CN109333862B - An anti-clogging plastic granulator discharge device - Google Patents

Abstract

The invention discloses an anti-clogging plastic granulator discharging device, comprising a frame, a barrel and a granulation forming device. The upper end face of the frame is provided with a barrel, a guide rod is arranged inside the barrel, and an outer wall of the guide rod is provided There is a guide sheet, an extrusion pipe is arranged on the outer wall of the lower left side of the barrel, and a granulation forming device is arranged at the lower end of the extrusion pipe. The granulation forming device includes a forming template and a supporting plate, and the The outer wall is provided with a cooling plate. In the present invention, a spirally wound heat-conducting pipe is arranged on the outer wall of the extrusion pipe, and the heat-conducting pipe is connected to the heater, which can heat and maintain the inside of the extrusion pipe, and prevent the molten plastic from being blocked by cooling and hardening. Forming hole, the molten plastic enters the forming hole inside the forming template along the lower end of the extrusion pipe, and the outer wall of the forming template contacts the cooling plate, so that the molten plastic is rapidly cooled and formed, and the size of the plastic particles is consistent.

Description

An anti-clogging plastic granulator discharge device

technical field

The invention relates to the technical field of plastic granulators, in particular to an anti-clogging plastic granulator discharging device.

Background technique

In the plastics manufacturing industry, various plastics of different shapes are prepared into uniform granules that are convenient for subsequent processing through the processes of melting, extrusion, and dicing of plastic pelletizers. The plastic granulator is mainly composed of screw, barrel, heating system, cooling system and cutting system. The granulator is rolled and cut into granules, which is convenient for packaging to achieve the purpose of easy operation, but it still has the following disadvantages in actual use:

1. The existing plastic granulator is not provided with a heat preservation device at the outlet where the molten plastic is extruded from the barrel, which is easy to cool and harden the molten plastic to cause blockage;

2. The shape and size of the granulation depends on the conveying speed of the rolling feed wheel and the cutting rate of the rolling blade on the pelletizer, which is easy to cause inconsistent plastic particle size and rough cutting surface;

3. The strip is cooled by a cooling fan, and the cooling effect is general, which is easy to make the plastic strip not cool quickly and completely, resulting in deformation and affecting the processing quality.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an anti-clogging plastic granulator discharging device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: an anti-clogging plastic granulator discharge device, comprising a frame, a barrel and a granulation forming device, the upper end face of the frame is provided with a barrel, and the barrel is provided with a barrel. There is a guide rod inside, the left end of the guide rod penetrates the side wall of the barrel, and the left end of the guide rod is connected with a material guide motor, which is fixed on the upper end face of the frame, and the outer wall of the guide rod is provided with a material guide piece. The outer wall of the lower left side of the barrel is provided with an extrusion pipe, and a heat conduction pipe is arranged around the outer wall of the extrusion pipe. The two ports of the heat conduction pipe are connected to a heater. A granulating and forming device is provided. The granulating and forming device includes a forming template and a supporting plate. The forming template is provided with forming holes connecting the upper and lower surfaces. There are three support columns on the lower surface of the support plate, and the bottom ends of the three support columns are fixedly arranged on the bottom surface of the inside of the frame. There is a formwork motor just below the middle of the support plate, and the formwork motor is fixed on the bottom surface of the inside of the frame. The rotating shaft of the template motor penetrates through the support plate, and the upper end of the rotating shaft of the template motor is fixedly connected with the forming template, a cooling plate is arranged close to the forming template and the outer wall of the supporting plate, and the outer wall of the cooling plate is wound with a cooling water pipe, and the cooling plate There is a water pump on the right side of the cooling water pipe, both ports of the cooling water pipe are connected with the water pump, and a blowing pipe head is arranged close to the upper surface of the forming template. .

Preferably, the guide material is a helical blade, and a distance of 3-5 mm is left between the edge of the outermost piece of the blade of the material guide piece and the inner wall of the barrel.

Preferably, the forming template and the supporting plate are cylinders with equal diameters, the lower end surface of the forming template is in sliding contact with the upper end surface of the supporting plate, the outer wall of the forming template is in sliding contact with the inner wall of the cooling plate, and the upper end surface of the forming template is provided with a circle An annular groove, the lower end of the extrusion pipe is matched and clamped in the annular groove provided on the upper end face of the forming template.

