Paperboard transverse cutting machine

Abstract

The utility model relates to a paperboard transverse cutting machine which is characterized in that when a corrugated paperboard needs to be transversely cut in the actual corrugated paperboard production process, the corrugated paperboard can be placed on a conveying mechanism, the paperboard is pressed and held through a pressing and holding mechanism, the paperboard is pressed and held and conveyed, the paperboard abuts against an abutting plate after reaching the position below a transverse cutting mechanism, and therefore the paperboard can be transversely cut. Paperboards are transversely cut through the transverse cutting mechanism, the transversely-cut paperboards fall on the containing platform, then the arranging assembly is operated to arrange the transversely-cut paperboards, and after the paperboards are stacked to a certain height, the moving-out assembly is operated to drive the containing platform and the paperboards to move. And then, a worker takes down the stacked and arranged paperboards, so that the corrugated paperboards can be better transversely cut, the transversely cut corrugated paperboards are collected and arranged, the situation that the transversely cut corrugated paperboards affect subsequent processing is avoided, the dependence on manpower is reduced, and the processing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cross-cutting machines, in particular to a cardboard cross-cutting machine. Background Art

[0002] Corrugated paper is a board-shaped material made by gluing noodle paper and corrugated paper formed by corrugating rollers. It is generally divided into two categories: single corrugated paperboard and double corrugated paperboard. According to the size of the corrugation, it is divided into five types: A, B, C, E, and F. The invention and application of corrugated paper has a history of more than 100 years. It has the advantages of low cost, light weight, easy processing, high strength, excellent printing adaptability, and convenient storage and transportation. More than 80% of corrugated paper can be recycled. Corrugated paper can be used as packaging for food or digital products. It is relatively environmentally friendly and widely used.

[0003] After processing, corrugated paper needs to be cut crosswise by a cross-cutting machine to make the corrugated paper reach the usable size. However, after the traditional cross-cutting machine completes the cross-cutting of the corrugated paper, it is unable to effectively collect and sort the cross-cut corrugated paper, resulting in the cross-cut corrugated paper being randomly piled up under the cutter. Manual collection and sorting of the cross-cut corrugated paper is required, which is time-consuming and labor-intensive, and reduces processing efficiency. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In order to solve the above problems in the prior art, the utility model provides a cardboard cross-cutting machine, which can better cross-cut corrugated cardboard and collect and sort the cross-cut corrugated cardboard to avoid the cross-cut corrugated cardboard affecting subsequent processing, reduce dependence on manual labor, and improve processing efficiency.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0008] A cardboard cross-cutting machine comprises a machine platform, a conveying mechanism, a holding mechanism, a cross-cutting mechanism and a finishing mechanism, wherein the conveying mechanism is arranged on one side of the machine platform, the holding mechanism is arranged above the conveying mechanism, the cross-cutting mechanism is arranged in the middle of the machine platform, and the finishing mechanism is arranged on the other side of the machine platform;

[0009] The sorting mechanism includes a placement platform, a holding plate, a removal component and a sorting component. The removal component is installed on the other side of the machine, and the removal component is drivingly connected to the placement platform. The holding plate is provided on the side of the placement platform away from the cross-cutting mechanism, and a sorting component is provided on both sides of the placement platform.

[0010] Furthermore, the sorting assembly includes a first linear drive member, a rotating table, a first rotating drive member, a rotating shaft and a sorting clamp, and a mounting hole is provided on the placement platform, one side of the first linear drive member is installed inside the mounting hole, and the other side of the first linear drive member is drivingly connected to one side of the rotating table, the lower part of the sorting clamp is rotatably connected to the other side of the rotating table through the rotating shaft, and the first rotating drive member is drivingly connected to the rotating shaft.

[0011] Furthermore, the removal assembly includes a second rotating drive member, a screw rod and a slider. A slide groove is provided on the other side of the machine. The screw rod is rotatably connected in the slide groove. The slider is rotatably connected to the slide groove. The screw rod is passed through the slider. The slider is fixedly connected to the bottom surface of the placement platform, and the second rotating drive member is drivingly connected to the screw rod.

[0012] Furthermore, the conveying mechanism includes a plurality of conveying rollers, a transmission assembly and a third rotating driving member. A receiving groove is provided on one side of the machine, and a plurality of the conveying rollers are rotatably connected inside the receiving groove. The conveying rollers are all connected to the transmission assembly, and the third rotating driving member is drivingly connected to the transmission assembly.

