CN113005755B

CN113005755B - Cloth cutting system of cloth spreading machine

Info

Publication number: CN113005755B
Application number: CN202110237383.4A
Authority: CN
Inventors: 桑渭成
Original assignee: Zhejiang Jinglima Intelligent Machinery Co ltd
Current assignee: Zhejiang Jinglima Intelligent Machinery Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2022-07-22
Anticipated expiration: 2041-03-04
Also published as: CN113005755A

Abstract

The utility model relates to a cropping system of granny rag machine relates to the field of granny rag machine, include the frame of motion on shop's cloth platform, adjustable installation has the cropping frame in the frame, the length direction of cropping frame with the angle modulation that the direction of motion of frame formed, install the cropping subassembly that is used for the cropping on the cropping frame, still be provided with the solid cloth device that is used for fixed cloth at shop's cloth platform. This application has the effect that the cloth utilization ratio is high.

Description

Cloth cutting system of cloth spreading machine

Technical Field

The application relates to the field of spreading machines, in particular to a cloth cutting system of a spreading machine.

Background

Along with the development of society, the material demand of people is increasing day by day, and the demand and the quality of people to the clothes also are increasing day by day, and the production efficiency and the quality of cloth producer are one of the important links that influence clothes, case and bag surface fabric, outdoor products surface fabric production efficiency and quality. At present, in the industry is tailor to the cloth, often will be according to the needs of production, before tailorring the cloth, generally need utilize the granny rag machine earlier, lay the cloth of lapping on spreading the cloth platform, and the granny rag machine is reciprocating motion on spreading the cloth platform, can decide after laying at every turn, so can be spread into the multilayer with the cloth of lapping to carry out subsequent work of tailorring.

The device of tailorring of granny rag machine is generally including installing the guide rail in the granny rag machine frame at present, the length direction of guide rail is the same with the broadside direction of cloth, then slide on the guide rail and set up the seat that slides, fixed cutting machine on the seat that slides, it sets up the synchronizing wheel still to rotate simultaneously at guide rail length direction's both ends, the hold-in range is established to the cover on two synchronizing wheels, and hold-in range and the seat fixed connection that slides, it sets up the motor still to fix on the guide rail, the output shaft and the coaxial fixed of arbitrary synchronizing wheel of motor, make the motor can drive the synchronizing wheel and rotate, the synchronizing wheel rotates and drives the hold-in range motion, the seat that slides, cutting machine and hold-in range synchronous motion, make the cutting machine follow the guide rail motion, thereby realize deciding the mesh with the cloth.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in cutting out surface fabrics such as case and bag, outdoor articles for use, tent, because the shape of these surface fabrics is many all to take the hypotenuse, consequently tailor at every turn and all can cut out the oblique angle piece at every aspect material both ends, lead to every layer both ends can be extravagant for the extravagant volume of a pile of cloth of laying is more, and the utilization ratio of surface fabric is lower, and surface fabric wasting of resources is serious, has increased the cost.

Disclosure of Invention

In order to solve the problems of low fabric utilization rate and serious waste, the application provides a cloth cutting system of a cloth spreading machine.

The cloth cutting system of the cloth spreading machine adopts the following technical scheme:

the utility model provides a cloth cutting system of granny rag machine, includes the frame of motion on spreading the cloth platform which characterized in that: the adjustable cloth cutting frame that installs in the frame, the cloth cutting frame level rotates to be installed in the frame, install the cloth cutting subassembly that is used for cutting the cloth on the cloth cutting frame, still be provided with the solid cloth device that is used for fixed cloth at the shop cloth platform.

Through adopting above-mentioned technical scheme, the angle of cloth cutting frame can be adjusted according to the demand of cloth, the cloth cutting subassembly carries out the cloth cutting to the cloth after the adjustment, realize the purpose of tailorring the demand to the cloth according to tailorring, then the cloth is fixed to solid cloth device, the frame is spreading the cloth again, through tailorring to the different angles of cloth, thereby can save down the cloth that every layer cloth both ends were wasted, the utilization ratio of cloth has been improved greatly, the cost is reduced, the problem of the urgent need of going to solve on the present market of tailorring has been solved.

Optionally, the rack-mounted has the support, the support slides along the shop cloth direction on spreading the cloth platform, the cloth cutting frame one end is rotated and is installed in the frame, the cloth cutting frame other end is slided and is installed on the support, just the cloth cutting frame can with the support rotates relatively, be provided with on the cloth cutting frame with leg joint's locking Assembly.

By adopting the technical scheme, when the angle of the cloth cutting frame needs to be adjusted, the position of the cloth cutting frame on the support is adjusted until the angle is the same as the required angle, and then the positions of the fixing support and the cloth cutting frame of the locking assembly are locked, so that the adjustment of the cloth cutting frame is completed.

