Sealing mechanism with liquid leakage prevention effect

Abstract

The utility model discloses a sealing mechanism with a liquid leakage prevention effect, which comprises a base plate, a first movable plate and a second movable plate are movably arranged on the base plate, and a first driving piece for driving the first movable plate to reciprocate and a second driving piece for driving the second movable plate to reciprocate are further arranged on the base plate. A first heat-sealing module is installed on the side portion of the first movable plate, a second heat-sealing module is installed on the side portion of the second movable plate, and a plurality of sets of leakage-proof hot-pressing protruding ribs are arranged on the first heat-sealing module. The sealing mechanism with the liquid leakage prevention effect has the advantages of being novel in structural design and good in use convenience, and the production quality and the working efficiency of the hot-pressing sealing procedure can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing equipment technical field, concretely relates to a sealing mechanism with liquid leakage prevention effect. BACKGROUND

[0002] Liquid back sealing packing machine is a kind of equipment for liquid material packaging, mainly for the quantitative filling of liquid material to prefabricated back sealing bag, and the bag mouth is sealed by heat sealing technology, suitable for beverage, jelly, medicine and other liquid materials, the sealing mechanism of existing packing machine generally uses two heat sealing planes to heat-press sealing, but the heat sealing plane is difficult to keep flat after using for a period of time due to wear, so that the heat sealing layer of packaging bag cannot be fully fused, forming false sealing, the sealing looks complete, but there is a small gap, easily leading to the leakage of packaging bag, affecting the production quality and working efficiency of sealing process, and there is certain limitation. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the technical problems of overcoming the deficiencies of prior art, and provides a sealing mechanism with liquid leakage prevention effect, which has novel structure design, good use convenience, and can effectively improve the production quality and working efficiency of heat-press sealing process.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A sealing mechanism with liquid leakage prevention effect, comprising a base plate, a first movable plate and a second movable plate movably arranged on the base plate, a first driving member for driving the first movable plate to reciprocate and a second driving member for driving the second movable plate to reciprocate are further arranged on the base plate, a first heat sealing module is installed on the side of the first movable plate, a second heat sealing module is installed on the side of the second movable plate, and a plurality of leakage prevention heat-press ribs are arranged on the first heat sealing module.

[0006] As a further improvement of the above technical scheme:

[0007] A first guide member is installed on the top of the first movable plate, a second guide member is installed on the top of the second movable plate, the first guide member comprises a first connecting plate portion and a first inclined plate portion, the first connecting plate portion and the first inclined plate portion are connected by a first bending portion, the second guide member comprises a second connecting plate portion and a second inclined plate portion, the second connecting plate portion and the second inclined plate portion are connected by a second bending portion, and the first bending portion and the second bending portion are oppositely arranged.

[0008] An easy-to-tear opening cutter is arranged on the second movable plate, the easy-to-tear opening cutter is movably arranged in the second heat sealing module, and a third driving member for driving the easy-to-tear opening cutter to reciprocate is further arranged on the second movable plate.

[0009] The second driving member is provided with a push plate and a guide shaft between the second movable plate, the push plate is fixedly arranged at one end of the guide shaft, the second movable plate is fixedly arranged at the other end of the guide shaft, a first linear bearing is arranged on the base plate, the guide shaft is movably arranged on the base plate through the first linear bearing, and the output shaft of the second driving member is fixedly connected with the push plate so as to drive the second movable plate to move reciprocatingly.

[0010] The first movable plate is provided with a second linear bearing, the guide shaft is movably arranged on the first movable plate through the second linear bearing, and the output shaft of the first driving member is fixedly connected with the first movable plate so as to drive the first movable plate to move reciprocatingly.

[0011] Compared with the prior art, the sealing mechanism has the advantages that:

[0012] The sealing mechanism with the liquid leakage prevention effect comprises a first movable plate and a second movable plate, a first heat sealing module is installed on the first movable plate, and a second heat sealing module is installed on the second movable plate, a plurality of leakage prevention heat pressing ribs are arranged on the first heat sealing module, and the first heat sealing module and the second heat sealing module are close to each other to complete heat pressing sealing, a plurality of heat pressing fusion leakage prevention ribs can be formed at the sealing position of the packaging bag, liquid in the packaging bag can be effectively prevented from leaking from the sealing position, the sealing mechanism has the advantages of novel and compact structure design, small occupied space, good use convenience, strong continuous working capacity, and the production quality and working efficiency of the heat pressing sealing process can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the sealing mechanism.

[0014] Figure 2 It is a structural schematic view of the sealing mechanism from another angle.

