Grain screening and sorting mechanism on lower portion of grain dryer
A grain dryer and grain distribution technology, which is applied in the directions of sieve, solid separation, grille, etc., can solve the problems such as the lack of effective transmission of the vibration force, the reduction of the effectiveness of the vibration device, and the single position of the vibration force of the vibration device. , to achieve the effect of promoting efficient and fast screening and improving practicability
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Embodiment 1
[0027] A grain distribution mechanism for the lower part of a grain dryer, including a grain distribution box 1 and a vibrating device 7 installed on the grain distribution box 1. A hollow feed box 2 is installed on the upper part of the inner cavity of the grain distribution box 1. The feed box 2. The main sieve plate 3 and the grain storage box 4 located in the inner cavity of the grain distribution box 1 are installed in sequence from top to bottom. The connection between the vibration equipment 7 and the grain distribution box 1 is equipped with a force transmission plate 6, and the force transmission plate At least one arc peak and arc valley are arranged on the 6, and the arc peak and the arc valley here refer to that there is at least one height minimum end and height highest end on the arc force transmission plate 6, at first the grain is imported through the feeding box The inner cavity of the grain tank 1 is then sieved by the main sieve plate 3, and the qualified gra...
Embodiment 2
[0031] Embodiment two, the difference between this embodiment and embodiment one is:
[0032] A built-in sieve plate assembly of a grain screening mechanism in the lower part of a grain dryer, comprising a main sieve plate 3, a grain sieve plate 1 51 and a grain sieve plate 2 52, and the middle parts of the grain sieve plate 1 51 and the grain sieve plate 2 52 are both arranged There are grain sieve rings that are connected to the main sieve plate 3 and have different sizes. The grain sieve plate 1 51 and the grain sieve plate 2 52 are distributed up and down and installed between the inner cavity of the grain distribution box 1 and the main sieve plate 3 in sequence. The size difference between the through hole in the middle part of plate 3 and the sieve grain ring on grain sieve plate 1 51 and grain sieve plate 2 52 forms a gap that prevents grain from falling through it. , the grain sieve plate 1 51 or the grain sieve plate 2 52 is installed in the main sieve plate 3, the g...
Embodiment 3
[0033] Embodiment three, the difference between this embodiment and embodiment one, two is:
[0034] The bottom of the grain storage box 4 is arc-shaped, and the thickness of the bottom of the grain storage box 4 is evenly reduced from the middle to both sides, and the left and right ends of the grain storage box 4 are provided with a cavity communicating with the grain storage box 4. Grain guide groove 42, and the sealing blocking plate 43 that seals it is installed in the grain guide groove 42, when the grain that is qualified to be screened and stored in the grain storage box 4 inner chamber is exported, in addition to utilizing the grain in the prior art Exporting auxiliary parts take out the grain in the grain storage box 4 from the grain storage box 4, take out the grain storage box 4 from the grain distribution box 1, and then export the grain, and open the sealing blocks at both ends of the grain storage box 4 43, the grain in the grain storage box 4 falls into the cav...
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