A high-speed elastic waist compounding method and device

Abstract

The present invention relates to the technical field of sanitary product production, and provides a high-speed elastic waist compounding method and device thereof, wherein multiple groups of elastic conveying devices, an upper non-woven fabric conveying device, a lower non-woven fabric conveying device, a composite roller group, a first glue applying mechanism and a second glue applying mechanism are arranged, and each group of elastic conveying devices comprises a first elastic conveying unit, a second elastic conveying unit, a hemp rope machine, a transition roller, and a hemp rope unwinding machine for unwinding the elastic wound in a hemp rope style, and the first elastic conveying unit and the second elastic conveying unit respectively convey a single elastic to a strand roller on a hemp rope machine conductor frame, and the hemp rope machine winds it into a twist shape, and the hemp rope machine outputs it to the transition roller by a guide rope wheel, and the transition roller guides the twisted elastic to the hemp rope unwinding machine, and the elastic is unwound onto two winding rods in a reverse operation mode of the hemp rope machine weaving, and the two winding rods respectively convey a single elastic to the middle layer of the composite roller group. The present invention solves the problems of slow production speed and low efficiency of the existing elastic waistband.

Description

Technical Field

[0001] The invention relates to the technical field of sanitary product production, and in particular to a high-speed elastic waist compounding method and a device thereof. Background Art

[0002] In the production of disposable sanitary products, elastic waistband is an important part of diapers, which affects the comfort and appearance of diapers. Since the elastic band has great elasticity, the speed of conveying the elastic band to the composite with non-woven fabric is limited while maintaining balanced tension to ensure the stretching range of the elastic band, so the production speed of elastic waistband can only reach 40m / min at present. Therefore, how to improve the effective conveying speed of the elastic band and thus improve the production speed of the elastic waistband is an urgent problem to be solved. Summary of the invention

[0003] Therefore, in view of the above problems, the present invention proposes a high-speed elastic waist compounding method and device which can effectively increase the conveying speed of multiple elastic bands, ensure smooth conveying, and improve production efficiency.

[0004] In order to solve this technical problem, the present invention adopts the following scheme: a high-speed elastic waist compounding method, wherein multiple groups of elastic conveying devices, an upper non-woven fabric conveying device, a lower non-woven fabric conveying device, a composite roller group, a first gluing mechanism and a second gluing mechanism are arranged, wherein the elastics output by each group of elastic conveying devices are arranged at intervals and conveyed to the middle layer of the composite roller group, and the glue guns of the first gluing mechanism and the second gluing mechanism respectively spray glue on the pre-bonded surfaces of the upper non-woven fabric and the lower non-woven fabric conveyed by the upper non-woven fabric conveying device and the lower non-woven fabric conveying device, and the upper non-woven fabric and the lower non-woven fabric after glue spraying are respectively delivered to the upper layer and the lower layer of the composite roller group, and the composite roller group presses the glue-sprayed upper non-woven fabric, the middle layer elastic and the glue-sprayed lower layer non-woven fabric to form an elastic waist; each group of elastic conveying devices is The rubber conveying devices are each provided with a first rubber conveying unit, a second rubber conveying unit, a hemp rope machine for weaving the rubber band in a hemp rope style, a transition roller, and a hemp rope unwinding machine for unwinding the rubber band wound in a hemp rope style. When conveying the rubber band, each set of rubber conveying devices respectively conveys a single rubber band to the strand roller on the wire rack of the hemp rope machine, where the hemp rope machine winds it into a twist shape and outputs it to the transition roller through the guide rope wheel of the hemp rope machine. The transition roller guides the twisted rubber band to the hemp rope unwinding machine, which unwinds the rubber band onto two winding rods in the reverse operation mode of the hemp rope machine weaving. The two winding rods respectively convey a single rubber band to the middle layer of the composite roller group, wherein the hemp rope unwinding machine is a reverse operation device of the hemp rope machine.

[0005] A high-speed elastic waist compound device comprises a plurality of groups of elastic conveying devices, an upper non-woven fabric conveying device, a lower non-woven fabric conveying device, a composite roller group, a first glue applying mechanism and a second glue applying mechanism. The elastics outputted by each group of elastic conveying devices are arranged at intervals and conveyed to the middle layer of the composite roller group. The glue guns of the first glue applying mechanism and the second glue applying mechanism respectively spray glue on the pre-bonded surfaces of the upper non-woven fabric and the lower non-woven fabric conveyed by the upper non-woven fabric conveying device and the lower non-woven fabric conveying device. The upper non-woven fabric and the lower non-woven fabric after glue spraying are respectively conveyed to the upper layer and the lower layer of the composite roller group. The composite roller group presses the glue-sprayed upper non-woven fabric, the middle layer elastic and the glue-sprayed lower layer non-woven fabric to form an elastic waist. Each group of elastic conveying devices comprises a first elastic conveying unit, a second glue applying mechanism and a second glue applying mechanism. The invention relates to a rubber band conveying unit, a hemp rope machine for braiding the rubber band in a hemp rope style, a transition roller, and a hemp rope unwinding machine for unwinding the rubber band wound in a hemp rope style, wherein the first rubber band conveying unit and the second rubber band conveying unit respectively convey a single rubber band to the strand roller on the wire frame of the hemp rope machine, the hemp rope machine braids the two rubber bands conveyed by the first rubber band conveying unit and the second rubber band conveying unit into a twisted shape, and the guide rope wheel of the hemp rope machine outputs the twisted rubber band to the transition roller without winding it up, the transition roller guides the twisted rubber band to the hemp rope unwinding machine, unwinds the twisted rubber band onto the two winding rods of the hemp rope unwinding machine in the reverse operation mode of the hemp rope machine weaving, and the two winding rods of the hemp rope unwinding machine respectively convey a single rubber band to the middle layer of the composite roller group.

