Carton pre-pressing line pressing mechanism and carton forming machine
By introducing a lateral movement component and a telescopic drive component into the carton pre-pressing and creasing mechanism, the lateral position and height of the mounting base can be adjusted, solving the problem of warping during the carton pre-pressing process, improving the forming accuracy and processing efficiency of the carton, and making it suitable for the creasing needs of various carton specifications.
Patent Information
- Application Number
- CN202520166116.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing carton pre-pressing equipment is prone to deformation of the two sides of the carton when pre-pressing it, which affects the pre-pressing accuracy and the dimensional accuracy of the folded carton. In addition, the position of the pre-pressing roller needs to be changed frequently when changing products, which reduces the operating efficiency.
The carton pre-pressing and crease-pressing mechanism includes a frame, mounting base, pre-pressing rollers, and crease-pressing rollers. The mounting base is adjusted laterally by a lateral movement component. Combined with the first and second pressure rollers, the top surface of the cardboard is effectively pressed to prevent warping. The horizontal movement of the mounting base is achieved by using a rack, gear, and rotary drive component. The height is adjusted by a telescopic drive component to meet the crease-pressing requirements of different carton sizes.
It improves the precision of carton pre-pressing and forming, ensures the stability of cardboard position, and enhances processing efficiency and applicability, making it suitable for creasing processing of cartons of different specifications.
Smart Images

Figure CN223720310U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to carton line pressing technical field, more specifically, relate to a carton pre-pressing line pressing mechanism and carton forming machine. BACKGROUND
[0002] As a kind of widely used packaging product, carton can be divided into corrugated carton, single-layer paperboard box and other kinds according to different use materials.In addition, according to the different products needed to be packaged, carton can be made into many different specifications and models, which can be conveniently used in express, logistics and other transportation industries.In addition to protecting goods, facilitating transportation, carton can also beautify goods and promote goods.
[0003] In batch production of carton, the folded part needs to be pre-pressed to form an indentation, so that the carton can be easily and neatly folded along the crease during folding, avoiding misplacement and deformation during folding, thereby improving folding performance and ensuring the forming quality of carton.
[0004] At present, when pre-pressing carton, the downward pressure of pre-pressing wheel or line pressing wheel on carton is easy to cause the deformation of both sides of carton upward, which is easy to cause the horizontal movement of carton, affecting the pre-pressing accuracy, and further reducing the size accuracy of folded carton, resulting in high product rejection rate.The existing equipment needs to frequently change the position of pre-pressing wheel when changing products, which reduces the operation efficiency. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a carton pre-pressing line pressing mechanism and carton forming machine, which can accurately pre-press carton, facilitate to ensure the folding performance of carton, and help to improve processing efficiency.
[0006] To achieve the above purpose, the utility model adopts the technical scheme of providing a carton pre-pressing line pressing mechanism, which comprises a rack, a mounting seat, a pre-pressing wheel and a line pressing wheel, the rack has a horizontally extending upper cross beam and a first rubber shaft and a second rubber shaft located below the upper cross beam, the mounting seat is slidably connected to the upper cross beam through a transverse moving assembly, the pre-pressing wheel and the line pressing wheel are rotatably connected to the mounting seat, and the line pressing wheel is located on the discharge side of the pre-pressing wheel, the first rubber shaft is arranged in correspondence with the pre-pressing wheel, and the second rubber shaft is arranged in correspondence with the line pressing wheel, and the first rubber shaft and the second rubber shaft are used to support paperboard and drive paperboard to move horizontally.
[0007] Among them, first pressure wheel and second pressure wheel are further rotatably connected on the mounting seat, the first pressure wheel is coaxially arranged with the pre-pressing wheel, and the second pressure wheel is coaxially arranged with the line pressing wheel.
[0008] In a possible implementation, the horizontal moving assembly comprises a rack, a gear and a rotating driving member, the rack is connected to the upper cross beam, the gear is rotationally connected to the mounting base and engaged with the rack, and the rotating driving member is connected to the mounting base and used to drive the gear to rotate so as to move the mounting base horizontally along the upper cross beam.
[0009] In a possible implementation, the upper cross beam is further provided with a sliding guide rail, and the mounting base is provided with a guide sliding block in sliding cooperation with the sliding guide rail.
[0010] In some embodiments, two sliding guide rails are provided in the up-down direction, and two guide sliding blocks are provided in one-to-one correspondence with the two sliding guide rails.
