Hot air dryer for injection molding part

Abstract

The utility model provides a hot air dryer for injection molding parts, which relates to the technical field of injection molding parts, and comprises a box body, a drying cavity is arranged in the box body, a hot air blower is arranged at the upper end in the drying cavity, an auxiliary mechanism is arranged in the drying cavity, and the auxiliary mechanism comprises a conveying belt. The conveying belt is movably installed in the drying cavity in a penetrating mode. After the conveying belt drives raw materials to enter the drying cavity, the motor is matched with the gear to drive the crankshaft to continuously rotate up and down, so that the crankshaft continuously pushes the conveying belt, and the raw materials on the conveying belt are automatically turned over through vibration and thrust; therefore, the air inducing groove is matched to conduct drying work more quickly and evenly, and the drying efficiency of the raw materials and the overall quality of the dried raw materials are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molded parts production, in particular to a hot air drying machine for injection molded parts. Background Art

[0002] Injection molded parts are made by heating and pressurizing the injection molding machine in the mold, so that the plastic melts and is injected into the mold, and then cooled and solidified to form a plastic product with the same shape as the mold. Then after the injection molded parts are produced and injection molded, they need to be dried by a hot air dryer. Traditional hot air dryers usually use a fixed drying method, that is, the raw materials are placed on a tray or a conveyor belt, and the raw materials are dried by hot air circulation. However, when the conveyor belt drives the raw materials to move and dry, the raw materials cannot be turned over, resulting in the hot air being unable to dry the raw materials and the conveyor belt, resulting in uneven drying of the raw materials and affecting product quality. Therefore, we propose a hot air dryer for injection molded parts to solve the above problems. Utility Model Content

[0003] The main purpose of the utility model is to provide a hot air dryer for injection molded parts, which solves the problem that traditional hot air dryers usually adopt a fixed drying method, that is, the raw materials are placed on a tray or a conveyor belt, and the raw materials are dried by hot air circulation, but when the conveyor belt drives the raw materials to move and dry, the raw materials cannot be turned over, resulting in the hot air being unable to dry the space between the raw materials and the conveyor belt, resulting in uneven drying of the raw materials and affecting product quality.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A hot air dryer for injection molded parts comprises a box body, a drying chamber is arranged inside the box body, a hot air blower is installed at the upper end of the drying chamber, an auxiliary mechanism is installed inside the drying chamber, the auxiliary mechanism comprises a conveyor belt, the conveyor belt is movably installed in the drying chamber, the conveyor belt is vertically parallel to the hot air blower, a No. 1 baffle is respectively installed on the front and rear sides of the conveyor belt, a No. 2 baffle is installed at the upper end of the drying chamber, the No. 2 baffle is vertically parallel to the No. 1 baffle and the conveyor belt, a plurality of crankshafts are movably installed at the upper end of the conveyor belt, and the crankshafts are in contact with the upper end of the conveyor belt.

[0006] Preferably, support plates are fixedly installed at the front and rear ends of both sides of the drying chamber, rotating shafts are installed between the support plates, and conveyor belts are sleeved and installed on the outer sides of the rotating shafts, and the conveyor belts are arranged in a grid shape.

[0007] Preferably, a plurality of air ducts are provided through the upper end of the second baffle, and the air ducts are vertically parallel to the hot air blower and the conveyor belt.

[0008] Preferably, the air induction grooves are respectively configured to be inverted triangle shapes, and filters are respectively provided at the inner lower ends of the air induction grooves.

[0009] Preferably, connecting plates are fixedly installed on the lower surface of the second baffle, and the connecting plates are located at the front and rear ends inside the drying chamber. The front and rear ends of the crankshaft are movably installed inside the connecting plates.

[0010] Preferably, gears are respectively installed at the front ends of the crankshafts, and the gears close to each other are meshed and connected. A motor is installed on the rear surface of the connecting plate at the rear end, and the output end of the motor is connected to the crankshaft.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) In the present invention, after the conveyor belt drives the raw materials into the drying chamber, the motor cooperates with the gear to drive the crankshaft to continuously rotate up and down, so that the crankshaft continuously pushes the conveyor belt, so that the raw materials on the conveyor belt are automatically turned over through vibration and thrust, thereby cooperating with the air duct to dry the raw materials more quickly and evenly, thereby improving the drying efficiency of the raw materials and the overall quality of the raw materials after drying.

