Extruder head of granulator

Abstract

The utility model discloses an extruder head of a granulator, which comprises an extrusion head and a die head arranged on the extrusion head, the extrusion head is provided with a ball valve and a rotation driving motor for driving the ball valve to rotate, and the die head is provided with a detachable filter plate; the extrusion head is provided with a feeding runner, a discharging runner and a waste discharge hole, the ball valve is arranged between the feeding runner and the discharging runner, the ball valve is provided with a plastic channel, and the plastic channel is divided into a discharging channel and a waste discharge channel; the die head is provided with an extrusion cavity and a plurality of extrusion holes, the discharge runner is communicated with the extrusion cavity, and the extrusion cavity is communicated with the extrusion holes. According to the utility model, the filter plate can be conveniently and quickly replaced by an operator.

Description

Technical Field

[0001] The utility model belongs to the technical field of extruders, in particular to an extruder head of a granulator. Background Art

[0002] The production of plastic raw materials is the process of making granular plastics by measuring, mixing, extruding, cooling, air-drying, pelletizing and packaging high molecular synthetic resins and various additives and auxiliaries. Plastic raw materials are semi-finished products of the plastic molding industry, and are also raw materials for molding production such as extrusion, injection molding, blow molding and foaming. The plastic extrusion process is to use the extruder screw to extrude the molten plastic from the die under working pressure.

[0003] In actual operation, the raw materials contain impurities that need to be filtered. However, when the impurities clog the filter, it will take a long time for the operator to remove and replace the filter. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide an extruder head for a granulator, which is convenient for operators to quickly replace the filter plate.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: a granulator extruder head, comprising an extruder head and a die head installed on the extruder head, the extruder head is equipped with a ball valve and a rotation drive motor for driving the ball valve to rotate, and the die head is equipped with a detachable filter plate;

[0006] The extruder head is provided with a feed channel, a discharge channel and a waste discharge hole, the ball valve is provided between the feed channel and the discharge channel, the ball valve is provided with a plastic channel, and the plastic channel is branched into a discharge channel and a waste discharge channel;

[0007] The die head is provided with an extrusion cavity and a plurality of extrusion holes, the discharge flow channel is connected with the extrusion cavity, and the extrusion cavity is connected with the plurality of extrusion holes;

[0008] When the feed channel is connected to the plastic channel, the discharge channel is connected to the discharge channel for extrusion granulation;

[0009] When the feed flow channel is connected to the waste discharge channel, the plastic channel is connected to the waste discharge hole for waste discharge;

[0010] The filter plate includes a filter screen and a frame located outside the filter screen, the filter plate is inserted into the mounting groove of the die head, the die head is provided with a mounting hole, the mounting hole is installed with a positioning spring and a positioning column, the positioning column is provided with a circle of outwardly protruding convex ring, the spring is sleeved on the positioning column, and the spring is located between the convex ring and the mounting plate so that the positioning column is inserted into the positioning hole of the frame, the mounting plate is fixed to the die head, when the filter plate needs to be replaced, only the positioning column needs to be lifted to disengage the positioning column from the positioning hole, and the filter plate is pulled out for replacement, so that the operator can quickly replace the filter plate.

[0011] Furthermore, a waste collecting plate is provided below the waste discharge hole, the waste collecting plate is inserted into the slot of the connecting plate, the connecting plate is fixed to the extrusion head, and the discharged waste is collected by the waste collecting plate.

[0012] Furthermore, the screws are threadedly connected to the connecting plate and the waste collecting plate to tighten.

[0013] Furthermore, the ball valve is connected to the output shaft of the rotary drive motor, and the rotary drive motor is fixed to the extruder head.

[0014] Furthermore, the extrusion head includes an upper head and a lower head, and a space for accommodating a ball valve is formed between the upper head and the lower head.

[0015] Furthermore, a lifting head is provided at the tail of the positioning column.