[0013] Furthermore, the pressing mechanism includes an installation bin and a pressing assembly, the installation bin is fixedly connected to one side of the machine, a plurality of the pressing assemblies are arranged on the upper part of the installation bin, and the pressing assemblies are all arranged above the conveying mechanism.

[0014] Furthermore, the pressing assembly includes a height adjustment assembly, a lifting plate and an elastic pressing member, the height adjustment assembly is connected to the upper part of the installation bin, the height adjustment assembly is linearly driven connected to the upper part of the lifting plate, a plurality of collapse grooves are provided at the lower part of the lifting plate, and one of the elastic pressing members is installed in the collapse groove.

[0015] Furthermore, the elastic pressing member includes a spring, a mounting rod, a rotating seat and a pressure wheel, the spring is arranged inside the collapse groove, the upper part of the mounting rod is abutted against the outer surface of the spring and is slidably connected to the collapse groove, the lower part of the mounting rod is fixedly mounted with the rotating seat, and the pressure wheel is rotatably connected to the rotating seat.

[0016] Furthermore, the cross-cutting mechanism includes a gantry, a second linear drive, a lifting platform, a cutter and a cutting platform. The gantry is installed in the middle of the machine, the cutting platform is arranged below the gantry, the cutting platform is fixedly connected to the middle of the machine, a lifting slot is arranged on the inner side of the gantry, the lifting platform is slidably connected to the lifting slot, the second linear drive is installed on the top of the gantry, the second linear drive is linearly driven and connected to the lifting platform, the cutter is detachably connected to the lifting platform, and the cutter and the cutting platform are staggered.

[0017] Furthermore, it also includes a support frame, and the support frame is fixedly installed on the bottom of the machine.

[0018] Furthermore, it also includes a controller, which is electrically connected to the conveying mechanism, the pressing mechanism, the cross-cutting mechanism and the sorting mechanism respectively.

[0019] (III) Beneficial effects

[0020] The beneficial effect of the utility model is that when the corrugated cardboard needs to be cross-cut during the actual corrugated cardboard production process, the corrugated cardboard can be placed on the conveying mechanism, and the cardboard is pressed and held by the pressing mechanism to be pressed and conveyed. After the cardboard reaches the bottom of the cross-cutting mechanism, the cardboard is abutted against the abutting plate, and the cardboard is cross-cut by the cross-cutting mechanism. The cross-cut cardboard falls onto the placement platform, and then the sorting component is operated to sort the cross-cut cardboard. After the cardboard stack reaches a certain height, the removing component is operated to drive the placement platform and the cardboard to move, and then the staff takes down the stacked and sorted cardboard, thereby better cross-cutting the corrugated cardboard, and collecting and sorting the cross-cut corrugated cardboard, avoiding the cross-cut corrugated cardboard affecting subsequent processing, reducing the dependence on manual labor, and improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a cardboard cross-cutting machine according to an embodiment of the utility model;

[0022] Figure 2 A side view of the overall structure of a cardboard cross-cutting machine according to an embodiment of the utility model;

[0023] Figure 3 It is a front view of the overall structure of the cardboard cross-cutting machine according to an embodiment of the utility model;

[0024] Figure 4 This is a cross-sectional view of the overall structure of a cardboard cross-cutting machine according to an embodiment of the utility model;

[0025] Figure 5 A cross-sectional view of a placement platform in a cardboard cross-cutting machine according to an embodiment of the utility model;

[0026] [Description of Reference Numerals]

[0027] Installation bin 1, first slide bar 2, height adjustment assembly 3, second linear drive member 4, second slide bar 5, cutting table 6, placement platform 7, support plate 8, screw rod 9, second rotating drive member 10, first rotating drive member 11, sorting splint 12, rotating table 13, gantry 14, controller 15, machine table 16, support frame 17, feed table 18, cutter 19, transmission assembly 20, third rotating drive member 21, pressure wheel 22, rotating seat 23, lifting plate 24, installation rod 25, slider 26, conveying roller 27, first linear drive member 28, third slide bar 29, rotating shaft 30, lifting platform 31. DETAILED DESCRIPTION

[0028] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0029] Please refer to Figures 1 to 5 As shown, a cardboard cross-cutting machine of the utility model comprises a machine platform 16, a conveying mechanism, a holding mechanism, a cross-cutting mechanism and a finishing mechanism. The conveying mechanism is arranged on one side of the machine platform 16, the holding mechanism is arranged above the conveying mechanism, the cross-cutting mechanism is arranged in the middle of the machine platform 16, and the finishing mechanism is arranged on the other side of the machine platform 16;

[0030] The sorting mechanism includes a placement platform 7, a supporting plate 8, a removal component and a sorting component. The removal component is installed on the other side of the machine 16, and the removal component is drivingly connected to the placement platform 7. The supporting plate 8 is provided on the side of the placement platform 7 away from the cross-cutting mechanism, and a sorting component is provided on both sides of the placement platform 7.

