Outdoor box injection mold with in-mold inclined top structure

Abstract

The utility model belongs to the technical field of molds, and particularly relates to an outdoor box injection mold with an in-mold inclined top structure. The outdoor box cover forming die comprises an outdoor box cover forming lower die and an outdoor box cover forming upper die. In the injection molding process, the outdoor box cover molding lower mold and the outdoor box cover molding upper mold are close to each other, so that the upper molding surface and the lower molding surface are attached to form a complete cavity, and the upper mold inclined top molding structure is attached to the upper molding surface and is used for complementing a side edge structure at the upper part of the cavity; and after injection molding is completed, the outdoor box cover forming lower mold is opened downwards, at the moment, the upper mold inclined top forming structure moves downwards, inclined top demolding is carried out on a plastic part from the side face of the upper portion through the upper mold inclined top forming structure, the side edge forming and demolding integrated design is adopted, the space in the mold is greatly saved, and the mold opening efficiency is improved. And an extra ejection structure for ejection is not needed, and the mold is simple in overall structure and low in cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, and relates to an injection mold for an outdoor box with an in-mold angled ejector structure. Background Art

[0002] Outdoor boxes are mainly toolboxes used outdoors, which can hold outdoor supplies, and are portable and practical. Outdoor boxes are generally made of plastic materials and assembled forms, with light weight and small floor area after disassembly. Among them, the outdoor box cover is also injection molded through an injection mold. In the injection process of the existing outdoor box cover injection mold, its forming structure and ejection structure are separately arranged, and this design requires a large in-mold space, resulting in a complex mold structure, high manufacturing cost and maintenance cost. Therefore, there is an urgent need to design an injection mold for an outdoor box with an in-mold angled ejector structure that can overcome the above defects.

[0003] In order to overcome the deficiencies of the prior art, people have continuously explored and proposed various solutions. For example, a Chinese patent discloses a mold for manufacturing the rear cover of an outdoor speaker [Application No.: 202023078937.0], which includes a bottom plate, a base, an upper seat and a top plate. A support column is provided on the upper surface of the bottom plate, and the bottom plate supports the base through the support column. A lower mold core is provided in the base, an upper seat is placed above the base, an upper mold core is provided in the upper seat, a top plate is provided at the top of the base, an injection port is provided at the top of the top plate, a forming cavity is provided in the upper mold core and the lower mold core, and a communication port is provided on one side of the forming cavity. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an injection mold for an outdoor box with an in-mold angled ejector structure for the above problems.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An injection mold for an outdoor box with an in-mold angled ejector structure includes a lower mold for forming an outdoor box cover and an upper mold for forming an outdoor box cover. An injection flow divider is provided above the upper mold for forming an outdoor box cover. Two upper forming surfaces symmetrically arranged along the center line of the upper mold for forming an outdoor box cover are provided at the bottom of the upper mold for forming an outdoor box cover. Two lower forming surfaces symmetrically arranged along the center line of the lower mold for forming an outdoor box cover are provided in the lower mold for forming an outdoor box cover. The positions of the upper forming surface and the lower forming surface correspond to each other and the shapes match. An upper mold angled ejector forming structure extending into the upper forming surface is provided between the injection flow divider and the upper mold for forming an outdoor box cover, and the shape of the upper mold angled ejector forming structure matches the shape of the upper forming surface.

[0007] In the above-mentioned outdoor box injection mold with an internal angled lifter structure, the upper mold angled lifter forming structure includes several side auxiliary forming lifter blocks arranged in the upper mold for forming the outdoor box lid. The side auxiliary forming lifter blocks are matched with the shape of the upper forming surface, and the side auxiliary forming lifter blocks are slidably matched with the upper mold for forming the outdoor box lid.

[0008] In the above-mentioned outdoor box injection mold with an internal angled lifter structure, an angled lifter connecting rod is provided on the side auxiliary forming lifter block. The angled lifter connecting rod is inclined, and the angled lifter connecting rod is slidably matched with the upper mold for forming the outdoor box lid.

[0009] In the above-mentioned outdoor box injection mold with an internal angled lifter structure, an upper fixing plate is provided above the upper mold for forming the outdoor box lid. An angled lifter rod connecting member is provided on the upper fixing plate, and the angled lifter connecting rod is slidably matched with the angled lifter rod connecting member.

