CN115742531A

CN115742531A - Pressing device and process for steel entrance door panel

Info

Publication number: CN115742531A
Application number: CN202211601257.3A
Authority: CN
Inventors: 贾成东
Original assignee: Anhui Xinyu Metal Materials Co ltd
Current assignee: Anhui Xinyu Metal Materials Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-03-07

Abstract

The invention relates to the technical field of entrance door production, in particular to a pressing device for a steel entrance door panel, which comprises a bonding module, wherein the bonding module comprises two top plates, the inner side surfaces of the two top plates are connected through a flexible bag body, the outer side surfaces of the two top plates are respectively provided with a pp sheet, a plurality of heating parts are arranged in the flexible bag body, each heating part is communicated with a first pipeline, the flexible bag body is communicated with a second pipeline, and heating materials are stored in the heating parts; a plurality of adjustable supporting pieces are further arranged inside the flexible bag body, and two ends of each supporting piece are fixedly connected with the two top plates respectively; the invention also provides a pressing process of the steel door access panel. Compared with the existing mode of realizing bonding by colloid spraying, the method has the advantages that the bonding range is controlled by the aid of the holes formed in the pp sheet in advance, operation is simple and convenient, and energy is not required to be spent on accurately controlling the colloid spraying range.

Description

Pressing device and process for steel entrance door panel

Technical Field

The invention relates to the technical field of entrance door production, in particular to a pressing device and a pressing process for a steel entrance door panel.

Background

In-process of steel entry door production, when making the door leaf, as shown in figure 1, because the door leaf of steel entry door is mainly by the door leaf main part, the panel is constituteed, need earlier door leaf main part internal surface spraying colloid, then place materials such as honeycomb paper that will be used for filling in the door leaf main part, then with spraying colloid on the panel internal surface, cover the panel in the door leaf main part at last, and press the panel and door leaf main part together with the help of hydraulic equipment or manual work, so that the material both sides surfaces such as honeycomb paper of filling bond respectively on door leaf main part inner wall and panel, can avoid later stage entry door in-process like this, because the removal of honeycomb paper causes the abnormal sound, can also utilize the honeycomb paper to carry out better support to the steel panel simultaneously. Such compression fittings is in the in-service use, in the spraying process, because the hole that is used for installing cat eye and lock is offered on door leaf main part and panel, do not need the spraying colloid around hole position like this, if spraying control is not good, lead to these holes around being spout the rubberizing, in the pressing process, cause the colloid to spill over very easily, the same if the colloid spraying around the hole is too little, probably can make filling material and door leaf link inseparably, produce the abnormal sound easily, in addition in the spraying process, if spraying equipment atmospheric pressure control is not good, the colloid adhesion that the spray gun jetted out is on the door leaf surface, the later stage is clear away also very trouble.

Disclosure of Invention

The invention aims to solve the defects that the glue spraying control is improper, glue overflow is easy to generate and the surface of a door leaf is easy to pollute in the prior art, and provides a pressing device and a pressing process for a steel door facing.

In order to achieve the purpose, the invention adopts the following technical scheme:

the laminating device for the steel entrance door panel comprises a bonding module, wherein the bonding module comprises two top plates, the inner side surfaces of the two top plates are connected through a flexible bag body, the outer side surfaces of the two top plates are respectively provided with a pp sheet, a plurality of heating parts are arranged in the flexible bag body, each heating part is communicated with a first pipeline, the flexible bag body is communicated with a second pipeline, and heating materials are stored in the heating parts;

the flexible bag body is internally provided with a plurality of adjustable supporting pieces, and two ends of each supporting piece are fixedly connected with the two top plates respectively.

Preferably, the piece that generates heat includes a water storage section of thick bamboo, an isolation section of thick bamboo, storage cage, drive module, a water storage section of thick bamboo passes through hose and first pipeline intercommunication, a rotatable isolation section of thick bamboo of installing in the water storage section of thick bamboo, fixed mounting has the storage cage in the isolation section of thick bamboo, a plurality of perforating hole has been seted up on the isolation section of thick bamboo inner wall, the storage has the material that generates heat in the storage cage, the gas outlet has been seted up on the water storage section of thick bamboo outer wall, cover and be fixed with the splashproof net on the gas outlet, drive module is used for driving the rotation of isolation section of thick bamboo.

