Packaging box extrusion test device

Abstract

The present invention relates to a packaging box extrusion test device, comprising: a conveying module, the conveying module is used for intermittently conveying the packaging box; a U-shaped frame, which is installed in the middle of the upper end of the conveying module, and a rectangular groove is provided in the middle of the U-shaped frame; an extrusion module, which is installed in the middle of the upper end of the U-shaped frame, and the extrusion module is used for extruding the packaging box; two moving modules, the two moving modules are respectively installed on the left and right sides of the U-shaped frame; a test module, which is installed between the two moving modules, and the test module is used for deformation detection of the side and corrugated edge of the packaging box after extrusion. The function of deformation detection of the side and corrugated edge of the packaging box is realized.

Description

Technical Field

[0001] The present application relates to the technical field of extrusion testing devices, and in particular to a packaging box extrusion testing device. Background Art

[0002] With the rapid development of the logistics industry, long-distance transportation of goods requires more and more safe and reliable protection. Packing boxes are commonly used in long-distance transportation. During the transportation process, the packaging boxes used as the outer packaging of the goods may have to be stacked in several layers, which requires the packaging boxes to have a certain degree of compression resistance. During long-distance transportation, the cartons bear the responsibility of protecting the products for several days or even dozens of days. At this time, it is particularly important to test the compression performance of the packaging boxes before transportation.

[0003] In the existing packaging box extrusion test device, such as the Chinese patent with announcement number CN203178067U, a carton extrusion test device is disclosed, which specifically includes a base, a door frame, an electronic scale, a movable pressure plate and a screw. The door frame is vertically fixed on the base, and an electronic scale is installed on the base. The movable pressure plate is slidably installed in the door frame above the electronic scale, and the screw is installed on the door frame. The lower end of the door frame is mounted on the movable pressure plate.

[0004] In the above-mentioned prior art, the function of squeezing test on packaging boxes can also be realized. However, on the first hand, when inspecting the packaging boxes in the above-mentioned prior art, it is necessary to manually observe whether the packaging boxes are deformed and creased, which may cause inaccurate detection results due to human factors, and is not conducive to the subsequent use and stacking of the packaging boxes; on the second hand, when squeezing the packaging boxes in the above-mentioned prior art, it is necessary to manually carry the packaging boxes for loading and unloading, and continuous detection cannot be achieved, which affects the detection efficiency of the packaging boxes. Based on this, there is still room for improvement on the existing packaging box squeezing test device technology. Summary of the invention

[0005] In order to realize the deformation detection function of the sides and edges of the packaging box, the present application provides a packaging box extrusion testing device.

[0006] The packaging box extrusion test device provided in this application adopts the following technical solution:

[0007] The packaging box extrusion test device includes: a conveying module, which is used for intermittently conveying the packaging box; a U-shaped frame, which is installed in the middle of the upper end of the conveying module, and a rectangular groove is provided in the middle of the U-shaped frame; an extrusion module, which is installed in the middle of the upper end of the U-shaped frame, and the extrusion module is used to extrude the packaging box; two moving modules, which are respectively installed on the left and right side surfaces of the U-shaped frame; a test module, which is installed between the two moving modules, and the test module is used to perform deformation detection on the side and edge of the packaging box after extrusion.

[0008] Preferably, the conveying module includes a support frame, a circular frame, rotating rollers, a driving motor, a conveyor belt, a positioning pad and a support plate. The support frame is a U-shaped structure, a circular frame is installed between the upper ends of the support frames, rotating rollers are symmetrically installed on the inner side of the circular frame through bearings, a driving motor is installed on the support frame through a motor seat, the output shaft of the driving motor is connected to the rotating rollers, a conveyor belt is installed between the rotating rollers, positioning pads are evenly installed on the conveyor belt, the positioning pads are U-shaped, the positioning pads are made of flexible material, and a support plate is installed in the middle of the inner side of the circular frame.

[0009] Preferably, the extrusion module includes a top plate frame, a cylinder, a pressure plate and a telescopic rod. The top plate frame is installed in the middle of the upper end of the U-shaped frame. The top plate frame has a U-shaped structure. The cylinder is installed in the middle of the inner side of the top plate frame. The top of the cylinder is installed with a pressure plate through a rectangular groove. The telescopic rods are symmetrically installed on the inner side of the top plate frame, and the telescopic rods are connected to the pressure plate.

