CN203612285U - Packaging machine - Google Patents

Abstract

The utility model provides a packaging machine with a cylindrical model replacement device, wherein a cylindrical model replacement which can be easily replaced in cooperation with sizes of bags and sizes of products under the circumstance that the sizes of the bags and or the sizes of the products are changed. The packaging machine comprises the cylindrical model replacement device (12). The cylindrical model replacement device (12) comprises a rotating component (36) and a pair of cylindrical model replacement keeping components (37), wherein the rotating component is driven by a servo motor and can rotate around a horizontal shaft intermittently, the cylindrical model replacement keeping components are detachably connected relative to the rotating component, and the cylindrical model replacement keeping components can be replaced according to that the sizes of the bags and or the sizes of the products.

Description

Wrapping machine

The application is the divisional application of the Chinese utility model application that application number is 201320378881.1, the applying date is on June 28th, 2013, invention and created name is " wrapping machine ".

Technical field

The utility model relates to the automatic packaging machine technology of concentrating the product the automatic bag sealing that pack predetermined quantity in packaging bag.

Background technology

Wrapping machine in the past, as described in disclosed content in patent documentation 1, manufactures packaging bag and in the packaging bag manufacturing, concentrates the product the automatic bag sealing that pack predetermined quantity into manufacture packaging product.

The disclosed wrapping machine in the past of patent documentation 1 is by forming with lower device: from plastic film reel by film extract out seal and be cut to preliminary dimension and manufactured the bag making device of packaging bag; With a pair of suction inlet by the packaging bag producing from open side attracts to make it to open, by the packaging bag of open state from open end cover hang over tubular type for and and keep the device for hanging bag of this state; Can possess multiple tubular types for and the tubular type of filling mouthful for device; Supply with the supply conveyer of the product of predetermined quantity; The product of the predetermined quantity by supplying with conveyer supply is transported to the jacking system that tubular type replaces; The product of the predetermined quantity of being carried by jacking system is pushed to filling mouth that tubular type replaces and this product is filled into and is held in tubular type for the thrust unit in upper bag; The final hot sealing device sealing being filled with the packaging bag of predetermined quantity product; By completely encapsulation after product from hot sealing device discharge discharge conveyer.

The mode of operation of wrapping machine is as described below: first, in bag making device, the film of extracting out from plastic film reel is cut into the packaging bag of one-sided sealing being heat-sealed according to preliminary dimension, then, after device for hanging bag attracts to make bag to open the open end of this packaging bag with a pair of suction inlet, by the packaging bag cover of open state hang over tubular type for the tubular type of device for upper and keep this state.

Meanwhile, will be packed into the product of predetermined quantity of packaging bag, be transferred into tubular type for device by supplying with conveyer, jacking system and thrust unit, and be packed into cover and hang over tubular type in upper bag.

Then, the bag that is filled with the product of predetermined quantity is pushed into closing device by pusher, and then by final hot sealing device, the open end of packaging bag that is filled with predetermined quantity product is carried out to final encapsulation and completed the packing of product.

Finally, completed packaging product is discharged to outside wrapping machine by discharging conveyer.

Prior art document

Patent documentation

Patent documentation 1: Japan opens clear 61-160002 communique in fact

Utility model content

The problem that utility model will solve

But, in wrapping machine in the past, as first problem, supply with conveyer and stipulate that according to transmitting packing quantity product into carries out structure, if when producing other and pack arbitrarily quantity product into, supply with conveyer and but can not change accordingly according to the commodity amount that will produce.

And, in existing wrapping machine, as Second Problem, although tubular type can possess multiple tubular types for filling mouth with product for device, this tubular type for and the size of input port be corresponding to the size of packaging bag and product and fixing, if packaging bag or commodity occur to change, tubular type but can not change simply accordingly for device.

Have again, in wrapping machine in the past, as the 3rd problem, device for hanging bag attracts to make the bag opening of the state of remaining silent to the open end of bag with a pair of suction inlet, by the bag cover of open state be suspended to tubular type for the tubular type of device for upper and keep this state, because this pair of suction inlet, by a pair of gear mechanism formation that links, so easily produce bad contact and wearing and tearing, makes the problem that cannot glibly packaging bag be opened.

The utility model is for the problems referred to above point and the first object of design is to provide a kind of wrapping machine of the supply conveyer that possesses following characteristics, the adjacent spaces that can simply change the pair of pin that is used for fixing some products is installed on this supply conveyer, in the time that encapsulating products quantity changes, the interval that only needs to change between set pin makes it corresponding corresponding product quantity.

In addition, the utility model is for the problems referred to above point and the second object of design is to provide and a kind ofly possesses tubular type for the wrapping machine of device, in the case of having changed the packaging product of the size of bag and/or the size of product, the tubular type that can coordinate the size of bag and the size of product to provide for simple replacement of replaces.

