Press-fit device and press-fit method for external wall thermal insulation decorative plate

Abstract

The invention relates to an external wall thermal insulation decorative plate pressing device and a pressing method thereof. Comprising a base movably installed on a pressing machine lower pressing plate, limiting columns fixedly installed on the base, a pressure maintaining plate arranged above the limiting columns in a sleeving mode and a pressure bearing body fixedly installed above the pressure maintaining plate and matched with the pressing machine lower pressing plate, and the tops of the limiting columns penetrate through the pressure maintaining plate to be arranged on the two sides of the pressure bearing body in a limited mode. A limiting column external thread layer is arranged at the top of the limiting column, and the limiting column external thread layer is sleeved with a pressure maintaining fastening nut; the transportation pressure maintaining mechanism is used for carrying out pressure maintaining treatment on the outer wall heat preservation decorative plate stacked part after preset pressure and partial pressure maintaining are carried out, materials are fastened and fixed between the pressure maintaining plate and the base through the pressure maintaining fastening nut, the pressure maintaining time is greatly shortened, and the plate discharging efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of production of lightweight composite thermal insulation panels, and in particular to a device and method for pressing exterior wall thermal insulation decorative panels. Background Art

[0002] Exterior wall insulation decorative panels utilize the unique structure of solid materials to limit air convection and infrared transmission. They are characterized by light weight, a loose and porous structure, and low thermal conductivity. They are primarily composed of a base layer, an insulation layer, and a finishing layer, manufactured through chemical, composite, and foaming techniques. They offer excellent fire resistance, excellent thermal insulation, and resistance to corrosion and aging. They also feature a low overall density, are lightweight, and are environmentally friendly and durable.

[0003] In the production process of exterior wall insulation decorative panels, the pressing process is very important. When different layer structures are bonded and stacked to form a composite board, a pressing device is required to implement the molding operation. The current pressing methods include cold pressing and hot pressing. The hot pressing process is fast, and usually curing and composite molding can be achieved within a few minutes, but it has high requirements for the use of the press and high equipment cost. The press needs to be preheated in advance, and only a single board can be pressed during the overall pressing process. The efficiency is low and it is not suitable for large-scale production and use. The cold pressing process is to stack several boards and then perform cold pressing on them uniformly. Its advantage is that a large number of boards can be cold pressed at a time. Its disadvantage is that the glue needs a long time to cure and the pressure holding time is longer.

[0004] The above processes show that cold pressing and hot pressing for producing exterior wall insulation decorative panels each have their advantages and disadvantages. However, from the perspectives of environmental protection, energy conservation, and cost reduction, cold pressing has a wider application range. During the cold pressing process for producing exterior wall insulation decorative panels, the press often needs to maintain pressure for a long time, which can last for several hours or even more than ten hours. This process undoubtedly reduces the efficiency of finished panel production and results in a waste of time.

[0005] Therefore, the traditional exterior wall thermal insulation decorative panel pressing device and pressing method have the defects of long pressing time and low panel output efficiency. Summary of the Invention

[0006] In order to solve the above problems, the present invention provides a simple structure, which uses an auxiliary pressure-maintaining structure and method to limit and maintain the pressure of the plate after reaching the set pressure of the press, and locks it through a locking mechanism to achieve pressure stability, so that the time during transportation is fully utilized as the pressure-maintaining time of the plate, the overall pressure-maintaining time is greatly shortened, the plate output efficiency is improved, time is saved, and at the same time, the pressure-maintaining requirements are guaranteed to be met. The device and method for pressing exterior wall insulation decorative panels are used to overcome the defects in the prior art.

[0007] The technical solution of the present invention is implemented as follows: a device for pressing exterior wall insulation decorative panels, including a press, a fixed transport and pressure-maintaining mechanism is arranged on the lower pressure plate of the press, the mechanism includes a base movably mounted on the lower pressure plate of the press, a limiting column fixedly mounted on the base, a pressure-maintaining plate sleeved above the limiting column, a pressure-bearing body fixedly mounted above the pressure-maintaining plate and cooperating with the lower pressure plate of the press, the top of the limiting column passes through the pressure-maintaining plate and is limitedly arranged on both sides of the pressure-bearing body, a limiting column external thread layer is provided at the top of the limiting column, and a pressure-maintaining fastening nut is sleeved on the limiting column external thread layer.

