Anti-flash switch panel injection mold

Abstract

The utility model relates to the technical field of injection molds, in particular to an anti-flash switch panel injection mold which comprises a movable mold and a fixed mold installed on the movable mold, a cushion block is installed at the bottom of the movable mold, a telescopic column is arranged among the fixed mold, the movable mold and the cushion block in a penetrating mode, a mold plate is fixedly installed at the bottom end of the cushion block, and a spring column is fixedly installed on the mold plate. A plurality of inclined rods and ejector rods penetrate through a mold core in the movable mold, the inclined rods and the ejector rods are distributed at the bottom of the cavity in a surrounding mode, clamping bases are installed at the bottom ends of the inclined rods and the ejector rods in a sliding mode, and a center column and a plurality of sets of supporting columns are further fixedly installed on the mold plate. When an injection molding machine injects pressure into a cavity, the vertical rods and the inclined rods are flush with the mold core in height, meanwhile, the center column and the multiple sets of supporting columns are fixedly installed on the mold plate, the movable mold is supported through a combined cross shape, the mold clamping force of the movable mold and the fixed mold is improved, the mold frame is high in strength, flash is effectively prevented, and elastic deformation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an anti-flash switch panel injection mold. Background Art

[0002] A switch panel injection mold is a mold for manufacturing switch panels, usually used in the injection molding process. Through the injection mold, molten plastic material can be injected into the mold cavity and cooled and solidified under a certain pressure to finally obtain a formed switch panel product. A switch panel injection mold generally consists of a mold base, an upper mold, a lower mold, a movable part, a guide pillar, a guide sleeve, a cooling system, etc.

[0003] In the prior art, a patent with the publication number of utility model CN219727036U discloses an anti-flash injection mold, including a lower mold, an upper mold and a pressurizing mechanism. The upper mold is clamped on the lower mold. The pressurizing mechanism is fixed on the lower mold and the upper mold. The pressurizing mechanism includes a height adjusting mechanism and a plurality of extrusion mechanisms. The height adjusting mechanism is fixed on the lower mold and the plurality of extrusion mechanisms. The extrusion mechanisms are arranged on the upper mold.

[0004] The above structure avoids the generation of flash by extruding the upper mold through multiple guide rollers to prevent the gap from increasing. However, during the injection process, the mold body needs to be connected to the injection molding machine and then extruded through the guide rollers, which occupies a large volume of space and cannot directly prevent the generation of flash inside the mold body. Summary of the Utility Model

[0005] In view of this, the purpose of the present utility model is to provide an anti-flash switch panel injection mold to solve the problems of large occupied space and inability to directly prevent the generation of flash inside the mold body.

[0006] Based on the above purpose, the present utility model provides an anti-flash switch panel injection mold, including a moving mold and a fixed mold installed on the moving mold. A mold core is detachably installed between the fixed mold and the moving mold. A plurality of cavities are opened inside adjacent mold cores. An injection port communicating with the cavities is opened on the fixed mold;

[0007] A cushion block is installed at the bottom of the moving mold. A telescopic column penetrates through the fixed mold, the moving mold and the cushion block. A template is fixedly installed at the bottom end of the cushion block. A spring column is fixedly installed on the template. A thimble plate is sleeved outside the spring column. A plurality of inclined rods and ejector rods penetrate through the mold core in the moving mold. The inclined rods and the ejector rods are distributed around the bottom of the cavity. A clamping seat is slidably installed at the bottom end of each of the inclined rods and the ejector rods. The clamping seat is fixedly installed on the thimble plate. A vertical rod is arranged between the inclined rods and the ejector rods. The vertical rod is installed between the mold core and the thimble plate;

[0008] A central column and multiple sets of support columns are also fixedly installed on the template, and both the support columns and the central column penetrate through the inside of the thimble plate.

[0009] Preferably, a protrusion matching the moving mold is fixedly installed on one side of the inclined rod, and side edges are fixedly installed on the other two sides of the inclined rod.

[0010] Preferably, a fixed seat corresponding to the inclined rod is installed inside the moving mold, and the fixed seat is fixed to the moving mold by bolts.

[0011] Preferably, the top heights of the vertical rod, the inclined rod, and the ejector rod correspond to the height of the mold core inside the moving mold, and the bottom ends of the inclined rod and the ejector rod are both in the shape of a capital "I".

