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CN-115557282-B - Deviation rectifying mechanism suitable for plane cloth piece

CN115557282BCN 115557282 BCN115557282 BCN 115557282BCN-115557282-B

Abstract

The invention discloses a correction mechanism suitable for a plane cloth piece, which comprises a rear correction mechanism and a front correction mechanism, wherein the rear correction mechanism comprises a small correction wheel and a large correction wheel, the small correction wheel is arranged above a small seam table of a sewing table top and is connected with a small wheel lifting cylinder, the large correction wheel is arranged above the sewing table top on the right side of the small correction wheel and is connected with a large wheel lifting cylinder, one side of the large correction wheel is provided with a large cloth baffle, the small seam table is also provided with a small cloth baffle and a cloth piece sensor for detecting the cloth piece, and the front correction mechanism comprises a cloth moving synchronous belt which is arranged on the front side lifting mechanism of the sewing table top and is used for driving the cloth piece to move. The deviation rectifying mechanism has the advantages of simple structure, suitability for high-speed sewing deviation rectification and suitability for deviation rectification of cloth pieces with various widths.

Inventors

  • LI JIE
  • CHEN WEIQIANG

Assignees

  • 杰克科技股份有限公司

Dates

Publication Date
20260512
Application Date
20220906

Claims (9)

  1. 1. The deviation correcting mechanism suitable for planar cloth sheet is set on the sewing table, and has notch for holding overedger in the middle of the back side of the sewing table, small sewing table in the front of the notch, The device comprises a correction mechanism, a large correction wheel assembly, a small correction wheel assembly, a large correction wheel assembly, a small cloth baffle and a cloth piece sensor, wherein the rear correction mechanism and the front correction mechanism are arranged on the right rear side of a sewing table, the rear correction mechanism comprises a small correction wheel assembly and a large correction wheel assembly, the small correction wheel assembly is used for driving cloth pieces to change moving directions, the small correction wheel assembly is arranged above a small seam table close to a notch, the small correction wheel in the small correction wheel assembly is connected with a small wheel lifting cylinder to realize lifting, the small seam table is provided with the small cloth baffle and the cloth piece sensor for detecting the cloth pieces, the large correction wheel assembly is arranged above the sewing table on the right side of the small correction wheel assembly, the large correction wheel in the large correction wheel assembly is connected with the large wheel lifting cylinder to realize lifting, the left sides of the small correction wheel and the large correction wheel are respectively deflected backwards, and the rear side of the large correction wheel is provided with the large cloth baffle; the front deviation correcting mechanism comprises a cloth moving synchronous belt for driving the cloth piece to move, the cloth moving synchronous belt is arranged at the front side of the sewing table top, and the cloth moving synchronous belt is arranged on the cloth moving synchronous belt lifting mechanism; the correcting mechanism comprises a controller, and the controller is connected with the rear correcting mechanism, the front correcting mechanism and the cloth piece sensor; the front deviation correcting mechanism is an active deviation correcting mechanism and comprises two swing arms which are parallel to each other and are respectively connected with one end of a synchronous wheel lifting cylinder, two ends of one swing arm are provided with a transmission synchronous belt assembly, the lower end of the transmission synchronous belt assembly is in transmission connection with a cloth moving synchronous belt through a rotating shaft and a synchronous wheel, and the upper end of the transmission synchronous belt assembly is connected with a driving motor; When the synchronous wheel lifting cylinder acts, the cloth moving synchronous belt ascends or descends and is parallel to the sewing table surface.
  2. 2. The deviation rectifying mechanism suitable for the plane cloth piece according to claim 1, wherein the small deviation rectifying wheel (38) is connected to the small wheel lifting cylinder (41) through a small wheel connecting arm (37) and a small wheel connecting plate (30), and the small wheel lifting cylinder (41) is fixed at the bottom of the small slit table (51) through a cylinder connecting bracket (31).
