Strength detection device for paperboard processing

Abstract

The invention relates to the technical field of paperboard detection, in particular to a strength detection device for paperboard processing. According to the technical scheme, the device comprises a first supporting table, a first conveying belt is installed at the top end of the first supporting table, and a second supporting table is arranged on one side of the first supporting table, the humidity in a cover frame can be controlled within a specified range through a control structure, so that the humidity of inner paperboards is controlled, and when the humidity of the paperboards reaches the specified range, the paperboards are conveyed to the second supporting table. When the paper boards need to be taken out, the first conveying belt can be started to open the sealing plate, so that a set of paper boards are taken out of the cover frame, when the paper boards do not need to be taken out, operation of the first conveying belt can be stopped, and the adjusting structure is matched with the sealing structure to close the sealing plate, so that the interior of the cover frame is sealed, and external humid air is prevented from entering the cover frame; and the paperboard in the cover frame is kept at the humidity suitable for detection, so that the problem that the paperboard is easily influenced by humid air before being detected is solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of paperboard detection, in particular to a strength detection device for paperboard processing. BACKGROUND

[0002] Paperboard, also known as corrugated paperboard, is a material made of paper pulp, which is usually composed of face paper and corrugated paper. Due to its good protection effect, the paperboard is widely used in the fields of packaging, printing and stationery. The corrugated paperboard has the characteristics of high strength, good protection and printing adaptability. After the paperboard is produced, a detection device needs to be used to detect the strength of the paperboard.

[0003] When the strength of the paperboard needs to be detected, the humidity of the paperboard needs to be kept in a specified range. However, the existing paperboard detection device usually does not have a humidity control device. A few manufacturers that have a humidity control device will take the paperboard out of the humidity control device, and the paperboard will be affected by the humidity in the surrounding air again. Since the paperboard in the humidity control device is arranged in multiple groups, the paperboard at the back is more affected by the humidity in the air. In humid or dry areas, the paperboard at the back will be quickly affected by the humidity or dryness, so the paperboard at the back is prone to inaccurate detection results. Therefore, the application provides a strength detection device for paperboard processing. SUMMARY

[0004] The application aims to solve the problem that the paperboard is easily affected by humid air before detection in the background art, and provides a strength detection device for paperboard processing.

[0005] The technical scheme of the application is a strength detection device for paperboard processing, which comprises a first supporting table, a first conveying belt mounted at the top end of the first supporting table, a second supporting table arranged on one side of the first supporting table, a second conveying belt mounted at the top end of the second supporting table, a mounting frame mounted on one side of the second supporting table, a hydraulic rod fixedly connected to the inner wall of the mounting frame, a detection head fixedly connected to the output end of the hydraulic rod, a cover frame fixedly connected to the top end of the first supporting table, a cover plate rotatably connected to the top end of the cover frame, and a storage assembly arranged on the cover frame for keeping the paperboard at a specified humidity for detection, wherein the storage assembly comprises a control structure, a closing structure and an adjusting structure. The control structure is used to control the humidity in the cover frame. The closing structure is used to control the closing and opening of the outlet of the paperboard, and the closing structure comprises a closing plate arranged at the bottom of one side of the cover frame. The adjusting structure is used to adjust the position of the closing plate when the first conveying belt is running. The top end of the second supporting table is provided with an edge trimming assembly for trimming the edges of the paperboard.

[0006] Optionally, the control structure includes a controller fixed to one side of the cover frame, a detector fixed to the bottom of the cover plate, and a humidifier and a dehumidifier fixed to the top of the cover plate, respectively, with the humidifier and dehumidifier arranged in parallel.

[0007] Optionally, the enclosed structure further includes a first gear, which is fixedly connected to the drive shaft of the first conveyor belt. A first rack is meshed on one side of the first gear. The first rack is slidably disposed on the top of the first support platform. An installation groove is provided at the bottom of the first rack. A short rod is slidably connected to the inner wall of the installation groove. A bottom block is fixedly connected to the bottom of the short rod. A first spring is fixedly connected to the inner wall of the installation groove. The top of the first spring is fixedly connected to one side of the short rod. The first rack is installed on one side of the sealing plate through an adjustment structure. A side groove is provided on one side of the cover frame. The sealing plate is slidably connected to the inner wall of the side groove. A side plate is fixedly connected to one side of the cover frame. The sealing plate is disposed between the side plate and the side groove.