[0010] Preferably, the mobile module includes a slide rail frame, an electric slide and a connecting frame, the slide rail frame is installed on the inner side of the U-shaped frame, the electric slide is installed in the middle of the slide rail frame, the connecting frame is installed in the middle of the electric slide, and the test module is installed between the connecting frames by bolts.

[0011] Preferably, the test module includes a rectangular frame, a rotating unit, a side detection unit and an edge detection unit. A rectangular frame is installed between the moving modules. The rectangular frame is a rectangular hollow structure. A rotating groove is provided in the middle of the rectangular frame. The rotating unit is installed in the rotating groove. The side detection units are evenly installed on the upper end of the rotating unit, and the edge detection units are evenly installed on the lower end of the rotating unit.

[0012] Preferably, the rotating unit comprises a rotating disk, a rack plate, an upper threaded disk, a slider one, a lower threaded disk and a slider two, wherein the rotating disk is rotatably arranged in the rotating groove, a rack plate is installed in the middle of the outer side of the rotating disk, the rack plate is in a circular ring shape, an upper threaded disk is installed at the upper end of the rotating disk, the upper end surface of the upper threaded disk is provided with a plane thread, the upper end surface of the rectangular frame is evenly provided with a slide groove one, the slide groove one is connected with the rotating groove, a slider one is slidably arranged in the slide groove one, the slider one is connected to the upper end surface of the upper threaded disk by thread matching, a side detection unit is installed on the inner side of the slider one, a lower threaded disk is installed at the lower end of the rotating disk, a plane thread is provided on the lower end surface of the lower threaded disk, a slide groove two is evenly arranged on the lower end surface of the rectangular frame, the slide groove two is connected with the rotating groove, a slider two is slidably arranged in the slide groove two, the slider two is connected to the lower end surface of the lower threaded disk by thread matching, and an edge detection unit is installed on the inner side of the slider two.

[0013] Preferably, the side detection unit includes a T-shaped frame, a rectangular plate, a sleeve, a T-shaped rod, a compression spring and a distance sensor, a T-shaped frame is installed on the inner side of the slider, a through groove is arranged in the middle of the T-shaped frame, a rectangular plate is installed on the outer side of the through groove, through holes are evenly arranged on the rectangular plate, a sleeve is evenly installed on the inner side of the through groove, a T-shaped rod is slidably arranged in the sleeve, the T-shaped rod is located in the through hole, a compression spring is installed between the T-shaped rod and the sleeve, and a distance sensor is installed in the middle of the inner end of the T-shaped rod.

[0014] Preferably, the edge detection unit comprises a right-angle frame, a sealing cylinder, a piston rod, a tension spring, an airbag, an extrusion frame, a push rod, a reset spring and an alarm. A right-angle frame is installed on the inner side of the second slider. Grooves are symmetrically arranged at the ends of the right-angle frame. A sealing cylinder is installed in the groove. A piston rod is sealingly and slidingly arranged in the sealing cylinder. The end of the piston rod is a smooth structure. A tension spring is installed between the piston rod and the sealing cylinder. An airbag is installed in the middle of the right-angle frame. The airbag is connected to the sealing cylinder. An extrusion frame is installed on the inner side of the airbag. A cylindrical groove is arranged at the end of the piston rod. A push rod is slidably arranged in the cylindrical groove. The push rod has a T-shaped structure. A reset spring is installed at the inner end of the push rod. An alarm is installed in the cylindrical groove. The alarm cooperates with the push rod.

[0015] In summary, the present application includes at least one of the following beneficial technical effects:

[0016] In the present invention, a testing module is provided. When the packaging box is inspected, the moving module drives the rectangular frame to move downward, and the rotating unit rotates to drive the side detection unit and the edge detection unit to extend toward the packaging box, so that the side detection unit and the edge detection unit are in close contact with the packaging box. The side detection unit detects the four sides of the packaging box, and the edge detection unit detects the four edges of the packaging box. The side detection unit and the edge detection unit can completely detect the outer side of the packaging box, thereby ensuring the accuracy of the detection result and the quality of the packaging box.

