Stripping device for keyboard key injection molding machine

Abstract

The utility model discloses a stripping device for a keyboard key injection molding machine, which comprises a support base for supporting, a support top plate arranged on the upper end face of the support base, a blanking guide groove arranged on the inner end face of the support base close to the front part, and a blanking cylinder fixedly arranged at the center of the upper end face of the support top plate. Through the arrangement of the stripping device, the injection molding device and the falling guide plate, and the dual-demolding structure design of the falling fixed plate and the falling guide plate, after the falling fixed plate performs preliminary blanking on an injection molding part in the injection molding cavity, the blanking cylinder can perform position covering blanking on the injection molding part which is not completely blanked through the falling guide plate; and meanwhile, after injection molding is completed, the cooling liquid guide pipe on the side portion of the injection molding bottom mold can cool the injection molding part in real time through introduction of cooling liquid, the cooling efficiency of the injection molding part is effectively improved, and meanwhile the production efficiency of the equipment is also improved.

Description

Technical Field

[0001] This utility model relates to the field of injection molding equipment technology, specifically to a material stripping device for a keyboard button injection molding machine. Background Technology

[0002] Most existing keyboards are made by injection molding. Keyboard key injection molding equipment, through its unique design and function, has significantly improved the production efficiency and product quality of keyboard keys, while reducing the labor costs of keyboard key production and improving processing efficiency.

[0003] For example, the utility model patent disclosed in publication number CN219446018U discloses a keyboard key injection molding device, including an injection molding machine body and a mold mechanism. The mold mechanism includes an injection cover, a magnetic suction component, a lower injection mold, an upper injection mold, a cooling chamber, and a lifting component. The injection cover is fixedly connected to the output end of the injection molding machine body and is located inside the injection molding machine body. The magnetic suction component is located above the injection cover, and its magnetic suction end penetrates through the injection cover. The cooling chamber and the lifting component are located inside the injection molding machine body. The upper injection mold is located inside the injection cover, and the lower injection mold is located inside the cooling chamber. The upper and lower injection molds are mutually compatible. This structure allows for quick replacement of the upper and lower injection molds after injection molding, enabling the injection molding machine body to operate continuously and accelerating the processing efficiency of laptop keycaps.

[0004] Although the aforementioned key injection molding equipment can perform injection molding operations on keycaps, it is not convenient to perform a fast and stable demolding operation on the injection-molded keycaps. At the same time, its efficiency in cooling the keycaps after injection molding is also insufficient, which reduces the efficiency of the equipment in keycap production. Therefore, there is an urgent need for a material removal device for keyboard key injection molding machines to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of this invention is to provide a stripping device for a keyboard button injection molding machine to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a material ejection device for a keyboard button injection molding machine, comprising a support base for support, a support top plate provided on the upper end surface of the support base, and a material discharge guide groove provided on the inner end surface of the support base near the front. A material discharge cylinder is fixedly provided at the center of the upper end surface of the support top plate, and a drop guide plate is provided at the output end of the material discharge cylinder.

[0007] The injection molding device is fixedly mounted on the front end face of the support base, and the injection molding device is used for injection molding and sealing.

[0008] A stripping device is fixedly mounted on the rear end face of the support base, which is used for injection molding and stripping.

[0009] Preferably, the unloading device includes a fixed bracket, a first pen-shaped cylinder is fixedly disposed at the center of the rear end face of the fixed bracket, and two sets of linear slide rods for guidance are disposed at the rear end face of the output end of the fixed bracket. A guide slide is disposed at the output end of the first pen-shaped cylinder, and a drop plate is disposed at equal intervals at the front part of the guide slide. An injection mold is sealed and slidably engaged at the front part of the drop plate, and three sets of coolant conduits are disposed at equal intervals on both side end faces of the injection mold. An injection cavity is opened at equal intervals on the inner end face of the injection mold.

[0010] Preferably, the injection molding device includes a cylinder holder, a second pen-shaped cylinder is fixedly disposed at the center of the upper end face of the cylinder holder, and an upper injection mold is disposed at the output end of the second pen-shaped cylinder, and a feed guide is symmetrically disposed at the upper end face of the upper injection mold.

[0011] Preferably, the ejector plate is sealed and slidably engaged with the inside of the injection mold through the injection cavity, and the length of the ejector plate is greater than the depth of the injection cavity. A baffle is provided at the bottom of the injection cavity to limit the interior of the ejector plate and prevent the ejector plate from separating from the inside of the injection cavity, thus affecting the stability of the injection molding.