[0008] Optionally, the adjustment structure includes a first motor mounted on one side of the sealing plate. A second gear is fixedly connected to the output end of the first motor. The second gear is disposed on the inner wall of the sealing plate. A first transmission rod is fixedly connected to one side of the first rack. The top end of the first transmission rod is provided with multiple sets of protruding teeth. The top end of the first transmission rod meshes with the bottom of the second gear through the protruding teeth. A second transmission rod is provided at the top end of the second gear. The bottom of the second transmission rod is also provided with multiple sets of protruding teeth. The bottom of the second transmission rod meshes with the top end of the second gear through the protruding teeth. Both the first transmission rod and the second transmission rod are slidably connected to the inner wall of the sealing plate. Two sets of the first rack and the first gear are provided and symmetrically distributed on both sides of the first conveyor belt. The second transmission rod is fixedly connected to one side of the other set of the first rack.

[0009] Optionally, the trimming assembly includes a cutting structure, an adjusting structure, and a collecting structure. The cutting structure includes a bracket, which is fixed to one side of the cover frame. A second motor is fixed to one side of the bracket, and a transmission rod is fixed to the output end of the second motor. A cylinder is fixed to one end of the transmission rod, and a cutter is fitted on the outer wall of the cylinder. Two sets of cutters are arranged in parallel on the outer wall of the cylinder. A third support is provided on one side of the second support, and a third conveyor belt is installed at the top of the third support. The mounting frame is located between the second support and the third support.

[0010] Optionally, the adjustment structure includes a micro motor fixed to the outer wall of the cylinder. A first bevel gear is fixed to the output end of the micro motor. A second bevel gear meshes with one side of the first bevel gear. A round rod is fixed to the center of the second bevel gear. A threaded rod is fixed to one end of the round rod. The threaded rod is rotatably connected to the inner wall of the cylinder. A nut is threaded to the outer wall of the threaded rod. A connecting block is fixed to the top of the nut. A groove is provided at the top of the cylinder. The connecting block is slidably connected to the inner wall of the groove. The top of the connecting block is fixed to the inner wall of the cutter. Two sets of the threaded rod, nut, and connecting block are provided and symmetrically distributed on both sides of the round rod.

[0011] Optionally, the collection structure includes a side frame, which is fixed to one side of the second support platform. A fan is fixed inside the side frame, and a baffle is fixed inside the side frame. The baffle is disposed on one side of the fan, and a collection frame is fixed to the bottom of the side frame.

[0012] Optionally, a cam is fixed to the outer wall of the transmission rod, a base plate is fixed to the inner wall of the side frame, a second spring is fixed to the top of the base plate, a push plate is fixed to the top of the second spring, a slide rod is fixed to the top of the push plate, multiple cleaning rods are fixed to one side of the slide rod, the cleaning rods are attached to one side of the baffle, the top of the slide rod is located at the bottom of the cam, a limit frame is fixed to the top of the base plate, and the slide rod is slidably connected to the inner wall of the limit frame.

[0013] Optionally, a sealing gasket is fixed to the bottom of the cover plate, the bottom of the sealing gasket is attached to the top of the cover frame, and a glass plate is fixed to one side of the cover frame.

[0014] Optionally, a limiting plate is fixedly connected to the top of the second support platform, and multiple sets of ball bearings are rotatably connected to one side of the limiting plate. The limiting plate is provided with four sets, which are symmetrically distributed at the top of the second and third support platforms.

[0015] Compared with the prior art, this application includes at least one of the following beneficial technical effects: This invention, by setting a cover plate and a frame, can seal and store cardboard inside the frame. A control structure can maintain the humidity within the frame within a specified range, thereby controlling the humidity of the cardboard inside. When the humidity of the cardboard reaches the specified range, the first conveyor belt can be activated to open the sealing plate, allowing a set of cardboard to be removed from the frame. When no more cardboard needs to be removed, the first conveyor belt can be stopped, and the sealing plate can be closed by adjusting the structure to cooperate with the sealing structure, thus sealing the inside of the frame, preventing external humid air from entering, and maintaining the cardboard inside the frame at a suitable humidity for testing. This solves the problem of cardboard being easily affected by humid air before testing. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a strength testing device for cardboard processing. Figure 2 This is a schematic cross-sectional view of a strength testing device for cardboard processing. Figure 3 A schematic diagram of the sealing plate and cover frame structure of a strength testing device for cardboard processing; Figure 4 A schematic diagram of the cross-sectional structure of the first rack of a strength testing device for cardboard processing; Figure 5 for Figure 4 A magnified structural diagram at point A; Figure 6 A schematic diagram of the cross-sectional structure of the sealing plate of a strength testing device for cardboard processing; Figure 7 A schematic diagram of the cylinder and cutter structure of a strength testing device for cardboard processing; Figure 8 for Figure 7 A magnified structural diagram at point B; Figure 9 A schematic diagram of the cylindrical cross-sectional structure of a strength testing device for cardboard processing; Figure 10 for Figure 9 A magnified structural diagram at point C; Figure 11 for Figure 9 A magnified structural diagram at point D; Figure 12 This is a schematic diagram of the slide bar structure of a strength testing device for cardboard processing.