Preferably, the driving module comprises a rotary cylinder, an exhaust mechanism, a first magnetic suction piece and a second magnetic suction piece, the rotary cylinder is sleeved on the water storage cylinder and can be rotatably connected to the water storage cylinder, and a plurality of groups of exhaust mechanisms communicated with the inside of the rotary cylinder are arranged on the surface of the rotary cylinder along the central axis of the rotary cylinder;

the exhaust mechanism comprises a plurality of exhaust pipes, the surface of the rotary cylinder is circumferentially provided with a plurality of exhaust pipes communicated with the inside of the rotary cylinder, and the exhaust pipes are obliquely arranged on the surface of the rotary cylinder;

the first magnetic attraction piece is fixed on the isolation cylinder, the second magnetic attraction piece is fixed on the rotary cylinder, and the first magnetic attraction piece and the second magnetic attraction piece attract each other.

Preferably, a plurality of cleaning strips are fixedly arranged on the outer wall of the isolation cylinder.

Preferably, the sweeping strip comprises a main body and synaptic wires, the main body is arc-shaped, and a plurality of synaptic wires are arranged on the surface of the main body along the extending direction of the main body.

Preferably, a plurality of water stirring strips are fixedly arranged on the inner wall of the isolation cylinder along the circumferential direction.

Preferably, an inclined water chute corresponding to the hose is formed in the inner wall of the water storage cylinder corresponding to the air outlet.

Preferably, a water retaining surrounding edge is fixed on the outer wall of the water storage barrel around the air outlet.

The invention also provides a pressing process of the steel door panel, which comprises the following steps:

s1, a door leaf main body is placed on a pressing platform, a pp sheet is placed in the door leaf main body, then an adhesion module is placed into the door leaf main body, a top plate located below the adhesion module is in full contact with the surface of the pp sheet, then another pp sheet is placed on the surface of the top plate located above the adhesion module, a panel covers the door leaf main body, and the panel is abutted to the door leaf main body through a hydraulic device;

s2, communicating the first pipeline with a liquid conveying device, communicating the second pipeline with a pressure control device, starting the liquid conveying device, synchronously inputting liquid into the plurality of heating parts through the first pipeline by the liquid conveying device, and simultaneously controlling the pressure in the flexible bag body through the pressure control device so as to avoid the damage of the flexible bag body;

s3, after the pp sheets are melted by heat generated by the reaction of the heating piece and the liquid, the two top plates are respectively bonded with the door leaf main body and the panel, the liquid conveying device is closed, then the first pipeline is connected with the extraction device, and the extraction device is started to extract residual liquid in the heating piece; meanwhile, the second pipeline is communicated with the dry gas input device, and dry air is input into the flexible bag body by the dry gas input device, so that the wet gas in the flexible bag body is brought into the heating element by the dry air and finally is extracted by the extraction device;

and S4, the first pipeline and the second pipeline are respectively disconnected with the extraction device and the dry gas input device, most of the first pipeline and the second pipeline are cut off, the pipelines are sealed, and the door leaf which is pressed is moved out.

The invention provides a pressing device and a process for a steel entrance door panel, which have the beneficial effects that: through setting up the bonding module, place the bonding module between door leaf main part and panel, then input liquid in the piece that generates heat towards in the bonding module, make liquid and the material that generates heat in the piece that generates heat take place exothermic reaction, and then let the expansion of flexible utricule, make flexible utricule support two roof respectively on the door leaf, the heat that further utilization produced melts the pp piece, thereby accomplish the bonding, realize the pressfitting of door leaf main part and panel under hydraulic equipment's assistance, compare in the mode that current colloid spraying realized bonding, the hole of opening in advance on utilizing the pp piece controls the bonding scope, and is simple and convenient to operate, need not spend the accurate control energy to colloid spraying scope.

Drawings

Fig. 1 is a schematic structural diagram of a bonding module of a pressing device for a steel service door panel according to the present invention;

fig. 2 is a schematic structural view of a heating element of a pressing device for a steel service door panel according to the present invention;

fig. 3 is a second structural schematic diagram of a heating element of a pressing device of a steel door access panel according to the present invention;

fig. 4 is a third structural schematic diagram of a heating element of a pressing device of a steel door access panel provided by the invention;

FIG. 5 is a schematic structural view of an isolation cylinder of a pressing device for a steel service door panel according to the present invention;

fig. 6 is a schematic cross-sectional structural view of a heating element of a pressing device for a steel service door panel according to the present invention;

fig. 7 is a schematic cross-sectional structural view of a heating element of a pressing device for a steel service door panel according to the present invention;

FIG. 8 is a schematic view illustrating the distribution of water storage material and liquid inside the heating element section of the pressing device for a steel service door panel according to the present invention;

fig. 9 is a schematic structural view of a cleaning strip of a pressing device for a steel service door panel according to the present invention;

fig. 10 is a schematic structural view of an adjustable supporting member of a pressing device for a steel service door panel according to the present invention.

