CN214324255U - Paster production line of PET foam - Google Patents

Abstract

The utility model discloses a PET foam chip mounting production line, which comprises a conveying device for conveying PET foam, wherein the conveying device is sequentially provided with a heating station, a chip mounting station, a cold pressing station, a trimming station and a cutting station on a conveying path; an infrared heating device; an extrusion apparatus, the extrusion apparatus comprising: an extruder and a die to coat both side surfaces of the PET foam with molten polyester; cold pressing equipment, wherein a sheet is formed on the surface of the cold-pressed PET foam; a trimming device to cut edges of the sheet; a cutting apparatus to cut the sheet. From this, the PET foam makes the surface soften through infrared heating equipment heating earlier, then will follow the melting polyester cold pressing that extrudes in the extrusion equipment through cold pressing equipment and form the sheet at PET foam both sides surface, and the sheet after will colding pressing through side cut equipment and cutting equipment according to the size of needs at last is cut edge and is cut the processing, so sets up, not only can simplify process flow, reduction in production cost.

Description

Paster production line of PET foam

Technical Field

The utility model belongs to the technical field of the production technique of PET foam and specifically relates to a paster production line of PET foam is related to.

Background

With the development of science and technology, PET foam is widely used in the fields of wind power generation, transportation, building materials and the like as a good novel engineering plastic due to its excellent mechanical properties, heat preservation properties, water resistance and the like. However, since the cells of the PET foam are relatively large and the PET foam extrusion die is of an evacuated structure in the production of the PET foam, the structure results in uneven surface of the PET foam after production, and in addition, the PET foam is of a cell structure, so that the surface hardness of the produced PET foam is low and the bending property of the PET foam is not high.

In the related art, in order to solve the above problems, the PET foam is cut in production to remove the uneven part of the surface of the PET foam, and then a layer of film or plate is compounded on the surface of the PET foam by gluing or hot pressing, but not only the production efficiency is reduced, but also the bonding is not firm due to the relatively large cellular structure of the surface of the PET foam, so that the overall performance of the PET foam is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a paster production line of PET foam, the paster production line of PET foam not only can simplify the paster technology of PET foam, can make the PET foam combined material performance that produces excellent and environmental protection moreover.

According to the utility model discloses a paster production line of PET foam, include: the conveying equipment is used for conveying PET (polyethylene terephthalate) foam and is sequentially provided with a heating station, a surface mounting station, a cold pressing station, a trimming station and a cutting station on a conveying path; the infrared heating equipment is arranged at the heating station to heat the two side surfaces of the PET foam; an extrusion apparatus, the extrusion apparatus comprising: the PET foam production line comprises an extruder and a die head, wherein the extruder is provided with a connector, the die head is connected to the connector, the extruder is arranged on one side of the conveying equipment, and the die head is arranged on the surface mounting station so as to coat molten polyester on the surfaces of two sides of the PET foam; the cold pressing equipment is arranged at the cold pressing station and is used for cold pressing the PET foam and the molten polyester positioned on the two side surfaces of the PET foam, and the surface of the PET foam after cold pressing forms a sheet; a trim apparatus disposed at the trim station to cut edges of the sheet; cutting means, said cutting means set up in cut the station, in order to cut the sheet.

Therefore, the PET foam firstly passes through the heating treatment of the infrared heating equipment of the heating station, the surface of the PET foam is softened, then the PET foam with softened surface passes through the die head of the patch station, the die head can coat the melting polyester with smooth PET foam surface on the surfaces of two sides of the PET material, then the melting polyester on the surfaces of two sides of the PET foam is cold-pressed into the sheet of the polyester material through the cooling pressing of the cold pressing equipment, the edge of the sheet is cut through the edge cutting equipment, the composite material formed by the PET foam and the sheet through cooling pressing is regular in appearance, and finally the sheet is cut through the cutting equipment according to the size requirement.

In some examples of the invention, the conveying apparatus comprises: the multi-roller tractor comprises at least one multi-roller tractor and a plurality of unpowered roller frames, wherein the at least one multi-roller tractor and the unpowered roller frames are distributed on the conveying path at intervals.

In some examples of the invention, at least one of the unpowered roller stands located downstream of the cold pressing station is a chill roller stand, the chill roller stand includes a chill roller, and a receiving space for receiving a cooling medium is formed in the chill roller.

