A combined multi-group cooling and exhaust core

Abstract

The present invention relates to the technical field of injection molds, and in particular to a combined multi-group cooling core with exhaust; the core comprises a template and a plurality of cores, each core comprises a mold cavity and a bottom mold, a water inlet is arranged at one end of the template, a first water inlet hole and a second water inlet hole are arranged on each mold cavity, an annular water channel is arranged outside each bottom mold, a spiral water channel is arranged outside each mold cavity, a water inlet of the spiral water channel corresponds to the second water inlet hole, a coolant is transported to the first water inlet hole on the mold cavity through the water inlet on the template, and then transported to the second water inlet hole through the annular water channel, and then transported to the spiral water channel through the second water inlet hole, so that the coolant is in full contact with the outer wall of the mold cavity, thereby preventing the mold temperature from being too high, which may cause poor product molding during injection molding.

Description

Technical Field

[0001] The invention relates to the technical field of injection molds, and in particular to a combined multi-group cooling and exhaust mold core. Background Art

[0002] In the production process of plastic products, injection molding is required. Most existing injection molds install multiple mold cores on a template, and use an injection molding machine to inject mold cavities of multiple mold cores to produce plastic products.

[0003] However, in existing injection molds, when the product material is injected into the mold, the mold temperature accumulates. When the mold temperature is too high, the product molding and injection molding will be defective. Summary of the invention

[0004] The purpose of the present invention is to provide a combined multi-group cooling and exhaust core to solve the problem of existing injection molds in the prior art that the mold temperature accumulates when the product material is injected into the mold, and when the mold temperature is too high, the product molding will be defective during injection molding.

[0005] To achieve the above-mentioned purpose, the present invention provides a combined multi-group cooling core with exhaust, including a template and a plurality of cores, the template is provided with a plurality of installation grooves, each of the installation grooves is provided with the core, each of the cores includes a mold cavity and a bottom mold, the bottom mold is snap-connected with the mold cavity and is located at the bottom of the mold cavity, a water inlet is provided at one end of the template, each of the mold cavities is provided with a first water inlet hole and a second water inlet hole, the first water inlet hole is located at one end of the mold cavity close to the water inlet, the second water inlet hole is located at one end of the mold cavity away from the water inlet, an annular water channel is provided on the outside of each of the bottom molds, the water inlet of the annular water channel corresponds to the first water inlet hole, and the other end of the annular water channel corresponds to the second water inlet hole, a spiral water channel is provided on the outside of each of the mold cavities, the water inlet of the spiral water channel corresponds to the second water inlet hole, and a water outlet hole is provided at the water outlet end of the spiral water channel.

[0006] The coolant is transported to the first water inlet hole on the mold cavity through the water inlet channel on the template, and then transported to the second water inlet hole through the annular water channel, and transported to the spiral water channel through the second water inlet hole, so that the coolant is in full contact with the outer wall of the mold cavity, thereby avoiding excessive mold temperature that may cause poor product molding during injection.

[0007] Wherein, each of the first water inlet holes is not connected with the spiral water channel on the corresponding mold cavity, and each of the second water inlet holes is connected with the spiral water channel on the corresponding mold cavity.

[0008] The first water inlet hole is not connected to the spiral water channel, so that the coolant is transported to the spiral water channel through the second water inlet hole, thereby preventing the coolant from flowing back through the first water inlet hole and interfering with the transport of the coolant.

[0009] Among them, a first water channel and a second water channel are arranged between every two of the installation grooves, the first water channel is located between the first water inlet hole and the second water inlet hole on two adjacent mold cavities, and the second water channel is located between the bottoms of the spiral water channels on two adjacent mold cavities.

[0010] The cooling liquid between every two adjacent mold cores flows through the first water channel and the second water channel on the mold plate.

[0011] Among them, an air channel is also provided on the template, air holes are provided at both ends of each mold cavity, and air paths are provided at both ends of each bottom mold, the air channels correspond to the air holes, and the air holes correspond to the air channels. An annular air groove is also provided on the outside of each bottom mold, and the annular air groove corresponds to the end of the air path. A blowing gap is provided between each mold cavity and the bottom mold, and the blowing gap corresponds to the annular air groove.

