Foaming furnace for PVC foamed floor production

Abstract

The utility model discloses a foaming furnace for PVC (polyvinyl chloride) foaming floor production, which comprises a furnace body, a protection box I is arranged on the upper end surface of the furnace body, and a heating component is arranged in the protection box I; the heating assembly comprises a first fan and a heating box. Gas in the furnace body is conveyed into the heating box through the air suction opening, the first air suction pipe and the first connecting pipe, and the gas is conveyed back into the furnace body through the first air outlet pipe and the air outlet after being heated by the heating box, so that circulation is formed, and the interior of the furnace body is heated; and the second draught fan conveys gas in the furnace body into the filter box through the second air suction pipe and the second connecting pipe, the filter box adsorbs and filters waste gas particles in the air, the waste gas particles are exhausted through the exhaust pipe, and emission pollution is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of foam floor production equipment, in particular to a foaming furnace for producing PVC foam floor. Background Art

[0002] The foaming furnace is a common industrial equipment, mainly used to manufacture foam plastic products. Its working principle is to heat the raw materials to a molten state, expand them by injecting gas, and finally form foam plastic products. The main components of the foaming furnace include a heating system, a gas injection system, a control system and a mold. The heating system usually uses electric heating or gas heating to heat the raw materials to a molten state. The gas injection system injects gas into the molten raw materials through a nozzle to expand them. The control system is used to control parameters such as heating temperature, gas injection volume and time to ensure the quality and production efficiency of the products.

[0003] The existing foaming furnace for producing PVC foam floor heats the air outside the furnace body and then transports the hot air into the furnace body, thereby foaming the floor. However, this heating efficiency is slow, and the impurities contained in the air outside the furnace body will have a certain impact on the PVC foam floor, reducing the quality of the finished product. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a foaming furnace for producing PVC foam flooring. By arranging a fan and a heating box, the gas inside the furnace body is circulated and heated, thereby improving the heating efficiency, avoiding the influence of impurities in the outside air on the production of PVC foam flooring, ensuring the production quality, and solving the technical problems of slow heating efficiency and air impurities affecting the quality of finished products.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foaming furnace for producing PVC foam floor, comprising a furnace body, the four corners of the lower end surface of the furnace body are fixedly provided with support legs, the upper end surface of the furnace body is fixedly provided with a protection box 1, and a heating component is arranged inside the protection box 1.

[0006] The heating component includes a fan 1 and a heating box. A fan 1 and a heating box are fixedly arranged at the bottom of the protection box. The fan 1 is located on the left side of the heating box. A suction pipe 1 is fixedly arranged at the suction end of the fan 1. A solenoid valve 1 is installed inside the suction pipe 1. The other end of the suction pipe 1 is installed on the left side of the furnace body. Three suction ports are provided at the other end of the suction pipe 1. A connecting pipe 1 is fixedly arranged at the air outlet end of the fan 1. The other end of the connecting pipe 1 is fixedly arranged at the air inlet end of the heating box. An outlet pipe 1 is fixedly arranged at the air outlet end of the heating box. A solenoid valve 2 is installed inside the outlet pipe 1. The other end of the outlet pipe 1 is installed on the right side of the furnace body. Three outlet ports are provided at the other end of the outlet pipe 1.

[0007] As a preferred solution of the utility model, a temperature sensor is installed on the top of the furnace body.

[0008] As a preferred solution of the utility model, filter screens are fixedly installed on the left and right sides of the furnace body, three placement plates are arranged between the filter screens on both sides, support rods are fixedly installed at the four corners of the lower end surfaces of the placement plates, the other ends of the first two layers of support rods from top to bottom are fixedly installed on the upper end surface of the next layer of placement plates, the other end of the third layer of support rods is fixedly installed on the bottom of the furnace body, and the upper end surface of the placement plates is provided with PVC foam floor blanks.

[0009] As a preferred solution of the utility model, a second protection box is fixedly provided on the right side of the furnace body, a partition is fixedly provided inside the second protection box, and a filter assembly is provided at the bottom inside the second protection box.

