A kind of having moving rollers and the tea drying device of adjustable speed
Technical field
The application relates to drying unit field, is specially the tea drying device of a kind of having moving rollers and adjustable speed.
Background technology
Dry in mechanical field at some, especially in drying tea leaves machinery field, often use oven dry of blowing to leave near tealeaves to be blown away by moisture.In order to ensure that tealeaves is dried equably comprehensively, often circumferentially evenly blow openings is set the whole of drying unit, to purge the whole periphery of tealeaves conveyer belt.
But for tealeaves in the overall drying process, the distribution of its moisture is uneven often, this often will waste the more time by whole drying tea leaves for the drying unit of evenly blowing.And this uniform air blowing to be often difficult to cause for tealeaves in the upset towards certain preferential direction, is difficult to the side of tealeaves or bottom surface directly to be stirred.
And due to the operation characteristic of air-flow and the feature such as the quantity of gas channel is more, but the congestion situations of this gas channel often easily occurs is not easy to be found, or is not easy overcome or correct at once.This brings mass defect to the production carried out continuously.Shut down and carry out safeguarding, can production efficiency be reduced and bring extra production cost.
Summary of the invention
The object of the present invention is to provide the tea drying device of a kind of having moving rollers and adjustable speed, it can overcome above-mentioned defect of the prior art.
According to the present invention, a kind of having moving rollers and the tea drying device of adjustable speed, comprise symmetrical oven dry airflow blow in structure, described oven dry airflow blow is comprised the annular body portion that is provided with axially extended cylindric air blowing drying channel and to be supported on described annular body portion by radial struts and to hold the annular outer cover part of described annular body portion, be provided with in described annular body portion in the axial direction equally distributed many radial air blowing air flues so that the radial direction of air-flow along described cylindric air blowing drying channel is inputted, described air blowing drying channel is used for passing for the net formula conveyer belt of carrying tealeaves, it is the distribution of air flow chamber of annular between described annular outer cover part and described annular body portion, for receiving air-flow input and by distribution of air flow to described many radial air blowing air flues, the two ends, left and right of described distribution of air flow chamber are provided with structurally revolvable two air-flows input closed-loop of specular mutually respectively symmetrically, wherein, the air-flow input channel of an axis is provided with in each in described two air-flows input closed-loop, and for the air-flow input closed-loop on right side in described two air-flows input closed-loop, the left end of described air-flow input closed-loop is connected by left side bearing with between described annular body portion and rotates inner seal ring in the left side that passes on left of described left side bearing and be sealed and matched, rotate exterior seal ring by left side between described air-flow input closed-loop and described annular outer cover part and be sealed and matched, the left and right sides of described oven dry airflow blow is fixedly connected with two the air-flow input channel components including main body ring part of structurally specular mutually respectively symmetrically, for the air-flow input channel component on the right side in described two air-flow input channel components, convex extension part is fixedly installed in order to stretch out towards described air blowing drying channel thus to locate described air-flow input channel component on the left of it, each in described two air-flow input channel components is respectively arranged with air cavity housing in the periphery around described main body ring part thus forms the annular air cavity with air-flow input port between described air cavity housing and described main body ring part, for the air-flow input closed-loop on the right side in described two air-flows input closed-loop, its right-hand member extend in described annular air cavity, and be connected by right bearing between the outer circumference surface of described main body ring part and be sealed and matched by right side rotating interior seal circle on the right side of described right bearing, and rotate exterior seal ring with the inner peripheral surface of described air cavity housing by right side and be sealed and matched, symmetrical two drive motors are respectively arranged with at two ends, the left and right place of described oven dry airflow blow, described drive motors comprises outer rotor and is arranged on the inner stator in described outer rotor, described inner stator is fixed on the upside of described annular outer cover part and described air cavity housing, described outer rotor be fixed between described annular outer cover part with described air cavity housing and the periphery of described outer rotor be provided with rotor gear in order to accordingly be fixedly installed on the gear part that described air-flow inputs in the middle part of closed-loop and engage, be provided with electronic-controlled installation on the left of the shell of described drive motors to be electrically connected with described drive motors, described electronic-controlled installation is in order to control the rotating speed of described drive motors, each described air-flow input channel component is provided with tea leaf delivery channel in order to be communicated with described air blowing drying channel and to supply described net formula conveyer belt to pass along central axial direction, thus, air-flow is inputted by each described air-flow input port thus arrives in described distribution of air flow chamber via the described air-flow input channel in described air-flow input closed-loop, and then in the described air blowing drying channel that arrives, air blowing oven dry being carried out to the tealeaves be carried on described net formula conveyer belt via described many radial air blowing air flues, the outer rotor of each described drive motors can drive corresponding air-flow input closed-loop rotate thus change the circumferential position of described air-flow input channel, wherein, the bottom of described annular outer cover part and described air cavity housing is fixedly connected with fixing base frame, be provided with shifting roller bottom described fixing base frame to move in order to drive described oven dry airflow blow, the shifting roller arranged bottom each described fixing base frame has two.