In some examples of the present invention, the infrared heating device is one of a lamp type infrared heating device, a tube type infrared heating device, and a plate type infrared heating device.

In some examples of the invention, the extruder comprises: a drive motor; the outlet of the charging barrel is connected with the connector; the transmission device is in transmission with the driving motor; at least one screw disposed within the barrel and in driving communication with the transmission; a feeding device, the feeding device set in the charging barrel and with the inlet of the charging barrel is linked together.

In some examples of the present invention, the die head comprises: the upper gap opening die and the lower gap opening die are arranged at intervals in the upper and lower directions and form a hollow area for the PET foam to pass through, and the upper gap opening die and the lower gap opening die are connected with the connector.

In some examples of the present invention, the cold pressing apparatus is a cold pressing roller apparatus, the cold pressing roller apparatus comprises: the PET foam sheet comprises an upper pressing roller and a lower pressing roller, wherein the upper pressing roller and the lower pressing roller are oppositely arranged up and down and form a cold pressing area for the PET foam and the sheet to pass through, and the number of the upper pressing roller and the number of the lower pressing roller are at least one.

In some examples of the present invention, a first centering station is provided between the cold pressing station and the trimming station, and a second centering station is provided between the trimming station and the cutting station; the patch production line further comprises: the automatic centering device is arranged at the first centering station, and the roller traction belt automatic centering device is arranged at the second centering station.

In some examples of the invention, the conveying apparatus comprises: and at least one multi-roller tractor is arranged between the first centering station and the edge cutting station.

In some examples of the invention, the cutting apparatus comprises: a base; the bracket is arranged on the base; the driving piece is arranged on the bracket; and the cutting piece is in transmission with the driving piece, and the driving piece drives the cutting piece to lift relative to the base so as to cut the sheet.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a PET foam decal production line according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a die according to an embodiment of the present invention;

fig. 3 is a schematic view of an extruder according to an embodiment of the present invention;

fig. 4 is a schematic view of a cutting apparatus according to an embodiment of the present invention.

Reference numerals:

100-a patch production line;

10-a heating station; 11-a chip mounting station; 12-cold pressing station; 13-trimming station; 14-cutting station; 15-a first centering station; 16-a second centering station;

20-an extrusion device; 201-an extruder; 2011-drive motor; 2012-a cartridge; 2013-a transmission; 2014-screw; 2015-a feeding device; 202-a die head; 2021-upper slit die; 2022-lower slit die, 21-cold pressing equipment; 22-trimming equipment; 23-a cutting device; 231-a base; 232-a scaffold; 233-driving member; 234-cutting; 24-a multi-roll tractor; 25-unpowered roll stand; 26-automatic centering equipment; 27-automatic centering equipment for roller traction belt; 28-a conveying device; 29-infrared heating means; 30-a hollow region; 31-cooling the roller frame; 32-PET foam; 33-polyester.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A PET foam 32 patch production line 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 4.

Referring to fig. 1, a PET foam 32 placement production line 100 according to an embodiment of the present invention may include: the PET foam production line comprises a conveying device 28, an infrared heating device 29, an extruding device 20, a cold pressing device 21, a trimming device 22 and a cutting device 23, wherein the conveying device 28 is used for conveying PET foam 32, and the infrared heating device 29, the extruding device 20, the cold pressing device 21, the trimming device 22 and the cutting device 23 are all arranged on a conveying path of the conveying device 28 used for conveying the PET foam 32, so that not only can available space on the conveying device 28 used for conveying the PET foam 32 be fully utilized, but also the structure of the PET foam 32 pasting production line 100 can be compact, the production has high continuity, and the production efficiency can be improved.

As shown in fig. 1, the conveying device 28 for conveying the PET foam 32 is sequentially provided with a heating station 10, a pasting station 11, a cold pressing station 12, a trimming station 13 and a cutting station 14 on a conveying path, so as to install and set corresponding components, that is, the PET foam 32 sequentially passes through the processing of the corresponding components on the heating station 10, the pasting station 11, the cold pressing station 12, the trimming station 13 and the cutting station 14 on the conveying device 28 for conveying the PET foam 32, so that the independence of the relevant components on each station in the pasting production line 100 of the PET foam 32 can be ensured, the mutual interference of the relevant components on each station during working can be prevented, the reliability of the pasting production line 100 of the PET foam 32 can be improved, the maintenance and replacement of each subsequent component can be facilitated, when the corresponding component on a certain station is damaged, only the damaged component on the corresponding station needs to be maintained or replaced, the whole maintenance and replacement are not needed, and the structural design can be optimized.

