Cooling and shaping device for PET (Polyethylene Terephthalate) foamed sheet

Abstract

A PET foamed board cooling and shaping device comprises a plurality of board contact type cooling assemblies which are arranged on a vertical circulation conveying device, and the vertical circulation conveying device is configured to drive the board contact type cooling assemblies to move circularly. The plate contact type cooling assembly comprises a bottom water cooling bin, a hydraulic telescopic device and a top water cooling bin, the bottom water cooling bin is arranged on the vertical circulation conveying device, the hydraulic telescopic device is arranged on the bottom water cooling bin, and the top water cooling bin is arranged at the driving end of the hydraulic telescopic device. The bottom water-cooling bin and the top water-cooling bin are in abutting connection with the foaming plate. And the cooling liquid replacing assembly is arranged below the plate contact type cooling assembly and is configured to replace the cooling liquid in the bottom water cooling bin and the top water cooling bin. Therefore, foaming plates of various sizes can be cooled and conveyed in the vertical direction in a contact type water cooling mode, and the cooling uniformity is good.

Description

Technical Field

[0001] The invention relates to the technical field of foamed board production, in particular to a PET foamed board cooling and shaping device. Background Art

[0002] PET (polyethylene terephthalate) foam sheet is a lightweight, high-strength material. After foaming, the foam sheet needs to be cooled and shaped through a cooling process.

[0003] Since the temperature of the PET foam sheet is high after being extruded from the mold, sufficient cooling time is required to achieve the cooling and shaping effect. Therefore, the cooling and shaping workshop usually occupies a large area. In the related technology, in order to reduce the floor space of the cooling and conveying production line, a vertical conveying layout is usually adopted instead of a horizontal conveying layout. This conveying method often uses air cooling for heat dissipation, and the uniformity of air cooling is poor, and the heat dissipation of thicker foam sheets is poor. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the above-mentioned technology at least to some extent.

[0005] To this end, the purpose of the present invention is to provide a PET foam board cooling and shaping device, which can vertically cool and convey foam boards of various sizes by contact water cooling, and has good cooling uniformity.

[0006] To achieve the above-mentioned purpose, the present invention proposes a PET foam board cooling and shaping device, comprising: a plurality of board contact cooling components, respectively arranged on a vertical circulation conveying device, the vertical circulation conveying device is configured to drive the plurality of board contact cooling components to circulate, the board contact cooling components comprising: a bottom water cooling bin, a hydraulic telescopic device and a top water cooling bin, wherein the bottom water cooling bin is arranged on the vertical circulation conveying device, the hydraulic telescopic device is arranged on the bottom water cooling bin, the top water cooling bin is arranged at the driving end of the hydraulic telescopic device, the bottom water cooling bin and the top water cooling bin are respectively connected with the foam board in a contact manner; a coolant replacement component is arranged below the board contact cooling component, and is configured to replace the coolant in the bottom water cooling bin and the top water cooling bin.

[0007] In one embodiment of the present invention, a top water inlet valve and a top water outlet valve are respectively provided on the top water cooling bin, and a bottom water inlet valve and a bottom water outlet valve are respectively provided on the bottom water cooling bin.

[0008] In one embodiment of the present invention, the coolant replacement assembly includes: a top bin liquid replacement device and a bottom bin liquid replacement device, wherein the vertical circulation conveying device is arranged between the top bin liquid replacement device and the bottom bin liquid replacement device, and the top bin liquid replacement device includes: a horizontal driving device, an electric push rod, a water pump and a water delivery pump, wherein the electric push rod is arranged on the horizontal driving device, the water pump and the water delivery pump are respectively arranged at the driving end of the electric push rod, the water pumping end of the water pump is detachably connected to the top water outlet valve, and the water delivery end of the water delivery pump is detachably connected to the top water inlet valve; the top bin liquid replacement device and the bottom bin liquid replacement device have the same structure, and the bottom bin liquid replacement device is detachably connected to the bottom water inlet valve and the bottom water outlet valve, respectively.

