Food packaging bag raw material conveying structure

Abstract

The application discloses a food packaging bag raw material conveying structure and relates to the field of food packaging bags, which comprises a conveying cavity, one end of the conveying cavity is provided with an inspection plate, one end of the inspection plate is provided with an output device, the output end of the output device is in transmission connection with one end of an auger, the auger is rotationally connected to one end of the inspection plate, the top end of the conveying cavity is provided with an inlet, and a screening structure is arranged in the inlet. In the application, the plastic particles required to be transmitted to the food packaging bag production equipment can be screened according to requirements, and the plastic particles that do not meet the standards can be treated until the size meets the standards. In this way, the utilization rate of raw materials is improved, the cost increase caused by material waste is reduced, and the uniform particles are easier to control parameters in processing, so that the production process is more stable.

Description

Technical Field

[0001] This application relates to the field of food packaging bags, and in particular to a raw material conveying structure for food packaging bags. Background Technology

[0002] Food packaging bags are an indispensable form of packaging in the food industry. They not only protect food quality and extend shelf life, but also convey product information and facilitate storage and transportation. Their design must take into account safety, functionality, and environmental friendliness.

[0003] In the existing technology, during the conveying process of plastic granule raw materials used to manufacture suitable packaging bags, it is impossible to process plastic granules that do not meet the size requirements, resulting in poor performance during the melting process and causing defects in the generated food packaging bags.

[0004] A search revealed a Chinese patent document disclosing a raw material conveying device for the production of biodegradable plastic bags (Publication No.: CN220998459U), but it still has the following drawbacks:

[0005] Although the aforementioned raw material conveying device for food plastic bag production enables insufficiently crushed raw materials to be further crushed by the crushing mechanism after passing through the conveying cylinder, thereby ensuring that the raw materials are fully crushed and avoiding unqualified raw materials, thus improving product quality, it still has limitations in the conveying process despite the crushing. Utility Model Content

[0006] In order to improve the problem that the plastic granules used to manufacture suitable packaging bags cannot be processed during the conveying process, resulting in poor performance during the melting process and defective food packaging bags, this application provides a food packaging bag raw material conveying structure.

[0007] The technical solution for a raw material conveying structure for a food packaging bag provided in this application is as follows:

[0008] A raw material conveying structure for food packaging bags includes a conveying chamber, a maintenance plate installed at one end of the conveying chamber, an output device installed at one end of the maintenance plate, and the output end of the output device being drivenly connected to one end of an auger. The auger is rotatably connected to one end of the maintenance plate. A feed inlet is installed at the top of the conveying chamber, and a screening structure is provided inside the feed inlet. One side of the conveying chamber is connected to one end of a transmission pipe, and the other end of the transmission pipe is connected to a crushing component. One side of the bottom of the conveying chamber is hinged to the inside of the top of the conveying chamber via a rotating shaft.

[0009] By adopting the above technical solution, the material is moved by the auger rotating at a uniform speed, thereby completing the conveying operation. During the feeding process at the inlet, non-standard plastic particles are processed by the screening structure and crushing components.

[0010] Preferably, the screening structure includes a guide cavity, a movable block, a return spring, and a screening plate. Guide cavities are installed on both inner walls of the conveying cavity. Movable blocks are movably connected to the top of each guide cavity. The bottom of each movable block is connected to the top of the return spring, and the return spring is installed at the bottom of the guide cavity. The top of each movable block is connected to the bottom of the screening plate, and the screening plate is arranged with an inclined structure.

[0011] By adopting the above technical solution, the screening structure can screen plastic particles during use and effectively avoid clogging.

[0012] Preferably, the crushing assembly includes a grinding chamber and a crushing roller, the other end of the transmission pipe is connected to the top of the grinding chamber, and two crushing rollers are symmetrically rotatably connected inside the grinding chamber.

[0013] By adopting the above technical solution, the two crushing rollers rotate at different speeds, thereby enabling the two crushing rollers to better crush and grind the plastic particles.

[0014] Preferably, one end of each of the two grinding rollers is drivenly connected to one end of a gear, the two gears mesh and are rotatably disposed outside the grinding chamber, and one end of one of the gears is drivenly connected to the output end of the output device.

