Efficient cyclic heating device of curing oven

Abstract

The utility model discloses an efficient cyclic heating device of a curing oven, which comprises the curing oven, cyclic heating devices are arranged at the front end and the rear end in the curing oven, and a dust collection unit is fixedly arranged on the outer wall of one side of the curing oven. The circulating heating device is installed, the blowing assembly can blow hot air blown out by the air heater into the furnace to heat objects in the furnace, and the blowing pipe and the blowing hole are arranged on the bottom side in the furnace, so that the hot air spreads from bottom to top, the contact time of the hot air and the objects is prolonged, and the object curing efficiency is improved; in addition, a recycling assembly can absorb gas spreading to the upper portion in the furnace and return the gas to the air heater again to be heated, so that hot air is efficiently recycled, a dust collection unit is installed, dust and impurities in the furnace are sucked into a box body from a dust collection pipe through an air pump, the gas spreads upwards and is discharged from a circular filter screen, and the dust collection unit is used for collecting dust and impurities in the furnace. And the filtered impurities fall into the collecting frame.

Description

Technical Field

[0001] The utility model relates to the technical field of curing furnace heating, in particular to a high-efficiency circulation heating device for a curing furnace. Background Art

[0002] A curing oven refers to a production process used in the electronics industry and other industries to heat components, cure resins, and dry them in order to enhance the stress of material bonding. The container for curing is the curing oven, which generally uses hot air circulation heating, which is a common heating method. The air is heated by a hot fan and sent into the curing oven to achieve a heating effect.

[0003] Traditional curing furnaces are not equipped with circulation devices when in use, which causes a lot of heat waste. In addition, the air inlet of some heating devices is set at the top of the furnace. Since the gas gradually spreads upward, the heating effect of the hot air on the object is poor. In addition, due to the long-term heating of the curing furnace, a large amount of dust and impurities are carried and accumulated in the furnace by the objects, affecting the use of the furnace. Utility Model Content

[0004] The purpose of the utility model is to provide a high-efficiency circulating heating device for a curing furnace to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the utility model provides the following technical solutions: a high-efficiency circulation heating device for a curing furnace, comprising a curing furnace, wherein the front and rear ends of the curing furnace are both equipped with circulation heating devices, and a dust collection unit is fixedly installed on the outer wall of one side of the curing furnace.

[0006] The circulating heating device comprises a hot air blower, which is arranged at the front and rear ends of the rectangular slot above the curing furnace. A blowing component is fixedly installed at the air outlet of the hot air blower, and a recovery component is fixedly installed at the air inlet of the hot air blower.

[0007] The dust suction unit comprises a dust suction pipe, one end of which is connected to a through hole on the upper outer wall of the curing furnace, an air pump is arranged on the dust suction pipe, and a filter assembly is installed at the other end of the dust suction pipe.

[0008] As a further preferred embodiment of the present technical solution, the curing furnace comprises a furnace shell, and furnace doors are provided at the left and right ends of the front side of the furnace shell through hinges, and a control component is installed on an outer wall of one side of the furnace shell.

[0009] As a further preferred embodiment of the technical solution, a guide rail frame is fixedly connected to the bottom side groove inside the furnace shell, and a storage plate is slidably connected to the guide rail frame via a pulley, and through holes are arranged on the storage plate.

[0010] In the above technical solution, the bottom side of the object placed on the storage plate can be heated through the through hole.

[0011] As a further preferred embodiment of the present technical solution, interception nets are embedded in the rectangular grooves on the top side of the furnace shell, and the interception nets are located above the hot air blower.

[0012] In the above technical solution, the interception net is set to intercept external impurities to prevent them from entering the rectangular groove and affecting the hot air blower.

[0013] As a further preferred embodiment of the present technical solution, the blowing assembly includes a diverter pipe 1, which is fixedly connected to the left and right outer walls of the air outlet duct on the bottom side of the hot blower, and the other end of the diverter pipe 1 is fixedly connected to a diverter pipe 2, which is arranged at the through hole on the inner wall of the furnace shell, and a blowing pipe is fixedly connected between the left and right diverter pipes 2, which is arranged on the bottom side inside the furnace shell, and the outer wall of the blowing pipe is provided with blowing holes.

