CN107848644A

CN107848644A - For packing machine and the related operating method being packaged in product that is single or groups of and/or stacking in the package of the thermoplastic obtained from the film of spool unwinding

Info

Publication number: CN107848644A
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: 2018-03-27
Anticipated expiration: 2036-07-04
Also published as: BR112018000423B1; ITUB20152063A1; US20190071199A1; RS60742B1; EP3319878A1; ES2806987T3; EP3319878B1; CN107848644B; BR112018000423A2; WO2017009737A1; HK1252989A1

Abstract

The present invention describes a kind of machine for being used to package the product in the tubular wrapping of the thermoplastic obtained by the continuous film unwind from spool, the machine is equipped with double transversal heat seal and middle cutting assembly (13), it has horizontal translating movement, the unloading of the package of end thereafter is closed along with component (13), the leading section of the tubular wrapping of next package is closed simultaneously, pressurizer and reverse pressurizer (63 also due to thereon are heated seal with cutting assembly (13), 163, 63', 163') and from pipe formed and longitudinal direction 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 having been filled with and prepare the upstream of heat seal and new package along with unloading at rearward end, opposite direction is moved and speed moves high horizontal movement and return to circulation starting position than previous along with previous.Transverse heat seal and cutting assembly (13) are aided in by conveyer (41), the conveyer supports and promoted the package that is being formed and completion and separation package, and equipped with the gap (40) with geometry-variable, the gap is opened during the active horizontal movement of said modules (13) and closed during the reverse horizontal movement of said modules (13).

Description

For product that is single or groups of and/or stacking to be packaged in from spool unwinding Packing machine and related operating method in the package for the thermoplastic that film obtains

Technical field

The present invention relates to by 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 the package of thermoplastic obtained from the film of spool unwinding, 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 technology

The prior art closest as the invention submitted in international classification B65B63/02, refer to this patent Shen The patent US4679379 that identical inventor please submits in nineteen eighty-three.It this document describe a kind of including horizontal hollow mandrel Packaging machine, its type are crew neck band, and the company of the thermoplastic from spool expansion is fed with one end of the packaging machine Continuous sheet material or film, the other end of mandrel are formed in pipe, and its longitudinal edge is overlapping and heats seal, and is passed from above-mentioned mandrel When sending, by horizontal static component transverse seal, the horizontal static component performs previous gusset in identical according to order 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 of the packaging of the last week interim filling and formation, to close the front end for forming 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 including non-woven material, Wherein these products are grouped together and/or stacked preferably to be bundled by light pressure in the horizontal with being formed, and There is after the step cross section of shape and width, the shape and width of the cross section be slightly less than outside it is described in it is hollow The wherein described tubular wrapping in interior cross section of axle slides in front end, angle brace and closing.In the correct stage, pusher is actuated to The bundle is ejected from the load station, is slided along the hollow mandrel, and tubulose is pushed against 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 because its elastic memory, the bundle part somewhat expand simultaneously It is tightly engaged the part mandrel ejected from pipe fitting and following conveyer is supported.Push rod terminates it in the downstream of mandrel Active movement, and in an open position in the slightly downstream of transverse heat seal cutting assembly, then above-mentioned push rod counter motion and return Circulation starting position is returned to, to discharge load station and allow to repeat a new operation circulation.Sequentially, positioned 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, the rear end for the packaging having been filled with is closed, it closes the front end of the packaging to be filled formed, so The component is somewhat opened to discharge heat seal afterwards, and allows to act on optional hair-dryer cooling device identical component thereon Open successively 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 be opened completely, to allow tubular wrapping to be inserted by propeller Enter product therein to promote, the propeller carries out its active operation motion.In order to prevent the heat seal of the front end of tubular wrapping Surrendered in pouch step under the thrust of product, and therefore prevent packaging from tearing and rupturing, produced as well as when product Progress of the air in the tubular wrapping that longitudinal direction and front end are closed caused by product compression, in the prior art, can be by as follows Mode works：

A) in order to ensure the thermosealed effectively cooling of tubular wrapping front end, an operation circulation and next operation are extended Free time between circulation；

