Tunnel oven for quick-freezing sesame seed cakes

Abstract

The utility model relates to the technical field of tunnel ovens, and discloses a tunnel oven for quick-frozen sesame seed cakes, which comprises oppositely arranged conveying frames, a conveying belt arranged between the two conveying frames, fixed plates arranged on one side walls of the conveying frames, a slidable sliding plate arranged between the two fixed plates, and a detachable dismounting plate arranged on the sliding plate. A movable scraping plate is arranged on the dismounting plate, and a lifting assembly is arranged on the sliding plate; a base is arranged between the two fixing plates, and a shaking assembly is arranged on the base; a heating assembly is arranged on the conveying frame. Through the structure, the lifting assembly on the sliding plate drives the dismounting and mounting plate to drive the scraping plate to move upwards, the upper end face of the scraping plate abuts against the conveying belt, and when the conveying belt is used for conveying, the scraping plate can remove cooked sesame seed cakes left on the conveying belt; and workers do not need to manually clean the cooked sesame seed cakes left on the conveying belt, so that the cooked sesame seed cakes are convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel oven technical field, concretely relates to a tunnel oven for quick frozen sesame seed cake. BACKGROUND

[0002] The tunnel oven is a kind of equipment that sesame seed cake is heated and baked by the way of hot air circulation, and its working principle is that heat is generated by heating system, hot air is sent into tunnel by fan, and hot air circulation is formed;When using, sesame seed cake is placed on the conveying belt, and sesame seed cake passes through tunnel at uniform speed along with the movement of conveying belt, and sesame seed cake is processed into mature sesame seed cake after passing through tunnel completely.

[0003] For example, the patent with the announcement number CN218604777U discloses a kind of tunnel oven for food, although the tunnel oven for food can rotate oven body to eliminate the smell inside, food can be turned over and baked by the top plate and bottom plate of net plate structure, realize uniform heating, effectively save energy;But the tunnel oven for food in actual use, when food on conveying belt is baked, worker needs to take baked food from conveying belt, at this time, part of food on conveying belt can be stuck, worker needs to clean food stuck on conveying belt, it is inconvenient to use, so it needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of tunnel oven for quick frozen sesame seed cake to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of tunnel oven for quick frozen sesame seed cake, including the conveying frame of relative arrangement, conveying belt is equipped between the two conveying frames, fixed plate is equipped on the side wall of conveying frame, slidable sliding plate is equipped between the two fixed plates, detachable dismounting plate is equipped on sliding plate, movable scraper is equipped on dismounting plate, lifting assembly is equipped on sliding plate, and lifting assembly is used to drive dismounting plate to adjust height;

[0007] Base is equipped between the two fixed plates, and shaking assembly is equipped on base, and shaking assembly is used to drive sliding plate to shake continuously;

[0008] Heating assembly is equipped on conveying frame, and heating assembly is used to heat sesame seed cake on conveying belt.

[0009] Preferably, the upper end surface of sliding plate is equipped with opposite support plates, the upper end surface of support plate is equipped with insertion hole, and the lower end surface of dismounting plate and the both ends are equipped with plug-in block, one end of which is inserted into corresponding insertion hole.

[0010] Preferably, the lifting assembly comprises a lifting plate arranged between the two support plates and slidable, the upper end face of the lifting plate is provided with opposite lifting rods penetrating the dismounting plate, the lifting rods are both sleeved with lifting rings for the dismounting plate to lap, the lifting plate is lifted for driving the lifting rings to lift, so that the lifting rings drive the dismounting plate to lift, and the sliding plate is further provided with a lifting piece for driving the lifting plate to lift.

[0011] Preferably, the support plates are both provided with a limiting block inserted into the lifting plate at one end, the lower end face of the lifting plate is provided with a lifting block, the lifting block is provided with a first inclined surface, and the upper end face of the sliding plate is provided with a clamping block.

[0012] The lifting piece comprises a threaded rod arranged between the two support plates and rotatable, the threaded rod is threadedly sleeved with a driving block, the lower end face of the driving block is provided with a clamping groove for the clamping block to clamp, the driving block is provided with a second inclined surface matched with the first inclined surface, and the threaded rod is rotated for driving the second inclined surface of the driving block to press the first inclined surface, so that the lifting plate is lifted.

