CN114104385A

CN114104385A - Evaporate and press full-automatic packaging system of aerated concrete block exempting from tray

Info

Publication number: CN114104385A
Application number: CN202111623750.0A
Authority: CN
Inventors: 张猛; 兰之乔; 王剑; 蒋淮同; 田先春; 訾克明; 蔡倩; 张承建; 徐亚军
Original assignee: Jiangsu Tengyu Machinery Manufacture Co ltd
Current assignee: Jiangsu Tengyu Machinery Manufacture Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-03-01
Anticipated expiration: 2041-12-28
Also published as: CN114104385B

Abstract

The invention discloses a tray-free full-automatic packaging system for autoclaved aerated concrete blocks, which comprises a finished product clamping and conveying system, wherein a finished block product is clamped on a preparation conveying line through a finished product clamping module to be conveyed, and a blank combining clamp is arranged above a blank combining conveying line and the preparation conveying line to combine the finished block products; the stacking system clamps and conveys the finished building block products to the block arranging conveying line through the stacking manipulator, the block arranging manipulator clamps and takes small building blocks on the block arranging conveying line, and the small building blocks are matched with the stacking manipulator to arrange and place the building blocks on the stacking conveying line, so that a forklift groove is formed in the whole building block stack; the packaging conveying system conveys finished building block products which are stacked to a packaging station through the stacking conveying line, packaging is carried out through a transverse arrow penetrating packaging machine, the rotating clamp changes the direction of the finished building block products, final packaging is carried out through a longitudinal arrow penetrating packaging machine, and the finished building block products are conveyed to a product area through the loading conveying line. The invention improves the automation degree of the aerated concrete block production line.

Description

Evaporate and press full-automatic packaging system of aerated concrete block exempting from tray

Technical Field

The invention belongs to the technical field of automatic packaging of building materials, and particularly relates to a tray-free full-automatic packaging system for autoclaved aerated concrete blocks.

Background

The autoclaved aerated concrete block has the advantages of light weight, heat preservation and insulation, sound absorption and noise reduction, fire resistance and shock absorption and the like, and is widely applied to bearing weight or enclosure filling structures of industrial and civil buildings. For the autoclaved aerated concrete block production line, the domestic packing and loading of the blocks are mostly carried out independently by each working area, the automation degree is limited, and the blocks cannot be output from an autoclave to be fully automatically packed until the blocks are packed into finished products which are convenient to transport.

Most building block packaging system all need carry and carry the building block through the tray on the market at present, and the tray of using is heavier, the volume is big and difficult recovery, and current tray mode of transporting generally relies on the manual work, leads to degree of automation low, production efficiency low, production and artifical labour cost to drop into a series of problems such as great, having certain potential safety hazard. And because the stacking modes of the building blocks are different, the shape and the volume of the building block blank are greatly different, and the problems of transportation and loading of the building blocks packaged in the later period are also influenced. Because the independent operation of each part, the use of tray in a large number, many aspects such as the influence of building block shape all are unfavorable for realizing the automated production of building block, also for factor consideration such as later stage work such as later stage loading, transportation, discharge, consequently need carry out a brand-new packing design to building block packaging system, can carry out high-efficient, automatic, continuous packing transport processing to aerated concrete block after going out the cauldron.

Disclosure of Invention

The invention aims to provide a tray-free full-automatic packaging system for autoclaved aerated concrete blocks, which is used for reducing packaging cost, improving packaging efficiency and solving the problem that the cargo space of a transport vehicle cannot be fully utilized due to the limitation of the stack volume of the blocks during later loading in the conventional tray-free packaging technology.

