Edge sealing device for paper-plastic composite bag

Abstract

The utility model discloses an edge sealing device for a paper-plastic composite bag, which comprises a machine body, a paper-plastic composite bag and an edge sealing device, the supporting frame is arranged above the machine body, and a space for containing a compound bag is formed in the supporting frame; the at least two driving units are oppositely arranged on the supporting frame, and the two opposite driving units can synchronously move close to each other or away from each other; the heat sealing assembly is connected with a driving unit and used for providing heat for edge sealing of a bag opening of the composite bag; the pressure-bearing assembly is connected with the other driving unit, and the position of the pressure-bearing assembly corresponds to the position of the heat-sealing assembly; wherein the composite bag is located between the heat sealing assembly and the pressure bearing assembly, and the heat sealing assembly and the pressure bearing assembly can synchronously move towards the composite bag and conduct extrusion heat sealing on a bag opening of the composite bag. The paper-plastic composite bag edge sealing device facilitates heat sealing of a bag opening when a paper-plastic composite bag is vertically placed, and the edge sealing requirement of the paper-plastic composite bag containing objects can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat sealing device technical field, concretely relates to a kind of edge sealing device of paper-plastic composite bag. BACKGROUND

[0002] The edge sealing device of paper-plastic composite bag is one of common packaging bags, which is composed of plastic and kraft paper. For merchants or customers with specific needs, after the bag body is loaded with the required food or articles, the bag opening needs to be heat sealed. The existing small heat sealing machine is mostly of up-down heat sealing structure, which is not suitable for heat sealing of composite bags containing articles, is inconvenient to use, and requires manual folding and holding of the bag opening, which may cause scalding. SUMMARY

[0003] The utility model provides an edge sealing device suitable for paper-plastic composite bags to avoid the deficiencies of the prior art.

[0004] The utility model discloses a kind of edge sealing devices of paper-plastic composite bag, including:

[0005] Machine body, the machine body upper has accommodating space;

[0006] Support frame is arranged on the machine body upper, and the support frame has the space for accommodating composite bag in it;

[0007] At least two drive units are oppositely arranged on the support frame, and the two opposite drive units can make synchronous movement close to or away from each other;

[0008] Heat sealing assembly is connected with one drive unit, and the heat sealing assembly is used to provide heat for edge sealing of the bag opening of composite bag;

[0009] Pressure-bearing assembly is connected with another drive unit, and the position of the pressure-bearing assembly corresponds to the position of the heat sealing assembly;

[0010] Wherein, the composite bag is located between the heat sealing assembly and the pressure-bearing assembly, and the heat sealing assembly and the pressure-bearing assembly can move synchronously to the composite bag and extrude the bag opening of the composite bag.

[0011] In several embodiments, the support frame includes a main frame and a plurality of support rods arranged below the main frame, and the support rods are connected with the upper end of the machine body.

[0012] In several embodiments, a slide rail is arranged above the main frame.

[0013] In some embodiments, the driving unit comprises a driving cylinder, a cylinder support seat and a transmission seat, the cylinder support seat is arranged on the main frame and used to connect the driving cylinder, the output end of the driving cylinder is connected with the transmission seat, and the transmission seat is in sliding fit with the slide rail and can move along the slide rail.

[0014] In some embodiments, the heat sealing assembly comprises a first connecting block, a first connecting plate, a first mounting plate and a heating sheet, the first connecting block is arranged between the transmission seat and the first connecting plate, the first mounting plate is connected with the first connecting plate, and the heating sheet is arranged on the first mounting plate.

[0015] In some embodiments, the first mounting plate has two symmetrical and inclined first mounting surfaces, a vertical second mounting surface is arranged between the two first mounting surfaces, a heat insulation plate is arranged on the first mounting surface, and the heating sheet is arranged on the second mounting surface.

[0016] In some embodiments, the two ends of the first mounting plate are provided with insulating blocks.

[0017] In some embodiments, the pressure bearing assembly comprises a second connecting block, a second mounting plate and a pressing plate, the second connecting block is arranged between the second mounting plate and the transmission seat, the pressing plate is embedded in the second mounting plate and partially protrudes to the outside of the second mounting plate, and the position of the pressing plate corresponds to the position of the heating sheet.

[0018] In some embodiments, the machine body is provided with a lifting platform, the lifting platform comprises a panel and a lifting cylinder arranged below the panel, and the panel is used to place the composite bag.

[0019] The paper-plastic composite bag can be heat sealed in a vertical placement state, and the edge sealing requirement of the paper-plastic composite bag containing articles can be met.

