Baking oven for biscuit production

Abstract

The utility model belongs to the technical field of food processing, and particularly relates to a biscuit production baking oven which comprises a conveying frame. Rotating rollers are arranged in the two ends of the conveying frame, the two ends of each rotating roller are rotationally installed in the conveying frame through bearings, the rotating rollers rotate in a matched mode through a conveying belt, a hot drying box is fixedly installed on the upper portion of the conveying frame, and inlets and outlets are formed in the two ends of the hot drying box correspondingly. Electric heating wires are fixedly installed on the inner walls of the two sides of the hot drying box, a preheating box is fixedly installed at the bottom of the conveying frame, an air outlet plate is fixedly installed in the preheating box, a plurality of air holes are formed in the air outlet plate in an array mode, and a water tank is arranged on the side, close to the discharging end, of the preheating box and fixedly installed at the bottom of the conveying frame. A spray pipe is fixedly mounted on one side, close to the rotating roller, of the top of the water tank, and a plurality of nozzles are mounted on the upper side of the spray pipe in an array manner; water is sprayed to the surface of the conveying belt through the nozzles to clean impurities on the conveying belt, and the impurities are prevented from affecting biscuit production quality.

Description

Technical Field

[0001] The utility model relates to the technical field of food processing, in particular to a biscuit production baking box. Background Art

[0002] Biscuits are a widely popular food, usually made from flour, sugar, oil and other raw materials through mixing, molding, baking and other steps. They come in a variety of shapes, tastes and flavors, suitable for snacks, breakfast or with drinks.

[0003] Tunnel-type baking ovens are usually composed of a heating system, air circulation, a conveying system, and temperature control. The food is placed on the conveying device, and then the conveying device drives the food to move continuously inside the baking oven. The heating system heats the inside of the baking oven, and the air circulation system blows the heat generated by the heating system to every corner of the baking oven to bake the food. The temperature control system adjusts the temperature inside the baking oven to avoid unstable baking results.

[0004] In the use of the existing tunnel baking oven, after a long period of use, some biscuit fragments, grease and other impurities will inevitably remain on the surface of the conveyor belt. If these residues are not cleaned in time, they will re-attach to the biscuits during the next baking process, causing stains, discoloration or odor on the surface of the biscuits, seriously affecting the appearance and taste of the biscuits, and thus reducing product quality; therefore, a biscuit production baking oven is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, in the process of using the existing tunnel baking oven, after a long period of use, the conveyor belt will inevitably have some biscuit fragments, grease and other impurities on the surface. If these residues are not cleaned in time, they will re-attach to the biscuits during the next baking process, resulting in stains, discoloration or odor on the surface of the biscuits, seriously affecting the appearance and taste of the biscuits, thereby reducing the quality of the product. The utility model proposes a biscuit production baking oven.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a biscuit production baking oven described in the utility model comprises a conveying frame; rotating rollers are arranged inside both ends of the conveying frame, both ends of the rotating rollers are rotatably installed inside the conveying frame through bearings, the rotating rollers rotate in cooperation with the conveyor belt, a hot oven is fixedly installed on the upper part of the conveying frame, inlets and outlets are respectively opened at both ends of the hot oven, electric heating wires are fixedly installed on the inner walls of both sides of the hot oven, a preheating box is fixedly installed at the bottom of the conveying frame, an air outlet plate is fixedly installed inside the preheating box, and a plurality of air outlet plates are arranged in an array on the air outlet plate. A hole is provided on one side of the preheating box near the discharging end and fixedly installed on the bottom of the conveying frame, a nozzle is fixedly installed on the top of the water trough near the rotating roller, and a plurality of nozzles are arranged in an array on the upper side of the nozzle, a water pump is fixedly installed on one side of the bottom end of the water trough, a water suction pipe is fixedly connected to the water inlet end of the water pump, the water suction pipe is fixedly connected to one side of the bottom end of the water trough and extends through the water trough to the inside of the water trough, a water supply pipe is fixedly connected to the water outlet end of the water pump, and the other end of the water supply pipe is fixedly connected to the water inlet of the nozzle, and water is sprayed onto the surface of the conveyor belt through the nozzle to clean impurities thereon, so as to prevent impurities from affecting the production quality of biscuits.

[0007] Preferably, a first motor is fixedly installed on one side of the feeding end of the conveyor frame, and the rotating shaft of the first motor is fixedly connected to one end of the rotating roller. The rotating roller and the conveyor belt are driven to rotate by the first motor to continue the biscuit baking operation.

