Polyester resin tabletting equipment

Abstract

The invention discloses polyester resin tabletting equipment which comprises a lower steel belt conveyor, the fixed thickness compression roller is arranged on the lower steel belt conveyor; the hydraulic telescopic device is arranged above the lower steel belt conveyor; the pre-fragmentation pressing plate is arranged at the driving end of the hydraulic telescopic device; the hydraulic telescopic device is configured to drive the pre-fragmentation pressing plate to press the fragmentation groove on the unsolidified polyester resin, so that the polyester resin is pre-fragmented; and the polyester tree fragmentation assembly is arranged on the lower steel belt conveyor and is used for fragmenting the polyester resin subjected to pre-fragmentation. Therefore, the polyester resin can be continuously tableted, and is timely sliced after being tableted, so that the production efficiency of the polyester resin is improved, and the space occupancy of equipment is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of polyester resin production, and particularly relates to a polyester resin tablet pressing device. Background Art

[0002] Polyester resin is the abbreviation of unsaturated polyester adhesive. In the related art, the production of polyester resin sheet materials requires raw materials to be extruded into a steel belt conveying device by a screw extrusion device for tablet pressing. After a polyester resin sheet material (large sheet material) is produced, it is cut to obtain the target polyester resin sheet material (large sheet material). This tablet pressing method requires intermittent tablet pressing, and after tablet pressing, a certain space is needed for storage and slitting process, which affects the tablet pressing efficiency and the equipment occupies a large space. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems in the above technologies to some extent.

[0004] For this reason, the purpose of the present invention is to provide a polyester resin tablet pressing device, which can continuously press polyester resin and perform timely slitting after tablet pressing, improve the production efficiency of polyester resin, and reduce the space occupancy of the equipment.

[0005] To achieve the above object, the present invention provides a polyester resin tablet pressing device, including: a lower steel belt conveyor; a thickness fixing pressing roller arranged on the lower steel belt conveyor; a hydraulic telescopic device arranged above the lower steel belt conveyor; a pre-slitting pressing plate arranged at the driving end of the hydraulic telescopic device; the hydraulic telescopic device is configured to drive the pre-slitting pressing plate to press a slitting groove on the unfrozen polyester resin to pre-slit the polyester resin; a polyester resin slitting assembly arranged on the lower steel belt conveyor for slitting the pre-slit polyester resin.

[0006] In an embodiment of the present invention, the polyester resin slitting assembly includes: an electric telescopic rod, a mounting block, a pressing roller, a first motor, a swing rod and a slitting roller, wherein the electric telescopic rod is arranged on the lower steel belt conveyor, the mounting block is fixedly arranged at the driving end of the electric telescopic rod, the pressing roller is rotatably arranged on the mounting block, the first motor is arranged on the lower steel belt conveyor, the swing rod is fixedly arranged at the driving end of the first motor, and the slitting roller is rotatably arranged on the swing rod.

[0007] In an embodiment of the present invention, the pre-slitting pressing plate is in the shape of a square plate body, and slitting needles are arranged at equal intervals at the lower part of the pre-slitting pressing plate.

[0008] In an embodiment of the present invention, the thickness - determining pressure roller includes: a roller body, a mounting plate, and a plurality of gaskets. Among them, a plurality of limiting rods are provided on the lower steel - belt conveyor. Through - holes for the limiting rods to penetrate are respectively formed in the mounting plate and the gaskets. The roller body is rotatably arranged on the mounting plate, and the mounting plate and the plurality of gaskets are fixed on the lower steel - belt conveyor through threaded connectors.

[0009] In an embodiment of the present invention, the lower steel - belt conveyor includes: a lower conveyor main body, a lower steel belt, a lower cold - water tank, a plurality of lower guide rollers, and a lower refrigerating plate. Among them, the plurality of lower guide rollers are respectively rotatably arranged on the lower conveyor main body. The lower steel belt is sleeved on the lower conveyor main body and the plurality of lower guide rollers. The lower cold - water tank is arranged below the lower conveyor main body. The plurality of lower guide rollers are used to press the lower steel belt into the lower cold - water tank. The lower refrigerating plate is arranged on the lower conveyor main body, and the upper surface of the lower refrigerating plate is in contact connection with the inner wall of the lower steel belt. Among them, the lower refrigerating plate is arranged above the lower cold - water tank.

