Tunnel type hot air circulation dryer

Abstract

The utility model discloses a tunnel style hot air circulation dryer relates to drying equipment technical field, including dryer main part, seal cover plate, support frame, fixed cover, two fixed cover both interiors install the fan, the support frame is located between the two fixed cover, the support frame is connected with a plurality of heat conduction fin in the horizontal equidistant sliding mode, and the heat conduction fin is connected with the fixed cover. The dryer body is provided with a replacement mechanism used for conveniently replacing the heat conduction fins. Through the replacement mechanism, the heat conduction fins can be conveniently moved from a high position to a low position where operation is convenient through automatic horizontal displacement and vertical lifting of the heat conduction fins, so that the purpose of automatically and rapidly replacing the heat conduction fins can be achieved, and the replacement efficiency of the heat conduction fins can be further improved; the manual operation intensity is effectively reduced, the equipment shutdown time is effectively shortened, and the operation safety and the equipment operation continuity are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying equipment technical field, concretely is a kind of tunnel type hot air circulation dryer. BACKGROUND

[0002] Tunnel type hot air circulation dryer is a kind of industrial drying equipment with continuous material drying as core function, adopts tunnel type closed cavity as working space, is composed of material continuous conveying device, hot air generation system, air circulation control mechanism and temperature and humidity detection control system (part model contains waste heat recovery and tail gas treatment system), by the stable circulation flow field formed in cavity by forced hot air, the material and hot air stream of continuous conveying carry out heat mass exchange efficiently, realize material moisture rapid evaporation, have energy-saving and stability advantage.

[0003] The patent with the authorized announcement number CN222993420U records a kind of hot air circulation tunnel type sterilization oven, including a group of supports, a group of transmission belt is installed between the support, the top of the support is installed with sterilization oven body, the both sides of the sterilization oven body are installed with wind cover, the wind cover is connected with wind pipe on one side, the top of the sterilization oven body is installed with heat recovery tank, the other end of the wind pipe is connected with another wind pipe by penetrating the inside of heat recovery tank, the inside of the sterilization oven body is installed with a plurality of heat-conducting fins, the both sides of the heat-conducting fin are installed with circulating fan, the circulating fan is installed in the inside of wind cover, the inside of the sterilization oven body is installed with replacement assembly, the replacement assembly is connected with heat-conducting fin.This device is convenient and quick to replace heat-conducting fin, improves heat exchange efficiency, restores or improves the heat transfer performance of heat exchanger, so that it can more effectively transmit heat.

[0004] The above-mentioned patent improves drying quality and production efficiency by replacing heat-conducting fin during use, but since the position of heat-conducting fin is high, workers need to use auxiliary tools such as ladders and scaffolds to climb when replacing heat-conducting fin, which not only limits the operation space, but also causes time and labor consumption for disassembling and assembling heat-conducting fin, and there are safety hazards such as falling and tool falling, based on this, the present application provides a kind of tunnel type hot air circulation dryer, which can eliminate the disadvantages of existing devices. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of tunnel type hot air circulation dryer to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of tunnel type hot air circulation dryer, including dryer main body, one end of the dryer main body is provided with sealing cover plate, one end of the sealing cover plate is fixedly connected with support frame, the support frame is through to the inside of dryer main body, the support frame is slidably connected with dryer main body, the outer wall of the dryer main body is symmetrically equipped with two fixed covers, two the inside of the fixed cover is equipped with fan, the support frame is located between two fixed covers, a plurality of heat-conducting fins are slidably connected with the support frame on the support frame, the dryer main body is provided with replacement mechanism for the heat-conducting fin is conveniently replaced;

[0008] The replacement mechanism includes: a moving base provided at one end of the dryer main body, the moving base is located below the sealing cover plate, the bottom end of the moving base is symmetrically equipped with two groups of universal wheels, the end of the moving base away from the dryer main body is fixedly connected with support frame, the support frame is L-shaped in shape, and the sealing cover plate is located inside the support frame.

[0009] The dryer main body is provided with a pushing assembly for pushing the moving base to displace.

[0010] The pushing assembly includes: a second lead screw provided inside the dryer main body, the second lead screw penetrates into the inside of the moving base, the outer wall of the second lead screw is sleeved with a limiting sliding cylinder, the limiting sliding cylinder is threadedly connected with the second lead screw, the limiting sliding cylinder is fixedly connected with the moving base, and the end of the dryer main body away from the sealing cover plate is provided with a first servo motor, and the second lead screw is driven by the output end of the first servo motor.

[0011] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:

[0012] In an alternative scheme, the replacement mechanism further includes: a first limiting assembly provided on the dryer main body.