Optionally, be provided with the crane of liftable in the frame, cut the cloth frame with the frame rotates to be connected one end and rotates to be installed on the crane, the support includes that support, the one end that slides on spreading the cloth platform is connected just other end liftable is installed on the crane tie-beam on the support, cut the cloth frame and keep away from crane one end is rotated through a regulating block and is slided and connect on the tie-beam, just the crane with the tie-beam is in support one end is gone up and down in step.

Through adopting above-mentioned technical scheme, because along with laying of cloth, thickness can increase, consequently, at the in-process of shop cloth, the cloth cutting frame can go up and down along with the lift of crane, and tie-beam one end goes up and down with the crane together, and the tie-beam other end goes up and down on the support, and both go up and down in step to satisfy the demand that thickness was spread high.

Optionally, the frame lower extreme is connected with the floor, the height of crossing the floor is less than the height of cropping subassembly, the extension board is installed to the cropping frame, the extension board is located the below of cropping subassembly, just the extension board is in slide on the floor, just the plane at extension board place is less than cross the plane at floor place, the cloth follow in proper order the frame cross the floor the extension board falls to on the shop's cloth platform.

Through adopting above-mentioned technical scheme, when cutting the cloth holder and adjusting, the distance of cutting the cloth holder and frame can increase, and the cloth cutting assembly also can move together, and when increasing too big, the cloth just directly falls on the shop cloth platform, leads to the unable better cloth cutting of cloth cutting assembly, may cut the cloth of below, leads to damaging. Through the setting of crossing the cloth board and extending plate, make from the cloth that the frame falls on the cloth board of falling earlier, move on the extending plate again, fall on the shop's cloth platform again, and extending plate one end is being drawn and is moving together with the cloth cutting assembly to the cloth that makes the cloth when falling has the interval with the below, thereby can make the cloth cutting assembly not cause the influence to the cloth of below when the cloth is cut, thereby improved the quality of cloth cutting and the adaptation of adjusting the cloth cutting frame.

Optionally, the cloth fixing device comprises an installation frame slidably installed on the cloth paving platform, a push-pull assembly installed on the cloth paving platform and connected with the installation frame, and a cloth pulling mechanism installed on the installation frame and used for pulling the cloth.

By adopting the technical scheme, when the frame moves to one end of the cloth laying platform, the push-pull assembly drives the mounting frame to slide to be close to cloth, the cloth pulling mechanism and the mounting frame move synchronously, then the cloth is clamped, the end of the cloth is fixed, the frame can move in the other direction, and the cloth is always clamped by the cloth pulling mechanism in the process that the frame moves in the other direction; after the cloth is paved, the cloth pulling mechanism releases the cloth, and the push-pull assembly drives the mounting frame to return to the original position for next cloth clamping.

Optionally, a fixing frame is horizontally and rotatably installed on the mounting frame, the cloth spreading mechanism is installed on the fixing frame, and the fixing frame is fixedly connected with the mounting frame through a fixing assembly.

Through adopting above-mentioned technical scheme, the setting up of mount makes the angle of granny rag mechanism adjustable to the adjustment of cooperation cloth cutting frame, thereby need not to be certain angle with the cloth, improved the centre gripping effect to the cloth.

Optionally, the cloth spreading mechanism includes a rotating frame rotatably mounted on the fixed frame, a plurality of clamping members mounted on the rotating frame and used for clamping cloth, and a lifting assembly mounted on the fixed frame and connected to the rotating frame.

Through adopting above-mentioned technical scheme, when needs granny rag, the hoisting subassembly drives the rotating turret and rotates, and the rotating turret rotates and drives the holder and rise to can satisfy the demand of the required centre gripping cloth of different shop's cloth thickness. Meanwhile, compared with the existing method of pressing cloth by a pressure plate, one reason is that the angle needs to be adjusted, the pressure plate cannot be pulled up by the cloth pressing plate in a manner of lifting the pressure plate by a conventional frame, and the structure is difficult to design; on the other hand, if the cloth is laid thickly, each layer of cloth is loose, so that the cloth can be pressed to be very low at the pressure plate and is higher at the place where the cloth is not pressed, the difference between the two is large, the upper layer of cloth can swing downwards when being pressed, and once the difference is too large, the cloth is separated from the pressure plate, and the cloth pressing effect is lost. Through lifting assembly promotion rotating turret for the height of holder can be followed the cloth and piled up high lift, thereby can carry out the centre gripping to the cloth all the time.