[0013] Preferably, the lower end face of the scraper is provided with penetrating rods opposite to and penetrating the dismounting plate, the penetrating ends of the penetrating rods are both sleeved with nuts, the penetrating rods between the scraper and the dismounting plate are both sleeved with springs, and the springs are used for pushing the scraper away from the dismounting plate.

[0014] Preferably, the lower end face of the sliding plate is provided with a convex block, and the convex block is provided with a recess.

[0015] The shaking assembly comprises a motor arranged on the base, the output shaft of the motor is provided with a disc, the upper end face of the disc and close to the edge is provided with a round rod inserted into the recess at one end, and the motor drives the disc to continuously rotate, so that the round rod drives the sliding plate to continuously shake.

[0016] Preferably, the threaded rod is sleeved with a limiting ring at one side of the driving block.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1、 the utility model discloses a lifting assembly on the sliding plate drives the dismounting plate to move up, so that the dismounting plate can drive the scraper to move up, and the upper end face of the scraper abuts on the conveying belt, when the conveying belt is conveying, the remaining cooked bing on the conveying belt can pass through the scraper, at this time, the remaining cooked bing on the conveying belt can be removed through the scraper, compared with the prior art, the tunnel oven for quick-frozen bing does not need the staff to clean the remaining cooked bing on the conveying belt manually when actually using, so that the utility model is convenient to use.

[0019] 2. The utility model discloses, through the shaking subassembly drive sliding plate is shaken continuously, and the sliding plate shakes and takes down the shaking of the dismounting plate, that is, the scraper is continuously shaken on the conveyer belt, when the conveyer belt is with the residual of the cooked pie and is transported to the place scraper, and the scraper of shaking can be back and forth wiping to the cooked pie residue on the conveyer belt, thereby making the scraper can further remove the cooked pie residue on the conveyer belt, improve the use effect of scraper. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of a tunnel oven for quick-frozen baked pie in the utility model.

[0021] Figure 2 It is a sectional structure schematic view of sliding plate and dismounting plate in the utility model.

[0022] Figure 3 It is a structure schematic view of sliding plate installation on fixed plate in the utility model.

[0023] Figure 4 It is an explosion structure schematic view of scraper on support plate in the utility model.

[0024] Figure 5 It is an explosion structure schematic view of disc and sliding plate in the utility model.

[0025] The meaning of each reference numeral in the drawing is as follows:

[0026] 100, conveyer belt, 110, fixed plate, 120, sliding plate, 130, base, 131, motor, 140, mounting plate, 141, support leg, 150, shell,

[0027] 200, dismounting plate, 210, scraper, 211, through rod, 212, nut, 213, spring, 220, support plate, 230, lifting plate, 231, lifting rod, 240, lifting block, 250, threaded rod, 251, drive block, 260, protruding block, 261, recess, 270, disc, 271, round rod, 280, conveying rod, 290, sliding block, 291, cross plate,

[0028] 300, limiting block, 310, lifting ring, 320, limiting ring,

[0029] 400, plug-in block, 401, insertion hole, 410, clamping block, 420, knob. DETAILED DESCRIPTION

[0030] For further understanding of the contents of the utility model, the utility model is described in detail in combination with the drawings and examples. It should be understood that the examples only explain the utility model and are not limited.

[0031] The following combines the drawingsFigures 1-5 This embodiment will be described in further detail.

[0032] like Figure 1 As shown, a tunnel oven for quick-frozen flatbread in this embodiment includes a conveyor frame arranged opposite to each other, a conveyor belt 100 between the two conveyor frames, a fixed plate 110 on one side wall of the conveyor frame, a slidable sliding plate 120 between the two fixed plates 110, a detachable disassembly plate 200 on the sliding plate 120, a movable scraper 210 on the disassembly plate 200, and a lifting assembly on the sliding plate 120. The lifting assembly is used to drive the disassembly plate 200 to perform lifting and adjusting.

[0033] A base 130 is provided between the two fixed plates 110, and a rocking component is provided on the base 130. The rocking component is used to drive the sliding plate 120 to rock continuously.

[0034] The conveyor frame is equipped with a heating component, which is used to heat the sesame cakes on the conveyor belt 100.

[0035] In this embodiment, frozen sesame cakes are placed sequentially on the conveyor belt 100, and the conveyor belt 100 drives the frozen sesame cakes to move. When the frozen sesame cakes pass through the heating component, the heating component can heat the frozen sesame cakes. When the frozen sesame cakes have completely passed through the heating component, the frozen sesame cakes are also processed into cooked sesame cakes. At this time, the workers can take away the cooked sesame cakes on the conveyor belt 100.

