Solvent-free compound machine for plastic bag production

Abstract

The utility model relates to the technical field of food packaging, in particular to a solvent-free compound machine for plastic bag production, which is provided with an external adjustable dust collection mechanism, is convenient for preparation operation of compound winding, is adjusted to a proper position for dust collection, optimizes the winding effect and improves the reliability. Comprising a compound machine winding structure and a feeding port, the feeding port is formed in the input side of the front upper portion of the compound machine winding structure, and the compound machine winding device further comprises extension plates, a threaded sleeve, a threaded rod, an adjusting twisting disc, a guide frame, a guide sleeve, a dust collection hopper, a branch pipe, a tee joint and a header pipe. The inner walls of the guide sleeves on the same side are in sliding connection with the outer wall of the guide frame, the input ends of the two dust collection hoppers are each communicated with a branch pipe, the two branch pipes are communicated with the two sides of a tee joint, the other side of the tee joint is communicated with one side of a main pipe, and a dust collection mechanism is arranged on the other side of the main pipe.

Description

Technical Field

[0001] This utility model relates to the technical field of food packaging, specifically to a solvent-free laminating machine for producing plastic bags. Background Technology

[0002] Food packaging is an integral part of food products and one of the major engineering processes in the food industry. It protects food from biological, chemical, and physical damage during its journey from the factory to the consumer. It also helps maintain the stable quality of the food itself, facilitates consumption, and serves as the primary visual representation of the food, attracting consumers and possessing value beyond material cost. Therefore, food packaging is an inseparable part of the food manufacturing systems engineering. However, the versatility of food packaging also gives it a relatively independent self-system.

[0003] Solvent-free lamination processes are used for plastic bags in food packaging. For example, a solvent-free laminating machine for plastic bag production, patent publication number CN216579235U, describes a process where, during the installation of the take-up roller, the take-up roller is assembled on a first mounting base, and then the position of the second mounting base is adjusted by operating the power motor to complete the assembly of the take-up roller. This semi-automatic assembly facilitates the assembly and disassembly of the take-up roller in the solvent-free laminating machine. After assembly, the drive motor can be operated to enable the take-up roller to complete the mechanized winding process.

[0004] Although this device can complete the winding and unloading process well, some dust during the winding process affects the actual finished product and has poor reliability. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a solvent-free laminating machine for plastic bag production, which features an external adjustable dust collection mechanism to facilitate preparation for lamination and winding, and allows for adjustment to a suitable position for dust collection, thereby optimizing the winding effect and improving reliability.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a solvent-free laminating machine for plastic bag production, comprising a laminating machine winding structure and a feed inlet. The feed inlet is provided on the upper front input side of the laminating machine winding structure. It also includes an extension plate, a threaded sleeve, a threaded rod, an adjusting disc, a guide frame, a guide sleeve, a dust collection hopper, branch pipes, a tee, and a main pipe. The upper and lower middle sections of the feed inlet at the front end of the laminating machine winding structure are respectively connected to the rear side of a set of extension plates. The inner middle section of each set of extension plates is respectively connected to the outer side of a set of threaded sleeves. The inner wall of the threaded sleeve is screwed to the outer wall of the threaded rod. The top of the threaded rod is connected to the middle of the bottom of the adjusting disc. The bottom of the threaded rod is rotatably connected to the middle of the top of the dust collection hopper. The left and right sides of the top of the dust collection hopper are respectively connected to the bottom of a set of guide frames. The inside of the left and right sides of the extension plate is respectively connected to a set of guide sleeves. The inner wall of the guide sleeve on the same side is slidably connected to the outer wall of the guide frame. The input ends of the two sets of dust collection hoppers are respectively connected to a set of pipes. The two sets of pipes are connected to both sides of the tee. The other side of the tee is connected to one side of the main pipe. The other side of the main pipe is equipped with a dust collection mechanism.

[0009] Preferably, it also includes an oil injection nozzle, wherein the outer front and middle sides of each set of threaded sleeves are respectively connected to the inner side of a set of oil injection nozzles.

[0010] Preferably, it also includes an oil filling cap, wherein the outer side of the oil filling nozzle and the inner side of the oil filling cap are detachably installed.

