CN212199808U

CN212199808U - Automatic cloth cutting and connecting machine

Info

Publication number: CN212199808U
Application number: CN202020541581.0U
Authority: CN
Inventors: 汤天文; 汤天宝
Original assignee: Zhejiang Baihua Bubber Belt Co ltd
Current assignee: Zhejiang Baihua Bubber Belt Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-12-22
Anticipated expiration: 2030-04-13

Abstract

The utility model provides an automatic cut out and connect cloth machine belongs to the cloth and cuts out and connect equipment technical field. The cloth that it had solved on the current fabric cutting machine can skid when carrying, can take place crooked or fold scheduling problem when tailorring. The utility model discloses a frame and the preceding conveyor of setting in the frame, back conveyor, fabric cutting mechanism and splicing mechanism, the cloth is sent into fabric cutting mechanism through preceding conveyor and is tailor into the strip, conveyor will tailor the cloth that is good after the rethread and shift out, splicing mechanism is used for bonding the cloth that shifts out and the cloth that last one shifted out head and the tail, the top of conveyer belt all corresponds before every and is equipped with a pinch roller subassembly and is used for compressing tightly the cloth on the conveyer belt in the front, still be equipped with a slope belt pressing mechanism in the frame and be used for fixing the cloth when fabric cutting sword removes. The utility model has the advantages of every group pinch roller can both compress tightly the cloth on the preceding conveyer belt that corresponds, compresses tightly the cloth of tailorring near the position of cutting out the cloth sword through the pressure area piece.

Description

Automatic cloth cutting and connecting machine

Technical Field

The utility model belongs to the technical field of the equipment is cut out to the cloth, a cut out and connect cloth machine automatically is related to.

Background

In the prior art, the production process of the cloth wrapping layer for manufacturing the triangular belt is to dip the cloth, cut the whole piece of cloth after dipping into strips, bond the two strips end to end, wind the bonded strips into a roll, and bond the rolls and the same rolled adhesive tape into the triangular belt. In some factories, cloth is generally cut into strips through a cloth cutting machine, then the cloth is manually butted end to end by workers, then the butted part of the cloth is compressed through a press, the process also needs the workers to manually place the butted part of the cloth on a pressing plate of the press, and then the press is started by a foot switch to compress the two cloth strips.

The production process is low in efficiency, low in automation degree, large in operation difficulty, high in labor intensity of workers, potential safety hazards exist when the two cloth strips are pressed on the press, and dislocation occurs at the joint of the two cloth strips through manual butt joint of the cloth strips, so that the product quality cannot be guaranteed.

Some fabric cutting machines of production on the market at present, the cloth is generally after winding into the book, puts on conveyor and carries to cutting station cutting again, because the cloth is very heavy after winding the book, consequently the phenomenon that can skid appears in the cloth when carrying, causes the cloth width inconsistent that the cutting was come out, because the cloth is very thin, will take place crooked or fold when tailorring and lead to the cloth width of cutting out inhomogeneous, the section department of cloth unevenness very to reduce the quality of product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the cutting process of the wrapping cloth layer of the existing V-belt, and providing an automatic fabric cutting machine which has a belt pressing device to prevent the cloth from slipping when the cloth is conveyed and also has a belt pressing mechanism to prevent the cloth from folding when the cloth is cut.

The purpose of the utility model can be realized by the following technical proposal:

an automatic cloth cutting and receiving machine comprises a machine frame, a front conveying device, a rear conveying device, a cloth cutting mechanism and a belt connecting mechanism, wherein the front conveying device, the rear conveying device, the cloth cutting mechanism and the belt connecting mechanism are arranged on the machine frame, a cutting gap is arranged between the front conveying device and the rear conveying device, a mounting frame is arranged in the cutting gap and fixedly connected with the machine frame, the cloth cutting mechanism is arranged on the mounting frame, cloth is fed into the cloth cutting mechanism through the front conveying device to be cut into strips, the cut cloth strips are moved out through the rear conveying device, the belt connecting mechanism is arranged above the rear conveying device and used for bonding the moved-out cloth strips with the head and the tail of the last moved-out cloth strips, the automatic cloth cutting and receiving machine is characterized in that the front conveying device comprises a plurality of groups of front conveying belts which are arranged in parallel at intervals, a pressing wheel assembly is correspondingly arranged above each front conveying belt and used for pressing cloth on the front conveying belt, the cloth cutting mechanism comprises a cloth cutting, the cloth cutting device is characterized in that an inclined belt pressing mechanism is further arranged on the mounting frame and used for fixing cloth when the cloth cutting knife moves, the inclined belt pressing mechanism comprises a belt pressing piece and a driving mechanism for driving the belt pressing piece to be pressed downwards in an inclined mode, the included angle between the belt pressing piece and the plane of the front conveying belt is 60-85 degrees, the front end of the belt pressing piece is close to the cloth cutting knife, and the rear end of the belt pressing piece inclines outwards to form a moving space used for containing the cloth cutting knife.