Pass through the present invention, owing to providing the symmetrical air-flow input closed-loop that can rotate, it can use single gas channel and the circumferential position rotating this single gas channel and select air-flow to supply, thus, can be formed in and a certain preferential direction adds air blast, also be, insufflation channel in the circumferential near this single gas channel often has comparatively air volume, thus emphasis purging is carried out in region that can be heavier to moisture as required, and, what use this selected direction adds air blast, stirring of slight amount can be carried out to tealeaves in long technical process, thus be easy to its bottom surface or side to dry up.And this air-flow input closed-loop that can rotate of two ends, left and right symmetry is set, can guarantee that air-flow flow loss is in the axial direction minimum, and two this single gas channels can be made to run in same phase place or out of phase, to carry out omnibearing purging to the tealeaves in same distance segment.Use penetrating net formula conveyer belt then can improve the permeability of tealeaves on bottom surface, coordinate this omnibearing air blowing to purge and dry.To little obstruction or the gas channel that do not block completely carry out selective near and its windage loss is compensated, the even property of circumferential asymmetry of air-flow can be corrected thus.At maintenance phase, rapid purging can be carried out to many described radial air blowing air flues, to remove wherein residual bits shape thing or floccule by the rotation of this air-flow input closed-loop.By arranging discrete air-flow input channel component, this air-flow can be made to input closed-loop and to be convenient to installation and maintenance, and being convenient to drive motors is installed.Outer rotor be arranged so that compact conformation, and can transmission link be reduced, be adapted to the driving of this air-flow input closed-loop, can the rotating speed of drive motors be controlled by electronic-controlled installation thus the circumferential position of air-flow input channel can be changed as required fast.Whole apparatus structure is solid and reliable, and stable performance is also convenient to safeguard.
Accompanying drawing explanation
Fig. 1 is having moving rollers of the present invention and the overall structure schematic diagram of the tea drying device of adjustable speed.
Fig. 2 is the sectional structure schematic diagram along the direction of arrow in Fig. 1.
Detailed description of the invention
Below in conjunction with Fig. 1-2, the present invention is described in detail.
According to the having moving rollers of embodiment and the tea drying device of adjustable speed, comprise symmetrical oven dry airflow blow 5 in structure, described oven dry airflow blow 5 is comprised the annular body portion 53 that is provided with axially extended cylindric air blowing drying channel 50 and to be supported on described annular body portion 53 by radial struts 58 and to hold the annular outer cover part 54 of described annular body portion 53, be provided with in described annular body portion 53 in the axial direction equally distributed many radial air blowing air flues 51 so that the radial direction of air-flow along described cylindric air blowing drying channel 50 is inputted, described air blowing drying channel 50 is for passing for the net formula conveyer belt 59 of carrying tealeaves, it is the distribution of air flow chamber 540 of annular between described annular outer cover part 54 and described annular body portion 53, for receiving air-flow input and by distribution of air flow to described many radial air blowing air flues 51, the two ends, left and right of described distribution of air flow chamber 540 are provided with structurally revolvable two air-flows input closed-loop 7 of specular mutually respectively symmetrically, wherein, the air-flow input channel 71 of an axis is provided with in each in described two air-flows input closed-loop 7, and for the air-flow input closed-loop 7 on right side in described two air-flows input closed-loop 7, the left end of described air-flow input closed-loop 7 is connected by left side bearing 81 with between described annular body portion 53 and rotates inner seal ring 82 in the left side that passes on left of described left side bearing and be sealed and matched, rotate exterior seal ring 73 by left side between described air-flow input closed-loop 7 and described annular outer cover part 54 and be sealed and matched, the left and right sides of described oven dry airflow blow 5 is fixedly connected with two the air-flow input channel components 9 including main body ring part 93 of structurally specular mutually respectively symmetrically, for the air-flow input channel component 9 on the right side in described two air-flow input channel components 9, convex extension part 98 is fixedly installed in order to stretch out towards described air blowing drying channel 50 thus to locate described air-flow input channel component 9 on the left of it, each in described two air-flow input channel components 9 is respectively arranged with air cavity housing 94 in the periphery around described main body ring part 93 