The technical solution for realizing the purpose of the invention is as follows:

the utility model provides an evaporate full-automatic packaging system of tray is exempted from to press aerated concrete block, includes:

the roller conveying line is used for conveying the finished building block product to a finished product clamping module station;

the finished product clamping module is used for clamping the finished building block products to the preparation conveying line, and the finished building block products are arranged in two rows on the preparation conveying line;

the preparation conveying line is used for conveying the finished building block products to the working position of the blank combining and clamping module;

the combined blank clamping module is used for combining two rows of building block finished products on the prepared conveying line into a square stack and clamping and conveying the square stack to the combined blank conveying line;

the combined blank conveying line is used for conveying the square pile in a stepping mode;

the stacking manipulator is used for clamping the square pile on the green combining conveying line to the clamping and arranging block conveying line by using the clamping of the single-row building blocks with two small building blocks as a group, and is also used for grabbing and placing the square pile on the green combining conveying line on the stacking conveying line in a layered manner;

the stacking manipulator is used for grabbing the single building blocks on the stacking conveying line to the stacking conveying line, forming a forklift groove into which a forklift can be conveniently inserted, and matching with the stacking manipulator to complete stacking of building block stacks;

the stacking conveying line is used for conveying the stacked building block stack to a packing station;

the transverse arrow penetrating packer is used for transversely packing the building block stack;

the rotary clamping module is used for clamping the transversely packaged building block stack, horizontally rotating the building block stack for 90 degrees in the air, placing the building block stack on a loading conveying line, and enabling a forklift groove to face a forklift loading station;

the longitudinal arrow penetrating packer is used for longitudinally packing the building block stack;

and the loading conveying line is used for conveying the packed building block stack to a forklift loading area.

Compared with the prior art, the invention has the following remarkable advantages:

1. the invention adopts a pallet-free packaging technology, and utilizes a manipulator to carry out a specific layered stacking mode, so that forklift holes are reserved in the building block stack, a series of problems of pallet manufacturing, recycling, storing, maintaining and the like are avoided, the packaging cost is reduced, and the packaging efficiency is improved. 2. According to the invention, the double manipulators are used for carrying out special stacking arrangement, so that the problem that the cargo carrying space of the transport vehicle cannot be fully utilized due to the limitation of the stacking volume of the building blocks in later loading is solved, the transport cost is reduced, and the transport efficiency is improved. 3. The invention adopts a full-automatic packing mode, reduces manpower, realizes safe and orderly operation of building block packing, and has stable performance and high production efficiency.

Drawings

FIG. 1 is a schematic view of the layout structure of the present invention;

FIG. 2 is a schematic view of a finished block conveyor line;

FIG. 3 is a schematic view of a block alignment conveyor line;

FIG. 4 is a front view of the finish fixture;

FIG. 5 is a top view of the finished fixture;

FIG. 6 is a schematic view of a clamping arm of a product clamp

FIG. 7 is a schematic view of a block stack;

FIG. 8 is a schematic view of a first course arrangement of a block stack;

FIG. 9 is a schematic view of the second course of the block pile

FIG. 10 is an elevation view of a rotary fixture cartridge;

FIG. 11 is a left side view of the rotary fixture chuck;

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1 to 3, the tray-free full-automatic packaging system for autoclaved aerated concrete blocks in the embodiment includes a finished product clamping and conveying system, a stacking system and a packaging and conveying system. The finished product clamping and conveying system is composed of a roller conveying line 1, a finished product clamping module 3, a preparation conveying line 4, a combined blank clamping module 5 and a combined blank conveying line 7. The stacking system is composed of a stacking manipulator 8, a block arranging conveyor line 9, a block arranging manipulator 10 and a stacking conveyor line 11, and the packing and conveying system is composed of a transverse arrow penetrating packer 12, a rotary clamping module 13, a longitudinal arrow penetrating packer 14 and a loading conveyor line 15.

