Anti-blocking hot air circulation box

Abstract

The utility model discloses an anti-blocking hot air circulation box, which belongs to the technical field of epoxy resin processing, and comprises a working box, the working box is provided with a circulation cavity, the circulation cavity is communicated with a plurality of groups of sliding chutes A symmetrically arranged on the working box, the sliding chutes A are in sliding connection with a tray placing assembly, and the upper end of the working box is provided with a circulation assembly. A PLC is connected to the side end of the working box, a temperature sensor is arranged at the top end of the inner wall of the circulation cavity, the circulation assembly comprises a circulation air box connected to the working box, a circulation air cavity is formed in the circulation air box and communicates with two symmetrical sliding grooves B formed in the circulation air box, and the sliding grooves B are slidably connected with sliding blocks B; a filter screen is connected between the two sliding blocks B. The outer end of the circulating air bellow communicates with an air draft device, and the end, away from the air draft device, of the circulating air bellow communicates with an air pipe. According to the utility model, the filter screen which is used for a long time can be directly replaced, the hot air circulation efficiency is improved, and the drying efficiency of an epoxy resin plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of epoxy resin processing, in particular to an anti-blocking hot air circulation box. Background Art

[0002] The main component of epoxy resin is phenolic resin, which is a resin made by polycondensation of phenol and formaldehyde under catalyst conditions, neutralization, and water washing. In the production process of epoxy resin boards, the epoxy resin boards need to be dried after water washing and dust removal. The traditional drying method is generally to use a heat source to directly dry the epoxy resin boards. Although this can shorten the drying time, the epoxy resin boards are also easy to burn;

[0003] After searching, the Chinese patent number is CN215373216U, which includes a working box, a hot air drying unit and a hot air circulation unit; the working box: the interior of the working box is slidably connected with evenly distributed drying plates through a strip slider, the right side of the working box is provided with a shunt box, the left side of the working box is provided with an air collecting box, and the interiors of the shunt box and the air collecting box are both connected to the interior of the working box; the hot air drying unit: arranged on the upper surface of the working box, the hot air drying unit is connected to the shunt box; the hot air circulation unit: arranged on the left side of the air collecting box, the hot air circulation unit is connected to the hot air drying unit, the hot air circulation unit includes a negative pressure fan, a circulation box and a connecting pipe, the circulation box is arranged on the left side of the air collecting box, the hot air drying box used for the production of epoxy resin boards can recycle hot air, reduce the loss of heat energy, and also increase the speed of heating the air, but it is difficult to clean and replace the filter screen that has been filtered for a long time, which reduces the hot air circulation efficiency and increases energy consumption. For this reason, we propose a blocking-proof hot air circulation box. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-blocking hot air circulation box to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-blocking hot air circulation box, comprising a working box, the working box is provided with a circulation cavity, the circulation cavity is connected to a plurality of symmetrically arranged slide grooves A provided on the working box, the slide grooves A are slidably connected to a tray placement component, a circulation component is provided at the upper end of the working box, a PLC controller is connected to the side end of the working box, a temperature sensor is provided at the top of the inner wall of the circulation cavity, the circulation component comprises a circulation bellows connected to the working box, a circulation air cavity is provided in the circulation bellows, the circulation air cavity is connected to Two symmetrical slide grooves B are provided on the circulating bellows, and the slide grooves B are slidably connected with sliders B, and a filter is connected between the two sliders B. The outer end of the circulating bellows is connected with an exhaust device, and the end of the circulating bellows away from the exhaust device is connected with an air duct, and the air duct is connected with a passing bellows, and the passing bellows is connected to a working box, and a plurality of evenly distributed through holes are provided at one end of the working box near the passing bellows, and a through pipe is connected between the circulating bellows and the working box, and an electric heating wire is provided on the inner wall of the circulating air cavity, and the electric heating wire is provided at the end of the filter away from the exhaust device.

[0006] Preferably, the tray placement assembly includes a slider A slidably connected in a slide groove A, a tray body is connected between the sliders A, and a pull-out handle is connected to the front end of the tray body.

[0007] Preferably, the filter screen is slidably connected to the circulation chamber, and a lifting handle is connected to the upper end of the filter screen.

[0008] Preferably, a box door is hinged on one side of the working box, and a rotating handle is connected to the outer end of the box door.

[0009] Preferably, the size of the slider A is matched with the size of the slide groove A.

[0010] Preferably, the size of the slider B is matched with the size of the slide groove B.

[0011] Preferably, the PLC controller is electrically connected to the heating wire and the exhaust device.

[0012] Compared with the prior art, the utility model has the following beneficial effects: a working box, a circulation chamber, a box door, a slide groove A, a tray placement component, a circulation component, a through hole, a through tube, a PLC controller, a rotating handle and a temperature sensor are provided, and the utility model realizes the direct replacement of the filter screen used for a long time, improves the efficiency of hot air circulation, and improves the drying efficiency of the epoxy resin board. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the circulation component of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the tray placement component of the utility model.

