Tunnel furnace for baking

By adopting a detachable threaded gas head and an independently maintainable infrared baking lamp design in the tunnel oven, the problem of inconvenient maintenance of existing tunnel ovens has been solved, achieving efficient maintenance and repair, and improving baking efficiency and continuity.

CN224098590UActive Publication Date: 2026-04-10HUAIBEI KERIDA FOOD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUAIBEI KERIDA FOOD CO LTD
Filing Date
2025-05-14
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing tunnel ovens have an integrated structure for the infrared baking lamps and nozzles, which makes maintenance inconvenient and reduces baking efficiency due to downtime for maintenance.

Method used

It adopts a detachable threaded air head and an independently inspectable infrared baking lamp design, combined with a blower and transmission system, to achieve individual inspection and maintenance, avoiding downtime.

Benefits of technology

It improved maintenance efficiency, reduced downtime, lowered maintenance costs, and enhanced the continuity and efficiency of food baking.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224098590U_ABST
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Abstract

The utility model relates to a tunnel furnace for baking, which belongs to the technical field of tunnel furnaces and comprises a tunnel furnace body, a mounting groove is arranged at the top of the tunnel furnace body, a plurality of mounting plates are arranged in the mounting groove, hinges are arranged on one sides of the mounting plates, and the mounting plates are connected with the tunnel furnace body through the hinges. And infrared baking lamps are fixedly mounted at the bottom of the mounting plate at equal intervals. The beneficial effects of the utility model lie in that a worker can uncover the corresponding mounting plate according to the working state of the infrared baking lamp, so that the damaged infrared baking lamp can be conveniently and independently overhauled and maintained, during the period, the infrared baking lamps mounted on other mounting plates are not influenced, halfway shutdown is also not needed, and the working efficiency is improved. And the maintenance efficiency can be improved, through the arrangement of the detachable thread type air head, workers can conveniently and independently replace the damaged thread type air head, and the cost problem caused by overall replacement is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel furnace technical field, especially a kind of tunnel furnace for baking. BACKGROUND

[0002] Tunnel furnace (food processing) is through the conduction of heat, convection, radiation completes food baking tunnel type mechanical equipment, baking chamber is a long and narrow tunnel, there is a continuous operation of conveying system in tunnel, when food is baked, food generates relative motion between conveying chain plate, steel band or net band and electric heating element or direct combustion combustion rod, to complete uniform baking and the work of delivery, this kind of oven can continuous production, production efficiency is high, saves manpower, and baking quality is stable.

[0003] Through the search, China patent discloses a kind of baking tunnel furnace that can be heated uniformly (grant announcement number CN216821465U), including base and upper frame, wherein upper frame is set on the top of base, the upper frame is inverted U type structure, wherein the both ends of upper frame are fixed on base, the top of base is driven and is provided with conveyor belt, wherein gap is left between conveyor belt and upper frame;The inner side top wall of the upper frame is equipped with infrared baking lamp and multiple groups of air outlet components, the patent technology can be heated and baked by setting infrared baking lamp and multiple groups of air outlet components in tunnel furnace, wherein infrared baking lamp is set into circuitous structure, and is divided on upper frame, while multiple groups of air outlet components are equidistantly staggered and divided between infrared baking lamp, infrared baking lamp can heat and bake food in tunnel furnace, and baking is more thorough, while air blower in air outlet component blows wind to tunnel furnace through spray head, hot air can be blown to food, accelerate heat flow and circulation, in turn accelerate the efficiency of baking.

[0004] But the above-mentioned device still has some shortcomings in actual use, more obvious is that the infrared baking lamp and spray head in the above-mentioned tunnel furnace are integral structure, in the process of routine maintenance and maintenance, staff needs to shut down tunnel furnace, and body is explored into furnace, so that the maintenance mode is more inconvenient, and shutdown standby production is easy to affect the baking efficiency of food. UTILITY MODEL CONTENTS

[0005] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a kind of tunnel furnace for baking.

