Double-sided paper laying machine

Abstract

The invention discloses a double-sided paper laying machine which comprises a paper laying machine body, positioning vertical plates are symmetrically installed on the left side of the top of the paper laying machine body, guide rollers are rotatably installed on the inner sides of the positioning vertical plates, conveying rollers are installed in the right end of the paper laying machine body at equal intervals, and supporting legs are fixedly installed on the periphery of the bottom of the paper laying machine body. Linear motors are mounted on the front side and the rear side of the right end of the paper laying machine body correspondingly, guide sliding seats are slidably mounted on the outer portions of the linear motors, and gantry fixing frames are fixedly mounted on the outer portions of the guide sliding seats. Through cooperation of the paper pressing roller and the lifting base, multi-direction extrusion and stretching of wrinkles on the surface of paper are achieved, the flatness of the paper is improved, a first supporting spring and a second supporting spring can automatically adjust pressure according to the thickness and the wrinkle degree of the paper, the paper laying machine is compatible with the paper of different specifications, and the wrinkle removing function of the device is integrated on the paper laying machine body; no additional independent device is needed, the equipment structure is simplified, and the cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of paper processing, and specifically relates to a double-sided paper laying machine. Background Art

[0002] A double-sided paper laying machine is a special equipment used in the production process of plates (such as artificial boards, decorative boards, melamine boards, etc.) to simultaneously lay materials such as decorative paper and veneer paper on the upper and lower surfaces of the plates. Its core function is to solve the problems of low efficiency, poor accuracy, and high cost in the traditional paper laying process, and is especially suitable for scenarios with high quality requirements for double-sided sticker paper (such as imitation solid wood pattern laminating, double-sided decoration, etc.). During the production or processing of paper, the double-sided paper laying machine is often used for the transportation and spreading of paper. However, during the transportation process of the traditional paper laying machine, the paper is prone to wrinkles due to uneven tension, improper roller spacing, or external interference, which affects the paper quality and subsequent processing. Existing equipment usually needs to additionally install a wrinkle removal device, resulting in a complex structure and increased cost. Summary of the Invention

[0003] The purpose of the present invention is to provide a double-sided paper laying machine, which has the advantage of being able to remove wrinkles on the paper surface.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A double-sided paper laying machine, including a paper laying machine body. On the left side of the top of the paper laying machine body, positioning vertical plates are symmetrically installed. Inside the positioning vertical plates, guiding rollers are rotatably installed. Inside the right end of the paper laying machine body, conveying rollers are installed at equal intervals. On the four sides of the bottom of the paper laying machine body, supporting legs are fixedly installed. On the front and back sides of the right end of the paper laying machine body, linear motors are installed. Outside the linear motors, guiding sliding seats are slidably installed. Outside the guiding sliding seats, a gantry fixing frame is fixedly installed. Inside the gantry fixing frame, pressing rollers are installed longitudinally at equal intervals. There is a gap between the bottom of the pressing rollers and the top of the conveying rollers.

[0005] As a preferred solution, on the front and back sides of the inner cavity of the gantry fixing frame, vertical guide rods are fixedly installed. Outside the vertical guide rods, lifting seats are slidably installed. The inner sides of the lifting seats are connected to the support shafts at the ends of the pressing rollers.

[0006] As a preferred solution, on the front and back sides of the top of the lifting seats, first support springs are fixedly installed. The upper ends of the first support springs are connected to the top of the inner cavity of the gantry fixing frame. Bearings are embedded at the connection parts between the lifting seats and the support shafts at the ends of the pressing rollers.

[0007] As a preferred solution, an upper limit seat is fitted and installed on the upper part of the paper pressing roller. Second support springs are installed on both sides of the top of the upper limit seat. The upper ends of the second support springs are connected to the top of the inner cavity of the gantry fixing frame. A vertical guide plate is installed outside the second support springs. The upper end of the vertical guide plate penetrates above the gantry fixing frame.

[0008] As a preferred solution, side baffles are fixedly installed on both sides outside the linear motor. The longitudinal width of the side baffles is greater than the longitudinal width of the guiding sliding seat.