In the automatic cloth cutting and receiving machine, an included angle between the cutting direction of the cloth cutting mechanism and the conveying direction of the front conveying device is 30-60 degrees, the conveying direction of the rear conveying device is perpendicular to the cutting direction of the cloth cutting knife, the rear conveying device comprises a plurality of groups of rear conveying belts which are arranged in parallel at intervals, and the interval positions of the rear conveying belts correspond to the interval positions of the front conveying belts.

In the automatic cloth cutting and receiving machine, the pressing wheel assembly comprises a pressing wheel, a fixed seat and an installation piece, the pressing wheel is rotatably arranged on the installation piece through a pressing wheel shaft, the installation piece is rotatably connected with the fixed seat through a rotating shaft, and an elastic piece is further arranged on the installation piece and used for pressing the pressing wheel downwards by taking the rotating shaft as an axis so that the pressing wheel presses cloth on the front conveying belt.

In the automatic cloth cutting and receiving machine, the fixing seat of each pressing wheel assembly is fixedly connected with a U-shaped mounting part, the wheel surface of each pressing wheel is attached to the front conveying belt, the axis of each pressing wheel is perpendicular to the conveying direction, and the pressing wheels can be driven to rotate by friction force when the conveying belts rotate.

In the automatic cloth cutting and receiving machine, the driving mechanisms are symmetrically arranged on the mounting frame, and comprise a belt pressing cylinder, a cylinder body of the belt pressing cylinder is rotatably arranged on the mounting frame through a swinging device, a piston rod of the belt pressing cylinder is rotatably connected with a belt pressing piece, the swinging device comprises a cylinder seat and a U-shaped support, the cylinder seat is fixedly arranged on the mounting frame, the cylinder body of the belt pressing cylinder penetrates through the U-shaped support and is fixedly connected with the U-shaped support, and the cylinder seats are symmetrically arranged on two sides of the U-shaped support and are rotatably connected with the U-shaped support.

In the automatic cloth cutting and joining machine, one side of the upper end surface of the pressing belt piece is turned over to form a turning part perpendicular to the pressing belt piece body, a pressing belt piece fixing seat is fixedly arranged on the turning part, a U-shaped clamping groove is formed in the pressing belt piece fixing seat, an I-shaped joint is arranged on a piston rod of the pressing belt cylinder, the shape of the U-shaped clamping groove is matched with that of the I-shaped joint, and the pressing belt piece is sleeved on the I-shaped joint through the U-shaped clamping groove and is rotatably connected with the I-shaped joint.

In foretell automatic cloth cutting and receiving machine, the hold-in range module include action wheel, follower and hold-in range, action wheel and follower set up respectively at the both ends of mounting bracket, the hold-in range is closed around establishing on action wheel and follower, fixedly on the mounting bracket be provided with a servo motor and the action wheel is connected and is used for driving the hold-in range and rotate, the fixed guide rail that is provided with on the mounting bracket, a slider sliding connection links firmly with the hold-in range through a connecting piece on the guide rail, the fabric cutting sword cut the device through a lift and set up on the slider.

In the above-mentioned automatic cloth cutting and receiving machine, the lift cutting device include the biax cylinder, the cylinder body of biax cylinder links firmly with the slider through an installation piece, the fabric cutting sword link firmly with the piston rod of biax cylinder, an installation draw-in groove has been seted up to the up end of installation piece, the hold-in range sets up in the installation draw-in groove, above-mentioned connecting piece presses on the hold-in range and passes the hold-in range through the fastener and link firmly with the installation draw-in groove.

In the automatic cloth cutting and receiving machine, the mounting frame is further provided with a tensioning mechanism of the synchronous belt, the tensioning mechanism comprises an adjusting seat and an adjusting handle, the adjusting seat and the mounting frame are provided with adjusting long grooves, the driven wheel is internally and rotatably provided with a driven shaft, two ends of the driven shaft are respectively erected in the adjusting long grooves, the adjusting handle is rotatably arranged on the adjusting seat, the driven shaft is provided with a threaded hole, and the adjusting handle penetrates through the threaded hole and is in threaded connection with the threaded hole.

In foretell automatic cutting cloth machine, the tape splicing mechanism include the clamp plate and be used for driving the clamp plate along the lead screw slip table module of bonding direction round trip movement, lead screw slip table module include base, lead screw, with lead screw complex screw-nut and slip table, the lead screw rotates and sets up on the base, fixedly on the base be provided with a motor power and be connected with the lead screw and be used for driving the translation of screw-nut, the lead screw both sides are equipped with a guide rail respectively and link firmly with the base, sliding connection has two sliders on every guide rail, screw-nut and slider link firmly with a slip table, and cloth device setting is inhaled through a lift to above-mentioned clamp plate on the slip table.