[0010] In an embodiment of the present invention, an upper steel - belt conveyor is arranged above the lower steel - belt conveyor. The upper steel - belt conveyor includes: an upper conveyor main body, an upper steel belt, an upper cold - water tank, a plurality of upper guide rollers, and an upper refrigerating plate. Among them, the plurality of upper guide rollers are respectively rotatably arranged on the upper conveyor main body. The upper steel belt is sleeved on the upper conveyor main body and the plurality of upper guide rollers. The upper cold - water tank is arranged on the upper conveyor main body. The plurality of upper guide rollers are used to press the upper steel belt into the upper cold - water tank. The upper refrigerating plate is arranged on the upper conveyor main body, and the lower surface of the upper refrigerating plate is in contact connection with the inner wall of the upper steel belt. Among them, the upper refrigerating plate is arranged below the upper cold - water tank.

[0011] In an embodiment of the present invention, an inclined plate is arranged on the lower inner wall of the lower cold - water tank. A water outlet pipe is arranged on the lower cold - water tank. The water outlet pipe is arranged at a position close to the lower end of the inclined plate. Among them, the lower cold - water tank and the upper cold - water tank have the same structure.

[0012] In an embodiment of the present invention, it further includes: a plurality of steel - belt cleaning components. Among them, each steel - belt cleaning component includes: a box body, an electric push rod, and a cleaning - roller switching device. Among them, the electric push rod is arranged inside the box body. The cleaning - roller switching device is arranged at the driving end of the electric push rod. The cleaning - roller switching device is in contact connection with the steel belt.

[0013] In one embodiment of the present invention, the cleaning roll switching device includes: a mounting frame, a second motor, a rotating plate, and a plurality of cleaning rolls. Among them, the mounting frame is arranged at the driving end of the electric push rod, the second motor is arranged on the mounting frame, the rotating plate is arranged at the driving end of the second motor, and the plurality of cleaning rolls are respectively rotatably arranged on the rotating plate. Among them, the cleaning roll is in contact connection with the steel belt.

[0014] In one embodiment of the present invention, it further includes: a feeding device and a guiding plate. Among them, the feeding device is arranged above the lower steel belt conveyor, the guiding plate is arranged at the discharging end of the feeding device, and the upper steel belt conveyor is arranged between the feeding device and the polyester resin slicing assembly.

[0015] Advantages of the present invention: By pressing the pre-slicing pressing plate on the uncured polyester resin, a slicing groove can be pressed on the whole polyester resin sheet. The polyester resin slicing assembly can separate the target polyester resin sheet from the whole polyester resin sheet along the slicing groove pressed by the pre-slicing pressing plate by pressing the target polyester resin, without leaving an interval between each pressing, and can perform slicing at the end of the tablet pressing process, improving the tablet pressing efficiency. At the same time, there is no need to set up storage and slitting stations for the whole polyester resin sheet, optimizing the utilization rate of production space.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above-mentioned and / or additional aspects and advantages of the present invention will become apparent and easy to understand from the following description of the embodiments in conjunction with the drawings, where: Figure 1 is a schematic diagram of the overall structure of a polyester resin tablet pressing device according to an embodiment of the present invention; Figure 2 is a schematic diagram of the connection structure of the lower steel belt conveyor and the polyester resin slicing assembly according to an embodiment of the present invention; Figure 3 is a schematic cross-sectional view of the lower steel belt conveyor according to an embodiment of the present invention; Figure 4 is a schematic diagram of the structure of the upper steel belt conveyor according to an embodiment of the present invention; Figure 5 is a schematic cross-sectional view of the upper steel belt conveyor according to an embodiment of the present invention; Figure 6 is a schematic diagram of the connection structure of the pre-slicing pressing plate and the slicing needle according to an embodiment of the present invention; Figure 7Schematic cross-sectional structure diagram of a steel belt cleaning assembly according to an embodiment of the present invention.