[0014] In the above technical solution, the hot air blown out by the hot air blower can be blown into the furnace to heat the objects in the furnace, and the blowing pipe and blowing holes are arranged on the bottom side of the furnace, so that the hot air spreads from bottom to top, prolonging the contact time with the objects and improving the curing efficiency of the objects.

[0015] As a further preferred embodiment of the present technical solution, the recovery component includes a recovery pipe, each of which is fixedly connected to the air inlet of the hot air blower, and the other end of each of the recovery pipes is fixedly connected to an air inlet pipe, and the air inlet pipe is fixed to the top side of the furnace shell, and the outer wall of the air inlet pipe is provided with an air inlet hole.

[0016] In the above technical solution, the gas spreading to the upper part of the furnace can be absorbed and returned to the hot air blower for heating, so that the hot gas can be recycled efficiently.

[0017] As a further preferred embodiment of the present technical solution, the filter assembly includes a box body, which is arranged on the outer wall on the other side of the furnace shell, the dust suction pipe extends to the bottom of the interior of the furnace shell, circular filter nets are embedded in the circular grooves at the top of the box body, and the outer wall of the box body is slidably connected to a collection frame.

[0018] In the above technical solution, the vacuum pump sucks the dust and impurities in the furnace into the box body through the dust suction pipe, and the gas is discharged from the circular filter screen by spreading upward, filtering out the impurities, and the filtered impurities fall into the collection frame.

[0019] The utility model provides a high-efficiency circulating heating device for a curing furnace, which has the following beneficial effects:

[0020] (1) The utility model installs a circulating heating device, and the blowing assembly can blow the hot air blown by the hot air blower into the furnace to heat the objects in the furnace. The blowing pipe and the blowing hole are arranged on the bottom side of the furnace, so that the hot air spreads from bottom to top, prolonging the contact time with the objects. The bottom side of the objects placed on the placement plate can be heated through the through hole, thereby improving the curing efficiency of the objects. In addition, the recovery assembly can absorb the gas that spreads to the upper part of the furnace and return it to the hot air blower for heating, so that the hot air can be efficiently recycled.

[0021] (2) The utility model installs a dust suction unit, and uses a vacuum pump to suck dust and impurities in the furnace from the dust suction pipe into the box body. The gas spreads upward and is discharged from the circular filter screen to filter out impurities. The filtered impurities fall into the collection frame, and the collection frame is pulled out by extraction, which is convenient for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the high-efficiency circulating heating device of the curing furnace of the utility model;

[0023] Figure 2 The utility model is Figure 1 Schematic diagram of the internal structure;

[0024] Figure 3 The utility model is Figure 1 Sectional drawing;

[0025] Figure 4 The utility model is Figure 3 Schematic diagram of the structure of the filter component;

[0026] In the figure: 1. curing furnace; 2. circulating heating device; 3. dust suction unit; 11. furnace shell; 12. furnace door; 13. control component; 14. interception net; a1. guide rail frame; a2. storage plate; a3. through hole; 21. hot air blower; 22. blowing component; 23. recovery component; b1. diverter pipe 1; b2. diverter pipe 2; b3. blowing pipe; b4. blowing hole; c1. recovery pipe; c2. air inlet pipe; c3. air inlet hole; 31. dust suction pipe; 32. vacuum pump; 33. filter component; d1. box; d2. circular filter; d3. collection frame. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] The utility model provides a technical solution: Figure 1 and Figure 2As shown, in the present embodiment, a high-efficiency circulation heating device of a curing furnace comprises a curing furnace 1, a circulation heating device 2 is installed at the front and rear ends of the curing furnace 1, a dust collection unit 3 is fixedly installed on the outer wall of one side of the curing furnace 1, the curing furnace 1 comprises a furnace shell 11, a furnace door 12 is provided at the left and right ends of the front side of the furnace shell 11 through hinges, a control component 13 is installed on the outer wall of one side of the furnace shell 11, a guide rail frame a1 is fixedly connected to the bottom side groove inside the furnace shell 11, a storage plate a2 is slidably connected to the guide rail frame a1 through a pulley, and through holes a3 are arranged on the storage plate a2, and the through holes a3 are opened on the storage plate a2, so that the hot air below can pass through and can heat the bottom side of the object, which has a better heating effect than the traditional object directly placed on the support table, and an interception net 14 is embedded in the rectangular groove on the top side of the furnace shell 11, and the interception net 14 is located above the hot air blower 21. The interception net 14 is arranged to intercept external impurities to prevent them from entering the rectangular groove and affecting the hot air blower 21.