[0017] Reference numerals: 1. First support platform; 2. First conveyor belt; 3. Cover frame; 4. Cover plate; 5. Glass plate; 6. Second support platform; 7. Second conveyor belt; 8. Third support platform; 9. Third conveyor belt; 10. Mounting bracket; 11. Hydraulic rod; 12. Detection head; 13. Controller; 14. Detector; 15. Humidifier; 16. Dehumidifier; 17. Side groove; 18. Sealing plate; 19. First gear; 20. First rack; 21. Short rod; 22. Base block; 23. First spring; 24. First transmission rod; 25. First motor ; 26. Second gear; 27. Second transmission rod; 28. Side plate; 29. ​​Bracket; 30. Second motor; 31. Cylinder; 32. Cutter; 33. Micro motor; 34. First bevel gear; 35. Second bevel gear; 36. Round rod; 37. Threaded rod; 38. Nut; 39. Side frame; 40. Fan; 41. Baffle; 42. Collection frame; 43. Cam; 44. Slide rod; 45. Cleaning rod; 46. Push plate; 47. Second spring; 48. Base plate; 49. Limiting frame; 50. Sealing gasket; 51. Limiting plate. Detailed Implementation

[0018] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0019] like Figure 1 - Figure 6As shown, the present invention proposes a strength testing device for cardboard processing, comprising a first support platform 1, a first conveyor belt 2 mounted on the top of the first support platform 1, a second support platform 6 disposed on one side of the first support platform 1, a second conveyor belt 7 mounted on the top of the second support platform 6, a mounting frame 10 mounted on one side of the second support platform 6, a hydraulic rod 11 fixedly connected to the inner wall of the mounting frame 10, a detection head 12 fixedly connected to the output end of the hydraulic rod 11, a cover frame 3 fixedly connected to the top of the first support platform 1, a cover plate 4 rotatably connected to the top of the cover frame 3, and a storage component for maintaining the cardboard at a specified humidity for testing on the cover frame 3. The storage component includes a control structure, a sealing structure, and an adjustment structure, wherein the control structure is used to control the cover frame 3. The humidity control structure within frame 3 includes a controller 13 fixedly attached to one side of the frame 3. A detector 14 is fixedly attached to the bottom of the cover plate 4. A humidifier 15 and a dehumidifier 16 are fixedly attached to the top of the cover plate 4, respectively, and the humidifier 15 and dehumidifier 16 are arranged in parallel. The sealing structure is used to control the opening and closing of the cardboard outlet. The sealing structure includes a sealing plate 18, which is located at the bottom of one side of the frame 3. The sealing structure also includes a first gear 19, which is fixedly attached to the drive shaft of the first conveyor belt 2. A first rack 20 meshes with one side of the first gear 19. The first rack 20 is slidably disposed at the top of the first support platform 1, and the bottom of the first rack 20 has an opening. The mounting groove has a short rod 21 slidably connected to its inner wall. A bottom block 22 is fixedly connected to the bottom of the short rod 21. A first spring 23 is fixedly connected to the inner wall of the mounting groove, and the top of the first spring 23 is fixedly connected to one side of the short rod 21. A first rack 20 is mounted on one side of the sealing plate 18 via an adjustment structure. A side groove 17 is provided on one side of the cover frame 3. The sealing plate 18 is slidably connected to the inner wall of the side groove 17. A side plate 28 is fixedly connected to one side of the cover frame 3. The sealing plate 18 is positioned between the side plate 28 and the side groove 17. The adjustment structure is used to adjust the position of the sealing plate 18 during the operation of the first conveyor belt 2. The adjustment structure includes a first motor 25, which is mounted on one side of the sealing plate 18. A second gear 26 is fixedly connected to the output end of the first rack 20. The second gear 26 is disposed on the inner wall of the sealing plate 18. A first transmission rod 24 is fixedly connected to one side of the first rack 20. The top end of the first transmission rod 24 is provided with multiple sets of protruding teeth. The top end of the first transmission rod 24 meshes with the bottom of the second gear 26 through the protruding teeth. A second transmission rod 27 is provided at the top end of the second gear 26. The bottom of the second transmission rod 27 is also provided with multiple sets of protruding teeth. The bottom of the second transmission rod 27 meshes with the top end of the second gear 26 through the protruding teeth. Both the first transmission rod 24 and the second transmission rod 27 are slidably connected to the inner wall of the sealing plate 18. The first rack 20 and the first gear 19 are each provided with two sets, and are symmetrically distributed on both sides of the first conveyor belt 2.The second transmission rod 27 is fixedly connected to one side of another set of first racks 20. A sealing gasket 50 is fixedly connected to the bottom of the cover plate 4, and the bottom of the sealing gasket 50 is attached to the top of the cover frame 3. A glass plate 5 is fixedly connected to one side of the cover frame 3.