Optionally, the rotating frame comprises two rotating rod groups respectively installed at two ends of the fixed frame in the length direction, and a connecting rod for connecting the two rotating rod groups, and the clamping piece is installed on the connecting rod;

the rotating rod group comprises a sliding block, a first rod, a second rod and connecting plates, wherein the sliding block is slidably mounted on the fixing frame, one end of the first rod is rotatably mounted on the sliding block, one end of the second rod is rotatably mounted on the sliding block, the connecting plates are mounted at the other end of the first rod and the other end of the second rod, the rotating connecting points at the two ends of the first rod and the rotating connecting points at the two ends of the second rod are sequentially connected to form a parallelogram, the length of the connecting plate in one rotating rod group is greater than that of the connecting plate in the other rotating rod group, the lifting assembly is connected with the longer connecting plate, and the two ends of the connecting rod are respectively connected to the two connecting plates;

the fixing frame is provided with a path hole, the first rod or the second rod is provided with a path block moving along the path hole, and when the first rod and the second rod rotate, the path block moves along the path hole and enables the clamping piece to vertically lift at the same horizontal position.

Through adopting above-mentioned technical scheme, when needs compress, the promotion subassembly mentions longer connecting plate, and shorter connecting plate is lifted up under the linkage of connecting rod, and meanwhile, the one end of keeping away from the slider when the connecting plate is lifted up of first pole and second pole also is pulled up, and the path piece moves along the path hole, and the slider slides on the mount to keep connecting the vertical lift at same horizontal position. And the length of the connecting plate is set to be different, so that the rotating angle of the fixing frame can be reduced compared with the same length, the swing amplitude of the connecting rod is reduced, the rotating efficiency is improved, the rotating space is saved, and the space utilization rate is improved. The lifting assembly is only connected to the longer connecting plate, and the two connecting plates are not required to be pulled together, so that accessories are saved.

Optionally, the lifting assembly comprises a lifting motor mounted on the fixing frame, a plurality of pulleys mounted on the fixing frame, and a rope, one end of which is connected to the longer connecting plate, and the other end of which is connected to an output shaft of the lifting motor, wherein the rope bypasses the pulleys.

Through adopting above-mentioned technical scheme, when needs lift, the promotion motor starts, and the rolling rope, rope pulling connecting plate promote to realize the promotion of holder.

Optionally, a fixed seat is arranged on the cloth spreading platform, a slide rail is arranged on the fixed seat, and the mounting frame is slidably arranged on the slide rail; the push-pull assembly comprises a first air cylinder or a hydraulic cylinder which is rotatably installed on the fixed seat, and a piston rod of the first air cylinder or the hydraulic cylinder is in universal connection with the mounting rack.

By adopting the technical scheme, when the mounting frame needs to be pushed, the piston rod of the air cylinder or the hydraulic cylinder pushes the mounting frame to move along the sliding rail, so that the purpose of pushing the mounting frame to move is achieved. The piston rod of the air cylinder or the hydraulic cylinder is connected with the mounting frame in a universal way so as to adapt to the requirement of relative angle change of the air cylinder or the hydraulic cylinder and the mounting frame.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cloth that each layer of cloth both ends were wasted is saved down, has improved the utilization ratio of cloth, and the cost is reduced has solved and has tailor the problem that the urgent need was solved in the market at present.

2. The arrangement of the cloth passing plate and the extending plate enables the cloth to be spaced from the cloth below when falling down, so that the cloth cutting assembly does not affect the cloth below when cutting the cloth, and the quality of the cut cloth and the adaptation to the adjustment of the cloth cutting frame are improved.

3. The rotating frame is lifted through the lifting assembly, so that the height of the clamping piece can be lifted along with the stacking height of the cloth, and the cloth can be clamped all the time.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present application.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a schematic diagram of a three-dimensional structure of the present application.

Fig. 4 is an enlarged schematic view of a portion B of fig. 3.

Fig. 5 is an enlarged schematic view of the portion C of fig. 1.

Fig. 6 is an enlarged schematic view of a portion D of fig. 3.

Fig. 7 is a top view of the present application.

Fig. 8 is an enlarged schematic view of a portion E of fig. 1.

Fig. 9 is an enlarged schematic view of portion F of fig. 1.

Fig. 10 is a schematic view of the perspective structure of the present application in which the clamp is mounted on the connecting rod.

