Tightening mechanism for packaging film printing

Abstract

The utility model relates to the technical field of packaging film printing, and discloses a packaging film printing tightening mechanism which comprises a bottom plate, a bearing frame is fixedly connected to the lower side of the bottom plate, supporting plates are fixedly connected to the two sides of the upper portion of the bottom plate, and guide rollers are rotationally connected to the sides, close to each other, of the two supporting plates. A first motor is fixedly connected to the lower side of the interior of the bearing frame, a rotating block is fixedly connected to the output end of the first motor, a first rotating plate is fixedly connected to the front side of the rotating block, a gear is rotatably connected to the upper side of the first rotating plate, and the gear is in meshed connection with a rack ring; and the upper side of the gear is rotationally connected with a second rotating plate. According to the automatic adjusting device, the automatic adjusting function is achieved, the tightening force can be automatically adjusted according to the running state of a printing machine or the change of a film material, the packaging film can be prevented from falling off in the winding process, and the problems that the material is loosened, wrinkled, twisted and the like are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging film printing, in particular to a tightening mechanism for packaging film printing. Background Art

[0002] With the rapid development of the modern packaging industry, packaging film, as one of the important materials, is widely used in product packaging, protection and display.

[0003] When adjusting the tension of the packaging film, traditional devices are unable to automatically adjust the tightening force according to different working conditions, and the operation is relatively cumbersome. It is often unable to automatically adjust the tightening force in real time according to changes in the film material and the operating conditions of the production line, resulting in uneven tension, which in turn affects the stability of the film material and the printing quality. In addition, during the winding process of the packaging film, if there is no effective tension control, the packaging film is prone to loosening, wrinkling, and falling off, resulting in an increase in the scrap rate in the production process and affecting production efficiency. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a tightening mechanism for packaging film printing, which aims to improve the problems in the existing technology that the tightening force cannot be automatically adjusted according to different working conditions, and during the packaging film winding process, if there is no effective tension control, the packaging film is prone to loosening, wrinkling, falling off, etc.

[0005] The top of described sliding panel also is provided with an interlocking structure, and the interlocking structure is that of an electric arc plate, and an electric arc plate, respectively. The two guide wheels are rotated to move relative to each other to move the two guide wheels, thereby making the two guide wheels have the interlocking structure and the interlocking structure in an orderly manner.

[0006] As a further description of the above technical solution:

[0007] The winding assembly includes a fixed plate, which is fixedly connected to the front side of the support frame, a second motor is fixedly connected to the upper side of the fixed plate, an output end of the second motor is fixedly connected to a driving wheel, the driving wheel is connected to a driven wheel through a belt, the interior of the driven wheel is fixedly connected to a connecting shaft, and the exterior of the connecting shaft is fixedly connected to a winding roller.

[0008] As a further description of the above technical solution:

[0009] A connecting plate is fixedly connected to the upper side of the support frame, and connecting rods are fixedly connected to both sides of the lower part of the connecting plate. A groove is provided on the right side of the connecting rod, and a telescopic rod is fixedly connected to the left side inside the groove. A spring is provided on the outside of the telescopic rod, and the output end of the telescopic rod is fixedly connected to a limiting component, which is used to prevent the packaging film from falling off when it is wrapped.

[0010] As a further description of the above technical solution:

[0011] The limiting assembly includes a fixing rod, which is fixedly connected to the output end of the telescopic rod. The right end of the fixing rod is fixedly connected to a connecting block, and the right side of the connecting block is fixedly connected to a limiting plate.

[0012] As a further description of the above technical solution:

[0013] One end of the spring is fixedly connected to the inner left side of the groove, and the other end of the spring is fixedly connected to the left side of the fixing rod.

[0014] As a further description of the above technical solution:

[0015] Both sides of the interior of the rack ring are fixedly connected with support columns, and the support columns are fixedly connected to both sides of the lower part of the bottom plate.

[0016] As a further description of the above technical solution:

[0017] Both sides of the interior of the bottom plate are slidably connected with sliding grooves, and the interior of the sliding grooves is slidably connected with connecting frames.

