Compression resistance quality detection equipment for packaging box production

Abstract

The compression resistance quality detection equipment comprises a workbench and a downward pressing detection mechanism installed on the workbench, the top face of the workbench is provided with a through opening, the inner side of the through opening is provided with a supporting disc used for containing a to-be-detected packaging box, and the bottom of the supporting disc is provided with a first telescopic cylinder; a detection mechanism is arranged on the top face of the supporting disc. A telescopic rod of the first telescopic cylinder penetrates through the supporting disc and is connected with the detection mechanism. A two-degree-of-freedom rotating mechanism connected with the supporting disc is arranged in the workbench, and the two-degree-of-freedom rotating mechanism can drive the supporting disc and the packaging box to rotate and incline in the through opening; the industrial camera is driven by the iris structure assembly and the first telescopic cylinder to move in the vertical direction of the disc face of the supporting disc to shoot the compression deformation condition of the packaging box, the two-degree-of-freedom rotating mechanism can drive the packaging box to rotate and incline, and therefore extrusion testing is conducted on the multiple sides of the packaging box through the downward pressing detection mechanism; therefore, the comprehensiveness, accuracy and efficiency of detection are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging box detection, and particularly to a compressive quality detection device for packaging box production. Background Art

[0002] With the rapid development of the logistics industry, there is an increasing need for safe and reliable protection of long-distance transported items. As an indispensable part of modern logistics, packaging boxes undertake the important responsibility of containing and protecting products. Corrugated cardboard and corrugated cartons account for the largest proportion of the packaging materials we currently use, and their performance directly affects the protection ability of the packaged products. Unqualified cartons may lead to damage and deformation of the packaged products. Therefore, the compressive strength of cartons is crucial. In addition, during transportation, the packaging cartons used as the outer packaging of items may be stacked in several layers, and the braking and turning during automobile transportation will cause the inner packaging cartons to bear extrusion from different directions. This requires that the packaging cartons have a certain extrusion resistance performance. During long-distance transportation for several days or dozens of days, the cartons undertake the important task of protecting products. Therefore, it is particularly important to conduct extrusion performance tests on multiple aspects of the packaging cartons before transportation.

[0003] When conducting compressive tests on packaging cartons, the existing method is to judge their compressive and damaged degrees by the single compressive value of the detection equipment and manually observing the packaging cartons after extrusion deformation. However, due to factors such as incomplete detection data and inaccurate manual judgment, the detection results are inaccurate, making it impossible to understand in detail the compressive damage degree of the packaging cartons, which is not conducive to the subsequent use and stacking of the packaging cartons. In addition, the existing compressive detection equipment cannot extrude the sides of the packaging cartons and detect their bearing strength, resulting in incomplete detection of the packaging cartons.

[0004] Chinese Patent CN118583650A discloses a packaging box extrusion test device, including: a conveying module for intermittently conveying the packaging box; a U-shaped frame installed in the middle of the upper end of the conveying module, with a rectangular groove provided in the middle of the U-shaped frame; an extrusion module installed in the middle of the upper end of the U-shaped frame for extruding the packaging box; two moving modules respectively installed on the left and right side surfaces of the U-shaped frame; and a testing module installed between the two moving modules for detecting the deformation of the side surfaces and rib edges of the extruded packaging box. This invention realizes the function of detecting the deformation of the side surfaces and rib edges of the packaging box. However, in this invention, only the pressure detection of the packaging cartons in a horizontal state can be carried out, so it is impossible to complete the extrusion and compressive detection of multiple sides of the packaging box, resulting in one-sidedness of the packaging box detection and limitations of the detection results. Summary of the Invention

[0005] The object of the present invention is to solve the problems existing in the compressive strength detection of packaging cartons in the above-mentioned background technology. The present invention provides a compressive strength quality detection device for the production of packaging boxes to conduct a more comprehensive compressive strength quality detection on the packaging cartons.

