Vacuum extraction device for hot melt adhesive production reaction kettle

Abstract

The utility model relates to the technical field of air extracting devices, and provides a vacuum extracting device for a hot melt adhesive production reaction kettle, which comprises a reaction kettle and a connecting pipe, a connecting pipe is arranged at the top end of the reaction kettle, an air exhaust seat is arranged above the connecting pipe, and a mounting structure is arranged on the outer wall of the bottom of the air exhaust seat. According to the air exhaust device, the filtering structure is arranged, so that the mounting plate slides towards the interior of the air exhaust seat through the sliding groove when the mounting sliding groove filters exhausted air, and then one side of the mounting plate extrudes the clamping block to move towards the interior of the built-in groove; when a clamping groove moves to one side of a clamping block, the clamping block is arranged in the clamping groove through the elastic force of a reset spring to clamp and position the mounting plate, and during dismounting, a pull rod is pulled to enable the clamping block to be arranged in a built-in groove to be away from the clamping groove, so that the mounting plate is conveniently pulled out; therefore, the purposes of conveniently filtering the extracted gas and conveniently maintaining the filter plate are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of air extraction devices, in particular to a vacuum extraction device for a hot melt adhesive production reaction kettle. Background Art

[0002] With the development of the times, people are using new materials more and more widely. In the process of bonding objects, adhesives have the characteristics of continuous stress distribution, light weight, or sealing, and most of the process temperatures are low, so they are favored by people, so they need to be mass-produced. In the process of their production, reactors are usually used for production and use. In order to meet the actual use needs of the reactor in the production process, the use of a vacuum device is indispensable.

[0003] However, it is difficult to conveniently filter the substances carried in the extracted gas during the use of the traditional device, so that the substances directly enter the interior of the vacuum pump and damage it, which has certain limitations in the actual production process. Utility Model Content

[0004] The utility model aims to provide a vacuum extraction device for a hot melt adhesive production reactor, so as to solve the defect that the existing vacuum extraction device for the reactor is not convenient for filtering substances carried in the extracted gas.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a vacuum extraction device for a hot melt adhesive production reactor, comprising a reactor and a connecting pipe;

[0006] A connecting pipe is provided at the top of the reactor, a vacuum seat is provided above the connecting pipe, and a mounting structure is provided on the outer wall of the bottom of the vacuum seat;

[0007] An air pump is installed at the top of the connecting pipe, and a filtering structure is provided on the outer wall of the connecting pipe;

[0008] The filtering structure includes a reserved groove, a slide groove, a mounting plate, a filter plate, a snap-in groove, a built-in groove, a snap-in block, a reset spring and a pull rod. The reserved groove is arranged on the outer wall of the vacuum seat, and the slide groove is evenly arranged on both sides of the inner wall of the connecting pipe. The interior of the slide groove is provided with a mounting plate, and a filter plate is installed on the inner wall of the mounting plate. Both ends of one side of the mounting plate are provided with snap-in grooves, and the interior of the vacuum seat on both sides of the reserved groove is provided with built-in grooves, and the interior of the built-in groove is provided with a snap-in block. A reset spring is fixed on one side of the snap-in block, and a pull rod is provided on one side of the snap-in block.

[0009] Preferably, the mounting structure includes a No. 1 flange, a No. 2 flange, mounting holes, bolts, convex nuts and concave nuts, the No. 1 flange is arranged on the outer wall of the bottom of the vacuum seat, the No. 2 flange is arranged on one side of the No. 1 flange, mounting holes are evenly opened inside the No. 1 flange and the No. 2 flange, bolts are arranged inside the mounting holes, convex nuts are arranged on the outer walls of the bolts, and concave nuts are arranged on one side of the convex nuts.

[0010] Preferably, the No. 2 flange is fixed on the outer wall of the top of the connecting pipe, and the mounting holes are distributed at equal intervals on the outer walls of the No. 1 flange and the No. 2 flange.

[0011] Preferably, the bolts form a threaded connection with the convex nuts and the concave nuts, and the No. 1 flange and the No. 2 flange are connected to each other by bolts.

[0012] Preferably, one side of the convex nut is arranged inside the concave nut, and the convex nut and the concave nut are clamped with each other.

[0013] Preferably, the reaction kettle and the mounting plate are slidably connected via a sliding groove, and the built-in grooves are symmetrically distributed on both sides of the reserved groove inside the exhaust seat.

[0014] Preferably, the pull rods are all extended to the outside of the exhaust seat, the clamping blocks are all arranged inside the clamping grooves, and the clamping blocks and the mounting plate form a clamping structure through the clamping grooves.

