Injection molding machine for plastic processing

Abstract

The utility model discloses an injection molding machine for plastic processing, which relates to the technical field of plastic processing and comprises an injection molding bin and a cooling pond, the injection molding bin is mounted above the cooling pond, a placing plate is mounted at the upper end of the cooling pond, a notch is arranged on the surface of the placing plate, the injection molding bin penetrates through the notch, and the bottom end of the injection molding bin is connected with a discharge end. A through hole is formed in the bottom face of the cooling pond, the discharging end penetrates through the through hole, a supporting plate is installed at the upper end of the injection molding bin, a longitudinal push rod is connected to the bottom end of the supporting plate, a plunger is installed in the injection molding bin, the output end of the longitudinal push rod is connected with the plunger, a mixing bin is installed above the injection molding bin, and a stirring rod is installed in the mixing bin. The plunger is installed in the injection molding bin and matched with the longitudinal push rod at the upper end to conduct longitudinal extrusion, so that plastic is extruded out of the discharging end, the injection molding bin is installed in the cooling pond, the bottom end of the cooling pond is connected with the heat exchanger, the heat exchanger is matched with the circulating pipe to conduct water source cooling in the cooling pond, and the plastic forming efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic processing, in particular to an injection molding machine for plastic processing. Background Art

[0002] Plastic injection molding equipment is a vital part of the plastic processing industry. It is mainly used to inject molten plastic materials into molds and obtain the desired plastic products after cooling and solidification.

[0003] The current injection molding equipment has a simple operating structure, which usually includes hot melting and extrusion steps. However, the high-temperature plastic after hot melting is slowly cooled after extrusion, which affects the molding efficiency. In addition, the current injection molding equipment lacks a mixing mechanism before plastic extrusion, and the plastic mixing uniformity in the early stage is insufficient, and the later molding effect needs to be improved. Therefore, the utility model proposes an injection molding machine for plastic processing. Utility Model Content

[0004] The main purpose of the utility model is to provide an injection molding machine for plastic processing to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: an injection molding machine for plastic processing, comprising an injection molding bin and a cooling pool, an injection molding bin is installed above the cooling pool, a placement plate is installed at the upper end of the cooling pool, a notch is arranged on the surface of the placement plate, the injection molding bin passes through the notch, a discharge end is connected to the bottom end of the injection molding bin, a through hole is arranged on the bottom surface of the cooling pool, the discharge end passes through the through hole, a support plate is installed at the upper end of the injection molding bin, a longitudinal push rod is connected to the bottom end of the support plate, a plunger is installed inside the injection molding bin, the output end of the longitudinal push rod is connected to the plunger, a mixing bin is installed above the injection molding bin, a stirring rod is installed inside the mixing bin, a cover plate is connected to the upper end of the mixing bin, a driving motor is connected to the upper end of the cover plate, the output end of the driving motor passes through the cover plate, and the output end of the driving motor is connected to the stirring rod, a material guide pipe is connected to the bottom end of the mixing bin, and one end of the material guide pipe is connected to the injection molding bin;

[0006] Among them, the installation height of the plunger is higher than the height of the connection position between the material guide pipe and the injection molding bin, which is convenient for the plunger to extrude the plastic. A guide pump is installed inside the cooling pool, and a guide pipe is installed outside the cooling pool. The input end of the guide pipe is connected to the guide pump, and the output end of the guide pipe is connected to the mixing bin. A control valve is connected between the outside of the material guide pipe and the mixing bin to control the opening and closing of the material guide pipe. The bottom end of the cooling pool is fixedly connected to a base frame to support and fix the injection molding machine.

[0007] Preferably, a heat exchanger is connected to the bottom end of the cooling pool, a circulation pipe is connected to the output end of one side of the heat exchanger, the circulation pipe extends into the cooling pool, the reflux end of the circulation pipe is connected to the heat exchanger, and the heat exchanger is used to circulate and cool the cooling pool through the circulation pipe, thereby cooling the plastic to facilitate its rapid molding after extrusion; a connecting column is connected to the bottom end of the support plate, one end of the connecting column is connected to the injection molding bin, a clamp is connected to the bottom end of the placement plate, one end of the clamp is connected to the cooling pool, a stand is connected to the upper end of the cooling pool, the top of the stand is connected to the mixing bin, and the mixing bin is supported and connected by the stand.