Reference numerals are as follows: 1. a frame; 11. a body; 12. a traction roller; 13. a traction motor; 14. a roller; 2. laying a cloth platform; 3. a lifting frame; 31. a first drive assembly; 312. a first gear; 313. a first rack; 32. a first rotating shaft; 33. a support; 331. a support; 332. a connecting beam; 34. a second drive assembly; 341. a second motor; 342. a slider; 343. a screw; 344. a slideway; 35. cutting the cloth; 351. a first track; 352. a second track; 353. a limiting block; 354. a toothless plate; 36. an adjusting block; 361. a first connection block; 362. a second connecting block; 37. a locking assembly; 371. a locking plate; 372. a locking bolt; 382. a mounting base; 383. cutting a cloth machine; 384. a cloth cutting motor; 385. a synchronizing wheel; 386. a synchronous belt; 391. a cloth passing frame; 392. passing a cloth plate; 393. an extension plate; 42. a fixed seat; 43. a slide rail; 44. a first cylinder; 5. a mounting frame; 51. a fixed mount; 511. a sliding hole; 512. a path hole; 513. a path block; 52. an arc hole; 53. a fixing component; 531. fixing the bolt; 532. fixing a nut; 54. a rolling bearing; 551. a sliding block; 552. a first lever; 553. a second lever; 554. a connecting plate; 555. a connecting rod; 556. a sliding bearing; 557. a cross beam; 558. mounting a sheet; 56. a lifting assembly; 561. a hoisting motor; 562. a pulley; 563. a rope; 564. rolling up the sleeve; 565. a round bar; 57. a clamping member; 571. a first clip piece; 572. a second clip; 573. a second cylinder; 574. a link rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

A cloth spreading machine comprises a machine body 11 and a cloth spreading platform 2, wherein the machine body 11 moves on the cloth spreading platform 2, a cloth roll is placed on the machine body 11, a traction roller 12 driven by a traction motor 13 is arranged on the machine body 11, and the traction roller 12 pulls out cloth and conveys the cloth to the cloth spreading platform 2. The machine body 11 is further provided with a roller 14 driven by a motion motor (not shown in the figure), and the motion motor drives the roller 14 to move on the cloth laying platform 2, so that the machine body 11 can move back and forth on the cloth laying platform 2 to lay cloth.

The embodiment of the application discloses a cloth cutting system of a cloth spreading machine.

Referring to fig. 1, the cloth cutting system comprises a frame 1, wherein the frame 1 is integrally fixed on a machine body 11 and moves on a cloth spreading platform 2 together with the machine body 11.

Referring to fig. 2, the crane 3 is installed to frame 1, and frame 1 is fixed to be provided with and is vertical slide rail 43, and the crane 3 slides and installs on slide rail 43, and frame 1 is provided with the first drive assembly 31 that the drive crane 3 slided.

Referring to fig. 2, the first driving assembly 31 includes a first motor (not shown), a first gear 312 and a first rack 313, the first motor is fixed on the crane 3, the crane 3 is rotatably installed with a first rotating shaft 32 through a bearing, the first gear 312 is coaxially and fixedly installed on the first rotating shaft 32, and the first rotating shaft 32 is connected with an output shaft of the first motor through a chain transmission; the first rack 313 is fixed on the frame 1, the length direction of the first rack 313 is parallel to the length direction of the slide rail 43, and the first rack 313 is engaged with the first gear 312. The first motor drives the first rotating shaft 32 to rotate, the first gear 312 and the first rotating shaft 32 rotate synchronously, and the first gear 312 and the first rack 313 are meshed with each other to enable the first gear 312 and the first rack 313 to move relatively in the vertical direction, so that the lifting frame 3 is lifted on the rack 1.

Referring to fig. 3, the lifting frame 3 is connected with the support 33, the support 33 includes a support 331 and a connection beam 332, the support 331 rolls and slides on the cloth spreading platform 2, one end of the connection beam 332 is fixed on the lifting frame 3, the other end of the connection beam 332 is connected on the support 331, and the support 331 is provided with a second driving assembly 34 which drives the connection beam 332 to move along the height direction of the support 331.

Referring to fig. 4, the second driving assembly 34 includes a second motor 341, a slider 342 and a screw 343, the second motor 341 is fixedly installed on the top of the support 331, the axis of the output shaft of the second motor 341 is parallel to the lifting direction of the lifting frame 3, and the first motor is electrically connected with the second motor 341; the support 331 is provided with a slide rail 344 along a direction parallel to the slide rail 43, the slide block 342 is slidably mounted on the slide rail 344, and the connecting beam 332 is connected to the slide block 342; the screw 343 is rotatably mounted on the support 331 and located below the second motor 341, the upper end of the screw 343 is connected with the output shaft of the second motor 341 through a coupler, and the screw 343 is in threaded fit with the slider 342. The second motor 341 rotates to drive the screw 343 to rotate, the screw 343 rotates to drive the slider 342 to slide along the slideway 344, and the first motor and the second motor 341 realize synchronous motion through electric connection, so that the lifting speed of the first motor driving the lifting frame 3 is equal to the lifting speed of the second motor 341 driving the slider 342, and the connecting beam 332 is lifted horizontally.

