CN214665832U

CN214665832U - Hot air circulation tunnel oven

Info

Publication number: CN214665832U
Application number: CN202022912123.6U
Authority: CN
Inventors: 魏绪杰; 张凤
Original assignee: Shanghai Yinghua Industrial Co ltd
Current assignee: Shanghai Yinghua Industrial Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-11-09
Anticipated expiration: 2030-12-07

Abstract

The utility model relates to the technical field of drying equipment, in particular to a hot air circulation tunnel oven, which comprises a shell, wherein a clapboard is fixedly connected and arranged at the inner side of the shell, a circulating mechanism is arranged at the top of the clapboard, air inlet mechanisms for filtering dust are arranged at the tops of the left and right ends of the shell, the air inlet mechanisms are connected with the circulating mechanism, a conveyor belt is arranged at the lower side of the clapboard, and air outlet mechanisms connected with the circulating mechanism are arranged at the left and right sides of the conveyor belt, the utility model discloses a filter frame and an active carbon filter layer can be used for fully filtering air in an inlet device by arranging the air inlet mechanisms, so as to prevent dust from entering the device, the filter frame can be repeatedly moved up and down by using a vibrator and a spring, and the scraper can scrape off dust attached to the filter frame in the movement process of the filter frame, thereby facilitating people to clean the dust, and the air outlet plate can be repeatedly moved back and forth by arranging a driving mechanism, the article is heated more uniformly.

Description

Hot air circulation tunnel oven

Technical Field

The utility model relates to a drying equipment technical field specifically is a heated air circulation tunnel oven.

Background

With the continuous development of national economy, the living standard of people is continuously improved, the industrial production level of China is also continuously improved, in some industries with high yield and high yield, a tunnel oven is often adopted to dry products, the tunnel oven adopts a long box body hot air circulation and far infrared drying mode to dry the products, and the drying requirement of high drying efficiency is mainly met.

When the existing tunnel type hot air circulation oven is used, a dustproof screen plate is generally arranged at a natural wind inlet, after the tunnel type hot air circulation oven is used for a long time, dust after filtration is easily accumulated on the surface of the dustproof screen plate, the air inlet effect is poor, natural wind easily carries the dust to enter the inner side of a tunnel box, and the using effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heated air circulation tunnel oven to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a heated air circulation tunnel oven, includes the casing, the inboard fixed connection of casing is provided with the baffle, the baffle top is provided with circulation mechanism, both ends top is provided with the air inlet mechanism that is used for filtering the dust about the casing, air inlet mechanism is connected with circulation mechanism, the baffle downside is provided with the conveyer belt, the conveyer belt left and right sides all is provided with the mechanism of giving vent to anger of being connected with circulation mechanism.

As a further aspect of the present invention: the mechanism of admitting air includes that fixed connection sets up the filter box at both ends top about the casing, both sides fixed connection is provided with the air duct that is used for being connected with circulation mechanism between the filter box, filter box other end fixed connection is provided with the intake pipe, filter box inboard bottom bolted connection is provided with the dust collection box, the dust collection box inboard is provided with a plurality of filter frames, filter frame top fixed connection be provided with filter box sliding connection's slide, slide top bolted connection is provided with the vibrator, filter frame bottom left and right sides all is provided with the scraper blade with dust collection box fixed connection, fixed connection is provided with the spring between filter frame bottom and the dust collection box, the dust collection box is kept away from intake pipe one side and is provided with the active carbon filter layer with the filter box joint.

As a further aspect of the present invention: the circulating mechanism comprises a circulating fan which is connected with the top of the partition plate through bolts, the input end of the circulating fan is connected with the partition plate through an air suction pipe, the output end of the circulating fan is connected with a circulating air pipe arranged on the upper side of the partition plate, the output ends of the left side and the right side of the circulating air pipe are connected with a heater arranged on the top of the partition plate through bolts, the output end of the heater is connected with an air outlet mechanism through a rubber pipe, and the top end of the circulating air pipe is connected with an air guide pipe.