[0006] The present invention achieves the above object through the following technical solutions: A compressive strength quality detection device for the production of packaging boxes includes a workbench and a downward pressure detection mechanism installed on the workbench. A through hole is opened on the top surface of the workbench, and a support plate for placing the packaging box to be detected is provided inside the through hole. A plurality of first telescopic cylinders are installed at the bottom of the support plate. A detection mechanism for detecting the deformation of the side surface of the compressed packaging box is provided on the top surface of the support plate. The telescopic rod of the first telescopic cylinder penetrates through the support plate and is connected to the detection mechanism to drive the detection mechanism outside the packaging box to move in the vertical direction of the support plate surface; A two-degree-of-freedom rotation mechanism connected to the support plate is provided inside the workbench, and the two-degree-of-freedom rotation mechanism can drive the support plate and the packaging box to rotate and tilt in the through hole.

[0007] Further, the downward pressure detection mechanism includes a cross frame mounted on the workbench. A cylinder is installed on the top surface of the cross frame. The output end of the cylinder is connected with a downward pressure beam. The downward pressure beam is slidably installed inside the cross frame through a guide rod. A lower pressing plate is provided below the downward pressure beam. The lower pressing plate is connected to the downward pressure beam through a balance guide frame. A pressure sensor is provided between the downward pressure beam and the lower pressing plate.

[0008] Further, the detection mechanism includes an iris structure assembly. The iris structure assembly includes a chassis connected to one end of the telescopic rod of the first telescopic cylinder. A limit ring is fixedly connected to the top surface of the chassis. A toothed ring is rotatably provided inside the limit ring. Four internal tooth segments are equally spaced at equal angles on the inner wall of the toothed ring. A positioning pin is provided on one side of each internal tooth segment. A first gear meshing with the internal tooth segment is rotatably installed on the positioning pin. An iris vane is provided on one side of the first gear. A sliding groove is opened on the iris vane. A limit pin for limiting the movement of the iris vane is provided inside the sliding groove. A rack meshing with the first gear is provided on the outer side surface of the iris vane; An external tooth segment is provided on the outer wall of the toothed ring. A first motor is provided on one side of the external tooth segment. The first motor is installed on the chassis. The output end of the first motor is connected with a second gear meshing with the external tooth segment; A top plate is provided on the top surface of the limit ring.

[0009] Further, the detection mechanism further includes a detection component installed inside the iris structure assembly. The detection component includes an industrial camera installed on the side surface of the iris vane. An installation groove is formed on the side surface of the iris vane near the center position of the support disk. The industrial camera is installed in the installation groove and is connected to an external image processing system.

[0010] Further, the two-degree-of-freedom rotation mechanism includes a mounting frame. A T-shaped rotating shaft seat is rotatably installed on the mounting frame. A first rotating rod is rotatably provided on the rotating shaft seat. A first bevel gear is fixedly provided on the first rotating rod. A rotating rod fixedly connected to the first rotating rod is provided on one side of the first bevel gear. One end of the rotating rod is fixedly connected to the bottom of the support disk. A second rotating rod is rotatably provided inside the rotating shaft seat. A second bevel gear meshing with the first bevel gear is fixedly connected to the top end of the second rotating rod. A first worm gear is fixedly connected to the outer side surface of the bottom of the rotating shaft seat. A second worm gear is fixedly connected to the bottom of the second rotating rod.

[0011] Further, a driving component is installed on one side of the mounting frame. The driving component includes a first worm rotatably installed on the mounting frame and drivingly connected to the first worm gear. A second motor is provided on one side of the mounting frame. The output end of the second motor is connected to the first worm. A second worm rotatably installed on the mounting frame and drivingly connected to the second worm gear is provided on the mounting frame on the opposite side of the first worm. A third motor is provided on one side of the second worm. The output end of the third motor is connected to the second worm.

[0012] Further, electric push rods are symmetrically installed on the top surface of the support disk. One end of the telescopic rod of the electric push rod is connected with a clamping plate for clamping the packing box. The electric push rods and the clamping plates are both located in the avoidance grooves at the bottom of the chassis.

[0013] Further, the through hole is circular, the support disk is disk-shaped, and four of the first telescopic cylinders are equiangularly installed at the bottom of the support disk.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] 1. During the compressive strength test of the packing box in the present invention, the iris structure assembly and the first telescopic cylinder are used to drive the industrial camera to move in the vertical direction of the support disk surface to photograph the deformation of the packing box under pressure, and the image is transmitted to an external image processing system, so as to provide the damage degree and damage change situation of the packing box in the compressive strength test. Among them, the iris vane can drive the industrial camera to adjust the distance relative to the packing box, so that the damage situation of the packing box can be accurately obtained, and the detection efficiency and automation degree are improved.

