Feeding mechanism of bag making machine

Abstract

The utility model discloses a feeding mechanism of a bag making machine, which belongs to the field of feeding mechanisms, and comprises a bag making machine body, an unwinding roller and a material roll, a feeding device is arranged behind the bag making machine body, and the feeding device comprises a rear side plate, a fixing plate, a screw rod, a driving motor, a lifting plate, a supporting material plate and a limiting plate, the two sides of the rear end of the bag making machine body are fixedly connected with rear side plates correspondingly, the outer side walls of the rear side plates are fixedly connected with a set of symmetrical fixing plates, and after a material roll is arranged on an unwinding roller in a sleeving mode, rotating shafts at the two ends of the unwinding roller are placed in U-shaped openings formed in the top faces of supporting material plates which are symmetrical left and right on the top face of a lifting plate; the driving motor is started to drive the output end to drive the screw rod to rotate through the rotating rod, so that the lifting plate moves upwards along the screw rod and the guide rod through the screw hole and the guide hole until the material roll is lifted to a proper height position, the purpose of facilitating feeding is achieved when the bag making machine body is used, manual carrying and feeding are not needed, and time and labor are saved during feeding operation.

Description

Technical Field

[0001] The utility model relates to the field of feeding mechanisms, in particular to a feeding mechanism for a bag making machine. Background Art

[0002] A bag making machine is a machine that makes various plastic packaging bags or other material packaging bags. Its processing range is packaging bags of various sizes, thicknesses and specifications of plastics or other materials. Generally speaking, plastic packaging bags are the main products.

[0003] In the prior art, when the bag making machine is actually used, it is necessary to put the material roll onto the unwinding roller, and then place the unwinding roller on the material rack behind the bag making machine to feed the material when the bag making machine is running. However, since the material rack has a certain height, the material roll needs to be manually lifted to the specified height position for installation during feeding, which is time-consuming and labor-intensive. At the same time, due to the lack of limiting measures for the material roll on the unwinding roller during feeding, the material roll is prone to left and right deviation during feeding, which not only reduces work efficiency, but also affects the feeding and conveying. Utility Model Content

[0004] The main purpose of the utility model is to provide a feeding mechanism for a bag making machine, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The lifting plate is movably connected to the fixing plate of the fixing plate, and the output end of the driving motor is fixedly connected to the top surface of the fixing plate, and the output end of the driving motor is fixedly connected to the rotating rod at the top end, and the lifting plate is movably connected to the screw through screw holes on both sides of the top surface, and the top surface of the lifting plate is also fixedly connected to a group of symmetrical supporting material plates, the two limiting plates are respectively fixedly connected to the top surface of the lifting plate by nuts, the material roll is sleeved on the outside of the unwinding roller, and the unwinding roller is movably connected between the supporting material plates through the rotating shafts at both ends.

[0007] Preferably, rear side panels are fixedly installed on the left and right sides of the rear of the bag making machine body, and a group of upper and lower symmetrical fixed plates are fixedly installed on the outer side walls of the rear side panels. A rotating hole is provided on the top surface of the fixed plate, and a movable opening is also provided on the side wall of the rear side panel, and a guide rod is fixedly installed inside the movable opening.

[0008] Preferably, rotating rods are fixedly installed at the upper and lower ends of the screw rod, and the rotating rods are movably installed in the rotating holes. The driving motor is fixedly installed on the top surface of the upper fixed plate, and the output end of the driving motor is fixedly installed together with the rotating rod at the upper end.

[0009] Preferably, the lifting plate passes through the movable opening, and a group of left-right symmetrical screw holes are opened on the top surface of the lifting plate and are threadedly connected to the screw rod through the screw holes. A group of left-right symmetrical guide holes are also opened on the top surface of the lifting plate and located between the screw holes, and the lifting plate is movably installed together with the guide rod through the guide holes.

[0010] Preferably, a group of left-right symmetrical supporting material plates are fixedly installed on the top surface of the lifting plate, and a U-shaped opening is opened on the top surface of the supporting material plate. The rotating shafts at the left and right ends of the unwinding roller are movably installed in the U-shaped opening, and the material roll is mounted on the outside of the unwinding roller.

