A humidity control sheet sealing and crack prevention device

Abstract

The utility model discloses a humidity-conditioning sheet sealing and crack-proof device, comprising a base, a lower heating plate fixed on the base, and an inverted U-shaped bracket fixed on the base, wherein a plurality of elastic telescopic rods distributed at equal distances are fixedly connected to the inner top wall of the bracket, and an upper pressing plate is fixedly connected to the lower ends of the elastic telescopic rods, and an upper heating plate is fixedly connected to the bottom of the upper pressing plate. Under the action of the plurality of elastic telescopic rods, the upper pressing plate is lowered, and the upper heating plate and the lower heating plate seal the seal. In the utility model, the seal of the plastic bag is arranged between the upper heating plate and the lower heating plate, and then the positioning strip is released. At this time, the plurality of elastic telescopic rods release elastic force, pushing the upper pressing plate to descend, and the upper heating plate and the lower heating plate heat-seal the plastic bag. Since the plurality of elastic telescopic rods are evenly distributed on the surface of the upper pressing plate, it is ensured that the generated pressure can be evenly distributed. When the seal is heat-sealed, the tightness of the seal can be even and it is not easy to crack.

Description

Technical Field

[0001] The utility model relates to the technical field of humidity-conditioning sheets, in particular to a humidity-conditioning sheet sealing and crack-proof device. Background Art

[0002] The humidity control sheet is an adaptive breathing material made of a humidity control composition and a special composite substrate. It absorbs moisture when the humidity is high and releases moisture when the humidity is low, thereby maintaining its performance for a long time. Because it is light and thin, it can be installed in narrow spaces or curved surfaces.

[0003] The humidity control sheet is usually wrapped in packaging materials to protect the moisture absorbent from the external environment and ensure that its performance is not damaged. Common packaging materials include plastic film, which is then heat-sealed by a heat sealer. However, one end of the traditional hand-pressure heat sealer is a hinged structure that rotates along the hinge axis, but the pressure distribution is uneven, resulting in uneven tightness at the seal and easy cracking. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a humidity conditioning sheet sealing and crack prevention device, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a humidity regulating sheet sealing and crack prevention device, comprising a base, a lower heating plate fixed on the base, and an inverted U-shaped bracket fixed on the base, wherein the inner top wall of the bracket is fixedly connected with a plurality of elastic telescopic rods distributed at equal distances, the lower ends of the elastic telescopic rods are commonly fixedly connected with an upper pressure plate, the bottom of the upper pressure plate is fixedly connected with an upper heating plate, under the action of the plurality of elastic telescopic rods, the upper pressure plate is lowered, and the upper heating plate and the lower heating plate seal the seal.

[0008] Preferably, the elastic telescopic rod includes a fixing sleeve fixed to the top of the bracket, and an insertion rod inserted into the fixing sleeve, a spring is fixedly connected between the top of the insertion rod and the top wall of the fixing sleeve, and the lower end of the insertion rod is fixedly connected to the upper pressure plate.

[0009] Preferably, two symmetrically distributed positioning rods are fixedly connected to the top of the upper pressure plate, and the upper ends of the two positioning rods movably penetrate the bracket arrangement and are fixedly connected to positioning strips.

[0010] Preferably, a through opening is provided on the surface of the positioning strip, a rotating rod is rotatably inserted into the inner top wall of the bracket, the upper end of the rotating rod is arranged through the through opening, and a stopper for limiting positioning is fixedly connected to the rotating rod.

[0011] Preferably, the through opening is a waist-shaped opening, and the stop block is a waist-shaped block.

[0012] Preferably, the positioning rod is in the shape of a round rod, and a matching round hole is opened on the surface of the bracket.

[0013] (III) Beneficial effects

[0014] The utility model provides a humidity control sheet sealing and crack prevention device, which has the following beneficial effects:

[0015] In the utility model, the sealing of the plastic bag is arranged between the upper heating plate and the lower heating plate, and then the positioning strip is released, at which time the multiple elastic telescopic rods release elastic force to push the upper pressing plate down, and the upper heating plate and the lower heating plate heat-seal the plastic bag. Since the multiple elastic telescopic rods are evenly distributed on the surface of the upper pressing plate, the pressure generated can be evenly distributed. When the sealing is heat-sealed, the tightness of the sealing part can be even and it is not easy to crack. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a bottom-up stereoscopic structural diagram of a humidity-conditioning sheet sealing and crack-proofing device proposed by the utility model;

[0017] Figure 2 This is a front perspective structural diagram of a humidity-conditioning sheet sealing and crack-proofing device proposed by the utility model;

[0018] Figure 3 for Figure 1 A magnified structural diagram;

[0019] Figure 4 This is a structural diagram of a telescopic rod of a humidity-conditioning sheet sealing and crack-prevention device proposed by the utility model.

[0020] In the figure: 1, base; 2, lower heating plate; 3, bracket; 4, elastic telescopic rod; 41, fixing sleeve; 42, plug rod; 43, spring; 5, upper pressure plate; 6, upper heating plate; 7, positioning strip; 701, through-hole; 8, positioning rod; 9, rotating rod; 10, stopper. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figures 1 to 4The utility model provides a technical solution: a humidity-conditioning sheet sealing and crack-proof device, comprising a base 1, a lower heating plate 2 fixed on the base 1, and an inverted U-shaped bracket 3 fixed on the base 1, wherein the inner top wall of the bracket 3 is fixedly connected with a plurality of elastic telescopic rods 4 distributed at equal distances, and the lower ends of the elastic telescopic rods 4 are fixedly connected with an upper pressing plate 5, and the bottom of the upper pressing plate 5 is fixedly connected with an upper heating plate 6, and under the action of the plurality of elastic telescopic rods 4, the upper pressing plate 5 is lowered, and the upper heating plate 6 and the lower heating plate 2 are sealed.

