Paper pretreatment equipment for printing machine

Abstract

The utility model discloses paper pretreatment equipment for a printing machine, and relates to the technical field of paper pretreatment for the printing machine. The conveying assembly comprises a side plate fixed to the side face of a base, a positioning bearing seat arranged on the outer side face of the end of the side plate, and a guide roller movably connected with the positioning bearing seat through a shaft rod. The hot pressing assembly comprises a bottom plate fixed to the end of the upper side face of the base, a support fixed to the upper side face of the bottom plate, a fixed bearing seat fixed to the bottom of the support, a movable bearing seat movably arranged in the support in a lifting mode, an air cylinder fixed to the top of the support and a transmission roller movably arranged in the fixed bearing seat. And the heating compression roller is movably arranged in the movable bearing seat. According to the utility model, the guide roller is matched with the limiting roller, so that a stable path of paper in the conveying process is ensured; and the heating compression roller can be lifted and adjusted according to requirements, so that efficient and uniform hot pressing treatment is realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of paper pretreatment for printing presses, and particularly relates to a paper pretreatment device for a printing press. Background Art

[0002] When printing large-format papers, it is necessary to stack the papers neatly to ensure the printing quality. However, during the process of transporting and transferring the papers, since the number of papers is large and they are stacked together, it is extremely easy to cause the papers to fold, and some papers will have wrinkles. The wrinkled papers will cause unclear printing, resulting in the need for secondary printing, increasing the printing cost, and seriously reducing the printing efficiency.

[0003] Regarding the pretreatment technology before paper printing, there is a publicly disclosed patent (publication number: CN 118003764A) for a paper pretreatment device for a printing press. During the process of transporting and transferring the papers, it is easy to cause the papers to wrinkle and the stacked papers are extremely easy to get damp, reducing the printing quality. The technical solution is as follows: A paper pretreatment device for a printing press includes a workbench, a fixed frame, a sealing cover, a driving member, an extrusion column, a drying component, etc.; a fixed frame is installed on the workbench; several driving members are fixedly connected to the lower side of the fixed frame; the output shafts of all the driving members are commonly fixedly connected to a sealing cover; an extrusion column is installed on the sealing cover, and the part of the extrusion column located between the workbench and the sealing cover is made of airbag material; the damp papers are dried through the heat-conducting airbag, so as to prevent the damp papers from damaging the printing device during subsequent printing, and at the same time avoid poor printing effects.

[0004] The above device has a complex structure composition and low pretreatment efficiency. Therefore, we provide a paper pretreatment device for a printing press to solve the above problems. Content of the Utility Model

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model provides a paper pretreatment device for a printing press, which includes a conveying component arranged on the upper part of a base and a hot pressing component for paper pretreatment. The conveying component includes side plates fixed to the side of the base, positioning bearing seats arranged on the outer side of the end of the side plates, and guide rollers movably connected to the positioning bearing seats through shaft rods;

[0007] The hot pressing component includes a bottom plate fixed to the upper side end of the base, a support fixed to the upper side of the bottom plate, a fixed bearing seat fixed to the bottom of the support, a movable bearing seat arranged in a lifting and movable manner inside the support, a cylinder fixed to the top of the support, a transmission roller movably arranged inside the fixed bearing seat, and a heating pressing roller movably arranged inside the movable bearing seat.

[0008] The present utility model is further configured such that a reinforcing rod is connected between the upper ends of the supports, and the reinforcing rod is arranged parallel to the heating pressure roller above the heating pressure roller.

[0009] The present utility model is further configured such that the piston end of the cylinder penetrates through the top of the support to be connected to the movable bearing seat, and the side of the movable bearing seat is adapted to the inner sliding groove of the support.

[0010] The present utility model is further configured such that a limiting assembly is arranged inside the side plate. The limiting assembly includes a bracket arranged parallel to the inside of the side plate, a limiting roller movably arranged inside the bracket, a receiving member fixed to the bottom of the bracket, a guide block fixed to the bottom of the receiving member, and a guide rail for guiding the linear movement of the guide block.

[0011] The present utility model is further configured such that the guide rail is fixed to the upper side of the base, and the guide rail and the guide block are electromagnetically connected.

[0012] The present utility model is further configured such that the limiting rollers on the same side are distributed in a fan shape.

[0013] The present utility model is further configured such that an installation groove is recessed in the edge of the base, and the base is fixed to the outer installation surface through fasteners.

