Bidirectional cold runner forming process mold

Abstract

The bidirectional cold runner forming process mold comprises an upper mold body, a cooling plate and a lower mold body which are sequentially arranged from top to bottom, the upper mold body and the lower mold body are each provided with a plurality of first mold cavities and a plurality of second mold cavities, a glue guiding structure is arranged on the cooling plate, and the two ends of the glue guiding structure communicate with the first mold cavities and the second mold cavities correspondingly; a glue injection pipe communicated with the glue guide structure is arranged on the upper mold or the lower mold, and glue is injected into the glue injection pipe and divided into the first cavity and the second cavity through the glue guide structure. By arranging the glue guide structure on the cooling plate, glue can be distributed into the cavities in the upper mold and the lower mold, the operation procedures of glue injection, mold taking and the like are reduced, the working efficiency is improved, the occupied area of the whole mold is the same as that of a single mold, and the space utilization rate is improved. In addition, as the temperature of the cooling liquid is lower than that of the sizing material, the cooling liquid can take away part of heat on the sizing material in the flowing process at the moment, and therefore the phenomenon that the sizing material is damaged due to local temperature rise is prevented.

Description

Technical Field

[0001] The utility model particularly relates to a bidirectional cold runner forming process mould. Background Art

[0002] Cable accessories are products that connect cables to power transmission and distribution lines and related power distribution devices, such as intermediate joints. The production of intermediate joints relies on molds. The molds are mainly composed of a movable mold and a fixed mold. The fixed mold is provided with a cavity. The rubber is injected into the cavity. The movable mold moves toward the fixed mold to close the mold, so that the rubber forms an intermediate joint product that matches the shape of the cavity. However, after the mold is opened, the mold of the prior art needs to wait for demolding and taking out the intermediate joint, and the rubber must be refilled into the cavity before the next molding work can be carried out. In order to improve this problem, multiple cavities are usually opened on a fixed mold to realize the molding of multiple products at one time. Then, before the next molding work, more intermediate joints need to be demolded and taken out, and more cavities need to be filled with rubber, which reduces work efficiency and increases the horizontal area of ​​the mold, that is, increases the mold footprint. In addition, when the temperature of the mold exceeds 50°C, the phenomenon of bad glue may occur. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a two-way cold runner forming process mold.

[0004] In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

[0005] A two-way cold runner molding process mold includes an upper mold, a cooling plate, and a lower mold arranged in sequence from top to bottom, the upper mold and the lower mold are respectively provided with a plurality of first cavities and a second cavities, a glue guiding structure is provided on the cooling plate, and the two ends of the glue guiding structure are respectively connected to the first cavity and the second cavity, and a glue injection tube connected to the glue guiding structure is provided on the upper mold or the lower mold, and the glue is injected into the glue injection tube and diverted to the first cavity and the second cavity through the glue guiding structure.

[0006] Preferably, the glue guiding structure includes a guide channel arranged in the horizontal direction, and diversion pipes are arranged at both ends of the guide channel in the vertical direction. The upper and lower ends of the diversion pipe are respectively connected to the first cavity and the second cavity, and one end of the glue injection pipe is connected to the middle part of the guide channel.

[0007] Preferably, a cooling channel for accommodating coolant is arranged in the cooling plate, and a coolant injection port and a coolant discharge port are opened on one side of the cooling plate. The coolant flows into the cooling channel through the coolant injection port and can be discharged through the coolant discharge port.

[0008] Preferably, a plurality of positioning members are respectively provided at the upper and lower ends of the cooling plate, positioning holes are respectively opened on the upper mold and the lower mold, and the ends of the positioning members pass through the corresponding positioning holes respectively.

[0009] Preferably, the diverter pipe and the guide channel are arranged perpendicular to each other.

[0010] Preferably, a limiting structure for limiting the shunt pipe is provided on the cooling plate.