[0018] As shown in the figure: 1. Lower steel belt conveyor, 11. Lower conveyor main body, 12. Lower steel belt, 13. Lower cold water tank, 14. Lower guide roller, 15. Lower refrigeration plate, 16. Inclined plate, 17. Outlet pipe, 2. Thickness fixing pressure roller, 21. Roller body, 22. Mounting plate, 23. Gasket, 24. Limit rod, 3. Hydraulic telescopic device, 4. Pre-slicing pressure plate, 5. Polyester resin slicing assembly, 51. Electric telescopic rod, 52. Mounting block, 53. Pressure roller, 54. First motor, 55. Swing rod, 56. Slicing roller, 6. Slicing needle, 7. Upper steel belt conveyor, 71. Upper conveyor main body, 72. Upper steel belt, 73. Upper cold water tank, 74. Upper guide roller, 75. Upper refrigeration plate, 8. Steel belt cleaning assembly, 81. Box body, 82. Electric push rod, 83. Cleaning roller switching device, 831. Mounting frame, 832. Second motor, 833. Rotating plate, 834. Cleaning roller, 9. Feeding device, 10. Guide plate. Detailed implementation mode

[0019] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation of the present invention.

[0020] The polyester resin tablet pressing equipment according to the embodiment of the present invention will be described below with reference to the drawings.

[0021] As Figure 1 shown, the polyester resin tablet pressing equipment according to the embodiment of the present invention may include: a lower steel belt conveyor 1, a thickness fixing pressure roller 2, a hydraulic telescopic device 3, a pre-slicing pressure plate 4, and a polyester resin slicing assembly 5.

[0022] Among them, the thickness fixing pressure roller 2 is arranged on the lower steel belt conveyor 1, the hydraulic telescopic device 3 is arranged above the lower steel belt conveyor 1, the pre-slicing pressure plate 4 is arranged at the driving end of the hydraulic telescopic device 3, and the hydraulic telescopic device 3 is configured to drive the pre-slicing pressure plate 4 to press the unfrozen polyester resin to pre-slice the polyester resin. The polyester resin slicing assembly 5 is arranged on the lower steel belt conveyor 1 and is used for slicing the pre-sliced polyester resin.

[0023] It should be noted that the hydraulic telescopic device 3 described in this embodiment can control the vertical movement of the pre-slicing pressure plate 4. By pressing the pre-slicing pressure plate 4 on the unfrozen polyester resin, a relatively deep groove will be left on the whole polyester resin sheet, which is convenient for the subsequent slicing process of the polyester resin slicing assembly 5.

[0024] Furthermore, asFigure 6 As shown, the pre-segment pressing plate 4 is a square plate body, and segmenting needles 6 are arranged at equal intervals at the lower part of the pre-segment pressing plate 4.

[0025] For clearly explaining the previous embodiment, in an embodiment of the present invention, as Figure 2 shown, the polyester resin segmenting assembly 5 may include: an electric telescopic rod 51, a mounting block 52, a pressing roller 53, a first motor 54, a swing rod 55 and a segmenting roller 56. Among them, the electric telescopic rod 51 is arranged on the lower steel belt conveyor 1, the mounting block 52 is fixedly arranged on the driving end of the electric telescopic rod 51, the pressing roller 53 is rotatably arranged on the mounting block 52, the first motor 54 is arranged on the lower steel belt conveyor 1, the swing rod 55 is fixedly arranged on the driving end of the first motor 54, and the segmenting roller 56 is rotatably arranged on the swing rod 55.

[0026] It can be understood that in this embodiment, the electric telescopic rod 51 described can control the pressing roller 53 to abut against the upper surface of the whole polyester resin sheet through the mounting block 52, and the rotating pressing roller 53 does not affect the transportation of the whole polyester resin sheet by the lower steel belt conveyor 1. And the first motor 54 can control the segmenting roller 56 to press the end of the whole polyester resin sheet through the swing rod 55, and separate the target polyester resin sheet from the whole polyester resin sheet along the groove pressed out by the pre-segment pressing plate 4.

[0027] In an embodiment of the present invention, as Figure 1 and Figure 2 shown, the thickness-fixed pressing roller 2 may include: a roller body 21, a mounting plate 22 and a plurality of gaskets 23. Among them, a plurality of limiting rods 24 are arranged on the lower steel belt conveyor 1, through holes for the limiting rods 24 to penetrate are respectively opened on the mounting plate 22 and the gaskets 23, the roller body 21 is rotatably arranged on the mounting plate 22, and the mounting plate 22 and the plurality of gaskets 23 are fixed on the lower steel belt conveyor 1 through threaded connectors.