In the figure: 1. a top plate; 2. a flexible bladder; 3. pp sheets; 4. a heat generating member; 401. a water storage cylinder; 402. an isolation cylinder; 403. a storage cage; 404. a water-repellent strip; 405. inclining the water chute; 406. a splash-proof net; 407. water retaining surrounding edges; 408. cleaning strips; 408a, a body; 408b, synaptic filaments; 409. a rotary drum; 4010. an exhaust pipe; 4011. a second magnetic attraction member; 4012. a first magnetic attraction member; 4013. a hose; 5. a first pipeline; 6. a second pipeline; 7. an adjustable support; 701. inserting a cylinder; 702. inserting a rod; 703. a clamping block; 704. an elastic element; 705. a card slot; 8. a door leaf main body; 9. a panel; 10. a heat generating material; 11. a liquid.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-10, a pressing device for a steel service door panel includes a bonding module, the bonding module includes two top plates 1, and the top plates 1 may be high temperature resistant silica gel plates. The inner side surfaces of the two top plates 1 are connected through the flexible bag body 2, the outer side surfaces of the two top plates 1 are respectively provided with a pp sheet 3, and holes corresponding to the positions of the cat eye and the door lock hole are formed in the pp sheet 3 in advance. A plurality of heating pieces 4 are arranged in the flexible bag body 2, each heating piece 4 is communicated with a first pipeline 5, the flexible bag body 2 is communicated with a second pipeline 6, and heating materials are stored in the heating pieces 4; the main body of the flexible bag body 2 is composed of a high temperature resistant film body which can be made of high temperature resistant rubber, and the outer surface of the film body is respectively connected with the two top plates 1. The main body of the flexible bag body 2 is provided with a pipeline leading-out channel corresponding to a cat eye hole and a door lock hole on a door leaf, and the first pipeline 5 and the second pipeline 6 are led out of the door leaf from corresponding holes on the panel 9 in the leading-out channel, so that the flexible bag body is conveniently connected with an external device. The actual thickness of the top plate 1 is controlled to be within 1 cm.

The inside adjustable support piece 7 of a plurality of that still is provided with of flexible utricule 2, support piece both ends respectively with two roof 1 fixed connection. As shown in fig. 10, the adjustable supporting member 7 includes an inserting cylinder 701, an inserting rod 702, a locking groove 705, a locking block 703 and an elastic element 704, the inserting rod 702 is inserted into the inserting cylinder 701, the locking block 703 is fixed on one side of the inserting rod 702, the elastic element 704 contacting with the inner wall of the inserting cylinder 701 is fixed on the other side of the inserting rod 702, and the locking groove 705 disposed on the moving path of the locking block 703 is disposed on the inner wall of the inserting cylinder 701. This adjustable support 7 is when using, when flexible utricule 2 inflation, flexible utricule 2 inflation both sides drive respectively and insert a section of thick bamboo 701 that is connected with it, inserted bar 702 moves towards both sides, fixture block 703 on the inserted bar 702 moves towards draw-in groove 705 direction this moment, in this process, fixture block 703 is at first pushed towards the inboard by inserting a section of thick bamboo 701 inner wall, elastic element 704 is compressed, when fixture block 703 moves to draw-in groove 705 position, elastic element 704 promotes fixture block 703 and blocks into to draw-in groove 705 this moment, and synchronously, flexible gasbag just in time compresses tightly two roof 1 respectively on panel 9 and door leaf main part 8, adjustable support 7 is just in the lock dead state, thereby cooperate two roof 1 to support panel 9 and door leaf main part 8 surfaces, make the door leaf surface keep level, non-deformable.

