Splitter plate and injection mold
By setting up rounded corners on the splitter plate and using fixtures, the material problems caused by the sharp corners and dead corners of the runner are solved, the quality and production efficiency of injection molded products are improved, the processing process is simplified and the cost is reduced.
Patent Information
- Application Number
- CN202422284681.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-19
AI Technical Summary
The runners of existing diverter plates are prone to sharp corners and blind corners during processing, resulting in broken glass fiber materials and carbonized materials, and the product has yellow, black and black marks and black marks. The insert structure is complex, the processing process is cumbersome, and maintenance is difficult.
A diverter plate is designed, and the runner insert is connected in rounded corners and is fixed to the main body of the diverter plate through a fixing member to avoid the formation of sharp corners and blind corners. At the same time, the insert structure is simplified and the quick disassembly and assembly is facilitated.
The quality of injection molded products is improved, the glass fiber material breakage and material carbonization is avoided, the processing process is simplified, the cost is reduced, and the production efficiency is improved.
Smart Images
Figure CN223199444U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hot runners, in particular to a diverter plate and an injection mold. Background Art
[0002] Hot runner systems are widely used in plastic mold production. During injection molding, the smoothness of the molten fluid flowing through the hot runner affects the molten fluid's flow rate, and thus, the efficiency of the injection molding process. The manifold, also known as the hot runner manifold, is the central component of the hot runner system. It distributes the plastic melt from the main nozzle through the runners to the various injection nozzles. The manifold ensures uniform filling of the mold cavity, balanced plastic flow, and thermal balance in the system. The smoothness of the manifold's flow path is crucial, and therefore, the machining of the manifold's internal runner holes is crucial to the hot runner system.
[0003] In the prior art, the flow channels of the manifold are processed by drilling technology. The arrangement of the near-point positions of different products varies, and the flow channels have different directions. In order to achieve balanced glue discharge, the flow channel connection positions are processed with favorable angles, and the flow channel transitions and splicing positions have dead angles. Sharp angles and dead angles affect the molding, stress strength, and appearance of the product. When a sharp angle is formed at the flow channel transition and splicing position, the glass fiber material contained in the molten plastic will break, affecting the strength of the product. The dead angle of the flow channel will carbonize the plastic material in the heated manifold, and the product will be prone to problems such as yellowing, black lines, and black spots.
[0004] Therefore, there is an urgent need for a diverter plate and an injection mold to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide a diverter plate and an injection mold, which can avoid the problems of sharp corners in the flow channel that easily cause the glass fiber in the glass-containing material to break, dead corners in the flow channel that cause the material to carbonize, the product to turn yellow and black, and black lines and spots; at the same time, the flow channel insert is fixed to the diverter plate body by fixing parts, which facilitates the rapid disassembly and assembly of the flow channel insert and the diverter plate body, thereby simplifying the insert structure, simplifying the processing flow, reducing costs, improving production efficiency and facilitating maintenance and replacement.
[0006] To achieve the above objectives, the following technical solutions are provided:
[0007] Manifold, including:
[0008] The main body of the diverter plate is provided with a main channel and at least one diverter channel;
[0009] A flow channel insert is provided with a first flow channel and at least one second flow channel connected to the first flow channel, the first flow channel and the second flow channel are connected at a rounded corner, the first flow channel is connected to the main flow channel, the branch flow channels are provided in a one-to-one correspondence with the second flow channels, and the second flow channels are connected to the corresponding branch flow channels;
[0010] The fixing member is configured to fix the flow channel insert on the diverter plate body.
[0011] As an optional solution, the flow channel insert includes a first part and a second part that are connected to each other, the first flow channel and the second flow channel are arranged on the first part, and a waste receiving groove is opened on the outer peripheral surface of the second part.
[0012] As an optional solution, the runner insert further includes a third portion, which is arranged on a side of the second portion away from the first portion, and a diameter of the third portion is greater than a diameter of the second portion.
[0013] As an optional solution, the third part is provided with a waste drainage groove, which extends along the axial direction of the flow channel insert and is connected to the waste receiving groove.
[0014] As an optional solution, the fixing member is provided with a material receiving trough, and the material receiving trough is connected to the waste drainage trough.
[0015] As an optional solution, the fixing member is provided with a discharge hole, and the discharge hole is communicated with the material receiving trough.
[0016] As an optional solution, there are multiple waste drainage grooves, and the multiple waste drainage grooves are arranged at intervals on the circumference of the third part.