[0016] The beneficial effects of the present invention include at least the following points:

[0017] The die head of the utility model is provided with a mounting hole, and a positioning spring and a positioning column are installed in the mounting hole. The positioning column is provided with a convex ring protruding outwardly, and the spring is sleeved on the positioning column, and the spring is located between the convex ring and the mounting plate so that the positioning column is inserted into the positioning hole of the frame. When the filter plate needs to be replaced, it is only necessary to lift the positioning column to disengage the positioning column from the positioning hole, and pull out the filter plate for replacement, which is convenient for operators to quickly replace the filter plate.

[0018] The extruder head of the utility model is provided with a feed flow channel, a discharge flow channel and a waste discharge hole, a ball valve is provided between the feed flow channel and the discharge flow channel, the ball valve is provided with a plastic channel, the plastic channel is branched into a discharge channel and a waste discharge channel, the ball valve is driven by a rotating drive motor to rotate, when the feed flow channel is connected with the waste discharge channel, the plastic channel is connected with the waste discharge hole, so that the head can discharge waste conveniently;

[0019] A waste collecting plate is provided below the waste discharge hole of the utility model, and the discharged waste is collected by the waste collecting plate. It is worth mentioning that the waste collecting plate is inserted into the slot of the connecting plate, and the connecting plate is fixed to the extruder head, so that the waste collecting plate can be removed easily to clean the waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a cross-sectional view of the utility model;

[0022] Figure 3 The utility model Figure 2 A magnified view of point A;

[0023] Figure 4 The utility model Figure 2 The enlarged view of point B;

[0024] Figure 5 It is a cross-sectional view of the die head of the utility model;

[0025] Figure 6 The utility model Figure 5 The enlarged view of point C;

[0026] Figure 7 It is a cross-sectional view of the ball valve of the utility model;

[0027] Figure 8 It is a structural schematic diagram of the filter plate of the utility model;

[0028] The parts in the accompanying drawings are marked as follows:

[0029] 1. Extrusion head; 11. Feed channel; 12. Discharge channel; 13. Waste discharge hole; 2. Die head; 21. Extrusion cavity; 22. Extrusion hole; 23. Mounting slot; 24. Mounting hole; 3. Ball valve; 31. Plastic channel; 32. Discharge channel; 33. Waste discharge channel; 4. Rotating drive motor; 51. Filter; 52. Frame; 521. Positioning hole; 61. Positioning spring; 62. Positioning column; 621. Boss; 622. Lifting head; 7. Mounting plate; 81. Waste collection plate; 82. Connecting plate; 821. Slot; 83. Screw. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0031] Embodiment: A granulator extruder head, such as Figure 1 As shown, it includes an extrusion head 1 and a die head 2 installed on the extrusion head 1, the extrusion head 1 is installed with a ball valve 3 and a rotation drive motor 4 for driving the ball valve 3 to rotate, and the die head 2 is installed with a detachable filter plate;

[0032] like Figure 2 As shown, the extruder head 1 is provided with a feed channel 11, a discharge channel 12 and a waste discharge hole 13, and the ball valve 3 is provided between the feed channel 11 and the discharge channel 12. Figure 7 As shown, the ball valve 3 is provided with a plastic channel 31, and the plastic channel 31 is branched into a discharge channel 32 and a waste discharge channel 33;

[0033] like Figure 3 As shown, the die head 2 is provided with an extrusion cavity 21 and a plurality of extrusion holes 22, the discharge channel 12 is connected with the extrusion cavity 21, and the extrusion cavity 21 is connected with the plurality of extrusion holes 22;

[0034] When the feed channel 11 is connected to the plastic channel 31, the discharge channel 32 is connected to the discharge channel 12 for extrusion granulation;

[0035] When the feed channel 11 is connected to the waste discharge channel 33, the plastic channel 31 is connected to the waste discharge hole 13 for waste discharge;

[0036] like Figure 8 As shown, the filter plate includes a filter screen 51 and a frame 52 located outside the filter screen 51. Figure 5 As shown, the filter plate is inserted into the mounting groove 23 of the die head 2. Figure 6 As shown, the die head 2 is provided with a mounting hole 24, and the mounting hole 24 is installed with a positioning spring 61 and a positioning column 62. The positioning column 62 is provided with a circle of outwardly protruding convex ring 621, and the spring is sleeved on the positioning column 62, and the spring is located between the convex ring 621 and the mounting plate 7 so that the positioning column 62 can be inserted into the positioning hole 521 of the frame 52, and the mounting plate 7 is fixed to the die head 2.

