CN210792125U - Ultrasonic welding device - Google Patents
Ultrasonic welding device Download PDFInfo
- Publication number
- CN210792125U CN210792125U CN201921478698.2U CN201921478698U CN210792125U CN 210792125 U CN210792125 U CN 210792125U CN 201921478698 U CN201921478698 U CN 201921478698U CN 210792125 U CN210792125 U CN 210792125U
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- disposable absorbent
- ultrasonic welding
- ultrasonic
- absorbent sanitary
- compression roller
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- Lining Or Joining Of Plastics Or The Like (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The utility model discloses an ultrasonic welding device, which is used for welding disposable absorbent sanitary products and comprises an ultrasonic vibration component which is fixedly arranged on a transmission path of the disposable absorbent sanitary products, wherein the ultrasonic vibration component comprises an ultrasonic welding head which acts on the surface of the disposable absorbent sanitary products; the compression roller is matched with the ultrasonic welding head to realize welding of the disposable absorbent sanitary product and can rotate around the axial direction of the compression roller, and the movable supporting piece is used for supporting the compression roller to enable the compression roller to rotate relative to the movable supporting piece; and the pressure stabilizing component drives the movable supporting piece to move back and forth so as to adjust the gap between the pressing roller and the ultrasonic welding head. The utility model discloses can reduce the consumption of ultrasonic vibration subassembly, improve the operating stability of system, but wide application in the manufacturing field of disposable absorbent sanitary goods.
Description
Technical Field
The utility model belongs to the technical field of disposable absorbent sanitary goods processing technique and specifically relates to a be used for carrying out welded ultrasonic welding device to disposable absorbent sanitary goods.
Background
The disposable absorbent hygiene articles are typically butt-joined at the joints in a welded fashion, which is not only cost effective, but also facilitates a mechanized, continuous process, thereby increasing the efficiency of the process. Ultrasonic welding is widely used as a means of welding disposable absorbent hygiene products, having the advantages of high welding efficiency and good welding effect. The ultrasonic welding device mainly comprises a welding head and a compression roller matched with the welding head, and the welding of the disposable absorbent sanitary product is realized through the matching of the welding head and the compression roller. The compression roller and the welding head exert certain pressure on the disposable absorbent sanitary product, so that the reliability of welding can be ensured. The pressure is too high, so that the power consumption of the whole device is increased, and the stability and the service life of the device are influenced; if the pressure is small, the strength requirement of welding can not be met. Therefore, the pressure control between the welding head and the press roll is the key influencing the operation of the equipment, and the existing devices are all provided with a micro-gap control device for adjusting the pressure during welding, thereby greatly increasing the manufacturing and using cost of the structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ultrasonic welding device, the device can improve the local pressure of disposable absorbent health goods when welding, required pressure value when reducing the welding to reduce the power and the energy consumption of ultrasonic vibration subassembly, improve equipment operation's stability and reduction in production cost.
The utility model provides a technical scheme that its technical problem adopted is: an ultrasonic welding device for welding disposable absorbent hygiene articles, comprising:
an ultrasonic vibration assembly fixedly disposed on a transport path of the disposable absorbent hygiene article, the ultrasonic vibration assembly comprising an ultrasonic horn that acts on a surface of the disposable absorbent hygiene article;
the compression roller is matched with the ultrasonic welding head to realize the welding of the disposable absorbent sanitary product and can rotate around the self axial direction, the disposable absorbent sanitary product passes through the middle of the ultrasonic welding head and the compression roller, and the ultrasonic welding head and the compression roller respectively act on two sides of the disposable absorbent sanitary product with certain pressure to realize the welding of the disposable absorbent sanitary product;
a moving support for supporting the pressing roller such that the pressing roller can rotate relative to the moving support;
the pressure stabilizing component drives the movable supporting piece to move back and forth to adjust the gap between the pressing roller and the ultrasonic welding head, so that the pressing roller can act on the disposable absorbent sanitary product with certain pressure when the disposable absorbent sanitary product is welded, and the welding of the disposable absorbent sanitary product is finished.
Further, the ultrasonic vibration assembly further comprises an amplitude amplifier and an energy converter which are fixedly connected with the ultrasonic welding head, and the ultrasonic welding head swings back and forth along the axial direction of the pressing roller and is vertical to the conveying direction of the disposable absorbent sanitary product.
Preferably, the welding surface of the ultrasonic welding head contacted with the disposable absorbent sanitary product is a plane structure.
In order to improve the local pressure of a welding point during welding and meet the pressure intensity required by welding, the surface of the press roll is provided with a pattern structure.
Preferably, the pressure stabilizing part is a pressure cylinder arranged at one end of the movable supporting piece far away from the press roll, and the movable end of the pressure cylinder is fixedly connected with the movable supporting piece.
In order to ensure the welding quality, when the disposable absorbent sanitary product is welded, the pressure value provided by the pressure cylinder is 200-800N.