[0036] In this process, when the frozen sesame cakes are heated and cooked on the conveyor belt 100, a portion of the cooked sesame cakes will stick to the conveyor belt 100. After the workers remove the cooked sesame cakes from the conveyor belt 100, a portion of the cooked sesame cakes will still remain on the conveyor belt 100. At this time, the lifting component on the sliding plate 120 drives the disassembly plate 200 to move upward, so that the disassembly plate 200 can drive the scraper 210 to move upward, and the upper end surface of the scraper 210 abuts against the conveyor belt 100. When the conveyor belt 100 is conveying, the sesame cakes remaining on the conveyor belt 100 will pass through the scraper 210. At this time, the scraper 210 can remove the remaining cooked sesame cakes on the conveyor belt 100. Compared with the existing ones, this tunnel oven for frozen sesame cakes does not require workers to manually clean the cooked sesame cakes remaining on the conveyor belt 100 during actual use, thus making it easier to use.

[0037] When the scraper 210 abuts on the conveying belt 100, the residual baked cake on the conveying belt 100 is removed, and part of the residual baked cake cannot be removed. At this time, the sliding plate 120 is continuously shaken by the shaking assembly driving, and the sliding plate 120 shakes the dismounting plate 200 to shake, that is, the scraper 210 continuously shakes on the conveying belt 100. When the conveying belt 100 conveys the residual baked cake to the scraper 210, the shaking scraper 210 can wipe back and forth on the residual baked cake on the conveying belt 100, so that the scraper 210 can further remove the residual baked cake on the conveying belt 100, and the use effect of the scraper 210 is improved.

[0038] When the scraper 210 completes cleaning of the conveying belt 100, the dismounting plate 200 is driven downward by the lifting assembly, so that the dismounting plate 200 drives the scraper 210 to move downward. At this time, the scraper 210 does not abut on the conveying belt 100, so as to avoid that the scraper 210 is damaged due to abutting on the conveying belt 100 for a long time.

[0039] The housing 150 is fixedly installed on the two conveying frames, and the electric heating element is fixedly installed in the housing 150. The electric heating element can process the quick-frozen baked cake on the conveying belt 100 into a baked cake.

[0040] The conveying frame includes the mounting plate 140, a plurality of supporting legs 141 are fixedly installed on the lower end face of the mounting plate 140, a plurality of rotatable conveying rods 280 are arranged between the two mounting plates 140, conveying shafts are arranged at both ends of the conveying rod 280, the conveying shaft is installed on the corresponding mounting plate 140 through the bearing, the conveying belt 100 is sleeved on the conveying rod 280, the conveying belt 100 is a metal conveying belt, and the driving mechanism is installed on the mounting plate 140. The driving mechanism can drive the conveying belt 100 to convey.

[0041] In actual use, the fixed plate 110 is fixedly installed on the corresponding supporting leg 141, a plurality of fixed grooves with a T-shaped cross section are formed in the two fixed plates 110, a plurality of sliding blocks 290 with a T-shaped cross section are fixedly installed on the lower end face of the sliding plate 120, and the sliding block 290 is clamped into the corresponding fixed groove, so as to achieve sliding installation of the sliding plate 120 on the two fixed plates 110.

[0042] As shown in Figures 1-4 In the embodiment, the upper end face of the sliding plate 120 is provided with opposite support plates 220, the upper end face of the support plate 220 is provided with an insertion hole 401, and the lower end face of the dismounting plate 200 and at both ends are provided with an insertion block 400 inserted into the corresponding insertion hole 401.

[0043] In the embodiment, through the setting of the support plates 220, the insertion holes 401 and the insertion blocks 400, when the support plates 220 are fixedly installed on the sliding plate 120, the insertion blocks 400 are fixedly installed on the dismounting plate 200, and the insertion blocks 400 at both ends of the dismounting plate 200 are clamped into the corresponding insertion holes 401, the installation of the dismounting plate 200 on the sliding plate 120 is realized.

[0044] In actual use, the dismounting plate 200 is moved upward, the insertion blocks 400 at both ends of the dismounting plate 200 are slid out of the corresponding insertion holes 401, the installation of the dismounting plate 200 on the sliding plate 120 is released, and at this time, it is convenient for the staff to clean the residual baked cakes on the scraper 210.

