CN111789134A - Tunnel type baking machine - Google Patents
Tunnel type baking machine Download PDFInfo
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- CN111789134A CN111789134A CN202010680417.2A CN202010680417A CN111789134A CN 111789134 A CN111789134 A CN 111789134A CN 202010680417 A CN202010680417 A CN 202010680417A CN 111789134 A CN111789134 A CN 111789134A
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
- A21B1/00—Bakers' ovens
- A21B1/42—Bakers' ovens characterised by the baking surfaces moving during the baking
- A21B1/48—Bakers' ovens characterised by the baking surfaces moving during the baking with surfaces in the form of an endless band
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
- A21B3/00—Parts or accessories of ovens
- A21B3/07—Charging or discharging ovens
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
- A21B3/00—Parts or accessories of ovens
- A21B3/16—Machines for cleaning or greasing baking surfaces
Abstract
The application relates to the technical field of food processing, in particular to a tunnel type baking machine. A tunnel type baking machine comprises a tunnel furnace, a conveyor belt and a conveyor roller, wherein the conveyor belt and the conveyor roller are installed in the tunnel furnace. This application sets up in the discharge gate department of conveyer belt and takes off material mechanism, and usable conveyer belt operation can scrape, take off the material with the food that has toasted the completion from the surface of conveyer belt in advance, so both can be convenient for toast the unloading operation of food, still can reduce the residue rate of keeping somewhere in the conveyer belt surface. The cleaning mechanism positioned below the discharge port can be used for cleaning residues on the outer surface of the conveyor belt, so that the cleanliness of the conveyor belt is improved, and further, the influence on food baking caused when the conveyor belt is reused is reduced due to the influence of the residues on the conveyor belt.
Description
Technical Field
The application relates to the technical field of food processing, in particular to a tunnel type baking machine.
Background
The oven is an apparatus for drying objects by heating with an electric heating wire interlayer, and is suitable for baking, drying, heat treatment and the like within the range of 5-300 ℃ (some 200 ℃) higher than room temperature, wherein the tunnel oven adopts a long box heated air circulation and far infrared heating mode to control the temperature, mainly aiming at the baking requirement with high output efficiency requirement, the tunnel baking machine is a continuous baking apparatus, can bake continuously, and improves the production efficiency of products. Therefore, tunnel toasting apparatus are commonly used for batch toasting of food products such as biscuits, bread and the like.
The problem of uneven heating commonly exists in the current tunnel baking equipment, and the food baking quality is influenced.
Chinese patent publication No. CN206380545U discloses a baking system of a segmented temperature control biscuit tunnel oven, which comprises a biscuit conveyor belt, a biscuit roll mark forming machine arranged at the front end of the biscuit conveyor belt, and a biscuit tunnel oven arranged at the rear end of the biscuit roll mark forming machine. The biscuit conveying belt is a steel mesh belt and is driven by a mesh belt conveying roller and is used for bearing biscuits to be conveyed and baked in the tunnel furnace. This baking system sets up multistage formula tunnel type oven, independently sets up heater in each toasts the incasement, and temperature sensor just cuts off each and toasts heat transfer between the case, realizes the effective control to each toasts incasement temperature alone.
In view of the above-mentioned related art, the inventor believes that there is a defect that residues such as biscuits are easy to stick to the conveyor belt, so that biscuit scraps are left on the conveyor belt, and the cleanliness of the conveyor belt is affected.
Disclosure of Invention
In order to improve the residue and be stained with the problem that glues the conveyer belt, influence the conveyer belt cleanliness, this application provides a tunnel type roaster.
The application provides a tunnel type roaster adopts following technical scheme:
a tunnel type baking machine comprises a tunnel furnace, a conveyor belt and a conveyor roller, wherein the conveyor belt and the conveyor roller are arranged in the tunnel furnace; the tunnel furnace is provided with a feeding hole and a discharging hole; the conveying belt is controlled by at least two conveying rollers to operate and is positioned between the feeding port and the discharging port; a stripping mechanism is arranged in the discharge port, the stripping machine framework is arranged above the conveyor belt, and the lower surface of the stripping mechanism is abutted against the outer surface of the conveyor belt; the conveying belt positioned below the discharge port is provided with a cleaning mechanism.