In foretell automatic cloth machine of cutting out and connecing, the lift inhale cloth device include the lift cylinder, the cylinder body and the slip table of lift cylinder link firmly, the fixed connecting plate that is equipped with on the piston rod of lift cylinder, the connecting plate on fixed wear to be equipped with an air connector, the one end and the clamp plate of air connector link firmly, the other end passes through the trachea and is connected with a vacuum generator, the clamp plate on seted up one and inhaled the cloth mouth, inhale cloth mouth and air connector, vacuum generator intercommunication.

In foretell automatic cloth machine of cutting out and connecing, the mounting bracket on still be equipped with a pinch roller and push down mounting structure and be used for controlling the lift of pinch roller subassembly, pinch roller pushes down mounting structure totally two sets of symmetries and sets up on the mounting bracket, and it includes lift cam and lifter, and lift cam's foreign steamer face supports and leans on the up end of mounting bracket, and the both ends of a connecting rod pass the axle center of two sets of lift cams respectively and link firmly rather than linking firmly, make two lift cams rotate in step, the one end and the connecting rod of lifter rotate to be connected, and the other end links firmly with above-mentioned U type installed part through a connection piece.

In the automatic cloth cutting and receiving machine, an installation clamping groove is formed in the lifting cam, two ends of the connecting rod respectively extend through the installation clamping groove outwards along the axial direction, a joint bearing is arranged in the installation clamping groove and is rotationally connected with the connecting rod, two rotating grooves are formed in the installation frame and correspond to the installation clamping groove in position, and the lifting rod penetrates through the rotating grooves and is fixedly connected with the joint bearing.

In the automatic cloth cutting and joining machine, a lifting handle is fixedly arranged on the outer side wall of the lifting cam.

In the automatic cloth cutting and joining machine, the lifting cam is shaped like a water drop, and comprises an arc section profile taking the rotation center of the lifting cam as the center of a circle and a cam profile protruding outwards relative to the arc section profile.

In the automatic cloth cutting and receiving machine, the pressing wheel pressing mounting structure further comprises an elastic pressing device, the elastic pressing device comprises a pressing spring and a lifting sleeve, the lifting sleeve is sleeved on the periphery of the lifting rod and is in sliding connection with the lifting rod, the lifting sleeve is fixedly connected with the mounting frame through an angle piece, and the pressing spring is sleeved on the periphery of the lifting rod and is arranged between the angle piece and the connecting piece in a compression mode.

The utility model discloses there is following beneficial effect:

1. when the cloth is conveyed to a cutting station by the front conveying device, each pressing wheel assembly can be independently and elastically pressed, so that each group of pressing wheels can press the cloth on the corresponding front conveying belt, the cloth is prevented from slipping, and the cloth can be flat and free of warping before cutting;

2. when the cloth is cut, the cloth to be cut is pressed at a position close to the cloth cutting knife through the press belt, and then cutting is carried out, so that the cut cloth strip is ensured to be straight, smooth and wrinkle-free at the section, and the quality of the product is improved;

3. through the design of obliquely pressing the belt pressing piece, the lower end of the belt pressing piece can be close to the cloth cutting knife as much as possible to press cloth, and the upper part of the belt pressing piece can be provided with enough space for the cloth cutting knife to move and cut, so that the collision between the cloth cutting knife and the belt pressing piece during high-speed movement is avoided;

4. the pressing wheel pressing down mounting structure can integrally lift and lower the pressing wheel assembly, the pressing wheel assembly can elastically press the cloth on the front conveying belt through the elastic pressing device, and pressing force in the cloth conveying process is more uniform.

Drawings

Fig. 1 is a schematic diagram of the general structure of the front side of the present invention;

FIG. 2 is a schematic view of the overall structure of the back of the present invention;

FIG. 3 is a cross-sectional view of the side of the present invention;

FIG. 4 is a schematic structural diagram of the pinch roller assembly of the present invention;

FIG. 5 is a schematic view of the mounting structure of the pinch roller assembly of the present invention;

FIG. 6 is a schematic view of the pressing wheel pressing installation structure of the present invention;

FIG. 7 is a schematic structural view of the inclined belt pressing mechanism of the present invention;

FIG. 8 is a schematic structural view of the cloth cutting mechanism of the present invention;

fig. 9 is a schematic structural view of the tensioning mechanism of the present invention;