[0011] In a possible implementation, the mounting base is connected with a downward extending telescopic driving member, and the pre-pressing wheel, the line pressing wheel, the first pressing wheel and the second pressing wheel are rotationally connected to the telescopic ends of the telescopic driving member respectively.
[0012] In some embodiments, two telescopic driving members are provided, and the output ends of each telescopic driving member are connected with a mounting vertical plate respectively, the pre-pressing wheel and the first pressing wheel are rotationally connected to one of the mounting vertical plates through a first shaft, and the line pressing wheel and the second pressing wheel are rotationally connected to the other mounting vertical plate through a second shaft.
[0013] In a possible implementation, a plurality of mounting bases are provided in the direction of the upper cross beam, and the pre-pressing wheel and the line pressing wheel are rotationally connected below each mounting base, and the pre-pressing wheel and the line pressing wheel are located on the side of the mounting base close to the central axis of the rack.
[0014] In a possible implementation, the first pressing wheel and the pre-pressing wheel are located on the two sides of the mounting base respectively, and the second pressing wheel and the line pressing wheel are located on the two sides of the mounting base respectively.
[0015] In some embodiments, the thickness of the pre-pressing wheel is equal to the thickness of the line pressing wheel, the outer peripheral wall of the pre-pressing wheel is outwardly arc-shaped, the line pressing wheel is provided with a circumferentially extending line pressing convex ring, the line pressing convex ring is located in the axial middle part of the line pressing wheel, and the cross section of the line pressing convex ring is semicircular.
[0016] Compared with the prior art, the scheme shown in the embodiments of the application can install the mounting base on the upper cross beam through the horizontal moving assembly, the mounting base can drive the hydraulic wheel and the line pressing wheel to adjust the horizontal position under the action of the horizontal moving assembly, the line pressing positions of different specifications of cartons can be conveniently processed, the first pressing wheel and the second pressing wheel provided on the mounting base can effectively press against the top surface of the paperboard, the problem of warping of the paperboard caused by stress during the line pressing process is avoided, the position stability of the paperboard is ensured, the dimensional accuracy of the line pressing is improved, and the forming accuracy of the subsequent carton is ensured.
[0017] This utility model also provides a carton forming machine, which includes a carton pre-pressing and creasing mechanism. This carton forming machine utilizes a first pressure roller and a second pressure roller mounted on a mounting base to effectively press the top surface of the cardboard, preventing the cardboard from warping due to force during the creasing process, ensuring the positional stability of the cardboard, improving the dimensional accuracy of the creasing, and thus ensuring the subsequent carton forming accuracy. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the structure of the carton pre-pressing and crease-pressing mechanism provided in an embodiment of the present utility model;
[0020] Figure 2 This is an embodiment of the present utility model. Figure 1 A schematic diagram of the left-side cross-sectional structure of the pre-pressing and crease-pressing mechanism for the carton;
[0021] Figure 3 This is an embodiment of the present utility model. Figure 1 A partially enlarged schematic diagram of the pre-pressing and creasing mechanism for cartons from another angle.
[0022] The following are the labeling elements in the figure:
[0023] 1. Frame; 11. Upper crossbeam; 12. First adhesive shaft; 13. Second adhesive shaft; 2. Mounting base; 3. Pre-pressing roller; 4. Pressing roller; 41. Pressing ring; 5. Horizontal movement assembly; 51. Rack; 52. Gear; 53. Rotary drive component; 54. Sliding guide rail; 55. Guide slider; 6. First pressure roller; 7. Second pressure roller; 8. Telescopic drive component; 81. Mounting plate; 82. First shaft; 83. Second shaft. Detailed Implementation
[0024] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0025] It should be noted that when an element is referred to as being "disposed on" another element, it can be directly on the other element or indirectly on the other element. It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer" and the like refer to the orientation or position shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. In the description of the present application, the meaning of "several" is two or more than two, unless otherwise specifically limited.
[0026] Please refer to Figures 1 to 3 The paper box pre-pressing line mechanism provided by the present application will be described. The paper box pre-pressing line mechanism comprises a rack 1, a mounting seat 2, a pre-pressing wheel 3 and a line pressing wheel 4. The rack 1 has a horizontally extending upper cross beam 11 and a first rubber shaft 12 and a second rubber shaft 13 located below the upper cross beam 11. The mounting seat 2 is slidably connected to the upper cross beam 11 by a transverse moving assembly 5. The pre-pressing wheel 3 and the line pressing wheel 4 are rotatably connected to the mounting seat 2, and the line pressing wheel 4 is located on the discharge side of the pre-pressing wheel 3. The first rubber shaft 12 is arranged in correspondence with the pre-pressing wheel 3, and the second rubber shaft 13 is arranged in correspondence with the line pressing wheel 4. The first rubber shaft 12 and the second rubber shaft 13 are used to support the paperboard and drive the paperboard to move horizontally.