[0009] In one embodiment of the present invention, the horizontal drive device includes: a drive bin, a motor, a ball screw, a ball slider and a connecting piece, wherein the motor is arranged in the drive bin, the ball screw is arranged at the driving end of the motor, the ball slider is arranged on the ball screw, and the ball slider is connected to the electric push rod through the connecting piece.

[0010] In one embodiment of the present invention, the plate contact cooling assembly also includes: two driving assemblies and two side water cooling devices, wherein the two driving assemblies are respectively arranged on the top water cooling bin, the two driving assemblies and the two side water cooling devices correspond one to one, the side water cooling devices are connected to the driving assemblies, and the driving assemblies are configured to drive the side water cooling devices to move.

[0011] In one embodiment of the present invention, the driving assembly includes: a Y-direction electric telescopic rod, an X-direction electric telescopic rod and a Z-direction electric telescopic rod, wherein the Y-direction electric telescopic rod is arranged in the top water cooling bin, the X-direction electric telescopic rod is arranged at the driving end of the Y-direction electric telescopic rod, the Z-direction electric telescopic rod is arranged at the driving end of the X-direction electric telescopic rod, and the side water cooling device is arranged at the driving end of the Z-direction electric telescopic rod.

[0012] In one embodiment of the present invention, the side water cooling device includes: multiple side water cooling bins, wherein the side water cooling bins are provided with a first electromagnet, the multiple side water cooling bins are vertically stacked, two adjacent side water cooling bins are magnetically connected by the first electromagnet, and one of the multiple side water cooling bins is connected to the driving end of the Z-axis electric telescopic rod; second electromagnets are respectively provided on both sides of the top water cooling bin, the two second electromagnets correspond one-to-one to the two side water cooling devices, and the side water cooling bins are magnetically connected to the second electromagnets.

[0013] In one embodiment of the present invention, it also includes: a side bin liquid replacement device, which includes: a mounting frame and a plurality of bidirectional gear pumps, the plurality of bidirectional gear pumps correspond one-to-one to the plurality of side water-cooling bins, and an electric control valve is provided on the side water-cooling bin, and the electric control valve is detachably connected to the bidirectional gear pump.

[0014] In one embodiment of the present invention, it also includes: an air cooling device and a conveyor belt device, wherein the air cooling device is U-shaped, and the air cooling device is arranged above the vertical circulation conveyor device for air cooling the foamed board, and the conveyor belt device is used to transport the foamed board before or after cooling.

[0015] Beneficial effects of the present invention: The vertical circulation conveyor device can reduce the floor space of the cooling conveying production line by driving multiple plate contact cooling components to move vertically and cyclically.

[0016] The bottom water cooling chamber and the top water cooling chamber carry out contact water cooling on the foam board, which can be applied to foam boards of various thicknesses, has a wide range of applications and good cooling uniformity.

[0017] The coolant replacement component automatically replaces the coolant in the bottom water-cooling bin and the top water-cooling bin, sustainably cools and shapes the foamed panels on the assembly line, and has high production efficiency.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which: Figure 1 It is a structural schematic diagram of a cooling and shaping device for a PET foamed board according to an embodiment of the present invention; Figure 2 is a schematic structural diagram of a plate contact cooling assembly according to an embodiment of the present invention; Figure 3 It is a schematic side view of the structure of a plate contact cooling assembly according to one embodiment of the present invention; Figure 4 A schematic diagram of the connection structure between a drive assembly and a side water cooling device according to an embodiment of the present invention; Figure 5 It is a schematic diagram of the connection structure of adjacent side water cooling bins according to one embodiment of the present invention; Figure 6 It is a schematic cross-sectional view of a side bin liquid replacement device according to an embodiment of the present invention; Figure 7 It is a schematic diagram of the connection structure between the side water cooling device and the top water cooling bin according to one embodiment of the present invention; Figure 8 FIG. 4 is a schematic cross-sectional structural diagram of a horizontal driving device according to an embodiment of the present invention.