[0015] By adopting the above technical solution, the gear drives the corresponding rotation of the grinding roller to complete the grinding operation.

[0016] Preferably, the bottom end of the grinding chamber is connected to one end of the conveying pipe, and the other end of the conveying pipe is connected to the input end of the transfer pump. The output end of the transfer pump is connected to one end of the discharge head, and the other end of the discharge head is located above the feed inlet.

[0017] By adopting the above technical solution, the transfer pump, together with the conveying pipe and the discharge head, transports the crushed plastic particles to the inside of the feed inlet.

[0018] Preferably, the first mounting bracket is installed at the top of the base, and a sliding cavity is installed inside the top of the base. A sliding block is movably connected inside the sliding cavity. A transmission screw sleeve is installed through the sliding block, and a connecting screw is engaged with the inner side wall of the transmission screw sleeve. The connecting screw is rotatably connected inside the sliding cavity, and one end of the connecting screw is connected to the output end of the output device.

[0019] By adopting the above technical solution, a screw drive structure is formed by connecting the screw and the transmission screw sleeve, which drives the sliding block to move and change the angle of the support arm.

[0020] Preferably, each of the sliding blocks is equipped with a second mounting bracket at its top end, and the interior of the second mounting bracket is hinged to one end of the support arm. The other end of the support arm is hinged to the interior of the bottom end of a third mounting bracket, and the third mounting bracket is installed at the bottom end of the conveying cavity.

[0021] By adopting the above technical solution, the angle of the conveying cavity can be changed by altering the angle of the support arm.

[0022] Preferably, a feeding pipe is installed at the bottom end of the conveying cavity, and a connecting cover is installed at the bottom end of the feeding pipe, with an elastic band installed at the other end of the connecting cover.

[0023] By adopting the above technical solution, and by combining the connecting cover and the elastic band, the phenomenon of plastic particles splashing can be avoided.

[0024] In summary, this application includes at least one of the following beneficial technical effects:

[0025] 1. In the process of using this utility model, the plastic particles to be transported to the food packaging bag production equipment can be screened according to the needs, and the non-standard plastic particles can be processed until they meet the standard size. This method can improve the utilization rate of raw materials, reduce the cost increase caused by material waste, and make it easier to control parameters during processing of uniform particles, making the production process more stable.

[0026] 2. During use, this utility model can change the tilt angle of the support arm, so that one end of the conveying cavity moves in an arc at the hinge point between the first mounting bracket and the bottom side of the conveying cavity. This makes the height of the discharge pipe correspond to the feed end of the processing equipment for conveying the required raw materials. Furthermore, during the discharge process through the discharge pipe, an elastic band can be placed on the outer wall of the feed end of the processing equipment for conveying the required raw materials, so that the connecting cover seals between the discharge pipe and the feed end, reducing the splashing of plastic particles during discharge due to external factors. This method reduces resource waste and improves practicality. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0028] Figure 2 This is a schematic diagram of the disassembled parts structure of the conveying cavity, inspection plate, and auger in this utility model;

[0029] Figure 3 This is a cross-sectional structural diagram of the feed inlet in this utility model;

[0030] Figure 4 This is a schematic diagram of the disassembled parts structure of the guide cavity, movable block, reset spring and screening plate in this utility model;

[0031] Figure 5 This is a cross-sectional structural diagram of the grinding chamber in this utility model;

[0032] Figure 6 This is a cross-sectional structural diagram of the sliding cavity component in this utility model;

[0033] Figure 7 This is a schematic diagram of the combined component structure of the feed tube, connecting cover, and elastic band in this utility model.

[0034] Reference numerals: 1. Conveying chamber; 2. Inspection plate; 3. Screwdriver; 4. Feed inlet; 5. Guide chamber; 6. Movable block; 7. Return spring; 8. Screening plate; 9. Transmission pipe; 10. Grinding chamber;

[0035] 11. Compactor roller; 12. Gear; 13. Conveying pipe; 14. Transfer pump; 15. Discharge head; 16. First mounting frame; 17. Base; 18. Sliding cavity; 19. Sliding block; 20. Transmission screw sleeve;

[0036] 21. Connecting screw; 22. Second mounting bracket; 23. Support arm; 24. Third mounting bracket; 25. Feed tube; 26. Connecting cover; 27. Elastic band. Detailed Implementation

[0037] The following is in conjunction with the appendix Figures 1-7 This application will be described in further detail.

