Screw drying device

Abstract

The screw drying device comprises a box body, conveying belts, a guide plate, a feeding hopper, a first discharging pipe, a second discharging pipe, a receiving hopper, an opening and closing door, a first air cylinder and a second air cylinder, a plurality of conveying belts are installed in the box body, the conveying belts are horizontally arranged and are sequentially arranged from top to bottom, the conveying directions of the adjacent conveying belts are opposite, and the conveying directions of the conveying belts are opposite. In every two adjacent conveying belts, the discharging end of the conveying belt located on the upper portion is located above the feeding end of the conveying belt located on the lower portion, a guide plate is arranged between every two adjacent conveying belts and fixed to the inner wall of the box body, and the actuating plate inclines downwards from the inner wall end of the box body. The guide plate is located below the discharging end of the upper conveying belt in every two adjacent conveying belts. The first discharging pipe, the second discharging pipe, the receiving hopper and the opening and closing door are matched, so that hot air cannot leave from the second discharging pipe, the hot air can be effectively utilized, the drying effect is guaranteed, and energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to the technical field of screw drying devices. Background Art

[0002] The screws will be cleaned during the production process. After cleaning, they need to be dried using a drying device. Only after drying can the screws enter the next process.

[0003] Existing patent CN207035755U discloses a screw drying cabinet, which can continuously dry screws. However, part of the hot air will leave from the discharge port during use. This part of the hot air is not effectively utilized, which will cause a waste of resources and increase the energy consumption of the device. Summary of the invention

[0004] The utility model aims to solve the problems in the prior art and provides a screw drying device, which can effectively utilize hot air and is not prone to waste of resources.

[0005] To achieve the above-mentioned purpose, the utility model proposes a screw drying device, including a box body, a conveyor belt, a guide plate, a feed hopper, a first discharge pipe, a second discharge pipe, a receiving hopper, an opening and closing door, a first cylinder, and a second cylinder. A plurality of conveyor belts are installed inside the box body, and the conveyor belts are horizontally arranged and arranged in sequence from top to bottom. The conveying directions of adjacent conveyor belts are opposite. The discharge end of the upper conveyor belt of two adjacent conveyor belts is located above the feed end of the lower conveyor belt. A guide plate is provided between adjacent conveyor belts, the guide plate is fixed on the inner wall of the box body, the guide plate is inclined downward from the inner wall end of the box body, and the guide plate is located below the discharge end of the upper conveyor belt of two adjacent conveyor belts. A feed hopper and an air outlet pipe are provided on the top of the box body, and the feed hopper is located above the feed end of the uppermost conveyor belt. The bottom of the box body is provided with a first discharge pipe, a second discharge pipe, an auxiliary plate and an air inlet pipe. The material pipe is located inside the second discharge pipe, the first discharge pipe is connected with the inside of the box, the first discharge pipe is located below the discharge end of the lowest conveyor belt, the second discharge pipe is connected with the box only through the first discharge pipe, a receiving hopper is provided inside the second discharge pipe, one end of the top of the receiving hopper is hinged on the inner wall of the second discharge pipe, a first cylinder is provided inside the second discharge pipe, both ends of the first cylinder are hinged to the inner wall of the second discharge pipe and the outside of the receiving hopper respectively, when the first cylinder is in the minimum stroke, the movement trajectory of the screw position coming out of the first discharge pipe does not interfere with the receiving hopper and all the screws in the receiving hopper fall off, when the first cylinder is in the maximum stroke, the screws coming out of the first discharge pipe fall into the receiving hopper, an opening and closing door is installed at the discharge end of the second discharge pipe, one end of the opening and closing door is hinged to the second discharge pipe, the auxiliary plate is close to the hinged end of the opening and closing door and the second discharge pipe, and both ends of the second cylinder are hinged to the auxiliary plate and the bottom end of the opening and closing door respectively.

[0006] Preferably, the guide plate is V-shaped.

[0007] Preferably, baffles are provided on both sides of the opening and closing door, and the baffles are located outside the second discharge pipe.

[0008] Preferably, the second discharge pipe is a rectangular tube.