[0008] Preferably, a fan is fixedly installed on the top of the hot oven, and a connecting pipe is fixedly connected to the air outlet of the fan. The other end of the connecting pipe is fixedly connected to one side of the preheating box, and the connection between the connecting pipe and the preheating box is located below the air outlet plate. The heat inside the hot oven is transferred to the preheating box through the fan to dry and preheat the cleaned conveyor belt.

[0009] Preferably, a flip shaft is provided in the center of the upper part of the conveying frame, and both ends of the flip shaft are rotatably mounted on the conveying frame through bearings, a flip plate is fixedly mounted on one side of the outer surface of the flip shaft, one end of the flip shaft passes through the conveying frame and is fixedly mounted with a gear, a slide groove is provided on one side of the gear and is fixedly mounted on the side of the conveying frame, a tooth plate is slidably arranged in the slide groove, a cylinder is fixedly mounted on the bottom of the slide groove, the front end of the cylinder piston rod is fixedly connected to the bottom of the tooth plate, the tooth plate and the gear are meshed with each other, and the tooth plate is pushed by the cylinder to cooperate with the gear to complete the turning over of the biscuits, so that the biscuits are heated evenly.

[0010] Preferably, a roller brush is provided on one side of the nozzle, and both ends of the roller brush are rotatably mounted on the upper end of the water tank through bearings. A second motor is fixedly mounted on one side of the upper end of the water tank, and the rotating shaft of the second motor is fixedly connected to one end of the roller brush through a coupling. The conveyor belt is cleaned for the second time after flushing by the roller brush to ensure that impurities are cleaned up.

[0011] Preferably, baffles are obliquely fixed on both sides of the upper end of the interior of the sink, an opening is formed between the two baffles, a drawer is arranged below the opening, a mounting opening is opened on one side of the lower end of the sink, the drawer is slidably installed in the mounting opening, a plurality of filter holes are opened at the bottom of the drawer, impurities in the water are filtered and collected through the drawer, so that the water can be recycled and the production cost is reduced.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model starts the first motor to drive the rotating roller to rotate when baking is used for biscuit production, and the rotating roller drives the conveyor belt to rotate, and the electric heating wire is turned on to heat the hot oven, and at the same time, the fan is started to pump the hot air in the hot oven into the preheating box through the connecting pipe, and then blows it to the surface of the conveyor belt through the air holes on the air outlet plate, and the biscuit blanks are placed on the conveyor belt at a certain interval at the feeding end. When the conveyor belt rotates, the blanks are driven to enter the hot oven from the hot oven inlet for baking, and when the blanks move to the middle of the hot oven, the blanks are turned over and baked by the turning device until they are discharged from the outlet after baking is completed. The material is unloaded at the discharging end, and then the water pump is started to pump the water at the bottom of the water tank into the nozzle through the water supply pipe through the water pump pipe, and then sprayed to the surface of the conveyor belt through the nozzle to wash away the impurities on the surface of the conveyor belt. At the same time, the second motor is started to drive the roller brush to rotate, and the washed conveyor belt is cleaned for the second time. Then the conveyor belt passes through the preheating box for drying and preheating, and the structural design of the biscuits is cyclically baked. The function of automatically cleaning the conveyor belt is realized, which solves the problem that some biscuit fragments, grease and other impurities will inevitably remain on the surface of the conveyor belt after long-term use in the existing tunnel baking box. If these residues are not cleaned in time, they will re-attach to the biscuits in the next baking process, resulting in stains, discoloration or odor on the surface of the biscuits, seriously affecting the appearance and taste of the biscuits, thereby reducing the product quality, and improving the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the structure of the feeding end of the baking oven;

[0016] Figure 2 This is a schematic diagram of the structure of the discharging end of the baking oven;

[0017] Figure 3Schematic diagram of the internal structure of the baking oven;

[0018] Figure 4 It is a schematic diagram of the structure of the flipping device;

[0019] Figure 5 This is a schematic diagram of the water supply device structure.

