阅读说明：本技术 一种纸尿裤腰围橡筋成型装置及成型工艺 (Paper diaper waistline rubber band forming device and forming process ) 是由 李志彪 钟磊 吴丽君 于 2019-11-04 设计创作，主要内容包括：本发明提出了一种纸尿裤腰围橡筋成型装置及成型工艺,该成型装置包括将无纺布卷进行输送的外层无纺布输出装置、将无纺布卷进行输送的内层无纺布输出装置、将各橡筋卷上的橡筋拉出按一定间距横向并排同时输送的橡筋进料装置、复合装置和超声波焊接粘合辊,所述外层无纺布输出装置、橡筋进料装置、内层无纺布输出装置分别将外层无纺布、间距排布的多条橡筋、内层无纺布输送至复合装置中,所述复合装置将自上至下依次排布的外层无纺布、多条橡筋、内层无纺布进行覆合后,输送至超声波焊接粘合辊内进行焊接粘合成型,该成型工艺可以避免热熔胶的使用,能够降低生产成本,提高生产效率。(The invention provides a paper diaper waistline rubber band forming device and a forming process, the forming device comprises an outer non-woven fabric output device for conveying non-woven fabric rolls, an inner non-woven fabric output device for conveying the non-woven fabric rolls, a rubber band feeding device for pulling out rubber bands on the rubber band rolls and conveying the rubber bands side by side transversely at a certain interval, a compounding device and an ultrasonic welding bonding roller, the outer non-woven fabric output device, the rubber band feeding device and the inner non-woven fabric output device respectively convey outer non-woven fabrics, a plurality of rubber bands distributed at intervals and inner non-woven fabrics into the compounding device, the compounding device conveys the outer non-woven fabrics, the plurality of rubber bands and the inner non-woven fabrics which are sequentially distributed from top to bottom into the ultrasonic welding bonding roller for welding bonding and forming, the forming process can avoid the use of hot melt adhesive and can reduce the production cost, the production efficiency is improved.)

1. The utility model provides a panty-shape diapers waistline rubber band forming device which characterized in that: including the outer non-woven fabrics output device who carries on the non-woven fabrics book, carry on the non-woven fabrics book the inlayer non-woven fabrics output device who carries, with the rubber band that each rubber band was rolled up and pull out according to the rubber band feed arrangement (6), set composite (5) and ultrasonic bonding roller (7) that certain interval was transversely carried side by side simultaneously, outer non-woven fabrics output device, rubber band feed arrangement (6), inlayer non-woven fabrics output device carry outer non-woven fabrics, many rubber bands that the interval was arranged, inlayer non-woven fabrics to set composite (5) respectively, set composite (5) will from last to carry out the back that closes to outer non-woven fabrics, many rubber bands, the inlayer non-woven fabrics of arranging in proper order down, carry and carry out the welding bonding shaping in ultrasonic bonding roller (7).

2. The device for forming the rubber band at the waist of the paper diaper as claimed in claim 1, wherein: outer non-woven fabrics output device includes second feeding carry over pinch rolls (8), second grade tension roller (9), the second that sets gradually along non-woven fabrics direction of delivery and rectifies ware (10), inlayer non-woven fabrics output device includes first feeding carry over pinch rolls (1), first second grade tension roller (2) and first rectifying ware (3) and first carry over pinch rolls (41) that set gradually along non-woven fabrics direction of delivery, rubber band feed arrangement (6) are including decoiling mechanism and rubber band guide pulley, decoiling mechanism and rubber band guide pulley are arranged many rubber bands simultaneously according to certain elasticity and interval respectively to carry to in set composite (5) through second carry over pinch rolls (42).

3. The device for forming the rubber band at the waist of the paper diaper as claimed in claim 2, wherein: first rectifying device (3) include runing rest (31), set up two live-rollers (32) on runing rest (31) and pushing mechanism (33), pushing mechanism (33) are connected with control electrical apparatus, first rectifying device (3) are the same with the structure of second rectifying device (10).

4. The device for forming the rubber band at the waist of the paper diaper as claimed in claim 2, wherein: first second grade tension roller (2) are including support (21), pendulum rod (22), free roller (23) and balancing weight (24), rotatable the installing on support (21) of pendulum rod (22), the one end of pendulum rod (22) is equipped with balancing weight (24), and the other end of pendulum rod (22) has a plurality of free roller (23) along its length direction upward interval arrangement, first second grade tension roller (2) are the same with the structure of second grade tension roller (9).

