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CN-115522330-B - Sewing device for sewing surface layer cloth of case and application method thereof

CN115522330BCN 115522330 BCN115522330 BCN 115522330BCN-115522330-B

Abstract

The invention discloses a sewing device for sewing surface layer cloth of a case and a use method thereof, comprising an adjusting and fixing device, a rotating base and a sewing machine for sewing the cloth, wherein the adjusting and fixing device is arranged on the rotating base, and the sewing machine is arranged on the side surface of the adjusting and fixing device; the adjusting and fixing device comprises a supporting base, a clamping component and an adjusting component, the cloth can be clamped by the adjusting and fixing device, the sewing end of the cloth and the sewing machine is changed by rotating the base, when the cloth is clamped by the adjusting and fixing device, the cloth can be pulled by the adjusting component, the surface area of the cloth is increased, the cloth can wrap a case, the junction of two ends of the cloth can be heated by the softening mechanism, and the pattern on the cloth can be adjusted before the cloth is fixed, so that deviation can be avoided when the pattern is sewn on the case.

Inventors

  • Bao Fangchang

Assignees

  • 泉州市华信兴瑞包袋有限公司

Dates

Publication Date
20260505
Application Date
20221026

Claims (5)

  1. 1. The sewing equipment for sewing the surface layer cloth of the case is characterized by comprising an adjusting and fixing device (1), a rotating base (2) and a sewing machine (3) for sewing the cloth, wherein the adjusting and fixing device (1) is arranged on the rotating base (2), and the sewing machine (3) is arranged on the side surface of the adjusting and fixing device (1); The adjusting and fixing device (1) comprises a supporting base (11), a clamping assembly (12) and an adjusting assembly (13), wherein the clamping assembly (12) is symmetrically arranged on the adjusting assembly (13), the adjusting assembly (13) is arranged on the supporting base (11), the supporting base (11) is rotationally arranged on the rotating base (2), and the clamping assembly (12) is externally connected with an air pump through a connecting pipe (121) to pump air to manufacture negative pressure; The clamping assembly (12) comprises a left adsorption part and a right adsorption part, wherein the two adsorption parts are respectively provided with two adsorption plates which are arranged in an up-down symmetrical way, and the upper adjacent adsorption plates and the lower adjacent adsorption plates are arranged towards the case; The adjusting assembly (13) comprises a screw rod (131), a first air cylinder (132), screw rod sliding blocks (133), motors (134), fixing blocks (135) and second air cylinders (136), wherein the screw rod sliding blocks (133) are arranged on each adsorption plate, the screw rod sliding blocks (133) on the left adjacent adsorption plate and the right adjacent adsorption plate are connected through the first air cylinders (132), the screw rod (131) penetrates through each screw rod sliding block (133) in the direction of the long shaft of the clamping assembly (12), one end of the screw rod (131) is connected with an output shaft of each motor (134) while the other end of the screw rod (131) is rotationally connected with each fixing block (135), each motor (134) is fixedly provided with one fixing block (135), and each fixing block (135) is fixed on each second air cylinder (136); The second cylinder (136) is perpendicular to the fixed block (135); Each of the fixing blocks (135) located at the lower side is fixed at the outer side of the second cylinder (136), and each of the fixing blocks (135) located at the upper side is fixed on the output shaft of the second cylinder (136) to extend outwards through the output shaft of the second cylinder (136) to jack up each of the adsorption plates located at the upper side upwards.
  2. 2. The sewing machine for sewing case and bag surface fabric of claim 1, wherein the support base (11) has a chute (111), a slide block (112) is slidably disposed in the chute (111), the adsorption portion on the left side is fixed on the support base (11) by a second cylinder (136), and the adsorption portion on the right side is fixed on the slide block (112) by the second cylinder (136), so that the adsorption portion on the right side can slide along the direction of the chute (111) by the slide block (112) when the output shaft of the first cylinder (132) lifts up the adsorption portion on the right side.
  3. 3. The sewing apparatus for sewing case surface fabric of claim 2, wherein each of the adsorption plates is provided with a plurality of screw sliders (133), the screw (131) sequentially penetrates through the plurality of screw sliders (133), and the screw (131) is screw-driven with each screw slider (133).
  4. 4. The sewing equipment for sewing case surface cloth according to claim 2, wherein the supporting base (11) comprises a bracket (113), a softening mechanism (14) is arranged on the bracket (113), the softening mechanism (14) comprises a sleeve (141), a third cylinder (142) and a heating clamping plate (143), the sleeve (141) is sleeved outside the third cylinder (142), and the heating clamping plate (143) is connected with an output shaft of the third cylinder (142) from outside to inside in the sleeve (141); The heating clamp plate (143) is externally connected with a power supply for heating, the heating clamp plate (143) comprises an upper heating plate and a lower heating plate, and the heating plate positioned at the upper side is connected to the other heating plate in a swinging way through a rotating shaft (144).
  5. 5. The application method of the sewing equipment for sewing the surface cloth of the case is based on the sewing equipment for sewing the surface cloth of the case as claimed in claim 3 or 4, and is characterized by comprising the following specific steps: S1, cutting a cloth raw material to be sewn into a strip shape, respectively attaching two ends of the cloth to the upper end and the lower end of the inner side of a clamping assembly (12), and sucking and fixing the cloth by the clamping assembly (12) through negative pressure manufactured by pumping air through an air pump externally connected with a communicating pipe (121); S2, putting the luggage into the clamping assembly (12) from one side of the cloth, and controlling the adsorption plates positioned at the upper side to move downwards to be propped against the luggage through the second cylinders (136); S3, pulling the cloth through the adjusting component (13) until the surface area of the cloth is pulled to be larger than the surface area of the case; S4, clamping two ends of the cloth through a softening mechanism (14) and heating and softening the cloth at the same time; S5, sewing the cloth at the two clamped ends by using a sewing machine (3), and stopping the air suction of the air pump after the sewing is completed, so that the cloth which is originally fixed by the clamping assembly (12) elastically contracts along with the cloth; s6, driving the adjusting and fixing device (1) to sequentially rotate through the rotating base (2), sewing the cloth on each side face of the case by using the sewing machine (3), and then separating the cloth by using a zipper in the middle of the case as a horizontal line through an operator to finish subsequent sewing work.