Through adopting above-mentioned technical scheme, set up in the discharge gate department of conveyer belt and take off material mechanism, usable conveyer belt operation can scrape, take off the material with the food that has toasted the completion from the surface of conveyer belt in advance, so both can be convenient for toast the unloading operation of food, still can reduce the residue rate of keeping somewhere in the conveyer belt surface. The cleaning mechanism positioned below the discharge port can be used for cleaning residues on the outer surface of the conveyor belt, so that the cleanliness of the conveyor belt is improved, and further, the influence on food baking caused when the conveyor belt is reused is reduced due to the influence of the residues on the conveyor belt.
Preferably, the two sides of the conveying belt are respectively provided with a bracket, and the conveying roller and the cleaning mechanism are respectively erected between the two brackets; the stripping mechanism comprises a steel wire rope, and two ends of the steel wire rope are respectively fixed on the two brackets; the steel wire rope is abutted against the outer surface of the conveying belt.
Through adopting above-mentioned technical scheme, wire rope has stronger toughness, does benefit to the adjustment and tightens, and less with the overlap area of conveyer belt, scrapes the back from the conveyer belt when the food that wire rope will toast, because general wire rope is all thinner, is difficult for making food be stained with once more and glues in wire rope, can not lead to wire rope to leave the residue like this. And the steel wire rope is convenient to disassemble, clean and maintain.
Preferably, the conveyor belt comprises a process section and a return section, and the return section is positioned below the process section; the cleaning mechanism is abutted against the return segment.
Through adopting above-mentioned technical scheme, will clear up the return stroke section of mechanism's installation and conveyer belt, can not influence the normal use of conveyer belt, be convenient for again clear up the residue.
Preferably, the cleaning mechanism comprises a cleaning brush roller and a long scraper, and the cleaning brush roller and the long scraper are respectively abutted against the outer surface of the return section; the cleaning brush roller is positioned between the long-strip scraper and the discharge hole.
By adopting the technical scheme, the cleaning brush roller is adopted to brush and clean the residues on the conveyor belt, but when the cleaning brush roller rotates for cleaning, the outer surface of the residual conveyor belt of the residues still easily exists; and then a long-strip scraper attached to the conveyor belt is adopted to clean the residual residues of the cleaning brush roller. Therefore, under the combined action of the cleaning brush roll and the long-strip hanging strip, the cleanliness of the conveying belt can be further improved.
Preferably, the cleaning mechanism further comprises a dead-end cleaner; the empty segment cleaner is arranged between the process segment and the return segment, and the lower surface of the empty segment cleaner is abutted against the inner surface of the return segment.
Through adopting above-mentioned technical scheme, when using clearance mechanism clearance conveyer belt outer surface, have residue etc. to drift in the internal surface of conveyer belt easily, the conveyer belt is mostly to have the net moreover, and at conveyer belt operation in-process, the food and the food residue that are located the conveyer belt outer surface all drop to the internal surface of conveyer belt through these nets easily, like this along with conveyer belt operation, vibrations, the residue that is located the conveyer belt inner surface exists the surface that falls back to the conveyer belt, influences the cleanliness of conveyer belt. Through the idle section clearance ware of erectting in conveyer belt internal surface, can effectively reduce the condition emergence that above-mentioned residue falls back to the conveyer belt surface, improve the cleanliness of conveyer belt.
Preferably, the empty section cleaner comprises two transverse plates, and the transverse plates are inclined plates; the transverse plate comprises a free end and a fixed end; the fixed ends of the two transverse plates are fixedly connected, and the fixed ends are abutted against the inner surface of the return section; the free end of the transverse plate is positioned outside the return segment; the transverse plates incline from the fixed ends to the free ends along the running direction of the conveying belt.
Through adopting above-mentioned technical scheme, the width of dead band clearance ware is greater than the width of conveyer belt, and when the conveyer belt operation, both can make the dead band clearance ware clear up the residue of conveyer belt internal surface, still can transport the stiff end of the residue color value diaphragm after the clearance to the free end, until the residue breaks away from the conveyer belt. The structure can effectively clean the inner surface of the conveying belt, does not need manual cooperation to clean the cleaned residues, and can reduce the labor cost.
Preferably, the cleaning mechanism further comprises a cleaning branch roller, and the cleaning branch roller is abutted against the outer surface of the return segment; the cleaning support roller is positioned below the empty section cleaner.
Through adopting above-mentioned technical scheme, erect the clearance branch roller in vacant section clearance ware below and can make vacant section clearance ware keep with conveyer belt internal surface contact, ensure that the clearance operation goes on.