[0015] The vacuum extraction device for hot melt adhesive production reactor provided by the utility model has the following advantages:

[0016] By providing a filtering structure, when the installation slide groove is used to filter the extracted gas, the installation plate slides toward the inside of the exhaust seat through the slide groove, and then one side of the installation plate squeezes the clamping block to move toward the inside of the built-in groove. When the clamping groove moves to one side of the clamping block, the clamping block is clamped and positioned in the inside of the clamping groove through the elastic force of the return spring. When dismantling, the pull rod is pulled so that the clamping block is located in the inside of the built-in groove away from the clamping groove, thereby facilitating the removal of the installation plate, thereby achieving the purpose of filtering the extracted gas and facilitating the maintenance of the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0019] Figure 3 It is a partial side view cross-sectional three-dimensional structural schematic diagram of the utility model;

[0020] Figure 4 It is a partial cross-sectional three-dimensional structural schematic diagram of the utility model;

[0021] Figure 5 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0022] Explanation of the reference numerals in the figure: 1. Reactor; 2. Connecting pipe; 3. Vacuum seat; 4. Mounting structure; 401. Flange No. 1; 402. Flange No. 2; 403. Mounting hole; 404. Bolt; 405. Convex nut; 406. Concave nut; 5. Vacuum pump; 6. Filter structure; 601. Reserved groove; 602. Slide groove; 603. Mounting plate; 604. Filter plate; 605. Snap-in groove; 606. Built-in groove; 607. Snap-in block; 608. Reset spring; 609. Pull rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 The utility model provides a vacuum extraction device for a hot melt adhesive production reactor, which comprises a reactor 1 and a connecting pipe 2.

[0025] Reference Figure 1 and Figure 2As shown, a connecting pipe 2 is provided at the top of the reactor 1, an exhaust seat 3 is provided above the connecting pipe 2, a mounting structure 4 is provided on the outer wall of the bottom of the exhaust seat 3, the mounting structure 4 comprises a No. 1 flange 401, a No. 2 flange 402, mounting holes 403, bolts 404, convex nuts 405 and concave nuts 406, the No. 1 flange 401 is provided on the outer wall of the bottom of the exhaust seat 3, a No. 2 flange 402 is provided on one side of the No. 1 flange 401, mounting holes 403 are evenly provided inside the No. 1 flange 401 and the No. 2 flange 402, bolts 404 are provided inside the mounting holes 403 4. A convex nut 405 is provided on the outer wall of the bolt 404, and a concave nut 406 is provided on one side of the convex nut 405. The second flange 402 is fixed to the outer wall of the top of the connecting pipe 2. The mounting holes 403 are evenly spaced on the outer walls of the first flange 401 and the second flange 402. The bolt 404 forms a threaded connection with the convex nut 405 and the concave nut 406. The first flange 401 and the second flange 402 are connected to each other by raising the bolt 404. One side of the convex nut 405 is arranged inside the concave nut 406, and the convex nut 405 and the concave nut 406 are clamped with each other.

[0026] In the process of producing adhesive, a reactor 1 is usually used. During the production process, gas is generated. If it is not extracted, it may affect the overall processing effect and the service life of the reactor 1. Therefore, by setting it on the installation structure 4, the exhaust seat 3 is installed on the top of the reactor 1 through two sets of flanges, and it is installed using a convex nut 405 and a concave nut 406. The top of the convex nut 405 is set at the bottom of the concave nut 406, forming a latch structure, which makes it difficult to fall off due to factors such as vibration during use, thereby increasing the stability of the device.

[0027] Reference Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, an air pump 5 is installed at the top of the connecting pipe 2, and a filtering structure 6 is provided on the outer wall of the connecting pipe 2. The filtering structure 6 includes a reserved groove 601, a slide groove 602, a mounting plate 603, a filter plate 604, a clamping groove 605, a built-in groove 606, a clamping block 607, a reset spring 608 and a pull rod 609. The reserved groove 601 is provided on the outer wall of the air extraction seat 3, and the slide groove 602 is evenly provided on both sides of the inner wall of the connecting pipe 2. The inside of the slide groove 602 is provided with a mounting plate 603, and the filter plate 604 is installed on the inner wall of the mounting plate 603. The two ends of one side of the mounting plate 603 are provided with clamping grooves 605. Built-in grooves 606 are provided inside the vacuum seat 3 on both sides of the reserved groove 601, and clamping blocks 607 are provided inside the built-in grooves 606. A reset spring 608 is fixed on one side of the clamping block 607, and a pull rod 609 is provided on one side of the clamping block 607. The reactor 1 and the mounting plate 603 are slidably connected through the slide groove 602. The built-in grooves 606 are symmetrically distributed on both sides of the reserved groove 601 inside the vacuum seat 3, and the pull rods 609 extend to the outside of the vacuum seat 3. The clamping blocks 607 are arranged inside the clamping groove 605, and the clamping blocks 607 and the mounting plate 603 form a clamping structure through the clamping groove 605.