Have, the utility model for the problems referred to above point and the 3rd object of design is to provide a kind of wrapping machine that possesses device for hanging bag, makes bag open glibly from the state of remaining silent thereby this device for hanging bag can be not easy to produce bad contact and wearing and tearing again.

For solving the technical scheme of problem

In order to solve first problem of the present utility model, the utility model that the wrapping machine of technical scheme 1 relates to, it is characterized in that, this supply conveyer disposes the second chain that is equidistantly fixed with multiple front-side pins the first chains and is equidistantly fixed with multiple backside pins side by side, drive the benchmark sprocket wheel of the first chain and drive the variable side chain wheel of the second chain to link and be arranged at freely axle drive shaft by tooth clutch, by the work of tooth clutch interruption, can adjust the spacing between front-side pins and the second chain backside pins on the first adjacent chain.

In addition, in order to solve Second Problem of the present utility model, the utility model that the wrapping machine of technical scheme 2 relates to is characterised in that, this tubular type comprises for device: turning unit, it can releasably be arranged on a pair of tubular type on turning unit for assembly around horizontal shaft intermittent rotary by driven by servomotor, and the size that this assembly can corresponding corresponding production product exchanges freely.

Have again, in order to solve the 3rd problem of the present utility model, the utility model that the wrapping machine of technical scheme 3 relates to is characterised in that, this device for hanging bag is by forming below: at one end portion is installed with a suction inlet and makes it keep a pair of suction inlet pivot shaft of position in opposite directions respectively; Make suction inlet pivot shaft keep the suction inlet holding member freely rotating; Connect the gangbar parts of the other end of a pair of suction inlet pivot shaft; The cam passive element being connected with gangbar parts; The lobe plate that guides this cam passive element to move in cam path; Change the variable-position cylinder device of lobe plate position.This device for hanging bag is configured to, it is mobile by suction inlet holding member is come and gone along predetermined path, and the mobile stop position at suction inlet holding member changes lobe plate position by the work of variable-position cylinder, and a pair of suction inlet can be switched between bonding state and released state.

Utility model effect

The utility model relating to according to the wrapping machine of technical scheme 1, supply conveyer is configured to: and row arrangement the second chain that multiple front-side pins the first chains is equidistantly installed and multiple backside pins are equidistantly installed, to drive the reference side sprocket wheel of the first chain and drive the variable side chain wheel of the second chain to be arranged at freely axle drive shaft via tooth clutch interlock, work discontinuously by making tooth clutch, can adjust the interval of the backside pins of the front-side pins of the first chain and the second chain, so can freely change the interval of adjacent pair of pin in the case of will changing the quantity of the product of supplying with supply conveyer, it is the wrapping machine of the supply conveyer at front-side pins and backside pins interval.

The utility model relating to according to the wrapping machine of technical scheme 2, the tubular type of wrapping machine comprises for device: the turning unit that is done intermittent rotary by servomotor control around horizontal shaft; The a pair of tubular type being releasably connected on this turning unit replaces parts, and this pair of tubular type can correspondingly be changed according to the size of the size of bag and/or product for parts.So this tubular type has in the case of being replaced by simply having changed the packaging product of the size of bag and/or the size of product for device, the tubular type of corresponding size replaces and the tubular type of input port replaces parts.

The utility model relating to according to the wrapping machine of technical scheme 3, the device for hanging bag that this wrapping machine possesses, comprising: at one end portion is separately installed with a suction inlet and makes it keep a pair of suction inlet pivot shaft of relative position; The suction inlet holding member that can keep suction inlet pivot shaft freely to rotate; Connecting the gangbar parts between the other end of this pair of suction inlet pivot shaft; The cam passive element being connected with gangbar parts; The lobe plate of the cam path that bootable cam passive element moves; Change the variable-position cylinder device of lobe plate position.This device for hanging bag by making suction inlet come and go mobile along predetermined path and change lobe plate position at the mobile stop position of suction inlet by variable-position cylinder device, can switch a pair of suction inlet between bonding state and released state.The wrapping machine that possesses this device can smooth opening the package in the situation that being difficult for producing bad contact and wearing and tearing.

Accompanying drawing explanation

Fig. 1 is the integrally-built lateral plan that represents wrapping machine.

Fig. 2 is the lateral plan of supplying with conveyer.

Fig. 3 is the cutaway view of the A-A face of Fig. 2.

Fig. 4 is the lateral plan of tubular type for device.

Fig. 5 is the birds-eye view of tubular type for device.

Fig. 6 is the front view of tubular type for device.

Fig. 7 is the lateral plan of device for hanging bag.

Fig. 8 is the birds-eye view of device for hanging bag.

What Fig. 9 represented is the schematic diagram of the travel mechanism of the suction inlet of device for hanging bag.

Figure 10 is the motion track figure of the device for hanging bag suction inlet of the B-B face of Fig. 9.

