CN116675040A

CN116675040A - Cloth spreading machine convenient for cloth feeding

Info

Publication number: CN116675040A
Application number: CN202310773337.5A
Authority: CN
Inventors: 钟淑玲
Original assignee: Sufeide China Automation Technology Co ltd
Current assignee: Sufeide China Automation Technology Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-09-01
Anticipated expiration: 2043-06-28
Also published as: CN116675040B

Abstract

The invention discloses a cloth spreading machine convenient for cloth feeding, which mainly comprises an upper computer, a bed, a sliding seat, a frame, a feeding mechanism, a tension force adjusting mechanism, a cloth clamping mechanism and a cloth feeding mechanism, wherein a control system is integrated in the upper computer, man-machine interaction can be realized, the bed can be used for placing laid cloth and is also a base of equipment, the sliding seat is arranged on the upper side of the bed and can drive the frame to move back and forth to realize cloth spreading action, the frame can move transversely, a cloth feeding roller and a cloth pressing roller which are arranged in the frame can realize cloth conveying, the feeding mechanism is arranged at the rear end of the frame and can realize feeding of coiled cloth through a mechanical arm structure, and the tension force adjusting mechanism is arranged in the frame and can dynamically adjust the tension force of the cloth, so that the tension force of the cloth is uniform in the whole laying process; the cloth clamping mechanism is fixedly arranged at the front end of the bed, stable clamping of the cloth end head and firm compression of the laid cloth can be realized, and the cloth feeding mechanism is arranged on the sliding seat stand and can feed the cloth end head into the cloth clamping mechanism for clamping.

Description

Cloth spreading machine convenient for cloth feeding

Technical Field

The invention relates to the technical field of cloth spreading machines, in particular to a cloth spreading machine convenient for cloth feeding.

Background

Along with the continuous development of industrialization, the clothing industry gradually changes from traditional manpower intensive type to industrialization and automation. Because most of the cloth is coiled for production and transportation, an important process is that the coiled state of the cloth needs to be unfolded into a multi-layer stacked plane state to efficiently cut and discharge to a user factory; in the clothes making process, the cloth pulling and cutting occupy the vital function, only regular cut pieces have the opportunity to sew the clothes meeting the specification, and if the cut pieces are irregular, even if a good sewing machine is adopted, excellent sewing workers can not sew the clothes with high quality absolutely, and the cloth pulling is the precondition of the cloth cutting and is also the first process of the clothes making, and the quality of the cloth pulling directly determines the quality of the finished clothes.

The special spreading machine for spreading cloth is a spreading machine which enters the domestic market from the beginning of 90 s of the last century, only European and American series and daily series spreading machines are popularized in China initially, and the market of the Chinese spreading machine is mature gradually and huge after the development of the last twenty years; the invention patent with application number 202011229545.1 discloses a three-in-one cloth spreading machine for producing clothing fabrics, which comprises a frame, a workbench, a cutting mechanism and a cloth spreading mechanism, wherein the cutting mechanism cuts cloth, and the cutting mechanism can translate and move up and down so as to achieve the aim of cutting the cloth, and a rubber pad at the bottom of a box body is contacted with the cloth for pressing, so that the cloth cannot run out; however, the structure still has certain technical defects: (1) the cloth roll is inconvenient to feed; (2) the guide wheels I and II are inconvenient to detach or open, so that the cloth feeding process is time-consuming and labor-consuming, and fingers are easy to be injured by extrusion; (3) when spreading cloth with better air tightness such as coated cloth, air between layers is not easy to discharge due to air impermeability of the cloth, and air isolation drifting problem can be generated, and the cloth spreading machine can not solve the problem well; (4) the running speed of the cloth pulling mechanism is usually slower than the normal running speed when the cloth pulling mechanism starts and stops, namely, the situation that two ends are slow and the middle is fast exists, the tension of cloth is difficult to ensure to be uniform all the time, uneven cloth spread caused by uneven tension can be caused by uneven tension, the difficulty of subsequent cloth cutting is increased, and the yield is reduced to cause great waste. Therefore, the development of the spreading machine which is easy to feed, easy to load cloth, even in tension and capable of spreading coated cloth efficiently has obvious economic and social benefits.

Disclosure of Invention

In order to solve the defects in the prior art, the invention aims to provide the cloth spreading machine which is convenient for cloth feeding, wherein a plurality of cloth pressing rollers or guide rollers can move or swing, so that cloth is convenient to feed, a mechanical arm mechanism is adopted for automatic feeding during cloth roll feeding, the labor intensity of workers is reduced, the spreading of coating cloth can be efficiently realized through negative pressure adsorption, the tensioning force of the cloth can be dynamically regulated, and a good spreading effect is realized.

The technical scheme adopted by the invention is as follows: the utility model provides a cloth spreading machine of conveniently going up cloth, mainly includes host computer, bed, slide, frame, feed mechanism, tensioning force adjustment mechanism, presss from both sides cloth mechanism, feed mechanism, its characterized in that: an intelligent control system is integrated in the upper computer, can automatically control the feeding position, the cloth tensioning force and the laying speed according to the material and the size of the cloth, and can be used for realizing man-machine interaction; the upper side of the bed is of a rectangular plane structure, and two rows of bed racks and two rows of bed guide rails are longitudinally arranged on the left side and the right side of the bed; the sliding seat is of a bilateral symmetry structure, is arranged on the upper side of the bed and can move and position back and forth, a flat plate with a lightening hole is arranged on the upper side of the sliding seat, two groups of guide rails and two transverse sliding tables are arranged on the upper side of the flat plate, and two sliding seat vertical frames are vertically arranged on the front sides of the two ends of the flat plate; the left side and the right side of the frame are vertically arranged symmetrical plate-shaped structures, and the frame is arranged on the upper side of the sliding seat and can realize transverse movement and positioning by two transverse sliding tables; the cloth feeding roller is arranged at the upper end of the frame and is driven to rotate by a cloth feeding motor; the two electric actuators are symmetrically arranged on two sides of the frame respectively, the central lines of the two electric actuators are vertically crossed with the central axis of the cloth feeding roller, the upper end of each electric actuator is connected with one press roller seat through two first pressure sensors, two cloth pressing rollers are rotatably arranged between the two press roller seats, and the two cloth pressing rollers can press cloth on the lower side of the cloth feeding roller, so that the cloth feeding roller is convenient for conveying the cloth; two guide roller sliding tables are vertically arranged at the front ends of two sides of the frame, and the first guide roller can freely rotate and can be lifted and positioned by the two guide roller sliding tables; the feeding mechanism comprises a feeding large arm and a feeding small arm, the feeding mechanism is symmetrically arranged on the left side and the right side of the frame, the two feeding large arms are arranged on the two sides of the frame and can rotate and position, and the two feeding small arms are arranged at the lower ends of the corresponding feeding large arms and can rotate and position relatively; the tensioning force adjusting mechanism comprises a cloth supporting electric cylinder, joint bearing rods, inclined pushing electric cylinders and adjusting rollers, wherein the upper ends of the two cloth supporting electric cylinders are respectively rotatably arranged on two sides of the frame, the two inclined pushing electric cylinders are arranged on two sides of the frame and can realize swinging and positioning of the corresponding cloth supporting electric cylinders, the lower ends of the two cloth supporting electric cylinders are respectively provided with one joint bearing rod, and the adjusting rollers are arranged between the two joint bearing rods and can freely rotate; the cloth clamping mechanism mainly comprises a cloth clamping frame, a cloth clamping lower jaw plate and a cloth clamping upper jaw plate, wherein the cloth clamping frame is fixedly arranged at the front end of the bed, the cloth clamping lower jaw plate is arranged in the cloth clamping frame and can be controlled to lift and position by two cloth clamping lower sliding tables, and the cloth clamping upper jaw plate is arranged at the upper side of the cloth clamping lower jaw plate and can be controlled to lift and position by two cloth clamping upper sliding tables; the cloth feeding mechanism is arranged on the slide seat stand and can feed the cloth end to the cloth clamping mechanism for clamping.