[0020] To address the issue of cardboard being susceptible to humid air before testing, before testing, the cover plate 4 can be opened, and multiple sets of cardboard can be placed inside the housing frame 3. Then, the cover plate 4 is closed. A sealing gasket 50 at the bottom of the cover plate 4 improves the sealing performance. A glass plate 5 on one side of the housing frame 3 allows for easy observation of the number of cardboard pieces inside. A detector 14 at the bottom of the cover plate 4 detects the humidity inside the housing frame 3 and transmits the humidity data to the controller 13. Based on the humidity data, it can be determined whether the humidity inside the housing frame 3 needs to be increased or decreased. If increased humidity is not required, a humidifier 1 can be turned on periodically. 5. Humidify the air inside the cover frame 3. When it is necessary to reduce the humidity, the dehumidifier 16 can be activated to reduce the humidity inside the cover frame 3. When the humidity of the cardboard reaches the specified range, the first conveyor belt 2 can be activated. When the first conveyor belt 2 is running, it can drive the first gear 19 on its drive shaft to rotate. When the first gear 19 rotates, it will drive the first rack 20 on one side to move upward. When the first rack 20 moves upward, it will drive the sealing plate 18 on one side to move upward as well, thereby opening the outlet at the bottom of the cover frame 3. The bottom set of cardboard can be passed out by the conveyor belt. The outlet can only release one set of cardboard at a time to prevent multiple sets of cardboard from being moved out. When moving upwards, the bottom block 22 below the first rack 20 will mesh with the first gear 19. As the first gear 19 continuously pushes the bottom block 22 upwards, it will stretch the first spring 23. The first spring 23 will continuously reset, keeping the position of the first rack 20 and the sealing plate 18 at the top, and keeping the bottom block 22 in a state of meshing with one side of the first gear 19. After a set of cardboard is removed, the first conveyor belt 2 will stop running, and the first motor 25 can be started. The first motor 25 drives the second gear 26 to rotate. When the second gear 26 rotates, it will drive the first transmission rod 24 and the second transmission rod 27 to move towards the center by meshing with multiple sets of convex teeth. When the first transmission rod 24 and the second transmission rod 27 move, they will drive the two sets of first racks 20 to move together toward the center until the two sets of first racks 20 move away from one side of the two sets of first gears 19. This allows the sealing plate 18 and the two sets of first racks 20 to move downward by gravity, thereby sealing the outlet at the bottom of the cover frame 3. When it is necessary to remove the cardboard again, the first motor 25 can be driven in reverse to move the two sets of first racks 20 to both sides, so that the two sets of first gears 19 re-engage with the two sets of first racks 20. This allows the sealing plate 18 to open when the first conveyor belt 2 is running, preventing humid air from the outside from entering the cover frame 3 and keeping the cardboard inside the cover frame 3 at a suitable humidity for detection.

