the thermal cutting between subsequent packages will close and separating material fusion obtained, and Equipped with C-shaped central incision G, which can be used for being used for the above-mentioned part M of package to carry above-mentioned package The handle of C1.At lateral front end seal ST1, package C1 has the small protrusion attachment of same package part, parallel In ST1 leading edge B1 by seal and separating the fusion of material obtained using the thermal cutting between subsequent packet piece installing It closes.

Component 13 allows on the tubular package part that it is laterally suppressed while implementing for having been filled with simultaneously The parallel heat seal ST2 of closed package, the parallel heat of the subsequent packet piece installing for product to be continued to fill up at rear end ST1 is sealed, generates the intermediate cutting of edge B2, B1 and being separated from each other for package, and implement punching press to be formed as handle The opening G of hand.

From figure 5 it can be seen that the upper element 113' of component 13 is at least in upstream, but preferably all match in upstream and downstream Pressurizer 63,63' are had, the lower edge of pressurizer has circular contour, both with respect to the lower operation surface of said elements 113' Extend downwardly, and pressurizer can resist counteracting spring 64,64' effect and towards the operation apparent motion return.In member On the lower operation surface of part 113', the position being arranged coplanar with each otherly is vertically and horizontally being returned to from pressurizer 63,63' In, it is provided with the apparatus for heat sealing 65 and 66 of the heat seal ST1 and ST2 for implementing Fig. 6 and for dividing package each other Device for thermally cutting 67 from fused edge B1 and B2 with the above-mentioned package for being used to form Fig. 6.In the lower operation of element 113' Pressurizer 68, the 68' that small spring operates there are two being arranged in the middle section on surface, the edge of its underpart and suitably rounding It protrudes from the ideal plane comprising apparatus for heat sealing 65,68, and is moved from these intermediary press devices 68,68' slightly downward In the position of return, it is provided with the punching unit 69 for forming notch G on the handle M of the package C1 of Fig. 6.Entire component 113' is supported by the support member 70 being located above, which is connected to Fig. 3 by insertion spring and compensation device 71 With 4 shown in sleeve 33, the spring and compensation device are usually in the transverse heat seal and cutter device discussed.

The lower element 113 of component 13 as shown in Figure 3 is " including arrange on common desirable level face and pressurizer 63,63' opposite reversing device 163,163', the reversed apparatus for heat sealing 165,166 opposite with apparatus for heat sealing 65,66 are used In the reversing device 167 of cutter device 67, for intermediary press device 68, reversing device 168, the 168' of 68', and it to be used for top The formed punch 169 of punching unit 69.Pressurizer 63,63' and corresponding reversing device 163,163, which are manufactured or be machined into, to be had With the great friction coefficient for forming package and being contacted from the film that pipe formation mandrel 1 is left.

As shown in figure 5, make transverse heat seal and cutting assembly 13 element 113' and 113 " relatively move in parallel with each other, From to middle movement on common ideal perpendicular, 63,163 and 63' of external pressurized device works first as shown in Figure 5 b, In The tubular package (not shown) for clamping insertion in transverse direction securely, then continues to move, said elements towards each other 113', 113 " reach state as shown in Figure 5 a, can be used for using in intermediary press device 68,168, correct stage of 68', 168' Effect, and the heat seal ST1, ST2, intermediate cutting B1-B2 are generated on package C1, this act through punching unit and The element of formed punch 69,169 firmly holds the part of the package equipped with notch G.It is carrying out the transverse heat seal and is cutting After cutting operation, as shown in Figure 5 b, the state partially opened " is temporarily got into, while heat is close in the element 113' of component 13,113 Envelope machine 65,66 and cutter device 67 are increased by corresponding lower part reversing device 165,166,167, to allow rapid and natural or pressure Cooling implemented heat seal and transverse cuts, while package keeps clamping portion's pressurizer and reversed pressurizer 63,163 outside Between 63', 163', it is further pulled on by component 13, as follows.

If machine will produce package C2 as shown in Figure 8, which does not have handle, and is only equipped with by package Thermal cutting operation generate away from its short distance have fused edge B1 and B2 lateral front-end and back-end heat seal ST1 And ST2, as shown in fig. 7, transverse heat seal and cutting assembly 13 will be simplified, upper element 113' is equipped only with external add Depressor 63,63', heat sealer 65,66 and device for thermally cutting 67, the and " aforesaid operations for being located above carrying of lower element 113 The reversing device 163 of device, 163', 165,166,167.