[0010] In the above-mentioned outdoor box injection mold with an internal angled lifter structure, the angled lifter rod connecting member includes four angled lifter connecting side platforms arranged on the upper fixing plate. The angled lifter connecting side platforms are connected to the angled lifter connecting rod through a limiting portion.

[0011] In the above-mentioned outdoor box injection mold with an internal angled lifter structure, the limiting portion includes a limiting inclined sliding groove arranged in the angled lifter connecting side platform. A limiting block is provided on the angled lifter connecting rod, and the limiting block is slidably matched with the limiting inclined sliding groove.

[0012] In the above-mentioned outdoor box injection mold with an internal angled lifter structure, anti-disengagement side plates are provided on both sides of the upper fixing plate. The inner sides of the anti-disengagement side plates are in abutting fit with the outer sides of the angled lifter connecting side platforms.

[0013] In the above-mentioned outdoor box injection mold with an internal angled lifter structure, the injection molding shunt member includes an injection molding main board and an injection molding shunt board arranged above the upper mold for forming the outdoor box lid.

[0014] In the above-mentioned outdoor box injection mold with an internal angled lifter structure, a handle groove forming protrusion is provided in the upper forming surface, and a handle groove forming groove is provided in the lower forming surface. The handle groove forming protrusion and the handle groove forming groove are arranged opposite to each other.

[0015] In the above-mentioned outdoor box injection mold with an internal angled lifter structure, a triangular mark forming groove is provided in the upper forming surface, and a triangular mark forming protrusion is provided in the lower forming surface. The triangular mark forming groove and the triangular mark forming protrusion are arranged opposite to each other.

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

[0017] 1. During the injection molding process of the present utility model, the lower mold for forming the outdoor box cover and the upper mold for forming the outdoor box cover are brought closer to each other, so that the upper forming surface and the lower forming surface are fitted together to form a complete cavity. The inclined top forming structure of the upper mold is fitted with the upper forming surface to complement the side structure of the upper part of the cavity. The molten material is injected into the cavity through the injection molding shunt part. After the injection molding is completed, the lower mold for forming the outdoor box cover is opened downward. At this time, the inclined top forming structure of the upper mold is moved downward, and the plastic part is demolded by inclined top from the upper side through the inclined top forming structure of the upper mold. The integrated design of side forming and demolding greatly saves the space inside the mold, eliminates the need for an additional ejection structure for ejection, and the overall structure of the mold is simple with low cost.

[0018] 2. The inclined top connection side platform in the present utility model is used to connect the inclined top connecting rod, which is convenient for controlling the inclined top connecting rod. When the inclined top connecting rod needs to slide, it is limited by the sliding fit between the limit block and the limit inclined sliding groove to ensure the accuracy of inclined top demolding.

[0019] Other advantages, objectives and features of the present utility model will be partially reflected by the following description and partially understood by those skilled in the art through the research and practice of the present utility model. Brief Description of the Drawings

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

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

[0022] Figure 3 is the partial structural schematic diagram of the present utility model in another direction.

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

[0024] Figure 5 is the structural schematic diagram of the lower mold for forming the outdoor box cover.

[0025] In the figure: lower mold for forming the outdoor box cover 1, upper mold for forming the outdoor box cover 2, injection molding shunt part 3, upper forming surface 4, lower forming surface 5, inclined top forming structure of the upper mold 6, side auxiliary forming top block 7, inclined top connecting rod 8, upper fixing plate 9, inclined top rod connecting part 10, inclined top connection side platform 11, limiting part 12, limit inclined sliding groove 13, limit block 14, anti - detachment side plate 15, injection molding main board 16, injection molding shunt board 17, handle groove forming protrusion 18, handle groove forming groove 19, triangular mark forming groove 20, triangular mark forming protrusion 21. Detailed Description of the Embodiment

[0026] The present utility model will be further described below with reference to the drawings.