Preferably, the upper part of the extrusion pipe is in the shape of an inverted conical tube, and the lower surface of the extrusion pipe is in sliding contact with the bottom surface of the annular groove formed on the upper end surface of the forming template.

Preferably, the lower end of the blowing pipe head is fitted into the annular groove formed on the upper end surface of the forming template, and the lower surface of the blowing pipe head is in sliding contact with the bottom surface of the annular groove formed on the upper end surface of the forming template.

Preferably, a plurality of forming holes are evenly arranged on the bottom surface of the annular groove opened on the upper end surface of the forming template, the lower end of the extrusion pipe is arranged on the left side of the upper surface of the forming template, and the lower end of the blowing pipe head is arranged on the bottom of the forming template. Right side of top surface.

Preferably, the right part of the support plate is provided with an opening, and an obliquely arranged discharge guide plate is arranged below the opening, and the discharge guide plate is arranged directly below the blowing pipe head.

Compared with the prior art, the beneficial effects of the present invention are: the present invention has a reasonable structure, strong functionality, and the following advantages:

1. In the present invention, the outer wall of the extrusion pipe is provided with a spirally wound heat conduction pipe, and the heat conduction pipe is connected to the heater, which can heat the inside of the extrusion pipe and prevent the molten plastic from being blocked by cooling and hardening;

2. In the present invention, a plurality of molding holes are evenly opened in the molding template, and the molten plastic enters the molding hole inside the molding template along the lower end of the extrusion pipe, and the outer wall of the molding template contacts the cooling plate, so that the molten plastic is rapidly cooled and formed, and the plastic particles are formed. the same size;

3. In the present invention, the outer wall of the forming template contacts the cooling plate, the outer wall of the cooling plate is spirally wound with a cooling water pipe, and the cooling water pipe is connected to the water pump, which can rapidly cool the forming template and rapidly cool the plastic melted in the forming hole to prevent the occurrence of deformed.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the granulation molding device in the present invention;

Fig. 3 is the front sectional view of the present invention;

FIG. 4 is an enlarged view of A in FIG. 3 .

In the figure: frame 1, barrel 2, granulation forming device 3, guide rod 4, material guide sheet 5, material guide motor 6, extrusion pipe 7, heater 8, forming template 9, support plate 10, template motor 11. Support column 12, discharge guide plate 13, cooling plate 14, water pump 15, high pressure fan 16, blowing pipe head 17, forming hole 18, heat conduction pipe 19, cooling water pipe 20.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Fig. 1 to Fig. 4, the present invention provides a technical solution: an anti-clogging plastic granulator discharging device, comprising a frame 1, a barrel 2 and a granulation forming device 3, as shown in Fig. 1, The upper end surface of the frame 1 is provided with a cylindrical barrel 2, and a coaxial guide rod 4 is arranged inside the barrel 2. The left end of the guide rod 4 penetrates the side wall of the barrel 2, and the left end of the guide rod 4 is connected with a There is a guide motor 6, the guide motor 6 is fixedly arranged on the upper end face of the frame 1, the right end of the guide rod 4 is rotatably connected with the inner wall of the right side of the barrel 2, and the connection between the guide rod 4 and the barrel 2 is provided with bearings. , the outer wall of the guide rod 4 is provided with a material guide piece 5, the outer wall of the lower left side of the barrel 2 is provided with an extrusion pipe 7, and the outer wall of the extrusion pipe 7 is surrounded by a heat pipe 19, and the two ports of the heat pipe 19 are connected. The heater 8, the heater 8 can heat and heat the inside of the extrusion pipe 7 through the heat conduction pipe 19, the heater 8 is arranged inside the rack 1, and a partition is arranged in the middle of the rack 1, and the heater 8 is fixedly arranged on the partition On the top, the lower end of the extrusion pipe 7 is provided with a granulation molding device 3, and the granulation molding device 3 includes a molding die plate 9 and a support plate 10. As shown in FIG. 2 and FIG. 4, the molding die plate 9 is provided with a molding hole connecting the upper and lower surfaces. 18. The molten plastic enters the molding hole 18 inside the molding die plate 9 along the lower end of the extrusion pipe 7. A support plate 10 is provided close to the lower end surface of the molding die plate 9, and a downwardly inclined discharge guide plate is provided on the left side of the support plate 10. 13. For exporting the molded plastic particles, the lower surface of the support plate 10 is provided with three support columns 12, the bottom ends of the three support columns 12 are fixedly arranged on the inner bottom surface of the rack 1, and the support columns 12 are used to fix the support plate 10, the support plate There is a template motor 11 just below the middle of the 10, the template motor 11 is fixedly arranged on the inner bottom surface of the frame 1, the rotating shaft of the template motor 11 penetrates through the support plate 10, and a bearing is provided at the penetration connection, and the rotation of the template motor 11 The upper end of the shaft is fixedly connected with the forming template 9, the forming template 9 can be driven by the template motor 11 to rotate, a cooling plate 14 is provided close to the forming template 9 and the outer wall of the support plate 10, and the outer wall of the cooling plate 14 is wound with a cooling water pipe 20, cooling The right side of the plate 14 is provided with a water pump 15, and both ports of the cooling water pipe 20 are connected to the water pump 15, which can rapidly cool down the forming template 9, rapidly cool the plastic melted in the forming hole 18, and close the forming template 9. The upper surface is provided with a blowing pipe head 17, the right side of the forming template 9 is provided with a high-pressure blower 16, the blowing pipe head 17 is connected to the high-pressure blower 16 through an air duct, and the blowing pipe head 17 is connected to the high-pressure blower 16 to blow the upper end of the forming hole 18. air, so that the plastic particles formed inside the forming hole 18 are ejected and collected along the discharge guide plate 13 , which effectively prevents the plastic particles from being blocked in the forming hole 18 .