[0008] Furthermore, the limiting column is a cylindrical rod-shaped structure, there are four limiting columns, the bottoms of the four limiting columns are evenly installed on the four corners of the base by welding, and a first scale layer is provided in the upper middle part of the limiting column.

[0009] Furthermore, the pressure-bearing body is a square frame structure, the bottom of the pressure-bearing body and the top surface of the pressure-maintaining plate are an integrated structure, and horizontal crisscross reinforcing ribs are arranged in the pressure-bearing body.

[0010] Furthermore, the four limiting columns are equally divided into two groups, a left group and a right group, and a reinforcing support rod is fixedly installed between the middle parts of the two limiting columns in each group.

[0011] A device for pressing exterior wall insulation decorative panels includes a press, wherein a telescopic transport and pressure-maintaining mechanism is provided on the lower pressure plate of the press, the mechanism includes a base movably mounted on the lower pressure plate of the press, a sleeve movably mounted on the base, a telescopic rod is sleeved in the sleeve, a pressure-maintaining plate is sleeved above the telescopic rod, a pressure-bearing body that cooperates with the lower pressure plate of the press is fixedly mounted above the pressure-maintaining plate, the top of the telescopic rod passes through the pressure-maintaining plate and is limitedly arranged on both sides of the pressure-bearing body, a telescopic rod external thread layer is provided at the top of the telescopic rod, and a pressure-maintaining fastening nut is sleeved on the telescopic rod external thread layer.

[0012] Furthermore, a telescopic cavity is provided in the sleeve, the top of the telescopic cavity is connected to the outside through a telescopic hole, a telescopic rod is installed in the telescopic hole, the bottom of the telescopic rod is fixedly connected to a telescopic limit block movably installed in the telescopic cavity, and a second scale layer is provided in the middle and upper part of the telescopic rod.

[0013] Furthermore, the sleeve is a hollow rod-shaped structure, and there are four sleeves. The bottoms of the four sleeves are evenly installed on the four corners of the base through threaded connections, and sleeve installation grooves with internal thread layers are correspondingly provided on the four corners of the base.

[0014] Furthermore, the pressure-bearing body is a square frame structure, the bottom of the pressure-bearing body and the top surface of the pressure-maintaining plate are an integrated structure, a sleeve placement groove is provided in the pressure-bearing body, the length of the sleeve placement groove is not less than the length of the sleeve, and reinforcing ribs are provided between the inner walls of the sleeve placement groove and the pressure-bearing body.

[0015] Furthermore, a plate transfer rack limiting groove is provided on the top of the base, base transfer handles are fixedly installed on both sides of the top of the base, pressure keeping plate transfer handles are fixedly installed on both sides of the top of the pressure keeping plate, and feed transfer rail cars and discharge transfer rail cars are installed on both sides of the press. An automatic feed and discharge transfer rack that cooperates with the feed transfer rail car and the discharge transfer rail car is provided on the lower pressure plate of the press.

[0016] A method for pressing an exterior wall thermal insulation decorative panel pressing device, the method comprising the following steps: S1. Place the base onto the loading and unloading railcar, and stack the composite-pasted exterior wall insulation decorative panels neatly on top of the unloading seat. After reaching the preset number of layers, transfer them to the base via a forklift. S2. Place a pressure-maintaining plate on top of the topmost exterior wall insulation decorative panel. During placement, pass the top of the limit post or telescopic rod through the top of the pressure-maintaining plate. Use a servo motor-driven nut tightening device to tighten four pressure-maintaining fastening nuts with the same number of turns onto the outer thread layer of the limit post or telescopic rod at the top of the limit post or telescopic rod. S3. Use a loading and unloading railcar and an automatic loading and unloading rack to transport the base loaded with exterior wall insulation decorative panels to the lower platen of the press. The press is turned on. The lower platen of the press applies a preset pressure to the pressure-bearing body. After reaching the preset pressure, the pressure is maintained for a time equal to the preset pressure-maintaining time minus the shipping time of the same batch of goods. After the pressure-maintaining time is reached, tighten the four pressure-maintaining fastening nuts using a nut-tightening device with a servo motor and a precise number of turns. The number of tightening turns is converted according to the preset pressure range value. S4. After the pressure-maintaining fastening nut is tightened, the upper pressure plate of the press moves up, and the material in the pressure-maintaining state is transported to the transport vehicle through the automatic loading and unloading transfer rack and the unloading transfer rail car. The exterior wall insulation decorative panels are pressed and pressure-maintained during the cargo order transportation time. After being transported to the destination, the pressure-maintaining fastening nut is released, and the fixed transportation pressure-maintaining mechanism or the telescopic transportation pressure-maintaining mechanism is recovered.

