Device for preventing adhesion of inner bag and outer bag

Abstract

The utility model relates to the technical field of preventing bonding of inner and outer bags, and aims to solve the problem that the inner and outer bags are easy to bond when a bag opening of an existing bag body is heat-sealed. The utility model provides a device for preventing an inner bag and an outer bag from being adhered. The device comprises a barrel body, a rack, a pressure plate and a pair of film stripping plates, the barrel body is arranged at the bottom of the rack; the pressure plate is hung at the top of the opening of the barrel body; one end, far away from the barrel body, of the pressure plate is telescopically connected with the rack; the pair of film stripping plates are oppositely arranged at the two side ends of the pressure plate; the pair of film stripping plates are both telescopically connected with the rack; a bag beating assembly is arranged at the side end, away from the film stripping plate, of the pressing disc. According to the device for preventing the inner bag and the outer bag from being adhered, the subsequent press-fit heat sealing of the outer bag is facilitated, and the adhesion condition of the inner bag and the outer bag during the heat sealing of the outer bag can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field that prevents inside and outside bag sticking, specifically, relates to a device that prevents inside and outside bag sticking. BACKGROUND

[0002] As a common packaging form, inner and outer bag packaging is widely used in many industries such as medicines and food, and after product loading, the heat sealing of the inner bag opening and the outer bag opening needs to be carried out respectively; in the prior art, a pair of hot pressing plates are usually used for pressing, such as the patent with the announcement number CN220076883U, which discloses a kind of pneumatic bag opening heat sealing equipment, specifically, a pair of cylinders respectively make upper pressing plate contact with lower pressing plate, the stress of each part between upper pressing plate and lower pressing plate is more evenly, so that each part of bag opening is firmly heat sealed;However, the device and the existing bag sealing device are also generally only applicable to single bag sealing or inner and outer bag combined sealing;It cannot meet the needs of inner and outer bag sealing respectively, and when the outer bag is sealed, the inner bag opening and bag body are easily bonded with the outer bag.

[0003] Based on the above description, a device for preventing the bonding of inner and outer bags is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a device for preventing the bonding of inner and outer bags, to solve the technical problem of easy bonding of inner and outer bags during the heat sealing of bag opening.

[0005] The embodiment of the utility model realizes the following technical scheme:

[0006] A device for preventing the bonding of inner and outer bags, comprising a barrel, a rack, a pressing disc and a pair of film pulling plates, the barrel is arranged at the bottom of the rack, the pressing disc is hung at the opening top of the barrel, the end of the pressing disc away from the barrel is connected with the rack in an extension and retraction manner, a pair of film pulling plates are arranged at the two side ends of the pressing disc in opposition, a pair of film pulling plates are connected with the rack in an extension and retraction manner, and the side end of the pressing disc away from the film pulling plates is provided with a bag beating assembly.

[0007] As a preferred, the film pulling plate is an arc plate, the concave part of the arc plate faces the outer sidewall of the barrel, the convex part of the arc plate is connected with a mounting block through a connecting horizontal rod, and the mounting block is connected with the rack through a plurality of lifting rods.

[0008] As a preferred, the rack is provided with a sliding assembly reciprocating along the horizontal direction, and the end of the lifting rod away from the film pulling plate is connected with the rack through the sliding assembly.

[0009] As preferred, the sliding assembly comprises a sliding base, a connecting sliding block and a horizontal telescopic rod; the rack is provided with a sliding groove; two ends of the connecting sliding block are both out of the sliding groove and connected with the sliding base and the lifting rod respectively; the horizontal telescopic rod is arranged at one end of the rack far away from the lifting rod; and the horizontal telescopic rod is connected with the sliding base.

[0010] As preferred, two side ends of the connecting sliding block are both vertically provided with a limiting sliding block; and the inner wall of the sliding groove is provided with a limiting sliding groove for embedding the limiting sliding block.

[0011] As preferred, the bag beating assembly comprises a pair of pressing strips, a mounting horizontal plate and a pair of telescopic cylinders; the pressing strip comprises a connecting part and a movable part; one end of the connecting part far away from the movable part is hinged with the mounting horizontal plate; one end of the connecting part close to the movable part is hinged with the telescopic cylinder; the telescopic cylinder is hinged with the mounting horizontal plate; and the movable part is arranged to extend at the outer side wall of the barrel.

[0012] As preferred, two ends of the mounting horizontal plate are provided with a buffer groove; and the buffer groove is for embedding one end of the movable part far away from the telescopic cylinder.

