Cast film edge thickness measuring mechanism

Abstract

The utility model discloses a cast film edge thickness measuring mechanism which comprises a thickness measuring module. The thickness measuring module comprises a supporting frame, a plurality of threaded holes formed in the supporting frame, a lifting frame connected with the supporting frame in a sliding mode, an inserting plate detachably connected between the supporting frame and the lifting frame, a fence movably connected with the lifting frame and a rectangular plate arranged between the lifting frame and the fence. And the two rollers are connected with the bottom of the rectangular plate. According to the utility model, the lifting frame is positioned at the top of the cast film, then the fence is closed, the rectangular plate is placed in the lifting frame, then the roller is attached to the side edge of the cast film, when the cast film moves, the roller rolls along the cast film, and when the thickness of the side edge of the cast film is increased / decreased, the roller transmits induction to the rectangular plate in a fluctuating manner, so that the rectangular plate is driven to rotate; and then, the aiming scale of the displacement sensor is changed, and changed information is transmitted to an external PLC (Programmable Logic Controller), so that the aim of sensitive detection is fulfilled.

Description

Technical Field

[0001] The utility model relates to the technical field of cast film thickness measurement, in particular to a cast film edge thickness measurement mechanism. Background Art

[0002] Cast film is a non-stretched, non-directional flat extruded film produced by quenching the melt. There are two types of cast film: single-layer cast film and multi-layer co-extrusion cast film. Compared with blown film, it has the characteristics of fast production speed, high output, excellent transparency, glossiness, thickness uniformity, etc.

[0003] Application No. CN201921852898.X discloses an online detection device for the thickness of a cast film, which specifically relates to the field of cast film detection technology, including a first base, a top base fixedly connected to the top of the first base, an adjustment mechanism provided on the top of the first base, and the adjustment mechanism provided at the bottom of the top base; the adjustment mechanism includes a movable plate, the movable plate is inlaid on the top of the first base, the four corners of the bottom of the movable plate are fixedly connected to telescopic rods, the bottoms of the four telescopic rods are fixedly connected to the first base, the outer sides of the four telescopic rods are sleeved with springs, the top of the movable plate is inlaid with first rollers on both sides, and the first rotating shaft is provided inside the two first rollers. The utility model compresses the telescopic rods and changes accordingly when the thickness of the cast film body changes, so that the supporting object at the bottom of the cast film body is always moving in accordance with the thickness, and the top is always in contact with the detection probe, so as to achieve the purpose of accurate measurement. Although the application can also complete the thickness detection, the detection operation is not agile enough, which affects the detection operation. Utility Model Content

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0005] To this end, the technical solution adopted in this utility model is:

[0006] A cast film edge thickness measuring mechanism comprises a thickness measuring module, wherein the thickness measuring module comprises a support frame, a plurality of threaded holes provided on the support frame, a lifting frame slidably connected to the support frame, a plug plate detachably connected between the support frame and the lifting frame, a fence movably connected to the lifting frame, a rectangular plate arranged between the lifting frame and the fence, two rollers connected to the bottom of the rectangular plate, a position sensor connected to the top of the rectangular plate, and a scale plate connected to a side wall inside the lifting frame.

[0007] By adopting the above technical solution, the lifting frame is located on the top of the cast film, and then the fence is closed, and a rectangular plate is placed inside the lifting frame, and then the roller is fitted with the side of the cast film. When the cast film moves, the roller will roll against the cast film. When the thickness of the side of the cast film increases / decreases, the roller transmits the induction to the rectangular plate in an undulating manner, and then the scale aimed at by the position sensor changes, and the changed information is transmitted to the external PLC, thereby achieving the purpose of sensitive detection.

[0008] In a preferred example, the utility model can be further configured as follows: the support frame is provided with a plurality of sockets suitable for plugging in the plug boards, the plurality of sockets are equally spaced and arranged in two rows, and the two rows of sockets are vertically symmetrical about the vertical center plane of the lifting frame.

[0009] In a preferred example, the utility model can be further configured as follows: the fence is formed by welding a plurality of cross bars, and a metal sleeve is sleeved on the outer end of the fence.

[0010] In a preferred example, the utility model can be further configured as follows: a plurality of sockets are provided on the lifting frame, the plurality of sockets are arranged in a row at equal intervals, and the height of the sockets is equal to the diameter of the metal sleeve.

[0011] In a preferred example, the utility model can be further configured as follows: a magnet is inserted into the lifting frame through interference, and a plurality of metal sleeves are movably fitted with the magnet.

[0012] In a preferred example, the present invention can be further configured as follows: the bottoms of the two rollers are flush and vertically symmetrical with respect to the position sensor.

[0013] In a preferred example, the present invention can be further configured as follows: the position sensor is electrically connected to an external PLC.

[0014] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0015] 1. In the utility model, the lifting frame is located on the top of the cast film, and then the fence is closed, and a rectangular plate is placed inside the lifting frame, and then the roller is fitted with the side of the cast film. When the cast film moves, the roller will roll against the cast film. When the thickness of the side of the cast film increases / decreases, the roller transmits the induction to the rectangular plate in an undulating manner, and then the scale aimed at by the position sensor changes, and the changed information is transmitted to the external PLC, thereby achieving the purpose of sensitive detection.

[0016] 2. In the utility model, external bolts cooperate with threaded holes to complete the connection between the support frame and the external equipment for producing cast film, and then the lifting frame is lifted / lowered so that the lifting frame is located on the top of the cast film, and then the lifting frame is fixed with a plug plate. It can be applied to equipment for producing cast film of various sizes, effectively improving the scope of application of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the thickness measurement module of the utility model;

[0019] Figure 3 For this utility model Figure 1 A-section structure enlarged view.