[0012] Gas is transported into the mold core through the air channel, so that the gas is transported to the air path of the bottom mold through the air holes on the mold cavity, and then transported to the annular air groove through the air path, so that force is applied to the product in the mold cavity through the blowing gap between the mold cavity and the bottom mold, thereby achieving demolding.

[0013] Wherein, an air passage is further provided between every two of the mounting grooves, and the air passage is located between the air holes of two adjacent mold cavities.

[0014] The air passage is disposed between every two of the mounting grooves, and the gas between every two adjacent mold cores is transported to the air holes of the corresponding mold cavity through the air passage.

[0015] A combined multi-group cooling and exhaust mold core of the present invention comprises a template and a plurality of mold cores, each of the mold cores comprises a mold cavity and a bottom mold, a water inlet is provided at one end of the template, a first water inlet hole and a second water inlet hole are provided on each mold cavity, an annular water channel is provided on the outside of each bottom mold, a spiral water channel is provided on the outside of each mold cavity, a water inlet of the spiral water channel corresponds to the second water inlet hole, coolant is transported to the first water inlet hole on the mold cavity through the water inlet on the template, and then transported to the second water inlet hole through the annular water channel, and then transported to the spiral water channel through the second water inlet hole, so that the coolant is in full contact with the outer wall of the mold cavity, thereby avoiding excessive mold temperature which may cause poor product molding during injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the internal structure of the combined multi-group cooling and exhaust mold core provided by the present invention.

[0018] Figure 2 It is a cross-sectional view of the internal structure of the mold core provided by the present invention.

[0019] Figure 3 It is a structural schematic diagram of the mold cavity provided by the present invention.

[0020] Figure 4 It is a structural schematic diagram of the bottom mold provided by the present invention.

[0021] 1-template, 2-core, 3-installation groove, 4-mold cavity, 5-bottom mold, 6-water inlet, 7-first water diversion hole, 8-second water diversion hole, 9-annular water channel, 10-spiral water channel, 11-water outlet, 12-first water channel, 13-second water channel, 14-air channel, 15-air hole, 16-air path, 17-annular air groove, 18-blowing gap, 19-air path channel, 20-positioning groove, 21-positioning block. DETAILED DESCRIPTION

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0024] See also Figures 1 to 4 The present invention provides a combined multi-group cooling core with exhaust, comprising a template 1 and a plurality of cores 2, wherein the template 1 is provided with a plurality of mounting grooves 3, each of the mounting grooves 3 is provided with the core 2, each of the cores 2 comprises a mold cavity 4 and a bottom mold 5, the bottom mold 5 is connected with the mold cavity 4 by snapping, and is located at the bottom of the mold cavity 4, a water inlet 6 is provided at one end of the template 1, each of the mold cavities 4 is provided with a first water inlet hole 7 and a second water inlet hole 8, the first water inlet hole 7 is located at the mold cavity 4 Close to one end of the water inlet 6, the second water inlet hole 8 is located at the end of the mold cavity 4 away from the water inlet 6, and an annular water channel 9 is arranged on the outside of each of the bottom molds 5, and the water inlet of the annular water channel 9 corresponds to the first water inlet hole 7, and the other end of the annular water channel 9 corresponds to the second water inlet hole 8. A spiral water channel 10 is arranged on the outside of each of the mold cavities 4, and the water inlet of the spiral water channel 10 corresponds to the second water inlet hole 8, and a water outlet hole 11 is arranged at the water outlet end of the spiral water channel 10.

[0025] In this embodiment, the coolant is transported to the first water inlet hole on the mold cavity 4 through the water inlet channel 6 on the template 1, and then transported to the second water inlet hole through the annular water channel 9, and transported to the spiral water channel 10 through the second water inlet hole, so that the coolant is in full contact with the outer wall of the mold cavity 4, thereby avoiding excessive mold temperature that may cause poor product molding during injection.

[0026] Furthermore, each of the first water inlet holes 7 is not connected to the spiral water channel 10 on the corresponding mold cavity 4 , and each of the second water inlet holes 8 is connected to the spiral water channel 10 on the corresponding mold cavity 4 .

[0027] In this embodiment, the first water inlet hole 7 is not connected to the spiral water channel 10, so that the coolant is transported to the spiral water channel 10 through the second water inlet hole 8, thereby preventing the coolant from flowing back through the first water inlet hole 7 and interfering with the transportation of the coolant.