5. The device for forming the rubber band at the waist of the paper diaper as claimed in claim 1, wherein: the composite device (5) comprises a refrigerating roller (51) and two cylinder pressing wheels (52) symmetrically arranged on the left side and the right side of the refrigerating roller (51), the pressure between the cylinder pressing wheels (52) and the refrigerating roller (51) can be adjusted, and the refrigerating roller (51) and the cylinder pressing wheels (52) on the two sides cover inner non-woven fabrics, outer non-woven fabrics and rubber bands.

6. The device for forming the rubber band at the waist of the paper diaper as claimed in claim 1, wherein: ultrasonic bonding roller (7) are including last bonding roller and lower bonding roller (72), upward be equipped with ultrasonic bonding tool (71) on the bonding roller, the periphery equipartition of bonding roller (72) down has the convex block group of interval setting, forms bayonet socket (720) that supply the rubber band to pass between arbitrary two adjacent convex block groups, bayonet socket (720) are wavy.

7. A paper diaper waistline rubber band forming process is characterized in that: the method specifically comprises the following steps:

step A, discharging outer-layer non-woven fabrics through an off-line active unwinding mechanism, an automatic material changing and receiving device and a tension swing rod, and paving the outer-layer non-woven fabrics at the bottommost layer after the outer-layer non-woven fabrics enter a forming device host machine and sequentially pass through a second feeding traction roller (8), a second secondary tension roller (9) and a second deviation rectifier (10);

b, respectively arranging a plurality of rubber bands above the outer-layer non-woven fabric according to a certain tightness and a certain distance through an uncoiling mechanism and a rubber band guide wheel;

c, placing the inner-layer non-woven fabric through an off-line active unreeling mechanism, an automatic material changing and receiving and a tension swing rod, and laying the inner-layer non-woven fabric above the rubber bands through a first feeding traction roller (1), a first secondary tension roller (2) and a first deviation rectifier (3) after the inner-layer non-woven fabric enters the host;

and D, combining the inner-layer non-woven fabric, the plurality of rubber bands and the outer-layer non-woven fabric through a compounding device (5), conveying the combined materials into an ultrasonic welding bonding roller (7) for welding bonding, and finally leading out the bonded materials through a discharging traction roller (11).

8. The process for forming the rubber band at the waist of the paper diaper as claimed in claim 7, wherein: the rubber band is stretched to a certain stretching ratio by an uncoiling mechanism and a rubber band guide wheel, the stretching range is 2-4 times, and the diameter of the stretched rubber band is changed to be 0.5-0.7 time of the original diameter.

9. The process for forming the rubber band at the waist of the paper diaper as claimed in claim 7, wherein: the lower bonding roller (72) of the ultrasonic bonding roller (7) is provided with a plurality of groups of convex block groups arranged at intervals, a bayonet (720) for the rubber band to pass through is formed between any two adjacent convex block groups, the width of the bayonet (720) is 0.7-0.9 times of the original diameter of the rubber band, and the rubber band is fixed by the ultrasonic bonding roller (7) according to the positions of the rubber band guide wheel and the bayonet (720).

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of paper diaper production, in particular to a paper diaper waistline rubber band forming device and a forming process.

[ background of the invention ]

Waistline rubber band is fixed to adopt the hot melt adhesive to hang basically in the existing market and scribble or the spraying is fixed, receives the gluey volume size influence, and the product can be harder, and the normal use of hot melt adhesive needs the heating moreover, can have certain smell, and the hot melt adhesive still is the long-term consumptive material, provides a panty-shape diapers waistline rubber band forming device and forming process now.

[ summary of the invention ]

The invention aims to solve the problems in the prior art and provides a device and a process for forming a rubber band of a paper diaper waistline, which can avoid the use of hot melt adhesive, reduce the production cost and improve the production efficiency.

In order to achieve the purpose, the invention provides a paper diaper waistline rubber band forming device which comprises an outer-layer non-woven fabric output device for conveying non-woven fabric rolls, an inner-layer non-woven fabric output device for conveying the non-woven fabric rolls, a rubber band feeding device for pulling out rubber bands on the rubber band rolls and conveying the rubber bands side by side transversely at certain intervals, a compounding device and an ultrasonic welding bonding roller.

As preferred, outer non-woven fabrics output device includes second feeding carry over pinch rolls, second grade tension roller, the second deviation rectifier that sets gradually along non-woven fabrics direction of delivery, inlayer non-woven fabrics output device includes first feeding carry over pinch rolls, first second grade tension roller and first deviation rectifier and the first carry over pinch rolls that set gradually along non-woven fabrics direction of delivery, rubber band feed arrangement includes unwinding mechanism and rubber band guide pulley, unwinding mechanism and rubber band guide pulley are arranged many rubber bands simultaneously according to certain elasticity and interval respectively to carry to the set composite through the second carry over pinch rolls in.

