Hot knife edge sealing mechanism for plastic bag making

Abstract

The utility model relates to the technical field of plastic bag making, in particular to a hot knife edge sealing mechanism for plastic bag making, which comprises a machine table, a bottom plate edge sealing plate is fixedly arranged on the machine table, and a mounting bracket is fixedly arranged on the machine table; a connecting plate is fixedly arranged on the side wall of the moving table, a scraper is fixedly arranged on the connecting plate, the moving table is arranged on the machine table through a connecting assembly, and a material collecting assembly is arranged on the moving table. A motor drives a moving table to move along a T-shaped plate, so that a scraper scrapes off plastic adhered to the bottom end of a top heat-sealing edge plate, meanwhile, the motor drives a cleaning roller to rotate when working, bristles on the cleaning roller sweep off the plastic adhered to the top heat-sealing edge plate and the scraper into a collecting box, and the cleaning effect is further improved; the trapezoid block is separated from the limiting block, so that the collecting box is conveniently taken down and cleaned, plastic scraped by the scraper is prevented from falling on a machine table, and subsequent normal plastic bag edge sealing work of the device is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic bag making, specifically to a plastic bag making hot knife edge sealing mechanism. BACKGROUND

[0002] The existing patent file with the announcement number CN222097162U discloses a medical plastic bag making machine, which comprises a supporting support, a conveying belt one is installed on the inner wall of the supporting support, a bottom plate edge sealing plate is arranged on the right side of the conveying belt one, a conveying belt two is arranged on the right side of the bottom plate edge sealing plate, an installation support is installed on the top of the supporting support, air cylinders are installed on both ends of the top of the installation support, a top heat sealing edge plate is fixedly connected with the power output shaft of the air cylinder, and a blocking mechanism is arranged on the outer wall of the supporting support. The top heat sealing edge plate drives the plastic bag to move upward, the plastic bag contacts the blocking frame and the baffle, the plastic bag is separated from the top heat sealing edge plate, and thus the problem that the existing bag making machine first seals the bottom and then cuts during bag making, the plastic bag is stuck on the edge sealing plate during edge sealing, the edge sealing plate is pulled upward to pull the plastic bag, and the product quality is reduced due to the stretching of the plastic bag is solved.

[0003] However, in the above-mentioned scheme and the prior art, the plastic bag is sealed by the top heat sealing edge plate during the plastic bag making, the top heat sealing edge plate is easy to stick with plastic during use, which affects the sealing effect, the plastic scraped off by the scraper during use falls on the machine table and is not easy to clean, which affects the subsequent plastic bag sealing work of the device, and needs to be improved and optimized.

[0004] Therefore, the utility model provides a plastic bag making hot knife edge sealing mechanism to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a plastic bag making hot knife edge sealing mechanism to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic bag making hot knife edge sealing mechanism comprises:

[0007] A machine table is provided with a bottom plate edge sealing plate, conveying belts are arranged on both sides of the bottom plate edge sealing plate, an installation support is fixedly arranged on the machine table, air cylinders are fixedly arranged on the installation support in a symmetrical manner, and the output end of the air cylinder is fixedly connected with a top heat sealing edge plate through the installation support;

[0008] A moving table is provided with a connecting plate fixedly arranged on the side wall, a scraper is fixedly arranged on the connecting plate, the moving table is arranged on the machine table through a connecting assembly, and a material collecting assembly is arranged on the moving table.

[0009] Preferably, the mounting frames in the connecting assembly are symmetrically fixed on the machine table, the T-shaped plates are fixedly connected with the side walls of the mounting frames at two ends, a T-shaped slot is formed in the side wall of the moving table, the T-shaped slot is movably connected with the T-shaped plate, and a sliding slot is formed in the side wall of the T-shaped slot.

[0010] Preferably, a rack is fixedly arranged at the upper end of the T-shaped plate, limit protrusions are symmetrically fixed at the two ends of the rack, the rack and the limit protrusions are movably arranged in the sliding slot, and a motor is fixedly arranged on the side wall of the moving table.

[0011] Preferably, a gear is fixedly arranged at the output end of the motor, the gear is meshed with the rack, a convex plate is fixedly arranged on the side wall of the moving table, a rotating shaft is rotatably arranged on the convex plate, one end of the rotating shaft is fixedly connected with the center of the side wall of the gear, a cleaning roller is fixedly arranged at the other end of the rotating shaft, brush hairs are equidistantly arranged on the cleaning roller, and the brush hairs are in contact with the scraper.

