Injection mold with ejection blanking structure

Abstract

The utility model discloses an injection mold with an ejection blanking structure, and relates to the technical field of injection molds, the injection mold comprises a base and a blanking assembly, the upper surface of the base is provided with a supporting cavity, the upper surface of the supporting cavity is provided with a fixing plate, the upper surface of the fixing plate is provided with a lower mold, and the lower surface of the lower mold is connected with an electric telescopic rod; and the discharging assembly is arranged in the supporting cavity and comprises an air conditioner, a cold air pipe, an ejection column, an ejection plate, an ejection auxiliary column, a supporting plate, an electric push rod and a material pushing strip, and the air conditioner is arranged in the supporting cavity. According to the injection mold with the ejecting and discharging structure, formed materials can be ejected out through the discharging assembly, rapid demolding and direct feeding and discharging are achieved, the overall production efficiency is improved, raw materials are continuously heated and stirred through the feeding assembly in the material injection process, the raw materials are prevented from being solidified or agglomerated, and the production efficiency is improved. And the internal structure is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold with an ejection and unloading structure. Background Art

[0002] Injection molds are tools used in the production of plastic products. They heat the plastic material to a molten state, inject it into the mold through an injection molding machine, and mold it into the desired shape and size after cooling. The application range of injection molds is very wide, covering almost all plastic products, including plastic products in the fields of automobiles, home appliances, electronic communications, daily necessities, etc. The advantage of injection molds is that they can easily and quickly mass-produce plastic parts with precise dimensions. However, current injection molds still have the following shortcomings:

[0003] For example, the patent document with application number 202321461089.2 discloses an injection mold with a secondary injection molding function. The injection mold with the secondary injection molding function uses a method of integrally injecting multiple terminals into a short strip to solve the problem of inconvenient handling caused by the small size of a single terminal; the short terminal strip is used for two injection molding processes to solve the problem of unreasonable injection mold structure caused by the small size of the terminal, and is adapted to the injection mold structure, saving mold costs, but it is not easy to eject the material after it is formed, making it inconvenient to demold and unload, resulting in low production efficiency.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and an injection mold with an ejection and blanking structure is proposed. Utility Model Content

[0005] The utility model aims to provide an injection mold with an ejection and unloading structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold with an ejection and unloading structure, comprising a base and a unloading assembly, a supporting cavity is installed on the upper surface of the base, and a fixed plate is installed on the upper surface of the supporting cavity, a lower mold is arranged on the upper surface of the fixed plate, and an electric telescopic rod is connected to the lower surface of the lower mold, the unloading assembly is arranged inside the supporting cavity, and the unloading assembly comprises an air cooler, an air cooler pipe, an ejector column, an ejector plate, an ejector auxiliary column, a support plate, an electric push rod and a ejector strip, the air cooler is arranged inside the supporting cavity, and an air cooler outlet is connected to the air cooler pipe, an ejector column is slidably connected to the inner side of the lower mold, and an ejector plate is installed on the upper surface of the ejector column, and the ejector plate is slidably connected to the inner side of the upper end of the lower mold, and an ejector auxiliary column is installed on the upper surface of the fixed plate.

[0007] Furthermore, a support plate is installed on the rear side of the upper surface of the base, and an electric push rod is arranged on the rear surface of the upper end of the support plate, and a push bar is installed on the front side of the electric push rod.

[0008] Furthermore, support seats are installed on both sides of the support cavity, and a heat dissipation port is arranged on the rear side of the support cavity, and a top support seat is arranged on the upper surface of the support seat.

[0009] Furthermore, an upper mold is installed at the bottom of the top support seat, and a feeding assembly for feeding is arranged on the upper surface of the top support seat.

[0010] Furthermore, the feed assembly includes a transition tank, an insulation interlayer, a water injection port, an inlet and a feed pipe, and the transition tank is arranged on the upper surface of the top support seat, the inner surface of the transition tank is provided with an insulation interlayer, and the upper surface of the insulation interlayer is provided with a water injection port, the upper surface of the transition tank is provided with an inlet, and the feed pipe is installed on the lower surface of the transition tank.

[0011] Furthermore, the feeding assembly also includes a servo motor, a connecting shaft, a stirring rod and a material transfer auger, and a servo motor is installed on the upper surface of the transition tank, the output end of the servo motor is connected to the connecting shaft through a coupling, and a stirring rod is installed on the outer side of the connecting shaft surface, and a material transfer auger is arranged at the bottom of the connecting shaft.