[0006] The utility model discloses a technical scheme is such: a kind of tunnel furnace for baking, including tunnel furnace body, the top of the tunnel furnace body is equipped with mounting slot, several mounting plates are placed in the inside of the mounting slot, the side of the mounting plate is all provided with hinge, it is connected through hinge between the mounting plate and tunnel furnace body, the bottom of the mounting plate is all equidistant fixed mounting infrared baking lamp, the top of the inner wall of the tunnel furnace body is fixedly connected with gas supply pipe, the bottom of the gas supply pipe is arrayed with mounting pipe, the inside of the mounting pipe is all provided with internal thread, the threaded portion of the mounting pipe is all threadedly connected with threaded air head, the inside of the gas supply pipe is fixedly installed with several heating coils.

[0007] By adopting the above technical scheme, the staff can uncover the corresponding mounting plate according to the working state of the infrared baking lamp, thereby facilitating individual repair and maintenance of the damaged infrared baking lamp. During this period, the infrared baking lamps installed on other mounting plates are not affected, and there is no need to stop the machine, and the repair efficiency can be improved.

[0008] As a preferred embodiment, the infrared baking lamp is arranged between the two rows of threaded air heads, and the outer side of the tunnel furnace body is fixedly connected with two mounting racks. The mounting racks are rotatably installed between the two mounting racks.

[0009] By adopting the above technical scheme, the use of the mounting rack and the transmission roller enables food to enter the baking area, avoiding burns caused by the staff's hands entering the tunnel furnace body.

[0010] As a preferred embodiment, the outer side of the tunnel furnace body is fixedly connected with a mounting seat, the top of the mounting seat is fixedly installed with a blower, and the output end of the blower extends into the inside of the tunnel furnace body and is fixedly connected with the gas supply pipe.

[0011] By adopting the above technical scheme, the use of the blower enables a large amount of external air to be drawn into the gas supply pipe, thereby increasing the flow speed of the air.

[0012] As a preferred embodiment, two rotating rollers are rotatably connected inside the tunnel furnace body, and a conveying belt is transmissionally connected between the two rotating rollers.

[0013] By adopting the above technical scheme, the rotation of the rotating roller enables the conveying belt to rotate, thereby enabling multiple foods to be conveyed into the tunnel furnace body for baking operation.

[0014] As a preferred embodiment, a servo motor is fixedly installed on the outer side of the tunnel furnace body, and the output shaft of the servo motor extends into the inside of the tunnel furnace body and is fixedly connected with one of the rotating rollers.

[0015] By adopting the technical scheme, the rotation of the output shaft of the servo motor can drive the rotating roller to rotate, thereby realizing power transmission.

[0016] As a preferred implementation form, the top end of the mounting plate is fixedly connected with a handle, and one side of the tunnel furnace body is provided with a discharge port.

[0017] By adopting the technical scheme, the handle is arranged to facilitate the rotation of the mounting plate.

[0018] As a preferred implementation form, the bottom of the tunnel furnace body is fixedly provided with supporting feet at four corners.

[0019] By adopting the technical scheme, the supporting feet are arranged to make the whole device more stable during use.

[0020] As a preferred implementation form, the outer side of the tunnel furnace body is fixedly provided with a controller, and the air blower, the servo motor, the infrared baking lamp and the heating coil are electrically connected with the controller.

[0021] By adopting the technical scheme, the controller can control the start and stop of the air blower, the servo motor, the infrared baking lamp and the heating coil.

[0022] Compared with the prior art, the advantages and positive effects of the utility model lie in,

[0023] 1. In the utility model, the staff can uncover the corresponding mounting plate according to the working state of the infrared baking lamp, thereby facilitating the individual repair and maintenance of the damaged infrared baking lamp, without affecting the infrared baking lamps installed on other mounting plates during this period, without the need to stop the machine, and improving the repair efficiency, and the threaded air head is provided in a detachable threaded manner, so that the staff can individually replace the damaged threaded air head, avoiding the cost problem caused by overall replacement.

[0024] 2. In the utility model, the use of the air blower can draw a large amount of external air into the air supply pipe, and under the heating condition of the heating coil, the threaded air head can be used to conveniently heat the food on the conveying belt. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1 The utility model provides a kind of overall perspective view of tunnel furnace for baking;

[0026] Fig. 2 The utility model provides a kind of internal structure schematic view of tunnel furnace for baking;

[0027] Fig. 3The utility model provides a kind of heating coil structure schematic diagram of tunnel furnace for baking.

