Horizontal hot air circulation heating box of low-temperature hearth

Abstract

The utility model discloses a low-temperature hearth horizontal hot air circulation heating box which comprises a glue discharging box, a heating assembly is installed on the glue discharging box, and a binding post of the heating assembly is located outside a furnace body. The furnace body is mounted outside the glue discharging box, and the center line of the glue discharging box is aligned with the center line of the furnace body; a circulating hot air channel is formed in the glue discharging box, and hot air is generated when the heating assembly heats and makes contact with a product in a multi-layer horizontal air mode along the circulating hot air channel. According to the utility model, through the arrangement of the consistent center line alignment structure of the glue discharging box and the furnace body, hot air forms a uniform circulating hot air channel in the glue discharging box, and the hot air can be effectively ensured to be in contact with a product in a multilayer horizontal air manner, so that the heat distribution is more uniform, and the overall consistency of the glue discharging process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heating box, concretely relates to a low temperature hearth horizontal hot air circulation heating box. BACKGROUND

[0002] In industrial production, the glue removal process is an indispensable step in product processing, especially in the manufacturing industry of electronic components, automobile parts, etc. Glue is widely used on the surface of products. However, the existing glue removal equipment has problems such as uneven hot air distribution and inaccurate temperature control, resulting in inconsistent glue removal effect on different parts of the product, which seriously affects the quality of the product. In addition, the traditional glue removal equipment usually adopts vertical or single-direction hot air circulation mode, which cannot effectively heat the product surface uniformly in multiple dimensions, further exacerbating the problem of uneven glue removal.

[0003] In order to improve these defects, the industry has gradually begun to explore the use of multi-layer horizontal wind to circulate hot air in order to improve the uniformity of hot air distribution and reduce energy consumption and improve production efficiency through reasonable equipment design. However, the existing multi-layer horizontal wind circulation heating equipment still has many shortcomings, such as complex design of hot air circulation system, high maintenance cost and inconvenient operation of the equipment, etc. Therefore, a simple structure and higher uniformity of hot air circulation equipment is needed to solve these problems. SUMMARY

[0004] In order to solve the above problems, the utility model provides a low temperature hearth horizontal hot air circulation heating box, through the improved circulation hot air duct design and hot air circulation mechanism, ensure that the hot air circulates in the product in the form of multi-layer horizontal wind, which can significantly improve the uniformity of hot air in the glue removal process, thereby improving the consistency and quality of the product.

[0005] The utility model is realized through the following technical schemes: a low temperature hearth horizontal hot air circulation heating box, comprising:

[0006] The glue removal box is provided with a heating assembly, and the terminal post of the heating assembly is located outside the furnace body;

[0007] The furnace body is installed outside the glue removal box, and the center line of the glue removal box is aligned with the center line of the furnace body;

[0008] A circulation hot air duct is formed in the glue removal box, and when the heating assembly is heated, hot air is generated and contacts the product in the form of multi-layer horizontal wind along the circulation hot air duct.

[0009] As a preferred technical scheme, the hot air circulation mechanism is installed on the glue removal box and the furnace body, and the hot air circulation mechanism drives the hot air to circulate along the circulation hot air duct.

[0010] As a preferred technical scheme, the hot air circulation mechanism comprises a bearing seat mounted on the furnace body and a transmission motor, a transmission shaft is arranged in the middle of the bearing seat, one end of the transmission shaft extends into the glue discharging tank and is provided with a stainless steel fan blade, the other end of the transmission shaft is provided with a belt pulley, a driving pulley is arranged at the output end of the transmission motor, a B-type transmission belt is arranged between the driving pulley and the belt pulley, and the stainless steel fan blade is driven to rotate by the transmission motor.

[0011] As a preferred technical scheme, the furnace body and the glue discharging tank are provided with an air inlet pipe in the horizontal direction on one side, the air inlet pipe is arranged opposite to the stainless steel fan blade, and the furnace body and the glue discharging tank are provided with an air outlet pipe on the top side away from the air inlet pipe.

[0012] As a preferred technical scheme, the furnace body comprises a heat preservation layer wrapped and mounted outside the glue discharging tank, a main steel frame is mounted outside the heat preservation layer, the bearing seat of the hot air circulation fan is fixedly mounted on the main steel frame, and the bottom of the glue discharging tank is provided with a heat preservation brick layer.

[0013] As a preferred technical scheme, the furnace body and the glue discharging tank are provided with a hollow stainless steel mounting pipe.

[0014] As a preferred technical scheme, a thermocouple is arranged in the stainless steel mounting pipe, and a detection end of the thermocouple is located in the glue discharging tank.

[0015] As a preferred technical scheme, the heat preservation layer adopts a heat preservation cotton blanket.