[0023] The seal of the plastic bag is set between the upper heating plate 6 and the lower heating plate 2, and then the positioning strip 7 is released. At this time, the multiple elastic telescopic rods 4 release the elastic force to push the upper pressing plate 5 down, and the upper heating plate 6 and the lower heating plate 2 clamp the seal of the plastic bag and perform heat sealing. Since the multiple elastic telescopic rods 4 are evenly distributed on the surface of the upper pressing plate 5, the pressure generated can be evenly distributed. When the seal is heat sealed, the tightness of the seal can be even, it is not easy to crack, and the quality is improved.

[0024] Specifically, the elastic telescopic rod 4 includes a fixed sleeve 41 fixed to the top of the bracket 3, an insertion rod 42 inserted into the fixed sleeve 41, a spring 43 is fixedly connected between the top of the insertion rod 42 and the top wall of the fixed sleeve 41, and the lower end of the insertion rod 42 is fixedly connected to the upper pressure plate 5.

[0025] The positioning strip 7 is released, and the multiple springs 43 release their elastic force at the same time, pushing the insertion rod 42 downward, so that the upper pressing plate 5 is lowered, and the upper heating plate 6 and the lower heating plate 2 heat-seal the plastic bag.

[0026] In order to pull the upper pressing plate 5, two symmetrically distributed positioning rods 8 are fixedly connected to the top of the upper pressing plate 5. The upper ends of the two positioning rods 8 are movably penetrated through the bracket 3 and are fixedly connected with a positioning bar 7. By pulling up the positioning bar 7, the positioning rods 8 and the upper pressing plate 5 are moved upward, thereby realizing the separation of the upper heating plate 6 and the lower heating plate 2.

[0027] In addition, in order to limit the positioning strip 7, a through hole 701 is opened on the surface of the positioning strip 7, and a rotating rod 9 is rotatably inserted into the top wall of the bracket 3. The upper end of the rotating rod 9 is arranged through the through hole 701, and a stopper 10 for limiting is fixedly connected to the rotating rod 9.

[0028] The positioning strip 7 is pulled upward to allow the block 10 to pass through the opening 701, and then the rotating rod 9 is rotated to allow the block 10 to deflect and be misaligned with the opening 701, so that the bottom of the positioning strip 7 contacts with the block 10, thereby achieving the purpose of limiting the positioning strip 7; when the upper pressing plate 5 is released, the rotating rod 9 is rotated to allow the block 10 to correspond to the position of the opening 701, and then the positioning strip 7 is released, and the elastic telescopic rod 4 releases the elastic force, so that the upper pressing plate 5 and the positioning strip 7 are lowered, and the block 10 is set through the opening 701. At this time, the upper heating plate 6 and the lower heating plate 2 clamp the seal of the plastic bag and perform heat sealing.

[0029] With regard to the shape design of the through opening 701 and the stopper 10 , the through opening 701 is a waist-shaped opening, and the stopper 10 is a waist-shaped block.

[0030] The positioning rod 8 is in the shape of a round rod, and a matching round hole is opened on the surface of the bracket 3 .

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A humidity-conditioning sheet sealing and crack-prevention device, characterized in that: The invention comprises a base (1), a lower heating plate (2) fixed on the base (1), and an inverted U-shaped bracket (3) fixed on the base (1); a plurality of elastic telescopic rods (4) distributed at equal distances are fixedly connected to the inner top wall of the bracket (3); an upper pressing plate (5) is fixedly connected to the lower ends of the elastic telescopic rods (4); an upper heating plate (6) is fixedly connected to the bottom of the upper pressing plate (5); under the action of the plurality of elastic telescopic rods (4), the upper pressing plate (5) is lowered, and the upper heating plate (6) and the lower heating plate (2) seal the seal.

2. A humidity-conditioning sheet sealing and crack-prevention device according to claim 1, characterized in that: The elastic telescopic rod (4) comprises a fixing sleeve (41) fixed to the top of the bracket (3), and an insertion rod (42) inserted into the fixing sleeve (41); a spring (43) is fixedly connected between the top of the insertion rod (42) and the top wall of the fixing sleeve (41); and the lower end of the insertion rod (42) is fixedly connected to the upper pressure plate (5).

3. A humidity-conditioning sheet sealing and crack-prevention device according to claim 1, characterized in that: The top of the upper pressure plate (5) is fixedly connected to two symmetrically distributed positioning rods (8), and the upper ends of the two positioning rods (8) are movably penetrated through the bracket (3) and are fixedly connected to a positioning strip (7).

4. A humidity-conditioning sheet sealing and crack-prevention device according to claim 3, characterized in that: A through opening (701) is provided on the surface of the positioning strip (7), a rotating rod (9) is rotatably inserted into the inner top wall of the bracket (3), the upper end of the rotating rod (9) is arranged through the through opening (701), and a stopper (10) for limiting positioning is fixedly connected to the rotating rod (9).

5. A humidity-conditioning sheet sealing and crack-prevention device according to claim 4, characterized in that: The through opening (701) is a waist-shaped opening, and the stopper (10) is a waist-shaped block.

6. A humidity-conditioning sheet sealing and crack-prevention device according to claim 3, characterized in that: The positioning rod (8) is in the shape of a round rod, and a matching round hole is provided on the surface of the bracket (3).

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