[0021] It should be noted that, as Figure 7 - Figure 10The second support platform 6 has a trimming assembly at its top for trimming the edges of the cardboard. The trimming assembly includes a cutting structure, an adjusting structure, and a collecting structure. The cutting structure includes a bracket 29, which is fixed to one side of the cover frame 3. A second motor 30 is fixed to one side of the bracket 29. A transmission rod is fixed to the output end of the second motor 30. A cylinder 31 is fixed to one end of the transmission rod. Two sets of cutters 32 are provided on the outer wall of the cylinder 31, arranged in parallel. A third support platform 8 is provided on one side of the second support platform 6. A third conveyor belt 9 is installed at the top of the third support platform 8. The mounting frame 10 is located between the second support platform 6 and the third support platform 8. The adjusting structure includes a micro motor 33, which is fixed to the outer wall of the cylinder 31. The output end of the micro motor 33 is fixed to the outer wall of the cylinder 31. A first bevel gear 34 is connected, and a second bevel gear 35 meshes with one side of the first bevel gear 34. A round rod 36 is fixedly connected to the center of the second bevel gear 35. A threaded rod 37 is fixedly connected to one end of the round rod 36. The threaded rod 37 is rotatably connected to the inner wall of the cylinder 31. A nut 38 is threadedly connected to the outer wall of the threaded rod 37. A connecting block is fixedly connected to the top of the nut 38. A sliding groove is opened at the top of the cylinder 31. The connecting block is slidably connected to the inner wall of the sliding groove. The top of the connecting block is fixedly connected to the inner wall of the cutter 32. Two sets of threaded rods 37, nuts 38, and connecting blocks are provided and are symmetrically distributed on both sides of the round rod 36. A limiting plate 51 is fixedly connected to the top of the second support 6. Multiple sets of ball bearings are rotatably connected to one side of the limiting plate 51. Four sets of limiting plates 51 are provided and are symmetrically distributed at the top of the second support 6 and the third support 8, respectively.

[0022] After the cardboard is conveyed out of the housing 3 via the first conveyor belt 2, it is transferred to the second conveyor belt 7. At this time, the second motor 30 can be started, which drives the transmission rod and the cylinder 31 to rotate together. The cutter 32 installed on the outer wall of the cylinder 31 also rotates with the cylinder 31. When the two sets of cutters 32 rotate, they can trim the edges of the cardboard on both sides, removing the rough edges. The second conveyor belt 7 is made of metal, which can ensure that the cardboard is conveyed without affecting the cutting process. When it is necessary to trim the edges of cardboard of different widths, the micro motor 33 can be started, which drives the first bevel gear 34 at the output end to rotate. When the first bevel gear 34 rotates, it drives the second bevel gear meshed on one side. The second bevel gear 35 rotates together, and when the second bevel gear 35 rotates, it will drive the round rod 36 and the two sets of threaded rods 37 to rotate. When the two sets of threaded rods 37 rotate, they will drive the two sets of nuts 38 on their outer walls to move in opposite directions. When the nuts 38 move, they will drive the connecting block and the cutter 32 to move together. The sliding of the connecting block in the groove can also limit its movement trajectory, so that the position of the two sets of cutters 32 can be adjusted at the same time to adapt to different sizes of cardboard. By setting the limiting plate 51 at the top of the second support 6 and the third support 8, the cardboard can be limited on both sides when it is transferred. The multiple sets of balls set on one side of the limiting plate 51 can cause the cardboard to slide to one side when it comes into contact with the cardboard, preventing the cardboard from getting stuck between the two sets of limiting plates 51.

[0023] Furthermore, such as Figure 11 - Figure 12 The collecting structure includes a side frame 39, which is fixed to one side of the second support platform 6. A fan 40 is fixed inside the side frame 39, and a baffle 41 is fixed inside the side frame 39. The baffle 41 is located on one side of the fan 40. A collecting frame 42 is fixed to the bottom of the side frame 39. A cam 43 is fixed to the outer wall of the transmission rod. A base plate 48 is fixed to the inner wall of the side frame 39. A second spring 47 is fixed to the top of the base plate 48. A push plate 46 is fixed to the top of the second spring 47. A slide rod 44 is fixed to the top of the push plate 46. Multiple cleaning rods 45 are fixed to one side of the slide rod 44. The cleaning rods 45 are attached to one side of the baffle 41. The top of the slide rod 44 is located at the bottom of the cam 43. A limit frame 49 is fixed to the top of the base plate 48. The slide rod 44 is slidably connected to the inner wall of the limit frame 49.

