Continuous longitudinal sealing ultrasonic welding structure
The single-roller welding with ultrasonic welding structure solves the sealing deviation and film slippage problems of the longitudinal sealing device for packaging bags, achieving simplified structure and efficient welding. It is suitable for sealing and closure of packaging bags, especially for the packaging of probiotics.
Patent Information
- Application Number
- CN202422841076.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Existing longitudinal sealing welding devices for packaging bags are prone to misalignment or film slippage due to roller issues, and they can easily interfere with each other during operation, affecting product quality and efficiency.
The continuous longitudinal sealing ultrasonic welding structure includes a rotating shaft arranged in a rotating manner and a longitudinally arranged conveying shaft. It uses an ultrasonic vibrator to drive the disc welding head to perform high-frequency vibration welding, realizing single-roll welding and avoiding sealing deviation and film migration.
It achieves a simplified structure, prevents misalignment or film leakage, improves product quality and work efficiency, and is especially suitable for sealing and bagging probiotic packaging, keeping the welding temperature below 45 degrees Celsius to protect the activity of probiotics.
Smart Images
Figure CN223657735U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of packing bag, specifically, it relates to the ultrasonic welding structure of continuous longitudinal seal. BACKGROUND
[0002] The present packing bag longitudinal seal welding device is all installed with a pair of welding rollers on a shaft, is equipped with a mesh respectively on the circumferential surface of each welding roller, is equipped with a material conveying pipe respectively corresponding to each welding roller, and is equipped with alloy protrusions on the material conveying pipe to cooperate with the welding rollers for extrusion. This double-roller packing bag longitudinal seal welding device will affect the normal operation of the other roller if one of the rollers has a problem during the working process, and the working process is easily affected by each other and other factors, resulting in seal deviation or film running during longitudinal sealing. UTILITY MODEL CONTENTS
[0003] The utility model discloses a continuous longitudinal seal ultrasonic welding structure, which aims to solve the problems of seal deviation and film running in the prior art.
[0004] The utility model discloses a continuous longitudinal seal ultrasonic welding structure, which aims to solve the problems of seal deviation and film running in the prior art.
[0005] When the material is longitudinally transmitted through the material conveying shaft, the welding surface and the material conveying shaft abut against the material, and the material is continuously longitudinally sealed through the rolling of the welding surface during longitudinal movement.
[0006] Further, the disc-shaped welding head is arranged in a ring shape.
[0007] Further, the inner side of the disc-shaped welding head is formed with an inner circumferential surface, the inner circumferential surface is arranged in a spaced manner with the welding surface, and the inner circumferential surface abuts on the outer circumferential surface of the rotating shaft.
[0008] Further, the rotating shaft is arranged in a transverse direction, and the rotating shaft and the material conveying shaft are arranged in a perpendicular manner.
[0009] Further, the rotating shaft is connected with an amplitude modulator.
[0010] Further, the amplitude modulator is located between the ultrasonic vibrator and the disc-shaped welding head, and the disc-shaped welding head and the amplitude modulator are arranged in a spaced manner.
[0011] Further, the rotating shaft has a plurality of outer rings formed by extending radially outward, and the plurality of outer rings are arranged along the length direction of the rotating shaft in sequence, and the disc welding head is located between adjacent outer rings, and the outer rings are arranged at intervals with the disc welding head.
[0012] Further, the diameter of the outer ring is smaller than the diameter of the disc welding head.
[0013] Further, the rotating shaft and the disc welding head are integrated.
[0014] Further, the rotating shaft is provided with a plurality of disc welding heads arranged at intervals, and the plurality of disc welding heads are arranged along the length direction of the rotating shaft in sequence.
[0015] Compared with the prior art, the ultrasonic welding structure for continuous longitudinal sealing provided by the present application converts high-frequency electric energy into mechanical motion of the same frequency through the ultrasonic vibrator, and then drives the disc welding head to rotate at high frequency for welding, so as to realize ultrasonic welding, change the double-roller welding of the existing longitudinal sealing welding device into single-roller welding, not only simplify the structure and facilitate operation, but also prevent the sealing from being deviated or the film from being offset during work, and improve the product quality and work efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 is a top view structural schematic diagram of the ultrasonic welding structure for continuous longitudinal sealing provided by the present application;
[0017] Fig. 2 is a front view structural schematic diagram of the rotating shaft and the disc welding head provided by the present application;
[0018] Fig. 3 is a front view structural schematic diagram of the rotating shaft and the plurality of disc welding heads provided by the present application.
[0019] In the figure: rotating shaft 10, disc welding head 20, ultrasonic vibrator 30, amplitude modulator 40, outer ring 50, material conveying shaft 60, and welding surface 21. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.
[0021] The implementation of the present application will be described in detail below with reference to specific embodiments.
[0022] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the utility model, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0023] Referring to Figs. 1-3 The preferred embodiment provided by the utility model is shown in the drawings.
[0024] The ultrasonic welding structure can be suitable for transverse sealing welding and longitudinal sealing welding, and can also be used for sealing welding of various product packages, but is not limited to product packages; the ultrasonic welding structure can be used for packaging sealing and bag sealing of probiotics, because high-temperature heat sealing can affect the activity of probiotics, and the ultrasonic welding can control the welding temperature below 45 degrees for sealing and bag sealing, which can effectively improve the nutritional value of probiotics under the sealing and bag sealing.
