CN210792124U - Disposable absorbent sanitary product ultrasonic welding device - Google Patents
Disposable absorbent sanitary product ultrasonic welding device Download PDFInfo
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- CN210792124U CN210792124U CN201921478697.8U CN201921478697U CN210792124U CN 210792124 U CN210792124 U CN 210792124U CN 201921478697 U CN201921478697 U CN 201921478697U CN 210792124 U CN210792124 U CN 210792124U
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Abstract
The utility model discloses an ultrasonic welding device for disposable absorbent sanitary products, which comprises a rotary supporting component, a welding device and a welding device, wherein the rotary supporting component is used for supporting the disposable absorbent sanitary products which rotate together with the rotary supporting component; a group of ultrasonic vibrators and welding anvils which are arranged along the circumferential direction of the rotary supporting part and rotate along with the rotary supporting part and are mutually matched to complete the welding of the disposable absorbent sanitary product; the ultrasonic vibrator is of a cylindrical structure, the part, matched with the ultrasonic vibrator, of the welding anvil is of a planar structure, the ultrasonic vibrator does reciprocating motion on the welding anvil during welding and rolls along the axis direction of the ultrasonic vibrator, and meanwhile the ultrasonic vibrator does high-frequency vibration along the radial direction of the ultrasonic vibrator. The utility model discloses can reduce the output of ultrasonic vibrator, reduce the consumption of ultrasonic vibrator, improve the life of ultrasonic vibrator, simultaneously, reduce the number of times of plant maintenance, reduce the maintenance cost, but wide application in the ultrasonic bonding field of disposable absorbent sanitary ware.
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 sanitary goods.
Background
The disposable sanitary products are usually butt jointed at the joint in a welding mode, which not only has low cost, but also facilitates the mechanical continuous processing, thereby improving the processing efficiency. Ultrasonic welding is widely used as a way of welding disposable sanitary products, and has the advantages of high welding efficiency and good effect. The ultrasonic welding device mainly comprises a welding head and a pressing roller matched with the welding head, and the welding of the disposable sanitary product is realized through the matching of the welding head and the pressing roller. The existing structure adopts the ultrasonic welding head which does ultrasonic vibration and the compression roller which does pure rolling to realize the fusion welding of the materials clamped between the welding head and the compression roller. The welding head of the structure is heavy, so that the energy consumption required by ultrasonic vibration generated by the welding head is high, the power of the ultrasonic device needs to be increased, the welding pressure requirement on the material during welding can be met, the power consumption of equipment can be increased, and meanwhile, the service life of the ultrasonic device can be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a disposable absorbent sanitary product ultrasonic bonding device, it is big to solve current ultrasonic bonding device consumption, problem that life is short.
The utility model provides a technical scheme that its technical problem adopted is: an ultrasonic welding device for disposable absorbent sanitary products, which is used for welding the disposable absorbent sanitary products and is characterized in that: comprises a rotary supporting component for supporting the disposable absorbent sanitary product which rotates together with the rotary supporting component;
a group of ultrasonic vibrators and welding anvils which are arranged along the circumferential direction of the rotary supporting part and rotate along with the rotary supporting part and are mutually matched to complete the welding of the disposable absorbent sanitary product; the ultrasonic vibrator is of a cylindrical structure, the part of the welding anvil matched with the ultrasonic vibrator is of a planar structure, the ultrasonic vibrator does reciprocating motion on the welding anvil and rolls along the axis direction of the ultrasonic vibrator during welding, and meanwhile, the ultrasonic vibrator does high-frequency vibration along the radial direction of the ultrasonic vibrator;
the fixed support piece is used for supporting the ultrasonic vibrator and the welding anvil and is fixed on the rotary support component;
and the pressure providing component is arranged on the fixed support and is used for providing continuous pressure for the ultrasonic vibrator during welding so as to complete the welding of the disposable absorbent sanitary product.
Further, the rotary support member comprises a set of support plates arranged in the circumferential direction for supporting the disposable absorbent sanitary article, and the welding anvil is arranged between two adjacent support plates; the planar structure of the welding anvil matched with the ultrasonic vibrator is a strip-shaped plane, the width of the strip-shaped plane is matched with the thickness of the ultrasonic vibrator, and the long side direction of the strip-shaped plane is the same as the axis direction of the rotary supporting component.
Furthermore, a movable support piece is arranged on the fixed support piece and reciprocates along the axis direction of the rotary support piece; the ultrasonic vibrator and the welding anvil are mounted on the movable support member and reciprocate along the axial direction of the rotary support member together with the movable support member.
