Automatic kraft paper extrusion forming device

Abstract

The utility model relates to the technical field of paper manufacturing, and particularly discloses an automatic kraft paper extrusion forming device which comprises a rack, the right side in the rack is rotationally connected with an unwinding roller through a bearing seat, the left side of the rack is rotationally connected with a guide roller and a winding roller through a bearing seat, and the winding roller is located above the guide roller. A lower extrusion roller is rotationally connected to the portion, between the guide roller and the unwinding roller, in the rack through a bearing seat, an upper extrusion roller is arranged above the lower extrusion roller, the upper extrusion roller is connected with the rack through a lifting mechanism, and water scraping pieces are arranged at the left end of the lower extrusion roller and the right end of the upper extrusion roller correspondingly. The water scraping piece is used for removing water on the surfaces of the upper extrusion roller and the lower extrusion roller, and an air drying mechanism is arranged in the rack. The water scraping pieces are arranged on the side walls of the upper extrusion roller and the lower extrusion roller, so that residual water on the surfaces of the extrusion rollers can be removed in time, the water is prevented from being transferred to kraft paper, water spots or water marks are prevented from appearing on the surface of paper, and the fiber binding force of the paper is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to paper manufacturing technical field, concretely relates to a kraft paper automatic extrusion forming device. BACKGROUND

[0002] Kraft paper is a kind of high-strength packaging material, usually brown, semi-bleached or fully bleached kraft pulp can present light brown, butter or white. Its basis weight is generally 80~120g / m 2 , the breaking length is usually above 6000m, has excellent tear strength, rupture work and dynamic strength. Kraft paper exists in the form of web or flat sheet, adopts kraft pulp as raw material, is formed on long net paper machine after beating, and is widely applied to cement bag paper, envelope paper, gum sealing paper, asphalt paper, cable protection paper, insulating paper and other fields.

[0003] In the production process of kraft paper, extrusion forming is a key step, wet paper web is extruded by extrusion roller, water is removed and fiber combination is enhanced, so as to improve the strength and smoothness of paper;However, in the prior art, the following problems exist in the extrusion process of the extrusion roller: part of the water is attached to the roller surface, so that the water on the surface of the extrusion roller is transferred to the paper, and the excessive local water may weaken the fiber bonding force and reduce the strength of the paper. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kraft paper automatic extrusion forming device to solve the problem that part of the water is attached to the roller surface in the prior art, so that the water on the surface of the extrusion roller is transferred to the paper, and the excessive local water may weaken the fiber bonding force and reduce the strength of the paper.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kraft paper automatic extrusion forming device, including the frame, the frame inside right side is rotatably connected with unwinding roller through bearing seat, the frame left side is rotatably connected with guide roller and winding roller through bearing seat, the winding roller is located above guide roller, and the frame inside between guide roller and unwinding roller is rotatably connected with lower extrusion roller through bearing seat, the upper extrusion roller is arranged on the upper side of lower extrusion roller, and the upper extrusion roller is connected between the frame through lifting mechanism, the left end of lower extrusion roller and the right end of upper extrusion roller are both provided with water scraping part, the water scraping part is used to remove the water on the surface of upper extrusion roller and lower extrusion roller, the frame inside is provided with air drying mechanism, and the air drying mechanism is used to dry kraft paper after extrusion and the surface of upper extrusion roller and lower extrusion roller.

[0007] Preferably: the lifting mechanism comprises a mounting frame and a hydraulic cylinder, the mounting frame is fixedly connected to the upper end of the inner part of the frame, the hydraulic cylinder is fixedly connected to the upper end of the mounting frame, the output shaft end of the hydraulic cylinder is fixedly connected with a lifting frame, and the lower end of the lifting frame is connected with the upper extrusion roller through a bearing seat shaft.

[0008] Preferably: the wiper comprises a mounting plate and a guide plate, the mounting plate is fixedly connected to the side wall of the bearing seat between the upper extrusion roller and the lower extrusion roller, and the guide plate is fixedly connected to the rear end of the mounting plate.