[0024] After the rough edges of the cardboard are trimmed, the blower 40 can be started. The blower 40 generates a suction force to one side, which can suck the paper scraps from the second conveyor belt 7 into the side frame 39. The paper scraps are blocked by the baffle 41, and the falling paper scraps will fall into the collection frame 42 for collection. When the second motor 30 drives the transmission rod and the cylinder 31 to rotate, it will simultaneously drive the cam 43 set on the outer wall of the transmission rod to rotate. When the protruding end of the cam 43 rotates to the bottom, it will abut against the slide rod 44 and push the slide rod 44 downward. When the slide rod 44 moves downward, it can drive multiple sets of cleaning rods 45 to move together and squeeze the second spring 47. When the cleaning rod 45 moves, it can scrape off the paper scraps on one side of the baffle 41, which is conducive to the falling of paper scraps. The limit frame 49 can limit the movement of the slide rod 44 and the cleaning rod 45. After the cam 43 passes the top of the slide rod 44, it can be reset by the second spring 47, which makes it easy to push the slide rod 44 again.

[0025] Working Principle: To address the issue of cardboard being easily affected by humid air before testing, before testing, the cover plate 4 can be opened, and multiple sets of cardboard can be placed inside the cover frame 3. Then, the cover plate 4 is closed. A sealing gasket 50 at the bottom of the cover plate 4 improves the sealing performance. A glass plate 5 on one side of the cover frame 3 allows for easy observation of the number of cardboard pieces inside. A detector 14 at the bottom of the cover plate 4 detects the humidity inside the cover frame 3 and transmits the humidity data to the controller 13. Based on the humidity data, it can be determined whether the humidity inside the cover frame 3 needs to be increased or decreased. If increased humidity is not required, the controller can periodically activate the humidity control. Humidifier 15 is used to humidify the air inside the cover frame 3. When it is necessary to reduce the humidity, dehumidifier 16 can be activated to reduce the humidity of the air inside the cover frame 3. When the humidity of the cardboard reaches a specified range, the first conveyor belt 2 can be activated. When the first conveyor belt 2 is running, it drives the first gear 19 on its drive shaft to rotate. When the first gear 19 rotates, it drives the first rack 20 on one side to move upward. When the first rack 20 moves upward, it drives the sealing plate 18 on one side to move upward as well, thereby opening the outlet at the bottom of the cover frame 3. The bottom set of cardboard can be passed out by the conveyor belt. The outlet can only release one set of cardboard at a time to prevent multiple sets of cardboard from being moved out. When rack 20 moves upward, the bottom block 22 below rack 20 meshes with the first gear 19. As the first gear 19 continuously pushes the bottom block 22 upward, it stretches the first spring 23. The first spring 23 continuously resets, keeping the rack 20 and sealing plate 18 in the upper position and the bottom block 22 in a state of meshing with one side of the first gear 19. After a set of cardboard is removed, the first conveyor belt 2 stops running, and the first motor 25 can be started. The first motor 25 drives the second gear 26 to rotate. When the second gear 26 rotates, it will drive the first transmission rod 24 and the second transmission rod 27 to move towards the center by meshing with multiple sets of teeth. When the first transmission rod 24 and the second transmission rod 27 move, they will drive the two sets of first racks 20 to move together toward the center until the two sets of first racks 20 move away from one side of the two sets of first gears 19. This allows the sealing plate 18 and the two sets of first racks 20 to move downward by gravity, thereby sealing the outlet at the bottom of the cover frame 3. When it is necessary to remove the cardboard again, the first motor 25 can be driven in reverse to move the two sets of first racks 20 to both sides, so that the two sets of first gears 19 re-engage with the two sets of first racks 20. This allows the sealing plate 18 to open when the first conveyor belt 2 is running, preventing the outside humid air from entering the cover frame 3 and keeping the cardboard inside the cover frame 3 at a suitable humidity for detection. After the cardboard is conveyed out of the housing 3 via the first conveyor belt 2, it is transferred to the second conveyor belt 7. At this time, the second motor 30 can be started, which drives the transmission rod and the cylinder 31 to rotate together. The cutter 32 installed on the outer wall of the cylinder 31 also rotates with the cylinder 31. When the two sets of cutters 32 rotate, they can trim the edges of the cardboard on both sides, removing the rough edges. The second conveyor belt 7 is made of metal, which can ensure that the cardboard is conveyed without affecting the cutting process. When it is necessary to trim the edges of cardboard of different widths, the micro motor 33 can be started, which drives the first bevel gear 34 at the output end to rotate. When the first bevel gear 34 rotates, it drives the second bevel gear meshed on one side. The second bevel gear 35 rotates together, and when the second bevel gear 35 rotates, it will drive the round rod 36 and the two sets of threaded rods 37 to rotate. When the two sets of threaded rods 37 rotate, they will drive the two sets of nuts 38 on their outer walls to move in opposite directions. When the nuts 38 move, they will drive the connecting block and the cutter 32 to move together. The sliding of the connecting block in the groove can also limit its movement trajectory, so that the position of the two sets of cutters 32 can be adjusted at the same time to adapt to different sizes of cardboard. By setting the limiting plate 51 at the top of the second support platform 6 and the third support platform 8, the cardboard can be limited on both sides when it is transferred. The multiple sets of balls set on one side of the limiting plate 51 can cause the cardboard to slide to one side when it comes into contact with the cardboard, preventing the cardboard from getting stuck between the two sets of limiting plates 51. After the rough edges of the cardboard are trimmed, the blower 40 can be activated to generate a suction force to one side, which can suck the paper scraps from the second conveyor belt 7 into the side frame 39 and block them through the baffle 41. The falling paper scraps will fall into the collection frame 42 for collection. When the second motor 30 drives the transmission rod and the cylinder 31 to rotate, it will simultaneously drive the cam 43 set on the outer wall of the transmission rod to rotate. When the protruding end of the cam 43 rotates to the bottom, it will abut against the slide rod 44 and push the slide rod 44 downward. When the slide rod 44 moves downward, it can drive multiple sets of cleaning rods 45 to move together and squeeze the second spring 47. When the cleaning rod 45 moves, it can scrape off the paper scraps on one side of the baffle 41, which is conducive to the falling of paper scraps. The movement of the slide rod 44 and the cleaning rod 45 can be limited by the setting of the limit frame 49. After the cam 43 passes the top of the slide rod 44, it can be reset by the second spring 47, which makes it easy to push the slide rod 44 again.