[0027] As Figures 1-5 shown, an injection mold for an outdoor box with an internal angled lifter structure includes a lower mold 1 for forming the outdoor box lid and an upper mold 2 for forming the outdoor box lid. An injection runner splitting member 3 is provided above the upper mold 2 for forming the outdoor box lid. Two upper forming surfaces 4 symmetrical about the center line of the upper mold 2 for forming the outdoor box lid are provided at the bottom of the upper mold 2 for forming the outdoor box lid. Two lower forming surfaces 5 symmetrical about the center line of the lower mold 1 for forming the outdoor box lid are provided inside the lower mold 1 for forming the outdoor box lid. The positions of the upper forming surfaces 4 and the lower forming surfaces 5 correspond to each other and their shapes are adapted to each other. An upper mold angled lifter forming structure 6 extending into the upper forming surface 4 is provided between the injection runner splitting member 3 and the upper mold 2 for forming the outdoor box lid. The shape of the upper mold angled lifter forming structure 6 is adapted to the shape of the upper forming surface 4.

[0028] In this embodiment, during the injection molding process, the lower mold 1 for forming the outdoor box lid and the upper mold 2 for forming the outdoor box lid are moved closer to each other so that the upper forming surfaces 4 and the lower forming surfaces 5 are in contact with each other to form a complete cavity. The upper mold angled lifter forming structure 6 is in contact with the upper forming surface 4 to complement the side structure of the upper part of the cavity. The molten material is injected into the cavity through the injection runner splitting member 3. After the injection molding is completed, the lower mold 1 for forming the outdoor box lid is opened downward. At this time, the upper mold angled lifter forming structure 6 is moved downward, and the plastic part is angled and demolded from the upper side by the upper mold angled lifter forming structure 6. The integrated design of side forming and demolding greatly saves the internal space of the mold, eliminates the need for an additional ejection structure for ejection, and the overall structure of the mold is simple and the cost is low.

[0029] Combined with Figures 1-5 shown, the upper mold angled lifter forming structure 6 includes a plurality of side auxiliary forming lifter blocks 7 provided in the upper mold 2 for forming the outdoor box lid. The shape of the side auxiliary forming lifter blocks 7 is adapted to the shape of the upper forming surface 4. The side auxiliary forming lifter blocks 7 are slidably engaged with the upper mold 2 for forming the outdoor box lid. An angled lifter connecting rod 8 is provided on the side auxiliary forming lifter blocks 7. The angled lifter connecting rod 8 is inclined and is slidably engaged with the upper mold 2 for forming the outdoor box lid.

[0030] In this embodiment, during the injection molding process, the side auxiliary forming lifter blocks 7 are in contact with the upper forming surface 4 to complement the side structure of the upper part of the cavity. After the injection molding is completed, the lower mold 1 for forming the outdoor box lid is opened downward. At this time, the side auxiliary forming lifter blocks 7 are driven to move by the angled lifter connecting rod 8, and the plastic part is angled and demolded from the upper side by the side auxiliary forming lifter blocks 7. The integrated design of side forming and demolding greatly saves the internal space of the mold, eliminates the need for an additional ejection structure for ejection, and the overall structure of the mold is simple and the cost is low.

[0031] Combined with Figure 3 、 Figure 4As shown, above the upper die 2 for forming the outdoor box cover, there is an upper fixing plate 9. On the upper fixing plate 9, there is an inclined ejector rod connecting member 10, and the inclined ejector connecting rod 8 is in sliding fit with the inclined ejector rod connecting member 10.

[0032] In this embodiment, the inclined ejector rod connecting member 10 is used to connect the inclined ejector connecting rod 8, facilitating the control of the inclined ejector connecting rod 8.

[0033] The inclined ejector rod connecting member 10 includes four inclined ejector connecting side platforms 11 arranged on the upper fixing plate 9. The inclined ejector connecting side platforms 11 and the inclined ejector connecting rod 8 are connected by a limiting portion 12. The limiting portion 12 includes a limiting inclined sliding groove 13 arranged inside the inclined ejector connecting side platform 11. On the inclined ejector connecting rod 8, there is a limiting block 14, and the limiting block 14 is in sliding fit with the limiting inclined sliding groove 13.

[0034] In this embodiment, the inclined ejector connecting side platforms 11 are used to connect the inclined ejector connecting rod 8, facilitating the control of the inclined ejector connecting rod 8. When the inclined ejector connecting rod 8 needs to slide, through the sliding fit between the limiting block 14 and the limiting inclined sliding groove 13, limiting is carried out to ensure the accuracy of inclined ejector demolding.