[0017] The present invention has the following positive effects: 1. First, the present invention converts the cargo transportation time into the press pressure holding time, and uses the transportation pressure holding mechanism to implement pressure holding treatment on the stacked exterior wall thermal insulation decorative panels after the preset pressure and partial pressure holding time. The material is fastened and fixed between the pressure holding plate and the base by the pressure holding fastening nut. At the same time, handles and other components are designed for convenient transportation. During the transportation process, the transportation pressure holding mechanism in the pressure holding state is transported synchronously with the exterior wall thermal insulation decorative panels, which greatly shortens the pressure holding time and improves the panel output efficiency.

[0018] 2. The present invention combines the pressure-bearing body and the pressure-holding plate structure, and utilizes the above components to implement stable and steady pressure-bearing operations during the pressure-feeding stage of the press. During the pressure-holding and transportation stage, the precise number of turns of the pressure-holding fastening nut is used to fasten the material under the pressure-holding plate to achieve stable solidification and molding, which is suitable for efficiently shortening the pressure-holding time during the cold pressing operation.

[0019] 3. The press of the pressing device of the present invention is highly coordinated with the transportation and pressure-maintaining mechanism. The neatly stacked materials are matched with the base and then transported to the press for pressing. During the pressing process, the pressure-bearing body ensures that the upper pressure plate of the press will not block the telescopic rod or the limit column. The overall operation is convenient, and the pressure is stable through locking by the locking mechanism. The time during transportation is fully utilized as the pressure-maintaining time for the plate. The overall pressure-maintaining time is greatly shortened, the plate output efficiency is improved, and time is saved.

[0020] 4. The present invention innovates the structure and method without changing the traditional cold pressing, which can effectively shorten the holding time. The holding time is equal to the preset holding time minus the transportation time of the same batch of goods orders. During specific operation, it can be autonomously controlled according to the transportation time, while saving the holding time and ensuring the curing quality of the board. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the top structure of the present invention.

[0022] Figure 2 It is a schematic diagram of the main structure of the present invention.

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the fixed transport and pressure-maintaining mechanism of the present invention.

[0024] Figure 4 For the present invention Figure 3 Schematic diagram of the structure viewed from above.

[0025] Figure 5 It is a schematic diagram of the partial three-dimensional structure of the fixed transport and pressure-maintaining mechanism of the present invention.

[0026] Figure 6 This is a schematic diagram of the main structure of the telescopic transport and pressure-maintaining mechanism of the present invention.

[0027] Figure 7 This is one of the partial three-dimensional structural schematic diagrams of the telescopic transport and pressure-maintaining mechanism of the present invention.

[0028] Figure 8 This is the second partial three-dimensional structural diagram of the telescopic transport and pressure-maintaining mechanism of the present invention. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] In the following description of the invention, it should be noted that the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the invention. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. The term "connected" simply indicates a connection between devices and does not have any special meaning.

[0031] Example 1: Figure 1 、 2 As shown in Figures 3, 4, and 5, a device for pressing exterior wall thermal insulation decorative panels comprises a press 1, wherein the lower pressure plate of the press 1 is equipped with a fixed transport pressure-maintaining mechanism, which comprises a base 7 movably mounted on the lower pressure plate of the press 1, a limiting column 9 fixedly mounted on the base 7, a pressure-maintaining plate 10 sleeved above the limiting column 9, and a pressure-bearing body 11 fixedly mounted above the pressure-maintaining plate 10 and matched with the lower pressure plate of the press 1. The top of the limiting column 9 passes through the pressure-maintaining plate 10 and is limitedly arranged on both sides of the pressure-bearing body 11. A limiting column external thread layer is provided at the top of the limiting column 9, and a pressure-maintaining fastening nut 12 is sleeved on the limiting column external thread layer.

