Molding powder grinding device

Abstract

The utility model discloses a molding powder grinding device which comprises a grinding frame which is hollow inside and provided with an opening at the top; the cover plate is arranged at the top opening of the grinding frame in a covering manner and is rotationally connected with the grinding frame; the filter plate is arranged in the grinding frame, and the interior of the grinding frame is divided into a first containing cavity and a second containing cavity by the filter plate; the grinding device is arranged in the first accommodating cavity and is used for grinding the molding powder in the first accommodating cavity; the collecting assembly is arranged in the second containing cavity and used for collecting the ground molding powder. And the beating assembly is arranged in the second accommodating cavity and is used for beating the filter plate. Molding powder accumulation can be avoided through the beating assembly, the cover plate and the grinding frame are rotationally connected to facilitate opening for overhauling, and operation is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic powder production and processing, in particular to a plastic powder grinding device. Background Art

[0002] Plastic powder is a common plastic processing raw material, usually composed of polymer materials through grinding, crushing or granulation processes. The particle size of plastic powder can range from tens of microns to hundreds of microns. The raw materials of plastic powder are usually various types of plastic resins. By mixing different types or different proportions of plastic powder, the physical properties, chemical properties and appearance characteristics of the final product can be adjusted. In the prior art, the ground plastic powder is easy to accumulate on the filter screen. After a long period of accumulation, the plastic powder will clog the filter screen and reduce production efficiency; and the existing plastic powder grinding device is usually an integrated design, which is difficult to repair when damaged. Based on this, a plastic powder grinding device is designed. Utility Model Content

[0003] In order to overcome at least one of the defects of the prior art, the utility model provides a plastic powder grinding device. Plastic powder accumulation can be avoided by knocking the components, and the cover plate is rotatably connected to the grinding frame to facilitate opening for maintenance, which is simple to operate.

[0004] The technical solution adopted by the utility model to solve the problem is:

[0005] A plastic powder grinding device comprises: a grinding frame, which is hollow inside and open at the top; a cover plate, which is arranged on the top opening of the grinding frame and is rotatably connected to the grinding frame; a filter plate, which is arranged inside the grinding frame and divides the inside of the grinding frame into a first accommodating chamber and a second accommodating chamber; a grinding device, which is arranged in the first accommodating chamber and is used to grind the plastic powder in the first accommodating chamber; a collecting component, which is arranged in the second accommodating chamber and is used to collect the ground plastic powder; and a knocking component, which is arranged in the second accommodating chamber and is used to knock the filter plate.

[0006] By adopting the above scheme, plastic powder accumulation can be avoided by knocking the components, and the cover plate and the grinding frame are rotatably connected to facilitate opening for maintenance, which is simple to operate.

[0007] Furthermore, an inclined material inlet is provided on an opposite side of the cover plate, and the material inlet is communicated with the first accommodating cavity.

[0008] By adopting the above solution, the plastic powder can be conveniently fed through the feeding port.

[0009] Furthermore, mounting blocks are provided on both sides of the top of the grinding frame, and a hollow mounting hole is provided in the center of the mounting block.

[0010] By adopting the above solution, the installation of the transmission rod is facilitated.

[0011] Furthermore, the grinding device includes: a transmission rod, both ends of which are rotatably connected to the mounting hole, one end of the transmission rod extending to the outside of the mounting hole and connected to a first pulley; a grinding disc, which is arranged on the outer surface of the transmission rod; and grinding teeth, which are evenly distributed on the outer circumference of the grinding disc.

[0012] By adopting the above solution, the grinding of plastic powder is achieved through the grinding teeth.

[0013] Furthermore, a mounting plate is provided on one side of the grinding frame, a driving motor is provided on the mounting plate, an output shaft of the driving motor is drivingly connected to a second pulley, and the first pulley and the second pulley are connected via a belt transmission.

[0014] By adopting the above solution, the driving motor provides a power source for the rotation of the grinding disc.

[0015] Furthermore, the collecting component is a collecting frame, the interior of the collecting frame is hollow and the top is open, the collecting frame can slide in and out along the second accommodating cavity, and a handle is provided on the outer surface of the collecting frame.

[0016] By adopting the above solution, the ground plastic powder can be collected through the collection frame, and it is convenient to slide out for collection, and the handle design makes it easy to operate.

[0017] Furthermore, the knocking assembly includes: a knocking motor, two of which are provided and respectively located on two opposite side walls of the second accommodating chamber; a rotating shaft, which is fixedly connected to the output shaft of the knocking motor; a connecting rod, which is provided on both sides of the rotating shaft, and the end of the connecting rod is connected to a spring, and the end of the spring is connected to a knocking ball.

[0018] By adopting the above scheme, the rotating shaft is driven to rotate by the knocking motor, thereby driving the bridge hitting ball to knock the filter plate, thereby avoiding clogging of plastic powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the grinding frame structure of an embodiment of the utility model;

[0021] Figure 3 A schematic diagram of a grinding device according to an embodiment of the utility model;

[0022] Figure 4 A side view of an embodiment of the utility model;

[0023] Among them, the meanings of the figure numbers are as follows: 1. grinding frame; 11. mounting block; 12. mounting hole; 2. cover plate; 21. feed port; 3. filter plate; 4. grinding device; 41. transmission rod; 411. first pulley; 42. grinding disc; 43. grinding teeth; 5. collecting assembly; 51. handle; 6. knocking assembly; 61. knocking motor; 62. rotating shaft; 63. connecting rod; 64. spring; 65. knocking ball; 7. mounting plate; 71. driving motor; 72. second pulley. DETAILED DESCRIPTION

