CN214982683U - Formed extruded sheet secondary foaming device - Google Patents

Abstract

The utility model relates to a fashioned extruded sheet secondary foaming device, its technical scheme is: including the device body, still include: the equipartition sets up at this internal lower hot plate of device, and the equipartition sets up at this internal last hot plate of device, hot plate and last hot plate cross arrangement down set up the heating element on one side of the device body, heating element and last hot plate all communicate with lower hot plate, set up the exhaust subassembly of keeping away from heating element one side at the device body, exhaust subassembly and last hot plate all communicate with lower hot plate to and set up at this internal lifting mechanism of device, the top of lifting mechanism sets up the hot plate, the utility model discloses an upper hot plate heats the extruded sheet with lower hot plate for but extruded sheet thermally equivalent makes extruded sheet carry out secondary foaming, makes its density more even, and the practicality is strong.

Description

Formed extruded sheet secondary foaming device

Technical Field

The utility model relates to an extruded sheet secondary foaming device technical field, concretely relates to fashioned extruded sheet secondary foaming device.

Background

The XPS extruded sheet is a rigid foam plastic sheet produced by heating, mixing and injecting a catalyst into a polystyrene resin as a raw material together with other raw and auxiliary materials and a polymer, and then extruding and molding the mixture, and is known as an extruded polystyrene foam plastic for heat insulation, wherein the XPS has a perfect closed-cell honeycomb structure, and the structure enables the XPS sheet to have extremely low water absorption, low thermal conductivity, high pressure resistance and aging resistance.

At present, in the production process of extruded sheets, when raw materials in a molten state are extruded to form the extruded sheets, internal stress exists in the extruded sheets easily, when the internal stress existing in XPS is large, the internal stress of XPS is increased when the temperature changes, and the XPS has the phenomena of deformation, cracking and falling along with the release of the internal stress.

Therefore, it is necessary to invent a formed extruded sheet secondary foaming device.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a formed extruded sheet secondary foaming device, which is characterized in that the extruded sheet is placed on a lower heating plate, an upper heating plate is attached above the extruded sheet, the extruded sheet is heated by the upper heating plate and the lower heating plate, so that the extruded sheet is uniformly heated, so that the extruded sheet is foamed for the second time, the extruded sheet can be heated uniformly, the density is more uniform, the arranged exhaust assembly can avoid the phenomenon that the temperature is quickly reduced and the state between molecules is fixed without time for conversion, solves the problems that when the raw material in a molten state is extruded to form the extruded sheet in the production process of the extruded sheet at present, the internal stress is easy to exist in the extruded sheet, when the internal stress in the XPS is large, the internal stress of the XPS is increased when the temperature is changed, and the XPS has the problems of deformation, cracking and falling along with the release of the internal stress.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a fashioned extruded sheet secondary foaming device, includes the device body, still includes:

the lower heating plates are uniformly distributed in the device body and used for supporting the extruded sheet and heating the bottom of the extruded sheet;

the upper heating plates are uniformly distributed in the device body and used for heating the top of the extruded sheet, and the lower heating plates and the upper heating plates are arranged in a crossed manner;

the heating assembly is arranged on one side of the device body and used for producing hot air and conveying the hot air into the lower heating plate and the upper heating plate, and the heating assembly is communicated with the upper heating plate and the lower heating plate;

the exhaust assembly is arranged on one side of the device body, which is far away from the heating assembly, and is used for discharging hot air, and the exhaust assembly is communicated with the upper heating plate and the lower heating plate; and

the device comprises a device body, an upper heating plate and a lower heating plate, wherein the upper heating plate is arranged above the device body and used for lifting the upper heating plate.

The inside of hot plate and last hot plate all equipartition fixed mounting down has the baffle, two sets of adjacent baffle equal central symmetry sets up in hot plate and the last hot plate down.

Preferably, the lifting mechanism includes the lead screw, lead screw equipartition symmetry sets up in the both sides of device body, the equipartition meshing is provided with and lifts the board on the lead screw, it sets up the hot plate to lift the top of board, the equal fixed mounting in bottom of lead screw has first sprocket, the equal transmission fit of first sprocket is connected with drive assembly.

Preferably, the last hot plate that this internal setting of device goes up the hot plate and all passes through the lower hot plate intercommunication that flexible air guide subassembly and top set up on all the other both ends except the last hot plate that the device body top set up, the fixed intercommunication in last hot plate both ends symmetry that sets up in the device body top sets up flexible air guide subassembly, the fixed intercommunication in lower hot plate both ends symmetry that sets up in the device body bottom is provided with the pipe, the pipe that heating element and homonymy set up and the equal fixed intercommunication of flexible air guide subassembly, the pipe that exhaust subassembly and homonymy set up and the equal fixed intercommunication of flexible air guide subassembly.