[0045] As shown in Figures 1-4 In the embodiment, the lifting assembly includes a lifting plate 230 arranged between the two support plates 220 and slidable, the upper end face of the lifting plate 230 is provided with lifting rods 231 opposite to each other and penetrating through the dismounting plate 200, the lifting rods 231 are each sleeved with a lifting ring 310 for the dismounting plate 200 to lap, the lifting plate 230 is lifted for driving the lifting ring 310 to lift, the dismounting plate 200 is driven by the lifting ring 310 to lift, and the sliding plate 120 is further provided with a lifting piece for driving the lifting plate 230 to lift.

[0046] In the embodiment, through the setting of the lifting plate 230, the lifting rods 231, the lifting rings 310 and the lifting piece, when the lifting rods 231 are fixedly installed on the lifting plate 230 and the lifting rings 310 are fixedly installed on the lifting rods 231, the lifting plate 230 can drive the lifting rods 231 to move upward when the lifting piece drives the lifting plate 230 to move upward, one end of the lifting rod 231 is inserted into the dismounting plate 200 at this time, the lower end of the dismounting plate 200 abuts against the lifting ring 310, the installation of the dismounting plate 200 on the lifting rod 231 is realized, and the dismounting plate 200 can drive the scraper 210 to abut against the conveying belt 100 when the lifting rod 231 continues to move upward and the lifting rod 231 can push the dismounting plate 200 to move upward through the lifting ring 310.

[0047] In actual use, when the lifting piece drives the lifting plate 230 to move downward, the lifting plate 230 drives the lifting rods 231 and the lifting rings 310 to move downward, that is, the dismounting plate 200 drives the scraper 210 to move downward, and the insertion blocks 400 at both ends of the dismounting plate 200 are inserted into the corresponding insertion holes 401, the installation of the dismounting plate 200 between the two support plates 220 is realized, and at this time, the upper end of the lifting rod 231 slides out of the dismounting plate 200, the installation of the dismounting plate 200 on the lifting rod 231 is released.

[0048] As shown in Figures 1-4As shown, in the embodiment, the support plate 220 is provided with a limiting block 300 which is inserted into the lifting plate 230 at one end, and the lower end surface of the lifting plate 230 is provided with a lifting block 240, and the lifting block 240 is provided with a first inclined surface, and the upper end surface of the sliding plate 120 is provided with a clamping block 410;

[0049] The lifting member comprises a threaded rod 250 which is rotatable and arranged between the two support plates 220, and the threaded rod 250 is threadedly sleeved with a driving block 251, the lower end surface of the driving block 251 is provided with a clamping groove for clamping the clamping block 410, and the driving block 251 is provided with a second inclined surface which cooperates with the first inclined surface, and the threaded rod 250 is rotated to drive the second inclined surface of the driving block 251 to press the first inclined surface, so as to realize the lifting of the lifting plate 230.

[0050] In the embodiment, the limiting block 300, the lifting block 240, the first inclined surface, the clamping block 410, the threaded rod 250, the driving block 251, the clamping groove and the second inclined surface are arranged, so that the limiting block 300 is fixedly installed on the support plate 220, the limiting block 300 limits the two ends of the lifting plate 230, the lifting block 240 is fixedly installed on the lifting plate 230, the clamping block 410 is fixedly installed on the sliding plate 120, the clamping block 410 is clamped into the clamping groove of the driving block 251 to limit the driving block 251, and the two ends of the threaded rod 250 are rotatably installed on the corresponding support plate 220 through bearings, when the threaded rod 250 is rotated, the threaded rod 250 can drive the driving block 251 to move, and the driving block 251 moves through the second inclined surface to press the first inclined surface on the lifting block 240, so that the lifting block 240 on the lifting plate 230 can move upwards, that is, the lifting plate 230 moves upwards.

[0051] When the threaded rod 250 drives the driving block 251 to move away from the lifting block 240, the second inclined surface on the driving block 251 releases the pressing on the first inclined surface, and the lifting plate 230 is affected by its own gravity, so that the lifting plate 230 starts to move downwards.

[0052] The threaded rod 250 is fixedly installed with a limiting ring 320 at one side of the driving block 251, and the limiting ring 320 limits the moving distance of the driving block 251, so as to avoid that the driving block 251 moves too much to cause the second inclined surface on the driving block 251 to be separated from the first inclined surface.