[0026] The above specific embodiments are merely several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A strength testing device for cardboard processing, comprising a first support platform (1), a first conveyor belt (2) mounted on the top of the first support platform (1), a second support platform (6) disposed on one side of the first support platform (1), a second conveyor belt (7) mounted on the top of the second support platform (6), a mounting frame (10) mounted on one side of the second support platform (6), a hydraulic rod (11) fixedly connected to the inner wall of the mounting frame (10), and a detection head (12) fixedly connected to the output end of the hydraulic rod (11), characterized in that: The top of the first tray (1) is fixedly connected to a cover frame (3), and the top of the cover frame (3) is rotatably connected to a cover plate (4). The cover frame (3) is provided with a storage component for keeping the cardboard at a specified humidity for detection. The storage component includes a control structure, a sealing structure and an adjustment structure. The control structure is used to control the humidity inside the cover frame (3); The closure structure is used to control the closing and opening of the cardboard outlet. The closure structure includes a sealing plate (18), which is disposed at the bottom of one side of the cover frame (3). The adjustment structure is used to adjust the position of the sealing plate (18) in conjunction with the operation of the first conveyor belt (2); The top of the second tray (6) is provided with a trimming component for trimming the edges of the cardboard.

2. The strength testing device for cardboard processing according to claim 1, characterized in that, The control structure includes a controller (13), which is fixed to one side of the cover frame (3). A detector (14) is fixed to the bottom of the cover plate (4). A humidifier (15) and a dehumidifier (16) are fixed to the top of the cover plate (4) respectively. The humidifier (15) and the dehumidifier (16) are arranged in parallel.

3. The strength testing device for cardboard processing according to claim 2, characterized in that, The enclosed structure also includes a first gear (19), which is fixed to the drive shaft of the first conveyor belt (2). A first rack (20) meshes with one side of the first gear (19). The first rack (20) is slidably disposed at the top of the first support (1). An installation groove is provided at the bottom of the first rack (20). A short rod (21) is slidably connected to the inner wall of the installation groove. A bottom block (22) is fixedly connected to the bottom of the short rod (21). A first spring (23) is fixedly connected to the inner wall of the installation groove. The top of the first spring (23) is fixedly connected to one side of the short rod (21). The first rack (20) is installed on one side of the sealing plate (18) through an adjustment structure. A side groove (17) is provided on one side of the cover frame (3). The sealing plate (18) is slidably connected to the inner wall of the side groove (17). A side plate (28) is fixedly connected to one side of the cover frame (3). The sealing plate (18) is disposed between the side plate (28) and the side groove (17).

