A multi-layer food baking tunnel oven

Abstract

The application provides a multi-layer food baking tunnel furnace, which comprises a frame, guide rails, a chain, a bracket and sprockets, the guide rails are fixedly arranged on the frame, the guide rails comprise horizontal guide rails and vertical guide rails; the sprockets are rotationally connected with rotating shafts fixedly arranged on the frame, a plurality of sprockets are arranged along the horizontal direction and the vertical direction of the frame respectively; the chain is transmissionally connected with the sprockets, and the chain is driven to move by the rotation of the sprockets; the bracket comprises a cross beam and supporting plates arranged at two ends of the cross beam, transmission rollers and guide rollers are arranged on the supporting plates, the transmission rollers are fixedly connected with the chain, and the guide rollers can abut against the guide rails; the turning motion structure can drive the bracket to move along the vertical direction or the horizontal direction through the transmission of the sprockets and the chain, the guide rollers can ensure the stable movement of the bracket on the guide rails, prevent the baking tray from overturning, realize the multi-layer baking of food in the vertical direction, and improve the baking efficiency of the tunnel furnace.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of food processing equipment, in particular to a multi-layer food baking tunnel oven. BACKGROUND

[0002] The existing baking tunnel oven is small in size, and the food is transported by a single-layer conveying belt, and the food is baked during the transportation process. However, the transportation and baking mode has low working efficiency, the number of food baked at a time is limited, thereby affecting the food processing efficiency, and the energy consumption is large. If the number of baked food is increased, the length of the conveying belt needs to be extended to support more food to be baked. Therefore, how to improve the baking efficiency of the tunnel oven without expanding the volume of the tunnel oven is a technical problem to be solved by the person skilled in the art. SUMMARY

[0003] Therefore, the technical problem to be solved by the present application is how to improve the baking efficiency of the tunnel oven without expanding the volume of the tunnel oven.

[0004] To achieve the above-mentioned purpose, the present application provides a turning motion structure, which comprises a frame, a guide rail, a chain, a bracket and a sprocket, wherein two groups of the frame are arranged opposite to each other in the vertical direction; the guide rail is fixedly arranged on the frame, and the guide rail comprises a horizontal guide rail and a vertical guide rail; the sprocket is rotationally connected with a rotating shaft fixedly arranged on the frame, and a plurality of sprockets are arranged along the horizontal direction and the vertical direction of the frame, respectively; the chain is connected in transmission with the sprocket, and the chain is driven to move by the rotation of the sprocket; the bracket comprises a cross beam and a bracket plate arranged at both ends of the cross beam, a transmission roller and a guide roller are arranged on the bracket plate, the transmission roller is fixedly connected with the chain, and the guide roller can abut on the guide rail.

[0005] The present application also provides a turning motion structure and a multi-layer food baking tunnel oven, which comprises the turning motion structure provided in the above content, and further comprises a baking chamber formed by surrounding the heat preservation plate, a heat insulation plate is arranged in the baking chamber, the heat insulation plate is arranged in the horizontal direction, the baking chamber is divided into a plurality of layers in the vertical direction by the heat insulation plate, and the baking tray is moved in the plurality of layers by the turning motion structure.

[0006] Compared with the related art, the application provides a turning motion structure and a multi-layer food baking tunnel furnace, which comprises a frame, a guide rail, a chain, a bracket and a sprocket, wherein two groups of frames are arranged opposite to each other in the vertical direction; the guide rail is fixedly arranged on the frame, and the guide rail comprises a horizontal guide rail and a vertical guide rail; the sprocket is rotationally connected to a rotating shaft fixedly arranged on the frame, and a plurality of sprockets are arranged along the horizontal direction and the vertical direction of the frame respectively; the chain is connected in transmission with the sprocket, and the chain is driven to move by the rotation of the sprocket; the bracket comprises a cross beam and a bracket plate arranged at both ends of the cross beam, the bracket plate is provided with a transmission roller and a guide roller, the transmission roller is fixedly connected with the chain, and the guide roller can abut on the guide rail; the turning motion structure can drive the bracket to move in the vertical or horizontal direction through the transmission of the sprocket and the chain, and the guide roller can ensure the stable movement of the bracket on the guide rail, thereby preventing the baking tray from overturning, so that the movement of the baking tray in the horizontal and vertical directions in the baking tunnel furnace can be realized, the multi-layer baking of food in the vertical direction can be realized, and the baking efficiency of the tunnel furnace can be effectively improved without increasing the volume of the baking tunnel furnace. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 FIG. 1 is a schematic view of a turning motion structure in an embodiment of the application;

