Automatic code spraying device for soft wrapping film packaging

Abstract

The invention relates to the field of code spraying, in particular to an automatic code spraying device for soft packaging film packaging. The automatic code spraying device for soft packaging film packaging comprises two supporting frames. The lifting assembly and the overturning assembly are arranged at the tops of the two supporting frames; the conveying assembly is arranged between the two supporting frames; wherein a clamping assembly is arranged below the lifting assembly, and a packaging box can be clamped through the clamping assembly; the overturning assembly is located on one side of the lifting assembly, and the lifting assembly can be overturned through the overturning assembly. According to the automatic code spraying device for soft wrapping film packaging, through the automatic lifting assembly, the overturning assembly, the clamping assembly and the sliding assembly, automatic clamping, lifting, overturning, conveying and code spraying operation on the packaging box is achieved, compared with a traditional manual code spraying mode, the device can remarkably improve the production efficiency, and the production cost is reduced. And the manual operation time and labor intensity are reduced.

Description

Technical Field

[0001] The invention relates to the field of coding, and in particular to an automatic coding device for soft film packaging. Background Art

[0002] With the development of materials science and polymer processing technology, the production process of flexible film packaging has been significantly improved. This includes a deeper understanding of material properties and innovations in processing technology, which provide technical support for the development of flexible film packaging coding devices. As consumers' demand for packaging becomes increasingly diversified, flexible film packaging is favored for its flexibility and customizability. The market demand for high-quality and efficient coding technology has promoted the research and development and application of flexible film packaging coding devices. The coding operation can not only provide basic information about the product, but also enhance the appearance of the product and increase consumers' trust. However, the traditional coding method mainly relies on manual labeling or manual coding, which has many problems. First, the speed of manual operation is limited. As the scale of production expands, the limitations of manual operation gradually emerge, making it difficult to achieve efficient coding operations, resulting in low production efficiency. Secondly, the consistency of manual operation is poor, and it is easy to have problems such as inaccurate coding position and blurred handwriting. In addition, the traditional label paper production process may use harmful chemical raw materials, which will pollute the environment and may have a negative impact on the environment and human health during production, use and disposal.

[0003] Therefore, it is necessary to provide a new automatic coding device for soft film packaging to solve the above technical problems. Summary of the invention

[0004] In order to overcome the defects of the prior art, an automatic coding device for soft film packaging is now provided to solve the above problems.

[0005] The automatic inkjet coding device for soft film packaging provided by the present invention comprises: two support frames; a lifting assembly and a flipping assembly arranged on the top of the two support frames, and; a conveying assembly arranged between the two support frames; wherein a clamping assembly is arranged below the lifting assembly, and the packaging box can be clamped by the clamping assembly; the flipping assembly is located on one side of the lifting assembly, and the lifting assembly can be flipped by the flipping assembly; a sliding assembly is arranged on one side of the top of the support frame, and a printer capable of spraying ink is installed on the top of the sliding assembly; the support frame comprises two opposing support rods, the bottom of the two support rods on one side that are relatively close to each other are commonly connected to a bottom rod, and the top of the two support rods on one side that are relatively close to each other are commonly connected to a top rod.

[0006] Preferably, the lifting assembly includes two lifting plates arranged opposite to each other, and the two lifting plates are respectively located at the top of the top rod, guide rods are arranged on both sides of the bottom of the lifting plates, guide holes for the two guide rods to pass through are opened on the top rod, and a first driving member for driving the lifting plates to move up and down is installed at the bottom of the top rod.

[0007] Preferably, the flip assembly includes two oppositely arranged ear shafts, and the bottoms of the two ear shafts are respectively installed on the tops of the lifting plates, the inner sides of the two ear shafts are rotatably connected to transmission rods, the relatively close sides of the two transmission rods are commonly connected to the flip plate, and a second driving member for driving the transmission rod to rotate is installed on one side of one of the lifting plates.

[0008] Preferably, the clamping assembly includes a fixed plate connected to the bottom of the flip plate, and a fixed platform is arranged below the fixed plate, the top of the fixed platform is connected to the bottom of the fixed plate through a plurality of reinforcing plates, both sides of the fixed platform are slidably connected with clamping plates, and protective pads are installed at the bottom of the two clamping plates relatively close to one side, and third driving members for driving the clamping plates to reciprocate are installed on both sides of the top of the fixed platform.

