Precise injection molding mold for combined plastic wardrobe

Abstract

The utility model belongs to the technical field of molds, and particularly relates to a precise injection molding mold for a combined plastic wardrobe. The plastic wardrobe mold comprises a plastic wardrobe upper mold and a plastic wardrobe lower mold, and an injection molding piece is arranged above the plastic wardrobe upper mold. In the injection molding process, the plastic wardrobe upper mold and the plastic wardrobe lower mold are close to each other, so that the wardrobe forming convex part is close to the wardrobe forming concave part, the wardrobe side part forming concave cavity is close to the wardrobe side part forming convex frame, and the wardrobe side part forming concave cavity and the wardrobe side part forming convex frame are matched with each other to form a complete cavity; the buckle groove structures at the side part and the end part of the plastic part can be subjected to synchronous injection molding through the buckle groove synchronous molding assembly, and secondary buckle groove molding processing does not need to be performed on the plastic part, so that the labor intensity of workers is greatly reduced, the working procedures are shortened, and the subsequent yield of the plastic part is improved; and the molded plastic part can be ejected and demolded at one time through the outer side straight ejection part, so that the demolding efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a precision injection molding mold for a combined plastic wardrobe. Background Art

[0002] At present, with the prevalence of renting houses, more and more houses are beginning to use modular plastic wardrobes to store clothes. On the one hand, plastic wardrobes are low in price and have a small economic burden on consumers. On the other hand, they are convenient and easy to assemble and carry. The existing plastic wardrobe back panels are generally injection molded using injection molds. During injection molding, it is difficult to synchronously mold the buckle grooves of the wardrobe back panels. Manual secondary processing is required, which has many processes and high labor intensity, affecting the subsequent yield rate of plastic parts. Therefore, it is urgent to design a modular plastic wardrobe precision injection molding mold that can overcome the above defects.

[0003] In order to overcome the shortcomings of the prior art, people have proposed various solutions through continuous exploration. For example, a Chinese patent discloses a long slider side core pulling structure for a shared wardrobe injection mold [application number: 202021934601.7], which includes an upper mold and a lower mold, and the lower mold is provided with a plurality of side drive fixing plates symmetrical along the center line of the lower mold, and the lower mold is provided with a plurality of core pulling grooves symmetrical along the center line of the lower mold, and the lower mold is provided with a plurality of side long slider core pulling assemblies that can reciprocate linearly along one end close to or away from the core pulling groove, and the side drive fixing plate is provided with a side drive member, and the side drive member is connected to the side long slider core pulling assembly, and the lower mold is also provided with a plurality of core pulling anti-deviation abutments symmetrical along the center line of the lower mold. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a precision injection molding mold for a combined plastic wardrobe.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A combined plastic wardrobe precision injection molding mold comprises a plastic wardrobe upper mold and a plastic wardrobe lower mold, wherein an injection molding part is arranged above the plastic wardrobe upper mold, a wardrobe molding convex portion and a wardrobe side molding concave cavity are arranged at the bottom of the plastic wardrobe upper mold, a buckle groove synchronous molding component is arranged between the wardrobe molding convex portion and the wardrobe side molding concave cavity, a wardrobe molding concave portion and a wardrobe side molding convex frame are arranged in the plastic wardrobe lower mold, the wardrobe molding convex portion corresponds to the wardrobe molding concave portion in position and has a matching shape, the wardrobe side molding concave cavity corresponds to the wardrobe side molding convex frame in position and has a matching shape, and an outer straight top piece is arranged below the plastic wardrobe lower mold.

[0007] In the above-mentioned combined plastic wardrobe precision injection molding mold, the buckle groove synchronous molding component includes a plurality of side buckle groove molding protrusions and end buckle groove molding protrusions arranged between the wardrobe molding protrusion and the wardrobe side molding cavity, and the side buckle groove molding protrusions and end buckle groove molding protrusions are respectively integrally molded with the wardrobe molding protrusion.

[0008] In the above-mentioned precision injection molding mold for the combined plastic wardrobe, the side buckle groove molding protrusion and the end buckle groove molding protrusion are L-shaped.

[0009] In the above-mentioned precision injection molding mold for the combined plastic wardrobe, the widths of the side buckle groove molding protrusions and the end buckle groove molding protrusions gradually decrease from close to the side away from the upper mold of the plastic wardrobe.