[0017] The present invention provides a side detection unit. When the packaging box is detected, the rotating disk rotates at a constant speed, and the slider drives the T-shaped frame to approach the side of the packaging box. The T-shaped rod is squeezed by the packaging box and moves into the sleeve. The compression spring is gradually compressed. When the rotating disk stops rotating, the inner end of the T-shaped rod is located at the center position in the sleeve. At this time, the value of the distance sensor is the initial value 0. After that, the rectangular frame moves downward. When the side of the packaging box is squeezed and bends inward or outward, the T-shaped rod is tightly attached to the side of the packaging box under the action of the compression spring, and the value sensed by the distance sensor changes, realizing the function of detecting the curvature of the side of the packaging box. According to the curvature of the side of the packaging box, the thickness, quality, etc. of the packaging box can be judged. According to the actual needs, different materials can be packaged with suitable packaging boxes to save the use cost of the packaging boxes.

[0018] The present invention provides a hem detection unit. When the packaging box is inspected, the rotating disk rotates at a uniform speed, and the second slider drives the right-angle frame to approach the hem of the packaging box, and the extrusion frame gradually clings to the hem of the packaging box. After that, the extrusion frame is squeezed and squeezes the airbag, so that the gas in the airbag flows into the sealing tube, and the piston rod extends out of the groove, and the tension spring is compressed. When the push rod contacts and squeezes the packaging box, the push rod shrinks into the cylindrical groove, and the reset spring is gradually compressed. When the end of the push rod contacts the alarm, the alarm opens. At this time, the rotating disk stops rotating. After that, the push rod is in close contact with the packaging box and moves up and down. When the packaging box is squeezed and the hem produces creases, the push rod extends into the creases under the action of the reset spring. At this time, the push rod is separated from the alarm, and the alarm sends a signal, that is, the force applied to the packaging box at this time will produce creases, thereby realizing the detection of the quality of the packaging box and ensuring that the subsequent packaging boxes will not be deformed or collapsed when stacked. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of this application.

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the transmission module of the present application.

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure between the U-shaped frame, the extrusion module, the moving module and the testing module of the present application.

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the test module of the present application.

[0024] Figure 5 It is a schematic diagram of the cross-section structure of the test module of this application.

[0025] Figure 6 This application Figure 5 A magnified schematic diagram of center A.

[0026] Figure 7 It is a schematic diagram of the cross-sectional structure of the side detection unit of the present application.

[0027] Figure 8 It is a schematic diagram of the cross-sectional structure of the edge detection unit of the present application.

[0028] Description of reference numerals: 1. conveying module; 11. supporting frame; 12. circular frame; 13. rotating roller; 14. driving motor; 15. conveyor belt; 16. positioning pad; 17. supporting plate; 2. U-shaped frame; 3. extrusion module; 31. top plate frame; 32. cylinder; 33. pressing plate; 34. telescopic rod; 4. moving module; 41. slide rail frame; 42. electric slide; 43. connecting frame; 5. testing module; 51. rectangular frame; 52. rotating unit; 521. rotating disk; 522. rack plate; 523 , upper threaded disk; 524, slider one; 525, lower threaded disk; 526, slider two; 53, side detection unit; 531, T-shaped frame; 532, rectangular plate; 533, sleeve; 534, T-shaped rod; 535, compression spring; 536, distance sensor; 54, edge detection unit; 541, right-angle frame; 542, sealing cylinder; 543, piston rod; 544, tension spring; 545, airbag; 546, extrusion frame; 547, push rod; 548, reset spring; 549, alarm. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-8 This application is described in further detail.

[0030] The embodiment of the present application discloses a packaging box extrusion testing device, which can realize the deformation detection function of the side and edge of the packaging box.

[0031] Reference Figure 1 As shown, the packaging box extrusion test device disclosed in this embodiment includes: a conveying module 1, which is used for intermittently conveying the packaging box; a U-shaped frame 2, which is installed in the middle of the upper end of the conveying module 1, and a rectangular groove is provided in the middle of the U-shaped frame 2; an extrusion module 3, which is installed in the middle of the upper end of the U-shaped frame 2, and the extrusion module 3 is used to extrude the packaging box; two moving modules 4, which are respectively installed on the left and right side surfaces of the U-shaped frame 2; a test module 5, which is installed between the two moving modules 4, and the test module 5 is used to perform deformation detection on the sides and edges of the packaging box after extrusion.