[0017] As an optional solution, the flow channel insert is provided with a fool-proof structure.
[0018] As an optional solution, the fixing member is detachably connected to the diverter plate body.
[0019] The injection mold includes the above-mentioned manifold.
[0020] Compared with the prior art, the beneficial effects of the present invention are:
[0021] The diverter plate provided by the present invention is provided with a flow channel insert on the diverter plate body, and a first flow channel and at least one second flow channel are provided on the flow channel insert. The first flow channel is connected to the main flow channel, the diverter channel and the second flow channel are provided in a one-to-one correspondence, and the second flow channel is connected to the corresponding diverter channel. The transition between the first flow channel and the second flow channel is rounded to avoid sharp corners in the flow channel, which may easily cause the glass fiber in the glass fiber-containing material to break, and dead corners in the flow channel to cause carbonization of the material, yellowing and blackening of the product, and the appearance of black lines and black spots. At the same time, the flow channel insert is fixed to the diverter plate body by a fixing part, which facilitates the rapid disassembly and assembly of the flow channel insert and the diverter plate body, thereby simplifying the insert structure, simplifying the processing flow, reducing costs, improving production efficiency, and facilitating maintenance and replacement.
[0022] The injection mold provided by the utility model improves the quality of injection molded products by applying the above-mentioned diverter plate, avoids the problems of sharp corners in the flow channel that easily cause the glass fiber in the glass-fiber-containing material to break, dead corners in the flow channel that cause carbonization of the material, yellowing and blackening of the product, and the appearance of black lines and black spots; the flow channel insert has a simple structure, simplifies the processing process, reduces costs, and has high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the description of the embodiments of the present invention. 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 the contents of the embodiments of the present invention and these drawings without paying any creative work.
[0024] Figure 1 One of the structural schematic diagrams of the diverter plate provided in an embodiment of the utility model;
[0025] Figure 2 The second structural diagram of the diverter plate provided in the embodiment of the utility model;
[0026] Figure 3 for Figure 1 Cross-sectional view at AA in the middle;
[0027] Figure 4 This is a schematic structural diagram of the flow channel insert provided in an embodiment of the present utility model.
[0028] Reference numerals:
[0029] 100, manifold;
[0030] 10. Diverter plate body; 11. Main channel; 12. Diverter channel;
[0031] 20. Runner insert; 21. First portion; 211. First runner; 212. Second runner; 22. Second portion; 221. Waste collection groove; 23. Third portion; 231. Waste drainage groove; 24. Abutment portion;
[0032] 30. Fixing parts; 31. Discharge hole. DETAILED DESCRIPTION
[0033] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.
[0034] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply 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 a limitation on this application.
[0035] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.
[0036] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.
[0037] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.
[0038] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.
[0039] In the prior art, the flow channels of the manifold are processed by drilling technology. The arrangement of the near-point positions of different products varies, and the flow channels have different directions. In order to achieve balanced glue discharge, the flow channel connection positions are processed with favorable angles, and the flow channel transitions and splicing positions have dead angles. Sharp angles and dead angles affect the molding, stress strength, and appearance of the product. When a sharp angle is formed at the flow channel transition and splicing position, the glass fiber material contained in the molten plastic will break, affecting the strength of the product. The dead angle of the flow channel will carbonize the plastic material in the heated manifold, and the product will be prone to problems such as yellowing, black lines, and black spots.
[0040] In order to solve the above problems, Figure 1-Figure 3 As shown, this embodiment provides a manifold 100, which includes a manifold body 10, a flow channel insert 20, and a fixing member 30. The manifold body 10 is provided with a main flow channel 11 and two branch flow channels 12. The flow channel insert 20 is provided with a first flow channel 211 and two second flow channels 212 connected to the first flow channel 211. The transition between the first flow channel 211 and the second flow channel 212 is rounded. The first flow channel 211 is connected to the main flow channel 11, and the branch flow channels 12 are arranged in a one-to-one correspondence with the second flow channels 212, and the second flow channels 212 are connected to the corresponding branch flow channels 12. The fixing member 30 is configured to fix the flow channel insert 20 to the manifold body 10. In other embodiments, the number of second flow channels 212 can also be one, three, or more, which can be adaptively selected according to actual needs.