[0016] 2. The two-degree-of-freedom rotation mechanism can drive the packing box to rotate and tilt, so as to use the downward pressing detection mechanism to perform extrusion tests on multiple sides of the packing box, and continue to judge the damage degree of the packing box when the sides of the packing box are extruded through the detection mechanism. In addition, during the detection, by rotating in the vertical direction, the inaccuracy or error caused by fixed position or single pressing direction during the test is avoided, thereby improving the comprehensiveness, accuracy and efficiency of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0018] Figure 2 is a schematic diagram of the downward pressing detection mechanism in the present invention;

[0019] Figure 3 is a schematic diagram of the iris structure component in the present invention;

[0020] Figure 4 is a schematic diagram of an industrial camera installed on the iris vane in the present invention;

[0021] Figure 5 is an exploded view of the support disk, the electric push rod and the detection mechanism in the present invention;

[0022] Figure 6 is a schematic diagram of the detection mechanism, the support disk and the two-degree-of-freedom rotation mechanism in the present invention;

[0023] Figure 7 is an exploded view of the two-degree-of-freedom rotation mechanism in the present invention;

[0024] Figure 8 is a schematic diagram of the present invention for downward pressing detection of a horizontally placed packing box;

[0025] Figure 9 is a schematic diagram of the present invention for downward pressing detection of an inclined packing box.

[0026] In the figure: 1 - workbench, 2 - downward pressing detection mechanism, 3 - through hole, 4 - support disk, 5 - first telescopic cylinder, 6 - detection mechanism, 7 - two-degree-of-freedom rotation mechanism, 8 - iris structure component, 9 - drive component, 10 - electric push rod, 11 - clamping plate;

[0027] 21 - cross frame, 22 - cylinder, 23 - downward pressing beam, 24 - downward pressing plate, 25 - balance guiding frame, 26 - pressure sensor; 61 - industrial camera;

[0028] 71 - mounting rack, 72 - rotating shaft seat, 73 - first rotating rod, 74 - first bevel gear, 75 - rotating rod, 76 - second rotating rod, 77 - second bevel gear, 78 - first worm gear, 79 - second worm gear;

[0029] 81 - Chassis, 82 - Limit ring, 83 - Tooth ring, 84 - First gear, 85 - Iris vane, 86 - Limit pin, 87 - First motor, 88 - Second gear, 89 - Top plate, 831 - Inner tooth section, 832 - Outer tooth section, 851 - Chute, 852 - Rack, 853 - Installation groove;

[0030] 91 - First worm, 92 - Second motor, 93 - Second worm, 94 - Third motor. Specific embodiments

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to 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 efforts shall fall within the protection scope of the present invention.

[0032] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

[0033] Embodiment 1

[0034] Combined with Figures 1 to 9 As shown in a compressive quality detection device for the production of packaging boxes, including a workbench 1 and a downward pressure detection mechanism 2 installed on the workbench 1. A through hole 3 is opened on the top surface of the workbench 1. A support plate 4 for placing the packaging box to be detected is provided inside the through hole 3. A plurality of first telescopic cylinders 5 are installed at the bottom of the support plate 4. A detection mechanism 6 for detecting the deformation of the side surface of the compressed packaging box is provided on the top surface of the support plate 4. The telescopic rod of the first telescopic cylinder 5 penetrates through the support plate 4 and is connected to the detection mechanism 6 to drive the detection mechanism 6 outside the packaging box to move in the vertical direction of the support plate 4. A two-degree-of-freedom rotation mechanism 7 connected to the support plate 4 is provided inside the workbench 1. The two-degree-of-freedom rotation mechanism 7 can drive the support plate 4 and the packaging box to rotate and tilt in the through hole 3. Electric push rods 10 are symmetrically installed on the top surface of the support plate 4. One end of the telescopic rod of the electric push rod 10 is connected with a clamping plate 11 for clamping the packaging box. The electric push rods 10 and the clamping plates 11 are both located in the avoidance groove at the bottom of the chassis 81. The through hole 3 is circular, the support plate 4 is disc-shaped, and four first telescopic cylinders 5 are equiangularly installed at the bottom of the support plate 4;