In Fig. 1, number 72 indicates the processor that can be programmed by unit 73, and above-mentioned moving parts is all electronic Motor is all connected to the processor, to allow the automatic and safety operation of packaging machine, as described in referring now to Figure 11 to 16.

Figure 11 shows transverse heat seal and cutting assembly 13, and it is close to implement heat to the rear end of finished product packaging member C1 in advance Envelope implements heat seal to the front end of new packing part C1', and implements intermediate lateral cutting with by package C1 and new package C1' separation, package C1 is removed by the top branch of the conveyer 41 moved along direction 42 to be unloaded, due to when observation figure The subsequent packet piece installing left from mandrel 1 is also kept by pulling that said modules 13 apply in moving right previous when 11 C1' longitudinally couches, this is because above-mentioned new package C1' is filled in the correct stage by push rod 6, which exists The correct stage moves return shown in dotted line.The element 113' of component 13,113 " be separated from each other or open, middle and lower part Element 113 " is in gap 40 and upper element 113' is in raised position, so as not to interfere new package C1'.Gap 40 It is closure in this stage, interference when preventing below through above-mentioned new packing part C1', and it is arranged in the packaging The upstream of part C1',.

In the subsequent step shown in Figure 12, auxiliary balladeur train 53 moves right and opening clearance 40 is to discharge transverse heat seal Element 113', 113 " the ideal perpendiculars moved on it with cutting assembly 13.Static folding part 59, the edge 59' in Fig. 9 With root on the part of tubular wrapping 102' of the lateral action between the product P in the outlet and insertion new packing part C1' of mandrel 1 After making this part packaging that there is lateral recessed gusset according to the prior art, under the fully closed condition shown in Fig. 5 a or scheming Under partially closed position shown in 5 or Fig. 5 b, the element 113' of component 13 and 113 " is command by execution from centering closing motion, is somebody's turn to do Closing motion makes these elements immediately in the downstream for the product P being encapsulated in C1' and in the height of the above-mentioned package It is closed at half.Element 113', 113 " the correct stage being completely or partially closed, side-foldable portion 59,59' movement return to Resting position, and in order, the main carriage 14 of bearing assembly 13 moves to left side.If the element 113' of component 13,113 " it is not fully closed, as shown in Fig. 5 or Fig. 5 b, then the initial slow movement of the separate mandrel 1 of said modules 13 and impact tubular Resistance caused by pipe at the film 102 of mandrel 1 can make package C1' mobile close to component 13, to allow in a longitudinal direction Also sufficiently tight packaging is formed.In turn, as shown in Figure 5 a, the element 113' of component 13,113 " closures, to press from both sides securely It holds the rear end of package C1' and implements the transverse heat seal ST2 of Fig. 6 on it, using thermal cutting from the subsequent packet for leaving mandrel 1 " separation (formation and their separation of closed edge B2 and B1), component 13 starts to pull out and execute cold cut cuts G to piece installing C1 So that above-mentioned package C1' is equipped with carrying handle M.

When component 13 moves right, as shown in figure 14, the package C1 that product P insertion to be packaged is following of push rod 6 " in, the transverse compression before the said goods are subjected in Fig. 1 and load station shown in Fig. 24 due to it in the package And lateral expansion, and the said goods packing material C1 " in insertion speed can be trapped in the packaging and be located at The air of the packaged upstream product P slowly escapes in downstream, without damage above-mentioned package C1 ", the package is still by group The pressurizer 63,163 of 13 upstream of part is firmly held, and the latter enters state shown in Fig. 5 b in the correct stage, to allow It is quickly cooled down the heat seal implemented by said modules 13.

From Figure 14, it is apparent that when component 13 dynamically carries out the operation of its double transversal heat seal and cutting, It is designated, while the new packing part for being already filled with product P to be packaged is formed (see the beginning of Figure 11 in the downstream of the component State).

In turn, as shown in figure 15, when balladeur train 14 reaches or will reach terminal that it moves right, the member of component 13 Part 113', 113 " are opened, lower element 113 " returns to opening clearance 40, and upper element 113' is arranged in than package C1 " upper part the higher height of height at.

As shown in figure 16, and then previous step, auxiliary balladeur train 53 are moved to the left with closed-gap 40, then main carriage The left side is moved to return to circulation starting position shown in FIG. 1, and is kept with by the active movement component 42 of conveyer 41 Lie low new package C1 " bottom do not interfere at all.Push rod 6 is or has been moved back in the correct stage, with weight Multiple new operation circulation.The return movement that the circulation in an open position of component 13 starts can be carried out very rapidly, thus Further improve the productivity of packing machine.