[0011] Preferably, the limiting structure includes a mounting hole arranged on the cooling plate, and limiting rings are respectively arranged at the upper and lower ends of the mounting hole. The limiting ring is provided with a limiting hole for the shunt pipe to pass through, and the limiting ring is provided with a plurality of bolts along the circumference, and one end of the bolt passes through the limiting ring and is connected to the cooling plate to limit the shunt pipe.

[0012] Preferably, the coolant is oil.

[0013] The beneficial effects of the utility model are:

[0014] The present application provides a glue guiding structure on the cooling plate, which can divert the rubber to the cavities in the upper mold and the lower mold, reduce the glue injection, mold removal and other operation procedures, improve work efficiency, and the entire mold has the same footprint as a single mold, which improves space utilization. In addition, the coolant will flow in the cooling channel in the cooling plate. Since the temperature of the coolant is lower than the temperature of the rubber, according to the principle of heat transfer, the coolant will take away part of the heat on the rubber during the flow process, thereby preventing the phenomenon of heat accumulation causing local temperature rise and causing bad rubber. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 This is a schematic diagram of the structure of a two-way cold runner molding process mold for this application. Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the structure of a two-way cold runner molding process mold for this application. Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the structure of a two-way cold runner molding process mold for this application. Figure 3 ;

[0019] Figure 4 This is a schematic diagram of the structure of a two-way cold runner molding process mold for this application. Figure 4 ;

[0020] Figure 5 This is a schematic diagram of the structure of a two-way cold runner molding process mold for this application. Figure 5 . DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0022] The orientation shown in the drawings cannot be understood as limiting the specific protection scope of the present utility model, and is only provided for reference and understanding of the preferred embodiments. The product components shown in the drawings may be changed in position, increased in number, or simplified in structure.

[0023] The "connection" described in the specification and the mutual "connection" relationship of the components shown in the drawings can be understood as a fixed connection or a detachable connection or an integral connection; it can be a direct connection or a connection through an intermediate medium. Ordinary technicians in this field can understand the connection relationship according to the specific circumstances and can derive different implementation methods in an appropriate manner such as screwing, riveting, welding, clamping or embedding.

[0024] With respect to the directional words such as up, down, left, right, top, bottom, etc. described in the specification and the directions shown in the drawings, the components may be in direct contact or in contact through other features between them; for example, "above" may mean directly above or obliquely above, or it simply means higher than other objects; other directions may be understood by analogy.

[0025] The materials for making parts with solid shapes shown in the specification and the drawings may be metal materials, non-metal materials or other synthetic materials; the mechanical processing techniques used for parts with solid shapes may be stamping, forging, casting, wire cutting, laser cutting, casting, injection molding, CNC milling, 3D printing, machining, etc.; ordinary technicians in this field can adaptively select or combine them according to different processing conditions, costs, and precisions, but are not limited to the above-mentioned materials and manufacturing processes.

[0026] A two-way cold runner forming process mold, referring to Figure 1-Figure 5 , including an upper mold 1, a cooling plate 2, and a lower mold 3 arranged in sequence from top to bottom, the upper mold 1 and the lower mold 3 are respectively provided with a plurality of first cavities 11 and second cavities 31, the cooling plate 2 is provided with a glue guiding structure, and the two ends of the glue guiding structure are respectively connected to the first cavity 11 and the second cavity 31, the upper mold 1 or the lower mold 3 is provided with a glue injection tube 4 connected to the glue guiding structure, and the glue is injected into the glue injection tube 4 and diverted to the first cavity 11 and the second cavity 31 through the glue guiding structure.

[0027] Furthermore, the glue guiding structure includes a guide channel 51 arranged in the horizontal direction, and the two ends of the guide channel 51 are respectively provided with a diversion pipe 52 in the vertical direction. The upper and lower ends of the diversion pipe 52 are respectively connected to the first cavity 11 and the second cavity 31, and one end of the glue injection pipe 4 is connected to the middle part of the guide channel 51.