  3. 3. The deviation rectifying mechanism suitable for the plane cloth piece according to claim 1, wherein the large deviation rectifying wheel (36) is connected with the large wheel lifting cylinder (33) through a large wheel connecting arm (35) and a large wheel connecting plate (42), the large wheel lifting cylinder (33) is fixed on a movable rod of a large wheel front-rear telescopic cylinder (32), and the large wheel front-rear telescopic cylinder (32) is fixed on the sewing table top (5).
  4. 4. The deviation correcting mechanism for the planar cloth piece according to claim 1, wherein the small cloth baffle (39) is fixed on the small slit table (51), a rear cloth baffle (396) at the rear side of the small cloth baffle (39) is fixed with the small slit table (51), an upper baffle is arranged at the front side of the small cloth baffle (39), a limit channel for the cloth piece is formed among the upper baffle, the rear cloth baffle (396) and the small slit table (51), a cloth baffle extension section (391) is arranged at the left side of the rear cloth baffle (396), a front guide part (392) for facilitating the entering of the cloth piece is formed by upwards curling the front side edge of the upper baffle, an extension guide part (393) is formed by extending the left side of the front guide part (392), a through groove (394) for accommodating the small deviation correcting wheel (38) is formed in the middle of the upper baffle, and a sensor hole (395) for installing the cloth piece sensor (40) is formed at the rear side of the through groove (394).
  5. 5. The deviation correcting mechanism for the planar cloth piece according to claim 1, wherein the large cloth baffle (34) is fixed on the sewing table top (5), the large cloth baffle (34) comprises a rear baffle fixed with the sewing table top (5) and an upper baffle connected above the rear baffle and extending towards the front side, a limit channel for the cloth piece is formed among the rear baffle, the upper baffle and the sewing table top, and the front side edge of the upper baffle is curled upwards to form a guide edge for facilitating the entry of the cloth piece.
  6. 6. The deviation correcting mechanism for the planar cloth piece according to claim 1, wherein a pillar is arranged on the left rear side of the sewing table surface, an axle center fixing plate (20) is arranged on the pillar, two connecting arms (87) extending forwards in parallel are arranged on the axle center fixing plate (20), front fixing plates are arranged at the front ends of the two connecting arms (87), swinging arms (83) parallel to each other are rotatably connected at the two ends of the front fixing plates, the lower ends of the two swinging arms (83) are hinged with the two ends of a synchronous wheel fixing plate (82), and the synchronous wheel and the cloth moving synchronous belt are arranged on the synchronous wheel fixing plate.
  7. 7. The deviation rectifying mechanism for the plane cloth piece according to claim 6, wherein the front fixing plate, the swinging arm (83) and the synchronous wheel fixing plate (82) form a parallelogram mechanism, and a rubber coating layer is arranged on the outer side of the cloth moving synchronous belt (80).
  8. 8. The deviation rectifying mechanism for flat cloth according to any one of claims 1 to 7, characterized in that the rear deviation rectifying mechanism is a passive deviation rectifying mechanism, the large deviation rectifying wheel (36) and the small deviation rectifying wheel (38) are rubber wheels, an included angle between a radial plane of the large deviation rectifying wheel (36) and a moving direction of the cloth is 8-12 degrees, and an included angle between a radial plane of the small deviation rectifying wheel (38) and the moving direction of the cloth is 30-40 degrees.
  9. 9. The mechanism of any one of claims 1-7, wherein the rear deviation rectifying mechanism is an active deviation rectifying mechanism, the large deviation rectifying wheel (36) and the small deviation rectifying wheel (38) are rubber wheels, the large deviation rectifying wheel (36) and the small deviation rectifying wheel (38) are connected to a servo motor, the servo motor is connected to a controller, an included angle between a radial plane of the large deviation rectifying wheel and a moving direction of the cloth is 8-12 degrees, and an included angle between a radial plane of the small deviation rectifying wheel and the moving direction of the cloth is 30-40 degrees.

