A protective carton compression load bearing detection device and a detection method thereof

Abstract

The application discloses a protective carton compression load detection device and a detection method thereof, and belongs to the technical field of carton detection. The first workbench is driven to move rightwards by a driving assembly, so that the slide column slides in the slide channel. When the slide column slides to the lowest position in the slide channel, the first workbench moves to the lower side of the second workbench, the slide column slides to the highest position in the slide channel, and the vertical plate drives the first workbench to be lifted, so that the first workbench and the second workbench are alternately replaced. The carton to be detected is installed on the first workbench. After the detection of the carton on the second workbench is completed, the first workbench drives the clamped carton to be transferred to the lower side of the detection assembly for detection. The second workbench transfers the detected carton to the right side. The detection efficiency is improved through the multi-station alternate feeding and detection mode, the overall detection speed is not limited by the compression detection time, and the high-throughput detection requirement of the modern production line is met.

Description

Technical Field

[0001] This invention relates to the field of cardboard box testing technology, specifically to a protective cardboard box compression load-bearing capacity testing device and its testing method. Background Technology

[0002] In the modern logistics and packaging industry, protective cardboard boxes serve as an important carrier for the transportation and storage of goods. Their compressive strength and load-bearing capacity are directly related to the safety of the goods and are an important technical indicator of the quality of cardboard boxes. It is necessary to conduct compressive strength and load-bearing capacity tests on each batch of finished cardboard boxes to ensure that the product quality of each batch of finished cardboard boxes meets the usage standards.

[0003] Traditional cardboard box compression load-bearing capacity testing equipment mainly adopts a single pressure testing method. It applies pressure to the cardboard box through mechanical pressure equipment and observes the deformation and damage of the cardboard box to judge its load-bearing capacity. During the pressure application process, the cardboard box is prone to displacement. When the cardboard box is subjected to excessive force, the corrugated cardboard in multiple directions is prone to tilting outward or even falling off the testing workbench, causing inconvenience to subsequent testing work. Moreover, traditional testing equipment usually adopts a single-station manual feeding method. Cardboard boxes need to be fed, tested and unloaded one by one. The overall testing speed is limited by the compression test time, resulting in low efficiency and difficulty in meeting the high-throughput testing requirements of modern production lines. Summary of the Invention

[0004] The purpose of this invention is to provide a protective cardboard box compression load-bearing testing device and its testing method, in order to solve the problems mentioned in the background art, such as the cardboard box easily shifting its position during the compression process, and the corrugated cardboard easily tilting outwards in multiple directions when the cardboard box is subjected to excessive force, or even falling off the testing workbench, causing inconvenience to subsequent testing work; moreover, traditional testing equipment usually adopts a single-station manual feeding method, and cardboard boxes need to be fed, tested and unloaded one by one. The overall testing speed is limited by the compression test time, resulting in low efficiency and difficulty in meeting the high-throughput testing requirements of modern production lines.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A protective cardboard box compression load-bearing capacity testing device includes two baffles. A testing bracket is located on the side of each baffle that is far apart from the other. A testing component is fixedly connected to the top of the testing bracket. A first workbench and a second workbench are respectively located on both sides of the two baffles. The bottom end of the testing component is located above the first workbench. Sliding components are fixedly connected to the four corners of the bottom of the first workbench. A vertical plate is inserted through the sliding component. The top of the vertical plate is fixed to the bottom of the first workbench. A sliding column is installed through the bottom of the vertical plate. A support component is located outside the sliding column and is fixed to the bottom of the two baffles. A drive assembly is fixedly connected to one side of the bottom of the second workbench and one side of the sliding assembly. The drive assembly is installed through one side of one of the baffles. The top of the baffle is provided with a track. The slide of the bottom of the second workbench is slidably connected in the track. Mounting seats are fixed on the first and second workbench respectively. Four sliding grooves are equally spaced on the mounting seats, and a groove is provided in the middle of the mounting seat. A deflection groove is provided on the outer wall of the mounting seat, and the deflection groove is connected to the groove. A limiting assembly is provided at the center of the mounting seat. An adjusting assembly is fixed at the bottom of the limiting assembly. The adjusting assembly is installed in the groove and passes through the deflection groove.

[0007] As a further embodiment of the present invention, the detection component includes an electro-hydraulic telescopic rod, which is fixedly mounted on the top of the detection bracket. An adjustment plate is fixedly connected to the bottom end of the electro-hydraulic telescopic rod. A pressure sensor is fixed at the center of the bottom of the adjustment plate. Four cameras are installed at equal intervals along the edge of the bottom of the adjustment plate, with the included angle between two adjacent cameras being 90 degrees.

[0008] As a further embodiment of the present invention, the sliding assembly includes a sliding plate, two sliding seats are fixed on both sides of the bottom of the sliding plate, the sliding seats are slidably connected to the top of the support assembly, sliding rods are slidably inserted through the four corners of the sliding plate, the top of the sliding rods are fixed to the bottom of the first workbench, the bottom ends of the two sliding rods on the same side are fixed with connecting plates, a through hole is opened in the middle of the sliding plate, and the upright plate is inserted through the through hole.