Preferably, the lifting plate is arranged in a sliding groove in a sliding mode, the sliding groove is evenly and symmetrically arranged in two sides of the device body, and the side wall of the lifting plate is movably abutted to the inner wall of the sliding groove.

Preferably, drive assembly includes the chain, chain fixed mounting is on bottom one side middle part of device body, the top transmission of chain is connected with the pivot, the pivot is rotated and is installed at this internally, fixed mounting has the second sprocket in the pivot, the second sprocket passes through the motor and is connected with the equal transmission cooperation of the first sprocket that sets up in this bottom of device.

Preferably, the flexible air guide assembly comprises an L-shaped pipe, the L-shaped pipe is fixedly communicated with one end of the upper heating plate, a three-way pipe is arranged at the top end of the L-shaped pipe in a sliding mode, the three-way pipe arranged in the device body close to the lower heating plate is fixedly communicated with the lower heating plate, and the three-way pipes arranged on two sides of the top end of the device body are fixedly installed in the top end of the device body.

Preferably, the three-way pipes arranged in the device body and close to the heating assembly are fixedly communicated with the heating assembly, and the three-way pipes arranged in the device body and close to the exhaust assembly are fixedly communicated with the exhaust assembly.

Preferably, the heating assembly comprises an air heater, an output end of the air heater is fixedly communicated with an air distribution plate, the air distribution plate is fixedly installed on one side, away from the exhaust assembly, of the device body, and one side, close to the device body, of the air distribution plate is fixedly communicated with the three-way pipe and the guide pipe which are arranged on the same side.

Preferably, the exhaust assembly comprises an air collecting plate, the air collecting plate is fixedly installed on one side, away from the air homogenizing plate, of the device body, an exhaust pipe is fixedly communicated with the middle of one side, away from the device body, of the air collecting plate, a control valve is installed on the exhaust pipe, and one side, close to the device body, of the air collecting plate is fixedly communicated with a three-way pipe and a guide pipe which are arranged on the same side.

The utility model has the advantages that:

1. the utility model discloses a place the extruded sheet on lower hot plate, paste the top hot plate in the top of extruded sheet through the lifting device, the extruded sheet is heated to upper hot plate and lower hot plate, makes the extruded sheet thermally equivalent, in order to realize that the extruded sheet carries out the secondary foaming, makes its density more even, and the exhaust subassembly that sets up can avoid cooling down faster, the state between the molecule is too late to change the phenomenon that just is stereotyped;

2. the utility model discloses the equal homoenergetic of the extruded sheet of different thickness that can make realizes carrying out the secondary and foams, and application scope is wide, and the practicality is strong.

Drawings

FIG. 1 is a structural diagram of a secondary foaming device provided by the present invention; FIG. 2 is an enlarged view of the area A in FIG. 1 according to the present invention; FIG. 3 is a structural view of a lower heating plate according to the present invention; fig. 4 is a structural diagram of a lifting mechanism provided by the present invention; fig. 5 is a structural view of the telescopic air guide assembly provided by the present invention.

In the figure: 1-device body, 2-lower heating plate, 3-upper heating plate, 4-clapboard, 5-heating component, 51-hot air blower, 52-air duct, 53-air homogenizing plate, 6-air exhausting component, 61-air collecting plate, 62-air exhausting pipe, 63-control valve, 7-telescopic air guiding component, 71-three-way pipe, 72-L-shaped pipe, 8-lifting mechanism, 81-lifting plate, 82-screw rod, 83-first chain wheel, 84-second chain wheel, 85-chain, 86-rotating shaft, 87-motor, 9-sliding chute and 10-guide pipe.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-5, the utility model provides a pair of fashioned extruded sheet secondary foaming device, including device body 1, still include:

the lower heating plates 2 are uniformly distributed in the device body 1 and used for supporting the extruded sheet and heating the bottom of the extruded sheet;

the upper heating plates 3 which are uniformly distributed in the device body 1 and used for heating the top of the extruded sheet are arranged, and the lower heating plates 2 and the upper heating plates 3 are arranged in a crossed manner;

the heating component 5 is arranged on one side of the device body 1 and used for producing hot air and conveying the hot air into the lower heating plate 2 and the upper heating plate 3, and the heating component 5 is communicated with the upper heating plate 3 and the lower heating plate 2;

the exhaust assembly 6 is arranged on one side of the device body 1, which is far away from the heating assembly 5, and is used for discharging hot air, and the exhaust assembly 6 is communicated with the upper heating plate 3 and the lower heating plate 2; and

a lifting mechanism 8 arranged in the device body 1 and used for lifting the upper heating plate 3, wherein the upper heating plate 3 is arranged above the lifting mechanism 8.