[0028] Furthermore, a first water channel 12 and a second water channel 13 are arranged between every two of the mounting grooves 3, the first water channel 12 is located between the first water inlet hole 7 and the second water inlet hole 8 on two adjacent mold cavities 4, and the second water channel 13 is located between the bottoms of the spiral water channels 10 on two adjacent mold cavities 4.

[0029] In this embodiment, the coolant between every two adjacent mold cores 2 flows through the first water channel 12 and the second water channel 13 on the mold plate 1 .

[0030] Furthermore, an air channel 14 is provided on the template 1, air holes 15 are provided at both ends of each of the mold cavities 4, and air paths 16 are provided at both ends of each of the bottom molds 5, the air channels 14 correspond to the air holes 15, and the air holes 15 correspond to the air channels 14, and an annular air groove 17 is provided on the outside of each of the bottom molds 5, and the annular air groove 17 corresponds to the end of the air path 16, and a blowing gap 18 is provided between each of the mold cavities 4 and the bottom molds 5, and the blowing gap 18 corresponds to the annular air groove 17, and an air path channel 19 is provided between every two of the mounting grooves 3, and the air path channel 19 is located between the air holes 15 of two adjacent mold cavities 4.

[0031] In this embodiment, gas is transported into the mold core 2 through the air duct 14, so that the gas is transported to the air path 16 of the bottom mold 5 through the air hole 15 on the mold cavity 4, and then transported to the annular air groove 17 through the air path 16, so that force is applied to the product in the mold cavity 4 through the blowing gap 18 between the mold cavity 4 and the bottom mold 5, thereby achieving demolding. The air path channel 19 is provided between every two mounting grooves 3, and the gas between every two adjacent mold cores 2 is transported to the corresponding air hole 15 of the mold cavity 4 through the air path channel 19.

[0032] Furthermore, a positioning groove 20 is provided at the end of each installation groove 3 , and a positioning block 21 is provided on each mold cavity 4 , and the positioning groove 20 corresponds to the positioning block 21 .

[0033] In this embodiment, the positioning groove 20 is provided at the end of the installation groove 3 , and the positioning block 21 is provided on the mold cavity 4 , so that it is more convenient to install the mold core 2 .

[0034] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A combined multi-group cooling and exhaust core, characterized in that: It comprises a template and a plurality of mold cores, wherein the template is provided with a plurality of installation grooves, each of the installation grooves is provided with the mold core, each of the mold cores comprises a mold cavity and a bottom mold, the bottom mold is snap-connected with the mold cavity and is located at the bottom of the mold cavity, a water inlet is provided at one end of the template, a first water diversion hole and a second water diversion hole are provided on each of the mold cavities, the first water diversion hole is located at one end of the mold cavity close to the water inlet, the second water diversion hole is located at one end of the mold cavity away from the water inlet, an annular water channel is provided on the outside of each of the bottom molds, the water inlet of the annular water channel corresponds to the first water diversion hole, and the other end of the annular water channel corresponds to the second water diversion hole, a spiral water channel is provided on the outside of each of the mold cavities, the water inlet of the spiral water channel corresponds to the second water diversion hole, and a water outlet hole is provided on the water outlet end of the spiral water channel; Each of the first water inlet holes is not connected with the spiral water channel on the corresponding mold cavity, and each of the second water inlet holes is connected with the spiral water channel on the corresponding mold cavity. A first water channel and a second water channel are arranged between every two of the mounting grooves, and the first water channel is located between the first water inlet hole and the second water inlet hole on two adjacent mold cavities, and the second water channel is located between the bottoms of the spiral water channels on two adjacent mold cavities. An air channel is also arranged on the template, and air holes are arranged at both ends of each of the mold cavities, and air paths are arranged at both ends of each of the bottom molds, and the air channels correspond to the air holes, and the air holes correspond to the air channels. An annular air groove is also arranged on the outside of each of the bottom molds, and the annular air groove corresponds to the end of the air path. A blowing gap is arranged between each of the mold cavities and the bottom mold, and the blowing gap corresponds to the annular air groove.

2. The combined multi-group cooling and exhaust core according to claim 1, characterized in that: An air passage is also provided between every two of the mounting grooves, and the air passage is located between the air holes of two adjacent mold cavities.

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