[0028] Furthermore, a cooling channel 6 for accommodating coolant is arranged in the cooling plate 2, and a coolant injection port 61 and a coolant discharge port 62 are opened on one side of the cooling plate 2. The coolant flows into the cooling channel 6 through the coolant injection port 61 and can be discharged through the coolant discharge port 62.

[0029] Furthermore, a plurality of positioning members 21 are respectively provided at the upper and lower ends of the cooling plate 2 , positioning holes are respectively opened on the upper mold 1 and the lower mold 3 , and the ends of the positioning members 21 pass through the corresponding positioning holes respectively.

[0030] Furthermore, the diverter pipe 52 and the guide channel 51 are arranged perpendicular to each other.

[0031] Furthermore, a limiting structure for limiting the position of the shunt pipe 52 is provided on the cooling plate 2 .

[0032] Furthermore, the limiting structure includes a mounting hole 22 arranged on the cooling plate 2, and limiting rings 23 are respectively arranged at the upper and lower ends of the mounting hole 22. The limiting ring 23 is provided with a limiting hole 24 for the shunt pipe 52 to pass through. The limiting ring 23 is provided with a plurality of bolts 25 along the circumferential side, and one end of the bolt 25 passes through the limiting ring 23 and is connected to the cooling plate 2 to limit the shunt pipe 52.

[0033] Furthermore, the coolant is oil.

[0034] The working principle of the utility model is:

[0035] As Example 1, the glue injection tube 4 is set on the upper mold 1 (it can also be set on the lower mold 3). After the hot glue is injected into the glue injection tube 4, the glue will first flow into the guide channel 51. As the hot glue is continuously injected, the glue will flow along the two sides of the guide channel 51, and finally flow into the shunt tube 52. Since the two ends of the shunt tube 52 are respectively connected to the first cavity 11 of the upper mold 1 and the second cavity 31 of the lower mold 3, the glue will be filled in the first cavity 11 and the second cavity 31 as the glue is continuously injected. After it is solidified and formed, it can be taken out. The shape of the cavity depends on the final product to be obtained, for example, it can be set to a stress cone shape or an intermediate joint shape. The present application provides a glue guiding structure on the cooling plate 2, which can divert the glue to the cavities in the upper mold 1 and the lower mold 3, reduce the operation procedures such as glue injection and mold removal, improve work efficiency, and the entire mold has the same floor space as a single mold, which improves space utilization. In the above technical scheme, because hot rubber is injected into the mold, in order to make the rubber flow evenly to the first cavity 11 and the second cavity 31, the upper mold 1 and the lower mold 3 in the technical field of this invention generally have a heating function. During the whole process, the temperature of the local rubber may exceed 50°C, and the rubber in this part is prone to the phenomenon of bad glue. In order to solve this technical problem, the present application provides a coolant injection port 61 and a coolant discharge port 62 on one side of the cooling plate 2, and a cooling channel 6 is provided in the cooling plate 2. The cooling channel 6 is connected to the coolant injection port 61 and the coolant discharge port 62 respectively. As an embodiment 1, the coolant can be realized by oil. The oil is injected into the coolant injection port 61, and the oil will flow in the cooling channel 6 in the cooling plate 2. Since the temperature of the oil is lower than the temperature of the rubber, according to the principle of heat transfer, the oil will take away part of the heat on the rubber during the flow, thereby preventing the phenomenon of bad glue caused by local temperature increase caused by heat accumulation. Figure 4-5 As shown, the direction of the arrow in the figure is the flow direction of the rubber.

[0036] On the basis of the above technical solution, in order to prevent the upper mold 1 and the lower mold 3 from being misaligned during the installation process, the present application provides a positioning member 21 on the cooling plate 2, and a limiting hole 24 is opened on both the upper mold 1 and the lower mold 3, and the ends of the positioning member 21 extend into the corresponding limiting holes 24 respectively.

[0037] In the above technical solution, the arrangement of the shunt pipe 52 and the cooling plate 2 can be as follows: Figure 4-5 As shown, one end of the shunt pipe 52 is passed through the mounting hole 22 of the cooling plate 2, and then the limiting rings 23 are respectively sleeved on the shunt pipe 52, and finally the bolts 25 are tightened. In this way, the shunt pipe 52 can be limited on the cooling plate 2.