[0010] In the above-mentioned combined plastic wardrobe precision injection molding mold, the wardrobe molding convex part includes a wardrobe molding convex plate arranged at the bottom of the plastic wardrobe upper mold, the side buckle groove molding convex and the end buckle groove molding convex are respectively integrally formed with the wardrobe molding convex plate, and the wardrobe molding concave part includes a wardrobe molding cavity arranged in the plastic wardrobe lower mold, and the wardrobe molding convex plate corresponds to the wardrobe molding cavity in position and matches in shape.

[0011] In the above-mentioned combined plastic wardrobe precision injection molding mold, an upper diamond-shaped portion is provided at the bottom of the wardrobe molding convex plate, and a lower diamond-shaped portion is provided in the wardrobe molding cavity, and the upper diamond-shaped portion is arranged opposite to the lower diamond-shaped portion.

[0012] In the above-mentioned precision injection molding mold for the combined plastic wardrobe, the injection molded part includes an injection molded main board and an injection molded diverter plate arranged above the upper mold of the plastic wardrobe.

[0013] In the above-mentioned precision injection molding mold for the combined plastic wardrobe, the outer straight ejector member includes a plurality of straight ejector rods arranged below the lower mold of the plastic wardrobe, and the plurality of straight ejector rods are parallel to each other.

[0014] In the above-mentioned combined plastic wardrobe precision injection molding mold, a plurality of upper mold straight-through cooling pipes are arranged in the upper mold of the plastic wardrobe, and the plurality of upper mold straight-through cooling pipes pass through the upper mold of the plastic wardrobe and are arranged horizontally.

[0015] In the above-mentioned combined plastic wardrobe precision injection molding mold, a plurality of lower mold direct cooling pipes are arranged in the lower mold of the plastic wardrobe, and the plurality of lower mold direct cooling pipes pass through the lower mold of the plastic wardrobe and are arranged horizontally.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. During the injection molding process, the utility model brings the upper mold of the plastic wardrobe and the lower mold of the plastic wardrobe close to each other, so that the wardrobe molding convex part is close to the wardrobe molding concave part, the wardrobe side molding concave cavity is close to the wardrobe side molding convex frame, and they cooperate with each other to form a complete cavity. The molten material is injected into the cavity through the injection molded part, and the buckle groove structure at the side and end positions of the plastic part can be injection molded synchronously through the buckle groove synchronous molding component. There is no need to perform secondary buckle groove molding processing on the plastic part, which greatly reduces the labor intensity, shortens the process, and improves the subsequent yield rate of the plastic part. After the injection molding is completed, the mold is opened, and the molded plastic part can be ejected and demolded at one time through the outer straight ejector, and the demolding efficiency is high.

[0018] 2. The width of the side buckle groove forming protrusion and the end buckle groove forming protrusion in the utility model gradually decreases from close to the side away from the upper mold of the plastic wardrobe, which is convenient for subsequent mold opening and demolding without getting stuck.

[0019] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0021] Figure 2 It is a partial structural schematic diagram of the utility model.

[0022] Figure 3 It is a structural schematic diagram of the outer straight top piece.

[0023] Figure 4 It is a partial structural schematic diagram of the utility model in another direction.

[0024] In the figure: plastic wardrobe upper mold 1, plastic wardrobe lower mold 2, injection molded part 3, wardrobe molding convex part 4, wardrobe side molding concave cavity 5, buckle groove synchronous molding component 6, wardrobe molding concave part 7, wardrobe side molding convex frame 8, outer straight top piece 9, side buckle groove molding convexity 10, end buckle groove molding convexity 11, wardrobe molding convex plate 12, wardrobe molding concave cavity 13, upper diamond pattern part 14, lower diamond pattern part 15, injection molding main board 16, injection molding diverter plate 17, straight ejector rod 18, upper mold straight cooling pipe 19, lower mold straight cooling pipe 20. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings.