[0015] Figure 3 It is a structural schematic view of the first movable plate and components thereon.

[0016] Figure 4 It is a structural schematic view of the second movable plate and components thereon. Figure 3 It is an enlarged view of detail A.

[0017] Figure 5 It is an enlarged view of detail A.

[0018] Figure 6 It is a structural schematic view of the second movable plate and components thereon.

[0019] LEGEND:

[0020] 1, base plate; 2, first movable plate; 201, first heat sealing module; 202, first guide-in piece; 2021, first connecting plate part; 2022, first inclined plate part; 3, second movable plate; 301, second heat sealing module; 302, second guide-in piece; 3021, second connecting plate part; 3022, second inclined plate part; 303, easy-to-tear opening cutter; 304, third driving piece; 4, first driving piece; 5, second driving piece; 6, leakage-proof heat pressing protrusion; 7, push plate; 8, guide shaft; 9, first linear bearing; 10, second linear bearing. DETAILED DESCRIPTION

[0021] The utility model will be explained in further detail below in combination with the drawings and specific embodiments.

[0022] As Figures 1 to 6 shown, the sealing mechanism with liquid leakage-proof effect of the embodiment comprises a base plate 1, a first movable plate 2 and a second movable plate 3 movably arranged on the base plate 1, a first driving piece 4 for driving the first movable plate 2 to reciprocate and a second driving piece 5 for driving the second movable plate 3 to reciprocate further arranged on the base plate 1, a first heat sealing module 201 mounted on the side of the first movable plate 2, a second heat sealing module 301 mounted on the side of the second movable plate 3, and a plurality of leakage-proof heat pressing protrusions 6 arranged on the first heat sealing module 201. The sealing mechanism with liquid leakage-proof effect comprises the first movable plate 2 and the second movable plate 3, the first heat sealing module 201 mounted on the first movable plate 2, and the second heat sealing module 301 mounted on the second movable plate 3, wherein the first heat sealing module 201 is provided with a plurality of leakage-proof heat pressing protrusions 6, and after the first heat sealing module 201 and the second heat sealing module 301 are close to each other to complete heat sealing, a plurality of heat pressing fusion leakage-proof protrusions can be formed at the sealing position of the packaging bag, effectively preventing the liquid in the packaging bag from leaking from the sealing position. The sealing mechanism with liquid leakage-proof effect has the advantages of novel and compact structure, small space occupation, good convenience in use, strong continuous working capacity, and can effectively improve the production quality and working efficiency of the heat sealing process.

[0023] Preferably, the first movable plate 2 is provided with a first guide 202 at the top thereof, and the second movable plate 3 is provided with a second guide 302 at the top thereof. The first guide 202 comprises a first connecting plate portion 2021 and a first inclined plate portion 2022, and the first connecting plate portion 2021 and the first inclined plate portion 2022 are connected by a first bending portion. The second guide 302 comprises a second connecting plate portion 3021 and a second inclined plate portion 3022, and the second connecting plate portion 3021 and the second inclined plate portion 3022 are connected by a second bending portion. The first bending portion is arranged opposite to the second bending portion. In the embodiment, the first guide 202 is fixedly arranged on the top of the first movable plate 2 through the first connecting plate portion 2021, the second guide 302 is fixedly arranged on the top of the second movable plate 3 through the second connecting plate portion 3021, and the first bending portion is arranged opposite to the second bending portion, so that a guide groove with a gradually-narrowing width from top to bottom is formed between the first inclined plate portion 2022 and the second inclined plate portion 3022. Even if the direction of the packaging bag deviates during the downward conveying of the packaging bag, the packaging bag can still slide along the first inclined plate portion 2022 or the second inclined plate portion 3022 to complete the heat sealing and sealing between the first heat sealing module 201 and the second heat sealing module 301.

[0024] As shown in Figure 6 , preferably, the second movable plate 3 is provided with a tearable opening cutter 303, and the tearable opening cutter 303 is movably arranged in the second heat sealing module 301. The second movable plate 3 is further provided with a third driving member 304 for driving the tearable opening cutter 303 to move back and forth. In the embodiment, during the heat sealing and sealing process, the third driving member 304 can drive the tearable opening cutter 303 to extend out of the second heat sealing module 301, so as to cut a dashed-line tearable opening at the heat sealing and sealing position of the packaging bag, so that the packaging bag can be easily torn along the dashed-line tearable opening when being opened. After the cutting is completed, the third driving member 304 drives the tearable opening cutter 303 to retract into the second heat sealing module 301, so as to avoid the tearable opening cutter 303 from scratching the packaging bag upstream and affecting the appearance of the product.