[0008] Figure 2 FIG. 2 is an enlarged schematic view of the turning motion structure at A in the embodiment of the application;

[0009] Figure 3 FIG. 3 is an enlarged schematic view of the turning motion structure at B in the embodiment of the application

[0010] Figure 4 FIG. 4 is a schematic view of a multi-layer food baking tunnel furnace in the embodiment of the application. DETAILED DESCRIPTION

[0011] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0012] Embodiment 1

[0013] Please refer to Figures 1-4 FIG. 1, the application provides a turning motion structure 1, which comprises a frame 10, a guide rail 20, a chain 31, a bracket 40 and a sprocket 32.

[0014] The two groups of frames 10 are arranged opposite to each other in the vertical direction, and the bracket 40 is located between the two groups of frames 10, and the frame 10 connects the guide rail 20, the chain 31 and the sprocket 32.

[0015] The guide rail 20 is fixedly arranged on the frame 10, and the guide rail 20 comprises a horizontal guide rail 21 and a vertical guide rail 22, thereby realizing the movement guidance of the bracket 40 in the horizontal direction and the vertical direction.

[0016] The sprocket wheel 32 is rotationally connected with the rotating shaft 11 fixedly arranged on the frame 10, a plurality of sprocket wheels 32 are arranged along the horizontal direction and the vertical direction of the frame 10 respectively, the chain 31 is connected with the sprocket wheel 32 in transmission, the chain 31 is driven to move by the rotation of the sprocket wheel 32, wherein the sprocket wheel 32 can be driven by the driving motor and serves as the driving wheel to drive, and the other sprocket wheels 32 serve as the driven wheels and rotate under the transmission of the chain 31.

[0017] Optionally, the chain 31 is a hollow pin shaft chain, the tooth rim of the sprocket wheel 32 can be accommodated in the pin shaft gap of the chain 31, the rotation of the sprocket wheel 32 drives the chain 31 to move, the connecting shaft 45 for connecting the transmission roller 43 is inserted into the pin shaft of the chain 31 and fixed with the pin shaft, thereby realizing the fixed connection between the transmission roller 43 and the chain 31.

[0018] The bracket 40 includes the cross beam 41 and the supporting plates 42 arranged at both ends of the cross beam 41, the transmission roller 43 and the guide roller 44 are arranged on the supporting plates 42, the transmission roller 43 and the guide roller 44 are connected with the supporting plates 42 through the connecting shaft 45, and the connecting shaft 45 is arranged perpendicularly to the supporting plates 42.

[0019] Specifically, the guide roller includes the horizontal guide roller 441 and the vertical guide roller 442, the horizontal guide roller 441 can move along the horizontal guide rail, the vertical guide roller 442 can move along the vertical guide rail, the transmission roller is located between the two horizontal guide rollers 441, and the transmission roller and the two guide rollers are arranged at intervals in the horizontal direction. Thus, it can be ensured that the transmission roller 43 has the horizontal guide roller 441 on both sides thereof to play a guiding or supporting role, thereby ensuring the movement stability of the bracket 40, and the vertical guide roller 442 arranged can provide a guiding or supporting role for the bracket 40 in the vertical direction, thereby ensuring the movement stability of the bracket 40.

[0020] The transmission roller 43 is fixedly connected with the chain 31, and the transmission roller 43 is driven to move by the movement of the chain 31, thereby realizing the movement of the bracket 40 in the vertical or horizontal direction, and the guide roller 44 can abut against the guide rail 20. Specifically, the horizontal guide rail 21 can support the chain 31 and the horizontal guide roller 441, so as to ensure the smooth movement of the bracket 40 and reduce the load borne by the chain 31, and the vertical guide rail 22 can abut against the vertical guide roller 442, thereby ensuring the straightness of the movement in the vertical direction.

[0021] The supporting frame 46 is fixedly arranged on the cross beam 41, and the supporting frame 46 is used for supporting the baking tray. The end portion of the supporting frame 46 is provided with the limiting column 47, the limiting column 47 is connected perpendicularly with the supporting frame 46, and the vertically arranged limiting column 47 can limit the placement position of the baking tray supported on the supporting frame 46. A plurality of supporting frames 46 are arranged at intervals along the length direction of the cross beam 41, thereby ensuring the uniformity of the heating of the baking tray.

