Hot melt adhesive sampling device

Abstract

The utility model relates to the technical field of hot melt adhesive production, and particularly discloses a hot melt adhesive sampling device which comprises a sampling barrel, a piston rod is installed in the sampling barrel, the upper end face of the piston rod is fixedly connected with a pulling plate located above a fixing frame, and the lower end face of the sampling barrel is communicated with a sampling pipe. Connecting plates are arranged on the left side and the right side of the interior of the sealing cylinder, scraping plates are mounted on the opposite sides of the two connecting plates, a pulling plate drives a piston rod to move upwards, then a glue solution in a reaction kettle can be sucked into a sampling pipe, and then the scraping plates scrape off the glue solution adhered to the outer wall of the sampling pipe; furthermore, the glue solution adhered to the outer wall of the sampling tube can be cleaned, the situation that the glue solution is solidified and adhered to the outer wall of the sampling tube to affect next use and glue solution detection is avoided, and after sampling is completed, the pulling plate can be limited and fixed to prevent the pulling plate from moving under the non-manual action to enable a glue solution sample taken in the sampling barrel to flow out.

Description

Technical Field

[0001] The utility model relates to the technical field of hot melt adhesive production, in particular to a hot melt adhesive sampling device. Background Art

[0002] The hot melt adhesive sampling device is used for sampling and testing hot melt adhesive to prevent unqualified hot melt adhesive from failing to set, causing water leakage and loose bonding. It is widely used in packaging, transportation, production technology, clothing and other industries.

[0003] When hot melt adhesive is produced and processed, the raw materials are first placed in a reactor for heating reaction, melted and refined, and then filtered through a filter device. The filtered fluid hot melt adhesive is then added to the extruder, and the adhesive strips extruded by the extruder enter the cooling water tank for cooling, and finally cut into strips by a cutting machine. In order to ensure the processing quality of the hot melt adhesive, the filtered fluid hot melt adhesive needs to be tested.

[0004] At present, during the sampling process of hot melt adhesive, the adhesive liquid is easy to adhere to the outer wall of the sampling tube. If it is not cleaned in time, the adhesive liquid detection will be affected. Moreover, after sampling, the adhesive liquid in the sampling tube is easy to flow out of the sampling tube again. Therefore, it is necessary to propose a hot melt adhesive sampling device to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a hot melt adhesive sampling device, which has the characteristics of scraping off the adhesive liquid adhered to the outer wall of the sampling tube, thereby realizing the cleaning of the adhesive liquid adhered to the outer wall of the sampling tube, and secondly, limiting and fixing the pull plate to prevent the pull plate from moving and causing the adhesive liquid sample taken in the sampling tube to flow out.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hot melt adhesive sampling device, comprising a fixed frame, a sampling cylinder is installed in the middle of the fixed frame, a piston rod is installed inside the sampling cylinder, the upper end surface of the piston rod is fixedly connected to a pull plate located above the fixed frame, the lower end surface of the sampling cylinder is connected to a sampling tube, the lower end surface of the sampling cylinder is installed with a support plate, the lower end surface of the support plate is threadedly connected with a sealing cylinder sleeved on the outside of the sampling tube, the left and right sides of the sealing cylinder are provided with connecting plates, and the opposite sides of the two connecting plates are provided with scrapers;

[0007] Limiting grooves are provided on both sides of the pull plate, and sliding grooves are provided on both sides of the upper end surface of the fixed frame. The insides of the two sliding grooves are rotatably connected with screws, and the outer walls of the two screws are threadedly connected with limiting plates that are slidably connected to the bottom ends of the inner parts of the sliding grooves, and the two limiting plates match the limiting grooves.

[0008] In order to make the scraper contact the sampling tube to scrape the glue, as a preferred hot melt adhesive sampling device of the utility model, two groups of electromagnetic plates distributed up and down and attracted to each other are installed between the opposite sides of the two connecting plates and the inner wall of the sealing tube.

[0009] In order to take out the receiving tray and process the glue liquid inside it, as a preferred hot melt adhesive sampling device of the utility model, the inner wall of the lower end surface of the sealing cylinder is threadedly connected with a sealing cover, and the upper end surface of the sealing cover is fixedly connected with the receiving tray located inside the sealing cylinder.

[0010] In order to facilitate scraping off the glue adhering to the outer wall of the sampling tube, as a preferred hot melt adhesive sampling device of the utility model, three telescopic parts located between the electromagnetic plates are installed between the opposite sides of the two connecting plates and the inner wall of the sealing tube.

[0011] In order to support the entire device, as a preferred hot melt adhesive sampling device of the utility model, the lower end surface of the fixing frame is fixedly connected with three support columns, and the opposite sides of the two screws are fixedly connected with a rotating plate located on the outside of the fixing frame.

[0012] In order to control the normal operation of the electromagnetic plate, as a preferred hot melt adhesive sampling device of the utility model, a control panel is installed on the left side of the front end surface of the fixing frame, and the electromagnetic plate is electrically connected to the control panel.