[0025] As shown in Figure 1 and Figure 2 , the second driving member 5 and the second movable plate 3 are provided with a push plate 7 and a guide shaft 8. The push plate 7 is fixedly arranged at one end of the guide shaft 8, and the second movable plate 3 is fixedly arranged at the other end of the guide shaft 8. The base plate 1 is provided with a first linear bearing 9, and the guide shaft 8 is movably arranged in the base plate 1 through the first linear bearing 9. The output shaft of the second driving member 5 is fixedly connected with the push plate 7, so as to drive the second movable plate 3 to move back and forth. In the embodiment, the second movable plate 3 is movably arranged in the base plate 1 through the guide shaft 8 and the first linear bearing 9, which has the advantages of simple structure, convenient disassembly and assembly, and long service life, and can ensure that the second movable plate 3 moves back and forth stably during the heat sealing and sealing process.

[0026] Preferably, the first movable plate 2 is provided with a second linear bearing 10, the guide shaft 8 is movably arranged on the first movable plate 2 through the second linear bearing 10, and the output shaft of the first driving member 4 is fixedly connected with the first movable plate 2 to drive the first movable plate 2 to move reciprocally. In the embodiment, the first movable plate 2 is slidably connected with the guide shaft 8 through the second linear bearing 10, so that the first movable plate 2 and the second movable plate 3 always keep on the same straight line when moving close to or away from each other, which can effectively avoid deviation of the hot-press sealing position, has strong continuous working capacity, and is beneficial to improve the production efficiency.

[0027] It should be noted that, in the embodiment, the first driving member 4, the second driving member 5 and the third driving member 304 all adopt the form of telescopic air cylinders, which has the advantages of compact structure, small space occupation, good running stability and high control precision, and in other embodiments, the first driving member 4, the second driving member 5 and the third driving member 304 can also adopt gear and rack transmission mechanisms, oil cylinders, electric cylinders and other components with reciprocating movement function, and are not limited to the embodiment.

[0028] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. For those skilled in the art, the improvements and changes obtained without departing from the technical concept of the present application should also be considered as the protection scope of the present application.

Claims

1. A sealing mechanism with liquid leak-proof effect, characterized in that, The system includes a substrate (1), on which a first movable plate (2) and a second movable plate (3) are movably disposed. The substrate (1) is also provided with a first driving member (4) for driving the first movable plate (2) to reciprocate and a second driving member (5) for driving the second movable plate (3) to reciprocate. A first heat sealing module (201) is installed on the side of the first movable plate (2), and a second heat sealing module (301) is installed on the side of the second movable plate (3). The first heat sealing module (201) is provided with multiple sets of leak-proof heat-pressing ribs (6).

2. The sealing mechanism with liquid leak-proof effect according to claim 1, characterized in that, The first movable plate (2) is equipped with a first guide member (202) on its top, and the second movable plate (3) is equipped with a second guide member (302) on its top. The first guide member (202) includes a first connecting plate portion (2021) and a first inclined plate portion (2022). The first connecting plate portion (2021) and the first inclined plate portion (2022) are connected by a first bending portion. The second guide member (302) includes a second connecting plate portion (3021) and a second inclined plate portion (3022). The second connecting plate portion (3021) and the second inclined plate portion (3022) are connected by a second bending portion. The first bending portion and the second bending portion are arranged opposite to each other.

3. The sealing mechanism with liquid leak-proof effect according to claim 1, characterized in that, The second movable plate (3) is provided with an easy-tear cutter (303), which is movably inserted into the second heat sealing module (301). The second movable plate (3) is also provided with a third driving member (304) for driving the easy-tear cutter (303) to move back and forth.

4. The sealing mechanism with liquid leak-proof effect according to claim 1, characterized in that, A push plate (7) and a guide shaft (8) are provided between the second driving member (5) and the second movable plate (3). The push plate (7) is fixedly disposed at one end of the guide shaft (8), and the second movable plate (3) is fixedly disposed at the other end of the guide shaft (8). A first linear bearing (9) is provided on the base plate (1). The guide shaft (8) is movably disposed on the base plate (1) through the first linear bearing (9). The output shaft of the second driving member (5) is fixedly connected to the push plate (7) to drive the second movable plate (3) to reciprocate.

5. The sealing mechanism with liquid leak-proof effect according to claim 4, characterized in that, The first movable plate (2) is provided with a second linear bearing (10), and the guide shaft (8) is movably mounted on the first movable plate (2) through the second linear bearing (10). The output shaft of the first driving member (4) is fixedly connected to the first movable plate (2) to drive the first movable plate (2) to reciprocate.

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