CN220039006U - Tunnel dryer air current circulating device - Google Patents

Abstract

The utility model discloses an airflow circulating device of a tunnel dryer, which comprises a machine body, a conveying mechanism and a first shell arranged on the conveying mechanism, wherein an air cavity is arranged in the first shell, at least one air inducing mechanism is arranged on the upper surface of the first shell, the output end of the air inducing mechanism stretches into the first shell and is connected with the air cavity, air outlet holes are uniformly distributed in the lower wall of the air cavity, and an air exhaust grid is arranged on the side wall of the first shell. Wherein the evenly distributed air outlet holes promote the discharged air to blow towards the material as evenly as possible. The problems that the wind force born by part of materials is large and the wind force born by part of materials is small are avoided as far as possible when the materials are conveyed by the conveying mechanism.

Description

Tunnel dryer air current circulating device

Technical Field

The utility model relates to the technical field of tunnel dryers, in particular to an airflow circulating device of a tunnel dryer.

Background

The tunnel dryer is a device for conveying materials through a conveying belt and drying the materials in the conveying process. Specifically, after the material is conveyed to the inside of the dryer by the conveyer belt, the dryer blows air to the surface of the conveyer belt through the fan, so that the air flow rate on the surface of the material is accelerated, and the effect of drying is achieved.

The existing tunnel dryer blows external air to materials only through a fan, and the air outlet of the fan is single, so that the air blown to the materials cannot be guaranteed to be uniform, and specifically, the problem that part of materials are subjected to large wind force and the other part of materials are subjected to small wind force can be solved when the materials conveyed by the surface of the conveying mechanism are conveyed.

To this end we provide a tunnel dryer air flow circulation device.

Disclosure of Invention

The utility model aims to provide a tunnel dryer air flow circulating device, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tunnel dryer air current circulating device, includes the organism, conveying mechanism and the first casing of locating on the conveying mechanism of locating tunnel dryer, the inside of first casing is equipped with the wind chamber, the upper surface of first casing is equipped with at least one induced air mechanism, induced air mechanism's output stretches into the inside of first casing and with the wind chamber is connected, the lower wall evenly distributed in wind chamber has the apopore, the lateral wall of first casing is equipped with the grid of airing exhaust.

Preferably, the conveying mechanism comprises a conveying belt, a driving roll shaft, a driven roll shaft, a driving mechanism and a second shell, wherein the driving roll shaft and the driven roll shaft are respectively connected with the inner wall of the second shell in a rotating mode, the conveying belt surrounds the driving roll shaft and the driven roll shaft, the driving mechanism is connected with the driving roll shaft, and the driving mechanism is used for driving the driving roll shaft to rotate.

Preferably, the driving mechanism comprises a driving motor, a driving gear, a driven gear and a transmission chain, wherein the output end of the driving motor is connected with the driving gear, the driven gear is connected with the driving roller shaft, and the transmission chain is in meshed connection between the driving gear and the driven gear.

Preferably, the conveying mechanism further comprises a supporting plate, a tightening shaft and at least one driven shaft, the supporting plate supports the conveying belt located at the upper side portion, the tightening shaft is used for tightening the conveying belt, the driven shaft is rotatably installed in the second shell, and the driven shaft is in contact with the lower surface of the conveying belt.

Preferably, an electric heating net is arranged in the wind cavity.

Preferably, the induced air mechanism comprises a fan, a filter screen, a fan cover and an air duct, wherein the filter screen is arranged at the output end of the fan, the fan cover is connected with the output end of the fan, and the air duct is connected between the fan cover and the air cavity.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a tunnel dryer air current circulating device carries outside air to the inside of wind chamber through induced air mechanism, and then by wind chamber lower wall evenly distributed's apopore blowout, evenly distributed's apopore corresponds with conveying mechanism's upper surface, and the air is discharged by the apopore, is discharged by the grid of airing exhaust after the material, accelerates the air velocity of flow around the material when the air passes through the material, plays the stoving effect to the material. Wherein the evenly distributed air outlet holes promote the discharged air to blow towards the material as evenly as possible. The problems that the wind force born by part of materials is large and the wind force born by part of materials is small are avoided as far as possible when the materials are conveyed by the conveying mechanism.