Heating element 4 includes a water storage section of thick bamboo 401, an isolation section of thick bamboo 402, storage cage 403, drive module, a water storage section of thick bamboo 401 passes through hose 4013 and first pipeline 5 intercommunication, a rotatable isolation section of thick bamboo 402 of installing in a water storage section of thick bamboo 401, fixed mounting has storage cage 403 in an isolation section of thick bamboo 402, a plurality of perforating hole has been seted up on the isolation section of thick bamboo 402 inner wall, the storage cage 403 is stored with heating material, the gas outlet has been seted up on the water storage section of thick bamboo 401 outer wall, cover and be fixed with splashproof net 406 on the gas outlet, drive module is used for the rotation of a drive isolation section of thick bamboo 402. A splash guard 406 is arranged on the air outlet, and most of splashed water drops can be blocked by the splash guard 406 and flow back into the isolation cylinder 402; the rotation of a drive module drive isolation section of thick bamboo 402, an isolation section of thick bamboo 402 can drive the synchronous rotation of storage cage 403 for the material that generates heat in the storage cage 403 is under the centrifugal force effect, on the one hand along storage section of thick bamboo internal surface distribution, on the other hand can roll constantly at the rotation in-process, thereby obtain more with keep apart the chance that a section of thick bamboo 402 internal water contact takes place to react, thereby carry out more quick reaction, avoid the too much water of disposable contact to make the condition that the water boiling was pounded out to take place simultaneously. As shown in fig. 8, a small amount of water flooding the lower part of the isolation cylinder 402 is injected into the water storage cylinder 401, so that the heating material in the storage cage 403 can react with water sufficiently and quickly under the cooperation of the rotating isolation cylinder 402 and the storage cage 403, and the situation that the water is determined from the air outlet after boiling due to the use of a large amount of water is avoided. The material storage barrel is arranged to avoid the situation that the heating material blocks the through hole on the surface of the isolation barrel 402 in the rotating process to cause unsmooth water inlet.

A plurality of cleaning strips 408 are fixed on the outer wall of the isolation cylinder 402.

The sweeping strip 408 comprises a main body 408a and synaptic filaments 408b, wherein the main body 408a is arc-shaped, and a plurality of synaptic filaments 408b are arranged on the surface of the main body 408a along the extending direction thereof. When adopting quick lime as main heating material, probably will have some powdered quick lime supplementary on splash guard 406 surface after spilling, the strip 408 that cleans of setting can follow isolation section of thick bamboo 402 and do circular motion to when the splash guard 406 surface, utilize the abrupt contact wire 408b on it to stretch into in the hole on splash guard 406 surface, clean it, also can prevent splash guard 406 surface from forming the water film simultaneously.

A plurality of water-stirring strips 404 are fixedly arranged on the inner wall of the isolation cylinder 402 along the circumferential direction. The reason why the water-repellent strip 404 is arranged is to drive the water-repellent strip 404 to move by utilizing the rotary isolation cylinder 402, so that the water-repellent strip 404 can raise the water permeating from the lower part of the isolation cylinder 402, and the raised water can impact the storage cage 403, so that the heating material in the storage cage 403 can obtain more sufficient contact opportunity with the water.

An inclined water chute 405 which is arranged corresponding to the hose 4013 is arranged on the inner wall of the water storage cylinder 401 corresponding to the air outlet. The inclined water chute is arranged, so that residual liquid after reaction can be discharged into the hose 4013 by using the water chute, and the liquid can be conveniently extracted by the extraction device.

A water retaining surrounding edge 407 is fixed on the outer wall of the water storage barrel 401 around the air outlet.

The invention also provides a pressing process of the steel service door panel 9, which comprises the following steps:

s1, a door leaf main body 8 is placed on a pressing platform, a pp sheet 3 is placed in the door leaf main body 8, and the pp sheet 3 is a sheet-shaped bonding material synthesized by resin and a carrier. A. The resin is a thermosetting material, is a high molecular polymer, and is currently common epoxy resin. Glass fiber is soaked in A-stage resin, and after hot air or infrared drying, partial polymerization reaction is carried out to obtain the solid film. Then, the bonding module is placed into the door leaf main body 8, so that the top plate 1 positioned below in the bonding module is fully contacted with the surfaces of the pp sheets 3, then the other pp sheet 3 is placed on the surface of the top plate 1 positioned above, then the panel 9 is covered on the door leaf main body 8, and the panel 9 is tightly abutted to the door leaf main body 8 by using a hydraulic device; the hydraulic means should control the pressure applied between the panel 9 and the door leaf body 8 within a suitable range to avoid the occurrence of surface deformation damage due to excessive pressure.