[0013] The first limiting assembly includes: two second limiting rods symmetrically slidably connected inside the dryer main body, both the second limiting rods penetrate into the inside of the moving base through the dryer main body, both the second limiting rods are slidably connected with the moving base, both the second limiting rods are symmetrically fixedly connected with two limiting baffles, one limiting baffle is slidably connected with the dryer main body, and the other limiting baffle is slidably connected with the moving base.

[0014] The moving base is provided with a lifting assembly for driving the sealing cover plate to lift.

[0015] The dryer main body is provided with a second limiting assembly for limiting the movement of the support frame.

[0016] In an optional scheme, the lifting assembly comprises a first lead screw rotatably connected to the top end of the moving base, the first lead screw is rotatably connected to the support frame, the outer wall of the first lead screw is sleeved with a first lifting sleeve, the first lifting sleeve is threadedly connected with the first lead screw, the first lifting sleeve is fixedly connected with the sealing cover plate, the top end of the support frame is provided with a second servo motor, and the first lead screw is driven by the output end of the second servo motor.

[0017] The moving base is provided with a guide assembly.

[0018] In an optional scheme, the guide assembly comprises two first limiting rods symmetrically and fixedly connected to the top end of the moving base, the first lead screw is located between the two first limiting rods, the two first limiting rods are fixedly connected with the support frame, the outer wall of the two first limiting rods is slidably sleeved with a second lifting sleeve, and the second lifting sleeve is fixedly connected with the sealing cover plate.

[0019] In an optional scheme, the second limiting assembly comprises two telescopic pipes symmetrically arranged at one end of the drying machine body, the two telescopic pipes are located on the inner side of the support frame, and the sealing cover plate is located between the two telescopic pipes.

[0020] In an optional scheme, the telescopic pipe comprises a connecting column fixedly connected to one end of the support frame, the outer wall of the connecting column is slidably sleeved with a third sleeve, the outer wall of the third sleeve is slidably sleeved with a second sleeve, the outer wall of the second sleeve is slidably sleeved with a first sleeve, the first sleeve is fixedly connected with the drying machine body, the outer walls of the second sleeve, the third sleeve and the connecting column are integrally formed with a limiting ring, and limiting sliding grooves, in which the limiting ring slides, are formed at the positions, where the first sleeve, the second sleeve and the third sleeve are connected with the limiting ring.

[0021] In an optional scheme, the drying machine body is provided with a gas conveying pipe, the two fixed covers are fixedly connected to the two ends of the gas conveying pipe, the top end of the drying machine body is provided with a recovery box, the recovery box is fixedly connected to the outer wall of the gas conveying pipe, the drying machine body is provided with a conveying assembly, and the conveying assembly is located below the support frame.

[0022] Compared with the prior art, the utility model has the advantages of the following:

[0023] The utility model discloses a replacement mechanism, which can automatically horizontally displace and vertically lift the heat-conducting fin, conveniently move the heat-conducting fin from a high place to a low place for operation, realize the automatic and rapid replacement of the heat-conducting fin, further improve the efficiency of replacing the heat-conducting fin, effectively reduce the strength of manual operation and the downtime of equipment, and guarantee the safety of operation and the continuity of equipment operation. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of the utility model.

[0025] Figure 2 It is a structural schematic view of the utility model's support frame internal structure.

[0026] Figure 3 It is a structural schematic view of the utility model's limiting slide cylinder and second screw rod connecting structure.

[0027] Figure 4 It is a structural schematic view of the utility model's telescopic pipe internal structure.

[0028] Figure 5 It is a structural schematic view of the utility model's sealing cover plate and support frame connecting structure.

[0029] Mark annotation: 1, dryer main body; 201, first lifting sleeve; 202, telescopic pipe; 203, support frame; 204, first limiting rod; 205, moving base; 206, second limiting rod; 207, limiting baffle; 208, first servo motor; 209, limiting slide cylinder; 2010, second servo motor; 2011, first screw rod; 2012, second screw rod; 2013, second lifting sleeve; 3, sealing cover plate; 4, support frame; 5, heat-conducting fin; 6, gas conveying pipe; 7, fixed cover; 8, conveying assembly. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in conjunction with the drawings and examples.