The guide sheet 5 is a helical blade, which effectively extrudes the molten plastic into the extrusion pipe 7, and there is a 3-5mm gap between the outermost edge of the blade of the guide sheet 5 and the inner wall of the barrel 2. The distance between the guide piece 5 and the inner wall of the barrel 2 is prevented from being worn.

1 and 4, the forming template 9 and the supporting plate 10 are cylinders with equal diameters, and the lower end face of the forming template 9 is in sliding contact with the upper end face of the supporting plate 10 to prevent molten plastic from flowing out. The inner wall of the cooling plate 14 is in sliding contact, which is convenient for the cooling plate 14 to cool the forming template 9. The upper end surface of the forming template 9 is provided with a circular groove, and the lower end of the extrusion pipe 7 is matched with the upper end surface of the forming template 9 to open a circular ring. inside the groove.

As shown in Figure 3, the upper part of the extrusion pipe 7 is in the shape of an inverted conical tube to ensure uniform and tight melting extrusion, no gap is generated during extrusion, and a circular groove is formed between the lower surface of the extrusion pipe 7 and the upper end surface of the forming template 9 The sliding contact of the bottom surface ensures that the molten plastic only enters the forming hole 18 in the forming template 9 .

The lower end of the blowing pipe head 17 is fitted in the annular groove on the upper end face of the forming template 9, and the lower surface of the blowing pipe head 17 is in sliding contact with the bottom surface of the circular groove on the upper end face of the forming template 9, so as to ensure that the blowing pipe head is in sliding contact. 17 can effectively blow out the molding plastic in the molding hole 18 .

1 and 4, a plurality of forming holes 18 are evenly arranged on the bottom surface of the annular groove on the upper end face of the forming template 9 to ensure production efficiency, and the lower end of the extrusion pipe 7 is arranged on the left side of the upper surface of the forming template 9, The lower end of the blowing pipe head 17 is disposed on the right side of the upper surface of the molding die plate 9 .

The right part of the support plate 10 is provided with an opening, and an inclined discharge guide plate 13 is arranged below the opening. The guide plate 13 leads out the collection.

Working principle: when the present invention works, the processed plastic is put into the feed port on the upper left side of the barrel 2, heated and melted by the heating system outside the barrel 2, and the guide material is connected to the guide material 5 through the guide rod 4. The motor 6 rotates, and the molten plastic is extruded into the extrusion pipe 7 under the right end of the barrel 2. The outer wall of the extrusion pipe 7 is provided with a spirally wound heat pipe 19. The inside of the pipe 7 is heated and insulated to prevent the molten plastic from being blocked by cooling and hardening. The molten plastic enters the forming hole 18 inside the forming template 9 along the lower end of the extrusion pipe 7. The outer wall of the forming template 9 contacts the cooling plate 14, and the outer wall of the cooling plate 14 spirals. Winding is provided with a cooling water pipe 20, the cooling water pipe 20 is connected to the water pump 15, which can rapidly cool the forming template 9, and rapidly cool and form the plastic melted in the forming hole 18. The lower end of the forming template 9 is connected to the template motor 11 for rotation. When the molding hole 18 with molding plastic passes through the lower port of the blowing pipe head 17, the blowing pipe head 17 is connected to the high-pressure blower 16 to blow air on the upper end of the molding hole 18, so that the plastic particles formed inside the molding hole 18 are sprayed out, and along the discharge line. The guide plate 13 is led out and collected, which effectively prevents the plastic particles from being blocked in the molding hole 18 .