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

The content of the invention

It is contemplated that overcome these and other limitation of prior art, it is reliable with high hourly efficiency to produce Packing machine, have according to the thought of appended claims 1 and the solution of subsequent dependent claims, transverse heat seal Upstream and downstream of the cutting assembly in apparatus for heat sealing is provided with pressurizer, with before transverse heat seal step is carried out, it Film is clamped securely after neutralizing.It is combined with the pressurizer, above-mentioned transverse heat seal cutting assembly can be in packaging formation side Move up, be first shut off and form mandrel movement away from the pipe, then open and return to circulation in opposite direction and open Beginning, position was for the subsequent operation circulation of repetition.Now, tubular package can utilize pressurizer along new double transversal heat The pipe that sealing and cutting assembly pull forms mandrel and advanced, and following result is possible：

1st, because these heat seals are carried out in the shaping of each subsequent tubular package and filling step, while laterally Heat seal and cutting assembly are closed and move away from mandrel, so producing strong within the time ensured needed for its correct implementation With effective heat seal；

2nd, when using pressurizer by sealed new package leading section transverse heat seal and cutting assembly pull New tubular package enclosed previous circulation package rearward 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 leading section 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 product being inserted Enter into new tubular package and the thrust of the air due to being captured in above-mentioned new packaging and before product and Pressurized, equally in this step, product can be inserted into new package by push rod with relative velocity, and the relative velocity is permitted Perhaps compressed in the upstream of the said goods (P) and against the leading section of new package air slowly and progressively to heel row Put；

3rd, during it forms the motion of mandrel away 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 motion, having time is somewhat opened Heat sealer, and be allowed for nature or force to cool down the action of these thermosealed devices, while always protected by pressurizer The packaging of the package of upstream and downstream is held, to prevent the even minimum stress in the transverse heat seal；

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

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

Brief description of the drawings

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

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

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

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

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

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

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

Fig. 9 is shown heats seal the existing lateral of the tubular package part periodically engaged with cutting assembly by double transversal The schematic plan view of the device of gusset；

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

Figure 11 to 16 shows the operation circulation in these parts of the critical piece of the packing machine according to the present invention Some subsequent and schematic side elevations in important step.

Embodiment

How can be seen that packing machine from Fig. 1 and Fig. 2 includes 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 provided 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 using tubular form, along above-mentioned mandrel 1 towards its export 201 longitudinal direction It is mobile, wherein longitudinal thin slice of above-mentioned film is overlapped and apparatus for heat sealing 3 by known type is continuously mutual by them Heat seal so that above-mentioned film is left from the outlet 201 of mandrel 1 in the form of bag, 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 conversely used to guide 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, and the feed line is not shown, and reason is it for understanding this For invention not necessarily.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 appropriate transverse compression so that when above-mentioned bundle is vertical from load station 4 To during ejection, it can readily enter hollow mandrel 1, and can be hollow in the case of still sufficiently transverse compression Axle slides.

In Fig. 1, chain-dotted line 5 represents preferable horizontal plane, and the package that the bottom of bundle and packing machine are produced is at this Moved on horizontal plane.The upstream of load station 4 is provided with is put down by the push rod 6 of the leading section support of horizon bar 106, its longitudinal axis Row extends to left side when observing Fig. 1 and 2 in the public longitudinal axis of preceding station 1 and 4.Close to the end of 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, tooth form belt wheel 10 is press-fitted on the vertical output shaft of the gear motor component, the tooth form belt wheel Cog belt 11 with being guided in a pair of rotation idler pulleys 12 coordinates, the pair of rotation idler pulley parallel to belt wheel 10, and also by Door frame 8 supports, should so as to which above-mentioned cog belt 11 is carried in the path parallel to bar 106 and can be fixed to opposite end Bar, so as to form the equivalent of rack that is longitudinally fixed with bar 106 and being engaged with little gear 10, so as to by making moving cell Rotated along one or the other direction, push rod 6 can be operated to form mandrel 1 and in mandrel downstream and transverse heat seal along pipe The useful motion (seeing below) for being transmitted in the bundle formed in load station 4 is carried out with cutting assembly downstream, for profit Above-mentioned bundle is inserted into the tubulose formed by above-mentioned mandrel 1 and longitudinal apparatus for heat sealing 3 with the motion represented by A in Fig. 1 and 2 In package.Component 9 can not only rotate in the two directions equipped with electro-motor, the electro-motor, but also with electricity Sub- speed control, to allow with different motor performance push rods 6, have and correctly accelerate and deceleration ramp (seeing below).