[0032] In this embodiment, during the use and transportation of the fixed transport pressure-maintaining mechanism, the limiting posts 9 are fixedly installed, with their bottoms directly fixed to the top of the base 7. The limiting posts 9 are cylindrical rod-shaped structures, and there are four limiting posts 9. The bottoms of the four limiting posts 9 are evenly installed on the four corners of the base 7 by welding, and a first scale layer is provided in the middle and upper parts of the limiting posts 9. The pressure-bearing body 11 is a square frame structure, and the bottom of the pressure-bearing body 11 and the top surface of the pressure-maintaining plate 10 are an integral structure. Horizontally crisscrossed reinforcing ribs 15 are provided in the pressure-bearing body 11. The four limiting posts 9 are equally divided into two groups, left and right, and a reinforcing support rod 18 is fixedly installed between the middle parts of the two limiting posts 9 in each group.

[0033] Specifically, the first scale layer can indicate the downward height of the pressure-maintaining plate 10 at the top of the limit column 9 during the pressure application process of the press 1. During the implementation of the preset pressure, the top surface of the limit column 9 is always located below the top of the pressure-bearing body 11, which needs to be controlled by the number of stacked layers of exterior wall insulation decorative panels.

[0034] Specifically, in order to prevent the fixed transport pressure maintaining mechanism from being damaged during the return transport after unloading the goods, the stability of the vertically installed limit column 9 is improved by strengthening the support rod 18 to avoid deformation or bending of the limit column 9 caused by collision during transportation.

[0035] A plate transfer rack limiting groove 14 is provided on the top of the base 7, base transfer handles 16 are fixedly installed on both sides of the top of the base 7, and pressure keeping plate transfer handles 17 are fixedly installed on both sides of the top of the pressure keeping plate 10. A feed transfer rail car 4 and a discharge transfer rail car 5 are installed on both sides of the press 1, and an automatic feed and discharge transfer rack 6 that cooperates with the feed transfer rail car 4 and the discharge transfer rail car 5 is provided on the lower pressure plate of the press 1.

[0036] Specifically, the feed transfer railcar 4, the discharge transfer railcar 5, and the automatic feed and discharge transfer rack 6 cooperate to automatically load and discharge the fixed transport and pressure-maintaining mechanism, improving loading and unloading efficiency. The feed transfer railcar 4 is mounted on the first track 2, and the discharge transfer railcar 5 is mounted on the second track 4. The first track 2 and the second track 4 are symmetrically arranged on either side of the feed and discharge port of the press 1.

[0037] When the pressing operation is carried out specifically, the base 7 is placed on the feeding and transferring rail car 4, and the composite and pasted exterior wall insulation decorative panels are neatly stacked on top of the transfer seat 8. After reaching the preset number of layers, they are transferred to the base 7 by a forklift; a pressure-keeping plate 10 is placed on the top of the uppermost exterior wall insulation decorative panel, and during the placement process, the top of the limit column 9 is passed through the top of the pressure-keeping plate 10, and a nut precise number of turns tightening device with a servo motor is used to set four pressure-keeping fastening nuts 12 with the same number of turns on the outer thread layer of the limit column at the top of the limit column 9; the feeding and transferring rail car 4 and the automatic feeding and unloading transfer rack 6 are used to carry the base 7 loaded with the exterior wall insulation decorative panels to the lower pressing plate of the press 1, and the press 1 is turned on, and the lower The pressure plate applies a preset pressure to the pressure-bearing body 11. After reaching the preset pressure, the pressure is maintained continuously. The pressure holding time is equal to the preset pressure holding time minus the transportation time of the same batch of goods orders. After reaching the pressure holding time, the four pressure-maintaining fastening nuts 12 are tightened using a nut precise number of turns tightening equipment with a servo motor, and the number of tightening turns is converted according to the preset pressure range value; after the pressure-maintaining fastening nuts 12 are tightened, the upper pressure plate of the press 1 moves up, and the material in the pressure-maintaining state is transported to the transport vehicle through the automatic feeding and unloading transfer rack 6 and the discharging and transfer rail car 5. The exterior wall insulation decorative panels are pressed and pressure-maintained using the goods order transportation time. After being transported to the destination, the pressure-maintaining fastening nuts 12 are released, and the fixed transportation and pressure-maintaining mechanism is recovered.

[0038] During the recycling process of the fixed transport pressure-maintaining mechanism, the pressure-maintaining plate 10 is sleeved on the limiting column 9 and then continuously moved down to the top position of the base 7 before being transported back, ensuring that the limiting column 9 is not collided during the return process.