[0013] The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0014] The bag beating assembly is used for beating the inner bag after heat sealing, and then the inner bag is pressed into the barrel by the telescopic adjusting pressure disc, and then since the outer bag is pre-installed on the barrel, the bag opening is reversely installed at the top opening of the barrel, and then the outer bag is reversely pulled up at the bag opening part of the barrel by the pair of film pulling plates, so that the subsequent pressing and heat sealing of the outer bag is facilitated, and the adhesion of the inner and outer bags during heat sealing of the outer bag is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 It is the top view of the utility model.

[0017] Figures: 1-barrel, 2-rack, 3-pressing disc, 4-film pulling plate, 5-bag beating assembly, 51-pressing strip, 52-mounting horizontal plate, 53-telescopic cylinder, 6-lifting rod, 7-sliding assembly, 71-sliding base, 72-connecting sliding block, 73-horizontal telescopic rod, 8-limiting sliding block, 9-buffer groove. DETAILED DESCRIPTION

[0018] The specific embodiment is described below in combination with the drawings.

[0019] Embodiment 1

[0020] Please refer toFigures 1 to 2 The utility model provides the following technical scheme: a device for preventing the adhesion of inner and outer bags, which is suitable for the simultaneous heat sealing of inner and outer bags.

[0021] Specifically, as shown in Figure 1 and Figure 2 , a device for preventing the adhesion of inner and outer bags comprises a barrel 1, a rack 2, a pressure plate 3, and a pair of film pulling plates 4. The barrel 1 is arranged at the bottom of the rack 2. The pressure plate 3 is hung at the open top of the barrel 1. The end of the pressure plate 3 away from the barrel 1 is connected to the rack 2 in an extendable and retractable manner. The pair of film pulling plates 4 are arranged opposite to each other at the two side ends of the pressure plate 3. The pair of film pulling plates 4 are both connected to the rack 2 in an extendable and retractable manner. The side end of the pressure plate 3 away from the film pulling plates 4 is provided with a bag beating assembly 5.

[0022] In this embodiment, the inner bag is beaten after heat sealing by the bag beating assembly 5, and then the inner bag is pressed into the inside of the barrel 1 by the extendable and retractable pressure plate 3. Subsequently, since the outer bag is pre-fitted on the barrel 1, the bag opening of the outer bag is reversely fitted on the top opening of the barrel 1. Then, the outer bag is pulled up by the pair of film pulling plates 4 to facilitate the subsequent pressing and heat sealing of the outer bag, thereby effectively avoiding the adhesion of the inner and outer bags during the heat sealing of the outer bag.

[0023] In this embodiment, the inner bag is in an upright state before heat sealing, and the bag opening of the inner bag does not need to be reversely fitted on the top opening of the barrel 1. Then, after the heat sealing of the inner bag, the inner bag is beaten and flattened by the bag beating assembly 5, and then pushed and pressed by the pressure plate 3. The bag opening of the inner bag is completely pressed into the part of the outer bag embedded in the barrel 1, so that the part of the outer bag reversely fitted on the top of the barrel 1 can be rubbed to pull the bag opening of the outer bag straight, thereby facilitating the heat sealing of the pulled straight bag opening of the outer bag by the heat sealing mechanism.

[0024] In this embodiment, the barrel 1 is continuously sent to the part of the rack 2 for continuous heat sealing treatment by using a roller conveyor.

[0025] Specifically, as shown in Figure 1 and Figure 2 , the film pulling plate 4 is an arc plate. The concave part of the arc plate faces the outer side wall of the barrel 1. The convex part of the arc plate is connected to a mounting block through a connecting horizontal rod. The mounting block is connected to the rack 2 through a plurality of lifting rods 6.

[0026] In this embodiment, the arc plate is used to facilitate the adhesion with the arc wall of the barrel 1, so that the outer bag can be accurately and uniformly pulled up. In addition, the lifting rod 6 is an electric lifting rod or a pneumatic lifting rod commonly used in the field.

[0027] Specifically, as shown in Figure 1 and Figure 2As shown, the rack 2 is provided with a sliding assembly 7 reciprocating along the horizontal direction; the lifting rod 6 is connected with the rack 2 through the sliding assembly 7 away from the membrane plate 4. The sliding assembly 7 comprises a sliding seat 71, a connecting sliding block 72 and a horizontal telescopic rod 73; the rack 2 is provided with a sliding groove; the two ends of the connecting sliding block 72 are both out of the sliding groove and connected with the sliding seat 71 and the lifting rod 6 respectively; the horizontal telescopic rod 73 is arranged at the end of the rack 2 away from the lifting rod 6; the horizontal telescopic rod 73 is connected with the sliding seat 71.