[0010] As a further scheme of the utility model, the filtering component includes a fan 2 and a filter box. The fan 2 is fixedly arranged at the bottom of the protection box 2, and a suction pipe 2 is fixedly arranged at the suction end of the fan 2. The other end of the suction pipe 2 is installed at the lower end of the furnace body. Two branches are opened at the other end of the suction pipe 2. Solenoid valve 3 is installed inside the two branches at the other end of the suction pipe 2. The two branches at the other end of the suction pipe 2 are respectively opened on the left and right sides of the bottom of the furnace body, and the two branches at the other end of the suction pipe 2 are respectively located on the outside of the filters on both sides. A connecting pipe 2 is fixedly arranged at the outlet end of the fan 2, and a filter box is fixedly arranged on the upper end surface of the partition. The other end of the connecting pipe 2 is fixedly arranged at the air inlet end of the filter box, and an exhaust pipe is fixedly arranged at the outlet end of the filter box, and the other end of the exhaust pipe is opened on the right side of the protection box 2.

[0011] Connecting pipe 2 connects fan 2 and filter box. Multiple air inlets are provided on the rear side of the furnace body. Solenoid valves are installed inside the air inlets. When the gas is discharged and filtered, the solenoid valve can be opened to form a circulation with fan 2, thereby filtering the air.

[0012] As a preferred solution of the utility model, three air inlets are provided on the back of the furnace body, four solenoid valves are installed inside the air inlets, a sealed door is provided on the front of the furnace body, and an observation window is provided on the front of the sealed door.

[0013] Compared with the prior art, the foaming furnace for producing PVC foam floor provided by the utility model has the following beneficial effects:

[0014] In the utility model, the first blower transports the gas inside the furnace body through the air suction port, the first suction pipe and the first connecting pipe to the interior of the heating box. After the gas is heated by the heating box, it is transported back to the interior of the furnace body through the first air outlet pipe and the air outlet, thereby forming a circulation, so that the interior of the furnace body can be heated; the second blower transports the gas inside the furnace body through the second suction pipe and the second connecting pipe to the interior of the filter box. The filter box adsorbs and filters the exhaust gas particles in the air, and finally discharges them through the exhaust pipe, thereby avoiding air pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only examples of the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of an embodiment of the utility model;

[0018] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 for Figure 2 Enlarged structural diagram at B in the middle.

[0020] Figure numerals: 1. furnace body; 2. protection box 1; 3. fan 1; 4. suction pipe 1; 5. solenoid valve 1; 6. suction port; 7. connecting pipe 1; 8. heating box; 9. outlet pipe 1; 10. solenoid valve 2; 11. outlet; 12. temperature sensor; 13. filter; 14. support rod; 15. placement plate; 16. PVC foam floor blank; 17. support leg; 18. protection box 2; 19. partition; 20. fan 2; 21. suction pipe 2; 22. solenoid valve 3; 23. connecting pipe 2; 24. filter box; 25. exhaust pipe; 26. sealing door; 27. observation window; 28. heating component; 29. ​​filter component; 30. air inlet; 31. solenoid valve 4. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the embodiments of the present invention are further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0022] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the embodiments of the present invention.

[0023] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-3 As shown, the embodiment of the utility model is a foaming furnace for producing PVC foam floor, including a furnace body 1, support legs 17 are fixedly arranged at the four corners of the lower end surface of the furnace body 1, a protection box 2 is fixedly arranged on the upper end surface of the furnace body 1, and a heating component 28 is arranged inside the protection box 2.

[0025] The heating assembly 28 includes a fan 3 and a heating box 8. The fan 3 and the heating box 8 are fixedly arranged at the bottom of the protection box 2. The fan 3 is located on the left side of the heating box 8. The suction end of the fan 3 is fixedly arranged with a suction pipe 4, and a solenoid valve 5 is installed inside the suction pipe 4. The other end of the suction pipe 4 is installed on the left side of the furnace body 1, and three suction ports 6 are opened at the other end of the suction pipe 4. The air outlet end of the fan 3 is fixedly arranged with a connecting pipe 7, and the other end of the connecting pipe 7 is fixedly arranged at the air inlet end of the heating box 8. The air outlet end of the heating box 8 is fixedly arranged with an outlet pipe 9, and a solenoid valve 10 is installed inside the outlet pipe 9. The other end of the outlet pipe 9 is installed on the right side of the furnace body 1, and three air outlets 11 are opened at the other end of the outlet pipe 9.

