CN210792123U - Ultrasonic welding device - Google Patents
Ultrasonic welding device Download PDFInfo
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- CN210792123U CN210792123U CN201921478696.3U CN201921478696U CN210792123U CN 210792123 U CN210792123 U CN 210792123U CN 201921478696 U CN201921478696 U CN 201921478696U CN 210792123 U CN210792123 U CN 210792123U
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Abstract
The utility model discloses an ultrasonic welding device which is used for welding disposable absorbent sanitary products and comprises a rotary supporting component 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 and the welding anvil are both of cylindrical structures, reciprocating motion is carried out along the axial direction of the rotary supporting component when the ultrasonic vibrator and the welding anvil are welded, rolling is carried out along the axis direction of the ultrasonic vibrator, and meanwhile, the ultrasonic vibrator radially carries out high-frequency vibration along the ultrasonic vibrator. The utility model discloses can reduce the output function 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 wave butt fusion 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 wave butt fusion 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 method of welding disposable absorbent sanitary products, and has 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 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. This structure bonding tool weight is big, consequently, needs the power of increase ultrasonic wave, just can satisfy the welding pressure demand to the material when the butt fusion, and this not only can increase equipment's consumption, simultaneously, still can influence ultrasonic device's life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ultrasonic wave fusion joining device solves the big problem of current ultrasonic wave fusion joining device consumption.
The utility model provides a technical scheme that its technical problem adopted is: an ultrasonic welding device for welding disposable absorbent hygiene articles, 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 and the welding anvil are both of cylindrical structures, and when the ultrasonic vibrator and the welding anvil are welded, the ultrasonic vibrator and the welding anvil do reciprocating motion along the axial direction of the rotary supporting part and roll along the axial direction of the ultrasonic vibrator and do 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.
In order to ensure the welding quality, when the ultrasonic vibrator and the welding anvil are pressed on the disposable absorbent sanitary product for welding, the relative rotating speed of the ultrasonic vibrator and the welding anvil at the position of a welding contact point is zero.
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, the ultrasonic vibrator and the welding anvil are rotatably supported on a movable support member.
As another embodiment, the welding anvil is also connected with a power source for driving the welding anvil to rotate.
In order to conveniently drive the ultrasonic vibrator to rotate while realizing the movement of the movable support piece, a first rotating shaft, a second rotating shaft and a first synchronous belt which is arranged between the first rotating shaft and the second rotating shaft and positioned at one side of the movable support piece are arranged on 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.
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. Ultrasonic vibrator and welding hammering block are cylindrical structure, and when the butt fusion, area of contact is little, and under the same ultrasonic power load, the pressure on the area of contact is greater than traditional pressurize formula butt fusion structure, consequently, guarantees under the circumstances that butt fusion contact point department pressure satisfies the butt fusion requirement, can reduce ultrasonic output to reduce ultrasonic energy consumption, reduce the running cost of equipment, improve equipment's life. The pressure value between the pressure providing component and the welding anvil can be adjusted, so that the requirements of different products on welding pressure are met, and the application range of the 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 the non-welding state of 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 welding zone and the non-welding zone in the circumferential direction of the rotary support member according to the present invention.
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 welding disposable absorbent sanitary articles includes a rotary support member 1 for supporting the disposable absorbent sanitary articles which rotate 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 ultrasonic vibrator 2 and the welding anvil 3 are both in a cylindrical structure, the ultrasonic vibrator 2 and the welding anvil 3 reciprocate along the axial direction of the rotary supporting part 1 and roll along the axis direction of the ultrasonic vibrator, and meanwhile, the ultrasonic vibrator 2 vibrates in a high frequency along the radial direction of the ultrasonic vibrator, as shown in fig. 3 and 6. The ultrasonic vibrator 2 and the welding anvil 3 are pressed on the disposable absorbent sanitary product in the middle to complete the welding of the disposable absorbent sanitary product. When the ultrasonic vibrator 2 and the welding anvil 3 are pressed on the disposable absorbent sanitary product at the same time for welding, the relative rotating speed of the ultrasonic vibrator 2 and the welding anvil 3 at the position of a welding contact point is zero, and the welding of the disposable absorbent sanitary product at the point is completed through the high-frequency vibration of the ultrasonic vibrator 2 along the radial direction.