[0032] During actual use, the packaging boxes are evenly arranged on the conveying module 1, and the conveying module 1 drives the packaging boxes to move intermittently. When the packaging boxes move to the bottom of the U-shaped frame 2, the extrusion module 3 squeezes the packaging boxes, and the moving module 4 drives the testing module 5 to move up and down reciprocatingly. The testing module 5 detects the sides and edges of the packaging boxes. After the detection is completed, the moving module 4 drives the testing module 5 to reset, the extrusion module 3 is reset, and the conveying module 1 drives the packaging boxes to continue to move, and unqualified packaging boxes are manually removed.

[0033] Reference Figure 2As shown, the conveying module 1 includes a support frame 11, a circular frame 12, a rotating roller 13, a driving motor 14, a conveyor belt 15, a positioning pad 16 and a support plate 17. The support frame 11 is a U-shaped structure. The circular frame 12 is installed between the upper ends of the support frame 11. The rotating roller 13 is symmetrically installed on the inner side of the circular frame 12 through bearings. The driving motor 14 is installed on the support frame 11 through a motor seat. The output shaft of the driving motor 14 is connected to the rotating roller 13. A conveyor belt 15 is installed between the rotating rollers 13. Positioning pads 16 are evenly installed on the conveyor belt 15. The positioning pads 16 are U-shaped and made of flexible material. A support plate 17 is installed in the middle of the inner side of the circular frame 12.

[0034] During actual use, the packaging box is placed on the conveyor belt 15 manually or mechanically so that the lower end of the packaging box is in close contact with the positioning pad 16. Then, the driving motor 14 drives the conveyor belt 15 to rotate at a constant speed through the rotating roller 13, and the conveyor belt 15 transports the packaging box. When the packaging box just moves to the bottom of the extrusion module 3, the driving motor 14 stops rotating, the extrusion module 3 moves downward to extrude the packaging box, the support plate 17 supports the packaging box, and the moving module 4 drives the test module 5 to move up and down reciprocatingly, and the test module 5 detects the side and edge of the packaging box. After the detection is completed, the moving module 4 drives the test module 5 to reset, the extrusion module 3 resets, and the conveyor belt 15 drives the packaging box to continue moving. Unqualified packaging boxes are manually removed, thereby realizing the function of continuous extrusion detection of packaging boxes and improving the detection efficiency of packaging boxes.

[0035] Reference Figure 3 As shown, the extrusion module 3 includes a top plate frame 31, a cylinder 32, a pressure plate 33 and a telescopic rod 34. The top plate frame 31 is installed in the middle of the upper end of the U-shaped frame 2. The top plate frame 31 is in a U-shaped structure. The cylinder 32 is installed in the middle of the inner side of the top plate frame 31. The top end of the cylinder 32 is installed with a pressure plate 33 through a rectangular groove. The telescopic rod 34 is symmetrically installed on the inner side of the top plate frame 31, and the telescopic rod 34 is connected to the pressure plate 33.

[0036] In actual use, when the conveyor belt 15 drives the packaging box to move to the bottom of the U-shaped frame 2, the cylinder 32 drives the pressure plate 33 to move downward and squeeze the upper end surface of the packaging box. The telescopic rod 34 can maintain the balance of the pressure plate 33, so that the upper end surface of the packaging box is evenly stressed, preventing the pressure plate 33 from tilting during squeezing and affecting the test results.

[0037] It should be noted that when the cylinder 32 drives the pressure plate 33 to squeeze, it can apply a gradually increasing pressure or directly apply the maximum force that needs to be tested. The test module 5 detects the packaging box multiple times. When the packaging box is detected to be intact, the packaging box meets the requirements of use and can be used for packaging and transportation; when the packaging box is detected to have creases and damages, the packaging box does not meet the requirements of use and is manually rejected and recycled.

[0038] Reference Figure 3 As shown, the mobile module 4 includes a slide rail frame 41, an electric slide 42 and a connecting frame 43. The slide rail frame 41 is installed on the inner side of the U-shaped frame 2, the electric slide 42 is installed in the middle of the slide rail frame 41, the connecting frame 43 is installed in the middle of the electric slide 42, and the test module 5 is installed between the connecting frames 43 by bolts.