[0031] The working principle of the utility model is as follows: in the actual corrugated cardboard production process, when the corrugated cardboard needs to be cross-cut, the corrugated cardboard can be placed on the conveying mechanism, and the cardboard is pressed and held by the pressing mechanism to be pressed and conveyed. After the cardboard reaches the bottom of the cross-cutting mechanism, the cardboard is abutted against the abutting plate 8, and the cardboard is cross-cut by the cross-cutting mechanism. The cross-cut cardboard falls on the placement platform 7, and then the sorting component is operated to sort the cross-cut cardboard. After the cardboard stack reaches a certain height, the removal component is operated to drive the placement platform 7 and the cardboard to move, and then the staff removes the stacked and sorted cardboard.

[0032] Furthermore, the sorting assembly includes a first linear drive member 28, a rotating table 13, a first rotating drive member 11, a rotating shaft 30 and a sorting clamp 12. A mounting hole is provided on the placement platform 7. One side of the first linear drive member 28 is installed inside the mounting hole. The other side of the first linear drive member 28 is drivingly connected to one side of the rotating table 13. The lower part of the sorting clamp 12 is rotatably connected to the other side of the rotating table 13 through the rotating shaft 30. The first rotating drive member 11 is drivingly connected to the rotating shaft 30.

[0033] From the above description, it can be seen that it is helpful to adjust the position of the sorting clamp 12 according to the width of the cardboard. The first linear drive member 28 drives the rotating table 13 to move so that the position is adjusted. When the cardboard needs to be sorted, the first rotating drive member 11 can be operated to drive the sorting clamp 12 to rotate through the rotating shaft 30, and the two sides of the cardboard are clamped by the sorting clamp 12 to align the stacked cardboards.

[0034] Furthermore, the removal assembly includes a second rotating drive member 10, a screw rod 9 and a slider 26. A slide groove is provided on the other side of the machine 16. The screw rod 9 is rotatably connected in the slide groove. The slider 26 is rotatably connected to the slide groove. The screw rod 9 is passed through the slider 26. The slider 26 is fixedly connected to the bottom surface of the placement platform 7. The second rotating drive member 10 is drivingly connected to the screw rod 9.

[0035] From the above description, it can be seen that when the placement platform 7 needs to be moved out, the second rotating drive member 10 can be operated to drive the screw rod 9 to rotate, and the screw rod 9 drives the slider 26 to move in the slide groove, and at the same time the slider 26 drives the placement platform 7 to move out.

[0036] Furthermore, the conveying mechanism includes a plurality of conveying rollers 27, a transmission assembly 20 and a third rotating driving member 21. A receiving groove is provided on one side of the machine platform 16. A plurality of conveying rollers 27 are rotatably connected inside the receiving groove. The conveying rollers 27 are all connected to the transmission assembly 20. The third rotating driving member 21 is drivingly connected to the transmission assembly 20.

[0037] From the above description, it can be seen that when the cardboard needs to be transported, the third rotating driving member 21 can be operated to drive the various conveying rollers 27 to rotate through the transmission assembly 20, and the cardboard is transported through the conveying rollers 27.

[0038] Furthermore, the pressing mechanism includes an installation bin 1 and a pressing assembly. The installation bin 1 is fixedly connected to one side of the machine platform 16. A plurality of pressing assemblies are arranged on the upper part of the installation bin 1. The pressing assemblies are all arranged above the conveying mechanism.

[0039] From the above description, it can be seen that when the cardboard needs to be pressed and transported, the running number of the pressing components can be adjusted according to the width of the cardboard, and the corresponding pressing components can be pressed on the cardboard.

[0040] Furthermore, the holding assembly includes a height adjustment assembly 3, a lifting plate 24 and an elastic holding member, the height adjustment assembly 3 is connected to the upper part of the installation bin 1, the height adjustment assembly 3 is linearly driven connected to the upper part of the lifting plate 24, and a plurality of collapse grooves are provided at the lower part of the lifting plate 24, and an elastic holding member is installed in one of the collapse grooves.