Further, the inside of lower hot plate 2 and last hot plate 3 all equipartition fixed mounting have baffle 4, and lower hot plate 2 and the equal central symmetry of two sets of adjacent baffles 4 in the last hot plate 3 set up.

Further, last hot plate 3 that sets up in device body 1 all communicates with the lower hot plate 2 that the top set up through flexible air guide subassembly 7 on all the other both ends except the last hot plate 3 that sets up on device body 1 top, the fixed intercommunication in last hot plate 3 both ends symmetry that sets up in device body 1 top sets up flexible air guide subassembly 7, the fixed intercommunication in lower hot plate 2 both ends symmetry that sets up in device body 1 bottom is provided with pipe 10, pipe 10 and the equal fixed intercommunication of flexible air guide subassembly 7 that heating element 6 and homonymy set up, pipe 10 and the equal fixed intercommunication of flexible air guide subassembly 7 that exhaust subassembly 6 and homonymy set up, it is specific, baffle 4 sets up like this in hot plate 2 and last hot plate 3 down and can make hot-blast be the S-shaped flow in hot plate 2 and last hot plate 3 down, make hot-blast can the homogeneous wind fill in hot plate 2 and last hot plate 3 down.

Further, flexible air guide subassembly 7 includes L venturi tube 72, the fixed intercommunication setting of L venturi tube 72 is served at last hot plate 3, the top of L venturi tube 72 all slides and is provided with three-way pipe 71, the three-way pipe 71 that sets up near hot plate 2 down in the device body 1 all with hot plate 2 fixed intercommunication down, the equal fixed mounting of three-way pipe 71 that sets up in device body 1 top both sides is in the top of device body 1, specifically, three-way pipe 71 and L venturi tube 72 slide to set up when can making down the interval between hot plate 2 and the last hot plate 3 change, lower hot plate 2 and last hot plate 3 still can communicate, simultaneously when the extruded sheet is heated the foaming, upward hot plate 3 upwards moves when the extruded sheet inflation, and can guarantee three-way pipe 71 and L venturi tube 72 intercommunication.

Further, the three-way pipes 71 arranged in the device body 1 and close to the heating assembly 5 are fixedly communicated with the heating assembly 5, and the three-way pipes 71 arranged in the device body 1 and close to the exhaust assembly 6 are fixedly communicated with the exhaust assembly 6.

Further, the heating assembly 5 comprises a hot air blower 51, an output end of the hot air blower 51 is fixedly communicated with an air uniform plate 53, the air uniform plate 53 is fixedly installed on one side of the device body 1 far away from the exhaust assembly 6, and one side of the air uniform plate 53 close to the device body 1 is fixedly communicated with a three-way pipe 71 and a guide pipe 10 which are arranged on the same side.

Further, exhaust subassembly 6 includes gas collection plate 61, gas collection plate 61 fixed mounting is on the one side that even gas plate 53 was kept away from to device body 1, gas collection plate 61 keeps away from the fixed intercommunication in one side middle part of device body 1 and is provided with blast pipe 62, install control valve 63 on the blast pipe 62, gas collection plate 61 is close to device body 1's one side and the equal fixed intercommunication of three-way pipe 71 and the pipe 10 that the homonymy set up, concretely, set up control valve 63 on the blast pipe 62, can realize slowly discharging the hot-blast in hot plate 2 and the last hot plate 3 down when the cooling, avoid the cooling too fast, the state between the molecule is too late to change the phenomenon that just has been stereotyped.

Further, lifting mechanism 8 includes lead screw 82, lead screw 82 equipartition symmetry sets up in the both sides of device body 1, the equipartition meshing is provided with on lead screw 82 and lifts board 81, it sets up hot plate 3 to lift the top of board 81, the equal fixed mounting in bottom of lead screw 82 has first sprocket 83, the equal transmission cooperation of first sprocket 83 is connected with drive assembly, concretely, drive assembly is used for driving first sprocket 83 and lead screw 82 and rotates, lead screw 82 rotates and to realize lifting board 81 and go up and down, can realize when placing the extruded sheet on hot plate 2 down, the interval between hot plate 3 and the below hot plate 2 is gone up in the adjustment, be convenient for place the extruded sheet.