[0008] Preferably, a feed pipe is connected to the upper end of the cover plate, and the lower part of the feed pipe is adapted to the position of the mixing bin for adding materials into the mixing bin. A drain pipe is connected to the bottom end of the cooling pool, and a switch valve is connected to one side of the drain pipe to discharge cooling wastewater after long-term use.

[0009] A control panel is installed outside the cooling pool, and the control panel is electrically connected to the longitudinal push rod, the driving motor, the diversion pump and the heat exchanger respectively, so that the equipment operation control has a high degree of automation.

[0010] The utility model has the following beneficial effects:

[0011] The utility model is an injection molding machine for plastic processing. A plunger is installed in the injection molding chamber. The plunger cooperates with the upper longitudinal push rod to perform longitudinal extrusion, so that the plastic is extruded from the discharge end. The injection molding chamber is installed in a cooling pool. The bottom of the cooling pool is connected to a heat exchanger. The heat exchanger cooperates with a circulation pipe to cool the water source in the cooling pool. When the plastic is extruded, the cooling water is used to form heat exchange with it, thereby shortening the molding time after the plastic is extruded and improving the molding efficiency.

[0012] The injection molding bin is connected to the mixing bin through a guide pipe. A stirring mechanism is installed in the mixing bin to enhance the uniformity of plastic mixing and improve the subsequent extrusion effect. A guide pipe is connected to one side of the cooling pool to divert cooling water to the mixing bin. Water can be added and mixed according to the extrusion requirements of the plastic, or the mixing bin can be cleaned after mixing is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the plastics processing injection molding machine of the utility model;

[0014] Figure 2 This is a front view of the plastics processing injection molding machine of the utility model;

[0015] Figure 3 For this utility model Figure 2 Sectional view of the AA plane;

[0016] Figure 4 For this utility model Figure 2Sectional view of the middle BB plane;

[0017] Figure 5 For this utility model Figure 3 A partial enlarged view of point C in the middle;

[0018] Figure 6 The utility model is a bottom structural schematic diagram of an injection molding machine for plastic processing.

[0019] In the figure: 1. Injection molding chamber; 2. Longitudinal push rod; 3. Plunger; 4. Connecting column; 5. Support plate; 6. Discharge end; 7. Mixing chamber; 8. Driving motor; 9. Cover plate; 10. Feed pipe; 11. Stirring rod; 12. Guide pipe; 13. Control valve; 14. Diversion pump; 15. Diversion pipe; 16. Placement plate; 17. Clamp; 18. Stand; 19. Control panel; 20. Heat exchanger; 21. Circulation pipe; 22. Drain pipe; 23. Base frame; 24. Cooling tank. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0021] In the present invention, unless otherwise clearly defined and limited, the terms "installation", "connection", "fixation" and the like 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 direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Please refer to Figure 1-Figure 6As shown, the utility model is an injection molding machine for plastic processing, including an injection molding bin 1 and a cooling pool 24, the injection molding bin 1 is installed above the cooling pool 24, a placement plate 16 is installed on the upper end of the cooling pool 24, a notch is arranged on the surface of the placement plate 16, the injection molding bin 1 passes through the notch, the bottom end of the injection molding bin 1 is connected with a discharge end 6, a through hole is arranged on the bottom surface of the cooling pool 24, the discharge end 6 passes through the through hole, a support plate 5 is installed on the upper end of the injection molding bin 1, a longitudinal push rod 2 is connected to the bottom end of the support plate 5, the rated output power of the longitudinal push rod 2 is 1.8KW, a plunger 3 is installed inside the injection molding bin 1, the installation height of the plunger 3 is higher than the connection position height between the guide pipe 12 and the injection molding bin 1, when the guide pipe 12 injects material into the injection molding bin 1, the plunger 3 does not interfere with the plastic material, and the operation is smooth, the output end of the longitudinal push rod 2 is connected to the plunger 3, a mixing bin 7 is installed above the injection molding bin 1, and a mixing bin 7 is installed at the bottom of the injection molding bin 1. A stirring rod 11 is installed inside the silo 7, a cover plate 9 is connected to the upper end of the mixing silo 7, a driving motor 8 is connected to the upper end of the cover plate 9, the rated output power of the driving motor 8 is 1.2KW, the output end of the driving motor 8 passes through the cover plate 9, and the output end of the driving motor 8 is connected to the stirring rod 11, a guide pipe 12 is connected to the bottom end of the mixing silo 7, a control valve 13 is connected between the outer side of the guide pipe 12 and the mixing silo 7, the opening and closing of the guide pipe 12 is controlled, the other end of the guide pipe 12 is connected to the injection molding silo 1, a guide pump 14 is installed inside the cooling pool 24, the rated output power of the guide pump 14 is 0.75KW, a guide pipe 15 is installed outside the cooling pool 24, the input end of the guide pipe 15 is connected to the guide pump 14, the output end of the guide pipe 15 is connected to the mixing silo 7, and the bottom end of the cooling pool 24 is fixedly connected to a base frame 23 to support and fix the injection molding machine.

