Injection molding device with guide structure for plastic part processing

Abstract

The utility model discloses an injection molding device with a guide structure for processing plastic parts, which comprises a base, a lower mold is mounted at the top end of the base, an upper mold is arranged at the top end of the lower mold, and a feed port is fixedly connected to the left side of the top end of the upper mold. According to the plastic part machining injection molding device with the guide structure, the limiting sleeve, the guide rod, the guide groove, the threaded rod and the servo motor are arranged, the servo motor is started and drives the threaded rod to rotate, a connecting sleeve outside the threaded rod drives a fixing plate to move up and down, and therefore an upper mold can drive the guide rod to ascend and descend; and when the guide rod ascends and descends, the guide groove can guide and limit the guide rod, so that the ascending and descending stability of the upper mold can be improved, the upper mold is prevented from being misplaced with the lower mold during ascending and descending, the quality of a plastic part is prevented from being influenced, and the problems that the upper mold cannot be effectively limited and guided, and misplacement of the upper mold and the lower mold is easily caused are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic parts processing, in particular to an injection molding device with a guide structure for plastic parts processing. Background Art

[0002] An injection mold is a tool for producing plastic products. The injection mold process is to inject the heated and molten material into the mold cavity by high pressure, and obtain a molded product after cooling and solidification. When producing plastic parts, an injection molding device is needed to process the plastic parts. There are many components in the injection mold, and users can choose the appropriate injection mold according to their own needs.

[0003] There are still some problems with the common injection molding devices for processing plastic parts. For example, when using the injection molding devices for processing plastic parts, the upper mold and the lower mold need to be aligned, but some injection molding molds cannot effectively limit and guide the upper mold during use, which can easily cause the upper mold and the lower mold to be misaligned, thereby affecting the quality of the plastic parts.

[0004] Therefore, we propose an injection molding device for plastic parts processing with a guide structure to improve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide an injection molding device for processing plastic parts with a guiding structure, so as to solve the problem in the above background technology that the upper mold cannot be effectively limited and guided, which easily leads to the misalignment of the upper mold and the lower mold.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection molding device for processing plastic parts with a guide structure, comprising a base, a lower mold is installed on the top of the base, an upper mold is arranged on the top of the lower mold, a feed port is fixedly connected to the left side of the top of the upper mold, a connecting plate is arranged at the bottom of the lower mold, and guide structures for guiding the upper mold are arranged on both sides of the lower mold;

[0007] The guiding structure includes a limiting sleeve, a guiding rod and a guiding groove. A protective shell is installed on the right side of the top of the base, a servo motor is installed on the top of the protective shell, a threaded rod is fixedly connected to the output end of the servo motor, a connecting sleeve is arranged on the outside of the threaded rod, a fixing plate is fixedly connected to the left side of the connecting sleeve, a connecting block is fixedly connected between the fixing plate and the upper mold, guide rods are fixedly connected to the edges on both sides of the bottom end of the upper mold, and limiting sleeves are fixedly connected to the tops of both sides of the lower mold, and guide grooves are provided inside the limiting sleeves.

[0008] Preferably, the connecting sleeve and the threaded rod cooperate with each other, an injection cavity is processed at the top end inside the lower mold, and the threaded rod is movably connected to the inside of the protective shell.

[0009] Preferably, the guide rod is embedded in the guide groove, and the guide rod and the guide groove cooperate with each other.

[0010] Preferably, connecting rods are fixedly connected to both sides of the bottom end of the upper mold, the bottom end of the connecting rods is fixedly connected to a push plate, a spring is fixedly connected between the connecting plate and the bottom end inside the lower mold, a damper is provided inside the spring, the top end of the connecting plate is fixedly connected to a top block, the top end of the top block is fixedly connected to a top plate, and a sealing gasket is provided outside the top plate.

[0011] Preferably, three groups of top plates are provided, and the top plates are embedded in the bottom end of the injection cavity.