The roller conveying line 1 is used for conveying the finished building block products 2 to a position of a station 3 of the finished building block clamping module, the finished building block clamping module 3 is used for clamping the finished building block products 2 to a preparation conveying line 4 for conveying, the preparation conveying line 4 is arranged in two rows, a blank combining clamping module 5 is arranged on the preparation conveying line 4, and the blank clamping module 5 is used for combining the two rows of finished building block products 2 on the preparation conveying line 4 into a square pile 6 and clamping and conveying the square pile to a blank combining conveying line 7 for conveying. The stacking manipulator 8 is arranged between the terminal of the combined blank conveying line and the starting end of the block arranging conveying line 11 and used for clamping the building blocks of the square stack 6 on the combined blank conveying line 7 to the block arranging conveying line 9, five groups of clamping plates are arranged on the stacking manipulator 8, and the clamping and the discharge of single-layer building blocks are realized by the expansion and contraction of the air cylinders between the two clamping plates; each group of clamping plates is controlled independently, so that clamping and discharging of a single row of blocks with two small blocks 18 as a group can be realized. The block arranging manipulator 10 is placed on one side of the stacking conveyor line 11, is opposite to the stacking manipulator 8, and is used for clamping and taking the building blocks on the block arranging conveyor line 9, and is matched with the stacking manipulator 8 to arrange and place the building blocks on the stacking conveyor line 11, so that a whole building block stack 16 with two forklift grooves 100 is formed. The block arranging manipulator 10 is provided with two groups of clamping plates, and the clamping and the discharge of single building blocks are realized between the two clamping plates through the telescopic rods of the cylinders; each group of clamping plates are independently controlled, and the single building block can be placed according to the required position. The stacking manipulator 8 can grab the building blocks on a layer of square stack, place the building blocks on the block arranging and conveying line 9, and divide the building blocks into five groups of building blocks, wherein each group comprises two small building blocks 18. The block arranging conveyor line 9 conveys the small blocks to one side of the block arranging manipulator 10, so that the block arranging manipulator 10 can grab the small blocks 18 and arrange the small blocks on the stacking conveyor line 11. Be equipped with induction system on arranging piece transfer chain 9, when arranging the building block on piece transfer chain 9 and be less than a certain quantity, pile up neatly 8 hands of machinery can snatch the building block of one deck and place on arranging the piece transfer chain.

In the stacking process, the stacking manipulator 8 firstly grabs a layer of square piles (such as a white area in fig. 9, a first layer is 6X 2 rows) from the blank combining conveying line 7 and lays on the stacking conveying line 11, the block arranging manipulator 10 grabs the building blocks from the block arranging conveying line 9 to a second layer (such as a black area in fig. 9, vertical 4 blocks, horizontal 1 block and two forklift grooves 100 formed between the vertical 4 blocks) on the layer of square piles, then the stacking manipulator 8 grabs the square piles from the blank combining conveying line 7 and stacks the building blocks upwards on the second layer in sequence, and finally the building block piles 16 with the forklift grooves 100 are formed. The stacking conveyor line 11 is used for conveying the stacked block stacks 16 to a transverse packing station, and a transverse arrow penetrating packer 12 is arranged at the side end of the stacking conveyor line 11 and used for transversely packing the stacked block stacks 16; the upper portion of the tail end of the stacking conveyor line 11 is provided with a rotary clamping module 13, the rotary clamping module is used for clamping a transversely packaged building block stack 16 and horizontally rotating the building block stack for 90 degrees in the air, the building block stack 16 is placed on the loading conveyor line 15, a forklift groove faces outwards, a forklift is convenient to load, longitudinal final packaging is carried out by longitudinally penetrating the arrow packaging machine 14, the building block stack is conveyed to a product area through the loading conveyor line 1, and the building block stack is transported to a lower line through the forklift.

Referring to fig. 7, the block pile 16 is a 1m by 1.2m square pile formed by stacking six (up to eight) blocks 8. Each layer is formed by arranging small blocks 18 of 0.2m by 0.2 m. Referring to fig. 8, the first and third to sixth courses are formed by stacking 5 rows and 2 columns of small blocks 18 gripped by the stacking robot 8. Referring to fig. 9, the second layer is formed by placing small blocks 18 grabbed by the block arranging manipulator 8 from the block arranging conveyor line 9, and the small blocks in the second layer are arranged at intervals and provided with slots for inserting forklifts.