[0012] Preferably, a trapezoidal slot is formed in the side wall of the moving table in the material collecting assembly, a fixed plate is fixedly arranged on the side wall of the moving table, a connecting column is sleeved on the fixed plate, a pull ring is fixedly arranged at one end of the connecting column, and a limit block is fixedly arranged at the other end of the connecting column.

[0013] Preferably, a spring is sleeved on the connecting column, the spring is clamped at two ends of the fixed plate and the limit block respectively, a trapezoidal block is fixedly arranged on the side wall of the collecting box, the trapezoidal block is inserted into the trapezoidal slot, the trapezoidal block is clamped with the limit block, and the collecting box is located below the scraper and the cleaning roller.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] Through motor transmission, the moving table moves along the T-shaped plate, so that the scraper scrapes off the plastic adhered to the bottom end of the top heat sealing edge plate, meanwhile, the cleaning roller rotates when the motor works, the brush hairs on the cleaning roller sweep the plastic adhered to the top heat sealing edge plate and the scraper into the collecting box, the cleaning effect is further improved, the trapezoidal block is separated from the limit block, the collecting box is convenient to take down and clean, the plastic scraped off by the scraper is prevented from falling on the machine table, and the normal sealing work of the device on the subsequent plastic bag is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the T-shaped plate of the utility model;

[0018] Figure 3 It is a structural schematic view of the moving table of the utility model;

[0019] Figure 4 It is a structural schematic view of the connecting of the collecting box of the utility model;

[0020] Figure 5For the partial enlarged view in the utility model Figure 4

[0021] In the figure: machine table 1, bottom plate edge sealing plate 2, conveying belt 3, mounting bracket 4, air cylinder 5, top heat sealing plate 6, moving table 7, connecting plate 8, scraper 9, mounting frame 10, T-shaped plate 11, T-shaped groove 12, sliding groove 13, rack 14, motor 15, gear 16, convex plate 17, rotating shaft 18, cleaning roller 19, trapezoidal groove 20, fixed plate 21, connecting column 22, pull ring 23, limiting block 24, spring 25, collection box 26, trapezoidal block 27. Specific embodiments

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below. All other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides the following two preferred scheme embodiments:

[0024] Embodiment one: a plastic bag making hot knife edge sealing mechanism, include: machine table 1, the bottom plate edge sealing plate 2 is fixedly arranged on machine table 1, and the bottom plate edge sealing plate 2 both sides are provided with conveying belt 3, and mounting bracket 4 is fixedly arranged on machine table 1, and air cylinder 5 is fixedly arranged on mounting bracket 4, and the output end of air cylinder 5 is fixedly connected with top heat sealing plate 6 through mounting bracket 4;Moving table 7, the side wall of moving table 7 is fixedly provided with connecting plate 8, and scraper 9 is fixedly arranged on connecting plate 8, and moving table 7 is arranged on machine table 1 through connecting assembly, and collecting assembly is arranged on moving table 7;The mounting frame 10 in connecting assembly is fixedly arranged on machine table 1, and the both ends of T-shaped plate 11 are fixedly connected with the side wall of mounting frame 10, and T-shaped groove 12 is formed in the side wall of moving table 7, and T-shaped groove 12 is movably connected with T-shaped plate 11, and sliding groove 13 is formed in the side wall of T-shaped groove 12;The upper end of T-shaped plate 11 is fixedly provided with rack 14, and the both ends of rack 14 are fixedly provided with limiting protrusions, and rack 14 and limiting protrusion are movably arranged in sliding groove 13, and motor 15 is fixedly arranged on the side wall of moving table 7;The output end of motor 15 is fixedly provided with gear 16, and gear 16 is engaged with rack 14, and convex plate 17 is fixedly arranged on the side wall of moving table 7, and rotating shaft 18 is rotatably arranged on convex plate 17, and one end of rotating shaft 18 is fixedly connected with the side wall center of gear 16, and cleaning roller 19 is fixedly arranged on the other end of rotating shaft 18, and bristles are equidistantly arranged on cleaning roller 19, and bristles are in contact with scraper 9.

[0025] ​In use, the cylinder 5 controls the top heat sealing plate 6 to descend to perform the hot knife sealing work on the plastic bag, and after a period of time, the bottom end of the top heat sealing plate 6 will be adhered with part of the plastic, at this time, the top heat sealing plate 6 is moved upward, then the motor 15 is started to drive the gear 16 to rotate, the gear 16 is engaged with the rack 14 to realize the movement of the moving table 7 along the T-shaped plate 11, so that the scraper 9 scrapes off the plastic adhered to the bottom end of the top heat sealing plate 6, and at the same time, the transmission shaft 18 is driven to rotate when the motor 15 works, so that the cleaning roller 19 rotates, the bristles on the cleaning roller 19 clean the top heat sealing plate 6 and the scraper 9, further improving the cleaning effect, avoiding the plastic adhering and accumulating on the top heat sealing plate 6 and the scraper 9, and preventing the subsequent sealing effect of the top heat sealing plate 6 from being affected.