Referring to fig. 3, the lifting frame 3 is further connected with a cloth cutting frame 35, one end of the cloth cutting frame 35 is horizontally and rotatably installed on the lifting frame 3 and is connected to one end, far away from the connecting beam 332, of the lifting frame 3, the other end of the cloth cutting frame 35 is connected to the connecting beam 332 through a regulating block 36, and the regulating block 36 is locked to the connecting beam 332 or the position of the cloth cutting frame 35 through a locking assembly 37.

Referring to fig. 5, a first rail 351 is fixed on the upper surface of the cloth cutting frame 35 along the length direction, a second rail 352 is fixed on the side wall of the connecting beam 332 along the cloth spreading direction, the adjusting block 36 includes a first connecting block 361 and a second connecting block 362, the first connecting block 361 slides on the first rail 351, the second connecting block 362 is rotatably installed on the first connecting block 361, and the second connecting block 362 slides on the second rail 352, that is, the first connecting block 361 and the second connecting block 362 can rotate relatively, and the locking assembly 37 is installed on the second connecting block 362.

Referring to fig. 6, the locking assembly 37 includes a locking plate 371 and a locking bolt 372, the locking plate 371 is plate-shaped, one end of the locking plate 371 is fixedly connected to the second connecting block 362, the other end of the locking plate 371 is folded to a side of the connecting beam 332 opposite to the second rail 352, the locking bolt 372 is threadedly mounted on one end of the locking plate 371 away from the second connecting block 352 and is tightly pressed against the connecting beam 332 when being screwed, so as to fix the relative positions of the locking plate 371 and the connecting beam 332, so that the positions of the second connecting block 362, the second rail 352 and the connecting beam 332 are relatively fixed, and at the same time, the position of the first connecting block 361 and the first rail 351 are also relatively fixed.

Referring to fig. 5 and 6, when the horizontal angle of the cloth cutting frame 35 needs to be adjusted, the locking bolt 372 is loosened, and then the position of the second connecting block 362 on the second rail 352 can be slid while the position of the first connecting block 361 on the first rail 351 is changed, and when the adjustment is completed, the locking bolt 372 is tightened.

Referring to fig. 5, stopper 353 made of rubber is fixedly disposed at both ends of the first rail 351 to limit a moving range of the first connecting block 361, and prevent the first connecting block 361 from being separated from the first rail 351.

Referring to fig. 2 and 6, the cloth cutting frame 35 is provided with a cloth cutting assembly for cutting cloth, the cloth cutting assembly comprises a cloth cutting rail (not shown in the figure), a mounting seat 382, a cloth cutting machine 383, a cloth cutting motor 384, a synchronizing wheel 385 and a synchronizing belt 386, the cloth cutting rail is fixedly arranged on the cloth cutting frame 35, the length direction of the cloth cutting rail is parallel to the length direction of the cloth cutting frame 35, the mounting seat 382 is slidably arranged on the cloth cutting rail, and the cloth cutting machine 383 is fixedly arranged on the mounting seat 382; two synchronous wheels 385 are respectively and rotatably arranged at two ends of the cloth cutting frame 35; the synchronous belt 386 is sleeved on the two synchronous wheels 385, and the synchronous belt 386 is fixedly connected with the mounting seat 382; the cloth cutting motor 384 is fixedly installed at one end of the cloth cutting frame 35, and an output shaft of the cloth cutting motor 384 is coaxially connected and fixed with one of the synchronizing wheels 385. The cloth cutting motor 384 drives the connected synchronizing wheel 385 to rotate, the synchronizing wheel 385 drives the synchronizing belt 386 to move, the synchronizing belt 386 drives the mounting seat 382 to move on the cloth cutting track, and therefore the cloth cutting machine 383 performs cutting.

Referring to fig. 3, a cloth passing frame 391 with an outer frame in a right-angled triangle shape is further fixed at the lower end of the lifting frame 3, the cloth passing frame 391 is also fixedly connected with the connecting beam 332, wherein two ends of one side of the cloth passing frame 391 far away from the cloth cutting machine 383 are respectively connected with two ends of the lifting frame 3, namely, a right-angled side of the cloth passing frame 391 is connected with the lifting frame 3, one end of the cloth passing frame 391 close to the cloth cutting machine 383 is connected with the connecting beam 332, namely, the length direction of the other right-angled side of the cloth passing frame 391 is parallel to the cloth laying direction. The cloth-passing frame 391 is covered with a cloth-passing plate 392 with the same shape, and only three end corners of the cloth-passing plate 392 are connected with the cloth-passing frame 391, and the cloth conveyed by the rack 1 falls onto the cloth-passing plate 392 first.