Referring to fig. 1, an infrared heating device 29 is disposed on the heating station 10, the infrared heating device 29 performs radiation heat transfer, when infrared rays irradiate an object to be heated, and the wavelength of the infrared rays absorbed by the object is consistent with the wavelength of the emitted far infrared rays, the object absorbs the far infrared rays, molecules and atoms inside the object resonate to raise the temperature of the object, so that the heating effect is achieved, the infrared heating device 29 can heat both side surfaces of the PET foam 32, and the both side surfaces of the PET foam 32 are softened at a high temperature, the heating of the infrared heating device 29 is concentrated, the heat transferred to both side surfaces of the PET foam 32 is not diffused all around much, and local heating can be achieved, so that the infrared heating device 29 can be prevented from damaging other components on the placement production line 100 of the PET foam 32 when heating both side surfaces of the PET foam 32, the reliability of the PET foam 32 patch production line 100 can be improved, in addition, the infrared heating equipment 29 has low energy consumption, is green and environment-friendly, and can continuously, uniformly and reliably heat, and the process structure of the PET foam 32 patch production line 100 can be optimized. Wherein, infrared heating equipment 29 only needs to heat the both sides surface softening of PET foam 32, can not the overheating, prevents that PET foam 32 is whole to be melted and influences subsequent processing preparation, can improve the reliability of PET foam 32's paster production line 100 like this.

Referring to fig. 1, 2 and 3, the extruding apparatus 20 may mainly include an extruder 201 and a die 202, the extruder 201 has a connector, the die 202 is connected to the connector, the extruder 201 can melt and sufficiently mix the polyester 33, and at the same time, the polyester 33 can reach a predetermined forming temperature and have a uniform temperature distribution, and no excessive thermal decomposition phenomenon can be generated, and the polyester 33 can have good plasticity, wherein the polyester 33 also has good degradability, compatibility and mechanical properties, further, the die 202 is disposed at the pasting station 11, the polyester 33 which is treated and plasticized by the extruder 201 enters the die 202 through the connector, when the PET foam 32 with softened surfaces at both sides is conveyed to the pasting station 11, the die 202 coats the treated molten polyester 33 on both sides of the PET foam 32, at this time, because both sides of the PET are softened and the polyester 33 is melted and sufficiently mixed, therefore, the polyester 33 in a molten or viscous state can be better adsorbed on the surface of the PET foam 32, so that the adhesive property of the PET foam 32 can be improved, the mechanical property of the PET foam 32 can be improved, in addition, the polyester 33 is coated on the surfaces of the two sides of the PET foam 32, the smoothness and the flatness of the surfaces of the two sides of the PET foam 32 can be improved, and the process design can be optimized.

Referring to fig. 1, the cold pressing device 21 is disposed at the cold pressing station 12, and the cold pressing device 21 can cold press the PET foam 32 and the molten polyester 33 on the two side surfaces of the PET foam 32, that is, when the PET foam 32 is coated with the molten polyester 33 on the two sides and then is conveyed from the pasting station 11 to the cold pressing station 12, since the molten polyester 33 and the PET foam 32 are still in a high temperature state, the molten polyester 33 and the PET foam 32 are soft, which may cause the adhesion between the molten polyester 33 and the PET foam 32 to be unstable and firm, so that the molten polyester 33 can be cold pressed and pressed on the two side surfaces of the PET foam 32 to form a sheet through the cooling and pressing process of the cold pressing device 21 at the cold pressing station 12, which not only can make the connection between the polyester 33 and the PET foam 32 more tight and firm, but also can harden and shape the softened surfaces on the two sides of the PET, and can harden and the polyester 33 in a molten or viscous state on the two sides of the PET foam 32, therefore, the composite material made of the PET foam 32 and the sheet material is obtained, the structural stability of the composite material made of the PET foam 32 and the sheet material can be improved, in addition, the surface of the sheet material which is cooled, shaped and hardened is smooth and flat, the surface of the composite material of the PET foam 32 can be smooth and flat, and the process design can be optimized.