[0027] Among them, the first pressing wheel 6 and the second pressing wheel 7 are rotatably connected to the mounting seat 2. The first pressing wheel 6 is coaxially arranged with the pre-pressing wheel 3, and the second pressing wheel 7 is coaxially arranged with the line pressing wheel 4.
[0028] Compared with the prior art, the paper box pre-pressing line mechanism provided by the present embodiment can install the mounting seat 2 on the upper cross beam 11 through the transverse moving assembly 5. The mounting seat 2 can drive the hydraulic wheel and the line pressing wheel 4 to adjust the horizontal position under the action of the transverse moving assembly 5, which is convenient for processing the line pressing position of paper boxes of different specifications. The first pressing wheel 6 and the second pressing wheel 7 arranged on the mounting seat 2 can effectively press against the top surface of the paperboard, avoiding the problem of paperboard lifting caused by stress during line pressing, ensuring the position stability of the paperboard, improving the size accuracy of line pressing, and further ensuring the forming accuracy of the subsequent paper box.
[0029] In the embodiment, the paperboard is fed from the feeding end of the frame 1 and located above the first rubber shaft 12 and the second rubber shaft 13. The first rubber shaft 12 and the second rubber shaft 13 are connected with driving members, which can drive the paperboard to gradually contact the pre-pressing wheel 3 and the line pressing wheel 4, so as to facilitate the line pressing on the paperboard to form a groove structure with a certain depth.
[0030] In a possible implementation, referring to Figures 1 to 3 , the transverse moving assembly 5 comprises a rack 51, a gear 52 and a rotary driving member 53. The rack 51 is connected to the upper cross beam 11. The gear 52 is rotatably connected to the mounting seat 2 and engages with the rack 51. The rotary driving member 53 is connected to the mounting seat 2 and is used to drive the gear 52 to rotate so as to move the mounting seat 2 horizontally along the upper cross beam 11.
[0031] In the embodiment, the rotary driving member 53 can drive the gear 52 to rotate, and then the engagement of the gear 52 and the rack 51 can move the mounting seat 2 leftward and rightward along the upper cross beam 11, so as to adjust the transverse positions of the pre-pressing wheel 3 and the line pressing wheel 4, meet the line pressing requirements of different positions of paperboards with different specifications, and be applicable to the line pressing treatment of cartons with different specifications, and have good applicability. The above structure facilitates the adjustment of the transverse position of the mounting seat 2 and improves the convenience of adjustment.
[0032] In a possible implementation, referring to Figures 1 to 3 , the upper cross beam 11 is further provided with sliding rails 54, and the mounting seat 2 is provided with guide sliding blocks 55 which are in sliding cooperation with the sliding rails 54. The sliding rails 54 are spaced apart in the up-down direction, and the guide sliding blocks 55 are also provided with two guide sliding blocks which are correspondingly arranged with the two sliding rails 54. The sliding rails 54 on the upper cross beam 11 can slide with the guide sliding blocks 55 on the mounting seat 2, so as to ensure that the mounting seat 2 can move smoothly transversely along the upper cross beam 11, and avoid the position jamming in the engagement process of the gear 52 and the rack 51.
[0033] Specifically, the sliding rails 54 and the guide sliding blocks 55 are respectively provided with two sliding rails and two guide sliding blocks which are spaced apart in the up-down direction, and the two guide sliding blocks 55 and the two sliding rails 54 can be correspondingly matched to realize reliable guiding.
[0034] In a possible implementation, referring to Figures 1 to 3 , the mounting seat 2 is connected with a downwardly extending telescopic driving member 8, and the pre-pressing wheel 3, the line pressing wheel 4, the first pressing wheel 6 and the second pressing wheel 7 are respectively rotatably connected to the telescopic ends of the telescopic driving member 8. The telescopic driving member 8 can adjust the height positions of the pre-pressing wheel 3, the line pressing wheel 4, the first pressing wheel 6 and the second pressing wheel 7, and can correspond to paperboards with different thicknesses to meet the line pressing requirements of different depths. The telescopic driving member 8 can adopt a pneumatic cylinder or a hydraulic cylinder, has advantages of accurate adjustment, convenience and quickness, and can be applicable to the line pressing requirements of paperboards with different specifications.