[0009] Preferably: one end of two groups of the guide plates is fixedly connected with a scraper, and the scraper is in abutment with the side wall of the upper extrusion roller and the lower extrusion roller.

[0010] Preferably: the air drying mechanism comprises a heating cylinder and a blower, the heating cylinder is fixedly connected to the upper end of the frame, the blower is fixedly connected to the upper end of the heating cylinder, the side wall of the heating cylinder is fixedly connected with a first air pipe and a second air pipe, the free end of the second air pipe penetrates into the inner part of the frame, the free end of the second air pipe is fixedly connected with an air outlet head, and the air outlet head is located to the left of the middle of the guide roller and the winding roller.

[0011] Preferably: the free end of the first air pipe penetrates into the inner part of the frame and is located in front of the lower extrusion roller, and the side wall of the first air pipe in the inner part of the frame is fixedly connected with an air outlet pipe, the air outlet pipe is provided with two groups, and is located at the right end of the upper extrusion roller and the lower extrusion roller, respectively.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a wiper is arranged on the side wall of the upper extrusion roller and the lower extrusion roller, can remove the residual moisture on the surface of the extrusion roller in time, avoids the water from being transferred to the kraft paper, prevents the water spot or water mark from appearing on the surface of the paper, and improves the fiber bonding force of the paper.

[0014] 2. The utility model discloses the use of the air drying mechanism further removes the water stain on the surface of the upper extrusion roller and the lower extrusion roller, speeds up the air drying of the kraft paper, avoids the weakening of the fiber bonding force, improves the overall strength of the kraft paper, and meets the demand of high-strength packaging material. DRAWINGS

[0015] Figure 1 It is the whole main view structure schematic diagram of the utility model;

[0016] Figure 2 It is the whole right view cross section structure schematic diagram of the utility model;

[0017] Figure 3 It is the whole back view cross section plane structure schematic diagram of the utility model;

[0018] Figure 4 Figure 1 is a schematic diagram of the overall structure of the wiper of the utility model.

[0019] In the figure: 1, rack; 11, unwinding roller; 12, guide roller; 13, winding roller; 2, lower extrusion roller; 3, wiper; 31, mounting plate; 32, flow guide plate; 33, scraper; 4, lifting mechanism; 41, mounting frame; 42, hydraulic cylinder; 43, lifting frame; 5, air drying mechanism; 51, heating cylinder; 52, air blower; 53, first air pipe; 54, air outlet pipe; 55, second air pipe; 56, air outlet head; 6, upper extrusion roller. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Referring to Figures 1-4 The utility model provides a kind of kraft paper automatic extrusion forming device, including rack 1, unwinding roller 11 is rotatably connected with the inside right side of rack 1 by bearing seat, guide roller 12 and winding roller 13 are rotatably connected with the left side of rack 1 by bearing seat, winding roller 13 is located above guide roller 12, lower extrusion roller 2 is rotatably connected with the inside of rack 1 between guide roller 12 and unwinding roller 11 by bearing seat, upper extrusion roller 6 is arranged above lower extrusion roller 2, upper extrusion roller 6 is connected between rack 1 by lifting mechanism 4, lower extrusion roller 2 left end and upper extrusion roller 6 right end are all provided with wiper 3, wiper 3 is used to remove the water on the surface of upper extrusion roller 6 and lower extrusion roller 2, air drying mechanism 5 is arranged in the inside of rack 1, air drying mechanism 5 is used to dry extruded kraft paper and the surface of upper extrusion roller 6 and lower extrusion roller 2;When working, kraft paper roll material is released by unwinding roller 11, kraft paper is guided into the extrusion area between lower extrusion roller 2 and upper extrusion roller 6 by guide roller 12. Upper extrusion roller 6 is driven by the hydraulic cylinder 42 of lifting mechanism 4, can move up and down to adjust the gap between lower extrusion roller 2, to realize the extrusion forming of kraft paper;During extrusion, wiper 3 is in contact with the side wall of upper extrusion roller 6 and lower extrusion roller 2 by scraper 33, effectively removes the moisture on the roller surface, ensures the cleaning and high efficiency of extrusion process;Extruded kraft paper continues to move to left side, after drying treatment of air drying mechanism 5, to be blown to kraft paper and extrusion roller surface respectively, not only can speed up kraft paper, but also can further dry extrusion roller surface.