In order to ensure the moving precision of the moving support piece, a guide rail is further arranged, and the moving support piece moves back and forth along the guide rail.
Furthermore, the movable support piece and one end of the compression roller are symmetrically provided with two compression roller supporting pieces, the compression roller is arranged between the two compression roller supporting pieces, the compression roller is provided with a driving shaft along the self axial direction, the compression roller supporting pieces are fixedly provided with rotating bearings, the driving shaft is rotatably arranged on the rotating bearings, and the driving shaft is connected with a driving part for driving the compression roller to rotate.
Preferably, the diameter range of the press roll is 80-150 mm, and the thickness range is 30-70 mm.
The utility model has the advantages that: the utility model discloses a structure of adjustment compression roller designs into cylindrically with the compression roller, compares with traditional concora crush formula structure, has the characteristics little with ultrasonic bonding tool area of contact. The pressure required for welding can be reduced while satisfying the welding pressure of the disposable absorbent sanitary article. After the pressure of the compression roller on the ultrasonic welding head is reduced, the output power required by the corresponding ultrasonic welding head is also reduced, so that the power consumption of the ultrasonic welding head is reduced. Because welding pressure is little, and the ultrasonic bonding tool is kept away from the risk of transshipping, consequently, the compression roller can not lead to the ultrasonic vibration subassembly to transship on the ultrasonic bonding tool under certain pressure effect all the time when the welding to avoid micro-gap control device's use, reduced the manufacturing and the use cost of equipment. Meanwhile, the ultrasonic vibration component is always in a safe working range, so that the system is more stable in operation. In addition, the disposable absorbent sanitary article has a constant welding pressure during continuous welding, which helps to ensure consistency of welding strength and improve welding quality.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a top view of the present invention.
Detailed Description
Example, as shown in fig. 1 and 2, an ultrasonic welding apparatus for welding disposable absorbent sanitary articles comprises an ultrasonic vibration module fixedly disposed on a conveying path of the disposable absorbent sanitary articles, the ultrasonic vibration module comprising an ultrasonic horn 1 acting on a surface of the disposable absorbent sanitary articles, the disposable absorbent sanitary articles passing through a welding surface of the ultrasonic horn 1. An amplitude amplifier 7 fixedly connected with the ultrasonic welding head 1 and an energy converter 8 connected with the amplitude amplifier 7. Under the action of the amplitude booster 7 and the energy converter 8, the ultrasonic horn 1 vibrates at high speed. The welding surface of the ultrasonic welding head 1 contacting with the disposable absorbent sanitary product is of a plane structure, the whole plane is of a rectangular structure, the direction of the long edge is perpendicular to the conveying direction of the disposable absorbent sanitary product, and when the disposable absorbent sanitary product is welded, the ultrasonic welding head vibrates back and forth at a high speed along the long edge direction, as shown by an arrow above the ultrasonic welding head in fig. 2.
The ultrasonic welding device is also provided with a compression roller 2 which is matched with the ultrasonic welding head 1 to realize the welding of the disposable absorbent sanitary product, and the compression roller 2 can axially rotate around the compression roller, as shown by an arrow on the compression roller in figure 2; the disposable absorbent sanitary product passes through the middle of the ultrasonic wave welding head 1 and the compression roller 2, and the ultrasonic wave welding head 1 and the compression roller 2 respectively act on two sides of the disposable absorbent sanitary product with certain pressure to realize the welding of the disposable absorbent sanitary product.
The rotatable support of compression roller 2 is on removing support piece 3, and the one end symmetry that removes support piece 3 and compression roller 2 complex is provided with two compression roller backing sheets 31, compression roller 2 arranges in between two compression roller backing sheets 31, compression roller 2 is provided with drive shaft 21 along self axial, fixed rolling bearing 4 that is provided with on the compression roller backing sheet 31, the rotatable installation of drive shaft 21 is on rolling bearing 4, drive shaft 21 connects and is provided with the drive assembly (not marked in the figure) that drives compression roller 2 pivoted, the preferred driving motor of drive assembly.
In order to ensure that the compression roller 2 provides continuous pressure for the disposable absorbent sanitary product during welding, the movable supporting piece is connected with the pressure stabilizing part 5, the pressure stabilizing part 5 drives the movable supporting piece 3 to move back and forth to adjust the gap between the compression roller 2 and the ultrasonic welding head 1, and the compression roller 2 acts on the disposable absorbent sanitary product with certain pressure when the disposable absorbent sanitary product is welded, so that the welding of the disposable absorbent sanitary product is completed. During welding, the ultrasonic horn 1 swings back and forth along the axial direction of the press roll 2 and is perpendicular to the conveying direction of the disposable absorbent sanitary article. The pressure stabilizing part 5 is a pressure cylinder which is arranged at one end of the movable support piece 3 far away from the press roller 2, the movable end of the pressure cylinder is fixedly connected with the movable support piece 3, and the movable end of the pressure cylinder stretches back and forth to drive the movable support piece 3 to move back and forth, so that the gap between the press roller 2 and the ultrasonic welding head 1 is adjusted. In order to ensure that the moving support 3 moves back and forth along a set direction and prevent the moving track from deviating, a guide rail 6 is arranged below the moving support 3.