[0011] Preferably, an adjustment port is provided on the top surface of the lifting plate and between the left-right symmetrical guide holes. The two limit plates are left-right symmetrical, and an arc-shaped port is provided on the top surface of the limit plate. A threaded short rod is fixedly installed on the bottom surface of the limit plate, and the threaded short rod passes through the adjustment port. A fastening gasket is also provided on the bottom of the outside of the threaded short rod, and the nut is threadedly connected to the threaded short rod.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The utility model provides a feeding device. After the material roll is put on the unwinding roller, the rotating shafts at both ends of the unwinding roller are placed in the U-shaped openings opened on the top surface of the supporting material plate which is symmetrical on the left and right sides of the lifting plate. The driving motor is turned on to drive the output end to rotate the screw through the rotating rod, so that the lifting plate moves upward along the screw and the guide rod through the screw hole and the guide hole until the material roll is lifted to a suitable height position, thereby achieving the purpose of convenient feeding when the bag making machine body is used, without the need for manual lifting and feeding, and the feeding operation is time-saving and labor-saving, and according to the material roll on the unwinding The position of the roller is moved in the opposite direction, and the limit plates located on the left and right symmetrical sides of the top surface of the lifting plate are moved so that the limit plates pass through the arc-shaped opening on the top surface and move along the unwinding roller and are placed on the left and right sides of the material roll. The nut on the outside of the threaded short rod at the bottom end of the limit plate is rotated, and the fastening gasket is pressed against the bottom surface of the lifting plate through the nut to fix the position of the limit plate, thereby limiting the material roll on the unwinding roller and avoiding the problem of left and right displacement when feeding the material roll. This not only improves the work efficiency, but also ensures the normal unwinding and feeding operation of the feeding device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0015] Figure 2It is a rear view schematic diagram of the overall structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the overall structure of the rear side panel of the present invention;

[0017] Figure 4 This is a schematic diagram of the structural disassembly of the feeding device of the present invention.

[0018] In the figure: 1. Bag making machine body; 2. Feeding device; 3. Rear side plate; 4. Fixed plate; 5. Rotating hole; 6. Movable opening; 7. Guide rod; 8. Screw; 9. Rotating rod; 10. Driving motor; 11. Lifting plate; 12. Screw hole; 13. Guide hole; 14. Adjustment opening; 15. Support material plate; 16. U-shaped opening; 17. Limiting plate; 18. Arc opening; 19. Threaded short rod; 20. Fastening washer; 21. Nut; 22. Unwinding roller; 23. Rotating shaft; 24. Material roll. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1 - Figure 4 As shown, a feeding mechanism of a bag making machine includes a bag making machine body 1, a reel 22 and a material roll 24. A feeding device 2 is provided at the rear of the bag making machine body 1, and the feeding device 2 includes a rear side plate 3, a fixed plate 4, a screw 8, a drive motor 10, a lifting plate 11, a supporting material plate 15 and a limit plate 17. The rear ends of the bag making machine body 1 are fixedly connected to the rear side plates 3 on both sides, and a group of symmetrical fixed plates 4 are fixedly connected to the outer side walls of the rear side plates 3. The screw 8 is movably connected between the fixed plates 4 through the rotating rods 9 at both ends. The driving motor 10 is fixedly connected to the top surface of the upper fixed plate 4, and the output end of the driving motor 10 is fixedly connected to the rotating rod 9 at the top. The lifting plate 11 is movably connected to the screw 8 through the screw holes 12 on both sides of the top surface, and the top surface of the lifting plate 11 is also fixedly connected to a group of symmetrical support material plates 15. The two limit plates 17 are respectively fixedly connected to the top surface of the lifting plate 11 by nuts 21. The material roll 24 is mounted on the outside of the unwinding roller 22, and the unwinding roller 22 is movably connected between the support material plates 15 through the rotating shafts 23 at both ends.

[0021] like Figure 3As shown, the bag making machine body 1 is fixedly installed with rear side panels 3 on the left and right sides of the rear, and a group of upper and lower symmetrical fixed plates 4 are fixedly installed on the outer side walls of the rear side panels 3. A rotating hole 5 is opened on the top surface of the fixed plate 4, and a movable opening 6 is also opened on the side wall of the rear side panel 3. A guide rod 7 is fixedly installed inside the movable opening 6. The rotating hole 5 opened on the top surface of the fixed plate 4 is used to cooperate with the use of the rotating rod 9 so that the rotating rod 9 can realize the rotation operation, and the movable opening 6 opened on the side wall of the rear side panel 3 can make the lifting plate 11 move up and down between the rear side panels 3 along the movable opening 6, and the guide rod 7 installed in the movable opening 6 is used to guide the lifting plate 11 to move.

[0022] like Figure 4 As shown, the upper and lower ends of the screw 8 are respectively fixedly mounted with rotating rods 9, and the rotating rods 9 are movably mounted in the rotating hole 5, the drive motor 10 is fixedly mounted on the top surface of the upper fixed plate 4, and the output end of the drive motor 10 is fixedly mounted together with the rotating rod 9 at the upper end. After the material roll 24 is set on the unwinding roller 22, and the rotating shafts 23 at the left and right ends of the unwinding roller 22 are placed in the U-shaped opening 16 opened on the top surface of the supporting material plate 15, the drive motor 10 is turned on to drive the output end to drive the rotating rod 9 to rotate in the rotating hole 5, and the rotating rod 9 will drive the screw 8 to rotate;