[0012] Preferably, the connecting rods are arranged on both sides inside the lower mold, and the push plates are against both sides of the top end of the connecting plate.

[0013] Preferably, connecting frames are provided on both sides of the connecting plate, a mounting plate is fixedly connected to the bottom end of the connecting frame, a fan is installed on the top end of the mounting plate, and a cooler is provided on the top end of the connecting frame.

[0014] Preferably, two groups of the connecting frames are provided, and the connecting frames are symmetrically distributed about the vertical center line of the connecting plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the plastic part processing injection molding device with a guide structure not only facilitates the upper mold guide limit and ejection of the plastic part, but also improves the cooling efficiency;

[0016] By setting a limit sleeve, a guide rod, a guide groove, a threaded rod and a servo motor, the servo motor is started, and the servo motor drives the threaded rod to rotate, so that the connecting sleeve outside the threaded rod drives the fixed plate to move up and down, so that the upper mold can drive the guide rod to rise and fall. When the guide rod rises and falls, the guide groove guides and limits the guide rod, thereby improving the stability of the upper mold lifting and lowering, preventing the upper mold from being misaligned with the lower mold during lifting and lowering, and affecting the quality of the plastic parts;

[0017] By providing a push plate, a connecting rod, a damper, a top plate and a sealing pad, when the upper mold descends, the connecting rod drives the push plate to squeeze the connecting plate, and when the upper mold rises, the spring drives the top plate to rise by its own elasticity, so that the plastic parts in the injection cavity can be ejected. The damper inside the spring can improve the stability of the spring and the connecting plate, so that the ejection of the plastic parts can be convenient for discharging, and the processing efficiency can be improved.

[0018] By providing a connecting frame, a mounting plate, a fan and a cooler, and starting the fan and the cooler, the fan quickly blows the cold air emitted by the cooler to the inside of the lower mold, so that the cold air can be evenly distributed around the outside of the injection cavity, so that the plastic parts in the injection cavity can be quickly molded. Rapid molding of plastic parts can improve processing efficiency. Providing two sets of fans can further improve molding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the connecting plate of the utility model from top view;

[0021] Figure 3 It is a schematic diagram of an enlarged front cross-sectional structure of the damper of the utility model;

[0022] Figure 4 For the utility model Figure 1 Schematic diagram of the enlarged cross-section structure at point A in the middle.

[0023] In the figure: 1. base; 2. lower mold; 3. spring; 4. push plate; 5. connecting rod; 6. limiting sleeve; 7. upper mold; 8. feed port; 9. connecting block; 10. fixing plate; 11. protective shell; 12. threaded rod; 13. servo motor; 14. connecting sleeve; 15. guide rod; 16. guide groove; 17. connecting plate; 18. damper; 19. connecting frame; 20. top block; 21. mounting plate; 22. fan; 23. cooler; 24. top plate; 25. sealing gasket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 , an injection molding device for processing plastic parts with a guide structure, comprising a base 1, a lower mold 2 is installed on the top of the base 1, an upper mold 7 is arranged on the top of the lower mold 2, a feed port 8 is fixedly connected to the left side of the top of the upper mold 7, a connecting plate 17 is arranged at the bottom end of the lower mold 2, and guide structures for guiding the upper mold 7 are arranged on both sides of the lower mold 2;

[0026] The guide structure includes a limiting sleeve 6, a guide rod 15 and a guide groove 16. A protective shell 11 is installed on the right side of the top of the base 1, and a servo motor 13 is installed on the top of the protective shell 11. The output end of the servo motor 13 is fixedly connected to a threaded rod 12, and a connecting sleeve 14 is arranged on the outside of the threaded rod 12. A fixed plate 10 is fixedly connected to the left side of the connecting sleeve 14. A connecting block 9 is fixedly connected between the fixed plate 10 and the upper mold 7. The edges of both sides of the bottom of the upper mold 7 are fixedly connected with guide rods 15. The tops of both sides of the lower mold 2 are fixedly connected to the limiting sleeve 6, and the inside of the limiting sleeve 6 is provided with a guide groove 16;