[0009] Preferably, the clamping assembly also includes two guide rails connected to the bottom of the fixed platform, and support platforms are provided on both sides of the bottom of the fixed platform. The two support platforms are slidably connected to the guide rails, and the relatively distant sides of the two support platforms are respectively connected to the clamping plates, and the clamping plates are provided with guide rail holes for the guide rails to pass through.

[0010] Preferably, the sliding assembly includes a support frame connected to the top of one side of two support frames, an electric slide rail is installed on the side of the support frame away from the top of the support frame, an electric slider is installed on the top of the electric slide rail, and the top of the electric slider is connected to the bottom of the inkjet printer.

[0011] Preferably, the conveying assembly includes two oppositely arranged support plates, and the two support plates are located between two support frames, support legs are installed on both sides of the bottom of the two support plates, a conveyor belt is arranged between the two support plates, and a plurality of rollers are arranged in the conveyor belt, one end of each of the rollers is rotatably connected to one of the support plates, the other end of each of the rollers is connected to a rotating shaft, and the end of each of the rotating shafts away from the rollers is rotatably connected to the other support plate.

[0012] Preferably, a first transmission gear is installed on the outer side of each rotating shaft, and the first transmission gear is located on the side close to the roller, and a second transmission gear is installed on the side of each rotating shaft away from the first transmission gear.

[0013] Preferably, a motor support is commonly connected to one side of the bottom of the two support plates, a motor is installed on the top of the motor support, a driving gear is connected to the output end of the motor, and the driving gear is located below one of the first transmission gears, the driving gear is connected to two of the first transmission gears through a first chain, every two adjacent first transmission gears are connected through a second chain, and every two adjacent second transmission gears are connected through a third chain.

[0014] Preferably, a protective cover is provided on the top of the rotating shaft, and the protective cover is connected to the top of one of the supporting plates.

[0015] Compared with the related art, the automatic coding device for soft film packaging provided by the present invention has the following beneficial effects:

[0016] The present invention realizes automatic clamping, lifting, flipping, conveying and coding operations on the packaging box through automated lifting components, flipping components, clamping components and sliding components. Compared with the traditional manual coding method, the device can significantly improve production efficiency and reduce the time and labor intensity of manual operation. At the same time, due to the control and coordinated work of various components, the device can ensure the accurate position of the coding and clear handwriting, thereby improving the quality and consistency of the coding.

[0017] The present invention adopts an inkjet method for coding, which reduces environmental pollution and waste of resources compared to the traditional label paper coding method. The inkjet method does not require the use of label paper, and avoids the environmental pollution caused by chemical raw materials used in the label paper production process, such as water pollution, soil pollution, air pollution, etc. At the same time, the inkjet method also avoids the waste of label paper and saves resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a preferred embodiment of the automatic coding device for flexible film packaging provided by the present invention;

[0019] Figure 2 for Figure 1 The front view of the structure is shown;

[0020] Figure 3 for Figure 1 The schematic diagram of the structure of the left view shown;

[0021] Figure 4 for Figure 1 A schematic structural diagram of the clamping assembly shown;

[0022] Figure 5 for Figure 1 The schematic diagram of the structure of the conveying component is shown.

[0023] Numbers in the figure: 1. support frame; 11. support rod; 12. bottom rod; 13. top rod; 2. lifting plate; 21. guide rod; 3. ear shaft; 31. transmission rod; 32. flip plate; 4. fixed plate; 41. fixed platform; 42. clamping plate; 43. protective pad; 44. guide rail; 45. support table; 5. support frame; 51. electric slide rail; 52. electric slider; 6. support plate; 61. conveyor belt; 62. roller; 63. rotating shaft; 64. first transmission gear; 65. second transmission gear; 66. motor support; 67. motor; 68. driving gear; 69. protective cover. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0026] An embodiment of the present invention provides an automatic inkjet coding device for soft film packaging, which includes: two support frames 1; a lifting assembly and a flipping assembly arranged on the top of the two support frames 1, and a conveying assembly arranged between the two support frames 1; wherein a clamping assembly is arranged below the lifting assembly, and the packaging box can be clamped by the clamping assembly; the flipping assembly is located on one side of the lifting assembly, and the lifting assembly can be flipped by the flipping assembly; a sliding assembly is arranged on one side of the top of the support frame 1, and a printer capable of spraying ink is installed on the top of the sliding assembly; the support frame 1 includes two oppositely arranged support rods 11, and the bottom of the two support rods 11 on one side that is relatively close to each other is commonly connected to a bottom rod 12, and the top of the two support rods 11 on one side that is relatively close to each other is commonly connected to a top rod 13.

