Injection material preheating device for toy production

Abstract

The utility model discloses a kind of injection molding raw material preheating devices for toy production, including supporting base, supporting base top is equipped with screw conveyor barrel, screw conveyor barrel rear end top is equipped with feed pipe, feed pipe top is equipped with storage tank, storage tank top is equipped with charging port, screw conveyor barrel outside is equipped with temperature control structure, temperature control structure includes inside heating coil layer and outside temperature control space, temperature control space top is equipped with multiple air ducts, multiple air ducts are commonly equipped with gas collector pipe, gas collector pipe top is equipped with air pump, air pump is equipped with the first air extraction pipe that communicates with gas collector pipe, storage tank inner wall inside is equipped with preheating cavity, air pump is equipped with the air pipe that communicates with preheating cavity, preheating cavity top is equipped with exhaust pipe.The utility model has the advantages compared with prior art in that: the waste heat of coil heating is extracted into storage tank for preheating by the device, the waste heat can be recycled, the product production quality can be guaranteed while reducing energy consumption.

Description

Technical Field

[0001] This utility model relates to the technical field of plastic toy production equipment, specifically to a preheating device for injection molding raw materials used in toy production. Background Technology

[0002] Plastic toys are toys made primarily of high-molecular synthetic resin with various auxiliary materials or additives. Plastic toys come in a variety of colors and shapes and can be designed into various cute animals, cartoon characters, vehicles, and other shapes to satisfy children's love and imagination for different images.

[0003] In the production of plastic toys, injection molding is often used. Current injection molding equipment mostly uses coil heating. The preheated plastic raw material is directly fed into the injection molding machine, resulting in better product quality compared to unpreheated material. However, preheating increases the energy consumption of the equipment. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a preheating device for injection molding raw materials in toy production, addressing the shortcomings mentioned in the background art.

[0005] To solve the above technical problems, the technical solution provided by this utility model is as follows: a preheating device for injection molding raw materials for toy production, including a support base, a screw conveyor barrel at the top of the support base, a feed pipe at the top of the rear end of the screw conveyor barrel, a storage box at the top of the feed pipe, a feeding port at the top of the storage box, and a temperature control structure on the outside of the screw conveyor barrel.

[0006] The temperature control structure includes an inner heating coil layer and an outer temperature control space. The top of the temperature control space is provided with multiple air guide pipes, and the multiple air guide pipes are provided with a common air collection pipe. The top of the air collection pipe is provided with a vacuum pump, and the vacuum pump is provided with a first vacuum pipe connected to the air collection pipe. The inner wall of the storage box is provided with a preheating chamber, and the vacuum pump is provided with an air outlet pipe connected to the preheating chamber. The top of the preheating chamber is provided with an exhaust pipe.

[0007] Furthermore, the temperature control structure has an air inlet at the bottom that communicates with the temperature control space, and the air inlet is equipped with a filter structure.

[0008] Furthermore, the air pump is equipped with a second air extraction pipe, and the first air extraction pipe and the second air extraction pipe are respectively equipped with a first electrically controlled valve and a second electrically controlled valve.

[0009] Furthermore, the top of the storage tank is equipped with a stirring motor, the power end of the stirring motor is equipped with a rotating shaft extending into the storage tank, the rotating shaft is equipped with multiple stirring rods inside the storage tank, and the rotating shaft extends into the feed pipe and is equipped with spiral blades.

[0010] Furthermore, a first temperature sensor is provided at the top of the storage box, a second temperature sensor is provided on the feed pipe, a plurality of third temperature sensors are provided on one side of the temperature control structure in conjunction with the heating coil layer, and a plurality of fourth temperature sensors are provided on the other side in conjunction with the temperature control space.

[0011] The advantages of this invention for preheating injection molding raw materials in toy production compared to existing technologies are as follows: This device preheats the material by drawing the residual heat from the coil heating into the storage tank, which can recycle the residual heat, reduce energy consumption, and ensure product quality. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the first structure of a preheating device for injection molding raw materials used in toy production.

[0013] Figure 2 This is a schematic diagram of the second structure of a preheating device for injection molding raw materials used in toy production.

[0014] Figure 3 This is a cross-sectional structural diagram of a preheating device for injection molding raw materials used in toy production.

[0015] As shown in the figure: 1. Support base; 2. Screw conveyor barrel; 3. Feed pipe; 4. Storage bin; 5. Feeding port; 6. Temperature control structure; 7. Heating coil layer; 8. Temperature control space; 9. Air guide pipe; 10. Air collection pipe; 11. Air pump; 12. First air extraction pipe; 13. Air outlet pipe; 14. Preheating chamber; 15. Exhaust pipe; 16. Air inlet; 17. Filter structure; 18. Second air extraction pipe; 19. First electric control valve; 20. Second electric control valve; 21. Stirring motor; 22. Rotating shaft; 23. Stirring rod; 24. Spiral blade; 25. First temperature sensor; 26. Second temperature sensor; 27. Third temperature sensor; 28. Fourth temperature sensor. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings.

[0017] Combined with appendix Figure 1-3 A preheating device for injection molding raw materials used in toy production includes a support base 1, a screw conveyor barrel 2 on the top of the support base 1, a feed pipe 3 at the top of the rear end of the screw conveyor barrel 2, a storage tank 4 at the top of the feed pipe 3, a feeding port 5 at the top of the storage tank 4, and a temperature control structure 6 on the outside of the screw conveyor barrel 2. The above structure is a common injection molding machine structure, which can complete basic injection molding operations through spiral conveying and heating output.