[0026] like Figure 1-4As shown, a combined plastic wardrobe precision injection molding mold comprises a plastic wardrobe upper mold 1 and a plastic wardrobe lower mold 2, an injection molded part 3 is arranged above the plastic wardrobe upper mold 1, a wardrobe molding convex part 4 and a wardrobe side molding concave part 5 are arranged at the bottom of the plastic wardrobe upper mold 1, a buckle groove synchronous molding component 6 is arranged between the wardrobe molding convex part 4 and the wardrobe side molding concave part 5, a wardrobe molding concave part 7 and a wardrobe side molding convex frame 8 are arranged in the plastic wardrobe lower mold 2, the wardrobe molding convex part 4 corresponds to the position of the wardrobe molding concave part 7 and the shape is matched, the wardrobe side molding concave part 5 corresponds to the position of the wardrobe side molding convex frame 8 and the shape is matched, and an outer straight top piece 9 is arranged at the bottom of the plastic wardrobe lower mold 2.

[0027] In this embodiment, during the injection molding process, the plastic wardrobe upper mold 1 and the plastic wardrobe lower mold 2 are brought close to each other, so that the wardrobe molding convex part 4 is close to the wardrobe molding concave part 7, and the wardrobe side molding concave cavity 5 is close to the wardrobe side molding convex frame 8, which cooperate with each other to form a complete cavity, and the molten material is injected into the cavity through the injection molded part 3, and the buckle groove structure at the side and end positions of the plastic part can be injection molded synchronously through the buckle groove synchronous molding component 6, and there is no need to perform secondary buckle groove molding processing on the plastic part, which greatly reduces the labor intensity, shortens the process, and improves the subsequent yield rate of the plastic part. After the injection molding is completed, the mold is opened, and the molded plastic part can be ejected and demolded at one time through the outer straight ejector 9, and the demolding efficiency is high.

[0028] Combination Figure 1-4 As shown, the buckle groove synchronous molding component 6 includes a plurality of side buckle groove molding protrusions 10 and end buckle groove molding protrusions 11 arranged between the wardrobe molding protrusion 4 and the wardrobe side molding cavity 5, and the side buckle groove molding protrusions 10 and the end buckle groove molding protrusions 11 are respectively integrally molded with the wardrobe molding protrusion 4.

[0029] Specifically, during the injection molding process, the side buckle groove molding protrusion 10 and the end buckle groove molding protrusion 11 can be simultaneously injection molded into the buckle groove structure at the side and end positions of the plastic part, without the need for secondary buckle groove molding processing on the plastic part, which greatly reduces manual labor intensity, shortens the process, and improves the subsequent yield rate of the plastic part.

[0030] The side buckle groove forming protrusion 10 and the end buckle groove forming protrusion 11 are L-shaped.

[0031] In this embodiment, the side buckle groove forming protrusion 10 and the end buckle groove forming protrusion 11 are L-shaped, which is convenient for forming the buckle groove shape.

[0032] Combination Figure 4 As shown, the widths of the side buckle groove forming protrusions 10 and the end buckle groove forming protrusions 11 gradually decrease from close to the side away from the upper mold 1 of the plastic wardrobe.

[0033] In this embodiment, the width of the side buckle groove forming protrusion 10 and the end buckle groove forming protrusion 11 gradually decreases from close to the side of the plastic wardrobe upper mold 1 to facilitate subsequent mold opening and demolding without getting stuck.

[0034] The wardrobe molding protrusion 4 includes a wardrobe molding protrusion 12 arranged at the bottom of the plastic wardrobe upper mold 1, the side buckle groove molding protrusion 10 and the end buckle groove molding protrusion 11 are respectively integrally formed with the wardrobe molding protrusion 12, and the wardrobe molding concave portion 7 includes a wardrobe molding cavity 13 arranged in the plastic wardrobe lower mold 2, and the wardrobe molding protrusion 12 corresponds to the wardrobe molding cavity 13 in position and matches in shape.

[0035] In this embodiment, the wardrobe molding protrusion 12 and the wardrobe molding cavity 13 cooperate to form the plastic part body.

[0036] Combination Figure 2 , Figure 4 As shown, an upper diamond-shaped portion 14 is provided at the bottom of the wardrobe molding convex plate 12, and a lower diamond-shaped portion 15 is provided in the wardrobe molding concave cavity 13, and the upper diamond-shaped portion 14 and the lower diamond-shaped portion 15 are arranged opposite to each other.

[0037] In this embodiment, the upper diamond-shaped pattern portion 14 is used to synchronously form the upper diamond-shaped structure of the plastic part, and the lower diamond-shaped pattern portion 15 is used to synchronously form the lower diamond-shaped structure of the plastic part.

