Plastic film bag sealing device

Abstract

The utility model relates to the technical field of plastic films, in particular to a plastic film bag sealing device which comprises a fixing frame, a side plate is fixedly arranged at the bottom end of the right side of the fixing frame, a metal pressing plate is arranged on the left wall in the fixing frame, and the right side of the metal pressing plate is connected with the left side of a hot press. The hot press is fixedly arranged at the center of a clamping plate in the clamping mechanism, the right side of a side plate penetrates through the inner wall through threads on the left side of the moving mechanism and is connected with the center of the right side of the clamping plate, and the contact between the hot press and the metal pressing plate box can be further improved, so that the sealing efficiency of the plastic film bag is improved; and the distance of the clamping mechanism can be adjusted through the moving mechanism by means of a T-shaped sliding groove formed in the top end, the applicability of the plastic film bags with different thicknesses is improved, the plastic film bags on the single side are extruded and then are parallel to a rotating belt in the fixing frame, stable movement can be rapidly conducted, sealing and discharging are improved, and the attractiveness is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic films, in particular to a plastic film bag sealing device. Background Art

[0002] Plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, used for packaging and as a coating layer. Plastic packaging and plastic packaging products occupy an increasingly larger share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical industry and other fields, among which food packaging accounts for the largest proportion, such as beverage packaging, quick-frozen food packaging, steamed food packaging, fast food packaging, etc. These products have brought great convenience to people's lives. According to the publication number CN216834567U, a plastic film bag sealing device that can prevent wrinkles from appearing at the sealing point and thus leakage is disclosed, including a first clamping plate and a second clamping plate that clamp the bag mouth of the film bag, and a driving mechanism that drives the two clamping plates to clamp or loosen the plastic film bag seal. At least one of the splints has a heating element for heat-sealing the opening of the film bag, and the two splints are wavy clamping surfaces that match each other. The wavy clamping surfaces of the two splints are used to flatten the opening of the plastic film bag before sealing it, and then heat-seal it to avoid folding and wrinkling of the plastic layer at the bag opening and poor sealing. It has a simple structure and can improve production efficiency. However, during operation, as the plastic bag continues to expand, a single plastic bag cannot be quickly sealed, and not only is the sealing degree insufficient, but the plastic bag cannot be continuously and smoothly sealed, which affects the quality of the plastic bag and reduces the sealing and aesthetics. Therefore, it is urgent to design a plastic film bag sealing device to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a plastic film bag sealing device to solve the problem raised in the above-mentioned background technology that, during operation, the plastic bag continues to expand, and a single plastic bag cannot be quickly sealed, so that not only the sealing degree is insufficient, but also the plastic bag cannot be sealed continuously and smoothly, which affects the quality of the plastic bag and reduces the sealing and aesthetics.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic film bag sealing device, comprising a fixed frame, a side plate is fixedly arranged at the right bottom end of the fixed frame, a metal pressure plate is arranged on the inner left wall of the fixed frame, the right side of the metal pressure plate is connected to the left side of a hot press, the hot press is fixed at the center of a clamping plate in a clamping mechanism, and the right side of the side plate is threaded through the inner wall by the left side of a moving mechanism and connected to the right center of the clamping plate.

[0005] Preferably, the top end of the side plate is fixed to the right bottom end of the L-shaped protective plate in the fixed frame, and T-shaped grooves are provided on the front and rear sides of the inner top wall of the L-shaped protective plate, and the top end of the clamping mechanism is sleeved on the bottom end of the T-shaped groove.

[0006] Preferably, a groove is provided on the inner bottom side of the L-shaped protective plate, a fixed shaft is inserted into the front and rear sides of the groove, and a rotating belt is sleeved on the outer side of the fixed shaft.

[0007] Preferably, the top ends of the T-shaped sliders in the clamping mechanism are respectively sleeved in the T-shaped slide grooves, the T-shaped sliders are horizontally parallel to each other, and the bottom ends of the T-shaped sliders are connected to the top end of the clamping plate.

[0008] Preferably, a through opening is provided at the central upper side of the clamping plate, the front and rear walls of the hot press are fixed inside the through opening, and a side groove is provided at the left side of the bottom end of the clamping plate, and the side groove is horizontally parallel to the groove.

