Drying device for onion dehydration

Abstract

The utility model relates to the technical field of onion processing equipment, in particular to a drying device for onion dehydration, which comprises a drying bin, an air bin fixedly connected to the inner bottom of the drying bin, a conveying belt fixedly connected to the upper portion of the air bin, a collecting bin arranged on one side of the drying bin, and a vibrating screen connected to the top of the collecting bin. A chain scraper conveyor is arranged above the input end of the vibrating screen, the output end of the vibrating screen is located above the conveying belt, the top of the drying bin is fixedly connected with a heating plate through a connecting rod, partition plates are fixedly connected to the two sides of the inner wall of the drying bin, telescopic rods are fixedly connected to the partition plates, and the output ends of the telescopic rods are rotationally connected with a main shaft through bearings. According to the onion grain drying machine, onion grains are screened and crushed onion grains are screened out before drying, the crushed onion grains are prevented from falling to the ground during drying and influencing the working environment, and the paving thickness can be adjusted through the liftable spiral blade so as to adapt to onions with different water contents.

Description

TECHNICAL FIELD

[0001] The utility model relates to onion processing equipment technical field, and specifically is a kind of drying device for onion dehydration. BACKGROUND

[0002] Onion dry is the food made by dehydration treatment to fresh onion, and the manufacturing process mainly includes raw material selection, washing, peeling, slicing, drying, heat dissipation and product packaging etc., wherein slicing is to cut onion into small pieces by using granulator, but inevitably repeated cutting will appear broken grain, and this part of broken grain will gradually lose weight when drying due to evaporation of moisture, and finally will be blown to the ground under the action of hot air machine, which will affect the working environment, and different batches of onion moisture content are also different, so the need for dehydration drying is also different, so it is necessary to make further improvement to drying equipment to meet the needs in view of these problems. SUMMARY

[0003] In view of the above technical problems, the utility model provides a kind of drying device for onion dehydration can prevent the influence of onion broken grain to working environment and can adjust the thickness of onion grain.

[0004] To solve the above technical problems, the utility model discloses a kind of drying device for onion dehydration, including drying bin, the bottom of the drying bin is fixedly connected with air bin, the air bin both sides are fixedly connected with hot air machine, the air bin upper side is fixedly connected with conveyer belt, the conveyer belt has hole, the one side of the drying bin is provided with collection bin, the top of the collection bin is connected with vibrating screen, the input end of the vibrating screen is provided with chain plate conveyor, the output end of the vibrating screen is located above the conveyer belt, the top of the drying bin is fixedly connected with heating plate by connecting rod, the inner wall both sides of the drying bin are fixedly connected with partition, the partition is located at one end close to the vibrating screen, the partition is located between the conveyer belt and the heating plate, the partition is fixedly connected with telescopic link, the output end of the telescopic link is rotatably connected with main shaft by bearing, the bearing is fixedly connected with helical blade, one end of the main shaft is drivingly connected with motor.

[0005] Further, the top of the collection bin both sides is fixedly connected with spring, the other end of the spring is fixedly connected with the bottom of the vibrating screen, spring is sleeved with guide cylinder.

[0006] The utility model has the following advantages compared with prior art:

[0007] The utility model discloses a vibrating screen is screened to the onion after cutting before drying, and the broken onion is screened out, avoids the broken onion in the hot -blast drier, and the moisture evaporation weight is light after floating to the operation environment, and the environment is influenced, through setting liftable spiral blade, the flat -laying thickness of onion particle can be adjusted, and the onion of different moisture content is adjusted in time to satisfy the production demand, guarantees the drying effect and saves the energy source simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0008] Fig. 1 It is the structure schematic diagram of the utility model.

[0009] Fig. 2 It is the left view of drying bin.

[0010] Fig. 3 It is the enlarged view of a place.

[0011] In the drawing: 1, drying bin, 2, collection bin, 3, vibrating screen, 4, chain plate conveyor, 5, conveyer belt, 6, air bin, 7, hot -blast machine, 8, connecting rod, 9, heating plate, 10, partition, 11, telescopic link, 12, bearing, 13, main shaft, 14, motor, 15, spiral blade. DETAILED DESCRIPTION

[0012] The utility model makes further explanation in combination with the drawings.