Preferably, when the cloth is shifted leftwards, the two transverse sliding tables act simultaneously, so that the rack moves rightwards for proper displacement; when the cloth is shifted rightwards, the two transverse sliding tables simultaneously drive the rack to move leftwards for proper displacement; the whole deviation rectifying process adopts a negative feedback closed loop servo regulation mode.

Preferably, the lower end of the feeding small arm is provided with a hook groove, and the outer end teeth of the hook groove are higher than the inner end teeth, so that the feeding of the cloth roll can be stably realized.

Preferably, the cloth feeding roller is of a cylindrical structure, and the outside of the cloth feeding roller is coated with a layer of rubber material for increasing friction force with cloth.

As the preference, connect in series a No. two pressure sensor and rubber pad between lower extreme and the joint bearing pole of propping cloth electric jar, but two No. two pressure sensor real-time supervision cloth's tensile force in the granny rag in-process to adjust the flexible volume that corresponds to propping cloth electric jar through the size of comparing two pressure numerical values, thereby guarantee that the dancer roll is in accurate horizontally state all the time, also can make the tensile force at cloth both ends balanced, avoid appearing crookedly.

Preferably, 15 rectangular teeth are arranged at the rear end of the cloth clamping lower jaw plate, and rectangular grooves are formed between adjacent rectangular teeth.

Preferably, the rear end of the upper jaw plate of the cloth clamping is provided with 15 rectangular teeth, rectangular grooves are formed between adjacent rectangular teeth, and the structures of the rectangular teeth and the rectangular grooves at the rear end of the upper jaw plate of the cloth clamping are in one-to-one correspondence with the structures of the rectangular teeth and the rectangular grooves at the rear end of the lower jaw plate of the cloth clamping.

Preferably, the lower side of the cloth clamping lower jaw plate is transversely provided with a plurality of stripes, so that stable compaction of the laid cloth is realized.

Preferably, a row of scale marks are transversely arranged at the rear end of the upper side of the cloth clamping upper jaw plate, and the scale marks correspond to the scale marks on the upper side of the cloth feeding upper jaw plate one by one.

Preferably, inclined well grid patterns are arranged on the lower side of the rear end of the upper cloth clamping jaw plate and the upper side of the rear end of the lower cloth clamping jaw plate, so that friction force between the upper cloth clamping jaw plate and cloth can be effectively increased, and the cloth clamping upper jaw plate and the lower cloth clamping jaw plate can clamp the cloth more stably.

The invention has the beneficial effects that:

(1) Because the weight and the volume of the coiled cloth are large, the traditional manual feeding mode has great physical consumption on workers, and safety accidents such as falling objects, extrusion and the like are easy to occur; the mechanical hoisting feeding mode has higher requirements on the hoisting technology of workers, and also has the problems of low efficiency and complicated operation; according to the automatic feeding device, a mechanical arm automatic feeding mode is adopted, after the parameters of the cloth rolls are input into the upper computer, the system automatically selects proper feeding positions and finishes feeding actions, so that the automatic feeding device has high automation and intellectualization, the feeding efficiency is greatly improved, and the safety of personnel and equipment is also ensured.

(2) When the traditional cloth spreading machine is used for spreading cloth, the cloth is required to be wound on a plurality of cloth rollers, or the cloth rollers are frequently detached and installed, so that the cloth spreading efficiency is greatly reduced, and the equipment is easily damaged and the precision is easily reduced due to frequent detachment; the cloth pressing roller, the regulating roller, the guide roller, the upper jaw plate, the lower jaw plate and the like can move or swing, so that a relatively wide cloth feeding channel can be formed in the frame during cloth feeding, each part can be automatically reset after cloth feeding is finished, cloth feeding operation is greatly facilitated, and cloth feeding efficiency and cloth feeding quality can be obviously improved.

(3) Most of cloth pressing rollers in the traditional structure are one, so that the phenomenon of integral or partial slipping easily occurs, and the phenomenon of weft inclination of the cloth cover occurs; according to the cloth feeding roller, the outer side of the cloth feeding roller is coated with the rubber material for increasing friction force, and the cloth is pressed on the lower side of the cloth feeding roller by adopting the two cloth pressing rollers, so that the contact area and static friction force between the cloth and the cloth feeding roller can be effectively increased, the cloth feeding roller and the cloth are effectively prevented from slipping, and the phenomenon of weft inclination is avoided.

(4) The lower ends of the two cloth supporting electric cylinders are respectively provided with a second pressure sensor, the tension of cloth in the cloth spreading process can be monitored in real time by the second pressure sensors, and the expansion and contraction quantity of the corresponding cloth supporting electric cylinders is adjusted by comparing the magnitudes of the two pressure values, so that the regulating roller is always in an accurate horizontal state, the tension at the two ends of the cloth can be balanced, and the cloth is prevented from being skewed when being paved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of a front view of a frame position in the present invention.

Fig. 3 is a schematic view of a rear view of a frame position in the present invention.

Fig. 4 is a schematic diagram showing a front view of a cloth feeding mechanism according to the present invention.

Fig. 5 is a schematic rear view of a cloth feeding mechanism according to the present invention.

Fig. 6 is a schematic diagram of the overall structure of the cloth clamping mechanism in the present invention.

Fig. 7 is a schematic bottom view of the cloth clamping mechanism of the present invention.

Fig. 8 is a schematic diagram of a state in the feeding process of the present invention.

Fig. 9 is a schematic view of a partial sectional structure of the lower end position of the power distribution cylinder.

FIG. 10 is a schematic cross-sectional view of one state of the present invention during the dispensing process.

FIG. 11 is a schematic cross-sectional view of one state of the spreading process of the present invention.

Reference numerals: 1 bed, 1.1 bed rack, 1.2 bed guide rail, 2 cloth feeding mechanism, 3 frame, 3.1 first electric cylinder seat, 4 first guide roller, 5 cloth feeding roller, 6 cloth roll, 7 feeding mechanism, 8 cloth feeding motor, 9 connecting plate, 10 guide roller sliding table, 11 traversing sliding table, 12 sliding seat, 12.1 sliding seat vertical frame, 12.2 sliding seat guide rail, 13 sliding seat motor, 14 clamping frame, 15 cloth sweeping roller, 15.1 cloth sweeping strip, 16 belt, 17 cloth sweeping motor, 18 cloth feeding upper jaw plate, 18.1 upper jaw connecting frame, 19 second slide block, 20 cloth supporting electric cylinder, 21 electric actuator, 22 cloth pressing roller, 23 feeding small arm, 24 small arm electric cylinder, 25 large arm electric cylinder, 26 feeding large arm, 26.1 second electric cylinder seat, 27 swing arm motor, 28 first connecting angle, 29 cloth sweeping swing arm, 29.1 connecting plate, 30 cloth feeding lower jaw plate, 30.1 air pipe the device comprises a first camera, a 32 cutting motor, a 33 first pressure sensor, a 34 press roller seat, a 35 oblique pushing cylinder, a 36 regulating roller, a 37 upper jaw sliding table, a 38 third connecting angle, a 39 second connecting angle, a 40 lower jaw sliding table, a 41.1 upper jaw first guide rail, a 41.2 upper jaw second guide rail, a 42 upper jaw rack, a 43 fourth belt pulley, a 44 second synchronous belt, a 45 cloth cutter, a 46 second belt pulley, a 47 third belt pulley, a 48 first synchronous belt, a 49 first sliding block, a 50 first belt pulley, a 51 second guide roller, a 52 camera motor, a 53 second camera, a 54 cloth clamping lower jaw plate, a 55 cloth clamping lower sliding table, a 56 fourth connecting angle, a 57 cloth clamping upper sliding table, a 58 fifth connecting angle, a 59 cloth clamping upper jaw plate, a 60 first gear, a 61 second gear, a 62 rubber pad, a 63 second pressure sensor and a 64 joint bearing rod.