[0009] As a further embodiment of the present invention, the support assembly includes a base plate, the base plate being fixed to the bottom of two baffles, and slide rails being fixed to both sides of the base plate respectively. Two slide blocks on the same side are slidably connected to the top of the slide rails, and a partition is provided between the two slide rails. The partition is fixed to the base plate, and a slide track is provided on one side of the base plate. The slide track has an inverted V-shaped design, and the slide column is slidably connected in the inverted V-shaped slide track.

[0010] As a further embodiment of the present invention, the drive assembly includes two drive wheels, the ends of which are rotatably connected to one side of one of the baffles via bushings. A drive belt is fitted over the two drive wheels. A first fixing block and a second fixing block are respectively fixed to one side of the top and one side of the bottom of the drive belt. The first fixing block is fixed to one side of the bottom of the second workbench, and the second fixing block is fixed to one side of the slide plate. One end of one of the drive wheels passes through the baffle and is fixed with a motor, which is fixed to the outside of the baffle.

[0011] As a further embodiment of the present invention, the limiting component includes a material support plate, a deflector disk rotatably connected to the middle of the material support plate via a bushing, four support rods rotatably connected at equal intervals along the edge of the deflector disk via pins, the support rods being arc-shaped and having a slider rotatably connected to the other end via a pin, the slider being slidably connected in a groove, and both the slider and the groove being T-shaped, a stop bar being fixed at one end of the slider corresponding to the position above the slider, and the support rods being located between the material support plate and the deflector disk.

[0012] As a further embodiment of the present invention, the adjusting assembly includes a rotating shaft, which is mounted on the middle of the mounting base via a bushing. The top end of the rotating shaft passes through the mounting base and is fixed to the bottom of the deflection disk. A support bearing is sleeved on the bottom end of the rotating shaft and is engaged with the bottom of the inner wall of the groove. A fixing ring is fixed on the upper part of the outer wall of the rotating shaft, and a torsion spring is fixed on the bottom of the fixing ring. A spacer ring is fixed on the bottom end of the torsion spring and is fixed to the inner wall of the groove. The rotating shaft passes through the spacer ring, and an extension rod is fixed on the lower part of the outer wall of the rotating shaft. The end of the extension rod passes through the deflection groove and is fixed with a handle.

[0013] A testing method for a protective cardboard box compression load-bearing capacity testing device, the testing method comprising the following steps:

[0014] When testing the compression and load-bearing capacity of the carton, hold the handle on the second workbench and turn it clockwise. This causes the handle to slide the extension rod within the deflection groove. The other end of the extension rod then drives the rotating shaft to rotate clockwise. During the rotation of the shaft, the torsion spring is twisted through the fixed ring. Simultaneously, the top of the rotating shaft drives the deflection disk to rotate. Because the deflection disk and the material support plate are connected by a bushing, the deflection disk does not drive the material support plate to rotate synchronously. Furthermore, during the rotation of the deflection disk, four support rods push the four sliders away from each other, allowing the sliders to slide within the groove. The T-shaped groove design limits the sliders, preventing them from detaching from the groove during sliding and improving support. The stability of the movement of the lever and the stop bar is ensured. During this process, the four sliders drive the four stop bars away from each other to expand the space between the four stop bars. Then, the carton to be tested is placed on the support plate. When the handle is released, the force of the torsion spring drives the rotating shaft to rotate through the fixed ring. The rotating shaft drives the deflection disk to rotate counterclockwise. The deflection disk pulls the support rod at the same time, so that the four support rods drive the four sliders and the four stop bars to move closer to each other until the four stop bars contact the outer wall of the carton. This helps to limit the carton and prevent it from shifting under pressure and falling off the support plate. Moreover, the movement of the stop bar will push the carton towards the center of the support plate.

[0015] After completing the clamping and positioning of the carton, the motor is started, causing the motor's output shaft to drive the transmission wheel to rotate counterclockwise. The transmission wheel then drives the conveyor belt. Since the first fixing block is fixed to one side of the bottom of the second workbench, and the second fixing block is fixed to one side of the slide plate, the top of the transmission belt, through the first fixing block, moves the second workbench to the left. The slide plate at the bottom of the second workbench slides in the track on the baffle, improving the stability of the second workbench in moving the carton horizontally. The bottom of the transmission belt, through the second fixing block, moves the slide plate to the right, causing the slide plate to move the first workbench to the right via four sliding rods. The worktable moves the sliding column through the bottom upright plate in the inverted V-shaped slide. When the sliding column reaches the lowest point in the slide, it pulls the first worktable down through the upright plate. The first worktable then moves the four sliding rods down the slide plate, improving the stability of the vertical movement of the first worktable. During this process, the first worktable moves to the bottom of the second worktable. When the second worktable moves into the detection bracket, the sliding column slides into the highest point in the slide, and the upright plate lifts the first worktable up, allowing the first and second worktables to switch positions without interfering with the stroke of the first and second worktables.