[0011] Preferably, the dust collection mechanism includes a dust collection bin, a hinge, a top cover, an air pump, an exhaust pipe, and a filter cylinder. The dust collection bin is fixed to the lower rear side of the rewinding structure of the laminating machine. The output end of the rewinding structure of the laminating machine is connected to the inside of the exhaust pipe. An air pump is installed on the exhaust pipe. The filter cylinder is detachably installed inside the dust collection bin. The top right middle side of the dust collection bin is movably connected to the middle of the bottom side of the top cover via a hinge. One side of the inside of the top cover is connected to the other side of the main pipe.

[0012] Preferably, it also includes a locking handle, a moving pin, and a fixed pin bracket. The upper outer side of the top cover is rotatably connected to the inner side of the locking handle. The output end of the locking handle is connected to one side of the inner end of the moving pin. The upper left middle side of the inside of the dust collection bin is connected to the inner side of the fixed pin bracket.

[0013] Preferably, it also includes a sealing ring gasket, wherein the top ring side of the dust collection bin is connected to the bottom end of the sealing ring gasket.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a solvent-free laminating machine for plastic bag production, which has the following beneficial effects:

[0016] During preparation, the two sets of dust collection hoppers are positioned far apart. The composite material is then fed into the laminating machine's winding structure through the inlet. The two adjusting discs are turned to rotate the threaded rod. The threaded rod engages with the threaded sleeve, and through the sliding constraints of the guide frames and sleeves on both sides, the dust collection hopper is vertically inward, close to the outside of the material. Once in position, the threaded rod and threaded sleeve are self-locking. The dust collection mechanism then absorbs dust from the material surface through the dust collection hopper, which is then conducted through branch pipes, converges at the tee, and exits through the main pipe for collection. An external adjustable dust collection mechanism is provided to facilitate preparation for the laminating winding process and to adjust the position for optimal dust collection, thus optimizing the winding effect and improving reliability. Attached Figure Description

[0017] Figure 1 This is an axial view illustrating the structure of this utility model.

[0018] Figure 2 This utility model Figure 1 The left view;

[0019] Figure 3 This utility model Figure 1 Top view;

[0020] Figure 4 This utility model Figure 1 Rear view.

[0021] The following are labels in the attached diagram: 1. Rewinding structure of the laminating machine; 2. Feed inlet; 3. Extension plate; 4. Threaded sleeve; 5. Threaded rod; 6. Adjusting disc; 7. Guide frame; 8. Guide sleeve; 9. Dust collection hopper; 10. Branch pipe; 11. T-joint; 12. Main pipe; 13. Oil nozzle; 14. Oil cap; 15. Dust collection bucket; 16. Hinge; 17. Top cover; 18. Air pump; 19. Exhaust pipe; 20. Filter screen cylinder; 21. Locking handle; 22. Moving pin; 23. Fixed pin bracket; 24. Sealing ring gasket. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example

[0024] Please see Figure 1-4A solvent-free laminating machine for producing plastic bags includes a laminating machine winding structure 1 and a feed inlet 2. The feed inlet 2 is located on the upper front input side of the laminating machine winding structure 1. It also includes an extension plate 3, a threaded sleeve 4, a threaded rod 5, an adjusting disc 6, a guide frame 7, guide sleeves 8, a dust collection hopper 9, branch pipes 10, a tee 11, and a main pipe 12. The upper and lower middle parts of the feed inlet 2 at the front end of the laminating machine winding structure 1 are respectively connected to the rear side of a set of extension plates 3. The inner middle part of each set of extension plates 3 is respectively connected to the outer side of a set of threaded sleeves 4. The inner wall of the threaded sleeve 4 is screwed to the outer wall of the threaded rod 5. The top end of the threaded rod 5 is connected to the middle bottom end of the adjusting disc 6. The bottom end of the threaded rod 5 is rotatably connected to the middle top end of the dust collection hopper 9. The left and right sides of the top end of the dust collection hopper 9 are respectively connected to the bottom end of a set of guide frames 7. A set of guide sleeves 8 are respectively connected to the inside of the left and right sides of the extension plate 3. The inner wall of the guide frame 7 is slidably connected to the outer wall of the guide frame 8. The input ends of the two sets of dust collection buckets 9 are respectively connected to a set of pipes 10. The two sets of pipes 10 are connected to both sides of the tee 11. The other side of the tee 11 is connected to one side of the main pipe 12. The other side of the main pipe 12 is equipped with a dust collection mechanism. During the preparation, the two sets of dust collection buckets 9 are placed in a far apart position. Then, the composite material is wound into the composite machine winding structure 1 through the feed port 2. The two sets of adjusting discs 6 are turned to rotate the threaded rod 5. The threaded rod 5 is screwed into the threaded sleeve 4. Through the sliding constraint of the guide frame 7 and the guide sleeve 8 on both sides, the dust collection bucket 9 is vertically inward and close to the outside of the material. After it is in place, it is fixed by the threaded self-locking of the threaded rod 5 and the threaded sleeve 4. Then, the dust on the surface of the material is absorbed by the dust collection bucket 9 by the dust collection mechanism, conducted through the branch pipes 10, converged by the tee 11, and discharged and collected through the main pipe 12.