[0039] Example 2, as Figure 1 、 6 As shown in Figures 7 and 8, a device for pressing exterior wall thermal insulation decorative panels comprises a press 1, wherein a telescopic transport and pressure-maintaining mechanism is provided on the lower pressing plate of the press 1, and the mechanism comprises a base 7 movably mounted on the lower pressing plate of the press 1, a sleeve 20 movably mounted on the base 7, a telescopic rod 21 is sleeved in the sleeve 20, a pressure-maintaining plate 10 is sleeved above the telescopic rod 21, a pressure-bearing body 11 which cooperates with the lower pressing plate of the press 1 is fixedly mounted above the pressure-maintaining plate 10, the top of the telescopic rod 21 passes through the pressure-maintaining plate 10 and is limitedly arranged on both sides of the pressure-bearing body 11, a telescopic rod external thread layer is provided at the top of the telescopic rod 21, and a pressure-maintaining fastening nut 12 is sleeved on the telescopic rod external thread layer.

[0040] In this embodiment, during use and transportation of the telescopic transport pressure-maintaining mechanism, the telescopic rod 21 can freely extend and retract within the telescopic cavity 22. The telescopic cavity 22 is provided within the sleeve 20, the top of which is connected to the outside via a telescopic hole 23. The telescopic rod 21 is mounted within the telescopic hole 23. The bottom of the telescopic rod 21 is fixedly connected to a telescopic stopper movably mounted within the telescopic cavity 22. A second scale layer is provided in the upper and middle portion of the telescopic rod 21. The sleeve 20 is a hollow rod-shaped structure. There are four sleeves 20, and the bottoms of the four sleeves 20 are evenly mounted on the four corners of the base 7 via threaded connections. Sleeve mounting grooves 19 with internal threads are provided at the four corners of the base 7. The pressure-bearing body 11 is a square frame structure, and the bottom of the pressure-bearing body 11 and the top surface of the pressure-maintaining plate 10 are an integrated structure. A sleeve placement groove 25 is provided in the pressure-bearing body 11, and the length of the sleeve placement groove 25 is not less than the length of the sleeve 20. A reinforcing rib 15 is provided between the sleeve placement groove 25 and the inner wall of the pressure-bearing body 11.

[0041] Specifically, the second scale layer can indicate the downward height of the pressure-maintaining plate 10 during the pressure application process of the press 1. During the implementation of the preset pressure, the top surface of the telescopic rod is always located below the top of the pressure-bearing body 11, which needs to be controlled by the number of stacked layers of exterior wall insulation decorative panels.

[0042] Specifically, in order to ensure that the telescopic transport pressure-maintaining mechanism is not damaged during the return transportation after unloading the goods, the sleeve 20 can be removed from the sleeve installation groove 19 with the internal thread layer and placed in the sleeve placement groove 25. During the return transportation process, the base 7 and the pressure-maintaining plate with the sleeve 20 placed thereon are superimposed to save return space, reduce return vehicles, and further save costs.

[0043] A plate transfer rack limiting groove 14 is provided on the top of the base 7, base transfer handles 16 are fixedly installed on both sides of the top of the base 7, and pressure keeping plate transfer handles 17 are fixedly installed on both sides of the top of the pressure keeping plate 10. A feed transfer rail car 4 and a discharge transfer rail car 5 are installed on both sides of the press 1, and an automatic feed and discharge transfer rack 6 that cooperates with the feed transfer rail car 4 and the discharge transfer rail car 5 is provided on the lower pressure plate of the press 1.

[0044] Specifically, the feed transfer railcar 4, the discharge transfer railcar 5, and the automatic feed and discharge transfer frame 6 cooperate to automatically load and discharge the retractable transport and pressure-maintaining mechanism, improving loading and unloading efficiency. The feed transfer railcar 4 is mounted on the first track 2, and the discharge transfer railcar 5 is mounted on the second track 4. The first track 2 and the second track 4 are symmetrically arranged on either side of the feed and discharge port of the press 1.