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

In order to perform the horizontal translating movement B, also as shown in Fig. 3 and Fig. 4 details, component 13 is arranged on balladeur train 14 On, balladeur train is slided by laterally circulating ball slider 15 on paired straight line and horizontal guide 115, and the guiding piece is longitudinally It is fixed on the inner face of the side panel of a part for the substrate 116 of packing machine, the substrate is supporting foregoing station 1,4 and 6 The downstream extension of one part 16 (Fig. 2).It is between these guiding pieces 115 and in parallel parallel to paired guiding piece 115 Ground, the inner panel support of substrate 106 closes the cog belt 17 for circularizing and being guided on corresponding end belt wheel 18, wherein one End belt wheel is connected with each other by lateral shaft 19, the fortune with electro-motor is then connected to by positive movement transmission device 20 Dynamic component 21, the electro-motor rotate along both direction, and are preferably the type with 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 cog belts 17.

Component 13 include two element 113' parallel to each other and relative and 113 ", they are vertical flat positioned at common ideal On face, the preferable perpendicular is transverse to the longitudinal direction of the ideal plane that package advances 5, and the bottom 113 " of package is every Individual circulation is positioned in the lower section of plane 5 when starting, while upper element 113' is raised and is separated by a certain distance with plane 5, from And allow to pass through without producing interference from the package that mandrel 1 is periodically left in lower section.In active operation step, element 113', 113 " by being moved towards each other to middle motion on the common preferable perpendicular, so as to substantially meet by One half height of the package to be closed.In order that the package of production of machinery different height, can adjust the element simultaneously 113' and 113 " support and guide device height and position, without adjust it is static when correlation distance.Therefore, such as the institutes of Fig. 3 and 4 Show, the element 113' and 113 " support meanss be mounted on 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 intermediate attachments 123 of the sliding part 23 equipped with protrusion, It has the driving screw 125 coordinated with vertical screw rod 25, and the vertical screw rod is then connected to by inserting safety coupling member 26 Three road conical tooth roller boxs 27, the vertical path of the three roads conical tooth roller box are acted 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, and this will act as two-way bevel gearing, and gear 3rd horizontal route of case 27 is connected to the moving parts 28 with electro-motor, and the electro-motor rotates along both direction, and And be preferably the type with 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 inner side of above-mentioned vertical sliding part 23, support member difference using support member 29 and 30 Sliding part is supported by bottom 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 bottom of sleeve 32 slided between the support member 29,30 and Support lower, transverse heat seal and cutting element 113 " end, and upper sleeve 33 is above the support member 30 of corresponding bar 31 Slide and support upper lateral heat seal and cutting element 113' end.In figs. 3 and 4 it can also be seen that each bar 31 sleeve 32 and 33 is fixed to the cog belt 34 guided on belt wheel 35 and tooth form belt wheel 36 by corresponding fixture 132,133 Opposed branch, belt wheel 35 adjustably supports by the upper end of each bar 31, and tooth form belt wheel 36 is by each vertical sliding part 23 Bottom support, and above-mentioned bottom belt wheel 26 is connected to each other by synchronizer axle 37, and the synchronizer axle is transported by means of forward direction Dynamic transmission device 38 is connected to the moving parts 39 with electro-motor, and the electro-motor rotates along both direction, and preferably For the type with velocity of electrons and phase controlling.Transverse heat seal and the opposed member 113' of cutting assembly 13 and 113 " are received The motion of the opening and closing step with necessary acceleration and deceleration ramp from the moving parts, it is as follows.