[0013] As Figs. 1 to 3 The utility model discloses a drying device for onion dehydration, including drying bin 1, the bottom fixed connection of drying bin 1 in air bin 6, air bin 6 both sides are fixedly connected with hot -blast machine 7, the top of air bin 6 is fixedly connected with conveyer belt 5, and conveyer belt 5 has a hole, which facilitates the hot air output of hot -blast machine 7 to the onion particle on conveyer belt 5 and carries out dehydration drying, and one side of drying bin 1 is provided with collection bin 2, and the top of collection bin 2 is connected with vibrating screen 3, and vibrating screen 3 is driven by vibration motor, and collection bin 2 is used to collect the broken onion that is screened out, and the top of the input end of vibrating screen 3 is provided with chain plate conveyor 4, and chain plate conveyor 4 transports the onion after cutting to vibrating screen 3, and the output end of vibrating screen 3 is located above conveyer belt 5, which facilitates the onion particle that screening is completed to be transported to conveyer belt 5 and carries out subsequent dehydration drying, and the top of drying bin 1 is fixedly connected with heating plate 9 through connecting rod 8, and heating plate 9 carries out dehydration drying to the upper layer onion particle, and the inner wall both sides of drying bin 1 are fixedly connected with partition 10, and partition 10 is located at one end close to vibrating screen 3, and partition 10 is located between conveyer belt 5 and heating plate 9, and partition 10 is fixedly connected with telescopic link 11, and the output end of telescopic link 11 is rotatably connected with main shaft 13 through bearing 12, and bearing 12 is fixedly connected with spiral blade 15, and one end of main shaft 13 is fixedly connected with the output end of motor 14, and the onion particle that goes up and down vibrating screen 3 falls into one side of conveyer belt 5 and is laid flat by rotating spiral blade 15, which facilitates uniform drying.

[0014] It should be noted that the telescopic rod 11 in the embodiment adopts an electric telescopic rod.

[0015] In order to connect the vibrating screen 3 and at the same time reduce the vibration of the lower collecting bin 2, springs are fixedly connected on both sides of the top of the collecting bin 2, the other ends of the springs are fixedly connected with the bottom of the vibrating screen 3, a guide cylinder is sleeved on the springs to prevent the springs from being excessively deformed.

[0016] It should be noted that the vibrating screen 3, the chain conveyor 4, the conveying belt 5, the hot air machine 7 and the motor 14 in the embodiment are all existing devices, and the specific structure will not be described in detail.

[0017] The working process of the embodiment is as follows:

[0018] When working, the finished onion particles are conveyed to the vibrating screen 3 by the chain conveyor 4, the vibrating screen 3 performs vibrating screening on the onion particles, the onion particles and other impurities fall from the vibrating screen 3 into the collecting bin 2, the qualified onion particles fall from above the vibrating screen 3 onto the conveying belt 5 and enter the drying bin 1 for drying, the height of the spiral blade 15 is adjusted by the electric telescopic rod, the onion particles falling from the vibrating screen 3 are laid flat along with the rotation of the main shaft 13 and the spiral blade 15 on the main shaft 13 driven by the motor 14, the heating plate 9 at the top of the drying bin 1 continuously dries the onion particles, the hot air machine 7 continuously outputs hot air to dry the onion particles along the holes on the conveying belt 5, and after drying, the onion particles are conveyed to the next process for cooling and packaging.

Claims

1. A drying device for dehydrating onions, comprising a drying chamber (1), wherein a wind chamber (6) is fixedly connected to the bottom of the drying chamber (1), hot air blowers (7) are fixedly connected to both sides of the wind chamber (6), and a conveyor belt (5) is fixedly connected above the wind chamber (6), wherein the conveyor belt (5) has holes, characterized in that: The drying bin (1) one side is provided with collection bin (2), the collection bin (2) top is connected with vibrating screen (3), the vibrating screen (3) input end top is provided with chain plate conveyor (4), the vibrating screen (3) output end is located above the conveyer belt (5), the drying bin (1) top is fixedly connected with heating plate (9) through connecting rod (8), the drying bin (1) inner wall both sides are fixedly connected with partition (10), the partition (10) is located at one end close to the vibrating screen (3), the partition (10) is located between the conveyer belt (5) and the heating plate (9), the partition (10) is fixedly connected with telescopic link (11), the telescopic link (11) output end is rotatably connected with main shaft (13) through bearing (12), the bearing (12) is fixedly connected with helical blade (15), the main shaft (13) one end is drivingly connected with motor (14).

2. The drying apparatus for dehydrating onions according to claim 1, characterized by: The collection bin (2) top two sides are fixedly connected with spring, the other end of the spring is fixedly connected with the vibrating screen (3) bottom, the spring is sleeved with guide cylinder.

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