Preferably, in order to conveniently realize the movement of the movable support piece and simultaneously drive the ultrasonic vibrator to rotate, a first rotating shaft and a second rotating shaft are arranged on the movable support piece, a first synchronous belt is arranged between the first rotating shaft and the second rotating shaft and positioned on one side of the movable support piece, and a connecting piece for fixing the first synchronous belt and the fixed support piece together is arranged between the first synchronous belt and the fixed support piece;
the other side of the movable support piece is provided with a swing arm, the swing arm is rotatably supported on the movable support piece, one end of the swing arm is fixedly connected with the pressure providing part, the other end of the swing arm is fixedly connected with the ultrasonic vibrator, and a second synchronous belt is arranged between the second rotating shaft and the ultrasonic vibrator.
In order to facilitate the installation and swing support of the swing arm, a rolling bearing is installed on the second rotating shaft, and the swing arm is rotatably supported on an outer ring of the rolling bearing.
Preferably, the pressure providing member is a pressure cylinder.
The utility model has the advantages that: the utility model discloses a cylindrical ultrasonic vibrator compares traditional cubic ultrasonic bonding tool, has small, light in weight's advantage, and consequently, ultrasonic vibrator produces that the required ultrasonic power of ultrasonic vibration is littleer than traditional ultrasonic bonding tool to reduce amplitude amplifier and energy converter's load, improve ultrasonic vibrator's life. The ultrasonic vibrator can vibrate along the radial direction and roll along the axial direction, so that the surface of the ultrasonic vibrator is not easy to generate the problem of material high-temperature welding agglomeration, thereby reducing the maintenance frequency of equipment and reducing the maintenance cost of the equipment. The ultrasonic vibrator is of a cylindrical structure, the part, matched with the ultrasonic vibrator, of the welding anvil is of a planar structure, when welding is conducted, the contact area is small, and under the same ultrasonic power load, the pressure intensity on the contact area is larger than that of a traditional pressure-maintaining type welding structure, so that the output power of ultrasonic waves can be reduced under the condition that the pressure intensity at the welding contact point meets the welding requirement, the energy consumption of ultrasonic waves is reduced, the running cost of equipment is reduced, and the service life of the equipment is prolonged. The pressure value between the ultrasonic vibrator and the welding anvil can be adjusted by the pressure providing component, so that the requirements of different products on welding pressure are met, and the application range of equipment is widened. Because the contact area is small when the ultrasonic vibrator is welded, when the welding pressure meets the welding requirement, the total required welding pressure is small, the welding pressure is small, and the corresponding required output power of the ultrasonic vibrator is reduced. Therefore, the pressure adjustable range of the ultrasonic vibrator is larger than that of the traditional ultrasonic welding head within the range of not exceeding the maximum output power of the ultrasonic vibrator, and the welding requirements of more products can be met.
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 position relation diagram of the ultrasonic vibrator and the welding anvil in a non-welding state according to the present invention.
Fig. 3 is a position relation diagram of the ultrasonic vibrator and the welding anvil in the welding state of the present invention.
Fig. 4 is a distribution diagram of the welded area and the non-welded area of the present invention in the circumferential direction of the rotation support member.
Fig. 5 is a side view of the ultrasonic vibrator according to the present invention.
Fig. 6 is a schematic view of the vibration direction of the middle ultrasonic vibrator according to the present invention.
Detailed Description
Example, as shown in fig. 1, an ultrasonic welding apparatus for a disposable absorbent sanitary article for welding the disposable absorbent sanitary article includes a rotary support member 1 for supporting the disposable absorbent sanitary article which rotates together with the rotary support member; the disposable absorbent sanitary article enters from the feed end of the rotary support member and exits from the discharge end of the rotary support member, and fusion bonding is performed on the rotary support member 1. The rotary support member 1 includes a plurality of support plates 101 arranged in a circumferential direction for supporting the disposable absorbent sanitary articles, and the rotary support member 1 rotates about a predetermined rotation axis (not shown).
A group of ultrasonic vibrators 2 and welding anvils 3 which are arranged along the circumferential direction of the rotary supporting component 1 and rotate along with the rotary supporting component 1 and are matched with each other to complete the welding of the disposable absorbent sanitary product; the welding anvil 3 is arranged between two adjacent support plates 101. The ultrasonic vibrator 2 is of a cylindrical structure, the part, matched with the ultrasonic vibrator 2, of the welding anvil 3 is of a plane structure, the plane structure is of a long strip shape, the width of the long strip shape plane is matched with the thickness of the ultrasonic vibrator 2, and the long edge direction of the long strip shape plane is the same as the axis direction of the rotary supporting component 1. The ultrasonic vibrator 2 reciprocates on the anvil 3 and rolls along its axial direction during welding, and at the same time, the ultrasonic vibrator 2 vibrates at a high frequency in its radial direction, as shown in fig. 3 and 6. The ultrasonic vibrator 2 and the welding anvil 3 are pressed against the disposable absorbent sanitary article passing therebetween, and the welding of the disposable absorbent sanitary article is completed.
