Search

CN-122016623-A - High-precision protective film ageing resistance detection equipment

CN122016623ACN 122016623 ACN122016623 ACN 122016623ACN-122016623-A

Abstract

The invention discloses high-precision protective film ageing resistance detection equipment, which relates to the technical field of protective film performance detection and comprises a box body, wherein a tension dynamic compensation sealing mechanism and a fixed anti-loosening mechanism are arranged on one side of the box body, a moving mechanism is arranged at the bottom of the box body, a PLC (programmable logic controller) is arranged on one side of the box body, and a wiring terminal of the PLC is connected with an internal flat cable of the equipment. This ageing resistance performance check out test set of high accuracy protection film through setting up pulling force dynamic compensation sealing mechanism, ensures that the sealing strip can paste the box with enough pressure all the time, avoids the inside ageing detection environment of box to leak, has promoted ageing resistance detection's accuracy, has solved current device, and the chamber door seals compensation mode singleness only relies on the fixed pulling force of second extension spring, when the sealing strip appears serious wearing and tearing or warp because of long-term use, and the unable dynamic adjustment of extension spring pulling force easily leads to sealing pressure not enough, the inside ageing environment of box leaks, influences the problem of detection accuracy.

Inventors

  • Yan Chuangang
  • JI HONGSHANG
  • SUN SHIYOU

Assignees

  • 山东佳和包装有限公司

Dates

Publication Date
20260512
Application Date
20260309

Claims (10)

  1. 1. The high-precision protective film ageing resistance detection device is characterized by comprising a box body (1), wherein a tension dynamic compensation sealing mechanism (2) and a fixed anti-loosening mechanism (3) are arranged on one side of the box body (1), a moving mechanism (4) is arranged at the bottom of the box body (1), a PLC (programmable logic controller) 5 is arranged on one side of the box body (1), and a wiring terminal of the PLC (5) is connected with an internal wiring of the device; The tension dynamic compensation sealing mechanism (2) comprises two first U-shaped frames (201) and two fixing plates (202) which are arranged on one side of the box body (1), two second U-shaped frames (203) and two compensation plates (207) are arranged on the inner sides of the first U-shaped frames (201), two rotating blocks (204) are rotatably arranged on the inner sides of the two second U-shaped frames (203), a box door (205) is fixedly connected to one side of the two rotating blocks (204), a sealing strip (206) is arranged on one side of the box door (205), two tension springs (208) are fixedly connected between the two second U-shaped frames (203) and the two compensation plates (207), a first threaded rod (209) is rotatably connected between the two fixing plates (202), a guide rod (210) is fixedly connected between one side of one fixing plate (202) and is fixedly provided with a servo motor (211) for driving the first threaded rod (209) to rotate, one side of the first threaded rod (209) and one side of the guide rod (210) is fixedly connected with two movable threaded rods (212) which are movably connected with one side of the two movable plates (213), one side of the box body (1) is embedded with a plurality of pressure sensors (214).
  2. 2. The high-precision protective film aging resistance detection device according to claim 1, wherein a connecting block (215) is fixedly connected to one side of the box door (205), an internal thread block (216) is fixedly connected to one side of the box body (1), a mounting groove (217) is formed in one side of the internal thread block (216), and a movable frame (218) is rotatably mounted on the inner side of the mounting groove (217).
  3. 3. The high-precision protective film aging resistance detection device according to claim 2, wherein a guide groove (219) is formed in one side of the movable frame (218), a sliding plate (220) is connected in a sliding mode in the guide groove (219), a second threaded rod (221) is rotatably installed on one side of the sliding plate (220), the second threaded rod (221) is inserted into the connecting block (215), one end of the second threaded rod (221) is connected with the inner surface of the inner threaded block (216) in a threaded mode, and a rotary cap (222) is installed at one end of the second threaded rod (221).
  4. 4. The high-precision protective film aging resistance detection device according to claim 1, wherein four first limiting grooves (223) are formed in the inner sides of the two first U-shaped frames (201), four first limiting blocks (224) are connected in a sliding mode in the four first limiting grooves (223), and the four first limiting blocks (224) are fixedly connected with the two second U-shaped frames (203).
  5. 5. The high-precision protective film aging resistance detection device according to claim 1, wherein four second limiting grooves (225) are formed in the inner sides of the two first U-shaped frames (201), four second limiting blocks (226) are slidably connected in the four second limiting grooves (225), and the four second limiting blocks (226) are fixedly connected with the two compensating plates (207).
  6. 6. The high-precision protective film aging resistance detection device according to claim 1, wherein the fixed anti-loosening mechanism (3) comprises two mounting plates (301) fixedly connected to one side of the box body (1), and electromagnets (302) are mounted on the bottom of one mounting plate (301) and the top of the other mounting plate (301).
  7. 7. The high-precision protective film aging resistance detection device according to claim 4, wherein the top of one first limiting block (224) and the bottom of the other first limiting block (224) are fixedly connected with third U-shaped frames (303), four vertical rods (304) are arranged on the inner sides of the two third U-shaped frames (303), and one ends of the four vertical rods (304) are fixedly connected with four limiting discs (305).
  8. 8. The high-precision protective film aging resistance detection device according to claim 7, wherein four return springs (306) are sleeved on the outer surfaces of the four vertical rods (304), one ends of the four vertical rods (304) movably penetrate through the two third U-shaped frames (303) and are fixedly connected with two supporting plates (307), and connecting iron (308) is fixedly connected to the top of one supporting plate (307) and the bottom of the other supporting plate (307).
  9. 9. The high-precision protective film aging resistance detection device according to claim 1, wherein the moving mechanism (4) comprises a base (401) arranged at the bottom of the box body (1), an electric push rod (402) is arranged at the inner top of the base (401), a lifting plate (403) is fixedly connected to the telescopic end of the electric push rod (402), four universal wheels (404) are arranged at the bottom of the lifting plate (403), and the four universal wheels (404) movably penetrate through the base (401).
  10. 10. The high-precision protective film aging resistance detection device according to claim 9, wherein two third limiting grooves (405) are formed in the inner side of the base (401), two third limiting blocks (406) are slidably connected in the two third limiting grooves (405), and the two third limiting blocks (406) are fixedly connected with the lifting plate (403).