[0006] By adopting the above technical scheme, the beneficial effects of the present invention are as follows: by making a new design for the existing rubber conveying method, each group of rubber conveying devices is set to be composed of a first rubber conveying unit and a second rubber conveying unit respectively conveying a single rubber to the strand roller on the wire rack of the hemp rope machine when conveying the rubber, and the hemp rope machine winds it into a twist shape and outputs it to the transition roller by the guide rope wheel of the hemp rope machine, and the transition roller guides the twisted rubber to the hemp rope unwinding machine to unwind the rubber onto two winding rods in the reverse operation mode of the hemp rope machine weaving, and the two winding rods respectively convey a single rubber to the middle layer of the composite roller group, thereby effectively improving the conveying of multiple rubbers The speed, when two rubber bands are rolled into a twist shape, the strength is increased and the elasticity is reduced compared to a single rubber band, so that the rubber band conveying speed can be effectively improved. When the twisted rubber band is conveyed to the front end of the composite roller group, the hemp rope unwinding machine is used to unwind the twisted rubber band onto the two winding rods of the hemp rope unwinding machine in the reverse operation of the hemp rope machine weaving. The two winding rods of the hemp rope unwinding machine respectively convey a single rubber band to the middle layer of the composite roller group, so that the rubber band conveying is stable and the rubber band conveying speed can be greatly improved. This method can increase the production efficiency of the whole machine by more than 70%, improve production efficiency, reduce production costs, and can be widely promoted and applied. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 This is a simplified structural diagram of a manufacturing device according to an embodiment of the present invention;

[0008] Figure 2The invention is a schematic diagram of the elastic band winding structure on two winding rods of the hemp rope unwinding machine according to the embodiment of the present invention. DETAILED DESCRIPTION

[0009] The present invention is further described in conjunction with the accompanying drawings and specific embodiments, wherein the hemp rope machine and the hemp rope unwinding machine are both existing machines, and their specific structures have been disclosed in Chinese patent documents: CN202120632215.0 A device for automatic winding of hemp rope, CN201620090377.5 High-efficiency multifunctional hemp rope machine, etc.

[0010] refer to Figure 1 and Figure 2 The preferred high-speed elastic waist compounding method of the present invention is provided with five groups of rubber conveying devices, an upper non-woven fabric conveying device 2, a lower non-woven fabric conveying device 3, a compound roller group 4, a first glue applying mechanism 5 and a second glue applying mechanism 6. Each group of rubber conveying devices is provided with a first rubber conveying unit 11, a second rubber conveying unit 12, a hemp rope machine 13 for weaving the rubber in a hemp rope-like manner, a transition roller 14, and a hemp rope unwinding machine 15 for unwinding the rubber wound in a hemp rope-like manner. When conveying the rubber, each group of rubber conveying devices 1 is provided with a first rubber conveying unit 11 and a second rubber conveying unit 12 respectively conveying a single rubber, which is conveyed to the strand roller on the wire frame of the hemp rope machine 13 after the conveying speed is increased by the clamping conveying roller group 16. The hemp rope machine 13 weaves the single rubber on the two strand rollers into a twisted shape and directly outputs it to the transition roller by the guide rope wheel of the hemp rope machine 13. 14. After weaving, the hemp rope machine 13 does not reel up the rubber woven into a twist shape by the guide rope wheel, but guides the transition roller 14 to convey it to the hemp rope unwinding machine 15 in the reverse operation mode of the hemp rope machine 13 weaving, unwinds the twisted elastic band onto the two winding rods 151 of the hemp rope unwinding machine 15, and the two elastic bands wound on the two winding rods 151 are conveyed to the middle layer of the composite roller group, and the elastic bands output by each group of elastic band conveying devices are arranged at intervals and conveyed to the middle layer of the composite roller group 4, and the glue guns of the first glue applying mechanism 5 and the second glue applying mechanism 6 respectively spray glue on the pre-bonded surfaces of the upper non-woven fabric and the lower non-woven fabric conveyed by the upper non-woven fabric conveying device 2 and the lower non-woven fabric conveying device 3, and the upper non-woven fabric and the lower non-woven fabric after spraying glue are respectively conveyed to the upper layer and the lower layer of the composite roller group 4, and the composite roller group 4 presses the glue-sprayed upper non-woven fabric, the middle layer multiple elastic bands and the glue-sprayed lower non-woven fabric to form an elastic waistband.