[0026] In the embodiment one, the trapezoidal groove 20 is arranged on the side wall of the moving table 7, the fixed plate 21 is fixedly arranged on the side wall of the moving table 7, the connecting column 22 is sleeved on the fixed plate 21, the connecting column 22 is fixedly arranged with the pull ring 23 at one end, and the connecting column 22 is fixedly arranged with the limiting block 24 at the other end.

[0027] In use, when the cleaning roller 19 rotates to clean the top heat sealing plate 6 and the scraper 9, the bristles on the cleaning roller 19 sweep the plastic adhered on the top heat sealing plate 6 and the scraper 9 into the collecting box 26, the spring 25 ensures that the limiting block 24 limits the trapezoidal block 27, the fixed installation of the collecting box 26 is realized, then the connecting column 22 is moved upward by means of the pull ring 23, the limiting block 24 compresses the spring 25, until the trapezoidal block 27 is separated from the limiting block 24 to expose the trapezoidal groove 20, and the collecting box 26 can be taken down to clean the plastic collected in the collecting box 26.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plastic bag making and sealing apparatus comprising: Include: The machine table (1), the bottom plate edge board (2) is fixedly arranged on the machine table (1), the conveying belt (3) is arranged on both sides of the bottom plate edge board (2), the mounting bracket (4) is fixedly arranged on the machine table (1), the air cylinder (5) is symmetrically fixedly arranged on the mounting bracket (4), and the output end of the air cylinder (5) penetrates the mounting bracket (4) and is fixedly connected with the top heat sealing edge plate (6); The moving table (7) is fixedly arranged with the connecting plate (8) on the side wall, the scraper (9) is fixedly arranged on the connecting plate (8), the moving table (7) is arranged on the machine table (1) through the connecting assembly, and the moving table (7) is provided with a material collecting assembly.

2. A plastic bag making and sealing apparatus according to claim 1, wherein: The mounting bracket (10) in the connecting assembly is symmetrically fixedly arranged on the machine table (1), the T-shaped plate (11) is fixedly connected with the side wall of the mounting bracket (10) at both ends, the T-shaped groove (12) is formed in the side wall of the moving table (7), the T-shaped groove (12) is movably connected with the T-shaped plate (11), and the slide groove (13) is formed in the side wall of the T-shaped groove (12).

3. A plastic bag making and sealing apparatus according to claim 2, wherein: The rack (14) is fixedly arranged on the upper end of the T-shaped plate (11), the limit protrusions are symmetrically fixedly arranged at both ends of the rack (14), the rack (14) and the limit protrusions are movably arranged in the slide groove (13), and the motor (15) is fixedly arranged on the side wall of the moving table (7).

4. A plastic bag making and sealing apparatus according to claim 3, wherein: The gear (16) is fixedly arranged on the output end of the motor (15), the gear (16) is engaged with the rack (14), the protruding plate (17) is fixedly arranged on the side wall of the moving table (7), the rotating shaft (18) is rotatably arranged on the protruding plate (17), one end of the rotating shaft (18) is fixedly connected with the side wall center of the gear (16), the cleaning roller (19) is fixedly arranged on the other end of the rotating shaft (18), brush hairs are equidistantly arranged on the cleaning roller (19), and the brush hairs are in contact with the scraper (9).

5. A plastic bag making and sealing apparatus as defined in claim 1 wherein: The trapezoidal groove (20) in the material collecting assembly is formed in the side wall of the moving table (7), the fixed plate (21) is fixedly arranged on the side wall of the moving table (7), the connecting column (22) is sleevedly arranged on the fixed plate (21), the pull ring (23) is fixedly arranged on one end of the connecting column (22), and the limit block (24) is fixedly arranged on the other end of the connecting column (22).

6. A plastic bag making and sealing apparatus according to claim 5 wherein: The spring (25) is sleevedly arranged on the connecting column (22), the spring (25) is clamped at both ends with the fixed plate (21) and the limit block (24) respectively, the side wall of the collecting box (26) is fixedly provided with a trapezoidal block (27), the trapezoidal block (27) is inserted into the trapezoidal groove (20), the trapezoidal block (27) is clamped with the limit block (24), and the collecting box (26) is located below the scraper (9) and the cleaning roller (19).

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