Preferably, a plurality of upper partition plates are arranged in the tunnel furnace, and the tunnel furnace is divided into a plurality of baking chambers by the upper partition plates; a first temperature control device is arranged in each baking chamber; and a through opening is arranged between the upper partition plate and the conveying belt.
Through adopting above-mentioned technical scheme, the tunnel furnace is separated into a plurality of baking chambers by last baffle to be equipped with first temperature control device in every baking chamber respectively, the regulation, the control of temperature in each baking chamber of being convenient for like this do benefit to and toast food segmentation, hierarchical, can change food and conveyer belt and be stained with the condition of gluing according to the temperature of the different baking chambers of regulation control, reduce the conveyer belt and remain the residue.
But also can control the time of the food in different temperature environments according to the lengths of different baking chambers, thereby improving the baking effect. The temperature of the cooking chamber adjacent the feed opening is typically less than the temperature of the cooking chamber in the middle, thus avoiding more debris from the sudden expansion of the food product initially exposed to the higher temperatures. The first temperature control device of the baking chamber closest to the discharge port is generally only used for monitoring the temperature and does not heat, and at the moment, the food is baked and cooled by utilizing the residual temperature of the front-end baking chamber, so that the food is naturally molded.
Preferably, a transverse clapboard is arranged between the process section and the return section, and a plurality of lower clapboards corresponding to the upper clapboards are arranged on the transverse clapboard; and a second temperature control device is arranged on the transverse partition plate corresponding to each baking chamber.
Through adopting above-mentioned technical scheme, each toasts the room below and all utilizes down baffle, cross slab's structure to constitute the chamber of toasting that seals relatively, both can avoid the excessive waste of high temperature in the chamber of toasting like this, still can reduce the conveyer belt that the temperature in the different toasting chambers continues to toast the return stroke section, leads to the conveyer belt temperature to be difficult to descend, influences the reuse of conveyer belt, also keeps apart the life that the heating of parts such as clearance mechanism, support influences these parts of higher temperature in the chamber of toasting simultaneously.
The second temperature control device on the diaphragm plate is matched with the first temperature control device for use, so that the temperature in the baking chamber can be adjusted together, the temperature of the outer surface and the temperature of the inner surface of the conveyor belt positioned in the process section in the baking chamber can be adjusted conveniently and respectively, and the food can be baked more uniformly.
Preferably, a waste collecting tank is arranged below the cleaning mechanism, and the width of the waste collecting tank is not less than that of the conveying belt; the bottom wall of the waste collecting tank inclines towards one side along the running direction of the conveyor belt.
Through adopting above-mentioned technical scheme, be located the garbage collection groove of clearance mechanism below, residue, piece that can in time effectively collect and clear up out by various clearance mechanisms avoid the residue piece directly to be located below the roaster, influence the environment cleanliness, reduce the influence to conveyer belt in tunnel furnace, the tunnel furnace.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the material removing mechanism arranged at the discharge port of the conveyor belt, baked food can be scraped and removed from the outer surface of the conveyor belt in advance by utilizing the operation of the conveyor belt, so that the discharging operation of the baked food can be facilitated, and the residue rate remained on the outer surface of the conveyor belt can be reduced;
2. the cleaning mechanism positioned below the discharge port can be used for cleaning residues on the outer surface of the conveyor belt, so that the cleanliness of the conveyor belt is improved, and the influence of the residues on the conveyor belt on food baking when the conveyor belt is reused is further reduced;
3. the stripping mechanism adopts a steel wire rope, so that food can be quickly and lightly scraped and stripped from the conveyor belt, residue of the stripping mechanism cannot be caused, and the stripping mechanism is convenient to clean;
4. the cleaning mechanisms of various different types respectively clean the inner surface and the outer surface of the return section of the conveying belt, so that the cleanliness of the conveying belt is improved to a greater extent.
Drawings
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is a side view of the internal structure of the tunnel furnace of the present application;
FIG. 3 is a schematic view of the internal structure of the tunnel furnace of the present application;
FIG. 4 is a schematic view of a cleaning brush roll configuration;
fig. 5 is a schematic structural view of the dead-end cleaner.