Figure 11 represents in the product of the stacked specified quantity of fore-and-aft direction is filled in bag and by the packaging process figure of the sealing of packaging bag.

Figure 12 represents in the product of the stacked specified quantity of above-below direction is filled in bag and by the packaging process figure of packaging bag enclosing.

Description of reference numerals:

(wrapping machine)

The specific embodiment

Describe preferred implementation of the present utility model in detail below with reference to accompanying drawing.In figure, identical Reference numeral represents part identical or roughly the same.

The basic comprising of the wrapping machine that as shown in Figure 1, embodiment of the present utility model relates to comprises: the bag making device of manufacturing the packaging bag of holding predetermined quantity product; Be used for dropping into packaging bag specified quantity product to complete the device of packaging product with transmitting.

First, as shown in Figure 1, in the wrapping machine of embodiment of the present utility model, for the manufacture of hold specified quantity product 17 bag 18(with reference to Figure 11) bag making device main composition have: cover tangle tubular synthetic resin masking reel 1 and by film 1A derive drum shaft 2; Apply the dance roller 3 of tension force to film 1A; The tortuous correct equipment 4 that the complications of film 1A are proofreaied and correct; The roulette of processing roulette on film 1A forms device 5; To carrying out the bag sealing arrangement 6 of bag heat-sealing on film 1A; With film 1A is pressed to the extraction cutter sweep 7 that predetermined length is extracted out and cut off.

The bag making device (1～7) of manufacturing the bag 18 of filling predetermined quantity product 17 is arranged on respectively wrapping machine framework 15 according to said sequence.

Then the packaging bag 18, being produced by bag making device (1～7) is replaced on device 10 in tubular type by device for hanging bag 11 hanging sleeves described later.

In addition, in the wrapping machine that embodiment of the present utility model relates to, supply with the products 17 of predetermined quantities as the bag 18 to being produced by bag making device (1～7) and manufacture packaging product 19(with reference to Figure 11) the main composition of device have: the supply conveyer 8 of supplying with predetermined quantity product 17; Be disposed at the jacking system 9 of the downstream end of supplying with conveyer 8; On above-below direction, possess a pair of tubular type for 38(with reference to Fig. 4) tubular type for device 10; Packaging bag 18 covers are suspended to a pair of tubular type and replace the device for hanging bag 11 on 38; By being filled in packaging bag 18 by the predetermined quantity product 17 of jacking system 9 liftings, the packaging bag 18 of having filled predetermined quantity product 17 is released to the pusher 12 of hot sealing device 13; The open end of packaging bag 18 that is filled with predetermined quantity product 17 is sealed to the hot sealing device 13 of packaging product 19; And the discharge conveyer 14 that is arranged on the downstream of closing device 13 and the packaging product 19 that is filled with predetermined quantity product 17 is discharged from wrapping machine.

These each devices (8～14) of manufacturing packaging product 19 are also installed on wrapping machine framework 15 with the order of regulation respectively.

Have again, in the wrapping machine relating at embodiment of the present utility model, will be to as shown in Fig. 1 and Figure 11, the product of predetermined quantity stacked on fore-and-aft direction 17 is filled in packaging bag 18 and is described with the technological process that completes packaging product 19, this explanation is equally also applicable to as shown in figure 12, and predetermined quantity product 17 stacked on above-below direction is filled in packaging bag bag 18 to complete the situation of packaging product 19.

Below each the wrapping machine that formation the utility model is related to device is described.

The following description has been omitted the detailed description of the each device beyond the supply conveyer 8 relevant to problem to be solved in the utility model, bucket device 10 and device for hanging bag 11.

The formation of the bag making device (1～7) of the wrapping machine that first, the utility model relates to mainly contains: the drum shaft 2 that cover tangles film reel 1 and film 1A is derived; Apply the dance roller 3 of tension force to film 1A; The tortuous correct equipment 4 that the complications of film 1A are proofreaied and correct; The roulette of processing roulette on film 1A forms device 5; Film 1A is sealed to the bag hot sealing device 6 of bag; And film 1A is pressed to the extraction cutter sweep 7 that predetermined length is extracted out and cut off.

Film reel 1 is that the synthetic resin made membrane 1A of tubulose is wound as to cylinder shape, and this film reel 1 cover hangs in the drum shaft 2 that is fixed on wrapping machine framework 15.One end of drum shaft 2 is connected with the motor for indicating in figure, thereby makes drum shaft 2 rotate that film is derived from film reel 1 by drive motor.

Afterwards, the tubular synthetic resin made membrane 1A deriving from film reel 1 detours in dance roller 3, and by the suitably tension force of corrective action on film 1A of this dance roller 3.

Then, in tortuous correct equipment 4, the side edge part along throughput direction of the film 1A by dance roller 3 is detected, in the time detecting that film 1A has tortuous situation, the complications of calbrating film 1A are also transmitted roulette formation device 5.