FIG. 10 is a schematic structural view of the belt splicing mechanism of the present invention;

in the figure, 1, a frame; 2. a mounting frame; 3. a pinch roller assembly; 301. a pinch roller; 302. a fixed seat; 303. mounting a sheet; 304. a pinch roller shaft; 305. a rotating shaft; 306. a U-shaped mounting member; 4. a lifting cam; 401. a lifting handle; 402. a lifting rod; 403. a connecting rod; 404. a knuckle bearing; 405. connecting sheets; 406. a corner fitting; 407. a pressure spring; 408. a lifting sleeve; 5. a tape pressing sheet; 501. a belt pressing cylinder; 502. a cylinder block; 503. a U-shaped support; 504. a pressing sheet fixing seat; 505. a type I joint; 6. cutting a cloth knife; 601. a driving wheel; 602. a driven wheel; 603. a synchronous belt; 604. a servo motor; 605. a connecting member; 606. a double-shaft cylinder; 607. mounting blocks; 608. an adjusting seat; 609. an adjusting handle; 610. a driven shaft; 7. pressing a plate; 701. a base; 702. a screw rod; 703. a feed screw nut; 704. a power motor; 705. a sliding table; 706. a lifting cylinder; 707. a connecting plate; 708. a gas joint; 709. an air tube; 8. a front conveyor belt; 9. and (6) conveying the belt.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1 to 3, the utility model comprises a frame 1, a front conveying device, a rear conveying device, a cloth cutting mechanism and a belt connecting mechanism which are arranged on the frame 1, wherein a cutting gap is arranged between the front conveying device and the rear conveying device, a mounting frame 2 is arranged in the cutting gap and is fixedly connected with the frame 1, the cloth cutting mechanism is arranged on the mounting frame 2, cloth is fed into the cloth cutting mechanism through the front conveying device and cut into strips, the cut cloth is moved out through the rear conveying device, the belt connecting mechanism is arranged above the rear conveying device and is used for bonding the moved cloth with the last moved cloth end to end, the included angle between the cutting direction of the cloth cutting mechanism and the conveying direction of the front conveying device is 30 degrees to 60 degrees, the conveying direction of the rear conveying device is mutually vertical to the cutting direction of a cloth cutting knife 6, the rear conveying device comprises a plurality of groups of rear conveying belts 9 which are arranged at parallel intervals, the spacing position of the rear conveyor belt 9 corresponds to the spacing position of the front conveyor belt 8.

As shown in fig. 4, the pressing wheel assembly 3 includes a pressing wheel 301, a fixing seat 302 and a mounting plate 303, the pressing wheel 301 is rotatably disposed on the mounting plate 303 through a pressing wheel shaft 304, the mounting plate 303 is rotatably connected with the fixing seat 302 through a rotating shaft 305, and an elastic member is further disposed on the mounting plate 303 and used for pressing the pressing wheel 301 downwards with the rotating shaft 305 as an axis, so that the pressing wheel 301 presses the cloth on the front conveying belt 8.

As shown in fig. 5, the front conveying device includes a plurality of groups of front conveying belts 8 arranged in parallel at intervals, a pressing wheel assembly 3 is correspondingly arranged above each front conveying belt 8 and used for pressing cloth onto the front conveying belt 8, a fixing seat 302 of each pressing wheel assembly 3 is fixedly connected with a U-shaped mounting part 306, the wheel surface of the pressing wheel 301 is attached to the front conveying belt 8, the axis of the pressing wheel 301 is perpendicular to the conveying direction, and when the conveying belts rotate, the pressing wheel 301 can be driven to rotate by friction force.

As shown in fig. 6, the mounting frame 2 is further provided with a pressing wheel pressing mounting structure for controlling the lifting of the pressing wheel assembly 3, the pressing wheel pressing mounting structure is symmetrically arranged on the mounting frame 2, and comprises two sets of lifting cams 4 and a lifting rod 402, the outer wheel surface of the lifting cam 4 is abutted against the upper end surface of the mounting frame 2, two ends of a connecting rod 403 respectively penetrate through the axes of the two sets of lifting cams 4 and are fixedly connected with the same, so that the two lifting cams 4 synchronously rotate, one end of the lifting rod 402 is rotatably connected with the connecting rod 403, the other end of the lifting rod 402 is fixedly connected with the U-shaped mounting member 306 through a connecting piece 405, a mounting slot is formed in the lifting cam 4, two ends of the connecting rod respectively extend through the mounting slot along the axial direction, a knuckle bearing 404 is arranged in the mounting slot and is rotatably connected with the connecting rod 403, two rotating slots are formed in the mounting frame 2, the lifting rod 402 passes through the rotating groove and is fixedly connected with the knuckle bearing 404.

A lifting handle 401 is fixedly arranged on the outer side wall of the lifting cam 4, the lifting cam 4 is in a water drop shape, and the lifting cam 4 comprises an arc section profile taking the rotation center of the lifting cam as the circle center and a cam profile protruding outwards relative to the arc section profile.