[0012] Furthermore, an injection port is provided on the upper surface of the top support seat, and an injection channel is provided at the bottom of the injection port, and the bottom of the injection channel is connected to the lower surface of the upper mold.

[0013] Furthermore, a limiting rod is installed on the upper surface of the fixing plate, and the outer surface of the limiting rod is slidably connected to the surface of the lower mold, and the upper end of the cold air pipe passes through the two side surfaces of the support cavity and the inner side of the upper end of the support seat and extends to the inner side of the support seat.

[0014] The utility model provides an injection mold with an ejection and unloading structure, which has the following beneficial effects:

[0015] 1. The utility model is provided with a material discharge component, which includes an air conditioner, an air conditioner pipe, an ejector column, an ejector plate, an ejector auxiliary column, a support plate, an electric push rod and a push bar. When in use, the air conditioner is started to blow cold air to both sides of the mold through the air conditioner pipe, and the lower mold moves downward, so that the ejector auxiliary column pushes the ejector column upward, thereby driving the ejector plate to move upward to lift the molded material, and the electric push rod is started to move the electric push rod and the push bar forward to push the lifted material forward for discharge, so that the device can eject the molded material, quickly demold it and directly feed the material, thereby improving the overall production efficiency.

[0016] 2. The utility model sets a feeding assembly, which includes a transition material tank, a thermal insulation interlayer, a water injection port, a feed inlet and a feeding pipe. The feeding assembly also includes a servo motor, a connecting shaft, a stirring rod and a material transfer auger. When in use, hot water is injected into the thermal insulation interlayer through the water injection port, and molten raw materials are injected into the transition material tank through the feed inlet. At the same time, the servo motor is started, so that the servo motor drives the stirring rod and the material transfer auger to rotate through the connecting shaft, and the raw materials are continuously stirred by the stirring rod. At the same time, the raw materials are squeezed into the injection port through the material transfer auger, so that the device can continuously heat and stir the raw materials during the injection process to prevent the raw materials from solidifying or agglomerating and avoid clogging the internal structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of a blanking component of an injection mold with an ejection and blanking structure according to the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of an injection mold with an ejection and unloading structure of the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of a feeding component of an injection mold with an ejection and unloading structure according to the utility model;

[0020] Figure 4 The utility model is a rear view stereoscopic structural schematic diagram of an injection mold with an ejection and unloading structure.

[0021] In the figure: 1. base; 2. support cavity; 3. fixing plate; 4. lower mold; 5. unloading assembly; 501. air conditioner; 502. air conditioning pipe; 503. ejector column; 504. ejector plate; 505. ejector auxiliary column; 506. support plate; 507. electric push rod; 508. push bar; 6. support stand; 7. top support seat; 8. upper mold; 9. feeding assembly; 901. transition material tank; 902. thermal insulation interlayer; 903. water injection port; 904. feeding port; 905. feeding pipe; 906. servo motor; 907. connecting shaft; 908. stirring rod; 909. material conveying auger; 10. injection port; 11. injection channel; 12. limit rod. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] like Figures 1 to 4As shown, an injection mold with an ejection and blanking structure includes a base 1 and a blanking assembly 5, a support cavity 2 is installed on the upper surface of the base 1, and a fixed plate 3 is installed on the upper surface of the support cavity 2, a lower mold 4 is arranged on the upper surface of the fixed plate 3, and the lower surface of the lower mold 4 is connected with an electric telescopic rod, the blanking assembly 5 is arranged inside the support cavity 2, and the blanking assembly 5 includes an air cooler 501, a cold air pipe 502, an ejector column 503, an ejector plate 504, an ejection auxiliary column 505, a support plate 506, an electric push rod 507 and a push strip 508, the air cooler 501 is arranged inside the support cavity 2, and the air outlet of the air cooler 501 is connected with the cold air pipe 502, the ejector column 503 is slidably connected to the inner side of the lower mold 4, and the ejector plate 504 is installed on the upper surface of the ejector column 503, and the ejector plate 504 is slidably connected to the inner side of the upper end of the lower mold 4, and the upper surface of the fixed plate 3 is installed with an ejection auxiliary column 505.

