One-mold multi-cavity charger upper cover forming mold

Abstract

The utility model discloses a one-mold multi-cavity charger upper cover forming mold which comprises an upper mold and a lower mold, the upper mold is provided with an upper mold core, and the lower mold is provided with a lower mold core; the bottom of the upper mold core is upwards concavely provided with a cavity; a mold core is arranged on the top of the lower mold core in an upward protruding mode, the mold core comprises a main body part and an insert used for forming a groove position of the charger upper cover, an inclined ejection channel is formed in one end of the main body part, an inclined ejection device is arranged in the inclined ejection channel in a sliding mode, and an injection mold cavity is defined by the bottom of the fixing part, the mold cavity, the main body part and the insert; four cavities and four cores are arranged at intervals in two rows and two columns, the top of the lower mold core is provided with a glue inlet runner, the glue inlet runner comprises a main runner and four branch runners, a glue inlet channel is arranged in the main body part, the top of the glue inlet channel is exposed out of the top of the main body part, and the lower mold core is provided with horn gates communicated with the branch runners and the glue inlet channel. The glue inlet is located in the charger upper cover, the wall face of the groove position can be filled more smoothly, and the yield of products is improved.

Description

Technical Field

[0001] The utility model relates to the field of charger upper covers, in particular to a charger upper cover forming die with one mold and multiple cavities. Background Art

[0002] An injection mold is a tool used to produce plastic products and to give them a complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain parts with complex shapes. Specifically, it refers to the process of injecting heated and molten plastic into the mold cavity under high pressure through an injection molding machine, and then cooling and solidifying it to obtain a molded product.

[0003] The charger cover includes a cover body, a protrusion protruding from the top of the cover body, and multiple slots arranged in the cover body. In the existing technology, the molding die of the charger cover usually adopts the side molding method, that is, the glue inlet will be on the outer wall of the cover body. On the one hand, it affects the appearance of the charger cover. On the other hand, due to the thin wall thickness of the slot, the molten plastic is prone to uneven flow when flowing from one end of the charger cover to the other end, which in turn causes defects on the wall of the slot, affecting the assembly of the charger cover. In addition, the overall volume of the charger cover is relatively small. Therefore, how to reasonably design the molding die of the charger cover to improve the production efficiency and yield of the product is a key research direction in the industry.

[0004] Therefore, it is necessary to design a new technical solution to solve the above problems. Utility Model Content

[0005] In view of this, the present invention aims to address the deficiencies in the prior art, and its main purpose is to provide a one-mold, multi-cavity charger cover forming mold, wherein the core comprises a main body and an insert, so that the main body and the insert can be arranged at intervals, thereby forming the wall of the slot of the charger cover, and a glue feed channel is provided in the main body, the top of the glue feed channel is exposed at the top of the main body, and the lower mold core is provided with a bull horn gate connecting the diversion channel and the glue feed channel, so that the glue feed port is located inside the charger cover, thereby improving the appearance of the charger cover, and the molten plastic can flow downward from the top of the charger cover, and can more smoothly fill the wall of the slot, thereby improving the yield of the product, and the provision of the inclined top device facilitates the demolding of the charger cover from the core.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A multi-cavity charger cover forming mold, comprising an upper mold and a lower mold, wherein the upper mold is provided with an upper mold core, and the lower mold is provided with a lower mold core, and the upper mold core and the lower mold core enclose an injection mold cavity for forming the charger cover;

[0008] The bottom of the upper mold core is concavely provided with a cavity, and the top wall of the cavity is provided with an avoidance groove for the protrusion of the charger cover to avoid. The avoidance groove passes through the top of the upper mold core upward, and a fixing piece is fixed in the avoidance groove from top to bottom;

[0009] The top of the lower mold core is provided with a core protruding upward, and the core includes a main body and an insert for forming a slot of the charger cover. The main body is integrally extended upward from the top of the lower mold core, and the lower mold core is provided with a mounting groove on the side of the main body. The insert is installed in the mounting groove from bottom to top. An inclined top channel is provided at one end of the main body away from the mounting groove, and an inclined top device is slidably provided in the inclined top channel. The bottom of the fixing member, the cavity, the main body and the insert together form the injection mold cavity.

[0010] The mold cavity and the mold core are each provided with four mold cavities arranged in two rows and two columns, and the two mold cores in each row are symmetrical on the left and right. In the two mold cores in each row, the two inserts are arranged opposite to each other. The top of the lower mold core is provided with a glue feed channel, and the glue feed channel is located between the two rows of cores. The glue feed channel includes a main channel and four branch channels. A glue feed channel is provided in the main body, and the top of the glue feed channel is exposed at the top of the main body. The lower mold core is provided with a bull horn gate connecting the branch channel and the glue feed channel.

