Blowing type connector in-mold cooling structure

Abstract

The utility model relates to an air blowing type connector in-mold cooling structure which is characterized by comprising an air circuit board, an upper mold core and a lower mold core, a plurality of upper forming core rods are arranged in the middle of the upper mold core, and lower forming core rods corresponding to the upper forming core rods are arranged in the lower mold core. A first air hole and a second air hole are formed in the upper forming core rod and the lower forming core rod respectively, the first air hole and the second air hole are communicated during mold closing and form a sealed air flow channel, a receding hole communicated with the second air hole is formed in the lower portion of the lower forming core rod, and an ejector rod is arranged in the receding hole. An air inlet hole and a plurality of air outlet holes are formed in the upper part and the lower part of the air path plate respectively, and the air outlet holes correspond to the first air holes in a one-to-one manner. The utility model has the beneficial effects that the cooling of the jack of the shell can be accelerated, the situation that the shell is deformed due to the fact that the shell is not cooled in place is prevented, and the production efficiency and the processing quality of products are improved.

Description

Technical Field

[0001] The utility model relates to the field of connector production equipment, in particular to a blowing type in-mold cooling structure for connectors. Background Art

[0002] A connector generally refers to an electrical connector, also known as a plug-in, a plug, and a socket. That is, a device that connects two active devices and transmits current or signals.

[0003] A connector mainly consists of a housing and terminals. The housing of the connector is obtained through injection molding. During the connector processing, since the existing mold can only cool the periphery of the connector through a water channel, the cooling effect is poor. The housing of the connector has an array of jacks. When demolding, the plastic at the jack position will deform because it is not completely cooled. If the cooling time is extended, although the product quality can be guaranteed, the production efficiency of the product is seriously affected. Therefore, a blowing type in-mold cooling structure for connectors is needed. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a blowing type in-mold cooling structure for connectors. By arranging an upper forming core rod and a lower forming core rod with air holes in the upper mold core and the lower mold core to participate in the forming of the jacks of the connector housing, the cooling of the jacks of the housing can be accelerated, the situation of housing deformation caused by insufficient cooling can be prevented, and the production efficiency and processing quality of the product can be improved.

[0005] In order to achieve the above purpose, the utility model provides the following technical solution: A blowing type in-mold cooling structure for connectors, characterized in that: it includes an air circuit board, an upper mold core and a lower mold core. Multiple upper forming core rods are arranged in the middle of the upper mold core, and corresponding lower forming core rods are arranged in the lower mold core. The upper forming core rod and the lower forming core rod are respectively provided with a first air hole and a second air hole. The first air hole and the second air hole are communicated when the mold is closed to form a sealed air flow channel. A relief hole communicated with the second air hole is arranged at the lower part of the lower forming core rod, and a ejector rod is arranged in the relief hole. An air inlet hole and an air outlet hole are respectively opened on the upper and lower parts of the air circuit board. The air outlet holes are specifically multiple, and the multiple air outlet holes are arranged in one-to-one correspondence with the first air holes.

[0006] Further, a stepped groove is arranged at the butt joint of the first air hole and the second air hole.

[0007] Further, the multiple upper forming core rods are arranged in an array in the upper mold core, and the lower forming core rods are arranged in an array in the lower mold core.

[0008] Further, the upper end of the ejector rod is flat, the lower end of the ejector rod is columnar, and the relief hole is a profiling hole of the ejector rod.

[0009] The beneficial effects of the present utility model are as follows: By arranging an upper forming core rod and a lower forming core rod with air holes in the upper die core and the lower die core to participate in the forming of the jack of the connector housing, the cooling of the jack of the housing can be accelerated, the situation of housing deformation caused by insufficient cooling can be prevented, and the production efficiency and processing quality of the product can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0011] Figure 2 It is a schematic diagram of the internal air path of the air path board of the present utility model.

[0012] Figure 3 It is a plane cross-sectional view of the first air hole and the second air hole of the present utility model.

[0013] Figure 4 It is an exploded schematic diagram of the upper forming core rod and the lower forming core rod of the present utility model.

[0014] Figure 5 It is a three-dimensional cross-sectional view of the first air hole and the second air hole of the present utility model.

[0015] Component numbers in the drawings:

[0016] In the figure: 1. Air path board; 2. Upper die core; 3. Lower die core; 4. Upper forming core rod; 401. First air hole; 5. Lower forming core rod; 501. Second air hole; 502. Relief hole; 6. Ejector rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the following further describes the records of the present utility model in detail in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein and the related preferences and examples are only used to explain the present utility model and are not used to limit the present utility model.