The element 113' and 113 of transverse heat seal cutting assembly 13 is can be seen that from Fig. 1 and Fig. 2 and Figure 10 to Figure 12 " the above-mentioned preferable perpendicular moved over is provided with transverse opening or the gap 40 of the top branch of conveyer 41, above-mentioned Top branch moves on the direction of arrow 42, and during package moves from mandrel, during mandrel 1 is left To support package on levels operation panel 5, while the transverse heat seal and middle cutting of rear end and front end are above-mentioned Dynamically (seeing below) is carried out on package.It is element 113' when component 13,113 " in an open position when static and must When must perform return movement to be arranged in upstream (the seeing below) of the new packing part unloaded from mandrel 1, it is necessary to can substantially close The lateral clearance 40 is closed, to allow this new packaging to pass through it.Therefore, the top branch of conveyer 41 is in place in mandrel It is directed on the roller 43 in 1 exit, the roller rotates twelve Earthly Branches together with end rollers 143 by the side panel of the substrate 116 of packing machine 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 Dynamic component 46 is directed at a slow speed on the tooth form belt wheel 45 on output shaft.With the short distance of upper roll 43, conveyer 41 it is upper Part Zhi Yu rollers 43 it is parallel and positioned at above-mentioned height roller 47 on be directed, then also it is parallel to each other, idle running and with roller 47 Be directed in parallel three lower rollers 48,49 and 50, and so that the above-mentioned top branch of conveyer 41 formed it is described The lower element 113 in gap 40, wherein transverse heat seal and cutting assembly 13 " can be positioned in the resting position of its reduction In the gap, and said elements 113 " can coordinate according to order is elevated through the gap with upper element 113'. Roller 47 to 50 is rotated by balladeur train 14 to be supported and is moved with balladeur train.Roller 50 is located at the height lower than roller 47 so that fixed respectively Position is in mutually level two dummy rolls 51 and 52 with roller 47 and can placed in the downstream of above-mentioned roller 50 and upstream and the latter 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 Aid on balladeur train 53, the auxiliary balladeur train is arranged on main carriage 14 and controlled water can be performed on main carriage according to order Flat motion, the horizontal movement can make above-mentioned roller 51 and 52 move to Figure 12 extended position from Figure 11 motion home position, In home position is moved, gap 40 is substantially closed and package can be easily on roller 47 and 52 by extending In position, gap 49 open with allow the lower element 113 of transverse heat seal and cutting assembly 13 " it is vertical on freedom of motion Degree.

Roller 51,52 is can be seen that from Figure 10 details to be transversely mounted on the opposite end of the auxiliary balladeur train 53, lateral It is upper to be fixed on equipped with the level slided on sliding part 54 and longitudinal guide 153, sliding part 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 props up rotatably and in cantilever fashion A pair of screw rods 56 parallel to each other are supportted, the pair of screw rod is parallel with guiding piece 54 and driving screw 156, and the driving screw is slided with auxiliary The annex 253 of frame 53 is integral, and the annex coordinates with these screw rods 56.Two screw rods 56 (can only see therein one in Figure 10 It is individual) operated by moving parts 58 by means of positive movement transmission device 57, the moving parts flange is installed to horizontal structure Part 55 is simultaneously operated by electro-motor, and the electro-motor rotates along both direction and alternatively also there is electronic phase angle to control.

In Fig. 10, the auxiliary balladeur train 53 with roller 51 and 52 is shown in solid as the extension bit in closed-gap 40 Put, and shown in broken lines is in the motion home position for opening above-mentioned gap 40.The figure clearly demonstrates roller 51 and 52 such as What performs the motion D of same range, and causes when the motion of roller 52 returns to left side (when observing Figure 10) and causes to transmit During 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 Motion.

As can be seen that being provided with phase at the side of conveyer 41 and transverse heat seal and cutting assembly 13 from Fig. 1,2 and 9 To folding part 59,59', its acted on before the operation of said modules 13 from mandrel 1 leave not by product to be packaged Engage (see below) and by the sidepiece of the part of the tubular package engaged by said modules 13, with guarantee fund should Recessed lateral gusset is produced on part, this is for preventing that heat-seal areas is laterally projecting from package and ensures 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 60th, on 60', the sliding part in the guiding piece 61 being limited on the fixed frame 116 of packing machine, slide on 61', above-mentioned slip Part 60,60' operate by corresponding fluid pressure pistons cylinder component 62,62' or by other suitable linear reciprocal movement actuators.

Reference picture 5,5a and 5b, will now be described to be formed double transversal heat seal and middle cutting assembly 13 element 113' and 113 " device composition.In Figure 5, element 113' and 113 " in the step of being illustrated at moving towards each other, and In the case of there is bigger distance between said elements, said elements 113', 113 " resting position equivalent to component.Now The transverse heat seal and cutting assembly that reference picture 5 describes can produce package C1 as shown in Figure 6, and the package 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 provided with end recessed and by Fig. 9 folding Portion 59, the part F of 59' gussets, are closed by transverse heat seal ST1 at front end, are sealed in rear end by transverse heat seal ST2 Close, and equipped with the flat and gusset portion M of above-mentioned package, also longitudinally closed by heating seal SL, heat seal SL is certainly By on edge B2 by the way that obtained material fusion will be separated to close from using the thermal cutting between subsequent packages, and Equipped with C-shaped central incision G, the central incision can be used for being used as being used to carry above-mentioned package by the above-mentioned part M of package C1 handle.At horizontal front end seal ST1, package C1 has the small protrusion annex of same package part, and its is parallel The fusion of obtained material is separated by using the thermal cutting between subsequent packet piece installing in ST1 leading edge B1 and is sealed Close.