It should be understood that this specification is related to the preferred embodiment of the present invention, without departing substantially from as described below, shown and institute In the case where the guideline of claimed invention, many variants and modifications can be carried out to it.

In the claims, the reference marker in bracket is purely indicative, is not intended to limit the guarantor of these claims Protect range.

Claims

1. a kind of for single or groups of product to be packaged in the packing machine in the package of thermoplastic material comprising hollow Horizontal mandrel (1), the continuous film (102) of the thermoplastic material unwound from spool (2) is fed into the loading end of the mandrel (101), the film advances towards the unloading end (201) of the mandrel, and the weight of its longitudinal edge is utilized by apparatus for heat sealing (3) Folded and mutual heat seal and be formed as pipe, and left in the form of tubular wrapping (102') from above-mentioned mandrel (1), the tubulose packet Dress is laterally closed and being located in the transverse heat seal in downstream of above-mentioned mandrel (1) and intermediate cutting assembly (13), logical Two transverse heat seals (ST1, ST2) of implementation and centre on the part of the tubular wrapping of folding part (59,59') gusset is crossed to cut (B1, B2) is cut, is filled and shapes in previous circulation, closes the front end of next package (C1 "), and will complete Package (C1') separated with the package (C1 ") formed, the packing machine be included in the upstream of the mandrel (1) and with The longitudinally-aligned to be packaged, grouping of the mandrel and the load station (4) of product (P) compressed in transverse direction, the loading work The upstream of position (4) includes longitudinally-aligned push rod (6), which will come from the one or more of load station (4) according to order Product (P) is transferred in the tubular package by the mandrel (1) production, and tubular package passes through the whole length of mandrel and surpasses Cross the mandrel, it is characterised in that form the transverse heat seal and centre for implementing double transversal heat seal and intermediate cutting and cut Cut the parallel and opposite element (113', 113 ") of component (13) upstream equipped with corresponding pressurizer (63,63') and reversely Pressurizer (163,163'), to clamp the transverse heat seal and intermediate cutting assembly (13) securely in a lateral direction according to life The part of the package (102') for the gusset closed on it is enabled, the transverse heat seal and intermediate cutting assembly (13) are pacified Mounted in having on the main carriage (14) moved horizontally, which is operated by telecontrol equipment, so as in the correct stage Pipe forming mandrel (1) is moved from, to follow the package of completion in the heat-seal process of rear end and take from mandrel (1) Product (P) is inserted into the new part in the correct stage by the new part of tubular wrapping (102') out, the push rod (6) In, to form the subsequent packet piece installing (C1 "), so that the main carriage (14) is moved towards mandrel (1) and is returned quickly to just The device of beginning position be arranged in have been filled with and at rear end will closed new packing part (C1 ") downstream, be equipped with it is motor-driven Change conveyer (41), with the package formed in the mandrel (1) downstream support, and the top branch of the conveyer (41) exists It is guided in the parallel rollers (47,48,49,50) pivotally supported by the main carriage (14), and is propped up by auxiliary balladeur train (53) It is guided on the other roller (51,52) of support with zig-zag path, the auxiliary balladeur train is according to order on above-mentioned main carriage (14) Level sliding, to form gap (40) at the transverse heat seal and intermediate cutting assembly (13), the transverse heat seal It is usually contained in the gap with the lower element (113 ") of intermediate cutting assembly (13), and the gap (40) passes through institute It states the movement assisted balladeur train (53) in one direction and is opened, to allow when being engaged by the lower element (113 ") The degree of freedom of motion of the lower element (113 ") and above-mentioned gap (40), the gap is by the auxiliary balladeur train (53) in Xiang Fanfang Upward movement and be closed so that the conveyer (41) correctly supports institute during the return movement of the main carriage (14) The package of formation.

2. packing machine according to claim 1, wherein carry the master of the transverse heat seal and intermediate cutting assembly (13) Along sliding part is laterally equipped with, the sliding part slides balladeur train (14) on pairs of straight line and horizontal guide (115), described Pairs of straight line and horizontal guide is longitudinally fixed on the side panel of a part of the substrate (116) of above-mentioned packing machine, and And these side panels support also parallel with the pairs of straight line and horizontal guide (115) and are closed into ring and hold accordingly The toothed belt (17) guided on portion's belt wheel (18), one pair of them end belt wheel by lateral shaft (19) interconnect, the lateral shaft after And connect with the moving parts (20,21) with electric motor, the electric motor rotates in two directions and has electricity Two side panels of sub- speed and phase controlling, main carriage (14) are connected to two toothed belts (17) by fixture (22) Branch, to receive necessary straight reciprocating motion from the branch, which has necessary acceleration and deceleration ramp.