[0041] From the above description, it can be known that when the cardboard needs to be pressed, the height adjustment component 3 can be operated to drive the lifting plate 24 to descend and the elastic pressing member can be pressed on the cardboard.

[0042] Furthermore, the elastic pressing member includes a spring, a mounting rod 25, a rotating seat 23 and a pressure wheel 22, wherein the spring is arranged inside the collapse groove, the upper part of the mounting rod 25 abuts against the outer surface of the spring and is slidably connected to the collapse groove, the lower part of the mounting rod 25 is fixedly mounted with the rotating seat 23, and the pressure wheel 22 is rotatably connected to the rotating seat 23.

[0043] From the above description, it can be seen that when the pressing wheel 22 is pressed on the cardboard, the pressing wheel 22 rotates through the rotating seat 23 to avoid affecting the transportation of the cardboard. At the same time, the mounting rod 25 collapses into the collapse groove through the spring to prevent the pressing wheel 22 from crushing the cardboard.

[0044] Furthermore, the cross-cutting mechanism includes a gantry 14, a second linear drive member 4, a lifting platform 31, a cutter 19 and a cutting table 6. The gantry 14 is installed in the middle of the machine platform 16, and the cutting table 6 is arranged below the gantry 14. The cutting table 6 is fixedly connected to the middle of the machine platform 16. A lifting groove is arranged on the inner side of the gantry 14, and the lifting platform 31 is slidably connected to the lifting groove. The second linear drive member 4 is installed on the top of the gantry 14, and the second linear drive member 4 is linearly driven and connected to the lifting platform 31. The cutter 19 is detachably connected to the lifting platform 31, and the cutter 19 and the cutting table 6 are staggered.

[0045] From the above description, it can be seen that when it is necessary to cross-cut the cardboard, the second linear drive member 4 can be operated to drive the lifting platform 31 to slide down on the lifting groove, and at the same time, the cutter 19 on the lifting platform 31 cooperates with the cutting platform 6 to cross-cut the cardboard, and then the cross-cut cardboard relies on the cutting platform 6 to slide onto the placement platform 7.

[0046] Furthermore, a support frame 17 is included, and the support frame 17 is fixedly installed on the bottom of the platform 16.

[0047] From the above description, it can be seen that it is beneficial to support the entire device through the support frame 17.

[0048] Furthermore, it also includes a controller 15, and the controller 15 is electrically connected to the conveying mechanism, the pressing mechanism, the cross-cutting mechanism and the sorting mechanism respectively.

[0049] It can be seen from the above description that it is more convenient for the user to control the entire device.

[0050] Embodiment 1

[0051] Please refer to Figures 1 to 5 A cardboard cross-cutting machine comprises a machine platform 16, a conveying mechanism, a holding mechanism, a cross-cutting mechanism and a finishing mechanism, wherein the conveying mechanism is arranged on one side of the machine platform 16, the holding mechanism is arranged above the conveying mechanism, the cross-cutting mechanism is arranged in the middle of the machine platform 16, and the finishing mechanism is arranged on the other side of the machine platform 16;

[0052] A feeding platform 18 is welded on one side of the machine platform 16 to facilitate the paperboard to enter the conveying roller 27;

[0053] The finishing mechanism includes a placement platform 7, a holding plate 8, a removal component and a finishing component. The removal component is installed on the other side of the machine 16, and the removal component is drivingly connected to the placement platform 7. The holding plate 8 is provided on the side of the placement platform 7 away from the cross-cutting mechanism, and a finishing component is provided on both sides of the placement platform 7.

[0054] The arranging assembly includes a first linear drive member 28, a rotating table 13, a first rotating drive member 11, a rotating shaft 30 and an arranging clamping plate 12. The placing platform 7 is provided with a mounting hole. One side of the first linear drive member 28 is mounted inside the mounting hole. The other side of the first linear drive member 28 is drivingly connected to one side of the rotating table 13. The lower part of the arranging clamping plate 12 is rotatably connected to the other side of the rotating table 13 through the rotating shaft 30. The first rotating drive member 11 is drivingly connected to the rotating shaft 30.