[0013] In order to check the sampling situation, as a preferred hot melt adhesive sampling device of the utility model, the sampling tube and the sealing tube are both transparent structures.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model firstly enables the pulling plate to drive the piston rod to move upward, so that the glue liquid in the reaction kettle can be sucked into the sampling tube and collected in the sampling tube; secondly, the scraper is brought into contact with the sampling tube, so that the scraper can scrape off the glue liquid adhered to the outer wall of the sampling tube, thereby realizing the cleaning of the glue liquid adhered to the outer wall of the sampling tube, avoiding the glue liquid solidifying and adhering to the outer wall of the sampling tube, affecting the next use and affecting the glue liquid detection; when the sampling is completed, the two limit plates are moved and enter the limit groove, so that the pulling plate can be limited and fixed, avoiding the displacement of the pulling plate under non-human force, and allowing the glue liquid sample taken in the sampling tube to flow out. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall structure diagram of the utility model;

[0017] Figure 2 This is a three-dimensional structural diagram of the sealing cylinder of the utility model;

[0018] Figure 3 For the utility model Figure 1 Enlarged view of point A.

[0019] In the figure: 1. fixed frame; 101. support column; 2. sampling cylinder; 201. piston rod; 202. pull plate; 203. limit groove; 204. sampling tube; 3. rotating plate; 301. slide groove; 302. screw rod; 303. limit plate; 4. supporting plate; 401. sealing cylinder; 402. sealing cover; 403. receiving plate; 5. connecting plate; 501. scraper; 502. electromagnetic plate; 503. telescopic part. DETAILED DESCRIPTION

[0020] See also Figures 1 to 3 A hot melt adhesive sampling device comprises a fixing frame 1, a sampling cylinder 2 is installed in the middle of the fixing frame 1, a piston rod 201 is installed inside the sampling cylinder 2, the upper end surface of the piston rod 201 is fixedly connected with a pull plate 202 located above the fixing frame 1, the lower end surface of the sampling cylinder 2 is connected with a sampling tube 204, a supporting plate 4 is installed on the lower end surface of the sampling cylinder 2, a sealing cylinder 401 sleeved on the outer side of the sampling tube 204 is threadedly connected to the lower end surface of the supporting plate 4, and connecting plates 5 are arranged on the left and right sides of the sealing cylinder 401, and scrapers 501 are installed on the opposite sides of the two connecting plates 5;

[0021] Limiting grooves 203 are provided on both sides of the pull plate 202, and sliding grooves 301 are provided on both sides of the upper end surface of the fixed frame 1. The insides of the two sliding grooves 301 are rotatably connected with screws 302, and the outer walls of the two screws 302 are threadedly connected with limiting plates 303 that are slidably connected to the bottom ends of the inner sides of the sliding grooves 301, and the two limiting plates 303 match the limiting grooves 203.

[0022] In this embodiment: when sampling, the entire device is placed on the reactor, so that the sampling tube 204 is located inside the reactor, and then the pull plate 202 is pulled upward, so that the pull plate 202 drives the piston rod 201 to move upward, so that the glue in the reactor can be sucked into the sampling tube 204 and collected in the sampling tube 204. Next, the entire device is removed from the reactor, and the sealing cylinder 401 is sleeved on the outside of the support plate 4, and the electromagnetic plate 502 is disconnected at the same time, so that the scraper 501 can contact the sampling tube 204, and because the scraper 501 is an arc-shaped structure, the scraper 501 can fit the sampling tube 204, and the sealing cylinder 401 is spirally rotated to make the sealing The cylinder 401 is threadedly connected to the support plate 4, and in the process of spirally installing the sealing cylinder 401, the scraper 501 can scrape off the glue adhering to the outer wall of the sampling tube 204 and drop it into the receiving plate 403 for collection, thereby realizing the cleaning of the glue adhering to the outer wall of the sampling tube 204, avoiding the glue solidifying and adhering to the outer wall of the sampling tube 204, affecting the next use and affecting the glue detection. When the sampling is completed, the screw 302 is rotated to move the two limit plates 303 and enter the limit groove 203, thereby limiting and fixing the pull plate 202, avoiding the pull plate 202 from moving under non-human force, and allowing the glue sample taken in the sampling cylinder 2 to flow out.

[0023] As a technical optimization solution of the utility model, two groups of electromagnetic plates 502 that are distributed up and down and attract each other are installed between the opposite sides of the two connecting plates 5 and the inner wall of the sealing cylinder 401.

[0024] In this embodiment: multiple groups of electromagnetic plates 502 are attracted to each other, so that the connecting plate 5 and the scraper 501 can contact with the sampling tube 204, and the scraper 501 can contact with the sampling tube 204 to scrape the glue.

[0025] As a technical optimization solution of the utility model, the inner wall of the lower end surface of the sealing cylinder 401 is threadedly connected with a sealing cover 402 , and the upper end surface of the sealing cover 402 is fixedly connected with a receiving plate 403 located inside the sealing cylinder 401 .

[0026] In this embodiment, the sealing cover 402 is rotated to separate the sealing cover 402 from the supporting plate 4, and then the receiving plate 403 can be taken out to process the glue liquid inside.

[0027] As a technical optimization solution of the present invention, three telescopic members 503 located between the electromagnetic plates 502 are installed between the opposite sides of the two connecting plates 5 and the inner wall of the sealing cylinder 401 .

