Testing device for detecting pressure resistance of food packaging box

Abstract

The utility model discloses a testing device for detecting pressure resistance of a food packaging box, which comprises a base, a mounting plate, a movable plate and a pressing plate are sequentially arranged at the top of the base from top to bottom, a pressure sensor is fixedly connected between the movable plate and the pressing plate, and a laser range finder is fixedly connected to one side, close to the edge, of the bottom of the pressing plate. A U-shaped fixing frame is fixedly connected to the top of the base, a cylinder is fixedly connected to the top of the fixing frame, and the bottom end of a cylinder piston rod is fixedly connected with the top of the mounting plate. And four springs are uniformly and fixedly connected between the mounting plate and the movable plate. According to the structure, the pressure sensor, the laser range finder, the spring and other components are arranged, the compression resistance of the food packaging box can be efficiently and accurately evaluated, a scientific basis is provided for packaging design and logistics optimization, meanwhile, the temperature and humidity sensor is arranged to detect the overall temperature and humidity in the packaging box, and the detection accuracy is improved. It is ensured that the test environment meets the preset conditions, and test errors caused by environmental factors are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing box technical field, especially a kind of test device for detecting the compression resistance of food packing box. BACKGROUND

[0002] In logistics transportation and warehouse management, the compression resistance of packing box is one of the key indicators to ensure product safety. With the increasing variety of goods and the improvement of logistics efficiency, the performance requirements of packing box are increasingly strict.

[0003] In the prior art, through retrieval, it is found that Chinese patent discloses "a food packing box compression resistance testing device", its application number is "202020862913.5", the above-mentioned patent mainly includes outer frame and control switch, control switch is fixedly installed at the left top of outer frame, servo motor is fixedly installed at the right top of outer frame, winding disc is rotatably connected to the upper middle part of outer frame through support, inner guide rail is fixedly installed at the left and right ends of outer frame inner wall, indicating groove is provided at the middle part of the left and right ends of outer frame, scale bar is tightly attached to the left and right ends of outer frame, test pressure plate is movably connected to the two inner guide rail supports, counterweight is embeddedly arranged above test pressure plate, indicating strip is fixedly installed at the middle part of the left and right ends of test pressure plate, limiting plate is fixedly installed at the left top, left bottom, right top and right bottom of test pressure plate. The above-mentioned utility model can test the compression resistance of packing box with different falling heights, different pressures and different gravity. However, the weight of counterweight is fixed, and it is difficult to accurately adjust to the required pressure value, which affects the accuracy and reliability of test results. Therefore, the utility model provides a test device for detecting the compression resistance of food packing box to solve the problems in the above background technology. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a test device for detecting the compression resistance of food packing box, which can efficiently and accurately evaluate the compression resistance of food packing box by setting pressure sensor, laser range finder and spring, and provide scientific basis for packaging design and logistics optimization.

[0005] To achieve the above-mentioned purpose, a test device for detecting the compression resistance of food packing box is provided, which comprises a base, the top of the base is provided with mounting plate, movable plate and pressure plate from top to bottom in sequence, pressure sensor is fixedly connected between movable plate and pressure plate, laser range finder is fixedly connected to the bottom of pressure plate and the side close to edge, U-shaped structure's fixing frame is fixedly connected to the top of base, air cylinder is fixedly connected to the top of fixing frame, the bottom end of air cylinder piston rod is fixedly connected to the top of mounting plate.

[0006] The four springs are fixedly connected between the mounting plate and the movable plate uniformly.

[0007] According to the test device for detecting the compression resistance of the food packaging box, the electric push rod is fixedly connected to the top of the pressing plate and one side close to the edge, and the warm and humid sensor is fixedly connected to the bottom end of the piston rod of the electric push rod.

[0008] According to the test device for detecting the compression resistance of the food packaging box, the slide rods are inserted into the springs, the bottom ends of the slide rods are fixedly connected to the top of the movable plate, the slide rods are connected to the inside of the mounting plate, and the top ends of the slide rods are fixedly connected to the limiting plates.

[0009] According to the test device for detecting the compression resistance of the food packaging box, the two limiting columns with a certain length are fixedly connected to the top of the movable plate symmetrically.

[0010] According to the test device for detecting the compression resistance of the food packaging box, the plurality of movable wheels with self-locking structures are uniformly mounted on the bottom of the base.

[0011] According to the test device for detecting the compression resistance of the food packaging box, the human-computer interaction panel is fixedly connected to one side of the fixing frame.