[0016] At this time, the carton on the second workbench is located below the detection component. By controlling the extension of the electric hydraulic telescopic rod and moving the adjustment plate downward, the adjustment plate moves the pressure sensor downward and applies pressure to the top of the carton. At the same time, the applied pressure value is monitored. Since four cameras are installed at equal intervals on the bottom edge of the adjustment plate, and the angle between two adjacent cameras is 90 degrees, multiple cameras can capture and record the surface deformation and damage of the carton in real time during the pressure process. Combined with the image recognition algorithm, the location and degree of damage of the carton are automatically analyzed. When obvious damage to the carton is detected or the preset pressure limit value is reached, the electric hydraulic telescopic rod stops applying pressure, and the detection ends. Then, the electric hydraulic telescopic rod retracts and moves the pressure sensor upward through the adjustment plate, so that the pressure sensor is away from the carton. During the detection process, hold the handle on the first workbench and turn it clockwise. Similarly, the carton to be detected is installed on the material support plate on the first workbench.

[0017] After the carton on the second workbench is inspected, the motor is activated, causing its output shaft to rotate the transmission wheel clockwise. Similarly, during this process, the top of the transmission belt moves the second workbench to the right via the first fixed block, and the bottom of the transmission belt moves the first workbench to the left via the second fixed block. This allows the first workbench to move the clamped carton to the area below the inspection assembly for inspection. The second workbench then moves the inspected carton to the right. When removing the carton, the handle is gripped and turned clockwise. The other end of the extension rod rotates the rotating shaft clockwise, and the top of the rotating shaft rotates the deflector. As the deflector rotates, it pushes the four sliders and the stop rods away from each other via the four support rods, moving the stop rods away from the carton so that the inspected carton can be removed.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. This invention uses a second fixed block to move the sliding plate to the right, which in turn moves the first worktable to the right via four sliding rods. The first worktable, through a bottom upright plate, moves a sliding column in an inverted V-shaped track. When the sliding column reaches the lowest point of the track, it pulls the first worktable downwards via the upright plate. During this process, the first worktable moves below the second worktable. When the second worktable moves into the detection bracket, the sliding column slides into the highest point of the track, and the upright plate lifts the first worktable, allowing the first and second worktables to interchange positions, thus preventing damage to the first worktable and the second worktable. The travel of the second workbench causes interference. The cartons on the second workbench are located below the detection component and are being detected. During the detection process, the cartons to be tested are installed on the first workbench. After the detection of the cartons on the second workbench is completed, the drive component is controlled to work, so that the first workbench moves the clamped cartons to the bottom of the detection component for detection. The second workbench moves the detected cartons to the right side. By using a multi-station alternating feeding and detection method, the detection efficiency is improved, so that the overall detection speed is not limited by the pressure test time, thereby meeting the high-throughput detection requirements of modern production lines.

[0020] 2. This invention involves placing the carton to be tested on a support plate. During the release of the handle, the force of the torsion spring drives the rotating shaft to rotate via the fixing ring. This rotating shaft then drives the deflector to rotate counterclockwise. Simultaneously, the deflector pulls the support rods, causing the four support rods to drive the four sliders and four stop rods closer together until the four stop rods contact the outer wall of the carton. This limits the carton's position, preventing it from shifting under subsequent pressure and detaching from the support plate. Furthermore, the movement of the stop rods pushes the carton towards the center of the support plate. Because of the four stop rods... The flexible support for the cardboard box prevents deformation or damage caused by excessive clamping force, thus protecting the box and improving the stability and accuracy of subsequent inspections. When removing the box, hold the handle and turn it clockwise. The other end of the extension rod drives the rotating shaft to rotate clockwise. The top of the rotating shaft drives the deflector to rotate. During the rotation, the deflector pushes the four sliders and the stop rods away from each other through the four support rods, making it easier to remove the inspected box and improving the convenience of changing boxes. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the detection component of the present invention;

[0024] Figure 3 This is a schematic diagram of the structure of the first and second worktables of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of the sliding component of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of the driving component of the present invention;

[0027] Figure 6 This is a schematic diagram of the structure of the support component of the present invention;

[0028] Figure 7 This is a schematic diagram of the structure of the limiting component of the present invention;

[0029] Figure 8 This is a schematic diagram of the cross-sectional structure of the mounting base of the present invention;

[0030] Figure 9 This is a schematic diagram of the structure of the adjustment component of the present invention.

[0031] The attached diagram lists the components represented by each number as follows:

[0032] 1. Baffle; 2. Detection bracket; 3. Detection assembly; 301. Electro-hydraulic telescopic rod; 302. Adjusting plate; 303. Pressure sensor; 304. Camera; 4. First worktable; 5. Second worktable; 6. Sliding assembly; 601. Slide plate; 602. Slide base; 603. Slide rod; 604. Connecting plate; 605. Through hole; 7. Vertical plate; 8. Slide column; 9. Support assembly; 901. Base plate; 902. Slide rail; 903. Partition; 904. Slide path; 10. Drive assembly; 101. 102. Drive wheel; 103. Drive belt; 104. First fixed block; 105. Second fixed block; 106. Motor; 11. Mounting base; 12. Slide groove; 13. Groove; 14. Deflection groove; 15. Limiting assembly; 151. Material support plate; 152. Support rod; 153. Slider; 154. Stop bar; 155. Deflection disc; 16. Adjusting assembly; 161. Rotating shaft; 162. Support bearing; 163. Fixing ring; 164. Torsion spring; 165. Spacer ring; 166. Extension rod; 167. Rotating handle. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Please see Figures 1-9 The present invention provides a technical solution:

[0035] A protective cardboard box compression load-bearing capacity testing device includes two baffles 1. A testing bracket 2 is located on the side of the two baffles 1 that is far apart from each other. A testing component 3 is fixedly connected to the top of the testing bracket 2. A first workbench 4 and a second workbench 5 are respectively located on both sides of the two baffles 1. The bottom end of the testing component 3 is located above the first workbench 4. Sliding components 6 are fixedly connected to the four corners of the bottom of the first workbench 4. A vertical plate 7 is installed through the sliding component 6. The top end of the vertical plate 7 is fixed to the bottom of the first workbench 4. A sliding column 8 is installed through the bottom of the vertical plate 7. A support component 9 is located outside the sliding column 8 and is fixed to the bottom of the two baffles 1. A driving component 10 is fixedly connected to one side of the bottom of the second workbench 5 and one side of the sliding component 6. The driving component 10 is installed through one side of one of the baffles 1.

[0036] The top of the baffle 1 is provided with a track, and the slide table at the bottom of the second workbench 5 is slidably connected in the track; the first workbench 4 and the second workbench 5 are respectively fixed with mounting bases 11, and four sliding grooves 12 are equally spaced on the mounting bases 11, and a groove 13 is provided in the center of the mounting base 11. A deflection groove 14 is provided on the outer wall of the mounting base 11, and the deflection groove 14 is connected to the groove 13. A limiting component 15 is provided at the center of the mounting base 11, and an adjusting component 16 is fixed at the bottom of the limiting component 15. The adjusting component 16 is installed in the groove 13 and passes through the deflection groove 14.

[0037] As a further embodiment of the present invention, the detection component 3 includes an electro-hydraulic telescopic rod 301, which is fixedly mounted on the top of the detection bracket 2. An adjustment plate 302 is fixedly connected to the bottom end of the electro-hydraulic telescopic rod 301. A pressure sensor 303 is fixed at the center of the bottom of the adjustment plate 302. Four cameras 304 are installed at equal intervals on the edge of the bottom of the adjustment plate 302, and the included angle between two adjacent cameras 304 is ninety degrees.

[0038] During operation, the electric hydraulic telescopic rod 301 is extended and the adjusting plate 302 is moved downward. The adjusting plate 302 moves the pressure sensor 303 downward and applies pressure to the top of the carton, while monitoring the applied pressure value. Since four cameras 304 are installed at equal intervals on the bottom edge of the adjusting plate 302, and the angle between two adjacent cameras 304 is 90 degrees, multiple cameras 304 can capture and record the surface deformation and damage of the carton in real time during the pressure process. Combined with image recognition algorithms, the location and extent of damage to the carton are automatically analyzed. When obvious damage to the carton is detected or the preset pressure limit value is reached, the electric hydraulic telescopic rod 301 stops applying pressure.

[0039] As a further embodiment of the present invention, the sliding assembly 6 includes a sliding plate 601, with two sliding blocks 602 fixed to both sides of the bottom of the sliding plate 601, the sliding blocks 602 being slidably connected to the top of the support assembly 9; sliding rods 603 are slidably inserted through the four corners of the sliding plate 601, the top ends of the sliding rods 603 being fixed to the bottom of the first worktable 4, and connecting plates 604 being fixed to the bottom ends of the two sliding rods 603 on the same side. A through hole 605 is provided in the middle of the sliding plate 601, and the upright plate 7 is disposed through the through hole 605.

[0040] During operation, the sliding column 8 drives the first worktable 4 to move up and down through the vertical plate 7. The first worktable 4 then drives the four sliding rods 603 to slide on the sliding plate 601, which improves the stability of the vertical movement of the first worktable 4. In addition, the through hole 605 makes it easy for the sliding column 8 to drive the vertical plate 7 to move, so it will not interfere with the movement of the first worktable 4.

[0041] As a further embodiment of the present invention, the support assembly 9 includes a base plate 901, which is fixed to the bottom of the two baffles 1. Slide rails 902 are fixed on both sides of the base plate 901, and two slide blocks 602 on the same side are slidably connected to the top of the slide rails 902. A partition 903 is provided between the two slide rails 902, which is fixed to the base plate 901. A slide rail 904 is provided on the side wall of the partition 903. The slide rail 904 is designed in an inverted V shape, and the slide column 8 is slidably connected in the inverted V-shaped slide rail 904.

[0042] During operation, the slide plate 601 drives the first worktable 4 to move to the right via four slide rods 603. The first worktable 4 then drives the slide column 8 to slide in the inverted V-shaped slide track 904 via the bottom upright plate 7. When the slide column 8 slides to the lowest point in the slide track 904, the slide column 8 pulls the first worktable 4 down via the upright plate 7, so that the first worktable 4 moves below the second worktable 5.

[0043] When the second worktable 5 moves into the detection bracket 2, the sliding column 8 slides into the highest point of the slide rail 904, and the upright plate 7 drives the first worktable 4 to be lifted up, so that the first worktable 4 and the second worktable 5 can be interchanged without interfering with the stroke of the first worktable 4 and the second worktable 5.

