Preheating device for glass fiber reinforced plastic production

Abstract

The utility model belongs to the technical field of glass fiber reinforced plastic production, and particularly relates to a preheating device for glass fiber reinforced plastic production, which comprises a preheating tank, supporting legs, a feed port and a discharge port, the supporting legs are fixedly mounted on the left side and the right side of the bottom of the preheating tank, and the preheating device is arranged in the preheating tank. The preheating device comprises a stirring unit, a preheating unit and a scraping unit. According to the preheating device for glass fiber reinforced plastic production, a stirring unit is arranged, a motor is started to drive a first stirring rod to rotate, and when the first stirring rod rotates, a first gear is meshed with two second gears, so that the two second stirring rods are driven to rotate; the stirring rod I and the two stirring rods II rotate at the same time to stir glass fiber reinforced plastic raw materials, so that stirring is more uniform, the raw materials are preheated uniformly, and the problem that the production quality of the glass fiber reinforced plastic is affected due to the fact that the preheating effect of the glass fiber reinforced plastic is poor in the using process in the background technology is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass fiber reinforced plastics production technical field, specifically is a kind of preheating device for glass fiber reinforced plastics production. BACKGROUND

[0002] At present, glass fiber pretreatment process in glass fiber production is not perfect, or directly side traction glass fiber to extruder, since simple process, easy operation, therefore is universally adopted.

[0003] But there are some problems, glass fiber is damp, hygroscopic will affect the performance of modified material, unheated glass fiber directly into extruder screw will make the plastic melt in screw cooling, it is not conducive to the dispersion of glass fiber in plastic melt, ultimately affect the performance of finished product.

[0004] As the disclosure number CN201645682U discloses a kind of glass fiber preheating device in glass fiber reinforced modified plastics material production process, by design a heating plate, in the normal production process of glass fiber reinforced modified plastics material, can preheat, dry glass fiber, prevent due to glass fiber is damp, hygroscopic affects modified material performance;Make heated glass fiber enter extruder, will not cause melt poor mobility due to temperature drop, can improve the dispersibility of glass fiber in material, structure is simple, convenient to use.

[0005] But the preheating effect of glass fiber reinforced plastic is poor in the using process of the device, thereby affecting the production quality of glass fiber reinforced plastic.

[0006] Therefore, we urgently need to provide a kind of preheating device for glass fiber reinforced plastic production. INVENTION CONTENTS

[0007] The utility model aims at providing a kind of preheating device for glass fiber reinforced plastic production to solve the problem of poor preheating effect of glass fiber reinforced plastic in the using process in the above background art, thereby affecting the production quality of glass fiber reinforced plastic.

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of preheating device for glass fiber reinforced plastic production, including preheating tank, support leg, feed inlet and discharge port, the support leg is fixedly installed in preheating tank bottom left and right sides, the feed inlet is installed in preheating tank right side upper end, the discharge port is fixedly installed in preheating tank bottom, the preheating tank is internally provided with preheating device, and the preheating device includes stirring unit, preheating unit and scraping unit.

[0009] The stirring unit is arranged in the preheating tank, the preheating unit is arranged in the preheating tank, and the scraping unit is arranged in the preheating tank.

[0010] The stirring unit comprises a support frame, a motor, a stirring rod one, a stirring rod two, a gear one and a gear two, the support frame is fixedly installed at the top of the preheating tank, the motor is fixedly installed inside the support frame, the stirring rod one is fixedly installed at the output end of the motor, the upper ends of the stirring rod two are rotatably connected to the inside top of the preheating tank and are located at the left and right sides of the stirring rod one, the gear one is fixedly installed at the upper end outside of the stirring rod one, and the gear two is fixedly installed at the upper end outside of the two stirring rod two.

[0011] Preferably, an inner tank is arranged in the preheating tank, the stirring unit is arranged in the inner tank, and the lower end of the feeding port is connected with the inner tank.