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. An anti-clogging plastic granulator discharging device, comprising a frame (1), a barrel (2) and a granulation molding device (3), characterized in that: the upper end face of the frame (1) A barrel (2) is provided, a guide rod (4) is arranged inside the barrel (2), the left end of the guide rod (4) penetrates the side wall of the barrel (2), and the left end of the guide rod (4) is connected with a material guide The motor (6), the material guide motor (6) is fixedly arranged on the upper end face of the frame (1), the outer wall of the guide rod (4) is provided with a material guide piece (5), and the lower left side of the barrel (2) is provided with a material guide piece (5). The outer wall is provided with an extrusion pipe (7), and a heat conduction pipe (19) is arranged around the outer wall of the extrusion pipe (7). Inside the frame (1), a pelletizing and forming device (3) is provided at the lower end of the extrusion pipe (7). ) is provided with a forming hole (18) communicating with the upper and lower surfaces, a support plate (10) is provided close to the lower end surface of the forming template (9), and a downwardly inclined discharge guide plate (13) is provided on the left side of the support plate (10). , the lower surface of the support plate (10) is provided with three support columns (12), the bottom ends of the three support columns (12) are fixedly arranged on the inner bottom surface of the frame (1), and a template motor is provided just below the middle of the support plate (10). (11), the template motor (11) is fixedly arranged on the inner bottom surface of the frame (1), the rotating shaft of the template motor (11) penetrates through the support plate (10), and the upper end of the rotating shaft of the template motor (11) is connected to the forming template (9) Fixed connection, a cooling plate (14) is provided in close contact with the outer wall of the forming template (9) and the support plate (10), the outer wall of the cooling plate (14) is wound with a cooling water pipe (20), and the cooling plate (14) A water pump (15) is arranged on the right side of the cooling water pipe (20), and both ports of the cooling water pipe (20) are connected with the water pump (15). A high-pressure blower (16) is arranged on the right side of the blower, and the blowing pipe head (17) is connected to the high-pressure blower (16) through an air duct. 2. The anti-clogging plastic granulator discharging device according to claim 1, characterized in that: the material guide piece (5) is a helical blade, and the blade of the material guide piece (5) has the most A distance of 3-5mm is left between the edge of the outer sheet and the inner wall of the barrel (2). 3. A kind of anti-clogging plastic granulator discharging device according to claim 1, characterized in that: the forming template (9) and the support plate (10) are cylinders with equal diameters, and the forming template (9) ) in sliding contact with the upper end surface of the support plate (10), and the outer wall of the forming template (9) is in sliding contact with the inner wall of the cooling plate (14). The lower end of the outlet pipe (7) is fitted and clamped in the annular groove provided on the upper end face of the forming template (9). 4. The anti-clogging plastic granulator discharging device according to claim 1, characterized in that: the upper part of the extrusion pipe (7) is an inverted conical tubular shape, and the lower surface of the extrusion pipe (7) is in the shape of an inverted cone. It is in sliding contact with the bottom surface of the annular groove provided on the upper end surface of the forming template (9). 5. A kind of anti-clogging plastic granulator discharging device according to claim 1, characterized in that: the lower end of the blowing pipe head (17) is matched and clamped on the upper end face of the forming template (9) to open a circular ring The lower surface of the blowing pipe head (17) is in sliding contact with the bottom surface of the annular groove formed on the upper end surface of the forming template (9). 6. The anti-clogging plastic granulator discharging device according to claim 1, characterized in that: the bottom surface of the annular groove opened on the upper end face of the forming template (9) is evenly provided with a plurality of forming holes (18), the lower end of the extrusion pipe (7) is arranged on the left side of the upper surface of the forming template (9), and the lower end of the blowing pipe head (17) is arranged on the right side of the upper surface of the forming template (9). 7. The anti-clogging plastic granulator discharging device according to claim 1, characterized in that: the right part of the support plate (10) is provided with an opening, and an inclined discharging guide plate is provided below the opening (13), the discharging guide plate (13) is arranged just below the blowing pipe head (17).

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