[0014] The present utility model is further configured such that the guide rollers are arranged in parallel with a fixed trajectory, and the paper roll is threaded between adjacent guide rollers.

[0015] The present utility model has the following beneficial effects:

[0016] Through the cooperation of the guide rollers and the limiting rollers, the present utility model ensures that the paper maintains a stable path during transportation, avoiding deviation or misalignment; the heating pressure roller can be adjusted up and down as needed to adapt to papers of different sizes and thicknesses, realizing efficient and uniform hot pressing treatment; the limiting assembly can be automatically adjusted according to the width and position of the paper to adapt to papers of different specifications, improving the versatility and flexibility of the equipment; at the same time, the equipment has a compact structure, firm connections between components, and is easy to install and maintain.

[0017] Of course, it is not necessary for any product implementing the present utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for describing the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1Schematic diagram of one end of the overall structure of the present utility model.

[0020] Figure 2 Schematic diagram of the other end of the overall structure of the present utility model.

[0021] Figure 3 Schematic diagram of the structure of the limit component in the present utility model.

[0022] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0023] 1. Base; 2. Conveyor assembly; 21. Side plate; 22. Positioning bearing seat; 23. Shaft rod; 24. Guide roller; 3. Limit assembly; 31. Limit roller; 32. Bracket; 33. Bearing member; 34. Guide rail; 35. Guide block; 4. Hot pressing assembly; 41. Support; 42. Fixed bearing seat; 43. Movable bearing seat; 44. Cylinder; 45. Reinforcing rod; 46. Driving roller; 47. Bottom plate; 48. Heating pressing roller. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment

[0026] Please refer to Figures 1-3 , the present utility model is a paper pretreatment device for a printing machine, including a conveyor assembly 2 arranged on the upper part of the base 1 and a hot pressing assembly 4 for paper pretreatment. The conveyor assembly 2 includes a side plate 21 fixed to the side of the base 1, a positioning bearing seat 22 arranged on the outer side of the end of the side plate 21, and a guide roller 24 movably connected to the positioning bearing seat 22 through a shaft rod 23; the hot pressing assembly 4 includes a bottom plate 47 fixed to the upper side end of the base 1, a support 41 fixed to the upper side of the bottom plate 47, a fixed bearing seat 42 fixed to the bottom of the support 41, a movable bearing seat 43 arranged to move up and down inside the support 41, a cylinder 44 fixed to the top of the support 41, a driving roller 46 movably arranged inside the fixed bearing seat 42, and a heating pressing roller 48 movably arranged inside the movable bearing seat 43.

[0027] Further explanations are as follows:

[0028] The base 1 is the support foundation of the entire device, having a stable structure and being used to carry the conveyor assembly 2, the hot pressing assembly 4 and other related components;

[0029] The side plate 21 in the conveying assembly 2 is fixed to the side of the base 1, playing a role in support and connection; the positioning bearing seat 22 is arranged on the outer side of the end of the side plate 21, used for fixing and supporting the guiding roller 24; the guiding roller 24 is movably connected to the positioning bearing seat 22 through the shaft rod 23, used for guiding and conveying the paper, ensuring that the paper maintains a stable path during the conveying process.

[0030] The bottom plate 47 in the hot pressing assembly 4 is fixed to the end of the upper side of the base 1, providing a stable installation platform; the support 41 is fixed to the upper side of the bottom plate 47, serving as the main support structure of the hot pressing assembly 4, and the alignment structure is strengthened through the reinforcing rod 45; the fixed bearing seat 42 is fixed to the bottom of the support 41, used for installing the driving roller 46; the movable bearing seat 43 is arranged in the support 41 in a lifting and movable manner, and can adjust the height of the heating pressing roller 48 as needed; the cylinder 44 is fixed to the top of the support 41, and its piston end passes through the top of the support 41 and is connected to the movable bearing seat 43, used for driving the movable bearing seat 43 (and the heating pressing roller 48) to perform lifting motion; the driving roller 46 is movably arranged inside the fixed bearing seat 42, used for cooperating with the heating pressing roller 48 to convey and pre-treat the paper; the heating pressing roller 48 is movably arranged inside the movable bearing seat 43, and is lifted through the driving of the cylinder 44, used for performing hot pressing pre-treatment on the paper.