[0012] Preferably, multiple sets of support columns are arranged between the inclined rods. A circular ring is sleeved outside multiple sets of the support columns, a collar is sleeved outside the central column, and connecting rods are fixedly installed between the collar and the circular ring.

[0013] Preferably, there are at least six sets of support columns, and the support columns are distributed in a cross shape.

[0014] Advantages of the present utility model:

[0015] During the injection process, when the injection molding machine injects pressure into the cavity, by using the fact that the heights of the vertical rod and the inclined rod are flush with the mold core, and at the same time, a central column and multiple sets of support columns are fixedly installed on the template, the combined cross shape is used to support the moving mold, improving the clamping force between the moving mold and the fixed mold, with high mold frame strength, effectively preventing flash from generating, and avoiding elastic deformation. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings described below are only those of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the whole of the present utility model;

[0018] Figure 2 It is a front view structural schematic diagram of the whole of the present utility model;

[0019] Figure 3 It is the present utility model Figure 2 The cross-sectional structural schematic diagram at A-A in;

[0020] Figure 4 It is the connection structural schematic diagram of the collar and the circular ring of the present utility model;

[0021] Figure 5 This is a schematic structural diagram of the moving die and the lower die insert of the present utility model;

[0022] Figure 6 This is a schematic connection structure diagram of the lifter rod and the fixed seat of the present utility model.

[0023] The markings in the figure are: 1, fixed die; 2, moving die; 3, fixed seat; 4, die insert; 5, cavity; 6, spacer block; 7, template; 8, ejector plate; 9, telescopic column; 10, spring column; 11, injection port; 12, vertical rod; 13, inclined rod; 14, clamping seat; 15, support column; 16, ring; 17, ejector rod; 18, protrusion; 19, side; 20, connecting rod; 21, central column; 22, collar. Specific embodiments

[0024] To make the objectives, technical solutions, and advantages of the present utility model clearer and more understandable, the following further elaborates on the present utility model in detail with reference to specific embodiments.

[0025] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 shown, an anti-flash switch panel injection mold includes a moving die 2 and a fixed die 1 installed on the moving die 2. A die insert 4 is detachably installed between the fixed die 1 and the moving die 2. A plurality of cavities 5 are formed inside adjacent die inserts 4. An injection port 11 communicating with the cavity 5 is formed on the fixed die 1;

[0026] A spacer block 6 is installed at the bottom of the moving die 2. A telescopic column 9 penetrates through the fixed die 1, the moving die 2, and the spacer block 6. A template 7 is fixedly installed at the bottom end of the spacer block 6. A spring column 10 is fixedly installed on the template 7. An ejector plate 8 is sleeved outside the spring column 10. A plurality of inclined rods 13 and ejector rods 17 penetrate through the die insert 4 in the moving die 2. The inclined rods 13 and the ejector rods 17 are distributed around the bottom of the cavity 5. A clamping seat 14 is slidably installed at the bottom ends of the inclined rods 13 and the ejector rods 17. The clamping seat 14 is fixedly installed on the ejector plate 8. A vertical rod 12 is arranged between the inclined rods 13 and the ejector rods 17. The vertical rod 12 is installed between the die insert 4 and the ejector plate 8;

[0027] A central column 21 and multiple groups of support columns 15 are also fixedly installed on the template 7. The support columns 15 and the central column 21 penetrate through the inside of the ejector plate 8.

[0028] In this embodiment, the movable mold 2 is driven upward by the injection molding machine to close the movable mold 2 and the fixed mold 1, and the adjacent mold cores 4 are closed, and then connected with the cavity 5 through the injection port 11, and the injection material flows to the cavity 5 and is injected into the product. During the injection process, when the injection molding machine injects pressure into the cavity 5, the height of the vertical rod 12 and the inclined rod 13 is flush with the mold core 4. At the same time, a center column 21 and a plurality of support columns 15 are fixedly installed on the template 7. The combined cross shape is used to support the movable mold 2, thereby improving the clamping force of the movable mold 2 and the fixed mold 1. The mold frame has high strength and effectively prevents the generation of flash.