It is the easily devices in Kaifeng of packaging product 19 that make the product 17 that is filled with predetermined quantity at the seal opening portion processing roulette of packaging product 19 that roulette forms device 5,, forms roulette along the throughput direction (left and right directions of Fig. 1) of film 1A on film 1A here.

Bag sealing arrangement 6 possesses from the upper and lower a pair of heat-sealing parts (internal heater) of above-below direction clamping film 1A, and sealing parts are installed in the direction perpendicular with the throughput direction of film 1A.Sealed on the processed film 1A that has roulette by bag sealing arrangement 6, producing in the direction perpendicular with film 1A throughput direction and form heat-sealing portion.In this situation, it is long that the heat-sealing portion of film 1A has the bag of the interval of predetermined distance, i.e. a packaging bag 18 of holding the product 17 of predetermined quantity.

Extract cutter sweep 7 out the cutting knife that film 1A is cut off by predetermined length is installed, and the servomotor that control is extracted film 1A out with the mode work of intermittently extracting out is installed.Drive servomotor by intermittent work, intermittently extract the film 1A that is processed with roulette and sealing with predetermined space out, near the sealing on film 1A, cut off to form the bag 18 of predetermined length.In this extraction cutter sweep 7, the upstream side of the bag 18 having cut off by predetermined length is kept the state of opening by both seals downstream.

Have, in extraction cutter sweep 7, the tension force acting in the time intermittently extracting film 1A out on film 1A is adjusted by above-mentioned dance roller 3 again.

In addition the device (8～14) of manufacture packaging product that, relates to wrapping machine of the present utility model is by forming below: the supply conveyer 8 of supplying with the product 17 of stacked predetermined quantity on fore-and-aft direction; Be disposed at the jacking system 9 of the downstream end of supplying with conveyer 8; On above-below direction, possess a pair of tubular type for 38(with reference to Fig. 4) tubular type for device 10; Packaging bag 18 covers are hung over to the device for hanging bag 11 that a pair of tubular type replaces on 38 and keeps hanging bag state; The product 17 of the predetermined quantity by jacking system 9 liftings is filled in packaging bag 18 and the packaging bag 18 of product 17 that is filled with predetermined quantity is released the pusher 12 of closing device 13; The hot charging that the open end of packaging bag bag 18 of product 17 that is filled with predetermined quantity has been sealed to packaging product 19 puts 13; And be installed on the downstream of hot sealing device 13 and by be filled with predetermined quantity product 17 packaging product 19 from wrapping machine discharge discharge conveyer 14.

Here first describe for relating to device in the device (8～14) of manufacture packaging product of wrapping machine of the present utility model, that supply with beyond conveyer 8, bucket device 10 and device for hanging bag 11.

First, jacking system 9 is provided with by belt and the lifter plate being connected by servomotor, the drive belt that this lifter plate drives the intermittence by servomotor rotates it is moved up and down between device 10 supplying with conveyer 8 and thrust unit 12 and tubular type, this lifter plate is being supplied with the downstream end of conveyer 8, is arranged on and is supplying with between the front-side pins 22 and backside pins 23 of conveyer 8.

When the product 17 by supplying with the predetermined quantity supplied with of conveyer 8 replaces while being lifted between device 10 in thrust unit 12 and tubular type, in the time that the supply conveyer 8 intermittently driving stops, driving servomotor control lifter plate that the product 17 of the predetermined quantity that arrives the downstream end of supplying with conveyer 8 is raised between thrust unit 12 and bucket device 10.

When tubular type replaces the tubular type of device 10 belows to be positioned at product filling position for 38, thrust unit 12 is filled mouth 40 with tubular type for the product of device 10 and is positioned on same axis.In addition, thus pusher 12 is provided with by being connected with servomotor by belt to be controlled and carries out back and forth movement push rod.

In the product of predetermined quantity 17 is filled into packaging bag 18 time, by jacking system 9 liftings product 17 the product of thrust unit 12 and bucket device 10 fill between mouth 40 time, the push rod of controlling pusher 12 advances, the product of predetermined quantity 17 is pushed and be packed into cover and hang over tubular type for the tubular type of device 10 in the bag 18 for the open state on 38, thereby complete the product 17 at the interior filling predetermined quantity of packaging bag 18.

Then, the push rod of control thrust unit 12 moves on and the packaging bag 18 of the product 17 that is filled with predetermined quantity is released to hot sealing device 13.The bag 18 of the product 17 that is filled with predetermined quantity is being released after closing device 13, and the push rod of controlling thrust unit 12 returns to initial position, and a circulation of the release operation of the product 17 that so thrust unit 12 carries out finishes.

Closing device 13 be arranged on tubular type for the product of device 10 fill mouthfuls 40 be located along the same line and tubular type in being positioned at below near 38.In addition, hot sealing device 13 is provided with from above-below direction and clamps the open end of packaging bag 18 of the product 17 that is filled with predetermined quantity and a pair of heat-sealing parts that seal.

