Elastic pressing plate for corrugated board production line

Abstract

The elastic pressing plate for the corrugated board production line comprises a conveying assembly, a top frame is fixedly installed on the top of the conveying assembly, a pushing cylinder is fixedly installed on the top of the top frame, and a supporting plate is fixedly installed at the output end of the pushing cylinder. According to the paperboard pressing device, after a paperboard is conveyed to the position below a supporting plate through a conveying assembly, a pushing cylinder pushes the supporting plate, the supporting plate drives a pressing plate piece and an elastic cushion layer to move downwards till the elastic cushion layer makes contact with the paperboard, and the pressing plate piece and the supporting plate slide by a specified distance and compress a spring, so that pressing of the paperboard is completed; and meanwhile, a movable contact at the top of the pressing plate piece is just combined with a movable contact on the inner surface wall of the supporting plate, a fan is started, the input end of the fan accelerates flowing of airflow on the outer side of the paperboard through multiple sets of exhaust pipes, so that colloid in the paperboard is rapidly and preliminarily coagulated, and the coagulation rate of the colloid in the paperboard is increased while the paperboard is pressed downwards.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated paperboard processing, in particular to an elastic pressing plate for a corrugated paperboard production line. Background Art

[0002] The corrugated cardboard production line consists of two relatively independent process sections: wet-end equipment and dry-end equipment. The wet-end equipment mainly includes base paper support, automatic paper splicer, preheating and preconditioning device, single-sided corrugating machine, paper feeding bridge, gluing machine, double-sided machine, etc. The wet-end equipment makes corrugated base paper into three-, five-, and seven-layer corrugated cardboard with different flute combinations; the dry-end equipment mainly includes rotary cutting machine, longitudinal cutting and creasing machine, cross-cutting machine, stacking machine, etc. The dry-end equipment performs longitudinal cutting, creasing, cross-cutting and stacking on the corrugated cardboard according to technical requirements.

[0003] Chinese patent publication number CN204431819U, publication date 20150701, discloses an elastic pressing plate of an automatic corrugated cardboard production line, which is composed of an upper frame, a lower frame, an adjuster, a clamping belt, and a supporting transmission belt. The elastic pressing plate is composed of an upper elastic pressing plate and a lower elastic pressing plate. The elastic pressing plate includes a pressing plate body, a spring, and a flexible pressing plate. One end of the spring is fixed to the support plate of the pressing plate body, and the other end is connected to the flexible pressing plate through a metal plate as a transition. The two end shafts of the pressing plate body are respectively installed on both sides of the upper frame and the lower frame, the adjuster is installed on the upper frame, and the two end shafts of the upper elastic pressing plate are connected to the adjuster.

[0004] The elastic pressing plate used in the existing corrugated cardboard production line mentioned above is mostly composed of a conveying component and a pressing plate member. The pressing plate member is pushed to the top of the cardboard by a push cylinder and maintained for a specified time, so as to cooperate with the conveying component to complete the initial condensation of the colloid inside the cardboard. However, after the existing pressing plate member completes the downward pressing of the cardboard, the colloid inside the cardboard can often only rely on natural heat dissipation to achieve initial condensation, and the overall efficiency is low. Therefore, it is urgent to propose a corresponding elastic pressing plate for a corrugated cardboard production line to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the above problems and provides an elastic pressing plate for a corrugated board production line.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An elastic pressing plate for a corrugated cardboard production line comprises a conveying assembly, a top frame is fixedly mounted on the top of the conveying assembly, a pushing cylinder is fixedly mounted on the top of the top frame, a supporting plate is fixedly mounted on the output end of the pushing cylinder, a pressing plate member is slidably connected to the inner surface wall of the supporting plate, a spring is fixedly mounted between the pressing plate member and the inner surface wall of the supporting plate, a fan is fixedly mounted on the top of the supporting plate, a cooling assembly for accelerating the coagulation of colloid inside the cardboard is arranged between the input end of the fan and the supporting plate, and a starting assembly for starting the fan is arranged between the pressing plate member and the supporting plate.

[0008] Preferably, a fixing rod is fixedly installed at the output end of the push cylinder, and the outer wall of the fixing rod is slidably connected to a connecting frame with a U-shaped structure. The bottom of the vertical end of the connecting frame is fixedly connected to the top of the support plate, and a fixing part for fixing the connecting frame and the fixing rod is provided between the connecting frame and the fixing rod.

[0009] Preferably, the fixing portion includes a locking rod, the locking rod is screwed together with the inner wall of the connecting frame, and the locking rod is screwed together with the inner wall of the fixing rod through screw holes, and at least one group of the screw holes are vertically equidistantly distributed.

[0010] Preferably, an elastic cushion layer is fixedly installed on the bottom of the pressing plate, and the elastic cushion layer is made of a flexible resin plate.

[0011] Preferably, the starting assembly comprises a moving contact and a static contact, and the moving contact and the static contact are fixedly connected to the pressure plate and the support plate respectively.

