CN113203273A

CN113203273A - High-efficient stoving production line of steel reinforcement cylinder mould for aerated concrete panel

Info

Publication number: CN113203273A
Application number: CN202110490832.6A
Authority: CN
Inventors: 沈晓鹤; 杨永泉; 杨哲峰; 周亮; 严杰
Original assignee: Youbo Luoke New Building Materials Changxing Co ltd
Current assignee: Youbo Luoke New Building Materials Changxing Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-08-03
Anticipated expiration: 2041-05-06
Also published as: CN113203273B

Abstract

The invention provides a high-efficiency drying production line of a steel bar mesh cage for aerated concrete plates, which comprises a drying box body, a feeding track arranged at the head end of the drying box body, a discharging track arranged at the tail end of the drying box body, a mesh cage transfer vehicle and a convection air supply mechanism, wherein the mesh cage transfer vehicle enters the drying box body from the feeding track and leaves the drying box body from the discharging track, and the convection air supply mechanism controls the convection of air in the drying box body and gradually transfers moist water vapor to the head end of the drying box body for outputting in the process that the mesh cage transfer vehicle is transferred to the tail end of the drying box body along the length direction of the drying box body. Carry out the directional dry and hot air of blowing dry and moisture vapor adsorption band of drying and leaving of reinforcing bar cylinder mould of carrying on the cylinder mould transfer car through the internal convection current air feed mechanism that sets up of stoving case, cooperation hatch door is to the thermal protection in the stoving case, has realized carrying out steam convection to independent reinforcing bar cylinder mould and has dried, utilizes the hatch door to prevent calorific loss and is used for the moisture vapor band to leave.

Description

High-efficient stoving production line of steel reinforcement cylinder mould for aerated concrete panel

Technical Field

The invention relates to the technical field of aerated concrete plate production, in particular to a high-efficiency drying production line for a reinforcement cage for an aerated concrete plate.

Background

Generally, concrete structures have strong compressive strength but low tensile strength, the microstructure of the concrete structures is cracked and separated by any significant bending action, so that the structures are damaged, and the tensile strength of reinforcing steel bars is very high, so that a mode of adding stiffening materials such as reinforcing steel bars into concrete is brought into force.

The aerated concrete plate pre-embedded with the reinforcement cage is a common reinforced concrete structure in buildings, most of domestic aerated concrete plate line finished product manufacturers treat the reinforcement cage in the finished plate manufacturing process and stop manual operation circulation or simple transportation operation, but the treatment mode has the disadvantages of large personnel investment, high production cost and low production efficiency. Therefore, a steel bar mesh cage processing production line with high automation degree and high production efficiency is needed in the market to be matched with the production of the aerated concrete plate.

The application number is ZL201510105605.1 and Chinese patent discloses an aerated concrete panel line saddle frame circulating system, which comprises an electric saddle frame conveyor, a manual saddle frame conveyor, a saddle frame seat ferry vehicle, a rail, a skewer inserting machine, a skewer pulling machine and a skewer inserting machine walking beam frame, wherein the electric saddle frame conveyor is provided with two parts, the first electric saddle frame conveyor is arranged below the skewer pulling machine walking beam frame, the second electric saddle frame conveyor is arranged below the skewer inserting machine walking beam frame, and the manual saddle frame conveyor is arranged between the first electric saddle frame conveyor and the rail and is positioned on the same plane with the first electric saddle frame conveyor; the saddle seat can move on the electric saddle conveying, saddle seat ferry vehicle and manual saddle conveying machine and drives the saddles arranged on the saddle seat to move; the cutting machine and the cutting machine are respectively arranged on the cutting machine walking beam frame and the cutting machine walking beam frame. The application provides an industrial production transportation line for the production and treatment of the steel reinforcement cylinder mould.