[0028] It should be noted that in this embodiment, the threaded connectors (for example, bolts, screws, etc.) can fix the mounting plate 22 and the target number of gaskets 23 on the lower steel belt conveyor 1 through threaded connection with the lower steel belt conveyor 1, and the target number of gaskets 23 is positively correlated with the thickness of the polyester resin sheet.

[0029] In an embodiment of the present invention, as Figure 2 and Figure 3As shown in the figure, the lower steel belt conveyor 1 may include: a lower conveyor main body 11, a lower steel belt 12, a lower cold water tank 13, a plurality of lower guide rollers 14, and a lower cooling plate 15. Among them, the plurality of lower guide rollers 14 are respectively rotatably arranged on the lower conveyor main body 11, the lower steel belt 12 is sleeved on the lower conveyor main body 11 and the plurality of lower guide rollers 14, the lower cold water tank 13 is arranged below the lower conveyor main body 11, the plurality of lower guide rollers 14 are used to press the lower steel belt 12 into the lower cold water tank 13, the lower cooling plate 15 is arranged on the lower conveyor main body 11, and the upper surface of the lower cooling plate 15 is in contact connection with the inner wall of the lower steel belt 12. Among them, the lower cooling plate 15 is arranged above the lower cold water tank 13.

[0030] Specifically, when the polyester resin raw material falls on the lower steel belt 12, the hydraulic telescopic device 3 can control the pre-slicing pressing plate 4 and the slicing needle 6 to press the polyester resin raw material after the polyester resin raw material is pressed to the target thickness by the thickness-fixed pressing roller 2 and before the polyester resin raw material solidifies to a certain hardness, and leave grooves for slicing on the whole polyester resin sheet. The lower cooling plate 15 cools the lower steel belt 12 that is in contact with the polyester resin raw material, and the lower cold water tank 13 cools the lower steel belt 12 that is not in contact with the polyester resin raw material, so that the lower steel belt 12 is always at a lower temperature, facilitating the solidification of the whole polyester resin sheet.

[0031] While the rotating pressing roller 53 presses the whole polyester resin sheet, the first motor 54 can control the slicing roller 56 to press the end of the whole polyester resin sheet through the swing rod 55, and separate the target polyester resin sheet body from the whole polyester resin sheet along the groove pressed out by the pre-slicing pressing plate 4 to obtain the target polyester resin sheet body. It should be noted that the target polyester resin sheet body does not have a very strict size. The slicing of the polyester resin sheet is for the convenience of transportation and crushing by the crusher. Therefore, if the fracture point during slicing is not at the groove, it does not affect the qualification rate of the polyester resin sheet body.

[0032] In an embodiment of the present invention, as Figure 4 and Figure 5 shown, an upper steel belt conveyor 7 is arranged above the lower steel belt conveyor 1. The upper steel belt conveyor 7 may include: an upper conveyor main body 71, an upper steel belt 72, an upper cold water tank 73, a plurality of upper guide rollers 74, and an upper cooling plate 75. Among them, the plurality of upper guide rollers 74 are respectively rotatably arranged on the upper conveyor main body 71, the upper steel belt 72 is sleeved on the upper conveyor main body 71 and the plurality of upper guide rollers 74, the upper cold water tank 73 is arranged on the upper conveyor main body 71, the plurality of upper guide rollers 74 are used to press the upper steel belt 72 into the upper cold water tank 73, the upper cooling plate 75 is arranged on the upper conveyor main body 71, and the lower surface of the upper cooling plate 75 is in contact connection with the inner wall of the upper steel belt 72. Among them, the upper cooling plate 75 is arranged below the upper cold water tank 73.

[0033] An inclined plate 16 is provided on the lower inner wall of the lower cold water tank 13. An outlet pipe 17 is provided on the lower cold water tank 13, and the outlet pipe 17 is provided at a position close to the lower end of the inclined plate 16. Among them, the lower cold water tank 13 and the upper cold water tank 73 have the same structure.

[0034] It should be noted that in this embodiment, the lower cold water tank 13 and the lower cooling plate 15 described can cooperate with an external coolant replacement component to timely replace the coolant in the lower cold water tank 13 and the lower cooling plate 15. Liquid outlets and liquid inlets are provided on the cooling plates (the lower cooling plate 15 and the upper cooling plate 75) to facilitate the replacement of the coolant in the cooling plates. The cold water tanks (the lower cold water tank 13 and the upper cold water tank 73) can be directly poured into the tank body from the tank opening. When replacing the coolant, the coolant in the cold water tank can be discharged through the outlet pipe 17.