[0023] The bottom of the cooling pool 24 is connected to a heat exchanger 20, and the rated output power of the heat exchanger 20 is 2.0KW. The output end of one side of the heat exchanger 20 is connected to a circulation pipe 21, and the circulation pipe 21 extends into the cooling pool 24. The return end of the circulation pipe 21 is connected to the heat exchanger 20. The heat exchanger 20 includes a coolant. The heat exchanger 20 is used to circulate and guide the cooling water, and the cooling water is quickly cooled down with the coolant. The cooling of the plastic by the cooling water improves the molding efficiency of the plastic after extrusion. The bottom of the support plate 5 is connected to a connecting column 4, and one end of the connecting column 4 is connected to the injection molding bin 1. The support plate 5 is connected and fixed by the connecting column 4, the bottom end of the placement plate 16 is connected with a clamp 17, one end of the clamp 17 is connected to the cooling pool 24, the placement plate 16 is installed and fixed by the clamp 17, the upper end of the cooling pool 24 is connected with a stand 18, the top of the stand 18 is connected to the mixing bin 7, and the mixing bin 7 is supported and fixed by the stand 18; the upper end of the cover plate 9 is connected with a feed pipe 10, the lower part of the feed pipe 10 is adapted to the position of the mixing bin 7, the bottom end of the cooling pool 24 is connected with a drain pipe 22, one side of the drain pipe 22 is connected with a switch valve, and the plastic raw materials are injected into the mixing bin 7 through the feed pipe 10;

[0024] According to the actual needs of plastic processing, a heating mechanism is installed outside the mixing bin 7 to heat-melt the plastic. After the plastic is heat-melted in the mixing bin 7, it can be directly guided to the injection molding bin 1 by the guide pipe 12, so that the plastic is extruded, and the processing efficiency is further improved.

[0025] A control panel 19 is installed on the outside of the cooling pool 24. The control panel 19 is electrically connected to the longitudinal push rod 2, the drive motor 8, the diversion pump 14 and the heat exchanger 20 respectively. The control panel 19 is used to electrically start the longitudinal push rod 2, and the longitudinal push rod 2 longitudinally pushes the plunger 3, thereby performing an extrusion operation on the plastic. The control panel 19 is used to electrically start the drive motor 8, and the drive motor 8 drives the stirring rod 11 to rotate, so as to mix the plastic materials and facilitate subsequent extrusion. The control panel 19 is used to electrically start the diversion pump 14, and the cooling water in the cooling pool 24 is guided to the mixing bin 7 through the diversion pipe 15, so as to facilitate plastic processing and cleaning of the mixing bin 7. The control panel 19 is used to electrically start the heat exchanger 20 to help perform heat exchange cooling in the cooling pool 24 and improve the efficiency of plastic extrusion molding.

[0026] The utility model is an injection molding machine for plastic processing. Plastic is contained in an injection molding chamber 1. A plunger 3 is installed in the injection molding chamber 1. The plunger 3 cooperates with a longitudinal push rod 2 at the upper end of the injection molding chamber 1 to perform longitudinal extrusion, so that the plastic is extruded from a discharge end 6. The injection molding chamber 1 is installed in a cooling pool 24. The bottom end of the cooling pool 24 is connected to a heat exchanger 20. The heat exchanger 20 cooperates with a circulation pipe 21 to cool the water source in the cooling pool 24. When the plastic is extruded, the cooling water is used to form heat exchange with it to reduce its temperature, so as to shorten the molding time of the plastic after extrusion and improve the molding efficiency.