[0012] Preferably, the upper injection mold and the lower injection mold are directly opposite each other, and the upper injection mold and the opening of the injection cavity are sealed and snapped together, which can effectively improve the stability and accuracy of the docking and limiting when the upper injection mold and the lower injection mold are injected in the future.

[0013] Preferably, the side of the detachment guide plate is close to the side wall of the injection mold, and the detachment guide plate is directly opposite the discharge guide groove. The relative distance between the detachment guide plate and the injection mold is fixed. After injection molding is completed, the detachment plate can drive the injection molded part out and then enter the coverage area of ​​the detachment guide plate, which facilitates the subsequent secondary discharge of the injection molded part that has not been discharged and is stuck to the outside of the detachment plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model, through the setting of a stripping device, an injection device, and a stripping guide plate, and the dual demolding structure design of the stripping stationary plate and the stripping guide plate, allows the stripping cylinder to fill in the gaps in the incompletely stripped injection molded parts after the stripping stationary plate performs preliminary material removal inside the injection cavity. This maximizes the stability and efficiency of the equipment in demolding the injection molded parts. At the same time, after injection, the coolant conduit on the side of the injection mold bottom mold can cool the injection molded parts in real time through the introduction of coolant, effectively improving the cooling efficiency of the injection molded parts and also improving the production efficiency of the equipment. Attached Figure Description

[0016] Figure 1 This is an exploded view of the main body of this utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the present utility model;

[0018] Figure 3 This is a schematic diagram of the material removal device of this utility model;

[0019] Figure 4 This is a schematic diagram of the injection molding device of this utility model.

[0020] In the diagram: 1-Discharge cylinder, 2-Removal device, 3-Injection device, 4-Support base, 5-Removal guide plate, 6-Discharge guide groove, 7-Support top plate, 21-Linear slide bar, 22-First pen-shaped cylinder, 23-Fixed bracket, 24-Guide slide, 25-Coolant conduit, 26-Injection bottom mold, 27-Injection cavity, 28-Removal fixed plate, 31-Feed conduit, 32-Second pen-shaped cylinder, 33-Cylinder bracket, 34-Injection upper mold. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-4 This utility model provides an embodiment of a material ejector device for a keyboard button injection molding machine, comprising a support base 4 for support, a support top plate 7 provided on the upper end surface of the support base 4, and a material discharge guide groove 6 provided on the inner end surface of the support base 4 near the front. A material discharge cylinder 1 is fixedly provided at the center of the upper end surface of the support top plate 7, and a drop guide plate 5 is provided at the output end of the material discharge cylinder 1.

[0023] Injection molding device 3 is fixedly installed on the front end face of support base 4. Injection molding device 3 is used for injection molding and sealing.

[0024] The stripping device 2 is fixedly installed on the rear end face of the support base 4, which is used for injection molding and stripping.

[0025] like Figure 3 The unloading device 2 includes a fixed bracket 23. A first pen-shaped cylinder 22 is fixedly installed at the center of the rear end face of the fixed bracket 23. Two sets of linear slide rods 21 for guidance are installed at the rear end face of the output end of the fixed bracket 23. A guide slide 24 is installed at the output end of the first pen-shaped cylinder 22. A drop plate 28 is equidistantly installed at the front of the guide slide 24. An injection mold 26 is sealed and slidably engaged at the front of the drop plate 28. Three sets of coolant conduits 25 are equidistantly installed on both side end faces of the injection mold 26. An injection cavity 27 is equidistantly opened on the inner end face of the injection mold 26.

[0026] like Figure 4 The injection molding device 3 includes a cylinder holder 33. A second pen-shaped cylinder 32 is fixedly installed at the center of the upper end face of the cylinder holder 33. An upper injection mold 34 is installed at the output end of the second pen-shaped cylinder 32. A feed guide 31 is symmetrically installed on the upper end face of the upper injection mold 34.

[0027] like Figure 3 The ejector plate 28 is sealed and slidably engaged with the inside of the injection mold 26 through the injection cavity 27. The length of the ejector plate 28 is greater than the depth of the injection cavity 27. A baffle is provided at the bottom of the injection cavity 27 to limit the inside of the ejector plate 28 and prevent the ejector plate 28 from separating from the inside of the injection cavity 27, which would affect the stability of the injection molding.