Further, the lifting plate 81 is slidably disposed in the sliding groove 9, the sliding grooves 9 are uniformly and symmetrically disposed in two sides of the device body 1, a side wall of the lifting plate 81 movably abuts against an inner wall of the sliding groove 9, and specifically, the lifting plate 81 movably abuts against the inner wall of the sliding groove 9, so that the lifting plate 81 is prevented from rotating along with the rotation of the sliding groove 9.

Further, the drive assembly comprises a chain 85, the chain 85 is fixedly installed on the middle portion of one side of the bottom end of the device body 1, a rotating shaft 86 is connected to the top end of the chain 85 in a transmission mode, the rotating shaft 86 is rotatably installed in the device body 1, a second chain wheel 84 is fixedly installed on the rotating shaft 86, and the second chain wheel 84 is connected with the first chain wheel 83 arranged in the bottom end of the device body 1 through a motor 87 in a transmission matching mode.

The utility model discloses a use as follows: when in use, the extruded sheet is placed on the lower heating plate 2, then the chain 85 is started, the chain 85 rotates, namely the rotating shaft 86 and the second chain wheel 84 rotate, the second chain wheel 84 rotates to drive the first chain wheel 83 to rotate through the motor 87, the first chain wheel 83 rotates, namely the screw rod 82 rotates, the screw rod 82 rotates to be meshed with the lifting plate 81, the lifting plate 81 can move in the vertical direction, namely the lifting plate 81 descends, the upper heating plate 3 is supported by the lifting plate 81, namely the upper heating plate 3 descends under the action of gravity, namely the bottom end of the three-way pipe 71 slides out of the L-shaped pipe 72, the upper heating plate 3 can be attached above the extruded sheet and can adapt to the extruded sheets with different thicknesses, then the hot air blower 51 is started, the hot air blower 51 works to produce hot air and conveys the hot air into the air homogenizing plate 53 through the air guide pipe 52, the hot air in the homogenizing plate 53 respectively enters the lower heating plate 2 and the upper heating plate 3 through the guide pipe 10, the three-way pipe 71 and the L-shaped pipe 72, the hot air flows in an S shape in the lower heating plate 2 and the upper heating plate 3, so that the hot air can be uniformly filled in the lower heating plate 2 and the upper heating plate 3, the hot air in the lower heating plate 2 and the upper heating plate 3 flows to one side far away from the hot air blower 51 and then enters the air collecting plate 61 through the guide pipe 10, the three-way pipe 71 and the L-shaped pipe 72, and then is discharged through the exhaust pipe 62, because the lower heating plate 2 and the upper heating plate 3 are respectively in direct contact with the bottom and the top of the extruded sheet, the extruded sheet is heated more quickly, secondary foaming of the extruded sheet can be realized, the extruded sheet is heated more uniformly, the density of the extruded sheet is more uniform, the extruded sheet expands in the heating foaming process, because the lower heating plate 2 and the upper heating plate 3 arranged above are connected through the three-way pipe 71 and the L-shaped pipe 72, the three-way pipe 71 and the L-shaped pipe 72 are arranged in a sliding manner, the expansion of the extruded sheet cannot be influenced, and the control valve 63 is arranged on the exhaust pipe 62, can realize when the cooling, close air heater 51, through the aperture of control valve 63 control blast pipe 62, even make down the hot-blast slow discharge from blast pipe 62 of following of hot plate 2 and the interior hot-blast of last hot plate 3, even make the extruded sheet cooling comparatively slow, avoid the cooling too fast, the state between the molecule is too late to be converted the phenomenon just stereotyped.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims (9)

1. The utility model provides a fashioned extruded sheet secondary foaming device, includes device body (1), its characterized in that still includes:

lower heating plates (2) which are uniformly distributed in the device body (1) and used for supporting the extruded sheet and heating the bottom of the extruded sheet;

the upper heating plates (3) are uniformly distributed in the device body (1) and used for heating the top of the extruded sheet, and the lower heating plates (2) and the upper heating plates (3) are arranged in a crossed manner;

the heating assembly (5) is arranged on one side of the device body (1) and used for producing hot air and conveying the hot air into the lower heating plate (2) and the upper heating plate (3), and the heating assembly (5) is communicated with the upper heating plate (3) and the lower heating plate (2);

the exhaust assembly (6) is arranged on one side, away from the heating assembly (5), of the device body (1) and used for discharging hot air, and the exhaust assembly (6) is communicated with the upper heating plate (3) and the lower heating plate (2); the lifting mechanism (8) is arranged in the device body (1) and used for lifting the upper heating plate (3), and the upper heating plate (3) is arranged above the lifting mechanism (8);

the inside of lower hot plate (2) and last hot plate (3) all equipartition fixed mounting have baffle (4), two sets of adjacent baffle (4) equal central symmetry sets up in lower hot plate (2) and last hot plate (3).