[0038] This application discloses a raw material conveying structure for food packaging bags.

[0039] Reference Figures 1-4 A raw material conveying structure for food packaging bags includes a conveying chamber 1. Inside the conveying chamber 1, an auger 3 for conveying plastic particles rotates. One end of the auger 3 is rotatably connected to a maintenance plate 2 and is drivenly connected to the output end of an output device installed at the other end of the maintenance plate 2. The maintenance plate 2 is fixedly connected to one end of the conveying chamber 1. The top end of the conveying chamber 1 is connected to the bottom end of the feed inlet 4. A screening structure is installed inside the feed inlet 4. The screening structure includes a guide cavity 5, a movable block 6, a return spring 7, and a screening plate 8. The feed inlet 4 is provided with a screening plate 8 with an inclined structure. The bottom end of each screening plate 8 is fixedly connected to a movable block 6. The bottom end of each movable block 6 is fixedly connected to the top end of a return spring 7. The return spring 7 is fixedly connected inside the top end of the guide cavity 5. The guide cavity 5 is fixedly connected to the inner wall of the feed inlet 4. The movable block 6 is vertically movably connected inside the top end of the guide cavity 5.

[0040] During operation, the output device drives the auger 3 to rotate at a constant speed, thereby pushing the plastic granules inside the conveying chamber 1 to be transported to the food packaging bag production equipment, thus completing the conveying operation. When the plastic granules are put into the feed inlet 4, they are screened by the screening plate 8. Plastic granules that meet the standard will enter the screening plate 8 for conveying, while plastic granules that do not meet the standard will be stored on the screening plate 8 for the next step. At the same time, due to the inertia of the falling plastic granules, the screening plate 8 drives the movable block 6 to move downward and squeeze the return spring 7. When the weight of the screening plate 8 decreases, the potential energy released by the return spring 7 drives the movable block 6 to move vertically inside the top of the guide cavity 5, causing the screening plate 8 to return to its original position. During this movement, the screening plate 8 vibrates to avoid blockage and can also better transport plastic granules that are too large to the conveying pipe 9.

[0041] Reference Figure 5 A crushing assembly is fixedly connected to one side of the conveying chamber 1. The crushing assembly includes a grinding chamber 10, a grinding roller 11, and a gear 12. The grinding chamber 10 is fixedly connected to one side of the conveying chamber 1, and the top of the grinding chamber 10 is connected to the feed inlet 4 through an "L"-shaped structure. The connected area corresponds to the lower inclined position of the screening plate 8. Two grinding rollers 11 are symmetrically rotatably connected inside the grinding chamber 10. One end of each grinding roller 11 is connected to one end of a gear 12 rotatably set outside the grinding chamber 10. The two gears 12 are set with one large and one small structure, and the two gears 12 mesh with each other. One end of the larger gear 12 is connected to the output end of the output device. The bottom end of the grinding chamber 10 is connected to one end of the conveying pipe 13. The other end of the conveying pipe 13 is fixedly connected to the input end of the transfer pump 14. The output end of the transfer pump 14 is fixedly connected to a discharge head 15, and the discharge head 15 is fixedly connected to the top of the feed inlet 4.

[0042] During use, non-compliant plastic particles after screening are conveyed through the transmission pipe 9 to the grinding chamber 10, where they are further crushed by the crushing rollers 11. The crushing rollers 11 are driven by gears 12 with a large and a small structure, resulting in different rotational speeds for better crushing. The crushed plastic particles fall into the bottom of the grinding chamber 10 and are then pumped out by the transmission pump 14, sucked into the conveying pipe 13, and conveyed to the discharge head 15 and discharged into the feed inlet 4 for further conveying. This method effectively ensures that all conveyed plastic particles are qualified and eliminates the need for further processing of non-compliant particles. The circulating screening, crushing, and refeeding method greatly optimizes the workflow.