[0039] During actual use, in the initial state, the test module 5 is located at the upper end of the U-shaped frame. When the packaging box is inspected, the electric slide 42 drives the connecting frame 43 to move downward, and the test module 5 moves synchronously with the connecting frame 43. At the same time, the test module 5 inspects the sides and edges of the packaging box. After that, the electric slide 42 drives the test module 5 to reciprocate through the connecting frame 43. The test module 5 inspects the packaging box multiple times to ensure the accuracy of the test results. After the inspection is completed, the electric slide 42 drives the connecting frame 43 to reset.

[0040] Reference Figure 5 As shown, the test module 5 includes a rectangular frame 51, a rotating unit 52, a side detection unit 53 and a ribbed edge detection unit 54. The rectangular frame 51 is installed between the moving modules 4. The rectangular frame 51 is a rectangular hollow structure. A rotating groove is provided in the middle of the rectangular frame 51. The rotating unit 52 is installed in the rotating groove. The side detection unit 53 is evenly installed on the upper end of the rotating unit 52, and the ribbed edge detection unit 54 is evenly installed on the lower end of the rotating unit 52.

[0041] During actual use, when the packaging box is inspected, the moving module 4 drives the rectangular frame 51 to move downward, and the rotating unit 52 rotates to drive the side detection unit 53 and the edge detection unit 54 to extend toward the packaging box, so that the side detection unit 53 and the edge detection unit 54 are in close contact with the packaging box, the side detection unit 53 detects the four sides of the packaging box, and the edge detection unit 54 detects the four edges of the packaging box. The side detection unit 53 and the edge detection unit 54 can completely detect the outer side of the packaging box to ensure the accuracy of the detection result and the quality of the packaging box.

[0042] Reference Figure 5 and Figure 6As shown, the rotating unit 52 includes a rotating disk 521, a rack plate 522, an upper threaded disk 523, a slider 1 524, a lower threaded disk 525 and a slider 2 526. The rotating disk 521 is rotatably arranged in the rotating groove, and a rack plate 522 is installed in the middle of the outer side of the rotating disk 521. The rack plate 522 is annular. An upper threaded disk 523 is installed on the upper end of the rotating disk 521. The upper end surface of the upper threaded disk 523 is provided with a flat thread. The upper end surface of the rectangular frame 51 is evenly provided with a slide groove 1, which is connected to the rotating groove, and a slider 1 is slidably arranged in the slide groove 1. 24. The slider 1 524 is connected to the upper end surface of the upper threaded disk 523 by means of threaded fit. A side detection unit 53 is installed on the inner side of the slider 1 524. A lower threaded disk 525 is installed at the lower end of the rotating disk 521. A flat thread is provided on the lower end surface of the lower threaded disk 525. A slide groove 2 is evenly provided on the lower end surface of the rectangular frame 51. The slide groove 2 is connected to the rotating groove. A slider 2 526 is slidably provided in the slide groove 2. The slider 2 526 is connected to the lower end surface of the lower threaded disk 525 by means of threaded fit. An edge detection unit 54 is installed on the inner side of the slider 2 526.

[0043] During actual use, a motor is installed on the rectangular frame 51, and a gear is installed on the output shaft of the motor. The gear is meshed with the rack plate 522. When the packaging box is inspected, the motor drives the gear to rotate, and the gear drives the rotating disk 521 to rotate through the rack plate 522. The upper threaded disk 523 and the lower threaded disk 525 rotate synchronously with the rotating disk 521, and the slider 1 524 and the slider 2 526 that are threadedly matched with the upper threaded disk 523 and the lower threaded disk 525 extend toward the packaging box, and the side detection unit 53 and the edge detection unit 54 move synchronously, so that the side detection unit 53 is in close contact with the side of the packaging box, and the edge detection unit 54 is in close contact with the edge of the packaging box. After the inspection is completed, the motor drives the gear to rotate in the opposite direction, so that the slider 1 524 and the slider 2 526 are reset, and the side detection unit 53 and the edge detection unit 54 are reset synchronously.