4. The strength testing device for cardboard processing according to claim 3, characterized in that, The adjustment structure includes a first motor (25), which is mounted on one side of the sealing plate (18). A second gear (26) is fixedly connected to the output end of the first motor (25). The second gear (26) is disposed on the inner wall of the sealing plate (18). A first transmission rod (24) is fixedly connected to one side of the first rack (20). The top end of the first transmission rod (24) is provided with multiple sets of protruding teeth. The top end of the first transmission rod (24) meshes with the bottom of the second gear (26) through the protruding teeth. The top is provided with a second transmission rod (27), and the bottom of the second transmission rod (27) is also provided with multiple sets of convex teeth. The bottom of the second transmission rod (27) meshes with the top of the second gear (26) through the convex teeth. The first transmission rod (24) and the second transmission rod (27) are both slidably connected to the inner wall of the sealing plate (18). The first rack (20) and the first gear (19) are each provided with two sets, and are symmetrically distributed on both sides of the first conveyor belt (2). The second transmission rod (27) is fixed to one side of another set of first racks (20).

5. The strength testing device for cardboard processing according to claim 4, characterized in that, The trimming assembly includes a cutting structure, an adjustment structure, and a collection structure. The cutting structure includes a bracket (29), which is fixed to one side of the cover frame (3). A second motor (30) is fixed to one side of the bracket (29). A transmission rod is fixed to the output end of the second motor (30). A cylinder (31) is fixed to one end of the transmission rod. A cutter (32) is sleeved on the outer wall of the cylinder (31). Two sets of cutters (32) are provided and are distributed in parallel on the outer wall of the cylinder (31). A third support (8) is provided on one side of the second support (6). A third conveyor belt (9) is installed on the top of the third support (8). The mounting frame (10) is located between the second support (6) and the third support (8).

6. The strength testing device for cardboard processing according to claim 5, characterized in that, The adjustment structure includes a micro motor (33), which is fixed to the outer wall of the cylinder (31). The output end of the micro motor (33) is fixed to a first bevel gear (34). A second bevel gear (35) meshes with one side of the first bevel gear (34). A round rod (36) is fixed to the center of the second bevel gear (35). A threaded rod (37) is fixed to one end of the round rod (36). The threaded rod (37) is rotatably connected to the inner wall of the cylinder (31). A nut (38) is threaded to the outer wall of the threaded rod (37). A connecting block is fixed to the top of the nut (38). A groove is opened at the top of the cylinder (31). The connecting block is slidably connected to the inner wall of the groove. The top of the connecting block is fixed to the inner wall of the cutter (32). Two sets of the threaded rod (37), nut (38) and connecting block are provided and are symmetrically distributed on both sides of the round rod (36).

7. The strength testing device for cardboard processing according to claim 6, characterized in that, The collecting structure includes a side frame (39), which is fixed to one side of the second support (6). A fan (40) is fixed inside the side frame (39), and a baffle (41) is fixed inside the side frame (39). The baffle (41) is located on one side of the fan (40), and a collecting frame (42) is fixed to the bottom of the side frame (39).

8. The strength testing device for cardboard processing according to claim 7, characterized in that, A cam (43) is fixed to the outer wall of the transmission rod, a base plate (48) is fixed to the inner wall of the side frame (39), a second spring (47) is fixed to the top of the base plate (48), a push plate (46) is fixed to the top of the second spring (47), a slide rod (44) is fixed to the top of the push plate (46), a plurality of cleaning rods (45) are fixed to one side of the slide rod (44), the cleaning rods (45) are attached to one side of the baffle (41), the top of the slide rod (44) is set at the bottom of the cam (43), a limit frame (49) is fixed to the top of the base plate (48), and the slide rod (44) is slidably connected to the inner wall of the limit frame (49).

9. A strength testing device for cardboard processing according to claim 8, characterized in that, A sealing gasket (50) is fixed to the bottom of the cover plate (4), and the bottom of the sealing gasket (50) is attached to the top of the cover frame (3). A glass plate (5) is fixed to one side of the cover frame (3).

10. A strength testing device for cardboard processing according to claim 9, characterized in that, The top of the second support platform (6) is fixedly connected to a limiting plate (51). One side of the limiting plate (51) is rotatably connected to multiple sets of balls. The limiting plate (51) is provided with four sets, which are symmetrically distributed at the top of the second support platform (6) and the third support platform (8).

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