[0035] In some embodiments, referring to Figures 1 to 3 , the telescopic driving member 8 is provided with two, and each output end of the telescopic driving member 8 is connected with a mounting stand 81. The pre-pressing wheel 3 and the first pressing wheel 6 are rotationally connected to one of the mounting stands 81 through a first shaft 82, and the line pressing wheel 4 and the second pressing wheel 7 are rotationally connected to the other mounting stand 81 through a second shaft 83. The first pressing wheel 6 and the pre-pressing wheel 3 are respectively located on both sides of the mounting seat 2, and the second pressing wheel 7 and the line pressing wheel 4 are respectively located on both sides of the mounting seat 2.
[0036] In this embodiment, the telescopic driving member 8 is provided with two along the conveying direction of the paperboard, which can be used to install the pre-pressing wheel 3 and the line pressing wheel 4 respectively. The mounting stand 81 is connected to the output end of the telescopic driving member 8, the first shaft 82 penetrates one of the mounting stands 81 along the horizontal direction and rotationally cooperates with the mounting stand 81, and the second shaft 83 penetrates the other mounting stand 81 along the horizontal direction and rotationally cooperates with the mounting stand 81.
[0037] Specifically, the first pressing wheel 6 and the pre-pressing wheel 3 are respectively connected to both ends of the first shaft 82, so that the downward pressing force of both ends of the first shaft 82 on the paperboard is relatively balanced. Similarly, the second pressing wheel 7 and the line pressing wheel 4 are respectively installed at both ends of the second shaft 83, so that the downward pressing force of both ends of the second shaft 83 on the paperboard is relatively balanced.
[0038] In a possible implementation, referring to Figures 1 to 3 , the mounting seat 2 is provided with a plurality of mounting seats 2 along the running direction of the upper cross beam 11, and each mounting seat 2 is rotationally connected with the pre-pressing wheel 3 and the line pressing wheel 4 below. The pre-pressing wheel 3 and the line pressing wheel 4 are located on the side of the mounting seat 2 close to the central axis of the rack 1. By providing a plurality of mounting seats 2, a plurality of groups of pre-pressing wheels 3 and line pressing wheels 4 can be correspondingly provided, thereby synchronously pressing the line at different positions on the paperboard in the transverse direction, which helps to improve the line pressing efficiency and ensure the line pressing precision.
[0039] In some embodiments, referring to Figures 1 to 3 , the thickness of the pre-pressing wheel 3 is equal to the thickness of the line pressing wheel 4, the outer peripheral wall of the pre-pressing wheel 3 is outwardly arc-shaped, the line pressing wheel 4 is provided with a circumferentially extending line pressing convex ring 41, the line pressing convex ring 41 is located at the axial middle part of the line pressing wheel 4, and the cross section of the line pressing convex ring 41 is semicircular.
[0040] In the embodiment, the thicknesses of the pre-pressing wheel 3 and the line-pressing wheel 4 are equal, that is, the sizes in the axial direction are consistent, so that the paperboard has consistency in the pre-pressing and line-pressing processes. The arc-shaped protrusions on the outer periphery of the pre-pressing wheel 3 are used to form a pre-pressing effect on the surface of the paperboard, so that the paperboard forms a corresponding concave region. On this basis, the line-pressing protruding ring 41 on the line-pressing wheel 4 is used to further lower the pressure on the above-mentioned concave region, so that the concave region forms a groove region. The line-pressing protruding ring 41 is semicircular, and the diameter of the semicircle is smaller than the thickness size of the line-pressing wheel 4, so as to facilitate the formation of an arc-shaped groove, meet the line-pressing requirements, and facilitate the subsequent folding of the paperboard into a carton.
[0041] Based on the same inventive concept, the embodiment of the present application also provides a carton forming machine. The carton forming machine comprises the carton pre-pressing and line-pressing mechanism. The carton forming machine has the carton pre-pressing and line-pressing mechanism for line-pressing the paperboard. The mounting seat 2 is installed on the upper cross beam 11 through the transverse moving assembly 5. The mounting seat 2 can drive the hydraulic wheel and the line-pressing wheel 4 to adjust the transverse position under the action of the transverse moving assembly 5, so as to facilitate the processing of the line-pressing positions of different specifications of cartons. The first pressing wheel 6 and the second pressing wheel 7 arranged on the mounting seat 2 can effectively press against the top surface of the paperboard, so as to avoid the problem of warping of the paperboard caused by stress during the line-pressing process, ensure the position stability of the paperboard, improve the size accuracy of the line-pressing, and further ensure the forming accuracy of the subsequent carton.