[0045] When the pressing operation is specifically implemented, the base 7 is placed on the feeding and transferring rail car 4, and the composite and pasted exterior wall insulation decorative panels are neatly stacked on the transfer seat 8. After reaching the preset number of layers, they are transferred to the base 7 by a forklift; a pressure-keeping plate 10 is placed on the top of the uppermost exterior wall insulation decorative panel. During the placement process, the top of the telescopic rod 21 is passed through the top of the pressure-keeping plate 10, and a nut precise number of turns tightening device with a servo motor is used to set the four pressure-keeping fastening nuts 12 with the same number of turns to the outer thread layer of the limit column or the outer thread layer of the telescopic rod at the top of the telescopic rod 21; the feeding and transferring rail car 4 and the automatic feeding and unloading transfer rack 6 are used to carry the base 7 loaded with the exterior wall insulation decorative panels to the lower pressing plate of the press 1, and the press 1 is turned on to press The lower pressure plate of the machine 1 applies a preset pressure to the pressure-bearing body 11. After reaching the preset pressure, the pressure is maintained continuously. The pressure holding time is equal to the preset pressure holding time minus the transportation time of the same batch of goods orders. After reaching the pressure holding time, the four pressure-maintaining fastening nuts 12 are tightened using a nut precise number of turns tightening device with a servo motor, and the number of tightening turns is converted according to the preset pressure range value; after the pressure-maintaining fastening nuts 12 are tightened, the upper pressure plate of the press 1 moves up, and the material in the pressure-maintaining state is transported to the transport vehicle through the automatic feeding and unloading transfer rack 6 and the discharging and transferring rail car 5. The exterior wall insulation decorative panels are pressed and pressure-maintained using the goods order transportation time. After being transported to the destination, the pressure-maintaining fastening nuts 12 are released, and the telescopic transportation and pressure-maintaining mechanism is recovered.

[0046] During the recycling process of the telescopic transport pressure-maintaining mechanism, the sleeve 20 is removed from the sleeve mounting groove 19 with the internal thread layer and placed in the sleeve placement groove 25. During the overall return transportation process, the base 7 and the pressure-maintaining plate with the sleeve 20 placed thereon are stacked to save return space and reduce the number of return vehicles. Compared with Example 1, the number of return vehicles can be saved and there will be no collision with the sleeve 20 and the telescopic rod 21.

[0047] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A device for pressing exterior wall insulation decorative panels, comprising a press (1), characterized in that: The lower pressure plate of the press (1) is equipped with a fixed transport pressure-maintaining mechanism, which includes a base (7) movably mounted on the lower pressure plate of the press (1), a limiting column (9) fixedly mounted on the base (7), a pressure-maintaining plate (10) sleeved on the limiting column (9), and a pressure-bearing body (11) fixedly mounted on the pressure-maintaining plate (10) and matched with the lower pressure plate of the press (1). The top of the limiting column (9) passes through the pressure-maintaining plate (10) and is limitedly set on both sides of the pressure-bearing body (11). A limiting column external thread layer is provided on the top of the limiting column (9), and a pressure-maintaining fastening nut (12) is sleeved on the limiting column external thread layer.

2. The exterior wall thermal insulation decorative panel pressing device according to claim 1, characterized in that: The limiting columns (9) are cylindrical rod-shaped structures. There are four limiting columns (9). The bottoms of the four limiting columns (9) are evenly mounted on the four corners of the base (7) by welding. A first scale layer is provided in the upper middle portion of the limiting columns (9).

3. The exterior wall thermal insulation decorative panel pressing device according to claim 1, characterized in that: The pressure-bearing body (11) is a square frame structure, the bottom of the pressure-bearing body (11) and the top surface of the pressure-maintaining plate (10) are an integral structure, and horizontal crisscross reinforcing ribs (15) are provided in the pressure-bearing body (11).

4. The exterior wall thermal insulation decorative panel pressing device according to claim 1, characterized in that: The four limiting columns (9) are equally divided into two groups, one on the left and one on the right. A reinforcing support rod (18) is fixedly installed between the middle parts of the two limiting columns (9) in each group.

5. A device for pressing exterior wall insulation decorative panels, comprising a press (1), characterized in that: A telescopic transport pressure-maintaining mechanism is provided on the lower pressure plate of the press (1), and the mechanism comprises a base (7) movably mounted on the lower pressure plate of the press (1), a sleeve (20) movably mounted on the base (7), a telescopic rod (21) is sleeved in the sleeve (20), a pressure-maintaining plate (10) is sleeved above the telescopic rod (21), a pressure-bearing body (11) matched with the lower pressure plate of the press (1) is fixedly mounted above the pressure-maintaining plate (10), the top of the telescopic rod (21) passes through the pressure-maintaining plate (10) and is limitedly arranged on both sides of the pressure-bearing body (11), a telescopic rod external thread layer is provided on the top of the telescopic rod (21), and a pressure-maintaining fastening nut (12) is sleeved on the telescopic rod external thread layer.