Referring to fig. 6, the cloth cutting frame 35 is further connected with an extension plate 393, one side of the extension plate 393 is fixed at the lower end of the cloth cutting frame 35, and the extension plate 393 penetrates between the cloth passing frame 391 and the cloth passing plate 392 and can slide between the cloth passing frame 391 and the cloth passing plate 392, that is, when the cloth cutting frame 35 rotates, the cloth cutting frame 35 carries the extension plate 393 to move, and the extension plate 393, the cloth passing plate 392 and the cloth passing frame 391 move relatively. The cloth passes from the cloth-passing plate 392 onto the extension plate 393, and falls from the extension plate 393 onto the cloth laying platform 2.

Referring to fig. 1, a cloth fixing device for fixing cloth is arranged on the cloth spreading platform 2 and comprises a fixing seat 42 fixed on the cloth spreading platform 2, a sliding rail 43 is fixed on the fixing seat 42 in the cloth spreading direction, an installation frame 5 is slidably arranged on the sliding rail 43, and a push-pull assembly connected with the installation frame 5 is arranged on the fixing seat 42.

Referring to fig. 1, the push-pull assembly includes a first air cylinder 44 or a hydraulic cylinder, in this embodiment, the first air cylinder 44 is adopted, a cylinder body of the first air cylinder 44 is hinged on the fixing base 42, and a piston rod of the first air cylinder 44 is connected with the mounting frame 5 in a universal manner through a rod end joint bearing. The movement of the piston rod of the first cylinder 44 moves the mounting bracket 5 on the slide rail 43.

Referring to fig. 7, a fixing frame 51 is disposed on the mounting frame 5, a vertical shaft is fixed to the mounting frame 5, the fixing frame 51 is rotatably mounted on the mounting frame 5 through the vertical shaft, a rotation plane of the fixing frame 51 is a horizontal plane, and the fixing frame 51 is fixed to the mounting frame 5 through a fixing component 53.

Referring to fig. 7 and 8, the mounting bracket 5 is symmetrically provided with strip-shaped circular arc holes 52 with the center of the vertical axis as the center of a circle, the fixing assembly 53 includes a fixing bolt 531 and a fixing nut 532, the fixing bolt 531 is installed on the fixing bracket 51 and penetrates through the circular arc hole 52, and the fixing nut 532 is installed at one end of the fixing bolt 531 penetrating through the circular arc hole 52 in a threaded manner. When the rotation adjustment of the fixing frame 51 is completed, the fixing nut 532 is tightened, and the relative position of the fixing frame 51 and the mounting frame 5 is fixed. And the angle adjustment of the fixing frame 51 is matched with the angle of the cloth cutting frame 35 to realize accurate clamping of the cloth.

Referring to fig. 7, in order to facilitate the rotation of the holder 51, a rolling bearing 54 is rotatably mounted on the holder 51, the rolling bearing 54 supports the holder 51, and the rolling bearing 54 rolls on the upper surface of the mount 5.

Referring to fig. 6 and 7, a rotating rack and a lifting assembly 56 for driving the rotating rack to rotate are disposed on the fixed rack 51, the rotating rack includes two rotating rod sets and a connecting rod 555, and each rotating rod set includes a sliding block 551, a first rod 552, a second rod 553 and a connecting rod 554.

Referring to fig. 6 and 9, the fixing frame 51 is provided with a horizontal sliding hole 511, the sliding block 551 is rotatably provided with two sliding bearings 556, and the two sliding bearings 556 slide in the sliding hole 511; one end of the first rod 552 and one end of the second rod 553 are rotatably installed at the slide block 551 with a gap therebetween, one end of the connection plate 554 is rotatably connected with the other end of the first rod 553, and the first rod 552 and the second rod 553 are disposed at the connection plate 554 with a gap therebetween such that the rotational connection point of both ends of the first rod 552 and the rotational connection point of both ends of the second rod 553 form a parallelogram. A cross beam 557 is fixedly connected between the two first rods 552 or the two second rods 553 in the two rotating rod sets, and the cross beam 557 is used for fixing the distance between the two first rods 552 or the two second rods 553, so that the two sliding bearings 556 on the sliding block 551 always slide in the sliding hole 511.

Referring to fig. 9, a path hole 512 is formed in the fixed frame 51, and a path block 513 sliding in the path hole 512 is rotatably mounted on the first rod 552 or the second rod 553, wherein the path block 513 is a bearing in this embodiment. Connecting rods 555 are fixedly mounted on the ends of the two connecting plates 554 remote from the first rod 552, and when the first rod 552 and the second rod 553 rotate, the path block 513 moves along the path hole 512 and vertically lifts the clamp 57 in the same horizontal position.