[0026] A temperature sensor 12 is installed on the top of the furnace body 1 to monitor and control the temperature inside the furnace body 1 .

[0027] Filters 13 are fixedly arranged on both the left and right sides of the furnace body 1, three placement plates 15 are arranged between the filter plates 13 on both sides, support rods 14 are fixedly arranged at the four corners of the lower end surface of the placement plates 15, the other ends of the first two layers of support rods 14 from top to bottom are fixedly arranged on the upper end surface of the next layer of placement plates 15, the other end of the third layer of support rods 14 is fixedly arranged at the bottom of the furnace body 1, and the upper end surface of the placement plates 15 is arranged with PVC foam floor blanks 16. The arrangement of the support rods 14 can support the placement plates 15, and the arrangement of the placement plates 15 facilitates the placement of the PVC foam floor blanks 16.

[0028] A second protection box 18 is fixedly arranged on the right side of the furnace body 1, a partition 19 is fixedly arranged inside the second protection box 18, and a filter assembly 29 is arranged at the bottom inside the second protection box 18. The setting of the second protection box 18 can play a role in installation and protection of internal components, and the setting of the partition 19 facilitates the installation of subsequent components.

[0029] like Figure 1-2 , Figure 4 As shown, the filter assembly 29 includes a fan 20 and a filter box 24. The fan 20 is fixedly arranged at the bottom of the protection box 18. The suction end of the fan 20 is fixedly arranged with a suction pipe 21. The other end of the suction pipe 21 is installed at the lower end of the furnace body 1. The other end of the suction pipe 21 is provided with two branches. The two branches at the other end of the suction pipe 21 are provided with a solenoid valve 3 22. The two branches at the other end of the suction pipe 21 are respectively provided on the left and right sides of the bottom of the furnace body 1. The two branches at the other end of the suction pipe 21 are respectively located on the outside of the filter screens 13 on both sides. The outlet end of the fan 20 is fixedly arranged with a connecting pipe 23. The upper end surface of the partition 19 is fixedly arranged with a filter box 24. The other end of the connecting pipe 23 is fixedly arranged at the air inlet end of the filter box 24. The outlet end of the filter box 24 is fixedly arranged with an exhaust pipe 25. The other end of the exhaust pipe 25 is provided on the right side of the protection box 18. Open the solenoid valve 3 22, start the fan 20 to transport the gas inside the furnace body 1 to the inside of the filter box 24 through the suction pipe 21 and the connecting pipe 23. The filter box 24 adsorbs and filters the exhaust gas particles in the air, and finally discharges them through the exhaust pipe 25, thereby avoiding air pollution.

[0030] The back of the furnace body 1 is provided with three air inlets 30, and electromagnetic valves 31 are installed inside the air inlets 30. A sealing door 26 is provided on the front of the furnace body 1, and an observation window 27 is provided on the front of the sealing door 26. A filter is installed inside the air inlet 30 to filter the outside air, and the observation window 27 is provided to facilitate the operator to observe the inside of the furnace body 1.

[0031] When in use, the operator first opens the sealing door 26, then places the PVC foam floor blank 16 on the placement plate 15, closes the sealing door 26, opens the solenoid valve 15 and the solenoid valve 2 10, and starts the fan 3. The fan 3 can transport the gas inside the furnace body 1 to the interior of the heating box 8 through the suction port 6, the suction pipe 4, and the connecting pipe 7. After being heated by the heating box 8, the gas is transported back to the interior of the furnace body 1 through the outlet pipe 9 and the outlet 11, thereby forming a circulation, so that the interior of the furnace body 1 can be heated, and the PVC foam floor blank 16 can be foamed.

[0032] After the foaming is completed, the operator closes the solenoid valve 1 5 and the solenoid valve 2 10, opens the solenoid valve 3 22, starts the fan 2 20 first, and then opens the solenoid valve 4 31, so that the external gas can enter the furnace body 1 through the filter screen and the air inlet 30, and the fan 2 20 can transport the gas inside the furnace body 1 through the suction pipe 2 21 and the connecting pipe 2 23 to the filter box 24, and the filter box 24 adsorbs and filters the waste gas particles in the air, and finally discharges them through the exhaust pipe 25, so as to avoid air pollution; after completing the production process, the sealing door 26 can be opened to take out the product.