[0027] It should be noted that the support frame 1 includes two support rods 11 arranged opposite to each other, and the bottom of the two support rods 11 on one side relatively close to each other is commonly connected to a bottom rod 12, and the top of the two support rods 11 on the side relatively close to each other is commonly connected to a top rod 13. The support frame 1 plays the role of supporting and fixing other components. The lifting component is arranged on the top of the two support frames 1, and is used to control the lifting and lowering of the clamping component for subsequent operations. The flip component: located on one side of the lifting component, is used to flip the lifting component, so as to adjust the angle of the packaging box so that the inkjet printer can perform the inkjet operation. The conveying component is arranged between the two support frames 1, and is used to convey the packaging box. The clamping component is located below the lifting component, and is used to clamp the packaging box to ensure that the packaging box remains stable during the inkjet process. The sliding component is located on one side of the top of the support frame 1, and is used to adjust the position of the inkjet printer so that it can accurately align with the packaging box for inkjet operation. The inkjet printer is installed on the top of the sliding component, and is used to spray ink to form the required inkjet pattern or text on the outer packaging of the packaging box.

[0028] In an embodiment of the present invention, the lifting assembly includes two lifting plates 2 arranged opposite to each other, and the two lifting plates 2 are respectively located at the top of the top rod 13, and guide rods 21 are arranged on both sides of the bottom of the lifting plate 2. The top rod 13 is provided with guide holes for the two guide rods 21 to pass through, and a first driving member for driving the lifting plate 2 to move up and down is installed at the bottom of the top rod 13.

[0029] It should be noted that the lifting assembly includes two lifting plates 2 arranged opposite to each other, which are respectively located on the top of the top rod 13. The lifting plate 2 is used to carry the clamping assembly and drive the clamping assembly to perform lifting and lowering movements. Guide rods 21 are provided on both sides of the bottom of the lifting plate 2, and guide holes for the two guide rods 21 to pass through are provided on the top rod 13. The cooperation between the guide rods 21 and the guide holes can ensure that the lifting plate 2 remains stable during the lifting process and prevent it from deflecting or shaking. A first driving member for driving the lifting plate 2 to move up and down is installed at the bottom of the top rod 13. The first driving member can be in the form of a cylinder, a hydraulic cylinder or an electric push rod, and drives the lifting plate 2 to move up and down through its telescopic movement.

[0030] In an embodiment of the present invention, the flip assembly includes two oppositely arranged ear shafts 3, and the bottoms of the two ear shafts 3 are respectively installed on the tops of the lifting plates 2, the inner sides of the two ear shafts 3 are rotatably connected to the transmission rods 31, and the relatively close sides of the two transmission rods 31 are commonly connected to the flip plate 32, and a second driving member for driving the transmission rod 31 to rotate is installed on one side of one of the lifting plates 2.

[0031] It should be noted that the flip assembly includes two oppositely arranged ear shafts 3, and the bottoms thereof are respectively mounted on the tops of the lifting plates 2. The ear shafts 3 play a supporting and connecting role, so that the transmission rod 31 can rotate around them. The inner sides of the two ear shafts 3 are rotatably connected with the transmission rods 31. One end of the transmission rod 31 is rotatably connected to the ear shaft 3, and the other end is connected to the flip plate 32. The rotation of the transmission rod 31 can drive the flip plate 32 to flip. The flip plate 32 is used to carry the clamping assembly and the packaging box, and flips with the rotation of the transmission rod 31. The second driving member is a gear box, and the gear box is driven by an electric motor. Driven by the second driving member, the transmission rod 31 can rotate around the ear shaft 3, thereby driving the flip plate 32 to flip.