As a further aspect of the present invention: the mechanism of giving vent to anger is including setting up the board of giving vent to anger in the conveyer belt left and right sides, it is provided with a plurality of outlet ducts to go out gas board near conveyer belt one side fixed connection, it is provided with the connecting block to go out gas board other end fixed connection, the connecting block inboard is provided with the spacing groove, spacing inslot side sliding connection be provided with casing fixed connection's limiting plate, the connecting block is connected with the actuating mechanism who sets up in the casing inboard.

As a further aspect of the present invention: actuating mechanism includes the motor of bolted connection setting in casing inside bottom, the motor upside is provided with the bull stick of being connected with the casing rotation, motor upside output and incomplete gear connection, incomplete gear left and right sides all meshes to be connected and is provided with the bevel gear with bull stick fixed connection, both sides the limiting plate downside all is provided with rotates the transfer line of being connected with the casing, the equal fixed connection in transfer line and the bull stick outside is provided with the band pulley, connect through the belt between the band pulley, transfer line outside fixed connection is provided with drive gear, drive gear is connected with the rack toothing that fixed connection set up in the connecting block bottom.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the air inlet mechanism is arranged, air entering the device can be fully filtered by the filter frame and the activated carbon filter layer, dust is prevented from entering the device, the filter frame can move up and down repeatedly by the aid of the vibrator and the spring, and dust attached to the filter frame can be scraped by the scraper in the movement process of the filter frame, so that people can clean the dust conveniently;

2. through setting up actuating mechanism, the motor can make the bull stick carry out clockwise and anticlockwise rotation in turn, and the bull stick drives the transfer line and rotates, and the transfer line makes the connecting block remove through drive gear and rack to make the gas outlet plate carry out back and forth repetitive motion, make article be heated more evenly.

Drawings

Fig. 1 is a schematic structural diagram of a hot air circulation tunnel oven.

Fig. 2 is a schematic structural diagram of a filter box in a hot air circulation tunnel oven.

Fig. 3 is a schematic structural diagram of an air outlet plate in a hot air circulation tunnel oven.

In the figure: 1-shell, 2-filter box, 3-air inlet pipe, 4-air guide pipe, 5-circulating air pipe, 6-heater, 7-partition plate, 8-conveyor belt, 9-air suction pipe, 10-circulating fan, 11-rubber pipe, 12-air outlet plate, 13-air outlet pipe, 14-connecting block, 15-limiting plate, 16-motor, 17-incomplete gear, 18-rotating rod, 19-driving rod, 20-belt wheel, 21-driving gear, 22-rack, 23-limiting groove, 24-dust collection box, 25-sliding plate, 26-vibrator, 27-scraper, 28-filter frame and 29-active carbon filter layer.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1-3, in the embodiment of the present invention, a heated air circulation tunnel oven includes a housing 1, a partition 7 is fixedly connected to an inner side of the housing 1, a circulation mechanism is disposed on a top of the partition 7, air inlet mechanisms for filtering dust are disposed on top of left and right ends of the housing 1, the air inlet mechanisms are connected to the circulation mechanism, a conveyor belt 8 is disposed on a lower side of the partition 7, and air outlet mechanisms connected to the circulation mechanism are disposed on both sides of the conveyor belt 8.