[0055] The finishing splint 12 is made of rubber material, which has good toughness and wear resistance;

[0056] A third slide bar 29 is provided on both sides of the first linear drive member 28, one side of the third slide bar 29 is fixedly connected to the rotating table 13, and the other side of the third slide bar 29 is slidably connected to the placement platform 7; this is conducive to making the rotating table 13 more stable when moving;

[0057] The first linear drive member 28 is an electric cylinder;

[0058] The first rotating driving member 11 is a stepping motor;

[0059] The removal assembly includes a second rotating driving member 10, a screw rod 9 and a slider 26. A slide groove is provided on the other side of the machine table 16. The screw rod 9 is rotatably connected in the slide groove. The slider 26 is rotatably connected to the slide groove. The screw rod 9 is passed through the slider 26. The slider 26 is fixedly connected to the bottom surface of the placement platform 7 and welded. The second rotating driving member 10 is drivingly connected to the screw rod 9.

[0060] The slider 26 is provided with a threaded hole adapted to the screw rod 9, and the screw rod 9 is passed through the threaded hole and meshes with each other;

[0061] The second rotating driving member 10 is a stepping motor;

[0062] The conveying mechanism includes a plurality of conveying rollers 27, a transmission assembly 20 and a third rotating driving member 21. A receiving groove is provided on one side of the machine table 16. A plurality of conveying rollers 27 are rotatably connected inside the receiving groove. The conveying rollers 27 are all connected to the transmission assembly 20. The third rotating driving member 21 is drivingly connected to the transmission assembly 20.

[0063] The outer surfaces of the conveying rollers 27 are covered with rubber sleeves, which are helpful to increase the friction between the conveying rollers 27 and the paperboard;

[0064] The transmission assembly 20 adopts a pulley transmission assembly 20;

[0065] The third rotating driving member 21 is a servo motor;

[0066] The pressing mechanism includes an installation bin 1 and a pressing assembly. The installation bin 1 is fixedly connected to one side of the machine platform 16 by welding. A plurality of pressing assemblies are arranged on the upper part of the installation bin 1. The pressing assemblies are arranged above the conveying mechanism.

[0067] The holding assembly includes a height adjustment assembly 3, a lifting plate 24 and an elastic holding member, wherein the height adjustment assembly 3 is connected to the upper portion of the installation bin 1, and the height adjustment assembly 3 is linearly drivenly connected to the upper portion of the lifting plate 24, and a plurality of collapse grooves are provided at the lower portion of the lifting plate 24, wherein one of the collapse grooves is provided with the elastic holding member;

[0068] A first slide bar 2 is respectively provided on both sides of the height adjustment assembly 3, one end of the first slide bar 2 is welded to the upper part of the lifting plate 24, and the upper part of the first slide bar 2 is slidably connected to the installation bin 1; this is conducive to making the lifting plate 24 more stable when lifting;

[0069] The height adjustment component 3 adopts an electric cylinder;

[0070] The elastic holding member includes a spring, a mounting rod 25, a rotating seat 23 and a pressure wheel 22. The spring is arranged inside the collapse groove. The upper part of the mounting rod 25 abuts against the outer surface of the spring and is slidably connected to the collapse groove. The lower part of the mounting rod 25 is fixedly mounted with the rotating seat 23, and the pressing wheel 22 is rotatably connected to the rotating seat 23.

[0071] A limit block is provided on the upper portion of the mounting rod 25, and the limit block is used to prevent the mounting rod 25 from being separated from the collapse groove;

[0072] The cross-cutting mechanism includes a gantry 14, a second linear drive member 4, a lifting platform 31, a cutter 19 and a cutting platform 6. The gantry 14 is installed in the middle of the machine platform 16 by bolts, and the cutting platform 6 is arranged below the gantry 14. The cutting platform 6 is fixedly connected to the middle of the machine platform 16 and welded. A lifting groove is arranged inside the gantry 14, and the lifting platform 31 is slidably connected to the lifting groove. The second linear drive member 4 is installed on the top of the gantry 14, and the second linear drive member 4 is linearly driven and connected to the lifting platform 31. The cutter 19 is detachably connected to the lifting platform 31 by bolts, and the cutter 19 and the cutting platform 6 are staggered.