[0023] like Figure 4 As shown, the lifting plate 11 passes through the movable opening 6, and a group of bilaterally symmetrical screw holes 12 are opened on the top surface of the lifting plate 11 and are threadedly connected to the screw rod 8 through the screw holes 12. A group of bilaterally symmetrical guide holes 13 are also opened on the top surface of the lifting plate 11 and located between the screw holes 12. The lifting plate 11 is movably installed with the guide rod 7 through the guide holes 13. Driven by the rotation of the screw rod 8, the lifting plate 11 will pass through the screw holes 12 and the guide holes 13 along the screw rod 8 and the guide rod 7 in the movable opening 6 and move upward between the rear side plates 3;

[0024] like Figure 4As shown, a group of left-right symmetrical supporting material plates 15 are fixedly installed on the top surface of the lifting plate 11, and a U-shaped opening 16 is opened on the top surface of the supporting material plate 15. The rotating shafts 23 at the left and right ends of the unwinding roller 22 are movably installed in the U-shaped opening 16, and the material roll 24 is sleeved on the outside of the unwinding roller 22. The material roll 24 placed between them will be lifted to a specified height position under the movement of the lifting plate 11, thereby achieving the purpose of facilitating material feeding without having to manually lift the material roll 24. At the same time, the subsequent material roll 24 is used After use, the lifting plate 11 can be moved downward to remove the rotating shaft 23 from between the supporting material plates 15, and then the empty material roll sleeve of the rotating shaft 23 can be removed and replaced with a new material roll 24 to continue loading and feeding. When the bag making machine body 1 is in use, the feeding device 2 has the function of facilitating loading and unloading of materials, and after the rotating shaft 23 is placed in the U-shaped opening 16 opened on the top surface of the supporting material plate 15, it can ensure that the unwinding roller 22 can realize the rotation operation between the supporting material plates 15, and the unwinding and feeding operation is completed after the external material roll 24 rotates;

[0025] like Figure 4 As shown, an adjustment port 14 is provided on the top surface of the lifting plate 11 and between the left-right symmetrical guide holes 13. The two limit plates 17 are left-right symmetrical, and an arc-shaped port 18 is provided on the top surface of the limit plate 17. A threaded short rod 19 is fixedly installed on the bottom surface of the limit plate 17, and the threaded short rod 19 passes through the adjustment port 14. A fastening washer 20 is also provided on the outside of the threaded short rod 19, and a nut 21 is threadedly connected to the threaded short rod 19. According to the position of the material roll 24 on the unwinding roller 22, the limit plate 17 of the lifting plate 11 is moved. The limit plate 17 will move along the unwinding roller 22 through the arc-shaped opening 18 on the top surface, and the threaded short rod 19 installed on the bottom surface will move in the adjustment opening 14 opened on the top surface of the lifting plate 11. After the limit plate 1 moves to both sides of the material roll 24, the nut 21 is rotated to push the fastening gasket 20 against the bottom surface of the lifting plate 11 to fix the position of the limit plate 17. The material roll 24 can be limited by the limit plates 17 on both sides, which can prevent the material roll 24 from being displaced left and right when unwinding and feeding, thereby ensuring the normal unwinding and feeding of the material roll 24.

[0026] It should be noted that the present invention is a feeding mechanism for a bag making machine. Before the bag making machine body 1 is used, after the material roll 24 is set on the unwinding roller 22, the rotating shafts 23 at the left and right ends of the unwinding roller 22 are placed in the U-shaped openings 16 opened on the top surfaces of the left-right symmetrical supporting material plates 15 installed on the top surface of the lifting plate 11. Then, according to the position of the material roll 24 on the unwinding roller 22, the left-right symmetrical limiting plates 17 between the supporting material plates 15 on the top surface of the lifting plate 11 are moved in the relative directions. The limiting plates 17 will pass through the openings on the top surface. The arc-shaped opening 18 moves along the unwinding roller 22, and the threaded short rod 19 installed on the bottom surface of the limit plate 17 will move in the adjustment opening 14 opened on the top surface of the lifting plate 11 until the limit plate 17 moves to both sides of the material roll 24. Then, the nut 21 located below the outside of the threaded short rod 19 is rotated. The nut 21 will push the fastening washer 20 set on the threaded short rod 19 to move upward until the fastening washer 20 is pressed against the bottom surface of the lifting plate 11 so that the nut 21 can no longer be rotated, thereby fixing the position of the limit plate 17. Turn on the drive motor 10 installed on the top surface of the fixed plate 4 above the outer wall of the rear side plate 3. The drive motor 10 will drive the output end to drive the rotating rods 9 installed at the upper and lower ends of the screw 8 to rotate in the rotating hole 5 opened on the top surface of the fixed plate 4 installed on the outer wall of the rear side plate 3, and the rotating rod 9 will drive the screw 8 to rotate, so that the lifting plate 11 passes through the screw hole 12 opened on the top surface and moves upward along the screw 8 in the movable opening 6 opened on the side wall of the rear side plate 3. When moving, the lifting plate 11 will also pass through the guide hole opened on the top surface. 13 slides along the guide rod 7 installed in the movable mouth 6 until the material roll 24 between the rear side plates 3 is moved to a suitable height position, thereby achieving the purpose of facilitating feeding when the bag making machine body 1 is in use, without the need for manual lifting and feeding, and the feeding operation is time-saving and labor-saving. The material roll 24 is limited by the limiting plates 17 on both sides, which can prevent the material roll 24 from being displaced left and right when unwinding and feeding, thereby not only improving work efficiency, but also ensuring the normal unwinding and feeding operation of the feeding device 2 when in use.