[0020] As shown in the figure: 1. Vertical circulation conveyor, 2. Plate contact cooling assembly, 21. Bottom water cooling bin, 22. Hydraulic telescopic device, 23. Top water cooling bin, 24. Top water inlet valve, 25. Top water outlet valve, 26. Bottom water inlet valve, 27. Bottom water outlet valve, 28. Drive assembly, 281. Y-axis electric telescopic rod, 282. X-axis electric telescopic rod, 283. Z-axis electric telescopic rod, 29. Side water cooling device, 291. Side water cooling bin, 3. Coolant replacement assembly, 31 , top bin liquid replacement device, 311, horizontal drive device, 3111, drive bin, 3112, motor, 3113, ball screw, 3114, ball slider, 3115, connector, 312, electric push rod, 313, water pump, 314, water pump, 32, bottom bin liquid replacement device, 4, first electromagnet, 5, side bin liquid replacement device, 51, mounting frame, 52, bidirectional gear pump, 6, electric control valve, 7, air cooling device, 8, conveyor belt device, 9, second electromagnet. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] The cooling and shaping device for a PET foamed board according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0023] like Figure 1 and Figure 2 As shown, the PET foam board cooling and shaping device of the embodiment of the present invention may include: a vertical circulation conveyor 1, and a plurality of board contact cooling components 2. The plurality of board contact cooling components 2 are respectively arranged on the vertical circulation conveyor 1, and the vertical circulation conveyor 1 is configured to drive the plurality of board contact cooling components 2 to circulate.

[0024] It can be understood that the vertical circulating conveying device 1 described in this embodiment can be a vertically arranged conveyor belt assembly, which can reduce the floor space of the cooling and conveying production line by driving multiple plate contact cooling assemblies 2 to move vertically and cyclically.

[0025] The plate contact cooling assembly 2 may include: a bottom water cooling bin 21, a hydraulic telescopic device 22 and a top water cooling bin 23, wherein the bottom water cooling bin 21 is arranged on the vertical circulation conveying device 1, the hydraulic telescopic device 22 is arranged on the bottom water cooling bin 21, the top water cooling bin 23 is arranged at the driving end of the hydraulic telescopic device 22, and the bottom water cooling bin 21 and the top water cooling bin 23 are respectively connected with the foaming plate. A coolant replacement assembly 3 is arranged below the plate contact cooling assembly 2, and is configured to replace the coolant in the bottom water cooling bin 21 and the top water cooling bin 23.

[0026] It should be noted that the bottom water cooling bin 21 described in this embodiment is an L-shaped bin body, and is in contact with the bottom and side surfaces of the foam board, and the top water cooling bin 23 is a square bin body, and is in contact with the top surface of the foam board. The hydraulic expansion device 22 can control the top water cooling bin 23 to move closer to or away from the bottom water cooling bin 21 to adapt to foam boards of different thicknesses.

[0027] In one embodiment of the present invention, Figure 2 and Figure 3 As shown, the top water cooling bin 23 is provided with a top water inlet valve 24 and a top water outlet valve 25, respectively, and the bottom water cooling bin 21 is provided with a bottom water inlet valve 26 and a bottom water outlet valve 27, respectively. The coolant replacement assembly 3 comprises: a top bin liquid replacement device 31 and a bottom bin liquid replacement device 32, wherein the vertical circulation conveying device 1 is arranged between the top bin liquid replacement device 31 and the bottom bin liquid replacement device 32, and the top bin liquid replacement device 31 comprises: a horizontal driving device 311, an electric push rod 312, a water pump 313 and a water delivery pump 314, wherein the electric push rod 312 is arranged on the horizontal driving device 311, the water pump 313 and the water delivery pump 314 are respectively arranged at the driving end of the electric push rod 312, the water pumping end of the water pump 313 is detachably connected to the top water outlet valve 25, and the water delivery end of the water delivery pump 314 is detachably connected to the top water inlet valve 24. The top bin liquid replacement device 31 and the bottom bin liquid replacement device 32 have the same structure, and the bottom bin liquid replacement device 32 is detachably connected to the bottom water inlet valve 26 and the bottom water outlet valve 27 respectively. It should be noted that the water pumping end of the water pump 313 on the bottom bin liquid replacement device 32 described in this embodiment can be plugged into the bottom water outlet valve 27, and the water delivery end of the water delivery pump 314 thereon can be plugged into the bottom water inlet valve 26.