[0044] It should be noted that the nominal diameter of the planar thread on the upper end face of the upper threaded disk 523 matches the nominal diameter of the planar thread on the lower end face of the lower threaded disk 525, so that when the rotating disk 521 drives the upper threaded disk 523 and the lower threaded disk 525 to rotate at the same angle, the slider 524 drives the side detection unit 53 to be in close contact with the side of the packaging box, and at the same time, the edge detection unit 54 is just in close contact with the edge of the packaging box, thereby realizing the function of the side detection unit 53 and the edge detection unit 54 being in close contact with the packaging box at the same time.

[0045] Reference Figure 7As shown, the side detection unit 53 includes a T-shaped frame 531, a rectangular plate 532, a sleeve 533, a T-shaped rod 534, a clamping spring 535 and a distance sensor 536. The T-shaped frame 531 is installed on the inner side of the slider 524, a through groove is arranged in the middle of the T-shaped frame 531, a rectangular plate 532 is installed on the outer side of the through groove, through holes are evenly arranged on the rectangular plate 532, sleeves 533 are evenly installed on the inner side of the through groove, a T-shaped rod 534 is slidably arranged in the sleeve 533, the T-shaped rod 534 is located in the through hole, a clamping spring 535 is installed between the T-shaped rod 534 and the sleeve 533, and a distance sensor 536 is installed in the middle of the inner end of the T-shaped rod 534.

[0046] When the packing box is inspected, the rotating disk 521 rotates at a constant speed, and the slider 1 524 drives the T-shaped frame 531 to approach the side of the packing box. The T-shaped rod 534 is squeezed by the packing box and moves into the sleeve 533, and the compression spring 535 is gradually compressed. When the rotating disk 521 stops rotating, the inner end of the T-shaped rod 534 is located at the center position in the sleeve 533. At this time, the value of the distance sensor 536 is the initial value 0. After that, the rectangular frame 51 moves downward. When the side of the packing box is squeezed and bends inward or outward, the T-shaped rod 534 is tightly attached to the side of the packing box under the action of the compression spring 535, and the value sensed by the distance sensor 536 changes, thereby realizing the function of detecting the curvature of the side of the packing box. According to the curvature of the side of the packing box, the thickness, quality, etc. of the packing box can be judged. According to the actual needs, a suitable packing box can be used to pack different materials to save the use cost of the packing box. After the detection is completed, the rotating disk 521 rotates in the opposite direction to reset the slider 1 524 and the slider 2 526.

[0047] Reference Figure 8 As shown, the edge detection unit 54 includes a right-angle frame 541, a sealing cylinder 542, a piston rod 543, a tension spring 544, an airbag 545, an extrusion frame 546, a push rod 547, a reset spring 548 and an alarm 549. The right-angle frame 541 is installed on the inner side of the slider 2 526. The end of the right-angle frame 541 is symmetrically provided with grooves, and the sealing cylinder 542 is installed in the groove. The piston rod 543 is sealed and slidably arranged in the sealing cylinder 542. The end of the piston rod 543 is a smooth structure. A tension spring 544 is installed between the rod 543 and the sealing cylinder 542, an airbag 545 is installed in the middle of the right-angle frame 541, the airbag 545 is connected with the sealing cylinder 542, an extrusion frame 546 is installed on the inner side of the airbag 545, a cylindrical groove is provided at the end of the piston rod 543, a push rod 547 is slidably provided in the cylindrical groove, the push rod 547 is in a T-shaped structure, a return spring 548 is installed on the inner end of the push rod 547, an alarm 549 is installed in the cylindrical groove, and the alarm 549 cooperates with the push rod 547.

[0048] In actual use, when the packaging box is inspected, the rotating disk 521 rotates at a constant speed, the slider 526 drives the right-angle frame 541 to approach the edge of the packaging box, and the extrusion frame 546 gradually clings to the edge of the packaging box. After that, the extrusion frame 546 is squeezed and squeezes the airbag 545, so that the gas in the airbag 545 flows into the sealing tube 542, the piston rod 543 extends out of the groove, and the tension spring 544 is compressed. When the push rod 547 contacts and squeezes the packaging box, the push rod 547 shrinks into the cylindrical groove, and the return spring 548 is compressed gradually. When the end of the push rod 547 contacts the alarm 549, the alarm 549 turns on. At this time, the rotating disk 521 stops rotating. Thereafter, the push rod 547 is in close contact with the packaging box and moves up and down. When the packaging box is squeezed and a crease is produced on the edge, the push rod 547 extends into the crease under the action of the reset spring 548. At this time, the push rod 547 is separated from the alarm 549, and the alarm 549 sends a signal, namely, the force applied to the packaging box at this time will produce a crease, thereby realizing the detection of the quality of the packaging box and ensuring that the subsequent packaging boxes will not be deformed or collapsed when stacked.