[0016] As a preferred technical scheme, a plurality of installation grooves are arranged on the circulating hot air duct in a tilted manner, the heating assembly adopts a ceramic tube with a heating wire, and the heating assembly is arranged in each installation groove.

[0017] The utility model discloses a glue discharging tank and furnace body consistent with the middle line alignment structure, makes the hot air in the glue discharging tank form the uniform circulating hot air duct, can effectively guarantee that hot air contacts product with multilayer horizontal air mode, thereby makes heat distribution more uniform, improves the overall consistency of the glue discharging process.

[0018] Meanwhile, through the hot air circulation mechanism, the stainless steel fan blade is driven to rotate by the transmission motor, the effective circulation of hot air in the whole glue discharging tank is realized, and the flow efficiency of hot air is further improved.

[0019] In addition, the low-temperature furnace hearth horizontal hot air circulation heating box of the utility model has the multi-layer heat insulation design of the heat preservation layer and the heat preservation brick, can not only reduce heat loss and improve energy efficiency, but also can reduce the external temperature of the furnace body, ensure operation safety, and has simple overall structure and convenient maintenance, solves the problems of uneven hot air distribution and unstable glue discharging effect in the prior art, and greatly improves the working efficiency and product quality of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0021] Figure 1 It is the overall structure schematic view of the utility model;

[0022] Figure 2 It is the local structure schematic view of the utility model;

[0023] Explanation of reference signs:

[0024] 14, circulating hot air duct 4, bearing seat;8, transmission motor;3, stainless steel fan blade;5, pulley;6, B type transmission belt;9, air inlet pipe;13, air outlet pipe;1, main body steel frame;7, heat preservation brick layer;11, stainless steel mounting pipe;12, thermocouple;10, heating wire;2, heat preservation cotton blanket. DETAILED DESCRIPTION

[0025] All the features disclosed in this specification, or all the steps of any method or process specified in this specification, can be combined in any combination, except where it is specifically stated otherwise.

[0026] Any feature disclosed in this specification, unless stated otherwise, can be replaced by any equivalent or other technically equivalent feature.

[0027] As Figure 1 and Figure 2 As shown in the utility model discloses a low-temperature furnace hearth horizontal hot air circulation heating box, including the glue discharging box, install heating assembly on the glue discharging box, the binding post of heating assembly is located at the outside of furnace body;

[0028] Still include the furnace body, install in the outside of glue discharging box, the center line of glue discharging box and the center line of furnace body are consistent and align;

[0029] The glue discharging box forms a circulating hot air channel, when the heating assembly is heated, hot air is generated and contacts the products in a multi-layer horizontal air way along the circulating hot air channel, the circulating direction of the channel is as shown by the arrow in the figure, during the circulation, the hot air contacts the products in a multi-layer horizontal air way, ensuring that the hot air uniformly passes through the upper and lower and left and right product surfaces, thereby achieving consistency of glue discharging of all the products. Figure 1

[0030] The hot air circulating mechanism is installed on the glue discharging box and the furnace body, and drives the hot air to circulate along the circulating hot air channel.

[0031] Specifically, the hot air circulating mechanism includes a bearing seat installed on the furnace body and a transmission motor 8, a transmission shaft is arranged through the middle of the bearing seat, one end of the transmission shaft extends into the glue discharging box and is installed with a stainless steel fan blade 3, the other end of the transmission shaft is installed with a belt pulley 5, the output end of the transmission motor 8 is installed with a driving pulley, a B-type transmission belt 6 is installed between the driving pulley and the belt pulley 5, the stainless steel fan blade 3 is driven to rotate by the transmission motor 8, the belt pulley 5 is driven to rotate by the motor, and then the stainless steel fan blade 3 is driven to rotate, so that the hot air can enter the circulating hot air channel from the air inlet pipe 9, and constantly contact the products in a multi-layer horizontal air way during the circulation process, thereby improving the consistency of product glue discharging, and since the stainless steel fan blade 3 is used, it is not affected by the internal heat and can be used continuously.

[0032] As shown in the figure, Figure 1 The furnace body and one side of the glue discharging box are horizontally installed with an air inlet pipe 9, the air inlet pipe 9 is arranged opposite to the stainless steel fan blade 3, the top side of the furnace body and the glue discharging box away from the air inlet pipe 9 is provided with an air outlet pipe 13, the air outlet pipe 13 and the air inlet pipe 9 are perpendicularly arranged at an angle of 90 degrees, and finally the hot air is discharged from the air outlet pipe 13, and the hot air is constantly heated by the heating assembly during the circulation process.

[0033] In order to improve the heat preservation capacity of the furnace body, in the embodiment, the furnace body includes a heat preservation layer wrapped around the outside of the glue discharging box, a main steel frame 1 is installed on the outside of the heat preservation layer, the bearing seat of the hot air circulating fan is fixedly installed on the main steel frame 1, and a heat preservation brick layer 7 is arranged at the bottom of the glue discharging box.