And these a pair of heat-sealing parts, be connected with a pair of rod unit, this rod unit be connected with driven by servomotor by rocking bar, drive servomotor control rocking bar to swing rod unit is moved up and down, thereby make to move between the heat-sealing parts bonding state that is connected with this pair of rod unit and released state.

In the time the open end of packaging bag 19 of product 17 that accommodates predetermined quantity being sealed by closing device 13, the open end of the bag 18 of the product that is filled with predetermined quantity 17 of being released by the push rod of pusher 12 is between a pair of heat-sealing parts, by driving servomotor indirectly to control, a pair of heat-sealing parts are approached, clamp the open end of packaging bag bag 18 and the open end of bag 18 is sealed from above-below direction, thereby completing packaging product 19.

Discharge conveyer 14 and be arranged near of closing device 13, and by by hot sealing device 13 by sealing open the packaging product 19 of the product that is filled with predetermined quantity 17 discharge from wrapping machine.

Secondly, the supply conveyer 8 that relates to wrapping machine of the present utility model is described according to Fig. 1～Fig. 3.

Supply conveyer 8 is provided with side by side and is equidistantly fixed wtih multiple front-side pins 22 first chains 20 and is equidistantly fixed with multiple backside pins 23 second chains 21, to drive the reference side sprocket wheel 24 of the first chain 20 to link and be installed on freely axle drive shaft 27 through full position tooth clutchs 28 with the variable side chain wheel 25 that drives the second chain 21, by full position tooth clutch 28 is worked discontinuously, freely adjust the interval S of the front-side pins 22 of the first chain 20 and the backside pins 23 of the second chain 21.

As shown in Figures 1 and 2, supply with conveyer 8 and be installed on conveyor apparatus frame 16, this conveyor apparatus frame 16 is assembled in wrapping machine framework 15.

As shown in Figures 2 and 3, in conveyor apparatus frame 16, the axle drive shaft 27 that can rotate freely by bearing is installed above its one end, below axle drive shaft 27, is provided with one and can supports the pivot shaft 29 that driven sprocket 30 rotates freely simultaneously.In addition, above the other end of conveyor apparatus frame 16, dispose another pivot shaft not indicating in figure, this is supporting another one can rotate movable sprocket 31 freely along this axle.

In addition, servomotor 26 for conveyer is installed in conveyor apparatus frame 16, axle drive shaft 27 is directly connected on this servomotor 26.

And on axle drive shaft 27, the reference side sprocket wheel 24 that can rotate with axle drive shaft 27 one is installed, and on axle drive shaft 27, by bearing, the variable side chain wheel 25 that relative drive shaft 27 can rotate freely is being installed with the corresponding position of reference side sprocket wheel 24.

Have, the full position tooth clutch 28 rotating with axle drive shaft 27 one is installed on axle drive shaft 27, variable side chain wheel 25 can be connected freely and disconnect with full position tooth clutch 28.

Between the on-stream period of supplying with conveyer 8, switch on, full position tooth clutch 28 is connected with variable side chain wheel 25, and conveyer drives axle drive shaft 27 to rotate with servomotor 26, makes to become side chain wheel 25 and keeps synchronous rotary with reference side sprocket wheel 24.

In addition, the first chain 20 between reference side sprocket wheel 24 and driven sprocket 30,31, and the second chain 21 non-interfering motion of detouring respectively between variable side chain wheel 25 and driven sprocket 30,31, this first, second chain 20,21 is installed in parallel in conveyor apparatus frame 16 side by side.

And with fixed interval, multiple front-side pins 22 are installed on the first chain 20, and with same fixed interval, multiple backside pins 23 are installed at the second chain 21.

As shown in Figure 2, the product 17 of predetermined quantity is fixed between front-side pins 22 and backside pins 23 and keeps this state to be transported to jacking system 9.

Next the operation that need carry out in the time changing the quantity of the product of carrying at supply conveyer 8 the related wrapping machine of the utility model is described.

In the time that the quantity that is filled in the product 17 in packaging bag 18 changes, adjust backside pins 23 fixing on front-side pins 22 fixing on the first chain 20 and the second chain 21 between interval make it adapt to the quantity of the product 17 being filled in packaging bag 18 and then complete packaging product 19.

In this situation, first, remove full position tooth clutch 28 and make its separation with being connected of variable side chain wheel 25, become the state of side chain wheel 25 in rotating freely with respect to axle drive shaft 27.Under this state, keep maintaining static the second chain 21 mobile under state and that variable side chain is taken turns 25 interlocks at the first chain 20, thereby adjust the interval that changes backside pins 23 fixing on front-side pins 22 fixing on the first chain 20 and the second chain 21, to adapt to the quantity of the product 17 after change.