[0031] The bracket 32 in the limiting assembly 3 is arranged in parallel with the inner side of the side plate 21, used for supporting the limiting roller 31 and other related components; the limiting roller 31 is movably arranged inside the bracket 32, used for limiting the position of the paper during the conveying process, ensuring that the paper passes through the conveying assembly 2 and the hot pressing assembly 4 stably and accurately; the receiving part 33 is fixed to the bottom of the bracket 32, used for connecting the guide block 35 and the bracket 32; the guide block 35 is fixed to the bottom of the receiving part 33, and is matched with the guide rail 34, used for controlling the position of the limiting roller 31; the guide rail 34 is fixed to the upper side of the base 1, and is electromagnetically connected to the guide block 35, used for controlling the linear movement of the guide block 35 (and the limiting roller 31).

[0032] The working principle of this device is to smoothly convey the paper to the hot pressing component 4 through the conveying component 2, and then output it after the hot pressing pretreatment by the heating press roller 48; during this process, the limiting component 3 ensures that the paper passes through the hot pressing component 4 stably, avoiding deviation or misalignment, and the paper is smoothly introduced into the conveying path through the guiding roller 24; when the paper reaches the hot pressing component 4, the cylinder 44 drives the heating press roller 48 to descend for hot pressing pretreatment of the paper; at the same time, the limiting roller 31 in the limiting component 3 adjusts its own position according to the width and position of the paper to ensure that the paper passes through the hot pressing component 4 stably. Through the cooperation of the guiding roller 24 and the limiting roller 31, it is ensured that the paper maintains a stable path during the conveying process, avoiding deviation or misalignment; the heating press roller 48 can be adjusted up and down as needed to adapt to papers of different sizes and thicknesses, realizing efficient and uniform hot pressing treatment; the limiting component 3 can be automatically adjusted according to the width and position of the paper to adapt to papers of different specifications, improving the versatility and flexibility of the device; at the same time, the device has a compact structure, firm connections between components, and is easy to install and maintain.

[0033] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0034] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present utility model, so that those skilled in the art in the relevant technical field can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A paper pretreatment device for a printing press, comprising a conveying assembly (2) arranged on the upper part of a base (1), and a hot pressing assembly (4) for paper pretreatment, characterized in that: The conveying assembly (2) comprises a side plate (21) fixed to the side of the base (1), a positioning bearing seat (22) arranged on the outer side of the end of the side plate (21), and a guide roller (24) movably connected to the positioning bearing seat (22) via a shaft (23); The hot pressing assembly (4) comprises a bottom plate (47) fixed to the upper side end of the base (1), a support (41) fixed to the upper side of the bottom plate (47), a fixed bearing seat (42) fixed to the bottom of the support (41), a movable bearing seat (43) movably arranged inside the support (41), a cylinder (44) fixed to the top of the support (41), a transmission roller (46) movably arranged inside the fixed bearing seat (42), and a heating pressing roller (48) movably arranged inside the movable bearing seat (43).

2. The paper pretreatment device for a printing press according to claim 1, characterized in that: A reinforcing rod (45) is connected between the upper ends of the supports (41), and the reinforcing rod (45) is arranged parallel to the top of the heating and pressing roller (48).

3. The paper pretreatment device for a printing press according to claim 1, characterized in that: The piston end of the cylinder (44) passes through the top of the support (41) and is connected to the movable bearing seat (43), and the side of the movable bearing seat (43) is adapted to the inner sliding groove of the support (41).

4. The paper pretreatment device for a printing press according to claim 1, characterized in that: A limiting assembly (3) is arranged on the inner side of the side plate (21), and the limiting assembly (3) comprises a bracket (32) arranged parallel to the inner side of the side plate (21), a limiting roller (31) movably arranged in the bracket (32), a receiving member (33) fixed to the bottom of the bracket (32), a guide block (35) fixed to the bottom of the receiving member (33), and a guide rail (34) for guiding the linear movement of the guide block (35).

5. The paper pretreatment device for a printing press according to claim 4, characterized in that: The guide rail (34) is fixed to the upper side of the base (1), and the guide rail (34) and the guide block (35) are electromagnetically connected.

6. The paper pretreatment device for a printing press according to claim 4, characterized in that: The limiting rollers (31) on the same side are distributed in a fan shape.

7. The paper pretreatment device for a printing press according to claim 1, characterized in that: The base (1) has a recessed edge with a mounting groove, and the base (1) is fixed to an external mounting surface via a fastener.

8. The paper pretreatment device for a printing press according to claim 2, characterized in that: The guide rollers (24) are arranged parallel to fixed tracks, and the paper roll is passed between adjacent guide rollers (24).

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