Hot runner splitter plate for injection molding
By welding on the injection molding splitter, the design of forming multiple feed and discharge channels is solved, and the problem of runner accuracy and size matching in large mold cavity injection molding is achieved, and a more balanced melt splitting and high quality are achieved. injection molding effect.
Patent Information
- Application Number
- CN202421086814.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-19
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-19
AI Technical Summary
The existing injection molded splitters are difficult to ensure the accuracy of the runner in large mold cavity injection molding, resulting in hot solution accumulation and unbalanced pressure, and cannot adapt to large-area connections, resulting in difficulty in injection molding.
The melt channel formed by welding the first shunt plate and the second shunt plate is adopted, including a plurality of feed channels and a cross-shaped discharge channel, to replace the traditional deep hole drilling method to ensure balanced shunt of the melt channel.
It improves the balance performance of the hot runner, reduces product defects, improves injection molding quality, saves materials and adapts to large-area connection needs.
Smart Images
Figure CN222271111U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hot runner system components, in particular to a hot runner manifold for injection molding. Background Art
[0002] When injection molding a large mold cavity, in order to increase the injection speed and quickly inject the hot solution into the mold cavity, a diverter plate is generally used to divert the hot solution into the mold cavity through multiple holes to ensure the molding effect.
[0003] The manifold of the prior art is processed by deep hole drilling to drill out the hot runner, and then the outer opening of the runner is blocked with a plug. The runner accuracy of such a manifold is difficult to ensure, and hot solution accumulation is easy to occur, resulting in unbalanced pressure in the manifold, thereby causing pressure loss; in addition, when facing a large-volume mold cavity for injection molding, the existing manifold cannot be matched in size. In other words, the manifold of the prior art cannot be connected over a large area. Therefore, injection molding of some larger-sized mold cavities becomes difficult. Utility Model Content
[0004] The utility model aims to provide a hot runner manifold for injection molding to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical solution: a hot runner manifold for injection molding, comprising a first manifold and a second manifold, wherein the top surface of the first manifold is provided with a first molten material channel groove, and the bottom surface of the second manifold is provided with a second molten material channel groove corresponding to the first molten material channel groove;
[0006] The top surface of the first manifold plate is welded to the bottom surface of the second manifold plate, and the first molten material channel groove and the second molten material channel groove cooperate to form a molten material channel;
[0007] The melt channel is provided with a first feed channel, two second feed channels and four third feed channels, both ends of the four third feed channels are connected with a cross-shaped discharge channel, the first feed channel is connected with a feed hole, and the ends of the discharge channels are provided with discharge holes.
[0008] Preferably, the feed hole is located in the middle of the first feed channel.
[0009] Preferably, the middle parts of the two second feed channels are vertically connected to the two ends of the first feed channel.
[0010] Preferably, the middle parts of the four third feed channels are vertically connected to the two ends of the two second feed channels respectively.
[0011] Preferably, both ends of the third feed channel are connected to the middle of the discharge channel.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model sets a first diverter plate and a second diverter plate, and sets a melt channel between the two diverter plates, so that the melt channels can be processed on the first diverter plate and the second diverter plate respectively according to the injection molding requirements, replacing the traditional deep drilling method, saving materials, and the melt channel can be smoother; the melt channel of the utility model can quickly divert the injection molding melt to each discharge hole, and through the symmetrically designed feed channel and the cross-shaped discharge channel, the melt can be quickly and evenly diverted, effectively improving the balance performance of the hot runner, reducing the occurrence of product defects, and improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the first diverter plate of the utility model;
[0015] Figure 3 This is a schematic diagram of the structure of the second diversion plate of the utility model.
[0016] In the figure: 1. first diverter plate; 2. second diverter plate; 3. melt channel; 31. first feed channel; 32. second feed channel; 33. third feed channel; 4. discharge channel; 5. feed hole; 6. discharge hole. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-3 The utility model provides a technical solution: a hot runner manifold for injection molding, comprising a first manifold 1 and a second manifold 2, wherein the top surface of the first manifold 1 is provided with a first molten material channel groove, and the bottom surface of the second manifold 2 is provided with a second molten material channel groove corresponding to the first molten material channel groove;
[0019] The top surface of the first manifold plate 1 is welded to the bottom surface of the second manifold plate 2, and the first molten material channel groove and the second molten material channel groove cooperate to form a molten material channel 3;
[0020] The melt channel 3 is provided with a first feed channel 31, two second feed channels 32 and four third feed channels 33, both ends of the four third feed channels 33 are connected with a cross-shaped discharge channel 4, the first feed channel 31 is connected with a feed hole 5, and the ends of the discharge channels 4 are provided with discharge holes 6.
[0021] Specifically, the feed hole 5 is located in the middle of the first feed channel 31 .
[0022] Specifically, the middle parts of the two second feed channels 32 are vertically connected to the two ends of the first feed channel 31 .
[0023] Specifically, the middle parts of the four third feed channels 33 are vertically connected to the two ends of the two second feed channels 32 respectively.
[0024] Specifically, both ends of the third feed channel 33 are connected to the middle of the discharge channel 4 .
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hot runner manifold for injection molding, characterized in that: It comprises a first manifold plate and a second manifold plate, wherein the top surface of the first manifold plate is provided with a first molten material channel groove, and the bottom surface of the second manifold plate is provided with a second molten material channel groove corresponding to the first molten material channel groove; The top surface of the first manifold plate is welded to the bottom surface of the second manifold plate, and the first molten material channel groove and the second molten material channel groove cooperate to form a molten material channel; The melt channel is provided with a first feed channel, two second feed channels and four third feed channels, both ends of the four third feed channels are connected with a cross-shaped discharge channel, the first feed channel is connected with a feed hole, and the ends of the discharge channels are provided with discharge holes.
2. A hot runner manifold for injection molding according to claim 1, characterized in that: The feed hole is located in the middle of the first feed channel.
3. A hot runner manifold for injection molding according to claim 2, characterized in that: The middle parts of the two second feed channels are vertically connected to the two ends of the first feed channel.
4. A hot runner manifold for injection molding according to claim 3, characterized in that: The middle parts of the four third feed channels are respectively vertically connected to the two ends of the two second feed channels.
5. The hot runner manifold for injection molding according to claim 4, characterized in that: Both ends of the third feed channel are connected to the middle of the discharge channel.