The pinch roller pushes down mounting structure and still includes elasticity closing device, elasticity closing device include pressure spring 407 and lift cover 408, lift cover 408 cover establish the periphery of lifter 402 and rather than sliding connection, lift cover 408 is through a corner fittings 406 and mounting bracket 2 fixed connection, pressure spring 407 cover establish the periphery of lifter 402 and compress the setting between corner fittings 406 and connection piece 405.

Under the effect of pressure spring 407, U type installed part 306 pushes down with each pinch roller assembly 3 installed thereon, lifter 402 pulls down to make the circular arc section profile of lift cam 4 support and lean on the lateral surface of mounting bracket 2, makes the cam profile of lift cam 4 rotate to the lateral surface of mounting bracket 2 through rotating lift handle 401, makes the axle center position of lift cam 4 rise to lift U type installed part 306 and each pinch roller assembly 3 installed thereon through lifter 402.

Only enable U type installed part 306 whole to push down in the front on conveyer belt 8 through elasticity closing device, because installation and machining error, the position of pinch roller 301 all is the diverse on each pinch roller subassembly 3, if pinch roller 301 fixed mounting is on U type installed part 306, pinch roller 301 that the position is low presses preceding conveyer belt 8 back, the pinch roller 301 that the position is high will be unsettled, consequently rotate installation piece 303 and fixing base 302 and be connected, push down the mode of pinch roller 301 through the elastic component, can guarantee that every group pinch roller 301 can both press on preceding conveyer belt 8.

As shown in fig. 7, the mounting frame 2 is further provided with an inclined belt pressing mechanism for fixing the cloth when the cloth cutting knife 6 moves, and the inclined belt pressing mechanism comprises a belt pressing piece 5 and a driving mechanism for driving the belt pressing piece 5 to be pressed obliquely downwards, the driving mechanism is provided with two groups of driving mechanisms symmetrically arranged on the mounting frame 2, an included angle between the belt pressing piece 5 and the plane of the front conveying belt 8 is 60-85 degrees, the front end of the belt pressing piece 5 is close to the cloth cutting knife 6, and the rear end of the belt pressing piece is inclined outwards to form a moving space for accommodating the cutting of the cloth cutting knife 6.

The driving mechanism comprises a belt pressing cylinder 501, a cylinder body of the belt pressing cylinder 501 is rotatably arranged on the mounting frame 2 through a swinging device, a piston rod of the belt pressing cylinder 501 is rotatably connected with the belt pressing sheet 5, the swinging device comprises a cylinder seat 502 and a U-shaped support 503, the cylinder seat 502 is fixedly arranged on the mounting frame 2, the cylinder body of the belt pressing cylinder 501 penetrates through the U-shaped support 503 and is fixedly connected with the U-shaped support 503, and the cylinder seats 502 are symmetrically arranged on two sides of the U-shaped support 503 and are rotatably connected with the U-shaped support 503.

The upper end face of the pressing band piece 5 is turned over to form a turning part perpendicular to the pressing band piece 5 body, a pressing band piece fixing seat 504 is fixedly arranged on the turning part, a U-shaped clamping groove is formed in the pressing band piece fixing seat 504, an I-shaped joint 505 is arranged on a piston rod of the pressing band air cylinder 501, the shape of the U-shaped clamping groove is matched with that of the I-shaped joint 505, and the pressing band piece 5 is sleeved on the I-shaped joint 505 through the U-shaped clamping groove and is connected with the I-shaped joint in a rotating mode.

As shown in fig. 8, fabric cutting mechanism includes cloth cutter 6 and is used for driving cloth cutter 6 along the hold-in range module of tailorring the direction round trip movement, the hold-in range module include action wheel 601, follower 602 and hold-in range 603, action wheel 601 and follower 602 divide and establish at the both ends of mounting bracket 2, hold-in range 603 is closed around establishing on action wheel 601 and follower 602, and the fixed servo motor 604 that is provided with on mounting bracket 2 is connected with action wheel 601 and is used for driving hold-in range 603 and rotate, the fixed guide rail that is provided with on mounting bracket 2, a slider sliding connection is on the guide rail, and the slider links firmly with hold-in range 603 through a connecting piece 605, cloth cutter 6 set up on the slider through a lift cutting device.

The lifting cutting device comprises a double-shaft cylinder 606, a cylinder body of the double-shaft cylinder 606 is fixedly connected with a sliding block through a mounting block 607, a cloth cutting knife 6 is fixedly connected with a piston rod of the double-shaft cylinder 606, a mounting clamping groove is formed in the upper end face of the mounting block 607, a synchronous belt 603 is arranged in the mounting clamping groove, and the connecting piece 605 is pressed on the synchronous belt 603 and penetrates through the synchronous belt 603 through a fastener to be fixedly connected with the mounting clamping groove.