The ultrasonic vibrator 2 and the welding anvil 3 are divided into a welding area and a non-welding area in a period of one rotation with the rotation support member 1, and in the welding area, the ultrasonic vibrator 2 and the welding anvil 3 reciprocate on the disposable absorbent sanitary product along the axial direction of the transmission circumference of the disposable absorbent sanitary product, as shown in fig. 3. In the non-welded zone, the ultrasonic vibrator 2 and the welding anvil 3 are detached from the disposable absorbent sanitary article and spaced apart from each other, as shown in fig. 2. The welding area and the non-welding area are continuous intervals, the included angle between the non-welding area and the circle center is 30-90 degrees, and the rest intervals are the welding areas, as shown in figure 4. The feed end and the discharge end of the disposable absorbent article are both located within the non-welding zone.
The specific link structure of the ultrasonic vibrator 2 and the welding anvil 3 with the rotation support member 1 is as follows:
a set of fixed supporting pieces 4 is arranged on the rotary supporting part 1, and the connection relationship of the single fixed supporting piece 4 is taken as an example: the fixed support 4 is provided with a movable support 5, and the movable support 5 reciprocates along the axial direction of the rotary support 1; the ultrasonic vibrator 2 is mounted on the moving support 5 to reciprocate in the axial direction of the rotary support 1 together with the moving support 5. Two sliding rails are arranged on the fixed supporting piece 4, and a sliding groove which is matched with the sliding rails and moves along the sliding rails is arranged at the bottom of the movable supporting piece 5. The movable support 5 comprises a support flat plate 501 at the bottom and a vertical mounting plate 502 positioned on the support flat plate 501, a first rotating shaft 6 and a second rotating shaft 7 are mounted on the vertical mounting plate 502, a first synchronous belt pulley 601 is arranged on the first rotating shaft 6, a second synchronous belt pulley 701 is arranged on the second rotating shaft 7, the first synchronous belt pulley 601 and the second synchronous belt pulley 701 are positioned on one side of the vertical mounting plate 502, a first synchronous belt 8 is arranged between the first synchronous belt pulley 601 and the second synchronous belt pulley 701, and a connecting piece (not marked in the figure) for fixing the first synchronous belt 8 and the fixed support 4 together is arranged between the first synchronous belt 8 and the fixed support 4, so that when the movable support 5 moves relative to the fixed support 4, the first rotating shaft 6 and the second rotating shaft 7 rotate under the action of the first synchronous belt 8.
The other end of the second rotating shaft 7 is provided with a third synchronous pulley 702, and the third synchronous pulley 702 is located on the other side of the vertical mounting plate 502 opposite to the second synchronous pulley 701. The second rotating shaft 7 is further provided with a rolling bearing 9, and the rolling bearing 9 is installed on the vertical installation plate 502 in a rolling mode. The vertical mounting plate 502 is further provided with a swing arm 10 on one side of the third synchronous pulley 702, a mounting hole is formed in the middle of the swing arm 10, and the swing arm 10 is sleeved on the outer ring of the rolling bearing 9 through the mounting hole and can rotate around the rolling bearing 9. The rotation supporting point of the swing arm 10 on the vertical mounting plate 502 is not limited to be arranged on the rolling bearing 9, and an independent rotation supporting shaft can be arranged on the vertical mounting plate 502 to enable the swing arm 10 to rotate around the rotation supporting shaft.