[0013] (2) In the utility model, by the cooperation between the No. 1 baffle and the No. 2 baffle, the raw materials will not fall when the conveyor belt is shaking. At the same time, by passing through the filter in the air duct, the raw materials are always located between the conveyor belt, the No. 1 baffle and the No. 2 baffle, so as to better protect the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a hot air drying machine for injection molded parts according to the utility model;

[0015] Figure 2 This is a front view structural schematic diagram of a hot air drying machine for injection molded parts according to the utility model;

[0016] Figure 3 This is a side structural schematic diagram of a hot air drying machine for injection molded parts according to the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure at AA in the body 2 of a hot air drying machine for injection molded parts of the utility model;

[0018] Figure 5 The utility model is a hot air drying machine for injection molding parts Figure 3 Schematic diagram of the cross-sectional structure at BB in the middle.

[0019] In the figure: 1, box body; 101, drying chamber; 2, hot air blower; 3, auxiliary mechanism; 301, conveyor belt; 302, baffle No. 1; 303, baffle No. 2; 304, air duct; 305, connecting plate; 306, crankshaft; 307, gear; 308, motor; 309, rotating shaft; 310, supporting plate. DETAILED DESCRIPTION

[0020] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 5 As shown, the embodiment of the utility model proposes a hot air dryer for injection molded parts, including a box body 1, a drying chamber 101 is provided inside the box body 1, a hot air blower 2 is installed at the upper end of the drying chamber 101, an auxiliary mechanism 3 is installed inside the drying chamber 101, the auxiliary mechanism 3 includes a conveyor belt 301, the conveyor belt 301 is movably installed in the drying chamber 101, the conveyor belt 301 is vertically parallel to the hot air blower 2, a first baffle 302 is respectively installed on the front and rear sides of the conveyor belt 301, a second baffle 303 is installed at the upper end of the drying chamber 101, the second baffle 303 is vertically parallel to the first baffle 302 and the conveyor belt 301, a plurality of crankshafts 306 are movably installed on the upper end of the conveyor belt 301, and the crankshaft 306 is in contact with the upper end of the conveyor belt 301.

[0022] like Figure 4 and Figure 5 As shown, in another embodiment of the utility model, support plates 310 are fixedly installed at the front and rear ends of both sides of the drying chamber 101, and rotating shafts 309 are installed between the support plates 310. The outer side of the rotating shaft 309 is sleeved with a conveyor belt 301, and the conveyor belt 301 is set in a grid shape. The upper end of the second baffle 303 is penetrated by a plurality of air induction grooves 304, and the air induction grooves 304 are parallel to the hot air blower 2 and the conveyor belt 301. The air induction grooves 304 are respectively set in an inverted triangle shape, and the inner part of the air induction grooves 304 is A filter screen is provided at the lower end of each part, a connecting plate 305 is fixedly installed on the lower surface of the second baffle 303, the connecting plate 305 is located at the front and rear ends of the drying chamber 101, the front and rear ends of the crankshaft 306 are movably installed in the connecting plate 305, and gears 307 are installed at the front ends of the crankshaft 306. The gears 307 close to each other are meshed and connected. A motor 308 is installed on the rear surface of the connecting plate 305 at the rear end, and the output end of the motor 308 is connected to the crankshaft 306.

[0023] The user places the raw material on the surface of the conveyor belt 301, and then drives the conveyor belt 301 to move through the rotating shaft 309, so that the conveyor belt 301 drives the raw material into the drying chamber 101. After the raw material enters the drying chamber 101, the hot air blower 2 blows the high-temperature air into the drying chamber 101, and then guides the high-temperature air to blow on the surface of the raw material through the air induction slot 304 on the second baffle 303. At the same time, the high-temperature air can be initially in contact with the lower end of the raw material in conjunction with the grid-shaped conveyor belt 301. Then the motor 308 drives the crankshaft 306 to rotate, and the crankshaft 306 drives the other crankshafts 306 to rotate through the gear 307, so that the multiple crankshafts 306 continuously push the conveyor belt 301 and the raw material, so that the raw material continuously rolls and turns over on the conveyor belt 301, so that the high-temperature air evenly dries all sides of the raw material, thereby improving the drying efficiency and drying uniformity of the raw material. Finally, the raw material after drying can be discharged along the conveyor belt 301;

