Multi-cavity mold structure
By designing a multi-cavity structure and circular array flow channels on the moving mold platform, the problem of low production efficiency of multi-layer vertical flow channel molds is solved, and the convenience of simultaneous injection and unloading of multiple materials is achieved, ensuring product consistency.
Patent Information
- Application Number
- CN202423254535.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-28
AI Technical Summary
Existing multi-layer vertical runner molds have low production efficiency during injection molding, requiring multiple mold disassembly steps to remove materials, resulting in high complexity.
It adopts a multi-cavity structure on the moving mold platform, including an outer mold cavity, a first runner, a second runner, a third runner, and a circular groove. The runners are arranged in a circular array, which enables multiple materials to be injected at the same time and facilitates material ejection.
It enables simultaneous injection molding of multiple materials on the same horizontal plane, resulting in consistent product appearance and dimensions, simplifying the material removal process and improving production efficiency.
Smart Images
Figure CN223589957U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mould technical field, concretely related to a kind of multi-cavity mould structure. BACKGROUND
[0002] The use of mould plays a vital role in manufacturing industry, which can control the product of the required shape by injection molding and the cooperation between the fixed mold table and the movable mold table, and the product meeting the design standard can be efficiently and accurately produced by controlling the shape and size of the mold.
[0003] According to patent announcement No.CN215396607U, announcement date:2022-01-04 discloses a flow channel structure of multi-cavity mold, comprising: main flow channel, the main flow channel is used for injecting material;Outer layer flow channel wrapped in the outer peripheral side of the lower end of the main flow channel, the bottom of the main flow channel is communicated with the bottom of the outer layer flow channel;Upper layer flow channel, the upper layer flow channel is communicated with the outer layer flow channel;Lower layer flow channel, the lower layer flow channel is communicated with the bottom of the main flow channel through the connecting flow channel.
[0004] In the prior art including the above patent, by setting multiple layers of flow channels in the vertical direction, the multi-cavity mold can be injection molded to produce more products in a single injection molding. However, the multiple layers of flow channels in the vertical direction have very high complexity in use, which requires multiple molds to be stacked and matched, and at the same time, the multiple molds still need to be sequentially disassembled for material removal during material pushing, which greatly reduces the production efficiency of such multi-layer injection molding flow channels and stacked multiple molds. SUMMARY
[0005] The utility model aims at providing a kind of multi-cavity mould structure, utilize the multi-cavity structure on single movable mold table, to realize the simultaneous production of multiple materials when single injection molding, it is convenient for the operation of material withdrawal.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multi-cavity mold structure, comprising a movable mold table and a plurality of outer mold cavities located thereon, and the plurality of outer mold cavities are arranged in a circular array, a first flow channel and a second flow channel are formed in the movable mold table and are in communication with each other, and the first flow channel is connected to the outer mold cavities, a circular groove is formed in the movable mold table, and a third flow channel is connected to the circular groove and arranged in a circular array, and the third flow channel is connected to the second flow channel.
[0007] It further comprises an outer material piece, a first partition rib, a second partition rib, a third partition rib and a core piece sequentially formed in the outer mold cavities, the first flow channel, the second flow channel, the third flow channel and the circular groove.
[0008] As preferred, the mold structure comprises a plurality of middle mold cavities arranged in a circular array on the movable die table, and the middle mold cavities are respectively communicated with the first runners, and the middle parts are formed by injection molding in the middle mold cavities.
[0009] As preferred, the middle mold cavities and the outer mold cavities are symmetrically arranged on opposite sides of the first runners.
[0010] As preferred, the second runner is arranged between every two first runners, and two ends of the second runner are respectively communicated with the adjacent two first runners.
[0011] As preferred, the mold structure comprises a plurality of inner mold cavities arranged in a circular array on the movable die table, and the movable die table is provided with fourth runners arranged in a circular array and communicated with the inner mold cavities and the third runners at two ends, and the inner parts and the fourth partition ribs are sequentially formed by injection molding in the inner mold cavities and the fourth runners.
[0012] As preferred, the movable die table is provided with first perforations arranged in a circular array, and the first perforations are respectively located at the communication positions of the second runners and the third runners.
[0013] As preferred, the movable die table is provided with second perforations, and the second perforations are located in the circular grooves.
[0014] In the above technical solution, the multi-cavity mold structure provided by the utility model has the following beneficial effects: the plurality of outer mold cavities are located on the same horizontal plane, and then the first runner, the second runner and the third runner are used to simultaneously communicate the plurality of outer mold cavities with the circular groove, so that the injection molding of the plurality of parts can be completed on the same horizontal plane, and the circular array arrangement of the outer mold cavities can make the appearance and size of the products formed by the plurality of outer parts consistent. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0016] Figure 1 The overall structure schematic view provided by the embodiment of the utility model;
[0017] Figure 2 The movable die table structure schematic view provided by the embodiment of the utility model;
[0018] Figure 3 The outer part structure schematic view provided by the embodiment of the utility model;
[0019] Figure 4The A place amplification structure schematic view provided by the embodiment of the utility model.