[0035] Referring to Figure 1 、 Figure 5 and Figure 8 As shown, when performing the compressive strength test on the packing box, first place the packing box at the center position of the support plate 4, then start the two electric push rods 10 on the top surface of the support plate 4 to clamp the packing box by means of the clamping plates 11, and then start the downward pressing test mechanism 2 to extrude the packing box. When the packing box is extruded to the limit and collapses and depresses, start the first telescopic cylinder 5 to drive the test mechanism 6 to move in the vertical direction of the support plate 4 surface, so as to measure the degree of collapse and depression of the packing box.

[0036] Specifically, referring to Figure 2 As shown, the downward pressing test mechanism 2 includes a cross frame 21 mounted on the workbench 1. A cylinder 22 is installed on the top surface of the cross frame 21. The output end of the cylinder 22 is connected with a downward pressing beam 23. The downward pressing beam 23 is slidably installed inside the cross frame 21 through a guide rod. A lower pressing plate 24 is arranged below the downward pressing beam 23. The lower pressing plate 24 is connected with the downward pressing beam 23 through a balance guide frame 25. A pressure sensor 26 is arranged between the downward pressing beam 23 and the lower pressing plate 24. During use, the cylinder 22 pushes the downward pressing beam 23 to move downward. The downward pressing beam 23 drives the lower pressing plate 24 to move downward together to extrude the packing box under the guidance of the guide rod. During the extrusion process, the balance guide frame 25 plays a balancing role on the lower pressing plate 24. Among them, the four spring assemblies in the balance guide frame 25 can provide an adjustable elastic force, making the downward pressing action more stable and controllable, which helps to protect the pressure sensor 26. The pressure sensor 26 will detect the pressure value applied to the carton in real time and convert the pressure signal into an electrical signal and transmit it to the externally connected control system. When the packing box is extruded and collapses, the control system can obtain the maximum compressive strength value of the packing box and pause the downward pressing.

[0037] The detection mechanism 6 includes an iris structure component 8. The iris structure component 8 includes a chassis 81 connected to one end of the telescopic rod of the first telescopic cylinder 5. A limiting ring 82 is fixedly connected to the top surface of the chassis 81. A toothed ring 83 is rotatably provided inside the limiting ring 82. Four inner toothed sections 831 are equally spaced at equal angles on the inner wall of the toothed ring 83. A positioning pin is provided on one side of each inner toothed section 831. A first gear 84 meshing with the inner toothed section 831 is rotatably installed on the positioning pin. An iris vane 85 is provided on one side of the first gear 84. A chute 851 is provided on the iris vane 85. A limiting pin 86 for limiting the movement of the iris vane 85 is provided in the chute 851. A rack 852 meshing with the first gear 84 is provided on the outer side surface of the iris vane 85. An outer toothed section 832 is provided on the outer wall of the toothed ring 83. A first motor 87 is provided on one side of the outer toothed section 832. The first motor 87 is installed on the chassis 81. The output end of the first motor 87 is connected with a second gear 88 meshing with the outer toothed section 832. A top plate 89 is provided on the top surface of the limiting ring 82.

[0038] Specifically, referring to Figure 3 As shown, when performing compressive testing on the packaging box, for packaging boxes of different sizes, first place the packaging box in the placement space of the iris structure component 8, and then start the first motor 87 to drive the second gear 88 to rotate. The first motor 87 is embedded in the chassis 81, the output end of the first motor 87 is connected with the second gear 88, and the second gear 88 drives the toothed ring 83 to rotate through the outer toothed section 832. The rotating toothed ring 83 drives the first gears 84 on one side to rotate respectively through the four inner toothed sections 831. Subsequently, the rotating first gears 84 drive the iris vanes 85 to move respectively through the racks 852. When the iris vanes 85 move, the chutes thereof limit the movement of the iris vanes 85 under the action of the limiting pins 86, so that the sizes of the placement spaces at the central positions can be controlled when the four iris vanes 85 move. Thus, when the four iris vanes 85 move and the placement space shrinks, the iris vanes 85 will push the packaging box in the placement space to move, and finally make the packaging boxes of different sizes move towards the central position close to the support plate 4. Subsequently, the two electric push rods 10 can be started and the packaging box can be clamped and positioned by the clamping plates.