[0025] The continuous longitudinal sealing ultrasonic welding structure comprises a rotating shaft 10 arranged in rotation and a material conveying shaft arranged in a longitudinal direction, the rotating shaft 10 is provided with a disc welding head 20 arranged in a longitudinal direction, the end of the rotating shaft 10 is connected with an ultrasonic vibrator 30, the ultrasonic vibrator 30 drives the disc welding head 20 to vibrate through the rotating shaft 10, the outer periphery of the disc welding head 20 has a welding surface 21 arranged in a circumferential direction, and the welding surface 21 and the material conveying shaft have a welding gap therebetween;
[0026] When the material is longitudinally conveyed through the material conveying shaft, the welding surface 21 and the material conveying shaft abut against the material, and the material is continuously longitudinally sealed through the rolling of the welding surface 21 during the longitudinal movement.
[0027] The continuous longitudinal sealing ultrasonic welding structure provided above converts high-frequency electric energy into mechanical motion of the same frequency through the ultrasonic vibrator 30, and then drives the disc welding head 20 to rotate at high frequency for welding, realizes ultrasonic welding, changes the double-roller welding of the existing longitudinal sealing welding device into single-roller welding, not only simplifies the structure and facilitates operation, but also prevents sealing deviation or film deviation during work, improves product quality and work efficiency, and realizes continuous longitudinal sealing welding.
[0028] In the embodiment, the disc welding head 20 is arranged in a ring shape. In this way, continuous longitudinal sealing welding can be realized.
[0029] In this embodiment, an inner circumferential surface is formed on the inner side of the disc welding head 20, and the inner circumferential surface is spaced apart from the welding surface 21. The inner circumferential surface abuts against the outer circumference of the rotating shaft 10. This increases the stability of the structure.
[0030] In this embodiment, the rotating shaft 10 is arranged laterally, and the rotating shaft 10 is arranged perpendicularly to the conveying shaft. This facilitates continuous longitudinal sealing welding.
[0031] In this embodiment, an amplitude modulator 40 is connected to the rotating shaft 10. The amplitude modulator 40 can adjust the amplitude and maintain the stability of the amplitude transmission to the disc welding head 20.
[0032] In this embodiment, the amplitude modulator 40 is located between the ultrasonic transducer 30 and the disc welding head 20, with the disc welding head 20 and the amplitude modulator 40 arranged at a relative interval. In this way, the ultrasonic transducer 30 can convert high-frequency electrical energy into mechanical motion of the same frequency, which is transmitted to the disc welding head 20 through the amplitude modulator 40, which has adjustable amplitude and maintains stable amplitude, thereby realizing ultrasonic welding.
[0033] In this embodiment, the rotating shaft 10 has multiple radially outwardly extending outer rings 50, which are arranged sequentially along the length of the rotating shaft 10. The disc welding head 20 is located between adjacent outer rings 50, and the outer rings 50 and the disc welding head 20 are spaced apart. In this way, the outer rings 50 can prevent the disc welding head 20 from detaching from the rotating shaft 10.
[0034] The diameter of the outer ring 50 is smaller than the diameter of the disc welding head 20.
[0035] In this embodiment, the rotating shaft 10 and the disc welding head 20 are an integrated structure. This increases the stability of the structure and improves installation efficiency.
[0036] In this embodiment, a plurality of spaced-apart disc welding heads 20 are arranged on the rotating shaft 10, and the plurality of disc welding heads 20 are arranged sequentially along the length direction of the rotating shaft 10. In this way, multi-station welding can be realized.
[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A continuously longitudinally sealed ultrasonic welding structure, characterized in that, It includes a rotating shaft arranged in a rotating manner and a conveying shaft arranged in a longitudinal direction. The rotating shaft is provided with a longitudinally arranged disc welding head. An ultrasonic vibrator is connected to the end of the rotating shaft. The ultrasonic vibrator drives the disc welding head to vibrate through the rotating shaft. The outer periphery of the disc welding head has a circumferentially arranged welding surface. There is a welding gap between the welding surface and the conveying shaft. When the material is longitudinally transported through the conveyor shaft, the welding surface and the conveyor shaft abut against the material. During the longitudinal movement of the material, the material is continuously longitudinally sealed by the rolling of the welding surface.
2. The ultrasonic welding structure with continuous longitudinal sealing as described in claim 1, characterized in that, The disc welding heads are arranged in a ring.
3. The ultrasonic welding structure with continuous longitudinal sealing as described in claim 2, characterized in that, The inner side of the disc welding head has an inner circumferential surface, which is arranged at intervals with the welding surface and abuts against the outer circumference of the rotating shaft.
4. The ultrasonic welding structure with continuous longitudinal sealing as described in claim 3, characterized in that, The rotating shaft is arranged horizontally, and the rotating shaft is arranged perpendicularly to the conveying shaft.
5. The ultrasonic welding structure with continuous longitudinal sealing as described in claim 4, characterized in that, An amplitude modulator is connected to the rotating shaft.
6. The ultrasonic welding structure with continuous longitudinal sealing as described in claim 5, characterized in that, The amplitude modulator is located between the ultrasonic transducer and the disc welding head, and the disc welding head and the amplitude modulator are arranged at relative intervals.
7. The ultrasonic welding structure with continuous longitudinal sealing as described in claim 6, characterized in that, The rotating shaft has multiple outer rings that extend radially outward. These outer rings are arranged sequentially along the length of the rotating shaft. The disc welding head is located between adjacent outer rings, and the outer rings and the disc welding head are spaced apart.
8. The ultrasonic welding structure with continuous longitudinal sealing as described in claim 7, characterized in that, The diameter of the outer ring is smaller than the diameter of the disc welding head.
9. The ultrasonic welding structure with continuous longitudinal sealing as described in any one of claims 1 to 8, characterized in that, The rotating shaft and the disc welding head are an integrated structure.
10. The ultrasonic welding structure with continuous longitudinal sealing as described in any one of claims 1 to 8, characterized in that, Multiple spaced-apart disc welding heads are arranged on the rotating shaft, and the multiple disc welding heads are arranged sequentially along the length of the rotating shaft.