Forming die for producing lamp ring

Abstract

The utility model relates to a forming die for producing a lamp ring in the field of dies, which comprises a fixed die assembly and a movable die assembly, the fixed die assembly comprises a fixed die fixing plate, a fixed die holder and a fixed die core, a movable groove is arranged on the fixed die core, a row block is arranged in the movable groove and can horizontally move in the movable groove, an inclined ejector rod and a push block are arranged in the fixed die holder, and the inclined ejector rod is connected with the push block. The inclined ejector rod is fixedly installed on the push block, a guide hole is formed in the end, close to the fixed mold base, of the line block, the end, away from the push block, of the inclined ejector rod is inserted into the guide hole, the end, away from the inclined ejector rod, of the push block penetrates through the fixed mold base and is connected with the ejection assembly, the ejection assembly can drive the push block to vertically move in the fixed mold base, and the push block drives the inclined ejector rod to be inserted into the guide hole. The movable groove is formed in the fixed mold core, so that the line block is close to or away from the fixed mold core in the movable groove, the line block is arranged in the fixed mold assembly and is driven by the ejection assembly, automatic movement of the line block after the mold is opened is achieved, the structure of the mold is simplified, and the manufacturing cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of molds, and in particular to a molding mold for producing lamp rings. Background Technology

[0002] Light rings, as a common lighting decorative component, are widely used in various occasions, such as interior decoration, outdoor landscaping, and advertising signage. Their unique light and shadow effects and diverse appearance designs are loved by consumers. With the continuous growth of market demand for light rings, higher requirements are being placed on their production efficiency and product quality. The molding die is a key piece of equipment in the light ring production process; its design and manufacturing quality directly affect the product quality and production efficiency. Existing light ring molding dies typically include a fixed mold assembly and a moving mold assembly. Molten plastic is injected into the mold using an injection molding machine to form the shape of the light ring. After the fixed mold assembly and the moving mold assembly are closed, they form a closed injection cavity to contain the plastic and allow it to cool and solidify.

[0003] Existing lamp ring forming molds have the following design flaws: the guide block is typically located within the moving mold assembly. To enable the guide block to move after the mold opens and remove the formed product, an additional drive assembly is required within the moving mold assembly to move the guide block horizontally. This not only increases the complexity and manufacturing cost of the mold, but the introduction of the drive assembly may also increase the probability of mold failure during operation. Furthermore, the space required for the drive assembly limits the flexibility of the mold's structural design. Utility Model Content

[0004] In order to overcome the shortcomings of existing technical solutions, this utility model provides a molding die for producing lamp rings, which can effectively solve the technical problem that the row blocks need to be driven by an additional set of driving components.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A molding die for producing light rings includes a fixed mold assembly and a movable mold assembly, both mounted on an injection molding machine. The fixed mold assembly and the movable mold assembly are closed by the injection molding machine to form an injection mold cavity. The fixed mold assembly includes a fixed mold fixing plate, a fixed mold base, and a fixed mold core. The fixed mold base is mounted on the fixed mold fixing plate by square iron. An ejector assembly is provided between the fixed mold base and the fixed mold fixing plate. The fixed mold core is installed at the end of the fixed mold base away from the fixed mold fixing plate. The fixed mold core is provided with a movable groove and a fixed mold groove. A sliding block is provided in the movable groove. The upper part is provided with a movable mold groove, which is combined with the fixed mold groove to form a fixed mold groove. The slide block can move horizontally in the movable groove. The fixed mold base is provided with an inclined ejector rod and a push block. The inclined ejector rod is fixedly installed on the push block. The end of the slide block near the fixed mold base is provided with a guide hole. The end of the inclined ejector rod away from the push block is inserted into the guide hole. The end of the push block away from the inclined ejector rod passes through the fixed mold base and is connected to the ejection assembly. The ejection assembly can drive the push block to move vertically in the fixed mold base. The push block drives the inclined ejector rod to insert into the guide hole, so that the slide block is close to or away from the fixed mold core in the movable groove.