Detailed Description

The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not to be construed as limiting the invention.

As shown in fig. 1, the spreading machine convenient for spreading mainly comprises a bed 1, a cloth feeding mechanism 2, a frame 3, a first guide roller 4, a cloth feeding roller 5, a feeding mechanism 7, a cloth feeding motor 8, a connecting plate 9, a guide roller sliding table 10, a traversing sliding table 11, a sliding seat 12, a sliding seat motor 13, a cloth clamping mechanism, a cloth supporting electric cylinder 20, an electric actuator 21, a cloth pressing roller 22, a first pressure sensor 33, a press roller seat 34, an oblique pushing electric cylinder 35, an adjusting roller 36, a first gear 60, a rubber pad 62, a second pressure sensor 63, a joint bearing rod 64 and an upper computer, wherein the upper side of the bed 1 is of a rectangular planar structure, enough supporting legs are arranged on the lower side of the bed 1 to provide stable and horizontal support for the upper side planar structure, two rows of bed racks 1.1 and two rows of bed guide rails 1.2 are longitudinally arranged on the left side and the right side of the bed 1, and the front end of the bed 1 is fixedly provided with the cloth clamping mechanism; the upper computer can be installed on one side of the spreading machine according to the requirement, an intelligent control system is integrated in the upper computer, parameters such as feeding position, cloth tensioning force, spreading speed and the like can be automatically controlled according to the material and the size of cloth, and the upper computer can be used for realizing man-machine interaction.

As shown in fig. 2 and 5, the sliding seat 12 is in a bilateral symmetry structure, two vertical plate structures are respectively arranged at the left end and the right end of the sliding seat 12, two sliding blocks are respectively arranged at the inner sides of the lower ends of the vertical plate structures at the two ends, the four sliding blocks are respectively matched with the corresponding side of the laying guide rail 1.2 and form a moving pair, so that the sliding seat 12 can move back and forth on the laying 1, the upper sides of the two ends of the sliding seat 12 are connected through a flat plate and form a moving whole, triangular rib plates are arranged between the two vertical plate structures and the flat plate and used for increasing the rigidity and strength of the sliding seat 12, a strip weight reducing hole is arranged in the middle position of the flat plate, two parallel sliding seat guide rails 12.2 and a traversing sliding table 11 are transversely arranged at the upper side of the left end of the flat plate, the traversing sliding table 11 is electrically connected with an upper position and is arranged between the two sliding seat guide rails 12.2, a movable sliding block is arranged at the upper side of the traversing sliding table 11, an encoder is integrated in the traversing sliding table 11, and the encoder can monitor the position of the corresponding sliding block in real time, so that the corresponding sliding block can move accurately; the upper side of the right end of the flat plate is also provided with two parallel slide guide rails 12.2 and a transverse sliding table 11, and the installation position is symmetrical with the left end; the front sides of the vertical plate structures at the two ends of the sliding seat 12 are vertically provided with a plate-shaped sliding seat vertical frame 12.1, and the upper ends of the two sliding seat vertical frames 12.1 are connected through a square pipe, so that the rigidity and the strength of the sliding seat vertical frame 12.1 are increased; the lower sides of vertical plate structures at the left end and the right end of the sliding seat 12 are respectively provided with a sliding seat motor 13, the two sliding seat motors 13 are all electrically connected with an upper computer, a first gear 60 is coaxially and fixedly arranged on the output shafts of the two sliding seat motors 13, the two first gears 60 are respectively meshed with the corresponding side of the bedding rack 1.1 to form a gear rack transmission structure, so that the sliding seat 12 can move forwards and backwards on the bedding 1 by simultaneously rotating the two sliding seat motors 13 at the same speed, encoders and brakes are integrated in the two sliding seat motors 13, the rotation angles of the corresponding gears can be monitored in real time by the encoders, the positions of the sliding seat 12 are determined, and the corresponding sliding seat motor 13 output shaft can be locked by rotating by the brakes, so that the positioning of the sliding seat 12 is realized.

As shown in fig. 2 and 3, the frame 3 is in a bilateral symmetry structure, the left side and the right side of the frame 3 are respectively in a vertically arranged platy structure, the platy structures on the two sides are connected into a whole in a movement manner through three square pipes, two sliding block structures are arranged at the lower ends of the platy structures on the left side and the right side, the frame 3 is arranged on the upper side of the sliding seat 12, four sliding block structures at the lower end of the frame 3 are respectively arranged in a matched manner on the corresponding four sliding seat guide rails 12.2 to form a moving pair, so that the frame 3 can move left and right, the lower ends of the platy structures on the left side and the right side of the frame 3 are respectively fixedly connected with the sliding blocks on the corresponding transverse sliding tables 11, and the sliding blocks on the two transverse sliding tables 11 can move at the same speed at the same time to realize transverse movement and positioning of the frame 3; two first electric cylinder seats 3.1 are symmetrically arranged on the outer sides of the plate-shaped structures on the left side and the right side of the frame 3.

As shown in fig. 2, the feeding mechanism 7 mainly includes a large feeding arm 26, a large arm electric cylinder 25, a small feeding arm 23 and a small arm electric cylinder 24, and the feeding mechanism 7 is symmetrically disposed on the left and right sides of the frame 3, wherein the lower end of the large feeding arm 26 in the feeding mechanism 7 on the right side is rotatably mounted on the lower end of the outer side of the right plate-shaped structure of the frame 3; the upper end of the large arm electric cylinder 25 is rotationally connected with the first electric cylinder seat 3.1 on the right side, and the lower end of the large arm electric cylinder 25 is rotationally connected with the feeding large arm 26, so that the large arm electric cylinder 25 can control the up-and-down swing of the feeding large arm 26 through expansion and contraction; the large arm electric cylinder 25 is electrically connected with the upper computer, an encoder and a brake are integrated in the large arm electric cylinder, the encoder can monitor the elongation of the large arm electric cylinder 25 in real time, so that the swing position of the feeding large arm 26 is determined, and the brake can realize the positioning of the feeding large arm 26; the upper end of the small feeding arm 23 is rotatably connected with the upper end of the large feeding arm 26, and the lower end of the small feeding arm 23 is provided with a hook groove, and the outer end teeth of the hook groove are higher than the inner end teeth, so that the cloth roll feeding can be stably realized; the small arm electric cylinder 24 is electrically connected with the upper computer and is arranged on the outer side of the feeding large arm 26, the lower end of the small arm electric cylinder is rotationally connected with the feeding large arm 26, the upper end of the small arm electric cylinder 24 is rotationally connected with the feeding small arm 23, so that the small arm electric cylinder 24 can control the swinging of the feeding small arm 23 through expansion and contraction, an encoder and a brake are integrated in the small arm electric cylinder 24, the elongation of the small arm electric cylinder 24 can be monitored in real time by the encoder, the phase position of the feeding small arm 23 relative to the feeding large arm 26 is determined, and the phase locking of the feeding small arm 23 and the feeding large arm 26 can be realized by the brake; the left side of the frame 3 is also provided with a feeding large arm 26, a large arm electric cylinder 25, a feeding small arm 23 and a small arm electric cylinder 24, and the installation position, the action principle and the action state of each part are the same as those of the corresponding part on the right side.