[0018] As a further description of the above technical solution:

[0019] The fixing rod is slidably connected inside the groove.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the first motor is started to drive the rotating block, the first rotating plate, the gear, the second rotating plate, and the third rotating plate to rotate, so that the gear rotates inside the rack ring, and the rotation of the third rotating plate drives the connecting frame and the supporting frame to move, so that the connecting frame slides inside the slide groove, thereby enabling the device to have an automatic adjustment function, and can automatically adjust the tightening force according to the operating status of the printing press or changes in the film material.

[0022] 2. In the utility model, the packaging film squeezes the limit plate while being wound, and the movement of the limit plate drives the connecting block and the fixed rod to move, so that the fixed rod slides inside the groove, and then squeezes the telescopic rod and the spring, thereby preventing the packaging film from falling off during winding, and effectively avoiding problems such as material loosening, wrinkling, and twisting. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional diagram of a tightening mechanism for packaging film printing proposed by the present invention;

[0024] Figure 2 This is a side view of a tightening mechanism for packaging film printing proposed by the present invention;

[0025] Figure 3 This is a schematic diagram of the driving component structure of a tightening mechanism for packaging film printing proposed by the present invention;

[0026] Figure 4 This is a schematic diagram of the guide component structure of a tightening mechanism for packaging film printing proposed by the present invention.

[0027] Legend:

[0028] 1. Base plate; 2. Carrying frame; 3. Support plate; 4. Guide roller; 5. First motor; 6. Rotating block; 7. First rotating plate; 8. Gear; 9. Rack ring; 10. Second rotating plate; 11. Third rotating plate; 12. Connecting frame; 13. Slide groove; 14. Support frame; 15. Fixed plate; 16. Second motor; 17. Driving wheel; 18. Belt; 19. Driven wheel; 20. Connecting shaft; 21. Support column; 22. Winding roller; 23. Connecting plate; 24. Connecting rod; 25. Groove; 26. Telescopic rod; 27. Spring; 28. Fixed rod; 29. ​​Connecting block; 30. Limit plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Reference Figure 1 、 Figure 2 、 Figure 3The utility model provides an embodiment: a tightening mechanism for packaging film printing, including a bottom plate 1, a carrier frame 2 is fixedly connected to the lower side of the bottom plate 1, support plates 3 are fixedly connected to both sides of the upper part of the bottom plate 1, and the adjacent sides of the two support plates 3 are rotatably connected to guide rollers 4, a first motor 5 is fixedly connected to the lower inner side of the carrier frame 2, a rotating block 6 is fixedly connected to the output end of the first motor 5, a first rotating plate 7 is fixedly connected to the front side of the rotating block 6, a gear 8 is rotatably connected to the upper side of the first rotating plate 7, the gear 8 is meshed with a rack ring 9, the upper side of the gear 8 is rotatably connected to the second rotating plate 10, and the upper side of the second rotating plate 10 rotates It is connected to a third rotating plate 11, which is rotatably connected to a connecting frame 12. The upper side of the connecting frame 12 is fixedly connected to a support frame 14, and the front side of the support frame 14 is fixedly connected to a winding assembly, which is used to roll up the packaging film; the winding assembly includes a fixed plate 15, which is fixedly connected to the front side of the support frame 14, and the upper side of the fixed plate 15 is fixedly connected to a second motor 16, and the output end of the second motor 16 is fixedly connected to a driving wheel 17, and the driving wheel 17 is connected to a driven wheel 19 through a belt 18, and the inside of the driven wheel 19 is fixedly connected to a connecting shaft 20, and the outside of the connecting shaft 20 is fixedly connected to a winding roller 22.