Example 2

In the embodiment, the air inlet mechanism comprises filter boxes 2 fixedly connected and arranged at the tops of the left end and the right end of a shell 1, air guide pipes 4 used for being connected with a circulating mechanism are fixedly connected and arranged between the filter boxes 2 at two sides, the other end of each filter box 2 is fixedly connected and provided with an air inlet pipe 3, a dust collection box 24 is arranged at the bottom of the inner side of each filter box 2 in a bolted connection mode, a plurality of filter frames 28 are arranged at the inner side of each dust collection box 24, sliding plates 25 connected with the filter boxes 2 in a sliding mode are fixedly connected and arranged at the tops of the filter frames 28, vibrators 26 are arranged at the tops of the sliding plates 25 in a bolted connection mode, scraping plates 27 fixedly connected with the dust collection boxes 24 are arranged at the left side and the right side of the bottom ends of the filter frames 28, springs are fixedly connected and arranged between the bottom ends of the dust collection boxes 24, an activated carbon filter layer 29 clamped with the filter boxes 2 is arranged at one side, which is far away from the air inlet pipe 3, through the air inlet mechanism, utilize filter frame 28 and active carbon filter layer 29 can carry out abundant filtration to the air in the admission gear, avoid inside the dust admission gear, utilize vibrator 26 and spring can make filter frame 28 carry out up-and-down motion repeatedly, in filter frame 28 motion process, scraper blade 27 can be scraped the adnexed dust on filter frame 28, makes things convenient for people to clear up the dust.

In this embodiment, circulation mechanism includes that bolted connection sets up the circulating fan 10 at baffle 7 top, circulating fan 10 input passes through breathing pipe 9 and is connected with baffle 7, circulating fan 10 output is connected with the circulating air pipe 5 that sets up at baffle 7 upside, the output of the 5 left and right sides of circulating air pipe all is connected with the heater 6 that bolted connection set up at baffle 7 top, the output of heater 6 passes through rubber tube 11 and is connected with air outlet mechanism, 5 tops of circulating air pipe are connected with air duct 4.

In this embodiment, the mechanism of giving vent to anger is including setting up the board 12 of giving vent to anger in the 8 left and right sides of conveyer belt, it is provided with a plurality of outlet ducts 13 to go out board 12 and be close to 8 one side fixed connection of conveyer belt, it is provided with connecting block 14 to go out 12 other end fixed connection of board, 14 inboards of connecting block are provided with spacing groove 23, the inboard sliding connection of spacing groove 23 is provided with the limiting plate 15 with casing 1 fixed connection, connecting block 14 is connected at the actuating mechanism of casing 1 inboard with the setting.

In this embodiment, the driving mechanism includes a motor 16 disposed at the bottom of the inner side of the housing 1 by bolt connection, a rotating rod 18 rotatably connected with the housing 1 is disposed at the upper side of the motor 16, the output end of the upper side of the motor 16 is connected with an incomplete gear 17, bevel gears fixedly connected with the rotating rod 18 are disposed at the left and right sides of the incomplete gear 17 in a meshing connection, a transmission rod 19 rotatably connected with the housing 1 is disposed at the lower side of the limiting plate 15 at both sides, belt wheels 20 are fixedly connected at the outer sides of the transmission rod 19 and the rotating rod 18, the belt wheels 20 are connected through a belt, a transmission gear 21 is fixedly connected at the outer side of the transmission rod 19, the transmission gear 21 is in a meshing connection with a rack 22 fixedly connected at the bottom of the connecting block 14, and the motor 16 can alternatively rotate the rotating rod 18 clockwise and counterclockwise by setting the driving mechanism, the rotating rod 18 drives the transmission rod 19 to rotate, and the transmission rod 19 enables the connecting block 14 to move through the transmission gear 21 and the rack 22, so that the air plate 12 can move back and forth repeatedly, and the objects can be heated more uniformly.

In this embodiment, the vibrator 26 is an electric vibrator.

The utility model discloses a theory of operation is: through setting up the mechanism of admitting air, utilize filter frame 28 and active carbon filter layer 29 can carry out abundant filtration to the air in the access device, avoid inside the dust access device, utilize vibrator 26 and spring can make filter frame 28 carry out up-and-down motion repeatedly, in filter frame 28 motion process, scraper blade 27 can be scraped adnexed dust on the filter frame 28, make things convenient for people to clear up the dust, through setting up actuating mechanism, motor 16 can make bull stick 18 carry out clockwise and anticlockwise rotation in turn, bull stick 18 drives transfer line 19 and rotates, transfer line 19 makes connecting block 14 remove through drive gear 21 and rack 22, thereby make and draw gas plate 12 to carry out back and forth motion repeatedly, make article be heated more evenly.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a heated air circulation tunnel oven, includes casing (1), its characterized in that, casing (1) inboard fixed connection is provided with baffle (7), baffle (7) top is provided with circulation mechanism, both ends top is provided with the air inlet mechanism that is used for filtering the dust about casing (1), air inlet mechanism is connected with circulation mechanism, baffle (7) downside is provided with conveyer belt (8), the conveyer belt (8) left and right sides all is provided with the mechanism of giving vent to anger of being connected with circulation mechanism.