[0028] Legend: 1, tunnel furnace body;2, mounting groove;3, mounting plate;4, hinge;5, transmission roller;6, controller;7, mounting seat;8, air blower;9, servo motor;10, conveying belt;11, rotating roller;12, air supply pipe;13, infrared baking lamp;14, heating coil;15, threaded air head;16, mounting pipe;17, internal thread. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] REFERENCE Figs. 1-3 A kind of tunnel furnace for baking, including tunnel furnace body 1, the top of tunnel furnace body 1 is equipped with mounting groove 2, several mounting plates 3 are placed in the inside of mounting groove 2, hinge 4 is arranged in the side of mounting plate 3, mounting plate 3 is connected between tunnel furnace body 1 by hinge 4, the bottom of mounting plate 3 is equally spaced and fixedly installed with infrared baking lamp 13, the top end of the inner wall of tunnel furnace body 1 is fixedly connected with air supply pipe 12, the bottom end of air supply pipe 12 is arrayed with mounting pipe 16, internal thread 17 is arranged in the inside of mounting pipe 16, threaded air head 15 is threadedly connected to the threaded portion of mounting pipe 16, several heating coils 14 are fixedly installed in the inside of air supply pipe 12, when infrared baking lamp 13 is overhauled or maintained, staff can uncover corresponding mounting plate 3 according to the working state of infrared baking lamp 13, to facilitate the individual overhaul and maintenance of damaged infrared baking lamp 13, during which, it will not cause influence to infrared baking lamp 13 installed on other mounting plate 3, and it is not necessary to stop in the middle, and can improve the repair efficiency, and by threaded threaded air head 15 setting, staff can individually replace damaged threaded air head 15, avoid the cost problem caused by overall replacement.

[0031] Specific, infrared baking lamp 13 is arranged between the two rows of threaded air head 15, the outside of the tunnel furnace body 1 is fixedly connected with two mounting racks, a plurality of transmission rollers 5 are rotatably installed between the two mounting racks, through the use of the mounting rack and the transmission roller 5, the food can enter the baking area, avoiding the staff's hands into the tunnel furnace body 1 to cause scald, the outside of the tunnel furnace body 1 is fixedly connected with a mounting seat 7, the top of the mounting seat 7 is fixedly installed with a blower 8, through the use of the blower 8, a large amount of external air can be sucked into the air pipe 12 to improve the flow speed of the air and accelerate the heating efficiency of the food, the output end of the blower 8 extends to the inside of the tunnel furnace body 1 and is fixedly connected with the air pipe 12, two rotating rollers 11 are rotatably connected inside the tunnel furnace body 1, and a conveying belt 10 is transmissionally connected between the two rotating rollers 11, through the rotation of the rotating roller 11, the conveying belt 10 can be driven to rotate, so that a plurality of foods can be conveyed into the tunnel furnace body 1 for baking operation.

[0032] Specific, the outside of the tunnel furnace body 1 is fixedly installed with a servo motor 9, the output shaft of the servo motor 9 extends to the inside of the tunnel furnace body 1 and is fixedly connected with one of the rotating rollers 11, through the rotation of the output shaft of the servo motor 9, the rotating roller 11 can be driven to rotate, thereby realizing power transmission, the top of the mounting plate 3 is fixedly connected with a handle, so as to drive the mounting plate 3 to rotate, one side of the tunnel furnace body 1 is provided with a discharge port, the four corners of the bottom of the tunnel furnace body 1 are fixedly installed with supporting feet, so that the whole device is more stable during use, the outside of the tunnel furnace body 1 is fixedly installed with a controller 6, the blower 8, the servo motor 9, the infrared baking lamp 13 and the heating coil 14 are electrically connected with the controller 6, through the controller 6, the blower 8, the servo motor 9, the infrared baking lamp 13 and the heating coil 14 can be controlled to start and stop.