However, in the prior art solution, there are the following technical problems: 1. the steel bar net cage only receives heat radiated by the four walls of the drying box in the drying box for drying, the position close to the side wall receives more heat, the inner part receives less heat, the drying is uneven, and the quality is to be improved; 2. most aerated concrete panel production line projects at present, the mode of saddle seat (containing the steel reinforcement cylinder mould) business turn over stoving case when anticorrosive stoving of reinforcing bar is the technological mode that adopts the enterprising business turn over, two gates need be opened at stoving roof face to the technology of enterprising business turn over, because of the heat is up flowing, the frequent opening and shutting of door can cause the loss of a large amount of heats in the stoving case, be unfavorable for the regulation and control of stoving incasement temperature, and this kind of arranging of enterprising business turn over makes stoving case door structure complicated and with high costs, and is inefficient.

Disclosure of Invention

Aiming at the problems, the invention provides a high-efficiency drying production line of a steel bar mesh cage for an aerated concrete plate, wherein a convection air supply mechanism is arranged in a drying box body to carry out dry hot air directional blowing drying and moisture and steam adsorption separation on the steel bar mesh cage carried on a mesh cage transfer vehicle, and a cabin door is matched to protect heat in the drying box body, so that the technical problems that in the prior art, the drying is not uniform, the quality needs to be improved, a large amount of heat in the drying box is lost, and the regulation and control of the temperature in the drying box are not facilitated are solved.

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

the utility model provides an aerated concrete is high-efficient stoving production line of reinforcing bar cylinder mould for panel, including the stoving box, set up in the feeding track of stoving box head end and set up in the ejection of compact track of stoving box tail end, its characterized in that still includes cylinder mould transfer car and convection current air feed mechanism, the cylinder mould shifts the car and follows the feeding track gets into the stoving box and by ejection of compact track leaves the stoving box, the cylinder mould shifts the car and follows the length direction of this stoving box shifts to the in-process of the tail end of stoving box, convection current air feed mechanism control gaseous convection current in the stoving box gradually shifts to moist steam the head end of stoving box exports again.

As the improvement, convection current air feed mechanism includes that the annular crosses gas subassembly, rotary driving spare and gaseous pumping subassembly, the cylinder mould shifts the car and moves extremely during convection current air feed mechanism, the annular cross gas subassembly by rotary driving spare drive is rotatory, gaseous pumping subassembly is right the cylinder mould shifts car pumping or adsorbs steam.

As an improvement, the annular gas passing assembly comprises a rectangular gas passing ring formed by splicing two C-shaped pipes and an opening and closing control unit arranged in the C-shaped pipes, wherein the C-shaped pipes are provided with gas holes A facing the inside of the gas passing ring and gas holes B opposite to the gas holes A, the gas holes A and the gas holes B are controlled by the opening and closing control unit to be opened alternately, the gas passing ring is opened when rotating to a horizontal state, and the gas holes A are opened when the gas passing ring is not in a horizontal state.

As an improvement, the gas pumping assembly comprises a gas pump, a pumping unit and a guide piece, the guide piece comprises an upper outlet and a lower outlet, the gas pump is used for communicating the C-shaped pipe through the upper outlet to pump dry hot air, and the pumping unit is used for communicating the C-shaped pipe through the lower outlet.

As the improvement, the pumping unit is arranged as a piston inflator, the middle of the lower outlet is provided with a baffle plate to separate the lower outlet into a first port and a second port, and the air outlet end of the pumping unit is connected with the second port.

As the improvement, still include the delivery rail subassembly, the cylinder mould shifts the car and is in the delivery rail subassembly shifts the removal, the delivery rail subassembly includes a plurality of track units and sets up the connection unit between adjacent track unit, track unit pass through connecting axle fixed connection in on the lateral wall of stoving box, cross the gas ring cover and locate the spiale is rotatory, cross the gas ring rotatory extremely it opens to contradict the drive unit of should connecing during the connection unit.

As an improvement, the opening and closing control unit comprises a sealing plug and a push rod, the sealing plug is arranged on the C-shaped pipe and corresponds to the air hole A and the air hole B, the push rod pushes the sealing plug to reciprocate to alternately seal the air hole A and the air hole B, and a cam is arranged on the connecting shaft to push the push rod to move.

As an improvement, refute and connect the unit and include connector and ejector pin, the one end of connector articulate in the tip of track unit, the ejector pin set up in the middle part of connector, cross the rotatory conflict of gas ring the ejector pin rises, makes the rotatory abdicating of connector.

