Plastic bag hot-pressing sealing device

Abstract

The utility model discloses a plastic bag hot-pressing sealing device which comprises a bottom plate and a top plate, the top plate is arranged at the top of the bottom plate, hot-pressing strips are fixedly arranged on the outer wall of the top of the bottom plate and the outer wall of the bottom of the top plate, and two limiting grooves are formed in the outer walls of the two sides of the top of the bottom plate and the outer walls of the two sides of the bottom of the top plate. A sliding groove is formed in one end of each limiting groove, a U-shaped inserting piece is inserted into the inner wall of the adjacent sliding groove, springs distributed at equal intervals are fixedly arranged on the outer wall of one end of the corresponding U-shaped inserting piece, and a mirror face clamping plate is fixedly arranged on the outer wall of one end of each spring. The U-shaped inserting piece in the sliding groove is pulled through the pulling handle, the U-shaped inserting piece drives the mirror face clamping plate to slide on the inner wall of the limiting groove, the bag opening of a plastic bag can be flattened in the sliding process of the U-shaped inserting piece, folding wrinkles are prevented from being generated in the heat sealing process of the bag opening of the plastic bag, and the sealing effect of the plastic bag is improved advantageously; and the sealing effect of the plastic bag is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing technology field, concretely relates to a plastic bag hot-press sealing device. BACKGROUND

[0002] The plastic bag hot-press sealing is a method that two pieces of material of plastic bag are bonded together under the condition of heat and high pressure to achieve the purpose of moisture-proof, dust-proof, fresh-keeping and the like. Its principle is to heat the sealing part of the plastic bag to a viscous state, and then make the material of the sealing part bonded together through pressure to realize the closure. There are various hot-press sealing methods, including ordinary hot-press sealing method, fuse sealing, pulse sealing, ultrasonic sealing, high-frequency heat sealing and induction heat sealing and the like. Among them, flat plate heat sealing is the most commonly used method.

[0003] However, in actual application, the bag opening part of the plastic bag is prone to wrinkle or position folding during loading process, and the wrinkle and folding part will affect the heat sealing quality, easily form a leak hole and reduce the sealing effect of the sealing. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiency of prior art, provides a plastic bag hot-press sealing device to solve the problem in the background art.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] A plastic bag hot-press sealing device, including bottom plate and top plate, the top plate is located at the top of the bottom plate, the top outer wall of the bottom plate and the bottom outer wall of the top plate are fixedly provided with hot-press strips, the two sides outer walls of the top of the bottom plate and the bottom of the top plate are provided with two limiting grooves, one end of the limiting groove is provided with a sliding groove, the inner wall of the adjacent sliding groove is inserted with a U-shaped insert, the outer wall of one end of the U-shaped insert is fixedly provided with a spring at a distance, the outer wall of one end of the spring is fixedly provided with a mirror clamping plate, the outer wall of the mirror clamping plate and the inner wall of the limiting groove are slidably connected, the outer wall of one end of the U-shaped insert at the bottom is fixedly provided with a vertical upward guide rod, the outer wall of one end of the U-shaped insert at the top is provided with a sliding hole, the inner wall of the sliding hole and the outer wall of the guide rod are slidably connected, and the top end of the guide rod is fixedly provided with a pull handle.

[0007] As a preferred scheme of the plastic bag hot-press sealing device, the bottom outer wall of the bottom plate is fixedly provided with a base, the top two ends of the base are fixedly provided with vertical upward pneumatic push rods, the bottom two ends of the top plate are fixedly provided with support plates, and the output end of the pneumatic push rod is fixedly connected with the bottom outer wall of the support plate. The output shaft of the pneumatic push rod can drive the support plate to ascend and descend, so that the position of the top plate on the top of the bottom plate is conveniently controlled.

[0008] As a preferred plastic bag hot pressing sealing device, the top of the bottom plate is movably connected with a pressing rod through a hinge on one side, and a handle is fixed to the outer wall of the top of the pressing rod, which is convenient for fixing the plastic bag.

