Sampling detection device for feeding pipe of sealing bag film blowing machine

Abstract

The utility model discloses a sampling detection device for a feeding pipe of a sealing bag film blowing machine, and belongs to the technical field of sampling detection. Comprising a feeding pipe, a sampling mechanism is arranged in the middle of the outer surface of the feeding pipe, a feeding mechanism is arranged on the outer surface of the sampling mechanism, and a control mechanism is arranged on one side in the feeding pipe. According to the sampling detection device for the feeding pipe of the sealing bag film blowing machine, reasonable sampling frequency is set through the timing module according to the production speed and the stability of raw materials, a first motor drives a first rotating rod to rotate, a spiral conveying blade conveys materials in the feeding pipe to the interior of a sampling pipe, the device can conduct quantitative sampling, waste of samples is avoided, and the sampling detection efficiency is improved. Non-stop sampling operation is achieved, the quality of raw materials in the feeding pipe is monitored in real time, it is guaranteed that the raw materials entering the film blowing machine meet production requirements, product defects caused by raw material problems are avoided, and production efficiency is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of sampling and testing technology, and in particular to a sampling and testing device for the feed pipe of a sealed bag blown film machine. Background Technology

[0002] Sealing bags are household items that can be made into garbage bags, ice packs, grocery bags, heavy-duty packaging bags, and stretch wrap bags, etc. Sealing bags are manufactured using a blown film extrusion machine. A blown film extrusion machine is a processing device that heats and melts plastic particles and then blows them into a thin film. During the film extrusion feeding process, the conveyed plastic particles need to be sampled to determine if the material meets the product's production requirements. Existing sealing bag blown film extrusion machines require stopping the machine during production for sampling and testing, resulting in low sampling efficiency and potentially impacting production efficiency. Therefore, we propose a sampling and testing device for the feed pipe of a sealing bag blown film extrusion machine to solve these problems. Utility Model Content

[0003] The purpose of this invention is to provide a sampling and testing device for the feed pipe of a blown film machine for sealing bags, which aims to solve the problem that existing blown film machines need to be stopped for sampling and testing.

[0004] To solve the above technical problems, this utility model provides a sampling and testing device for the feeding pipe of a sealing bag blown film machine, including a feeding pipe, a sampling mechanism is provided in the middle of the outer surface of the feeding pipe, a feeding mechanism is provided on the outer surface of the sampling mechanism, and a control mechanism is provided on one side inside the feeding pipe.

[0005] The sampling mechanism includes a sampling tube fixed to the lower surface of the feeding tube, a first bracket fixedly connected to the middle of the upper surface of the feeding tube, a first motor fixedly connected to the upper surface of the first bracket, a timing module electrically connected to the outer surface of the first motor, a first rotating rod fixedly connected to the output end of the first motor, and a spiral conveying blade fixedly connected to the bottom of the outer surface of the first rotating rod.

[0006] Preferably, a sealing element is fixedly connected to the inner side of the sampling tube near the spiral conveying blade.

[0007] Preferably, a delivery tube is installed at the bottom of the inner side of the sampling tube, a rubber sleeve is fixedly connected to the top of the outer surface of the delivery tube, and rubber barbs are fixedly connected to the outer surface of the rubber sleeve.

[0008] Preferably, the feeding mechanism includes a connecting pipe fixed to the outer surface of the sampling tube, an air inlet pipe is inserted into the inside of the connecting pipe, and an air pump is fixedly connected to one end of the air inlet pipe.

[0009] Preferably, an air extraction pipe is fixedly connected to the lower surface of the air pump, and a filter head is fitted onto one end of the air extraction pipe.

[0010] Preferably, the control mechanism comprises a second support fixed on the upper surface of the feeding pipe, the upper surface of the second support is fixedly connected with a second motor, the outer surface of the second motor is electrically connected with a microcontroller, and the microcontroller is electrically connected with the sample inspection equipment.

[0011] Preferably, the output end of the second motor is fixedly connected with a second rotating rod, and the outer surface of the second rotating rod is fixedly connected with a baffle.

[0012] Preferably, the inner side of the feeding pipe is fixedly connected with a sealing ring on the side close to the baffle.