[0043] Reference Figure 1 , Figure 2 and Figure 6 The bottom end of the conveying cavity 1 is hinged to the top end of the first mounting bracket 16 via a rotating shaft. The first mounting bracket 16 is fixedly connected to the top end of the base 17. The bottom end of the conveying cavity 1 is fixedly connected to the other side of the third mounting bracket 24. The interior of the third mounting bracket 24 is hinged to one end of the support arm 23. The other end of the support arm 23 is hinged to the top end of the second mounting bracket 22. The second mounting bracket 22 is fixedly connected to the top end of the sliding block 19. The sliding block 19 is movably connected to the interior of the sliding cavity 18. The sliding cavity 18 is fixedly connected to the top end of the base 17. The interior of the sliding block 19 is fixedly connected to a transmission screw sleeve 20. The inner side wall of the transmission screw sleeve 20 is meshed with a connecting screw 21 that is rotatably connected to both sides of the sliding cavity 18. One end of the connecting screw 21 is connected to the output end of the output device that is fixedly connected to the outer wall of one side of the sliding cavity 18.

[0044] During use, based on the height of the feed end of the processing equipment for conveying the required raw materials, the output device can drive the connecting screw 21 to rotate. The screw drive structure, consisting of the connecting screw 21 and the transmission screw sleeve 20, drives the sliding block 19 to move inside the sliding cavity 18. During the movement of the sliding block 19, the second mounting frame 22 is moved. This movement of the second mounting frame 22 changes the tilt angle of the support arm 23, causing one end of the conveying cavity 1 to move in an arc around the hinge point between the first mounting frame 16 and the bottom side of the conveying cavity 1. This makes the discharge pipe 25 correspond to the height of the feed end of the processing equipment for conveying the required raw materials. This method makes the device unrestricted during use.

[0045] Reference Figure 7 The bottom end of the conveying chamber 1 is connected to a feeding pipe 25. The bottom flange of the feeding pipe 25 is fixedly connected to a connecting cover 26 made of flexible material structure. The bottom end of the connecting cover 26 is fixedly connected to an elastic band 27.

[0046] During the material feeding process through the feeding pipe 25, the elastic band 27 can be placed on the outer wall of the feed end of the processing equipment that needs to convey the raw materials, so that the connecting cover 26 seals the feeding pipe 25 and the feed end, reducing the splashing of plastic particles during feeding due to external factors. This method reduces the waste of resources and improves practicality.

[0047] All output devices are designed with a motor structure.

[0048] The implementation principle of a raw material conveying structure for a food packaging bag according to an embodiment of this application is as follows:

[0049] First, when plastic granules are fed into the feed inlet 4, they are screened by the screening plate 8. Plastic granules that meet the standards will enter the screening plate 8 for conveying, while plastic granules that do not meet the standards will be stored on the screening plate 8.

[0050] Secondly, the non-standard plastic particles after screening will be transported to the inside of the grinding chamber 10 through the transmission pipe 9, crushed again by the crushing roller 11, and output through the transmission pump 14, sucked into the conveying pipe 13, and transported to the discharge head 15 and discharged into the inside of the feed inlet 4 for conveying again.

[0051] Then, the output device drives the auger 3 to rotate at a constant speed, thereby pushing the plastic granules inside the conveying chamber 1 that need to be transferred to the food packaging bag production equipment to complete the conveying operation.

[0052] Then, the elastic band 27 is placed on the outer wall of the feed end of the processing equipment for conveying the required raw materials, so that the connecting cover 26 seals the feed pipe 25 and the feed end.

[0053] Finally, based on the height of the feed end of the processing equipment for conveying the required raw materials, the output device can drive the connecting screw 21 to rotate. The screw drive structure, consisting of the connecting screw 21 and the transmission screw sleeve 20, drives the sliding block 19 to move inside the sliding cavity 18. During the movement of the sliding block 19, the second mounting frame 22 is moved. Thus, the movement of the second mounting frame 22 changes the tilt angle of the support arm 23, causing one end of the conveying cavity 1 to move in an arc around the hinge point between the first mounting frame 16 and the bottom side of the conveying cavity 1. This makes the height of the discharge pipe 25 correspond to the height of the feed end of the processing equipment for conveying the required raw materials. In this way, the raw material conveying structure for food packaging bags is completed.