[0028] Furthermore, if Figure 8As shown, the horizontal driving device 311 may include: a driving bin 3111, a motor 3112, a ball screw 3113, a ball slider 3114 and a connecting piece 3115, wherein the motor 3112 is arranged in the driving bin 3111, the ball screw 3113 is arranged at the driving end of the motor 3112, the ball slider 3114 is arranged on the ball screw 3113, and the ball slider 3114 is connected to the electric push rod 312 through the connecting piece 3115.

[0029] It can be understood that the motor 3112 described in this embodiment can drive the ball screw 3113 to rotate, the ball slider 3114 can move on the rotating ball screw 3113, and the ball slider 3114 can drive the electric push rod 312 to move horizontally through the connecting piece 3115.

[0030] In one embodiment of the present invention, Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, the plate contact cooling assembly 2 may also include: two driving assemblies 28 and two side water cooling devices 29, wherein the two driving assemblies 28 are respectively arranged on the top water cooling bin 23, the two driving assemblies 28 and the two side water cooling devices 29 correspond one to one, the side water cooling devices 29 are connected to the driving assemblies 28, and the driving assemblies 28 are configured to drive the side water cooling devices 29 to move.

[0031] The driving assembly 28 includes: a Y-direction electric telescopic rod 281, an X-direction electric telescopic rod 282 and a Z-direction electric telescopic rod 283, wherein the Y-direction electric telescopic rod 281 is arranged on the top water cooling bin 23, the X-direction electric telescopic rod 282 is arranged on the driving end of the Y-direction electric telescopic rod 281, the Z-direction electric telescopic rod 283 is arranged on the driving end of the X-direction electric telescopic rod 282, and the side water cooling device 29 is arranged on the driving end of the Z-direction electric telescopic rod 283.

[0032] It can be understood that the Y-axis electric telescopic rod 281 described in this embodiment can drive the X-axis electric telescopic rod 282 to move along the Y-axis direction, the X-axis electric telescopic rod 282 can drive the Z-axis electric telescopic rod 283 to move along the X-axis direction, and the Z-axis electric telescopic rod 283 can drive the side water cooling device 29 to move along the Z-axis direction.

[0033] Further, the side water cooling device 29 may include: a plurality of side water cooling bins 291, wherein the side water cooling bins 291 are provided with a first electromagnet 4, the plurality of side water cooling bins 291 are stacked vertically, two adjacent side water cooling bins 291 are magnetically connected via the first electromagnet 4, and one of the plurality of side water cooling bins 291 is connected to the driving end of the Z-direction electric telescopic rod 283. Second electromagnets 9 are respectively provided on both sides of the top water cooling bin 23, the two second electromagnets 9 correspond one to one with the two side water cooling devices 29, and the side water cooling bins 291 are magnetically connected to the second electromagnets 9.

[0034] It can be understood that one of the multiple side water-cooling bins 291 described in this embodiment can be the bottommost side water-cooling bin 291 among multiple vertically stacked side water-cooling bins 291, and the side water-cooling bin 291 is fixedly connected to the driving end of the Z-axis electric telescopic rod 283.

[0035] In order to clearly explain the above embodiment, in one embodiment of the present invention, as Figure 1 and Figure 6 As shown, it may also include: a side bin liquid replacement device 5, the side bin liquid replacement device 5 may include: a mounting frame 51 and a plurality of bidirectional gear pumps 52, the plurality of bidirectional gear pumps 52 correspond one to one with the plurality of side water cooling bins 291, the side water cooling bin 291 is provided with an electric control valve 6, the electric control valve 6 is detachably connected to the bidirectional gear pump 52.

[0036] It can be understood that the electric control valve 6 described in this embodiment is plugged into one end of the bidirectional gear pump 52 .