[0039] Referring to Figure 4 As shown, the detection mechanism 6 further includes a detection component installed inside the iris structure component 8. The detection component includes an industrial camera 61 installed on the side surface of the iris vane 85. An installation groove 853 is provided on the side surface of the iris vane 85 close to the central position of the support plate 4. The industrial camera 61 is installed in the installation groove 853. The industrial camera 61 is connected to an external image processing system. The industrial camera 61 can adopt a CCD camera or a CMOS industrial camera, and Figure 4Three industrial cameras 61 are installed in the installation groove 853, and the number of industrial cameras 61 can be adjusted according to the size of the specific packing box during specific use;

[0040] Specifically, referring to Figure 8 As shown, when performing compressive testing on a packing box in the horizontal direction, the packing box is clamped by two electric push rods 10 and clamping plates 11, and then the downward pressure testing mechanism 2 is activated to extrude the packing box. During the extrusion of the packing box, the movement of the iris vane 85 can be finally driven by starting the first motor 87, so as to adjust the distance between the iris vane 85 and the industrial camera 61 thereon and the packing box; specifically, when the industrial camera 61 is close to the packing box, the deformation condition of the side of the packing box during extrusion can be photographed more clearly, and when the industrial camera 61 is far from the packing box, a larger range can be photographed; moreover, the first telescopic cylinder 5 can be activated to drive the iris structure assembly 8 and the industrial camera 61 to reciprocate vertically on the disk surface of the support disk 4. The industrial camera 61 can photograph the deformation condition of the packing box in real time and transmit the image to an external image processing system. Through image analysis, it can be clearly seen whether the packing box has excessive deformation or rupture, and thus the damage degree and damage change condition of the packing box during the compressive test can be provided; in addition, when the packing box is extruded and collapsed, after the pressure control system obtains the maximum compressive value of the packing box and pauses the downward pressure, the shooting and measurement distance can also be adjusted through the iris structure assembly 8 to photograph and measure the collapsed part of the damaged packing box, and finally the damage degree of the packing box in this compressive test can be obtained.

[0041] Embodiment 2

[0042] Compared with Embodiment 1, the present invention can not only detect the packing box in the horizontal state, but also drive the packing box to rotate and tilt through the two-degree-of-freedom rotation mechanism 7 arranged in the workbench 1 and connected to the support disk 4, so as to detect the compressive resistance on the side of the packing box in the tilted state and the deformation condition of the side of the packing box during extrusion; specifically:

[0043] The two-degree-of-freedom rotation mechanism 7 includes a mounting frame 71. A T-shaped rotating shaft seat 72 is rotatably mounted on the mounting frame 71. A first rotating rod 73 is rotatably provided on the rotating shaft seat 72. A first bevel gear 74 is fixedly provided on the first rotating rod 73. One side of the first bevel gear 74 is provided with a rotating rod 75 fixedly connected to the first rotating rod 73. One end of the rotating rod 75 is fixedly connected to the bottom of the support disk 4. A second rotating rod 76 is rotatably provided inside the rotating shaft seat 72. The top end of the second rotating rod 76 is fixedly connected with a second bevel gear 77 meshing with the first bevel gear 74. The outer side of the bottom of the rotating shaft seat 72 is fixedly connected with a first worm gear 78. The bottom of the second rotating rod 76 is fixedly connected with a second worm gear 79. A driving assembly 9 is mounted on one side of the mounting frame 71. The driving assembly 9 includes a first worm 91 rotatably mounted on the mounting frame 71 and drivingly connected to the first worm gear 78. A second motor 92 is provided on one side of the mounting frame 71. The output end of the second motor 92 is connected to the first worm 91. A second worm 93 rotatably mounted on the mounting frame 71 on the opposite side of the first worm 91 is drivingly connected to the second worm gear 79. A third motor 94 is provided on one side of the second worm 93. The output end of the third motor 94 is connected to the second worm 93.