[0011] As a preferred solution, the upper mold core and the lower mold core are each provided with four mold cores arranged in two rows and two columns.

[0012] As a preferred solution, cooling channels are provided on both adjacent sides of the lower mold core, and the two cooling channels respectively surround the two cores in each row.

[0013] As a preferred solution, the inclined ejector device includes a sliding seat and an inclined ejector rod, the sliding seat is provided with a sliding groove, the bottom of the inclined ejector rod is slidably connected to the sliding groove, and the top of the inclined ejector rod is exposed at the top of the main body.

[0014] As a preferred solution, the inclined lift devices are two symmetrically arranged, and the two sliding grooves are perpendicular to each other.

[0015] As a preferred solution, the insert includes a slot forming part and a side opening forming part, and the side opening forming part protrudes from the slot forming part at one end away from the main body part. Accordingly, the bottom of the upper mold core is recessed upward on the side of the cavity to provide an avoidance position for the side opening forming part to avoid, and the top of the side opening forming part can protrude into the avoidance position.

[0016] As a preferred solution, it further comprises a pouring runner, which is connected to the middle part of the main runner.

[0017] As a preferred solution, the upper mold includes a top plate, a hot runner plate and an upper mold plate arranged in sequence from top to bottom, the upper mold core is arranged on the upper mold plate, the lower mold includes a bottom plate, a square iron and a lower mold plate arranged in sequence from bottom to top, the square irons are two arranged in a front-to-back spacing, a ejector pin structure is provided between the two square irons, and the lower mold core is provided on the lower mold plate.

[0018] As a preferred solution, the bottom of the upper template is concavely provided with a first groove, the upper mold core is arranged in the first groove, and the top of the lower template is concavely provided with a second groove, the lower mold core is arranged in the second groove.

[0019] As a preferred solution, both the first groove and the second groove are provided with positioning blocks for positioning. The provision of the positioning blocks facilitates the upper and lower alignment of the upper die core and the lower die core.

[0020] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0021] Mainly, the core includes a main body and an insert, so that the main body and the insert can be arranged at a distance, so as to form the wall of the slot of the charger cover, and a glue feed channel is provided in the main body, and the top of the glue feed channel is exposed at the top of the main body. The lower mold core is provided with a bull horn gate connecting the branch channel and the glue feed channel, so that the glue feed port is located inside the charger cover, thereby improving the appearance of the charger cover. The molten plastic can flow downward from the top of the charger cover, and can fill the wall of the slot more smoothly, thereby improving the yield of the product. In addition, the setting of the inclined top device facilitates the demolding of the charger cover from the core.

[0022] In order to more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of a preferred embodiment of the present utility model;

[0024] Figure 2 This is a three-dimensional schematic diagram of the lower mold of the preferred embodiment of the present utility model;

[0025] Figure 3 This is a three-dimensional schematic diagram of the upper mold of a preferred embodiment of the present utility model;

[0026] Figure 4 This is a three-dimensional schematic diagram of the inclined roof device of the preferred embodiment of the utility model;

[0027] Figure 5 This is a schematic diagram of a bull horn gate according to a preferred embodiment of the present invention;

[0028] Figure 6 It is a schematic diagram of a fixing member of a preferred embodiment of the present utility model;

[0029] Figure 7 It is a schematic diagram of the inclined roof device of the preferred embodiment of the present utility model.

[0030] Description of the accompanying drawings:

[0031] 10. Upper mold 11. Upper mold core

[0032] 111, cavity 112, avoidance groove

[0033] 113, avoidance position 12, top plate

[0034] 13. Hot runner plate 14. Upper template

[0035] 141, first groove 20, lower die

[0036] 21. Lower mold core 211. Core

[0037] 212, main body 213, insert

[0038] 2131, slot forming part 2132, side opening forming part

[0039] 214, mounting groove 215, inclined top channel

[0040] 216, glue inlet channel 2161, main channel

[0041] 2162, diversion channel 22, bottom plate

[0042] 23. Square iron 24. Lower template

[0043] 241, second groove 201, glue inlet channel

[0044] 202, horn gate 30, pouring runner

[0045] 40. Injection mold cavity 50. Ejector pin structure

[0046] 60, positioning block 70, fixing piece

[0047] 80. Inclined lift device 81. Sliding seat

[0048] 811, sliding groove 82, inclined ejector

[0049] 90. Cooling channel. DETAILED DESCRIPTION

[0050] First of all, it should be noted that in the description of the present invention, the terms "up", "down", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as a limitation on the present invention.