[0024] The specific operation is as follows. When in use, start the air conditioner 501, so that the air conditioner 501 blows cold air to both sides of the mold through the cold air pipe 502, so as to increase the cooling and molding speed and facilitate discharge. The lower mold 4 moves downward, so that the ejection auxiliary column 505 pushes the ejection column 503 upward, thereby driving the ejection plate 504 to move upward to lift the molded material. Start the electric push rod 507, so that the electric push rod 507 and the pushing bar 508 move forward to push the lifted material forward for discharge.

[0025] Please refer to Figure 2 and Figure 4 A support plate 506 is installed on the rear side of the upper surface of the base 1, and an electric push rod 507 is arranged on the rear surface of the upper end of the support plate 506, and a push strip 508 is installed on the front side of the electric push rod 507. Support seats 6 are installed on both sides of the support cavity 2, and a heat dissipation port is arranged on the rear side of the support cavity 2. A top support seat 7 is arranged on the upper surface of the support seat 6, and an upper mold 8 is installed at the bottom of the top support seat 7. An injection port 10 is opened on the upper surface of the top support seat 7, and an injection channel 11 is arranged at the bottom of the injection port 10. The bottom of the injection channel 11 is connected to the lower surface of the upper mold 8. A limiting rod 12 is installed on the upper surface of the fixing plate 3, and the outer surface of the limiting rod 12 is slidably connected to the surface of the lower mold 4. The upper end of the cold air pipe 502 passes through the two side surfaces of the support cavity 2 and the inner side of the upper end of the support seat 6 and extends to the inner side of the support seat 6;

[0026] The specific operation is as follows: when in use, the lower mold 4 is lifted up along the surface of the limit rod 12 by the electric telescopic rod, and is closed with the upper mold 8. The molten raw material enters the injection channel 11 through the injection port 10, and then enters the mold grooves in the upper mold 8 and the lower mold 4. After the material is formed, the lower mold 4 moves downward and resets to be ejected and demolded.

[0027] Please refer to Figure 3The upper mold 8 is installed at the bottom of the top support seat 7, and a feeding assembly 9 for feeding is arranged on the upper surface of the top support seat 7. The feeding assembly 9 includes a transition tank 901, a heat-insulating interlayer 902, a water injection port 903, a feed port 904 and a feed pipe 905. The transition tank 901 is arranged on the upper surface of the top support seat 7, and the inner surface of the transition tank 901 is provided with a heat-insulating interlayer 902, and the upper surface of the upper end of the heat-insulating interlayer 902 is provided with a water injection port 903. The transition tank 901 A feed inlet 904 is provided on the upper surface, and a feed pipe 905 is installed on the lower surface of the transition tank 901. The feed assembly 9 also includes a servo motor 906, a linkage shaft 907, a stirring rod 908 and a material conveying auger 909. A servo motor 906 is installed on the upper surface of the transition tank 901, and the output end of the servo motor 906 is connected to the linkage shaft 907 through a coupling, and a stirring rod 908 is installed on the outer side of the surface of the linkage shaft 907, and a material conveying auger 909 is provided at the bottom of the linkage shaft 907;

[0028] The specific operation is as follows. When in use, hot water is injected into the thermal insulation interlayer 902 through the water injection port 903, and at the same time, molten raw materials are injected into the transition material tank 901 through the feed port 904, so that the internal raw materials can be fully heated and not easily solidified. At the same time, the servo motor 906 is started, and the servo motor 906 drives the stirring rod 908 and the material transfer auger 909 to rotate through the connecting shaft 907. The raw materials are continuously stirred by the stirring rod 908 to prevent the raw materials from agglomerating inside, and at the same time, the raw materials are squeezed out to the injection port 10 through the material transfer auger 909.

[0029] In summary, if Figures 1 to 4 As shown, the injection mold with the ejection and unloading structure, when in use, firstly, the lower mold 4 is lifted up along the surface of the limit rod 12 by the electric telescopic rod, and is molded with the upper mold 8, then hot water is injected into the heat-insulating interlayer 902 through the water injection port 903, and at the same time, the molten raw material is injected into the transition material tank 901 through the feed port 904, so that the internal raw material can be fully heated and it is not easy to solidify, and at the same time, the servo motor 906 is started, so that the servo motor 906 drives the stirring rod 908 and the material conveying auger 909 to rotate through the linkage shaft 907, and the raw material is continuously stirred by the stirring rod 908 to prevent the raw material from agglomerating inside. The material transfer auger 909 extrude the raw material to the injection port 10, and the molten raw material enters the injection channel 11 through the injection port 10, and then enters the mold grooves in the upper mold 8 and the lower mold 4. The air cooler 501 is started to blow cold air to both sides of the mold through the cold air pipe 502 to increase the cooling and molding speed and facilitate discharge. The lower mold 4 moves downward, so that the ejection auxiliary column 505 pushes the ejection column 503 upward, and then drives the ejection plate 504 to move upward to push up the molded material, and the electric push rod 507 is started to move the electric push rod 507 and the push rod 508 forward to push the lifted material forward for discharge.

