Device for testing packaging volume through mass method

Abstract

The utility model discloses a device for testing the packaging volume through a mass method. The device comprises a base, a water storage supporting seat, a weighing device, a water receiving pool, a water storage pool, a pressing plate, a pneumatic telescopic push rod, a top connecting cabinet and a side storage cabinet. The water storage supporting seat and the weighing device are arranged on the base; the water receiving tank is arranged on the weighing device; the water storage pond is arranged on the water storage supporting seat, an overflow port is formed in the top of the side wall of the water storage pond, an overflow pipe is in butt joint with the outer side of the overflow port, and water flowing out of the overflow pipe falls into the water receiving pond; the pressing plate, the pneumatic telescopic push rod and the top connecting cabinet are sequentially located over the water storage pond from bottom to top. Drainage holes are distributed in the pressing plate horizontally, and a connecting point is arranged in the center of the upper surface of the pressing plate. The connecting end of the pneumatic telescopic push rod is connected to the top connecting cabinet, and the driving end is vertically connected with the connecting point; the side storage cabinet is arranged on one side of the water storage pond, and the top connecting cabinet is connected to the top of the side wall of the side storage cabinet. According to the device, the accuracy and the stability of small-size package testing are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of quality method testing packaging volume's device, belong to packaging test technical field. BACKGROUND

[0002] Excessive packaging refers to the packaging void ratio, packaging layer number, packaging cost, material selection and other packaging that exceed normal functional requirements. It is specifically manifested as excessive packaging layer number, excessive packaging void, excessive packaging cost, and overly gorgeous decoration.

[0003] China is the second largest packaging country in the world, with a huge total amount of packaging waste, more than 70% of which is caused by excessive packaging. Excessive packaging not only wastes resources, but also causes serious environmental pollution. At the same time, excessive packaging increases the cost of goods, which is ultimately passed on to consumers, resulting in high commodity prices. With the rapid development of e-commerce, express delivery and other industries, the problem of excessive packaging is on the rise.

[0004] In August 2021, the State Market Supervision Administration issued GB 23350-2021 "Requirements for Limiting Excessive Packaging of Food and Cosmetics", which has strict requirements for commodity packaging and packaging volume. If the volume is tested by the change of liquid level, the change of liquid level of small volume packaging placed in water is very small, which may not be able to complete the measurement due to the influence of sensor accuracy. Based on this, the utility model designs a quality method testing packaging volume's device to improve the test accuracy of small volume packaging. UTILITY MODEL CONTENT

[0005] The utility model provides a quality method testing packaging volume's device, which improves the test accuracy of small volume packaging.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A quality method testing packaging volume's device, comprising a base, a water storage support seat, a weighing device, a water receiving pool, a water storage pool, a pressing plate, a pneumatic telescopic push rod, a top connection cabinet and a side storage cabinet;

[0008] The water storage support seat and the weighing device are both provided on the base; the water receiving pool is provided on the weighing device; the water storage pool is provided on the water storage support seat, and the top of the side wall of the water storage pool is provided with a water overflow port; the water overflow port is externally connected with a water overflow pipe in communication with the inside of the water storage pool, and the water overflow pipe is higher than the top of the water receiving pool, so that the water flowing out of the water overflow pipe falls into the water receiving pool;

[0009] The pressing plate, the pneumatic telescopic push rod and the top connection cabinet are sequentially arranged from bottom to top, and all are located directly above the water storage pool;

[0010] The upper and lower surfaces of the pressing plate are flat structures, the pressing plate is horizontally arranged, a connecting point is arranged at the central position of the upper surface of the pressing plate, and drainage holes are arranged around the connecting point on the upper surface of the pressing plate.

[0011] The pneumatic telescopic push rod is vertically arranged, one end of the pneumatic telescopic push rod is a driving end, the other end is a connecting end, the connecting end of the pneumatic telescopic push rod is connected to the top connecting cabinet, the driving end of the pneumatic telescopic push rod is connected to the connecting point on the upper surface of the pressing plate in a perpendicular manner, and the pressing plate moves up and down, extends into or exits the water storage pool under the driving of the pneumatic telescopic push rod.