[0053] In actual use, one end of the threaded rod 250 penetrates through the support plate 220, and the penetrating end of the threaded rod 250 is fixedly installed with a knob 420 for driving the threaded rod 250 to rotate, and the knob 420 is convenient for driving the threaded rod 250 to rotate.

[0054] As Figures 1-3As shown, in the embodiment, the lower end face of the scraper 210 is provided with a through rod 211 opposite to and penetrating through the dismounting plate 200, the penetrating end of the through rod 211 is sleeved with a nut 212, the through rod 211 between the scraper 210 and the dismounting plate 200 is sleeved with a spring 213, and the spring 213 is used to push the scraper 210 away from the dismounting plate 200.

[0055] In the embodiment, the through rod 211, the nut 212 and the spring 213 are arranged to fix the through rod 211 on the scraper 210, threadedly mount the nut 212 on the penetrating end of the through rod 211 and limit the through rod 211, thereby achieving the mounting of the scraper 210 on the dismounting plate 200, sleeving the spring 213 on the through rod 211 to achieve the mounting of the spring 213 between the scraper 210 and the dismounting plate 200, and when the dismounting plate 200 drives the scraper 210 to abut on the conveying belt 100, the dismounting plate 200 can continue to drive the scraper 210 to move upwards, so that the scraper 210 abuts tightly on the conveying belt 100, at this time, the scraper 210 and the conveying belt 100 are prone to be damaged, in order to avoid the damage of the scraper 210 and the conveying belt 100, when the dismounting plate 200 drives the scraper 210 to abut on the conveying belt 100, the dismounting plate 200 continues to drive the scraper 210 to move upwards, at this time, the upward movement of the dismounting plate 200 compresses the spring 213, so that the scraper 210 can abut on the conveying belt 100 with a proper force, thereby avoiding the over-tight abutment of the dismounting plate 200 on the conveying belt 100.

[0056] As shown in the drawings, Figures 1-5 In the embodiment, the lower end face of the sliding plate 120 is provided with a protrusion 260, and the protrusion 260 is provided with a groove 261;

[0057] The shaking assembly comprises a motor 131 arranged on the base 130, a disc 270 arranged on the output shaft of the motor 131, a round rod 271 arranged on the upper end face of the disc 270 and close to the edge and inserted into the groove 261, and the motor 131 drives the disc 270 to continuously rotate, thereby driving the sliding plate 120 to continuously shake.

[0058] In the embodiment, by the setting of the protrusion 260, the groove 261, the motor 131, the disc 270 and the round rod 271, the base 130 is fixedly installed between the two fixed plates 110, the protrusion 260 is fixedly installed on the lower end surface of the sliding plate 120, the motor 131 is fixedly installed on the base 130, the disc 270 is installed on the output shaft of the motor 131 at the center position, the round rod 271 is fixedly installed on the disc 270, the groove 261 is opened in the direction perpendicular to the length direction of the sliding plate 120, when the motor 131 drives the disc 270 to rotate, the disc 270 can drive the round rod 271 to rotate along the circumference of the disc 270, the rotation of the round rod 271 drives the protrusion 260 to reciprocate through the cooperation with the groove 261, that is, the protrusion 260 continuously shakes, and the shaking of the protrusion 260 drives the sliding plate 120 to continuously shake, that is, the scraper 210 on the sliding plate 120 also continuously shakes.

[0059] When actually used, the two fixed plates 110 are fixedly installed with the transverse plate 291 for the output shaft of the motor 131 to penetrate, the transverse plate 291 can limit the output shaft of the motor 131, so that the installation effect of the motor 131 on the base 130 is better.

[0060] In actual use, first, the frozen bread is placed on the conveying belt 100, the conveying belt 100 conveys the frozen bread, when the bread passes through the heating assembly, the frozen bread is processed into cooked bread, then, the staff takes away the processed cooked bread, at this time, part of the cooked bread may be stuck on the conveying belt 100, the knob 420 drives the threaded rod 250 to rotate, the threaded rod 250 drives the driving block 251 to move, the driving block 251 extrudes the lifting block 240, so that the lifting plate 230 moves upwards, the lifting ring 310 on the lifting rod 231 drives the dismounting plate 200 to move upwards, so that the scraper 210 on the dismounting plate 200 abuts against the conveying belt 100, at this time, the conveying belt 100 continues to convey, the scraper 210 can remove the cooked bread remaining on the conveying belt 100, when the removal is completed, the knob 420 drives the threaded rod 250 to rotate, the driving block 251 releases the extrusion of the lifting block 240, so that the lifting plate 230 moves downwards, that is, the dismounting plate 200 drives the scraper 210 to move downwards, and the abutment of the scraper 210 on the conveying belt 100 is released.