[0022] In further embodiments, referring to Figures 1-2The lifting mechanism 4 comprises a mounting frame 41 and a hydraulic cylinder 42. The mounting frame 41 is fixedly connected to the upper end inside the rack 1. The hydraulic cylinder 42 is fixedly connected to the output shaft end of the hydraulic rod. The lifting frame 43 is fixedly connected to the lower end of the lifting frame 43 through the bearing seat shaft. The upper extrusion roller 6 is connected to the upper extrusion roller 6 through the bearing seat and the shaft.

[0023] In this embodiment, the lifting frame 43 is driven to move up and down by the hydraulic cylinder 42, and the upper extrusion roller 6 is driven to move up and down, so as to realize the adjustment of the extrusion gap of the kraft paper. The setting of the hydraulic cylinder 42 provides stable power output, ensuring the stability and accuracy of the lifting process. The upper extrusion roller 6 is connected to the lifting frame 43 through the bearing seat and the shaft, which can flexibly adjust the position during the extrusion process, adapt to kraft paper of different thicknesses, and improve the versatility and production efficiency of the equipment. At the same time, the stability and accuracy of the lifting mechanism 4 ensure the uniform stress of the kraft paper during the extrusion forming process, further improving the product quality.

[0024] In further embodiments, referring to Figure 4 The wiping member 3 comprises a mounting plate 31 and a flow guide plate 32. The mounting plate 31 is fixedly connected to the side wall of the bearing seat between the upper extrusion roller 6 and the lower extrusion roller 2. The flow guide plate 32 is fixedly connected to the rear end of the mounting plate 31. The two groups of flow guide plates 32 are fixedly connected to one end of the adjacent scraping knife 33. The scraping knife 33 is in abutment with the side wall of the upper extrusion roller 6 and the lower extrusion roller 2.

[0025] In this embodiment, the mounting plate 31, the flow guide plate 32 and the scraping knife 33 are matched to effectively remove the moisture on the surface of the upper extrusion roller 6 and the lower extrusion roller 2. The scraping knife 33 is in close abutment with the side wall of the extrusion roller, which can continuously scrape off the moisture on the surface of the roller during the extrusion process, ensuring the cleanliness and efficiency of the extrusion process. The design of the flow guide plate 32 can guide the scraped moisture to the specified position, avoiding the backflow or splashing of the moisture onto the kraft paper, thereby ensuring the quality of the kraft paper and the effect of the extrusion forming. The structure of the wiping member 3 is simple and easy to install, and can effectively improve the operation efficiency of the equipment and the forming quality of the product.

[0026] In further embodiments, referring to Figures 2-3 The air drying mechanism 5 comprises a heating cylinder 51 and a blower 52. The heating cylinder 51 is fixedly connected to the upper end of the rack 1. The blower 52 is fixedly connected to the upper end of the heating cylinder 51. The first air pipe 53 and the second air pipe 55 are fixedly connected to the side wall of the heating cylinder 51. The free end of the second air pipe 55 penetrates into the interior of the rack 1. The free end of the second air pipe 55 is fixedly connected to the air outlet head 56. The air outlet head 56 is located on the left side of the guide roller 12 and the winding roller 13. The free end of the first air pipe 53 penetrates into the interior of the rack 1 and is located in front of the lower extrusion roller 2. The side wall of the first air pipe 53 inside the rack 1 is fixedly connected to the air outlet pipe 54. The air outlet pipe 54 is provided with two groups, which are respectively located at the right end of the upper extrusion roller 6 and the lower extrusion roller 2.