6. The exterior wall thermal insulation decorative panel pressing device according to claim 5, characterized in that: A telescopic cavity (22) is provided in the sleeve (20), the top of the telescopic cavity (22) is connected to the outside through a telescopic hole (23), a telescopic rod (21) is sleeved in the telescopic hole (23), the bottom of the telescopic rod (21) is fixedly connected to a telescopic limit block movably installed in the telescopic cavity (22), and a second scale layer is provided in the middle and upper part of the telescopic rod (21).

7. The exterior wall thermal insulation decorative panel pressing device according to claim 5, characterized in that: The sleeve (20) is a hollow rod-shaped structure. There are four sleeves (20). The bottoms of the four sleeves (20) are evenly mounted on the four corners of the base (7) by means of threaded connection. Sleeve mounting grooves (19) with internal thread layers are correspondingly provided on the four corners of the base (7).

8. The exterior wall insulation decorative panel pressing device according to claim 5, characterized in that: The pressure-bearing body (11) is a square frame structure. The bottom of the pressure-bearing body (11) and the top surface of the pressure-maintaining plate (10) are an integral structure. A sleeve placement groove (25) is provided in the pressure-bearing body (11). The length of the sleeve placement groove (25) is not less than the length of the sleeve (20). A reinforcing rib (15) is provided between the sleeve placement groove (25) and the inner wall of the pressure-bearing body (11).

9. The exterior wall thermal insulation decorative panel pressing device according to claim 1 or 5, characterized in that: The top of the base (7) is provided with a plate transfer rack limiting groove (14), base transfer handles (16) are fixedly installed on both sides of the top of the base (7), and pressure-maintaining plate transfer handles (17) are fixedly installed on both sides of the top of the pressure-maintaining plate (10). A feed transfer rail car (4) and a discharge transfer rail car (5) are matched and installed on both sides of the press (1), and an automatic feed and discharge transfer rack (6) that cooperates with the feed transfer rail car (4) and the discharge transfer rail car (5) is provided on the lower pressure plate of the press (1).

10. A method for pressing the exterior wall thermal insulation decorative panel pressing device according to any one of claims 1 to 9, characterized in that: The pressing method includes the following steps: S1. Place the base (7) on the feeding transfer rail car (4), and neatly stack the composite-pasted exterior wall insulation decorative panels on top of the transfer seat (8). After reaching the preset number of layers, transfer them to the base (7) by forklift; S2. Place a pressure-maintaining plate (10) on top of the topmost exterior wall insulation decorative plate. During the placement process, pass the top of the limiting column (9) or the telescopic rod (21) through the top of the pressure-maintaining plate (10). Use a nut precise number of turns tightening device with a servo motor to set four pressure-maintaining fastening nuts (12) with the same number of turns onto the limiting column outer thread layer or the telescopic rod outer thread layer at the top of the limiting column (9) or the telescopic rod (21); S3, using the feeding and transferring rail car (4) and the automatic feeding and discharging transfer rack (6) to carry the base (7) loaded with the exterior wall insulation decorative panel to the lower pressure plate of the press (1), and start the press (1). The lower pressure plate of the press (1) applies a preset pressure to the pressure-bearing body (11). After reaching the preset pressure, the pressure is maintained continuously. The pressure holding time is equal to the preset pressure holding time minus the transportation time of the same batch of goods orders. After reaching the pressure holding time, the four pressure-maintaining fastening nuts (12) are tightened using a nut precise number of turns tightening device with a servo motor. The number of tightening turns is converted according to the preset pressure range value. S4. After the pressure-maintaining fastening nut (12) is tightened, the upper pressure plate of the press (1) moves up, and the material in the pressure-maintaining state is transported to the transport vehicle through the automatic feeding and unloading transfer rack (6) and the unloading transfer rail car (5). The exterior wall insulation decorative panels are pressed and pressure-maintained during the transportation time of the cargo order. After being transported to the destination, the pressure-maintaining fastening nut (12) is released, and the fixed transportation pressure-maintaining mechanism or the telescopic transportation pressure-maintaining mechanism is recovered.

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