Description of reference numerals: 1. a tunnel furnace; 2. a feed inlet; 3. a discharge port; 4. opening and closing the door; 5. a top frame; 6. an upper partition plate; 7. a first temperature control device; 8. a port; 9. a diaphragm plate; 10. a lower partition plate; 11. a second temperature control device; 12. a support; 20. a conveyor belt; 21. a process segment; 22. a return section; 30. a conveying roller; 31. a driven roller; 40. a wire rope; 51. cleaning the brush roll; 511. brushing teeth; 52. a long scraper plate; 53. an empty section cleaner; 531. mounting a rod; 532. a transverse plate; 533. a fixed end; 534. a free end; 54. cleaning the branch roller; 55. a cloth wiping roller; 60. a motor; 70. A discharging groove; 71. a feeding telescopic rod; 80. a feeding bin; 81. a material spreading mechanism; 82. and a waste collection tank.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Chinese patent publication No. CN206380545U discloses a baking system of a segmented temperature control biscuit tunnel oven, which comprises a biscuit conveyor belt, a biscuit roll mark forming machine arranged at the front end of the biscuit conveyor belt, and a biscuit tunnel oven arranged at the rear end of the biscuit roll mark forming machine. In the process of baking biscuits driven by a biscuit conveying belt, residues such as biscuits are prone to being stuck to the conveying belt, biscuit scraps are prone to being left on the conveying belt, and therefore cleanliness of the conveying belt is affected.
The embodiment of the application discloses a tunnel type baking machine.
Referring to fig. 1 and 2, the tunnel type baking machine comprises a tunnel furnace 1, a conveyor belt 20 and a conveyor roller 30, wherein the conveyor belt 20 and the conveyor roller 30 are arranged in the tunnel furnace 1; the tunnel furnace 1 is provided with a feed inlet 2 and a discharge outlet 3; the conveyor belt 20 is controlled by two conveyor rollers 30 to operate, and the conveyor belt 20 is positioned between the feed port 2 and the discharge port 3; a stripping mechanism is arranged in the discharge port 3, the stripping machine framework is arranged above the conveyor belt 20, and the lower surface of the stripping mechanism is abutted against the outer surface of the conveyor belt 20; the conveyor belt 20 located below the discharge hatch 3 is provided with a cleaning mechanism. The cleaning mechanism and the conveying roller 30 are respectively driven and controlled by a motor 60. The two sides of the conveyor belt 20 are respectively provided with a bracket 12, and the conveyor roller 30 and the cleaning mechanism are respectively erected between the two brackets 12.
The discharging port 3 of the conveyor belt 20 is provided with a material removing mechanism, so that baked food can be scraped and removed from the outer surface of the conveyor belt 20 in advance by using the operation of the conveyor belt 20, the food baking operation can be facilitated, and the residue rate remained on the outer surface of the conveyor belt 20 can be reduced. The cleaning mechanism positioned below the discharge port 3 can be used for cleaning residues on the outer surface of the conveyor belt 20, so that the cleanliness of the conveyor belt 20 is improved, and the influence of the residues on the conveyor belt 20 on food baking when the conveyor belt 20 is used again is reduced.
Referring to fig. 2, one side of the tunnel furnace 1 is provided with a switch door 4, which is convenient for personnel to perform routine maintenance and cleaning on the inside of the tunnel furnace 1. A discharging hole 3 of the tunnel furnace 1 is provided with a discharging groove 70 and a discharging telescopic rod 71; one side of the feeding chute 70 is hinged with the furnace wall of the tunnel furnace 1, and the other side is a free side; one end of the blanking telescopic rod 71 is hinged to the bottom surface of the free side of the blanking groove 70, the other end of the blanking telescopic rod is hinged to the furnace wall of the tunnel furnace 1, the hinged position can be coaxial with the conveying roller 30 located at the discharge port 3, and the blanking groove 70 is connected with the roller shaft of the conveying roller 30 in an empty sleeve mode. The blanking trough 70 is controlled by a telescopic blanking rod 71 to extend and retract, and is turned upwards or downwards by taking a hinge part hinged with the furnace wall as a fulcrum. When the discharging chute 70 is turned downwards, the free side of the discharging chute 70 is positioned obliquely below the discharging port 3 and outside the cleaning mechanism, and is used for receiving the food discharged from the discharging port 3. When unloading groove 70 overturns upwards, unloading groove 70's free side seal keeps off in discharge gate 3, makes 1 discharge gate 3 of tunnel furnace block relatively, reduces the temperature in the tunnel furnace 1 and spills over, extravagant.