Component 13 allows on the tubular package part that it is laterally suppressed while implements to be used to have been filled with simultaneously In the parallel heat seal ST2 of the package of rear end closing, the parallel heat for the subsequent packet piece installing of product to be continued to fill up Being separated from each other for ST1, generation edge B2, B1 middle cutting, and package is sealed, and implements punching press and is used as handle to be formed 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 somebody with somebody in upstream and downstream Pressurizer 63,63' are had, the lower edge of pressurizer has circular contour, both with respect to said elements 113' lower operation surface Extend downwardly from, and pressurizer can resist counteracting spring 64,64' effect and towards the operation apparent motion return.In member On part 113' lower operation surface, the position set coplanar with each other 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 heat seal ST1 and ST2 for implementing Fig. 6 and for package to be divided each other From the device for thermally cutting 67 of fused edge B1 and B2 with the above-mentioned package for forming Fig. 6.In element 113' lower operation Pressurizer 68, the 68' of two small spring operations, the edge of its underpart and suitably rounding are provided with the center section on surface Protrude from the ideal plane comprising apparatus for heat sealing 65,68, and moved from these intermediary press devices 68,68' slightly downward In the position of return, the punching unit 69 for forming otch G on Fig. 6 package C1 handle M is provided with.Whole component 113' is supported by support member 70 above, and the support member is connected to Fig. 3 by inserting spring and compensation device 71 With the sleeve 33 shown in 4, the spring and compensation device are generally in the transverse heat seal and cutter device discussed.

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

As shown in figure 5, make transverse heat seal and the element 113' of cutting assembly 13 and 113 " relatively move in parallel with each other, Middle motion, external pressurized device 63,163 and 63' are worked first as shown in Figure 5 b certainly on common preferable perpendicular, The tubular package (not shown) of insertion is clamped on horizontal direction securely, then continues to move towards each other, said elements 113', 113 " reach state as shown in Figure 5 a, available for using in intermediary press device 68,168,68', 168' correct stage Effect, and the heat seal ST1, ST2, middle cutting B1-B2 are produced on package C1, this act through punching unit and The element of drift 69,169 firmly holds the part of the package provided with otch G.Carrying out the transverse heat seal and cutting After cutting operation, as shown in Figure 5 b, the state that partially opens " is got into, while heat is close in the element 113' of component 13,113 temporarily Envelope machine 65,66 and cutter device 67 are raised by corresponding bottom reversing device 165,166,167, to allow rapid and natural or pressure The implemented heat seal of cooling and transverse cuts, while package keeps clamping portion's pressurizer and reverse pressurizer 63,163 outside Between 63', 163' so that it can be further pulled on by component 13, as follows.

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

In Fig. 1, numeral 72 represents 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 reference now to Figure 11 to 16.

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

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 preferable perpendiculars moved thereon with cutting assembly 13.On Fig. 9 static folding part 59,59' edges With root on the part of tubular wrapping 102' between product P of the lateral action in the outlet of mandrel 1 and insertion new packing part C1' After making this part packaging that there is lateral recessed gusset according to 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 performing from centering closing motion, is somebody's turn to do Closing motion causes these elements immediately in the downstream for the product P being encapsulated in C1' and in the height of the above-mentioned package Closed at half.Element 113', 113 " the correct stage completely or partially closed, side-foldable portion 59,59' motion 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 " not fully closed, as shown in Fig. 5 or Fig. 5 b, then the initial of the remote mandrel 1 of said modules 13 slowly moves and impacted tubular Into resistance caused by the pipe of the film 102 of mandrel 1 package C1' can be made to be moved 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 Hold package C1' rear end and implementing Fig. 6 transverse heat seal ST2 thereon, using thermal cutting from the subsequent packet for leaving mandrel 1 " separation (closed edge B2 and B1 formation and their separation), component 13 starts to pull out and performs 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, push rod 6 inserts product P to be packaged following package C1 " in, the transverse compression before the said goods are subjected to due to it in the load station 4 shown in Fig. 1 and Fig. 2 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 packaged product P upstreams slowly escapes in downstream, without damage above-mentioned package C1 ", the package is still by group The pressurizer 63,163 of the upstream of part 13 is firmly held, and the latter enters the state shown in Fig. 5 b in the correct stage, to allow Quickly cool 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 Figure 11 beginning in the downstream of the component State).