3. packing machine according to claim 1, wherein form the two of the transverse heat seal and intermediate cutting assembly (13) The support device of a parallel and opposite element (113', 113 ") is mounted on corresponding vertical sliding part (23), the vertical cunning Moving part is located in the side panel of main carriage (14), and the side panel supports the vertical sliding part using guide device (24) (23), each vertical sliding part (23) is equipped with intermediate attachments outstanding (123), which has and vertical screw rod (25) The driving screw (125) of cooperation, the vertical screw rod are then connect with three road cone shape gear-boxes (27), which erects Straight path acts on the vertical screw rod (25), and one of horizontal route is by the above-mentioned vertical screw rod of vertical sliding part (23) (25) it is connected to the vertical sliding part (23) of opposite side, this will act as two-way umbrella gear box, while the of the gear-box (27) Three horizontal routes are connected to the moving parts (28) with electric motor, and the electric motor rotates in two directions, and With velocity of electrons and phase controlling, to allow transverse heat seal and centre to cut when the height change of package to be produced Cut the automatically or semi-automatically adjusting of the height and position of component (13).

4. packing machine according to claim 3, which is characterized in that be fixed on the vertical cunning using supporting element (29,30) On the inside of moving part (23) is vertical guiding bar (31), and the supporting element correspondingly supports institute by lower end and intermediate region Vertical sliding part is stated, the vertical guiding bar (31) has circular section, and sleeve (32,33) passes through inserting in circulating ball bearing Enter and slided in the circular section, lower sleeve portion (32) is slided between the supporting element (29,30) and supports lower, transverse The end of heat seal and cutting element (113 "), and upper sleeve (33) is in the upper support element of corresponding vertical guiding bar (31) (30) top is slided and supports the end of upper lateral heat seal and cutting element (113'), each vertical guiding bar (31) Sleeve (32,33) by corresponding fixture (132,133) be fixed to toothed belt (34) opposed branch, the toothed belt by Belt wheel (35) that the upper end of each vertical guiding bar (31) adjustably supports and by each vertical sliding part (23) Lower end support toothed belt (36) on be guided, the toothed belt (36) by synchronizer axis (37) interconnection, The synchronizer axis is then connect with the moving parts (38,39) with electric motor, and the electric motor revolves in both directions Turn, and have velocity of electrons and phase controlling, by with it is necessary acceleration and deceleration ramp it is complete or partial close or The movement that person opens completely or partially is transmitted to opposed member (113', 113 of transverse heat seal and intermediate cutting assembly (13) “)。

5. packing machine according to claim 1, wherein being located at the top member of transverse heat seal and intermediate cutting assembly (13) The pressurizer (63,63') of the upstream and downstream of part (113') is pressurizeed and extended downwardly by corresponding counteracting spring (64,64'), makes It is proper they it is static when, the lower edge with circular contour of above-mentioned pressurizer is grasped by the lower part of above-mentioned upper element (113') Make surface and is suitably separated from each other, and lower element (113 ") packet of the transverse heat seal and intermediate cutting assembly (13) The reversing device (163,163') opposite with the pressurizer (63,63') arranged on common horizontal plane is included, it is described to add Depressor and these reversing devices (163,163') are manufactured or are machined, to have and form package and formed from the pipe The film that mandrel (1) is left tubular wrapping (102') contact great friction coefficient, but also also with the counteracting spring (64, Effect 64') combines, and is responsible for when the upper element and lower element (113', 113 ") abut against each other with implementing it When two transverse heat seals and intermediate cutting and when these upper elements and lower element (113', 113 ") are close to each other still It is described when transverse heat seal and interposed cutting units (65,66,67) are promoted by corresponding reversing device (165,166,167) The packaging (102') of film can be securely clamped in these pressurizers (63,63') and corresponding reversing device (163,163) it Between, to discharge heat seal and cut portion with cooling packing.