[0038] The injection molded part 3 includes an injection molded main board 16 and an injection molded diverter plate 17 which are arranged above the upper mold 1 of the plastic wardrobe.

[0039] In this embodiment, during the injection molding process, the molten material is injected through the injection molding main board 16 and is diverted through the injection molding diverter plate 17 to increase the molding rate of the plastic part.

[0040] Combination Figure 1-3 As shown, the outer straight push piece 9 includes a plurality of straight push rods 18 arranged below the lower mold 2 of the plastic wardrobe, and the plurality of straight push rods 18 are parallel to each other.

[0041] In this embodiment, after the injection molding is completed, the mold is opened, and the straight ejector rod 18 is moved to eject the molded plastic part in all directions through the straight ejector rod 18 .

[0042] Combination Figure 1-4 As shown, a plurality of upper mold direct cooling pipes 19 are provided in the upper mold 1 of the plastic wardrobe. The plurality of upper mold direct cooling pipes 19 penetrate through the upper mold 1 of the plastic wardrobe and are arranged transversely.

[0043] In this embodiment, after the injection molding is completed, cooling water is introduced into the upper mold direct cooling pipe 19 to cool the upper surface of the plastic part through the upper mold direct cooling pipe 19.

[0044] Combination Figure 1-4 As shown, a plurality of lower mold direct cooling pipes 20 are provided in the lower mold 2 of the plastic wardrobe. The plurality of lower mold direct cooling pipes 20 penetrate through the lower mold 2 of the plastic wardrobe and are arranged transversely.

[0045] In this embodiment, after the injection molding is completed, cooling water is introduced into the lower mold straight cooling pipe 20 to cool the lower surface of the plastic part through the lower mold straight cooling pipe 20.

[0046] The working principle of the utility model is:

[0047] During the injection molding process, the upper mold 1 of the plastic wardrobe and the lower mold 2 of the plastic wardrobe are brought close to each other, so that the molding convex plate 12 is close to the wardrobe molding cavity 13, and the wardrobe side molding cavity 5 is close to the wardrobe side molding convex frame 8, and they cooperate with each other to form a complete cavity. The molten material is injected through the injection molding main board 16 and diverted through the injection molding diverter plate 17 to improve the molding rate of the plastic part. The side buckle groove molding protrusion 10 and the end buckle groove molding protrusion 11 can simultaneously injection mold the buckle groove structure at the side and end positions of the plastic part, and there is no need to perform secondary buckle groove molding processing on the plastic part, which greatly reduces the labor intensity, shortens the process, and improves the subsequent yield rate of the plastic part.

[0048] The side buckle groove forming protrusion 10 and the end buckle groove forming protrusion 11 are L-shaped, which is convenient for forming the buckle groove shape. The width of the side buckle groove forming protrusion 10 and the end buckle groove forming protrusion 11 gradually decreases from close to the side away from the upper mold 1 of the plastic wardrobe, which is convenient for subsequent mold opening and demoulding without jamming.

[0049] The upper diamond-shaped pattern portion 14 is used to synchronously form the upper diamond-shaped structure of the plastic part, and the lower diamond-shaped pattern portion 15 is used to synchronously form the lower diamond-shaped structure of the plastic part.

[0050] After the injection molding is completed, the cooling water is passed into the upper mold straight cooling pipe 19, and the upper surface of the plastic part is cooled by the upper mold straight cooling pipe 19. The cooling water is passed into the lower mold straight cooling pipe 20, and the lower surface of the plastic part is cooled by the lower mold straight cooling pipe 20. After cooling is completed, the mold is opened, and the straight ejector 18 is moved to eject the molded plastic part in all directions through the straight ejector 18.