[0041] By arranging a flow channel insert 20 on the manifold main body 10, and arranging a first flow channel 211 and at least one second flow channel 212 on the flow channel insert 20, the first flow channel 211 is connected to the main flow channel 11, the branch flow channel 12 and the second flow channel 212 are arranged one by one, and the second flow channel 212 is connected to the corresponding branch flow channel 12, and the transition between the first flow channel 211 and the second flow channel 212 is rounded to avoid the sharp corners of the flow channel easily causing the glass fiber in the glass fiber-containing material to break, and to avoid the dead corners of the flow channel causing carbonization of the material, yellowing and blackening of the product, and the appearance of black lines and spots, thereby improving the product quality of the hot runner, improving the efficiency of injection molding, and reducing the maintenance cycle of the mold; at the same time, the flow channel insert 20 is fixed to the manifold main body 10 by the fixing part 30, which is convenient for the quick disassembly and assembly of the flow channel insert 20 and the manifold main body 10, thereby simplifying the insert structure, simplifying the processing flow, reducing costs, improving production efficiency, and facilitating maintenance and replacement.
[0042] It should be noted that the runner insert 20 is a semi-finished product before being assembled on the manifold body 10. The first runner 211 has been processed, while the second runner 212 requires the runner insert 20 containing the first runner 211 to be assembled on the corresponding position of the manifold 100. After the runner insert 20 is fixed by the fixing part 30, the second runner 212 is processed according to the angle between the two runners. The second runner 212 is drilled through the runner adapter insert through the manifold body 10, thus ensuring the integrity of the runner and making the runner splicing position without a break. A special chamfering tool is used to perform rounded transition processing between the first runner 211 and the second runner 212, so that the corner position between the first runner 211 and the second runner 212 is smooth and has no sharp corners, thereby preventing the glass fiber-containing material from breaking and affecting the strength of the injection molded product. After the runner insert 20 and the manifold body 10 are processed, the runner insert 20 is removed and the runner walls of the first runner 211 and the second runner 212 are polished using a runner fixture to make the runner walls smooth and clean. After the runner insert 20 is assembled on the manifold body 10, there is no dead angle. When the hot runner system is heated for injection molding, the runner in the manifold 100 is clean without dead angles or sharp corners.
[0043] Optionally, the fixing member 30 is detachably connected to the diverter plate body 10, so as to facilitate quick disassembly of the flow channel insert 20 and the diverter plate body 10. Specifically, the fixing member 30 is threadedly connected to the diverter plate body 10.
[0044] Alternatively, as Figures 1-4As shown, the runner insert 20 includes a first part 21 and a second part 22 that are connected to each other, the first runner 211 and the second runner 212 are arranged on the first part 21, and a waste receiving groove 221 is opened on the outer peripheral surface of the second part 22. Since there is a fitting gap between the runner insert 20 and the manifold body 10, waste may exist in the above-mentioned fitting gap during injection molding, causing the product surface to turn black. The waste is collected and stored by the waste receiving groove 221, and is regularly disassembled and cleaned, thereby solving the problem of black lines and spots on the product surface during injection molding.
[0045] Optionally, the waste receiving groove 221 is arc-shaped, and the arc-shaped waste receiving groove 221 is easy to process and easy to clean.
[0046] Optionally, the runner insert 20 also includes a third part 23, which is arranged on the side of the second part 22 away from the first part 21. The diameter of the third part 23 is larger than the diameter of the second part 22. Since the diameter of the third part 23 is larger than the second part 22, it is convenient to seal the waste in the above-mentioned fitting gap in the waste receiving groove 221.
[0047] Optionally, the third part 23 is provided with a waste drainage groove 231, which extends along the axial direction of the flow channel insert 20, and the waste drainage groove 231 is connected to the waste receiving groove 221 to drain the waste in the waste receiving groove 221 to the waste drainage groove 231.
[0048] Furthermore, there are a plurality of waste drainage grooves 231 , and the plurality of waste drainage grooves 231 are arranged at intervals on the circumference of the third portion 23 .
[0049] Optionally, the fixing member 30 is provided with a material receiving trough, which is connected to the waste drainage trough 231, wherein the material receiving trough is provided on the mating surface between the fixing member 30 and the third part 23 to drain the waste in the waste collection and drainage trough to the material receiving trough.
[0050] Optionally, the fixing member 30 is provided with a discharge hole 31 , which is communicated with the receiving trough. The discharge hole 31 is a through hole that passes through the fixing member 30 to discharge the waste material out of the diverter plate body 10 .