Referring to fig. 2, the conveyor belt 20 comprises a proceeding section 21 and a return section 22, the return section 22 being located below the proceeding section 21; the cleaning mechanism abuts the return section 22. The cleaning mechanism is arranged on the return segment 22 of the conveyor belt 20, so that the normal use of the conveyor belt 20 is not influenced, and the residues are convenient to clean.
Referring to fig. 2, a feeding bin 80 is arranged outside the feeding inlet 2 of the conveyor belt 20, and an outlet of the feeding bin 80 is abutted on the return section 22. The material spreading mechanism is arranged at the outlet of the feeding port 2 and used for keeping the food entering the tunnel furnace 1 at the same height as much as possible, so that the phenomenon that the food is unevenly heated to generate residues or is adhered to the food or the baking quality is influenced is avoided. The lower end part of the spreading mechanism is of a brush strip structure, and the spreading mechanism is detachably arranged below the inside of the tunnel furnace 1.
Referring to fig. 2, a top frame 5 is provided at the top inside the tunnel furnace 1, a plurality of upper partition plates 6 are provided below the top frame 5, and the tunnel furnace 1 is divided into a plurality of baking chambers by the plurality of upper partition plates 6; a first temperature control device 7 is arranged in each baking chamber; an opening 8 is arranged between the upper partition plate 6 and the conveyor belt 20, and the opening 8 is used for enabling the food in baking to be carried from one baking chamber to the next baking chamber through the conveyor belt 20. Tunnel furnace 1 is separated into a plurality of baking chambers by last baffle 6 to be equipped with first temperature control device 7 in every baking chamber respectively, the regulation of the temperature in each baking chamber of being convenient for like this, control do benefit to and toast food segmentation, hierarchical baking, can change the condition that food and conveyer belt 20 are stained with and glue according to the temperature of the different baking chambers of regulation control, reduce conveyer belt 20 and remain the residue.
But also can control the time of the food in different temperature environments according to the lengths of different baking chambers, thereby improving the baking effect. The temperature of the cooking chamber adjacent the feed inlet 2 is typically less than the temperature of the cooking chamber in the middle, thus avoiding more debris from the sudden expansion of the food product initially exposed to the higher temperatures. The first temperature control device 7 of the baking chamber closest to the discharge port 3 is generally only used for monitoring the temperature, heating is not carried out, and the food is baked and cooled by utilizing the residual heat of the front-end baking chamber, so that the food is naturally molded.
Referring to fig. 2, a diaphragm 9 is arranged between the process section 21 and the return section 22, and a plurality of lower diaphragms 10 corresponding to the upper diaphragms 6 are arranged on the diaphragm 9; a second temperature control device 11 is arranged on the transverse clapboard 9 corresponding to each baking chamber.
Referring to fig. 2, a relatively closed baking chamber is formed below each baking chamber by using the structure of the lower partition plate 10 and the transverse partition plate 9, so that high temperature in the baking chamber can be prevented from overflowing to cause waste, the temperature in different baking chambers can be reduced to continue baking the conveyor belt 20 of the return section 22, the temperature of the conveyor belt 20 is difficult to drop, the reutilization of the conveyor belt 20 is influenced, and the service life of the parts such as the cleaning mechanism and the bracket 12 is influenced by the heating of higher temperature in the baking chambers.
Referring to fig. 2, the second temperature control device 11 on the diaphragm plate 9 is used in cooperation with the first temperature control device 7, so as to facilitate the adjustment of the temperature in the baking chamber, and facilitate the adjustment of the temperature of the outer surface and the inner surface of the conveyor belt 20 located in the process section 21 in the baking chamber, respectively, so that the food baking is more uniform.
Referring to fig. 2, a plurality of driven rollers 31 are further disposed on the diaphragm plate 9, and cooperate with the conveying rollers 30 to operate the conveyor belt 20, so that the progressive segment 21 of the conveyor belt 20 is kept relatively flat in the tunnel oven 1, which is beneficial for food to pass through a plurality of different baking chambers uniformly, and ensures uniform heating.
Referring to fig. 1 and 2, the stripping mechanism includes a steel wire rope 40, and two ends of the steel wire rope 40 are respectively fixed to the two brackets 12; the wire rope 40 bears against the outer surface of the conveyor belt 20. The steel wire rope 40 has strong toughness, is beneficial to adjustment and tightening, has small overlapping area with the conveyor belt 20, and can not cause residues to be left on the steel wire rope 40 because the common steel wire rope 40 is thin after baked food is scraped from the conveyor belt 20 and the food is not easy to stick to the steel wire rope 40 again. And the steel wire rope 40 is convenient to disassemble, clean and maintain.