As shown in fig. 2 and 3, the cloth feeding roller 5 has a cylindrical structure, and is coated with a layer of rubber material to increase friction force with cloth, and the cloth feeding roller 5 is mounted at the rear side of the upper end inside the frame 3 and can rotate freely; the cloth feeding motor 8 is electrically connected with the upper computer and fixedly arranged on the right side of the frame 3, and an output shaft of the cloth feeding motor is coaxially and fixedly connected with the cloth feeding roller 5, so that the cloth feeding motor 8 can drive the rotation and locking of the cloth feeding roller 5; the encoder and the brake are integrated in the cloth feeding motor 8, the encoder can monitor the rotation angle of the cloth feeding motor 8 in real time, so that the rotation speed of the cloth feeding roller 5 is determined, and the brake can realize the locking of the cloth feeding roller 5; two electric actuators 21 are symmetrically arranged in the two sides of the frame 3, the center lines of the two electric actuators 21 are vertically crossed with the center axis of the cloth feeding roller 5, for example, an electric actuator 21 is obliquely and fixedly arranged at the rear end of the inner side of a right plate-shaped structure of the frame 3, a press roller seat 34 is arranged at the upper end of the electric actuator 21, two first pressure sensors 33 are arranged between the press roller seat 34 and the extending end of the electric actuator 21, and two joint bearings are arranged at the upper end of the press roller seat 34 side by side; the inner side of the left plate-shaped structure of the frame 3 is also fixedly provided with an electric actuator 21, a press roller seat 34 and two first pressure sensors 33, the installation positions and the installation modes of the components are the same as those of the corresponding components on the right side, and the two electric actuators 21 and the four first pressure sensors 33 are electrically connected with an upper computer.

As shown in fig. 3, 10 and 11, the cloth pressing rollers 22 are in a cylindrical structure, and are coated with a layer of rubber material to increase friction force with cloth, and two ends of the two cloth pressing rollers 22 are respectively and rotatably connected with two knuckle bearings corresponding to the upper ends of the side pressing roller seats 34; after the two electric actuators 21 are stretched at the same time, the two cloth pressing rollers 22 can press cloth on the lower side of the cloth feeding roller 5, and the contact area and static friction force between the cloth and the cloth feeding roller 5 are increased, so that the cloth feeding motor 8 can drive the cloth feeding roller 5 to rotate, and the cloth is conveyed; the four first pressure sensors 33 can monitor the pressure between the two cloth pressing rollers 22 and the cloth feeding roller 5 at the corresponding ends in real time, and feed back pressure signals to the upper computer, and the upper computer respectively transmits the adjusting information to the two electric actuators 21, so that the pressure between the cloth pressing rollers 22 and the two ends of the cloth feeding roller 5 is always the same, and the cloth conveying is ensured not to deviate; after the two electric actuators 21 shrink simultaneously, a larger gap is formed between the two cloth pressing rollers 22 and the cloth feeding roller 5, so that the cloth is fed after being uncoiled.

As shown in fig. 2 and 3, the front ends of the left and right sides of the frame 3 are vertically provided with a guide roller sliding table 10, the upper sides of the two guide roller sliding tables 10 are respectively provided with a movable sliding block, the two sliding blocks are fixedly connected with a connecting plate 9, the connecting plate 9 is of a plate-shaped structure, and the front ends of the connecting plate 9 are provided with a smooth round hole; the two guide roller sliding tables 10 are electrically connected with the upper computer, and the two guide roller sliding tables must act at the same speed, so that smooth round holes at the front ends of the two connecting plates 9 at the left side and the right side are always coaxial; the guide roller 4 is of a cylindrical structure, and two ends of the guide roller 4 are respectively rotatably arranged in smooth round holes at the front ends of two connecting plates 9 at the left side and the right side, so that the guide roller 4 can be moved up and down and positioned by two guide roller sliding tables 10; and the inside encoder and the brake that integrate of deflector roll slip table 10, but encoder real-time supervision corresponds the position of slider to confirm the position of guide roll 4 No. one, the brake can realize the position locking of guide roll 4 No. one.

As shown in fig. 3 and 10, a cloth supporting cylinder 20 is arranged on the inner side of the right end of the frame 3, the upper end of the cloth supporting cylinder 20 is rotatably connected with a plate-shaped structure on the right side of the frame 3, the lower end of an inner rod of the cloth supporting cylinder 20 is connected with the upper end of a joint bearing rod 64, the upper end of the joint bearing rod 64 is arranged in the inner rod of the cloth supporting cylinder 20 and forms a moving pair, a second pressure sensor 63 is arranged on the upper side of the joint bearing rod 64, the second pressure sensor 63 is electrically connected with an upper computer, a rubber pad 62 is arranged between the upper side of the second pressure sensor 63 and the lower end of the inner rod of the cloth supporting cylinder 20, the rubber pad 62 has certain elasticity, and a smooth round hole is transversely arranged at the lower end of the joint bearing rod 64; the rear end of the inclined push electric cylinder 35 is rotationally connected with a plate-shaped structure on the right side of the frame 3, the front end of the inclined push electric cylinder 35 is rotationally connected with the cloth supporting electric cylinder 20, and the inclined push electric cylinder 35 can realize the swing and positioning of the cloth supporting electric cylinder 20 through expansion and contraction; the inner side of the left end of the frame 3 is provided with a group of tension force adjusting mechanisms consisting of a cloth supporting electric cylinder 20, a second pressure sensor 63, a joint bearing rod 64, a rubber pad 62 and an inclined pushing electric cylinder 35, and the installation action principle of the components is the same as that of the corresponding components on the right side; the regulating roller 36 is of a cylindrical structure, two ends of the regulating roller 36 are respectively and rotatably connected with smooth round holes corresponding to the lower ends of the knuckle bearing rods 64, and the regulating roller 36 can be used for dynamically regulating the tension of cloth, so that the tension of the cloth is uniform in the whole laying process; the cloth supporting electric cylinder 20 is electrically connected with an upper computer, an encoder and a brake are integrated in the cloth supporting electric cylinder, the encoder can monitor the elongation of the cloth supporting electric cylinder 20 in real time, so that the regulating roller 36 is always in a substantially horizontal state, and the brake can lock the height position of the regulating roller 36; the two second pressure sensors 63 can monitor the tension of the cloth in the cloth spreading process in real time, and adjust the expansion and contraction amount of the corresponding cloth supporting electric cylinder 20 by comparing the two pressure values, so that the regulating roller 36 is always in an accurate horizontal state, the tension at the two ends of the cloth can be balanced, and the skew is avoided; the inclined pushing electric cylinder 35 is electrically connected with the upper computer, an encoder and a brake are integrated in the inclined pushing electric cylinder 35, the encoder can monitor the elongation of the inclined pushing electric cylinder 35 in real time, so that the swing angle positions of the cloth supporting electric cylinder 20 and the regulating roller 36 are determined, and the brake can realize the swing angle position positioning of the regulating roller 36 of the cloth supporting electric cylinder 20.