[0009] As a preferred plastic bag hot pressing sealing device, the top of the bottom plate is movably connected with a pressing rod through a hinge on one side, and a handle is fixed to the outer wall of the top of the pressing rod, which is convenient for fixing the plastic bag.

[0010] The beneficial effects of the utility model are as follows:

[0011] The utility model discloses a handle is pulled to pull the U-shaped plug piece in the sliding groove, makes the U-shaped plug piece drive mirror face clamping plate to slide on the inner wall of the limiting groove, and the U-shaped plug piece can be wiped flat in the bag mouth part of the plastic bag in the sliding process, avoids the generation of the folding wrinkle in the plastic bag bag mouth heat sealing process, is favorable to improving the sealing effect of the plastic bag, has increased the sealing effect of the plastic bag. ACCURACY

[0012] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment of the utility model. Obviously, the following described drawing is only some embodiments of the utility model, and for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0013] Fig. 1 It is the overall structure schematic diagram of the plastic bag hot pressing sealing device of the utility model.

[0014] Fig. 2 It is the structure schematic diagram of the U-shaped plug piece of the utility model.

[0015] Fig. 3 It is the structure schematic diagram of the bottom plate of the utility model.

[0016] In the drawing:

[0017] 1, bottom plate;2, top plate;3, base;4, pneumatic push rod;5, support plate;6, hot pressing strip;7, limiting groove;8, sliding groove;9, U-shaped plug piece;10, spring;11, mirror face clamping plate;12, sliding hole;13, guide rod;14, handle;15, first rubber strip;16, pressing rod;17, second rubber strip;18, handle. CONCRETE IMPLEMENTATION

[0018] The technical scheme of the utility model will be further illustrated by the specific implementation mode in combination with the drawings.

[0019] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual images. They should not be construed as limiting the scope of this patent. To better illustrate the embodiments of this utility model, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0020] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," "right," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0021] In the description of this utility model, unless otherwise explicitly specified and limited, the term "connection" or similar designation indicating the connection relationship between components should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Example 1

[0023] like Figs. 1-3 As shown, this embodiment provides a plastic bag heat sealing device, including a bottom plate 1 and a top plate 2. The top plate 2 is located on top of the bottom plate 1. A heat sealing strip 6 is fixedly provided on the top outer wall of the bottom plate 1 and the bottom outer wall of the top plate 2. Two limiting grooves 7 are opened on the top two outer walls of the bottom plate 1 and the bottom two outer walls of the top plate 2. A sliding groove 8 is opened at one end of the limiting groove 7. A U-shaped insert 9 is inserted into the inner wall of the adjacent sliding groove 8. A spring 10 is fixedly provided at equal intervals on the outer wall of one end of the corresponding U-shaped insert 9. A mirror clamp 11 is fixedly provided on the outer wall of one end of the spring 10. The outer wall of the mirror clamp 11 is slidably connected to the inner wall of the limiting groove 7. A vertically upward guide rod 13 is fixedly provided on the outer wall of one end of the bottom U-shaped insert 9. A sliding hole 12 is opened on the outer wall of one end of the top U-shaped insert 9. The inner wall of the sliding hole 12 is slidably connected to the outer wall of the guide rod 13. A handle 14 is fixedly provided at the top end of the guide rod 13.

[0024] Example 2

[0025] Based on the basis of example one, the bottom outer wall of the bottom plate 1 is fixedly provided with a base 3, the top two ends of the outer wall of the base 3 are fixedly provided with vertical upward pneumatic push rods 4, the bottom two ends of the top plate 2 are fixedly provided with support plates 5, the output ends of the pneumatic push rods 4 are fixedly connected with the bottom outer wall of the support plates 5, the output shaft of the pneumatic push rod 4 can drive the support plate 5 to ascend and descend, thereby facilitating the control of the position of the top plate 2 on the top of the bottom plate 1.