[0031] In one embodiment, as shown in Figures 1-5 A tunnel type hot air circulation dryer, including dryer main body 1, one end of dryer main body 1 is provided with sealing cover plate 3, one end of sealing cover plate 3 is fixedly connected with support frame 4, support frame 4 penetrates to the inside of dryer main body 1, support frame 4 is slidably connected with dryer main body 1, the outer wall of dryer main body 1 is symmetrically installed with two fixed covers 7, the inside of two fixed covers 7 is installed with fan, support frame 4 is located between two fixed covers 7, a plurality of heat-conducting fins 5 are transversely equidistantly slidably connected on support frame 4, dryer main body 1 is provided with gas conveying pipe 6, two fixed covers 7 are fixedly connected at the two ends of gas conveying pipe 6, recovery tank is installed at the top end of dryer main body 1, recovery tank is fixedly connected on the outer wall of gas conveying pipe 6, conveying assembly 8 is installed on dryer main body 1, conveying assembly 8 is located below support frame 4, dryer main body 1 is provided with replacement mechanism for conveniently replacing heat-conducting fin 5.

[0032] The replacement mechanism comprises a moving base 205 arranged at one end of the dryer body 1, the moving base 205 is located below the sealing cover plate 3, two groups of universal wheels are symmetrically arranged at the bottom end of the moving base 205, a support frame 203 is fixedly connected to the end of the moving base 205 away from the dryer body 1, the support frame 203 is in the shape of L, and the sealing cover plate 3 is located at the inner side of the support frame 203;

[0033] In this embodiment, when in use, the material is conveyed by the conveying assembly 8, and the dryer body 1 and the fan are started, so that the material can be dried, and the heat can be recycled and circulated through the heat-conducting fins 5, the gas conveying pipe 6, the fixed cover 7 and the recovery box;

[0034] When the heat-conducting fins 5 need to be replaced, the support frame 4 can be driven to slide along the inner wall of the dryer body 1 by the replacement mechanism, and the plurality of heat-conducting fins 5 are synchronously moved under the driving of the support frame 4, so that the plurality of heat-conducting fins 5 can be conveniently taken out;

[0035] When the support frame 4 moves to the outside of one end of the dryer body 1, the sealing cover plate 3 is vertically lowered by the replacement mechanism, and the plurality of heat-conducting fins 5 are synchronously lowered under the driving of the sealing cover plate 3, so that the heat-conducting fins 5 to be replaced can be conveniently replaced, and then the above operation is reversed, so that the plurality of heat-conducting fins 5 can be conveniently installed and fixed, thereby further improving the efficiency of replacing the heat-conducting fins 5;

[0036] In one embodiment, as shown in Figures 2-3 The replacement mechanism further comprises a first limiting assembly arranged on the dryer body 1;

[0037] The first limiting assembly comprises two second limiting rods 206 symmetrically and slidingly connected in the dryer body 1, the two second limiting rods 206 are both penetrated through the dryer body 1 to the inside of the moving base 205, the two second limiting rods 206 are both slidingly connected with the moving base 205, two limiting baffles 207 are symmetrically and fixedly connected to the outer wall of the two second limiting rods 206, one limiting baffle 207 is slidingly connected with the dryer body 1, and the other limiting baffle 207 is slidingly connected with the moving base 205;

[0038] The moving base 205 is provided with a lifting assembly for driving the sealing cover plate 3 to lift and lower;

[0039] The dryer body 1 is provided with a pushing assembly for pushing the moving base 205 to displace;

[0040] The dryer body 1 is provided with a second limiting assembly for limiting the movement of the support frame 203;

[0041] The pushing assembly comprises a second lead screw 2012 arranged inside the drying machine body 1, the second lead screw 2012 penetrates into the inside of the moving base 205, the outer wall of the second lead screw 2012 is sleeved with a limiting sliding cylinder 209, the limiting sliding cylinder 209 is threadedly connected with the second lead screw 2012, the limiting sliding cylinder 209 is fixedly connected with the moving base 205, a first servo motor 208 is installed at the end of the drying machine body 1 away from the sealing cover plate 3, the second lead screw 2012 is driven by the output end of the first servo motor 208, through the mutual cooperation of the first limiting assembly and the pushing assembly, the moving base 205 can be pushed to horizontally displace, and in this way, the multiple heat-conducting fins 5 can be horizontally taken out through the sealing cover plate 3 and the supporting frame 4.

[0042] In one embodiment, as shown in Figures 1-5 The lifting assembly comprises a first lead screw 2011 rotationally connected at the top end of the moving base 205, the first lead screw 2011 is rotationally connected with the supporting frame 203, the outer wall of the first lead screw 2011 is sleeved with a first lifting sleeve 201, the first lifting sleeve 201 is threadedly connected with the first lead screw 2011, the first lifting sleeve 201 is fixedly connected with the sealing cover plate 3, a second servo motor 2010 is installed at the top end of the supporting frame 203, the first lead screw 2011 is driven by the output end of the second servo motor 2010.

