Wet tissue ultrasonic sealing mechanism

Abstract

The utility model discloses a wet tissue ultrasonic sealing mechanism which comprises an ultrasonic upper die head and an ultrasonic lower die head. The lower part of the ultrasonic lower die head is fixedly connected with an ultrasonic transmitting head of an ultrasonic transducer; the top end of the ultrasonic lower die head corresponds to the bottom end of the ultrasonic upper die head, after the ultrasonic lower die head ascends and the ultrasonic upper die head descends, the upper die head and the lower die head make contact, an ultrasonic transmitting head of the ultrasonic transducer transmits high-frequency vibration through the ultrasonic lower die head, the surface of the opening of the wet tissue packaging bag is instantly melted and solidified, and therefore sealing is achieved. Ultrasonic fusion is molecular-level combination, the sealing strength is high and uniform, cracking is not prone to occurring, and the sealing performance of the sealing is high; the ultrasonic lower die head is in contact with the ultrasonic lower die head through the positioning protruding part to achieve sealing, the positioning protruding part is in the shape of patterns, and by arranging the corresponding patterns and conducting sealing of the corresponding patterns, multi-line contact sealing can be formed while sealing is conducted, and the sealing effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to wet tissue sealing technical field, concretely relates to a wet tissue ultrasonic sealing mechanism. BACKGROUND

[0002] Wet tissue is a kind of daily necessities for wiping skin, and is widely used in skin moisturizing and skin care field, and wet tissue needs to be packaged and sealed before leaving factory.

[0003] The existing sealing mode mainly relies on hot press plate to heat and seal at sealing place, and the Chinese patent document with the authorization announcement No.CN221068722U discloses a wet tissue packaging sealing equipment, moves the clamping piece on both sides to corresponding position synchronously through the first air cylinder, moves the movable clamping plate through the second air cylinder, and clamps the outer edge of packaging bag with fixed clamping plate, so that packaging bag is vertically arranged and sequentially passes through subsequent filling action, and the first hot press plate and the second hot press plate are synchronously closed to seal packaging bag, to realize wet tissue packaging automatic sealing action.

[0004] The above-mentioned hot press plate heat sealing mode is unstable, and the contact place of hot press plate is simple surface contact, and there is only one sealing line at the contact place, so it is difficult to ensure sealing, especially when packaging wet tissue, the water on the inner surface of plastic bag can further affect sealing of sealing, and hot press plate needs to continuously heat the whole sealing area, and the cooling time is long. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of wet tissue ultrasonic sealing mechanism, and sealing is fused by ultrasonic wave, and ultrasonic fusion is molecular level combination, sealing strength is high and uniform, and it is not easy to crack, and sealing is high in sealing property;By setting corresponding pattern and sealing corresponding pattern, multiple groove contact sealing can be formed while sealing, to further improve sealing effect, to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of wet tissue ultrasonic sealing mechanism, including ultrasonic upper die head and ultrasonic lower die head;

[0007] The ultrasonic upper die head is fixed below mounting plate, and is realized lifting action by external drive;

[0008] The ultrasonic lower die head is fixed on die head fixed plate, and is realized lifting action by external drive, and the ultrasonic lower die head is fixedly connected with the ultrasonic transducer at the ultrasonic emission head below;

[0009] The top end of the ultrasonic lower die head corresponds with the bottom end of the ultrasonic upper die head, the ultrasonic lower die head is contacted after ascending, the ultrasonic upper die head is contacted after descending, and the ultrasonic emission head of the ultrasonic transducer is transmitted high-frequency vibration through the ultrasonic lower die head.

[0010] Preferably, the ultrasonic upper die is provided with an upper cutter, and the lower cutter is fixed to the ultrasonic lower die.

[0011] Preferably, the mounting plate and the die fixing plate are sleeved on the guide column and can slide up and down in smooth contact.

[0012] Preferably, the ultrasonic upper die is provided with a positioning protrusion.

[0013] Preferably, the positioning protrusion is in a pattern shape.