[0032] In an embodiment of the present invention, the clamping assembly includes a fixed plate 4 connected to the bottom of the flip plate 32, and a fixed platform 41 is arranged below the fixed plate 4, the top of the fixed platform 41 is connected to the bottom of the fixed plate 4 through a plurality of reinforcing plates, and the two sides of the fixed platform 41 are slidably connected with the clamping plates 42, and the bottoms of the two clamping plates 42 that are relatively close to one side are installed with protective pads 43, and the third driving members for driving the clamping plates 42 to reciprocate are installed on both sides of the top of the fixed platform 41, and the clamping assembly also includes two guide rails 44 connected to the bottom of the fixed platform 41, and support platforms 45 are arranged on both sides of the bottom of the fixed platform 41, and the two support platforms 45 are slidably connected to the guide rails 44, and the relatively distant sides of the two support platforms 45 are respectively connected to the clamping plates 42, and the clamping plates 42 are provided with guide rail holes for the guide rails 44 to pass through.

[0033] It should be noted that the clamping assembly includes a fixed plate 4 connected to the bottom of the flip plate 32. The fixed plate 4 is used to support and fix the components of other clamping assemblies. A fixed platform 41 is provided below the fixed plate 4, and the top of the fixed platform 41 is connected to the bottom of the fixed plate 4 through a plurality of reinforcing plates. The fixed platform 41 plays the role of supporting the clamping plate 42. The clamping plates 42 are slidably connected to both sides of the fixed platform 41. The clamping plates 42 are used to clamp the packaging box to keep it stable during the coding process. The bottoms of the two clamping plates 42 relatively close to one side are both installed with protective pads 43 to protect the packaging box from being clamped. A third driving member for driving the clamping plate 42 to move back and forth is installed on both sides of the top of the fixed platform 41. The third driving member can be in the form of a cylinder, a hydraulic cylinder or an electric push rod, and drives the clamping plate 42 to clamp and release through its telescopic movement. The clamping assembly also includes two guide rails 44 connected to the bottom of the fixed platform 41. The guide rail 44 is used to guide the movement of the clamping plate 42 to ensure that it remains stable during the clamping and loosening process. Support platforms 45 are provided on both sides of the bottom of the fixed platform 41, and the two support platforms 45 are slidably connected to the guide rails 44. The support platforms 45 are used to support the clamping plate 42 and enable it to slide along the guide rails 44. The clamping plate 42 is provided with a guide rail hole for the guide rail 44 to pass through. The cooperation of the guide rail hole and the guide rail 44 can ensure that the clamping plate 42 remains stable during the movement and prevents it from deflecting or shaking. Driven by the third driving member, the clamping plate 42 can slide on the support platform 45 along the guide rail 44, thereby achieving the clamping and loosening of the packaging box.

[0034] In an embodiment of the present invention, the sliding assembly includes a support frame 5 connected to the top of one side of two support frames 1, an electric slide rail 51 is installed on the side of the support frame 5 away from the top of the support frame 1, an electric slider 52 is installed on the top of the electric slide rail 51, and the top of the electric slider 52 is connected to the bottom of the inkjet printer.

[0035] It should be noted that the sliding assembly includes a support frame 5 that is connected to the top of one side of the two support frames 1. The support frame 5 serves to support and fix the electric slide rail 51. The electric slide rail 51 is installed on the side of the support frame 5 away from the top of the support frame 1, and the electric slider 52 is installed on the top of the electric slide rail 51. The electric slider 52 is used in conjunction with the electric slide rail 51 and can perform linear motion on the electric slide rail 51. The top of the electric slider 52 is connected to the bottom of the inkjet printer. By moving the electric slider 52 on the electric slide rail 51, the inkjet printer can be driven to move horizontally, thereby adjusting the position of the inkjet printer so that it can accurately align with the packaging box for inkjet printing. Through the use of the electric slide rail 51 and the electric slider 52, the sliding assembly can achieve horizontal movement of the inkjet printer, thereby adjusting the position of the inkjet printer.

