CN2498075Y

CN2498075Y - Pillow shaped thermal melting adhesive packing apparatus

Info

Publication number: CN2498075Y
Application number: CN 01221360
Authority: CN
Inventors: 王胜义
Original assignee: Cherng Tay Technology Co ltd
Current assignee: Cherng Tay Technology Co ltd
Priority date: 2001-06-11
Filing date: 2001-06-11
Publication date: 2002-07-03
Anticipated expiration: 2011-06-11

Abstract

The utility model relates to a packaging device for a pillow type melt adhesive. The melt adhesive materials and coating materials are mainly supplied by the main and auxiliary extruder units or a pump and an extruder unit, and the materials are extruded to a feed-in head or an extruder-head. Before the melt adhesive is extruded, a protection film is coated on the external diameter, and is input directly into a cooling tank to be precooled, and before totally solidified, a seal-cutting device is used for pressing, sealing, and cutting to form a pillow type melt adhesive block with two flat ends which is transported to a transportation belt to be cooled into room temperature and sent to the water surface to be dried, thus forming a continuous and automatic production of the pillow type melt adhesive block.

Description

The packaging facilities of pillow type hotmelt

The utility model relates to a kind of packaging facilities of pillow type hotmelt, relate in particular to a kind of major and minor extruder unit or pump and extruder unit of utilizing and utilize common bonded assembly coextrusion die head again after the raw materials melt for binder materials and coating material respectively, when this hot-melt adhesive is continuously extruded, promptly be coated with film and directly cooperate cooling bath and sealing-cutting device, do not give pressing before the complete curing as yet and cut into the packaging facilities of the section piece of pillow type packing at hotmelt in the surface.

Hotmelt (being commonly called as hot melt adhesive) is a kind of purposes adhesives quite widely.The characteristics of this class hotmelt are: generally use with fusion or liquid state, then be the solid shape at ordinary times.Thereby this class adhesives is generally with the form supply the market of bulk, but because it has viscosity, so block adhesives may glue in transporting the way mutually, dirts such as distortion, attached outstanding dust, even viscosity and viscosity are subjected to the influence of external factor (as air, temperature, humidity) and reduce.Therefore, this class adhesives is a kind of reasonable mode with the block supply the market of being protected by glued membrane, and it forms inviscid, the non-caking structure in surface, and advantage is apparent.

As announcing at No. the 5373682nd, US Patent and Taiwan patent gazette in No. 298582 patent of invention, a kind of continuous method for packing of hotmelt is disclosed.As shown in Figure 6, its water-solubility membrane 8 passes through a series of guide wheels 81, and utilizes guide wheel 81 to make this water-solubility membrane 8 become carefully and neatly done level and smooth, and controls the tension force that needs.Subsequently, this water-solubility membrane 8 enters film folding device 82, and it is cylindric to cooperate body 801 to become, and by hot air sealing or ultrasonic welding, and then the spray coolant air seals typing.After the sealing typing, cylindrical water-solubility membrane 8 cooperates expanded ring 83, leads the effect of film frame 84 and driving wheels 85, this water-solubility membrane pipe is driven downwards until body 801 bottoms, to send into by opening and closing clip wheel 86 folders by the heat of fusion melt adhesive that liquid pump is delivered to and restraint in the pipe of bag 87, and by around cooling mechanism 88 carry out cooling and shaping, behind opening and closing clip wheel 86 unclamps and bag 87 the descends preset distance, opening and closing clip wheel 86 clamping once more makes bag 87 two ends all sealed, cut off with shutoff device 89 again, fall to and be cooled to room temperature in the tank.Wherein, be provided with cooling jet 80 outside the bag of this shutoff device 89 before cut-out, so that continue to carry out cooling and shaping.

As can be seen, still there are a lot of shortcomings in this equipment in the practical application of manufacturing process:

1, water-solubility membrane must prepared beforehand be finished; Can increase waste material and cost unavoidably in its preparation process and the storage and transport process;

2, utilize hot-melt adhesive that liquid pump delivers to when entering the water-solubility membrane pipe, the temperature of hot-melt adhesive is subjected to the restriction of water-solubility membrane thickness, and promptly mismate causes breaking of water-solubility membrane and adhesives is excessive or the protruding arch distortion of outward appearance most probably;

3, for fear of producing above-mentioned shortcoming, most applications is that water-solubility membrane is suitably thickeied, but the film thickening will directly influence the hotmelt fusion speed in heating kettle in the future, so have many problems in actual the use;

4, the also directly influence and the ratio of hotmelt of the thickness of water-solubility membrane, thickness is thick more, and content is high more, will have a strong impact on the prescription and the quality of hotmelt.