[0020] The paper-plastic composite bag can be heat sealed in a vertical placement state, and the edge sealing requirement of the paper-plastic composite bag containing articles can be met.

[0021] The structure of the two driving units, in cooperation with the synchronous movement of the heat sealing assembly and the pressure bearing assembly, can improve the edge sealing efficiency and effect.

[0022] The structure of the heat sealing assembly and the pressure bearing assembly can meet the heat sealing effect, effectively insulate and electrically insulate, and improve the use safety. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings described herein are only for the purpose of illustrating selected embodiments, and should not be considered as limiting the scope of the utility model.

[0024] Figure 1This is an overall schematic diagram of the sealing device for the paper-plastic composite bag in Example 1;

[0025] Figure 2 yes Figure 1 Enlarged schematic diagram of the heat-sealing component;

[0026] Figure 3 yes Figure 2 A schematic diagram of a heat-sealed component in an exploded state;

[0027] Figure 4 yes Figure 1 Enlarged schematic diagram of the medium-pressure bearing component;

[0028] Figure 5 This is an overall schematic diagram of the sealing device for the paper-plastic composite bag in Example 2. Detailed Implementation

[0029] The embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present utility model, but not all embodiments.

[0030] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0031] Example 1

[0032] like Figures 1-4 As shown, the sealing device for the paper-plastic composite bag in this embodiment mainly consists of a machine body 10, a support frame 20 disposed above the machine body 10, at least two drive units 30 disposed opposite to each other on the support frame 20, a heat sealing assembly 40 connected to one drive unit 30, and a pressure bearing assembly 50 connected to the other drive unit 30. The paper-plastic composite bag 100 is located between the heat sealing assembly 40 and the pressure bearing assembly 50. The heat sealing assembly 40 and the pressure bearing assembly 50 can move synchronously toward the composite bag and squeeze and heat seal the opening of the paper-plastic composite bag 100.

[0033] The upper part of the fuselage 10 has a containing space, and the corresponding support frame 20 has a space for accommodating the composite bag. The support frame 20 includes a main frame 21 and a plurality of support rods 22 arranged below the main frame 21. The support rods 22 are connected to the upper end of the fuselage 10. The main frame 21 can be composed of four rod bodies in a mouth-shaped structure. The four support rods 22 are arranged at the four corners of the main frame 21. Two parallel rod bodies above the main frame 21 are provided with sliding rails 23.

[0034] The two opposite driving units 30 can make synchronous movement close to or away from each other. Four driving units 30 are arranged, two on each side, to ensure sufficient driving force. The driving unit 30 includes a driving cylinder 31, a cylinder support seat 32, and a transmission seat 33. The cylinder support seat 32 is arranged on the main frame 21 and is used to connect the driving cylinder 31. The output end of the driving cylinder 31 is connected to the transmission seat 33. The transmission seat 33 is in sliding fit with the sliding rail 23 and can move along the sliding rail 23. The transmission seat 33 is provided below with a sliding block matched with the sliding rail 23.

[0035] The heat sealing assembly 40 is used to provide heat for sealing the edge of the bag opening of the composite bag. The heat sealing assembly 40 includes a first connecting block 41, a first connecting plate 42, a first mounting plate 43, and a heating sheet 44. The first connecting block 41 is arranged between the transmission seat 33 and the first connecting plate 42. The first mounting plate 43 is connected to the first connecting plate 42. The heating sheet 44 is arranged on the first mounting plate 43 and is connected to an external power source.

[0036] The first mounting plate 43 has two symmetrical and inclined first mounting surfaces 431. A vertical second mounting surface 432 is arranged between the two first mounting surfaces 431. A heat insulation plate 45 is arranged on the first mounting surface 431. The heating sheet 44 is arranged on the second mounting surface 432. Insulating blocks 46 are arranged at both ends of the first mounting plate 43. The heat insulation and insulation effects are provided by the heat insulation plate 45 and the insulating blocks 46.

[0037] The position of the pressure bearing assembly 50 corresponds to the position of the heat sealing assembly 40. The pressure bearing assembly 50 includes a second connecting block 51, a second mounting plate 52, and a pressing plate 53. The second connecting block 51 is arranged between the second mounting plate 52 and the transmission seat 33. The pressing plate 53 is embedded in the second mounting plate 52 and partially protrudes to the outside of the second mounting plate 52. The position of the pressing plate 53 corresponds to the position of the heating sheet 44. The pressing plate 53 is a high-temperature-resistant plate.