[0044] Referring Figures 6 - 7 As shown, when it is necessary to rotate and tilt the support disk 4, start the third motor 94 to drive the second worm 93 to rotate. The second worm 93 drives the second worm gear 79 to rotate. The second worm gear 79 then drives the second rotating rod 76 inside the rotating shaft seat 72 to rotate. The second rotating rod 76 drives the second bevel gear 77 at its top to rotate. Subsequently, the second bevel gear 77 drives the first bevel gear 74 to rotate. Then, the first bevel gear 74 drives the first rotating rod 73 and the rotating rod 75 to rotate. Finally, the rotating rotating rod 75 drives the support disk 4 connected thereto to rotate and tilt by a certain angle.

[0045] Refer Figure 9 As shown, after the packing box is tilted by a certain angle, start the downward pressing detection mechanism 2 to press the side of the packing box. During the pressing process, the detection mechanism 6 can be started to take pictures and record the deformation generated by the packing box during the pressing process, and transmit the images to an external image processing system, so as to judge the damage degree of the packing box when the side of the packing box is pressed. Thus, the pressing test can be carried out on multiple sides of the packing box by changing the placement surface of the packing box.

[0046] In addition, another rotating mechanism in the two-degree-of-freedom rotation mechanism 7 can drive the already rotated and tilted packing box to rotate around the center of the through hole 3, thus avoiding inaccuracies or errors caused by fixed positions or single pressing directions during the test process, and ensuring that the test results are more stable and reliable. Specifically:

[0047] When the rotating shaft seat 72 needs to drive the support disk 4 to rotate, start the second motor 92 to drive the first worm 91 to rotate. The first worm 91 drives the first worm gear 78 to rotate. Then, the first worm gear 78 can drive the rotating shaft seat 72 to rotate on the mounting frame 71. Thus, the rotating shaft seat 72 will drive the rotating rod 75 and the support disk 4 connected thereto to rotate, thereby driving the packaging box to rotate, so as to increase the accuracy and comprehensiveness of the edge compression test of the packaging box.

[0048] The following is an explanation of the industrial camera and the image processing system cooperating therewith in the present invention:

[0049] Industrial camera: The industrial camera features high resolution and fast imaging, and is suitable for capturing the details of the depression of the carton. An industrial camera with adjustable focal length and light source can be selected to obtain clear images under different conditions.

[0050] The image processing system includes:

[0051] Image acquisition system: Cooperating with the industrial camera, the image acquisition system can collect and store image data in real time. These systems usually have image processing functions and can enhance, annotate, and analyze the images.

[0052] Image comparison software: Using professional image comparison software, the images of the depressions of different cartons can be compared and analyzed. These software usually have functions such as automatic alignment, difference marking, and quantitative analysis, which can help users quickly identify and compare the depressions of different cartons.

[0053] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0054] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An anti-compression quality detection device for the production of packing boxes, comprising a workbench (1) and a downward pressing detection mechanism (2) installed on the workbench (1), characterized in that: A through hole (3) is formed in the top surface of the workbench (1). A support plate (4) for placing the packaging box to be detected is provided inside the through hole (3). A plurality of first telescopic cylinders (5) are installed at the bottom of the support plate (4). A detection mechanism (6) for detecting the deformation of the side surface of the squeezed packaging box is provided on the top surface of the support plate (4). The telescopic rod of the first telescopic cylinder (5) penetrates through the support plate (4) and is connected to the detection mechanism (6) to drive the detection mechanism (6) outside the packaging box to move in the vertical direction of the disk surface of the support plate (4). A two-degree-of-freedom rotation mechanism (7) connected to the support plate (4) is provided inside the workbench (1), and the two-degree-of-freedom rotation mechanism (7) can drive the support plate (4) and the packaging box to rotate and tilt in the through hole (3).

2. The compressive quality inspection device for packaging box production according to claim 1, wherein: The downward pressure detection mechanism (2) includes a cross frame (21) mounted on the workbench (1). A cylinder (22) is installed on the top surface of the cross frame (21). The output end of the cylinder (22) is connected with a downward pressure beam (23). The downward pressure beam (23) is slidably installed inside the cross frame (21) through a guide rod. A lower pressing plate (24) is provided below the downward pressure beam (23). The lower pressing plate (24) is connected to the downward pressure beam (23) through a balance guide frame (25). A pressure sensor (26) is provided between the downward pressure beam (23) and the lower pressing plate (24).