[0035] On both sides of the upper fixing plate 9, there are anti - detachment side plates 15. The inner sides of the anti - detachment side plates 15 are in abutting fit with the outer sides of the inclined ejector connecting side platforms 11.

[0036] In this embodiment, the inner sides of the anti - detachment side plates 15 are in abutting fit with the outer sides of the inclined ejector connecting side platforms 11, preventing the inclined ejector connecting side platforms 11 from detaching.

[0037] Combined with Figure 1 As shown, the injection - molding flow - dividing part 3 includes an injection - molding main board 16 and an injection - molding flow - dividing board 17 arranged above the upper die 2 for forming the outdoor box cover.

[0038] In this embodiment, during injection - molding, the molten material is injected through the injection - molding main board 16 and then undergoes injection - molding flow - division through the injection - molding flow - dividing board 17.

[0039] Combined with Figures 1-5 As shown, in the upper forming surface 4, there is a handle - groove forming protrusion 18, and in the lower forming surface 5, there is a handle - groove forming recess 19. The handle - groove forming protrusion 18 and the handle - groove forming recess 19 are arranged opposite to each other.

[0040] In this embodiment, during injection - molding, the handle - groove forming protrusion 18 and the handle - groove forming recess 19 cooperate to form the handle - groove structure of the plastic part.

[0041] Combined with Figures 1-5 As shown, in the upper forming surface 4, there is a triangle - mark forming recess 20, and in the lower forming surface 5, there is a triangle - mark forming protrusion 21. The triangle - mark forming recess 20 and the triangle - mark forming protrusion 21 are arranged opposite to each other.

[0042] In this embodiment, during injection molding, the triangular mark forming groove 20 and the triangular mark forming protrusion 21 cooperate to form the triangular mark structure of the plastic part.

[0043] The working principle of the present utility model is as follows:

[0044] During the injection molding process, the outdoor box cover forming lower mold 1 and the outdoor box cover forming upper mold 2 are moved closer to each other, so that the upper forming surface 4 and the lower forming surface 5 are fitted together to form a complete cavity. The side auxiliary forming top block 7 is fitted with the upper forming surface 4 to complement the side structure of the upper part of the cavity. The molten material is injected through the injection main board 16 and then undergoes injection splitting through the injection splitting board 17 and enters the cavity. After the injection molding is completed, the outdoor box cover forming lower mold 1 is opened downward. At this time, the side auxiliary forming top block 7 is driven to move by the angled ejector connecting rod 8, and the plastic part is obliquely ejected from the upper side by the side auxiliary forming top block 7. With the integrated design of side forming and ejection, the in-mold space is greatly saved, and there is no need to additionally configure an ejection structure for ejection. The overall structure of the mold is simple and the cost is low.

[0045] The angled ejector connecting side platform 11 is used to connect the angled ejector connecting rod 8 to facilitate the control of the angled ejector connecting rod 8. When the angled ejector connecting rod 8 needs to slide, it is limited by the sliding fit between the limit block 14 and the limit angled chute 13 to ensure the accuracy of the angled ejector demolding. The inner side of the anti-disengagement side plate 15 is in contact and cooperation with the outer side of the angled ejector connecting side platform 11 to prevent the angled ejector connecting side platform 11 from disengaging.

[0046] During injection molding, the handle groove forming protrusion 18 and the handle groove forming groove 19 cooperate to form the handle groove structure of the plastic part, and the triangular mark forming groove 20 and the triangular mark forming protrusion 21 cooperate to form the triangular mark structure of the plastic part.

[0047] The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the technical field to which the present utility model pertains can make various modifications or supplements to the described specific embodiments or use similar methods for substitution, but will not deviate from the spirit of the present utility model.

[0048] Although terms such as the lower die 1 for forming the outdoor box cover, the upper die 2 for forming the outdoor box cover, the injection molding shunt part 3, the upper forming surface 4, the lower forming surface 5, the upper die angled lifter forming structure 6, the side auxiliary forming top block 7, the angled lifter connecting rod 8, the upper fixing plate 9, the angled lifter rod connecting part 10, the angled lifter connecting side platform 11, the limiting part 12, the limiting angled sliding groove 13, the limiting block 14, the anti - detachment side plate 15, the injection molding main board 16, the injection molding shunt plate 17, the handle groove forming protrusion 18, the handle groove forming groove 19, the triangle mark forming groove 20, the triangle mark forming protrusion 21 are used more frequently in this text, 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 present utility model, and interpreting them as any kind of additional limitation is contrary to the spirit of the present utility model.