[0044] As a further embodiment of the present invention, the drive assembly 10 includes two drive wheels 101. The ends of the two drive wheels 101 are rotatably connected to one side of one of the baffles 1 through bushings. The two drive wheels 101 are sleeved with a drive belt 102. A first fixing block 103 and a second fixing block 104 are respectively fixed on one side of the top and one side of the bottom of the drive belt 102. The first fixing block 103 is fixed to one side of the bottom of the second workbench 5, and the second fixing block 104 is fixed to one side of the slide plate 601. One end of one of the drive wheels 101 passes through the baffle 1 and is fixed with a motor 105. The motor 105 is fixed to the outside of the baffle 1.

[0045] During operation, the output shaft of motor 105 drives transmission wheel 101 to rotate counterclockwise, which in turn drives the conveyor belt. Since the first fixing block 103 is fixed to one side of the bottom of the second workbench 5 and the second fixing block 104 is fixed to one side of the slide plate 601, the top of the transmission belt 102 drives the second workbench 5 to move to the left through the first fixing block 103. The slide at the bottom of the second workbench 5 slides in the track on the baffle 1, which improves the stability of the second workbench 5 in driving the carton above to move horizontally. The bottom of the transmission belt 102 drives the slide plate 601 to move to the right through the second fixing block 104, which facilitates the synchronous adjustment of the positions of the first workbench 4 and the second workbench 5.

[0046] As a further embodiment of the present invention, the limiting component 15 includes a material support plate 151. A deflector 155 is rotatably connected to the middle of the material support plate 151 via a bushing. Four support rods 152 are rotatably connected at equal intervals along the edge of the deflector 155 via pins. The support rods 152 are arc-shaped and are connected to a slider 153 at the other end via a pin. The slider 153 is slidably connected in the groove 12. Both the slider 153 and the groove 12 are T-shaped. A stop bar 154 is fixed at one end of the slider 153 corresponding to the position above the slider 153. The support rods 152 are located between the material support plate 151 and the deflector 155.

[0047] During operation, the deflector 155 rotates and pushes the four sliders 153 away from each other through the four support rods 152, so that the sliders 153 slide within the slide groove 12. The slide groove 12 with its T-shaped design limits the sliders 153, so that the sliders 153 will not leave the slide groove 12 during the sliding process, thereby improving the stability of the support rods 152 driving the stop rods 154 to move away from each other. During this process, the four sliders 153 respectively drive the four stop rods 154 away from each other, thereby expanding the space between the four stop rods 154, which makes it easier to clamp cartons of different sizes on the material support plate 151.

[0048] As a further embodiment of the present invention, the adjustment assembly 16 includes a rotating shaft 161, which is mounted on the middle of the mounting base 11 by a bushing. The top end of the rotating shaft 161 passes through the mounting base 11 and is fixed to the bottom of the deflection disk 155. The bottom end of the rotating shaft 161 is sleeved with a support bearing 162, which is engaged with the bottom of the inner wall of the groove 13.

[0049] During operation, the rotating shaft 161 will drive the deflection disk 155 to rotate. Since the deflection disk 155 and the material support plate 151 are connected by a bushing, the deflection disk 155 will not drive the material support plate 151 to rotate synchronously, which facilitates the subsequent clamping of the carton.

[0050] A fixing ring 163 is fixed above the outer wall of the rotating shaft 161, a torsion spring 164 is fixed at the bottom of the fixing ring 163, a spacer ring 165 is fixed at the bottom end of the torsion spring 164, the spacer ring 165 is fixed to the inner wall of the groove 13, the rotating shaft 161 passes through the spacer ring 165, and an extension rod 166 is fixed below the outer wall of the rotating shaft 161. The end of the extension rod 166 passes through the deflection groove 14 and is fixed with a handle 167.

[0051] During operation, when the handle 167 is released, the force of the torsion spring 164 drives the rotating shaft 161 to rotate through the fixed ring 163. This causes the rotating shaft 161 to drive the deflection disk 155 to rotate counterclockwise. The deflection disk 155 then pulls the support rod 152, causing the four support rods 152 to drive the four sliders 153 and the four stop rods 154 to move closer to each other until the four stop rods 154 contact the outer wall of the carton. This serves to limit the carton and prevent it from shifting under subsequent pressure and detaching from the material support plate 151.

[0052] A testing method for a protective cardboard box compression load-bearing capacity testing device, the testing method comprising the following steps:

[0053] When testing the compressive strength of the carton, hold the handle 167 on the second workbench 5 and turn it clockwise. This causes the handle to slide the extension rod 166 within the deflection groove 14. The other end of the extension rod 166 then drives the rotating shaft 161 to rotate clockwise. During the rotation of the rotating shaft 161, the torsion spring 164 is twisted through the fixed ring 163. Simultaneously, the top of the rotating shaft 161 drives the deflection disk 155 to rotate. Since the deflection disk 155 and the material support plate 151 are rotatably connected by a bushing, the deflection disk 155 does not drive the material support plate 151 to rotate synchronously. During the rotation of the deflection disk 155, the four sliders 153 are pushed away from each other by the four support rods 152, causing the sliders 153 to slide within the slide groove 12. The T-shaped slide groove 12 limits the sliders 153, preventing them from detaching from the slide groove 12 during sliding and improving support. The stability of the movement of the support rod 152 and the stop rod 154 is improved. During this process, the four sliders 153 drive the four stop rods 154 away from each other to expand the space between the four stop rods 154. Then, the carton to be tested is placed on the material support plate 151. When the handle 167 is released, the force of the torsion spring 164 drives the rotating shaft 161 to rotate through the fixed ring 163. The rotating shaft 161 drives the deflection disk 155 to rotate counterclockwise. The deflection disk 155 pulls the support rod 152 at the same time, so that the four support rods 152 drive the four sliders 153 and the four stop rods 154 to move closer to each other until the four stop rods 154 contact the outer wall of the carton. This helps to limit the carton and prevent it from shifting under pressure and falling off the material support plate 151. In addition, the movement of the stop rods 154 will push the carton towards the center of the material support plate 151.

