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CN-121994589-A - Corrugated board edge compression strength test device

CN121994589ACN 121994589 ACN121994589 ACN 121994589ACN-121994589-A

Abstract

The invention relates to the technical field of packaging material detection, and discloses a corrugated board edge compression strength test device which comprises a bottom plate, wherein two sides above the bottom plate are connected with a U-shaped frame through fixing mechanisms, L-shaped supporting legs are fixed on two sides of the bottom plate, a lower plate is arranged below the U-shaped frame, a pressure detection system is arranged on the bottom plate right below the lower plate, an upper plate is arranged right above the lower plate, and telescopic mechanisms are arranged between two sides of two side walls above the lower plate and the upper plate. The pressure detection system adopts the high-precision pressure sensor and the special microcontroller, is accurate in pressure signal acquisition and efficient in processing, the pressure detection precision is less than or equal to +/-1%, the edge pressure intensity calculation error is less than or equal to +/-2%, the problem that the dispersion degree of detection data of the traditional device is large is effectively solved, the parallelism degree of the upper plate and the lower plate is ensured by the telescopic mechanism and the adjusting mechanism, the stress of a sample is uniform, and the authenticity and the reliability of a detection result are further improved.

Inventors

  • CHEN BAISHAN
  • SHEN CONG
  • SHEN TING
  • WU WEI
  • YUAN YUNXIANG

Assignees

  • 嘉善百顺包装有限公司

Dates

Publication Date
20260508
Application Date
20260409

Claims (9)

  1. 1. The corrugated board edge compression strength test device comprises a bottom plate (1) and is characterized in that two sides above the bottom plate (1) are connected with U-shaped frames (10) through fixing mechanisms, L-shaped supporting legs (2) are fixed on two sides of the bottom plate (1), a lower plate (11) is arranged below the U-shaped frames (10), a pressure detection system is arranged on the bottom plate (1) right below the lower plate (11), an upper plate (12) is arranged right above the lower plate (11), telescopic mechanisms are arranged between two sides of two side walls above the lower plate (11) and the upper plate (12), and an adjusting mechanism is arranged between the upper plate (12) and the U-shaped frames (10).
  2. 2. The corrugated board edge compression strength test device according to claim 1 is characterized in that mounting holes (4) are formed in two sides of the bottom of each L-shaped supporting leg (2), and positioning bolts (3) are arranged in the mounting holes (4).
  3. 3. The corrugated board edge pressure strength test device according to claim 1, wherein the pressure detection system comprises a pressure sensor (5), a microcontroller (6), a display screen (7) and an alarm lamp (8), the pressure sensor (5) is fixedly arranged above a bottom plate (1) right below a lower plate (11), the microcontroller (6), the display screen (7) and the alarm lamp (8) are fixed on the side wall of the bottom plate (1), a signal output end of the pressure sensor (5) is connected with a signal input end of the microcontroller (6), a display output end of the microcontroller (6) is electrically connected with the display screen (7), and an alarm output end of the microcontroller (6) is electrically connected with the alarm lamp (8).
  4. 4. A corrugated board edge pressure strength test device according to claim 3, wherein the microcontroller (6) is configured to collect pressure sensor signals in real time, identify pressure peaks, calculate edge pressure strength, and send peak pressure, real-time pressure and edge pressure degree values to the display screen (7) for display.
  5. 5. The corrugated board edge compression strength test device according to claim 1, wherein the fixing mechanism comprises a mounting plate (20), the mounting plate (20) is fixed on two sides of the bottom of the U-shaped frame (10), and the mounting plate (20) is fixedly connected with the bottom plate (1) through bolts.
  6. 6. The corrugated board edge compression strength test device according to claim 1, wherein the telescopic mechanism (9) comprises a sliding rod (92) and a side plate (91), the side plate (91) is fixed on the side wall of the upper plate (12), one end of the sliding rod (92) is fixed above the lower plate (11), the other end of the sliding rod (92) penetrates through the side plate (91) and is fixed with a rod limiting plate (94), a spring (93) is sleeved outside the sliding rod (92), one end of the spring (93) is fixed above the lower plate (11), and the other end of the spring (93) is fixed below the side plate (91).
  7. 7. The corrugated board edge pressure strength test device according to claim 1, wherein sliding holes (13) are formed in two side walls of the U-shaped frame (10), supporting rods (17) are fixed on two side walls of the upper plate (12), one end of each supporting rod (17) penetrates through each sliding hole (13) and is fixedly provided with a pointer (18), and graduation marks (19) are formed in the side walls of the U-shaped frame (10) on two sides of each sliding hole (13).
  8. 8. The corrugated board edge compression strength test device according to claim 1, wherein the adjusting mechanism comprises a threaded rod (14) and a screw cap (15), the screw cap (15) is fixed above the U-shaped frame (10), the threaded rod (14) is connected with the screw cap (15) through threads, one end of the threaded rod (14) is rotatably connected above the upper plate (12), and the other end of the threaded rod (14) extends upwards and is fixedly provided with a rotating handle (16).
  9. 9. The corrugated board edge compression strength testing device of claim 8, wherein anti-slip patterns are formed outside the rotating handle (16).