[0012] The side storage cabinet is arranged at one side of the water storage pool, and the top connecting cabinet is connected to the top of the side wall of the side storage cabinet.

[0013] The base is used for supporting the water storage support, the weighing device, the water receiving pool, the water storage pool and the like. The water storage support is used for lifting the water storage pool. The water storage pool is used for storing test water. The overflow port on the water storage pool is used for discharging water for replacing the sample to be tested during the test. The water receiving pool is used for receiving the water discharged by the overflow pipe. The weighing device is used for weighing the mass of the water falling into the water receiving pool.

[0014] The pneumatic telescopic push rod is used for driving the pressing plate to move up and down. The pressing plate is used for pressing the sample to be tested into the water in the water storage pool. The top connecting cabinet is used for connecting and placing the pneumatic telescopic push rod assembly and the connecting pipe. The side storage cabinet is used for placing the air pump and other circuit facilities.

[0015] As common sense, one end of the pneumatic telescopic push rod is a driving end, which can be extended or shortened. The other end is a connecting end, which is used for connecting and fixing the pneumatic telescopic push rod. The pneumatic telescopic push rod cannot rotate relative to the top connecting cabinet. The connecting and fixing mode of the connecting end can be referred to the product manual or the prior art.

[0016] The driving end of the pneumatic telescopic push rod is connected to the connecting point at the central position of the upper surface of the pressing plate in a perpendicular manner, and the pressing plate cannot rotate relative to the driving end of the pneumatic telescopic push rod. For example, it can be welded, or a sleeve matched with the driving end is arranged on the upper surface of the pressing plate, two or more than two threaded holes are arranged on the side wall of the sleeve, and the end of the fixing bolt matched with the threaded hole is abutted against the side wall of the driving end to form a fixing.

[0017] The structure and use method of the pneumatic telescopic push rod itself are not improved in the present application, and therefore will not be described here.

[0018] When testing, water is added to the water storage pool until the liquid level reaches the lowest position of the overflow outlet, at which time the water in the water storage pool will not overflow, but if water continues to be added, the water will inevitably overflow; the weight of the water receiving pool is measured by the weighing device as m1; the sample to be tested is placed in the water storage pool, and the pressure plate is driven by the pneumatic telescopic push rod to move vertically downward until the pressure plate and the sample to be tested are completely immersed in water, during which the water continuously overflows from the overflow outlet into the water receiving pool through the overflow pipe until the liquid level in the water storage pool reaches the lowest position of the overflow outlet, and the weight of the water receiving pool at this time is read as m2, then the weight gain of the water receiving pool before and after the sample to be tested is immersed in the water storage pool is m2-m1=m3, and the volume V of the sample to be tested is obtained by dividing m3 by the density of water and deducting the volume of the pressure plate.

[0019] The volume of the pressure plate refers to the accurate volume including the drain hole, and the volume of the pressure plate is a fixed value after the preparation of the pressure plate is completed.

[0020] The present application regards the package with a volume of ≤5000cm 3 as a small volume package.

[0021] At present, the test of the package volume in the national standard only has a simple description, and there is a large error in the actual operation process by manual operation. If the volume is tested by the change of the liquid level, the change of the liquid level of the small volume package placed in the water is very small, and the measurement may not be completed due to the influence of the accuracy of the sensor. However, the device of the present application can be suitable for small volume packages, and of course the present application can also test the volume of a package of >5000cm 3 .

[0022] The utility model discloses can carry out automatic volume test to small size sealed soft package sample, has higher test accuracy and stability.

[0023] In order to improve the adaptability of the device, the water receiving pool has two or more than two different sizes, and the water storage support seat is a lifting structure. In this way, it can be suitable for testing of different sizes, when the volume of the sample to be tested is larger, the appropriate larger water receiving pool can be replaced according to the need, and the height of the water storage support seat can be adjusted according to the need.

[0024] In order to facilitate processing and reduce resistance, the drain hole on the pressure plate is a round hole, and the material of the pressure plate is a stainless steel plate with a thickness of 2-5mm.

[0025] In order to improve the use stability of the device, the above-mentioned pressure plate, pneumatic telescopic push rod, upper cavity and water storage pool are coaxial, and the cross section of the water storage pool and the pressure plate is a square, and the side length of the bottom plate is 10-20cm smaller than the side length of the cross section of the inner side of the water storage pool.