[0025] It also includes an oil injection nozzle 13, with the outer front and middle sides of each set of threaded sleeves 4 connected to the inner side of an oil injection nozzle 13; oil can be injected into the inner wall of the threaded sleeve 4 through the oil injection nozzle 13 for convenient lubrication and maintenance.

[0026] It also includes an oil filling cap 14, and the outer side of the oil filling nozzle 13 and the inner side of the oil filling cap 14 can be detachably installed; after the oil filling cap 14 is installed on the outer side of the oil filling nozzle 13, the inside of the oil filling nozzle 13 can be sealed and protected, improving reliability.

[0027] The vacuuming mechanism includes a vacuum bin 15, a hinge 16, a top cover 17, an air pump 18, an exhaust pipe 19, and a filter cylinder 20. The vacuum bin 15 is fixed to the lower rear side of the laminating machine winding structure 1. The output end of the laminating machine winding structure 1 is connected to the inside of the exhaust pipe 19. The exhaust pipe 19 is equipped with an air pump 18. The filter cylinder 20 is detachably installed inside the vacuum bin 15. The top right middle side of the vacuum bin 15 is connected to the bottom middle of the top cover 17 via the hinge 16. The top cover 17 is connected to the other side of the main pipe 12. When the filter cylinder 20 is installed in the dust collection bin 15, the top cover 17 is in the closed state at the top of the dust collection bin 15. The air pump 18 can be run to exhaust air through the exhaust pipe 19, creating negative pressure inside the dust collection bin 15. Air is then introduced through the main pipe 12, carrying dust and impurities, which are filtered by the filter cylinder 20. When the top cover 17 is opened under the constraint of the hinge 16, the filter cylinder 20 can be removed for cleaning.

[0028] It also includes a locking handle 21, a moving pin 22, and a fixed pin bracket 23. The upper outer side of the top cover 17 is rotatably connected to the inner side of the locking handle 21. The output end of the locking handle 21 is connected to one side of the inner end of the moving pin 22. The upper left side of the top of the dust collection bucket 15 is connected to the inner side of the fixed pin bracket 23. When the top cover 17 is closed, the locking handle 21 can be turned to rotate the moving pin 22 and insert it into the fixed pin bracket 23, so that the top cover 17 is closed and fixed, improving reliability.

[0029] It also includes a sealing ring gasket 24, with the top ring side of the dust collection bin 15 connected to the bottom end of the sealing ring gasket 24; the sealing ring gasket 24 can make a sealing contact after the top cover 17 is closed, to avoid air leakage and improve reliability.

[0030] In summary, when using a solvent-free laminating machine for plastic bag production, during preparation, the two sets of dust collection hoppers 9 are positioned far apart. Then, the composite material is wound into the laminating machine's winding structure 1 through the feed inlet 2. The two sets of adjusting discs 6 are turned to rotate the threaded rod 5. The threaded rod 5, through its screw engagement with the threaded sleeve 4, and the sliding constraint of the guide frames 7 and guide sleeves 8 on both sides, causes the dust collection hopper 9 to vertically inward, close to the outside of the material. After reaching its position, the threaded rod 5 and threaded sleeve 4 are self-lockingly fixed. When the filter cylinder 20 is installed inside the dust collection bucket 15, and the top cover 17 is in the closed state at the top of the dust collection bucket 15, the locking handle 21 is turned to rotate the moving pin 22, which then engages with the fixed pin bracket 23. The top cover 17 is closed and fixed. The sealing ring gasket 24 ensures a sealed contact after the top cover 17 is closed to prevent air leakage. The air pump 18 can be run to exhaust the air through the exhaust pipe 19. The dust on the material surface is absorbed by the dust collection bucket 9, conducted through the branch pipe 10, and converged by the tee 11. The air is then discharged and collected through the main pipe 12, creating negative pressure inside the dust collection bucket 15. Air carrying dust and impurities is then introduced through the main pipe 12 and filtered through the filter screen 20. When the top cover 17 is opened under the constraint of the hinge 16, the filter screen 20 can be removed for cleaning. In addition, oil can be injected into the inner wall of the threaded sleeve 4 through the oiling nozzle 13 for convenient lubrication and maintenance. After installing the oiling cap 14 on the outside of the oiling nozzle 13, the inside of the oiling nozzle 13 can be sealed and protected.