[0009] Preferably, a plurality of groups of rotating rods are fixedly arranged inside the side grooves, and rubber rollers are mounted at the centers of the rotating rods.

[0010] Preferably, the left side thread of the screw in the moving mechanism passes through the center of the threaded sleeve, the threaded sleeve is fixed to the central inner wall of the side plate, the left side of the screw is inserted into the right side of the limit bearing, the left side of the limit bearing is fixed to the right wall of the clamping plate, and the right side of the screw is connected to the rotating handle.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The plastic film bag sealing device can further improve the contact between the hot press and the metal pressing plate box and improve the sealing efficiency of the plastic film bag through the metal pressing plate provided on the inner left wall of the fixed frame and the rotating belt connected to the fixed shaft fixed in the groove, and the T-shaped sliding groove opened at the top can adjust the distance of the clamping mechanism through the moving mechanism, thereby improving the applicability of plastic film bags with different thicknesses.

[0013] The plastic film bag sealing device can squeeze the plastic film bag on one side by arranging a rotating rod and a rubber roller in a side plate groove in a clamping mechanism, and then can quickly and smoothly move in parallel with a rotating belt in a fixed frame to improve sealing and feeding, thereby improving aesthetics. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view schematic diagram of the utility model;

[0015] Figure 2 This is a bottom view schematic diagram of the fixing frame structure of the utility model;

[0016] Figure 3 It is an enlarged schematic diagram of the clamping mechanism of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the clamping plate of the utility model.

[0018] In the figure: 1. fixed frame; 101. L-shaped protective plate; 102. T-shaped slide groove; 103. metal pressure plate; 104. groove; 105. fixed shaft; 106. rotating belt; 2. side plate; 3. clamping mechanism; 301. T-shaped slider; 302. clamping plate; 3021. through-hole; 3022. side groove; 3023. rotating rod; 3024. rubber roller; 4. hot press; 5. moving mechanism; 501. screw; 502. rotating handle; 503. threaded sleeve; 504. limit bearing. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 , an embodiment provided by the utility model:

[0021] A plastic film bag sealing device includes a fixed frame 1, characterized in that a side plate 2 is fixedly arranged at the bottom right end of the fixed frame 1, a metal pressing plate 103 is arranged on the inner left wall of the fixed frame 1, the right side of the metal pressing plate 103 is connected to the left side of a hot press 4, the hot press 4 is fixedly arranged at the center of a clamping plate 302 in a clamping mechanism 3, and the right side of the side plate 2 is threadedly penetrated through the inner wall by the left side of a moving mechanism 5 and connected to the right center of the clamping plate 302.

[0022] Furthermore, the top of the side plate 2 is fixed to the right bottom end of the L-shaped protective plate 101 in the fixed frame 1, and T-shaped slide grooves 102 are provided on the front and rear sides of the inner top wall of the L-shaped protective plate 101. The bottom end of the T-shaped slide groove 102 is sleeved on the top of the clamping mechanism 3 to improve the applicability of plastic film bags of different thicknesses.

[0023] Furthermore, a groove 104 is opened on the inner bottom side of the L-shaped protective plate 101, and a fixed shaft 105 is inserted into the front and rear sides of the groove 104. A rotating belt 106 is sleeved on the outer side of the fixed shaft 105, which can further improve the contact between the hot press and the metal press box and improve the sealing efficiency of the plastic film bag.

[0024] Furthermore, the top ends of the T-shaped sliders 301 in the clamping mechanism 3 are respectively sleeved in the T-shaped slide grooves 102, the T-shaped sliders 301 are horizontally parallel to each other, and the bottom ends of the T-shaped sliders 301 are connected to the top ends of the clamping plates 302, thereby reducing the distance between the plastic film bags and improving the sealing performance.

[0025] As a further step of the present invention, a through hole 3021 is provided on the central upper side of the clamping plate 302, and the front and rear walls of the hot press 4 are fixed inside the through hole 3021. A side groove 3022 is provided on the left side of the bottom end of the clamping plate 302, and the side groove 3022 is horizontally parallel to the groove 104. Multiple groups of rotating rods 3023 are fixed inside the side groove 3022, and a rubber roller 3024 is assembled at the center of the rotating rod 3023. By being parallel to the rotating belt in the fixed frame, it can quickly and smoothly move to improve the sealing and unloading, thereby improving the aesthetics.