[0026] In order to ensure the stability and accuracy of the telescopic control, the pneumatic telescopic push rod is further a three-section pneumatic telescopic push rod.

[0027] In order to facilitate use, the device for testing the volume of the package by the mass method further comprises a control system and a digital display interface connected with each other, the control system is arranged in the upper cavity and / or the rear cavity, the pneumatic telescopic push rod is connected with the control system and controlled by the control system, and the digital display interface is arranged on the top connecting side wall.

[0028] In order to facilitate water replenishment or replacement, the device for testing the volume of the package by the mass method further comprises a water inlet pipe, one end of the water inlet pipe is connected with a water source, the other end of the water inlet pipe is connected with the top of the water storage pool, a water inlet electromagnetic valve is arranged on the water inlet pipe, a drain pipe is arranged at the bottom of the water storage pool, a drain electromagnetic valve is arranged on the drain pipe, and the water inlet electromagnetic valve and the drain electromagnetic valve are connected with the control system and controlled by the control system.

[0029] The water outlet end of the water inlet pipe is located above one side of the water storage pool and avoids the moving path of the pressing plate, so that water flowing out of the water inlet pipe can all enter the water storage pool, and the up-down movement of the pressing plate and the water level change in the water storage pool are not affected. In this way, the automation control of water inlet and water outlet can be realized. The drain pipe is connected with the buffer pool through a pipeline, and the water in the buffer pool can be recycled or used for other purposes.

[0030] The drain pipe is used for draining or replacing the water in the water storage pool.

[0031] In order to improve the measurement accuracy, a wet sensitive sensor is arranged on the upper surface of the pressing plate, and the wet sensitive sensor is connected with the control system. When the wet sensitive sensor senses that the upper surface of the pressing plate is submerged, the pneumatic telescopic push rod is immediately controlled to stop moving downward.

[0032] The specific control method of the present application can not be particularly improved, and the existing mature technology can be used, so the present application will not be described again. The control system can adopt the existing PLC control system.

[0033] In order to improve the accuracy of the test and reduce or avoid the residual in the overflow pipe, the overflow pipe is a downward inclined inclined pipe structure, one end of the overflow pipe is connected with the overflow port on the water storage pool, and the other end of the overflow pipe points to the inner side of the water receiving pool. The water overflowing from the water storage pool falls into the water receiving pool through the overflow pipe.

[0034] The weighing device of the present application is an electronic balance.

[0035] In order to improve the stability of the device, a first placing groove and a second placing groove are arranged on the base; the first placing groove is matched with the bottom of the water storage support seat, and the water storage support seat is arranged in the first placing groove; and the second placing groove is matched with the bottom of the weighing device, and the weighing device is arranged in the second placing groove.

[0036] The technologies not mentioned in the present application refer to the prior art.

[0037] The utility model discloses quality method test packaging volume's device, has improved the accuracy and stability of small volume packaging test, overcome the problem that small volume packaging brings the liquid level height change little and leads to test inaccuracy or failure, simple structure, easy operation, high degree of automation, good stability, strong adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 It is structural schematic drawing of quality method test packaging volume's device in the utility model embodiment 1;

[0039] Figure 2 It is structural schematic drawing of quality method test packaging volume's device in the utility model embodiment 6;

[0040] In the drawing, 1 is base, 2 is water storage support seat, 3 is weighing device, 4 is water receiving pool, 5 is water storage pool, 51 is overflow pipe, 6 is pressing plate, 61 is drain hole, 7 is pneumatic telescopic push rod, 8 is top connecting cabinet, 9 is side storage cabinet, 10 is water inlet pipe, 11 is humidity sensor, 12 is sample to be measured. DETAILED DESCRIPTION

[0041] In order to better understand the utility model, the contents of the utility model are further illustrated below in conjunction with examples, but the contents of the utility model are not limited to the following examples only.

[0042] The orientation words such as up and down, left and right, front and back, horizontal and vertical of the present application are based on the relative orientation or positional relationship shown in the drawings, and should not be understood as absolute limitation of the present application.