[0027] The connecting sleeve 14 and the threaded rod 12 cooperate with each other, the top of the lower mold 2 is processed with an injection cavity, the threaded rod 12 is movably connected to the inside of the protective shell 11, the guide rod 15 is embedded in the inside of the guide groove 16, and the guide rod 15 and the guide groove 16 cooperate with each other;

[0028] Specifically, Figure 1 and Figure 4 As shown, the servo motor 13 is started, and the servo motor 13 drives the threaded rod 12 to rotate, so that the connecting sleeve 14 outside the threaded rod 12 drives the fixed plate 10 to move up and down, so that the upper mold 7 can drive the guide rod 15 to move up and down. When the guide rod 15 is lifted or lowered, the guide groove 16 will guide and limit the guide rod 15, thereby improving the lifting stability of the upper mold 7 and preventing the upper mold 7 from being misaligned with the lower mold 2 during lifting and lowering, thereby affecting the quality of the plastic parts.

[0029] Embodiment 2: Both sides of the bottom end of the upper mold 7 are fixedly connected with connecting rods 5, the bottom end of the connecting rods 5 is fixedly connected with a push plate 4, a spring 3 is fixedly connected between the connecting plate 17 and the bottom end inside the lower mold 2, a damper 18 is arranged inside the spring 3, a top block 20 is fixedly connected to the top end of the connecting plate 17, a top plate 24 is fixedly connected to the top end of the top block 20, a sealing gasket 25 is arranged outside the top plate 24, three groups of top plates 24 are arranged, the top plates 24 are embedded in the bottom end inside the injection cavity, the connecting rods 5 are arranged on both sides inside the lower mold 2, and the push plates 4 are against both sides of the top end of the connecting plate 17;

[0030] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, when the upper mold 7 descends, the connecting rod 5 will drive the push plate 4 to squeeze the connecting plate 17. When the upper mold 7 rises, the spring 3 will use its own elasticity to make the upper mold 7 drive the top plate 24 to rise, thereby ejecting the plastic parts in the injection cavity. The damper 18 inside the spring 3 can improve the stability of the spring 3 and the connecting plate 17, so that the ejection of the plastic parts can be convenient for material discharge, which can improve the processing efficiency.

[0031] Embodiment 3: Connecting frames 19 are arranged on both sides of the connecting plate 17, a mounting plate 21 is fixedly connected to the bottom of the connecting frame 19, a fan 22 is installed on the top of the mounting plate 21, a cooler 23 is arranged on the top of the connecting frame 19, two groups of connecting frames 19 are arranged, and the connecting frames 19 are symmetrically distributed about the vertical center line of the connecting plate 17;

[0032] Specifically, Figure 1 As shown, the fan 22 quickly blows the cold air emitted by the cooler 23 to the interior of the lower mold 2, so that the cold air can be evenly distributed around the outside of the injection cavity, so that the plastic parts in the injection cavity can be quickly molded. Rapid molding of plastic parts can improve processing efficiency. Setting two sets of fans 22 can further improve molding efficiency.