[0013] Compared with the prior art, the device has the advantages that:

[0014] 1. The timing module sets a reasonable sampling frequency according to the production speed and the stability of the raw materials, the first motor drives the first rotating rod to rotate, the spiral conveying blade conveys the materials in the feeding pipe to the inside of the sampling pipe, so that the device can quantitatively sample, avoids waste of the sample, realizes non-stop sampling operation, monitors the quality of the raw materials in the feeding pipe in real time, ensures that the raw materials entering the film blowing machine meet the production requirements, avoids product defects caused by the raw materials, and guarantees the production efficiency.

[0015] 2. The air pump draws external air through the air suction pipe, then increases the internal pressure of the sampling pipe through the air inlet pipe, and conveys the sampled materials to the detection equipment, so that feeding is more convenient and fast, the detection time is saved, the filter head prevents dust from affecting the sample, the accuracy of sample detection is guaranteed, when the sample detection equipment detects that the sample has a problem, the microcontroller automatically controls the second motor to start, the feeding pipe is closed through the baffle, the quality problem of the raw materials is found in time, waste and rework cost caused by unqualified raw materials are reduced, and automatic control is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a front view structural schematic diagram of the sampling and detection device of the feeding pipe of the sealing bag film blowing machine provided by the utility model;

[0017] Fig. 2 is a sectional plane structural schematic diagram of the sampling and detection device of the feeding pipe of the sealing bag film blowing machine provided by the utility model;

[0018] Fig. 3 is a sampling mechanism structural schematic diagram of the sampling and detection device of the feeding pipe of the sealing bag film blowing machine provided by the utility model;

[0019] Fig. 4 is a feeding mechanism structural schematic diagram of the sampling and detection device of the feeding pipe of the sealing bag film blowing machine provided by the utility model;

[0020] Fig. 5 is a conveying pipe structure schematic view of the sampling detection device of the sealing bag blown film machine feeding pipe provided by the utility model;

[0021] Fig. 6 is a control mechanism structure schematic view of the sampling detection device of the sealing bag blown film machine feeding pipe provided by the utility model.

[0022] In the figure: 1, feeding pipe; 2, sampling mechanism; 201, sampling pipe; 202, first support; 203, first motor; 204, timing module; 205, first rotating rod; 206, spiral conveying blade; 207, sealing element; 3, feeding mechanism; 301, connecting pipe; 302, air inlet pipe; 303, air pump; 304, air extraction pipe; 305, filter head; 4, control mechanism; 401, second support; 402, second motor; 403, microcontroller; 404, second rotating rod; 405, baffle; 406, sealing ring; 5, conveying pipe; 501, rubber sleeve; 502, rubber barb. DETAILED DESCRIPTION

[0023] The utility model will be made further detailed description in combination with the drawings and specific embodiment. According to the following description and claims, the advantages and features of the utility model will be more clear. It should be noted that the drawings all adopt very simplified form and all use non-precise proportion, only to facilitate, clear and assist the purpose of describing the embodiment of the utility model.

[0024] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0025] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the above terms can be understood by the specific meaning in the utility model through specific circumstances. Embodiment

[0026] The utility model provides a kind of sampling detection device of sealing bag blown film machine feed pipe, please refer to Figs. 1-6 , including feed pipe 1, the middle part of the outer surface of feed pipe 1 is provided with sampling mechanism 2, the outer surface of sampling mechanism 2, the outer surface of sampling mechanism 2 is provided with feeding mechanism 3, one side in feed pipe 1 is provided with control mechanism 4;Sampling mechanism 2 includes sampling tube 201 fixed in the lower surface of feed pipe 1, the middle part of the upper surface of feed pipe 1 is fixedly connected with first support 202, the upper surface of first support 202 is fixedly connected with first motor 203, the outer surface of first motor 203 is electrically connected with timing module 204, the output end of first motor 203 is fixedly connected with first rotating rod 205, the bottom of the outer surface of first rotating rod 205 is fixedly connected with spiral conveying blade 206.Sampling tube 201 inner side is fixedly connected with sealing element 207 close to the side of spiral conveying blade 206.

[0027] The bottom of the inner side of sampling tube 201 is mounted with conveying pipe 5, the top of the outer surface of conveying pipe 5 is fixedly connected with rubber sleeve 501, the outer surface of rubber sleeve 501 is fixedly connected with rubber barb 502.