Description

High-precision protective film ageing resistance detection equipment Technical Field The invention relates to the technical field of protection film performance detection, in particular to high-precision protection film aging resistance detection equipment. Background In the fields of electronics, optics, building materials and the like, a protective film needs to be exposed to natural environment for a long time, the ageing resistance of the protective film directly influences the service life and quality of a protected product, and after the production of the protective film is finished, the protective film is generally required to be put into relevant detection equipment for ageing resistance test in order to detect the ageing resistance of the protective film, so that the ageing resistance of the protective film is analyzed. The utility model discloses a release film aging-resistant detection device, which is recorded in the specification as CN219758035U, and comprises a box body and a box door, wherein the box door is arranged on one side of the box body, two fixing frames are fixedly connected to one side outer wall of the box body, rectangular holes are formed in two sides of each fixing frame, a sliding block is slidingly connected to the inside of each rectangular hole, two connecting frames are fixedly connected to one side of the box door, U-shaped frames are rotatably connected to two ends of each connecting frame, the U-shaped frames are fixed with the sliding block, a second tension spring is fixedly connected to one side of each U-shaped frame, the second tension spring is fixed with each fixing frame, and a wedge-shaped block is fixedly connected to one side of each U-shaped frame. However, the prior device has the following defects in the using process: The existing device can not only enable the box door to keep close contact with the box body through the second tension spring and the U-shaped frame in the use process, the sealing effect of the device is improved, the U-shaped frame can be prevented from moving forwards through the sliding plate, the wedge-shaped block and the rack, the fixing effect of the device is improved, the box door can be fixed through the locking mechanism, the use effect of the device is improved, but the box door sealing compensation mode is single, only the fixing tension force of the second tension spring is relied on, when the sealing strip is severely worn or deformed due to long-term use, the tension force of the tension spring cannot be dynamically adjusted, sealing pressure is insufficient easily caused, the ageing environment in the box body is leaked, and the detection accuracy is affected. We have therefore proposed a high-precision protective film aging resistance detection apparatus in order to solve the problems set forth above. Disclosure of Invention The invention aims to provide high-precision protective film ageing resistance detection equipment, which can monitor sealing pressure between a box door sealing strip and a box body in real time through a pressure sensor and transmit signals to a PLC (programmable logic controller), when the sealing strip is worn or deformed due to long-term use to cause insufficient sealing pressure, the PLC can control a servo motor to start, drive a first threaded rod to rotate and drive a movable plate to move along a guide rod, further pull a compensation plate to adjust the tension of a tension spring through a movable rod, and the tension of the tension spring is transmitted to the box door through a second U-shaped frame and a rotating block, so that the sealing strip further compresses the box body, and the problems raised by the background art are solved. The high-precision protective film aging resistance detection device comprises a box body, wherein a tension dynamic compensation sealing mechanism and a fixed anti-loosening mechanism are arranged on one side of the box body, a moving mechanism is arranged at the bottom of the box body, a PLC (programmable logic controller) is arranged on one side of the box body, and a wiring terminal of the PLC is connected with an inner flat cable of the device; The tension dynamic compensation sealing mechanism comprises two first U-shaped frames and two fixed plates, wherein the two first U-shaped frames and the two fixed plates are arranged on one side of a box body, two second U-shaped frames and two compensating plates are arranged on the inner side of each first U-shaped frame, two rotating blocks are rotatably arranged on the inner side of each second U-shaped frame, a box door is fixedly connected to one side of each rotating block, a sealing strip is arranged on one side of each box door, two tension springs are fixedly connected between each second U-shaped frame and each two compensating plates, a first threaded rod is rotatably connected between each fixed plate, a guide rod is fixedly connected between each fixed plate, a servo motor for driving the corres