thus between described air cavity housing 94 and described main body ring part 93, forms the annular air cavity 940 with air-flow input port 941, for the air-flow input closed-loop 7 on the right side in described two air-flows input closed-loop 7, its right-hand member extend in described annular air cavity 940, and be connected by right bearing 91 between the outer circumference surface of described main body ring part 93 and be sealed and matched by right side rotating interior seal circle 92 on the right side of described right bearing, and rotate exterior seal ring 72 with the inner peripheral surface of described air cavity housing 94 by right side and be sealed and matched, symmetrical two drive motors 8 are respectively arranged with at two ends, the left and right place of described oven dry airflow blow 5, the inner stator 60 that described drive motors 8 comprises outer rotor 6 and is arranged in described outer rotor 6, described inner stator 60 is fixed on the upside of described annular outer cover part 54 and described air cavity housing 94, described outer rotor 6 be fixed between described annular outer cover part 54 with described air cavity the housing 94 and periphery of described outer rotor 6 be provided with rotor gear 61 in order to accordingly be fixedly installed on the gear part 77 that described air-flow inputs in the middle part of closed-loop 7 and engage, be provided with electronic-controlled installation 82 on the left of the shell of described drive motors 8 to be electrically connected with described drive motors 8, described electronic-controlled installation 82 is in order to control the rotating speed of described drive motors 8, each described air-flow input channel component 9 is provided with tea leaf delivery channel 90 in order to be communicated with described air blowing drying channel 50 and to supply described net formula conveyer belt 59 to pass along central axial direction, thus, air-flow is inputted by each described air-flow input port 941 thus arrives in described distribution of air flow chamber 540 via the described air-flow input channel 71 in described air-flow input closed-loop 7, and then in the described air blowing drying channel 50 that arrives, air blowing oven dry being carried out to the tealeaves be carried on described net formula conveyer belt 59 via described many radial air blowing air flues 51, the outer rotor 6 of each described drive motors 8 can drive corresponding air-flow input closed-loop 7 rotate thus change the circumferential position of described air-flow input channel 71, wherein, the bottom of described annular outer cover part 54 and described air cavity housing 94 is fixedly connected with fixing base frame 11, be provided with shifting roller 13 bottom described fixing base frame 11 to move in order to drive described oven dry airflow blow 5, the shifting roller 13 arranged bottom each described fixing base frame 11 has two.
Alternatively, wherein, described net formula conveyer belt 59 has gas permeability.
Owing to providing the symmetrical air-flow input closed-loop that can rotate, it can use single gas channel and the circumferential position rotating this single gas channel and select air-flow to supply, thus, can be formed in and a certain preferential direction adds air blast, also be, insufflation channel in the circumferential near this single gas channel often has comparatively air volume, thus emphasis purging is carried out in region that can be heavier to moisture as required, and, what use this selected direction adds air blast, stirring of slight amount can be carried out to tealeaves in long technical process, thus be easy to its bottom surface or side to dry up.And this air-flow input closed-loop that can rotate of two ends, left and right symmetry is set, can guarantee that air-flow flow loss is in the axial direction minimum, and two this single gas channels can be made to run in same phase place or out of phase, to carry out omnibearing purging to the tealeaves in same distance segment.Use penetrating net formula conveyer belt then can improve the permeability of tealeaves on bottom surface, coordinate this omnibearing air blowing to purge and dry.To little obstruction or the gas channel that do not block completely carry out selective near and its windage loss is compensated, the even property of circumferential asymmetry of air-flow can be corrected thus.At maintenance phase, rapid purging can be carried out to many described radial air blowing air flues, to remove wherein residual bits shape thing or floccule by the rotation of this air-flow input closed-loop.By arranging discrete air-flow input channel component, this air-flow can be made to input closed-loop and to be convenient to installation and maintenance, and being convenient to drive motors is installed.Outer rotor be arranged so that compact conformation, and can transmission link be reduced, be adapted to the driving of this air-flow input closed-loop, can the rotating speed of drive motors be controlled by electronic-controlled installation thus the circumferential position of air-flow input channel can be changed as required fast.
By with upper type, those skilled in the art can make various change according to mode of operation within the scope of the invention.