[0020] In the figure: 1. conveying frame; 2. rotating roller; 3. conveyor belt; 4. first motor; 5. hot oven; 6. electric heating wire; 7. fan; 8. connecting pipe; 9. preheating box; 10. air outlet plate; 11. turning shaft; 12. turning plate; 13. gear; 14. slide; 15. tooth plate; 16. cylinder; 17. water tank; 18. nozzle; 19. roller brush; 20. baffle; 21. drawer; 22. second motor; 23. water pipe; 24. water pump; 25. water supply pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5As shown, a biscuit production baking oven includes a conveyor frame 1; rotating rollers 2 are arranged inside both ends of the conveyor frame 1, and both ends of the rotating rollers 2 are rotatably installed inside the conveyor frame 1 through bearings, and the rotating rollers 2 rotate in cooperation with the conveyor belt 3, and a hot oven 5 is fixedly installed on the upper part of the conveyor frame 1, and inlets and outlets are respectively opened at both ends of the hot oven 5, and electric heating wires 6 are fixedly installed on the inner walls of both sides of the hot oven 5, and a preheating box 9 is fixedly installed at the bottom of the conveyor frame 1, and an air outlet plate 10 is fixedly installed inside the preheating box 9, and a plurality of air holes are arranged in an array on the air outlet plate 10, and a water tank 17 is fixedly installed on the side of the preheating box 9 close to the discharge end and fixedly installed at the bottom of the conveyor frame 1. A nozzle 18 is fixedly installed on the top of the water trough 17 near the rotating roller 2, and a plurality of nozzles are arranged in an array on the upper side of the nozzle 18. A water pump 24 is fixedly installed on one side of the bottom end of the water trough 17. A water suction pipe 23 is fixedly connected to the water inlet end of the water pump 24. The water suction pipe 23 is fixedly connected to one side of the bottom end of the water trough 17 and extends to the inside of the water trough 17 through the water trough 17. A water supply pipe 25 is fixedly connected to the water outlet end of the water pump 24. The other end of the water supply pipe 25 is fixedly connected to the water inlet of the nozzle 18. When working, during the use of the existing tunnel baking oven, some biscuit fragments, grease and other impurities will inevitably remain on the surface of the conveyor belt after long-term use. If these residues are not cleaned up in time, they will re-attach to the biscuits during the next baking process, causing stains, discoloration or odor on the surface of the biscuits, seriously affecting the appearance and taste of the biscuits, and thus reducing the product quality. When baking is used for biscuit production, the first motor 4 is started to drive the rotating roller 2 to rotate, and the rotating roller 2 drives the conveyor belt 3 to rotate, and the electric heating wire 6 is turned on to heat the hot oven 5. At the same time, the fan 7 is started to pump the hot air in the hot oven 5 into the preheating box 9 through the connecting pipe 8, and then blow it to the surface of the conveyor belt 3 through the air holes on the air outlet plate 10. At the feeding end, the biscuit blanks are placed on the conveyor belt 3 at a certain interval, and conveyed. When the belt 3 rotates, it drives the dough to enter the hot oven 5 from the inlet for baking. When the dough moves to the middle of the hot oven 5, the dough is turned over by the turning device for baking until it comes out of the outlet after baking. The dough is unloaded at the discharging end, and then the water pump 24 is started to pump the water at the bottom of the water tank 17 into the nozzle 18 through the water supply pipe 25 through the water suction pipe 23 and spray it to the surface of the conveyor belt 3 through the nozzle to wash away the impurities on the surface of the conveyor belt 3. At the same time, the second motor 22 is started to drive the roller brush 19 to rotate, and the washed conveyor belt 3 is cleaned for the second time. Then the conveyor belt 3 passes through the preheating box 9 for drying and preheating, and the biscuits are baked and produced in a cycle.

[0023] A first motor 4 is fixedly installed on one side of the feeding end of the conveyor frame 1, and the rotating shaft of the first motor 4 is fixedly connected to one end of the rotating roller 2; when working, when baking is used to produce biscuits, the first motor 4 is started to drive the rotating roller 2 to rotate, the rotating roller 2 drives the conveyor belt 3 to rotate, and the conveyor belt 3 drives the biscuit blanks to move into the hot oven 5 for baking.

[0024] A fan 7 is fixedly installed on the top of the hot oven 5, and a connecting pipe 8 is fixedly connected to the air outlet of the fan 7. The other end of the connecting pipe 8 is fixedly connected to one side of the preheating box 9, and the connection between the connecting pipe 8 and the preheating box 9 is located below the air outlet plate 10. When working, when baking is used to produce biscuits, the fan 7 is started, and the fan 7 draws air from the hot oven 5. The heat in the hot oven 5 follows the air through the connecting pipe 8 into the preheating box 9, and then blows to the surface of the conveyor belt 3 through the air holes on the air outlet plate 10, so as to dry the moisture on the surface of the conveyor belt 3 and preheat it.