As an improvement, the drying box further comprises a cabin door, the cabin doors are respectively arranged at the head end and the tail end of the drying box body, and the rotary driving piece drives the cabin doors to ascend, close or descend to open a channel.

As an improvement, the cabin door is provided with a gas collecting bin, when the gas passing ring rotates to a horizontal state, the gas hole B is communicated with the gas collecting bin, and when the cabin door descends to the bottom, the gas collecting bin is communicated with the outside of the drying box body.

The invention has the beneficial effects that:

(1) according to the invention, the convection air supply mechanism is arranged in the drying box body to carry out dry hot air directional blowing drying and wet water vapor adsorption stripping on the steel reinforcement cylinder mould carried on the cylinder mould transfer vehicle, and the heat in the drying box body is protected by matching with the cabin door, so that hot air convection drying is carried out on the steel reinforcement cylinder mould carried by the independent cylinder mould transfer vehicle, and the cabin door is utilized to prevent heat loss and is used for wet water vapor stripping;

(2) according to the invention, the air ring is arranged to rotate to be in a non-horizontal state to blow hot air to the steel bar net cage and absorb moist air, and when the air ring rotates to be in a horizontal state, moist water vapor is discharged to move towards the cabin door, so that the steel bar net cage can receive the hot air in multiple directions to blow, and meanwhile, the air in the drying box is kept dry;

(3) according to the invention, the opening and closing control unit is arranged for controlling the alternate opening and closing of the air hole A and the air hole B, so that the work switching of the air passing ring is realized, and the operation is convenient, rapid and reliable.

In conclusion, the invention has the advantages of convective drying of gas, convenient discharge of water vapor, stable performance and the like, and is particularly suitable for the technical field of production of aerated blocks.

Drawings

FIG. 1 is an overall top view of the present invention;

FIG. 2 is a schematic sectional view taken along the line A in FIG. 1;

FIG. 3 is a schematic structural view of the present invention as a whole;

FIG. 4 is a schematic view of the internal structure of the drying cabinet of the present invention;

FIG. 5 is a schematic sectional view taken along line B in FIG. 1;

FIG. 6 is a schematic cross-sectional elevational view of the annular air passing assembly of the present invention;

FIG. 7 is a schematic view of the annular air passing assembly and the conveying rail assembly of the present invention;

FIG. 8 is an isometric partial schematic view of an annular air passage assembly of the present invention;

FIG. 9 is a schematic view of the engagement of the rotary drive member and the door of the present invention;

FIG. 10 is a schematic view of a partial cross-sectional view of a C-shaped tube of the present invention;

FIG. 11 is a schematic view of the construction of the guide member of the present invention;

FIG. 12 is a schematic front view of a guide member of the present invention;

FIG. 13 is a schematic sectional view taken along line C in FIG. 12;

FIG. 14 is a schematic view of the gas flow through the guide of the present invention;

FIG. 15 is a second schematic view of the gas flow in the guide of the present invention.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example one

As shown in fig. 1 to 5, a high-efficient stoving production line of aerated concrete panel reinforcing bar cylinder mould, including stoving box 1, set up in the feeding track 11 of 1 head end of stoving box and set up in the ejection of compact track 12 of 1 tail end of stoving box, its characterized in that still includes cylinder mould transfer car 2 and convection current air feed mechanism 3, cylinder mould transfer car 2 follows feeding track 11 gets into stoving box 1 and by ejection of compact track 12 leaves stoving box 1, cylinder mould transfer car 2 is followed this stoving box 1's length direction shifts to the in-process of the tail end of stoving box 1, convection current air feed mechanism 3 control gas convection in the stoving box 1 gradually shifts to moist steam the head end of stoving box 1 exports again.

Further, convection current air feed mechanism 3 includes that the annular crosses gas subassembly 31, rotary driving spare 32 and gaseous pumping assembly 33, the cylinder mould shifts car 2 and moves extremely during convection current air feed mechanism 3, the annular cross gas subassembly 31 by rotary driving spare 32 drive is rotatory, gaseous pumping assembly 33 is right the cylinder mould shifts car 2 pumping or adsorbs steam.