[0054] The above are merely optional embodiments of this disclosure and are not intended to limit this disclosure. Various modifications and variations can be made to this disclosure by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the scope of protection of this disclosure.

Claims

1. A raw material conveying structure for food packaging bags, characterized in that: The device includes a conveying chamber (1), one end of which is equipped with a maintenance plate (2), one end of which is equipped with an output device, and the output end of the output device is connected to one end of an auger (3). The auger (3) is rotatably connected to one end of the maintenance plate (2). The top of the conveying chamber (1) is equipped with a feed inlet (4), and the inside of the feed inlet (4) is equipped with a screening structure. One side of the conveying chamber (1) is connected to one end of a transmission pipe (9), and the other end of the transmission pipe (9) is connected to a crushing component. One side of the bottom of the conveying chamber (1) is hinged to the inside of the top of the conveying chamber (1) through a rotating shaft.

2. The raw material conveying structure for a food packaging bag according to claim 1, characterized in that: The screening structure includes a guide cavity (5), a movable block (6), a reset spring (7), and a screening plate (8). The inner walls on both sides of the conveying cavity (1) are equipped with guide cavities (5). The top of each guide cavity (5) is movably connected to a movable block (6). The bottom of the movable block (6) is connected to the top of the reset spring (7), and the reset spring (7) is installed at the bottom of the guide cavity (5). The top of each movable block (6) is connected to the bottom of the screening plate (8), which is set in an inclined structure.

3. The raw material conveying structure for a food packaging bag according to claim 1, characterized in that: The crushing assembly includes a grinding chamber (10) and a crushing roller (11). The other end of the transmission pipe (9) is connected to the top of the grinding chamber (10). The grinding chamber (10) is equipped with two crushing rollers (11) that are symmetrically rotated inside.

4. The raw material conveying structure for a food packaging bag according to claim 3, characterized in that: One end of each of the two grinding rollers (11) is connected to one end of a gear (12), the two gears (12) mesh with each other and are rotatably disposed outside the grinding chamber (10), and one end of one of the gears (12) is connected to the output end of the output device.

5. The raw material conveying structure for a food packaging bag according to claim 3, characterized in that: The bottom end of the grinding chamber (10) is connected to one end of the conveying pipe (13), and the other end of the conveying pipe (13) is connected to the input end of the transmission pump (14). The output end of the transmission pump (14) is connected to one end of the discharge head (15), and the other end of the discharge head (15) is located above the feed inlet (4).

6. The raw material conveying structure for a food packaging bag according to claim 1, characterized in that: The bottom end of the conveying cavity (1) is hinged to a first mounting bracket (16) via a rotating shaft. The first mounting bracket (16) is mounted on the top of the base (17). A sliding cavity (18) is installed inside the top of the base (17). A sliding block (19) is movably connected inside the sliding cavity (18). A transmission screw sleeve (20) is installed through the sliding block (19). A connecting screw (21) is engaged with the inner side wall of the transmission screw sleeve (20). The connecting screw (21) is rotatably connected inside the sliding cavity (18), and one end of the connecting screw (21) is connected to the output end of the output device.

7. The raw material conveying structure for a food packaging bag according to claim 6, characterized in that: The top of each sliding block (19) is equipped with a second mounting bracket (22), and the interior of the second mounting bracket (22) is hinged to one end of the support arm (23). The other end of the support arm (23) is hinged to the interior of the bottom end of the third mounting bracket (24), and the third mounting bracket (24) is installed at the bottom end of the conveying cavity (1).

8. The raw material conveying structure for a food packaging bag according to claim 1, characterized in that: The bottom end of the conveying chamber (1) is equipped with a feeding pipe (25), and the bottom end of the feeding pipe (25) is equipped with a connecting cover (26), and the other end of the connecting cover (26) is equipped with an elastic band (27).

Images