[0012] Preferably, the cooling assembly comprises a plurality of groups of exhaust pipes, the plurality of groups of exhaust pipes are connected in parallel with the fan input end, and the plurality of groups of exhaust pipes are arranged in parallel on both sides of the horizontal end of the support plate.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] 1. In the present application, after the cardboard is conducted to the bottom of the support plate through the conveying assembly, the push cylinder pushes the support plate, and the support plate drives the pressure plate member and the elastic cushion layer to move downward until the elastic cushion layer contacts the cardboard. The pressure plate member and the support plate slide a specified distance and compress the spring to complete the downward pressing of the cardboard. At the same time, the moving contact on the top of the pressure plate member is just combined with the moving contact on the inner surface wall of the support plate, and the fan is started. The input end of the fan accelerates the airflow outside the cardboard through multiple sets of exhaust pipes, so that the colloid inside the cardboard quickly completes the initial condensation, thereby achieving the downward pressing of the cardboard while increasing the condensation rate of the colloid inside the cardboard.

[0015] 2. In the present application, the locking rod is rotated to separate it from the screw hole at the initial position, the connecting frame is moved to align it with the screw hole at the corresponding position, and the locking rod is rotated to engage with the screw hole at that position, so as to achieve re-fixation of the connecting frame. Under the premise that the output stroke of the push cylinder is fixed, the vertical position of the pressure plate can be achieved by adjusting the relative position of the connecting frame and the fixing rod, so that the pressure plate can adapt to cardboards of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure schematic diagram provided according to the embodiment of the utility model is shown;

[0017] Figure 2 A schematic diagram of the elastic cushion structure provided according to an embodiment of the utility model is shown;

[0018] Figure 3 A schematic diagram of the structure of a connecting frame provided according to an embodiment of the utility model is shown;

[0019] Figure 4 A schematic diagram of a spring structure provided according to an embodiment of the utility model is shown.

[0020] Legend:

[0021] 1. Conveying assembly; 2. Top frame; 3. Push cylinder; 5. Support plate; 6. Fan; 7. Pressure plate; 8. Elastic cushion; 9. Exhaust pipe; 10. Fixing rod; 11. Locking rod; 12. Connecting frame; 13. Screw hole; 14. Spring; 15. Static contact; 16. Moving contact. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] An elastic pressing plate for a corrugated cardboard production line comprises a conveying assembly 1, a top frame 2 is fixedly installed on the top of the conveying assembly 1, a push cylinder 3 is fixedly installed on the top of the top frame 2, a support plate 5 is fixedly installed on the output end of the push cylinder 3, a pressing plate member 7 is slidably connected to the inner surface wall of the support plate 5, a spring 14 is fixedly installed between the pressing plate member 7 and the inner surface wall of the support plate 5, a fan 6 is fixedly installed on the top of the support plate 5, a cooling assembly for accelerating the condensation of the colloid inside the cardboard is arranged between the input end of the fan 6 and the support plate 5, and a starting assembly for starting the fan 6 is arranged between the pressing plate member 7 and the support plate 5;

[0025] After the cardboard is conducted to the bottom of the support plate 5 through the conveying assembly 1, the push cylinder 3 pushes the support plate 5, and the support plate 5 drives the pressure plate 7 and the elastic cushion layer 8 to move downward until the elastic cushion layer 8 contacts the cardboard. The pressure plate 7 and the support plate 5 slide relative to each other for a specified distance and compress the spring 14, thereby completing the downward pressing of the cardboard. At the same time, the moving contact 16 on the top of the pressure plate 7 is just combined with the static contact 15 on the inner surface wall of the support plate 5, and the fan 6 is started. The input end of the fan 6 accelerates the airflow outside the cardboard through multiple groups of exhaust pipes 9, so that the colloid inside the cardboard quickly completes the initial condensation, thereby achieving the downward pressing of the cardboard while increasing the condensation rate of the colloid inside the cardboard.

[0026] Specifically, Figure 2 and Figure 4 As shown, a fixing rod 10 is fixedly installed at the output end of the push cylinder 3, and a U-shaped connecting frame 12 is slidably connected to the outer wall of the fixing rod 10, and the bottom of the vertical end of the connecting frame 12 is fixedly connected to the top of the support plate 5, and a fixing part for fixing the connecting frame 12 and the fixing rod 10 is provided between the connecting frame 12 and the fixing rod 10, and the fixing part includes a locking rod 11, and the locking rod 11 is screwed and connected to the inner wall of the connecting frame 12, and the locking rod 11 is screwed and connected to the inner wall of the fixing rod 10 through a screw hole 13, and until At least one group of screw holes 13 is distributed vertically and equidistantly. The locking rod 11 is rotated to separate it from the screw holes 13 at the initial position, the connecting frame 12 is moved to align with the screw holes 13 at the corresponding positions, and the locking rod 11 is rotated to combine with the screw holes 13 at this position, so as to achieve the re-fixation of the connecting frame 12. Under the premise that the output stroke of the pushing cylinder 3 is fixed, the vertical position of the pressing plate 7 is achieved by adjusting the relative position of the connecting frame 12 and the fixing rod 10, so that the pressing plate 7 can adapt to cardboards of different thicknesses.