Of course, the stripping mechanism may also employ a thin scraper bar, the thickness of which gradually increases from one side to the other side away from the running direction of the conveyor belt 20. The maximum thickness of the thin scraper bar preferably does not exceed the thickness of the food product after baking.
Referring to fig. 2, the cleaning mechanism includes a cleaning brush roller 51, an elongated blade 52, a vacant section cleaner 53, a cleaning branch roller 54, and a wiper roller 55 located below the throat 2.
The cleaning brush roller 51 and the long scraper plate 52 are respectively pressed against the outer surface of the return segment 22; the cleaning brush roller 51 is located between the elongated scraper 52 and the discharge opening 3. The cleaning brush roller 51 is used for brushing up and cleaning the residue on the conveyor belt 20. However, when the cleaning brush roller 51 rotates for cleaning, the outer surface of the residue conveying belt 20 still easily remains; the long scraper 52 attached to the conveyor belt 20 is used to clean the residual residue from the cleaning brush roller 51. Thus, under the combined action of the cleaning brush roller 51 and the long hanging strips, the cleanliness of the conveyor belt 20 can be further improved.
Referring to fig. 3 and 4, the outer wall of the cleaning brush roller 51 is provided with a plurality of brush teeth 511 parallel to the central axis thereof, the brush teeth 511 located at the same periphery have different lengths, and the length of the shortest brush tooth 511 is not less than the distance from the central axis thereof to the conveyor belt 20. The different lengths of the teeth 511 may be used to brush the outer surface of the belt 20, the grid in the belt 20, the gaps, etc., respectively, as far as possible over the corners of the outer surface of the belt 20.
Referring to fig. 3 and 5, the slack eliminator 53 is installed between the process segment 21 and the return segment 22, and the lower surface of the slack eliminator 53 is pressed against the inner surface of the return segment 22. The ullage cleaner 53 includes a plurality of mounting bars 531 and two cross plates 532. The mounting bar 531 is secured to the cross plate 532 for fixedly mounting the cross bar between the brackets 12 on either side of the conveyor belt 20. The transverse plate 532 is an inclined plate. The cross plate 532 includes a free end 534 and a fixed end 533; the fixed ends 533 of the two transverse plates 532 are fixedly connected, and the fixed ends 533 are abutted against the inner surface of the return segment 22; the free end 534 of the transverse plate 532 is located outside the return segment 22; the transverse plate 532 is inclined from the fixed end 533 to the free end 534 in the direction of travel of the conveyor belt 20. The transverse plate 532 is an inclined plate, and an included angle between the transverse plate and the inner surface of the conveyor belt 20 is an acute angle, so that a similar strip groove structure is formed, and when the empty section cleaner 53 cleans residues and the like on the inner surface of the conveyor belt 20, the residues can be prevented from being lifted.
Referring to fig. 3, when the cleaning mechanism is used to clean the outer surface of the conveyor belt 20, residues and the like are liable to fall on the inner surface of the conveyor belt 20, and most of the conveyor belt 20 has meshes, and food residues on the outer surface of the conveyor belt 20 are liable to fall on the inner surface of the conveyor belt 20 through the meshes during the operation of the conveyor belt 20, so that the residues on the inner surface of the conveyor belt 20 fall back on the outer surface of the conveyor belt 20 along with the operation and vibration of the conveyor belt 20, which affects the cleanliness of the conveyor belt 20. The empty section cleaner 53 erected on the inner surface of the conveyor belt 20 can effectively reduce the occurrence of the above-mentioned residue falling back to the outer surface of the conveyor belt 20, and improve the cleanliness of the conveyor belt 20.
Referring to fig. 5, the width of the empty space cleaner 53 is greater than the width of the conveyor belt 20, so that the empty space cleaner 53 can clean the residue on the inner surface of the conveyor belt 20 and can convey the fixed end 533 of the cleaned residue color transverse plate 532 to the free end 534 until the residue is separated from the conveyor belt 20 when the conveyor belt 20 runs. This structure both can effectively clear up the internal surface of conveyer belt 20, need not the residue that manual work cooperation cleared up again, still can reduce the human cost.