[0031] By starting the second motor 16, the driving wheel 17, the belt 18, the driven wheel 19, the connecting shaft 20 and the winding roller 22 are driven to rotate, thereby winding the packaging film; by starting the first motor 5, the rotating block 6, the first rotating plate 7, the gear 8, the second rotating plate 10, and the third rotating plate 11 are driven to rotate, so that the gear 8 rotates inside the rack ring 9, and the rotation of the third rotating plate 11 drives the connecting frame 12 and the supporting frame 14 to move, so that the connecting frame 12 slides inside the slide groove 13, thereby enabling the device to have an automatic adjustment function.

[0032] Reference Figure 1 、 Figure 2 、 Figure 4 The upper side of the support frame 14 is fixedly connected to a connecting plate 23, and both sides of the lower part of the connecting plate 23 are fixedly connected to connecting rods 24. A groove 25 is provided on the right side of the connecting rod 24, and a telescopic rod 26 is fixedly connected to the left side of the inner part of the groove 25. A spring 27 is provided on the outside of the telescopic rod 26. The output end of the telescopic rod 26 is fixedly connected to a limiting assembly, which is used to prevent the packaging film from falling off when it is wrapped; the limiting assembly includes a fixed rod 28, which is fixedly connected to the output end of the telescopic rod 26, and the right end of the fixed rod 28 is fixedly connected to a connecting block 29. The right side of the connecting block 29 is fixedly connected to a limiting plate 30.

[0033] The packaging film squeezes the limit plate 30 while being wound, and the movement of the limit plate 30 drives the connecting block 29 and the fixing rod 28 to move, so that the fixing rod 28 slides inside the groove 25, thereby squeezing the telescopic rod 26 and the spring 27, thereby preventing the packaging film from falling off during winding.

[0034] Reference Figure 1 、 Figure 3 、 Figure 4 One end of the spring 27 is fixedly connected to the left side of the interior of the groove 25, and the other end of the spring 27 is fixedly connected to the left side of the fixing rod 28; the inner sides of the rack ring 9 are fixedly connected to the support columns 21, and the support columns 21 are fixedly connected to the lower sides of the base plate 1; the inner sides of the base plate 1 are slidably connected to the slide grooves 13, and the inner side of the slide grooves 13 is slidably connected to the connecting frame 12; the fixing rod 28 is slidably connected to the interior of the groove 25.

[0035] One end of the spring 27 is fixedly connected to the left side of the interior of the groove 25, and the other end of the spring 27 is fixedly connected to the left side of the fixing rod 28, which plays a role in supporting and limiting the fixing rod 28; support columns 21 are fixedly connected on both sides of the interior of the rack ring 9, and the support columns 21 are fixedly connected to both sides of the lower part of the base plate 1, which plays a role in fixing and supporting the rack ring 9; slide grooves 13 are slidably connected on both sides of the interior of the base plate 1, and the interior of the slide groove 13 is slidably connected to the connecting frame 12, which plays a role in supporting and limiting the connecting frame 12; the fixing rod 28 is slidably connected to the interior of the groove 25, which facilitates the limitation of the packaging film.

[0036] Working principle: When using this device, by starting the second motor 16, the second motor 16 starts to drive the driving wheel 17 to rotate, the driving wheel 17 rotates and drives the driven wheel 19 connected to the belt 18 to rotate, the driven wheel 19 rotates and drives the connecting shaft 20 to rotate, the connecting shaft 20 rotates and drives the winding roller 22 to rotate, thereby winding the packaging film; while the packaging film is being wound, it squeezes the limiting plate 30, the movement of the limiting plate 30 drives the connecting block 29 to move, the movement of the connecting block 29 drives the fixing rod 28 to move, so that the fixing rod 28 slides inside the groove 25, squeezing the telescopic rod 26 and the spring 27, thereby preventing the packaging film from falling off during winding, and effectively avoiding loosening, wrinkling, and twisting of the material. Problems; by starting the first motor 5, the first motor 5 starts to drive the rotating block 6 to rotate, the rotating block 6 rotates to drive the first rotating plate 7 to rotate, the first rotating plate 7 rotates to drive the gear 8 to rotate, so that the gear 8 rotates inside the rack ring 9, the gear 8 rotates to drive the second rotating plate 10 to rotate, the second rotating plate 10 rotates to drive the third rotating plate 11 to rotate, the third rotating plate 11 rotates to drive the connecting frame 12 to move, so that the connecting frame 12 slides inside the slide groove 13, the movement of the connecting frame 12 drives the support frame 14 to move, and then the use position of the winding assembly is adjusted, so that the device has an automatic adjustment function, which can automatically adjust the tightening force according to the operating status of the printing press or the change of the film material.