In turn, as shown in figure 15, when balladeur train 14 reaches or will reached the 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 the circulation starting position shown in Fig. 1, and with being kept by the active movement part 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, so as to Further increase the productivity ratio of packing machine.

It should be understood that this specification is related to the preferred embodiments of the present invention, without departing substantially from as described below, shown and institute In the case of 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 to be not intended to limit the guarantor of these claims Protect scope.

Claims

A kind of 1. packaging for being used to be packaged in product that is single or groups of and/or stacking in the package of thermoplastic Machine, it includes hollow horizontal mandrel (1), and the mandrel is fed into from the continuous film (102) of the thermoplastic of spool (2) unwinding Loading end (101), the film advances towards the unloading end (201) of the mandrel, vertical using it by apparatus for heat sealing (3) Extrorse overlapping and mutual heat seal and be formed as pipe, and in the form of tubular wrapping (102') from above-mentioned mandrel (1) from Open, the tubular wrapping is laterally closed by being positioned at the component (13) in the downstream of above-mentioned mandrel (1), is passing through folding before Implement on the part of the tubular wrapping of portion (59,59') gusset two transverse heat seals (ST1, ST2) and it is middle cut (B1, B2), it is filled and shapes in previous circulation, closes the leading section of next package (C1 "), and by the packaging of completion Part (C1') separates with the package (C1 ") formed, the packing machine be included in the upstream of the mandrel (1) and with the heart Axle longitudinally-aligned to be packaged, the load station (4) of product (P) that is grouped and/or stacks and compress in transverse direction, the loading The upstream of station (4) includes longitudinally-aligned push rod (6), and the push rod will come from one or more of load station (4) according to order Individual product (P) is transferred in the tubular package by the mandrel (1) production, and tubular package passes through the whole length of mandrel simultaneously More than the mandrel, it is characterised in that formed for implement the parallel of double transversal heat seal and the middle component (13) cut and Relative element (113', 113 ") in upstream equipped with corresponding pressurizer (63,63') and reverse pressurizer (163,163'), To clamp the package (102') for the gusset that the component (13) is closed according to order thereon securely in a lateral direction Part, said modules (13) are arranged on on the main carriage (14) that moves horizontally, and the main carriage is operated by telecontrol equipment, So as to pipe forming mandrel (1) is left in correct course movement, to follow completion in the heat-seal process of rearward end Package and the new part that tubular wrapping (102') is taken out from mandrel (1), the push rod (6) will productions in the correct stage Product (P) are inserted in the new part, to form the subsequent packet piece installing (C1 ") so that the main carriage (14) is towards mandrel (1) The device for moving and returning quickly to initial position is arranged in the new packing part that has been filled with and will be closed at rearward end The downstream of (C1 "), provided with motorization conveyer (41), to be supported on the package that the mandrel (1) downstream is being formed, and The top branch of the conveyer (41) is drawn in the parallel rollers (47,48,49,50) pivotally supported by the main carriage (14) Lead, and be directed on the other roller (51,52) supported by auxiliary balladeur train (53) with zig-zag path, the auxiliary balladeur train according to Order is horizontal on above-mentioned main carriage (14) to be slided, to be formed in double transversal heat seal and middle cutting assembly (13) place Gap (40), (113 ") are usually contained in the gap lower element of the component (13), and the gap (40) is logical Cross auxiliary balladeur train (53) motion in one direction and be opened, so as to when by the lower element (during 113 ") engagement, Allow 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 phase Motion in the reverse direction and close so that conveyer (41) correct twelve Earthly Branches during the return movement of the main carriage (14) The formed package of support.
2. packing machine according to claim 1, wherein, carry the main cunning of the double transversal heat seal and cutting assembly (13) Frame (14) is along laterally sliding part (15) is equipped with, and the sliding part slides on paired straight line and horizontal guide (115), institute Guiding piece is stated longitudinally on the side panel of a part for the substrate (116) fixed to above-mentioned packing machine, and these side panels are also Parallel to paired guiding piece (115) the support closure cyclization and the cog belt guided on corresponding end belt wheel (18) (17), one pair of which end belt wheel by lateral shaft (19) interconnect, the lateral shaft then with the exercise group with electro-motor Part (20,21) connects, and the electro-motor rotates and has velocity of electrons and phase controlling, main carriage in the two directions (14) two side panels are connected to the branch of two cog belts (17) by fixture (22), necessary to be received from the branch Straight reciprocating motion, the straight reciprocating motion has necessary acceleration and deceleration ramp.