[0027] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, various improvements may be made to the present invention and its components may be replaced with equivalents, or some of its technical features may be replaced with equivalents without departing from the scope of the present invention. Anything within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A feeding mechanism for a bag making machine, comprising a bag making machine body (1), a reeling roller (22) and a material roll (24), characterized in that: A feeding device (2) is provided at the rear of the bag making machine body (1), and the feeding device (2) includes a rear side plate (3), a fixed plate (4), a screw (8), a driving motor (10), a lifting plate (11), a supporting material plate (15) and a limiting plate (17). The rear ends of the bag making machine body (1) are fixedly connected to the rear side plates (3) on both sides, and a group of symmetrical fixed plates (4) are fixedly connected to the outer side walls of the rear side plates (3). The screw (8) is movably connected between the fixed plates (4) through rotating rods (9) at both ends. The driving motor (10) is fixedly connected to the upper fixed plate (15). The top surface of the fixed plate (4) is fixedly connected to the output end of the driving motor (10) and the rotating rod (9) at the top. The lifting plate (11) is movably connected to the screw rod (8) through the screw holes (12) on both sides of the top surface. The top surface of the lifting plate (11) is also fixedly connected to a group of symmetrical supporting material plates (15). The two limiting plates (17) are respectively fixedly connected to the top surface of the lifting plate (11) through nuts (21). The material roll (24) is mounted on the outside of the unwinding roller (22), and the unwinding roller (22) is movably connected between the supporting material plates (15) through the rotating shafts (23) at both ends.

2. A feeding mechanism for a bag making machine according to claim 1, characterized in that: The bag making machine body (1) is fixedly provided with rear side panels (3) on the left and right sides of the rear, and a group of vertically symmetrical fixed panels (4) are fixedly provided on the outer side walls of the rear side panels (3). A rotating hole (5) is provided on the top surface of the fixed panel (4). A movable opening (6) is also provided on the side wall of the rear side panel (3), and a guide rod (7) is fixedly provided inside the movable opening (6).

3. The feeding mechanism of a bag making machine according to claim 2, characterized in that: The upper and lower ends of the screw rod (8) are respectively fixedly mounted with rotating rods (9), and the rotating rod (9) is movably mounted in the rotating hole (5). The driving motor (10) is fixedly mounted on the top surface of the upper fixed plate (4), and the output end of the driving motor (10) is fixedly mounted together with the rotating rod (9) at the upper end.

4. A feeding mechanism for a bag making machine according to claim 3, characterized in that: The lifting plate (11) passes through the movable opening (6), and a group of left-right symmetrical screw holes (12) are opened on the top surface of the lifting plate (11) and are threadedly connected to the screw rod (8) through the screw holes (12). A group of left-right symmetrical guide holes (13) are opened on the top surface of the lifting plate (11) and are located between the screw holes (12), and the lifting plate (11) is movably installed with the guide rod (7) through the guide holes (13).

5. The feeding mechanism of a bag making machine according to claim 4, characterized in that: A group of left-right symmetrical supporting material plates (15) are fixedly mounted on the top surface of the lifting plate (11), and a U-shaped opening (16) is opened on the top surface of the supporting material plates (15). The rotating shafts (23) at the left and right ends of the unwinding roller (22) are movably mounted in the U-shaped opening (16), and the material roll (24) is sleeved on the outside of the unwinding roller (22).

6. The feeding mechanism of a bag making machine according to claim 5, characterized in that: An adjustment opening (14) is provided on the top surface of the lifting plate (11) and between the left-right symmetrical guide holes (13). The two limit plates (17) are left-right symmetrical, and an arc-shaped opening (18) is provided on the top surface of the limit plate (17). A threaded short rod (19) is fixedly installed on the bottom surface of the limit plate (17), and the threaded short rod (19) passes through the adjustment opening (14). A fastening washer (20) is also provided on the outside of the threaded short rod (19), and a nut (21) is threadedly connected to the threaded short rod (19).

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