[0028] Feeding mechanism 3 includes connecting pipe 301 fixed on the outer surface of sampling tube 201, the inside of connecting pipe 301 is inserted with air inlet pipe 302, one end of air inlet pipe 302 is fixedly connected with air pump 303.

[0029] The lower surface of air pump 303 is fixedly connected with suction pipe 304, one end of suction pipe 304 is sleeved with filter head 305.

[0030] Control mechanism 4 includes second support 401 fixed on the upper surface of feed pipe 1, the upper surface of second support 401 is fixedly connected with second motor 402, the outer surface of second motor 402 is electrically connected with microcontroller 403, microcontroller 403 is electrically connected with sample inspection equipment.

[0031] The output end of the second motor 402 is fixedly connected with a second rotating rod 404, and the outer surface of the second rotating rod 404 is fixedly connected with a baffle 405.

[0032] The inner side of the feeding pipe 1 is fixedly connected with a sealing ring 406 on the side close to the baffle 405.

[0033] It should be noted that one end of the feeding pipe 1 is connected with the feeding mechanism, the other end is connected with the film blowing mechanism of the film blowing machine, the sampling mechanism 2 is connected with the sample detection equipment through the conveying pipe 5, the materials before the sealing bag is blown into a film can be sampled through the sampling mechanism 2, then the sample is conveyed to the sample detection equipment through the conveying pipe 5 through the feeding mechanism 3 for detection, if the sample is detected by the sample detection equipment, if the sample is not a problem, the film blowing machine is in normal operation, if the sample has a problem, the control mechanism 4 closes the feeding pipe 1 pipeline, reduces the waste and rework cost caused by unqualified raw materials;

[0034] The timing module 204 sets a reasonable sampling frequency according to the production speed and the stability of the raw materials, such as sampling once every hour or half an hour, when sampling, the first motor 203 drives the first rotating rod 205 to rotate, so that the spiral conveying blade 206 conveys the materials in the feeding pipe 1 to the inside of the sampling pipe 201, the number of rotations of the first rotating rod 205 and the spiral conveying blade 206 is controlled according to the detection requirement, so that the device can quantitatively sample, avoid waste of samples, realize non-stop sampling operation, real-time monitor the quality of the raw materials in the feeding pipe 1, ensure that the raw materials entering the film blowing machine meet the production requirements, avoid product defects caused by raw material problems, and ensure production efficiency.

[0035] Preferably, the sealing member 207 is fixed in the inside of the sampling pipe 201, so that the sealing property of the connection between the spiral conveying blade 206 and the sampling pipe 201 is enhanced, and the phenomenon of material flow leakage during non-sampling is avoided.

[0036] Preferably, the conveying pipe 5 is installed in the inside of the sampling pipe 201, a plurality of rubber barbs 502 are arranged on the surface of the rubber sleeve 501, the sealing property and firmness of the connection between the conveying pipe 5 and the sampling pipe 201 can be increased, the convenience of installation is achieved, the stability is enhanced, and the tail of the conveying pipe 5 can be connected with the sample detection equipment, so that the sample taken out is directly conveyed, and the convenience of use is increased.

[0037] Preferably, one end of the air inlet pipe 302 is inserted into the inside of the connecting pipe 301, and the other end is connected with the air pump 303, after sampling, the pressure in the inside of the sampling pipe 201 can be increased, the sampled materials are conveyed to the detection equipment, the feeding is more convenient and fast, and the detection time is saved.

[0038] Preferably, the filter head 305 is sleeved on one end of the air suction pipe 304, so that the air pump 303 avoids the entry of external dust when sucking air, prevents the influence of dust on the sample, and ensures the accuracy of sample detection.

[0039] Preferably, the microcontroller 403 is connected with the second motor 402 and the sample detection device, and when the sample detection device detects that the sample has a problem, the second motor 402 can be automatically controlled to start, and the feeding pipe 1 is closed by the baffle 405, so that the quality problem of the raw material is found in time, the waste and rework cost caused by unqualified raw material are reduced, and automatic control is realized.

[0040] Preferably, the second rotating rod 404 rotates under the action of the second motor 402, so that the feeding pipe 1 is closed by the baffle 405, the continuous feeding of the feeding pipe 1 after the sample detection has a problem is avoided, the appearance of the poor quality sealing bag is reduced, and the quality of the product is ensured.