[0009] As a preferred solution, an arc-shaped groove corresponding to the surface of the paper pressing roller is formed inside the upper limit seat, and the arc-shaped groove matches the external shape of the paper pressing roller.

[0010] As a preferred solution, the gantry fixing frame and its internal structure as a whole adopt a horizontal moving design above the paper pressing roller.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. Through the cooperation of the paper pressing roller and the lifting seat, the present invention realizes the multi-directional extrusion and stretching of the wrinkles on the paper surface, improves the flatness of the paper. The first support spring and the second support spring can automatically adjust the pressure according to the paper thickness and the degree of wrinkles, and are compatible with different specifications of paper. The wrinkle removal function of this device is integrated into the paper laying machine body, without the need to additionally install an independent device, which simplifies the equipment structure and reduces the cost.

[0012] 2. The upper limit seat of the present invention is connected to the gantry fixing frame through the second support spring, which can effectively buffer the impact force received by the paper pressing roller during operation, avoid damage to the equipment caused by rigid collision. At the same time, the elastic deformation of the spring enables the paper pressing roller to automatically adjust the pressure according to working conditions such as paper thickness, ensuring stable pressing during the paper conveying process, improving the processing accuracy and product quality. The setting of the vertical guide plate provides accurate guidance for the movement of the second support spring and the upper limit seat, restricts their movement to only the vertical direction, prevents the paper pressing roller from shaking or shifting during operation, ensures the consistency and reliability of the paper pressing action, and further improves the stability of the operation of the entire equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a three-dimensional view of the structure of the present invention from the first perspective; Figure 2 is a three-dimensional view of the structure of the present invention from the second perspective; Figure 3 is a partial structural cross-sectional view of the present invention; Figure 4 is a structural diagram of the inside of the gantry fixing frame of the present invention.

[0014] In the figure: 1. Paper laying machine body; 2. Guide roller; 3. Positioning vertical plate; 4. Conveyor roller; 5. Leg; 6. Linear motor; 7. Guide slide; 8. Gantry fixing frame; 9. Vertical guide rod; 10. Lifting seat; 11. First support spring; 12. Paper pressing roller; 13. Second support spring; 14. Vertical guide plate; 15. Upper limit seat; 16. Side baffle. Detailed implementation mode

[0015] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection scope of the present invention.

[0016] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation mode of the present invention. The "in one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selectively exclusive embodiment from other embodiments. Embodiment 1

[0017] Please refer to Figure 1 As shown, the present invention provides a double-sided paper laying machine, including a paper laying machine body 1. Positioning vertical plates 3 are symmetrically installed on the left side of the top of the paper laying machine body 1. Guide rollers 2 are rotatably installed inside the positioning vertical plates 3. Conveyor rollers 4 are equidistantly installed inside the right end of the paper laying machine body 1. Legs 5 are fixedly installed around the bottom of the paper laying machine body 1. Linear motors 6 are installed on the front and rear sides of the right end of the paper laying machine body 1. Guide slides 7 are slidably installed outside the linear motors 6. A gantry fixing frame 8 is fixedly installed outside the guide slides 7. Paper pressing rollers 12 are longitudinally equidistantly installed inside the gantry fixing frame 8. A gap is left between the bottom of the paper pressing rollers 12 and the top of the conveyor rollers 4.

[0018] Through the cooperation of the paper pressing roller 12 and the lifting seat 10 in this technical solution, multi-directional extrusion and stretching of the wrinkles on the paper surface are realized, the flatness of the paper is improved, and the first support spring 11 and the second support spring 13 can automatically adjust the pressure according to the paper thickness and the degree of wrinkles, being compatible with different specifications of paper. The wrinkle removal function of this device is integrated into the paper laying machine body 1, without the need to additionally install an independent device, simplifying the equipment structure and reducing the cost. Embodiment 2

[0019] On the basis of Embodiment 1, the present invention is as Figure 4As shown, vertical guide rods 9 are fixedly installed on both the front and rear sides inside the cavity of the gantry fixed frame 8. A lifting seat 10 is slidably installed outside the vertical guide rods 9. The inner side of the lifting seat 10 is connected to the support shaft at the end of the paper pressing roller 12. On both the front and rear sides of the top of the lifting seat 10, first support springs 11 are fixedly installed. The upper ends of the first support springs 11 are connected to the top inside the cavity of the gantry fixed frame 8. A bearing is embedded at the connection part between the lifting seat 10 and the support shaft of the end of the paper pressing roller 12.