Referring to fig. 1, the trimming device 22 is disposed at the trimming station 13, when the composite material subjected to the cold pressing process by the cold pressing device 21 enters the trimming station 13, the trimming device 22 may be configured to cut edges of the sheet material, because before the composite material enters the cold pressing station 12, the polyesters 33 at two sides of the PET foam 32 are in a molten or viscous state, after the composite material is pressed by the cold pressing device 21, the polyesters 33 in the molten or viscous state may overflow from the periphery of the PET foam 32, after the composite material is cooled by the cold pressing device 21, the polyesters 33 overflowing from the periphery of the PET foam 32 may be set and hardened, the polyesters 33 at the overflowing from the periphery may affect the actual production and application of the composite material of the PET foam 32, so that the edges of the sheet material overflowing from the periphery of the PET foam 32 are trimmed by the trimming device 22, each edge of the cold-pressed sheet material may be smooth, the composite material of the PET foam 32 and the PET foam 32 made from the sheet material may be regular, the structural reliability of the composite material of the PET foam 32 can be improved, and the production and application of the composite material can be facilitated. Wherein, the softened two sides of the PET foam 32 may also have material overflowing from the periphery of the PET foam 32 after cold pressing treatment, and the edge cutting device 22 may also cut off the PET foam 32 material overflowing from the periphery of the PET foam 32, so as to further increase the surface smoothness and regularity of the composite material of the PET foam 32, and optimize the process design of the chip production line 100 of the PET foam 32. In addition, the sheets overflowing from the periphery of the PET foam 32 can be crushed and then enter the extruder 201 again after being trimmed, and are melted by the extruder 201 and then are recycled, so that raw materials can be fully utilized, unnecessary waste can be avoided, and the production efficiency can be improved.

Further, as shown in connection with fig. 1 and 4, a cutting apparatus 23 is provided at the cutting station 14 to cut the sheet. The cutting device 23 can cut the composite material of the PET foam 32 into a plurality of sheets with the same size meeting the user requirements according to different requirements of the user on the size of the composite material of the PET foam 32, so that the process flow of the chip production line 100 of the PET foam 32 can be further optimized, and the chip production line 100 of the PET foam 32 can meet the requirements of different users.

Therefore, the PET foam 32 firstly passes through the heating treatment of the infrared heating device 29 of the heating station 10 to soften the surface of the PET foam 32, then the PET foam 32 with softened surface passes through the die head 202 of the paster station 11, the die head 202 can coat the molten polyester 33 which can make the PET surface smooth on the two side surfaces of the PET material, then the PET foam 32 and the molten polyester 33 which is positioned on the two side surfaces of the PET foam 32 are connected and fixed together to form the composite material of the PET foam 32 through the cooling and pressing of the cold pressing device 21, then the edges of the sheet are cut through the edge cutting device 22 to ensure that the composite material formed by cooling and pressing of the PET foam 32 and the sheet has regular appearance, and finally the sheet is cut through the cutting device 23 according to the size requirement, so the arrangement not only can simplify the process flow and reduce the production cost, but also the composite material formed by cooling and pressing of the PET foam 32 and the sheet has excellent performance, has no toxicity and pollution, and is green and recyclable.

As shown in connection with fig. 1, the conveying apparatus 28 includes: the multi-roller tractor 24 and the unpowered roller frames 25 are distributed on the conveying path at intervals, the multi-roller tractor 24 can provide driving force for the unpowered roller frames 25 to enable the rollers in the unpowered roller frames 25 to roll, the rollers in the unpowered roller frames 25 can rub against the composite material of the PET foam 32 to enable the composite material of the PET foam 32 to generate friction force, the friction force can drive the composite material of the PET foam 32 to move in the conveying direction, conveying of the composite material of the PET foam 32 is achieved, the unpowered roller frames 25 are arranged on two sides of each station at intervals, the composite material of the PET foam 32 can be conveyed from the previous station to the next station, and therefore production efficiency can be improved. Because the surface of the roller is smooth, the friction between the roller and the composite material of the PET foam 32 in the unpowered roller frames 25 is small, the surface of the composite material of the PET foam 32 cannot be abraded, and the reliability of the paster production line 100 of the PET foam 32 can be improved.