Drawings

FIG. 1 is an isometric view of a body structure of the present utility model;

FIG. 2 is a cross-sectional view of the body structure of the present utility model;

FIG. 3 is a schematic perspective view of a wind chamber according to the present utility model;

FIG. 4 is a schematic perspective view of a conveying mechanism according to the present utility model;

FIG. 5 is a schematic diagram of the front view of the conveying mechanism of the present utility model;

FIG. 6 is an enlarged schematic view of FIG. 4 at A;

fig. 7 is a schematic structural view of an air induction mechanism of the present utility model.

In the figure: 1-organism, 2-casing, 21-exhaust grille, 3-wind chamber, 31-apopore, 32-electric heating net, 4-conveying mechanism, 41-conveyer belt, 42-driving roller, 43-driven roller, 44-actuating mechanism, 441-driving motor, 442-driving gear, 443-driven gear, 444-drive chain, 45-casing, 46-backup pad, 47-stretching axle, 48-driven shaft, 5-induced draft mechanism.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides an airflow circulation device of a tunnel dryer, including a machine body 1, a conveying mechanism 4 and a first housing 2 disposed on the conveying mechanism 4, wherein an air cavity 3 is disposed in the first housing 2, at least one air guiding mechanism 5 is disposed on an upper surface of the first housing 2, an output end of the air guiding mechanism 5 extends into the first housing 2 and is connected with the air cavity 3, air outlet holes 31 are uniformly distributed on a lower wall of the air cavity 3, and an air exhaust grille 21 is disposed on a side wall of the first housing 2. Specifically, the induced air mechanism 5 carries outside air to the inside of wind chamber 3, and then by wind chamber 3 lower wall evenly distributed's air outlet 31 blowout, evenly distributed's air outlet 31 corresponds with the upper surface of conveying mechanism 4, and the air is discharged by air outlet 31, is discharged by exhaust grid 21 after the material, accelerates the air velocity of flow around the material when the air passes through the material, plays the stoving effect to the material. Wherein the evenly distributed air outlet openings 31 promote the most even possible blowing of the discharged air towards the material. The problems that the wind force born by part of the materials is large and the wind force born by part of the materials is small when the materials conveyed by the conveying mechanism 4 are avoided as much as possible.

Specifically, the conveying mechanism 4 includes a conveying belt 41, a driving roller shaft 42, a driven roller shaft 43, a driving mechanism 44 and a second housing 45, the driving roller shaft 42 and the driven roller shaft 43 are respectively and rotatably connected with the inner wall of the second housing 45, the conveying belt 41 is surrounded between the driving roller shaft 42 and the driven roller shaft 43, the driving mechanism 44 is connected with the driving roller shaft 42, and the driving mechanism 44 is used for driving the driving roller shaft 42 to rotate. In actual use, materials are put to the conveyer belt 41 from one side of the conveyer belt 41, the driving mechanism 44 is started, the driving roller shaft 42 is directly driven by the driving mechanism 44 to rotate, the conveyer belt 41 is directly driven to drive by the rotation of the driving roller shaft 42, the conveyer belt 41 conveys the materials, and meanwhile the driven roller shaft 43 rotates along with the conveyer belt 41.

Specifically, the driving mechanism 44 includes a driving motor 441, a driving gear 442, a driven gear 443, and a transmission chain 444, wherein an output end of the driving motor 441 is connected to the driving gear 442, the driven gear 443 is connected to the driving roller shaft 42, and the transmission chain 444 is in meshed connection between the driving gear 442 and the driven gear 443. The output end of the driving motor 41 directly drives the driving gear 442 to rotate, the rotation of the driving gear 442 drives the driven gear 443 to rotate through the transmission chain 444, and the rotation of the driven gear 443 drives the driving roller shaft 42 to rotate, so that the driving of the driving roller shaft 42 is realized.

Specifically, the conveying mechanism 4 further includes a support plate 46, a tightening shaft 47, and at least one driven shaft 48, the support plate 46 supports the conveying belt 41 at an upper portion, the tightening shaft 47 tightens the conveying belt 41, the driven shaft 48 is rotatably mounted inside the second housing 45, and the driven shaft 48 is in contact with a lower surface of the conveying belt 41. The setting of the tightening shaft 47 and the driven shaft 48 can improve the running stability of the conveyor belt 41 to some extent. When the material is on the surface of the conveyor belt 41, the support plate 46 has a certain supporting effect on the material through the conveyor belt 41.