[0012] Preferably, the gear one and the gear two are engaged with each other, the stirring rod one is driven to rotate by starting the motor, the two stirring rod two are driven to rotate by the engagement of the gear one and the two gear two when the stirring rod one rotates, and the stirring rod one and the two stirring rod two rotate simultaneously to stir the glass fiber reinforced plastic raw materials, so that the stirring is more uniform, and the raw materials are preheated uniformly.

[0013] Preferably, the preheating unit comprises heating wires, a hot air blower, a connecting pipe and an air outlet pipe, a cavity is arranged in the preheating tank, the heating wires are installed in the cavity, the hot air blower is installed at the top of the preheating tank and located at the back of the support frame, the connecting pipe is connected to the output end of the hot air blower, and the air outlet pipe is connected to the front of the connecting pipe and extends into the preheating tank.

[0014] Preferably, the heating wires are connected with the power supply through wires, the heating wires are electrified by the power supply, the inner tank is heated by the heating wires, the hot air is blown into the cavity in the preheating tank by the hot air blower through the air outlet pipe, the hot air is dispersed in the cavity, the inner tank is uniformly heated, and the glass fiber reinforced plastic raw materials are preheated uniformly.

[0015] Preferably, the scraping unit comprises a telescopic piece, a connecting plate, a connecting rod and a scraper, the telescopic piece is fixedly installed at the top of the support frame, the connecting plate is fixedly installed at the top of the telescopic piece, the connecting rod is fixedly installed at the bottom of the connecting plate and located at the left and right sides, and the scraper is fixedly installed at the bottom of the connecting rod and located in the preheating tank.

[0016] Preferably, the scraper is annular, the outer surface of the scraper is in contact with the inner wall of the inner tank, the connecting plate is driven to move up and down by starting the telescopic piece, the connecting rod and the scraper are driven to move up and down by the connecting plate, the glass fiber reinforced plastic raw materials adhered to the inner wall of the inner tank are scraped off by the scraper, and the waste of the raw materials is avoided.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1. The preheating device for glass fiber reinforced plastic production, by setting the stirring unit, by starting the motor to drive the stirring rod one rotation, by the gear one and the two gear two meshing, driving the two stirring rod two rotation, so that the stirring rod one and the two stirring rod two rotate at the same time to stir the glass fiber reinforced plastic raw materials, make the stirring more uniform, and then make the raw material preheat uniform, solve the preheating effect of the glass fiber reinforced plastic is poor in the use process in the background art, thereby affecting the production quality of the glass fiber reinforced plastic problem.

[0019] 2. The preheating device for glass fiber reinforced plastic production, by setting the scraping unit, by the power supply to the heating wire, the heating wire heats the inner tank, at the same time, the hot air blower blows the hot air into the cavity inside the preheating tank through the air outlet pipe, so that the hot air is dispersed everywhere in the cavity, so that the inner tank is heated uniformly, and then the glass fiber reinforced plastic is preheated uniformly. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic view of the utility model;

[0021] Figure 2 It is the preheating tank internal structure sectional view of the utility model;

[0022] Figure 3 It is the stirring unit structure schematic view of the utility model;

[0023] Figure 4 It is the preheating unit local structure schematic view of the utility model.

[0024] In the drawing: 1, preheating tank; 2, support leg; 3, feed inlet; 4, discharge outlet; 501, support frame; 502, motor; 503, stirring rod one; 504, stirring rod two; 505, gear one; 506, gear two; 601, heating wire; 602, hot air blower; 603, connecting pipe; 604, air outlet pipe; 701, telescopic part; 702, connecting plate; 703, connecting rod; 704, scraper. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figures 1-4 The utility model provides a technical scheme: EMBODIMENT

[0027] The utility model provides a kind of preheating device for glass fiber reinforced plastic production, including preheating tank 1, support leg 2, feed inlet 3 and discharge outlet 4, support leg 2 is fixedly installed in preheating tank 1 bottom left and right sides, feed inlet 3 is installed in preheating tank 1 right side upper end, discharge outlet 4 is fixedly installed in preheating tank 1 bottom, valve is installed in discharge outlet 4 inside, the opening and closing of discharge outlet 4 is controlled by valve, preheating tank 1 inside is provided with preheating device, preheating device includes stirring unit, preheating unit and scraping unit.