[0020] Mark explanation:
[0021] 1, movable die table; 2, second perforation; 3, outer material piece; 11, circular groove; 12, third runner; 13, second runner; 14, first runner; 15, outer mold cavity; 16, middle mold cavity; 17, inner mold cavity; 18, fourth runner; 21, first perforation; 31, middle material piece; 32, inner material piece; 33, first partition; 34, second partition; 35, third partition; 36, fourth partition; 37, core piece. Specific implementation
[0022] In order to make the skilled in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below with the drawings.
[0023] As Figures 1-4 The utility model discloses a multi-cavity mold structure, including movable die table 1 and the multiple outer mold cavity 15 on it, and multiple outer mold cavity 15 is circular array arrangement, and movable die table 1 is provided with the first runner 14 and second runner 13 that are communicated with each other, and the first runner 14 is communicated with outer mold cavity 15, and movable die table 1 is provided with circular groove 11 and the third runner 12 that are communicated with circular groove 11 and are circular array arrangement, and the third runner 12 is communicated with second runner 13.
[0024] Still include injection in outer mold cavity 15, first runner 14, and second runner 13, third runner 12 and circular groove 11 sequentially formed outer material piece 3, first partition 33, second partition 34, third partition 35 and core piece 37. Through multiple outer mold cavity 15 is located on the same horizontal plane, and then cooperate first runner 14, and second runner 13, third runner 12 to make multiple outer mold cavity 15 simultaneously communicated with circular groove 11, and then facilitate the injection molding of multiple pieces in the same horizontal plane layer, and the circular array arrangement of outer mold cavity 15 can make the product appearance, size consistent of multiple outer material pieces 3 formed by injection molding.
[0025] As the further provided technical scheme of the utility model, including multiple middle mold cavities 16 that are circular array arrangement and are provided on movable die table 1, and middle mold cavity 16 is communicated with first runner 14 respectively, still include injection in middle mold cavity 16 and form middle material piece 31.
[0026] Specifically, by utilizing the middle model cavities 16 respectively communicated with the first flow channels 14, and then when the first flow channels 14 are used to injection mold the outer model cavities 15, the first flow channels 14 also simultaneously injection mold the middle model cavities 16 at this time, and the middle model cavities 16 are arranged in a circular array, so that the multiple middle model cavities 16 can be simultaneously injection molded, thereby making the appearances and sizes of the products formed in the middle model cavities 16 consistent.
[0027] Further, the middle model cavities 16 and the outer model cavities 15 are located on opposite sides of the first flow channels 14 and are symmetrically arranged.
[0028] Specifically, as shown in Figure 2 , the middle model cavities 16 and the outer model cavities 15 are the same shape, and then when the first flow channels 14 simultaneously injection mold the middle model cavities 16 and the outer model cavities 15, the speed of the injection liquid flowing between the middle model cavities 16 and the outer model cavities 15 along the first flow channels 14 is synchronized at this time, thereby making the appearances and sizes of the products formed between the middle model cavities 16 and the outer model cavities 15 consistent.
[0029] Further, the second flow channels 13 are located between every two first flow channels 14, and the two ends of the second flow channels 13 are respectively communicated with the adjacent two first flow channels 14.
[0030] Specifically, as shown in Figure 2 , the number of the middle model cavities 16 and the outer model cavities 15 is one time of the number of the second flow channels 13, and the distances from the first flow channels 14 at the two ends of the second flow channels 13 to the third flow channels 12 through the second flow channels 13 are the same, so that when the third flow channels 12 are used to injection mold the second flow channels 13, the flow rates of the first flow channels 14 at the two ends of the second flow channels 13 are the same at this time, thereby reducing the use of the third flow channels 12, and using the third flow channels 12 to simultaneously injection mold two middle model cavities 16 and two outer model cavities 15, and the flow rates of the injection between the two middle model cavities 16 and the two outer model cavities 15 communicated with the third flow channels 12 are respectively the same, thereby making the appearances and sizes of the outer material parts 3 and the middle material parts 31 formed by the third flow channels 12 consistent, and reducing the generation of waste materials.
[0031] Further, the movable die table 1 comprises multiple inner model cavities 17 arranged in a circular array and opened on the movable die table 1, and the fourth flow channels 18 arranged in a circular array and opened on the movable die table 1, and the two ends of the fourth flow channels 18 are respectively communicated with the inner model cavities 17 and the third flow channels 12, and the movable die table 1 further comprises the inner material parts 32 and the fourth partition ribs 36 sequentially formed by injection molding in the inner model cavities 17 and the fourth flow channels 18.
