Bottom sealing device for inner film of composite bag

Abstract

The utility model discloses a bottom sealing device for a composite bag inner film, and relates to the technical field of composite bag production, the bottom sealing device comprises a placing plate, a box body is arranged on the placing plate, an electric air cylinder is installed on the outer wall of the top of the box body, and the extending end of the electric air cylinder penetrates into the box body and is fixedly connected with a mounting plate; and a heating plate and a breakpoint opening plate are mounted on the outer wall of the bottom of the mounting plate. When the breakpoint forming plate breaks the inner film of the composite bag, a certain buffering effect can be provided for the inner film of the composite bag, and the breakpoint forming plate can be prevented from being in direct rigid contact with a flat plate, so that the breakpoint forming plate can be protected, the service life of the breakpoint forming plate is prolonged, the breakpoint effect of the breakpoint forming plate on the inner film of the composite bag in the follow-up process is guaranteed, and the service life of the breakpoint forming plate is prolonged. And the device can purify harmful gas generated in the hot pressing process, so that the harmful gas is prevented from being directly discharged to cause harm to workers and pollution to the environment.

Description

Technical Field

[0001] The utility model relates to the technical field of composite bag production, in particular to a bottom sealing device for the inner film of a composite bag. Background Art

[0002] Composite bags are made of plastic and kraft paper. The inner layer can also be covered with an inner film bag. It is one of the most popular packaging materials and is widely used in packaging engineering plastics, rubber raw materials, building materials, food, fertilizers, cement and other powdered or granular solid materials and flexible items. During the production process, the inner film bag needs to be sealed with a bottom sealing device.

[0003] A bottom sealing device for composite inner film bag production with a search announcement number of CN217671437U relates to the technical field of composite bag production devices, including a bottom sealing processing frame, a receiving roller bracket and a raw material roller bracket, wherein the receiving roller bracket includes a winding motor, and the receiving roller bracket is fixedly mounted on the left side of the bottom sealing processing frame. The utility model installs the inner film bag to be processed on the inner side of the raw material roller bracket, and then connects the end of the inner film bag to the inner side of the receiving roller bracket, controls the winding motor on the front side of the receiving roller bracket to work, and can drive the inner film bag to move through the top of the flat support frame, and at the same time controls the stepping motor to drive the cam to rotate, and during the rotation of the cam, the lower pressure plate will be pushed downward by the transmission push rod, and the inner film bag is hot-pressed and bottom sealed by heating the pressure plate body, and the inner film bag is opened and powered off by the breakpoint opening plate, that is, the function of automatic continuous bottom sealing is realized, reducing the workload of the operator.

[0004] In view of the above-mentioned related technologies, the inventor believes that when the above-mentioned device uses the breakpoint opening plate to cut the inner film bag, no corresponding buffer mechanism is set. Due to the repeated cutting of the power-off opening plate, the breakpoint opening plate is easily damaged over time, which in turn affects the effect of breaking the inner film bag. To this end, we propose a bottom sealing device for the inner film of a composite bag. Utility Model Content

[0005] In view of the above problems existing in the existing bottom sealing device for the inner film of a composite bag, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a bottom sealing device for the inner film of a composite bag, which solves the problem that when the above-mentioned device uses a breakpoint opening plate to cut the inner film bag, a corresponding buffer mechanism is not set. Due to the repeated cutting of the breakpoint opening plate due to power failure, the breakpoint opening plate is easily damaged over time, which in turn affects the effect of breaking the inner film bag.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A bottom sealing device for the inner film of a composite bag comprises a placement plate, a box body is provided on the placement plate, an electric cylinder is installed on the top outer wall of the box body, an extended end of the electric cylinder penetrates into the interior of the box body and is fixedly connected to a mounting plate, a heating plate and a breakpoint opening plate are respectively installed on the bottom outer wall of the mounting plate, a support rod is provided on the bottom inner wall of the box body, a flat plate is provided on the support rod, a guide groove is opened on the flat plate, a damping rod is installed on the bottom inner wall of the guide groove, a fixing plate is provided at the other end of the damping rod, a sponge plate is provided on the fixing plate, a spring is nested on the damping rod, and the spring is press-fitted between the bottom outer wall of the fixing plate and the bottom inner wall of the guide groove.

[0009] Preferably, a fixing frame and a mounting frame are respectively provided on both sides of the box body, and a material discharge roller and a material receiving roller are respectively provided on the fixing frame and the mounting frame. A motor is installed on the mounting frame, and the output end of the motor is fixedly connected to one end of the material receiving roller.

[0010] Preferably, a door is hingedly connected to the box body.