[0033] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A foaming furnace for producing PVC foam floor, comprising a furnace body (1), characterized in that: Support legs (17) are fixedly arranged at the four corners of the lower end surface of the furnace body (1), a protection box (2) is fixedly arranged on the upper end surface of the furnace body (1), and a heating component (28) is arranged inside the protection box (2); The heating assembly (28) comprises a fan (3) and a heating box (8). The fan (3) and the heating box (8) are fixedly arranged at the bottom of the protection box (2). The fan (3) is located on the left side of the heating box (8). A suction pipe (4) is fixedly arranged at the suction end of the fan (3). A solenoid valve (5) is installed inside the suction pipe (4). The other end of the suction pipe (4) is installed on the left side of the furnace body (1). The other end of the suction pipe (4) is Three air suction ports (6) are provided, a connecting pipe (7) is fixedly provided at the air outlet end of the fan (3), the other end of the connecting pipe (7) is fixedly provided at the air inlet end of the heating box (8), an air outlet pipe (9) is fixedly provided at the air outlet end of the heating box (8), a solenoid valve (10) is installed inside the air outlet pipe (9), the other end of the air outlet pipe (9) is installed on the right side inside the furnace body (1), and three air outlet ports (11) are provided at the other end of the air outlet pipe (9).

2. The foaming furnace for producing PVC foam floor according to claim 1, characterized in that: A temperature sensor (12) is installed on the top of the furnace body (1).

3. The foaming furnace for producing PVC foam floor according to claim 1, characterized in that: Filters (13) are fixedly arranged on both left and right sides of the furnace body (1), three placement plates (15) are arranged between the filter screens (13) on both sides, and support rods (14) are fixedly arranged at the four corners of the lower end surfaces of the placement plates (15). From top to bottom, the other ends of the support rods (14) of the first two layers are fixedly arranged on the upper end surface of the placement plates (15) of the next layer, and the other ends of the support rods (14) of the third layer are fixedly arranged on the bottom of the furnace body (1), and the upper end surfaces of the placement plates (15) are provided with PVC foam floor blanks (16).

4. The foaming furnace for producing PVC foam floor according to claim 1, characterized in that: A second protection box (18) is fixedly arranged on the right side of the furnace body (1), a partition (19) is fixedly arranged inside the second protection box (18), and a filter assembly (29) is arranged at the bottom inside the second protection box (18).

5. The foaming furnace for producing PVC foam floor according to claim 4, characterized in that: The filtering assembly (29) comprises a second fan (20) and a filtering box (24); the second fan (20) is fixedly arranged at the bottom of the interior of the second protection box (18); a second suction pipe (21) is fixedly arranged at the air suction end of the second fan (20); the other end of the second suction pipe (21) is installed at the lower end of the furnace body (1); the other end of the second suction pipe (21) is provided with two branches; the two branches at the other end of the second suction pipe (21) are provided with a solenoid valve (22) inside; the two branches at the other end of the second suction pipe (21) are provided with a second solenoid valve (22) respectively; On the left and right sides of the bottom of the furnace body (1), two branches at the other end of the second air suction pipe (21) are respectively located outside the filter screens (13) on both sides, the air outlet end of the second fan (20) is fixedly provided with a second connecting pipe (23), the upper end surface of the partition (19) is fixedly provided with a filter box (24), the other end of the second connecting pipe (23) is fixedly provided at the air inlet end of the filter box (24), the air outlet end of the filter box (24) is fixedly provided with an exhaust pipe (25), and the other end of the exhaust pipe (25) is opened on the right side of the second protection box (18).

6. The foaming furnace for producing PVC foam floor according to claim 1, characterized in that: The back of the furnace body (1) is provided with three air inlets (30), and four solenoid valves (31) are installed inside the air inlets (30). The front of the furnace body (1) is provided with a sealing door (26), and the front of the sealing door (26) is provided with an observation window (27).

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