Referring to fig. 10, a plurality of clamping members 57 for clamping cloth are disposed on the connecting rod 555, each clamping member 57 includes a first clamping piece 571, a second clamping piece 572 and a pushing piece, the connecting rod 555 is fixedly mounted with a mounting piece 558, the first clamping piece 571 is fixedly mounted on the mounting piece 558, and the first clamping piece 571 is horizontal; the second clamping piece 572 is bent, and the bent part of the second clamping piece 572 is rotatably mounted on the mounting piece 558; the pushing piece adopts a second cylinder 573, the cylinder body of the second cylinder 573 is fixedly installed on the mounting plate 558, the piston rod of the second cylinder 573 is connected with a connecting rod 574, and two ends of the connecting rod 574 are respectively hinged with the piston rod of the second cylinder 573 and one end of the second clamping piece 572 close to the second cylinder 573. In operation, the second cylinder 573 drives the connecting rod 574, and the connecting rod 574 drives the second clamping piece 572 to move, so that the end of the second clamping piece 572 away from the second cylinder 573 clamps cloth with the first clamping piece 571.

Referring to fig. 9, the lifting assembly 56 includes a lifting motor 561, a plurality of pulleys 562, a rope 563, and a winding sleeve 564, the lifting motor 561 is fixedly mounted on the fixing frame 51, a round rod 565 is rotatably mounted on the fixing frame 51, one end of the round rod 565 penetrates through the fixing frame 51, and an output shaft of the lifting motor 561 is chain-driven with the round rod 565; the rolling sleeve 564 is coaxially fixed on one end of the round rod 565 passing through the fixed frame 51; a plurality of pulleys 562 are rotatably mounted on the holder 51 at intervals, one end of the rope 563 is connected to one end of the longer connecting plate 554, the other end is wound around the winding sleeve 564, and the rope 563 is wound around the pulleys 562. Let when needing to adjust the height of clamping position, lift motor 561 drives round bar 565 and rotates, and rolling cover 564 rotates with round bar 565 is synchronous, can unreel or the rolling rope 563 to put down or promote connecting plate 554, realize clamping position's regulation.

Referring to fig. 6, in order to facilitate clamping, a tooth-missing plate 354 is further fixed to the cloth cutting frame 35 at a position where the extension plate 393 is connected, the tooth-missing plate 354 is fixed below the extension plate 393, the tooth-missing plate 354 is attached to the lower surface of the extension plate 393, and a plurality of notches are formed in the tooth-missing plate 354 at uniform intervals along the length direction. When the cloth is cut, the positions of the first clamping piece 571 and the second clamping piece 572 for clamping the cut cloth can be in the gap, so that the clamping effect of the first clamping piece 571 and the second clamping piece 572 on the cloth can be improved, and the success rate of clamping can be improved.

The implementation principle of the cloth cutting system of the cloth spreading machine in the embodiment of the application is as follows:

according to the requirements of different products, the angle of the cloth cutting frame 35 is adjusted, namely the locking bolt 372 is loosened, the cloth cutting frame 35 is moved, and is screwed down after the adjustment is finished, so that the adjustment process is finished, and the amount of the excess edges which need to be cut off after cutting is reduced as much as possible.

Then, according to the angle of the fabric cut, the position of the fixing frame 51 on the mounting frame 5 is rotated so that the clamping position of the first clamping piece 571 and the second clamping piece 572 can conform to the edge of the fabric.

Finally, the clamping height is adjusted according to the stacking height of the cloth, the lifting motor 561 moves to drive the connecting plate 554 to move, the connecting rod 555 and the connecting plate 554 are changed synchronously, and the positions of the first clamping piece 571 and the second clamping piece 572 can be adjusted.

During spreading, the cloth is conveyed from the frame 1 to the cloth-passing plate 392, conveyed from the cloth-passing plate 392 to the extending plate 393, and then dropped onto the spreading platform 2. When the rack 1 moves to a cutting position and needs to be cut, the cloth cutting motor 384 drives the cloth cutting machine 383 to move, the cloth cutting machine 383 can cut cloth, then the first air cylinder 44 pushes the mounting frame 5 to be actuated, the first clamping piece 571 and the second clamping piece 572 clamp the cloth positioned in the gap under the driving of the second air cylinder 573, and then the rack 1 moves reversely to the other end of the cloth laying platform 2. When the cloth reaches the other end, the cloth is loosened, and the first air cylinder 44 drives the mounting frame 5 to return to the original position to prepare for next clamping.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fabric cutting system of granny rag machine, includes frame (1) of motion on shop's cloth platform (2), its characterized in that: the cloth cutting frame (35) is adjustably mounted on the rack (1), the cloth cutting frame (35) is horizontally and rotatably mounted on the rack (1), a cloth cutting assembly for cutting cloth is mounted on the cloth cutting frame (35), and a cloth fixing device for fixing cloth is further arranged on the cloth laying platform (2);

