Light guide column forming mold capable of achieving automatic demolding

Abstract

The utility model discloses a light guide column forming mold capable of automatically demolding, and relates to the technical field of production molds. Comprising a movable die and a fixed die, guide sleeves are embedded in the periphery of the movable die, guide columns are embedded in the periphery of the fixed die, the movable die and the fixed die are assembled through the guide columns and the guide sleeves, positioning concave blocks are embedded in the periphery of the movable die, and positioning convex blocks are embedded in the periphery of the fixed die. According to the light guide column forming mold capable of achieving automatic demolding, after a product is formed, the movable mold body and the fixed mold body are separated, in the separation process, the output end of the air cylinder pushes the L-shaped pull rod, the other end of the L-shaped pull rod warps upwards to push the ejection plate to ascend, and therefore the product is separated from the mold cavity under ejection of the ejector pin, demolding is rapid, convenient and rapid, and the production efficiency is improved. And the mold adopts a straight-flow cooling system, rapid cooling can be achieved, the opening and closing precision of the mold is guaranteed through cooperation of a positioning concave block and a positioning convex block, and the required precision can be achieved while mass production is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of production molds, in particular to a light guide column forming mold capable of automatic demoulding. Background Art

[0002] A light guide is an optical element that is mainly used to direct light from one direction to another. It is usually made of transparent or translucent materials that can conduct and diffuse light to achieve light transmission and focusing. The design of the light guide allows light to propagate internally through the principle of total reflection, thereby reducing light scattering and loss, and improving light utilization efficiency and transmission distance. Light guides are widely used in various devices, such as smartphones, tablets, LCD displays, lighting equipment, machining machines, etc. In these devices, light guides are used to transmit and display light. For example, the light emitted by the LED light source on the PCB board can be guided to the outer surface of the product to provide information or decoration.

[0003] Existing light guide columns are often injection molded using an injection mold. However, during the injection molding process of the light guide column, due to the curved structure of the light guide column, it is difficult to demould the light guide column after molding, which affects production efficiency. Utility Model Content

[0004] The utility model provides a light guide column forming mold capable of automatic demoulding, so as to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a light guide column forming mold capable of automatic demoulding, comprising a movable mold and a fixed mold, wherein the movable mold is embedded with guide sleeves around it, the fixed mold is embedded with guide pillars around it, and the movable mold is molded together with the guide pillars and the guide sleeves, the movable mold is embedded with positioning concave blocks around it, the fixed mold is embedded with positioning convex blocks around it, and the positions of the positioning convex blocks and the positioning concave blocks correspond to each other; the movable mold comprises a lower seat plate, a support plate and a male mold plate, the support plate is fixed on the lower seat plate, the male mold plate is fixed on the support plate, and a male mold cavity is provided on the male mold plate, and a lower cooling straight A channel is provided between the lower seat plate and the supporting plate, and an ejector plate is movably sleeved on the supporting column, an ejector pin is installed on the ejector plate, and the upper part of the ejector pin extends into the male mold cavity, a cylinder is installed on the front side of the male mold plate, an L-shaped pull rod is hinged on one side of the supporting plate through a pin, and one end of the L-shaped pull rod is located below the ejector plate, and the other end of the L-shaped pull rod is in contact with the output end of the cylinder; the fixed mold comprises an upper seat plate, a gate bushing and a female mold plate, the gate bushing is embedded in the upper seat plate, the female mold plate is fixed on the upper seat plate, and a female mold cavity is provided on the female mold plate, and an upper cooling straight channel is provided in the female mold cavity.

[0006] Furthermore, the lower cooling straight channel is located at the front and rear sides of the male mold cavity, and first quick connectors are installed at both ends of the lower cooling straight channel.

[0007] Furthermore, the support columns are evenly distributed around the ejection plate, and return springs are mounted on the support columns.

[0008] Furthermore, the ejector pins are evenly distributed in the male mold cavity, and the ejector pins are flush with the bottom of the male mold cavity.

[0009] Furthermore, one end of the L-shaped pull rod is located on the lower seat plate and supported by the bottom of the ejection plate.

[0010] Furthermore, the upper cooling straight channel is located at the front and rear sides of the mother mold cavity, and second quick connectors are installed at both ends of the upper cooling straight channel.

[0011] Compared with the prior art, the utility model provides a light guide column forming mold that can be automatically demoulded, which has the following beneficial effects:

[0012] The light guide column forming mold with automatic demoulding separates the movable mold from the fixed mold after the product is formed. During the separation process, the output end of the cylinder pushes the L-shaped pull rod, so that the other end of the L-shaped pull rod is tilted upward to push the ejector plate to rise, so that the product is separated from the cavity under the ejection of the ejector pin. The demoulding is rapid, convenient and fast. The mold adopts a direct-current cooling system, which can cool quickly. The cooperation of the positioning concave block and the positioning convex block ensures the opening and closing accuracy of the mold, so that mass production can be achieved while achieving the required accuracy. 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 structural diagram of the movable mold of the utility model;

[0015] Figure 3 This is a fixed mold structure diagram of the utility model.