[0012] The utility model has the advantages that:

[0013] 1. Compared with the prior art, the test device for detecting the compression resistance of the food packaging box can efficiently and accurately evaluate the compression resistance of the food packaging box by setting the pressure sensor, the laser range finder and the spring, and provides a scientific basis for packaging design and logistics optimization.

[0014] 2. Compared with the prior art, the test device for detecting the compression resistance of the food packaging box detects the temperature and humidity of the whole inside of the packaging box by setting the warm and humid sensor, ensures that the test environment meets the preset conditions, and is beneficial to reducing the test error caused by environmental factors.

[0015] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the utility model. DETAILED DESCRIPTION

[0016] The utility model will be further explained in combination with the drawings and examples;

[0017] Fig. 1 It is first overall structure schematic view of the utility model test device for detecting the compression resistance of the food packaging box;

[0018] Fig. 2 It is a second overall structure schematic view of the test device for detecting the compression resistance of food packaging boxes of the utility model;

[0019] Fig. 3 It is a partial structure schematic view of the test device for detecting the compression resistance of food packaging boxes of the utility model.

[0020] Legend:

[0021] 1, base; 2, mounting plate; 3, movable plate; 4, pressing plate; 5, pressure sensor; 6, laser range finder; 7, fixed frame; 8, air cylinder; 9, sliding rod; 10, limiting plate; 11, spring; 12, moving wheel; 13, man-machine interaction panel; 14, electric push rod; 15, temperature and humidity sensor; 16, limiting column. Specific implementation

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figs. 1-3 , the utility model discloses a kind of test device for detecting the compression resistance of food packaging boxes, it includes base 1, base 1 top is sequentially provided with mounting plate 2, movable plate 3 and pressing plate 4 from top to bottom, pressure sensor 5 is fixedly connected between movable plate 3 and pressing plate 4, laser range finder 6 is fixedly connected to the bottom of pressing plate 4 and the side near edge, U-shaped structure's fixed frame 7 is fixedly connected to the top of base 1, air cylinder 8 is fixedly connected to the top of fixed frame 7, the bottom end of air cylinder 8 piston rod is fixedly connected with the top of mounting plate 2, four springs 11 are fixedly connected between mounting plate 2 and movable plate 3 evenly, sliding rod 9 is inserted in spring 11, and the bottom end of sliding rod 9 is fixedly connected with the top of movable plate 3, sliding rod 9 is connected with the inside of mounting plate 2, and the top end of sliding rod 9 is fixedly connected with limiting plate 10, the connection between mounting plate 2 and movable plate 3 is further connected by sliding rod 9, benefitting to guarantee the stability of movable plate 3 and the bottom pressing plate 4 thereof, so as to benefit to guarantee that acting force is more evenly applied.

[0024] When the movable plate 3 and the compression plate 4 at the bottom thereof are in contact with the packaging box, the continuous downward movement of the mounting plate 2 will compress the spring 11, and as the spring 11 deforms, the pressure sensor 5 captures the pressure change. When the pressure sensor 5 captures a slight pressure change, it indicates that the bottom of the compression plate 4 has contacted the top of the packaging box. At this time, the laser range finder 6 operates to record the distance data between the compression plate 4 and the base 1. Then, the cylinder 8 continues to operate to exert greater force on the packaging box. When the packaging box is deformed due to the increase in pressure, the spring 11 exerts a force on the compression plate 4 to move downward, and the laser range finder 6 detects a change in the distance value, indicating that the packaging box has reached the collapse point. At this time, the data recorded by the pressure sensor 5 can be used to evaluate the compression resistance of the packaging box, efficiently and accurately evaluating the compression resistance of the food packaging box and providing a scientific basis for packaging design and logistics optimization.

[0025] The top of the compression plate 4 and one side near the edge are fixedly connected with an electric push rod 14, and the bottom end of the piston rod of the electric push rod 14 is fixedly connected with a temperature and humidity sensor 15.

[0026] Different temperature and humidity conditions will cause changes in the performance of the packaging box material. In a high-temperature environment, the packaging box material will become soft, and its compression resistance will decrease. If the humidity is too high, the packaging box will swell due to water absorption, lose its original strength and stability, and thus reduce its compression resistance. Therefore, before the detection work, the packaging box to be tested is opened and placed under the temperature and humidity sensor 15, and the cylinder 8 pushes the mounting plate 2 and the compression plate 4 below it to approach the packaging box. At this time, the electric push rod 14 moves downward to move the temperature and humidity sensor 15 to the inside of the packaging box to be tested, and the temperature and humidity inside the packaging box can be detected by the temperature and humidity sensor 15 to ensure that the test environment meets the preset conditions. When the test requirements are not met, the detection personnel can take timely measures to adjust and control to reduce the test errors caused by environmental factors.