[0037] Specifically, the side water cooling device 29 is adjusted according to the thickness of the foam board, and a suitable number of side water cooling bins 291 are magnetically attracted together by the first electromagnet 4. The driving component 28 adjusts the XYZ direction of the side water cooling bins 291 to keep them away from the bottom water cooling bin 21. The side water cooling bins 291 on both sides facilitate the foam board to be moved into the bottom water cooling bin 21. The hydraulic telescopic device 22 controls the top water cooling bin 23 to approach the foam board, and the driving component 28 controls the side water cooling bin 291 to approach the foam board. The adjustment of the plate contact cooling component 2 is completed until the top water cooling bin 23, the bottom water cooling bin 21 and the multiple side water cooling bins 291 are all in contact with the foam board.

[0038] The vertical circulation conveying device 1 performs vertical circulation conveying on the multiple plate contact cooling components 2. The temperature of the coolant in the water cooling bin will increase after a period of time, and the cooling effect will decrease. Therefore, the coolant in the water cooling bin needs to be replaced regularly.

[0039] The top bin liquid replacement device 31 connects the water pump 313 and the water delivery pump 314 to the top water cooling bin 23, and quickly replaces the coolant through the water pump 313 pumping water and the water delivery pump 314 delivering water. The bottom bin liquid replacement device 32 quickly replaces the coolant in the bottom water cooling bin 21 in the same way as the top bin liquid replacement device 31. When the side water cooling device 29 guides the foaming plate, the drive assembly 28 can replace the coolant in the side water cooling bin 291 by plugging the electric control valve 6 on the side water cooling bin 291 with the corresponding two-way gear pump 52, and the two-way gear pump 52 delivers water in both directions.

[0040] It should be noted that a temperature sensor may be provided in the water cooling chamber (eg, the top water cooling chamber 23, the bottom water cooling chamber 21, and the side water cooling chamber 291). A power storage device may be provided on the plate contact cooling assembly 2 to supply power for the operation of the plate contact cooling assembly 2.

[0041] In one embodiment of the present invention, Figure 1 As shown, it also includes: an air cooling device 7 and a conveyor belt device 8, wherein the air cooling device 7 is U-shaped, and the air cooling device 7 is arranged above the vertical circulation conveying device 1 for air cooling the foamed board, and the conveyor belt device 8 is used to transport the foamed board before or after cooling.

[0042] It should be noted that the motor 3112 described in the above embodiment is equipped with a brake, which can be used to quickly stop the motor 3112. A reduction gearbox is provided on the driving end of the motor 3112, and the driving end of the motor 3112 is connected to the input end of the reduction gearbox. The output end of the reduction gearbox constitutes the driving end of the motor 3112, and the output speed of the motor 3112 is adjusted by the reduction gearbox.

[0043] In summary, the PET foam board cooling and shaping device of the embodiment of the present invention can vertically cool and convey foam boards of various sizes by contact water cooling, and has good cooling uniformity.

[0044] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0046] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A PET foam board cooling and shaping device, characterized in that: include: A plurality of plate contact cooling assemblies (2) are respectively arranged on a vertical circulation conveying device (1), wherein the vertical circulation conveying device (1) is configured to drive the plurality of plate contact cooling assemblies (2) to circulate and move. The plate contact cooling assembly (2) comprises: a bottom water cooling bin (21), a hydraulic expansion and contraction device (22) and a top water cooling bin (23), wherein: The bottom water cooling bin (21) is arranged on the vertical circulation conveying device (1), the hydraulic telescopic device (22) is arranged on the bottom water cooling bin (21), the top water cooling bin (23) is arranged at the driving end of the hydraulic telescopic device (22), and the bottom water cooling bin (21) and the top water cooling bin (23) are respectively connected to the foaming plate in a contact manner; A coolant replacement assembly (3) is arranged below the plate contact cooling assembly (2) and is configured to replace the coolant in the bottom water cooling bin (21) and the top water cooling bin (23).

2. The PET foam board cooling and shaping device according to claim 1, characterized in that: The top water cooling bin (23) is provided with a top water inlet valve (24) and a top water outlet valve (25), and the bottom water cooling bin (21) is provided with a bottom water inlet valve (26) and a bottom water outlet valve (27).

