Microcellular foaming injection molding device

Abstract

The utility model relates to the technical field of microcellular foaming, in particular to a microcellular foaming injection molding device. The grinding device comprises a grinding assembly, the grinding assembly comprises two grinding rollers, a motor is fixedly arranged on one side of a support, and a flow guide plate is arranged on the lower sides of the grinding rollers. The motor drives the two dull polish sticks to polish the upper side and the lower side of the foaming board, meanwhile, a user starts the water pump in the water tank to convey clear water to the multiple spraying heads and spray water mist to the foaming board, dust generated in the polishing process is combined with the water mist and then falls down along the flow guide plate, and therefore the foaming board is polished. Meanwhile, a user operates a first push rod to drive a push plate to gradually push the foaming plate to the outside of the mold, the device automatically polishes and cleans the surface of the foaming plate after injection molding of the foaming plate is completed, and the situation that the surface of the foaming plate obtained after injection molding is completed is rough, and follow-up use of the foaming plate is affected is prevented; and the quality of injection molding finished products is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of microcellular foaming, in particular to a microcellular foaming injection molding device. BACKGROUND

[0002] The microcellular foaming injection molding machine is a device for producing microcellular foamed plastic products. The microcellular foaming injection molding process is an innovative precision injection molding technology that breaks through many limitations of traditional injection molding, significantly reduces the weight of the product, shortens the molding cycle, and greatly improves the warping deformation and dimensional stability of the product. When making foamed plates, a microcellular foaming injection molding device is usually used to injection mold the foamed plates. Because the plastic used to make the foamed plates has a certain viscosity after melting, the raw material solution injected into the mold is prone to adhere to the inner wall of the injection mold. In addition, bubbles are constantly formed and broken during the foaming injection molding process, resulting in a rough surface of the injection molded foamed plate, which affects the subsequent processing and use of the foamed plate. Therefore, we propose a microcellular foaming injection molding device. SUMMARY

[0003] The utility model aims at providing a microcellular foaming injection molding device to solve the problems raised in the background.

[0004] To achieve the above-mentioned purpose, the utility model provides a microcellular foaming injection molding device, which comprises a support, an injection molding assembly is arranged on the upper side of the support, a polishing assembly is arranged on one side of the injection molding assembly, and a cleaning assembly is arranged on the side of the polishing assembly away from the injection molding assembly. The polishing assembly comprises two sanding rods, which are symmetrically arranged on the upper side of the support. A motor is fixedly arranged on one side of the support, the rotating shaft of the motor is fixedly connected with the rotating shaft of one sanding rod, and the motor is used to drive the two sanding rods to rotate. A transmission belt is rotatably connected between the rotating shafts of the two sanding rods. A flow guide plate is arranged on the lower side of the sanding rod and is fixedly arranged in the middle of the support. The middle of the flow guide plate is designed as a hollow structure.

[0005] As a further improvement of the technical scheme, the injection molding assembly comprises a mold, which is fixedly arranged on the upper side of the support. The mold is arranged in the middle of one side of the two sanding rods. A processing bin is fixedly arranged on the upper side of the mold. A pipeline is fixedly connected between the processing bin and the mold. A stirring device and a pumping device are fixedly arranged in the processing bin.

[0006] As a further improvement of the technical solution, the side of the mold away from the polishing assembly is provided with a push plate, the side of the mold close to the polishing assembly and the side of the mold away from the polishing assembly are both provided with a slot matching the push plate, the push plate is slidingly arranged in the interior of the mold, and the side of the mold close to the push plate is fixedly provided with a first push rod for pushing the push plate.

[0007] As a further improvement of the technical solution, the slot of the side of the mold close to the polishing assembly is provided with a baffle, the baffle can slide up and down, the upper side and the interior of the mold are both provided with a clamping groove for limiting the baffle, and the upper side of the mold is fixedly provided with a second push rod for pushing the baffle.

[0008] As a further improvement of the technical solution, the cleaning assembly comprises a backing plate, the backing plate is fixedly arranged on the upper side of the support, the upper side of the backing plate is fixedly provided with a water tank, the upper side of the water tank is fixedly provided with a water inlet, and the interior of the water tank is fixedly provided with a water pump.

[0009] As a further improvement of the technical solution, the lower side of the backing plate is fixedly provided with a plurality of spray heads, the plurality of spray heads are uniformly arranged on the lower side of the backing plate, the plurality of spray heads are arranged on the upper side of the two sanding rollers, the plurality of spray heads are all arranged to be inclined towards the side of the two sanding rollers, and a water delivery pipe is fixedly connected between the water tank and the plurality of spray heads.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] In the microporous foaming injection molding device, the user drives two sanding rollers to polish the upper and lower sides of the foaming plate by starting the motor, at the same time, the user starts the water pump in the water tank to deliver clean water to the plurality of spray heads, and sprays water mist to the foaming plate, the dust generated in the polishing process combines with the water mist and falls downward along the flow guide plate, at the same time, the user drives the push plate to gradually push the foaming plate to the outside of the mold by operating the first push rod, the device automatically polishes and cleans the surface of the foaming plate after the foaming plate is injection molded, prevents the rough surface of the foaming plate after injection molding from affecting the subsequent use of the foaming plate, and improves the quality of the injection molding product of the device. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is a structure schematic view of the injection molding assembly of the utility model;

[0014] Figure 3 It is a structure schematic view of the polishing assembly of the utility model;

[0015] Figure 4The utility model discloses a cleaning assembly structure bottom view.