[0036] In an embodiment of the present invention, the conveying assembly includes two support plates 6 arranged opposite to each other, and the two support plates 6 are located between the two support frames 1, support legs are installed on both sides of the bottom of the two support plates 6, a conveyor belt 61 is arranged between the two support plates 6, and a plurality of rollers 62 are arranged in the conveyor belt 61, one end of each roller 62 is rotatably connected to one of the support plates 6, the other end of each roller 62 is connected to a rotating shaft 63, and the end of each rotating shaft 63 away from the roller 62 is rotatably connected to the other support plate 6, and a first transmission gear 64 is installed on the outer side of each rotating shaft 63, and the first transmission gear 64 is located on the side close to the roller 62, and each rotating shaft 63 is away from the first transmission gear 64. A second transmission gear 65 is installed on one side of the transmission gear 64, and a motor support 66 is commonly connected to one side of the bottom of the two support plates 6. A motor 67 is installed on the top of the motor support 66. The output end of the motor 67 is connected to a driving gear 68, and the driving gear 68 is located below one of the first transmission gears 64. The driving gear 68 is connected to two of the first transmission gears 64 through a first chain, and every two adjacent first transmission gears 64 are connected through a second chain. Every two adjacent second transmission gears 65 are connected through a third chain. A protective cover 69 is provided on the top of the rotating shaft 63, and the protective cover 69 is connected to the top of one of the support plates 6.

[0037] It should be noted that the conveying assembly includes two support plates 6 arranged opposite to each other, which are located between the two support frames 1. The support plate 6 is used to support and fix the components of other conveying assemblies. Support legs are installed on both sides of the bottom of the two support plates 6 to support the entire conveying assembly and keep it stable. A conveyor belt 61 is arranged between the two support plates 6. The conveyor belt 61 is used to carry and convey the packaging box so that it can be sprayed by the coding device. A plurality of rollers 62 are arranged in the conveyor belt 61. The rollers 62 are used to support the conveyor belt 61 and enable it to rotate, thereby realizing the transportation of the packaging box. One end of each roller 62 is rotatably connected to one of the support plates 6, and the other end is connected to a rotating shaft 63. The rotating shaft 63 is used to transmit power so that the roller 62 can rotate. A first transmission gear 64 and a second transmission gear 65 are installed on the outer side of each rotating shaft 63. The first transmission gear 64 and the second transmission gear 65 are used to transmit power so that multiple rollers 62 can rotate synchronously. The bottom side of the two support plates 6 is connected with a motor support 66, and the top of the motor support 66 is equipped with a motor 67. The motor 67 is used to provide power to drive the entire conveying assembly to operate. The output end of the motor 67 is connected with a driving gear 68. The driving gear 68 is used to transmit the power of the motor 67 to the first transmission gear 64. The driving gear 68 is connected to two of the first transmission gears 64 through a first chain, and each two adjacent first transmission gears 64 are connected to each other through a second chain, and each two adjacent second transmission gears 65 are connected to each other through a third chain. The chain is used to transmit power so that the multiple rollers 62 can rotate synchronously. A protective cover 69 is provided on the top of the rotating shaft 63 and is connected to the top of one of the support plates 6. The protective cover 69 is used to protect the rotating shaft 63 and the chain to prevent foreign objects from entering and affecting normal operation. Driven by the motor 67, the driving gear 68 drives the first chain to rotate, and then drives the first transmission gear 64 and the second transmission gear 65 to rotate, so that the multiple rollers 62 rotate synchronously, thereby realizing the operation of the conveyor belt 61.

[0038] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0039] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An automatic coding device for soft film packaging, characterized in that: include: Two support frames (1); A lifting assembly and a turning assembly arranged on the top of the two support frames (1), and; A conveying assembly arranged between two support frames (1); Wherein, a clamping assembly is arranged below the lifting assembly, and the packaging box can be clamped by the clamping assembly; The flip assembly is located on one side of the lifting assembly, and the lifting assembly can be flipped by the flip assembly; A sliding assembly is arranged on one side of the top of the support frame (1), and a printer capable of spraying ink is installed on the top of the sliding assembly; The support frame (1) comprises two support rods (11) arranged opposite to each other, wherein the bottoms of the two support rods (11) on one side relatively close to each other are commonly connected to a bottom rod (12), and the tops of the two support rods (11) on one side relatively close to each other are commonly connected to a top rod (13).