[0017] In the figure: 1. working box; 2. circulation chamber; 3. box door; 4. slide groove A; 5. tray placement component; 501. slider A; 502. tray body; 503. pull-out handle; 6. circulation component; 601. circulation bellows; 602. circulation air chamber; 603. slide groove B; 604. slider B; 605. filter; 606. pull-up handle; 607. exhaust device; 608. air duct; 609, through the bellows; 610. heating wire; 7. through hole; 8. through tube; 9. PLC controller; 10. turning handle; 11. temperature sensor. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-4 The utility model provides a technical solution: an anti-blocking hot air circulation box, comprising a working box 1, a circulation chamber 2 is provided in the working box 1, the circulation chamber 2 is connected with a plurality of symmetrically arranged slide grooves A4 provided on the working box 1, the slide groove A4 is slidably connected with a tray placement component 5, a circulation component 6 is provided at the upper end of the working box 1, a PLC controller 9 is connected to the side end of the working box 1, a temperature sensor 11 is provided at the top of the inner wall of the circulation chamber 2, the circulation component 6 comprises a circulation air box 601 connected to the working box 1, a circulation air chamber 602 is provided in the circulation air box 601, and the circulation air chamber 602 is connected with two symmetrical slide grooves B60 provided on the circulation air box 601. 3. The slide groove B603 is slidably connected with a slider B604, a filter screen 605 is connected between the two sliders B604, the outer end of the circulating bellows 601 is connected with an exhaust device 607, the end of the circulating bellows 601 away from the exhaust device 607 is connected with an air duct 608, the air duct 608 is connected with a passing bellows 609, the passing bellows 609 is connected to the working box 1, a plurality of evenly distributed through holes 7 are opened at one end of the working box 1 close to the passing bellows 609, a through pipe 8 is connected between the circulating bellows 601 and the working box 1, and an electric heating wire 610 is arranged on the inner wall of the circulating air cavity 602, and the electric heating wire 610 is arranged on the end of the filter screen 605 away from the exhaust device 607.

[0020] Specifically, the tray placement component 5 includes a slider A501 slidably connected in the slide groove A4, a tray body 502 is connected between the sliders A501, and a pull-out handle 503 is connected to the front end of the tray body 502; the filter screen 605 is slidably connected to the circulation chamber 2, and a pull-out handle 606 is connected to the upper end of the filter screen 605; a box door 3 is hinged on one side of the working box 1, and a rotating handle 10 is connected to the outer end of the box door 3; the size of the slider A501 is matched with the size of the slide groove A4; the size of the slider B604 is matched with the size of the slide groove B603; the PLC controller 9 is electrically connected to the heating wire 610 and the exhaust device 607.

[0021] Working principle: When drying the epoxy resin board, the box door 3 can be opened by turning the handle 10, and then the tray body 502 can be pulled out by pulling the handle 503. At this time, the tray body 502 drives the two sliders A501 to slide in the slide groove A4, and then the epoxy resin board can be placed on the tray body 502. At this time, the exhaust device 607, the temperature sensor 11 and the heating wire 610 can be controlled by the PLC controller 9. At this time, the exhaust device 607 extracts the outside air, and the extracted air passes through the circulating bellows 601 and then is heated by the heating wire 610. At this time, the air passes through the air duct 608 and then passes through the bellows 609 to enter the circulation chamber 2. The utility model realizes the direct replacement of the filter 605 that has been used for a long time, improves the efficiency of hot air circulation, and improves the drying efficiency of the epoxy resin board.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blocking-proof hot air circulation box, comprising a working box (1), characterized in that: The working box (1) is provided with a circulation chamber (2), the circulation chamber (2) being connected to a plurality of symmetrically arranged slide grooves A (4) provided on the working box (1), the slide grooves A (4) being slidably connected to a tray placement component (5), a circulation component (6) being provided at the upper end of the working box (1), a PLC controller (9) being connected to the side end of the working box (1), a temperature sensor (11) being provided at the top end of the inner wall of the circulation chamber (2), the circulation component (6) comprising a circulation bellows (601) connected to the working box (1), a circulation air chamber (602) being provided in the circulation bellows (601), the circulation air chamber (602) being connected to two symmetrical slide grooves B (603) provided on the circulation bellows (601), the slide grooves B (603) being slidably connected to a slider B (604), a filter screen (605) is connected between the two sliders B (604), the outer end of the circulating bellows (601) is connected to an exhaust device (607), the end of the circulating bellows (601) away from the exhaust device (607) is connected to an air duct (608), the air duct (608) is connected to a passing bellows (609), the passing bellows (609) is connected to a working box (1), a plurality of evenly distributed through holes (7) are provided at one end of the working box (1) close to the passing bellows (609), a through pipe (8) is connected between the circulating bellows (601) and the working box (1), and an electric heating wire (610) is provided on the inner wall of the circulating air cavity (602), and the electric heating wire (610) is provided on the end of the filter screen (605) away from the exhaust device (607).

2. The anti-blocking hot air circulation box according to claim 1, characterized in that: The tray placement assembly (5) comprises a slider A (501) slidably connected in a slide groove A (4), a tray body (502) is connected between the sliders A (501), and a pull-out handle (503) is connected to the front end of the tray body (502).

3. The anti-blocking hot air circulation box according to claim 1, characterized in that: The filter screen (605) is slidably connected to the circulation chamber (2), and the upper end of the filter screen (605) is connected to a lifting handle (606).

4. The anti-blocking hot air circulation box according to claim 1, characterized in that: A box door (3) is hingedly connected to one side of the working box (1), and a rotating handle (10) is connected to the outer end of the box door (3).

5. The anti-blocking hot air circulation box according to claim 2, characterized in that: The size of the slider A (501) is matched with the size of the slide groove A (4).

6. The anti-blocking hot air circulation box according to claim 1, characterized in that: The size of the slider B (604) is matched with the size of the slide groove B (603).

7. The anti-blocking hot air circulation box according to claim 1, characterized in that: The PLC controller (9) is electrically connected to the heating wire (610) and the exhaust device (607).

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