As shown in fig. 4 to 6, the finished product clamping module 3 includes a clamping arm 301, a lifting roller 302, a clamping arm beam 303, a clamping arm hydraulic cylinder 304, a vertical column 305, an i-beam 306, a gear shaft 307, a hydraulic station 308, a beam roller 309, a beam rail 310, a universal shaft 311, a lifting hydraulic cylinder 312, a frame 313, a right outer chain wheel 314, a right inner chain wheel 315, a left chain wheel 316, a sliding block 319, a chain base 317, a sliding rail 318, a pulley 320, and a traveling driving motor.

The machine frame 313 is arranged at the upper end of the upright column 305, the upright columns 305 on the left side and the right side are respectively fixed with a beam rail 310, the machine frame 313 is provided with a beam roller 309, the beam rollers 309 are matched with the beam rails 310 and can move along the beam rails 310, specifically, the beam rollers 309 are fixed on the I-shaped beams 306, and the I-shaped beams 306 are fixed at the side ends of the upright columns 305. A spur rack is arranged on the I-beam 306, and a gear on the gear shaft 307 is meshed with the spur rack on the I-beam 306;

the lifting hydraulic cylinder 312, the hydraulic station 308 and the walking driving motor are all fixed on the frame 313, and the hydraulic station 308 provides hydraulic power for the lifting hydraulic cylinder 312 and the clamping arm hydraulic cylinder 304. The walking driving motor is connected with the speed reducer, one end of the universal shaft 311 is connected with an output shaft of the speed reducer, the other end of the universal shaft 311 is connected with the gear shaft 307, the walking driving motor drives the universal shaft 311 to drive the gear shaft 307 to walk along the spur rack, and the whole rack 313 is driven to move between the roller conveying line 1 and the preparation conveying line 4.

The improved hydraulic cylinder lifting mechanism is characterized in that a sliding rail 318 is fixed on the machine frame 313, four pulleys 320 are installed on the periphery of the sliding block 319, the pulleys 320 can roll on the sliding rail 318, the rolling direction is parallel to the telescopic direction of the hydraulic cylinder 304, the chain seats 320 are fixed on the sliding block 319 through bolts, chains are connected to the left side and the right side of the upper end of the arm clamping beam 303, a left chain wheel 316 is fixedly connected to the left side of the machine frame 313, and a right inner chain wheel 315 and a right outer chain wheel 314 are fixed to the right side. The left chain meshes first around the left sprocket 316 and then around the right inner sprocket 315, and finally ends fixedly attached to the chain base 320. The right side chain first meshes around the right side outer sprocket 314 and then ends in a chain seat 320. The lifting hydraulic cylinder 312 is hinged to the sliding block 319, and the lifting hydraulic cylinder 312 stretches and retracts to drive the sliding block 319 to move, so that the chain is pulled to control the lifting of the arm clamping beam 303. Lifting rollers 302 are arranged at two ends of the arm clamping beam 303, and the lifting rollers 302 can roll up and down along the upright column 305.

The middle of the clamping arm 301 is hinged to the clamping arm beam 303, the clamping arm hydraulic cylinder 304 is fixed to the clamping arm beam 303 through a bolt, the clamping arm hydraulic cylinder 304 is a bidirectional hydraulic cylinder, telescopic rods at two ends of the clamping arm hydraulic cylinder 304 are hinged to the upper end of one clamping arm 301 respectively, the clamping arm 301 is controlled to rotate around the hinge joint with the clamping arm beam 303 through the stretching of the clamping arm hydraulic cylinder 304, and therefore clamping and loosening of the clamping arm 301 are achieved, and clamping and loosening of building blocks are completed.

The blank combining and clamping module 5 and the finished product clamping module 3 have the same structure, and are different in clamping direction, so that two rows of building block finished products 2 can be inwards clamped and integrated into a square pile 6.

