A magnesium oxide powder tableting device

Abstract

This utility model relates to the field of powder metallurgy equipment technology, and in particular to a magnesium oxide powder tableting device, including a base, with an operating table fixedly connected to the top of the rectangular base; it also includes a mold hole, with a mold hole circumferentially formed near the center of the top of the operating table, a spiral groove formed on the inner wall of the mold hole, and a dust outlet hole formed at one end of the spiral groove near the bottom of the mold hole, the dust outlet hole connecting to a dust collection tank along the radial direction of the operating table, the dust collection tank being located on the upper part of the operating table surrounding the mold hole; compared with traditional magnesium oxide powder tableting devices, this utility model adds a dust collection mechanism, effectively reducing the escape rate of magnesium oxide powder during tableting, reducing production costs, and utilizing the dust outlet hole to allow dust of different particle sizes to pass through, effectively preventing dust from being generated by the tableting device itself, eliminating the need for external equipment, reducing the size of the tableting device, and lowering manufacturing costs, and by adding a micro heat pipe, effectively preventing the high-temperature phase transformation of magnesium oxide powder during tableting.

Description

Technical Field

[0001] This utility model relates to the field of powder metallurgy equipment technology, and in particular to a magnesium oxide powder pressing device. Background Technology

[0002] Magnesium oxide is an alkaline earth metal oxide that can be used in the biopharmaceutical field as an antacid to inhibit and alleviate excessive stomach acid, and to treat gastric and duodenal ulcers. When used as a pharmaceutical preparation, magnesium oxide needs to be compressed into tablets, and tableting equipment is one of the important pieces of equipment for preparing magnesium oxide tablets.

[0003] When magnesium oxide powder is compressed into tablets using a tableting device, the powder is filled into a mold and extruded by a stamping mechanism. During the stamping process, a large amount of dust is released due to the compressed air, resulting in waste. Existing tableting devices use induced draft fans to control the dust, but the induced draft fans cannot adapt to the settling speed of dust with different particle sizes. Furthermore, installing induced draft fans results in an excessively large tableting device with too many parts, increasing manufacturing costs.

[0004] Therefore, given the limited control of dust emission from existing tableting devices and the increased manufacturing costs due to the use of external fans, a magnesium oxide powder tableting device can be designed. By adding a dust collection mechanism, a dust flow channel is created, and the magnesium oxide powder is pushed into the dust collection mechanism by extrusion pressure, thereby reducing production costs. Utility Model Content

[0005] To overcome the problem that most magnesium oxide powder tableting devices have limited control over dust escape, and that the use of external fans increases manufacturing costs.

[0006] The technical solution of this utility model is as follows: a magnesium oxide powder pressing device, including a base and an operating table, the top of which is fixedly connected to the operating table; it also includes a dust collection tank, a mold hole, a dust outlet hole and a spiral groove. The top of the operating table has a mold hole along the circumference near the center. A spiral groove is formed on the inner wall of the mold hole. A dust outlet hole is formed at one end of the spiral groove near the bottom of the mold hole. The dust outlet hole is connected to the dust collection tank along the radial direction of the operating table. The dust collection tank is located on the upper part of the operating table outside the mold hole.

[0007] Preferably, when compressing magnesium oxide powder into tablets, the powder is placed in the mold hole on the operating table. By squeezing the mold hole, the dust enters the dust outlet along the spiral groove and enters the dust collection tank through the dust outlet, effectively preventing the powder from escaping. The dust is recovered by utilizing the tableting device's own structure, reducing the production cost of the tableting device caused by external equipment.

[0008] Preferably, the base has fixed brackets on both sides of its short side, and a cylinder is installed on the top of the fixed brackets. A lifting plate is fixedly connected to the piston end of the cylinder.

[0009] Preferably, a stamping platform is fixedly connected to the side of the lifting plate near the operating table. The shape of the stamping platform coincides with the shape of the operating table. A stamping column is fixedly connected to the bottom of the stamping platform. The stamping column slides in the mold hole. An annular groove is opened on the stamping platform near the outer periphery of the stamping column. The annular groove covers the opening of the dust collection tank.

[0010] Preferably, the lifting plate has a sliding groove on both sides of the short side, and a protrusion is slidably connected in the sliding groove. The protrusion is set on the inner wall of the fixed frame. A limit groove is opened on the side of the lifting plate away from the cylinder. A limit component is slidably connected in the limit groove and the limit component is fixedly connected to the top of the base.

[0011] Preferably, a miniature heat pipe is embedded in the end of the stamping column near the operating table.

[0012] Preferably, a lifting column is provided circumferentially inside the operating table, which passes through the model hole and slides within the model hole.

[0013] Preferably, a disc spring is installed on the circumference of the control panel near the lifting column.

[0014] The beneficial effects of this utility model are:

[0015] Compared to traditional magnesium oxide powder tableting devices, the addition of a dust collection mechanism effectively reduces the escape rate of magnesium oxide powder during tableting, thereby reducing production costs. The dust outlet allows dust of different particle sizes to pass through, and the tableting device itself effectively prevents dust from being generated, eliminating the need for external equipment, reducing the size of the tableting device, and lowering manufacturing costs. By adding a micro heat pipe, the high-temperature phase change of magnesium oxide powder during tableting can be effectively prevented. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of a magnesium oxide powder pressing device according to this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the operating table of a magnesium oxide powder tableting device according to this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional structural diagram of the model hole of a magnesium oxide powder pressing device according to this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of the stamping table of a magnesium oxide powder pressing device according to this utility model.