[0031] The winding structure 1 and the vacuum pump 18 of this composite machine are commercially available devices known to those skilled in the art. We are simply using them here without making any structural or functional improvements, and we will not elaborate further on them here.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A solventless laminating machine for plastic bag production, comprising a laminating machine winding structure (1) and a feed inlet (2), the laminating machine winding structure (1) is provided with a feed inlet (2) at the front upper input side, characterized in that, The composite machine winding structure (1) further comprises extension plates (3), threaded sleeves (4), threaded rods (5), adjusting knobs (6), guide frames (7), guide sleeves (8), dust suction hoppers (9), branch pipes (10), three-way pipes (11) and main pipes (12). A group of extension plates (3) are connected to the rear side of the middle part of the upper and lower sides of the feeding port (2) at the front end of the composite machine winding structure (1), respectively. The middle inner side of each group of extension plates (3) is connected to the outer side of a group of threaded sleeves (4), respectively. The inner wall of the threaded sleeve (4) is screw-connected to the outer wall of the threaded rod (5). The top end of the threaded rod (5) is connected to the middle part of the bottom end of the adjusting knob (6). The bottom end of the threaded rod (5) is rotatably connected to the middle part of the top end of the dust suction hopper (9). The top end of the dust suction hopper (9) is connected to the bottom end of a group of guide frames (7) on the left and right sides, respectively. The inner side of each group of extension plates (3) is connected to a group of guide sleeves (8) on the left and right sides, respectively. The inner wall of the guide sleeve (8) on the same side is slidably connected to the outer wall of the guide frame (7). The input ends of the two groups of dust suction hoppers (9) are respectively connected to a group of branch pipes (10). The two groups of branch pipes (10) are connected to the two sides of the three-way pipe (11). The other side of the three-way pipe (11) is connected to one side of the main pipe (12). The other side of the main pipe (12) is provided with a dust suction mechanism.

2. A solventless laminating machine for plastic bag production according to claim 1, characterized in that: The threaded sleeve (4) further comprises an oil injection nozzle (13). The outer front middle side of each group of threaded sleeves (4) is connected to the inner side of a group of oil injection nozzles (13).

3. A solventless laminating machine for plastic bag production according to claim 2, characterized in that: The oil injection nozzle (13) further comprises an oil injection cap (14). The outer side of the oil injection nozzle (13) is detachably installed with the inner side of the oil injection cap (14).

4. A solventless laminating machine for plastic bag production as claimed in claim 1, wherein: The dust suction mechanism comprises a dust suction barrel (15), a hinge (16), a top cover (17), an air suction pump (18), an exhaust pipe (19) and a filter screen cylinder (20). The dust suction barrel (15) is fixed to the lower side of the rear part of the composite machine winding structure (1). The output end of the composite machine winding structure (1) is connected to the inner side of the exhaust pipe (19). The air suction pump (18) is arranged on the exhaust pipe (19). The filter screen cylinder (20) is detachably installed in the inner part of the dust suction barrel (15). The top end of the dust suction barrel (15) is movably connected to the middle part of the bottom end of the top cover (17) through the hinge (16). One side of the inner part of the top cover (17) is connected to the other side of the main pipe (12).

5. A solventless laminator for plastic bag production as claimed in claim 4, characterized in that: The dust suction mechanism further comprises a locking knob (21), a movable pin plate (22) and a fixed pin frame (23). The outer middle upper side of the top cover (17) is rotatably connected to the inner side of the locking knob (21). The output end of the locking knob (21) is connected to one side of the inner end of the movable pin plate (22). The inner top left middle side of the dust suction barrel (15) is connected to the inner side of the fixed pin frame (23).

6. A solventless laminating machine for plastic bag production as claimed in claim 4, wherein: The dust suction mechanism further comprises a sealing ring pad (24). The top end ring side of the dust suction barrel (15) is connected to the bottom end of the sealing ring pad (24).

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