[0011] Preferably, supporting legs are installed on the outer wall of the bottom of the placement plate, and the number of the supporting legs is four, and the four supporting legs are evenly distributed at the four corners of the bottom of the placement plate.

[0012] Furthermore, two guide rollers are installed on the inner wall of the box body, and the two guide rollers are symmetrically distributed on both sides of the flat plate.

[0013] Preferably, a fan and a filter box are respectively installed on the top inner wall and outer wall of the box body, the fan is connected to the filter box, a guide cover is installed on the fan, and the interior of the filter box is filled with activated carbon raw materials.

[0014] Preferably, a limiting block is provided on the outer wall of the fixing plate, a limiting groove is provided on the inner wall of the guide groove, and the fixing plate is engaged and connected with the limiting groove via the limiting block.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] 1. The utility model can provide a certain buffering effect when the breakpoint opening plate breaks the inner film of the composite bag, which can avoid the breakpoint opening plate from directly making hard contact with the flat plate, thereby protecting the breakpoint opening plate, increasing the service life of the breakpoint opening plate, and ensuring the subsequent breakpoint effect of the breakpoint opening plate on the inner film of the composite bag.

[0017] 2. The utility model, by arranging a fan and a filter box, can purify harmful gases generated during the hot pressing process through their coordinated use, thereby preventing them from being directly discharged, causing harm to workers, and polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the box body of the utility model;

[0021] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0022] Description of reference numerals:

[0023] 1. Placement plate; 2. Box body; 3. Fixed frame; 4. Unloading roller; 5. Mounting frame; 6. Receiving roller; 7. Motor; 8. Electric cylinder; 9. Box door; 10. Support leg; 11. Filter box; 12. Mounting plate; 13. Heating plate; 14. Breakpoint opening plate; 15. Support rod; 16. Flat plate; 17. Guide roller; 18. Fan; 19. Air deflector; 20. Guide groove; 21. Fixed plate; 22. Spring; 23. Damping rod; 24. Sponge plate; 25. Limit block; 26. Limit groove. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model embodiment discloses a bottom sealing device for the inner film of a composite bag.

[0026] The utility model provides Figure 1-3 A bottom sealing device for the inner film of a composite bag is shown, comprising a placement plate 1, a box body 2 is provided on the placement plate 1, an electric cylinder 8 is installed on the top outer wall of the box body 2, the extension end of the electric cylinder 8 penetrates into the interior of the box body 2 and is fixedly connected to a mounting plate 12, a heating plate 13 and a breakpoint opening plate 14 are respectively installed on the bottom outer wall of the mounting plate 12, a support rod 15 is provided on the bottom inner wall of the box body 2, a flat plate 16 is provided on the support rod 15, a guide groove 20 is opened on the flat plate 16, a damping rod 23 is installed on the bottom inner wall of the guide groove 20, a fixing plate 21 is provided at the other end of the damping rod 23, a sponge plate 24 is provided on the fixing plate 21, a spring 22 is nested on the damping rod 23, and the spring 22 is press-fitted between the bottom outer wall of the fixing plate 21 and the bottom inner wall of the guide groove 20.

[0027] The utility model discloses a bottom sealing device for the inner film of a composite bag. A fixing frame 3 and a mounting frame 5 are respectively provided on both sides of a box body 2. A feeding roller 4 and a receiving roller 6 are respectively provided on the fixing frame 3 and the mounting frame 5. A motor 7 is installed on the mounting frame 5. The output end of the motor 7 is fixedly connected to one end of the receiving roller 6, which can drive the inner film of the composite bag to be transported and also facilitate the collection of the inner film of the composite bag after the bottom is sealed.

[0028] The utility model provides a bottom sealing device for the inner film of a composite bag. A box door 9 is hingedly connected to a box body 2 through a hinge, so that the relevant equipment inside the box body 2 can be easily inspected and repaired.

[0029] The utility model discloses a bottom sealing device for the inner film of a composite bag. A support leg 10 is installed on the bottom outer wall of a placement plate 1. There are four support legs 10, which are evenly distributed at the four corners of the bottom of the placement plate 1, and can provide stable support to improve the stability of the device during use.

[0030] The utility model is a bottom sealing device for the inner film of a composite bag. Two guide rollers 17 are installed on the inner wall of a box body 2. The two guide rollers 17 are symmetrically distributed on both sides of a flat plate 16, which can provide guidance for the inner film of the composite bag so that it can pass smoothly on the flat plate 16, thereby facilitating its processing.

[0031] The utility model discloses a bottom sealing device for the inner film of a composite bag, wherein a fan 18 and a filter box 11 are respectively installed on the top inner wall and the outer wall of a box body 2, the fan 18 is connected to the filter box 11, a guide cover 19 is installed on the fan 18, and the interior of the filter box 11 is filled with activated carbon raw materials, which can adsorb harmful gases generated during the hot pressing process, purify them and then discharge them into the air, which is beneficial to protecting the health of the workers.