[0018] The temperature control structure 6 includes an inner heating coil layer 7 and an outer temperature control space 8. The hot air from the heating coil layer 7 is conducted into the outer temperature control space 8 for operation. The top of the temperature control space 8 is provided with multiple air guide pipes 9, and the multiple air guide pipes 9 are connected to a common air collection pipe 10. The top of the air collection pipe 10 is provided with a vacuum pump 11, and the vacuum pump 11 is provided with a first vacuum pipe 12 connected to the air collection pipe 10. The inner wall of the storage box 4 is provided with a preheating chamber 14, and the vacuum pump 11 is provided with an air outlet pipe 13 connected to the preheating chamber 14. The bottom of the temperature control structure 6 is provided with an air inlet 16 connected to the temperature control space 8, and the air inlet 16 is provided with a filter structure 17. That is, when the vacuum pump 11 is activated, it works with multiple pipes to extract the hot air from the outer temperature control space 8. First, it can dissipate heat and control the temperature of the heating coil layer 7. Second, it can also draw the overflowing residual heat into the storage box 4 to preheat the raw materials, which can achieve energy saving and ensure the production quality of injection molded products.

[0019] The storage bin 4 is equipped with a first temperature sensor 25 at its top, and the feed pipe 3 is equipped with a second temperature sensor 26. The temperature control structure 6 is equipped with multiple third temperature sensors 27 on one side to cooperate with the heating coil layer 7, and multiple fourth temperature sensors 28 on the other side to cooperate with the temperature control space 8. Through multiple temperature sensors, the temperature at the corresponding location can be sensed, thereby controlling the temperature through the equipment. For example, by sensing the temperature of the inner heating coil layer 7 and the outer temperature control space 8 through the third temperature sensor 27 and the fourth temperature sensor 28, the temperature of the inner heating coil layer 7 and the outer temperature control space 8 can be controlled by controlling the power of the air pump 11.

[0020] The preheating chamber 14 is equipped with an exhaust pipe 15 at the top, and the air pump 11 is equipped with a second air extraction pipe 18. The first air extraction pipe 12 and the second air extraction pipe 18 are respectively equipped with a first electric control valve 19 and a second electric control valve 20. That is, the air pump 11 has two air extraction pipes, which, together with the exhaust pipe 15, can prevent excessive heat from accumulating in the preheating chamber 14. If the temperature is sensed by the first temperature sensor 25 and the second temperature sensor 26, and the temperature is too high, the raw materials are prone to sticking. Therefore, the first electric control valve 19 can be closed and the second electric control valve 20 can be opened to extract external gas and quickly cool down the preheating chamber 14. If the temperature is too low and the preheating effect is not achieved, the first electric control valve 19 can be opened and the second electric control valve 20 can be closed to extract hot gas and raise the temperature for heating.

[0021] The storage tank 4 is equipped with a stirring motor 21 at its top. The power end of the stirring motor 21 is equipped with a rotating shaft 22 extending into the storage tank 4. The rotating shaft 22 is equipped with multiple stirring rods 23 inside the storage tank 4. The rotating shaft 22 extends into the feed pipe 3 and is equipped with spiral blades 24. Preheating through the preheating chamber 14 can easily lead to uneven heating of the raw materials inside. Therefore, a stirring device is set up to stir and ensure uniform heating. The spiral blades 24 can prevent the raw materials from sticking in the feed pipe 3 and ensure uniform conveying.

[0022] Meanwhile, the electrical components of the equipment require external electrical control cabinets and power supplies, which are common circuit power supply settings, so they will not be elaborated on further.

[0023] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A preheating device for injection molding raw materials in toy production, comprising a support base (1), wherein a screw conveyor barrel (2) is provided on the top of the support base (1), a feed pipe (3) is provided on the top of the rear end of the screw conveyor barrel (2), a storage tank (4) is provided on the top of the feed pipe (3), and a feeding port (5) is provided on the top of the storage tank (4), characterized in that: The screw conveyor barrel (2) is provided with a temperature control structure (6) on the outside; The temperature control structure (6) includes an inner heating coil layer (7) and an outer temperature control space (8). The temperature control space (8) is provided with multiple air guide pipes (9) at the top. The multiple air guide pipes (9) are provided with a common air collection pipe (10). The air collection pipe (10) is provided with a vacuum pump (11) at the top. The vacuum pump (11) is provided with a first vacuum pipe (12) connected to the air collection pipe (10). The inner wall of the storage box (4) is provided with a preheating chamber (14). The vacuum pump (11) is provided with an exhaust pipe (13) connected to the preheating chamber (14). The top of the preheating chamber (14) is provided with an exhaust pipe (15).

2. The preheating device for injection molding raw materials in toy production according to claim 1, characterized in that: The temperature control structure (6) has an air inlet (16) at the bottom that communicates with the temperature control space (8), and a filter structure (17) is provided inside the air inlet (16).

3. The preheating device for injection molding raw materials in toy production according to claim 1, characterized in that: The air pump (11) is provided with a second air extraction pipe (18), and the first air extraction pipe (12) and the second air extraction pipe (18) are respectively provided with a first electric control valve (19) and a second electric control valve (20).

4. The preheating device for injection molding raw materials in toy production according to claim 1, characterized in that: The storage tank (4) is equipped with a stirring motor (21) at the top. The stirring motor (21) has a rotating shaft (22) extending into the storage tank (4) at its power end. The rotating shaft (22) is located inside the storage tank (4) and is equipped with multiple stirring rods (23). The rotating shaft (22) extends into the feed pipe (3) and is equipped with spiral blades (24).

5. The preheating device for injection molding raw materials in toy production according to claim 1, characterized in that: The storage box (4) is equipped with a first temperature sensor (25) at the top, the feed pipe (3) is equipped with a second temperature sensor (26), the temperature control structure (6) is equipped with multiple third temperature sensors (27) on one side to cooperate with the heating coil layer (7), and multiple fourth temperature sensors (28) on the other side to cooperate with the temperature control space (8).

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