[0020] Adopting the technical solution as Figure 1 shown, the elastic force of the first support spring 11 enables the paper pressing roller 12 to float and fit the surface of the paper. When the local thickness of the paper is uneven or there are wrinkles, the spring automatically adjusts the height of the paper pressing roller 12 by compression or stretching to ensure uniform pressure distribution. The rigid pressing roller requires manual adjustment of the gap and cannot adapt to the thickness fluctuation of the paper, which easily leads to excessive or insufficient local pressure. However, this design realizes dynamic pressure balance through the elastic deformation of the spring without manual intervention. The sliding fit between the vertical guide rod 9 and the lifting seat 10 strictly limits the movement of the paper pressing roller 12 in the vertical direction, avoiding lateral deviation or shaking, which ensures that the paper pressing roller 12 always remains parallel to the conveying roller 4 and prevents uneven local pressure caused by angular deviation.

[0021] Secondly, in the technical solution, an upper limit seat 15 is fitted on the upper part of the paper pressing roller 12. On both sides of the top of the upper limit seat 15, second support springs 13 are installed. The upper ends of the second support springs 13 are connected to the top inside the cavity of the gantry fixed frame 8. A vertical guide plate 14 is installed outside the second support springs 13. The upper end of the vertical guide plate 14 penetrates above the gantry fixed frame 8. On both sides outside the linear motor 6, side baffles 16 are fixedly installed. The longitudinal width of the side baffles 16 is greater than the longitudinal width of the guide sliding seat 7.

[0022] It adopts the technical solution as Figure 1 shown. The upper limit seat 15 is connected to the gantry fixed frame 8 through the second support spring 13, which can effectively buffer the impact force received by the paper pressing roller 12 during operation and avoid damage to the equipment caused by rigid collision. At the same time, the elastic deformation of the spring enables the paper pressing roller 12 to automatically adjust the pressure according to working conditions such as paper thickness to ensure stable pressing during the paper conveying process and improve the processing accuracy and product quality. The setting of the vertical guide plate 14 provides precise guidance for the movement of the second support spring 13 and the upper limit seat 15, restricting their movement to only the vertical direction, preventing the paper pressing roller 12 from shaking or deviating during operation, ensuring the consistency and reliability of the paper pressing action, and thus improving the stability of the operation of the entire equipment. Embodiment Three

[0023] The present invention as Figures 1-4As shown, an arc-shaped groove corresponding to the surface of the paper pressing roller 12 is provided inside the upper limit seat 15, and the arc-shaped groove fits the external shape of the paper pressing roller 12; the gantry fixed frame 8 and the internal structure as a whole are designed to be horizontally movable above the paper pressing roller 12.

[0024] With the above technical solution, the arc-shaped groove inside the upper limit seat 15 fits the external shape of the paper pressing roller 12 with a high degree of conformity, maximizing the contact area between the two. During the operation of the paper pressing roller 12, this close fit can effectively prevent the paper pressing roller 12 from experiencing radial displacement or tilting, ensuring that the paper pressing action is always stable and reliable, and avoiding problems such as unsmooth paper conveyance or uneven paper pressing marks caused by the deviation of the paper pressing roller 12.

