Traction printing device of film blowing machine

Abstract

The utility model discloses a traction printing device of a film blowing machine, and belongs to the technical field of film blowing machines. The device comprises a machine frame, a propeller strut in the machine frame, a traction counter-compression roller set arranged over the propeller strut and a printing roller set arranged on the side face of the propeller strut. The traction counter-pressing roller set and the printing roller set are each composed of a fixed roller, a movable roller and a driving mechanism for driving the movable roller to be close to or away from the fixed roller. And by arranging the traction counter-compression roller set, the film can be effectively flattened and shaped, the problems of wrinkles and uneven thickness are reduced, and the product quality is improved. The printing roller set and the traction counter-compression roller set are integrated and tightly matched, and it is guaranteed that printing is accurate and uniform. The driving mechanism can flexibly adjust the roller distance to adapt to films with different thicknesses, and the equipment universality and the production flexibility are enhanced. In addition, the device optimizes the equipment layout, reduces the occupied area, reduces the risk of production failure, and has important application value in film production.

Description

TECHNICAL FIELD

[0001] The utility model relates to a film blowing machine technology field, concretely is a film blowing machine traction printing device. BACKGROUND

[0002] The film blowing machine is the key equipment in the plastic film production process, and is widely used in packaging, agriculture, industry and many other fields. In the production process of the film blowing machine, the traction and printing of the film are important links, which directly affect the quality and appearance effect of the film.

[0003] The traditional film blowing machine traction device has a single function, and mostly can only realize simple traction operation. For example, the traction auxiliary machine structure for the film blowing machine disclosed in the application number CN2019215548873, such devices are often difficult to efficiently flatten and accurately shape the film. Therefore, during the subsequent processing and actual use of the film, wrinkles, uneven thickness distribution and other conditions are prone to occur, which seriously affects the quality and performance of the product, and reduces the competitiveness of the product in the market.

[0004] In addition, in some film blowing production involving printing, the printing device and the traction device are separately arranged, and are independent of each other, and cannot closely cooperate, so that the printing quality cannot reach the ideal state. Moreover, due to the inability to flexibly adjust the equipment to adapt to films of different thicknesses, the production capacity of the film blowing machine for diversified products is limited. Therefore, it has become an urgent problem in the field to develop a film blowing machine traction printing device that can overcome the above-mentioned defects. SUMMARY

[0005] The utility model provides a film blowing machine traction printing device aiming at the deficiency in the background art.

[0006] The technical scheme adopted by the utility model is: a film blowing machine traction printing device, comprising a rack and a herringbone frame in the rack, further comprising a traction pair of compression rollers arranged directly above the herringbone frame and a printing roller group arranged on the side of the traction pair of compression rollers.

[0007] The traction pair of compression rollers and the printing roller group each comprise a fixed roller, a movable roller, and a driving mechanism for driving the movable roller to approach or move away from the fixed roller.

[0008] Further, the driving mechanism comprises a driving cylinder fixed on the rack and a bearing seat connected with the output end of the driving cylinder, and the movable roller is rotatably connected with the bearing seat at both ends.

[0009] Further, the rack on the upper and lower sides of the bearing seat is fixed with a guide plate through a fixing rod, and the upper and lower sides of the bearing seat are provided with guide grooves in sliding cooperation with the guide plate.

[0010] Further, the fixed roller and the movable roller of the traction pair of compression roller group are rubber rollers, the fixed roller of the printing roller group is an embossing roller, and the movable roller of the printing roller group is a rubber roller.

[0011] Further, the herringbone frame is provided with a hemming device.

[0012] Further, the hemming device comprises a horizontal rod fixed at both ends of the herringbone frame, a vertical rod connected to the horizontal rod through an adjusting block, and a hemming plate connected to the vertical rod, and the adjusting block is connected to the horizontal rod and the vertical rod through a star wheel jackscrew.

[0013] The herringbone frame has the advantages that:

[0014] 1. Optimizing the film processing effect: the traction pair of compression roller group arranged above the herringbone frame can effectively flatten and shape the film, greatly reducing the problems of wrinkles and uneven thickness of the film in the subsequent processing and use process, thereby significantly improving the quality and performance of the product and enhancing the competitiveness of the product in the market.