[0035] In an embodiment of the present invention, as Figure 1 and Figure 7 shown, it may further include: a plurality of steel belt cleaning components 8, a feeding device 9 and a guiding plate 10. Among them, the feeding device 9 is arranged above the lower steel belt conveyor 1, the guiding plate 10 is arranged at the discharging end of the feeding device 9, and the upper steel belt conveyor 7 is arranged between the feeding device 9 and the polyester resin slicing component 5.

[0036] The steel belt cleaning component 8 may include: a box body 81, an electric push rod 82 and a cleaning roller switching device 83. Among them, the electric push rod 82 is arranged inside the box body 81, the cleaning roller switching device 83 is arranged at the driving end of the electric push rod 82, and the cleaning roller switching device 83 is in contact connection with the steel belt (the upper steel belt 72 or the lower steel belt 12). The cleaning roller switching device 83 may include: a mounting frame 831, a second motor 832, a rotating plate 833 and a plurality of cleaning rollers 834. Among them, the mounting frame 831 is arranged at the driving end of the electric push rod 82, the second motor 832 is arranged on the mounting frame 831, the rotating plate 833 is arranged at the driving end of the second motor 832, and the plurality of cleaning rollers 834 are respectively rotatably arranged on the rotating plate 833. Among them, the cleaning roller 834 is in contact connection with the steel belt (the upper steel belt 72 or the lower steel belt 12).

[0037] It should be noted that two of the plurality of steel belt cleaning components 8 described in this embodiment can be provided, and the specific installation positions can be freely adjusted according to the working space, so that the electric push rod 82 can drive one of the plurality of cleaning rollers 834 through the mounting frame 831 to be in contact with the steel belt (the upper steel belt 72 or the lower steel belt 12). The cleaning roller 834 cleans the steel belt. After cleaning for a period of time, the second motor 832 can switch the working positions of the plurality of cleaning rollers 834 through the rotating plate 833 to replace the cleaning roller 834 after the cleaning work is completed.

[0038] It should be noted that the motors described in the above embodiments (for example, the first motor 54, the second motor 832, etc.) are equipped with braking devices, which can quickly stop the motors. A speed reducer is provided on the driving end of the motor. The driving end of the motor is connected to the input end of the speed reducer, and the output end of the speed reducer constitutes the driving end of the motor. The speed reducer adjusts the rotational speed output by the motor.

[0039] In summary, the polyester resin tablet pressing device according to the embodiments of the present invention can continuously press polyester resin, and perform timely slicing after pressing, improving the production efficiency of polyester resin and reducing the space occupation rate of the device.

[0040] In the description of this specification, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0041] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0042] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A polyester resin tablet pressing device, characterized in that, Comprising: Lower steel belt conveyor (1); Thickness - setting pressure roller (2), arranged on the lower steel belt conveyor (1); Hydraulic telescopic device (3), arranged above the lower steel belt conveyor (1); Pre - slicing pressing plate (4), arranged at the driving end of the hydraulic telescopic device (3); The hydraulic telescopic device (3) is configured to drive the pre - slicing pressing plate (4) to press the slicing groove on the unfrozen polyester resin, so as to pre - slice the polyester resin; Polyester resin slicing assembly (5), arranged on the lower steel belt conveyor (1), for slicing the pre - sliced polyester resin.

2. The polyester resin tablet pressing device according to claim 1, characterized in that, The polyester resin slicing assembly (5) includes: electric telescopic rod (51), mounting block (52), pressure roller (53), first motor (54), swing rod (55) and slicing roller (56). Among them, the electric telescopic rod (51) is arranged on the lower steel belt conveyor (1), the mounting block (52) is fixedly arranged at the driving end of the electric telescopic rod (51), the pressure roller (53) is rotatably arranged on the mounting block (52), the first motor (54) is arranged on the lower steel belt conveyor (1), the swing rod (55) is fixedly arranged at the driving end of the first motor (54), and the slicing roller (56) is rotatably arranged on the swing rod (55).

3. The polyester resin tablet pressing device according to claim 1, characterized in that, The pre - slicing pressing plate (4) is in the shape of a square plate body, and slicing needles (6) are arranged at equal intervals at the lower part of the pre - slicing pressing plate (4).