As shown in fig. 4 and 5, the cloth feeding mechanism 2 mainly comprises a cloth scanning roller 15, a belt 16, a cloth scanning motor 17, a cloth feeding upper jaw plate 18, a second sliding block 19, a swing arm motor 27, a first connecting angle 28, a cloth scanning swing arm 29, a cloth feeding lower jaw plate 30, a first camera 31, a cutting motor 32, an upper jaw sliding table 37, a third connecting angle 38, a second connecting angle 39, a lower jaw sliding table 40, an upper jaw first guide rail 41.1, an upper jaw rack 42, a fourth belt pulley 43, a second synchronous belt 44, a cloth cutter 45, a second belt pulley 46, a third belt pulley 47, a first synchronous belt 48, a first sliding block 49, a first belt pulley 50, a second guide roller 51, a camera 52, a second camera 53 and a second gear 61, wherein the two lower jaw sliding tables 40 are respectively and fixedly arranged at the outer sides of the two slide carriage uprights 12.1, the sliding blocks on the right side of the two lower jaw sliding tables 40 are respectively provided with a movable sliding block, the sliding blocks on the right side lower jaw sliding tables 40 are fixedly connected with the upper jaw plate 30 through the first connecting angle 28 and the lower jaw plate 30, and the left side of the lower jaw sliding tables 40 are fixedly connected with the upper jaw plate 30 through the left sliding table side fastening ends and the lower jaw plate fastening connection; the two jaw sliding tables 40 are integrated with encoders and brakes, the encoders can monitor the positions of the corresponding sliding blocks in real time, so that the positions of the cloth feeding jaw plates 30 are determined, the cloth feeding jaw plates 30 are always in a horizontal state, and the brakes can realize stable locking of the positions of the cloth feeding jaw plates 30.

As shown in fig. 4, the main body of the cloth feeding lower jaw plate 30 is in a flat plate structure, 14 rectangular teeth are arranged at the front end of the main body, rectangular grooves are formed between the adjacent rectangular teeth, a plurality of air holes are formed in the front end of each rectangular tooth and the front end surface of each rectangular groove at equal intervals in the transverse direction, all the air holes are communicated with each other through a transverse pipeline inside the cloth feeding lower jaw plate 30, the right end of each transverse pipeline is communicated with the inner end of the corresponding air pipe 30.1, the corresponding air pipe 30.1 is fixed through an air pipe buckle, the outer end of the corresponding air pipe 30.1 is communicated with an air station, the air station can suck air at negative pressure or blow air at positive pressure, namely, when the air station generates negative pressure, the air holes at the front end of the cloth feeding lower jaw plate 30 can suck air inwards, and when the air station generates positive pressure, the air holes at the front end of the cloth feeding lower jaw plate 30 can blow air outwards.

As shown in fig. 3 and 4, two vertical plates are arranged on the left side and the right side of the cloth feeding upper jaw plate 18; the second guide roller 51 is of a cylindrical structure, and the second guide roller 51 is arranged at the rear side of the lower ends of the two side vertical plates of the upper cloth feeding jaw plate 18 and can rotate freely; the two upper jaw sliding tables 37 are vertically and symmetrically arranged at the upper ends of the outer sides of the two slide seat vertical frames 12.1 respectively, each upper jaw sliding table 37 is provided with a sliding block, the sliding blocks on the left upper jaw sliding table 37 are fixedly connected with the upper ends of the left side vertical plates of the cloth feeding upper jaw plates 18 through a third connecting angle 38, and the sliding blocks on the right upper jaw sliding tables 37 are fixedly connected with the upper ends of the right side vertical plates of the cloth feeding upper jaw plates 18 through a third connecting angle 38, so that the two upper jaw sliding tables 37 can move at the same speed at the same time to realize the up-down movement and positioning of the cloth feeding upper jaw plates 18; the encoder and the brake are integrated in the two upper jaw sliding tables 37, and the encoder can monitor the positions of the corresponding sliding blocks in real time, so that the positions of the upper cloth feeding jaws 18 are determined, the upper cloth feeding jaws 18 are always in a horizontal state, and the brake can realize stable locking of the positions of the upper cloth feeding jaws 18.

As shown in fig. 2, 4 and 10, the main body of the upper feed jaw 18 has a plate-shaped structure, the front end of the upper feed jaw is provided with 14 rectangular teeth, rectangular grooves are formed between adjacent rectangular teeth, and the structures of the rectangular teeth and the rectangular grooves at the front end of the upper feed jaw 18 correspond to those of the rectangular teeth and the rectangular grooves at the front end of the lower feed jaw 30 one by one; a row of scale marks are transversely arranged at the front end of the upper side of the cloth feeding upper jaw plate 18, and the scale marks can be used for marking the positions of the edges of the two sides of the cloth; the upper side of the cloth feeding upper jaw plate 18 is transversely and fixedly provided with an upper jaw-guide rail 41.1 and an upper jaw rack 42; the inside of the cloth cutter 45 is provided with a downward laser emitter which can emit laser and is used for cutting cloth; the lower end of the cloth cutter 45 is provided with a sliding block structure which is matched with the upper jaw-guide rail 41.1 to form a moving pair, the rear side of the cloth cutter 45 is fixedly provided with a cutting motor 32, the output shaft of the cutting motor 32 is coaxially and fixedly provided with a gear number two 61, the gear number two 61 is meshed with the upper jaw rack 42 to form a gear rack transmission structure, and therefore the cutting motor 32 can realize left and right movement and positioning of the cloth cutter 45; the cutting motor 32 is electrically connected with an upper computer, an encoder and a brake are integrated in the cutting motor, the encoder can monitor the rotation angle of the second gear 61 in real time, so that the position of the cloth cutter 45 is determined, and the brake can realize stable locking of the position of the cloth cutter 45.

As shown in fig. 2, 4 and 5, the upper end of the cloth feeding upper jaw plate 18 is transversely provided with an upper jaw connecting frame 18.1, and two ends of the upper jaw connecting frame 18.1 are respectively and fixedly connected with two upright plates at the left side and the right side of the upper jaw plate 18, so that the structural strength of the upper jaw plate 18 can be effectively increased; the front side of the upper jaw connecting frame 18.1 is transversely and fixedly provided with an upper jaw two guide rail 41.2; the camera motor 52 is electrically connected with the upper computer and fixedly arranged on a vertical plate on the right side of the upper feed jaw plate 18, the first belt wheel 50 is of a synchronous belt wheel structure, and the first belt wheel 50 is coaxially and fixedly connected with an output shaft of the camera motor 52; the middle of the second belt wheel 46 is provided with a belt wheel structure, the upper end and the lower end of the second belt wheel 46 are coaxially provided with a gear, the second belt wheel 46 is vertically and rotatably arranged at the middle position of the rear side of the upper jaw connecting frame 18.1, the structure of the third belt wheel 47 is the same as that of the second belt wheel 46, the third belt wheel 47 is arranged at the left side of the second belt wheel 46, and the gears arranged at the upper end and the lower end of the second belt wheel are correspondingly meshed to form a gear transmission structure; the fourth belt wheel 43 is of a synchronous belt wheel structure and is rotatably arranged at the left end of the rear side of the upper jaw connecting frame 18.1; the first synchronous belt 48 is arranged between the first belt pulley 50 and the second belt pulley 46 and forms a synchronous belt transmission structure; the second synchronous belt 44 is arranged between the third belt pulley 47 and the fourth belt pulley 43 and forms a synchronous belt transmission structure; the first slider 49 is mounted on the two upper jaw guide rails 41.2 and forms a moving pair, and the rear end of the first slider 49 is in clamping connection with the first synchronous belt 48, so that the first synchronous belt 48 can realize the movement and the positioning of the first slider 49; the structure of the second slider 19 is the same as that of the first slider 49, the second slider 19 is mounted on the two upper jaw guide rails 41.2 and forms a moving pair, and the rear end of the second slider 19 is in clamping connection with the second synchronous belt 44, so that the second synchronous belt 44 can realize the movement and positioning of the second slider 19; the rear end of the first camera 31 is arranged on the first slider 49, the shooting angle can be adjusted, the first camera 31 can continuously collect high-definition images of the right edge of the cloth on the scale marks and transmit the data to the upper computer, so that whether the right edge of the cloth deviates in the cloth spreading process is judged; the rear end of the second camera 53 is mounted on the second slider 19, the photographing angle can be adjusted, the second camera 53 can continuously collect high-definition images of the left edge of the cloth on the scale marks and transmit the data to the upper computer, and therefore whether the left edge of the cloth deviates in the cloth spreading process or not is judged.