[0027] The top of the movable plate 3 is fixedly connected with two limiting columns 16 of a certain length in symmetry, and the length of the limiting column 16 ensures that the mounting plate 2 can contact the limiting column 16 when it moves downward to compress the spring 11. After the mounting plate 2 contacts the limiting column 16, the movement of the mounting plate 2 can more stably push the movable plate 3 to move downward, while ensuring that the spring 11 is compressed to a certain extent, so that the movable plate 3 and the compression plate 4 move downward by the elasticity of the spring 11.

[0028] One side of the fixed frame 7 is fixedly connected with a man-machine interaction panel 13, and an operator can conveniently set test parameters, start test and view real-time data through the panel, so that the device is conveniently controlled.

[0029] Working principle: before detection, the packaging box to be detected is opened and placed below the temperature and humidity sensor 15, the cylinder 8 pushes the mounting plate 2 and the pressing plate 4 below to approach the packaging box. At this time, the electric push rod 14 moves downward to move the temperature and humidity sensor 15 to the inside of the packaging box to be detected, so that the temperature and humidity of the whole inside of the packaging box can be detected through the temperature and humidity sensor 15, so as to ensure that the test environment meets the preset conditions and reduce the test error caused by environmental factors.

[0030] When the pressing plate 4 contacts the packaging box, the continuous downward movement of the mounting plate 2 will compress the spring 11, and the pressure sensor 5 will capture the pressure change as the spring 11 deforms. When the pressure sensor 5 captures a slight pressure change, it indicates that the bottom of the pressing plate 4 has contacted the top of the packaging box. At this time, the laser range finder 6 operates to record the distance data between the pressing plate 4 and the base 1. Then, the cylinder 8 continuously operates to exert greater force on the packaging box, and when the packaging box is deformed due to the increase of the pressure, the spring 11 makes the pressing plate 4 move downward, and the laser range finder 6 detects the change of the distance value, which indicates that the packaging box has reached the collapse point. At this time, the data of the pressure sensor 5 can be used to evaluate the pressure resistance of the packaging box, and the anti-pressure performance of the food packaging box can be efficiently and accurately evaluated, which provides a scientific basis for packaging design and logistics optimization.

[0031] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A testing device for detecting the compressive strength of food packaging boxes, characterized in that, The application relates to a pressure sensor device, which comprises a base (1), wherein the top of the base (1) is sequentially provided with a mounting plate (2), a movable plate (3) and a pressing plate (4) from top to bottom; a pressure sensor (5) is fixedly connected between the movable plate (3) and the pressing plate (4); a laser range finder (6) is fixedly connected to the bottom of the pressing plate (4) and one side close to the edge; a fixed frame (7) with a U-shaped structure is fixedly connected to the top of the base (1); a pneumatic cylinder (8) is fixedly connected to the top of the fixed frame (7); the bottom end of the piston rod of the pneumatic cylinder (8) is fixedly connected to the top of the mounting plate (2). Four springs (11) are fixedly connected between the mounting plate (2) and the movable plate (3) uniformly.

2. The test device for detecting the crush resistance of a food packaging container according to claim 1, wherein An electric push rod (14) is fixedly connected to the top of the pressing plate (4) and one side close to the edge; the bottom end of the piston rod of the electric push rod (14) is fixedly connected to a temperature and humidity sensor (15).

3. The test apparatus for detecting the crush resistance of a food packaging container according to claim 2, wherein Sliding rods (9) are inserted into the springs (11) uniformly; the bottom ends of the sliding rods (9) are fixedly connected to the top of the movable plate (3); the sliding rods (9) are connected to the inside of the mounting plate (2); and the top ends of the sliding rods (9) are fixedly connected to limiting plates (10).

4. The test device for detecting the crush resistance of a food packaging container according to claim 3, wherein Two limiting columns (16) with a certain length are fixedly connected to the top of the movable plate (3) symmetrically.

5. The test apparatus for detecting the crush resistance of a food packaging container according to claim 4, wherein A plurality of movable wheels (12) with self-locking structures are mounted on the bottom of the base (1) uniformly.

6. The test device for detecting the crush resistance of a food packaging container according to claim 1, wherein A man-machine interaction panel (13) is fixedly connected to one side of the fixed frame (7).

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