The interval of backside pins 23 fixing on front-side pins 22 fixing on the first chain 20 and the second chain 21 is adjusted into change after behind the interval of quantity Matching of product 17, full position tooth clutch 28 is worked, and full position tooth clutch 28 is connected with variable side chain wheel 25.

And because full position tooth clutch 28 is fixedly linked with axle drive shaft 27, therefore variable side chain wheel 25 also becomes with axle drive shaft 27 and is fixedly linked, and makes variable side chain wheel 25 can under the corresponding interval state of the quantity that maintains the product 17 after change, keep synchronous rotary with reference side sprocket wheel 24.

As mentioned above, the supply conveyer 8 of the wrapping machine that the utility model relates to, changing when supplying with the product quantity that conveyer 8 supplies with, only need to change the interval S of front-side pins 22 and backside pins 23, just can tackle easily the number change of the product 17 of carrying to jacking system 9.

To the tubular type of the related wrapping machine of the utility model be described for device 10 below.

Tubular type is hung on tubular type for 38 on by device for hanging bag 11 keeping its open state to trap by the packaging bag 18 of being manufactured by bag making device (1～7) for device 10, and by be filled in from the product 17 of supplying with the predetermined quantity that conveyer 8 supplies with tubular type in the packaging bag 18 of maintenance open state.

As shown in Fig. 4～Fig. 6, tubular type comprises for the formation of device 10: the turning unit 36 being connected for the axle drive shaft of device servomotor 35 with tubular type; The tubular type of installing with a pair of relative position centered by this turning unit 36 replaces holding member 37, and centered by turning unit 36, install relatively with the angle of 180 degree position.

As shown in Figure 4, tubular type is installed with horizontality for the axle drive shaft of the servomotor 35 of device 10, and rotary plate 36 does intermittent rotary motion by the drive shaft of servomotor 35 around horizontal shaft.

In addition, as shown in Fig. 4 and Fig. 6, turning unit 36 and tubular type are for holding member 37, and by fixing link 45 and being connected of rotary plate side direction link 44 of holding member, each tubular type can carry out free handling with respect to turning unit 36 for holding member 37.

As shown in Figures 5 and 6, be processed with product in tubular type for the position of holding member 37 substantial middle and fill mouth 40, and respectively there is pair of openings portion 46 both sides of filling mouth 40 at product, tubular type is releasably arranged on product for 38 by multiple links and fills around mouth 40.

Tubular type replaces 38 by forming with lower member specifically: the substrate 47 consistent with the shape of product filling mouth 40; Can 42 do freely closed a pair of cylindrical member parts parts 39 with respect to this substrate 47 around the shaft; And the Compress Spring 43 that can to cylindrical member parts 39 application of forces, its one-tenth be opened to this.

And fill under mouthful 40 states that are connected with substrate 47 for the product of holding member 37 in tubular type, the position of peristome 46 is determined by the position of the end (end relative with bucket holding member 37) of each cylindrical member parts 39.

Have again, as shown in Figure 1, replace 38 positions and the state of device for hanging bag 11 in relative position in tubular type (in Fig. 1 for the tubular type of a side of device 10, a bucket 38 is positioned at the state of top) under, fill the peristome 46 of mouthful both sides for product on holding member 37 through tubular type with the piston rod (with reference to Fig. 1) of air cylinder device 10A, and then push the end of each cylindrical part 39, make a pair of cylindrical part 39 change the top ends of a pair of bucket cylindrical part 39 closure state near each other (in Fig. 5 illustrated in dotted line) into from the open mode opened completely (Fig. 5 illustrated in solid line).

Tubular type in the wrapping machine that the utility model is related to is replaced to device 10 below, the operation when size of bag and/or product matches ground describes.

Wrapping machine in work, is using with the size of bag 18 and the size of filling product 17 matches in bag 18 tubular type for 38 tubular type for device 10.

In this situation, drive the intermittence that tubular type passes through servomotor 35 for device 10, a pair of tubular type is located on above-below direction for 38, make the tubular type of its top be positioned to the position relative with device for hanging bag 11 for 38, in addition the tubular type that is positioned at below is positioned to the position relative with thrust unit 12 for 38.

Under this state, in the time manufacturing the bag 18 of packaging product 19 and/or the size of product 17 and change, the tubular type that only need take off existing use from turning unit 36 is for holding member 37, and the tubular type matching with the size of bag 18 to be changed and/or product 17 is installed on turning unit 36 for holding member 37 for 38 tubular type.

As mentioned above, the tubular type of the wrapping machine that the utility model relates to is for device, because a pair of tubular type can freely load and unload with turning unit 36 for holding member 37, if so there is the tubular type of multiple different sizes to replace holding member 37 for 38 tubular type, in the time wanting to change the size of bag 18 and/or product 17, only the tubular type of use 36 need be taken off from turning unit for holding member 38, and the tubular type that replaces with different size for 38 tubular type for holding member 37, just can tackle easily bag 18 and/or the product 17 of different size.