[0034] In order to be able to install some functional accessories later, in the embodiment, a hollow stainless steel mounting pipe 11 is reserved at the top of the furnace body and the glue discharging box, a thermocouple 12 is inserted into the stainless steel mounting pipe 11, and a detection end of the thermocouple 12 is located in the glue discharging box.

[0035] In the embodiment, the heat preservation layer adopts a heat preservation cotton blanket 2, the overall heat preservation capacity of the furnace body is increased by the heat preservation layer, and the loss of heat is reduced.​

[0036] In the embodiment, a plurality of obliquely arranged installation grooves are arranged along the circulating hot air duct, the heating assembly adopts a ceramic tube with a heating wire 10, and the heating assembly is arranged in each installation groove.

[0037] The utility model discloses a middle line alignment structure that is consistent with the glue discharging box and the furnace body, which makes the hot air form a uniform circulating hot air duct in the glue discharging box, effectively ensures the hot air to contact the product in a multi-layer horizontal air mode, makes the heat distribution more uniform, and improves the overall consistency of the glue discharging process.

[0038] Meanwhile, the hot air is effectively circulated in the glue discharging box by the hot air circulation mechanism, and the flow efficiency of the hot air is further improved.

[0039] In addition, the utility model discloses a multilayer heat insulation design of heat preservation layer, heat preservation brick and the like, which can not only reduce heat loss and improve energy efficiency, but also reduce the external temperature of the furnace body, ensure operation safety, and has a simple overall structure and convenient maintenance.

[0040] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any change or replacement without creative labor should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited by the protection scope defined in the claims.

Claims

1. A low temperature hearth level hot air circulation heating box, characterized by, It comprises: The glue discharging box is provided with a heating assembly, and the terminal of the heating assembly is located outside the furnace body; The furnace body is installed outside the glue discharging box, and the center line of the glue discharging box is aligned with the center line of the furnace body; A circulating hot air duct is formed in the glue discharging box, and hot air is generated when the heating assembly is heated and contacts the product in a multi-layer horizontal air manner along the circulating hot air duct.

2. The low temperature furnace level hot blast circulation heating box according to claim 1, characterized in that: It also comprises a hot air circulating mechanism installed on the glue discharging box and the furnace body, which drives the hot air to circulate along the circulating hot air duct.

3. The low temperature furnace level hot blast circulation heating box according to claim 2, characterized in that: The hot air circulating mechanism comprises a bearing seat installed on the furnace body and a transmission motor (8), a transmission shaft is arranged in the middle of the bearing seat, one end of the transmission shaft extends into the glue discharging box and is provided with a stainless steel fan blade (3), the other end of the transmission shaft is provided with a belt pulley (5), the output end of the transmission motor (8) is provided with a driving wheel, a B-type transmission belt (6) is arranged between the driving wheel and the belt pulley (5), and the stainless steel fan blade (3) is driven to rotate by the transmission motor (8).

4. The low temperature furnace level hot blast circulation heating box according to claim 1, characterized in that: The furnace body and the glue discharging box are provided with an air inlet pipe (9) in the horizontal direction of one side, the air inlet pipe (9) is arranged opposite to the stainless steel fan blade (3), and the furnace body and the glue discharging box are provided with an air outlet pipe (13) on the top side away from the air inlet pipe (9).

5. The low temperature furnace level hot blast air circulation heating box according to claim 2, characterized in that: The furnace body comprises a heat preservation layer wrapped and installed outside the glue discharging box, a main steel frame (1) is installed outside the heat preservation layer, the bearing seat of the hot air circulating mechanism is fixedly installed on the main steel frame (1), and a heat preservation brick layer (7) is arranged at the bottom of the glue discharging box.

6. The low temperature furnace level hot blast circulation heating box according to claim 1, characterized in that: A hollow stainless steel mounting pipe (11) is reserved on the top of the furnace body and the glue discharging box.

7. The low temperature furnace level hot blast air circulation heating box according to claim 6, characterized in that: A thermocouple (12) is inserted in the stainless steel mounting pipe (11), and the detection end of the thermocouple (12) is located in the glue discharging box.

8. The low temperature furnace level hot blast circulation heating box according to claim 5, characterized in that: The heat preservation layer adopts a heat preservation cotton blanket (2).

9. The low temperature furnace level hot blast air circulation heating box according to claim 1, characterized in that: A plurality of inclined installation grooves are arranged along the circulating hot air duct on the circulating hot air duct, the heating assembly adopts a ceramic tube outer sleeve heating wire (10), and the heating assembly is uniformly arranged in each installation groove.

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