[0029] like Figure 2 and Figure 3 As shown, the circulating heating device 2 includes a hot air blower 21, which is arranged at the front and rear ends of the rectangular groove above the curing furnace 1, and a blowing assembly 22 is fixedly installed at the air outlet of the hot air blower 21, and a recovery assembly 23 is fixedly installed at the air inlet of the hot air blower 21. The blowing assembly 22 includes a shunt pipe b1, and the shunt pipe b1 is fixedly connected to the left and right outer walls of the air outlet pipe on the bottom side of the hot air blower 21. The other end of the shunt pipe b1 is fixedly connected to the shunt pipe b2, and the shunt pipe b2 is arranged at the through hole on the inner wall of the furnace shell 11. A blowing pipe b3 is fixedly connected between the left and right shunt pipes b2, and the blowing pipe b3 is arranged on the bottom side of the furnace shell 11. The outer wall of the blowing pipe b3 is provided with a blowing hole b4. The recovery assembly 23 includes a recovery pipe c1, and the recovery pipe c1 is fixedly connected to The other end of the recovery pipe c1 is fixedly connected to the air inlet of the hot air blower 21, and the air inlet pipe c2 is fixed to the top side of the furnace shell 11. The outer wall of the air inlet pipe c2 is provided with an air inlet hole c3. By installing the circulating heating device 2, the blowing assembly 22 can blow the hot air blown by the hot air blower 21 into the furnace to heat the objects in the furnace, and the blowing pipe b3 and the blowing hole b4 are arranged on the bottom side of the furnace, so that the hot air spreads from bottom to top, prolonging the contact time with the objects, and the bottom side of the objects placed on the placement plate a2 can be heated through the through hole a3, thereby improving the curing efficiency of the objects. The recovery assembly 23 arranged in addition can absorb the gas spread to the upper part of the furnace and return it to the hot air blower 21 for heating, so that the hot air can be efficiently recycled.

[0030] like Figure 3 and Figure 4As shown, the dust suction unit 3 includes a dust suction pipe 31, one end of which is connected to the through hole of the upper outer wall of the curing furnace 1, and an air pump 32 is arranged on the dust suction pipe 31. A filter assembly 33 is installed at the other end of the dust suction pipe 31, and the filter assembly 33 includes a box body d1, and the box body d1 is arranged on the outer wall of the other side of the furnace shell 11. The dust suction pipe 31 extends to the lower part of the furnace shell 11, and circular filter screens d2 are embedded in the circular grooves at the top of the box body d1. The outer wall of the box body d1 is slidably connected with a collecting frame d3. By installing the dust suction unit 3, the dust and impurities in the furnace are sucked into the box body d1 from the dust suction pipe 31 through the air pump 32, and the gas is discharged from the circular filter screen d2 by spreading upwards, filtering out impurities, and the filtered impurities fall into the collecting frame d3, and the collecting frame d3 is extracted by extraction, which is convenient for cleaning.