[0016] The meanings of the various reference numerals in the drawings are as follows:

[0017] 1, support; 2, injection molding assembly; 21, mold; 22, processing bin; 23, push plate; 24, No. 1 push rod; 25, baffle; 26, No. 2 push rod;

[0018] 3, polishing assembly; 31, sanding stick; 32, motor; 33, transmission belt; 34, deflector;

[0019] 4, cleaning assembly; 41, backing plate; 42, water tank; 43, spray head; 44, water delivery pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] Embodiment 1

[0023] Please refer to Figures 1-2As shown, the embodiment provides a microcellular foam injection molding device, which comprises a support 1, the upper side of the support 1 is provided with an injection molding assembly 2, the injection molding assembly 2 comprises a mold 21, the mold 21 is fixedly arranged on the upper side of the support 1, the upper side of the mold 21 is fixedly provided with a processing bin 22, the inside of the processing bin 22 is fixedly provided with a stirring device and a pumping device, when using the device, the user first puts the raw materials into the inside of the processing bin 22, then the user starts the stirring device in the inside of the processing bin 22 to process the raw materials, the processing bin 22 and the mold 21 are fixedly connected with a pipeline, after the raw materials are processed, the user starts the pumping device in the inside of the processing bin 22, the raw materials in the inside of the processing bin 22 flow to the inside of the mold 21 along the pipeline between the mold 21 and the processing bin 22, until the inside of the mold 21 is filled, after the raw materials in the inside of the mold 21 solidify, the foam plate is injection molded, the side of the mold 21 away from the polishing assembly 3 is provided with a push plate 23, the push plate 23 is used to push the compression molded foam plate out of the outside of the mold 21, the side of the mold 21 close to the polishing assembly 3 and the side of the mold 21 away from the polishing assembly 3 are both provided with a slot matching with the push plate 23, the push plate 23 is slidingly arranged in the inside of the mold 21, the periphery of the push plate 23 is matched with the inner wall of the mold 21, the side of the mold 21 close to the push plate 23 is fixedly provided with a first push rod 24 used to push the push plate 23, the slot in the side of the mold 21 close to the polishing assembly 3 is provided with a baffle 25, the baffle 25 can slide up and down, the baffle 25 is used to block the end of the mold 21 away from the push plate 23, the upper side and the inside of the mold 21 are both provided with a clamping groove used to limit the baffle 25, the upper side of the mold 21 is fixedly provided with a second push rod 26 used to push the baffle 25, after the foam plate is injection molded, the user drives the baffle 25 to move upwards by operating the second push rod 26, until the baffle 25 completely moves to the upper side of the mold 21, then the user drives the push plate 23 to slide to the side close to the baffle 25 by operating the first push rod 24, at the same time, the push plate 23 pushes the injection molded foam plate to the outside of the mold 21.

[0024] Please refer to Figures 1-4As shown, one side of the injection molding assembly 2 is provided with a polishing assembly 3, the polishing assembly 3 includes two sanding rollers 31, which are symmetrically arranged on the upper side of the support 1, and are used for polishing the upper and lower surfaces of the foamed board. The mold 21 is arranged in the middle of one side of the two sanding rollers 31. When the push plate 23 is driven by the push rod 24 to push the foamed board outward, the foamed board gradually slides to the middle of the two sanding rollers 31, and then the two sanding rollers 31 clamp the foamed board. One side of the support 1 is fixedly provided with a motor 32, the rotating shaft of the motor 32 is fixedly connected with the rotating shaft of one sanding roller 31, and the rotating shafts of the two sanding rollers 31 are rotatably connected with a transmission belt 33. The motor 32 is used to drive the two sanding rollers 31 to rotate. In order to prevent the two sanding rollers 31 from sliding the foamed board during polishing, the rotating direction of the two sanding rollers 31 is opposite to the moving direction of the foamed board. After the foamed board slides to the middle of the two sanding rollers 31, the user immediately starts the motor 32 to drive the two sanding rollers 31 to rotate, and the two sanding rollers 31 polish the upper and lower surfaces of the foamed board respectively. In order to prevent the surface of the foamed board from being polished and leaving more dust, the polishing assembly 3 away from the injection molding assembly 2 is provided with a cleaning assembly 4. The cleaning assembly 4 includes a pad 41, which is fixedly arranged on the upper side of the support 1. The upper side of the pad 41 is fixedly provided with a water tank 42, and the upper side of the water tank 42 is fixedly provided with a water inlet. The inside of the water tank 42 is fixedly provided with a water pump. When the foamed board is pressed, the user fills the inside of the water tank 42 with water through the water inlet on the upper side of the water tank 42. The lower side of the pad 41 is fixedly provided with a plurality of spray heads 43, which are evenly arranged on the lower side of the pad 41. The plurality of spray heads 43 are arranged on the upper side of the two sanding rollers 31. In order to facilitate the water mist to be directly sprayed to the surface of the foamed board, the plurality of spray heads 43 are inclined to the side of the two sanding rollers 31. The water tank 42 and the plurality of spray heads 43 are fixedly connected with a water delivery pipe 44. While polishing the foamed board, the user starts the water pump in the water tank 42 to deliver water to the inside of the plurality of spray heads 43. The water is compressed into water mist in the plurality of spray heads 43 and sprayed to the surface of the foamed board. The lower side of the sanding roller 31 is provided with a flow guide plate 34, which is fixedly arranged in the middle of the support 1. The middle of the flow guide plate 34 is designed as a hollow structure. The dust generated during polishing combines with the water mist and falls downward along the flow guide plate 34. At the same time, the user continues to operate the push rod 24 to drive the push plate 23 to push the foamed board to the side close to the polishing assembly 3, and receives the polished foamed board on the side away from the polishing assembly 3 of the cleaning assembly 4.