2. The formed extruded sheet secondary foaming apparatus according to claim 1, wherein: lifting mechanism (8) include lead screw (82), lead screw (82) equipartition symmetry sets up in the both sides of device body (1), the equipartition meshing is provided with and lifts board (81) on lead screw (82), the top of lifting board (81) sets up hot plate (3), the equal fixed mounting in bottom of lead screw (82) has first sprocket (83), the equal transmission fit of first sprocket (83) is connected with drive assembly.

3. The formed extruded sheet secondary foaming apparatus according to claim 1, wherein: last hot plate (3) that set up in device body (1) except that hot plate (3) all communicate with lower hot plate (2) that the top set up through flexible air guide subassembly (7) and top on the outer all the other both ends of last hot plate (3) that set up on device body (1) top, the fixed intercommunication in last hot plate (3) both ends symmetry that sets up in device body (1) top sets up flexible air guide subassembly (7), the fixed intercommunication in lower hot plate (2) both ends symmetry that sets up in device body (1) bottom is provided with pipe (10), pipe (10) and the flexible air guide subassembly (7) of heating element (5) and homonymy setting all fix the intercommunication, the equal fixed intercommunication in pipe (10) and the flexible air guide subassembly (7) that exhaust subassembly (6) and homonymy set up.

4. A molded extruded sheet secondary foaming apparatus according to claim 2, wherein: the lifting plate (81) is arranged in the sliding groove (9) in a sliding mode, the sliding grooves (9) are evenly and symmetrically arranged on two sides of the device body (1), and the side wall of the lifting plate (81) is movably abutted to the inner wall of the sliding groove (9).

5. A molded extruded sheet secondary foaming apparatus according to claim 2, wherein: the drive assembly comprises a chain (85), the chain (85) is fixedly installed on the middle portion of one side of the bottom end of the device body (1), the top end of the chain (85) is connected with a rotating shaft (86) in a transmission mode, the rotating shaft (86) is rotatably installed in the device body (1), a second chain wheel (84) is fixedly installed on the rotating shaft (86), and the second chain wheel (84) is connected with the first chain wheel (83) arranged in the bottom end of the device body (1) in a transmission matching mode through a motor (87).

6. A molded extruded sheet secondary foaming apparatus according to claim 3, wherein: the telescopic air guide assembly (7) comprises an L-shaped pipe (72), the L-shaped pipe (72) is fixedly communicated with one end of the upper heating plate (3), a three-way pipe (71) is arranged at the top end of the L-shaped pipe (72) in a sliding mode, the three-way pipe (71) arranged in the device body (1) close to the lower heating plate (2) is fixedly communicated with the lower heating plate (2), and the three-way pipes (71) arranged on two sides of the top end of the device body (1) are fixedly installed in the top end of the device body (1).

7. A molded extruded sheet secondary foaming apparatus according to claim 1 or 4, wherein: the three-way pipe (71) arranged in the device body (1) and close to the heating assembly (5) is fixedly communicated with the heating assembly (5), and the three-way pipe (71) arranged in the device body (1) and close to the exhaust assembly (6) is fixedly communicated with the exhaust assembly (6).

8. The formed extruded sheet secondary foaming apparatus according to claim 7, wherein: the heating assembly (5) comprises an air heater (51), an output end of the air heater (51) is fixedly communicated with an air distributing plate (53), the air distributing plate (53) is fixedly installed on one side, away from the exhaust assembly (6), of the device body (1), and one side, close to the device body (1), of the air distributing plate (53) is fixedly communicated with a three-way pipe (71) and a guide pipe (10) which are arranged on the same side.

9. A molded extruded sheet secondary foaming apparatus according to claim 8, wherein: exhaust subassembly (6) are including gas collection board (61), gas collection board (61) fixed mounting is on device body (1) keep away from one side of gas homogenizing board (53), gas collection board (61) keep away from one side middle part fixed intercommunication of device body (1) and be provided with blast pipe (62), install control valve (63) on blast pipe (62), one side that gas collection board (61) are close to device body (1) all fixed the intercommunication with tee bend (71) and pipe (10) that the homonymy set up.

Images