[0029] As an implementation method, Figure 6 As shown, a protrusion 18 matching the movable mold 2 is fixedly installed on one side of the inclined rod 13, and side edges 19 are fixedly installed on the other two sides of the inclined rod 13.

[0030] In this embodiment, the protrusion 18 on one side of the inclined rod 13 is used to support the movable mold 2, thereby improving the supporting strength of the movable mold 2 and making the movable mold 2 and the fixed mold 1 mold frame strong. When the side 19 is moved upward by the ejector plate 8, the vertical rod 12 and the ejector rod 17 in the holder 14 continue to move upward, and the inclined rod 13 moves in the fixed seat 3 and moves upward along the side 19 to lift the workpiece, making the ejection of the mold smoother.

[0031] As an implementation method, Figure 6 As shown, a fixing seat 3 corresponding to the inclined rod 13 is installed inside the movable mold 2, and the fixing seat 3 and the movable mold 2 are fixed by bolts.

[0032] In this embodiment, when the injection molding machine drives the ejector plate 8 to move upward again, the ejector plate 8 moves along the spring column 10, and the ejector plate 8 is upward outside the center column 21. The vertical rod 12 and the ejector rod 17 in the holder 14 on the ejector plate 8 continue to move upward, and the inclined rod 13 moves in the fixed seat 3 to ensure that the upward lifting of the inclined rod 13 is stable and avoid deviation of the inclined rod 13 and the vertical rod 12 when the mold is pushed upward.

[0033] As an implementation method, Figure 1 , Figure 5 As shown, the top ends of the vertical rod 12, the oblique rod 13 and the top rod 17 correspond to the height of the mold core 4 in the movable mold 2, and the bottom ends of the oblique rod 13 and the top rod 17 are both I-shaped.

[0034] In this embodiment, during the injection process, when the injection molding machine applies pressure to the inside of the cavity 5, the height of the vertical rod 12 and the inclined rod 13 is flush with the mold core 4, and the inclined rod 13, the top rod 17 and the vertical rod 12 are supported. When the mold is pushed, the I-shaped bottom end of the inclined rod 13 and the vertical rod 12 is moved on the clamping seat 14 to reduce the upward resistance of the inclined rod 13 and the vertical rod 12.

[0035] As an implementation method, Figure 4As shown in the figure, multiple sets of support columns 15 are arranged between the diagonal rods 13. A circular ring 16 is sleeved outside the multiple sets of support columns 15, and a collar 22 is sleeved outside the central column 21. Connecting rods 20 are fixedly installed between the collar 22 and the circular ring 16.

[0036] In this embodiment, during the injection process, when the injection molding machine injects pressure into the cavity 5, an injection pressure is generated. A central column 21 and multiple sets of support columns 15 are also fixedly installed on the template 7. The combined cross shape is used to support the moving mold 2, improving the clamping force between the moving mold 2 and the fixed mold 1.

[0037] After the adjacent mold cores 4 are opened, the workpiece, together with the bottom mold core 4 and the moving mold 2, moves downward. When the injection molding machine drives the ejector plate 8 to move upward, the ejector plate 8 moves upward outside the central column 21 until it contacts the collar 22 and moves upward. The collar 22 uses the connecting rod 20 to connect multiple circular rings 16, driving the circular rings 16 to coincide with the support columns 15, increasing the contact surface with the moving mold 2, and applying an upward force to the bottom of the moving mold 2 together.

[0038] As an implementation method, as Figure 1 , Figure 2 and Figure 3 shown, there are at least six sets of support columns 15, and the support columns 15 are distributed in a cross shape.

[0039] In this embodiment, the combined cross shape is used to support the moving mold 2, further improving the support stability and preventing the mold cores 4 from loosening.

[0040] Working principle: During use, the injection molding machine drives the moving mold 2 to move upward to close the moving mold 2 and the fixed mold 1, and the adjacent mold cores 4 are closed. Then, through the injection port 11, it is communicated with the cavity 5, and the injection material flows to the cavity 5 to be injection molded into a product. During the injection process, when the injection molding machine injects pressure into the cavity 5, by using the fact that the height of the vertical rod 12 and the diagonal rod 13 is flush with the mold core 4, the protrusion 18 on one side of the diagonal rod 13 corresponds to support the moving mold 2. At the same time, a central column 21 and multiple sets of support columns 15 are also fixedly installed on the template 7. The combined cross shape is used to support the moving mold 2, improving the clamping force between the moving mold 2 and the fixed mold 1, with high mold frame strength and preventing flash from generating.

