Disclosure of Invention
The invention provides a constant temperature workbench, which has the advantage of being capable of controlling the temperature of the surface of the workbench, and solves the problems that the prior market does not have products capable of controlling the temperature of the surface of the workbench, so that the problems of early fermentation or delayed fermentation of bread and failure of yeast in the dough kneading and making process occur frequently, and the quality bread and cakes cannot be produced.
The invention provides the following technical scheme: the constant temperature workbench comprises a workbench side wall frame, a bedplate is fixedly arranged at the top of the workbench side wall frame, two first preset cavities which are distributed front and back are formed in the bedplate, a second preset cavity is formed in the bedplate, the second preset cavity is positioned between the two first preset cavities, the left end of the second preset cavity is communicated with the left ends of the two first preset cavities, two air inlets which are distributed front and back are fixedly connected to the right side surface of the bedplate, two air inlets are communicated with the interiors of the two first preset cavities, an air outlet is fixedly connected to the middle part of the right side surface of the bedplate, the air outlet is communicated with the interiors of the second preset cavities, a fit cavity is formed in the tops of the first preset cavity and the second preset cavity, a heating wire is fixedly arranged in the fit cavity, a refrigerating machine is fixedly arranged on the right side of the bottom wall of the workbench side wall frame, the refrigerating pipe is fixedly connected between the output end of the refrigerating machine and the input ports of the two air inlets, the return pipe is fixedly connected between the input port of the refrigerating machine and the output port of the air outlet, the top walls of the first preset cavity and the second preset cavity are fixedly connected with a plurality of heat conducting fins, the heat conducting fins are distributed in an equidistant linear array, the bottoms of the heat conducting fins are in clearance fit with the bottom walls of the first preset cavity and the second preset cavity, the two side surfaces of the heat conducting fins are in clearance fit with the inner walls of the two sides of the first preset cavity and the second preset cavity, the top of the side wall frame of the workbench is slidably provided with a dustproof cover, the bottom of the dustproof cover is fixedly provided with a sealing rubber ring, the dustproof cover is arranged in a cavity mechanism with the bottom upwards and inwards arched, the back of the dustproof cover is fixedly connected with a lifting plate, the utility model discloses a lifting plate, including the fixed seat, servo motor, screw hole has been seted up downwards in the middle of the top of lifter plate, the sliding hole that distributes about two has been run through downwards in the top of lifter plate, sliding hole inside sliding connection has the polished rod, two the bottom of polished rod is connected with a fixing base jointly, fixing base fixed connection is at the back middle part of workstation side wall frame, fixedly connected with servo motor in the middle of the bottom of fixing base, servo motor's output shaft activity runs through the fixing base, and extends to its top periphery, servo motor's output shaft tip passes through shaft coupling fixedly connected with lead screw, the lead screw passes through screw-thread fit connection with the screw hole, the back fixedly connected with backplate of fixing base, the top of backplate is the shape setting of buckling forward, just the tip roof of buckling end of backplate and the top fixedly connected with of two polished rods.
Preferably, the position of the right side of the front surface of the side wall frame of the workbench, which is close to the upper position, is fixedly connected with a PLC control box, the output end of the PLC control box is electrically connected with the input end of the refrigerator and the input end of the heating wire, and the input end of the PLC control box is electrically connected with the output end of the external power supply.
Preferably, the front of the side frame of the workbench is rotationally connected with a plurality of cabinet doors through door hinges, and the right side surface of the side frame of the workbench is internally provided with a plurality of heat dissipation openings in a penetrating way, wherein the heat dissipation openings are distributed up and down.
Preferably, the bottom front end and the bottom rear end of the workbench side wall frame are fixedly connected with three support bases which are distributed left and right, the bottoms of the support bases are provided with anti-slip pads, and the left side surface upper portion and the right side surface upper portion of the workbench side wall frame are fixedly connected with holding bars.
Preferably, the bottom of workstation side wall frame is close to the equal fixedly connected with fixed sliding frame in four corners department, the inside sliding connection of fixed sliding frame has the rack, the rack activity runs through the bottom of fixed sliding frame and extends to its periphery, wherein is located left both sides all be connected with a back shaft jointly between rack and the two that are located right the tip outer wall of back shaft is all rotated and is connected with the gyro wheel.
