Phenolic moulding plastic drying device

Abstract

The utility model discloses a phenolic moulding plastic drying device which comprises a drying cylinder, a heat exchanger, a hot air device and an air draft assembly, the lower side wall of the drying cylinder is fixedly connected with a material guide cylinder, the upper side wall of the drying cylinder is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a transmission rod, and the transmission rod is fixedly connected with the heat exchanger. The outer side wall of the transmission rod is fixedly connected with a spiral auger; the upper side wall of the drying cylinder is fixedly connected with an exhaust pipe, the exhaust pipe is fixedly connected with the exhaust end of the exhaust assembly, and the right side wall of the drying cylinder is fixedly connected with a row of air inlet branch pipes. According to the phenolic molding plastic drying device, the driving motor can drive the spiral auger to rotate through the transmission rod, so that phenolic molding plastic is moved up and down, the drying efficiency and drying quality of the phenolic molding plastic can be greatly improved in cooperation with the heating effect of hot air and the air draft effect of the air draft assembly, and then the drying uniformity of the phenolic molding plastic is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of phenolic molding material processing, in particular to a phenolic molding material drying device. Background Art

[0002] Since the degree of drying of phenolic molding compound particles is closely related to the transparency, color purity, mechanical properties including bending, torsion, elasticity, tension index and yield strength, and electrical properties including insulation and conductivity of the final product, the plastic particles must be dried accordingly before being fed into the injection molding machine, extruder, blister machine or other plastic processing machinery.

[0003] There are many drying equipments at present, most of which put plastic particles into a drying box for stirring and drying. This drying method often results in uneven drying, which affects the drying quality of phenolic molding materials. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a phenolic molding material drying device, wherein a spiral auger is provided in the device, and a driving motor can drive the spiral auger to rotate through a transmission rod, thereby moving the phenolic molding material up and down, and the heating effect of hot air and the exhaust effect of the exhaust assembly can greatly accelerate the drying efficiency and drying quality of the phenolic molding material, thereby improving the drying uniformity of the phenolic molding material.

[0005] The device is provided with a heat exchanger, which can exchange heat between the exhaust pipe and the air input end of the hot air device, and transfer a part of the heat of the internal moisture extracted from the drying cylinder to the air input into the hot air device, so as to effectively make full use of the heat and effectively reduce the electric energy required for drying the phenolic molding material, thereby being more energy-saving and environmentally friendly.

[0006] The utility model also provides a phenolic molding material drying device as described above, comprising: a drying cylinder, a heat exchanger, a hot air device and an exhaust assembly, wherein the lower side wall of the drying cylinder is fixedly connected to a material guide cylinder, the upper side wall of the drying cylinder is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a transmission rod, and the outer side wall of the transmission rod is fixedly connected to a spiral auger;

[0007] An exhaust pipe is fixedly connected to the upper side wall of the drying cylinder, and the exhaust pipe is fixedly connected to the exhaust end of the exhaust assembly. A row of air intake branch pipes is fixedly connected to the right side wall of the drying cylinder, and the right end of a row of air intake branch pipes is fixedly connected to the same hot air pipe, and the hot air pipe is fixedly connected to the output end of the hot air device.

[0008] According to the phenolic molding compound drying device, a discharge pipe is fixedly connected to the lower side wall of the material guide cylinder, and a control valve is fixedly connected to the inside of the discharge pipe for controlling the opening and closing of the discharge pipe.

[0009] According to the phenolic molding compound drying device, a plurality of supporting legs are fixedly connected to the lower side wall of the material guiding cylinder for supporting the material guiding cylinder.

[0010] According to the phenolic molding compound drying device, a feed pipe is fixedly connected to the upper side wall of the drying cylinder to guide the phenolic molding compound.

[0011] According to the phenolic molding compound drying device, the air input end of the hot air device extends into the interior of the heat exchanger, and the middle portion of the exhaust pipe is arranged inside the heat exchanger.

[0012] According to the phenolic molding material drying device, the radius of the material guide cylinder gradually decreases from top to bottom, so that the phenolic molding material can be gathered at the bottom.

[0013] According to the phenolic molding compound drying device, the air input end of the hot air device and the exhaust pipe are tightly matched inside the heat exchanger, thereby improving the heat exchange effect between the air input end of the hot air device and the exhaust pipe.

[0014] According to the phenolic molding compound drying device, the drying cylinder and the material guiding cylinder are both made of heat insulating materials, thereby improving the heat insulating effect of the device.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic structural diagram of a phenolic molding compound drying device of the utility model;

[0018] Figure 2 This is an internal schematic diagram of a phenolic molding compound drying device of the utility model;

[0019] Figure 3 This is a front schematic diagram of a phenolic molding compound drying device of the utility model;

[0020] Figure 4 It is a side schematic diagram of a phenolic molding compound drying device of the utility model.

[0021] Legend:

[0022] 1. Drying cylinder; 101. Material guide cylinder; 102. Support leg; 103. Feed pipe; 2. Discharge pipe; 201. Control valve; 3. Drive motor; 301. Transmission rod; 302. Screw auger; 4. Heat exchanger; 5. Hot air device; 501. Hot air pipe; 502. Inlet branch pipe; 6. Exhaust assembly; 601. Exhaust pipe. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Reference Figure 1-4 The utility model embodiment is a phenolic molding material drying device, which includes: a drying cylinder 1, a heat exchanger 4, a hot air device 5 and an exhaust assembly 6. The lower side wall of the material guide cylinder 101 is fixedly connected with a discharge pipe 2, and the inside of the discharge pipe 2 is fixedly connected with a control valve 201 for controlling the opening and closing of the discharge pipe 2. The lower side wall of the material guide cylinder 101 is fixedly connected with a plurality of supporting legs 102 for supporting the material guide cylinder 101. The upper side wall of the drying cylinder 1 is fixedly connected with a feed pipe 103 for guiding the phenolic molding material.