[0037] Finally, it should be noted that the above is only 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, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A tightening mechanism for packaging film printing, comprising a bottom plate (1), characterized in that: The lower side of the bottom plate (1) is fixedly connected to a carrier frame (2), both sides of the upper part of the bottom plate (1) are fixedly connected to support plates (3), and the adjacent sides of the two support plates (3) are rotatably connected to guide rollers (4). The inner lower side of the carrier frame (2) is fixedly connected to a first motor (5), the output end of the first motor (5) is fixedly connected to a rotating block (6), the front side of the rotating block (6) is fixedly connected to a first rotating plate (7), the upper side of the first rotating plate (7) is rotatably connected to a gear (8), the gear (8) is meshed with a rack ring (9), the upper side of the gear (8) is rotatably connected to a second rotating plate (10), the upper side of the second rotating plate (10) is rotatably connected to a third rotating plate (11), the third rotating plate (11) is rotatably connected to a connecting frame (12), the upper side of the connecting frame (12) is fixedly connected to a supporting frame (14), and the front side of the supporting frame (14) is fixedly connected to a winding assembly, which is used to roll up the packaging film.

2. The tightening mechanism for packaging film printing according to claim 1, characterized in that: The winding assembly comprises a fixed plate (15), wherein the fixed plate (15) is fixedly connected to the front side of the support frame (14), a second motor (16) is fixedly connected to the upper side of the fixed plate (15), an output end of the second motor (16) is fixedly connected to a driving wheel (17), the driving wheel (17) is connected to a driven wheel (19) via a belt (18), the interior of the driven wheel (19) is fixedly connected to a connecting shaft (20), and the exterior of the connecting shaft (20) is fixedly connected to a winding roller (22).

3. The tightening mechanism for packaging film printing according to claim 1, characterized in that: A connecting plate (23) is fixedly connected to the upper side of the support frame (14), and connecting rods (24) are fixedly connected to both sides of the lower part of the connecting plate (23). A groove (25) is provided on the right side of the connecting rod (24), and a telescopic rod (26) is fixedly connected to the left side of the inner part of the groove (25). A spring (27) is sleeved on the outer side of the telescopic rod (26). The output end of the telescopic rod (26) is fixedly connected to a limiting assembly, and the limiting assembly is used to prevent the packaging film from falling off when it is wound.

4. The tightening mechanism for packaging film printing according to claim 3, characterized in that: The limiting assembly comprises a fixing rod (28), the fixing rod (28) being fixedly connected to the output end of the telescopic rod (26), the right end of the fixing rod (28) being fixedly connected to a connecting block (29), and the right side of the connecting block (29) being fixedly connected to a limiting plate (30).

5. The tightening mechanism for packaging film printing according to claim 3, characterized in that: One end of the spring (27) is fixedly connected to the inner left side of the groove (25), and the other end of the spring (27) is fixedly connected to the left side of the fixing rod (28).

6. The tightening mechanism for packaging film printing according to claim 1, characterized in that: Support columns (21) are fixedly connected to both sides of the interior of the rack ring (9), and the support columns (21) are fixedly connected to both sides of the lower part of the bottom plate (1).

7. The tightening mechanism for packaging film printing according to claim 1, characterized in that: Both sides of the interior of the bottom plate (1) are slidably connected to a slide groove (13), and the interior of the slide groove (13) is slidably connected to a connecting frame (12).

8. The tightening mechanism for packaging film printing according to claim 4, characterized in that: The fixing rod (28) is slidably connected inside the groove (25).

Images