[0038] Example 2

[0039] In the embodiment, the difference from the embodiment 1 is that a lifting platform is arranged on the machine body 10, the lifting platform comprises a panel 61 used to place the composite bag and a lifting cylinder 62 arranged below the panel 61, the height of the panel 61 can be controlled through the lifting cylinder 62, and the paper-plastic composite bag 100 of different sizes is adapted.

[0040] All statements herein recited in any suitable order can be performed. Any and all examples, or exemplary languages provided herein (such as "for example") are merely used to better illustrate the present application, and are not intended to limit the scope of the present application unless claims. The language in the detailed description should not be understood as indicating any essential factor for practicing the present application that is not claimed.

[0041] The present application includes all improvements included in the main idea and scope of the present application defined by the claims. Moreover, unless otherwise stated or obviously contradictory in content, the present application includes any of the above factors and all possible variations thereof.

Claims

1. An apparatus for sealing the edges of a paper-plastic composite bag, characterized by The utility model relates to a composite bag heat sealing device, which comprises: a machine body (10) with a containing space above the machine body (10); a support frame (20) arranged above the machine body (10) and having a space for accommodating a composite bag inside the support frame (20); at least two driving units (30) arranged oppositely on the support frame (20), the two opposite driving units (30) being capable of synchronous movement towards each other or away from each other; a heat sealing assembly (40) connected to one driving unit (30) and used to provide heat for sealing the edge of the bag opening of the composite bag; a pressure bearing assembly (50) connected to the other driving unit (30) and corresponding in position to the heat sealing assembly (40); wherein the composite bag is located between the heat sealing assembly (40) and the pressure bearing assembly (50), and the heat sealing assembly (40) and the pressure bearing assembly (50) are capable of synchronous movement towards the composite bag and extruding the bag opening of the composite bag for heat sealing.

2. A device for sealing the edges of a paper-plastic composite bag according to claim 1, characterized in that The support frame (20) comprises a main frame body (21) and a plurality of support rods (22) arranged below the main frame body (21) and connected to the upper end of the machine body (10).

3. A device for sealing the edges of a paper-plastic composite bag according to claim 2, characterized in that A sliding rail (23) is arranged above the main frame body (21).

4. A device for sealing the edges of a paper-plastic composite bag according to claim 3, characterized in that The driving unit (30) comprises a driving cylinder body (31), a cylinder body support seat (32) and a transmission seat (33), the cylinder body support seat (32) is arranged on the main frame body (21) and used to connect the driving cylinder body (31), the output end of the driving cylinder body (31) is connected to the transmission seat (33), the transmission seat (33) is in sliding fit with the sliding rail (23) and is capable of movement along the sliding rail (23).

5. A device for sealing the edges of a paper-plastic composite bag according to claim 4, characterized in that The heat sealing assembly (40) comprises a first connecting block (41), a first connecting plate (42), a first mounting plate (43) and a heating sheet (44), the first connecting block (41) is arranged between the transmission seat (33) and the first connecting plate (42), the first mounting plate (43) is connected to the first connecting plate (42), and the heating sheet (44) is arranged on the first mounting plate (43).

6. A device for sealing the edges of a paper-plastic composite bag according to claim 5, characterized in that The first mounting plate (43) has two symmetrical and inclined first mounting surfaces (431), a vertical second mounting surface (432) is arranged between the two first mounting surfaces (431), a heat insulation plate (45) is arranged on the first mounting surface (431), and the heating sheet (44) is arranged on the second mounting surface (432).

7. A device for sealing the edges of a paper-plastic composite bag according to claim 6, characterized in that Insulating blocks (46) are arranged at the two ends of the first mounting plate (43).

8. A device for sealing the edges of a paper-plastic composite bag according to claim 5, characterized in that, The pressure bearing assembly (50) comprises a second connecting block (51), a second mounting plate (52) and a pressing plate (53), the second connecting block (51) is arranged between the second mounting plate (52) and the transmission seat (33), the pressing plate (53) is embeddedly arranged in the second mounting plate (52) and partially protrudes to the outside of the second mounting plate (52), and the position of the pressing plate (53) corresponds to the position of the heating sheet (44).

9. A device for sealing the edges of a paper-plastic composite bag according to claim 1, characterized in that, The fuselage (10) is provided with a lifting platform, the lifting platform comprises a panel (61) and a lifting cylinder (62) arranged below the panel (61), and the panel (61) is used for placing a composite bag.

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