[0051] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0052] Although this article uses more terms such as plastic wardrobe upper mold 1, plastic wardrobe lower mold 2, injection molded part 3, wardrobe molding convex part 4, wardrobe side molding concave cavity 5, buckle groove synchronous molding component 6, wardrobe molding concave part 7, wardrobe side molding convex frame 8, outer straight top piece 9, side buckle groove molding convex 10, end buckle groove molding convex 11, wardrobe molding convex plate 12, wardrobe molding concave cavity 13, upper diamond pattern part 14, lower diamond pattern part 15, injection molding main board 16, injection molding diverter plate 17, straight top rod 18, upper mold straight cooling pipe 19, lower mold straight cooling pipe 20, etc., it does not exclude the possibility of using other terms. The use of these terms is only to more conveniently describe and explain the essence of the utility model, and interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A combined plastic wardrobe precision injection molding mold, comprising a plastic wardrobe upper mold (1) and a plastic wardrobe lower mold (2), wherein an injection molded part (3) is provided above the plastic wardrobe upper mold (1), characterized in that: The bottom of the plastic wardrobe upper mold (1) is provided with a wardrobe molding protrusion (4) and a wardrobe side molding cavity (5), a buckle groove synchronous molding component (6) is provided between the wardrobe molding protrusion (4) and the wardrobe side molding cavity (5), the plastic wardrobe lower mold (2) is provided with a wardrobe molding concave portion (7) and a wardrobe side molding convex frame (8), the wardrobe molding protrusion (4) corresponds to the wardrobe molding concave portion (7) in position and has a matching shape, the wardrobe side molding cavity (5) corresponds to the wardrobe side molding convex frame (8) in position and has a matching shape, and an outer straight top piece (9) is provided below the plastic wardrobe lower mold (2).

2. The precision injection molding mold for combined plastic wardrobe according to claim 1 is characterized in that: The buckle groove synchronous forming component (6) comprises a plurality of side buckle groove forming protrusions (10) and end buckle groove forming protrusions (11) arranged between the wardrobe forming protrusion (4) and the wardrobe side forming cavity (5), and the side buckle groove forming protrusions (10) and the end buckle groove forming protrusions (11) are respectively integrally formed with the wardrobe forming protrusion (4).

3. The precision injection molding mold for combined plastic wardrobe according to claim 2 is characterized in that: The side buckle groove forming protrusion (10) and the end buckle groove forming protrusion (11) are L-shaped.

4. The precision injection molding mold for combined plastic wardrobe according to claim 3 is characterized in that: The widths of the side buckle groove forming protrusion (10) and the end buckle groove forming protrusion (11) gradually decrease from close to the side away from the upper mold (1) of the plastic wardrobe.

5. The precision injection molding mold for combined plastic wardrobe according to claim 4 is characterized in that: The wardrobe molding protrusion (4) comprises a wardrobe molding protrusion (12) arranged at the bottom of the plastic wardrobe upper mold (1), the side buckle groove molding protrusion (10) and the end buckle groove molding protrusion (11) are respectively integrally molded with the wardrobe molding protrusion (12), and the wardrobe molding concave portion (7) comprises a wardrobe molding concave cavity (13) arranged in the plastic wardrobe lower mold (2), and the wardrobe molding protrusion (12) corresponds to the position of the wardrobe molding concave cavity (13) and matches the shape.

6. The precision injection molding mold for combined plastic wardrobe according to claim 5 is characterized in that: An upper diamond-shaped portion (14) is provided at the bottom of the wardrobe forming convex plate (12), and a lower diamond-shaped portion (15) is provided in the wardrobe forming concave cavity (13), and the upper diamond-shaped portion (14) and the lower diamond-shaped portion (15) are arranged opposite to each other.

7. The precision injection molding mold for combined plastic wardrobe according to claim 6 is characterized in that: The injection molded part (3) comprises an injection molded main board (16) and an injection molded diverter plate (17) which are arranged above the upper mold (1) of the plastic wardrobe.

8. The precision injection molding mold for combined plastic wardrobe according to claim 7 is characterized in that: The outer straight push piece (9) comprises a plurality of straight push rods (18) arranged below the lower mold (2) of the plastic wardrobe, and the plurality of straight push rods (18) are parallel to each other.

9. The precision injection molding mold for combined plastic wardrobe according to claim 8, characterized in that: A plurality of upper mold direct cooling pipes (19) are arranged in the upper mold of the plastic wardrobe (1), and the plurality of upper mold direct cooling pipes (19) penetrate through the upper mold of the plastic wardrobe (1) and are arranged transversely.

10. The precision injection molding mold for combined plastic wardrobe according to claim 9, characterized in that: A plurality of lower mold direct cooling pipes (20) are arranged in the lower mold of the plastic wardrobe (2). The plurality of lower mold direct cooling pipes (20) penetrate through the lower mold of the plastic wardrobe (2) and are arranged transversely.

Images