[0028] In this embodiment, the scraper 501 can be brought into contact with the sampling tube 204 through the telescopic member 503 , so as to facilitate scraping off the glue adhering to the outer wall of the sampling tube 204 .

[0029] As a technical optimization solution of the utility model, three support columns 101 are fixedly connected to the lower end surface of the fixing frame 1, and the opposite sides of the two screw rods 302 are fixedly connected to the rotating plate 3 located outside the fixing frame 1.

[0030] In this embodiment: the entire device can be supported by the support column 101, and the screw rod 302 can be rotated by the rotating plate 3.

[0031] As a technical optimization solution of the present invention, a control panel is installed on the left side of the front end surface of the fixing frame 1, and the electromagnetic plate 502 is electrically connected to the control panel.

[0032] In this embodiment: the electromagnetic plate 502 can be controlled to work normally through the control panel.

[0033] As a technical optimization solution of the present invention, the sampling tube 2 and the sealing tube 401 are both transparent structures.

[0034] In this embodiment, the sampling tube 2 and the sealing tube 401 are both transparent structures, so that the sampling situation can be easily checked.

[0035] Working principle: First, when sampling, place the entire device on the reactor, so that the sampling tube 204 is located inside the reactor, then pull the pull plate 202 upward, so that the pull plate 202 drives the piston rod 201 to move upward, so that the glue in the reactor can be sucked into the sampling tube 204 and collected in the sampling tube 204, then move the entire device away from the reactor, and put the sealing cylinder 401 on the outside of the support plate 4, and disconnect the electromagnetic plate 502 at the same time, so that the scraper 501 can contact with the sampling tube 204, and because the scraper 501 is an arc-shaped structure, the scraper 501 can fit with the sampling tube 204, and the sealing cylinder 401 is spirally rotated to make the seal The cylinder 401 is threadedly connected to the support plate 4, and in the process of spirally installing the sealing cylinder 401, the scraper 501 can scrape off the glue adhering to the outer wall of the sampling tube 204 and drop it into the receiving plate 403 for collection, thereby realizing the cleaning of the glue adhering to the outer wall of the sampling tube 204, avoiding the glue solidifying and adhering to the outer wall of the sampling tube 204, affecting the next use and affecting the glue detection. When the sampling is completed, the screw 302 is rotated to move the two limit plates 303 and enter the limit groove 203, thereby limiting and fixing the pull plate 202, avoiding the pull plate 202 from moving under non-human force, and allowing the glue sample taken in the sampling cylinder 2 to flow out.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hot melt adhesive sampling device, comprising a fixing frame (1), characterized in that: A sampling cylinder (2) is installed in the middle of the fixed frame (1), a piston rod (201) is installed inside the sampling cylinder (2), the upper end surface of the piston rod (201) is fixedly connected to a pull plate (202) located above the fixed frame (1), the lower end surface of the sampling cylinder (2) is connected to a sampling tube (204), the lower end surface of the sampling cylinder (2) is installed with a support plate (4), the lower end surface of the support plate (4) is threadedly connected to a sealing cylinder (401) sleeved on the outside of the sampling tube (204), the left and right sides of the sealing cylinder (401) are both provided with connecting plates (5), and the opposite sides of the two connecting plates (5) are both provided with scrapers (501); The pull plate (202) is provided with a limit groove (203) on both sides, and the upper end surface of the fixed frame (1) is provided with a slide groove (301) on both sides. The insides of the two slide grooves (301) are rotatably connected with screw rods (302). The outer walls of the two screw rods (302) are threadedly connected with a limit plate (303) that is slidably connected to the bottom end of the slide groove (301). The two limit plates (303) match the limit groove (203).

2. A hot melt adhesive sampling device according to claim 1, characterized in that: Two groups of electromagnetic plates (502) that are distributed up and down and attract each other are installed between the opposite sides of the two connecting plates (5) and the inner wall of the sealing cylinder (401).

3. A hot melt adhesive sampling device according to claim 1, characterized in that: The inner wall of the lower end surface of the sealing cylinder (401) is threadedly connected to a sealing cover (402), and the upper end surface of the sealing cover (402) is fixedly connected to a receiving plate (403) located inside the sealing cylinder (401).

4. A hot melt adhesive sampling device according to claim 1, characterized in that: Three telescopic parts (503) located between the electromagnetic plates (502) are installed between the opposite sides of the two connecting plates (5) and the inner wall of the sealing cylinder (401).

5. A hot melt adhesive sampling device according to claim 1, characterized in that: The lower end surface of the fixing frame (1) is fixedly connected to three support columns (101), and the opposite sides of the two screw rods (302) are fixedly connected to a rotating plate (3) located outside the fixing frame (1).

6. A hot melt adhesive sampling device according to claim 2, characterized in that: A control panel is installed on the left side of the front end surface of the fixing frame (1), and the electromagnetic plate (502) is electrically connected to the control panel.

7. A hot melt adhesive sampling device according to claim 1, characterized in that: The sampling cylinder (2) and the sealing cylinder (401) are both transparent structures.

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