[0014] Preferably, the positioning protrusion is in a stripe shape, at least two parallel stripes are provided, and the cross-section edge of the positioning protrusion is in a circular arc structure.

[0015] Preferably, the ultrasonic upper die and the ultrasonic lower die are further provided with a support table at the connecting position.

[0016] Compared with the prior art, the ultrasonic bag sealing device has the advantages that:

[0017] 1. The ultrasonic fusion is a molecular level combination, the sealing strength is high and uniform, the bag is not easy to crack, liquid penetration is prevented, and the sealing tightness is high.

[0018] 2. The ultrasonic lower die is sealed by the positioning protrusion in contact with the ultrasonic lower die, the positioning protrusion is in a pattern shape, the corresponding pattern is set and sealed, multiple pattern contact seals are formed at the same time of sealing, and the sealing effect is further improved.

[0019] 3. When the positioning protrusion is in a stripe shape, the cross-section edge is in a circular arc structure, the ultrasonic contact position is a small contact surface when the wet wipe bag is sealed, the small contact surface can concentrate energy, reduce the total energy and time required, thereby reducing the chance of producing marks and reducing the overflow phenomenon, and the small contact surface is also beneficial to rapid heat dissipation of the contact position. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view structural schematic diagram of the utility model;

[0021] Figure 2 It is a side view sectional view structural schematic diagram of the utility model;

[0022] Figure 3 It is Figure 2 an enlarged structural schematic diagram of A.

[0023] In the figure: 1, ultrasonic upper die; 2, ultrasonic lower die; 3, mounting plate; 4, die fixing plate; 5, ultrasonic transducer; 6, ultrasonic transmitting head; 7, upper cutter; 8, lower cutter; 9, guide column; 10, positioning convex part; 11, support table. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-3 The utility model provides a kind of wet wipe ultrasonic sealing mechanism, including ultrasonic upper die 1 and ultrasonic lower die 2;

[0026] The ultrasonic upper die 1 is fixed below the mounting plate 3, and is lifted and lowered by external driving;

[0027] The ultrasonic lower die 2 is fixed on the die fixing plate 4, and is lifted and lowered by external driving, and the ultrasonic transmitting head 6 of the ultrasonic transducer 5 is fixedly connected below the ultrasonic lower die 2;

[0028] The top end of the ultrasonic lower die 2 corresponds to the bottom end of the ultrasonic upper die 1, the ultrasonic lower die 2 rises, the ultrasonic upper die 1 descends, the upper and lower dies contact, the ultrasonic transmitting head 6 of the ultrasonic transducer 5 transmits high-frequency vibration through the ultrasonic lower die 2, and the surface of the wet wipe packaging bag opening is instantaneously melted and solidified at the junction below the ultrasonic upper die 1, so that sealing is realized.

[0029] Specifically, the ultrasonic upper die 1 is provided with an upper cutter 7, the upper cutter 7 can move relative to the ultrasonic upper die 1, and the ultrasonic lower die 2 is fixed with a lower cutter 8, after the ultrasonic upper die 1 and the ultrasonic lower die 2 contact, the wet wipe bag sealing opening is cut out by the descending action of the upper cutter 7 in cooperation with the lower cutter 8.

[0030] Specifically, the mounting plate 3 and the die fixing plate 4 are sleeved on the guide column 9, and can slide up and down in smooth contact; in this embodiment, the guide column 9 provides a guide function for the mounting plate 3 and the die fixing plate 4, realizes accurate contact of the upper and lower dies, and realizes accurate sealing.

[0031] Specifically, the ultrasonic upper die 1 is provided with a positioning protrusion 10 below; in this embodiment, the number and size of the positioning protrusion 10 are set according to the actual product, and the number is preferably 1-5, and the sealing is realized by the contact of the positioning protrusion 10 and the ultrasonic lower die 2.

[0032] Specifically, the positioning protrusion 10 is in the shape of a pattern; in this embodiment, the type of the pattern is not limited to a mesh pattern and a diamond pattern, and by setting the corresponding pattern and sealing the corresponding pattern, multiple groove contact seals can be formed at the same time of sealing, further improving the sealing effect, and also achieving an aesthetic effect.