2. The hot air circulation tunnel oven according to claim 1, wherein the air intake mechanism comprises filter boxes (2) fixedly connected and arranged at the tops of the left and right ends of the housing (1), an air duct (4) for connecting with the circulation mechanism is fixedly connected and arranged between the filter boxes (2) at the two sides, an air intake pipe (3) is fixedly connected and arranged at the other end of the filter box (2), a dust collection box (24) is arranged at the bottom of the inner side of the filter box (2) in a bolted connection manner, a plurality of filter frames (28) are arranged at the inner side of the dust collection box (24), a sliding plate (25) slidably connected with the filter box (2) is fixedly connected and arranged at the top of the filter frame (28), a vibrator (26) is arranged at the top of the sliding plate (25) in a bolted connection manner, scrapers (27) fixedly connected with the dust collection box (24) are arranged at the left and right sides of the bottom end of the filter frame (28), and a spring is fixedly connected and arranged between the bottom end of the dust collection box (24) of the filter frame (28), and an activated carbon filter layer (29) clamped with the filter box (2) is arranged on one side of the dust collection box (24) far away from the air inlet pipe (3).

3. The heated air circulation tunnel oven according to claim 2, wherein the circulation mechanism comprises a circulation fan (10) which is connected with the top of the partition plate (7) through bolts, the input end of the circulation fan (10) is connected with the partition plate (7) through an air suction pipe (9), the output end of the circulation fan (10) is connected with a circulation air pipe (5) arranged on the upper side of the partition plate (7), the output ends of the left side and the right side of the circulation air pipe (5) are connected with a heater (6) which is connected with the top of the partition plate (7) through bolts, the output end of the heater (6) is connected with an air outlet mechanism through a rubber pipe (11), and the top end of the circulation air pipe (5) is connected with the air guide pipe (4).

4. The heated air circulation tunnel oven of claim 3, wherein the air outlet mechanism comprises air outlet plates (12) arranged on the left side and the right side of the conveyor belt (8), the air outlet plates (12) are fixedly connected with a plurality of air outlet pipes (13) on one side close to the conveyor belt (8), the other end of the air outlet plates (12) is fixedly connected with a connecting block (14), a limiting groove (23) is arranged on the inner side of the connecting block (14), a limiting plate (15) fixedly connected with the shell (1) is arranged on the inner side of the limiting groove (23) in a sliding connection manner, and the connecting block (14) is connected with a driving mechanism arranged on the inner side of the shell (1).

5. The hot air circulation tunnel oven according to claim 4, wherein the driving mechanism comprises a motor (16) which is connected with the bottom of the inner side of the shell (1) through bolts, a rotating rod (18) which is connected with the shell (1) in a rotating mode is arranged on the upper side of the motor (16), an output end of the upper side of the motor (16) is connected with an incomplete gear (17), bevel gears which are fixedly connected with the rotating rod (18) are arranged on the left side and the right side of the incomplete gear (17) in a meshed mode, a transmission rod (19) which is connected with the shell (1) in a rotating mode is arranged on the lower side of the limiting plate (15) on the two sides, belt pulleys (20) are arranged on the outer sides of the transmission rod (19) and the rotating rod (18) in a fixed mode, the belt pulleys (20) are connected with each other through a belt, a transmission gear (21) is arranged on the outer side of the transmission rod (19) in a fixed mode, and the transmission gear (21) is connected with a rack (22) which is fixedly connected with the bottom of the connecting block (14) in a meshed mode.