[0051] Optionally, a collection box is provided at the bottom of the diverter plate 100 to collect waste materials discharged from the discharge holes 31 , making the system clean, tidy and beautiful.
[0052] Optionally, the runner insert 20 is provided with an anti-fool structure, which can prevent step differences from occurring at the runner joints, thereby affecting the molding effect of the injection molded product.
[0053] For example, the foolproof structure includes a foolproof groove and a foolproof protrusion. The foolproof groove is provided on the flow channel insert 20, and the foolproof protrusion is provided on the manifold body 10. The foolproof protrusion engages with the foolproof groove. In other embodiments, the foolproof protrusion may be provided on the flow channel insert 20, and the foolproof groove may be provided on the manifold body 10. It should be noted that the foolproof structure can also take other forms and is not limited to this embodiment.
[0054] Optionally, an abutting portion 24 is provided on one side of the first portion 21 away from the second portion 22 , and the abutting portion 24 abuts against the manifold body 10 . The abutting portion 24 is truncated cone-shaped to facilitate the abutment between the flow channel insert 20 and the manifold body 10 .
[0055] This embodiment also provides an injection mold, which includes the above-mentioned diverter plate 100, which improves the quality of the injection molded product, avoids the problems of sharp corners in the flow channel that easily cause the glass fiber in the glass-fiber-containing material to break, dead corners in the flow channel that cause carbonization of the material, yellowing and blackening of the product, and the appearance of black lines and spots; the flow channel insert 20 has a simple structure, simplifies the processing process, reduces costs, and has high production efficiency.
[0056] Note that throughout this specification, references to terms such as "some embodiments" and "other embodiments" indicate that the specific features, structures, materials, or characteristics described in conjunction with those embodiments or examples are included in at least one embodiment or example of the present invention. Throughout this specification, the schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be incorporated in any suitable manner in any one or more embodiments or examples.
[0057] The above are merely preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments, and substitutions are readily apparent to those skilled in the art without departing from the scope of the present invention. Therefore, while the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments and may include other equivalent embodiments without departing from the spirit of the present invention. The scope of the present invention is determined by the appended claims.
Claims
1. A manifold, characterized in that: include: The main body (10) of the diverter plate is provided with a main channel (11) and at least one diverter channel (12); A flow channel insert (20) is provided with a first flow channel (211) and at least one second flow channel (212) connected to the first flow channel (211); the first flow channel (211) and the second flow channel (212) are connected at a rounded corner; the first flow channel (211) is connected to the main flow channel (11); the branch flow channel (12) and the second flow channel (212) are provided in a one-to-one correspondence; and the second flow channel (212) is connected to the corresponding branch flow channel (12); A fixing member (30) is configured to fix the flow channel insert (20) on the manifold body (10).
2. The manifold according to claim 1, characterized in that: The flow channel insert (20) comprises a first part (21) and a second part (22) connected to each other, the first flow channel (211) and the second flow channel (212) are arranged on the first part (21), and a waste receiving groove (221) is provided on the outer peripheral surface of the second part (22).
3. The manifold according to claim 2, characterized in that: The flow channel insert (20) further comprises a third portion (23), which is arranged on a side of the second portion (22) away from the first portion (21), and a diameter of the third portion (23) is greater than a diameter of the second portion (22).
4. The manifold according to claim 3, characterized in that: The third portion (23) is provided with a waste drainage groove (231), the waste drainage groove (231) extends along the axial direction of the flow channel insert (20), and the waste drainage groove (231) is communicated with the waste receiving groove (221).
5. The manifold according to claim 4, characterized in that: The fixing member (30) is provided with a material receiving trough, and the material receiving trough is communicated with the waste drainage trough (231).
6. The manifold according to claim 5, characterized in that: The fixing member (30) is provided with a discharge hole (31), and the discharge hole (31) is communicated with the material receiving trough.
7. The manifold according to claim 4, characterized in that: There are a plurality of waste drainage grooves (231), and the plurality of waste drainage grooves (231) are arranged at intervals on the circumference of the third portion (23).
8. The manifold according to claim 1, characterized in that: The flow channel insert (20) is provided with a fool-proof structure.
9. The manifold according to any one of claims 1 to 8, characterized in that: The fixing member (30) is detachably connected to the diverter plate body (10).
10. Injection mold, characterized in that, The method comprises the diverter plate according to any one of claims 1 to 9.