[0024] By setting the air induction slot 304 to an inverted triangle shape, the stability of the hot air flow is improved, so that the hot air can be blown onto the surface of the raw material more evenly and quickly to perform drying work;

[0025] By setting the conveyor belt 301 in a grid shape, the raw materials can be heated more evenly, thereby improving the drying efficiency and drying uniformity of the raw materials.

[0026] The working principle of this hot air dryer for injection molding parts:

[0027] When in use, the user first places the raw material on the surface of the conveyor belt 301, and then drives the conveyor belt 301 to move through the rotating shaft 309, so that the conveyor belt 301 drives the raw material into the interior of the drying chamber 101, and then after the raw material enters the interior of the drying chamber 101, the hot air blower 2 blows high-temperature air into the drying chamber 101, and then guides the high-temperature air to blow on the surface of the raw material through the air induction groove 304 on the second baffle 303, and at the same time, the grid-shaped conveyor belt 301 can allow the high-temperature air to initially contact the lower end of the raw material, and then the motor 308 will drive the crankshaft 306 to rotate, and at the same time, the crankshaft 306 will drive several other crankshafts 306 to rotate through the gear 307, so that multiple crankshafts 306 continuously push the conveyor belt 301 and the raw material, so that the raw material is continuously rolled and turned over on the conveyor belt 301, so that the high-temperature air evenly dries all sides of the raw material, thereby improving the drying efficiency and drying uniformity of the raw material, and finally the raw material after drying can be discharged along the conveyor belt 301.

[0028] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. A hot air drying machine for injection molded parts, comprising a housing (1), characterized in that: A drying chamber (101) is provided inside the box body (1), a hot air blower (2) is installed at the upper end of the drying chamber (101), an auxiliary mechanism (3) is installed inside the drying chamber (101), and the auxiliary mechanism (3) comprises a conveyor belt (301), the conveyor belt (301) is movably installed inside the drying chamber (101), the conveyor belt (301) is vertically parallel to the hot air blower (2), a first baffle (302) is installed at the front and rear sides of the conveyor belt (301), a second baffle (303) is installed at the upper end of the drying chamber (101), the second baffle (303) is vertically parallel to the first baffle (302) and the conveyor belt (301), and a plurality of crankshafts (306) are movably installed at the upper end of the conveyor belt (301), and the crankshafts (306) are in contact with the upper end of the conveyor belt (301).

2. The hot air drying machine for injection molded parts according to claim 1, characterized in that: Support plates (310) are fixedly installed at the front and rear ends of both sides of the drying chamber (101), and rotating shafts (309) are installed between the support plates (310). A conveyor belt (301) is sleeved and installed on the outer side of the rotating shaft (309), and the conveyor belt (301) is arranged in a grid shape.

3. The hot air drying machine for injection molded parts according to claim 1, characterized in that: A plurality of air induction grooves (304) are provided through the upper end of the second baffle (303), and the air induction grooves (304) are vertically parallel to the hot air blower (2) and the conveyor belt (301).

4. The hot air drying machine for injection molded parts according to claim 3, characterized in that: The air induction grooves (304) are respectively configured in an inverted triangle shape, and filter screens are respectively provided at the inner lower ends of the air induction grooves (304).

5. The hot air drying machine for injection molded parts according to claim 1, characterized in that: A connecting plate (305) is fixedly mounted on the lower surface of the second baffle (303), and the connecting plate (305) is located at the front and rear ends inside the drying chamber (101), and the front and rear ends of the crankshaft (306) are movably installed inside the connecting plate (305).

6. The hot air drying machine for injection molded parts according to claim 5, characterized in that: Gears (307) are respectively installed at the front ends of the crankshafts (306), and the gears (307) close to each other are meshed and connected. A motor (308) is installed on the rear surface of the connecting plate (305) at the rear end, and the output end of the motor (308) is connected to the crankshaft (306).

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