Preferably, a torsion bar is rotationally connected between the two fixed sliding frames positioned on the left side and the two fixed sliding frames positioned on the right side, gears are fixedly connected to the outer walls of the end parts of the torsion bars, the gears are positioned in the fixed sliding frames, the periphery of the gears are meshed with the outer sides of racks, worm gears are fixedly connected to the middle parts of the outer walls of the torsion bars, worms are meshed to the tops of the worm gears, a rotating rod is fixedly connected to the two worm gears in a central hole, the rotating rod is rotationally connected with the lower parts of the left side surfaces and the lower parts of the right side surfaces of the side frames of the workbench through bearings, and torsion handles are fixedly connected to the right ends of the rotating rods.
The invention has the following beneficial effects:
1. the constant temperature workbench can set the temperature according to the characteristics of saccharomycetes, adjust the air flow of the pre-adjusting cavity to enter the workbench for heating or refrigerating, realize the temperature adjustment of the workbench surface, strictly control the temperature of the flour fermentation process in the bread making process, and avoid early fermentation in the making process.
2. This constant temperature workstation, servo motor's output shaft drive lead screw rotates for under the screw thread with the screw hole connects the effect soon, drive lifter plate along two polished rods downwardly sliding, further drive dust cover and sealing rubber circle and move down synchronous, with the top surface butt of platen, thereby utilize the dust cover to carry out the buckle closure at platen top fermented flour to place, through utilizing sealing rubber circle and platen butt, further promoted the seal between dust cover and the platen, avoid the dust to get into inside from the space between platen and the dust cover, cause the pollution to flour, the clean and tidy nature of having promoted the flour fermentation in-process, can play certain thermal-insulated effect to the flour that the platen top is fermenting simultaneously, avoid the quick loss of heat.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the constant temperature workbench comprises a workbench side frame 1, a bedplate 2 is fixedly arranged at the top of the workbench side frame 1, two first preset cavities 201 which are distributed front and back are formed in the bedplate 2, a second preset cavity 202 is formed in the bedplate 2, the second preset cavity 202 is positioned between the two first preset cavities 201, the left end of the second preset cavity 202 is communicated with the left ends of the two first preset cavities 201, two air inlets 203 which are distributed front and back are fixedly connected to the right side surface of the bedplate 2, the two air inlets 203 are communicated with the interiors of the two first preset cavities 201, an air outlet 204 is fixedly connected to the middle part of the right side surface of the bedplate 2, the air outlet 204 is communicated with the interiors of the second preset cavities 202, a fit cavity 205 is formed in the tops of the first preset cavity 201 and the second preset cavity 202, a heating wire 4 is fixedly arranged in the fit cavity 205, the refrigerator 3 is fixedly arranged on the right side of the bottom wall of the workbench side wall frame 1, a refrigerating pipe 301 is fixedly connected between the output end of the refrigerator 3 and the input ports of the two air inlets 203, a return pipe 302 is fixedly connected between the input port of the refrigerator 3 and the output port of the air outlet 204, when the ambient temperature is lower, heat radiation is carried out to the interior of the bedplate 2 through heating of the heating wire 4, thereby heating the bedplate 2, heat is further transferred to the interior of flour at the top of the bedplate 2 through the bedplate 2, the flour is heated, the delayed fermentation of the flour in the manufacturing process due to low temperature is avoided, if the ambient temperature is higher, cold air is conveyed to the interiors of the two first preset cavities 201 through the two refrigerating pipes 301 and the two air inlets 203 by starting the refrigerator 3, and enters the interiors of the second preset cavities 202 from the two first preset cavities 201, and then the cold air flows back to the refrigerator 3 through the air outlet 204 and the return pipe 302, and when flowing in the first preset cavity 201 and the second preset cavity 202, the cold air absorbs the heat of the platen 2, so that the temperature of the platen 2 is reduced, the flour at the top of the platen 2 is further cooled, the flour is prevented from fermenting in advance due to overhigh temperature, and the taste of the manufactured panel is improved.