The diameter range of the compression roller 2 is 80-150 mm, and the thickness range is 30-70 mm. The surface of the compression roller 2 is provided with the pattern structure 22, when the disposable absorbent sanitary product is welded, the pressure of the compression roller 2 is finely adjusted by the pattern structure 22, so that the pressure of the compression roller 2 on the disposable absorbent sanitary product is always kept in a required range, the use of a micro-gap control device by equipment is reduced, and the manufacturing cost of the equipment is effectively reduced. When the disposable absorbent sanitary product is welded, the pressure value provided by the pressure cylinder is 200-800N, namely, the pressure of the compression roller 2 on the disposable absorbent sanitary product is 200-800N during welding.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (10)
1. An ultrasonic welding device for welding disposable absorbent hygiene articles, characterized by comprising:
an ultrasonic vibration assembly fixedly disposed on a transport path of the disposable absorbent hygiene article, the ultrasonic vibration assembly comprising an ultrasonic horn that acts on a surface of the disposable absorbent hygiene article;
the compression roller is matched with the ultrasonic welding head to realize the welding of the disposable absorbent sanitary product and can rotate around the self axial direction, the disposable absorbent sanitary product passes through the middle of the ultrasonic welding head and the compression roller, and the ultrasonic welding head and the compression roller act on the disposable absorbent sanitary product with certain pressure to realize the welding of the disposable absorbent sanitary product;
a moving support for supporting the pressing roller such that the pressing roller can rotate relative to the moving support;
the pressure stabilizing component drives the movable supporting piece to move back and forth to adjust the gap between the pressing roller and the ultrasonic welding head, so that the pressing roller can act on the disposable absorbent sanitary product with certain pressure when the disposable absorbent sanitary product is welded, and the welding of the disposable absorbent sanitary product is finished.
2. An ultrasonic welding apparatus as defined in claim 1, wherein: the ultrasonic vibration assembly also comprises an amplitude amplifier fixedly connected with the ultrasonic welding head and an energy converter connected to the amplitude amplifier.
3. An ultrasonic welding apparatus as defined in claim 1, wherein: the ultrasonic horn oscillates back and forth along the axial direction of the pressure roller and is perpendicular to the direction of conveyance of the disposable absorbent hygiene article.
4. An ultrasonic welding apparatus as defined in claim 1, wherein: the welding surface of the ultrasonic welding head, which is contacted with the disposable absorbent sanitary product, is of a plane structure.
5. An ultrasonic welding apparatus as defined in claim 1, wherein: the surface of the compression roller is provided with a pattern structure.
6. An ultrasonic welding apparatus as defined in claim 1, wherein: the pressure stabilizing component is a pressure cylinder arranged at one end of the movable supporting piece far away from the press roller, and the movable end of the pressure cylinder is fixedly connected with the movable supporting piece.
7. An ultrasonic welding apparatus as defined in claim 6, wherein: when the disposable absorbent sanitary product is welded, the pressure value provided by the pressure cylinder is 200-800N.
8. An ultrasonic welding apparatus as defined in claim 1, wherein: a guide rail is also provided along which the moving support moves back and forth.
9. An ultrasonic welding apparatus as defined in claim 1, wherein: the movable support piece is symmetrically provided with two press roll supporting pieces at one end matched with the press roll, the press roll is arranged between the two press roll supporting pieces, the press roll is axially provided with a driving shaft along the self direction, the press roll supporting pieces are fixedly provided with rotating bearings, the driving shaft is rotatably arranged on the rotating bearings, and the driving shaft is connected with a driving part for driving the press roll to rotate.
10. An ultrasonic welding apparatus as defined in claim 1, wherein: the diameter range of the compression roller is 80-150 mm, and the thickness range of the compression roller is 30-70 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478698.2U CN210792125U (en) | 2019-09-05 | 2019-09-05 | Ultrasonic welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478698.2U CN210792125U (en) | 2019-09-05 | 2019-09-05 | Ultrasonic welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210792125U true CN210792125U (en) | 2020-06-19 |
Family
ID=71246150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921478698.2U Active CN210792125U (en) | 2019-09-05 | 2019-09-05 | Ultrasonic welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210792125U (en) |
-
2019
- 2019-09-05 CN CN201921478698.2U patent/CN210792125U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 18 No. 245000, Penglai Road, Huangshan City Economic Development Zone, Anhui Patentee after: Huangshan Futian Precision Manufacturing Co., Ltd Address before: 245000 Huangshan City Economic Development Zone, Anhui Patentee before: HUANGSHAN FUTIAN JINGGONG MANUFACTURING Co.,Ltd. |