[0024] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the accompanying drawings of the present invention. Obviously, what is described here is only a part of the examples of the present invention, not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] In order to facilitate the understanding of the embodiments of the present utility model, the following will be further explained by taking specific embodiments as examples in conjunction with the drawings, and each embodiment does not constitute a limitation on the embodiments of the present utility model.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0028] See also Figure 1-Figure 4The utility model discloses a plastic powder grinding device 4: comprising a grinding frame 1, a cover plate 2, a filter plate 3, a grinding device 4, a collecting component 5 and a knocking component 6, wherein the interior of the grinding frame 1 is hollow and the top is open; the cover plate 2 is arranged on the top opening of the grinding frame 1 and is rotatably connected to the grinding frame 1; the filter plate 3 is arranged inside the grinding frame 1 and divides the interior of the grinding frame 1 into a first accommodating chamber and a second accommodating chamber; the grinding device 4 is arranged in the first accommodating chamber to grind the plastic powder in the first accommodating chamber; the collecting component 5 is arranged in the second accommodating chamber to collect the ground plastic powder; the knocking component 6 is arranged in the second accommodating chamber to knock the filter plate 3. The knocking component 6 can avoid the accumulation of plastic powder, and the cover plate 2 is rotatably connected to the grinding frame 1 to facilitate opening for inspection, and the operation is simple.

[0029] In this embodiment, an inclined feed port 21 is provided on one opposite side of the cover plate 2 , and the feed port 21 is communicated with the first accommodating cavity, so that the feeding of plastic powder is conveniently performed through the feed port 21 .

[0030] In this embodiment, mounting blocks 11 are provided on both sides of the top of the grinding frame 1, and a hollow mounting hole 12 is provided in the center of the mounting block 11 to facilitate the installation of the transmission rod 41. The grinding device 4 includes a transmission rod 41, a grinding disc 42 and grinding teeth 43. Both ends of the transmission rod 41 are rotatably connected to the mounting holes 12, one end of the transmission rod 41 extends to the outside of the mounting hole 12 and is connected to a first pulley 411, the grinding disc 42 is provided on the outer surface of the transmission rod 41, and the grinding teeth 43 are evenly distributed on the outer circumference of the grinding disc 42. The grinding of plastic powder is achieved by the grinding teeth 43.

[0031] In this embodiment, a mounting plate 7 is provided on one side of the grinding frame 1, and a driving motor 71 is provided on the mounting plate 7. The output shaft of the driving motor 71 is connected to the second pulley 72 through a transmission. The first pulley 411 and the second pulley 72 are connected through a belt transmission, and the driving motor 71 provides a power source for the rotation of the grinding disc 42.

[0032] In this embodiment, the collecting component 5 is a collecting frame, which is hollow inside and open at the top, and can slide in and out along the second accommodating cavity. The outer surface of the collecting frame is provided with a handle 51. The collecting frame can collect the ground plastic powder, and is convenient for sliding out for collection. The handle 51 is designed to facilitate operation.

[0033] In this embodiment, the knocking assembly 6 includes a knocking motor 61, a rotating shaft 62 and a connecting rod 63. The knocking motors 61 are provided with two and are respectively located on two opposite side walls of the second accommodating chamber; the rotating shaft 62 is fixedly connected to the output shaft of the knocking motor 61; the connecting rod 63 is provided on both sides of the rotating shaft 62, and the end of the connecting rod 63 is connected with a spring 64, and the end of the spring 64 is connected with a knocking ball 65. The knocking motor 61 drives the rotating shaft 62 to rotate, thereby driving the bridge ball to knock the filter plate 3 to avoid clogging of plastic powder.

[0034] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A plastic powder grinding device, characterized in that: include: A grinding frame, wherein the interior of the grinding frame is hollow and the top is open; A cover plate, the cover plate is arranged on the top opening of the grinding frame and is rotatably connected to the grinding frame; A filter plate, wherein the filter plate is disposed inside the grinding frame and divides the inside of the grinding frame into a first accommodating chamber and a second accommodating chamber; A grinding device, which is disposed in the first accommodating chamber and is used to grind the plastic powder in the first accommodating chamber; A collecting component, which is disposed in the second containing chamber and is used to collect the ground plastic powder; A knocking assembly, which is disposed in the second accommodating chamber and is used to knock the filter plate; The grinding device comprises: A transmission rod, both ends of which are rotatably connected to the mounting hole, and one end of the transmission rod extends to the outside of the mounting hole and is connected to a first pulley; A grinding disc, the grinding disc being arranged on the outer surface of the transmission rod; Grinding teeth, the grinding teeth are evenly distributed on the outer circumference of the grinding disc; The striking assembly comprises: A striking motor, wherein two striking motors are provided and are respectively located on two opposite side walls of the second accommodating chamber; A rotating shaft, the rotating shaft is fixedly connected to the output shaft of the striking motor; A connecting rod is arranged on both sides of the rotating shaft, and the end of the connecting rod is connected to a spring, and the end of the spring is connected to a knocking ball.

2. A plastic powder grinding device according to claim 1, characterized in that: An inclined material inlet is provided on an opposite side of the cover plate, and the material inlet is communicated with the first accommodating cavity.

3. A plastic powder grinding device according to claim 2, characterized in that: Mounting blocks are arranged on both sides of the top of the grinding frame, and a hollow mounting hole is arranged in the center of the mounting block.

4. A plastic powder grinding device according to claim 3, characterized in that: A mounting plate is arranged at one side of the grinding frame, a driving motor is arranged on the mounting plate, an output shaft of the driving motor is drivingly connected to a second pulley, and the first pulley and the second pulley are connected via a belt drive.

5. A plastic powder grinding device according to claim 4, characterized in that: The collecting component is a collecting frame, the interior of the collecting frame is hollow and the top is open, the collecting frame can slide in and out along the second accommodating cavity, and a handle is provided on the outer surface of the collecting frame.

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