[0028] When using the vacuum pump 5 to extract the gas inside the reactor 1, some substances may be extracted, and directly entering the interior of the vacuum pump 5 may cause damage to the vacuum pump 5, thereby reducing its service life and increasing its cost of use. In addition, by providing a filtering structure 6, the device is convenient for filtering the extracted gas by installing the filter plate 604 to the interior of the mounting plate 603 and sliding it to the interior of the vacuum seat 3 through the slide groove 602. When the mounting plate 603 is slid to the interior of the vacuum seat 3, it is positioned by the snap-fit ​​structure formed by the snap-fit ​​groove 605 and the snap-fit ​​block 607, so that it is not easy to fall off during use, thereby increasing the practicality of the device.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vacuum extraction device for a hot melt adhesive production reactor, comprising a reactor (1) and a connecting pipe (2); Features: A connecting pipe (2) is provided at the top of the reaction kettle (1), a vacuum seat (3) is provided above the connecting pipe (2), and a mounting structure (4) is provided on the outer wall of the bottom of the vacuum seat (3); An air pump (5) is installed at the top of the connecting pipe (2), and a filtering structure (6) is provided on the outer wall of the connecting pipe (2); The filtering structure (6) comprises a reserved groove (601), a slide groove (602), a mounting plate (603), a filtering plate (604), a snap-fit ​​groove (605), a built-in groove (606), a snap-fit ​​block (607), a return spring (608) and a pull rod (609); the reserved groove (601) is provided on the outer wall of the air extraction seat (3); the slide groove (602) is evenly provided on both sides of the inner wall of the connecting pipe (2); and the interior of the slide groove (602) is provided with a mounting plate (603). A filter plate (604) is installed on the inner wall of the mounting plate (603), and snap-in grooves (605) are provided at both ends of one side of the mounting plate (603). Built-in grooves (606) are provided inside the vacuum seats (3) on both sides of the reserved groove (601), and snap-in blocks (607) are provided inside the built-in grooves (606). A reset spring (608) is fixed on one side of the snap-in block (607), and a pull rod (609) is provided on one side of the snap-in block (607).

2. The vacuum extraction device for hot melt adhesive production reactor according to claim 1, characterized in that: The mounting structure (4) comprises a No. 1 flange (401), a No. 2 flange (402), mounting holes (403), bolts (404), convex nuts (405) and concave nuts (406); the No. 1 flange (401) is arranged on the outer wall of the bottom of the exhaust seat (3); the No. 2 flange (402) is arranged on one side of the No. 1 flange (401); the No. 1 flange (401) and the No. 2 flange (402) are evenly provided with mounting holes (403) inside; the mounting holes (403) are each provided with bolts (404); the outer walls of the bolts (404) are each provided with convex nuts (405); and one side of the convex nuts (405) is each provided with concave nuts (406).

3. The vacuum extraction device for hot melt adhesive production reactor according to claim 2, characterized in that: The second flange (402) is fixed on the outer wall of the top of the connecting pipe (2), and the mounting holes (403) are distributed at equal intervals on the outer walls of the first flange (401) and the second flange (402).

4. The vacuum extraction device for hot melt adhesive production reactor according to claim 2, characterized in that: The bolt (404) is threadedly connected with the convex nut (405) and the concave nut (406), and the first flange (401) and the second flange (402) are connected to each other via the bolt (404).

5. The vacuum extraction device for hot melt adhesive production reactor according to claim 2, characterized in that: One side of the convex nut (405) is arranged inside the concave nut (406), and the convex nut (405) and the concave nut (406) are mutually clamped.

6. The vacuum extraction device for hot melt adhesive production reactor according to claim 1, characterized in that: The reaction kettle (1) and the mounting plate (603) are slidably connected via the sliding groove (602), and the built-in grooves (606) are symmetrically distributed on both sides of the reserved groove (601) inside the exhaust seat (3).

7. The vacuum extraction device for hot melt adhesive production reactor according to claim 1, characterized in that: The pull rods (609) all extend to the outside of the exhaust seat (3), the clamping blocks (607) are all arranged inside the clamping grooves (605), and the clamping blocks (607) and the mounting plate (603) form a clamping structure through the clamping grooves (605).

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