[0032] The utility model discloses a bottom sealing device for the inner film of a composite bag, wherein a limiting block 25 is provided on the outer wall of a fixed plate 21, and a limiting groove 26 is provided on the inner wall of a guide groove 20. The fixed plate 21 is engaged and connected with the limiting groove 26 through the limiting block 25, which can provide a limiting and guiding function for the fixed plate 21 and improve the stability of the fixed plate 21 during the lifting process.

[0033] When in use, the unloading roller 4 wrapped with the inner film of the composite bag is placed on the fixing frame 3, and then the other end of the inner film of the composite bag is wrapped around the receiving roller 6. The inner film of the composite bag can be driven to be transported by the operation of the motor 7. Under the action of the guide roller 17, the inner film of the composite bag will pass smoothly on the flat plate 16. At this time, the motor 7 can be controlled to stop running, and the electric cylinder 8 can be controlled to drive the mounting plate 12 to descend. The inner film of the composite bag is sealed by the heating plate 13 arranged under the mounting plate 12. The inner film of the composite bag can be broken by the breakpoint opening plate 14, and the breakpoint opening plate 14 will squeeze the sea when performing the lower cutting point. The sponge plate 24 and the fixed plate 21 will move downward under the influence of external pressure. The spring 22 and the damping rod 23 are used in conjunction to provide a buffering effect on the force received, so as to protect the breakpoint opening plate 14, increase the service life of the breakpoint opening plate 14, and ensure the subsequent breakpoint effect of the breakpoint opening plate 14 on the inner film of the composite bag. In addition, through the action of the fan 18, the harmful gas generated during the hot pressing process can be transported to the filter box 11, purified by the filter box 11, and the purified gas is discharged into the air, which is beneficial to protecting the health of the staff.

[0034] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A bottom sealing device for the inner film of a composite bag, comprising a placement plate (1), characterized in that: The placing plate (1) is provided with a box body (2), an electric cylinder (8) is installed on the top outer wall of the box body (2), an extension end of the electric cylinder (8) penetrates into the interior of the box body (2) and is fixedly connected to a mounting plate (12), a heating plate (13) and a breakpoint opening plate (14) are respectively installed on the bottom outer wall of the mounting plate (12), a support rod (15) is provided on the bottom inner wall of the box body (2), and a flat A plate (16) is provided with a guide groove (20) on the plate (16), a damping rod (23) is installed on the bottom inner wall of the guide groove (20), a fixing plate (21) is provided at the other end of the damping rod (23), a sponge plate (24) is provided on the fixing plate (21), a spring (22) is nested on the damping rod (23), and the spring (22) is pressed between the bottom outer wall of the fixing plate (21) and the bottom inner wall of the guide groove (20).

2. The bottom sealing device for the inner film of a composite bag according to claim 1, characterized in that: A fixing frame (3) and a mounting frame (5) are respectively provided on both sides of the box body (2); a material discharge roller (4) and a material receiving roller (6) are respectively provided on the fixing frame (3) and the mounting frame (5); a motor (7) is installed on the mounting frame (5); an output end of the motor (7) is fixedly connected to one end of the material receiving roller (6).

3. The bottom sealing device for the inner film of a composite bag according to claim 1, characterized in that: A box door (9) is hingedly connected to the box body (2).

4. The bottom sealing device for the inner film of a composite bag according to claim 1, characterized in that: Support legs (10) are installed on the outer wall of the bottom of the placement plate (1), and there are four support legs (10). The four support legs (10) are evenly distributed at the four corners of the bottom of the placement plate (1).

5. The bottom sealing device for the inner film of a composite bag according to claim 1, characterized in that: Two guide rollers (17) are installed on the inner wall of the box body (2), and the two guide rollers (17) are symmetrically distributed on both sides of the flat plate (16).

6. The bottom sealing device for the inner film of a composite bag according to claim 1, characterized in that: A fan (18) and a filter box (11) are respectively mounted on the top inner wall and the outer wall of the box body (2); the fan (18) and the filter box (11) are connected to each other; a flow guide cover (19) is mounted on the fan (18); and the interior of the filter box (11) is filled with activated carbon raw materials.

7. The bottom sealing device for the inner film of a composite bag according to claim 1, characterized in that: A limiting block (25) is provided on the outer wall of the fixing plate (21), a limiting groove (26) is provided on the inner wall of the guide groove (20), and the fixing plate (21) is connected to the limiting groove (26) by means of the limiting block (25).

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