[0027] In this embodiment, by heating the barrel 51 and the cooperation of the blower 52, hot air can be generated and delivered to the designated location; the second air pipe 55 guides the hot air to the area between the guide roller 12 and the winding roller 13 through the air outlet head 56, which is used for drying the extruded kraft paper and ensuring the uniform drying of its surface; the first air pipe 53 blows hot air to the right end of the upper extrusion roller 6 and the lower extrusion roller 2 through the air outlet pipe 54, which further dries the surface of the extrusion roller and avoids the influence of residual moisture on the extrusion effect.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A kraft paper automatic extrusion forming device comprising a frame (1), characterized in that, The right side of the inside of the frame (1) is rotatably connected with the unwinding roller (11) through the bearing seat, the left side of the frame (1) is rotatably connected with the guide roller (12) and the winding roller (13) through the bearing seat, the winding roller (13) is located above the guide roller (12), the inside of the frame (1) between the guide roller (12) and the unwinding roller (11) is rotatably connected with the lower extrusion roller (2) through the bearing seat, the upper extrusion roller (6) is arranged above the lower extrusion roller (2), the upper extrusion roller (6) and the frame (1) are connected through the lifting mechanism (4), the left end of the lower extrusion roller (2) and the right end of the upper extrusion roller (6) are both provided with the water scraping piece (3), the water scraping piece (3) is used for removing water on the surface of the upper extrusion roller (6) and the lower extrusion roller (2), the inside of the frame (1) is provided with the air drying mechanism (5), and the air drying mechanism (5) is used for drying the extruded kraft paper and the surfaces of the upper extrusion roller (6) and the lower extrusion roller (2).

2. The automatic kraft paper extrusion forming device according to claim 1, characterized in that: The lifting mechanism (4) comprises a mounting frame (41) and a hydraulic cylinder (42), the inside of the frame (1) is fixedly connected with the mounting frame (41) at the upper end, the mounting frame (41) is fixedly connected with the hydraulic cylinder at the upper end, the output shaft end of the hydraulic cylinder (42) is fixedly connected with the lifting frame (43), and the lifting frame (43) is rotatably connected with the upper extrusion roller (6) through the bearing seat shaft at the lower end.

3. The automatic kraft paper extrusion forming device according to claim 1, characterized in that: The water scraping piece (3) comprises a mounting plate (31) and a flow guide plate (32), the mounting plate (31) is fixedly connected to the side wall of the bearing seat between the upper extrusion roller (6) and the lower extrusion roller (2), and the rear end of the mounting plate (31) is fixedly connected with the flow guide plate (32).

4. The automatic kraft paper extrusion forming device according to claim 3, characterized in that: One end of two groups of the flow guide plate (32) is fixedly connected with the scraper (33), and the scraper (33) is in abutment with the side wall of the upper extrusion roller (6) and the lower extrusion roller (2).

5. The automatic kraft paper extrusion forming device according to claim 1, characterized in that: The air drying mechanism (5) comprises a heating cylinder (51) and a blower (52), the heating cylinder (51) is fixedly connected to the upper end of the frame (1), the blower (52) is fixedly connected to the upper end of the heating cylinder (51), the side wall of the heating cylinder (51) is fixedly connected with the first air pipe (53) and the second air pipe (55), the free end of the second air pipe (55) penetrates into the inside of the frame (1), the free end of the second air pipe (55) is fixedly connected with the air outlet head (56), and the air outlet head (56) is located on the left side between the guide roller (12) and the winding roller (13).

6. The automatic kraft paper extrusion forming device according to claim 5, characterized in that: The free end of the first air pipe (53) penetrates into the inside of the frame (1) and is located in front of the lower extrusion roller (2), the side wall of the first air pipe (53) in the inside of the frame (1) is fixedly connected with the air outlet pipe (54), the air outlet pipe (54) is provided with two groups, and is located at the right end of the upper extrusion roller (6) and the lower extrusion roller (2) respectively.

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