[0051] Please refer to Figures 1 to 7 As shown, it shows the specific structure of a preferred embodiment of the present invention, including an upper mold 10, a lower mold 20 and a pouring runner 30.

[0052] The upper mold 10 is provided with an upper mold core 11, and the lower mold 20 is provided with a lower mold core 21. The upper mold core 11 and the lower mold core 21 enclose an injection mold cavity 40 for molding the upper cover of the charger; specifically, the upper mold 10 includes a top plate 12, a hot runner plate 13 and an upper mold plate 14 arranged in sequence from top to bottom, the upper mold core 11 is arranged on the upper mold plate 14, and the lower mold 20 includes a bottom plate 22, a square iron 23 and a lower mold plate 24 arranged in sequence from bottom to top, the square iron 23 is arranged in two pieces at a front-to-back spacing, and an ejector structure 50 is provided between the two square irons 23, the ejector structure 50 includes an upper ejector plate, a lower ejector plate and a plurality of ejectors, and the lower mold core 21 is arranged on the lower mold plate 24;

[0053] See Figure 2 、 Figure 3 and Figure 5 As shown, the bottom of the upper template 14 is recessed upwardly with a first groove 141, and the upper mold core 11 is arranged in the first groove 141. The top of the lower template 24 is recessed downwardly with a second groove 241, and the lower mold core 21 is arranged in the second groove 241. The first groove 141 and the second groove 241 are both provided with a positioning block 60 for positioning. The setting of the positioning block 60 facilitates the upper and lower alignment of the upper mold core 11 and the lower mold core 21.

[0054] The bottom of the upper mold core 11 is concavely provided with a cavity 111, see Figure 6 As shown, the top wall of the cavity 111 is provided with an avoidance groove 112 for the protrusion of the charger cover to avoid, and the avoidance groove 112 passes through the top of the upper mold core 11 upward, and a fixing part 70 is fixed from top to bottom in the avoidance groove 112, and the bottom of the fixing part 70 is recessed upward.

[0055] A core 211 is protruding upward from the top of the lower mold core 21. The core 211 includes a main body 212 and an insert 213 for forming a slot for the charger cover. The main body 212 extends upward from the top of the lower mold core 21. The lower mold core 21 is provided with a mounting groove 214 on the side of the main body 212. The insert 213 is installed in the mounting groove 214 from bottom to top. An inclined top channel 215 is provided at one end of the main body 212 away from the mounting groove 214. A inclined top device 80 is slidably provided in the inclined top channel 215. The bottom of the fixing member 70, the cavity 111, the main body 212 and the insert 213 together form the injection mold cavity 40.

[0056] See Figure 2 and Figure 3 As shown, specifically, the insert 213 includes a slot forming portion 2131 and a side opening forming portion 2132, and the side opening forming portion 2132 protrudes from the slot forming portion 2131 at one end away from the main body portion 212. Accordingly, the bottom of the upper mold core 11 is recessed upward on the side of the cavity 111 to provide an avoidance position 113 for the side opening forming portion 2132 to avoid, and the top of the side opening forming portion 2132 can protrude into the avoidance position 113.

[0057] The mold cavity 111 and the mold core 211 are each provided with four mold cores arranged in two rows and two columns, and the two mold cores in each row are symmetrical. In the two mold cores 211 in each row, the two inserts 213 are arranged opposite to each other. The top of the lower mold core 21 is provided with a glue feed channel 216. The glue feed channel 216 is located between the two rows of mold cores 211. The glue feed channel 216 includes a main channel 2161 and four branch channels 2162. The pouring channel 30 is connected to the middle of the main channel 2161; see Figure 5 As shown, a glue inlet channel 201 is provided in the main body 212 , and the top of the glue inlet channel 201 is exposed at the top of the main body 212 . The lower mold core 21 is provided with a bull horn gate 202 connecting the branch channel 2162 and the glue inlet channel 201 .

[0058] See Figure 2 and Figure 3 As shown, the upper mold core 11 and the lower mold core 21 are each provided with four mold cores 211 arranged in two rows and two columns, so that the charger cover forming mold has one mold and sixteen cavities, which improves production efficiency; the adjacent two sides of the lower mold core 21 are provided with cooling channels 90, and the two cooling channels 90 respectively surround the two cores 211 in each row.

[0059] See Figure 4 and Figure 7As shown, the inclined lifting device 80 includes a sliding seat 81 and an inclined lifting rod 82. The sliding seat 81 is provided with a sliding groove 811. The bottom of the inclined lifting rod 82 is slidably connected to the sliding groove 811. The top of the inclined lifting rod 82 is exposed at the top of the main body 212. Specifically, the inclined lifting device 80 is symmetrically arranged, and the two sliding grooves 811 are perpendicular to each other.