[0016] In the figure: 1, movable mold; 11, lower seat plate; 12, support plate; 13, male mold plate; 14, male mold cavity; 15, lower cooling straight channel; 16, support column; 17, ejector plate; 18, ejector pin; 19, cylinder; 110, L-shaped pull rod; 111, first quick connector; 112, return spring; 2, fixed mold; 21, upper seat plate; 22, gate bushing; 23, female mold plate; 24, female mold cavity; 25, upper cooling straight channel; 26, second quick connector; 3, guide sleeve; 4, guide column; 5, positioning concave block; 6, positioning convex block. 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-Figure 3 The utility model discloses a light guide column forming mold capable of automatic demoulding, comprising a movable mold 1 and a fixed mold 2, wherein the movable mold 1 is embedded with a guide sleeve 3 around the movable mold 1, and the fixed mold 2 is embedded with a guide column 4 around the fixed mold 2, and the movable mold 1 is molded by the guide column 4 and the guide sleeve 3, and the movable mold 1 is embedded with a positioning concave block 5 around the movable mold 1, and the fixed mold 2 is embedded with a positioning convex block 6 around the fixed mold 2, and the positions of the positioning convex block 6 and the positioning concave block 5 correspond to each other. After the product is formed, the movable mold 1 is separated from the fixed mold 2. During the separation process, the output end of the cylinder 19 pushes the L-shaped pull rod 110 to make the other end of the L-shaped pull rod 110 warp upward to push the ejector plate 17 to rise, so that the product is separated from the cavity under the ejection of the ejector pin 18, and the demoulding is rapid, convenient and quick, and the mold adopts a direct current cooling system, which can be cooled quickly, and the opening and closing accuracy of the mold is guaranteed by the cooperation of the positioning concave block 5 and the positioning convex block 6, so that mass production can be achieved while achieving the required accuracy;

[0019] The movable mold 1 includes a lower seat plate 11, a support plate 12 and a male mold plate 13, wherein the support plate 12 is fixed on the lower seat plate 11, the male mold plate 13 is fixed on the support plate 12, and a male mold cavity 14 is provided on the male mold plate 13, and a lower cooling straight channel 15 is provided in the male mold plate 13, a support column 16 is provided between the lower seat plate 11 and the support plate 12, and an ejector plate 17 is movably sleeved on the support column 16, an ejector pin 18 is installed on the ejector plate 17, and the upper part of the ejector pin 18 extends into the male mold cavity 14, a cylinder 19 is installed on the front side of the male mold plate 13, an L-shaped tie rod 110 is hinged to one side of the support plate 12 through a pin, and one end of the L-shaped tie rod 110 is located below the ejector plate 17, and the other end of the L-shaped tie rod 110 is in contact with the output end of the cylinder 19;

[0020] The fixed mold 2 includes an upper base plate 21, a gate bushing 22 and a mother mold plate 23, wherein the gate bushing 22 is embedded in the upper base plate 21, the mother mold plate 23 is fixed on the upper base plate 21, and a mother mold cavity 24 is provided on the mother mold plate 23, wherein an upper cooling straight channel 25 is provided in the mother mold cavity 24.

[0021] Specifically, the lower cooling straight channel 15 is located at the front and rear sides of the male mold cavity 14 , and first quick connectors 111 are installed at both ends of the lower cooling straight channel 15 .

[0022] In this embodiment, both ends of the lower cooling straight channel 15 are connected to the cooling system via the first quick connector 111, so that the product is shaped and cooled after injection molding.

[0023] Specifically, the support columns 16 are evenly distributed around the ejection plate 17 , and a return spring 112 is sleeved on the support columns 16 .

[0024] In this embodiment, the support column 16 is mainly used for positioning and guiding the ejector plate 17. After the cylinder 19 is reset, the ejector plate 17 is quickly reset by the elastic force of the reset spring 112.

[0025] Specifically, the ejector pins 18 are evenly distributed in the male mold cavity 14 , and the ejector pins 18 are flush with the cavity bottom of the male mold cavity 14 .

[0026] In this embodiment, the other end of the L-shaped pull rod 110 is tilted upward to push the ejector plate 17 to rise, so that the product is ejected from the cavity by the ejector pin 18 .

[0027] Specifically, one end of the L-shaped tie rod 110 is located on the lower seat plate 11 and supported on the bottom of the ejection plate 17 .