And all be equipped with inductive switch on the base centre gripping module 5, prepare transfer chain 4 and the base transfer chain 7, detect the operating position of building block finished product 2, cooperate and base centre gripping module 5 to realize and the base and the building block transfer. The finished clamping module 3 is shuttled between the preparation conveyor line 4 and the merging conveyor line 7 by rail beams. The blank combining conveying line 7 controls the travelling distance by an encoder, so that the square piles 6 on the blank combining conveying line 7 travel in a fixed distance step by step.

As shown in fig. 10 to 11, the rotating and clamping module 13 includes a truss, a lifting module disposed on the truss, and a rotating and clamping unit, where the rotating and clamping unit includes a rotating clamp arm 131, a guide rod 132, a synchronizing rack 133, a synchronizing gear, a rotating disc 134, a spreader hydraulic cylinder 135, a cross arm 136, a connecting lug 137, and a guide sleeve 138;

the lifting appliance hydraulic cylinder 135 is hinged to the rotary clamping arm 131 at two ends, the upper end of the rotary clamping arm 131 is fixed to the guide sleeve 138, the guide sleeve 138 is sleeved on the guide rod 132 and can slide along the guide rod 132, two ends of the guide rod 132 are fixed to the support 138, the guide sleeves 138 on the left side and the right side are respectively fixed with the connecting lug 137, the synchronous rack 133 is fixedly connected with the connecting lug 137 through a pin shaft, the two synchronous racks 133 are respectively meshed with the synchronous gears, the synchronous gears are connected to the support through rotating shafts, two guide holes through which the synchronous racks 133 move are formed in the support, the synchronous racks 133 are enabled to be always meshed with the synchronous gears, the synchronous rack 133 on the left side is located at the upper end of the synchronous gears, and the synchronous rack 133 on the right side is located at the lower end of the synchronous gears. The expansion of the spreader hydraulic cylinder 135 drives the two rotating clamp arms 131 to slide along the guide rod 132, and the two rotating clamp arms 131 are enabled to have the same moving distance through the transmission of the synchronous rack 133 and the synchronous gear, so that the synchronization effect is achieved. A rotary disc 134 is arranged above the bracket and is driven by a motor for controlling the rotation of the rotary clamping unit. The upper end of the rotary clamping unit is connected with a lifting module arranged on the truss, the lifting module is used for driving the rotary clamping unit to lift, the lifting module can adopt driving modules such as a hydraulic cylinder and an air cylinder, and the truss (adopting electric) can drive the rotary clamping unit to move between the stacking conveying line 11 and the loading conveying line 15. The rotating clip arms 131 are fitted with rubber blocks 19 to avoid pinching damage to the block pile 16 and a stabilizing plate 20 to keep the block pile 16 balanced.

The preparation conveying line 4, the combined blank conveying line 7 and the block arranging conveying line 9 are all conveyed by rubber tracks, so that the block conveying process is effectively prevented from being damaged.

The specific working flow of the invention is described below:

1. and (3) conveying a building block finished product: the bottom plate of the finished product 2 of the building block which is formed by steaming and pressing the still kettle is conveyed to the working position of the finished product clamping module 3 by the roller conveying line 1, the whole pile of clamping arms 301 of the finished product clamping module 3 clamps the finished product 2 of the building block on the bottom plate, the finished product 2 of the building block is clamped and conveyed to the preparation conveying line 4 by the clamping arms 310, and the two piles are clamped together from front to back and are arranged on the preparation conveying line 4 side by side. And then the block finished products are conveyed to a clamping position of the combined blank clamping module 5 by the preparation conveying line 4, when the number of the square piles on the combined blank conveying line 7 is less than 3 piles, the combined blank clamping module 5 combines two piles of the block finished products of the preparation conveying line 4 to form a square pile 6, and the block finished products are clamped and conveyed to a conveying belt of the combined blank conveying line 7 through the track beam. And the combined blank conveying line 7 is controlled by an encoder, and starts and stops the conveying square pile 6 to the tail end station of the combined blank conveying line 7 by a fixed travelling distance so as to be clamped by the stacking manipulator 8.