Referring to fig. 3, the cleaning backup roller 54 abuts the outer surface of the return segment 22; the cleaning backup roller 54 is located below the empty segment cleaner 53. The installation of a cleaning backup roll 54 under the empty section cleaner 53 allows the empty section cleaner 53 to maintain contact with the inner surface of the conveyor belt 20, ensuring that the cleaning operation is performed. In order to prevent the empty section cleaner 53 from removing the cleaned residues, the cleaning branch roller 54 is arranged in a staggered manner with respect to the free end 534 of the transverse plate 532, so that the removed residues can be prevented from adhering to the conveyor belt 20 through the cleaning branch roller 54 again.
Referring to fig. 3, the wiping roller 55 is disposed against the outer surface of the conveyor belt 20 for wiping the outer surface of the conveyor belt 20 cleaned and rolled by the cleaning brush roller 51, the long scraper 52 and the cleaning branch roller 54, so as to ensure the outer surface of the conveyor belt 20 entering the proceeding section 21 from the feeding inlet 2 to be smooth and clean, and reduce the problems of sticking and the like caused by residues and the like.
Referring to fig. 3, a waste collection groove 82 is arranged below the cleaning mechanism, and the width of the waste collection groove 82 is not less than that of the conveyor belt 20; the bottom wall of the waste collection gutter 82 is inclined to one side in the direction of travel of the conveyor belt 20.
Referring to fig. 3, the garbage collection groove 82 located below the cleaning mechanism can effectively collect the residues and the scraps cleaned by various cleaning mechanisms in time, so as to avoid the influence of the residues and the scraps on the environmental cleanliness due to the fact that the residues and the scraps are directly located below the baking machine, and reduce the influence on the tunnel furnace 1 and the conveyor belt 20 in the tunnel furnace 1. The waste collection tank 82 can be made of stainless steel, and the stainless steel is not easy to stick to residues due to the characteristics of the stainless steel, so that the waste collection tank 82 can be cleaned conveniently. And the side wall of the waste collecting groove 82 can be set to be an inclined surface, so that the collection of residue and debris in the waste collecting groove 82 at the bottom of the groove is further accelerated.
The implementation principle of the tunnel type baking machine in the embodiment of the application is as follows:
referring to fig. 3, the reasons why the baked food is stuck with the residue and crumbs on the conveyor belt 20 are generally that the baked food is crisp and easy to fall crumbs, and the temperature adjustment and control during the baking process of the food are not uniform and unreasonable.
Referring to fig. 3, the tunnel oven 1 is divided into a plurality of baking chambers with different temperatures by the upper partition plate 6, the lower partition plate 10, the transverse partition plate 9, the first temperature control device 7 and the second temperature control device 11, so that the baking operation with different temperatures is conveniently performed on food segments on the conveyor belt 20, the baking temperature is ensured to be reasonable and controllable, and the situation that the food is adhered to the conveyor belt 20 due to temperature regulation and control is reduced.
Referring to fig. 3, the discharging hole 3 of the conveyor belt 20 is provided with a material removing mechanism, so that the baked food can be scraped and removed from the outer surface of the conveyor belt 20 in advance by the operation of the conveyor belt 20, which not only facilitates the discharging operation of the baked food, but also reduces the residue rate left on the outer surface of the conveyor belt 20.
Referring to fig. 3, in the present application, cleaning mechanisms such as a cleaning brush roller 51, a long scraper 52, an empty section cleaner 53 are arranged in the return section 22 of the conveyor belt 20, and are used for cleaning and removing impurities from the outer surface and the inner surface of the conveyor belt 20, so that the cleanliness of the conveyor belt 20 is greatly improved, and the influence of residues on the conveyor belt 20 on food baking when the conveyor belt 20 is reused is reduced. The cleaning brush roller 51 utilizes the brush teeth 511 with different lengths to clean the outer surface of the conveyor belt 20 and the grids of the conveyor belt 20, so that residues and the like are separated from the long scraper 52 of the conveyor belt 20 and used for cleaning the residues which possibly participate in the outer surface of the conveyor roller 30 after being cleaned by the cleaning brush roller 51, and the cleanness of the conveyor belt 20 is further improved. When the conveyor belt 20 is in operation, the empty section cleaner 53 may be configured to clean the residue on the inner surface of the conveyor belt 20 by the empty section cleaner 53, or may be configured to convey the fixed end 533 of the cleaned residue color transverse plate 532 to the free end 534 until the residue is separated from the conveyor belt 20. This structure both can effectively clear up the internal surface of conveyer belt 20, need not the residue that manual work cooperation cleared up again, still can reduce the human cost.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A tunnel type baking machine comprises a tunnel furnace (1), a conveyor belt (20) and a conveyor roller (30), wherein the conveyor belt (20) and the conveyor roller are arranged in the tunnel furnace (1); the tunnel furnace (1) is provided with a feeding hole (2) and a discharging hole (3); the conveyor belt (20) is controlled by at least two conveyor rollers (30) to operate, and the conveyor belt (20) is positioned between the feed port (2) and the discharge port (3); the method is characterized in that: a stripping mechanism is arranged in the discharge port (3), the stripping machine framework is arranged above the conveyor belt (20), and the lower surface of the stripping mechanism is abutted against the outer surface of the conveyor belt (20); the conveying belt (20) positioned below the discharge hole (3) is provided with a cleaning mechanism.