[0043] The moving base 205 is provided with a guiding assembly.

[0044] The guiding assembly comprises two first limiting rods 204 symmetrically and fixedly connected at the top end of the moving base 205, the first lead screw 2011 is located between the two first limiting rods 204, the two first limiting rods 204 are both fixedly connected with the supporting frame 203, the outer wall of the two first limiting rods 204 is both slidably sleeved with a second lifting sleeve 2013, the second lifting sleeve 2013 is fixedly connected with the sealing cover plate 3, through the mutual cooperation of the lifting assembly and the guiding assembly, the multiple heat-conducting fins 5 can be vertically lifted through the sealing cover plate 3 and the supporting frame 4, and in this way, the multiple heat-conducting fins 5 can be moved from a high place to a low place.

[0045] In one embodiment, as shown in Figures 1-4 The second limiting assembly comprises two telescopic pipes 202 symmetrically arranged at one end of the drying machine body 1, the two telescopic pipes 202 are both located inside the supporting frame 203, and the sealing cover plate 3 is located between the two telescopic pipes 202.

[0046] The telescopic pipe 202 comprises a connecting column fixedly connected to one end of the support frame 203, an outer wall of the connecting column being slidingly sleeved with a third sleeve, an outer wall of the third sleeve being slidingly sleeved with a second sleeve, an outer wall of the second sleeve being slidingly sleeved with a first sleeve, the first sleeve being fixedly connected to the dryer main body 1, the outer walls of the second sleeve, the third sleeve and the connecting column being integrally formed with a limiting ring, the first sleeve, the second sleeve and the third sleeve each being provided with a limiting sliding groove at a position where the limiting ring is located, and the support frame 203 can be moved and limited by the two telescopic pipes 202.

[0047] The above embodiment discloses a tunnel type hot air circulating dryer, wherein, in use, the material is conveyed by the conveying assembly 8, the dryer main body 1 and the fan are started, the material is dried, and the heat is recycled and circulated by the heat-conducting fins 5, the gas conveying pipe 6, the fixed cover 7 and the recovery box.

[0048] When the heat-conducting fins 5 need to be replaced, the first servo motor 208 is started to drive the second lead screw 2012 to rotate, the limiting sliding cylinder 209 is slidingly driven by the threads of the second lead screw 2012 along the inner wall of the dryer main body 1, and the moving base 205 is separated from the outer wall of the dryer main body 1, the moving base 205 is horizontally moved by the universal wheels, and is slidingly moved along the outer wall of the other limiting baffle 207, when the moving base 205 contacts the outer wall of one end of the other limiting baffle 207, the second limiting rod 206 is slidingly driven by the other limiting baffle 207 along the inner wall of the dryer main body 1, so that the movement of the moving base 205 is limited.

[0049] In this process, the support frame 203 is synchronously displaced by the first limiting rod 204 and the first lead screw 2011 driven by the moving base 205, the sealing cover plate 3 is synchronously moved by the plurality of heat-conducting fins 5 driven by the support frame 4, the first lead screw 2011 and the first limiting rod 204, and the telescopic pipe 202 is extended by the support frame 203, so that the plurality of heat-conducting fins 5 can be conveniently taken out and the movement of the support frame 203 is limited.

[0050] When the support frame 4 moves to the outside of one end of the dryer body 1, the first servo motor 208 is stopped and the second servo motor 2010 is started to drive the first lead screw 2011 to rotate, and at the same time, the first lifting sleeve 201 is driven by the threads of the first lead screw 2011 to drive the sealing cover plate 3 to vertically descend, at this time, the two second lifting sleeves 2013 are driven by the sealing cover plate 3 to slide along the outer walls of the two first limiting rods 204, respectively, and at the same time, the support frame 4 is driven by the sealing cover plate 3 to drive multiple heat-conducting fins 5 to synchronously descend, so as to conveniently replace the heat-conducting fins 5 that need to be replaced, and then reverse the above operation, the multiple heat-conducting fins 5 can be conveniently installed and fixed, so as to further improve the efficiency of replacing the heat-conducting fins 5.