[0009] Beneficial effects of the utility model: the utility model coordinates the first discharge pipe, the second discharge pipe, the receiving hopper, and the opening and closing door so that hot air will not leave from the second discharge pipe, and the hot air can be effectively utilized, thereby ensuring the drying effect and reducing energy consumption; the guide plate is V-shaped so that the screws can fall to the middle of the conveyor belt and the screws will not fall from the edge of the conveyor belt.

[0010] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is the front view of the screw drying device of the utility model;

[0012] Figure 2 This is a side view of the guide plate of the screw drying device of the utility model;

[0013] Figure 3 It is a side view of the opening and closing door of the screw drying device of the utility model.

[0014] In the figure: 1-box, 2-second discharge pipe, 10-feed hopper, 11-conveyor belt, 12-guide plate, 13-inlet pipe, 14-outlet pipe, 15-first discharge pipe, 16-auxiliary plate, 21-receiving hopper, 22-first cylinder, 23-opening and closing door, 24-second cylinder, 25-baffle. DETAILED DESCRIPTION

[0015] See also Figure 1 , Figure 2 , Figure 3The screw drying device of the utility model comprises a box body 1, a conveyor belt 11, a guide plate 12, a feed hopper 10, a first discharge pipe 15, a second discharge pipe 2, a receiving hopper 21, an opening and closing door 23, a first cylinder 22, and a second cylinder 24. A plurality of conveyor belts 11 are installed inside the box body 1. The conveyor belts 11 are arranged horizontally. The conveyor belts 11 are arranged sequentially from top to bottom. The conveying directions of adjacent conveyor belts 11 are opposite. The discharge end of the upper conveyor belt 11 of the two adjacent conveyor belts 11 is located at the feed end of the lower conveyor belt 11. A guide plate 12 is provided between adjacent conveyor belts 11, the guide plate 12 is fixed on the inner wall of the box body 1, and the guide plate is inclined downward from the inner wall end of the box body 1. The guide plate 12 is located below the discharge end of the upper conveyor belt 11 of the two adjacent conveyor belts 11. A feed hopper 10 and an air outlet pipe 14 are provided on the top of the box body 1. The feed hopper 10 is located above the feed end of the uppermost conveyor belt 11. A first discharge pipe 15, a second discharge pipe 2, an auxiliary plate 16 and an air inlet pipe 13 are provided at the bottom of the box body 1. The first discharge pipe 15 is located inside the second discharge pipe 2, the first discharge pipe 15 is connected to the inside of the box body 1, the first discharge pipe 15 is located below the discharge end of the lowest conveyor belt 11, the second discharge pipe 2 is only connected to the box body 1 through the first discharge pipe 15, a receiving hopper 21 is provided inside the second discharge pipe 2, one end of the top of the receiving hopper 21 is hinged on the inner wall of the second discharge pipe 2, a first cylinder 22 is provided inside the second discharge pipe 2, the two ends of the first cylinder 22 are respectively hinged to the inner wall of the second discharge pipe 2 and the outside of the receiving hopper 21, the first cylinder When 22 is at the minimum stroke, the movement trajectory of the screw position coming out of the first discharge pipe 15 does not interfere with the receiving hopper 21 and all the screws in the receiving hopper 21 fall out; when the first cylinder 22 is at the maximum stroke, the screws coming out of the first discharge pipe 15 fall into the receiving hopper 21; an opening and closing door 23 is installed at the discharge end of the second discharge pipe 2, one end of the opening and closing door 23 is hinged to the second discharge pipe 2, the auxiliary plate 16 is close to the hinged end of the opening and closing door 23 and the second discharge pipe 2, and both ends of the second cylinder 24 are hinged to the auxiliary plate 16 and the bottom end of the opening and closing door 23 respectively.

[0016] In order to prevent the screws from falling off the edge of the conveyor belt 11 , the guide plate 12 is V-shaped.

[0017] In order to make the screw leave only from one side of the opening and closing door 23 for easy material connection, baffles 25 are provided on both sides of the opening and closing door 23 , and the baffles 25 are located outside the second discharge pipe 2 .

[0018] The second discharge pipe 2 is a rectangular tube.