2. And (3) stacking: firstly, a stacking manipulator 8 grabs a layer of building blocks on a square pile 6 at the tail end of a combined blank conveying line 7, clamps and conveys the building blocks on a block arranging conveying line 9, and divides small building blocks 18 into five groups and arranges the small building blocks in a group of two; the block arranging conveyor line 9 conveys the small blocks 18 to one side of the block arranging manipulator 10 for the block arranging manipulator 10 to clamp. Next, the palletizing manipulator 8 grabs a layer of finished building blocks 16 and places the finished building blocks on the palletizing conveyor line 11 as first-layer building blocks, and at the moment, the block arranging manipulator 10 starts to grab the building blocks on the block arranging conveyor line 9 and places second-layer building blocks as shown in fig. 8. After the second layer of building blocks are placed, the stacking manipulator 8 picks three to six layers of building blocks from the blank conveying line 7, and then the stacking manipulator 8 can supply the building blocks to the block discharging conveying line 9, so that the stacking stage is completed.

3, a packing stage: the palletizing conveyor line 11 transports the palletized building block stack 16 to a working position of the transverse arrow penetrating packer 12, and the transverse arrow penetrating packer 12 automatically penetrates arrows for packing the building block stack 16. The transversely packed building block pile 16 is conveyed to the working position of the rotary clamp 13 through the pile conveying line 11, the rotary clamp 13 detects the building block pile 16, the automatic clamping building block pile 16 is conveyed to the initial end of the loading conveyor through the track beam, horizontal rotation of the building block pile 16 is completed in the air by 90 degrees, the forklift groove 100 faces outwards, and loading by a forklift is facilitated. When the rotary clamp 13 returns to the position above the stacking conveyor line, the longitudinal arrow-penetrating packer 14 automatically moves to the beginning end of the rotary trolley conveyor line 15 and starts to pack the building block stack 16, and a cross packing structure is formed by transverse packing. The final packed block stack 16 is transported by the loading conveyor line 14 to a forklift loading area, where it waits for the forklift 17 to transfer to the production area.

From the above description, it can be seen that a pallet-free packaging technology is adopted, a manipulator is used for carrying out a specific layered stacking mode, so that a forklift slot hole is reserved in the building block stack, a series of problems such as pallet manufacturing, recycling, storing and maintaining are avoided, the packaging cost is reduced, and the packaging efficiency is improved. The problem of later stage loading because building block buttress volume restriction has been solved in special pile up neatly of application duplex manipulator and has been arranged, unable make full use of transport vechicle cargo space has been lowered the cost of transportation, has improved conveying efficiency. And a full-automatic packing mode is adopted, so that the labor is reduced, the safe and orderly operation of building block packing is realized, the performance is stable, and the production efficiency is high.

Claims

1. The utility model provides an evaporate full-automatic packaging system of pressure aerated concrete block tray of exempting from which characterized in that includes:

2. The tray-free full-automatic packaging system for the autoclaved aerated concrete blocks according to claim 1, wherein the finished product clamping module comprises clamping arms, a clamping arm beam, a clamping driving mechanism, a stand column, a rack, a traveling driving mechanism and a lifting driving mechanism;

the two ends of the arm clamping beam are respectively in sliding fit with the upright columns on the corresponding sides and can move up and down along the upright columns; the clamping arms are hinged with the clamping arm beam, and the clamping driving mechanism is used for driving the clamping and the loosening of the two opposite clamping arms; the rack is arranged on the upright post and can move between the roller conveying line and the preparation conveying line through the driving of the traveling mechanism; and the frame is provided with a lifting driving mechanism for driving the clamping arm beam to lift.