[0043] The present application Figures 1-2 It is structural schematic drawing, and for the details not embodied specially, refer to prior art.

[0044] Example 1

[0045] As Figure 1 Shown, a kind of quality method test packaging volume's device, including base, water storage support seat, weighing device, water receiving pool, water storage pool, pressing plate, pneumatic telescopic push rod, top connecting cabinet and side storage cabinet;

[0046] Water storage support seat and weighing device are all arranged on base;Water receiving pool is arranged on weighing device, and weighing device uses electronic balance;Water storage pool is arranged on water storage support seat, and water storage pool side wall top is equipped with overflow, and the outer side of overflow is butt-jointed with overflow pipe communicated with the inner side of water storage pool, and overflow pipe is higher than the top of water receiving pool, and the water flowing out of overflow pipe falls into water receiving pool;

[0047] Pressing plate, pneumatic telescopic push rod and top connecting cabinet are sequentially from bottom to top, and all are located directly above water storage pool;

[0048] The upper and lower surfaces of the pressing plate are flat structures, the pressing plate is horizontally arranged, a connecting point is arranged at the center of the upper surface of the pressing plate, and drainage holes are arranged around the connecting point on the upper surface of the pressing plate.

[0049] The pneumatic telescopic push rod is vertically arranged, one end of the pneumatic telescopic push rod is a driving end, the other end is a connecting end, the connecting end of the pneumatic telescopic push rod is connected to the top connecting cabinet, the driving end of the pneumatic telescopic push rod is vertically connected to the connecting point on the upper surface of the pressing plate, and the pressing plate moves up and down, extends into or exits the water storage pool under the driving of the pneumatic telescopic push rod.

[0050] The side storage cabinet is arranged at one side of the water storage pool, and the top connecting cabinet is connected to the top of the side wall of the side storage cabinet.

[0051] The base is used for supporting the water storage support, the weighing device, the water receiving pool, the water storage pool and the like. The water storage support is used for lifting the water storage pool. The water storage pool is used for storing test water. The overflow port on the water storage pool is used for draining water for replacing the sample to be tested during the test. The water receiving pool is used for receiving the water drained by the overflow pipe. The weighing device is used for weighing the mass of the water falling into the water receiving pool. The pneumatic telescopic push rod is used for driving the pressing plate to move up and down. The pressing plate is used for pressing the sample to be tested into the water in the water storage pool. The top connecting cabinet is used for connecting and placing the pneumatic telescopic push rod assembly and the connecting pipe. The side storage cabinet is used for placing the air pump and other circuit facilities. The driving end of the pneumatic telescopic push rod is vertically connected to the connecting point at the center of the upper surface of the pressing plate, and the pressing plate cannot rotate relative to the driving end of the pneumatic telescopic push rod. In this example, welding is adopted.

[0052] During the test, water is added to the water storage pool until the liquid level reaches the same level as the lowest position of the overflow port. At this time, the water in the water storage pool will not overflow, but if the water continues to be added, the water will inevitably overflow. The weight of the water receiving pool is measured by the weighing device as m1. The sample to be tested is placed in the water storage pool, and the pressing plate is driven by the pneumatic telescopic push rod to move vertically downward until the pressing plate and the sample to be tested are completely immersed in the water. During this process, water continuously overflows from the overflow port into the water receiving pool through the overflow pipe until the liquid level in the water storage pool reaches the same level as the lowest position of the overflow port. The weight of the water receiving pool at this time is read as m2. The weight gain of the water receiving pool before and after the sample to be tested is immersed in the water storage pool is m2-m1=m3. The volume V is obtained by dividing m3 by the density of water, and the volume of the sample to be tested is obtained by deducting the volume of the pressing plate.

[0053] Example 2

[0054] On the basis of example 1, the following improvements are made: in order to improve the adaptability of the device, there are two or more different sizes of water receiving pools, and the water storage support is a lifting structure. In this way, it can be suitable for different sizes of tests. When the volume of the sample to be tested is large, the appropriate larger water receiving pool can be replaced according to the needs, and the height of the water storage support can be adjusted according to the needs.