It should be noted that the hot air in the drying box body 1 can be located at the upper part of the box body, the temperature of the humid air is relatively low, so that the hot air is stored at the lower part of the box body, the annular air passing assembly 31 blows dry air outwards at the part above the mesh cage transfer vehicle 2 in the rotating process, so that the surface of the steel mesh cage fully receives heat and is dry, the part below the mesh cage transfer vehicle 2 absorbs air flow, the humid air is absorbed away, the convection of the upper air flow and the lower air flow around the mesh cage transfer vehicle 2 is realized, and the heat is uniformly dispersed and is simultaneously beneficial to moisture transfer.

As shown in fig. 6 to 8 and 14 to 15, the annular air passing assembly 31 further includes a rectangular air passing ring 310 formed by splicing two C-shaped tubes 311, and an opening and closing control unit 312 disposed in the C-shaped tube 311, an air hole a3111 facing the air passing ring 310 and an air hole B3112 opposite to the air hole a3111 are disposed on the C-shaped tube 311, the air holes a3111 and the air holes B3112 are alternately opened under the control of the opening and closing control unit 312, the air hole B3112 is opened when the air passing ring 310 rotates to a horizontal state, and the air hole a3111 is opened when the air passing ring 310 is not in the horizontal state.

It should be noted that, offer in gas pocket A3111 orientation crosses gas ring 310, steam blows through the directional steel bar cylinder mould of gas pocket A3111, and the cooperation is crossed gas ring 310 and is rotatory to the drying of blowing of steel bar cylinder mould all directions, and the gas that lies in steel bar cylinder mould below simultaneously directly is absorbed from gas pocket A3111 and gets into gas pumping subassembly 33, and the very first time is taken away moist steam, and drying effect is good, also practices thrift the energy consumption during the using wisely.

It should be further noted that the air holes B3112 are arranged oppositely to the air holes a3111, when the air passing ring 310 is in a horizontal state, the air holes B3112 of the adjacent air passing ring 310 are in butt joint conduction, and at this time, the air pumping assembly 33 transports the absorbed moisture vapor from the air passing ring 310 to the head end of the drying box 1, which is favorable for moisture discharge.

Further, the gas pumping assembly 33 includes a gas pump 331, a pumping unit 332, and a guide 333, the guide 333 includes an upper outlet 3331 and a lower outlet 3332, the gas pump 331 pumps the dry hot air through the C-shaped pipe 311 via the upper outlet 3331, and the pumping unit 332 conducts the C-shaped pipe 311 via the lower outlet 3332.

It should be noted that the air pump 331 is used as a delivery source of dry hot air, and continuously pumps hot air when the air passing ring 310 is in a non-horizontal state, and when the air passing ring 310 is in a horizontal state, the pumping operation of the air pump 331 is suspended through electronic control, so that the air passing ring 310 serves as a channel for conducting wet air.

It should be noted that when the air passing ring 310 is in a non-horizontal state, the pumping unit 332 performs pumping through the C-shaped pipe 311 of the air passing ring 310 below the steel reinforcement cage, and when the air passing ring 310 is in a horizontal state, the pumping unit 332 reversely outputs air outwards, so as to gradually convey moisture through the air passing ring 310 towards the front end of the drying box 1.

As shown in fig. 11 to 15, the pumping unit 332 is a piston cylinder, the baffle 3333 is provided in the middle of the lower outlet 3332 to divide the lower outlet 3332 into a first port 33321 and a second port 33322, and the outlet end of the pumping unit 332 is connected to the second port 33322.

It should be noted that the baffle 3333 disposed on the partition between the first port 33321 and the second port 33322 is used to control the flow of gas from the second port 33322 to the first port 33321, but not to the reverse direction.

Further, the drying box further comprises a cabin door 4, the cabin door 4 is respectively arranged at the head end and the tail end of the drying box body 1, and the rotary driving piece 32 drives the cabin door 4 to ascend, close or descend to open a channel.

Further, an air collecting bin 41 is arranged on the cabin door 4, when the air passing ring 310 rotates to a horizontal state, the air hole B3112 is communicated with the air collecting bin 41, and when the cabin door 4 descends to the bottom, the air collecting bin 41 is communicated with the outside of the drying box body 1.