Description

Deviation rectifying mechanism suitable for plane cloth piece Technical Field The invention relates to the technical field of sewing devices, in particular to a deviation rectifying mechanism suitable for a plane cloth piece. Background The structure of rectifying that current sewing device adopted is rectified by the bidirectional wheel that the worm realized mainly, and this kind of rectifying device is applicable to three-dimensional form cylinder cloth, is not applicable to the rectifying of plane cloth piece, and the structure is complicated with high costs and difficult maintenance, and is difficult to deal with high-speed sewing and rectifies, and the dynamics of rectifying is little, is not applicable to big cloth piece. The Chinese patent document with publication number CN215517902U discloses a double-worm deviation rectifying mop device, which comprises a roller, worm shafts penetrating the roller and connected with the roller, 6 pairs of 12 grooves penetrating through the front end and the rear end of the roller are formed in the circumferential round surface of the roller along the axial direction, the arc lengths of the adjacent grooves connected are equal, 6 pairs of 12 steering pulleys and 3 pairs of 6 driving pulleys are respectively arranged on the end surface of the roller in a rotating way, 3 pairs of driving pulleys are closer to the axle center of the roller relative to the steering pulleys and are alternately arranged relative to the 6 pairs of steering pulleys, a worm wheel is fixedly arranged in the middle of each pair, a front worm and a rear worm are fixedly arranged on the worm shafts, the worm wheel is respectively meshed with the front worm or the rear worm, an endless round belt is respectively wound on each steering pulley and each driving pulley, and the endless round belt is partially exposed out of the grooves. Compared with the prior art, the structure adopts the double worm mechanism, effectively utilizes space arrangement to be more reasonable, 12 deviation correcting belts are uniformly arranged, and good deviation correcting effect can be achieved at any angle, so that the structure is mainly suitable for correcting three-dimensional cylindrical cloth. However, the deviation correcting device with the structure has the advantages of complex structure, high cost, difficult maintenance, difficult deviation correction for high-speed sewing, small deviation correcting force and inapplicability to deviation correction of large plane cloth pieces. Disclosure of Invention The invention aims to solve the problems that the structure of the deviation correcting device in the prior art is complex, the cost is high, the maintenance is difficult, the high-speed sewing deviation correction is difficult to deal with, the deviation correcting force is small, and the deviation correcting mechanism is not suitable for large plane cloth pieces, and the deviation correcting mechanism suitable for the plane cloth pieces has the advantages of simple structure, suitability for high-speed sewing deviation correction and suitability for deviation correction of plane cloth pieces with various widths. The technical proposal adopted by the invention for solving the technical problems is that the deviation correcting mechanism suitable for the plane cloth piece is arranged on a sewing table top, the middle part of the rear side of the sewing table top is provided with a notch for accommodating an overedger, the front side of the notch is provided with a small sewing table, The correcting mechanism comprises a rear correcting mechanism and a front correcting mechanism, the rear correcting mechanism is arranged on the right rear side of the sewing table top, the rear correcting mechanism comprises a small correcting wheel assembly and a large correcting wheel assembly, the small correcting wheel assembly is arranged above a small seam table, the small seam table is close to the notch, the small correcting wheel in the small correcting wheel assembly is connected with a small wheel lifting cylinder to realize lifting, and a small cloth baffle plate and a cloth sheet sensor for detecting cloth sheets are further arranged on the small seam table; the large deviation correcting wheel assembly is arranged above the sewing table surface on the right side of the small deviation correcting wheel assembly, the large deviation correcting wheel in the large deviation correcting wheel assembly is connected with the large wheel lifting cylinder to realize lifting, the left sides of the small deviation correcting wheel and the large deviation correcting wheel are both deflected backwards, and the rear side of the large deviation correcting wheel is provided with a large cloth baffle; The front deviation correcting mechanism comprises a cloth moving synchronous belt for driving the cloth piece to move, wherein the cloth moving synchronous belt is arranged at the front side of the sewing table top, and the cloth m