2. The automatic coding device for soft film packaging according to claim 1 is characterized in that: The lifting assembly comprises two lifting plates (2) arranged opposite to each other, and the two lifting plates (2) are respectively located at the top of a push rod (13), guide rods (21) are arranged on both sides of the bottom of the lifting plates (2), the push rod (13) is provided with guide holes for the two guide rods (21) to pass through, and a first driving member for driving the lifting plates (2) to move up and down is installed at the bottom of the push rod (13).

3. The automatic coding device for soft film packaging according to claim 2 is characterized in that: The flip assembly comprises two ear shafts (3) arranged opposite to each other, and the bottoms of the two ear shafts (3) are respectively mounted on the tops of the lifting plates (2), the inner sides of the two ear shafts (3) are rotatably connected to transmission rods (31), the relatively close sides of the two transmission rods (31) are commonly connected to a flip plate (32), and a second driving member for driving the transmission rod (31) to rotate is mounted on one side of one of the lifting plates (2).

4. The automatic coding device for soft film packaging according to claim 3 is characterized in that: The clamping assembly comprises a fixed plate (4) connected to the bottom of the flip plate (32), and a fixed platform (41) is arranged below the fixed plate (4), the top of the fixed platform (41) is connected to the bottom of the fixed plate (4) through a plurality of reinforcing plates, both sides of the fixed platform (41) are slidably connected with clamping plates (42), the bottoms of the two clamping plates (42) relatively close to one side are both installed with protective pads (43), and third driving members for driving the clamping plates (42) to reciprocate are installed on both sides of the top of the fixed platform (41).

5. The automatic coding device for soft film packaging according to claim 4 is characterized in that: The clamping assembly also includes two guide rails (44) connected to the bottom of the fixed platform (41), and support platforms (45) are arranged on both sides of the bottom of the fixed platform (41). The two support platforms (45) are slidably connected to the guide rails (44), and the relatively distant sides of the two support platforms (45) are respectively connected to the clamping plate (42), and the clamping plate (42) is provided with guide rail holes for the guide rails (44) to pass through.

6. The automatic coding device for soft film packaging according to claim 5 is characterized in that: The sliding assembly comprises a support frame (5) connected to the top of one side of two support frames (1); an electric slide rail (51) is installed on the side of the support frame (5) away from the top of the support frame (1); an electric slider (52) is installed on the top of the electric slide rail (51); and the top of the electric slider (52) is connected to the bottom of the inkjet printer.

7. The automatic coding device for soft film packaging according to claim 6 is characterized in that: The conveying assembly comprises two support plates (6) arranged opposite to each other, and the two support plates (6) are both located between the two support frames (1), support legs are installed on both sides of the bottom of the two support plates (6), a conveyor belt (61) is arranged between the two support plates (6), a plurality of rollers (62) are arranged in the conveyor belt (61), one end of each of the rollers (62) is rotatably connected to one of the support plates (6), the other end of each of the rollers (62) is connected to a rotating shaft (63), and the end of each of the rotating shafts (63) away from the rollers (62) is rotatably connected to the other support plate (6).

8. The automatic coding device for soft film packaging according to claim 7 is characterized in that: A first transmission gear (64) is installed on the outer side of each rotating shaft (63), and the first transmission gear (64) is located on the side close to the roller (62), and a second transmission gear (65) is installed on the side of each rotating shaft (63) away from the first transmission gear (64).

9. The automatic coding device for flexible film packaging according to claim 8, characterized in that: A motor support (66) is commonly connected to one side of the bottom of the two support plates (6), a motor (67) is installed on the top of the motor support (66), an output end of the motor (67) is connected to a driving gear (68), and the driving gear (68) is located below one of the first transmission gears (64), the driving gear (68) is transmission-connected to two of the first transmission gears (64) through a first chain, every two adjacent first transmission gears (64) are transmission-connected through a second chain, and every two adjacent second transmission gears (65) are transmission-connected through a third chain.

10. The automatic coding device for soft film packaging according to claim 9, characterized in that: A protective cover (69) is provided on the top of the rotating shaft (63), and the protective cover (69) is connected to the top of one of the supporting plates (6).

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