[0033] Working principle: When the utility model is in use, the servo motor 13 is started, and the servo motor 13 drives the threaded rod 12 to rotate, so that the connecting sleeve 14 outside the threaded rod 12 drives the fixed plate 10 to descend, so that the upper mold 7 drives the guide rod 15 to descend. When the guide rod 15 descends, the guide groove 16 guides and limits the guide rod 15, thereby improving the stability of the upper mold 7 when it is lifted and lowered, and preventing the upper mold 7 from being misaligned with the lower mold 2 when it is lifted and lowered, which affects the quality of the plastic parts. When the upper mold 7 descends, the connecting rod 5 drives the push plate 4 to squeeze the connecting plate 17, and the fan 22 cools the cooler 2 The cold air emitted by the spring 3 is quickly blown to the inside of the lower mold 2, so that the cold air can be evenly distributed around the outside of the injection cavity, so that the plastic parts in the injection cavity can be quickly molded. The rapid molding of the plastic parts can improve the processing efficiency. The two sets of fans 22 can further improve the molding efficiency. When the upper mold 7 rises, the spring 3 can drive the top plate 24 to rise by its own elasticity, so that the plastic parts in the injection cavity can be ejected. The damper 18 inside the spring 3 can improve the stability of the spring 3 and the connecting plate 17, so that the ejection of the plastic parts can be convenient for material discharge, which can improve the processing efficiency.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An injection molding device for processing plastic parts with a guide structure, comprising a base (1), characterized in that: A lower mold (2) is installed at the top of the base (1), an upper mold (7) is arranged at the top of the lower mold (2), a feed port (8) is fixedly connected to the left side of the top of the upper mold (7), a connecting plate (17) is arranged at the bottom of the lower mold (2), and guide structures for guiding the upper mold (7) are arranged on both sides of the lower mold (2); The guide structure comprises a limiting sleeve (6), a guide rod (15) and a guide groove (16); a protective shell (11) is installed on the right side of the top of the base (1); a servo motor (13) is installed on the top of the protective shell (11); a threaded rod (12) is fixedly connected to the output end of the servo motor (13); a connecting sleeve (14) is arranged outside the threaded rod (12); a fixing plate (10) is fixedly connected to the left side of the connecting sleeve (14); a connecting block (9) is fixedly connected between the fixing plate (10) and the upper mold (7); guide rods (15) are fixedly connected to the edges of both sides of the bottom of the upper mold (7); the limiting sleeves (6) are fixedly connected to the tops of both sides of the lower mold (2); and the limiting sleeves (6) are provided with guide grooves (16) inside.

2. The injection molding device for processing plastic parts with a guide structure according to claim 1, characterized in that: The connecting sleeve (14) and the threaded rod (12) cooperate with each other, an injection cavity is formed at the top end of the interior of the lower mold (2), and the threaded rod (12) is movably connected to the interior of the protective shell (11).

3. The injection molding device for processing plastic parts with a guide structure according to claim 1, characterized in that: The guide rod (15) is embedded in the guide groove (16), and the guide rod (15) and the guide groove (16) cooperate with each other.

4. The injection molding device for processing plastic parts with a guide structure according to claim 1, characterized in that: Connecting rods (5) are fixedly connected to both sides of the bottom end of the upper mold (7), and the bottom end of the connecting rods (5) is fixedly connected to a push plate (4). A spring (3) is fixedly connected between the connecting plate (17) and the bottom end inside the lower mold (2), and a damper (18) is arranged inside the spring (3). The top end of the connecting plate (17) is fixedly connected to a top block (20), and the top end of the top block (20) is fixedly connected to a top plate (24), and a sealing gasket (25) is arranged outside the top plate (24).

5. The injection molding device for processing plastic parts with a guide structure according to claim 4, characterized in that: Three groups of top plates (24) are provided, and the top plates (24) are embedded in the bottom end of the injection cavity.

6. The injection molding device for processing plastic parts with a guide structure according to claim 4, characterized in that: The connecting rods (5) are arranged on both sides of the interior of the lower mold (2), and the push plates (4) are against both sides of the top end of the connecting plate (17).

7. The injection molding device for processing plastic parts with a guide structure according to claim 1, characterized in that: Connecting frames (19) are arranged on both sides of the connecting plate (17), a mounting plate (21) is fixedly connected to the bottom end of the connecting frame (19), a fan (22) is installed on the top end of the mounting plate (21), and a cooler (23) is arranged on the top end of the connecting frame (19).

8. The injection molding device for processing plastic parts with a guide structure according to claim 7, characterized in that: Two groups of the connecting frames (19) are provided, and the connecting frames (19) are symmetrically distributed about the vertical center line of the connecting plate (17).

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