[0026] The lower side wall of the drying cylinder 1 is fixedly connected with a material guide cylinder 101, and the radius of the material guide cylinder 101 gradually decreases from top to bottom, so that the phenolic molding material can be gathered at the bottom. The drying cylinder 1 and the material guide cylinder 101 are made of heat-insulating materials to improve the heat-insulating effect of the device. The air input end of the hot air device 5 extends into the heat exchanger 4, and the middle part of the exhaust pipe 601 is arranged inside the heat exchanger 4. The upper side wall of the drying cylinder 1 is fixedly connected with a driving motor 3, and the output end of the driving motor 3 is fixedly connected with a transmission rod 301, and the outer side wall of the transmission rod 301 is fixedly connected with a spiral auger 302;

[0027] An exhaust pipe 601 is fixedly connected to the upper side wall of the drying cylinder 1, and the exhaust pipe 601 is fixedly connected to the exhaust end of the exhaust assembly 6. A row of air intake branch pipes 502 are fixedly connected to the right side wall of the drying cylinder 1, and the right ends of the row of air intake branch pipes 502 are fixedly connected to the same hot air pipe 501. The hot air pipe 501 is fixedly connected to the output end of the hot air device 5, and the air input end of the hot air device 5 extends into the interior of the heat exchanger 4. The middle part of the exhaust pipe 601 is arranged inside the heat exchanger 4, and the air input end of the hot air device 5 is tightly matched with the exhaust pipe 601 inside the heat exchanger 4, thereby improving the heat exchange effect between the air input end of the hot air device and the exhaust pipe 601.

[0028] The electrical components appearing in this article are all electrically connected to an external main controller, and the main controller can be a conventional known device for control such as a computer, and the electrical components appearing in this article are all electrically connected to an external power supply.

[0029] Working principle: When the device is used, first, the phenolic molding material is introduced into the drying cylinder 1 through the feed pipe 103, and the hot air device 5 will draw in and heat the air through the air input end. The heated air is introduced into the drying cylinder 1 through the hot air pipe 501 and the air intake branch pipe 502. The driving motor 3 can drive the spiral auger 302 to rotate through the transmission rod 301, thereby moving the phenolic molding material up and down. The heating effect of the hot air and the exhaust effect of the exhaust component can greatly accelerate the drying efficiency and drying quality of the phenolic molding material, thereby improving the uniformity of drying the phenolic molding material. The heat exchanger 4 can make the exhaust pipe 601 exchange heat with the air input end of the hot air device 5, and transfer part of the heat of the internal moisture extracted from the drying cylinder to the air input into the hot air device 5, which can effectively make full use of the heat and effectively reduce the electric energy required for drying the phenolic molding material, thereby being more energy-saving and environmentally friendly.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A phenolic molding compound drying device, characterized in that: include: A drying cylinder (1), a heat exchanger (4), a hot air device (5) and an exhaust assembly (6), wherein the lower side wall of the drying cylinder (1) is fixedly connected to a material guide cylinder (101), the upper side wall of the drying cylinder (1) is fixedly connected to a drive motor (3), the output end of the drive motor (3) is fixedly connected to a transmission rod (301), and the outer side wall of the transmission rod (301) is fixedly connected to a spiral auger (302); An exhaust pipe (601) is fixedly connected to the upper side wall of the drying cylinder (1), and the exhaust pipe (601) is fixedly connected to the exhaust end of the exhaust assembly (6). A row of air intake branch pipes (502) is fixedly connected to the right side wall of the drying cylinder (1), and the right ends of the row of air intake branch pipes (502) are fixedly connected to the same hot air pipe (501), and the hot air pipe (501) is fixedly connected to the output end of the hot air device (5).

2. A phenolic molding compound drying device according to claim 1, characterized in that: A discharge pipe (2) is fixedly connected to the lower side wall of the material guiding cylinder (101), and a control valve (201) is fixedly connected inside the discharge pipe (2).

3. A phenolic molding compound drying device according to claim 1, characterized in that: A plurality of supporting legs (102) are fixedly connected to the lower side wall of the material guiding cylinder (101).

4. A phenolic molding compound drying device according to claim 1, characterized in that: A feed pipe (103) is fixedly connected to the upper side wall of the drying cylinder (1).

5. A phenolic molding compound drying device according to claim 1, characterized in that: The air input end of the hot air device (5) extends into the interior of the heat exchanger (4), and the middle part of the exhaust pipe (601) is arranged inside the heat exchanger (4).

6. A phenolic molding compound drying device according to claim 1, characterized in that: The radius of the material guiding cylinder (101) gradually decreases from top to bottom.

7. A phenolic molding compound drying device according to claim 1, characterized in that: The air input end of the hot air device (5) and the exhaust pipe (601) are tightly matched inside the heat exchanger (4).

8. The phenolic molding compound drying device according to claim 1, characterized in that: The drying cylinder (1) and the material guiding cylinder (101) are both made of heat insulating materials.

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