[0011] In production, the hemp rope machine can be purchased online from the two-in-one plastic fiber rope making machine, cotton and linen rope making machine, braiding and spinning rope winding machine, and twisting machine of Zhencheng Machinery Factory in Shahe Town, Laizhou City, and the M88 two-in-one combined rope making machine supplied by Dongtai Machinery Factory in Ruian City, which can make cotton, linen, fiber tow jointless ropes, etc. Then, the winding device of the purchased hemp rope machine after the rear section is woven into a twist shape is removed, and the strand roller is replaced with a strand roller suitable for rubber band conveying. The hemp rope unwinding machine is obtained by reversing the hemp rope machine. When strung into a production line, the front end needs to first transport the rubber band to the weaving of the hemp rope machine and then to the transition roller, and then manually pull the twisted rubber band to the hemp rope unwinding machine, and manually wind the twisted rubber band along the running direction of the hemp rope unwinding machine through the rotating wheel of the reverse-running rope closing and twisting device, and then manually separate the two rubber bands to wrap them around the two winding rods, and pull the separated rubber bands to the composite roller group. Initially, run and debug at a low speed, and then gradually increase the speed after running smoothly. The speed is increased in multiple stages until it enters the normal high-speed operation mode.

[0012] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, it should be understood by those skilled in the art that various changes may be made to the present invention in form and details without departing from the spirit and scope of the present invention as defined by the appended claims, all of which are within the scope of protection of the present invention.

Claims

1. A high-speed elastic waist compounding method, comprising: providing a plurality of groups of elastic conveying devices, an upper non-woven fabric conveying device, a lower non-woven fabric conveying device, a composite roller group, a first gluing mechanism and a second gluing mechanism, wherein the elastics outputted by each group of elastic conveying devices are arranged in intervals and conveyed to the middle layer of the composite roller group, and the glue guns of the first gluing mechanism and the second gluing mechanism respectively spray glue on the pre-bonded surfaces of the upper non-woven fabric and the lower non-woven fabric conveyed by the upper non-woven fabric conveying device and the lower non-woven fabric conveying device, and the upper non-woven fabric and the lower non-woven fabric after the glue spraying are respectively conveyed to the upper layer and the lower layer of the composite roller group, and the composite roller group presses the glue-sprayed upper non-woven fabric, the middle layer elastic and the glue-sprayed lower layer non-woven fabric to form an elastic waist; characterized in that: Each group of rubber band conveying devices is composed of a first rubber band conveying unit, a second rubber band conveying unit, a hemp rope machine for weaving the rubber band in a hemp rope style, a transition roller, and a hemp rope unwinding machine for unwinding the rubber band wound in a hemp rope style. When conveying rubber bands, each group of rubber band conveying devices respectively conveys a single rubber band to the strand roller on the hemp rope machine conductor frame, where the hemp rope machine winds it into a twist shape and outputs it to the transition roller through the guide rope wheel of the hemp rope machine. The transition roller guides the twisted rubber band to the hemp rope unwinding machine, which unwinds the rubber band onto two winding rods in the reverse operation mode of the hemp rope machine weaving. The two winding rods respectively convey a single rubber band to the middle layer of the composite roller group, wherein the hemp rope unwinding machine is a reverse operation device of the hemp rope machine.

2. A high-speed elastic waist compounding device, comprising a plurality of groups of elastic conveying devices, an upper non-woven fabric conveying device, a lower non-woven fabric conveying device, a composite roller group, a first gluing mechanism and a second gluing mechanism, wherein the elastics output by each group of elastic conveying devices are arranged at intervals and conveyed to the middle layer of the composite roller group, and the glue guns of the first gluing mechanism and the second gluing mechanism respectively spray glue on the pre-bonded surfaces of the upper non-woven fabric and the lower non-woven fabric conveyed by the upper non-woven fabric conveying device and the lower non-woven fabric conveying device, and the upper non-woven fabric and the lower non-woven fabric after the glue spraying are respectively conveyed to the upper layer and the lower layer of the composite roller group, and the composite roller group presses the glue-sprayed upper non-woven fabric, the middle layer elastic and the glue-sprayed lower layer non-woven fabric to form an elastic waist; characterized in that: each group of elastic conveying devices comprises a first elastic conveying unit The invention discloses a hemp rope unwinding machine for unwinding the rubber rope wound in hemp rope style, wherein the first rubber rope conveying unit and the second rubber rope conveying unit respectively convey a single rubber rope to the strand roller on the wire frame of the hemp rope machine, the hemp rope machine braids the two rubber ropes conveyed by the first rubber rope conveying unit and the second rubber rope conveying unit into a twisted shape, and the guide rope wheel of the hemp rope machine outputs the twisted rubber rope to the transition roller without winding it up, the transition roller guides the twisted rubber rope to the hemp rope unwinding machine, unwinds the twisted rubber rope onto the two winding rods of the hemp rope unwinding machine in the reverse operation of the hemp rope machine, and the two winding rods of the hemp rope unwinding machine respectively convey a single rubber rope to the middle layer of the composite roller group.

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