S2, communicating the first pipeline 5 with a liquid conveying device, communicating the second pipeline 6 with a pressure control device, starting the liquid conveying device, synchronously inputting liquid into the plurality of heating elements 4 through the first pipeline 5 by the liquid conveying device, and simultaneously controlling the pressure in the flexible bag body 2 through the pressure control device so as to avoid the damage of the flexible bag body 2; the liquid conveying device is used for inputting reaction liquid into the plurality of heating elements 4, the liquid can react with the heating materials to release heat, and when the heating materials are quicklime, the liquid can be pure water. Pressure control device surface pressure table, relief valve, pressure surface can show 2 internal pressure numerical values of flexible utricule in real time, and the relief valve carries out the pressure release automatically when internal pressure surpasss the safe value.

S3, after pp sheets 3 are melted by heat generated by reaction of a to-be-heated piece 4 and liquid, a heating material and the liquid generate reaction and emit a large amount of heat, the flexible bag body 2 is made to expand, the two top plates 1 are respectively pushed towards two sides, the two pp sheets 3 of the top plates 1 are respectively abutted against the door leaf main body 8 and the panel 9, the two top plates 1 are heated by the heat in the flexible bag body 2, the top plates 1 are heated, the pp sheets 3 are gradually melted by the heated top plates 1, the two top plates 1 are respectively bonded with the door leaf main body 8 and the panel 9, the liquid conveying device is closed, then the first pipeline 5 is connected with the extracting device, and the extracting device is started to extract residual liquid in the to-be-heated piece 4; meanwhile, the second pipeline 6 is communicated with a dry gas input device, and dry air is input into the flexible bag body 2 by the dry gas input device, so that the wet gas in the flexible bag body 2 is brought into the heating element 4 by the dry air, and finally the wet gas is extracted by an extraction device; the two operations can pump out residual liquid and humid air in the flexible bag body 2, and the problem of liquid leakage possibly caused by accident in the later period is avoided.

And S4, respectively disconnecting the first pipeline 5 and the second pipeline 6 from the extraction device and the dry gas input device, finally cutting off most of the first pipeline 5 and the second pipeline 6 (most of the bonding module is left in the door leaf and does not need to be removed, the main body of the bonding module is made of low-cost materials and can be used for one time), sealing the pipelines, and removing the door leaf which is pressed.

Example 2

In embodiment 1, the conventional driving module needs to be provided with driving components such as a motor and a transmission structure, which results in a complex internal structure of the heating element; referring to fig. 1-10, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the driving module includes a rotary cylinder 409, an air exhausting mechanism, a second magnetic sucking element 4011, and a first magnetic sucking element 4012, the rotary cylinder 409 is sleeved on the water storage cylinder 401, the rotary cylinder 409 is rotatably connected to the water storage cylinder 401, and a plurality of sets of air exhausting mechanisms communicated with the inside are arranged on the surface of the rotary cylinder 409 along the central axis thereof;

the exhaust mechanism comprises a plurality of exhaust pipes 4010, a plurality of exhaust pipes 4010 communicated with the inside of the rotary cylinder 409 are arranged on the surface of the rotary cylinder 409 along the circumferential direction, and the exhaust pipes 4010 are obliquely arranged on the surface of the rotary cylinder 401;

the piece 4011 is inhaled to the second magnetism is fixed on isolating cylinder 402, and first magnetism is inhaled the piece 4012 and is fixed on rotatory section of thick bamboo 409, and the piece 4012 is inhaled to the second magnetism and first magnetism is inhaled mutually to the piece 4011.

This drive module is through utilizing the generating heat material to meet the effort that produces when water reaction produces a large amount of vapor and discharge from blast pipe 4010 and promote rotatory section of thick bamboo 409 to inhale appeal between piece 4011, the first magnetism of passing through the second in step and drive isolation section of thick bamboo 402 rotatory, just so can not use drive unit just can realize the drive, and the structure is simpler.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The pressing device for the steel entrance door panel comprises a bonding module, and is characterized in that the bonding module comprises two top plates (1), the inner side surfaces of the two top plates (1) are connected through a flexible bag body (2), the outer side surfaces of the two top plates (1) are respectively provided with a pp sheet (3), a plurality of heating parts (4) are arranged in the flexible bag body (2), each heating part (4) is communicated with a first pipeline (5), the flexible bag body (2) is communicated with a second pipeline (6), and heating materials are stored in the heating parts (4);

the flexible bag body (2) is further internally provided with a plurality of adjustable supporting pieces (7), and two ends of each adjustable supporting piece (7) are fixedly connected with the two top plates (1) respectively.