[0026] Furthermore, the left thread of the screw rod 501 in the moving mechanism 5 passes through the center of the threaded sleeve 503, the threaded sleeve 503 is fixed to the central inner wall of the side plate 2, the left side of the screw rod 501 is inserted into the right side of the limit bearing 504, the left side of the limit bearing 504 is fixed to the right wall of the clamping plate 302, and the right side of the screw rod 501 is connected to the rotating handle 502, which is convenient for adjustment and sealing of the plastic film bag.

[0027] Working principle: When in use, the user first places the device on the upper side of the plastic film bag to be sealed, and then drives the screw rod 501 to rotate by rotating the rotating handle 502 on the right side of the side plate 2. The screw rod 501 moves inward in the internal thread of the fixed threaded sleeve 503, and the T-shaped slider 301 connected to the top of the clamping plate 302 can be slid in the T-shaped slide groove 102 to clamp the plastic film bag. Then start the hot press 4. When the temperature is reached, hot pressing can be carried out, and the fixed frame 1 and the side plate 2 can be pulled, and the rotating belt 106 inside the left groove 104 and the rubber roller 3024 in the right rotating rod 3023 can be moved to improve the neatness and aesthetics. This is the entire working principle of the utility model.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plastic film bag sealing device, comprising a fixing frame (1), characterized in that: A side plate (2) is fixedly arranged at the bottom right end of the fixed frame (1), a metal pressing plate (103) is arranged on the inner left wall of the fixed frame (1), the right side of the metal pressing plate (103) is connected to the left side of the hot press (4), the hot press (4) is fixedly arranged at the center of the clamping plate (302) in the clamping mechanism (3), and the right side of the side plate (2) is threadedly penetrated through the inner wall by the left side of the movable mechanism (5) and connected to the right center of the clamping plate (302).

2. A plastic film bag sealing device according to claim 1, characterized in that: The top end of the side plate (2) is fixedly mounted on the right bottom end of the L-shaped protective plate (101) in the fixing frame (1), and T-shaped sliding grooves (102) are provided on the front and rear sides of the inner top wall of the L-shaped protective plate (101), and the top end of the clamping mechanism (3) is sleeved on the bottom end of the T-shaped sliding groove (102).

3. A plastic film bag sealing device according to claim 2, characterized in that: A groove (104) is provided on the inner bottom side of the L-shaped protective plate (101), a fixed shaft (105) is inserted into the front and rear sides of the groove (104), and a rotating belt (106) is sleeved on the outer side of the fixed shaft (105).

4. A plastic film bag sealing device according to claim 1, characterized in that: The top ends of the T-shaped sliders (301) in the clamping mechanism (3) are respectively sleeved in the T-shaped slide grooves (102), the T-shaped sliders (301) are horizontally parallel to each other, and the bottom ends of the T-shaped sliders (301) are connected to the top end of the clamping plate (302).

5. A plastic film bag sealing device according to claim 4, characterized in that: A through opening (3021) is provided on the central upper side of the clamping plate (302), and the front and rear walls of the hot press (4) are fixed inside the through opening (3021). A side groove (3022) is provided on the left side of the bottom end of the clamping plate (302), and the side groove (3022) is horizontally parallel to the groove (104).

6. A plastic film bag sealing device according to claim 5, characterized in that: A plurality of groups of rotating rods (3023) are fixedly arranged inside the side groove (3022), and a rubber roller (3024) is mounted at the center of the rotating rod (3023).

7. A plastic film bag sealing device according to claim 1, characterized in that: The left thread of the screw rod (501) in the moving mechanism (5) passes through the center of the threaded sleeve (503), the threaded sleeve (503) is fixed to the central inner wall of the side plate (2), the left side of the screw rod (501) is inserted into the right side of the limit bearing (504), the left side of the limit bearing (504) is fixed to the right wall of the clamping plate (302), and the right side of the screw rod (501) is connected to the rotating handle (502).

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