4. The polyester resin tablet pressing device according to claim 1, characterized in that, The thickness - setting pressure roller (2) includes: roller body (21), mounting plate (22) and a plurality of gaskets (23). Among them, a plurality of limit rods (24) are arranged on the lower steel belt conveyor (1), through - holes for the limit rods (24) to penetrate are respectively opened on the mounting plate (22) and the gaskets (23), the roller body (21) is rotatably arranged on the mounting plate (22), and the mounting plate (22) and the plurality of gaskets (23) are fixed on the lower steel belt conveyor (1) through threaded connectors.

5. The polyester resin tablet pressing device according to claim 1, wherein, The lower steel belt conveyor (1) includes: lower conveyor main body (11), lower steel belt (12), lower cold water tank (13), a plurality of lower guide rollers (14) and lower refrigerating plate (15). Among them, the plurality of lower guide rollers (14) are respectively rotatably arranged on the lower conveyor main body (11), the lower steel belt (12) is sleeved on the lower conveyor main body (11) and the plurality of lower guide rollers (14), the lower cold water tank (13) is arranged below the lower conveyor main body (11), the plurality of lower guide rollers (14) are used to press the lower steel belt (12) into the lower cold water tank (13), the lower refrigerating plate (15) is arranged on the lower conveyor main body (11), and the upper surface of the lower refrigerating plate (15) is in contact connection with the inner wall of the lower steel belt (12). Among them, the lower refrigerating plate (15) is arranged above the lower cold water tank (13).

6. The polyester resin tablet pressing device according to claim 5, characterized in that, Above the lower steel belt conveyor (1), there is an upper steel belt conveyor (7), and the upper steel belt conveyor (7) includes: an upper conveyor main body (71), an upper steel belt (72), an upper cold water tank (73), a plurality of upper guide rollers (74), and an upper refrigeration plate (75). Among them, the plurality of upper guide rollers (74) are respectively rotatably arranged on the upper conveyor main body (71), the upper steel belt (72) is sleeved on the upper conveyor main body (71) and the plurality of upper guide rollers (74), the upper cold water tank (73) is arranged on the upper conveyor main body (71), the plurality of upper guide rollers (74) are used to press the upper steel belt (72) into the upper cold water tank (73), the upper refrigeration plate (75) is arranged on the upper conveyor main body (71), and the lower surface of the upper refrigeration plate (75) is in contact connection with the inner wall of the upper steel belt (72). Among them, the upper refrigeration plate (75) is arranged below the upper cold water tank (73).

7. The polyester resin tablet pressing device according to claim 6, characterized in that, On the lower inner wall of the lower cold water tank (13), there is an inclined plate (16), and on the lower cold water tank (13), there is a water outlet pipe (17), and the water outlet pipe (17) is arranged at a position close to the lower end of the inclined plate (16). Among them, the lower cold water tank (13) and the upper cold water tank (73) have the same structure.

8. The polyester resin tablet pressing device according to claim 1, characterized in that, It further includes: A plurality of steel belt cleaning components (8). Among them, the steel belt cleaning component (8) includes: a box body (81), an electric push rod (82), and a cleaning roller switching device (83). Among them, the electric push rod (82) is arranged inside the box body (81), the cleaning roller switching device (83) is arranged at the driving end of the electric push rod (82), and the cleaning roller switching device (83) is in contact connection with the steel belt.

9. The polyester resin tablet pressing device according to claim 8, characterized in that, The cleaning roller switching device (83) includes: a mounting frame (831), a second motor (832), a rotating plate (833), and a plurality of cleaning rollers (834). Among them, the mounting frame (831) is arranged at the driving end of the electric push rod (82), the second motor (832) is arranged on the mounting frame (831), the rotating plate (833) is arranged at the driving end of the second motor (832), and the plurality of cleaning rollers (834) are respectively rotatably arranged on the rotating plate (833). Among them, the cleaning roller (834) is in contact connection with the steel belt.

10. The polyester resin tablet pressing device according to claim 6, characterized in that, It further includes: A feeding device (9) and a guiding plate (10). Among them, the feeding device (9) is arranged above the lower steel belt conveyor (1), the guiding plate (10) is arranged at the discharging end of the feeding device (9), and the upper steel belt conveyor (7) is arranged between the feeding device (9) and the polyester resin slicing component (5).

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