Preferably, the first deviation rectifier comprises a rotating support, two rotating rollers arranged on the rotating support and a pushing mechanism, the pushing mechanism is connected with the control electrical appliance, and the first deviation rectifier and the second deviation rectifier are identical in structure.

Preferably, the first secondary tension roller comprises a support, a swing rod, free rollers and a balancing weight, the swing rod is rotatably mounted on the support, the balancing weight is arranged at one end of the swing rod, a plurality of free rollers are arranged at intervals at the other end of the swing rod along the length direction of the swing rod, and the first secondary tension roller and the second secondary tension roller are identical in structure.

Preferably, the composite device comprises a refrigerating roller and two air cylinder pinch rollers symmetrically arranged on the left side and the right side of the refrigerating roller, the air cylinder pinch rollers can adjust the pressure between the air cylinder pinch rollers and the refrigerating roller, and the refrigerating roller and the air cylinder pinch rollers on the two sides cover and combine the inner non-woven fabric, the outer non-woven fabric and the rubber band.

Preferably, the ultrasonic welding bonding roller comprises an upper bonding roller and a lower bonding roller, an ultrasonic welding head is arranged on the upper bonding roller, a plurality of groups of convex block groups arranged at intervals are uniformly distributed on the periphery of the lower bonding roller, a bayonet for rubber strings to pass through is formed between any two adjacent convex block groups, and the bayonet is wavy.

A paper diaper waistline rubber band forming process specifically comprises the following steps:

step A, discharging outer-layer non-woven fabrics through an off-line active unwinding mechanism, an automatic material changing and receiving device and a tension swing rod, and paving the outer-layer non-woven fabrics at the bottommost layer through a second feeding traction roller, a second secondary tension roller and a second deviation rectifier after the outer-layer non-woven fabrics enter a forming device host;

b, respectively arranging a plurality of rubber bands above the outer-layer non-woven fabric according to a certain tightness and a certain distance through an uncoiling mechanism and a rubber band guide wheel;

c, discharging the inner-layer non-woven fabric through an off-line active unwinding mechanism, an automatic material changing and receiving and a tension swing rod, and paving the inner-layer non-woven fabric above the rubber bands through a first feeding traction roller, a first secondary tension roller and a first deviation rectifier after the inner-layer non-woven fabric enters the host;

and D, combining the inner-layer non-woven fabric, the plurality of rubber bands and the outer-layer non-woven fabric through a combining device, conveying the combined materials to an ultrasonic welding bonding roller for welding bonding, and finally leading out the bonded raw materials through a discharging traction roller.

Preferably, the rubber band is stretched to a certain stretching ratio through the uncoiling mechanism and the rubber band guide wheel, the stretching range is 2-4 times, and the diameter of the stretched rubber band is changed to 0.5-0.7 time of the original diameter.

Preferably, a plurality of groups of convex block groups arranged at intervals are arranged on the lower bonding roller of the ultrasonic bonding roller, a bayonet for the rubber band to pass through is formed between any two adjacent convex block groups, the width of the bayonet is 0.7-0.9 times of the original diameter of the rubber band, and the rubber band is fixed by the ultrasonic bonding roller according to the positions of the rubber band guide wheel and the bayonet.

The invention has the beneficial effects that: according to the invention, the outer-layer non-woven fabric output device, the rubber band feeding device and the inner-layer non-woven fabric output device can convey the outer-layer non-woven fabric, the plurality of rubber bands distributed at intervals and the inner-layer non-woven fabric into the compounding device, and the outer-layer non-woven fabric, the plurality of rubber bands distributed at intervals and the inner-layer non-woven fabric are conveyed into the ultrasonic welding bonding roller for welding bonding and forming after being coated by the compounding device, so that the use of hot melt adhesive can be avoided.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic flow chart of a process for forming a rubber band at the waist of a paper diaper;

FIG. 2 is a schematic view of a first secondary tension roller of the device for forming the rubber band at the waist of the paper diaper;

FIG. 3 is a schematic view of a first deviation corrector of the device for forming the rubber band at the waist of the paper diaper;

fig. 4 is a schematic plan view of a lower bonding roller of the device for forming the rubber band at the waist of the paper diaper.