[0049] The implementation principle of this embodiment is:

[0050] 1: Positioning and conveying: the packaging box is placed on the conveyor belt 15 manually or mechanically so that the lower end of the packaging box is in close contact with the positioning pad 16. Then, the driving motor 14 drives the conveyor belt 15 to rotate at a constant speed through the rotating roller 13. The conveyor belt 15 conveys the packaging box. When the packaging box just moves to the bottom of the extrusion module 3, the driving motor 14 stops rotating.

[0051] 2: Move closely, the moving module 4 drives the rectangular frame 51 to move downward, the motor drives the gear to rotate, the gear drives the rotating disk 521 to rotate through the rack plate 522, the upper threaded disk 523 and the lower threaded disk 525 rotate synchronously with the rotating disk 521, the slider 1 524 and the slider 2 526 that are threadedly matched with the upper threaded disk 523 and the lower threaded disk 525 extend toward the packaging box, the side detection unit 53 and the edge detection unit 54 move synchronously, so that the side detection unit 53 is in close contact with the side of the packaging box, and the edge detection unit 54 is in close contact with the edge of the packaging box.

[0052] 3: Detection and reset. The side detection unit 53 detects the four sides of the packaging box, and the edge detection unit 54 detects the four edges of the packaging box. After the detection is completed, the motor drives the gear to rotate in the opposite direction, so that the slider 1 524 and the slider 2 526 are reset, the side detection unit 53 and the edge detection unit 54 are reset synchronously, and the moving module 4 drives the rectangular frame 51 to reset upward.