As shown in fig. 9, the mounting bracket 2 is further provided with a tensioning mechanism of a synchronous belt 603, which includes an adjusting seat 608 and an adjusting handle 609, the adjusting seat 608 and the mounting bracket 2 are provided with an adjusting elongated slot, a driven shaft 610 is rotatably provided in the driven wheel 602, two ends of the driven shaft 610 are respectively mounted in the adjusting elongated slot, the adjusting handle 609 is rotatably provided on the adjusting seat 608, the driven shaft 610 is provided with a threaded hole, and the adjusting handle 609 penetrates through the threaded hole and is in threaded connection with the threaded hole.

Due to the tension force of the synchronous belt 603, the handle part of the adjusting handle 609 abuts against the mounting block 607, and the driven shaft 610 moves axially along the adjusting handle 609 by rotating the adjusting handle 609, so that the tension adjustment of the synchronous belt 603 is realized.

As shown in fig. 10, the tape splicing mechanism includes a pressing plate 7 and a screw nut 703 and sliding table 705 module for driving the pressing plate 7 to move back and forth along the bonding direction, the screw nut 703 and sliding table 705 module includes a base 701, a screw nut 703 matched with the screw nut 703, and a sliding table 705, the screw nut 703 is rotatably disposed on the base 701, a power motor 704 is fixedly disposed on the base 701 and connected with the screw nut 703 for driving the screw nut 703 to translate, two sides of the screw nut 703 are respectively provided with a guide rail fixedly connected with the base 701, each guide rail is slidably connected with two sliding blocks, the screw nut 703 and the sliding block are fixedly connected with the sliding table 705, and the pressing plate 7 is disposed on the sliding table 705 through a lifting cloth suction device.

The lifting cloth suction device comprises a lifting air cylinder 706, a cylinder body of the lifting air cylinder 706 is fixedly connected with the sliding table 705, a connecting plate 707 is fixedly arranged on a piston rod of the lifting air cylinder 706, an air joint 708 is fixedly arranged on the connecting plate 707 in a penetrating mode, one end of the air joint 708 is fixedly connected with the pressing plate 7, the other end of the air joint 708 is connected with a vacuum generator through an air pipe 709, a cloth suction port is formed in the pressing plate 7, and the cloth suction port is communicated with the air joint 708 and the vacuum generator.

The working steps of the utility model are as follows;

1. one end of cloth to be cut is laid on the front conveying belt 8, when the cloth is conveyed to the position below the pressing wheel assembly 3, the pressing wheel 301 can press the fed cloth on the front conveying belt 8, the phenomenon that the cloth slips on the front conveying belt 8 due to the fact that the rear part of the cloth is too heavy is prevented, and automatic feeding is achieved;

2. when a photoelectric switch arranged at the fabric cutting mechanism senses that the fabric is fed, the front conveying belt 8 stops rotating, the front end part of the fabric stays on the rear conveying belt 9, a piston rod of the belt pressing cylinder 501 extends outwards, and the belt pressing piece 5 is pushed to be obliquely pressed on the fabric;

3. a piston rod of the double-shaft cylinder 606 extends downwards to drive the cloth cutting knife 6 to extend downwards, at the moment, the servo motor 604 drives the synchronous belt 603 to rotate, so that the cloth cutting knife 6 arranged on the synchronous belt 603 is driven to translate towards the other side, and at the moment, the cloth is cut into a cloth strip by the cloth cutting knife 6;

4. after cutting, the rear conveyer belt 9 starts to rotate, the cut cloth strips are moved outwards, meanwhile, the piston rod of the belt pressing cylinder 501 retracts inwards to lift the belt pressing piece 5, at the moment, the front conveyer belt 8 continuously forwards the cloth to a cutting station, namely the width distance of one cloth strip, and the belt pressing piece 5 is pressed downwards again to perform secondary cutting;

5. when a photoelectric switch arranged at the belt splicing mechanism senses the cut cloth strips, a piston rod of a lifting cylinder 706 extends outwards to drive a pressing plate 7 to press down and press the front end of the cloth strips, at the moment, a vacuum generator is electrified to enable a cloth suction port on the pressing plate 7 to suck air so that the cloth strips are adsorbed on the pressing plate 7, at the moment, the piston rod of the lifting cylinder 706 retracts inwards to drive the pressing plate 7 to lift up, then a power motor 704 drives a screw nut 703 to rotate to drive a sliding table 705 fixedly connected with the screw nut 703 to move, so that the pressing plate 7 arranged on the sliding table 705 drives the front ends of the cloth strips to translate forwards again, the front ends of the cloth strips correspond to the rear end of the last cut cloth strips, at the moment, the piston rod of the lifting cylinder 706 extends outwards to drive the pressing plate 7 to press the two cloth strips, at the moment, the vacuum generator is powered off, and the two cloth strips are connected end to end by end to;