[0030] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An injection mold with an ejection and blanking structure, comprising a base (1) and a blanking assembly (5), characterized in that: The upper surface of the base (1) is provided with a support cavity (2), and the upper surface of the support cavity (2) is provided with a fixing plate (3), the upper surface of the fixing plate (3) is provided with a lower mold (4), and the lower surface of the lower mold (4) is connected with an electric telescopic rod, the unloading assembly (5) is provided inside the support cavity (2), and the unloading assembly (5) comprises an air cooler (501), an air cooler pipe (502), an ejection column (503), an ejection plate (504), an ejection auxiliary column (505), a support plate (506), and a support plate (507). 6), an electric push rod (507) and a push rod (508), the air cooler (501) is arranged inside the support cavity (2), and the air outlet of the air cooler (501) is connected to a cold air pipe (502), the inner side of the lower mold (4) is slidably connected to an ejector column (503), and the upper surface of the ejector column (503) is equipped with an ejector plate (504), and the ejector plate (504) is slidably connected to the inner side of the upper end of the lower mold (4), and the upper surface of the fixed plate (3) is equipped with an ejector auxiliary column (505).

2. The injection mold with ejection and unloading structure according to claim 1, characterized in that: A support plate (506) is installed on the rear side of the upper surface of the base (1), and an electric push rod (507) is arranged on the rear surface of the upper end of the support plate (506), and a material pushing bar (508) is installed on the front side of the electric push rod (507).

3. The injection mold with ejection and unloading structure according to claim 1, characterized in that: Support seats (6) are installed on both sides of the support cavity (2), and a heat dissipation port is arranged on the rear side of the support cavity (2), and a top support seat (7) is arranged on the upper surface of the support seat (6).

4. The injection mold with ejection and unloading structure according to claim 3, characterized in that: An upper mold (8) is installed at the bottom of the top support seat (7), and a feeding assembly (9) for feeding is arranged on the upper surface of the top support seat (7).

5. The injection mold with ejection and unloading structure according to claim 4, characterized in that: The feed assembly (9) comprises a transition tank (901), a heat-insulating interlayer (902), a water injection port (903), a feed inlet (904) and a feed pipe (905), wherein the transition tank (901) is arranged on the upper surface of the top support seat (7), the inner surface of the transition tank (901) is provided with a heat-insulating interlayer (902), and the upper surface of the upper end of the heat-insulating interlayer (902) is provided with a water injection port (903), the upper surface of the transition tank (901) is provided with a feed inlet (904), and the lower surface of the transition tank (901) is provided with a feed pipe (905).

6. The injection mold with ejection and unloading structure according to claim 5, characterized in that: The feeding assembly (9) further comprises a servo motor (906), a connecting shaft (907), a stirring rod (908) and a material conveying auger (909), and the servo motor (906) is mounted on the upper surface of the transition material tank (901), the output end of the servo motor (906) is connected to the connecting shaft (907) via a coupling, and the stirring rod (908) is mounted on the outer side of the surface of the connecting shaft (907), and the material conveying auger (909) is arranged at the bottom of the connecting shaft (907).

7. The injection mold with ejection and unloading structure according to claim 3, characterized in that: An injection port (10) is provided on the upper surface of the top support seat (7), and an injection channel (11) is provided at the bottom of the injection port (10), and the bottom of the injection channel (11) is connected to the lower surface of the upper mold (8).

8. The injection mold with ejection and unloading structure according to claim 1, characterized in that: A limiting rod (12) is installed on the upper surface of the fixing plate (3), and the outer surface of the limiting rod (12) is slidably connected to the surface of the lower mold (4), and the upper end of the cold air pipe (502) passes through the two side surfaces of the support cavity (2) and the inner side of the upper end of the support seat (6) and extends to the inner side of the support seat (6).

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