[ detailed description ] embodiments

Referring to fig. 1 to 4, the invention relates to a paper diaper waistline rubber band forming device, which comprises an outer non-woven fabric output device for conveying non-woven fabric rolls, an inner non-woven fabric output device for conveying non-woven fabric rolls, a rubber band feeding device 6 for pulling out rubber bands on the rubber band rolls and conveying the rubber bands side by side transversely according to a certain interval, a compounding device 5 and an ultrasonic welding bonding roller 7, wherein the outer non-woven fabric output device, the rubber band feeding device 6 and the inner non-woven fabric output device respectively convey outer non-woven fabrics, a plurality of rubber bands distributed at intervals and inner non-woven fabrics into the compounding device 5, and the compounding device 5 covers the outer non-woven fabrics, the plurality of rubber bands and the inner non-woven fabrics sequentially distributed from top to bottom and conveys the outer non-woven fabrics, the plurality of rubber bands and the inner non-woven fabrics into. Outer non-woven fabrics output device includes second feeding carry over pinch rolls 8, second grade tension roller 9, the second deviation rectifier 10 that sets gradually along non-woven fabrics direction of delivery, inlayer non-woven fabrics output device includes first feeding carry over pinch rolls 1, first second grade tension roller 2 and first deviation rectifier 3 and the first carry over pinch rolls 41 that set gradually along non-woven fabrics direction of delivery, rubber band feed arrangement 6 includes unwinding mechanism and rubber band guide pulley, unwinding mechanism and rubber band guide pulley are arranged many rubber bands simultaneously according to certain elasticity and interval respectively to carry to set 5 in to compound device through second carry over pinch rolls 42.

Further, the first deviation rectifier 3 comprises a rotating bracket 31, two rotating rollers 32 arranged on the rotating bracket 31, and a pushing mechanism 33, wherein the pushing mechanism 33 is connected with a control electrical appliance, and the first deviation rectifier 3 and the second deviation rectifier 10 have the same structure.

Further, first second level tension roller 2 includes support 21, pendulum rod 22, free roller 23 and balancing weight 24, the rotatable installation in support 21 of pendulum rod 22, the one end of pendulum rod 22 is equipped with balancing weight 24, and the other end of pendulum rod 22 has a plurality of free roller 23 along its length direction interval arrangement, first second level tension roller 2 is the same with second level tension roller 9's structure.

Further, the compound device 5 comprises a refrigerating roller 51 and two cylinder pressing wheels 52 symmetrically arranged on the left side and the right side of the refrigerating roller 51, the pressure between the cylinder pressing wheels 52 and the refrigerating roller 51 can be adjusted, and the refrigerating roller 51 and the cylinder pressing wheels 52 on the two sides cover the inner non-woven fabric, the outer non-woven fabric and the rubber band.

Further, the ultrasonic welding bonding roller 7 comprises an upper bonding roller and a lower bonding roller 72, an ultrasonic welding head 71 is arranged on the upper bonding roller, convex block groups arranged at intervals are uniformly distributed on the periphery of the lower bonding roller 72, a bayonet 720 for rubber bands to pass through is formed between any two adjacent convex block groups, and the bayonet 720 is wavy.

A paper diaper waistline rubber band forming process specifically comprises the following steps:

step A, discharging outer-layer non-woven fabrics through an off-line active unwinding mechanism, an automatic material changing and receiving and a tension swing rod, and paving the outer-layer non-woven fabrics at the bottommost layer through a second feeding traction roller 8, a second secondary tension roller 9 and a second deviation rectifier 10 after the outer-layer non-woven fabrics enter a forming device host;

b, respectively arranging a plurality of rubber bands above the outer-layer non-woven fabric according to a certain tightness and a certain distance through an uncoiling mechanism and a rubber band guide wheel; the rubber band is stretched to a certain stretching ratio by an uncoiling mechanism and a rubber band guide wheel, the stretching range is 2-4 times, and the diameter of the stretched rubber band is changed to be 0.5-0.7 time of the original diameter;

c, discharging the inner-layer non-woven fabric through an off-line active unwinding mechanism, an automatic material changing and receiving and a tension swing rod, and paving the inner-layer non-woven fabric above the rubber bands through a first feeding traction roller 1, a first secondary tension roller 2 and a first deviation rectifier 3 after the inner-layer non-woven fabric enters the host;

and D, combining the inner-layer non-woven fabric, the plurality of rubber bands and the outer-layer non-woven fabric through a combining device 5, conveying the combined materials into an ultrasonic welding bonding roller 7 for welding and bonding, and finally leading out the bonded raw materials through a discharging traction roller 11.

Furthermore, a plurality of groups of convex block groups arranged at intervals are arranged on the lower bonding roller 72 of the ultrasonic bonding roller 7, a bayonet 720 for the rubber band to pass through is formed between any two adjacent convex block groups, the width of the bayonet 720 is 0.7-0.9 times of the original diameter of the rubber band, and the rubber band is fixed by the ultrasonic bonding roller 7 according to the positions of the rubber band guide wheel and the bayonet 720.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.