[0041] Preferably, the sealing ring 406 is fixed inside the feeding pipe 1 and close to the baffle 405, so that the sealing property of the baffle 405 is enhanced, and the sealing effect is enhanced when the baffle 405 closes the feeding pipe 1.

[0042] In summary, the timing module 204 sets a reasonable sampling frequency according to the production speed and the stability of the raw material, when sampling, the first motor 203 drives the first rotating rod 205 to rotate, the material in the feeding pipe 1 is transported to the inside of the sampling pipe 201 by the spiral conveying blade 206, the air pump 303 sucks external air through the air suction pipe 304, then the pressure in the sampling pipe 201 is increased by the air inlet pipe 302, the sampled material is transported to the detection device, the microcontroller 403 is connected with the second motor 402 and the sample detection device, when the sample detection device detects that the sample has a problem, the second motor 402 is automatically controlled to start, and the feeding pipe 1 is closed by the baffle 405, so that the quality problem of the raw material is found in time, if the sample has no problem, the film blowing machine works normally, the non-stop sampling operation is realized, the quality of the raw material in the feeding pipe 1 is monitored in real time, the raw material entering the film blowing machine meets the production requirements, product defects caused by the raw material problem are avoided, and the production efficiency is ensured.

[0043] The above description is only a description of the preferred embodiment of the utility model, and does not limit the scope of the utility model, any change and modification of the utility model made by the ordinary skilled in the art according to the above disclosure is within the protection scope of the claims.

Claims

1. A sampling and testing device for the feed pipe of a sealed bag blown film machine, characterized in that, It includes a feeding pipe (1), a sampling mechanism (2) is provided in the middle of the outer surface of the feeding pipe (1), a feeding mechanism (3) is provided on the outer surface of the sampling mechanism (2), and a control mechanism (4) is provided on one side inside the feeding pipe (1). The sampling mechanism (2) includes a sampling tube (201) fixed on the lower surface of the feeding tube (1), a first bracket (202) fixedly connected to the middle of the upper surface of the feeding tube (1), a first motor (203) fixedly connected to the upper surface of the first bracket (202), a timing module (204) electrically connected to the outer surface of the first motor (203), a first rotating rod (205) fixedly connected to the output end of the first motor (203), and a spiral conveying blade (206) fixedly connected to the bottom of the outer surface of the first rotating rod (205).

2. The sampling and testing device for the feed pipe of a sealed bag blown film machine as described in claim 1, characterized in that, A sealing element (207) is fixedly connected to the inner side of the sampling tube (201) near the spiral conveying blade (206).

3. The sampling and testing device for the feed pipe of a sealed bag blown film machine as described in claim 1, characterized in that, A delivery tube (5) is installed at the bottom of the inner side of the sampling tube (201), and a rubber sleeve (501) is fixedly connected to the top of the outer surface of the delivery tube (5). A rubber barb (502) is fixedly connected to the outer surface of the rubber sleeve (501).

4. The sampling and testing device for the feed pipe of a sealed bag blown film machine as described in claim 1, characterized in that, The feeding mechanism (3) includes a connecting pipe (301) fixed on the outer surface of the sampling tube (201), an air inlet pipe (302) is inserted inside the connecting pipe (301), and an air pump (303) is fixedly connected to one end of the air inlet pipe (302).

5. The sampling and testing device for the feed pipe of a sealed bag blown film machine as described in claim 4, characterized in that, The lower surface of the air pump (303) is fixedly connected to an air extraction pipe (304), and a filter head (305) is sleeved on one end of the air extraction pipe (304).

6. The sampling and testing device for the feed pipe of a sealed bag blown film machine as described in claim 1, characterized in that, The control mechanism (4) includes a second bracket (401) fixed on the upper surface of the feed tube (1), a second motor (402) fixedly connected to the upper surface of the second bracket (401), and a microcontroller (403) electrically connected to the outer surface of the second motor (402). The microcontroller (403) is electrically connected to the sample inspection equipment.

7. The sampling and testing device for the feed pipe of a sealed bag blown film machine as described in claim 6, characterized in that, The output end of the second motor (402) is fixedly connected to a second rotating rod (404), and a baffle (405) is fixedly connected to the outer surface of the second rotating rod (404).

8. The sampling and testing device for the feed pipe of a sealed bag blown film machine as described in claim 7, characterized in that, A sealing ring (406) is fixedly connected to the inner side of the feed pipe (1) near the baffle (405).

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