[0025] In this embodiment of the microporous foaming injection molding device, the user first puts the raw material into the processing chamber 22 for processing. Then, the user starts the pumping device inside the processing chamber 22 to transport the raw material into the mold 21 to inject the foam board into shape. Then, the user operates the first push rod 24 to drive the push plate 23 to push the foam board to the middle of the two abrasive rollers 31. Then, the user starts the motor 32 to drive the two abrasive rollers 31 to polish the upper and lower sides of the foam board. At the same time, the user starts the water pump inside the water tank 42 to deliver clean water to multiple spray nozzles 43 and spray water mist onto the foam board. The dust generated during the polishing process combines with the water mist and falls down along the guide plate 34. At the same time, the user operates the first push rod 24 to drive the push plate 23 to gradually push the foam board out of the mold 21. After the foam board is injected, the device automatically polishes and cleans the surface of the foam board, preventing the surface of the foam board after injection from being too rough and affecting the subsequent use of the foam board, thus improving the quality of the finished product of the device.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A microcellular foam injection molding device comprising a support (1), the upper side of which is provided with an injection molding assembly (2), characterized in that: The side of the injection molding assembly (2) is provided with a polishing assembly (3), and the side away from the injection molding assembly (2) is provided with a cleaning assembly (4). The polishing assembly (3) includes two sanding rods (31) symmetrically arranged on the upper side of the support (1). One side of the support (1) is fixedly provided with a motor (32). The rotating shaft of the motor (32) is fixedly connected with the rotating shaft of one sanding rod (31). The motor (32) is used for driving the two sanding rods (31) to rotate. The rotating shafts of the two sanding rods (31) are rotatably connected with a transmission belt (33). The lower side of the sanding rod (31) is provided with a guide plate (34) fixedly arranged in the middle of the support (1). The middle of the guide plate (34) is designed as a hollow structure.

2. The microcellular foam injection molding apparatus of claim 1, wherein: The injection molding assembly (2) includes a mold (21) fixedly arranged on the upper side of the support (1). The mold (21) is arranged in the middle of one side of the two sanding rods (31). The upper side of the mold (21) is fixedly provided with a processing bin (22). The processing bin (22) and the mold (21) are fixedly connected with a pipeline. The inside of the processing bin (22) is fixedly provided with a stirring device and a pumping device.

3. The microcellular foam injection molding apparatus of claim 2, wherein: The mold (21) away from the polishing assembly (3) is provided with a push plate (23). The side of the mold (21) close to the polishing assembly (3) and the side away from the polishing assembly (3) are both provided with a slot matching with the push plate (23). The push plate (23) is slidably arranged in the inside of the mold (21). The side of the mold (21) close to the push plate (23) is fixedly provided with a first push rod (24) used for pushing the push plate (23).

4. The microcellular foam injection molding apparatus of claim 3, wherein: The slot on the side of the mold (21) close to the polishing assembly (3) is provided with a baffle (25). The baffle (25) can slide up and down. The upper side and the inside of the mold (21) are both provided with a clamping groove used for limiting the baffle (25). The upper side of the mold (21) is fixedly provided with a second push rod (26) used for pushing the baffle (25).

5. The microcellular foam injection molding apparatus of claim 1, wherein: The cleaning assembly (4) includes a backing plate (41) fixedly arranged on the upper side of the support (1). The upper side of the backing plate (41) is fixedly provided with a water tank (42). The upper side of the water tank (42) is fixedly provided with a water inlet. The inside of the water tank (42) is fixedly provided with a water pump.

6. The microcellular foam injection molding apparatus of claim 5, wherein: The lower side of the backing plate (41) is fixedly provided with a plurality of spray heads (43) uniformly arranged on the lower side of the backing plate (41). The plurality of spray heads (43) are arranged on the upper side of the two sanding rods (31). The plurality of spray heads (43) are all inclined to the side of the two sanding rods (31). The water tank (42) and the plurality of spray heads (43) are all fixedly connected with a water delivery pipe (44).

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