[0037] like Figure 4 As shown, a waste collecting plate 81 is provided below the waste discharge hole 13 , and the waste collecting plate 81 is inserted into a slot 821 of a connecting plate 82 , and the connecting plate 82 is fixed to the extrusion head 1 .

[0038] The screws 83 are threadedly connected to the connecting plate 82 and the waste collecting plate 81 to be tightly pressed against each other.

[0039] The ball valve 3 is connected to the output shaft of the rotary drive motor 4 , and the rotary drive motor 4 is fixed to the extrusion head 1 .

[0040] The extrusion head 1 includes an upper head and a lower head, and a space for accommodating a ball valve 3 is formed between the upper head and the lower head.

[0041] A lifting head 622 is disposed at the tail of the positioning post 62 .

[0042] The working principle of the utility model is as follows: the driving motor is rotated to drive the ball valve to rotate, the feed flow channel is connected with the waste discharge channel, the waste falls out after passing through the plastic channel and the waste discharge hole, and then the driving motor is rotated to drive the ball valve to rotate, the feed flow channel is connected with the plastic channel, the plastic raw material enters the extrusion cavity of the die head after passing through the discharge channel and the discharge flow channel, and is extruded from the extrusion hole after being filtered by the filter net.

[0043] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A granulator extruder head, characterized in that: It comprises an extrusion head (1) and a die head (2) mounted on the extrusion head, the extrusion head is equipped with a ball valve (3) and a rotation drive motor (4) for driving the ball valve to rotate, and the die head is equipped with a detachable filter plate; The extruder head is provided with a feed channel (11), a discharge channel (12) and a waste discharge hole (13); the ball valve is provided between the feed channel and the discharge channel; the ball valve is provided with a plastic channel (31); the plastic channel is branched into a discharge channel (32) and a waste discharge channel (33); The die head is provided with an extrusion cavity (21) and a plurality of extrusion holes (22), the discharge channel is connected to the extrusion cavity, and the extrusion cavity is connected to the plurality of extrusion holes; When the feed channel is connected to the plastic channel, the discharge channel is connected to the discharge channel for extrusion granulation; When the feed flow channel is connected to the waste discharge channel, the plastic channel is connected to the waste discharge hole for waste discharge; The filter plate comprises a filter screen (51) and a frame (52) located outside the filter screen. The filter plate is inserted into the mounting groove (23) of the die head. The die head is provided with a mounting hole (24). A positioning spring (61) and a positioning column (62) are installed in the mounting hole. The positioning column is provided with a circle of outwardly protruding convex ring (621). The spring is sleeved on the positioning column. The spring is located between the convex ring and the mounting plate (7) so that the positioning column is inserted into the positioning hole (521) of the frame. The mounting plate is fixed to the die head.

2. The granulator extruder head according to claim 1, characterized in that: A waste collection plate (81) is provided below the waste discharge hole, and the waste collection plate is inserted into a slot (821) of a connecting plate (82), and the connecting plate is fixed to the extrusion head.

3. The granulator extruder head according to claim 2, characterized in that: The screw (83) is threadedly connected to the connecting plate and the waste collecting plate to be tightly pressed.

4. The granulator extruder head according to claim 1, characterized in that: The ball valve is connected to the output shaft of the rotary drive motor, and the rotary drive motor is fixed to the extrusion head.

5. The granulator extruder head according to claim 1, characterized in that: The extrusion head comprises an upper die head and a lower die head, and a space for accommodating a ball valve is formed between the upper die head and the lower die head.

6. The granulator extruder head according to claim 1, characterized in that: A lifting head (622) is provided at the tail of the positioning column.

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