The ultrasonic vibrator 2 and the anvil 3 are divided into a weld zone and a non-weld zone in a period of one rotation of the rotary support member 1, and the ultrasonic vibrator 2 and the anvil 3 reciprocate on the disposable absorbent sanitary article in the direction of the axis of the transfer circumference of the disposable absorbent sanitary article at the weld zone, as shown in fig. 3. In the non-welded zone, the ultrasonic vibrator 2 and the anvil 3 are detached from the disposable absorbent sanitary article and spaced apart from each other, as shown in fig. 2. The welding zone and the non-welding zone are continuous zones, the included angle between the non-welding zone and the circle center is 30-90 degrees, and the rest zones are welding zones, as shown in figure 4. The feed end and the discharge end of the disposable absorbent article are both located in the non-fused zone.
The specific connection structure of the ultrasonic vibrator 2, the welding anvil 3 and 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 and the anvil 3 are mounted on a moving support 5 to reciprocate along 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. In the welding, the larger the pressure between the ultrasonic transducer 2 and the anvil 3 is, the larger the output power required for the ultrasonic transducer 2 is, and the larger the power consumption is.
The rotatable support of the anvil 3 that welds with the cooperation of ultrasonic vibrator 2 is on removing support piece 5, it welds anvil support arm 15 to be provided with on removing support piece 5, welds and is provided with on anvil support arm 15 and welds anvil pivot 16, weld the anvil 3 and fix the setting and weld anvil pivot 16 and rotate together on welding anvil pivot 16. During welding, the ultrasonic vibrator 2 and the welding anvil 3 are respectively pressed on the upper surface and the lower surface of the disposable absorbent product, and under the action of pressure, the ultrasonic vibrator 2 rotates to drive the welding anvil 3 to rotate together.
In order to better cooperate with the ultrasonic vibrator 2 to rotate together, a power source for driving the welding anvil rotating shaft 16 to rotate can be further arranged on the welding anvil rotating shaft 16 of the welding anvil 3, and the power source can be a driving motor but is not limited to the driving motor.
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 (7)
1. An ultrasonic welding device for welding disposable absorbent hygiene articles, 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 and the welding anvil are both of cylindrical structures, and when the ultrasonic vibrator and the welding anvil are welded, the ultrasonic vibrator and the welding anvil do reciprocating motion along the axial direction of the rotary supporting part and roll along the axial direction of the ultrasonic vibrator and do 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 apparatus of claim 1, wherein: when the ultrasonic vibrator and the welding anvil are pressed on the disposable absorbent sanitary product simultaneously for welding, the relative rotating speed of the ultrasonic vibrator and the welding anvil at the position of a welding contact point is zero.
3. The ultrasonic welding apparatus of claim 1, wherein: 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. An ultrasonic welding apparatus as defined in claim 3 wherein: the ultrasonic vibrator and the welding anvil are rotatably supported on the movable support member.
5. An ultrasonic welding apparatus as defined in claim 4 wherein: the welding anvil is also connected with a power source for driving the welding anvil to rotate.
6. An ultrasonic welding apparatus as defined in claim 3 wherein: 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.
7. An ultrasonic welding apparatus as defined in claim 6 wherein: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478696.3U CN210792123U (en) | 2019-09-05 | 2019-09-05 | Ultrasonic welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478696.3U CN210792123U (en) | 2019-09-05 | 2019-09-05 | Ultrasonic welding device |
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| Publication Number | Publication Date |
|---|---|
| CN210792123U true CN210792123U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921478696.3U Active CN210792123U (en) | 2019-09-05 | 2019-09-05 | Ultrasonic welding device |
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| CN (1) | CN210792123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112972121A (en) * | 2021-02-04 | 2021-06-18 | 黄山富田精工智造股份有限公司 | Manufacturing device, system and manufacturing method of composite sheet |
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2019
- 2019-09-05 CN CN201921478696.3U patent/CN210792123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112972121A (en) * | 2021-02-04 | 2021-06-18 | 黄山富田精工智造股份有限公司 | Manufacturing device, system and manufacturing method of composite sheet |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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. |
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| CP03 | Change of name, title or address |