[0025] The working principle of the present invention is as follows: during the process of paper laying and conveyance, the linear motor 6 drives the guide slide 7 to slide horizontally, enabling the gantry fixed frame 8 and the entire paper pressing system to move horizontally with the linear motor 6, covering different positions in the width direction of the paper, and achieving uniform full-width pressing; When the paper is conveyed to the lower part of the paper pressing roller 12, the paper pressing roller 12 moves horizontally with the gantry fixed frame 8, applying pressure to the upper surface of the paper. At the same time, the conveying roller 4 supports the lower surface of the paper. Through the squeezing action of the upper and lower rollers, the two sides of the paper are flatly attached. The vertical guide rod 9 inside the gantry fixed frame 8 restricts the moving direction of the lifting seat 10, making it slide only in the vertical direction, ensuring that the paper pressing roller 12 presses vertically and avoiding tilting. The first support spring 11 provides elastic buffering to prevent the paper pressing roller 12 from applying excessive rigid pressure to the paper and causing damage, adapting to papers of different thicknesses, adjusting the pressing force through the spring compression amount. The upper limit seat 15 fits the upper part of the paper pressing roller 12 through the arc-shaped groove, restricting the maximum upward movement stroke of the paper pressing roller 12 and preventing the paper pressing roller 12 from disengaging from the working position.

[0026] Importantly, it should be noted that the construction and arrangement of the present application shown in multiple different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible without materially departing from the novel teachings and advantages of the subject matter described in this application (e.g., changes in the dimensions, scales, structures, shapes and proportions of various elements, as well as parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, colors, orientations, etc.). For example, an element shown as integrally formed may be composed of multiple parts or elements, the positions of the elements may be inverted or otherwise changed, and the nature, number or position of discrete elements may be altered or changed. Accordingly, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any clause of "means-plus-function" is intended to cover the structures that perform the recited function herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present invention. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0027] In addition, in order to provide a concise description of the exemplary embodiments, all features of the actual embodiments may not be described (i.e., those features that are not relevant to the currently contemplated best mode of carrying out the present invention or those features that are not relevant to the implementation of the present invention).

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A double-sided paper laying machine, comprising a paper laying machine body (1), characterized in that: On the left side of the top of the paper laying machine body (1), positioning vertical plates (3) are symmetrically installed. A guiding roller (2) is rotatably installed inside the positioning vertical plate (3). Inside the right end of the paper laying machine body (1), conveying rollers (4) are installed at equal intervals. Legs (5) are fixedly installed around the bottom of the paper laying machine body (1). Linear motors (6) are installed on the front and back sides of the right end of the paper laying machine body (1). A guiding sliding seat (7) is slidably installed outside the linear motor (6). A gantry fixing frame (8) is fixedly installed outside the guiding sliding seat (7). Inside the gantry fixing frame (8), pressing rollers (12) are installed longitudinally at equal intervals. A gap is left between the bottom of the pressing roller (12) and the top of the conveying roller (4).

2. The double-sided paper laying machine according to claim 1, wherein: Vertically guiding rods (9) are fixedly installed on the front and back sides of the inner cavity of the gantry fixing frame (8). A lifting seat (10) is slidably installed outside the vertically guiding rod (9). The inner side of the lifting seat (10) is connected to the support shaft at the end of the pressing roller (12).

3. The double-sided paper laying machine according to claim 2, characterized in that: On the front and back sides of the top of the lifting seat (10), first support springs (11) are fixedly installed. The upper ends of the first support springs (11) are connected to the top of the inner cavity of the gantry fixing frame (8). A bearing is embedded at the connecting part of the lifting seat (10) and the support shaft at the end of the pressing roller (12).

4. A double-sided paper laying machine according to claim 1, characterized in that: An upper limit seat (15) is fitted and installed on the upper part of the pressing roller (12). Second support springs (13) are installed on both sides of the top of the upper limit seat (15). The upper ends of the second support springs (13) are connected to the top of the inner cavity of the gantry fixing frame (8). A vertically guiding plate (14) is installed outside the second support spring (13). The upper end of the vertically guiding plate (14) penetrates above the gantry fixing frame (8).

5. A double-sided paper laying machine according to claim 1, characterized in that: Side baffles (16) are fixedly installed on both sides outside the linear motor (6). The longitudinal width of the side baffle (16) is greater than the longitudinal width of the guiding sliding seat (7).

6. The double-sided paper laying machine according to claim 4, wherein: An arc-shaped groove corresponding to the surface of the pressing roller (12) is formed inside the upper limit seat (15), and the arc-shaped groove matches the external shape of the pressing roller (12).

7. A double-sided paper laying machine according to claim 1, characterized in that: The gantry fixing frame (8) and the overall internal structure adopt a horizontal mobile design above the pressing roller (12).

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