Next, the device for hanging bag of the wrapping machine that the utility model is related to 11 is described.

Device for hanging bag 11 is opened the open end of packaging bag 18 of being manufactured by bag making device (1～7) from the state of remaining silent, and by the packaging bag of opening 18 with open mode cover be suspended to tubular type for the tubular type of device 10 on 38.

As shown in Fig. 7～Figure 10, the basic comprising of device for hanging bag 11 comprises: a pair of suction inlet 55 of configuration in opposite directions; Be connected with a pair of suction inlet pivot shaft 57 of a suction inlet 55 in its one end; Keep each suction inlet pivot shaft 57 suction inlet holding member 58 free to rotate; Gangbar parts 60 between the other end of connection suction inlet pivot shaft 57; The cam passive element 61 being connected with gangbar parts 60; Be processed with the lobe plate 63 of the cam path 62 of guiding cam passive element 61 path of motions; With the air cylinder device 64 that makes lobe plate 63 displacements.

Suction inlet drives belt 68 motions to make suction inlet holding member 58 come and go mobile (shown in the arrow of Fig. 7) along guide rail (predetermined path) 59 with servomotor 65, stop mobile initial position of readiness at suction inlet holding member 58 and by variable-position cylinder device 64, lobe plate 63 is shifted, thereby can make a pair of suction inlet 55 switch between the state (the R state of Figure 10) of combination and the state (the F state of Figure 10) of separation.

First, as shown in figure 10, the a pair of suction inlet 55,55 that forms device for hanging bag 11 is connected to respectively an end of suction inlet pivot shaft 57 via parallel bar parts 56, when suction inlet 55 switches between the state of combination and the state of separation, the suction inlet face of suction inlet 55 is the state of relative level while keeping always.

Another of suction inlet pivot shaft 57 is distolateral can freely rotate around axle center being held on suction inlet holding member 58 due to bearing being installed, and is connected by gangbar parts 60 between the other end of suction inlet pivot shaft 57.

Gangbar parts 60 are made up of three rod units, in three rod units, as one end of the rod unit that is positioned at upper and lower sides in Figure 10 is connected with one end of suction inlet retainer shaft 57.The other end of the rod unit of upper and lower sides connects in free revolution mode with respect to being positioned at central rod unit.

And be positioned at as shown in figure 10 the other end of the suction inlet pivot shaft 57 of below, be fixedly connected with one end of cam passive element 61, out of shape in the cam path 62 of lobe plate 63 at the cam follower that the other end of cam passive element 61 is set.

Lobe plate 63 can move freely to install on respect to wrapping machine framework 15 vertical direction and is arranged on framework, and lobe plate 63 is connected with the piston rod that is installed on the variable-position cylinder device 64 on wrapping machine framework 15, the telescopic band moving cam plate 63 of the piston rod of variable-position cylinder device 64 can be at above-below direction (Fig. 9,10 above-below direction) superior displacement.By being moved up and down, lobe plate 63 adjusts the interval of a pair of suction inlet 55.

On the upper rail that is arranged on wrapping machine framework 15 (predetermined path) 59 that suction inlet holding member 58 can move freely on left and right directions (left and right directions shown in the arrow of Fig. 7).

In addition, the suction inlet servomotor 65 and the flower wheel 67 that connect drive wheel 66 are installed at wrapping machine framework 15, belt 68 has detoured between drive wheel 66 and flower wheel 67.Suction inlet is with the belt 68 of suction inlet holding member 58 upper ends that are being dynamically connected with the connected drive wheel 66 of servomotor 65, and suction inlet holding member 58 can move up at right and left along guide rail 59.

The mode of operation of the device for hanging bag 11 of the wrapping machine that embodiment of the present utility model is related to describes.

First, drive lobe plate 63 to move downwards by the work of variable-position cylinder 64, now a pair of suction inlet 55 of device for hanging bag 11, from the bonding state shown in the R of Figure 10, becomes the state that has the primary position of predetermined gap between suction inlet 55.Under this state, suction inlet maintaining part 58 stops mobile (initial stop position).

Have the initial condition of predetermined gap between this pair of suction inlet 55 time, the packaging bag bag 18 of being manufactured by bag making device (1～7) is supplied to the position between the gap that makes the open end of this bag 18 be positioned at a pair of suction inlet 55 by extracting cutter sweep 7 out.

Then, variable-position cylinder device 64 is worked and lobe plate 63 is moved upward, a pair of suction inlet 55 is displaced to the bonding state shown in the R of Figure 10, a pair of suction inlet 55 by the open end of bag 18 state from above-below direction clamping.Under this state, make a pair of suction inlet 55 from upper and lower both sides suction bag 18.