[0020] Reference numerals:

[0021] 100, thickness measuring module; 110, support frame; 120, threaded hole; 130, lifting frame; 140, plug board; 150, fence; 160, rectangular plate; 170, roller; 180, position sensor; 190, scale plate;

[0022] 200, metal sleeve;

[0023] 300. Magnet. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0026] A cast film edge thickness measuring mechanism provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings.

[0027] Embodiment 1:

[0028] Combination Figure 1-3 As shown, the utility model provides a cast film edge thickness measuring mechanism, including a thickness measuring module 100, the thickness measuring module 100 includes a support frame 110, a plurality of threaded holes 120 opened on the support frame 110, a lifting frame 130 slidably connected to the support frame 110, a plug plate 140 detachably connected between the support frame 110 and the lifting frame 130, a fence 150 movably connected to the lifting frame 130, a rectangular plate 160 arranged between the lifting frame 130 and the fence 150, two rollers 170 connected to the bottom of the rectangular plate 160, a position sensor 180 connected to the top of the rectangular plate 160, and a scale plate 190 connected to an inner side wall of the lifting frame 130.

[0029] Furthermore, the support frame 110 is provided with a plurality of sockets suitable for plugging in the plug board 140. The plurality of sockets are equally spaced and arranged in two rows. The two rows of sockets are vertically symmetrical about the vertical center plane of the lifting frame 130. By providing a plurality of sockets, the lifting frame 130 can be flexibly fixed at a certain height, thereby ensuring that the lifting frame 130 can be suspended on the top of equipment for producing cast film of any size.

[0030] Furthermore, the fence 150 is formed by welding a plurality of cross bars, and a metal sleeve 200 is sleeved on the outer end of the fence 150 . The metal sleeve 200 is provided to provide conditions for the magnet 300 to fix the fence 150 .

[0031] Furthermore, the lifting frame 130 is provided with a plurality of sockets, which are arranged in a row at equal intervals, and the height of the sockets is equal to the diameter of the metal sleeve 200 . This size design ensures that the sockets can fix the metal sleeve 200 .

[0032] Furthermore, a magnet 300 is inserted in an interference fit on the lifting frame 130, and a plurality of metal sleeves 200 are movably fitted with the magnet 300. The magnet 300 is provided to improve the stability of the fence 150 when it is closed.

[0033] Embodiment 2:

[0034] Combination Figure 1 and Figure 3 As shown, based on the first embodiment, the bottoms of the two rollers 170 are flush and vertically symmetrical about the position sensor 180. This structural design provides conditions for sensitively detecting the thickness of the cast film.

[0035] Embodiment three:

[0036] Combination Figure 1-3 As shown, in the above embodiment, the position sensor 180 is electrically connected to the external PLC. The method of judging the thickness of the present invention is to realize data analysis through the external PLC. The control circuit of the external PLC can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is mainly used to protect mechanical devices. Therefore, the present invention will no longer explain in detail the data analysis principle and circuit connection of the external PLC.

[0037] The working principle and use process of the utility model are as follows: when the device is put into actual use, the external bolts cooperate with the threaded holes 120 to complete the connection between the support frame 110 and the external equipment for producing cast film, and then the lifting frame 130 is lifted / lowered so that the lifting frame 130 is located on the top of the cast film, and then the fence 150 is closed, and a rectangular plate 160 is placed inside the lifting frame 130, and then the roller 170 is fitted with the side of the cast film. When the cast film moves, the roller 170 will roll against the cast film. When the thickness of the side of the cast film increases / decreases, the roller 170 transmits the induction to the rectangular plate 160 in an undulating manner, and then the scale aimed at by the position sensor 180 changes, and the changed information is transmitted to the external PLC, thereby achieving the purpose of sensitive detection.

[0038] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A cast film edge thickness measuring mechanism, characterized in that: include: A thickness measuring module (100), the thickness measuring module (100) comprising a support frame (110), a plurality of threaded holes (120) provided on the support frame (110), a lifting frame (130) slidably connected to the support frame (110), a plug plate (140) detachably connected between the support frame (110) and the lifting frame (130), a fence (150) movably connected to the lifting frame (130), a rectangular plate (160) provided between the lifting frame (130) and the fence (150), two rollers (170) connected to the bottom of the rectangular plate (160), a position sensor (180) connected to the top of the rectangular plate (160), and a scale plate (190) connected to a side wall inside the lifting frame (130).

2. A cast film edge thickness measuring mechanism according to claim 1, characterized in that: The support frame (110) is provided with a plurality of plug holes suitable for plugging in the plug board (140), the plurality of plug holes are arranged in two rows at equal intervals, and the two rows of plug holes are vertically symmetrical about the vertical center plane of the lifting frame (130).

3. A cast film edge thickness measuring mechanism according to claim 1, characterized in that: The fence (150) is formed by welding a plurality of cross bars, and a metal sleeve (200) is sleeved on the outer end of the fence (150).

4. A cast film edge thickness measuring mechanism according to claim 3, characterized in that: The lifting frame (130) is provided with a plurality of sockets, which are arranged in a row at equal intervals, and the height of the sockets is equal to the diameter of the metal sleeve (200).

5. A cast film edge thickness measuring mechanism according to claim 3, characterized in that: A magnet (300) is interference-inserted on the lifting frame (130), and a plurality of metal sleeves (200) are movably fitted with the magnet (300).

6. A cast film edge thickness measuring mechanism according to claim 1, characterized in that: The bottoms of the two rollers (170) are flush and vertically symmetrical with respect to the position sensor (180).

7. A cast film edge thickness measuring mechanism according to claim 1, characterized in that: The position sensor (180) is electrically connected to an external PLC.

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