2. The tunnel roaster of claim 1, wherein: the two sides of the conveyor belt (20) are respectively provided with a bracket (12), and the conveyor roller (30) and the cleaning mechanism are respectively erected between the two brackets (12); the stripping mechanism comprises a steel wire rope (40), and two ends of the steel wire rope (40) are respectively fixed to the two brackets (12); the steel wire rope (40) is pressed against the outer surface of the conveyor belt (20).
3. The tunnel roaster of claim 1, wherein: the conveyor belt (20) comprises a process section (21) and a return section (22), and the return section (22) is positioned below the process section (21); the cleaning mechanism abuts against the return segment (22).
4. The tunnel roaster of claim 3, wherein: the cleaning mechanism comprises a cleaning brush roll (51) and a long scraper (52), and the cleaning brush roll (51) and the long scraper (52) are respectively abutted against the outer surface of the return segment (22); the cleaning brush roll (51) is positioned between the long scraper (52) and the discharge hole (3).
5. The tunnel roaster of claim 4, wherein: the cleaning mechanism further comprises a dead-end cleaner (53); the empty section cleaner (53) is arranged between the process section (21) and the return section (22), and the lower surface of the empty section cleaner (53) is abutted against the inner surface of the return section (22).
6. The tunnel roaster of claim 5, wherein: the empty section cleaner (53) comprises two transverse plates (532), and the transverse plates (532) are inclined plates; the cross plate (532) comprises a free end (534) and a fixed end (533); the fixed ends (533) of the two transverse plates (532) are fixedly connected, and the fixed ends (533) are propped against the inner surface of the return segment (22); the free end (534) of the transverse plate (532) is positioned outside the return segment (22); the transverse plate (532) inclines from the fixed end (533) to the free end (534) along the running direction of the conveyor belt (20).
7. The tunnel roaster of claim 5, wherein: the cleaning mechanism also comprises a cleaning branch roller (54), and the cleaning branch roller (54) is abutted against the outer surface of the return segment (22); the cleaning branch roller (54) is positioned below the empty section cleaner (53).
8. The tunnel roaster of claim 3, wherein: a plurality of upper partition plates (6) are arranged in the tunnel furnace (1), and the tunnel furnace (1) is divided into a plurality of baking chambers by the upper partition plates (6); a first temperature control device (7) is arranged in each baking chamber; and a through opening (8) is arranged between the upper partition plate (6) and the conveyor belt (20).
9. The tunnel roaster of claim 8, wherein: a transverse clapboard (9) is arranged between the process section (21) and the return section (22), and a plurality of lower clapboards (10) corresponding to the upper clapboards (6) are arranged on the transverse clapboard (9); and a second temperature control device (11) is arranged on the transverse clapboard (9) corresponding to each baking chamber.
10. The tunnel roaster of claim 1, wherein: a waste collecting tank (82) is arranged below the cleaning mechanism, and the width of the waste collecting tank (82) is not less than that of the conveyor belt (20); the bottom wall of the waste collection groove (82) is inclined to one side along the running direction of the conveyor belt (20).
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| CN202010680417.2A CN111789134B (en) | 2020-07-15 | 2020-07-15 | Tunnel type baking machine |
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| CN202010680417.2A CN111789134B (en) | 2020-07-15 | 2020-07-15 | Tunnel type baking machine |
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| CN111789134B (en) | 2022-03-18 |
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