[0041] After the workpiece is formed, the injection molding machine drives the moving mold 2 to move downward to open the moving mold 2 and the fixed mold 1. After the adjacent mold cores 4 are opened, the workpiece, the mold core 4 at the bottom, and the moving mold 2 move downward together. When the injection molding machine drives the ejector plate 8 to move upward again, the ejector plate 8 moves along the spring column 10. On the ejector plate 8, it moves upward outside the central column 21 until the contact collar 22 moves upward. The collar 22 is connected to multiple groups of rings 16 by the connecting rod 20, driving the rings 16 to move upward and applying an upward force to the bottom of the moving mold 2 together with the support columns 15. At the same time, the vertical rod 12 and the ejector rod 17 in the clamping seat 14 on the ejector plate 8 continue to move upward. The inclined rod 13 moves in the fixed seat 3, and the side 19 at the top of the inclined rod 13 jacks up the workpiece upward, demolding the workpiece and the mold core 4 in the cavity 5, thereby reducing the resistance during the opening and closing process, making the mold open and close more smoothly, and extending the service life of the mold.

[0042] Those of ordinary skill in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; under the concept of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations in different aspects of the present invention as described above, which are not provided in detail for the sake of brevity.

[0043] The present invention is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An anti-flash switch panel injection mold, comprising a movable mold (2) and a fixed mold (1) mounted on the movable mold (2), a mold core (4) being detachably mounted between the fixed mold (1) and the movable mold (2), a plurality of mold cavities (5) being provided inside adjacent mold cores (4), and an injection port (11) being provided on the fixed mold (1) and communicating with the mold cavities (5); A cushion block (6) is installed at the bottom of the movable mold (2), a telescopic column (9) is provided between the fixed mold (1), the movable mold (2) and the cushion block (6), a template (7) is fixedly installed at the bottom end of the cushion block (6), a spring column (10) is fixedly installed on the template (7), and an ejector plate (8) is sleeved on the outside of the spring column (10), characterized in that: A plurality of inclined rods (13) and ejector rods (17) are inserted into the mold core (4) of the movable mold (2). The inclined rods (13) and ejector rods (17) are distributed around the bottom of the mold cavity (5), and a holder (14) is slidably mounted on the bottom ends of the inclined rods (13) and the ejector rods (17). The holder (14) is fixedly mounted on the ejector plate (8). A vertical rod (12) is arranged between the inclined rods (13) and the ejector rods (17). The vertical rod (12) is mounted between the mold core (4) and the ejector plate (8); A central column (21) and a plurality of groups of support columns (15) are also fixedly mounted on the template (7), and the support columns (15) and the central column (21) both penetrate the interior of the ejector plate (8).

2. The anti-flash switch panel injection mold according to claim 1, characterized in that: A protrusion (18) matching the movable mold (2) is fixedly mounted on one side of the inclined rod (13), and side edges (19) are fixedly mounted on the other two sides of the inclined rod (13).

3. The anti-flash switch panel injection mold according to claim 1, characterized in that: A fixing seat (3) corresponding to the inclined rod (13) is installed inside the movable mold (2), and the fixing seat (3) and the movable mold (2) are fixed by bolts.

4. The anti-flash switch panel injection mold according to claim 1, characterized in that: The top ends of the vertical rod (12), the inclined rod (13) and the top rod (17) correspond to the height of the mold core (4) in the movable mold (2), and the bottom ends of the inclined rod (13) and the top rod (17) are both I-shaped.

5. The anti-flash switch panel injection mold according to claim 1, characterized in that: A plurality of groups of support columns (15) are arranged between the oblique rods (13); a circular ring (16) is sleeved on the outside of the plurality of groups of support columns (15); a sleeve ring (22) is sleeved on the outside of the central column (21); and a connecting rod (20) is fixedly installed between the sleeve ring (22) and the circular ring (16).

6. The anti-flash switch panel injection mold according to claim 5, characterized in that: There are at least six groups of support columns (15), and the support columns (15) are distributed in a cross shape.

Images