[0060] The design focus of this utility model is:

[0061] Mainly, the core includes a main body and an insert, so that the main body and the insert can be arranged at a distance, so as to form the wall of the slot of the charger cover, and a glue feed channel is provided in the main body, and the top of the glue feed channel is exposed at the top of the main body. The lower mold core is provided with a bull horn gate connecting the branch channel and the glue feed channel, so that the glue feed port is located inside the charger cover, thereby improving the appearance of the charger cover. The molten plastic can flow downward from the top of the charger cover, and can fill the wall of the slot more smoothly, thereby improving the yield of the product. In addition, the setting of the inclined top device facilitates the demolding of the charger cover from the core.

[0062] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A multi-cavity charger cover molding die, comprising an upper die and a lower die, wherein the upper die is provided with an upper die core, and the lower die is provided with a lower die core, and the upper and lower die cores enclose an injection mold cavity for molding the charger cover; characterized in that: The bottom of the upper mold core is concavely provided with a cavity, and the top wall of the cavity is provided with an avoidance groove for the protrusion of the charger cover to avoid. The avoidance groove passes through the top of the upper mold core upward, and a fixing piece is fixed in the avoidance groove from top to bottom; The top of the lower mold core is provided with a core protruding upward, and the core includes a main body and an insert for forming a slot of the charger cover. The main body is integrally extended upward from the top of the lower mold core, and the lower mold core is provided with a mounting groove on the side of the main body. The insert is installed in the mounting groove from bottom to top. An inclined top channel is provided at one end of the main body away from the mounting groove, and an inclined top device is slidably provided in the inclined top channel. The bottom of the fixing member, the cavity, the main body and the insert together form the injection mold cavity. The mold cavity and the mold core are each provided with four mold cavities arranged in two rows and two columns, and the two mold cores in each row are symmetrical on the left and right. In the two mold cores in each row, the two inserts are arranged opposite to each other. The top of the lower mold core is provided with a glue feed channel, and the glue feed channel is located between the two rows of cores. The glue feed channel includes a main channel and four branch channels. A glue feed channel is provided in the main body, and the top of the glue feed channel is exposed at the top of the main body. The lower mold core is provided with a bull horn gate connecting the branch channel and the glue feed channel.

2. The multi-cavity charger cover forming mold according to claim 1, characterized in that: The upper mold core and the lower mold core are each provided with four mold cores arranged in two rows and two columns.

3. The multi-cavity charger cover forming mold according to claim 1, characterized in that: Cooling channels are provided on adjacent sides of the lower mold core, and the two cooling channels respectively surround the two cores in each row.

4. The charger cover forming mold with multiple cavities in one mold according to claim 1, characterized in that: The inclined ejector device includes a sliding seat and an inclined ejector rod. The sliding seat is provided with a sliding groove. The bottom of the inclined ejector rod is slidably connected to the sliding groove, and the top of the inclined ejector rod is exposed at the top of the main body.

5. The charger cover forming mold with multiple cavities in one mold according to claim 4, characterized in that: The inclined lift devices are arranged in two symmetrical positions, and the two sliding grooves are perpendicular to each other.

6. The charger cover forming mold with multiple cavities in one mold according to claim 1, characterized in that: The insert includes a slot forming part and a side opening forming part. The side opening forming part protrudes from the slot forming part at one end away from the main body part. Correspondingly, the bottom of the upper mold core is recessed upward on the side of the cavity to provide an avoidance position for the side opening forming part to avoid, and the top of the side opening forming part can protrude into the avoidance position.

7. The charger cover forming mold with multiple cavities in one mold according to claim 1, characterized in that: It also includes a pouring runner, which is connected to the middle part of the main runner.

8. The charger cover forming mold with multiple cavities in one mold according to claim 1, characterized in that: The upper mold includes a top plate, a hot runner plate and an upper mold plate arranged in sequence from top to bottom, the upper mold core is arranged on the upper mold plate, the lower mold includes a bottom plate, a square iron and a lower mold plate arranged in sequence from bottom to top, the square irons are arranged in two with a front-to-back spacing, and a ejector pin structure is provided between the two square irons, and the lower mold core is provided on the lower mold plate.

9. The charger cover forming mold with multiple cavities in one mold according to claim 8, characterized in that: The bottom of the upper template is concavely provided with a first groove, and the upper mold core is arranged in the first groove. The top of the lower template is concavely provided with a second groove, and the lower mold core is arranged in the second groove.

10. The charger cover forming mold with multiple cavities in one mold according to claim 9, characterized in that: The first groove and the second groove are both provided with positioning blocks for positioning.

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