[0028] In this embodiment, the output end of the cylinder 19 pushes the L-shaped tie rod 110, causing the other end of the L-shaped tie rod 110 to tilt upward, thereby pushing the ejection plate 17 to rise.

[0029] Specifically, the upper cooling straight channel 25 is located at the front and rear sides of the mother mold cavity 24 , and second quick connectors 26 are installed at both ends of the upper cooling straight channel 25 .

[0030] In this embodiment, both ends of the upper cooling straight channel 25 are connected to the cooling system via the second quick connector 26, so that the product is shaped and cooled after injection molding.

[0031] When in use, after the product is formed, the movable mold 1 is separated from the fixed mold 2. During the separation process, the output end of the cylinder 19 pushes the L-shaped pull rod 110, so that the other end of the L-shaped pull rod 110 is tilted upward to push the ejector plate 17 to rise, so that the product is ejected from the cavity under the ejection of the ejector pin 18. The demolding is rapid, convenient and fast. The mold adopts a direct current cooling system, which can cool quickly. The cooperation of the positioning concave block 5 and the positioning convex block 6 ensures the opening and closing accuracy of the mold, realizing mass production while achieving the required accuracy.

[0032] To sum up, the light guide column forming mold with automatic demolding, after the product is formed, separates the movable mold 1 from the fixed mold 2. During the separation process, the output end of the cylinder 19 pushes the L-shaped pull rod 110, so that the other end of the L-shaped pull rod 110 is tilted upward to push the ejector plate 17 to rise, so that the product is separated from the cavity under the ejection of the ejector pin 18. The demolding is rapid, convenient and fast. The mold adopts a direct current cooling system, which can cool quickly. The cooperation of the positioning concave block 5 and the positioning convex block 6 ensures the opening and closing accuracy of the mold, so that mass production can be achieved while achieving the required accuracy.

[0033] 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 light guide column forming mold capable of automatic demoulding, comprising a movable mold (1) and a fixed mold (2), characterized in that: The movable mold (1) is embedded with guide sleeves (3) around its periphery, the fixed mold (2) is embedded with guide pillars (4) around its periphery, and the movable mold (1) is molded together via the guide pillars (4) and the guide sleeves (3), the movable mold (1) is embedded with positioning concave blocks (5) around its periphery, the fixed mold (2) is embedded with positioning convex blocks (6) around its periphery, and the positions of the positioning convex blocks (6) and the positioning concave blocks (5) correspond to each other; The movable mold (1) comprises a lower seat plate (11), a support plate (12) and a male mold plate (13); the support plate (12) is fixed on the lower seat plate (11); the male mold plate (13) is fixed on the support plate (12); a male mold cavity (14) is provided on the male mold plate (13); a lower cooling straight channel (15) is provided in the male mold plate (13); a support column (16) is provided between the lower seat plate (11) and the support plate (12); and a movable An ejector plate (17) is mounted on the ejector plate (17), an ejector pin (18) is mounted on the ejector plate (17), and the upper part of the ejector pin (18) extends into the male mold cavity (14), a cylinder (19) is mounted on the front side of the male mold plate (13), an L-shaped tie rod (110) is hinged on one side of the support plate (12) through a pin, and one end of the L-shaped tie rod (110) is located below the ejector plate (17), and the other end of the L-shaped tie rod (110) is in contact with the output end of the cylinder (19); The fixed mold (2) comprises an upper base plate (21), a gate bushing (22) and a mother mold plate (23), wherein the gate bushing (22) is embedded in the upper base plate (21), the mother mold plate (23) is fixed on the upper base plate (21), and a mother mold cavity (24) is provided on the mother mold cavity (24), and an upper cooling straight channel (25) is provided in the mother mold cavity (24).

2. The light guide column forming mold capable of automatic demoulding according to claim 1, characterized in that: The lower cooling straight channel (15) is located at the front and rear sides of the male mold cavity (14), and first quick connectors (111) are installed at both ends of the lower cooling straight channel (15).

3. The light guide column forming mold capable of automatic demoulding according to claim 1, characterized in that: The support columns (16) are evenly distributed around the ejection plate (17), and a return spring (112) is sleeved on the support columns (16).

4. The light guide column forming mold capable of automatic demoulding according to claim 1, characterized in that: The ejector pins (18) are evenly distributed in the male mold cavity (14), and the ejector pins (18) are flush with the bottom of the male mold cavity (14).

5. The light guide column forming mold capable of automatic demoulding according to claim 1, characterized in that: One end of the L-shaped pull rod (110) is located on the lower seat plate (11) and is supported on the bottom of the ejection plate (17).

6. The light guide column forming mold capable of automatic demoulding according to claim 1, characterized in that: The upper cooling straight channel (25) is located at the front and rear sides of the mother mold cavity (24), and second quick connectors (26) are installed at both ends of the upper cooling straight channel (25).

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