[0018] Refer to the attached Figures 1 to 5As shown, a mold-internal cooling structure of a blowing connector includes an air passage plate 1, an upper mold core 2, and a lower mold core 3. A plurality of upper forming core rods 4 are arranged in the middle of the upper mold core 2. A lower forming core rod 5 corresponding to the upper forming core rod 4 is provided in the lower mold core 3. A first air hole 401 and a second air hole 501 are respectively provided on the upper forming core rod 4 and the lower forming core rod 5. The first air hole 401 and the second air hole 501 are communicated when the mold is closed to form a sealed air flow path. A relief hole 502 communicated with the second air hole 501 is provided at the lower part of the lower forming core rod 5. A ejector rod 6 is provided in the relief hole 502. An air inlet hole and an air outlet hole are respectively opened on the upper and lower parts of the air passage plate 1. The aperture of the air inlet hole is larger than that of the air outlet hole. All the air outlet holes intake air through one air inlet hole. Specifically, there are a plurality of air outlet holes, and the plurality of air outlet holes are arranged in one-to-one correspondence with the first air holes 401.

[0019] A stepped groove is provided at the butt joint of the first air hole 401 and the second air hole 501. The stepped groove is opened to improve the sealing effect at the butt joint of the first air hole 401 and the second air hole 501 when the mold is closed.

[0020] The plurality of upper forming core rods 4 are arranged in an array in the upper mold core 2. The lower forming core rods 5 are arranged in an array in the lower mold core 3. The upper forming core rods 4 and the lower forming core rods 5 are used to participate in the forming of the jack part of the connector.

[0021] The upper end of the ejector rod 6 is flat, and the lower end of the ejector rod 6 is cylindrical. The relief hole 502 is a profiling hole of the ejector rod 6. The ejector rod 6 is used for ejecting the product for demolding.

[0022] The working principle of the present utility model is as follows: When the present utility model is in use, during injection molding production, in addition to the cooling water path of the mold itself for cooling, cold air is introduced from the air passage plate 1. The cold air flows into each air outlet hole through the air inlet hole of the air passage plate. After passing through the air outlet hole, the cold air finally discharges from the second air hole 501 through the first air hole 401, so as to realize accelerated cooling of the forming of the jack part of the connector housing, prevent the deformation of the housing caused by insufficient cooling, and improve the production efficiency and processing quality of the connector housing.

[0023] The above embodiments are used to further illustrate the present utility model, but do not limit the present utility model to these specific embodiments. Any modification, equivalent replacement, improvement, and extension made within the spirit and principle recorded in the present utility model shall be understood to be within the protection scope of the present utility model.

Claims

1. An in-mold cooling structure of a blowing connector, characterized in that: It includes an air circuit board (1), an upper mold core (2) and a lower mold core (3). A plurality of upper forming core rods (4) are arranged in the middle of the upper mold core (2). Lower forming core rods (5) corresponding to the upper forming core rods (4) are arranged in the lower mold core (3). A first air hole (401) and a second air hole (501) are respectively arranged on the upper forming core rod (4) and the lower forming core rod (5). The first air hole (401) and the second air hole (501) are communicated when the mold is closed to form a sealed air flow channel. A relief hole (502) communicated with the second air hole (501) is arranged at the lower part of the lower forming core rod (5). A ejector rod (6) is arranged in the relief hole (502). An air inlet hole and an air outlet hole are respectively opened on the upper and lower parts of the air circuit board (1). Specifically, there are a plurality of air outlet holes, and the plurality of air outlet holes are arranged in one-to-one correspondence with the first air holes (401).

2. The in-mold cooling structure of a blowing connector according to claim 1, wherein: A stepped groove is arranged at the butt joint of the first air hole (401) and the second air hole (501).

3. The in-mold cooling structure of a blowing connector according to claim 1, characterized in that: The plurality of upper forming core rods (4) are arranged in an array in the upper mold core (2), and the lower forming core rods (5) are arranged in an array in the lower mold core (3).

4. The in-mold cooling structure of a blowing connector according to claim 1, characterized in that: The upper end of the ejector rod (6) is flat, the lower end of the ejector rod (6) is columnar, and the relief hole (502) is a profiling hole of the ejector rod (6).

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