[0055] Example 3

[0056] On the basis of Embodiment 1 or 2, further improvements are made as follows: In order to facilitate processing and reduce resistance, the drainage holes on the pressing plate are circular holes, and the material used for the pressing plate is a stainless steel plate with a thickness of 3 mm. In order to improve the stability of the device, the above-mentioned pressing plate, pneumatic telescopic push rod, upper cavity and water storage tank are coaxially arranged, the cross sections of the water storage tank and the pressing plate are both square, and the side length of the bottom plate is 12 cm smaller than that of the inside cross section of the water storage tank. The pneumatic telescopic push rod is further a three-section pneumatic telescopic push rod.

[0057] Embodiment 4

[0058] On the basis of Embodiment 3, further improvements are made as follows: In order to facilitate use, the device for testing the volume of the package by mass method further includes a control system and a digital display interface connected with each other, the control system is arranged in the upper cavity and / or rear cavity, the pneumatic telescopic push rod is connected with the control system and controlled by the control system, and the digital display interface is arranged on the top connecting side wall.

[0059] Embodiment 5

[0060] On the basis of Embodiment 4, further improvements are made as follows: In order to facilitate water replenishment or replacement, the device for testing the volume of the package by mass method further includes a water inlet pipe, one end of the water inlet pipe is connected with a water source, the other end of the water inlet pipe leads to the top of the water storage tank, a water inlet electromagnetic valve is arranged on the water inlet pipe, a drain pipe is arranged at the bottom of the water storage tank, a drain electromagnetic valve is arranged on the drain pipe, and the water inlet electromagnetic valve and the drain electromagnetic valve are connected with the control system and controlled by the control system. The water outlet end of the water inlet pipe is located above one side of the water storage tank and avoids the moving path of the pressing plate, so as to ensure that the water flowing out of the water inlet pipe can all enter the water storage tank and does not affect the up-down movement of the pressing plate and the water level change in the water storage tank. In this way, the automatic control of water inlet and outlet can be realized. The drain pipe is connected with a buffer tank through a pipeline, and the water in the buffer tank can be recycled or used for other purposes. The drain pipe is used for draining or replacing the water in the water storage tank. The water inlet pipe is used for replenishing the water in the water storage tank.

[0061] Embodiment 6

[0062] On the basis of Embodiment 5, further improvements are made as follows: In order to improve the measurement accuracy, a humidity sensor is arranged on the upper surface of the pressing plate, and the humidity sensor is connected with the control system. When the humidity sensor senses that the upper surface of the pressing plate is submerged, the pneumatic telescopic push rod is immediately controlled to stop moving downward. In order to improve the accuracy of the test and reduce or avoid the residue in the overflow pipe, the overflow pipe is a downwardly inclined inclined pipe structure, one end of the overflow pipe is connected with the overflow port on the water storage tank, and the other end of the overflow pipe points to the inside of the water receiving tank. The water overflowing from the water storage tank falls into the water receiving tank through the overflow pipe.

[0063] Embodiment 7

[0064] On the basis of embodiment 3 or 6, the following improvements are further made: in order to improve the stability of the device in use, the base is provided with a first placing groove and a second placing groove; the first placing groove is matched with the bottom of the water storage support seat, and the water storage support seat is placed in the first placing groove; the second placing groove is matched with the bottom of the weighing device, and the weighing device is placed in the second placing groove.

[0065] The device for testing the volume of the package by the mass method in each of the above examples improves the accuracy of the test of small-volume packages, overcomes the problems caused by the small change in the liquid level of small-volume packages, has a simple structure, is easy to operate, has a high degree of automation, is good in stability and strong in adaptability.