[0054] After completing the clamping and positioning of the carton, the motor 105 is started, causing the output shaft of the motor 105 to drive the transmission wheel 101 to rotate counterclockwise. The transmission wheel 101 then drives the conveyor belt. Since the first fixing block 103 is fixed to one side of the bottom of the second workbench 5 and the second fixing block 104 is fixed to one side of the slide plate 601, the top of the transmission belt 102 drives the second workbench 5 to move to the left via the first fixing block 103. The slide at the bottom of the second workbench 5 slides in the track on the baffle 1, improving the stability of the second workbench 5 in moving the carton horizontally. The bottom of the transmission belt 102 drives the slide plate 601 to move to the right via the second fixing block 104, causing the slide plate 601 to drive the first workbench 4 via the four slide rods 603. Moving to the right, the first worktable 4 drives the sliding column 8 to slide in the inverted V-shaped slide rail 904 via the bottom upright plate 7. When the sliding column 8 slides to the lowest point in the slide rail 904, the sliding column 8 pulls the first worktable 4 down via the upright plate 7. The first worktable 4 then drives the four sliding rods 603 to slide up and down the slide plate 601, improving the stability of the vertical movement of the first worktable 4. During this process, the first worktable 4 moves to the bottom of the second worktable 5. When the second worktable 5 moves into the detection bracket 2, the sliding column 8 slides into the highest point in the slide rail 904. The upright plate 7 drives the first worktable 4 to lift up, so that the first worktable 4 and the second worktable 5 are interchanged, thus avoiding interference with the stroke of the first worktable 4 and the second worktable 5.

[0055] At this time, the cardboard box on the second workbench 5 is located below the detection component 3. By controlling the extension of the electric hydraulic telescopic rod 301, the adjusting plate 302 is moved downward. The adjusting plate 302 moves the pressure sensor 303 downward and applies pressure to the top of the cardboard box, while monitoring the applied pressure value. Since four cameras 304 are evenly spaced at the bottom edge of the adjusting plate 302, and the angle between two adjacent cameras 304 is 90 degrees, the multiple cameras 304 can capture and record the surface deformation and damage of the cardboard box in real time during the pressure process. The system records and combines image recognition algorithms to automatically analyze the location and extent of damage to the carton. When obvious damage to the carton is detected or the preset pressure limit is reached, the electric hydraulic telescopic rod 301 stops pressurizing, and the detection ends. Then, the electric hydraulic telescopic rod 301 retracts and drives the pressure sensor 303 to move upward through the adjusting plate 302, so that the pressure sensor 303 is away from the carton. During the detection process, hold the rotating handle 167 on the first workbench 4 and turn it clockwise. Similarly, the carton to be detected is installed on the material support plate 151 on the first workbench 4.

[0056] After the carton on the second workbench 5 is inspected, the control motor 105 is activated, causing the output shaft of the motor 105 to drive the transmission wheel 101 to rotate clockwise. Similarly, during this process, the top of the transmission belt 102 drives the second workbench 5 to move to the right through the first fixing block 103, and the bottom of the transmission belt 102 drives the first workbench 4 to move to the left through the second fixing block 104. This causes the first workbench 4 to move the clamped carton to the bottom of the inspection assembly 3 for inspection. The second workbench 5 then moves the inspected carton to the right side. When removing the carton, the handle 167 is held and turned clockwise. The other end of the extension rod 166 drives the rotating shaft 161 to rotate clockwise. The top of the rotating shaft 161 drives the deflection disk 155 to rotate. During the rotation, the deflection disk 155 pushes the four sliders 153 and the stop rod 154 away from each other through the four support rods 152, causing the stop rod 154 to move away from the carton, so that the inspected carton can be removed.