In this embodiment, the top walls of the first preset cavity 201 and the second preset cavity 202 are fixedly connected with a plurality of heat conducting fins 206, the plurality of heat conducting fins 206 are distributed in an equidistant linear array, the bottoms of the plurality of heat conducting fins 206 are in clearance fit with the bottom walls of the first preset cavity 201 and the second preset cavity 202, two side surfaces of the heat conducting fins 206 are in clearance fit with the inner walls of the two sides of the first preset cavity 201 and the second preset cavity 202, and by arranging the plurality of heat conducting fins 206, the contact area of heat exchange between the platen 2 and cold air is further increased, so that the cooling speed of the platen 2 is accelerated, early flour fermentation caused by overhigh temperature is avoided, and the taste of the manufactured panel is improved.
In the embodiment, the top of the side frame 1 of the workbench is slidably provided with a dustproof cover 5, the bottom of the dustproof cover 5 is fixedly provided with a sealing rubber ring 501, the dustproof cover 5 is arranged in a cavity mechanism with the bottom of the dustproof cover being upwards and inwards arched, the back of the dustproof cover 5 is fixedly connected with a lifting plate 502, a threaded hole 507 is downwards penetrated and arranged in the middle of the top of the lifting plate 502, two sliding holes distributed left and right are downwards penetrated and arranged in the top of the lifting plate 502, a polished rod 503 is slidably connected in the sliding holes, the bottoms of the two polished rods 503 are jointly connected with a fixed seat 504, the fixed seat 504 is fixedly connected in the middle of the back of the side frame 1 of the workbench, a servo motor 505 is fixedly connected in the middle of the bottom of the fixed seat 504, an output shaft of the servo motor 505 movably penetrates through the fixed seat 504 and extends to the periphery of the top of the fixed seat, the output shaft end of the servo motor 505 is fixedly connected with a screw 506 through a coupling, the screw rod 506 is connected with the threaded holes 507 through screw thread fit, the back of the fixed seat 504 is fixedly connected with the back plate 508, the top of the back plate 508 is arranged in a forward bending mode, the top wall of the bending end of the back plate 508 is fixedly connected with the top ends of the two polished rods 503, the screw rod 506 is driven to rotate through the output shaft of the servo motor 505, so that under the action of screw thread screwing with the threaded holes 507, the lifting plate 502 is driven to slide downwards along the two polished rods 503, the dustproof cover cap 5 and the sealing rubber ring 501 are further driven to move downwards synchronously and abut against the top surface of the bedplate 2, flour placed at the top of the bedplate 2 is covered by the dustproof cover cap 5, the tightness between the dustproof cover cap 5 and the bedplate 2 is further improved by abutting against the bedplate 2 by the sealing rubber ring 501, dust is prevented from entering the inside from a gap between the bedplate 2 and the dustproof cover cap 5, pollution is caused to the flour, the cleanliness in the flour fermentation process is improved, meanwhile, the flour fermenting at the top of the bedplate 2 can be subjected to a certain heat insulation effect, and the rapid heat dissipation is avoided.
In this embodiment, the front right side of the workbench side frame 1 is fixedly connected with a PLC control box 6 near the upper position, the output end of the PLC control box 6 is electrically connected with the input end of the refrigerator 3 and the input end of the heating wire 4, the input end of the PLC control box 6 is electrically connected with the output end of the external power supply, the PLC control box 6 is arranged so as to start the heating wire 4 and the refrigerator 3, and the heating temperature of the heating wire 4 and the refrigerating temperature of the refrigerator 3 can be regulated and controlled by the PLC control box 6, so that the temperature of the flour fermentation process is strictly controlled in the bread making process, and the early fermentation in the making process is avoided.
In this embodiment, the front of workstation side wall frame 1 is connected with a plurality of cabinet doors 7 through the door hinge rotation, and the inward running of right flank of workstation side wall frame 1 has offered a plurality of thermovent 8 that distribute from top to bottom, has played the effect of shielding the inside of workstation side wall frame 1 through setting up cabinet door 7, simultaneously through setting up thermovent 8, has played the radiating effect of working to refrigerator 3, avoids refrigerator 3 to take place high temperature damage, has improved refrigerator 3's life.
In this embodiment, the bottom front end and the bottom rear end of workstation side wall frame 1 all fixedly connected with support base 9 that distributes about three, the bottom of supporting base 9 is provided with the slipmat, and the equal fixedly connected with grip lever 10 in left side upper portion and right side upper portion of workstation side wall frame 1 is through setting up a plurality of support base 9 to support the effect to the workstation is whole, in order to improve the overall stability of workstation, and through setting up two grip levers 10, in order to lift the fortune to the workstation is whole.