3. packing machine according to claim 1, wherein, form two of the double transversal heat seal and cutting assembly (13) (113', the support meanss of 113 ") are arranged on corresponding vertical sliding part (23) parallel and relative element, the vertical sliding Part is positioned in the side panel of main carriage (14), and the side panel supports the sliding part (23) using guide device (24), often Individual sliding part (23) has the driving screw (125) coordinated with vertical screw rod (25), is somebody's turn to do equipped with prominent intermediate attachments (123) Vertical screw rod is then connected with three road conical tooth roller boxs (27), and the vertical path of the three roads conical tooth roller box acts on the screw rod (25) on, the above-mentioned screw rod (25) of sliding part (23) is connected to the sliding part (23) of opposite side by one of horizontal route, this Two-way umbrella gear box is will act as, while the 3rd horizontal route of the gear-box (27) is connected to the exercise group with electro-motor Part (28), the electro-motor rotate in the two directions, and preferably have velocity of electrons and phase controlling, are treated to work as Allow the height and position of transverse heat seal and cutting assembly (13) during the height change of the package of production automatically or semi-automatically Regulation.
4. packing machine according to claim 3, it is characterised in that be fixed on using support member (29,30) described vertical sliding On the inner side of moving part (23) is vertical guiding bar (31), and the support member correspondingly supports institute by bottom 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 support member (29,30) and supports lower, transverse Heat seal and cutting element (end of 113 "), and upper sleeve (33) corresponding bar (31) upper support element (30) above Slide and support the end of upper lateral heat seal and cutting element (113'), the sleeve (32,33) of each bar (31) is logical The opposed branch that corresponding fixture (132,133) is fixed to cog belt (34) is crossed, the cog belt is by the upper of each bar (31) The belt wheel (35) that end adjustably supports and the tooth form belt wheel of the bottom support by each vertical sliding part (23) (36) be directed on, above-mentioned bottom belt wheel (26) by synchronizer axle (37) be connected with each other, the synchronizer axle then with Moving parts (the 38,39) connection of electro-motor, the electro-motor rotate along both direction, and preferably have electronics speed Degree and phase controlling, it will be opened with necessary acceleration and the complete or partial closing of deceleration ramp or completely or partially Motion is delivered to opposed member (113', 113 ") of transverse heat seal and cutting assembly (13).
5. packing machine according to claim 1, wherein positioned at double transversal heat seal and the upper element of cutting assembly (13) The pressurizer (63,63') of the upstream and downstream of (113') is extended downwardly by corresponding counteracting spring (64,64') pressurization so that When they are static, the lower edge with circular contour of above-mentioned pressurizer is operated by the bottom of above-mentioned upper element (113') Surface and be suitably spaced apart from each other, and (113 ") are included in common horizontal ideal plane to the lower element of said modules (13) The reversing device relative with the top pressurizer (63,63') (163,163') of upper arrangement, top pressurizer is reverse with these Device (163,163') is similarly formed or processed, with forming package and forming what mandrel (1) was left from the pipe The great friction coefficient of tubular wrapping (102') contact of film, also causes the effect also with the counteracting spring (64,64') mutually to tie Close, when the element (113', 113 ") abut against each other with implement two transverse heat seals that it is responsible for and it is middle cut when with And when these elements (113', 113 ") are close to each other but transverse heat seal and interposed cutting units (65,66,67) are by corresponding Reversing device (165,166,167) lifting when, the packaging (102') of the film can be securely clamped in these pressurizers (63,63') between corresponding reversing device (163,163), to discharge and the heat seal and cut portion of 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 guiding piece is in sliding part (54) slided on, the sliding part is fixed on the top of cross member (55), and the cross member is then fixed to its end The side panel of main carriage (14), the cross member (55) rotatably supports a pair of screw rods (56) in cantilever fashion, the pair of Screw rod is parallel to each other and coordinates parallel to the guiding piece (54), these screw rods (56) with corresponding driving screw (156), the guide screw The annex (253) of bar and auxiliary balladeur train (53) forms one, and these screw rods (56) are operated by moving parts (57,58), institute State moving parts to be connected with the cross member (55) flange and operated by electro-motor, the electro-motor is in both direction It is upper to rotate and alternatively also there is electronic phase angle control.