[0007] Furthermore, there are two or more fixed mold slots, and the row block is provided with movable mold slots corresponding to the number of fixed mold slots.

[0008] Furthermore, there are two or more fixed mold slots, and the number is even. The fixed mold slots are symmetrically distributed in two rows. There are two row blocks, which are symmetrically arranged and distributed in accordance with the two rows of fixed mold slots. The push block is provided with two symmetrical inclined push rods, which drive the two row blocks to move respectively.

[0009] Furthermore, the moving mold assembly includes a moving mold fixing plate, a moving mold base, and a moving mold core. The moving mold base is disposed on the moving mold fixing plate, and the moving mold core is installed at the end of the moving mold base away from the moving mold fixing plate. The end of the moving mold core near the fixed mold core is provided with a moving mold groove, and the moving mold groove and the fixed mold groove are combined to form an injection mold cavity.

[0010] Furthermore, a positioning sleeve is provided on the moving mold fixing plate, and a positioning rod is provided on the fixed mold fixing plate. One end of the positioning rod is inserted into the positioning sleeve. When the moving mold assembly and the fixed mold assembly open or close the mold, the positioning rod slides along the axis of the positioning sleeve in the positioning sleeve.

[0011] Furthermore, the ejection assembly includes an ejector pin and a push plate. One end of the ejector pin is fixedly mounted on the push plate, and the end of the ejector pin away from the push plate extends to the movable mold groove. The push block is fixedly connected to the push plate, and the end of the push plate near the fixed mold plate is connected to the demolding rod of the injection molding machine.

[0012] Compared with existing technologies, the advantages of this invention are as follows: By placing the sliding block in the fixed mold assembly and driving it through the ejector assembly, the sliding block achieves automatic movement after the mold opens. The sliding block is connected to the push block via a slanted ejector rod, and the push block is then connected to the ejector assembly. The ejector assembly drives the push block to move vertically within the fixed mold base, and the push block in turn drives the slanted ejector rod to slide in the guide hole, thereby pushing the sliding block to move horizontally within the movable slot. When the mold opens, the ejector assembly causes the sliding block to separate from the fixed mold core; when the mold closes, the ejector assembly causes the sliding block to engage with the fixed mold core. There is no need to additionally set a drive assembly in the moving mold assembly to drive the sliding block, which not only simplifies the mold structure and reduces manufacturing costs but also improves the reliability and stability of the mold. Simultaneously, it makes the mold operation more convenient and efficient, improving production efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the positioning sleeve and positioning rod in this utility model;

[0015] Figure 3 This is a top view of the fixed mold core and the sliding block in this utility model;

[0016] The numbers in the diagram are: 1-fixed mold fixing plate, 2-fixed mold base, 3-fixed mold core, 301-fixed mold groove, 4-square iron, 5-slide block, 501-movable mold groove, 502-guide hole, 6-injection mold cavity, 7-slanted ejector pin, 8-push block, 9-movable groove, 10-ejector pin, 11-push plate, 12-moving mold fixing plate, 13-moving mold base, 14-moving mold core, 15-ejection rod, 16-positioning sleeve, 17-positioning rod. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] The following is combined with Figures 1-3 This utility model provides a detailed description of a molding die for producing lamp rings:

[0019] A molding die for producing lamp rings includes a fixed mold assembly and a moving mold assembly. Both the fixed mold assembly and the moving mold assembly are mounted on an injection molding machine. After the fixed mold assembly and the moving mold assembly are closed by the injection molding machine, they form an injection mold cavity 6. The fixed mold assembly includes a fixed mold fixing plate 1, a fixed mold base 2, and a fixed mold core 3. The fixed mold base 2 is mounted on the fixed mold fixing plate 1 by a square iron 4. An ejector assembly is provided between the fixed mold base 2 and the fixed mold fixing plate 1. The fixed mold core 3 is mounted at the end of the fixed mold base 2 away from the fixed mold fixing plate 1. The fixed mold core 3 is provided with a movable groove 9 and a fixed mold groove 301. A sliding block 5 is provided in the movable groove 9, and the sliding block 5 is provided with the movable mold groove 501. 01. The movable mold groove 501 and the fixed mold groove 301 are combined to form the fixed mold groove. The slide block 5 can move horizontally in the movable groove 9. The fixed mold base 2 is provided with an inclined ejector rod 7 and a push block 8. The inclined ejector rod 7 is fixedly installed on the push block 8. The end of the slide block 5 near the fixed mold base 2 is provided with a guide hole 502. The end of the inclined ejector rod 7 away from the push block 8 is inserted into the guide hole 502. The end of the push block 8 away from the inclined ejector rod 7 passes through the fixed mold base 2 and is connected to the ejection assembly. The ejection assembly can drive the push block 8 to move vertically in the fixed mold base 2. The push block 8 drives the inclined ejector rod 7 to insert into the guide hole 502, so that the slide block 5 moves closer to or away from the fixed mold core 3 in the movable groove 9.

[0020] The ejection assembly includes an ejector pin 10 and a push plate 11. One end of the ejector pin 10 is fixedly mounted on the push plate 11, and the end of the ejector pin 10 away from the push plate 11 extends to the movable mold groove 501. The push block 8 is fixedly connected to the push plate 11, and the end of the push plate 11 near the fixed mold plate 1 is connected to the demolding rod 15 of the injection molding machine.

[0021] By placing the slide block 5 within the fixed mold assembly and driving it via the ejector assembly, automatic movement of the slide block 5 after mold opening is achieved. The slide block 5 is connected to the push block 8 via the angled ejector rod 7, and the push block 8 is in turn connected to the ejector assembly. The ejector assembly drives the push block 8 to move vertically within the fixed mold base 2. The push block 8 then drives the angled ejector rod 7 to slide within the guide hole 502, thereby propelling the slide block 5 horizontally within the movable slot 9. This eliminates the need for an additional drive assembly in the moving mold assembly to move the slide block 5, simplifying the mold structure, reducing manufacturing costs, and improving the mold's reliability and stability. Simultaneously, it makes mold operation more convenient and efficient, enhancing production efficiency.

[0022] The fixed mold slots 301 are provided in six rows, which are symmetrically distributed in two rows. There are two row blocks 5, which are symmetrically arranged and correspond to the two rows of fixed mold slots 301. The push block 8 is provided with two symmetrical inclined push rods 7, which drive the two row blocks 5 to move respectively, which significantly improves the production efficiency. Six lamp rings can be formed in one mold closing.

[0023] The moving mold assembly includes a moving mold fixing plate 12, a moving mold base 13, and a moving mold core 14. The moving mold base 13 is disposed on the moving mold fixing plate 12, and the moving mold core 14 is installed at the end of the moving mold base 13 away from the moving mold fixing plate 12. The end of the moving mold core 14 near the fixed mold core 3 is provided with a moving mold groove. The moving mold groove and the fixed mold groove combine to form an injection mold cavity 6. A positioning sleeve 16 is provided on the moving mold fixing plate 12, and a positioning rod 17 is provided on the fixed mold fixing plate 16. One end of the positioning rod 17 is inserted into the positioning sleeve 16. When the moving mold assembly and the fixed mold assembly open or close, the positioning rod 17 slides along the axis of the positioning sleeve 16 within the positioning sleeve 16. This ensures that the moving mold assembly and the fixed mold assembly are precisely aligned during mold opening or closing, avoiding injection defects caused by mold misalignment or displacement.

[0024] When the mold is closed, the ejector rod 15 of the injection molding machine pulls the ejector plate 11, so that the ejector plate 11 is in contact with the fixed mold plate 1. At this time, the end face of the ejector pin 10 is flush with the inner wall of the fixed mold groove, the ejector block 8 is in the lowest movable position, and the inclined ejector rod 7 makes the sliding block 5 fit with the fixed mold core 3. The movable mold groove 501 and the fixed mold groove 301 are combined to form the fixed mold groove. The fixed mold groove and the movable mold groove are combined to form the injection mold cavity 6.