Description

Corrugated board edge compression strength test device Technical Field The invention relates to the technical field of packaging material detection, in particular to a corrugated board edge compression strength test device. Background Corrugated board is used as the most widely used core material in the packaging industry, and the side pressure intensity directly determines the compression-resistant bearing capacity, the buffering protection performance and the transportation stability of the carton. In the commodity storing and transporting process, the cartons need to bear various loads such as stacking pressure, vibration impact and the like, if the side pressure intensity of the corrugated board is insufficient, the cartons are easy to deform and collapse, and commodity damage is caused, so that the accurate detection of the side pressure intensity of the corrugated board is very important. The prior corrugated board edge compression strength test device has a plurality of technical defects in practical application, and is difficult to meet the high-efficiency and accurate detection requirements: The device has low detection precision and poor data reliability, the traditional test device lacks a stable pressure detection and transmission mechanism, the installation position of the pressure sensor is unreasonable and is easy to be interfered by the outside, so that pressure signal acquisition is distorted, a special signal processing module is not available, the pressure peak value and the edge pressure intensity cannot be accurately identified, the dispersion of the detection result is large, the error exceeds +/-5%, and the real performance of the corrugated board is difficult to be reflected. The automatic test device is complex in operation and low in automation degree, most devices need to manually adjust loading speed and loading stroke, the test end point is judged according to experience of operators, labor intensity is high, consistency of test results is easy to be poor due to operation differences, meanwhile, test data need to be recorded and calculated manually, efficiency is low, and the risk of data recording errors exists. The device lacks an effective early warning and protecting mechanism, has no timely warning prompt and overload protecting function when the pressure exceeds the bearing limit of equipment or the sample is abnormally crushed in the test process, is easy to cause equipment damage or sample splash, has potential safety hazards, does not have an explicit ending prompt after the test is finished, and is difficult for operators to accurately control the test flow. The structure stability is insufficient, the detection effect is affected, the design of a rack and a supporting structure of a part of the device is unreasonable, shaking and deflection easily occur in the loading process, the parallelism deviation of an upper plate and a lower plate is large, the stress of a sample is uneven, the phenomenon of local compression or edge instability occurs, and the error of the detection result is further aggravated. The visual degree is low, the test process is not visual, the existing device has no real-time data display function, operators cannot grasp the pressure change condition and the test progress in real time, key data such as test curves, peak pressure and the like are exported and checked through external equipment after the test is finished, and the test abnormality is inconvenient to find in time. Aiming at the problems, the invention provides a corrugated board edge compression strength test device. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides a corrugated board edge compression strength test device for solving the problems in the prior art. The corrugated board edge pressure strength testing device comprises a bottom plate, wherein two sides above the bottom plate are connected with U-shaped frames through fixing mechanisms, L-shaped supporting legs are fixed on two sides of the bottom plate, a lower plate is arranged below the U-shaped frames, a pressure detection system is arranged on the bottom plate right below the lower plate, an upper plate is arranged right above the lower plate, telescopic mechanisms are arranged between two sides of two side walls above the lower plate and the upper plate, and an adjusting mechanism is arranged between the upper plate and the U-shaped frames. As a preferable technical scheme of the invention, mounting holes are formed in two sides of the bottom of the L-shaped supporting leg, and positioning bolts are arranged in the mounting holes. As a preferable technical scheme of the invention, the pressure detection system comprises a pressure sensor, a microcontroller, a display screen and an alarm lamp, wherein the pressure sensor is fixedly arranged above a bottom plate right below a lower plate, the microcontroller, the display screen and the alarm lamp are fixed on the side wal