7. a kind of packing machine using according to any one of preceding claims 1 to 6 will be single or groups of and/or stack Product (P) be packaged in method in the package of thermoplastic obtained from the film of spool unwinding, wherein laterally heat is close Envelope and cutting assembly (13) equipped with the upstream of transverse heat seal and cutter device (65,165,67,167,66,166) and under The pressurizer of trip and reverse pressurizer (63,163,63', 163'), with can be during the step of implementing transverse heat seal firmly Ground clamps tubular film package, and wherein above-mentioned transverse heat seal and cutting assembly (13) can form direction along package Motion, it is first shut off and moves away from pipe formation mandrel (1), then open and move in opposite direction, followed with returning to Circulated with repeating subsequent operation ring starting position so that pass through above-mentioned double transversal heat seal and cutting assembly (13) using pressurizer Pulling, tubular wrapping (102') can along pipe formed mandrel (1) advance, it is characterised in that in each follow-up tubular wrapping It can be implemented in the formation of part (C1, C1', C1 " etc.) and filling step using the component (13), while transverse heat seal and cut Cut component (13) to close and move away from mandrel (1), and be further characterized in that, transverse heat seal and cutting assembly (13) are arrived Circulate the return fortune of return movement speed identical with the push rod (6) for packing product after it has already turned on of starting position It is dynamic overlapping, and after the return to step, (C1 ") has been located at transverse direction to package that is populated and preparing closed rear end portion The downstream of heat seal and cutting assembly (13).
8. according to the method for claim 7, it is characterised in that when new tubular package (C1') advances and utilizes heat close The pressurizer (63,163,63', 163') for sealing the leading section of the new package is drawn by transverse heat seal and cutting assembly (13) It is dynamic, when closing the rearward end of the package (C1) of previous circulation, and being accompanied by the unloading of the package of the previous circulation, in the horizontal stroke To heat seal and the pressurizer (63,163) in cutting assembly (13) downstream by the transverse direction for the leading section implemented on new package Above-mentioned new packaging (C1') can be rapidly filled with by specified push rod (6) when heat seal (ST1) mechanically completely cuts off so that the horizontal stroke Will not be due to product (P) being inserted into new tubular package (C1') and above-mentioned new due to being captured in heat seal (ST1) Packaging (C1') in and the thrust of air before the product (P) and be pressurized, equally in this step, push rod can be with Product (P) is inserted into new package by relative velocity, and the relative velocity allows to be compressed simultaneously in the upstream of the said goods (P) Air against the leading section of new package (C1') is slow and progressively discharges backward.
9. the method according to preceding claims, wherein, during the active movement of mandrel (1) is formed away from the pipe, Double transversal heat seal and cutting assembly (13) are all provided in institute's having time needed for its main heat-seal of implementation and cutting operation, and And in the decline of above-mentioned active movement, somewhat open heat sealer and cutter device with discharge transverse heat seal (ST1, ST2), and be allowed for nature or force cool down these thermosealed devices action, while by pressurizer (63,163, 63', 163') be always to maintain upstream and downstream package packaging, the pressurizer prevent the transverse heat seal (ST1, ST2 the even minimum stress on).
10. the method according to preceding claims, it is characterised in that in the initial step of its operation circulation, double transversal Heat seal and cutting assembly (13) can only partially close on the tubular wrapping (102') of gusset, partly be closed at this Pipe can be slowly moved away from the state of conjunction and forms mandrel (1), to press towards package (C1') downstream movement and longitudinally Contract the package, and afterwards, said modules (13) close and increase its movement velocity to implement the double transversal that it is responsible for completely Heat seal and middle cutting step.