[0042] The above is only a preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A carton pre-press line mechanism, characterized by, The device comprises a frame (1), a mounting base (2), a pre-pressing wheel (3) and a pressing wheel (4), the frame (1) has a horizontally extending upper beam (11), a first rubber shaft (12) and a second rubber shaft (13) below the upper beam (11), the mounting base (2) is slidably connected to the upper beam (11) through a horizontal moving assembly (5), the pre-pressing wheel (3) and the pressing wheel (4) are rotatably connected to the mounting base (2) respectively, and the pressing wheel (4) is located on the discharging side of the pre-pressing wheel (3), the first rubber shaft (12) is arranged in correspondence with the pre-pressing wheel (3) up and down, and the second rubber shaft (13) is arranged in correspondence with the pressing wheel (4) up and down. The mounting base (2) is further rotatably connected with a first pressing wheel (6) and a second pressing wheel (7), the first pressing wheel (6) is coaxially arranged with the pre-pressing wheel (3), and the second pressing wheel (7) is coaxially arranged with the pressing wheel (4).
2. The carton pre-press score mechanism of claim 1, wherein, The horizontal moving assembly (5) comprises a rack (51), a gear (52) and a rotary driving member (53), the rack (51) is connected to the upper beam (11), the gear (52) is rotatably connected to the mounting base (2) and engaged with the rack (51), and the rotary driving member (53) is connected to the mounting base (2) and used for driving the gear (52) to rotate so as to move the mounting base (2) horizontally along the upper beam (11).
3. The carton pre-press score mechanism of claim 2, wherein, The upper beam (11) is further provided with sliding rails (54), and the mounting base (2) is provided with guide sliding blocks (55) slidably matched with the sliding rails (54).
4. The carton pre-press score mechanism of claim 3, wherein, The sliding rails (54) are arranged in correspondence with each other in the up-down direction, and the guide sliding blocks (55) are also arranged in correspondence with each other in the up-down direction.
5. The carton pre-press score mechanism of claim 1 wherein, The mounting base (2) is connected with a downward extending telescopic driving member (8), the pre-pressing wheel (3), the pressing wheel (4), the first pressing wheel (6) and the second pressing wheel (7) are rotatably connected to the telescopic end of the telescopic driving member (8) respectively.
6. The carton pre-press score mechanism of claim 5, wherein, The telescopic driving member (8) is provided with two, and the output end of each telescopic driving member (8) is connected with a mounting vertical plate (81), the pre-pressing wheel (3) and the first pressing wheel (6) are rotatably connected to one of the mounting vertical plates (81) through a first shaft (82), and the pressing wheel (4) and the second pressing wheel (7) are rotatably connected to the other mounting vertical plate (81) through a second shaft (83).
7. The carton pre-press score mechanism of any one of claims 1-6, wherein, The mounting base (2) is arranged in correspondence with each other along the direction of the upper beam (11), and the pre-pressing wheel (3) and the pressing wheel (4) are rotatably connected below each mounting base (2), and the pre-pressing wheel (3) and the pressing wheel (4) are located on the side of the mounting base (2) close to the central shaft of the frame (1).
8. The carton pre-press score mechanism of any one of claims 1-6, wherein, The first pressing wheel (6) and the pre-pressing wheel (3) are located on the two sides of the mounting base (2) respectively, and the second pressing wheel (7) and the pressing wheel (4) are located on the two sides of the mounting base (2) respectively.
9. The carton pre-press score mechanism of claim 8, wherein, The thickness of the pre-pressing wheel (3) is equal to the thickness of the line-pressing wheel (4), the outer peripheral wall of the pre-pressing wheel (3) is outwardly arc-shaped, the line-pressing wheel (4) is provided with a circumferentially extending line-pressing convex ring (41), the line-pressing convex ring (41) is located at the axial middle part of the line-pressing wheel (4), and the cross section of the line-pressing convex ring (41) is semicircular.
10. A carton forming machine characterised in that, The carton forming machine comprises the carton pre-pressing and line-pressing mechanism according to any one of claims 1-9.