[0033] Specifically, the positioning protrusion 10 is in the shape of a pattern; in this embodiment, the type of the pattern is not limited to a mesh pattern and a diamond pattern, and by setting the corresponding pattern and sealing the corresponding pattern, multiple groove contact seals can be formed at the same time of sealing, further improving the sealing effect, and also achieving an aesthetic effect.

[0034] Specifically, the ultrasonic upper die 1 is provided with a positioning protrusion 10 below; in this embodiment, the number and size of the positioning protrusion 10 are set according to the actual product, and the number is preferably 1-5, and the sealing is realized by the contact of the positioning protrusion 10 and the ultrasonic lower die 2.

[0035] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail below.

[0036] Working principle: the top end of the ultrasonic lower die 2 corresponds to the bottom end of the ultrasonic upper die 1, the ultrasonic lower die 2 rises, then the ultrasonic upper die 1 descends, the upper and lower dies are in contact, the ultrasonic transducer 5 transmits high-frequency vibration through the ultrasonic lower die 2, the surface of the wet wipe packaging bag at the joint below the ultrasonic upper die 1 is instantaneously melted and solidified, so as to realize sealing.

[0037] The ultrasonic upper die 1 is provided with an upper cutter 7, the upper cutter 7 can move relative to the ultrasonic upper die 1, and the ultrasonic lower die 2 is fixedly provided with a lower cutter 8; after the ultrasonic upper die 1 and the ultrasonic lower die 2 are in contact, the wet wipe bag sealing port can be cut out by the descending action of the upper cutter 7 in cooperation with the lower cutter 8.

[0038] The ultrasonic lower die 2 is in contact with the ultrasonic lower die 2 through the positioning protrusion 10 to realize sealing, the positioning protrusion 10 is in the shape of a pattern, and by setting the corresponding pattern and sealing the corresponding pattern, multiple groove contact seals can be formed at the same time of sealing, further improving the sealing effect, and also achieving an aesthetic effect.

[0039] The positioning protrusions are stripe-shaped, at least two are arranged in parallel, the cross-section edge is circular arc structure, when the wet tissue bag is sealed, the ultrasonic contact is very small contact surface, the small contact surface can concentrate energy, reduce the total energy and time required, thereby reducing the chance of producing marks and reducing the overflow phenomenon, and the small contact surface is also beneficial to the rapid heat dissipation of the contact contact.

[0040] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wet wipe ultrasonic sealing mechanism, characterized by, The ultrasonic upper die (1) and the ultrasonic lower die (2) are included. The ultrasonic upper die (1) is fixed below the mounting plate (3) and realizes the lifting action through external driving. The ultrasonic lower die (2) is fixed on the die fixing plate (4) and realizes the lifting action through external driving. The ultrasonic lower die (2) is fixedly connected with the ultrasonic transducer (5) below the ultrasonic emission head (6).

2. A wet wipe ultrasonic sealing mechanism according to claim 1, wherein, The top end of the ultrasonic lower die (2) corresponds to the bottom end of the ultrasonic upper die (1).

3. The ultrasonic seal mechanism for wet wipes of claim 1, wherein, The ultrasonic upper die (1) is provided with an upper cutter (7) which can move relative to the ultrasonic upper die (1).

4. The ultrasonic seal mechanism for wet wipes of claim 1, wherein, The mounting plate (3) and the die fixing plate (4) are sleeved on the guide column (9) and can slide up and down in smooth contact.

5. A wet wipe ultrasonic sealing mechanism according to claim 4, wherein, The ultrasonic upper die (1) is provided with a positioning protruding part (10) below.

6. A wet wipe ultrasonic sealing mechanism according to claim 4, wherein, The positioning protruding part (10) is in the shape of a pattern.

7. The ultrasonic seal mechanism for wet wipes of claim 1, wherein, The positioning protruding part (10) is in the shape of a pattern. The positioning protruding part (10) is in the shape of a pattern. The ultrasonic upper die (1) and the ultrasonic lower die (2) are connected and are provided with a supporting table (11).

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