Referring to fig. 1, at least one unpowered roller frame 25 located downstream of the cold pressing station 12 is a cooling roller frame 31, the cooling roller frame 31 includes a cooling roller, a receiving space for receiving a cooling medium is formed in the cooling roller, after the polyester 33 in a molten or viscous state is laminated with the PET foam 32 softened on both sides, the temperature of the sheet and the PET foam 32 is still high, and the adhesion of the sheet and the PET foam 32 is unstable, therefore, at least one cooling unpowered roller frame 25 is disposed downstream of the cold pressing station 12, a cooling roller is disposed on the unpowered roller frame 25, a space for receiving a cooling medium is formed inside the cooling roller, the cooling medium is disposed inside the cooling roller, the cooling unpowered roller frame 25 can continuously cool the high-temperature sheet and the PET foam 32, so that the sheet and the PET foam 32 are set and hardened, and thus, the unpowered roller frame 25 is configured as the unpowered roller frame 25 capable of cooling the high-temperature sheet and the PET foam 32, the unpowered roller frame 25 can not only realize the conveying of the sheet and the PET foam 32, but also realize the cooling function, can complete the work without adding other parts of cold pressing equipment 21, can simplify the production and can optimize the process structure. The cooling medium may be cooling water.

Further, the infrared heating device 29 is one of a lamp type infrared heating device, a tube type infrared heating device and a plate type infrared heating device, so that the infrared heating device 29 is designed into various forms, the infrared heating device 29 can be suitable for different installation spaces, the applicability of the infrared heating device 29 can be increased, and the structure selection of the patch production line 100 of the PET foam 32 can be enriched.

Further, as shown in fig. 1 and 3, the extruder 201 may mainly include: the polyester extrusion die comprises a driving motor 2011, a barrel 2012, a transmission 2013, at least one screw 2014 and a feeding device 2015, wherein the feeding device 2015 is arranged in the barrel 2012 and is communicated with an inlet of the barrel 2012, the polyester 33 in the feeding device 2015 can enter the barrel 2012 due to self gravity, at least one screw 2014 is arranged in the relatively sealed barrel 2012, the transmission 2013 is electrically connected with a driving motor 2011, at least one screw 2014 can be transmitted with the transmission 2013, the transmission 2013 can drive the screw 2014 to rotate under the action of the driving motor 2011, so that the screw 2014 continuously rotates to extrude the polyester 33, wherein the screw 2014 can be a single screw or a double screw, the single screw and the double screw can convey the polyester 33 to an outlet of the barrel 2012 and extrude the polyester 33 into a molten or viscous state, and then the polyester 33 exits from a connector connected with the outlet of the barrel 2012 and enters the die head 202, can conveniently be on PET foam 32 surface with polyester 33 coating, so, through rationally arranging the position of extruder 201 with die head 202, not only can improve the work efficiency of extruder 201, can optimize the technology structure moreover, extruder 201 operates steadily, and the noise is less, can improve the reliability of extruder 201, in addition, the extruder 201 through reasonable setting can not interfere the work of other parts on PET foam 32's the paster production line 100, can further improve the structural reliability of extrusion equipment 20.

As shown in connection with fig. 1 and 2, die 202 includes: an upper slit die 2021 and a lower slit die 2022 for forming a sheet, the upper slit die 2021 and the lower slit die 2022 being disposed at intervals in an upper and lower direction, and a hollow region 30 for passing the PET foam 32 being formed between the upper slit die 2021 and the lower slit die 2022, the upper slit die 2021 and the lower slit die 2022 respectively corresponding to two side surfaces of the PET foam 32, the upper slit die 2021 and the lower slit die 2022 being connected to a connecting head, the connecting head being capable of supplying the polyester 33 in a molten or viscous state to the upper slit die 2021 and the lower slit die 2022, when the PET foam 32 enters the hollow region 30, the upper slit die 2021 and the lower slit die 2022 being capable of coating the polyester 33 in the molten or viscous state on the two side surfaces of the PET foam 32, so that the die head 202 is skillfully designed, the molten polyester 33 can be simultaneously coated on the softened surfaces of the two sides of the PET foam 32, not only improves the working efficiency and simplifies the process flow, but also can prevent the different bonding degrees of the surfaces at the two sides of the PET foam 32 and the molten polyester 33 caused by the sequential coating from influencing the quality of the composite material of the PET foam 32.