[0025] When the mold opens, the ejector rod 15 of the injection molding machine pushes the ejector plate 11 to move upward, so that the ejector plate 11 drives the ejector pin 10 and the ejector block 8 to move upward. The ejector pin 10 ejects the molded product from the fixed mold groove. At the same time, the ejector block 8 drives the inclined ejector rod 7 to insert into the guide hole 502, so that the sliding block 5 moves horizontally in the movable groove 9 and separates from the fixed mold core 3.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A molding die for producing a lamp ring, comprising a fixed die assembly and a movable die assembly, the fixed die assembly and the movable die assembly are both installed on an injection molding machine, and the fixed die assembly and the movable die assembly form an injection molding cavity after the injection molding machine is clamped, characterized in that: The fixed die assembly comprises a fixed die fixed plate, a fixed die seat and a fixed die core, the fixed die seat is installed on the fixed die fixed plate through a square iron, an ejection assembly is arranged between the fixed die seat and the fixed die fixed plate, the fixed die core is installed at one end of the fixed die seat away from the fixed die fixed plate, the fixed die core is provided with a movable groove and a fixed die groove, a row block is arranged in the movable groove, the row block is provided with a movable die groove, the movable die groove and the fixed die groove are combined to form a fixed die groove, the row block can move horizontally in the movable groove, an inclined ejector pin and a push block are arranged in the fixed die seat, the inclined ejector pin is fixedly installed on the push block, one end of the row block close to the fixed die seat is provided with a guide hole, one end of the inclined ejector pin away from the push block is inserted into the guide hole, one end of the push block away from the inclined ejector pin is connected with the ejection assembly through the fixed die seat, the ejection assembly can drive the push block to move vertically in the fixed die seat, the push block drives the inclined ejector pin to be inserted into the guide hole, so that the row block moves close to or away from the fixed die core in the movable groove.

2. A forming mold for producing a lamp ring according to claim 1, characterized in that: The fixed die groove is provided with two or more than two, and the row block is provided with a movable die groove corresponding to the number of fixed die grooves.

3. A forming mold for producing a lamp ring according to claim 1, characterized in that: The fixed die groove is provided with two or more than two and the number is double, the fixed die grooves are symmetrically distributed in two rows, the row block is provided with two, the two row blocks are symmetrically arranged, the two row blocks are distributed corresponding to the two rows of fixed die grooves, and the push block is provided with two symmetric inclined ejector pins, the two inclined ejector pins drive the two row blocks to move respectively.

4. A forming die for producing a lamp ring according to any one of claims 1 to 3, characterized in that: The movable die assembly comprises a movable die fixed plate, a movable die seat and a movable die core, the movable die seat is arranged on the movable die fixed plate, the movable die core is installed at one end of the movable die seat away from the movable die fixed plate, the movable die core is provided with a movable die groove at one end close to the fixed die core, and the movable die groove and the fixed die groove are combined to form an injection mold cavity.

5. A forming die for producing a lamp rim according to claim 4, characterized in that: The movable die fixed plate is provided with a positioning sleeve, the fixed die fixed plate is provided with a positioning rod, one end of the positioning rod is inserted into the positioning sleeve, and when the movable die assembly and the fixed die assembly are opened or closed, the positioning rod slides in the positioning sleeve along the axis of the positioning sleeve.

6. A forming mold for producing a lamp ring according to any one of claims 1 to 3, characterized in that: The ejection assembly comprises a ejector pin and a push plate, one end of the ejector pin is fixedly arranged on the push plate, one end of the ejector pin away from the push plate extends to the movable die groove, the push block is fixedly connected with the push plate, and one end of the push plate close to the fixed die fixed plate is connected with the demolding rod of the injection molding machine.

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