An ultrasonic assembly is rotatably mounted at one end of the swing arm 10 close to the rotary support part 1, and as shown in fig. 5, the ultrasonic assembly comprises an ultrasonic vibrator 2, an amplitude amplifier 11 and an energy converter 12 which are coaxially arranged with the ultrasonic vibrator 2 and fixedly connected together. A second synchronous belt 13 is arranged between the third synchronous belt pulley 702 and the ultrasonic wave component, and the second rotating shaft 7 rotates to drive the ultrasonic wave component to rotate, so that the ultrasonic wave oscillator 2 rotates. The swing arm 10 is kept away from the one end connection of rotation support part 1 and is provided with pressure providing part 14, preferred pressure cylinder, pressure cylinder's expansion end and swing arm 10 fixed connection, and pressure cylinder's stiff end fixed mounting drives swing arm 10 through the flexible of pressure cylinder expansion end and rotates around antifriction bearing 9 on removing support piece 5 to the upper and lower position of adjustment swing arm 10 other end ultrasonic wave subassembly, and then adjusts the pressure between ultrasonic vibrator 2 and welding anvil 3. When welding, the larger the pressure between the ultrasonic vibrator 2 and the anvil 3 is, the larger the output power required by the ultrasonic vibrator 2 is, and the larger the power consumption is
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 (6)
1. An ultrasonic welding device for disposable absorbent sanitary products, which is used for welding the disposable absorbent sanitary products and is characterized in that: comprises a rotary supporting component for supporting the disposable absorbent sanitary product which rotates together with the rotary supporting component;
a group of ultrasonic vibrators and welding anvils which are arranged along the circumferential direction of the rotary supporting part and rotate along with the rotary supporting part and are mutually matched to complete the welding of the disposable absorbent sanitary product; the ultrasonic vibrator is of a cylindrical structure, the part of the welding anvil matched with the ultrasonic vibrator is of a planar structure, the ultrasonic vibrator does reciprocating motion on the welding anvil and rolls along the axis direction of the ultrasonic vibrator during welding, and meanwhile, the ultrasonic vibrator does high-frequency vibration along the radial direction of the ultrasonic vibrator;
the fixed support piece is used for supporting the ultrasonic vibrator and the welding anvil and is fixed on the rotary support component;
and the pressure providing component is arranged on the fixed support and is used for providing continuous pressure for the ultrasonic vibrator during welding so as to complete the welding of the disposable absorbent sanitary product.
2. The ultrasonic welding device of a disposable absorbent hygiene article of claim 1, characterized in that: the rotary supporting component comprises a group of supporting plates which are arranged along the circumferential direction and are used for supporting the disposable absorbent sanitary product, and the welding anvil is arranged between the two adjacent supporting plates; the plane structure of the welding anvil matched with the ultrasonic vibrator is a strip-shaped plane, the width of the strip-shaped plane is matched with the thickness of the ultrasonic vibrator, and the long side direction of the strip-shaped plane is the same as the axis direction of the rotary supporting component.
3. The ultrasonic welding device of a disposable absorbent hygiene article of claim 1, characterized in that: the fixed support part is provided with a movable support part which does reciprocating movement along the axis direction of the rotary support part; the ultrasonic vibrator and the welding anvil are mounted on the movable support member and reciprocate along the axial direction of the rotary support member together with the movable support member.
4. The ultrasonic welding device of the disposable absorbent hygiene article of claim 3, characterized in that: the movable support piece is provided with a first rotating shaft, a second rotating shaft, a first synchronous belt arranged between the first rotating shaft and the second rotating shaft and positioned on one side of the movable support piece, and a connecting piece for fixing the first synchronous belt and the fixed support piece together is arranged between the first synchronous belt and the fixed support piece;
the other side of the movable support piece is provided with a swing arm, the swing arm is rotatably supported on the movable support piece, one end of the swing arm is fixedly connected with the pressure providing part, the other end of the swing arm is fixedly connected with the ultrasonic vibrator, and a second synchronous belt is arranged between the second rotating shaft and the ultrasonic vibrator.
5. The ultrasonic welding device of the disposable absorbent hygiene article of claim 4, characterized in that: and a rolling bearing is installed on the second rotating shaft, and the swing arm is rotatably supported on the outer ring of the rolling bearing.
6. The ultrasonic welding device of the disposable absorbent hygiene article of claim 4, characterized in that: the pressure providing component is a pressure cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478697.8U CN210792124U (en) | 2019-09-05 | 2019-09-05 | Disposable absorbent sanitary product ultrasonic welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478697.8U CN210792124U (en) | 2019-09-05 | 2019-09-05 | Disposable absorbent sanitary product ultrasonic welding device |
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| Publication Number | Publication Date |
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| CN210792124U true CN210792124U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921478697.8U Active CN210792124U (en) | 2019-09-05 | 2019-09-05 | Disposable absorbent sanitary product ultrasonic welding device |
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| CN (1) | CN210792124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737508A (en) * | 2021-08-30 | 2021-12-03 | 黄山富田精工智造股份有限公司 | Method and structure for cutting spandex filaments in non-woven fabric interlayer |
-
2019
- 2019-09-05 CN CN201921478697.8U patent/CN210792124U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737508A (en) * | 2021-08-30 | 2021-12-03 | 黄山富田精工智造股份有限公司 | Method and structure for cutting spandex filaments in non-woven fabric interlayer |
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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. |