As shown in fig. 1, the cold pressing apparatus 21 is a cold pressing roll apparatus including: go up compression roller and lower compression roller, go up the compression roller and set up relatively from top to bottom with the lower compression roller, and go up the compression roller and form the cold pressing region that supplies the both sides coating to have the PET foam 32 of melting polyester 33 to pass through between the compression roller down, it all is one at least with the lower compression roller to go up the compression roller, when the PET foam 32 that the both sides coating has melting polyester 33 passes through cold pressing region, at least, it has the PET foam 32 both sides of melting polyester 33 to roll in to the both sides coating respectively simultaneously with the lower compression roller to go up the compression roller for one, so, not only can make PET foam 32 both sides and melting polyester 33 bond inseparabler firmly, and can guarantee that the atress of PET foam 32 both sides is even, can improve the structural reliability of cold pressing equipment 21.

As shown in fig. 1, a first centering station 15 is provided between the cold pressing station 12 and the trimming station 13, a second centering station 16 is provided between the trimming station 13 and the cutting station 14, and the sheet-attaching production line 100 further includes: the automatic centering device 26 and the automatic centering device 27 of the roller traction belt, the automatic centering device 26 is arranged at the first centering station 15, the automatic centering device 27 of the roller traction belt is arranged at the second centering station 16, specifically, after the composite material of the PET foam 32 is subjected to cold pressing treatment by the cold pressing device 21 on the cold pressing station 12, the composite material needs to enter the trimming station 13 for trimming treatment, after the composite material of the PET foam 32 is subjected to cold pressing by the cold pressing device 21, the position of the composite material of the PET foam 32 may deviate due to factors such as uneven friction force received by the cold pressing device 21 or the unpowered roller frame 25 in the process of being transmitted to the trimming station 13, and the trimming device 22 on the trimming station 13 is fixed in position, so that the first centering station 15 needs to be arranged between the cold pressing station 12 and the trimming station 13, the automatic centering device 26 on the first centering station 15 can center the position of the composite material of the PET foam 32 reaching the trimming station 13 relative to the trimming device 22, so that the part of the composite material of the PET foam 32 to be trimmed, which is trimmed by the trimming device 22, can ensure that the composite material of the PET foam 32 processed by the trimming device 22 has the same size and shape, and the like, can ensure the quality of the composite material of the PET foam 32, and can ensure the reliability of the chip mounting production line 100 of the PET foam 32. The automatic centering device 26 is a known centering device, which can be provided, for example, with guide wheels on both sides for centering, so that the composite material of the PET foam 32 can be guided into centering during transport.

Further, as shown in connection with fig. 1 and 4, after the composite material of PET foam 32 is trimmed by the trimming apparatus 22, it is conveyed to the cutting station 14 to cut the composite material of PET foam 32 according to the size requirements, during the transfer of the composite material of PET foam 32 from the trimming station 13 to the cutting station 14, the composite material of PET foam 32 may shift position on the unpowered roller frame 25 due to unequal friction forces, it is therefore necessary to provide a second centering station 16 between the cutting station 14 and the trimming station 13, the automatic centering device 27 of the roller-pull belt on the second centering station 16 centering the position of the composite material of the PET foam 32 arriving at the trimming station 13 with respect to the trimming device 22, therefore, the composite material of the PET foams 32 cut by the cutting equipment 23 can be ensured to be uniform in size, and the reliability of the paster production line 100 of the PET foams 32 can be ensured. In addition, the automatic centering device 27 for the roller traction belt can also prevent the surface of the composite material of the PET foam 32 from being scratched while centering the composite material of the PET foam 32, and can ensure the quality of the produced composite material of the PET foam 32, thereby further ensuring the reliability of the paster production line 100 of the PET foam 32. The roll pull tape automatic centering device 27 is a known centering device that also has the function of roll pulling, which provides traction to the composite material of PET foam 32.

As shown in connection with fig. 1, the conveying apparatus 28 includes: a multi-roll tractor 24, at least one multi-roll tractor 24 being arranged between the first centring station 15 and the trimming station 13. Specifically, at least one multi-roller tractor 24 is arranged between the first centering station 15 and the trimming station 13, so that the power uniformity of the composite material for conveying the PET foam 32 by the unpowered roller frame 25 can be ensured in the whole conveying path, and when the PET foam 32 is subjected to different treatments at different stations, the transmission force of the at least one multi-roller tractor 24 arranged between the first centering station 15 and the trimming station 13 can be adjusted according to different requirements of speed, and further the related unpowered roller frame 25 can be adjusted, so that the design of the PET foam 32 patch production line 100 is more flexible, the production efficiency can be improved, the PET foam 32 and the unpowered roller frame 25 can be prevented from being scratched, and the reliability of the PET foam 32 patch production line 100 can be ensured.