[0053] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Packaging box extrusion test device, characterized in that: include: A conveying module (1), the conveying module (1) is used for intermittently conveying packaging boxes; A U-shaped frame (2) is installed in the middle of the upper end of the transmission module (1), and a rectangular groove is provided in the middle of the U-shaped frame (2); An extrusion module (3) is installed at the middle of the upper end of the U-shaped frame (2), and the extrusion module (3) is used to extrude the packaging box; There are two mobile modules (4), and the two mobile modules (4) are respectively installed on the left and right side surfaces of the U-shaped frame (2); A testing module (5) is installed between the two moving modules (4), and the testing module (5) is used to perform deformation detection on the sides and edges of the packaging box after being squeezed; The test module (5) comprises a rectangular frame (51), a rotating unit (52), a side detection unit (53) and a fringing detection unit (54); the rectangular frame (51) is installed between the moving modules (4); the rectangular frame (51) is a rectangular hollow structure; a rotating groove is provided in the middle of the rectangular frame (51); the rotating unit (52) is installed in the rotating groove; the side detection unit (53) is evenly installed on the upper end of the rotating unit (52); and the fringing detection unit (54) is evenly installed on the lower end of the rotating unit (52); The rotating unit (52) comprises a rotating disk (521), a rack plate (522), an upper threaded disk (523), a slider 1 (524), a lower threaded disk (525) and a slider 2 (526); the rotating disk (521) is rotatably arranged in the rotating groove; a rack plate (522) is installed in the middle of the outer side of the rotating disk (521); the rack plate (522) is in a circular ring shape; an upper threaded disk (523) is installed at the upper end of the rotating disk (521); a plane thread is arranged on the upper end surface of the upper threaded disk (523); a slide groove 1 is evenly arranged on the upper end surface of the rectangular frame (51); the slide groove 1 is connected to the rotating groove; a slider 1 is slidably arranged in the slide groove 1 524), the slider 1 (524) is connected to the upper end surface of the upper threaded disk (523) by means of threaded matching, the inner side of the slider 1 (524) is equipped with a side detection unit (53), the lower end of the rotating disk (521) is equipped with a lower threaded disk (525), the lower end surface of the lower threaded disk (525) is provided with a plane thread, the lower end surface of the rectangular frame (51) is evenly provided with a second slide groove, the second slide groove is connected to the rotating groove, the slider 2 (526) is slidably arranged in the second slide groove, the slider 2 (526) is connected to the lower end surface of the lower threaded disk (525) by means of threaded matching, and the inner side of the slider 2 (526) is equipped with a ridge detection unit (54); The side detection unit (53) comprises a T-shaped frame (531), a rectangular plate (532), a sleeve (533), a T-shaped rod (534), a compression spring (535) and a distance sensor (536); the T-shaped frame (531) is installed on the inner side of the slider (524); a through slot is arranged in the middle of the T-shaped frame (531); a rectangular plate (532) is installed on the outer side of the through slot; through holes are evenly arranged on the rectangular plate (532); a sleeve (533) is evenly installed on the inner side of the through slot; a T-shaped rod (534) is slidably arranged in the sleeve (533); the T-shaped rod (534) is located in the through hole; a compression spring (535) is installed between the T-shaped rod (534) and the sleeve (533); and a distance sensor (536) is installed in the middle of the inner end of the T-shaped rod (534); The edge detection unit (54) comprises a right-angle frame (541), a sealing cylinder (542), a piston rod (543), a tension spring (544), an airbag (545), an extrusion frame (546), a push rod (547), a reset spring (548) and an alarm (549). The right-angle frame (541) is installed on the inner side of the second slider (526). Grooves are symmetrically arranged at the end of the right-angle frame (541). The sealing cylinder (542) is installed in the groove. The piston rod (543) is sealingly and slidably arranged in the sealing cylinder (542). The end of the piston rod (543) is a smooth structure. A tension spring (544) is installed between the piston rod (543) and the sealing cylinder (542), an air bag (545) is installed in the middle of the right angle frame (541), the air bag (545) is connected to the sealing cylinder (542), an extrusion frame (546) is installed on the inner side of the air bag (545), a cylindrical groove is arranged at the end of the piston rod (543), a push rod (547) is slidably arranged in the cylindrical groove, the push rod (547) is in a T-shaped structure, a return spring (548) is installed on the inner side end of the push rod (547), an alarm (549) is installed in the cylindrical groove, and the alarm (549) cooperates with the push rod (547).

2. The packaging box compression test device according to claim 1, characterized in that: The conveying module (1) comprises a support frame (11), a circular frame (12), a rotating roller (13), a driving motor (14), a conveyor belt (15), a positioning pad (16) and a support plate (17); the support frame (11) is a U-shaped structure; a circular frame (12) is installed between the upper ends of the support frame (11); the rotating roller (13) is symmetrically installed on the inner side of the circular frame (12) through bearings; the driving motor (14) is installed on the support frame (11) through a motor seat; the output shaft of the driving motor (14) is connected to the rotating roller (13); the conveyor belt (15) is installed between the rotating rollers (13); the positioning pads (16) are evenly installed on the conveyor belt (15); the positioning pads (16) are U-shaped and made of flexible material; the support plate (17) is installed in the middle of the inner side of the circular frame (12).

3. The packaging box compression test device according to claim 1, characterized in that: The extrusion module (3) comprises a top plate frame (31), a cylinder (32), a pressure plate (33) and a telescopic rod (34); the top plate frame (31) is installed in the middle of the upper end of the U-shaped frame (2); the top plate frame (31) is in a U-shaped structure; the cylinder (32) is installed in the middle of the inner side of the top plate frame (31); the pressure plate (33) is installed at the top end of the cylinder (32) through a rectangular groove; the telescopic rod (34) is symmetrically installed on the inner side of the top plate frame (31); the telescopic rod (34) is connected to the pressure plate (33).

4. The packaging box compression test device according to claim 1, characterized in that: The mobile module (4) comprises a slide rail frame (41), an electric slide platform (42) and a connecting frame (43); the slide rail frame (41) is installed on the inner side of the U-shaped frame (2); the electric slide platform (42) is installed in the middle of the slide rail frame (41); the connecting frame (43) is installed in the middle of the electric slide platform (42); and the test module (5) is installed between the connecting frames (43) by bolts.

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