Example two

As shown in fig. 7 to 9, in which the same or corresponding components as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, only the difference between the second speed and the first embodiment will be described below for the sake of simplicity: the second embodiment is different from the first embodiment in that:

in this embodiment, still include delivery rail subassembly 13, the cylinder mould shifts car 2 and is in delivery rail subassembly 13 shifts the removal, delivery rail subassembly 13 includes a plurality of track unit 131 and sets up the connection unit 132 between adjacent track unit 131, track unit 131 through connecting axle 1311 fixed connection in on the lateral wall of stoving box 1, cross the gas ring 310 cover and locate the connecting axle 1311 is rotatory, cross the gas ring 310 rotatory extremely this connection unit 132 of conflict drive is opened during connection unit 132.

Further, the open-close control unit 312 includes a closing plug 3121 and a push rod 3122, the closing plug 3121 is disposed on the C-shaped pipe 311, and corresponds to the air hole a3111 and the air hole B3112, the push rod 3122 pushes the closing plug 3121 to reciprocate to alternately close the air hole a3111 and the air hole B3112, and a cam 3123 is disposed on the connecting shaft 1311 to push the push rod 3122 to move.

It should be noted that the opening and closing control unit 312 automatically closes or opens the air hole a3111 and the air hole B3112 by the rotation of the air passing ring 310, and the structure is simple and reliable, and is convenient for air path switching.

Further, the connection unit 132 includes a connection body 1321 and a top rod 1322, one end of the connection body 1321 is hinged to the end of the rail unit 131, the top rod 1322 is disposed at the middle of the connection body 1321, the gas passing ring 310 rotates to abut against the top rod 1322 to ascend, so that the connection body 1321 rotates to give way.

The working process is as follows:

the cylinder mould transfer car 2 carries the reinforcement cylinder mould to be conveyed from the feeding track 11 to the drying box body 1, the protective door 14 of the drying box body 1 is opened, the cabin door 4 is closed at the moment, after the cylinder mould transfer car 2 completely enters the drying box body 1, the protective door 14 of the drying box body 1 is closed, the cabin door 4 is driven by the rotary driving piece 32 to be opened and maintained, the cylinder mould transfer car 2 advances from the track unit 131 to the tail end of the drying box body 1 and stops when the cylinder mould transfer car 2 moves into the annular air passing component 31, the rotary driving piece 32 drives the annular air passing component 31 to rotate, simultaneously, the air pump 331 in the air pumping component 33 pumps dry and hot air from the upper part of the cylinder mould transfer car 2 to the reinforcement cylinder mould through the C-shaped pipe 311, the pumping unit 332 absorbs moist water vapor from the lower part of the cylinder mould transfer car 2 through the C-shaped pipe 311 until the air passing ring 310 rotates to be in a horizontal state, the air holes B3112 on the adjacent air passing rings 310 are communicated, meanwhile, the air hole B3112 of the air passing ring 310 at the cabin door 4 is communicated with the air collecting bin 41 to discharge the moist steam, and when the next cabin door 4 is opened to work, the cabin door 4 discharges the moist steam to the outside of the drying box body 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A high-efficiency drying production line of a steel reinforcement cage for an aerated concrete plate comprises a drying box body (1), a feeding track (11) arranged at the head end of the drying box body (1) and a discharging track (12) arranged at the tail end of the drying box body (1), it is characterized by also comprising a cylinder mould transfer vehicle (2) and a convection air supply mechanism (3), the mesh cage transfer vehicle (2) enters the drying box body (1) from the feeding track (11) and leaves the drying box body (1) from the discharging track (12), in the process that the cylinder mould transfer vehicle (2) is transferred to the tail end of the drying box body (1) along the length direction of the drying box body (1), and the convection air supply mechanism (3) controls the convection of air in the drying box body (1) and gradually transfers the moist water vapor to the head end of the drying box body (1) for outputting.

2. The efficient drying production line for the steel reinforcement net cage for the aerated concrete plates as claimed in claim 1, wherein the convection air supply mechanism (3) comprises an annular air passing assembly (31), a rotary driving member (32) and an air pumping assembly (33), when the net cage transfer vehicle (2) moves to the convection air supply mechanism (3), the annular air passing assembly (31) is driven to rotate by the rotary driving member (32), and the air pumping assembly (33) pumps or adsorbs steam to the net cage transfer vehicle (2).