Further, as shown in connection with fig. 4, the cutting apparatus 23 includes: base 231, support 232, driving piece 233 and cut 234, the installation of support 232 sets up on base 231, the installation of driving piece 233 sets up on support 232, it can be a plurality ofly to cut 234, cut 234 can with the transmission of driving piece 233, driving piece 233 can drive and cut 234 and go up and down relative base 231, support 232 also can slide relative base 231, to place the sheet on base 231 and cut, so set up, not only the simple structure of cutting equipment 23 is ingenious, and the process that cutting equipment 23 cuts the combined material of PET foam 32 is simple, and high speed, can be with the work efficiency that improves cutting equipment 23, thereby can guarantee the reliability of the paster production line 100 of PET foam 32.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A PET foam sheet production line, comprising:

the conveying equipment is used for conveying PET (polyethylene terephthalate) foam and is sequentially provided with a heating station, a surface mounting station, a cold pressing station, a trimming station and a cutting station on a conveying path;

the infrared heating equipment is arranged at the heating station to heat the two side surfaces of the PET foam;

an extrusion apparatus, the extrusion apparatus comprising: the PET foam production line comprises an extruder and a die head, wherein the extruder is provided with a connector, the die head is connected to the connector, the extruder is arranged on one side of the conveying equipment, and the die head is arranged on the surface mounting station so as to coat molten polyester on the surfaces of two sides of the PET foam;

the cold pressing equipment is arranged at the cold pressing station and is used for cold pressing the PET foam and the molten polyester positioned on the two side surfaces of the PET foam, and the surface of the PET foam after cold pressing forms a sheet;

a trim apparatus disposed at the trim station to cut edges of the sheet;

cutting means, said cutting means set up in cut the station, in order to cut the sheet.

2. A PET foam chip production line as claimed in claim 1, wherein said conveying device comprises: the multi-roller tractor comprises at least one multi-roller tractor and a plurality of unpowered roller frames, wherein the at least one multi-roller tractor and the unpowered roller frames are distributed on the conveying path at intervals.

3. A PET foam chip production line according to claim 2, characterized in that at least one unpowered roller frame located downstream of the cold pressing station is a cooling roller frame, the cooling roller frame comprises a cooling roller, and a containing space containing a cooling medium is formed in the cooling roller.

4. A PET foam patch production line as claimed in claim 1, wherein said infrared heating device is one of a lamp type infrared heating device, a tube type infrared heating device and a plate type infrared heating device.

5. A patch production line of PET foam, according to claim 1, characterized in that said extruder comprises:

a drive motor;

the outlet of the charging barrel is connected with the connector;

the transmission device is in transmission with the driving motor;

at least one screw disposed within the barrel and in driving communication with the transmission;

a feeding device, the feeding device set in the charging barrel and with the inlet of the charging barrel is linked together.

6. A patch production line of PET foam according to claim 1, wherein said die head comprises: the upper gap opening die and the lower gap opening die are arranged at intervals in the upper and lower directions and form a hollow area for the PET foam to pass through, and the upper gap opening die and the lower gap opening die are connected with the connector.

7. A PET foam pick and place production line as claimed in claim 1, wherein the cold pressing apparatus is a cold pressing roller apparatus comprising: the PET foam sheet comprises an upper pressing roller and a lower pressing roller, wherein the upper pressing roller and the lower pressing roller are oppositely arranged up and down and form a cold pressing area for the PET foam and the sheet to pass through, and the number of the upper pressing roller and the number of the lower pressing roller are at least one.

8. A PET foam chip production line according to claim 1, characterized in that a first centering station is provided between the cold pressing station and the trimming station, and a second centering station is provided between the trimming station and the cutting station;

the patch production line further comprises: the automatic centering device is arranged at the first centering station, and the roller traction belt automatic centering device is arranged at the second centering station.

9. A chip production line of PET foam according to claim 8, characterized in that said conveying device comprises: and at least one multi-roller tractor is arranged between the first centering station and the edge cutting station.

10. A PET foam sheet production line as claimed in claim 1, wherein the cutting apparatus comprises:

a base;

the bracket is arranged on the base;

the driving piece is arranged on the bracket;

and the cutting piece is in transmission with the driving piece, and the driving piece drives the cutting piece to lift relative to the base so as to cut the sheet.

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