When wide cloth is laid, the output shaft of the camera motor 52 rotates clockwise, the first synchronous belt 48 rotates clockwise, and the second synchronous belt 44 rotates anticlockwise under the transmission action of the gear meshing structure, so that the first camera 31 and the second camera 53 move to two sides at the same time until the shooting areas of the first camera 31 and the second camera 53 are respectively aligned with the left edge and the right edge of the cloth and then stop; when narrow cloth is laid, the output shaft of the camera motor 52 rotates anticlockwise, and the first camera 31 and the second camera 53 move to the middle position at the same time until the shooting areas of the first camera 31 and the second camera 53 are respectively aligned with the left edge and the right edge of the cloth and then stop;

as shown in fig. 3 and 4, the outer sides of the upright plates at two sides of the upper cloth feeding jaw plate 18 are respectively and fixedly provided with a swing arm motor 27, the swing arm motor 27 is electrically connected with an upper machine, and a worm gear speed reducing structure is integrated in the swing arm motor 27; the two ends of the cloth sweeping swing arm 29 are in an arm-shaped structure, the two arm-shaped structures are connected into a whole through the swing arm connecting plate 29.1, the cross section of the swing arm connecting plate 29.1 is T-shaped, and the whole strength of the cloth sweeping swing arm 29 can be effectively increased; the rear ends of the two arm-shaped structures are respectively and fixedly connected with the output shafts of the corresponding side swing arm motors 27, so that the two swing arm motors 27 can simultaneously rotate at the same speed to realize the up-and-down swing and positioning of the cloth sweeping swing arm 29; encoders are integrated in the two swing arm motors 27, and can monitor the rotation angle of the output shaft of the corresponding swing arm motor 27 in real time so as to determine the position of the cloth sweeping swing arm 29; the worm and gear speed reducing structure inside the swing arm motor 27 has motion self-locking performance, and can effectively prevent the self-swinging of the cloth sweeping swing arm 29. The cloth scanning roller 15 is of a cylindrical structure, two cloth scanning strips 15.1 are arranged on the outer side of the cloth scanning roller, wherein the left half side of the cloth scanning strip 15.1 is of a left-handed structure, and the half side of the cloth scanning strip 15.1 is of a right-handed structure; the cloth scanning roller 15 is arranged at the front end of the cloth scanning swing arm 29 and can rotate freely, and two belt pulleys are coaxially arranged at two ends of the cloth scanning roller 15; the two cloth sweeping motors 17 are electrically connected with the upper computer and respectively and fixedly arranged at the left end and the right end of the swing arm connecting plate 29.1, a belt pulley is coaxially and fixedly arranged on the output shaft of each cloth sweeping motor 17, and a belt 16 is arranged between the belt pulley at the output end of the cloth sweeping motor 17 and the belt pulley at the end of the corresponding side cloth sweeping roller 15 to form a belt transmission structure; therefore, the two cloth sweeping motors 17 can simultaneously rotate at the same speed to enable the cloth sweeping rollers 15 to rotate clockwise, and the cloth is flattened from the middle to two sides through the cloth sweeping strips 15.1, so that the laying quality of the cloth is improved.

As shown in fig. 3 and 4, the cloth clamping mechanism mainly comprises a cloth clamping frame 14, a cloth clamping lower jaw plate 54, a cloth clamping lower sliding table 55, a cloth clamping upper sliding table 57 and a cloth clamping upper jaw plate 59, wherein two sides of the cloth clamping frame 14 are vertical plate structures, the two vertical plate structures are connected into a whole through a square pipe, and the two vertical plate structures are fixedly arranged at the front end of the upper side of the bed 1 through screws; the lower ends of the outer sides of the two vertical plate structures are respectively provided with a cloth clamping lower sliding table 55, the outer side of each cloth clamping lower sliding table 55 is provided with a sliding block capable of sliding up and down, and the two sliding blocks are respectively and fixedly connected with the left end and the right end of the cloth clamping lower jaw plate 54 through a fourth connecting angle 56; so that the two cloth clamping lower sliding tables 55 can move up and down and position the cloth clamping lower jaw plate 54 at the same time; the two cloth clamping lower sliding tables 55 are electrically connected with the upper computer, and the inside of the cloth clamping lower sliding tables is provided with an encoder and a brake, the encoder can monitor the positions of the corresponding sliding blocks in real time, so that the positions of the cloth clamping lower jaw plates 54 are known, the cloth clamping lower jaw plates 54 can be ensured to be always in a horizontal state, and the brake can realize the positioning of the cloth clamping lower jaw plates 54; the upper ends of the outer sides of the two vertical plate structures are respectively provided with a cloth clamping upper sliding table 57, the outer side of each cloth clamping upper sliding table 57 is provided with a sliding block capable of sliding up and down, and the two sliding blocks are respectively and fixedly connected with the left end and the right end of a cloth clamping upper jaw plate 59 through a fifth connecting angle 58; so that the two cloth clamping upper sliding tables 57 can move up and down and position the cloth clamping upper jaw plate 59 simultaneously; the two upper cloth clamping sliding tables 57 are electrically connected with the upper computer, encoders and brakes are arranged in the upper cloth clamping sliding tables, the encoders can monitor the positions of the corresponding sliding blocks in real time, so that the positions of the upper cloth clamping jaw plates 59 are known, the upper cloth clamping jaw plates 59 can be guaranteed to be always in a horizontal state, and the upper cloth clamping jaw plates 59 can be positioned by the brakes.

The main body of the cloth clamping lower jaw plate 54 is of a flat plate structure, 15 rectangular teeth are arranged at the rear end of the main body, rectangular grooves are formed between adjacent rectangular teeth, the rectangular teeth at the rear end of the cloth clamping lower jaw plate 54 correspond to the rectangular grooves at the front end of the cloth feeding lower jaw plate 30 in position and are equal in size, and the rectangular grooves at the rear end of the cloth clamping lower jaw plate 54 correspond to the rectangular teeth at the front end of the cloth feeding lower jaw plate 30 in position and are equal in size; the lower side of the cloth clamping lower jaw plate 54 is transversely provided with a plurality of stripes, so that stable compaction of the laid cloth is realized;

the main body of the cloth clamping upper jaw plate 59 is of a flat plate structure, 15 rectangular teeth are arranged at the rear end of the cloth clamping upper jaw plate, rectangular grooves are formed between the adjacent rectangular teeth, and the structures of the rectangular teeth at the rear end of the cloth clamping upper jaw plate 59 and the rectangular grooves are in one-to-one correspondence with the structures of the rectangular teeth at the rear end of the cloth clamping lower jaw plate 54 and the rectangular grooves; the rear end of the upper side of the cloth clamping upper jaw plate 59 is transversely provided with a row of scale marks which are in one-to-one correspondence with the scale marks on the upper side of the cloth feeding upper jaw plate 18; the lower side of the rear end of the cloth clamping upper jaw plate 59 and the upper side of the rear end of the cloth clamping lower jaw plate 54 are respectively provided with inclined well grid patterns, so that friction force between the cloth clamping upper jaw plate 59 and cloth clamping lower jaw plate 54 can be effectively increased, and the cloth clamping upper jaw plate is more stable when the cloth is clamped by the cloth clamping lower jaw plate 54.