[0038] On the basis of the above technical solution, in order to further improve the uniformity of the distribution of the rubber in the first cavity 11 and the second cavity 31 , it is preferred that the diverter pipe 52 is vertically arranged to the guide channel 51 , and one end of the rubber injection pipe 4 is connected to the middle of the guide channel 51 .

[0039] The upper mold 1 and the lower mold 3 mentioned above take the upper mold 1 as an example, the upper mold 1 includes a fixed mold and a movable mold, a first cavity 11 is arranged between the fixed mold and the movable mold, the rubber is filled in the first cavity 11, when the rubber is cured, the fixed mold is removed, and the mold can be taken out. The first cavity 11 or the second cavity 31 can be customized into multiple ones according to the actual production needs.

[0040] Although the utility model is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through this disclosure that various changes or modifications can be made to the utility model without departing from the principle and spirit of the utility model defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, not to limit the utility model, but the scope of protection is limited by the content of the claims.

Claims

1. A two-way cold runner forming process mold, characterized in that: The invention comprises an upper mold (1), a cooling plate (2), and a lower mold (3) which are arranged in sequence from top to bottom. The upper mold (1) and the lower mold (3) are respectively provided with a plurality of first cavities (11) and second cavities (31). The cooling plate (2) is provided with a glue guide structure, and the two ends of the glue guide structure are respectively connected to the first cavity (11) and the second cavity (31). The upper mold (1) or the lower mold (3) is provided with a glue injection tube (4) connected to the glue guide structure. The glue material is injected into the glue injection tube (4) and is diverted to the first cavity (11) and the second cavity (31) through the glue guide structure.

2. A two-way cold runner forming process mold according to claim 1, characterized in that: The glue guiding structure comprises a flow guiding channel (51) arranged in a horizontal direction, and two ends of the flow guiding channel (51) are respectively provided with flow dividing pipes (52) in a vertical direction, and the upper and lower ends of the flow dividing pipe (52) are respectively connected to the first cavity (11) and the second cavity (31), and one end of the glue injection pipe (4) is connected to the middle part of the flow guiding channel (51).

3. A two-way cold runner forming process mold according to claim 1, characterized in that: A cooling channel (6) for accommodating a cooling liquid is arranged inside the cooling plate (2), and a cooling liquid injection port (61) and a cooling liquid discharge port (62) are provided on one side of the cooling plate (2). The cooling liquid flows into the cooling channel (6) through the cooling liquid injection port (61) and can be discharged through the cooling liquid discharge port (62).

4. A two-way cold runner forming process mold according to claim 1, characterized in that: A plurality of positioning members (21) are respectively provided at the upper and lower ends of the cooling plate (2); positioning holes are respectively provided on the upper mold (1) and the lower mold (3); and the ends of the positioning members (21) respectively pass through the corresponding positioning holes.

5. A two-way cold runner forming process mold according to claim 2, characterized in that: The flow diversion pipe (52) and the flow guiding channel (51) are arranged perpendicular to each other.

6. A two-way cold runner forming process mold according to claim 1, characterized in that: The cooling plate (2) is provided with a limiting structure for limiting the position of the shunt pipe (52).

7. A two-way cold runner forming process mold according to claim 6, characterized in that: The limiting structure comprises a mounting hole (22) arranged on the cooling plate (2), and limiting rings (23) are respectively arranged at the upper and lower ends of the mounting hole (22), and a limiting hole (24) is opened on the limiting ring (23) for the shunt pipe (52) to pass through, and a plurality of bolts (25) are arranged along the circumference of the limiting ring (23), and one end of the bolt (25) passes through the limiting ring (23) and is connected to the cooling plate (2) to limit the shunt pipe (52).

8. A two-way cold runner forming process mold according to claim 3, characterized in that: The coolant is oil.

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