[0028] Stirring unit is arranged in preheating tank 1 inside, and an inner tank is opened in preheating tank 1 inside, and the stirring unit is located in the inner tank, and the lower end of the feed inlet 3 is connected with the inner tank, and the glass fiber reinforced plastic raw materials are added into the inner tank through the feed inlet 3, and then stirred by the stirring unit, so that the glass fiber reinforced plastic raw materials are preheated uniformly, and the preheating unit is arranged in the preheating tank 1 inside, and the scraping unit is arranged in the preheating tank 1 inside.

[0029] The stirring unit includes a support frame 501, a motor 502, a stirring rod one 503, a stirring rod two 504, a gear one 505 and a gear two 506, the support frame 501 is fixedly installed on the top of the preheating tank 1, the motor 502 is fixedly installed in the support frame 501, the stirring rod one 503 is fixedly installed on the output end of the motor 502, the stirring rod two 504 is rotatably connected to the top inside of the preheating tank 1 on the left and right sides of the stirring rod one 503, the gear one 505 is fixedly installed on the outer side of the upper end of the stirring rod one 503, the gear two 506 is fixedly installed on the outer side of the upper end of the two stirring rod two 504, the gear one 505 and the gear two 506 are engaged with each other, the stirring rod one 503 is driven to rotate by starting the motor 502, and the two stirring rod two 504 are driven to rotate by the engagement of the gear one 505 and the two gear two 506 when the stirring rod one 503 rotates, so that the stirring rod one 503 and the two stirring rod two 504 rotate simultaneously to stir the glass fiber reinforced plastic raw materials, making the stirring more uniform, and then making the raw materials preheat uniformly.

[0030] Example two: based on example one: the preheating unit includes heating wire 601, hot air blower 602, connecting pipe 603 and air outlet pipe 604, a cavity is opened in the preheating tank 1, the heating wire 601 is installed in the cavity, the heating wire 601 is connected with power supply through wire, the heating wire 601 is powered on through power supply, the inner tank is heated by the heating wire 601, and at the same time, the hot air is blown into the cavity in the preheating tank 1 by the air outlet pipe 604 cooperating with the hot air blower 602, so that the hot air is dispersed in each part of the cavity, so that the inner tank is heated uniformly, and then the glass fiber reinforced plastic is preheated uniformly, the hot air blower 602 is installed on the top of the preheating tank 1 and located on the back of the support frame 501, the connecting pipe 603 is connected to the output end of the hot air blower 602, and the air outlet pipe 604 is connected to the front of the connecting pipe 603 and extends into the preheating tank 1.

[0031] Example three: based on example one: the scraping unit includes telescopic piece 701, connecting plate 702, connecting rod 703 and scraper 704, telescopic piece 701 is fixedly installed on the top of support frame 501, telescopic piece 701 is an electric push rod, connecting plate 702 is fixedly installed on the top of telescopic piece 701, connecting rod 703 is fixedly installed on the bottom of connecting plate 702 on both sides, and scraper 704 is fixedly installed on the bottom of connecting rod 703 and located inside preheating tank 1.

[0032] Example four: based on example three: scraper 704 is annular in shape, and the outer surface of scraper 704 is in contact with the inner wall of inner tank, by starting telescopic piece 701 to push connecting plate 702 to drive connecting rod 703 and scraper 704 to move up and down, so that scraper 704 scrapes off the glass fiber reinforced plastic raw materials adhered to the inner wall of inner tank, avoiding waste of raw materials.