[0025] A flip shaft 11 is arranged at the center of the upper part of the conveying frame 1. Both ends of the flip shaft 11 are rotatably mounted on the conveying frame 1 through bearings. A flip plate 12 is fixedly mounted on one side of the outer surface of the flip shaft 11. One end of the flip shaft 11 passes through the conveying frame 1 and is fixedly mounted with a gear 13. A slide groove 14 is arranged on one side of the gear 13 and is fixedly mounted on the side of the conveying frame 1. A tooth plate 15 is slidably arranged in the slide groove 14. A cylinder 16 is fixedly mounted at the bottom of the slide groove 14. The front end of the piston rod of the cylinder 16 is fixedly connected to the bottom of the tooth plate 15. The tooth plate 15 is connected to the gear 1 3 mesh with each other; when working, when baking is used for biscuit production, the conveyor belt 3 drives the biscuit blank to move to the center of the conveyor rack 1, and the blank is scraped off the surface of the conveyor belt 3 by the flip plate 12, so that it remains on the upper part of the flip plate 12, and the cylinder 16 is started. The piston rod of the cylinder 16 pushes the tooth plate 15 to slide in the slide groove 14, and the tooth plate 15 simultaneously pushes the gear 13 to rotate, and the gear 13 drives the flip plate 12 to rotate through the flip shaft 11, flipping the flip plate 12 to the other side of the conveyor belt 3, flipping the biscuit blank, and baking the bottom of the blank, so that the blank is evenly heated in the hot oven 5.

[0026] A roller brush 19 is provided on one side of the nozzle 18, and both ends of the roller brush 19 are rotatably mounted on the upper end of the water tank 17 through bearings. A second motor 22 is fixedly mounted on one side of the upper end of the water tank 17, and the rotating shaft of the second motor 22 is fixedly connected to one end of the roller brush 19 through a coupling; when working, when baking is used for biscuit production, the second motor 22 is started to drive the roller brush 19 to rotate, and the conveyor belt 3 is cleaned at the front side by the nozzle on the nozzle 18, and then it is cleaned for the second time by the roller brush 19 to clean the dead corners on its surface.

[0027] Baffles 20 are obliquely fixed on both sides of the upper end of the water tank 17, an opening is formed between the two baffles 20, and a drawer 21 is arranged below the opening. A mounting opening is opened on one side of the lower end of the water tank 17, and the drawer 21 is slidably installed in the mounting opening. A plurality of filtering holes are opened at the bottom of the drawer 21. During operation, when baking is used to produce biscuits, impurities during cleaning follow the water flow and fall onto the baffles 20 in the water tank 17, and fall into the drawer 21 below under the action of the baffles 20. The impurities are filtered in the drawer 21 under the action of the filtering holes, and the filtered water enters the bottom of the water tank 17 for recycling.