[0022] Embodiment 2

[0023] Reference Figure 4 As shown in the figure, the embodiment provides a multi-layer food baking tunnel furnace, which comprises the turning motion structure 1 provided in the embodiment 1, and further comprises a conveying belt 2, an output belt 3, a hydraulic cylinder 4 and a fixed plate 5.

[0024] A baking chamber 6 is formed by the heat insulation plates 61, the turning motion structure 1, the hydraulic cylinder 4 and the fixed plate 5 are accommodated in the baking chamber 6, a heat insulation plate 62 is arranged in the baking chamber 6, the heat insulation plate 62 is arranged in the horizontal direction, the baking chamber 6 is divided into a plurality of multi-layer channels 63 in the vertical direction by the heat insulation plate 62, and the baking tray is driven by the turning motion structure 1 to move in the horizontal direction or the vertical direction in the multi-layer channel 63, wherein the skilled in the art can select the arrangement position of the frame, the sprocket and the chain in the baking chamber 6 according to the arrangement of the multi-layer channel 63, so that the carrier moves through the multi-layer channel 63 under the transmission guidance of the sprocket and the chain to realize multi-layer baking of food.

[0025] The conveying belt 2 is located at the input end of the baking chamber 6, the output belt 3 is located at the output end of the baking chamber 6, a conveying tray 7 is arranged at the input end of the baking chamber 6, and an output tray 8 is arranged at the output end of the baking chamber 6, the baking tray can be supported on the conveying belt 2 and the conveying tray 7, and the output belt 3 and the output tray 8, and the movement of the baking tray in the tunnel furnace is realized by the driving unit 6.

[0026] The conveying belt 2 is arranged in the horizontal direction and spaced from the conveying tray 7, and the gap between the conveying belt 2 and the conveying tray 7 is a first gap, in order to ensure that the cross beam 41 in the turning motion structure 1 can pass smoothly, the first gap is at least greater than the width dimension of the cross beam 41 so that the cross beam 41 moves through the first gap.

[0027] Specifically, the baking tray is conveyed to the input end of the baking chamber 6 through the conveying belt 2, the baking tray is supported by the conveying belt 2 and the conveying tray 7, when the cross beam 41 moves through the first gap, the conveying belt 2 and the conveying tray 7 are located between the adjacent support frames 42, that is, when the baking tray is conveyed to the conveying tray 7 by the conveying belt 2, the carrier 40 moves to support the baking tray, when the cross beam 41 moves upward through the first gap, the conveying belt 2 and the conveying tray 7 pass through the adjacent two support frames 42 and are supported by the adjacent two support frames 42, and the baking tray moves in the horizontal direction and the vertical direction under the driving of the sprocket 32 and the chain 31.

[0028] The output belt 3 is arranged in the horizontal direction and spaced from the output tray 8, and the gap between the output belt 3 and the output tray 8 is a second gap, in order to ensure that the cross beam 41 in the turning motion structure 1 can pass smoothly, the second gap is at least greater than the width dimension of the cross beam 41 so that the cross beam 41 moves through the second gap.

[0029] Specifically, the baking tray is conveyed to the input end of the baking chamber 6 via the conveying belt 2, and the baking tray is supported by the output belt 3 and the output support plate 8, when the cross beam 41 moves via the second gap, the conveying belt 2 and the conveying support plate 7 are located between the adjacent support frames 42, that is, when the cross beam 41 moves downward via the second gap, the output belt 3 and the output support plate 8 pass through the adjacent two support frames 42, so that the baking tray supported by the adjacent two support frames 42 is supported by the output belt 3 and the output support plate 8, the adjacent two support frames 42 are separated from the baking tray, and the unloading action of the baking tray is realized.

[0030] The hydraulic cylinder 4 is fixedly arranged in the baking chamber 6, the end of the hydraulic cylinder 4 is fixedly connected with the fixed plate 5, the support protrusion is arranged on the fixed plate 5, the fixed plate 5 is driven to move by the hydraulic cylinder 4, in order to ensure the stability of the movement of the fixed plate 5, the guide groove is arranged on the bottom of the fixed plate 5, the fixed plate 5 moves along the guide groove under the driving of the hydraulic cylinder 4, thereby ensuring the stability of the movement of the fixed plate 5, the support protrusion is connected with the chain 31, the chain 31 is supported by the support protrusion, so as to prevent the connection between the chain 31 and the sprocket 32 from loosening after being heated, and ensure the stability of the connection between the chain 31 and the sprocket 32.