Embodiment one: the feeding process is shown in FIG. 8

1) Inputting the diameter of a cloth coiled material on an upper computer, automatically determining the height of a cloth reel mandrel by the upper computer, and then executing a first feeding step: the two large arm electric cylinders 25 extend simultaneously, so that the two feeding large arms 26 swing downwards simultaneously, the two small arm electric cylinders 24 extend simultaneously, so that the two feeding small arms 23 swing downwards simultaneously, and the hook grooves at the lower ends of the feeding small arms 23 reach a preset height;

2) Conveying the rolled cloth to the rear end of the spreading machine, enabling the axial direction to be approximately parallel to the rear end face of the spreading machine, and then clamping an axle center rod of the rolled cloth into a hook groove at the lower end of a feeding small arm 23;

3) And (3) carrying out a second feeding step: the two large arm electric cylinders 25 are contracted simultaneously, so that the two feeding large arms 26 swing upwards simultaneously, then the two small arm electric cylinders 24 are contracted simultaneously, so that the two feeding small arms 23 swing forwards simultaneously, the cloth coiled material reaches a designated position, and the feeding process is completed.

Embodiment two: the cloth feeding process, as shown in FIG. 8

1) After the feeding process is finished, the first step of feeding cloth is executed on the upper computer:

the two electric actuators 21 are contracted simultaneously, so that the two cloth pressing rollers 22 are moved downwards to the lower position simultaneously; two sliding blocks on the two guide roller sliding tables 10 simultaneously move downwards to enable the first guide roller 4 to move downwards to the lower position;

Then, the two sliding blocks on the two upper jaw sliding tables 37 move upwards simultaneously, so that the cloth feeding upper jaw plate 18 reaches the upper position; the two cloth supporting cylinders 20 are contracted to move the regulating roller 36 upwards;

the sliding blocks on the two jaw sliding tables 40 simultaneously move upwards to enable the cloth feeding lower jaw plate 30 to move upwards to a certain position; the two oblique pushing cylinders 35 are extended simultaneously, so that the two cloth supporting cylinders 20 are swung forward simultaneously, and the regulating roller 36 is moved obliquely upward;

then a relatively wide cloth feeding channel is formed between the cloth feeding roller 5, the regulating roller 36, the cloth feeding upper jaw plate 18, the cloth pressing roller 22, the first guide roller 4 and the cloth feeding lower jaw plate 30;

2) Opening the coiled cloth, and introducing the cloth from the cloth feeding channel to the upper side of the cloth feeding lower jaw plate 30 so that the front end of the cloth is level with the front end of the cloth feeding lower jaw plate 30;

3) Executing a second cloth feeding step on the upper computer:

the two sliding blocks on the two upper jaw sliding tables 37 simultaneously move downwards, so that the cloth feeding upper jaw plate 18 moves downwards and the front end of the cloth is pressed on the cloth feeding lower jaw plate 30; the two upper jaw sliding tables 37 and the two lower jaw sliding tables 40 act simultaneously, so that the cloth feeding upper jaw 18 and the cloth feeding lower jaw 30 move downwards simultaneously under the state of mutual clamping until the distance between the cloth feeding lower jaw 30 and the bed 1 is 1mm; the camera motor 52 rotates to enable the first camera 31 and the second camera 53 to move simultaneously until the left edge and the right edge of the cloth are above;

Afterwards, the two oblique pushing electric cylinders 35 are contracted simultaneously, and the two cloth supporting electric cylinders 20 are in a vertical state; the two sliding blocks on the two guide roller sliding tables 10 move upwards simultaneously, so that the first guide roller 4 moves upwards to an upper position; the two electric actuators 21 extend simultaneously, so that the two cloth pressing rollers 22 press cloth on the lower side of the cloth feeding roller 5;

the cloth supporting cylinder 20 is gradually extended to enable the regulating roller 36 to move downwards, and in the process, the two second pressure sensors 63 dynamically monitor the pressure between the cloth and the regulating roller 36; (1) if the pressure detected by the second pressure sensor 63 is smaller than the threshold range set by the upper computer program, the cloth supporting cylinder 20 continues to extend downwards, so that the pressure between the cloth and the regulating roller 36 continues to increase; (2) if the pressure detected by the second pressure sensor 63 is greater than the threshold range set by the upper computer program, the cloth feeding motor 8 drives the cloth feeding roller 5 to rotate anticlockwise by a proper angle, cloth is fed from the cloth roll 6, and the pressure between the cloth and the regulating roller 36 is reduced; repeating the steps (1) and (2) until the cloth supporting cylinder 20 extends to a proper position, and the pressure detected by the second pressure sensor 63 is within a set threshold value interval, so that the cloth feeding process is completed.

Embodiment III: the cloth pulling process, as shown in FIG. 11

1) After the cloth feeding process is completed, an automatic cloth spreading program is started on the upper computer, and the two slide seat motors 13 simultaneously rotate to enable the slide seat 12 to move forwards;

2) After the rectangular teeth at the front end of the cloth feeding lower jaw plate 30 are meshed with the rectangular grooves at the rear end of the cloth clamping lower jaw plate 54, the sliding blocks on the two cloth clamping upper sliding tables 57 simultaneously move downwards, so that the cloth clamping upper jaw plate 59 moves downwards and the front end of the cloth is pressed on the upper side of the cloth clamping lower jaw plate 54, and the cloth clamping action is completed;

3) The two slide carriage motors 13 simultaneously and reversely rotate to enable the slide carriage 12 to move backwards at a constant speed, the two swing arm motors 27 simultaneously rotate to enable the cloth sweeping swing arm 29 to swing downwards, the cloth sweeping roller 15 contacts cloth, and the two cloth sweeping motors 17 rotate to enable the cloth sweeping roller 15 to rotate anticlockwise; in the process, the cloth feeding motor 8 drives the cloth feeding roller 5 to rotate anticlockwise at a proper rotating speed according to the moving speed of the sliding seat 12, continuously feeds cloth, and the cloth supporting cylinder 20 adjusts the self expansion and contraction according to the pressure values monitored by the two second pressure sensors 63 in real time, so that the tension born by the cloth in the whole cloth pulling process is balanced and consistent;

4) When the cloth is pulled and paved to a set length, the sliding seat 12 stops moving, the cutting motor 32 rotates to enable the cloth cutter 45 to move from the right end to the left end, in the process, the laser beam emitted by the cloth cutter 45 cuts the cloth to the set length, and then the two swing arm motors 27 simultaneously reversely rotate to enable the cloth sweeping swing arm 29 to swing upwards, and the cloth sweeping roller 15 is separated from contact with the cloth, so that the first layer of cloth is paved; in the cloth pulling process, the deviation correcting system is always in a monitoring and standby state;

5) When laying the second layer of cloth, the cloth feeding upper jaw plate 18 and the cloth feeding lower jaw plate 30 simultaneously move upwards for a certain distance in a mutually clamped state, so that the lower side of the cloth feeding lower jaw plate 30 is kept at a certain distance from the first layer of cloth; then the two slide carriage motors 13 simultaneously rotate to enable the slide carriage 12 to move forwards, meanwhile, the cloth clamping upper jaw plate 59 moves upwards for a certain distance so as to open the cloth clamping device, then the cloth clamping lower jaw plate 54 moves upwards to enable the front end of the first layer of cloth to slide off from the upper side of the cloth clamping lower jaw plate 54, then the cloth clamping lower jaw plate 54 moves downwards, and the lower side of the cloth clamping lower jaw plate presses the front end of the first layer of cloth on the bed 1;

6) Repeating the steps 2) to 5) until the second layer of cloth is paved, and repeating the steps for a plurality of times to finish the paving of the cloth with the preset layer number.

Embodiment four: the correction process is shown in FIG. 2

The correction system mainly comprises two transverse sliding tables 11, a first camera 31, a second camera 53, scale marks and an air station.