[0027] Specifically, Figure 2 and Figure 3As shown, an elastic cushion layer 8 is fixedly installed at the bottom of the pressing plate 7. The elastic cushion layer 8 is made of a flexible resin board, which is made of a polymer material through microporous foaming to avoid damage to the cardboard. The starting component includes a moving contact 16 and a static contact 15. The moving contact 16 and the static contact 15 are fixedly connected to the pressing plate 7 and the support plate 5 respectively. The cooling component includes multiple groups of exhaust pipes 9, which are connected in parallel with the input end of the fan 6, and the multiple groups of exhaust pipes 9 are arranged in parallel on both sides of the horizontal end of the support plate 5. The moving contact 16 on the top of the pressing plate 7 is just combined with the static contact 15 on the inner wall of the support plate 5. The fan 6 is started, and the input end of the fan 6 accelerates the airflow outside the cardboard through the multiple groups of exhaust pipes 9, so that the colloid inside the cardboard quickly completes the initial condensation.

[0028] Working principle: After the cardboard is conducted to the bottom of the support plate 5 through the conveying component 1, the cylinder 3 pushes the support plate 5, and the support plate 5 drives the pressing plate 7 and the elastic cushion layer 8 to move downward until the elastic cushion layer 8 contacts the cardboard. The pressing plate 7 and the support plate 5 slide relative to each other for a specified distance and compress the spring 14, thereby completing the downward pressing of the cardboard. At the same time, the moving contact 16 on the top of the pressing plate 7 is just combined with the static contact 15 on the inner wall of the support plate 5, and the fan 6 is started. The input end of the fan 6 accelerates the airflow outside the cardboard through multiple sets of exhaust pipes 9, thereby making the colloid inside the cardboard The initial coagulation is completed quickly, thereby achieving downward pressure on the cardboard and increasing the coagulation rate of the colloid inside the cardboard. The locking rod 11 is rotated to separate it from the screw hole 13 at the initial position, the connecting frame 12 is moved to align with the screw hole 13 at the corresponding position, and the locking rod 11 is rotated to combine with the screw hole 13 at this position, so as to achieve re-fixation of the connecting frame 12. Under the premise that the output stroke of the pushing cylinder 3 is fixed, the vertical position of the pressing plate 7 is achieved by adjusting the relative position of the connecting frame 12 and the fixing rod 10, so that the pressing plate 7 can adapt to cardboards of different thicknesses.

[0029] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An elastic pressing plate for a corrugated board production line, comprising a conveying assembly (1), characterized in that: A top frame (2) is fixedly mounted on the top of the conveying component (1), a pushing cylinder (3) is fixedly mounted on the top of the top frame (2), a support plate (5) is fixedly mounted on the output end of the pushing cylinder (3), a pressing plate component (7) is slidably connected to the inner surface wall of the support plate (5), a spring (14) is fixedly mounted between the pressing plate component (7) and the inner surface wall of the support plate (5), a fan (6) is fixedly mounted on the top of the support plate (5), a cooling component for accelerating the coagulation of colloid inside the paperboard is arranged between the input end of the fan (6) and the support plate (5), and a starting component for starting the fan (6) is arranged between the pressing plate component (7) and the support plate (5).

2. The elastic pressing plate for a corrugated board production line according to claim 1, characterized in that: A fixing rod (10) is fixedly mounted on the output end of the push cylinder (3); a U-shaped connecting frame (12) is slidably connected to the outer wall of the fixing rod (10); the bottom of the vertical end of the connecting frame (12) is fixedly connected to the top of the support plate (5); and a fixing portion for fixing the connecting frame (12) and the fixing rod (10) is provided between the connecting frame (12) and the fixing rod (10).

3. The elastic pressing plate for a corrugated board production line according to claim 2, characterized in that: The fixing portion comprises a locking rod (11), the locking rod (11) being screwed together with the inner surface wall of the connecting frame (12), and the locking rod (11) being screwed together with the inner surface wall of the fixing rod (10) through a screw hole (13), and at least one group of the screw holes (13) are vertically equidistantly distributed.

4. The elastic pressing plate for a corrugated board production line according to claim 3, characterized in that: An elastic cushion layer (8) is fixedly mounted on the bottom of the pressure plate member (7), and the elastic cushion layer (8) is made of a flexible resin plate.

5. The elastic pressing plate for a corrugated board production line according to claim 4, characterized in that: The starting assembly comprises a moving contact (16) and a stationary contact (15), and the moving contact (16) and the stationary contact (15) are fixedly connected to the pressure plate (7) and the support plate (5) respectively.

6. The elastic pressing plate for a corrugated board production line according to claim 5, characterized in that: The cooling assembly comprises a plurality of groups of exhaust pipes (9), the plurality of groups of exhaust pipes (9) are connected in parallel to the input end of the fan (6), and the plurality of groups of exhaust pipes (9) are arranged in parallel on both sides of the horizontal end of the support plate (5).

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