[0031] In summary, the present application provides a turning motion structure and a multi-layer food baking tunnel furnace, which comprises a frame, a guide rail, a chain, a bracket and a sprocket, wherein two groups of frames are arranged opposite to each other in the vertical direction; the guide rail is fixedly arranged on the frame, and the guide rail comprises a horizontal guide rail and a vertical guide rail; the sprocket is rotatably connected with a rotating shaft fixedly arranged on the frame, and a plurality of sprockets are arranged along the horizontal direction and the vertical direction of the frame, respectively; the chain is connected with the sprocket in transmission, and the chain is driven to move by the rotation of the sprocket; the bracket comprises a cross beam and a support plate arranged at both ends of the cross beam, and a transmission roller and a guide roller are arranged on the support plate; the transmission roller is fixedly connected with the chain, and the guide roller can abut against the guide rail; the turning motion structure can drive the bracket to move in the vertical or horizontal direction through the transmission of the sprocket and the chain, and the movement of the bracket on the guide rail is stable through the guide roller, so as to prevent the baking tray from overturning, thereby realizing the movement in the horizontal and vertical directions in the baking tunnel furnace, realizing the multi-layer baking of food in the vertical direction, and effectively improving the baking efficiency of the tunnel furnace without increasing the volume of the baking tunnel furnace.

[0032] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A multi-layer food baking tunnel oven, characterized in that, The device includes a turning mechanism and a baking chamber enclosed by an insulation board. An insulation board is installed within the baking chamber, positioned horizontally. This insulation board divides the baking chamber vertically into multiple channels. The turning mechanism drives the baking tray to move within these multiple channels. The turning mechanism includes a frame, guide rails, a chain, a bracket, and a sprocket. The two sets of frames are arranged opposite each other along the vertical direction; The guide rail is fixedly mounted on the frame, and the guide rail includes a horizontal guide rail and a vertical guide rail; The sprocket is rotatably connected to a rotating shaft fixed on the frame, and the plurality of sprockets are respectively arranged along the horizontal and vertical directions of the frame; The chain is connected to the sprocket drive, and the chain moves as the sprocket rotates. The chain is a hollow pin chain, and the tooth edge of the sprocket can be accommodated in the gap of the pin in the chain. The rotation of the sprocket is driven by the tooth edge to move the chain. The connecting shaft for connecting the transmission roller is inserted into the pin of the chain and the connecting shaft is fixed to the pin. The bracket includes a crossbeam and support plates disposed at both ends of the crossbeam. The support plates are equipped with drive rollers and guide rollers. The drive rollers are fixedly connected to the chain, and the guide rollers abut against the guide rail. The drive rollers and guide rollers are connected to the support plates via a connecting shaft perpendicular to the support plates. The guide rollers include horizontal guide rollers and vertical guide rollers. The horizontal guide rollers are movable along the horizontal guide rail, and the vertical guide rollers are movable along the vertical guide rail. The drive rollers are located between the two horizontal guide rollers, and the drive rollers and the two guide rollers are spaced apart in the horizontal direction.

2. The multi-layer food baking tunnel oven as described in claim 1, characterized in that, It also includes a conveyor belt, an output belt, a hydraulic cylinder, a fixed plate, and a drive unit. The conveyor belt is located at the input end of the baking chamber, the output belt is located at the output end of the baking chamber, a conveyor tray is provided at the input end of the tunnel oven, and an output tray is provided at the output end of the tunnel oven.

3. The multi-layer food baking tunnel oven as described in claim 2, characterized in that, The hydraulic cylinder is fixedly installed in the baking chamber. A fixed plate is fixedly connected to the end of the hydraulic cylinder. A support protrusion is provided on the fixed plate. The fixed plate is moved by the hydraulic cylinder. The support protrusion is connected to the chain.

4. The multi-layer food baking tunnel oven as described in claim 1, characterized in that, A support frame is fixedly installed on the crossbeam. The support frame is used to support the baking tray. A limiting post is provided at the end of the support frame. The limiting post is perpendicularly connected to the support frame.

5. The multi-layer food baking tunnel oven as described in claim 1, characterized in that, The horizontal guide rail can support the chain and the guide roller.

6. The multi-layer food baking tunnel oven as described in claim 4, characterized in that, Multiple support frames are spaced apart along the length of the crossbeam.

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