[0031] The utility model provides a high-efficiency circulation heating device for a curing furnace, and the specific working principle is as follows: after an object is placed on a placement plate a2, it is pushed into the furnace, and the furnace door 12 is closed for heating; when heating, the hot air blower 21 is started to blow hot air into the shunt pipe b1 and the shunt pipe b2, and blown out from the blowing hole b4 on the blowing pipe b3, the hot air spreads from bottom to top, and can heat the bottom side of the object through the through hole a3, and the gas above is sucked into the air inlet pipe c2 and the recovery pipe c1 from the air inlet hole c3 through the pump body, and then blown back into the hot air blower 21 for heating again, so that cyclic heating can be achieved; due to the impurities carried by the object, a large amount of dust accumulates in the furnace, and the exhaust pump is started after the heating is completed; 32 draws the gas in the furnace into the box body d1, and the gas is discharged from the circular filter screen d2 through the spreading, and the filtered impurities fall into the collection frame d3, and the collection frame d3 can be drawn out to clean it.

[0032] 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 high-efficiency circulation heating device for a curing furnace, comprising a curing furnace (1), characterized in that: The front and rear ends of the curing furnace (1) are both equipped with circulating heating devices (2), and a dust collection unit (3) is fixedly installed on the outer wall of one side of the curing furnace (1); The circulating heating device (2) comprises a hot air blower (21), the hot air blower (21) being arranged at the front and rear ends of the rectangular groove above the curing furnace (1), a blowing assembly (22) being fixedly installed at the air outlet of the hot air blower (21), and a recovery assembly (23) being fixedly installed at the air inlet of the hot air blower (21); The dust suction unit (3) comprises a dust suction pipe (31), one end of which is connected to a through hole on the upper outer wall of the curing furnace (1), an air pump (32) is provided on the dust suction pipe (31), and a filter assembly (33) is installed at the other end of the dust suction pipe (31).

2. The high-efficiency circulation heating device of a curing furnace according to claim 1, characterized in that: The curing furnace (1) comprises a furnace shell (11), the left and right ends of the front side of the furnace shell (11) are provided with furnace doors (12) via hinges, and a control component (13) is installed on one side outer wall of the furnace shell (11).

3. The high-efficiency circulation heating device of a curing furnace according to claim 2, characterized in that: A guide rail frame (a1) is fixedly connected to the bottom side groove inside the furnace shell (11), and a storage plate (a2) is slidably connected to the guide rail frame (a1) via a pulley, and through holes (a3) ​​are arranged on the storage plate (a2).

4. The high-efficiency circulation heating device of a curing furnace according to claim 2, characterized in that: An interception net (14) is embedded in each of the rectangular grooves on the top side of the furnace shell (11), and the interception net (14) is located above the hot air blower (21).

5. The high-efficiency circulation heating device of a curing furnace according to claim 1, characterized in that: The blowing assembly (22) comprises a diverter pipe (b1), the diverter pipe (b1) being fixedly connected to the left and right outer walls of the air outlet pipe at the bottom side of the hot air blower (21), the other end of the diverter pipe (b1) being fixedly connected to a diverter pipe (b2), the diverter pipe (b2) being arranged at a through hole on the inner wall of the furnace shell (11), a blowing pipe (b3) being fixedly connected between the left and right diverter pipes (b2), the blowing pipe (b3) being arranged on the bottom side inside the furnace shell (11), and the outer wall of the blowing pipe (b3) being provided with a blowing hole (b4).

6. The high-efficiency circulation heating device of a curing furnace according to claim 1, characterized in that: The recovery component (23) comprises a recovery pipe (c1), wherein the recovery pipe (c1) is fixedly connected to the air inlet of the hot air blower (21), and the other end of the recovery pipe (c1) is fixedly connected to an air inlet pipe (c2), wherein the air inlet pipe (c2) is fixed to the top side of the furnace shell (11), and the outer wall of the air inlet pipe (c2) is provided with an air inlet hole (c3).

7. The high-efficiency circulation heating device of a curing furnace according to claim 1, characterized in that: The filter assembly (33) comprises a box body (d1), the box body (d1) is arranged on the outer wall of the other side of the furnace shell (11), the dust suction pipe (31) extends to the lower part of the inside of the furnace shell (11), circular filter nets (d2) are embedded in the circular grooves at the top of the box body (d1), and the outer wall of the box body (d1) is slidably connected to a collection frame (d3).

Images