[0051] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A tunnel type hot air circulation dryer, comprising a dryer body (1), one end of the dryer body (1) is provided with a sealing cover plate (3), one end of the sealing cover plate (3) is fixedly connected with a supporting frame (4), the supporting frame (4) penetrates to the inside of the dryer body (1), the supporting frame (4) is in sliding connection with the dryer body (1), the outer wall of the dryer body (1) is symmetrically provided with two fixed covers (7), the inside of each of the two fixed covers (7) is provided with a fan, the supporting frame (4) is located between the two fixed covers (7), a plurality of heat-conducting fins (5) are transversely and equidistantly in sliding connection with the supporting frame (4), characterized in that, The dryer main body (1) is provided with a replacement mechanism for conveniently replacing the heat-conducting fins (5); The replacement mechanism comprises a moving base (205) provided at one end of the dryer main body (1), the moving base (205) is located below the sealing cover plate (3), the bottom end of the moving base (205) is symmetrically provided with two groups of universal wheels, the end of the moving base (205) away from the dryer main body (1) is fixedly connected with a support frame (203), the support frame (203) is in the shape of L, and the sealing cover plate (3) is located on the inner side of the support frame (203); The dryer main body (1) is provided with a pushing assembly for pushing the moving base (205) to displace; The pushing assembly comprises a second lead screw (2012) provided in the dryer main body (1), the second lead screw (2012) penetrates into the inside of the moving base (205), the outer wall of the second lead screw (2012) is sleeved with a limiting sliding cylinder (209), the limiting sliding cylinder (209) is threadedly connected with the second lead screw (2012), the limiting sliding cylinder (209) is fixedly connected with the moving base (205), and the end of the dryer main body (1) away from the sealing cover plate (3) is provided with a first servo motor (208), and the second lead screw (2012) is driven by the output end of the first servo motor (208).

2. The through-flow drying machine according to claim 1, characterized in that The replacement mechanism further comprises a first limiting assembly provided on the dryer main body (1); The first limiting assembly comprises two second limiting rods (206) symmetrically and slidably connected in the dryer main body (1), both the second limiting rods (206) penetrate into the inside of the moving base (205) through the dryer main body (1), both the second limiting rods (206) are slidably connected with the moving base (205), the outer walls of both the second limiting rods (206) are symmetrically and fixedly connected with two limiting baffle plates (207), one limiting baffle plate (207) is slidably connected with the dryer main body (1), and the other limiting baffle plate (207) is slidably connected with the moving base (205); The moving base (205) is provided with a lifting assembly for driving the sealing cover plate (3) to lift; The dryer main body (1) is provided with a second limiting assembly for limiting the movement of the support frame (203).

3. A tunnel-type hot-air circulation dryer according to claim 2, wherein The lifting assembly comprises a first lead screw (2011) rotatably connected to the top end of the moving base (205), the first lead screw (2011) is rotatably connected with the support frame (203), the outer wall of the first lead screw (2011) is sleeved with a first lifting sleeve (201), the first lifting sleeve (201) is threadedly connected with the first lead screw (2011), the first lifting sleeve (201) is fixedly connected with the sealing cover plate (3), and the top end of the support frame (203) is provided with a second servo motor (2010), and the first lead screw (2011) is driven by the output end of the second servo motor (2010). The moving base (205) is provided with a guide assembly.

4. A through-flow drying machine according to claim 3, wherein The guide assembly comprises two first limiting rods (204) symmetrically and fixedly connected at the top end of the moving base (205), the first lead screw (2011) is located between the two first limiting rods (204), the two first limiting rods (204) are fixedly connected with the support frame (203), the outer wall of the two first limiting rods (204) is slidably sleeved with a second lifting sleeve (2013), and the second lifting sleeve (2013) is fixedly connected with the sealing cover plate (3).

5. The through-flowing hot-air circulation dryer according to claim 2, wherein The second limiting assembly comprises two telescopic pipes (202) symmetrically arranged at one end of the dryer main body (1), and the two telescopic pipes (202) are located on the inner side of the support frame (203).

6. A through-flow drying machine according to claim 5, wherein The telescopic pipe (202) comprises a connecting column fixedly connected at one end of the support frame (203), the outer wall of the connecting column is slidably sleeved with a third sleeve, the outer wall of the third sleeve is slidably sleeved with a second sleeve, the outer wall of the second sleeve is slidably sleeved with a first sleeve, the first sleeve is fixedly connected with the dryer main body (1), the outer walls of the second sleeve, the third sleeve and the connecting column are integrally formed with a limiting ring, and the first sleeve, the second sleeve and the third sleeve are provided with limiting sliding grooves for sliding of the limiting ring at the joint positions.

7. The through-flowing hot-air circulation dryer according to claim 1, wherein The dryer main body (1) is provided with a gas conveying pipe (6), two fixed covers (7) are fixedly connected at both ends of the gas conveying pipe (6), a recovery box is installed at the top end of the dryer main body (1), the recovery box is fixedly connected to the outer wall of the gas conveying pipe (6), a conveying assembly (8) is installed on the dryer main body (1), and the conveying assembly (8) is located below the support frame (4).

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