6. one side of the automatic cloth cutting and receiving machine is further provided with a belt winding machine for winding the bonded cloth strips into a roll, after the bonding action is completed, a roller on the belt winding machine starts to rotate, the bonded cloth strips are moved out, when the bonded cloth strips move to the position where the tail ends of the bonded cloth strips can be adhered to the next cut cloth strips correspondingly, the roller stops rotating, the cloth strips stop at the position, and bonding is performed after the next cloth strip is cut and moved out.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An automatic cloth cutting and receiving machine comprises a machine frame (1), and a front conveying device, a rear conveying device, a cloth cutting mechanism and a belt receiving mechanism which are arranged on the machine frame (1), wherein a cutting gap is arranged between the front conveying device and the rear conveying device, a mounting frame (2) is arranged in the cutting gap and fixedly connected with the machine frame (1), the cloth cutting mechanism is arranged on the mounting frame (2), cloth is fed into the cloth cutting mechanism through the front conveying device and cut into strips, the cut cloth strips are moved out through the rear conveying device, the belt receiving mechanism is arranged above the rear conveying device and used for bonding the moved cloth strips with the head and the tail of the last moved cloth strips, the automatic cloth cutting and receiving machine is characterized in that the front conveying device comprises a plurality of groups of front conveying belts (8) which are arranged in parallel at intervals, a pressing wheel assembly (3) is correspondingly arranged above each front conveying belt (8) and used for pressing cloth on the front conveying belts (8), cut out cloth mechanism including cutting out cloth sword (6) and be used for the drive to cut out the hold-in range module that cloth sword (6) come and go along cutting out the direction, still be equipped with an slope press belt mechanism on above-mentioned mounting bracket (2) and be used for fixing the cloth when cut out cloth sword (6) removes, it includes press belt piece (5) and drive press belt piece (5) slope actuating mechanism who pushes down, press belt piece (5) be 60-85 with preceding conveyer belt (8) planar contained angle, the front end of press belt piece (5) is close to cuts out cloth sword (6), its rear end leans out the formation and is used for holding the removal space that cuts out cloth sword (6).

2. An automatic cloth cutting and receiving machine according to claim 1, characterized in that the cutting direction of the cloth cutting mechanism and the conveying direction of the front conveying device form an angle of 30-60 degrees, the conveying direction of the rear conveying device and the cutting direction of the cloth cutting knife (6) are perpendicular to each other, the rear conveying device comprises a plurality of groups of rear conveying belts (9) which are arranged in parallel at intervals, and the intervals of the rear conveying belts (9) correspond to the intervals of the front conveying belts (8).

3. An automatic cloth cutting and splicing machine according to claim 1, wherein the pressing wheel assembly (3) comprises a pressing wheel (301), a fixed seat (302) and a mounting plate (303), the pressing wheel (301) is rotatably arranged on the mounting plate (303) through a pressing wheel shaft (304), the installation sheet (303) is rotationally connected with the fixed seats (302) through a rotating shaft (305), an elastic piece is further arranged on the installation sheet (303) and used for pressing the pressing wheel (301) downwards by taking the rotating shaft (305) as an axis, so that the pressing wheel (301) presses cloth on the front conveying belt (8), the fixed seats (302) of the pressing wheel assemblies (3) are fixedly connected with a U-shaped installation piece (306), the wheel surface of the pressing wheel (301) is attached to the front conveying belt (8), the axis of the pressing wheel (301) is perpendicular to the conveying direction, and the pressing wheel (301) can be driven to rotate by friction force when the conveying belt rotates.

4. An automatic cloth cutting and splicing machine according to claim 3, characterized in that the driving mechanisms are symmetrically arranged on the mounting frame (2) in two groups, the driving mechanisms comprise belt pressing cylinders (501), the cylinder bodies of the belt pressing cylinders (501) are rotatably arranged on the mounting frame (2) through a swinging device, the piston rods of the belt pressing cylinders (501) are rotatably connected with the belt pressing sheets (5), the swinging device comprises cylinder seats (502) and U-shaped supports (503), the cylinder seats (502) are fixedly arranged on the mounting frame (2), the cylinder bodies of the belt pressing cylinders (501) penetrate through the U-shaped supports (503) and are fixedly connected with the U-shaped supports, and the cylinder seats (502) are symmetrically arranged on two sides of the U-shaped supports (503) and are rotatably connected with the U-shaped supports (503).