Then, make suction inlet servomotor 65 work make suction inlet holding member 58 along guide rail 59 movement of advancing, 55 of a pair of suction inlets are driven the movement of advancing along the motion track T of Fig. 7 and Figure 10.Like this, along with a pair of suction inlet 55 from bonding state R to away from state F along the displacement of motion track T, the state of remaining silent supply with packaging bag 18 be opened glibly.

The packaging bag 18 of open mode the F position of Figure 10 quilt cover hang over tubular type for the tubular type of device 10 for 38 on and be held in open mode tubular type for 38 on.

Then, stop the attraction action of a pair of suction inlet 55 and make 64 work of variable-position cylinder device that lobe plate 63 is moved downwards, a pair of suction inlet 55 separates from the top and bottom of bag 18.Under this state, suction inlet holding member 58 also stops (mobile stop position) in the shift position of advancing.

Then, suction inlet servomotor 65 is worked, make suction inlet holding member 58 keep out of the way movement along guide rail 59, a pair of suction inlet 55 is kept out of the way movement along motion track T, a pair of suction inlet 55 changes bonding state into and gets back to the state of initial position from released state, and device for hanging bag 11 end-around carry finishes like this.

As mentioned above, the device for hanging bag of the wrapping machine that the utility model relates to, by making suction inlet holding member 58 come and go mobile and drive lobe plate 63 to be shifted at the mobile stop position of suction inlet holding member 58 by variable-position cylinder device 64 along predetermined path (59), thereby can make a pair of suction inlet 55 switch between away from state F at bonding state R, open from smoothness so can reduce the bag 18 that makes of bad contact and wearing and tearing.

Finally, the overall work mode of the related wrapping machine of the utility model is described.

Each device of the related wrapping machine of the utility model, by following process sequence work, is manufactured the packaging product 19 of the product 17 that is filled with predetermined quantity.

(1) first, in the bag making device (1～7) of wrapping machine, the film 1A of the tubular synthetic resin system deriving from film reel 1, detouring after dance roller 3, with tortuous correct equipment 4, the complications of film 1A are proofreaied and correct, finally, deliver to roulette and form device 5.

(2) form device 5 at roulette, in order conveniently to tear the packaging product 19 of the product 17 that is filled with predetermined quantity, on film 1A, process roulette.Roulette is along the throughput direction processing of film 1A.

(3) then, the film 1A that is processed with roulette is delivered to bag hot sealing device 6, by a pair of heat-sealing parts of installing up and down of bag hot sealing device 6, on film 1A, in the direction vertical with the throughput direction of film 1A, process heat-sealing portion.The interval of the sealing of film 1A has certain required distance and forms at the interval of a bag.

(4) then, the film 1A that is processed with roulette and sealing is delivered to and extracts cutter sweep 7 out, be cut to packaging bag 18 near of the processed heat-sealing portion of film 1A according to predetermined length.

Extract cutter sweep 7 out, film 1A is extracted out with predetermined space (interval of a bag), the film 1A that is processed with roulette and sealing is cut into the packaging bag 18 of upstream side seal downstream open state.

(5) afterwards the packaging bag 18 that is formed as predetermined length by extracting cutter sweep 7 out is delivered to device for hanging bag 11, then, be supplied to tubular type for device 10 by device for hanging bag 11.

(6) simultaneously, be supplied to tubular type for device 12 and be filled into hanging sleeve in tubular type for the tubular type of device 10 in the packaging bag 18 on for 38 for the rear product of device 10 by supplying with conveyer 8, jacking system 10 and tubular type for the product 17 that is filled in bag 18 predetermined quantity.

(7) then, the packaging bag 18 of the product 17 that is filled with predetermined quantity is pushed out to final hot sealing device 13 by pusher 12, the open side of bag 18 of the product 17 that accommodates predetermined quantity has been sealed packaging product 19 by final hot sealing device 13.

Packaging product 19 can as shown in figure 11, by the product of predetermined quantity stacked on fore-and-aft direction 17 being filled in bag 18, also can as shown in figure 12, be filled into the product of predetermined quantity stacked on above-below direction 17 in bag 18 and manufacture.

(8) afterwards the packaging product 19 of the each operation manufacture by above is discharged from wrapping machine by discharging conveyer 14 subsequently.

The wrapping machine that the utility model relates to Composition of contents as described above substantially; but; and not exclusively limit to above-mentioned mode of operation, and can carry out as required each device of appropriate change formation wrapping machine, the device after change and action are also contained in protection domain of the present utility model certainly.

Claims (1)

1. a wrapping machine, is characterized in that, possesses tubular type for device,

This tubular type comprises for device: turning unit, and it can be around horizontal shaft intermittent rotary by driven by servomotor; For holding member, this pair of tubular type can be changed according to the size of the size of bag and/or product for holding member with a pair of tubular type being releasably connected with respect to this turning unit.

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