[0028] Working principle: when baking is used for biscuit production, the first motor 4 is started to drive the rotating roller 2 to rotate, and the rotating roller 2 drives the conveyor belt 3 to rotate, and the electric heating wire 6 is turned on to heat the hot oven 5. At the same time, the fan 7 is started to pump the hot air in the hot oven 5 into the preheating box 9 through the connecting pipe 8, and then blow it to the surface of the conveyor belt 3 through the air holes on the air outlet plate 10. At the feeding end, the biscuit blanks are placed on the conveyor belt 3 at a certain interval. When the conveyor belt 3 rotates, it drives the blanks to enter the hot oven 5 from the inlet of the hot oven 5 for baking. When the blanks move to the middle of the hot oven 5, the conveyor belt 3 drives the biscuit blanks to move to the center of the conveying rack 1. The blanks are scraped off the surface of the conveyor belt 3 by the flip plate 12, so that they remain on the upper part of the flip plate 12, and the cylinder 16 is started. The piston rod of the cylinder 16 pushes the tooth plate 15 to slide in the slide groove 14. The tooth plate 15 simultaneously pushes the gear 13 to rotate, and the gear 13 drives the flip shaft 11 The flip plate 12 rotates, flips the flip plate 12 to the other side of the conveyor belt 3, flips the biscuit blank, bakes the bottom of the blank, and makes the blank evenly heated in the hot oven 5 until it is baked and comes out of the outlet, and unloads at the discharging end, then starts the water pump 24 to pump the water at the bottom of the water tank 17 into the nozzle 18 through the water supply pipe 25 through the water pump pipe 23, and sprays it to the surface of the conveyor belt 3 through the nozzle, so as to wash away the impurities on the surface of the conveyor belt 3, and at the same time starts the second motor 22 to drive the roller brush 19 to rotate, and performs secondary cleaning on the flushed conveyor belt 3. The impurities during cleaning follow the water flow and fall onto the baffle 20 in the water tank 17, and fall into the drawer 21 below under the action of the baffle 20. The impurities are filtered in the drawer 21 under the action of the filter hole, and the filtered water enters the bottom of the water tank 17 for recycling, and then the conveyor belt 3 passes through the preheating box 9 for drying and preheating, and the biscuits are baked and produced in a cycle.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A biscuit production baking oven, characterized in that: The invention comprises a conveying frame (1); rotating rollers (2) are arranged inside both ends of the conveying frame (1); both ends of the rotating rollers (2) are rotatably mounted inside the conveying frame (1) through bearings; the rotating rollers (2) rotate in cooperation with the conveyor belt (3); a hot oven (5) is fixedly mounted on the upper part of the conveying frame (1); an inlet and an outlet are respectively provided at both ends of the hot oven (5); electric heating wires (6) are fixedly mounted on the inner walls of both sides of the hot oven (5); a preheating box (9) is fixedly mounted on the bottom of the conveying frame (1); an air outlet plate (10) is fixedly mounted inside the preheating box (9); a plurality of air holes are arranged in an array on the air outlet plate (10); a preheating box (9) is provided on one side close to the discharge end; A water tank (17) is provided, the water tank (17) is fixedly mounted on the bottom of the conveying frame (1), a nozzle (18) is fixedly mounted on the top of the water tank (17) near the rotating roller (2), a plurality of nozzles are arranged in an array on the upper side of the nozzle (18), a water pump (24) is fixedly mounted on one side of the bottom end of the water tank (17), a water inlet end of the water pump (24) is fixedly connected to a water suction pipe (23), the water suction pipe (23) is fixedly connected to one side of the bottom end of the water tank (17) and penetrates the water tank (17) and extends to the inside of the water tank (17), a water outlet end of the water pump (24) is fixedly connected to a water supply pipe (25), and the other end of the water supply pipe (25) is fixedly connected to the water inlet of the nozzle (18).

2. A biscuit production baking oven according to claim 1, characterized in that: A first motor (4) is fixedly mounted on one side of the feeding end of the conveying frame (1), and a rotating shaft of the first motor (4) is fixedly connected to one end of a rotating roller (2).

3. A biscuit production baking oven according to claim 1, characterized in that: A fan (7) is fixedly installed on the top of the hot oven (5), and a connecting pipe (8) is fixedly connected to the air outlet of the fan (7). The other end of the connecting pipe (8) is fixedly connected to one side of the preheating box (9), and the connection between the connecting pipe (8) and the preheating box (9) is located below the air outlet plate (10).

4. A biscuit production baking oven according to claim 1, characterized in that: A turning shaft (11) is arranged at the center of the upper part of the conveying frame (1), and both ends of the turning shaft (11) are rotatably mounted on the conveying frame (1) through bearings. A turning plate (12) is fixedly mounted on one side of the outer surface of the turning shaft (11). One end of the turning shaft (11) passes through the conveying frame (1) and is fixedly mounted with a gear (13). A slide groove (14) is arranged on one side of the gear (13) and is fixedly mounted on the side of the conveying frame (1). A tooth plate (15) is slidably arranged in the slide groove (14), and a cylinder (16) is fixedly mounted at the bottom of the slide groove (14). The front end of the piston rod of the cylinder (16) is fixedly connected to the bottom of the tooth plate (15), and the tooth plate (15) and the gear (13) are meshed with each other.

5. A biscuit production baking oven according to claim 1, characterized in that: A roller brush (19) is provided on one side of the nozzle (18), and both ends of the roller brush (19) are rotatably mounted on the upper end of the water tank (17) via bearings. A second motor (22) is fixedly mounted on one side of the upper end of the water tank (17), and a rotating shaft of the second motor (22) is fixedly connected to one end of the roller brush (19) via a coupling.

6. A biscuit production baking oven according to claim 1, characterized in that: Baffles (20) are obliquely fixed on both sides of the upper end of the water tank (17), an opening is formed between the two baffles (20), and a drawer (21) is arranged below the opening. A mounting opening is opened on one side of the lower end of the water tank (17), and the drawer (21) is slidably installed in the mounting opening. A plurality of filtering holes are opened at the bottom of the drawer (21).

Images