3. The compressive quality inspection device for packaging box production according to claim 2, wherein: The detection mechanism (6) includes an iris structure assembly (8). The iris structure assembly (8) includes a chassis (81) connected to one end of the telescopic rod of the first telescopic cylinder (5). A limiting ring (82) is fixedly connected to the top surface of the chassis (81). A toothed ring (83) is rotatably provided inside the limiting ring (82). Four inner tooth sections (831) are equally spaced at equal angles on the inner wall of the toothed ring (83). A positioning pin is provided on one side of each inner tooth section (831). A first gear (84) meshing with the inner tooth section (831) is rotatably installed on the positioning pin. An iris vane (85) is provided on one side of the first gear (84). A sliding groove (851) is formed in the iris vane (85). A limiting pin (86) for limiting the movement of the iris vane (85) is provided in the sliding groove (851). A rack (852) meshing with the first gear (84) is provided on the outer side surface of the iris vane (85). An outer tooth section (832) is provided on the outer wall of the toothed ring (83). A first motor (87) is provided on one side of the outer tooth section (832). The first motor (87) is installed on the chassis (81). The output end of the first motor (87) is connected with a second gear (88) meshing with the outer tooth section (832). A top plate (89) is provided on the top surface of the limiting ring (82).

4. The compressive quality inspection device for packaging box production according to claim 3, wherein: The detection mechanism (6) further includes a detection component installed in the iris structure assembly (8). The detection component includes an industrial camera (61) installed on the side of the iris vane (85). An installation groove (853) is formed on the side of the iris vane (85) near the center position of the support disk (4), and the industrial camera (61) is installed in the installation groove (853). The industrial camera (61) is connected to an external image processing system.

5. The compressive quality inspection device for packaging box production according to claim 2, wherein: The two-degree-of-freedom rotation mechanism (7) includes a mounting frame (71). A T-shaped rotating shaft seat (72) is rotatably installed on the mounting frame (71). A first rotating rod (73) is rotatably provided on the rotating shaft seat (72). A first bevel gear (74) is fixedly provided on the first rotating rod (73). A rotating rod (75) fixedly connected to the first rotating rod (73) is provided on one side of the first bevel gear (74). One end of the rotating rod (75) is fixedly connected to the bottom of the support disk (4). A second rotating rod (76) is rotatably provided in the rotating shaft seat (72). A second bevel gear (77) meshing with the first bevel gear (74) is fixedly connected to the top end of the second rotating rod (76). A first worm gear (78) is fixedly connected to the outer side of the bottom of the rotating shaft seat (72). A second worm gear (79) is fixedly connected to the bottom of the second rotating rod (76).

6. The compressive quality inspection device for packaging box production according to claim 5, characterized in that: A driving component (9) is installed on one side of the mounting frame (71). The driving component (9) includes a first worm (91) rotatably installed on the mounting frame (71) and in transmission connection with the first worm gear (78). A second motor (92) is provided on one side of the mounting frame (71), and the output end of the second motor (92) is connected to the first worm (91). A second worm (93) rotatably installed on the mounting frame (71) and in transmission connection with the second worm gear (79) is provided on the mounting frame (71) on the opposite side of the first worm (91). A third motor (94) is provided on one side of the second worm (93), and the output end of the third motor (94) is connected to the second worm (93).

7. The compressive quality inspection device for packaging box production according to claim 3, characterized in that: Electric push rods (10) are symmetrically installed on the top surface of the support disk (4). A clamping plate (11) for clamping the packing box is connected to one end of the telescopic rod of the electric push rod (10). The electric push rod (10) and the clamping plate (11) are both located in the avoidance groove at the bottom of the chassis (81).

8. The compressive quality inspection device for packaging box production according to claim 3, characterized in that: The through hole (3) is circular, the support disk (4) is disk-shaped, and four of the first telescopic cylinders (5) are equiangularly installed at the bottom of the support disk (4).

Images