Main purpose of the present utility model is to provide a kind of packaging facilities of pillow type hotmelt, and glued membrane and adhesives piece can be realized combining closely, and the thickness that is coated on the exterior film of adhesives can adjust as required, is a kind of continuous automated packaging equipment.

According to the technical solution of the utility model, this packaging facilities includes the main extruder that is used for the fusion hot-melt adhesive, is used for secondary extruder, coextrusion die head, cooling bath, sealing-cutting device and load-transfer device that fusion can form the clad material of glued membrane; The discharge end of main extruder and secondary extruder connects the coextrusion die head jointly, is provided with the mesopore that runs through in this coextrusion die head, and this mesopore upper end is connected with the main extruder discharge nozzle, and the lower end forms discharging opening; Also be provided with cross-drilled hole in this coextrusion die head, the discharge end of this cross-drilled hole auxiliary connection extruder; Also being provided with the clad material that makes in the secondary extruder in this coextrusion die head is extruded and forms the discharging trough be coated on from the glued membrane of the hotmelt appearance of main extruder, this discharging trough top is connected with cross-drilled hole, and the bottom is connected with discharging opening by the oblique cone finedraw of adjustable gaps.

According to packaging facilities of the present utility model, by major and minor extruder difference melting heat melt adhesive and glued membrane, make it to be the magma shape and make the hotmelt appearance of continuous discharging directly be coated with one deck tubular glued membrane in the junction of coextrusion die head, by cooling bath precooling and sealing-cutting device, not completely crued round strip hotmelt gives complete pressing sealing and cuts into pillow type hotmelt block as yet.

The composition of the packaging facilities that provides according to the utility model, in implementation process, utilize main, two extruder groups of secondary extruder are sent into respectively in the common bonded assembly coextrusion die head by its discharge nozzle for the raw material of melting heat melt adhesive raw material and coating material respectively, before hotmelt is extruded by the discharging opening of the compound die mesopore in the coextrusion die head, coat that material is also extruded by the oblique cone finedraw of spiral discharging groove and together be extruded into precooling in the cooling bath in appearance by discharging opening with freely forming the hotmelt that a cylindrical thin-film is coated on round bar shape, cooperate the turnover of turnover wheel and sealing-cutting device, make not completely crued as yet hotmelt be subjected to pressing sealing simultaneously and cut into predetermined length together with the coating material film that coats, and the pillow type hotmelt block of two ends flats, and fall to and be cooled to room temperature in the tank once more, cooperate the inclination of load-transfer device and raise gradually and send the liquid level of cooling bath, drain and fall to and concentrate groove to do to concentrate and vanning.

According to the technical solution of the utility model, the major and minor unit of extruding wherein also can be pump and extruder unit.

Wherein, hotmelt is that poly-mer and copolymer modulation form; And glued membrane can be ethene one acetate ethylene copolymer, or polyethylene, or ethene one acetate ethylene copolymer and poly mixture.

The explanation of accompanying drawing drawing

Fig. 1 forms scheme drawing for the utility model equipment.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 implements the generalized section of state for the utility model.

Fig. 4 is the schematic appearance of finished product that the utility model is made.

Fig. 5 is the generalized section of finished product that the utility model is made.

Fig. 6 is the scheme drawing of prior art equipment.

Describe realization of the present utility model in detail below in conjunction with preferred embodiment and accompanying drawing.

At first, see also Fig. 1-shown in Figure 3, the utility model is formed by combining by main extruder 1, secondary extruder 2, coextrusion die head 3, cooling bath 4, sealing-cutting device 5 and load-transfer device 6; The common extrusion die 3 altogether that connects of the discharge end of main extruder 1 and secondary extruder 2 is provided with the mesopore 32 that runs through in this coextrusion die head 3, these mesopore 32 upper ends are connected with main extruder 1 discharge nozzle 11, and the lower end then forms discharging opening 33; Also be provided with discharging trough 311 in this coextrusion die head 3, be connected with cross-drilled hole 34 on it, be connected with oblique cone finedraw 312 and discharging opening 33 down, and the discharge end of cross-drilled hole 34 auxiliary connection extruders 2.