Claims

1. An outdoor box injection mold with an in-mold inclined top structure, comprising an outdoor box cover molding lower mold (1) and an outdoor box cover molding upper mold (2), characterized in that: An injection molding diverter (3) is provided above the outdoor box cover molding upper mold (2), and two upper molding surfaces (4) symmetrical along the center line of the outdoor box cover molding upper mold (2) are provided at the bottom of the outdoor box cover molding upper mold (2). Two lower molding surfaces (5) symmetrical along the center line of the outdoor box cover molding lower mold (1) are provided inside the outdoor box cover molding lower mold (1), and the positions of the upper molding surfaces (4) and the lower molding surfaces (5) correspond and their shapes match. An upper mold inclined top molding structure (6) extending to the upper molding surface (4) is provided between the injection molding diverter (3) and the outdoor box cover molding upper mold (2), and the upper mold inclined top molding structure (6) matches the shape of the upper molding surface (4).

2. The outdoor box injection mold with an in-mold inclined roof structure according to claim 1, characterized in that: The upper mold inclined top forming structure (6) comprises a plurality of side auxiliary forming top blocks (7) arranged in the outdoor box cover forming upper mold (2), the side auxiliary forming top blocks (7) are matched with the shape of the upper forming surface (4), and the side auxiliary forming top blocks (7) are slidably matched with the outdoor box cover forming upper mold (2).

3. The outdoor box injection mold with an in-mold inclined roof structure according to claim 2, characterized in that: The side auxiliary forming top block (7) is provided with an inclined top connecting rod (8), the inclined top connecting rod (8) is arranged in an inclined manner, and the inclined top connecting rod (8) is slidably matched with the outdoor box cover forming upper mold (2).

4. The outdoor box injection mold with an in-mold inclined roof structure according to claim 3, characterized in that: An upper fixing plate (9) is provided above the outdoor box cover forming upper die (2), and a slanted top rod connecting piece (10) is provided on the upper fixing plate (9), and the slanted top rod connecting piece (8) is slidably matched with the slanted top rod connecting piece (10).

5. The outdoor box injection mold with an in-mold inclined roof structure according to claim 4, characterized in that: The inclined top rod connecting member (10) comprises four inclined top connecting side platforms (11) arranged on the upper fixed plate (9), and the inclined top connecting side platforms (11) are connected to the inclined top connecting rod (8) via a limiting portion (12).

6. The outdoor box injection mold with an in-mold inclined roof structure according to claim 5, characterized in that: The limiting portion (12) comprises a limiting inclined sliding groove (13) arranged in the inclined top connecting side platform (11), and a limiting block (14) is provided on the inclined top connecting rod (8), and the limiting block (14) is slidably matched with the limiting inclined sliding groove (13).

7. The outdoor box injection mold with an in-mold inclined roof structure according to claim 6, characterized in that: Anti-slip side plates (15) are provided on both sides of the upper fixing plate (9), and the inner sides of the anti-slip side plates (15) are in abutment with the outer sides of the inclined top connecting side platforms (11).

8. The outdoor box injection mold with an in-mold inclined roof structure according to claim 7, characterized in that: The injection molded flow divider (3) comprises an injection molded main board (16) and an injection molded flow divider plate (17) which are arranged above the outdoor box cover molding upper mold (2).

9. The outdoor box injection mold with an in-mold inclined roof structure according to claim 8, characterized in that: A handle groove forming protrusion (18) is provided in the upper forming surface (4), and a handle groove forming groove (19) is provided in the lower forming surface (5), wherein the handle groove forming protrusion (18) and the handle groove forming groove (19) are arranged opposite to each other.

10. The outdoor box injection mold with an in-mold inclined roof structure according to claim 9, characterized in that: A triangle mark forming groove (20) is provided in the upper forming surface (4), and a triangle mark forming protrusion (21) is provided in the lower forming surface (5), and the triangle mark forming groove (20) and the triangle mark forming protrusion (21) are arranged opposite to each other.

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