[0033] In use, glass fiber reinforced plastic raw materials are added into inner tank through feeding port 3, then power is supplied to heating wire 601 to heat inner tank, and at the same time, hot air is blown into the cavity inside preheating tank 1 through air outlet pipe 604 by cooperation of air heater 602, so that inner tank is heated uniformly, and glass fiber reinforced plastic raw materials are preheated by inner tank, then motor 502 is started to drive stirring rod one 503 to rotate, and when stirring rod one 503 rotates, two stirring rods two 504 are driven to rotate through the meshing of gear one 505 and two gear two 506, so that stirring rod one 503 and two stirring rods two 504 rotate simultaneously to stir glass fiber reinforced plastic raw materials, so that the raw materials are preheated uniformly, after preheating, opening discharge port 4 can make glass fiber reinforced plastic raw materials be introduced into the extruder through discharge port 4 for processing.

[0034] It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A preheating device for glass fiber reinforced plastic production, comprising a preheating tank (1), supporting legs (2), an inlet (3) and an outlet (4), the supporting legs (2) are fixedly installed on the left and right sides of the bottom of the preheating tank (1), the inlet (3) is installed on the right upper end of the preheating tank (1), and the outlet (4) is fixedly installed on the bottom of the preheating tank (1), characterized in that: The preheating tank (1) is internally provided with a preheating device, which comprises a stirring unit, a preheating unit and a scraping unit. The stirring unit is arranged inside the preheating tank (1), the preheating unit is arranged inside the preheating tank (1), and the scraping unit is arranged inside the preheating tank (1). The stirring unit comprises a support frame (501), a motor (502), a stirring rod one (503), a stirring rod two (504), a gear one (505) and a gear two (506), the support frame (501) is fixedly installed on the top of the preheating tank (1), the motor (502) is fixedly installed inside the support frame (501), the stirring rod one (503) is fixedly installed on the output end of the motor (502), the stirring rod two (504) is rotatably connected to the top of the preheating tank (1) on the left and right sides of the stirring rod one (503), the gear one (505) is fixedly installed on the outer side of the upper end of the stirring rod one (503), and the gear two (506) is fixedly installed on the outer sides of the upper ends of the two stirring rod two (504).

2. The preheating device for producing glass fiber reinforced plastic according to claim 1, characterized in that: An inner tank is arranged inside the preheating tank (1), the stirring unit is arranged inside the inner tank, and the inlet (3) is connected to the lower end of the inner tank.

3. The preheating device for producing glass fiber reinforced plastic according to claim 1, characterized in that: The gear one (505) and the gear two (506) are engaged with each other.

4. The preheating device for producing glass fiber reinforced plastic according to claim 1, characterized in that: The preheating unit comprises a heating wire (601), a hot air blower (602), a connecting pipe (603) and an air outlet pipe (604), the preheating tank (1) is internally provided with a cavity, the heating wire (601) is arranged inside the cavity, the hot air blower (602) is arranged on the top of the preheating tank (1) and located on the back of the support frame (501), the connecting pipe (603) is connected to the output end of the hot air blower (602), and the air outlet pipe (604) is connected to the front of the connecting pipe (603) and extends into the preheating tank (1).

5. The preheating device for producing glass fiber reinforced plastic according to claim 4, characterized in that: The heating wire (601) is connected to the power supply through a wire.

6. The preheating device for producing glass fiber reinforced plastic according to claim 1, characterized in that: The scraping unit comprises a telescopic piece (701), a connecting plate (702), a connecting rod (703) and a scraper (704), the telescopic piece (701) is fixedly installed on the top of the support frame (501), the connecting plate (702) is fixedly installed on the top of the telescopic piece (701), the connecting rod (703) is fixedly installed on the left and right sides of the bottom of the connecting plate (702), and the scraper (704) is fixedly installed on the bottom of the connecting rod (703) and located inside the preheating tank (1).

7. The preheating device for producing glass fiber reinforced plastic according to claim 6, characterized in that: The scraper (704) is annular in shape, and the outer surface of the scraper (704) is in contact with the inner wall of the inner tank.

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