Description

Sewing device for sewing surface layer cloth of case and application method thereof Technical Field The invention relates to the field of case cloth sewing equipment, in particular to sewing equipment for sewing case surface cloth and a using method thereof. Background In the prior art, when the surface layer of the case is wrapped by cloth, the cloth is sewn manually, the cloth is fixed by equipment during sewing, but the equipment is also only fixed by the cloth and cannot be adjusted by pulling, so that when an operator is sewing the cloth on the upper surface and the lower surface of the case, the condition that patterns are not symmetrical easily occurs, and when the harder cloth or leather is sewn by clamping, the operator is required to pull the cloth or the leather together and then stitch the harder cloth or the leather to the case, and the case is too inconvenient. Disclosure of Invention The invention provides a sewing device for sewing surface cloth of a case and a use method thereof, which overcomes the defects described in the background art. The technical scheme adopted for solving the technical problems is as follows: The sewing equipment for sewing the surface cloth of the case comprises an adjusting and fixing device, a rotating base and a sewing machine for sewing the cloth, wherein the adjusting and fixing device is arranged on the rotating base, the sewing machine is arranged on the side face of the adjusting and fixing device, the adjusting and fixing device comprises a supporting base, a clamping assembly and an adjusting assembly, the clamping assembly is symmetrically arranged on the adjusting assembly, the adjusting assembly is arranged on the supporting base, the supporting base is rotationally arranged on the rotating base, the clamping assembly is connected with an air pump through a communication pipe to pump air for manufacturing negative pressure, the clamping assembly comprises a left adsorption part and a right adsorption part, the two adsorption parts are respectively provided with two adsorption plates which are symmetrically arranged up and down, and the upper adjacent adsorption plates and the lower adjacent adsorption plates are all arranged towards the case. The adjusting assembly comprises a screw rod, a first air cylinder, screw rod sliding blocks, a motor, fixing blocks and second air cylinders, wherein the screw rod sliding blocks are arranged on each adsorption plate, the screw rod sliding blocks on the left and right adjacent adsorption plates are connected through the first air cylinder, the screw rod penetrates through each screw rod sliding block by taking the long shaft of the clamping assembly as the direction, one end of the screw rod is connected with an output shaft of the motor, the other end of the screw rod is rotationally connected with the fixing blocks, each motor is fixedly provided with one fixing block, each fixing block is fixed on the second air cylinder, and the second air cylinder is perpendicular to the fixing blocks. According to the preferred technical scheme, each fixing block positioned at the lower side is fixed on the outer side of the second cylinder, and each fixing block positioned at the upper side is fixed on an output shaft of the second cylinder so as to extend outwards through the output shaft of the second cylinder to jack up each adsorption plate positioned at the upper side upwards. The support base is provided with a sliding groove, a sliding block is arranged in the sliding groove in a sliding mode, the adsorption part positioned on the left side is fixed on the support base through a second air cylinder, and the adsorption part positioned on the right side is fixed on the sliding block through the second air cylinder, so that when the output shaft of the first air cylinder jacks up the adsorption part on the right side outwards, the adsorption part can slide along the sliding groove direction through the sliding block. According to the preferred technical scheme, a plurality of screw rod sliding blocks are arranged on each adsorption plate, the screw rods sequentially penetrate through the plurality of screw rod sliding blocks, and the screw rods are in screw rod transmission with the screw rod sliding blocks respectively. The support base comprises a support, a softening mechanism is arranged on the support, the softening mechanism comprises a sleeve, a third cylinder and a heating clamping plate, the sleeve is sleeved outside the third cylinder, and the heating clamping plate is connected with an output shaft of the third cylinder from outside to inside in the sleeve; The heating clamp plate is heated by an external power supply, the heating clamp plate comprises an upper heating plate and a lower heating plate, and the heating plate positioned at the upper side is connected to the other heating plate in a swinging way through a rotating shaft. The application method of the sewing equipment for sewing the surface cloth