3. The efficient drying production line for the steel reinforcement net cage for the aerated concrete plates as claimed in claim 2, wherein the annular gas passing assembly (31) comprises a rectangular gas passing ring (310) formed by splicing two C-shaped pipes (311) and an opening and closing control unit (312) arranged in the C-shaped pipes (311), the C-shaped pipes (311) are provided with gas holes A (3111) facing the gas passing ring (310) and gas holes B (3112) opposite to the gas holes A (3111), the gas holes A (3111) and the gas holes B (3112) are controlled by the opening and closing control unit (312) to be opened alternately, the gas holes B (3112) are opened when the gas passing ring (310) rotates to a horizontal state, and the gas holes A (3111) are opened when the gas passing ring (310) is not in the horizontal state.

4. The efficient drying line for the steel reinforcement cages of aerated concrete panels as claimed in claim 3, wherein the gas pumping assembly (33) comprises a gas pump (331), a pumping unit (332) and a guide (333), the guide (333) comprises an upper outlet (3331) and a lower outlet (3332), the gas pump (331) conducts the C-shaped pipe (311) through the upper outlet (3331) and pumps the dry and hot air, and the pumping unit (332) conducts the C-shaped pipe (311) through the lower outlet (3332).

5. The high-efficiency drying production line for the steel reinforcement net cage for the aerated concrete panel as claimed in claim 4, wherein the pumping unit (332) is provided as a piston cylinder, a baffle (3333) is arranged in the middle of the lower outlet (3332) to divide the lower outlet (3332) into a first port (33321) and a second port (33322), and the air outlet end of the pumping unit (332) is connected with the second port (33322).

6. The efficient drying production line for the steel reinforcement net cage for the aerated concrete panel as claimed in claim 3, characterized by further comprising a conveying rail assembly (13), wherein the net cage transfer vehicle (2) is used for transferring and moving the conveying rail assembly (13), the conveying rail assembly (13) comprises a plurality of rail units (131) and connection units (132) arranged between the adjacent rail units (131), the rail units (131) are fixedly connected to the side wall of the drying box body (1) through connecting shafts (1311), the gas passing rings (310) are sleeved on the connecting shafts (1311) in a rotating manner, and the gas passing rings (310) are rotated to the connection units (132) to drive the connection units (132) to be opened in a colliding manner.

7. The efficient drying production line for the steel reinforcement net cage for the aerated concrete panel as claimed in claim 6, wherein the open-close control unit (312) comprises a closing plug (3121) and a push rod (3122), the closing plug (3121) is disposed on the C-shaped pipe (311) and corresponds to the air hole a (3111) and the air hole B (3112), the push rod (3122) pushes the closing plug (3121) to reciprocate to alternately close the air hole a (3111) and the air hole B (3112), and a cam (3123) is disposed on the connecting shaft (1311) to push the push rod (3122) to move.

8. The efficient drying production line for the steel reinforcement net cage for the aerated concrete panel as claimed in claim 6, wherein the connection unit (132) comprises a connecting body (1321) and a top rod (1322), one end of the connecting body (1321) is hinged to the end of the rail unit (131), the top rod (1322) is arranged in the middle of the connecting body (1321), and the air passing ring (310) is rotated to abut against the top rod (1322) to ascend, so that the connecting body (1321) is rotated to give way.

9. The efficient drying production line of the steel reinforcement net cage for the aerated concrete plates as claimed in claim 3, characterized by further comprising a hatch door (4), wherein the hatch door (4) is respectively arranged at the head end and the tail end of the drying box body (1), and the rotary driving piece (32) drives the hatch door (4) to ascend for sealing) or descend for opening a channel.

10. The efficient drying production line for the steel reinforcement net cage for the aerated concrete panels as claimed in claim 9, wherein a gas collection bin (41) is arranged on the hatch door (4), when the gas passing ring (310) rotates to a horizontal state, the gas hole B (3112) is communicated with the gas collection bin (41), and when the hatch door (4) descends to the bottom, the gas collection bin (41) is communicated with the outside of the drying box body (1).