[0028] like Figure 3 and Figure 4 The upper injection mold 34 and the lower injection mold 26 are directly opposite each other. The upper injection mold 34 and the opening of the injection cavity 27 are sealed and snapped together, which can effectively improve the stability and accuracy of the docking and limiting when the upper injection mold 34 and the lower injection mold 26 are injected.

[0029] like Figure 1 The side of the detachment guide plate 5 is close to the side wall of the injection mold 26, and the detachment guide plate 5 is directly opposite the unloading guide groove 6. The relative distance between the detachment guide plate 5 and the injection mold 26 is fixed. After the injection is completed, the detachment plate 28 can drive the injection molded part to be discharged and then enter the coverage area of ​​the detachment guide plate 5, which facilitates the subsequent secondary unloading of the injection molded part that has not been discharged and is stuck to the outside of the detachment plate 28.

[0030] Working principle: Before injection molding, the operator can connect the external material supply pipe to the inlet conduit 31 to facilitate a continuous supply of injection molding material. Then, the external coolant pipe can be connected to the coolant conduit 25 to facilitate cooling of the injection molded part inside the injection mold 26. During injection molding, the second pen-shaped cylinder 32 is activated, pushing the upper injection mold 34 forward so that it aligns with the injection mold 26. The injection molding material is then introduced into the injection cavity 27. After injection molding is completed, this... External coolant can be introduced into the injection mold 26 to cool the injection molded part. After cooling is completed, the first pen-shaped cylinder 22 is activated. The first pen-shaped cylinder 22 can drive the ejector plate 28 to move forward, so that the ejector plate 28 can export the injection molded part inside the injection cavity 27. If the part is completely exported, some of the injection molded part is stuck to the end of the ejector plate 28. At this time, the unloading cylinder 1 is activated. The unloading cylinder 1 can drive the ejector guide plate 5 to move downward, so that the ejector guide plate 5 can export the injection molded part outside the ejector plate 28. Finally, the part is exported through the unloading guide groove 6.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A material ejector device for a keyboard button injection molding machine, comprising a support base (4) for support, a support top plate (7) provided on the upper end face of the support base (4), and a material discharge guide groove (6) provided on the inner end face of the support base (4) near the front, a material discharge cylinder (1) fixedly provided at the center of the upper end face of the support top plate (7), and a drop guide plate (5) provided at the output end of the material discharge cylinder (1), characterized in that: Injection molding device (3), which is fixedly installed on the front end face of the support base (4), is used for injection molding and sealing; A stripping device (2) is fixedly installed on the rear end face of the support base (4), which is used for injection molding and stripping.

2. The ejector device for a keyboard button injection molding machine according to claim 1, characterized in that: The unloading device (2) includes a fixed bracket (23). A first pen-shaped cylinder (22) is fixedly installed at the center of the rear end face of the fixed bracket (23). Two sets of linear slide rods (21) for guidance are provided at the rear end face of the output end of the fixed bracket (23). A guide slide (24) is provided at the output end of the first pen-shaped cylinder (22). A drop plate (28) is provided at equal intervals at the front of the guide slide (24). An injection mold (26) is sealed and slidably engaged at the front of the drop plate (28). Three sets of coolant conduits (25) are provided at equal intervals on both side end faces of the injection mold (26). An injection cavity (27) is opened at equal intervals on the inner end face of the injection mold (26).

3. The stripping device for a keyboard button injection molding machine according to claim 2, characterized in that: The injection molding device (3) includes a cylinder holder (33), a second pen-shaped cylinder (32) is fixedly arranged at the center of the upper end face of the cylinder holder (33), and an upper injection mold (34) is arranged at the output end of the second pen-shaped cylinder (32). A feed guide (31) is symmetrically arranged at the upper end face of the upper injection mold (34).

4. The ejector device for a keyboard button injection molding machine according to claim 3, characterized in that: The release plate (28) is sealed and slidably engaged with the inside of the injection mold (26) through the injection cavity (27), and the length of the release plate (28) is greater than the depth of the injection cavity (27).

5. A stripping device for a keyboard button injection molding machine according to claim 3, characterized in that: The upper injection mold (34) is directly opposite the lower injection mold (26), and the upper injection mold (34) is sealed and snapped into place at the opening of the injection cavity (27).

6. The stripping device for a keyboard button injection molding machine according to claim 3, characterized in that: The side of the detachment guide plate (5) is close to the side wall of the injection mold (26), and the detachment guide plate (5) is directly opposite the material discharge guide groove (6).

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