[0015] 2. Improving the printing quality: the printing roller group is integrated on one side of the traction pair of compression roller group, so that the printing device and the traction device are closely matched. This ensures that the printing can be more accurately and uniformly applied to the film during the traction of the film, effectively avoiding the problem of poor printing quality caused by loose device cooperation, and providing a strong guarantee for producing high-quality printed films.

[0016] 3. Enhancing the applicability of the equipment: the traction pair of compression roller group and the printing roller group are both provided with a driving mechanism for driving the movable roller to approach or move away from the fixed roller. Through the driving mechanism, the gap between the movable roller and the fixed roller can be flexibly adjusted. This feature makes the equipment easily adapt to films of different thicknesses, significantly improves the versatility and production flexibility of the film blowing machine, meets the diversified production needs, and reduces the cost of replacing equipment to adapt to different products.

[0017] In addition to the purposes, features and advantages described above, the present utility model has other purposes, features and advantages. The present utility model will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure of the present utility model is shown in the figure.

[0019] Figure 2 The structure of the herringbone frame is shown in the figure. Figure 1 The structure of the herringbone frame is shown in the figure.

[0020] Figure 3 The structure of the herringbone frame is shown in the figure.

[0021] Figures 1-3The utility model provides a kind of film blowing machine traction printing device. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0024] The utility model provides a kind of film blowing machine traction printing device.

[0025] In the present embodiment, with reference to Figures 1-3 The film blowing machine traction printing device includes a rack 1 and a herringbone frame 2 inside the rack 1, and also includes a traction pair of compression rollers 3 arranged directly above the herringbone frame 2 and a printing roller group 4 arranged on the side of the traction pair of compression rollers 3.

[0026] The traction pair of compression rollers 3 and the printing roller group 4 each include a fixed roller 5, a movable roller 6, and a driving mechanism for driving the movable roller to approach or move away from the fixed roller.

[0027] In the above technical solution, based on the rack and herringbone frame of the traditional film blowing machine, a traction pair of compression rollers and a printing roller group are added to realize the integration of film traction and printing functions. This integrated design not only simplifies the equipment layout and reduces the equipment floor space, but also reduces the risk of production failure caused by improper connection of multiple independent devices. Moreover, the printing device and the traction device are integrated on the rack, achieving close cooperation. This ensures that the printing can be applied more accurately and uniformly to the film during the traction process, effectively avoiding the problem of poor printing quality caused by loose device cooperation, and providing a strong guarantee for producing high-quality printed films.

[0028] In addition, the printing roller set and the traction pair of compression roller set each include a fixed roller, a movable roller, and a driving mechanism for driving the movable roller to approach or move away from the fixed roller, and the spacing between the fixed roller and the movable roller is adjusted by the driving of the driving mechanism, thereby providing a hardware basis for processing films of different thicknesses and greatly improving the versatility and production flexibility of the equipment.

[0029] Specifically, the driving mechanism includes a driving cylinder 7 fixed on the frame and a bearing seat 8 connected with the output end of the driving cylinder 7, and the movable roller is rotatably connected with the bearing seat at both ends.

[0030] In this embodiment, the driving mechanism adopts a combination of a driving cylinder and a bearing seat, the driving cylinder can provide stable and controllable driving force, and the movable roller can be precisely controlled to approach or move away from the fixed roller. The design of the bearing seat enables the movable roller to maintain good rotational stability during movement, ensuring that the movable roller can uniformly contact the fixed roller at different positions, thereby ensuring consistent compression effect on the film and improving the quality stability of the film processing.

[0031] Specifically, the frame on the upper and lower sides of the bearing seat 8 is fixed with a guide plate 10 through a fixing rod 9, and the upper and lower sides of the bearing seat 8 are provided with guide grooves 11 that slidably cooperate with the guide plate 10.