[0033] Working principle: first, the staff can install high temperature explosion-proof camera in the tunnel furnace body 1, to the working state of each infrared baking lamp 13 in the tunnel furnace body 1 flicker, bright and dark, when the infrared baking lamp 13 is maintained or maintained, the staff can according to the working state of infrared baking lamp 13 to uncover the corresponding mounting plate 3, and then facilitate the individual repair and maintenance of damaged infrared baking lamp 13, during which, will not cause influence to the infrared baking lamp 13 installed on other mounting plate 3, without stopping, immediately, through the controller 6 control servo motor 9 start, through the rotation of the output shaft of servo motor 9, can drive the rotating roller 11 to rotate, can drive the transmission belt 10 to rotate, so as to be able to transport a plurality of food into the tunnel furnace body 1 for baking operation, at the same time, through the use of air blower 8, a large amount of external air can be sucked into the air pipe 12, and under the heating condition of heating coil 14, using screw type air head 15 can facilitate the heating operation of the food on the conveying belt 10, while the detachable screw type air head 15 is provided, which facilitates the staff to replace the damaged screw type air head 15 individually, avoiding the cost problem caused by the overall replacement.

[0034] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "installation", "provided with", "connection" and the like should be understood broadly, for example, "connection", which can be fixed connection, or detachable connection, or integral connection, which can be mechanical connection, or electrical connection, which can be directly connected, or indirectly connected through intermediate medium, which can be the communication between two elements, for those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0035] The above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A tunnel oven for baking, comprising a tunnel oven body (1), characterized in that: The top of the tunnel furnace body (1) is provided with a mounting groove (2), a plurality of mounting plates (3) are placed in the mounting groove (2), one side of the mounting plate (3) is provided with a hinge (4), the mounting plate (3) and the tunnel furnace body (1) are connected through the hinge (4), the bottom of the mounting plate (3) is fixedly installed with an infrared baking lamp (13) at equal intervals, and the top end of the inner wall of the tunnel furnace body (1) is fixedly connected with a gas supply pipe (12); The bottom end of the gas supply pipe (12) is provided with an installation pipe (16), the inside of the installation pipe (16) is provided with an internal thread (17), the threaded part of the installation pipe (16) is threadedly connected with a threaded air head (15), and the inside of the gas supply pipe (12) is fixedly installed with a plurality of heating coils (14).

2. A tunnel oven for baking according to claim 1, characterized in that: The infrared baking lamp (13) is arranged between the two rows of threaded air heads (15), the outer side of the tunnel furnace body (1) is fixedly connected with two mounting frames, and a plurality of transmission rollers (5) are rotatably installed between the two mounting frames.

3. A tunnel oven for baking according to claim 2, characterized in that: The outer side of the tunnel furnace body (1) is fixedly connected with a mounting seat (7), the top of the mounting seat (7) is fixedly installed with a blower (8), and the output end of the blower (8) extends into the inside of the tunnel furnace body (1) and is fixedly connected with the gas supply pipe (12).

4. A tunnel oven for baking according to claim 3, characterized in that: The inside of the tunnel furnace body (1) is rotatably connected with two rotating rollers (11), and the transmission belt (10) is transmissionally connected between the two rotating rollers (11).

5. A tunnel oven for baking according to claim 4, characterized in that: The outer side of the tunnel furnace body (1) is fixedly installed with a servo motor (9), and the output shaft of the servo motor (9) extends into the inside of the tunnel furnace body (1) and is fixedly connected with one of the rotating rollers (11).

6. A tunnel oven for baking according to claim 1, characterized in that: The top of the mounting plate (3) is fixedly connected with a handle, and one side of the tunnel furnace body (1) is provided with a discharge port.

7. A tunnel oven for baking according to claim 1, characterized in that: The four corners of the bottom of the tunnel furnace body (1) are fixedly installed with supporting feet.

8. A tunnel oven for baking according to claim 5, characterized in that: The outer side of the tunnel furnace body (1) is fixedly installed with a controller (6), and the blower (8), the servo motor (9), the infrared baking lamp (13) and the heating coil (14) are electrically connected with the controller (6).