3. The PET foam board cooling and shaping device according to claim 2, characterized in that: The coolant replacement assembly (3) comprises: a top bin liquid replacement device (31) and a bottom bin liquid replacement device (32), wherein the vertical circulation conveying device (1) is arranged between the top bin liquid replacement device (31) and the bottom bin liquid replacement device (32), and the top bin liquid replacement device (31) comprises: a horizontal driving device (311), an electric push rod (312), a water pump (313) and a water delivery pump (314), wherein the electric push rod (312) is arranged on the horizontal driving device (311), the water pump (313) and the water delivery pump (314) are respectively arranged at the driving end of the electric push rod (312), the water pumping end of the water pump (313) is detachably connected to the top water outlet valve (25), and the water delivery end of the water delivery pump (314) is detachably connected to the top water inlet valve (24); The top bin liquid replacement device (31) and the bottom bin liquid replacement device (32) have the same structure, and the bottom bin liquid replacement device (32) is detachably connected to the bottom water inlet valve (26) and the bottom water outlet valve (27), respectively.

4. The PET foam board cooling and shaping device according to claim 3, characterized in that: The horizontal drive device (311) comprises: a drive bin (3111), a motor (3112), a ball screw (3113), a ball slider (3114) and a connecting piece (3115), wherein the motor (3112) is arranged in the drive bin (3111), the ball screw (3113) is arranged at the drive end of the motor (3112), the ball slider (3114) is arranged on the ball screw (3113), and the ball slider (3114) is connected to the electric push rod (312) via the connecting piece (3115).

5. The PET foam board cooling and shaping device according to claim 1, characterized in that: The plate contact cooling assembly (2) further comprises: two drive assemblies (28) and two side water cooling devices (29), wherein the two drive assemblies (28) are respectively arranged on the top water cooling bin (23), the two drive assemblies (28) and the two side water cooling devices (29) correspond one to one, the side water cooling devices (29) are connected to the drive assemblies (28), and the drive assemblies (28) are configured to drive the side water cooling devices (29) to move.

6. The PET foam board cooling and shaping device according to claim 5, characterized in that: The driving assembly (28) comprises: a Y-direction electric telescopic rod (281), an X-direction electric telescopic rod (282), and a Z-direction electric telescopic rod (283), wherein the Y-direction electric telescopic rod (281) is arranged on the top water cooling bin (23), the X-direction electric telescopic rod (282) is arranged on the driving end of the Y-direction electric telescopic rod (281), the Z-direction electric telescopic rod (283) is arranged on the driving end of the X-direction electric telescopic rod (282), and the side water cooling device (29) is arranged on the driving end of the Z-direction electric telescopic rod (283).

7. The PET foam board cooling and shaping device according to claim 6, characterized in that: The side water cooling device (29) comprises: a plurality of side water cooling bins (291), wherein a first electromagnet (4) is provided on the side water cooling bin (291), the plurality of side water cooling bins (291) are stacked vertically, two adjacent side water cooling bins (291) are magnetically connected via the first electromagnet (4), and one of the plurality of side water cooling bins (291) is connected to a driving end of the Z-direction electric telescopic rod (283); Second electromagnets (9) are respectively arranged on both sides of the top water cooling bin (23); the two second electromagnets (9) correspond one to one with the two side water cooling devices (29); and the side water cooling bins (291) are magnetically connected to the second electromagnets (9).

8. The PET foam board cooling and shaping device according to claim 7, characterized in that: Also includes: A side bin liquid replacement device (5), the side bin liquid replacement device (5) comprising: a mounting frame (51) and a plurality of bidirectional gear pumps (52), the plurality of bidirectional gear pumps (52) corresponding one-to-one to the plurality of side water cooling bins (291), the side water cooling bins (291) being provided with an electric control valve (6), the electric control valve (6) being detachably connected to the bidirectional gear pump (52).

9. The PET foam board cooling and shaping device according to claim 1, characterized in that: Also includes: An air cooling device (7) and a conveyor belt device (8), wherein the air cooling device (7) is U-shaped, the air cooling device (7) is arranged above the vertical circulation conveyor device (1) and is used to air cool the foamed board, and the conveyor belt device (8) is used to transport the foamed board before or after cooling.

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