2. The pressing device for the steel service door panel according to claim 1, wherein the heating element (4) comprises a water storage cylinder (401), an isolation cylinder (402), a storage cage (403) and a driving module, the water storage cylinder (401) is communicated with the first pipeline (5) through a hose (4013), the isolation cylinder (402) is rotatably installed in the water storage cylinder (401), the storage cage (403) is fixedly installed in the isolation cylinder (402), a plurality of through holes are formed in the inner wall of the isolation cylinder (402), a heating material is stored in the storage cage (403), an air outlet is formed in the outer wall of the water storage cylinder (401), a splash-proof net (406) is covered and fixed on the air outlet, and the driving module is used for driving the isolation cylinder (402) to rotate.

3. The pressing device for the steel service door panel according to claim 2, wherein the driving module comprises a rotating cylinder (409), an air exhausting mechanism, a first magnetic attraction piece (4012) and a second magnetic attraction piece (4011), the rotating cylinder (409) is sleeved on the water storage cylinder (401), the rotating cylinder (409) is rotatably connected to the water storage cylinder (401), and a plurality of air exhausting mechanisms communicated with the inside of the rotating cylinder (409) are arranged on the surface of the rotating cylinder (409) along the central axis thereof;

the exhaust mechanism comprises a plurality of exhaust pipes (4010), the surface of the rotary cylinder (409) is circumferentially provided with a plurality of exhaust pipes (4010) communicated with the inside, and the exhaust pipes (4010) are obliquely arranged on the surface of the rotary cylinder;

piece (4012) are inhaled to first magnetism and are fixed on isolation section of thick bamboo (402), piece (4011) are inhaled to the second magnetism and are fixed on rotatory section of thick bamboo (409), piece (4011) are inhaled to first magnetism and second magnetism and are inhaled each other.

4. A pressing fitting device for steel service door panels as claimed in claim 2, wherein a plurality of sweeping strips (408) are fixed to the outer wall of the insulation cylinder (402).

5. A pressing device for a steel entrance door panel according to claim 4, wherein the sweeping strip (408) comprises a main body (408 a) and a plurality of protruding contact wires (408 b), the main body (408 a) is arc-shaped, and the surface of the main body (408 a) is provided with the plurality of protruding contact wires (408 b) along the extending direction thereof.

6. The pressing device for steel entrance door panels as claimed in claim 2, wherein a plurality of water-repellent strips (404) are fixed on the inner wall of the isolation cylinder (402) along the circumferential direction.

7. The pressing device for the steel service door panel according to claim 2, wherein the inner wall of the water storage cylinder (401) corresponding to the air outlet is provided with an inclined water chute (405) corresponding to the hose (4013).

8. A pressing fitting device for steel entry door panels as claimed in claim 2, wherein a water retaining skirt (407) is fixed to the outer wall of the water storage cylinder (401) around the air outlet.

9. A process for laminating a steel service door panel according to any one of claims 1 to 8, including the steps of:

s1, a door leaf main body (8) is placed on a pressing platform, a pp sheet (3) is placed in the door leaf main body (8), then an adhesive module is placed in the door leaf main body (8), a top plate (1) located below in the adhesive module is in full contact with the surface of the pp sheet (3), then another pp sheet (3) is placed on the surface of the top plate (1) located above, a panel (9) is covered on the door leaf main body (8), and the panel (9) is abutted to the door leaf main body (8) through a hydraulic device;

s2, communicating the first pipeline (5) with a liquid conveying device, communicating the second pipeline (6) with a pressure control device, starting the liquid conveying device, synchronously inputting liquid into the plurality of heating parts (4) through the first pipeline (5) by the liquid conveying device, and simultaneously controlling the pressure in the flexible bag body (2) through the pressure control device to avoid the damage of the flexible bag body (2);

s3, after the pp sheet (3) is melted by heat generated by the reaction of the heating piece (4) and the liquid, the two top plates (1) are respectively bonded with the door leaf main body (8) and the panel (9), the liquid conveying device is closed, then the first pipeline (5) is connected with the extraction device, and the extraction device is started to extract residual liquid in the heating piece (4); meanwhile, the second pipeline (6) is communicated with a dry gas input device, dry air is input into the flexible bag body (2) by the dry gas input device, so that the wet gas in the flexible bag body (2) is brought into the heating part (4) by the dry air, and finally the wet gas is extracted by the extraction device;

and S4, the first pipeline (5) and the second pipeline (6) are respectively disconnected with the extraction device and the dry gas input device, most of the first pipeline (5) and most of the second pipeline (6) are cut off, the pipelines are sealed, and the door leaf which is pressed is moved out.