In this embodiment, fixed sliding frames 11 are fixedly connected to the bottom of the side frame 1 of the workbench near four corners, racks 1101 are fixedly connected to the outer walls of the fixed sliding frames 11 in a sliding manner, racks 1101 movably penetrate through the bottoms of the fixed sliding frames 11 and extend to the peripheries of the racks 1101, a supporting shaft 1102 is commonly connected between the racks 1101 on the left side and the racks 1101 on the right side, rollers 1103 are rotatably connected to the outer walls of the end portions of the two supporting shafts 1102, a torsion bar 1104 is rotatably connected between the two fixed sliding frames 11 on the left side and the two fixed sliding frames 11 on the right side, gears 1105 are fixedly connected to the outer walls of the end portions of the two torsion bars 1104, the gears 1105 are positioned in the fixed sliding frames 11, the peripheries of the gears 1101 are meshed with the outer sides of the racks 1101, worm gears 1106 are fixedly connected to the middle parts of the outer walls of the two torsion bars 1104, worms 1103 are meshed with the tops of the two worms 1103, a rotating rod 1108 is commonly connected to the center holes of the two worms 1107 in a rotating manner, the rotating rod 1108 is rotatably connected to the lower portion of the left side surface of the workbench frame 1 and the lower portion of the right side of the worm wheel 1108, and the lower portion of the right side of the workbench frame 1108 are rotatably connected to the worm wheel 1108 through the worm wheel shafts, and the two torsion bars 1108 are rotatably connected to the two worm wheels 1109, and the two torsion bars 1109 are rotatably connected to the two torsion bars are rotatably and the two torsion bars 1109 are rotatably connected to the two handles, and the handles 1109 are rotatably and the handles are rotatably connected to the handles 1109 in a rotating manner and are rotatably connected to the handles, and the handles are rotatably and the handles are connected to the handles. The supporting bases 9 are separated from the ground, at this time, the workbench is driven to integrally move through the rolling action of the four rollers 1103 under the action of external force, so that the overall flexibility of the workbench is improved.
The bread maker is characterized in that in the process of making bread, a baker places kneaded flour on the top of the platen 2, waits for flour fermentation to be completed, starts the servo motor 505 in the period, drives the screw rod 506 to rotate through the output shaft of the servo motor 505, so that under the action of screwing with the screw threads of the threaded holes 507, the lifting plate 502 is driven to slide downwards along the two polished rods 503, and further drives the dustproof cover 5 and the sealing rubber 501 to move downwards synchronously and abut against the top surface of the platen 2, so that flour placed on the top of the platen 2 for fermentation is covered by the dustproof cover 5, the sealing rubber 501 abuts against the platen 2, the tightness between the dustproof cover 5 and the platen 2 is further improved, dust is prevented from entering the interior from a gap between the platen 2 and the dustproof cover 5, pollution is caused by flour, and the cleanliness in the flour fermentation process is improved;
during fermentation, a baker starts the refrigerator 3 or the heating wire 4 through the PLC control box 6 according to the selectivity of the ambient temperature, when the ambient temperature is lower, the heating wire 4 is started through the PLC control box 6, after the heating temperature of the heating wire 4 is regulated and controlled, heat radiation is carried out to the interior of the bedplate 2 through heating of the heating wire 4, thereby the bedplate 2 is heated, heat is further transferred to the interior of flour at the top of the bedplate 2 through the bedplate 2, the flour is heated, the delayed fermentation of the flour in the manufacturing process caused by low temperature is avoided, if the ambient temperature is higher, the refrigerator 3 is utilized to convey cold air to the interiors of the two first preset cavities 201 through the two refrigerating pipes 301 and the two air inlets 203, and the two first preset cavities 201 are fed back to the interiors of the second preset cavities 202 through the air outlets 204 and the back pipes 302, during the period, the cold air is absorbed by the interiors of the first preset cavities 201 and the second preset cavities 202, the heat on the plurality of heat conducting pieces 206 is avoided, the temperature of the inner heat conducting pieces 206 is reduced, the temperature of the bedplate 2 is further reduced, and the top of the bedplate 2 is further cooled by the heat conducting pieces is prevented from being quickly cooled, and the temperature of the top of the bedplate 2 is further reduced, and the flour is further cooled by the heat-cooled.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.