[0032] In this embodiment, the sliding cooperation structure of the guide plate and the guide groove is arranged on the upper and lower sides of the bearing seat, which provides accurate guidance for the movement of the bearing seat. This structure can effectively prevent the bearing seat from shifting or shaking during movement, further ensuring the parallelism and gap uniformity between the movable roller and the fixed roller. Regardless of the working state, the film can be uniformly pressed to avoid film quality problems caused by uneven pressure, such as local wrinkles or thickness differences.

[0033] Specifically, the fixed roller and the movable roller of the traction pair of compression roller set are rubber rollers, and the fixed roller of the printing roller set is an embossing roller, and the movable roller of the printing roller set is a rubber roller.

[0034] In this embodiment, the fixed roller and the movable roller of the traction pair of compression roller set are rubber rollers, which have good elasticity and flexibility and can better adhere to the surface of the film without damaging the film, thereby achieving smooth traction and efficient leveling of the film. The fixed roller of the printing roller set is an embossing roller, and the movable roller is a rubber roller. This combination enables the pattern on the embossing roller to be clearly and accurately transferred to the film during printing, and the elasticity of the rubber roller ensures uniform distribution of the printing pressure, thereby improving the clarity and quality of the printing.

[0035] Specifically, the herringbone frame is provided with an edge inserter.

[0036] In the embodiment, the edge inserter is arranged in the herringbone frame, the film edge in the film blowing process can be arranged and folded, the film edge is more neat and standard, which is helpful for subsequent processing procedures, such as bag making and sealing, improves the processing precision of the film and the overall aesthetic degree of the product, and reduces the processing waste rate caused by the unneat film edge.

[0037] Specifically, the edge inserter comprises a horizontal rod 12 fixed at two ends of the herringbone frame, a vertical rod 14 connected to the horizontal rod 12 through an adjusting block 13, and an edge insertion plate 15 connected to the vertical rod 14, and the adjusting block is connected to the horizontal rod and the vertical rod through a plum blossom wheel jackscrew 16.

[0038] In the embodiment, the edge inserter adopts the horizontal rod, the vertical rod and the edge insertion plate, and the horizontal rod and the vertical rod are connected through the adjusting block and the plum blossom wheel jackscrew, which has high adjustability. The operator can conveniently and quickly adjust the position of the edge insertion plate according to the width of the film and the production process requirement, so as to realize the edge insertion operation of different specifications of the film, enhance the universality and adaptability of the edge inserter, and meet diversified production requirements.

[0039] Skilled persons should know that although the utility model has been described according to the above specific embodiments, the utility model idea is not limited to the utility model, and any modification using the utility model idea will be included in the patent protection range.

Claims

1. A print-puller device for a blown film machine comprising a frame and a herringbone frame within the frame, characterized in that: The traction counter-roller set is arranged above the herringbone frame, and the printing roller set is arranged at the side of the traction counter-roller set. The traction counter-roller set and the printing roller set each comprise a fixed roller, a movable roller and a driving mechanism for driving the movable roller to approach or move away from the fixed roller.

2. The print unit according to claim 1, wherein: The driving mechanism comprises a driving cylinder fixed on the frame and a bearing seat connected with the output end of the driving cylinder, and the movable roller is rotatably connected with the bearing seat at both ends.

3. The blown film machine haul-off printing apparatus of claim 2, wherein: The frame on the upper and lower sides of the bearing seat is fixed with a guide plate through a fixing rod, and the upper and lower sides of the bearing seat are provided with guide grooves in sliding fit with the guide plate.

4. The printing device according to any one of claims 1 to 3, wherein: The fixed roller and the movable roller of the traction counter-roller set are rubber rollers, the fixed roller of the printing roller set is an embossing roller, and the movable roller of the printing roller set is a rubber roller.

5. The print register assembly of claim 1, wherein: An edge inserting device is arranged in the herringbone frame.

6. The blown film machine haul-off printing apparatus of claim 5, wherein: The edge inserting device comprises a horizontal rod fixed at both ends on the herringbone frame, a vertical rod connected with the horizontal rod through an adjusting block, and an edge inserting plate connected with the vertical rod, and the adjusting block is connected with the horizontal rod and the vertical rod through a star wheel jackscrew.

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