During operation, the raw material of hotmelt is placed heating and melting on the main extruder 1, the glued membrane raw material that coats usefulness places heating and melting on the secondary extruder 2, work as the master,

secondary extruder

1,2 simultaneously during extruded stock, the adhesive glue of fusion is the cream strip directly to begin to be coated by the glued membrane of being extruded by oblique cone finedraw 312 and combine closely down and to discharging opening 33 from mesopore 32, extrude by this discharging opening 33 jointly then, extrudate is round strip as shown in Figure 1 and enters cooling bath 4 and tentatively cool off, cooperate the bending of turnover wheel 41 and the drawing of live roller 42, make the stripes of adhesive half-blank of cooling gradually can progressively advance to sealing-cutting device 5 places, utilize the not completely crued as yet crush-cutting that gives simultaneously as sealing, the section of cutting into (can be as Fig. 4 simultaneously, pillow type block shown in Figure 5); Fall to and move on again on the load-transfer device 6 and be cooled to room temperature fully, and the load-transfer device 6 that is obliquely installed the block finished product of the pillow type that is cooled to room temperature will be sent gradually fall to behind the cooling water surface and the drain well collecting tank 61 for concentrate, the shipment of packing joint sealing.

Wherein, hotmelt is that poly-mer and copolymer modulation form; Glued membrane can be ethene one acetate ethylene copolymer, or polyethylene or ethylene copolymer and poly mixture.

Because the gap size of oblique cone finedraw 312 can be done to cooperate and adjust according to correlated conditions such as the kind of adhesives, discharging, temperature, can make the ratio of thickness remain on optimal proportion and quality, can not produce blocked up situation and other shortcoming of film that occurs as prior art.In addition, the envelope speed of cutting of sealing-cutting device 5 can be regulated according to need, and it is longer that each envelope is cut time gap, and then tall and thin ratio is higher, and the shape of tool that envelope is cut also can have different shapes and size to change.

In sum, the making apparatus of the utility model and prior art is compared, and has following advantage:

1, the glued membrane of adhesives of the present utility model and coating thereof adopts two extruder units or pump and extruder unit to extrude synchronously, can reach combination quite closely, stockpile or produce bubble with what avoid inner air, and glued membrane needn't be made in advance and can save unnecessary waste material and produce and cost.

2, the thickness of glued membrane can be done necessary adjustment according to the raw material of extruding, so can not produce the blocked up puzzlement of thickness, does not reach the speed of heating and melting in the future so can not influence the bonding prescription of adhesives, guarantees required quality.

In sum, this creation embodiment really can reach desired use effect, again its disclosed concrete structure, not only be not seen in like product, before also not being disclosed in application, really meet the regulation and the requirement of patent law fully, the whence proposes the utility model patent application in accordance with the law.

Claims

1, a kind of packaging facilities of pillow type hotmelt, it is characterized in that, include the main extruder that is used for the fusion hot-melt adhesive, be used for secondary extruder, coextrusion die head, cooling bath, sealing-cutting device and load-transfer device that fusion can form the clad material of glued membrane, wherein, the discharge end of main extruder and secondary extruder connects the coextrusion die head jointly, be provided with the mesopore that runs through in this coextrusion die head, this mesopore upper end is connected with the main extruder discharge nozzle, and the lower end forms discharging opening; Also be provided with cross-drilled hole in this coextrusion die head, the discharge end of this cross-drilled hole auxiliary connection extruder; Also being provided with the clad material that makes in the secondary extruder in this coextrusion die head is extruded and forms the discharging trough be coated on from the glued membrane of the hotmelt appearance of main extruder, this discharging trough top is connected with cross-drilled hole, and the bottom is connected with discharging opening by the oblique cone finedraw of adjustable gaps.

2, the packaging facilities of pillow type hotmelt as claimed in claim 1 is characterized in that, hotmelt is that poly-mer and copolymer modulation form.

3, the packaging facilities of pillow type hotmelt as claimed in claim 1 is characterized in that, glued membrane wherein is ethene-acetate ethylene copolymer, or polyethylene, or ethene one acetate ethylene copolymer and poly mixture.

4, the packaging facilities of pillow type hotmelt as claimed in claim 1 is characterized in that, the major and minor unit of extruding wherein also can be pump and extruder unit.