Claims

1. A protective cardboard box compression load-bearing capacity testing device, comprising a baffle (1), characterized in that: There are two baffles (1). A detection bracket (2) is provided on the side of the two baffles (1) that is far apart from each other. A detection component (3) is fixed through the top of the detection bracket (2). A first workbench (4) and a second workbench (5) are respectively provided on both sides of the two baffles (1). The bottom end of the detection component (3) is located above the first workbench (4). A sliding component (6) is fixedly connected to the four corners of the bottom of the first workbench (4). A vertical plate (7) is provided through the sliding component (6). The top end of the vertical plate (7) is fixed to the bottom of the first workbench (4). A sliding column (8) is installed through the bottom of the vertical plate (7). A support component (9) is provided outside the sliding column (8). The support component (9) is fixed to the bottom of the two baffles (1). One side of the bottom of the second workbench (5) and one side of the sliding component (6) A drive assembly (10) is fixedly connected to the side. The drive assembly (10) is installed through one side of one of the baffles (1). The top of the baffle (1) is provided with a track. The slide of the bottom of the second workbench (5) is slidably connected in the track. The first workbench (4) and the second workbench (5) are respectively fixed with mounting seats (11). The mounting seats (11) are provided with four slide grooves (12) at equal intervals. The mounting seats (11) are provided with a groove (13) in the middle. The outer wall of the mounting seats (11) is provided with a deflection groove (14). The deflection groove (14) is connected to the groove (13). The center of the mounting seats (11) is provided with a limiting assembly (15). The bottom of the limiting assembly (15) is fixed with an adjusting assembly (16). The adjusting assembly (16) is installed in the groove (13) and passes through the deflection groove (14). The limiting component (15) includes a material support plate (151). A deflector plate (155) is rotatably connected to the middle of the material support plate (151) via a bushing. Four support rods (152) are rotatably connected at equal intervals on the edge of the deflector plate (155) via pins. The support rods (152) are arc-shaped and the other end is rotatably connected to a slider (153) via a pin. The slider (153) is slidably connected in a groove (12). Both the slider (153) and the groove (12) are T-shaped. A stop bar (154) is fixed at one end of the slider (153) corresponding to the position above the slider (153). The support rods (152) are located between the material support plate (151) and the deflector plate (155). The adjusting assembly (16) includes a rotating shaft (161), which is mounted on the middle of the mounting base (11) via a bushing. The top end of the rotating shaft (161) passes through the mounting base (11) and is fixed to the bottom of the deflection disk (155). A support bearing (162) is sleeved on the bottom end of the rotating shaft (161), and the support bearing (162) is engaged with the bottom of the inner wall of the groove (13). The top of the outer wall of the rotating shaft (161) is fixed. There is a fixed ring (163), a torsion spring (164) is fixed at the bottom of the fixed ring (163), a spacer ring (165) is fixed at the bottom end of the torsion spring (164), the spacer ring (165) is fixed to the inner wall of the groove (13), the rotating shaft (161) passes through the spacer ring (165), and an extension rod (166) is fixed below the outer wall of the rotating shaft (161). The end of the extension rod (166) passes through the deflection groove (14) and is fixed with a handle (167).

2. The protective cardboard box compression load-bearing capacity testing device according to claim 1, characterized in that: The detection component (3) includes an electric hydraulic telescopic rod (301), which is fixed through the top of the detection bracket (2). An adjustment plate (302) is fixedly connected to the bottom end of the electric hydraulic telescopic rod (301). A pressure sensor (303) is fixed at the center of the bottom of the adjustment plate (302). Four cameras (304) are installed at equal intervals on the edge of the bottom of the adjustment plate (302), and the included angle between two adjacent cameras (304) is ninety degrees.

3. The protective cardboard box compression load-bearing capacity testing device according to claim 2, characterized in that: The sliding assembly (6) includes a sliding plate (601), and two slide blocks (602) are fixed on both sides of the bottom of the sliding plate (601). The slide blocks (602) are slidably connected to the top of the support assembly (9). Slide rods (603) are slidably inserted through the four corners of the sliding plate (601). The top of the slide rods (603) is fixed to the bottom of the first workbench (4). The bottom ends of the two slide rods (603) on the same side are fixed with connecting plates (604). A through hole (605) is opened in the middle of the sliding plate (601), and the upright plate (7) is inserted through the through hole (605).

4. The protective cardboard box compression load-bearing capacity testing device according to claim 3, characterized in that: The support assembly (9) includes a base plate (901), which is fixed to the bottom of two baffles (1). Slide rails (902) are fixed on both sides of the base plate (901). Two slide blocks (602) on the same side are slidably connected to the top of the slide rails (902). A partition (903) is provided between the two slide rails (902). The partition (903) is fixed on the base plate (901). A slide track (904) is provided on one side of the base plate (901). The slide track (904) is designed in an inverted V-shape. The slide column (8) is slidably connected in the inverted V-shaped slide track (904).

5. The protective cardboard box compression load-bearing capacity testing device according to claim 4, characterized in that: The drive assembly (10) includes two drive wheels (101). The ends of the two drive wheels (101) are rotatably connected to one side of one of the baffles (1) through bushings. The two drive wheels (101) are covered with a drive belt (102). A first fixing block (103) and a second fixing block (104) are fixed on one side of the top and one side of the bottom of the drive belt (102), respectively. The first fixing block (103) is fixed on one side of the bottom of the second workbench (5), and the second fixing block (104) is fixed on one side of the slide plate (601). One end of one of the drive wheels (101) passes through the baffle (1) and is fixed with a motor (105). The motor (105) is fixed on the outside of the baffle (1).