[0073] A second slide bar 5 is respectively provided on both sides of the second linear drive member 4, one end of the second slide bar 5 is welded to the lifting platform 31, and the upper part of the second slide bar 5 is slidably connected to the gantry 14, which is conducive to making the lifting platform 31 more stable during lifting and lowering, and preventing the lifting platform 31 from tilting;

[0074] The second linear drive member 4 is a hydraulic cylinder;

[0075] It also includes a support frame 17, and the support frame 17 is fixedly installed on the bottom of the machine platform 16 by welding;

[0076] It also includes a controller 15, which is electrically connected to the conveying mechanism, the pressing mechanism, the cross-cutting mechanism and the finishing mechanism respectively;

[0077] The controller 15 is of model DATA-7311, and the controller 15 is electrically connected to the first linear drive 28, the first rotation drive 11, the second rotation drive 10, the third rotation drive 21, the height adjustment assembly 3 and the second linear drive 4 respectively.

[0078] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description and the drawings, and the specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0079] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A cardboard cross-cutting machine, characterized in that: It includes a machine platform, a conveying mechanism, a holding mechanism, a cross-cutting mechanism and a finishing mechanism. The conveying mechanism is arranged on one side of the machine platform, the holding mechanism is arranged above the conveying mechanism, the cross-cutting mechanism is arranged in the middle of the machine platform, and the finishing mechanism is arranged on the other side of the machine platform. The sorting mechanism includes a placement platform, a holding plate, a removal component and a sorting component. The removal component is installed on the other side of the machine, and the removal component is drivingly connected to the placement platform. The holding plate is provided on the side of the placement platform away from the cross-cutting mechanism, and a sorting component is provided on both sides of the placement platform.

2. The cardboard cross-cutting machine according to claim 1, characterized in that: The sorting assembly includes a first linear drive member, a rotating table, a first rotating drive member, a rotating shaft and a sorting clamp. A mounting hole is provided on the placement platform. One side of the first linear drive member is installed inside the mounting hole. The other side of the first linear drive member is drivingly connected to one side of the rotating table. The lower part of the sorting clamp is rotatably connected to the other side of the rotating table through the rotating shaft. The first rotating drive member is drivingly connected to the rotating shaft.

3. The cardboard cross-cutting machine according to claim 1, characterized in that: The conveying mechanism includes a plurality of conveying rollers, a transmission assembly and a third rotating driving member. A receiving groove is provided on one side of the machine. A plurality of conveying rollers are rotatably connected inside the receiving groove. The conveying rollers are all connected to the transmission assembly. The third rotating driving member is drivingly connected to the transmission assembly.

4. The cardboard cross-cutting machine according to claim 1, characterized in that: The pressing mechanism comprises an installation bin and a pressing assembly. The installation bin is fixedly connected to one side of the machine platform. A plurality of the pressing assemblies are arranged on the upper part of the installation bin. The pressing assemblies are all arranged above the conveying mechanism.

5. The cardboard cross-cutting machine according to claim 4, characterized in that: The holding assembly includes a height adjustment assembly, a lifting plate and an elastic holding piece. The height adjustment assembly is connected to the upper part of the installation bin. The height adjustment assembly is linearly driven connected to the upper part of the lifting plate. A plurality of collapse grooves are arranged at the lower part of the lifting plate. One of the elastic holding pieces is installed in the collapse groove.

6. The cardboard cross-cutting machine according to claim 5, characterized in that: The elastic pressing member includes a spring, a mounting rod, a rotating seat and a pressure wheel. The spring is arranged inside the collapse groove. The upper part of the mounting rod is pressed against the outer surface of the spring and is slidably connected to the collapse groove. The lower part of the mounting rod is fixedly mounted with the rotating seat, and the pressure wheel is rotatably connected to the rotating seat.

7. The cardboard cross-cutting machine according to claim 1, characterized in that: The cross-cutting mechanism includes a gantry, a second linear drive, a lifting platform, a cutter and a cutting platform. The gantry is installed in the middle of the machine, the cutting platform is arranged below the gantry, the cutting platform is fixedly connected to the middle of the machine, a lifting slot is arranged on the inner side of the gantry, the lifting platform is slidably connected to the lifting slot, the second linear drive is installed on the top of the gantry, the second linear drive is linearly driven and connected to the lifting platform, the cutter is detachably connected to the lifting platform, and the cutter and the cutting platform are staggered.

8. The cardboard cross-cutting machine according to claim 1, characterized in that: It also includes a support frame, and the support frame is fixedly installed on the bottom of the machine.

9. The cardboard cross-cutting machine according to claim 1, characterized in that: It also includes a controller, which is electrically connected to the conveying mechanism, the pressing mechanism, the cross-cutting mechanism and the sorting mechanism respectively.

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