Specifically, the electric heating net 32 is arranged in the air cavity 3, the electric heating net 32 is configured to heat the air in the air cavity 3, the air passing through the air cavity 3 is caused to be preheated, the warm air is blown to the material, the moisture increasing rate of the material can be improved, and the drying efficiency of the material is further improved. The electric heating net 32 is an existing electric heating net, and is disclosed in the patent CN218223072U, and will not be described in detail herein.

Specifically, the induced air mechanism 5 includes a fan 51, a filter screen 52, a fan housing 53 and an air duct 54, wherein the filter screen 52 is disposed at an output end of the fan 51, the fan housing 53 is connected to the output end of the fan 51, and the air duct 54 is connected between the fan housing 53 and the air chamber 3. Specifically, the fan 51 sucks external air from the input end, the air enters the fan 51 and passes through the filter screen 52, and the air is filtered by the filter screen 52, so that large particles or impurities in the air are prevented from entering the interior of the fan 51, and damage to the fan 51 is avoided. The blower 51 delivers the internal air from the output to the hood 53, and through the hood 53 from the duct 54 to the interior of the air chamber 3.

Working principle: the material is placed and conveyed into the first shell 2 by the conveying mechanism 4, the air inducing mechanism 5 conveys external air into the air cavity 3, then the air is blown out by the air outlet holes 31 evenly distributed in the lower wall of the air cavity 3, the air is discharged from the air outlet holes 31 and is discharged from the air exhaust grid 21 after passing through the material, the air flow rate around the material is accelerated when the air passes through the material, and the drying effect on the material is achieved. Wherein the evenly distributed air outlet openings 31 promote the most even possible blowing of the discharged air towards the material. The problems that the wind force born by part of the materials is large and the wind force born by part of the materials is small when the materials conveyed by the conveying mechanism 4 are avoided as much as possible.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a tunnel dryer air current circulating device, includes organism (1), conveying mechanism (4) and locates first casing (2) on conveying mechanism (4) of locating tunnel dryer, a serial communication port, the inside of first casing (2) is equipped with wind chamber (3), the upper surface of first casing (2) is equipped with at least one induced air mechanism (5), the output of induced air mechanism (5) stretch into the inside of first casing (2) and with wind chamber (3) are connected, the lower wall evenly distributed in wind chamber (3) has air outlet (31), the lateral wall of first casing (2) is equipped with grid (21) of airing exhaust.

2. The tunnel dryer air flow circulation device according to claim 1, wherein: conveying mechanism (4) are including conveyer belt (41), initiative roller (42), driven roller (43), actuating mechanism (44) and second casing (45), initiative roller (42) with driven roller (43) respectively with the inner wall of second casing (45) rotates to be connected, conveyer belt (41) encircle in initiative roller (42) with between driven roller (43), actuating mechanism (44) with initiative roller (42) are connected, just actuating mechanism (44) are used for the drive initiative roller (42) rotate.

3. The tunnel dryer air flow circulation device according to claim 2, wherein: the driving mechanism (44) comprises a driving motor (441), a driving gear (442), a driven gear (443) and a transmission chain (444), wherein the output end of the driving motor (441) is connected with the driving gear (442), the driven gear (443) is connected with the driving roll shaft (42), and the transmission chain (444) is in meshed connection between the driving gear (442) and the driven gear (443).

4. The tunnel dryer air flow circulation device according to claim 2, wherein: the conveying mechanism (4) further comprises a supporting plate (46), a tightening shaft (47) and at least one driven shaft (48), the supporting plate (46) supports the conveying belt (41) located on the upper side portion, the tightening shaft (47) is used for tightening the conveying belt (41), the driven shaft (48) is rotatably mounted in the second shell (45), and the driven shaft (48) is in contact with the lower surface of the conveying belt (41).

5. The tunnel dryer air flow circulation device according to claim 1, wherein: an electric heating net (32) is arranged in the air cavity (3).

6. The tunnel dryer air flow circulation device according to claim 1, wherein: the air inducing mechanism (5) comprises a fan (51), a filter screen (52), a fan cover (53) and an air pipe (54), wherein the filter screen (52) is arranged at the output end of the fan (51), the fan cover (53) is connected with the output end of the fan (51), and the air pipe (54) is connected between the fan cover (53) and the air cavity (3).