After the cloth clamping device clamps the front end of the cloth, the first camera 31 and the second camera 53 can record and transmit the scale data of the edge of the cloth to the upper computer; in the cloth spreading process, two cameras monitor scale data of the edge of the cloth in real time; when the cloth is shifted leftwards, the two transverse sliding tables 11 act simultaneously, so that the frame 3 moves rightwards for proper displacement; when the cloth is shifted rightwards, the two transverse sliding tables 11 simultaneously drive the rack 3 to move leftwards for proper displacement; the whole deviation rectifying process adopts a negative feedback closed loop servo regulation mode; in the process of cloth transverse movement correction, the air station generates positive pressure and properly blows air to the lower side of the cloth through the air holes at the front end of the cloth feeding lower jaw plate 30, and air is used as a lubricant to prevent the lower layer of cloth from being driven to deviate during cloth transverse movement.

Fifth embodiment: laying up the coated cloth as shown in FIG. 2

The air tightness of the coating cloth is higher, and when the coating cloth is paved, air at the lower side of the cloth cannot be discharged in time, so that the problem of air isolation drifting is generated, and the paving quality of the cloth is reduced.

Therefore, in the spreading process of the coating cloth, the air station can generate negative pressure and timely pump out air at the lower side of the cloth through the air holes at the front end of the cloth feeding lower jaw plate 30, so that the problem that the air isolation drift is generated in the coating cloth is avoided.

Claims

1. A cloth spreading machine convenient for cloth feeding, which is characterized by mainly comprising:

the upper computer is internally integrated with an intelligent control system, can automatically control the feeding position, the cloth tensioning force and the laying speed according to the material and the size of the cloth, and can be used for realizing man-machine interaction;

the upper side of the bed is of a rectangular plane structure, and two rows of bed racks and two rows of bed guide rails are longitudinally arranged on the left side and the right side of the bed;

the sliding seat is of a bilateral symmetry structure, is arranged on the upper side of the bed and can move and position back and forth, a flat plate with a lightening hole is arranged on the upper side of the sliding seat, two groups of guide rails and two transverse sliding tables are arranged on the upper side of the flat plate, and two sliding seat vertical frames are vertically arranged on the front sides of the two ends of the sliding seat;

the left side and the right side of the rack are of vertically arranged symmetrical plate-shaped structures, and the rack is arranged on the upper side of the sliding seat and can realize transverse movement and positioning by the two transverse sliding tables; the cloth feeding roller is arranged at the upper end of the frame and is driven to rotate by a cloth feeding motor; the two electric actuators are symmetrically arranged on two sides of the frame respectively, the central lines of the two electric actuators are vertically crossed with the central axis of the cloth feeding roller, the upper end of each electric actuator is connected with one press roller seat through two first pressure sensors, two cloth pressing rollers are rotatably arranged between the two press roller seats, and the two cloth pressing rollers can press cloth on the lower side of the cloth feeding roller, so that the cloth feeding roller is convenient for conveying the cloth; two guide roller sliding tables are vertically arranged at the front ends of two sides of the frame, and the first guide roller can freely rotate and can be lifted and positioned by the two guide roller sliding tables;

The feeding mechanism comprises a feeding large arm and a feeding small arm, the feeding mechanism is symmetrically arranged on the left side and the right side of the frame, the two feeding large arms are arranged on the two sides of the frame and can rotate and position, and the two feeding small arms are arranged at the lower ends of the corresponding feeding large arms and can rotate and position relatively;

the tensioning force adjusting mechanism comprises a cloth supporting electric cylinder, joint bearing rods, inclined pushing electric cylinders and adjusting rollers, wherein the upper ends of the two cloth supporting electric cylinders are respectively rotatably arranged on two sides of a frame, the two inclined pushing electric cylinders are arranged on two sides of the frame and can realize swinging and positioning of the corresponding cloth supporting electric cylinders, the lower ends of the two cloth supporting electric cylinders are respectively provided with one joint bearing rod, and the adjusting rollers are arranged between the two joint bearing rods and can freely rotate;

the cloth clamping mechanism mainly comprises a cloth clamping frame, a cloth clamping lower jaw plate and a cloth clamping upper jaw plate, wherein the cloth clamping frame is fixedly arranged at the front end of the bed, the cloth clamping lower jaw plate is arranged in the cloth clamping frame and can be controlled to lift and position by two cloth clamping lower sliding tables, and the cloth clamping upper jaw plate is arranged at the upper side of the cloth clamping lower jaw plate and can be controlled to lift and position by two cloth clamping upper sliding tables;

the cloth feeding mechanism is arranged on the slide seat stand and can feed the cloth end to the cloth clamping mechanism for clamping.

2. A cloth spreading machine for facilitating cloth feeding according to claim 1, wherein: when the cloth is shifted leftwards, the two transverse sliding tables act simultaneously, so that the rack moves rightwards for proper displacement; when the cloth is shifted rightwards, the two transverse sliding tables simultaneously drive the rack to move leftwards for proper displacement; the whole deviation rectifying process adopts a negative feedback closed loop servo regulation mode.

3. A cloth spreading machine for facilitating cloth feeding according to claim 1, wherein: the lower extreme of material loading forearm is equipped with a hook groove, and the outer end tooth in hook groove is higher than the inner end tooth, is favorable to realizing the material loading of yardage roll firmly.

4. A cloth spreading machine for facilitating cloth feeding according to claim 1, wherein: the cloth feeding roller is of a cylindrical structure, and a layer of rubber material is coated on the outer side of the cloth feeding roller for increasing friction force with cloth.

5. A cloth spreading machine for facilitating cloth feeding according to claim 1, wherein: the lower end of the cloth supporting electric cylinder is connected with the joint bearing rod in series with the second pressure sensor and the rubber pad, the second pressure sensors can monitor the tensioning force of cloth in the cloth spreading process in real time, and the stretching quantity of the corresponding cloth supporting electric cylinder is adjusted by comparing the two pressure values, so that the adjusting roller is always in an accurate horizontal state, the tensioning force at the two ends of the cloth is balanced, and the skew is avoided.

6. A cloth spreading machine for facilitating cloth feeding according to claim 1, wherein: the rear end of the cloth clamping lower jaw plate is provided with 15 rectangular teeth, and rectangular grooves are formed between adjacent rectangular teeth.

7. A cloth spreading machine for facilitating cloth feeding according to claim 1, wherein: the rear end of the upper jaw plate of the cloth clamping device is provided with 15 rectangular teeth, rectangular grooves are formed between adjacent rectangular teeth, and the structures of the rectangular teeth and the rectangular grooves at the rear end of the upper jaw plate of the cloth clamping device correspond to the structures of the rectangular teeth and the rectangular grooves at the rear end of the lower jaw plate of the cloth clamping device one by one.

8. A cloth spreading machine for facilitating cloth feeding according to claim 1, wherein: the lower side of the cloth clamping lower jaw plate is transversely provided with a plurality of stripes, so that stable compaction of the laid cloth is facilitated.

9. A cloth spreading machine for facilitating cloth feeding according to claim 1, wherein: the rear end of the upper side of the cloth clamping upper jaw plate is transversely provided with a row of scale marks, and the scale marks are in one-to-one correspondence with the scale marks on the upper side of the cloth feeding upper jaw plate.

10. A cloth spreading machine for facilitating cloth feeding according to claim 1, wherein: the lower side of the rear end of the upper clamping cloth jaw plate and the upper side of the rear end of the lower clamping cloth jaw plate are respectively provided with inclined well grid patterns, so that friction force between the upper clamping cloth jaw plate and cloth can be effectively increased, and the upper clamping cloth jaw plate and the lower clamping cloth jaw plate are more stable when clamping the cloth.