[0019] Working process of this utility model:

[0020] During the operation of the screw drying device of the utility model, in the initial state, the opening and closing door 23 is in a closed state, the first cylinder 22 is in a minimum stroke state, the screw is put into the feed hopper 10, the screw falls onto the top conveyor belt 11, the screw moves with the conveyor belt 11, the screw falls onto the guide plate 12, the screw falls onto the conveyor belt 11 below under the guidance of the guide plate 12, the screw passes through the conveyor belts 11 arranged from top to bottom in sequence in the above manner, and finally falls from the discharge end of the bottom conveyor belt 11 into the first discharge pipe 11, and then falls into the second discharge pipe 12, in the above process During the process, dry hot air enters from the air inlet pipe 13, rises and leaves from the air outlet pipe 14, and the screws are heated and dried during the rising process of the hot air. After running for a period of time, the first cylinder 22 drives the receiving hopper 21 to rotate, so that the screws dropped from the first discharge pipe 15 fall into the receiving hopper 21, and the second cylinder 24 drives the opening and closing door 23 to rotate and open, and the screws in the second discharge pipe 12 fall along the opening and closing door 23, and then the second cylinder 24 drives the opening and closing door 23 to reset, and the first cylinder 22 drives the receiving hopper 21 to reset, the screws in the receiving hopper 21 fall, and the screws coming out of the first discharge pipe 12 directly fall into the second discharge pipe 2.

[0021] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. Screw drying device, characterized by: The invention comprises a box body (1), a conveyor belt (11), a guide plate (12), a feed hopper (10), a first discharge pipe (15), a second discharge pipe (2), a receiving hopper (21), an opening and closing door (23), a first cylinder (22), and a second cylinder (24), wherein a plurality of conveyor belts (11) are installed inside the box body (1), the conveyor belts (11) are arranged horizontally, the conveyor belts (11) are arranged in sequence from top to bottom, the conveying directions of adjacent conveyor belts (11) are opposite, the discharge end of the upper conveyor belt (11) of the two adjacent conveyor belts (11) is located above the feed end of the lower conveyor belt (11), and the adjacent conveyor belts (11) are arranged in sequence from top to bottom. A guide plate (12) is provided between the two adjacent conveyor belts (11), the guide plate (12) is fixed on the inner wall of the box body (1), the guide plate is inclined downward from the inner wall end of the box body (1), the guide plate (12) is located below the discharge end of the upper conveyor belt (11) of the two adjacent conveyor belts (11), a feed hopper (10) and an air outlet pipe (14) are provided on the top of the box body (1), the feed hopper (10) is located above the feed end of the uppermost conveyor belt (11), and a first discharge pipe (15), a second discharge pipe (2), an auxiliary plate (16) and an air inlet pipe (13) are provided on the bottom of the box body (1), the first discharge pipe (15) is located The interior of the second discharge pipe (2) is connected to the interior of the box body (1). The first discharge pipe (15) is located below the discharge end of the lowest conveyor belt (11). The second discharge pipe (2) is connected to the box body (1) only through the first discharge pipe (15). A receiving hopper (21) is provided inside the second discharge pipe (2). One end of the top of the receiving hopper (21) is hinged to the inner wall of the second discharge pipe (2). A first cylinder (22) is provided inside the second discharge pipe (2). Both ends of the first cylinder (22) are respectively hinged to the inner wall of the second discharge pipe (2) and the outside of the receiving hopper (21). 2) When the movement trajectory of the screw coming out of the first discharge pipe (15) does not interfere with the receiving hopper (21) when the stroke is minimum, and all the screws in the receiving hopper (21) fall out; when the first cylinder (22) is at the maximum stroke, the screws coming out of the first discharge pipe (15) fall into the receiving hopper (21); an opening and closing door (23) is installed at the discharge end of the second discharge pipe (2); one end of the opening and closing door (23) is hinged to the second discharge pipe (2); the auxiliary plate (16) is close to the hinged end of the opening and closing door (23) and the second discharge pipe (2); and the two ends of the second cylinder (24) are respectively hinged to the auxiliary plate (16) and the bottom end of the opening and closing door (23).

2. The screw drying device according to claim 1, characterized in that: The guide plate (12) is V-shaped.

3. The screw drying device according to claim 1, characterized in that: Baffles (25) are provided on both sides of the opening and closing door (23), and the baffles (25) are located outside the second discharge pipe (2).

4. The screw drying device according to claim 1, characterized in that: The second discharge pipe (2) is a rectangular tube.

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