5. The automatic cloth cutting and splicing machine according to claim 4, wherein the upper end face of the pressing strip piece (5) is folded at one side to form a folding part perpendicular to the body of the pressing strip piece (5), a pressing strip fixing seat (504) is fixedly arranged on the folding part, a U-shaped clamping groove is formed in the pressing strip fixing seat (504), an I-shaped joint (505) is arranged on a piston rod of the pressing strip cylinder (501), the shape of the U-shaped clamping groove is matched with that of the I-shaped joint (505), and the pressing strip piece (5) is sleeved on the I-shaped joint (505) through the U-shaped clamping groove and is rotatably connected with the I-shaped joint.

6. An automatic cloth cutting and receiving machine according to claim 1, wherein the synchronous belt module comprises a driving wheel (601), a driven wheel (602) and a synchronous belt (603), the driving wheel (601) and the driven wheel (602) are respectively arranged at two ends of the mounting frame (2), the synchronous belt (603) is wound on the driving wheel (601) and the driven wheel (602) in a closed manner, a servo motor (604) is fixedly arranged on the mounting frame (2) and connected with the driving wheel (601) for driving the synchronous belt (603) to rotate, a guide rail is fixedly arranged on the mounting frame (2), a sliding block is connected on the guide rail in a sliding manner, the sliding block is fixedly connected with the synchronous belt (603) through a connecting piece (605), and the cloth cutting knife (6) is arranged on the sliding block through a lifting and cutting device.

7. The automatic cloth cutting and splicing machine according to claim 1, wherein the tape splicing mechanism comprises a pressing plate (7) and a screw nut (703) and sliding table (705) module used for driving the pressing plate (7) to move back and forth along the bonding direction, the screw nut (703) and sliding table (705) module comprises a base (701), a screw nut (703) matched with the screw nut (703) and a sliding table (705), the screw nut (703) is rotatably arranged on the base (701), a power motor (704) fixedly arranged on the base (701) is connected with the screw nut (703) for driving the screw nut (703) to translate, two sides of the screw nut (703) are respectively provided with a guide rail fixedly connected with the base (701), each guide rail is slidably connected with two sliding blocks, the screw nut (703) nut and the sliding block are fixedly connected with the sliding table (705), the pressing plate (7) is arranged on the sliding table (705) through a lifting cloth suction device.

8. The automatic cloth cutting and collecting machine according to claim 7, wherein the lifting cloth suction device comprises a lifting cylinder (706), a cylinder body of the lifting cylinder (706) is fixedly connected with the sliding table (705), a connecting plate (707) is fixedly arranged on a piston rod of the lifting cylinder (706), an air connector (708) is fixedly arranged on the connecting plate (707) in a penetrating mode, one end of the air connector (708) is fixedly connected with the pressing plate (7), the other end of the air connector is connected with a vacuum generator through an air pipe (709), a cloth suction port is formed in the pressing plate (7), and the cloth suction port is communicated with the air connector (708) and the vacuum generator.

9. An automatic cloth cutting and receiving machine according to claim 3, characterized in that the mounting frame (2) is further provided with a pinch roller press-down mounting structure for controlling the lifting of the pinch roller assembly (3), the pinch roller press-down mounting structure comprises two sets of symmetrical mounting structures arranged on the mounting frame (2) and comprises lifting cams (4) and lifting rods (402), the outer wheel surface of the lifting cams (4) is abutted against the upper end surface of the mounting frame (2), two ends of a connecting rod (403) respectively penetrate through the axle centers of the two sets of lifting cams (4) and are fixedly connected with the axle centers of the two sets of lifting cams (4) so that the two lifting cams (4) synchronously rotate, one end of each lifting rod (402) is rotatably connected with the connecting rod (402), the other end of each lifting rod is fixedly connected with the U-shaped mounting member (306) through a connecting piece (405), the lifting cams (4) are internally provided with a mounting slot, and two ends of each connecting rod (403) respectively extend outwards along the axial, a joint bearing (404) is arranged in the mounting clamping groove and is rotationally connected with the connecting rod (403), two rotating grooves are formed in the mounting rack (2) and correspond to the mounting clamping groove in position, and the lifting rod (402) penetrates through the rotating grooves and is fixedly connected with the joint bearing (404).

10. The automatic cloth cutting and splicing machine according to claim 9, wherein the pressing wheel pressing and mounting structure further comprises an elastic pressing device, the elastic pressing device comprises a pressing spring (407) and a lifting sleeve (408), the lifting sleeve (408) is sleeved on the outer periphery of the lifting rod (402) and is slidably connected with the lifting rod, the lifting sleeve (408) is fixedly connected with the mounting frame (2) through a corner piece (406), and the pressing spring (407) is sleeved on the outer periphery of the lifting rod (402) and is arranged between the corner piece (406) and the connecting piece (405) in a compression mode.