[0028] In this embodiment, the horizontal telescopic rod 73 adopts the electric telescopic rod or the pneumatic telescopic rod commonly used in the art, and the sliding seat 71 is driven to reciprocate along the horizontal direction through the horizontal telescopic rod 73, so as to adjust the horizontal position of the membrane plate 4, and then facilitate clamping a pair of membrane plates 4 on both sides of the top of the barrel body 1 during membrane rolling.

[0029] Specifically, as shown in Figure 1 and Figure 2 , the two side ends of the connecting sliding block 72 are both vertically provided with a limiting sliding block 8; the inner wall of the sliding groove is provided with a limiting sliding groove for embedding the limiting sliding block 8.

[0030] In this embodiment, the limiting sliding block 8 embedded in the limiting sliding groove further ensures the stability of the sliding seat 71 during sliding.

[0031] Specifically, as shown in Figure 1 and Figure 2 , the bag beating assembly 5 comprises a pair of pressing strips 51, a mounting horizontal plate 52 and a pair of telescopic cylinders 53; the pressing strip 51 comprises a connecting part and a movable part; the end of the connecting part away from the movable part is hinged with the mounting horizontal plate 52; the end of the connecting part close to the movable part is hinged with the telescopic cylinder 53; the telescopic cylinder 53 is hinged with the mounting horizontal plate 52; the movable part extends to the outer side wall of the barrel body 1.

[0032] In this embodiment, the connecting part of the pressing strip 51 adopts a straight rod or an inclined rod, and the movable part adopts an arc rod, so as to facilitate opening and closing the inner bag for beating and flattening, and also facilitate storage without hindering.

[0033] Specifically, as shown in Figure 1 Figure 2 Figure 1 , the two ends of the mounting horizontal plate 52 are provided with a buffer groove 9; the buffer groove 9 is embedded with the end of the movable part away from the telescopic cylinder 53.

[0034] In this embodiment, the buffer groove 9 adopts the commonly used buffer materials such as sponge or silica gel; by adopting the buffer groove 9, the pressing strip 51 can be accommodated, and damage to the pressing strip 51 can be avoided.

Claims

1. A device for preventing the sticking of an inner bag to an outer bag, characterized by: Including the barrel (1), frame (2), platen (3) and a pair of membrane plate (4); The barrel (1) is located at the bottom of the frame (2); The platen (3) is hung in the opening top of the barrel (1); The platen (3) is connected with the frame (2) at the end away from the barrel (1); A pair of the membrane plate (4) is oppositely arranged at the two side ends of the platen (3); A pair of the membrane plate (4) is connected with the frame (2) at the end away from the platen (4); The platen (3) is provided with a bag beating assembly (5) at the side end away from the membrane plate (4).

2. The apparatus of claim 1, wherein: The membrane plate (4) is an arc plate; The concave part of the arc plate faces the outer side wall of the barrel (1); The convex part of the arc plate is connected with a mounting block through a connecting cross bar; The mounting block is connected with the frame (2) through a plurality of lifting rods (6).

3. The apparatus of claim 2, wherein: The frame (2) is provided with a sliding assembly (7) reciprocating along the horizontal direction; The end of the lifting rod (6) away from the membrane plate (4) is connected with the frame (2) through the sliding assembly (7).

4. The apparatus of claim 3, wherein: The sliding assembly (7) includes a sliding seat (71), a connecting sliding block (72) and a horizontal telescopic rod (73); The frame (2) is provided with a sliding groove; The two ends of the connecting sliding block (72) are both inserted into the sliding groove and connected with the sliding seat (71) and the lifting rod (6) respectively; The horizontal telescopic rod (73) is arranged at the end of the frame (2) away from the lifting rod (6); The horizontal telescopic rod (73) is connected with the sliding seat (71).

5. The apparatus of claim 4, wherein: The two side ends of the connecting sliding block (72) are both vertically provided with a limiting sliding block (8); The inner wall of the sliding groove is provided with a limiting sliding groove for embedding the limiting sliding block (8).

6. The apparatus for preventing the inner and outer bags from adhering to each other according to any one of claims 1 to 5, characterized by: The bag beating assembly (5) includes a pair of pressing strips (51), a mounting horizontal plate (52) and a pair of telescopic cylinders (53); The pressing strip (51) includes a connecting part and a movable part; The end of the connecting part away from the movable part is hinged with the mounting horizontal plate (52); The end of the connecting part close to the movable part is hinged with the telescopic cylinder (53); The telescopic cylinder (53) is hinged with the mounting horizontal plate (52); The movable part extends to the outer side wall of the barrel (1).

7. The apparatus of claim 6, wherein: The two ends of the mounting horizontal plate (52) are provided with a buffer groove (9); The buffer groove (9) is embedded with the end of the movable part away from the telescopic cylinder (53).

Images