6. packing machine according to claim 2, wherein the zigzag guide reel of the top branch of support conveyer (41) The auxiliary balladeur train (53) of (51,52) is along laterally equipped with horizontal and longitudinal guide (153), the horizontal and longitudinal guide Part slides on sliding part (54), and the sliding part is fixed on the top of cross member (55), and the cross member is then with it End is fixed to the side panel of main carriage (14), which rotatably supports a pair of of screw rod in cantilever fashion (56), the pair of screw rod is parallel to each other and is parallel to described horizontal and longitudinal guide, the pair of screw rod (56) and corresponding Driving screw (156) cooperation, the attachment (253) of the driving screw and auxiliary balladeur train (53) forms one, and the pair of screw rod (56) it is operated by moving parts (57,58), the moving parts are connect and with the cross member (55) flange by electronic horse Up to operation, the electric motor rotates in two directions and also has electronic phase angle control.

7. a kind of wrapped single or groups of product (P) using the packing machine according to any one of preceding claims 1 to 6 Method in the package from the film thermoplastic material obtained that spool is unwound, wherein transverse heat seal and intermediate cutting Component (13) is equipped with the pressurization in transverse heat seal and the upstream and downstream of cutter device (65,165,67,167,66,166) Device and reversed pressurizer (63,163,63', 163'), pipe can be clamped securely during the step of implementing transverse heat seal Shape film package, and wherein the transverse heat seal and intermediate cutting assembly (13) can form direction fortune along package It is dynamic, it is first shut off and moves away from pipe formation mandrel (1), then open and move in opposite direction, to return to circulation Starting position is to repeat subsequent operation circulation, so that passing through the transverse heat seal and intermediate cutting assembly (13) using pressurizer Pulling, tubular wrapping (102') can along pipe formed mandrel (1) advance, which is characterized in that in each subsequent tubular wrapping It can be implemented using the transverse heat seal and intermediate cutting assembly (13) in the formation of part (C1, C1', C1 ") and filling step, Transverse heat seal and intermediate cutting assembly (13) are closed and are moved away from mandrel (1) simultaneously, and it is further characterized in that, lateral heat The return movement to circulation starting position of sealing and intermediate cutting assembly (13) produces after it has already turned on for packing The return movement of the identical speed of push rod (6) of product is overlapped, and after the return step, populated and prepare closed rear end portion Package (C1 ") have been located at the downstream of transverse heat seal and intermediate cutting assembly (13).

8. the method according to the description of claim 7 is characterized in that when new tubular package (C1') advances and utilizes heat close The pressurizer (63,163,63', 163') for sealing the front end of the new package passes through transverse heat seal and intermediate cutting assembly (13) it pulls, when closing the rear end of the package (C1) of previous circulation, and being accompanied by the unloading of package of the previous circulation, Before the pressurizer (63,163) in the transverse heat seal and intermediate cutting assembly (13) downstream will be implemented on new package The transverse heat seal (ST1) of end when mechanically completely cutting off above-mentioned new packaging (C1') can rapidly be filled out by specified push rod (6) Fill so that the transverse heat seal (ST1) will not due to by product (P) be inserted into new tubular package (C1') and due to It is captured in the thrust for the air in above-mentioned new packaging (C1') and being located at before product (P) and is pressurized, equally in the step In, product (P) can be inserted into new package by push rod with relative velocity, which allows at the said goods (P) Upstream compressed and against the air of the front end of new package (C1') slowly and progressively discharge backward.

9. method according to claim 7 or 8, wherein during the active movement for forming mandrel (1) far from the pipe, Institute's having time needed for implementing its main heat-seal and cutting operation all provides transverse heat seal and intermediate cutting assembly (13), And in the decline of above-mentioned active movement, slightly opening heat sealer and cutter device are to discharge transverse heat seal (ST1, ST2), and be allowed for nature or force the movement of these cooling thermosealed devices, at the same by pressurizer (63, 163,63', 163') be always to maintain upstream and downstream package packaging, the pressurizer prevents the transverse heat seal Even the smallest stress on (ST1, ST2).

10. method according to claim 7 or 8, which is characterized in that laterally hot in the initial step of its operation circulation Sealing and intermediate cutting assembly (13) can be only partially closed on the tubular wrapping (102') of gusset, this partly Pipe can be slowly moved away from the state of closure and forms mandrel (1), towards package (C1') downstream movement and longitudinally The package is compressed, later, the transverse heat seal and intermediate cutting assembly (13) are closed completely and increase its movement velocity To implement the double transversal heat seal and intermediate cutting step that it is responsible for.