the cloth fixing device comprises an installation frame (5) which is arranged on the cloth paving platform (2) in a sliding mode, a push-pull assembly which is arranged on the cloth paving platform (2) and connected with the installation frame (5), and a cloth pulling mechanism which is arranged on the installation frame (5) and used for pulling cloth;

a fixing frame (51) is horizontally and rotatably arranged on the mounting frame (5), the cloth spreading mechanism is arranged on the fixing frame (51), and the fixing frame (51) is fixedly connected with the mounting frame (5) through a fixing component (53);

the cloth pulling mechanism comprises a rotating frame which is rotatably arranged on the fixed frame (51), a plurality of clamping pieces (57) which are arranged on the rotating frame and used for clamping cloth, and a lifting assembly (56) which is arranged on the fixed frame (51) and connected with the rotating frame;

frame (1) lower extreme is connected with and crosses cloth board (392), the height that crosses cloth board (392) is less than the height of cloth cutting assembly, cloth cutting frame (35) are installed extension board (393), extension board (393) are located cloth cutting assembly's below.

2. The cloth cutting system of a tenter according to claim 1, wherein: support (33) are installed in frame (1), support (33) slide along the shop's cloth direction on shop's cloth platform (2), cut cloth rack (35) one end and rotate and install on frame (1), cut cloth rack (35) other end and slide and install on support (33), just cut cloth rack (35) can with support (33) relatively rotate, be provided with on the cut cloth rack (35) with locking Assembly (37) that support (33) are connected.

3. The cloth cutting system of a tenter according to claim 2, characterized in that: be provided with crane (3) of liftable on frame (1), cut cloth frame (35) with frame (1) is rotated to be connected one end and is rotated and install crane (3) are last, support (331), the one end that slides including on shop's cloth platform (2) are connected crane (3) are last and other end liftable install tie-beam (332) on support (331), cut cloth frame (35) are kept away from crane (3) one end is rotated and is slided through regulating block (36) and connect on tie-beam (332), just crane (3) with tie-beam (332) are in support (331) one end is gone up and down in step.

4. The cloth cutting system of a tenter according to any one of claims 1 to 3, characterized in that: the extension plate (393) slides on the cloth passing plate (392), the plane where the extension plate (393) is located is lower than the plane where the cloth passing plate (392) is located, and cloth sequentially falls onto the cloth spreading platform (2) from the rack (1), the cloth passing plate (392) and the extension plate (393).

5. The cloth cutting system of a tenter according to claim 1, characterized in that: the rotating frame comprises two rotating rod groups and a connecting rod (555), the two rotating rod groups are respectively arranged at two ends of the fixed frame (51) in the length direction, the connecting rod (555) is connected with the two rotating rod groups, and the clamping piece (57) is arranged on the connecting rod (555);

the rotating rod sets comprise a sliding block (342) slidably mounted on the fixed frame (51), a first rod (552) with one end rotatably mounted on the sliding block (342), a second rod (553) with one end rotatably mounted on the sliding block (342), and connecting plates (554) mounted at the other end of the first rod (552) and the other end of the second rod (553), wherein the rotating connection points at the two ends of the first rod (552) and the rotating connection points at the two ends of the second rod (553) are sequentially connected to form a parallelogram, the length of the connecting plate (554) in one rotating rod set is greater than that of the connecting plate (554) in the other rotating rod set, the lifting assembly (56) is connected with the longer connecting plate (554), and the two ends of the connecting rod (555) are respectively connected to the two connecting plates (554);

the fixing frame (51) is provided with a path hole (512), the first rod (552) or the second rod (553) is provided with a path block (513) moving along the path hole (512), and when the first rod (552) and the second rod (553) rotate, the path block (513) moves along the path hole (512) and enables the clamping piece (57) to vertically lift at the same horizontal position.

6. The cloth cutting system of a tenter according to claim 5, wherein: the lifting assembly (56) comprises a lifting motor (561) arranged on the fixed frame (51), a plurality of pulleys (562) arranged on the fixed frame (51), and a rope (563) with one end connected to the long connecting plate (554) and the other end connected to an output shaft of the lifting motor (561), wherein the rope (563) bypasses the pulleys (562).

7. The cloth cutting system of a tenter according to claim 1, characterized in that: a fixed seat (42) is arranged on the cloth spreading platform (2), a sliding rail (43) is arranged on the fixed seat (42), and the mounting frame (5) is arranged on the sliding rail (43) in a sliding manner; the push-pull assembly comprises a first air cylinder (44) or a hydraulic cylinder which is rotatably arranged on the fixed seat (42), and a piston rod of the first air cylinder (44) or the hydraulic cylinder is in universal connection with the mounting frame (5).