6. A testing method for a protective cardboard box compression load-bearing capacity testing device, as described in claim 5, characterized in that... The detection method includes the following steps: When testing the compressive strength of the carton, hold the handle (167) on the second workbench (5) and turn it clockwise. This causes the handle to slide the extension rod (166) within the deflection groove (14). The other end of the extension rod (166) then drives the rotating shaft (161) to rotate clockwise. During the rotation of the rotating shaft (161), the torsion spring (164) is torn through the fixed ring (163). At the same time, the top of the rotating shaft (161) drives the deflection disk (155) to rotate. Due to the deflection disk ( The deflector (155) is rotatably connected to the support plate (151) via a bushing, so that the deflector (155) will not drive the support plate (151) to rotate synchronously. During the rotation of the deflector (155), the four sliders (153) are pushed away from each other by the four support rods (152), so that the sliders (153) slide in the groove (12). The T-shaped groove (12) limits the sliders (153) so that the sliders (153) will not fall out of the groove (12) during the sliding process. To improve the stability of the movement of the support rod (152) and the stop rod (154), during this process, the four sliders (153) drive the four stop rods (154) to move away from each other, thereby expanding the space between the four stop rods (154). Next, the carton to be tested is placed on the material tray (151). During the process of releasing the handle (167), the force of the torsion spring (164) drives the rotating shaft (161) to rotate through the fixed ring (163), so that the rotating shaft (161) drives the deflection disk. (155) Rotate counterclockwise, and the deflector (155) will simultaneously pull the support rod (152), so that the four support rods (152) will drive the four sliders (153) and the four stop rods (154) to move closer to each other until the four stop rods (154) contact the outer wall of the carton, which will limit the carton and prevent the carton from shifting under pressure and thus detaching from the material support plate (151). Moreover, during the movement of the stop rods (154), the carton will be pushed towards the center of the material support plate (151). After completing the limiting clamping work of the carton, the motor (105) is started, so that the output shaft of the motor (105) drives the transmission wheel (101) to rotate counterclockwise. The transmission wheel (101) then drives the transmission belt (102) to work. Since the first fixing block (103) is fixed to one side of the bottom of the second workbench (5) and the second fixing block (104) is fixed to one side of the slide plate (601), the top of the transmission belt (102) drives the second workbench (5) to move to the left through the first fixing block (103). The slide at the bottom of the second workbench (5) slides in the track on the baffle (1), improving the stability of the second workbench (5) driving the carton above to move horizontally. The bottom of the transmission belt (102) drives the slide plate (601) to move to the right through the second fixing block (104), so that the slide plate (601) drives the first workbench (4) to move to the right through the four slide rods (603). When the first worktable (4) moves, the sliding column (8) is driven by the bottom plate (7) to slide in the inverted V-shaped slide (904). When the sliding column (8) slides to the lowest point in the slide (904), the sliding column (8) pulls the first worktable (4) down through the plate (7). The first worktable (4) then drives the four sliding rods (603) to slide down on the slide plate (601), improving the stability of the vertical movement of the first worktable (4). During this process, the first worktable (4) moves to the bottom of the second worktable (5). When the second worktable (5) moves into the detection bracket (2), the sliding column (8) slides into the highest point in the slide (904). The plate (7) then drives the first worktable (4) to lift up, so that the first worktable (4) and the second worktable (5) are interchanged, so that the stroke of the first worktable (4) and the second worktable (5) will not interfere. At this time, the carton on the second workbench (5) is located below the detection component (3). By controlling the extension of the electric hydraulic telescopic rod (301) and driving the adjusting plate (302) to move down, the adjusting plate (302) drives the pressure sensor (303) to move down and apply pressure to the top of the carton. At the same time, the applied pressure value is monitored. Since four cameras (304) are installed at equal intervals on the bottom edge of the adjusting plate (302), and the angle between two adjacent cameras (304) is ninety degrees, multiple cameras (304) can capture real-time images of the surface deformation and damage of the carton during the pressure process. Record, combine image recognition algorithm, automatically analyze the location and degree of damage of carton. When the carton is found to be obviously damaged or reaches the preset pressure limit value, the electric hydraulic telescopic rod (301) stops pressurizing and the detection ends. Then the electric hydraulic telescopic rod (301) retracts and drives the pressure sensor (303) to move up through the adjustment plate (302) so that the pressure sensor (303) is away from the carton. During the detection process, hold the handle (167) on the first workbench (4) and turn it clockwise. Similarly, the carton to be detected is installed on the material support plate (151) on the first workbench (4). After completing the inspection of the cartons on the second workbench (5), the control motor (105) is activated, causing the output shaft of the motor (105) to drive the transmission wheel (101) to rotate clockwise. Similarly, during this process, the top of the transmission belt (102) drives the second workbench (5) to move to the right through the first fixing block (103), and the bottom of the transmission belt (102) drives the first workbench (4) to move to the left through the second fixing block (104), so that the first workbench (4) moves the clamped cartons to the area below the inspection assembly (3) for inspection. The second workbench (5) transfers the tested cardboard box to the right side. When removing the cardboard box, hold the handle (167) and turn it clockwise. The other end of the extension rod (166) drives the rotating shaft (161) to rotate clockwise. The top of the rotating shaft (161) drives the deflection disk (155) to rotate. During the rotation, the deflection disk (155) pushes the four sliders (153) and the stop bar (154) away from each other through the four support rods (152), so that the stop bar (154) is away from the cardboard box, so that the tested cardboard box can be removed.

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