[0026] Example three

[0027] Based on the basis of example one, the top side of the bottom plate 1 is movably connected with a pressing rod 16 through a hinge, the top side outer wall of the pressing rod 16 is fixedly provided with a lifting handle 18, the lifting handle 18 is closed on the top of the bottom plate 1, thereby facilitating the fixation of the plastic bag, the top outer wall of the bottom plate 1 is bonded with a first rubber strip 15, the bottom outer wall of the pressing rod 16 is bonded with a second rubber strip 17, the second rubber strip 17 is located directly above the first rubber strip 15, and the second rubber strip 17 and the first rubber strip 15 are beneficial to improve the fixation effect of the plastic bag opening.

[0028] The working principle of the utility model:

[0029] Referring to the description accompanying drawings Figs. 1-3 , the plastic bag hot pressing sealing device of the utility model in use, first the end that needs to seal of plastic bag is laid on the top of bottom plate 1, then rotates lifting handle 18, makes lifting handle 18 fixed on the top of bottom plate 1, fixes plastic bag, then straightens the end of plastic bag, at this time, the output shaft of pneumatic push rod 4 is retracted to drive top plate 2 to descend, the mirror surface clamping plate 11 located on bottom plate 1 and top plate 2 is respectively extruded on the both sides of the end of plastic bag sealing part by spring 10, at this time, U-shaped insert piece 9 is pulled by pulling handle 14, U-shaped insert piece 9 drives mirror surface clamping plate 11 to slide on the inner wall of limiting groove 7, U-shaped insert piece 9 can wipe the opening part of plastic bag in the sliding process, avoids the folding wrinkle of plastic bag opening in the hot sealing process, is favorable to improving the sealing effect of plastic bag, increases the sealing effect of plastic bag, after the spreading of plastic bag, the heat of hot pressing strip 6 provided on top plate 2 is generated by bottom plate 1 to seal plastic bag.

[0030] It should be stated that the above specific embodiments are only the preferred embodiments of the utility model and the applied technical principles. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the utility model. However, as long as these changes do not deviate from the spirit of the utility model, they should be within the protection scope of the utility model. In addition, some terms used in the specification and claims of the present application are not limited, but only for the convenience of description.

Claims

1. A device for heat sealing the open end of a plastic bag, comprising: The utility model provides a kind of mirror frame, including bottom plate (1) and top plate (2), the top plate (2) is located at the top of bottom plate (1), the top of bottom plate (1) outer wall and the bottom outer wall of top plate (2) are fixed with heat pressing strip (6), the top of bottom plate (1) both sides outer wall and the bottom both sides outer wall of top plate (2) are opened with two limit slot (7), one end of limit slot (7) is opened with sliding slot (8), the inner wall of adjacent sliding slot (8) is inserted with U-shaped insert piece (9), corresponding one end outer wall of U-shaped insert piece (9) is fixed with equidistance distribution spring (10), one end outer wall of spring (10) is fixed with mirror clamping plate (11), the outer wall of mirror clamping plate (11) and the inner wall of limit slot (7) are slidably connected, the outer wall of one end of U-shaped insert piece (9) located in bottom is fixed with vertical upward guide rod (13), the outer wall of one end of U-shaped insert piece (9) located in top is opened with sliding hole (12), the inner wall of sliding hole (12) and the outer wall of guide rod (13) are slidably connected, the top one end of guide rod (13) is fixed with pull handle (14).

2. The apparatus of claim 1, wherein, The bottom outer wall of the bottom plate (1) is fixed with a base (3), the top two end outer walls of the base (3) are fixed with vertical upward pneumatic push rod (4), the bottom two ends of the top plate (2) are fixed with support plate (5), and the output end of the pneumatic push rod (4) is fixedly connected with the bottom outer wall of the support plate (5).

3. The apparatus of claim 1, wherein the heat seal bar is heated by a heating element. The top one side of the bottom plate (1) is movably connected with a pressing rod (16) through a hinge, and the top one side outer wall of the pressing rod (16) is fixedly provided with a lifting handle (18).

4. The apparatus of claim 3, wherein the heating element is a heating wire. The top outer wall of the bottom plate (1) is bonded with a first rubber strip (15), the bottom outer wall of the pressing rod (16) is bonded with a second rubber strip (17), and the second rubber strip (17) is located directly above the first rubber strip (15).

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