[0061] In summary, the above only describes the preferred embodiment of the present application, and any changes and modifications made within the scope of the present application should be included in the scope of the present application.

Claims

1. A tunnel oven for quick-frozen pizza, comprising two opposite conveying frames, a conveying belt (100) being arranged between the two conveying frames, characterized in that: The side wall of the conveying frame is provided with a fixed plate (110), two fixed plates (110) are provided with a slidable sliding plate (120), the sliding plate (120) is provided with a detachable dismounting plate (200), the dismounting plate (200) is provided with a movable scraper (210), the sliding plate (120) is provided with a lifting assembly, and the lifting assembly is used for driving the dismounting plate (200) to lift and adjust; Two fixed plates (110) are provided with a base (130), the base (130) is provided with a shaking assembly, and the shaking assembly is used for driving the sliding plate (120) to shake continuously; The conveying frame is provided with a heating assembly, and the heating assembly is used for heating the sesame seed cake on the conveying belt (100).

2. A tunnel oven for flash freezing tortillas as claimed in claim 1, characterized in that: The upper end surface of the sliding plate (120) is provided with opposite support plates (220), the upper end surface of the support plate (220) is provided with insertion holes (401), and the lower end surface of the dismounting plate (200) and located at both ends is provided with an insertion block (400) inserted into the corresponding insertion hole (401).

3. A tunnel oven for flash freezing tortillas as defined in claim 2, wherein: The lifting assembly comprises a lifting plate (230) arranged between the two support plates (220) and slidable, the upper end surface of the lifting plate (230) is provided with opposite lifting rods (231) penetrating through the dismounting plate (200), the lifting rods (231) are both provided with lifting rings (310) for lapping the dismounting plate (200), the lifting plate (230) is lifted to drive the lifting ring (310) to lift, the lifting ring (310) drives the dismounting plate (200) to lift, and the sliding plate (120) is further provided with a lifting piece.

4. A tunnel oven for flash freezing tortillas as defined in claim 3, wherein: The support plate (220) is provided with a limiting block (300) inserted into the lifting plate (230), the lower end surface of the lifting plate (230) is provided with a lifting block (240), the lifting block (240) is provided with a first inclined surface, and the upper end surface of the sliding plate (120) is provided with a clamping block (410). The lifting piece comprises a threaded rod (250) arranged between the two support plates (220) and rotatable, the threaded rod (250) is provided with a driving block (251) threaded on the threaded rod (250), the lower end surface of the driving block (251) is provided with a clamping groove for clamping the clamping block (410), the driving block (251) is provided with a second inclined surface matched with the first inclined surface, and the threaded rod (250) is rotated to drive the second inclined surface of the driving block (251) to press the first inclined surface, so that the lifting plate (230) is lifted.

5. A tunnel oven for flash freezing tortillas as defined in claim 3 wherein: The lower end surface of the scraper (210) is provided with opposite penetrating rods (211) penetrating through the dismounting plate (200), the penetrating ends of the penetrating rods (211) are both provided with nuts (212), the penetrating rods (211) between the scraper (210) and the dismounting plate (200) are both provided with springs (213), and the springs (213) are used for pushing the scraper (210) away from the dismounting plate (200).

6. A tunnel oven for flash freezing tortillas as defined in claim 1 wherein: The lower end surface of the sliding plate (120) is provided with a protruding block (260), and the protruding block (260) is provided with a recess (261). The shaking assembly comprises a motor (131) arranged on the base (130), a disc (270) arranged on an output shaft of the motor (131), a round rod (271) arranged on an upper end face of the disc (270) and close to an edge and inserted into a groove (261), and the motor (131) drives the disc (270) to continuously rotate, so that the round rod (271) drives the sliding plate (120) to continuously shake.

7. A tunnel oven for flash freezing tortillas as defined in claim 4 wherein: The threaded rod (250) is sleeved with a limiting ring (320) at one side of the driving block (251).

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