[0032] Specifically, the inner mold cavity 17 is communicated with the third flow channel 12 through the fourth flow channel 18, and then the third flow channel 12 can simultaneously inject the inner mold cavity 17 and the two middle mold cavities 16 and the two outer mold cavities 15, and the inner mold cavities 17 are arranged in a circular array, so that the appearance and size of the inner material 32 formed by injecting the inner mold cavities 17 are consistent, and the shapes of the inner mold cavities 17, the middle mold cavities 16 and the outer mold cavities 15 are consistent.
[0033] Further, the first perforation 21 arranged in a circular array is arranged on the movable die table 1, and the first perforation 21 is located at the communication position of the second flow channel 13 and the third flow channel 12.
[0034] Specifically, by using the plurality of first perforations 21 arranged in a circular array arranged on the movable die table 1, the mold ejector pin can push out the material at the communication position of the second partition 34 and the third partition 35 formed by the second flow channel 13 and the third flow channel 12, and the second partition 34 and the first partition 33 can simultaneously take out the outer material 3 and the middle material 31 at both ends of the second flow channel 13.
[0035] Further, the second perforation 2 is arranged on the movable die table 1, and the second perforation 2 is located in the circular groove 11.
[0036] Specifically, the mold ejector pin pushes the core 37 in the circular groove 11 along the second perforation 2, so as to cooperate with the third partition 35 and the fourth partition 36 in the third flow channel 12 and the fourth flow channel 18 to take out the inner material 32 in the inner mold cavity 17.
[0037] Working principle: the movable die table 1 is close to the fixed die table, then the circular groove 11 between the movable die table 1 and the fixed die table is injected by the injection molding machine, then the injection liquid flows into the fourth flow channel 18, the middle mold cavity 16 and the outer mold cavity 15 along the third flow channel 12, the second flow channel 13 and the first flow channel 14, so as to form the outer material 3, the middle material 31 and the inner material 32, and the outer material 3, the middle material 31 and the inner material 32 are located on the same horizontal plane to facilitate material removal, and the circular array of the fourth flow channel 18, the middle mold cavity 16 and the outer mold cavity 15 can better make the appearance and size of the outer material 3, the middle material 31 and the inner material 32 consistent.
[0038] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above description and drawings are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present application.
Claims
1. A multi-cavity mold structure, characterized by, The injection mold comprises a movable mold base (1) and a plurality of outer mold cavities (15) arranged in a circular array on the movable mold base (1), the movable mold base (1) is provided with a first flow channel (14) and a second flow channel (13) which are communicated with each other, and the first flow channel (14) is communicated with the outer mold cavities (15), the movable mold base (1) is provided with a circular groove (11) and a third flow channel (12) which is communicated with the circular groove (11) and arranged in a circular array, and the third flow channel (12) is communicated with the second flow channel (13). The injection mold further comprises outer material parts (3), first partition ribs (33), second partition ribs (34), third partition ribs (35) and core parts (37) which are sequentially formed in the outer mold cavities (15), the first flow channel (14), the second flow channel (13), the third flow channel (12) and the circular groove (11) by injection molding.
2. A multi-cavity mold structure according to claim 1, wherein The injection mold comprises a plurality of middle mold cavities (16) which are arranged in a circular array on the movable mold base (1) and communicated with the first flow channel (14) respectively, and the middle material parts (31) are formed in the middle mold cavities (16) by injection molding.
3. A multi-cavity mold structure according to claim 2, wherein The middle mold cavities (16) and the outer mold cavities (15) are arranged on opposite sides of the first flow channel (14) and symmetrically.
4. A multi-cavity mold structure according to claim 1, wherein The second flow channel (13) is located between every two first flow channels (14), and the two ends of the second flow channel (13) are communicated with the adjacent two first flow channels (14) respectively.
5. A multi-cavity mold structure according to claim 1, wherein The injection mold comprises a plurality of inner mold cavities (17) which are arranged in a circular array on the movable mold base (1), and the movable mold base (1) is provided with a fourth flow channel (18) which is communicated with the inner mold cavities (17) and the third flow channel (12) and arranged in a circular array, and the inner material parts (32) and the fourth partition ribs (36) are sequentially formed in the inner mold cavities (17) and the fourth flow channel (18) by injection molding.
6. A multi-cavity mold structure according to claim 1, wherein The movable mold base (1) is provided with first perforations (21) which are arranged in a circular array and located at the communication positions of the second flow channel (13) and the third flow channel (12) respectively.
7. A multi-cavity mold structure according to claim 1, wherein The movable mold base (1) is provided with second perforations (2) which are located in the circular groove (11).