Claims

1. An apparatus for mass flow testing a package volume, characterized by: The device comprises a base (1), a water storage support seat (2), a weighing device (3), a water receiving pool (4), a water storage pool (5), a pressing plate (6), a pneumatic telescopic push rod (7), a top connecting cabinet (8) and a side storage cabinet (9). The water storage support seat (2) and the weighing device (3) are arranged on the base (1); the water receiving pool (4) is arranged on the weighing device (3); the water storage pool (5) is arranged on the water storage support seat (2), and the top of the side wall of the water storage pool (5) is provided with an overflow port, the outer side of the overflow port is connected with an overflow pipe (51) in communication with the inner side of the water storage pool (5), the overflow pipe (51) is higher than the top of the water receiving pool (4), and the water flowing out of the overflow pipe (51) falls into the water receiving pool (4). The pressing plate (6), the pneumatic telescopic push rod (7) and the top connecting cabinet (8) are sequentially arranged from bottom to top and are located directly above the water storage pool (5). The upper and lower surfaces of the pressing plate (6) are both flat structures, the pressing plate (6) is horizontally arranged, the upper surface of the pressing plate (6) is provided with a connecting point at the central position, and a plurality of drainage holes (61) are arranged around the connecting point on the upper surface of the pressing plate (6). The pneumatic telescopic push rod (7) is vertically arranged, one end of the pneumatic telescopic push rod (7) is a driving end, the other end is a connecting end, the connecting end of the pneumatic telescopic push rod (7) is connected to the top connecting cabinet (8), the driving end of the pneumatic telescopic push rod (7) is perpendicularly connected to the connecting point on the upper surface of the pressing plate (6), and the pressing plate (6) moves up and down, extends into or exits the water storage pool (5) under the driving of the pneumatic telescopic push rod (7). The side storage cabinet (9) is arranged on one side of the water storage pool (5), and the top connecting cabinet (8) is connected to the top of the side wall of the side storage cabinet (9).

2. The mass method apparatus for testing a package volume according to claim 1, wherein: The water receiving pool (4) has two or more than two different sizes, and the water storage support seat (2) is a lifting structure.

3. Apparatus for testing the volume of a package of mass according to claim 1 or 2, characterised in that: The drainage holes (61) on the pressing plate (6) are round holes, and the material of the pressing plate (6) is a stainless steel plate with a thickness of 2-5 mm.

4. Apparatus for testing the volume of a package of mass according to claim 1 or 2, characterized in that: The pressing plate (6), the pneumatic telescopic push rod (7), the upper cavity and the water storage pool (5) are coaxially arranged, the cross sections of the water storage pool (5) and the pressing plate (6) are both square, and the length of the side of the bottom plate is 10-20 cm shorter than the length of the side of the cross section of the inner side of the water storage pool (5).

5. Apparatus for testing the volume of a package of mass according to claim 1 or 2, characterized in that: The pneumatic telescopic push rod (7) is further a three-section pneumatic telescopic push rod (7).

6. Apparatus for testing the volume of a package of mass according to claim 1 or 2, characterized in that: The device further comprises a control system and a digital display interface which are connected to each other, the control system is arranged in the upper cavity and / or the rear cavity, the pneumatic telescopic push rod (7) is connected to the control system and controlled by the control system, and the digital display interface is arranged on the top connecting side wall.

7. The mass method apparatus for testing a package volume of claim 6, wherein: The device further comprises a water inlet pipe (10), one end of the water inlet pipe (10) is connected to a water source, the other end of the water inlet pipe (10) leads to the top of the water storage pool (5), the water inlet pipe (10) is provided with a water inlet electromagnetic valve, the bottom of the water storage pool (5) is provided with a drainage pipe, the drainage pipe is provided with a drainage electromagnetic valve, and the water inlet electromagnetic valve and the drainage electromagnetic valve are connected to the control system and controlled by the control system.

8. Apparatus for testing the volume of a package of mass according to claim 1 or 2, characterized in that: The upper surface of the pressing plate (6) is provided with a humidity sensor (11), and the humidity sensor (11) is connected to the control system.

9. The apparatus for mass flow testing a package volume of claim 1 or 2, wherein: The overflow pipe (51) is a downwardly inclined inclined pipe structure, one end of the overflow pipe (51) is connected to the overflow port on the water storage pool (5), and the other end of the overflow pipe (51) points to the inner side of the water receiving pool (4).

10. The apparatus for mass flow testing a package volume of claim 1 or 2, wherein: The weighing device (3) is an electronic balance; the base (1) is provided with a first placing groove and a second placing groove; the first placing groove is matched with the bottom of the water storage support seat (2), and the water storage support seat (2) is arranged in the first placing groove; the second placing groove is matched with the bottom of the weighing device (3), and the weighing device (3) is arranged in the second placing groove.

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