[0027] The injection molding bin 1 is connected to the mixing bin 7 through the guide pipe 12. A stirring mechanism is installed in the mixing bin 7. The stirring mechanism is used to stir the plastic to enhance the uniformity of the plastic mixing and facilitate the subsequent extrusion effect. The cooling pool 24 is connected to the guide pipe 15 on one side to guide the cooling water source to the mixing bin 7. Water source can be added and mixed according to the extrusion requirements of the plastic, or the mixing bin 7 can be cleaned after the mixing is completed, which is convenient to operate.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An injection molding machine for plastic processing, characterized in that: The invention comprises an injection molding chamber (1) and a cooling pool (24), wherein the injection molding chamber (1) is installed above the cooling pool (24), a placement plate (16) is installed at the upper end of the cooling pool (24), a notch is arranged on the surface of the placement plate (16), the injection molding chamber (1) passes through the notch, the bottom end of the injection molding chamber (1) is connected to a discharge end (6), a through hole is arranged on the bottom surface of the cooling pool (24), the discharge end (6) passes through the through hole, a support plate (5) is installed at the upper end of the injection molding chamber (1), a longitudinal push rod (2) is connected to the bottom end of the support plate (5), a plunger (3) is installed inside the injection molding chamber (1), the output end of the longitudinal push rod (2) is connected to the plunger (3), a mixing chamber (7) is installed above the injection molding chamber (1), and a mixing chamber (7) is installed inside the mixing chamber (7). A stirring rod (11) is provided, the upper end of the mixing bin (7) is connected to a cover plate (9), the upper end of the cover plate (9) is connected to a driving motor (8), the output end of the driving motor (8) passes through the cover plate (9), and the output end of the driving motor (8) is connected to the stirring rod (11), the bottom end of the mixing bin (7) is connected to a material guide pipe (12), one end of the material guide pipe (12) is connected to an injection molding bin (1), a flow guide pump (14) is installed inside the cooling pool (24), a flow guide pipe (15) is installed outside the cooling pool (24), the input end of the flow guide pipe (15) is connected to the flow guide pump (14), the output end of the flow guide pipe (15) is connected to the mixing bin (7), and the bottom end of the cooling pool (24) is fixedly connected to a base frame (23).

2. The plastics processing injection molding machine according to claim 1, characterized in that: The bottom end of the cooling pool (24) is connected to a heat exchanger (20), and an output end on one side of the heat exchanger (20) is connected to a circulation pipe (21). The circulation pipe (21) extends into the interior of the cooling pool (24), and a return end of the circulation pipe (21) is connected to the heat exchanger (20).

3. The plastics processing injection molding machine according to claim 1, characterized in that: The bottom end of the support plate (5) is connected to a connecting column (4), one end of the connecting column (4) is connected to the injection molding bin (1), the bottom end of the placement plate (16) is connected to a clamp (17), one end of the clamp (17) is connected to a cooling pool (24), the top end of the cooling pool (24) is connected to a stand (18), and the top end of the stand (18) is connected to the mixing bin (7).

4. The plastics processing injection molding machine according to claim 1, characterized in that: A control valve (13) is connected between the outer side of the material guide pipe (12) and the material mixing bin (7).

5. The plastics processing injection molding machine according to claim 1, characterized in that: The installation height of the plunger (3) is higher than the height of the connection position between the material guide tube (12) and the injection molding bin (1).

6. The plastics processing injection molding machine according to claim 1, characterized in that: The upper end of the cover plate (9) is connected to a feed pipe (10), the lower end of the feed pipe (10) is adapted to the position of the mixing bin (7), the lower end of the cooling pool (24) is connected to a drain pipe (22), and one side of the drain pipe (22) is connected to a switch valve.

7. The plastics processing injection molding machine according to claim 1, characterized in that: A control panel (19) is installed outside the cooling pool (24), and the control panel (19) is electrically connected to the longitudinal push rod (2), the drive motor (8), the diversion pump (14) and the heat exchanger (20) respectively.

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