3. The tray-free full-automatic packaging system for the autoclaved aerated concrete blocks according to claim 2, wherein the lifting driving mechanism comprises a lifting hydraulic cylinder, a right side outer chain wheel, a right side inner chain wheel, a left side chain wheel, a slide block, a chain seat and a slide rail;

a sliding rail is fixed on the rack, the sliding block can move along the sliding rail, and the moving direction is parallel to the telescopic direction of the hydraulic cylinder; the chain seat is fixed on the sliding block, the left side and the right side of the upper end of the arm clamping beam are both connected with chains, the left side of the rack is fixedly connected with a left side chain wheel, and the right side of the rack is fixedly provided with a right side inner chain wheel and a right side outer chain wheel; the left chain is meshed and wound around the left chain wheel, then meshed and wound around the right inner chain wheel, and finally the tail end of the left chain is fixedly connected to the chain seat; the right chain is firstly meshed and wound around the right outer chain wheel and then fixed on the chain seat; the lifting hydraulic cylinder is hinged with the sliding block.

4. The tray-free full-automatic packaging system for the autoclaved aerated concrete blocks according to claim 2, wherein the walking driving mechanism comprises a walking driving motor, a universal shaft, a gear shaft, a beam roller and a beam rail;

a beam rail is fixed on the upright post, a beam roller is arranged on the rack, and the beam roller is matched with the beam rail; straight racks are arranged at the side ends of the upright posts; the walking driving motors are all fixed on the rack and are connected with the universal shaft through the speed reducer, the universal shaft is connected with the gear shaft, and the gears on the gear shaft are meshed with the spur rack.

5. The tray-free full-automatic packaging system for the autoclaved aerated concrete blocks according to claim 2, wherein the clamping driving mechanism comprises a clamping arm hydraulic cylinder, the clamping arm hydraulic cylinder is fixed on the clamping arm beam, the clamping arm hydraulic cylinder is a bidirectional hydraulic cylinder, telescopic rods at two ends of the clamping arm hydraulic cylinder are respectively hinged with one clamping arm, and the rotation of the two clamping arms is controlled through the extension and retraction of the clamping arm hydraulic cylinder, so that the clamping and loosening actions of the clamping arms 3 are realized.

6. The tray-free full-automatic packaging system for the autoclaved aerated concrete blocks according to claim 1, wherein the rotary clamping module comprises a truss, a lifting module and a rotary clamping unit, wherein the lifting module and the rotary clamping unit are arranged on the truss;

the rotary clamping unit is used for clamping the building block stack and can drive the building block stack to rotate; the lifting module is used for driving the rotary clamping unit to lift, and the truss is used for driving the rotary clamping unit to move between the stacking conveying line and the loading conveying line.

7. The tray-free full-automatic packaging system for the autoclaved aerated concrete blocks according to claim 6, wherein the rotary clamping unit comprises a rotary clamping arm, a guide rod, a synchronous rack, a synchronous gear, a rotary disc, a lifting appliance hydraulic cylinder, a cross arm, a connecting lug and a guide sleeve;

the lifting appliance hydraulic cylinder is characterized in that two ends of the lifting appliance hydraulic cylinder are hinged to the rotary clamping arms, the upper ends of the rotary clamping arms are fixed to the guide sleeves, the guide sleeves are sleeved on the guide rods and can slide along the guide rods, two ends of the guide rods are fixed to the support, the guide sleeves on the left side and the right side are respectively provided with a connecting lug, the synchronous racks and the connecting lugs are connected through pin shafts, the two synchronous racks are respectively meshed with the synchronous gears, the synchronous gears are connected to the support through rotating shafts, and the support is internally provided with two guide holes for the synchronous racks to move so that the synchronous racks are always meshed with the synchronous gears.

8. The autoclaved aerated concrete block tray-free full-automatic packaging system according to claim 6, wherein a rubber block for preventing damage caused by clamping of a block pile is mounted on the rotary clamping arm.

9. The autoclaved aerated concrete block tray-free full-automatic packaging system according to claim 6, wherein a stabilizing tray for keeping the block stack balanced is further arranged on the rotary clamping arm.

10. The tray-free full-automatic packaging system for the autoclaved aerated concrete blocks according to claim 1, wherein the preparation conveying line, the blank combining conveying line and the block arranging conveying line are all conveyed by rubber tracks.