[0020] Figure 5 The diagram shown is a three-dimensional structural schematic of the stamping column of a magnesium oxide powder pressing device according to this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Base; 2. Fixing frame; 201. Limiting component; 3. Lifting plate; 301. Stamping table; 302. Limiting groove; 303. Stamping column; 304. Miniature heat pipe; 4. Operating table; 401. Dust collection tank; 402. Model hole; 403. Dust outlet; 404. Disc spring; 406. Lifting column; 407. Spiral groove; 5. Cylinder. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figure 1 and Figure 3 This utility model provides an embodiment: a magnesium oxide powder pressing device, including a base 1 and an operating table 4. The operating table 4 is fixedly connected to the top of the rectangular base 1. It also includes a dust collection tank 401, a mold hole 402, a dust outlet 403, and a spiral groove 407. The top of the operating table 4 has a mold hole 402 circumferentially formed near the center. The inner wall of the mold hole 402 has a spiral groove 407. The end of the spiral groove 407 near the bottom of the mold hole 402 has a dust outlet 403. The dust outlet 403 is connected to the dust collection tank 401 along the radial direction of the operating table 4. The dust collection tank 401 is located on the upper part of the operating table 4 around the mold hole 402.

[0024] Please see Figure 2 and Figure 4 In this embodiment, a fixing frame 2 is fixedly connected to both sides of the short side of the base 1. A cylinder 5 is installed on the top of the fixing frame 2. A lifting plate 3 is fixedly connected to the piston end of the cylinder 5. A stamping table 301 is fixedly connected to the side of the lifting plate 3 near the operating table 4. The shape of the stamping table 301 coincides with the shape of the operating table 4. A stamping column 303 is fixedly connected to the bottom of the stamping table 301. The stamping column 303 slides in the mold hole 402. An annular groove is opened on the periphery of the stamping table 301 near the stamping column 303. The annular groove covers the opening of the dust collection groove 401. A sliding groove is opened on both sides of the short side of the lifting plate 3. A protrusion is slidably connected in the sliding groove. The protrusion is set on the inner wall of the fixing frame 2. The lifting plate 3 is far from the side of the base 1. A limiting groove 302 is provided on one side away from the cylinder 5. A limiting component 201 is slidably connected in the limiting groove 302. The limiting component 201 is fixedly connected to the top of the base 1. When the cylinder 5 is activated, it pushes the lifting plate 3. The lifting plate 3 drives the stamping table 301 to move. The stamping table 301 drives the stamping column 303 to slide in the mold hole 402. At the same time, it drives the lifting plate 3 to slide inside the fixed frame 2 to limit the lifting plate 3. When the stamping column 303 enters the mold hole 402 and squeezes the magnesium oxide powder, the limiting component 201 slides in the limiting groove 302 to prevent the stamping pressure from being too high and causing cracks in the magnesium oxide sheet. The annular groove covers the top of the dust collection tank 401 to prevent dust from escaping.

[0025] Please see Figure 3and Figure 5 In this embodiment, a lifting column 406 is arranged circumferentially inside the operating table 4. The lifting column 406 passes through the model hole 402 and slides within the model hole 402. A disc spring 404 is installed on the circumference of the operating table 4 near the lifting column 406. The operating table 4 moves downward using the elastic force of the disc spring 404, which helps the lifting column 406 move within the model hole 402 and simultaneously extrudes magnesium oxide powder with the stamping column 303. A micro heat pipe 304 is embedded in one end of the stamping column 303 near the operating table 4. The micro heat pipe 304 operates at a stable temperature of about 45°C to prevent magnesium oxide from undergoing a high-temperature phase change.

[0026] When compressing magnesium oxide powder into tablets, the powder is placed in the mold hole 402 on the operating table 4. The cylinder 5 is activated to push the lifting plate 3. The lifting plate 3 drives the stamping table 301 to move. The stamping table 301 drives the stamping column 303 to slide in the mold hole 402. At the same time, it drives the lifting plate 3 to slide inside the fixed frame 2 to limit the lifting plate 3. When the stamping table 301 presses down on the operating table 4, the elastic force of the disc spring 404 causes the lifting column 406 to enter the mold hole 402. Together with the stamping column 303 that has entered the mold hole 402, the magnesium oxide powder is compressed. The dust enters the dust outlet hole 403 along the spiral groove 407 and enters the dust collection tank 401 through the dust outlet hole 403. At the same time, the annular groove covers the top of the dust collection tank 401 to prevent dust from escaping. The limiting member 201 slides in the limiting groove 302 to prevent the magnesium oxide tablets from cracking due to excessive stamping pressure.

[0027] Through the above steps, compared with the traditional magnesium oxide powder tableting device, the addition of a dust collection mechanism effectively reduces the escape rate of magnesium oxide powder during the tableting process, thereby reducing production costs. The dust outlet 403 allows dust of different particle sizes to pass through, and the tableting device itself effectively avoids dust generation without the need for external equipment, reducing the size of the tableting device and lowering manufacturing costs. By adding a micro heat pipe 304, the high-temperature phase change of magnesium oxide powder during the tableting process can be effectively prevented.

[0028] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A magnesium oxide powder tableting device, comprising a base (1) and an operating table (4), wherein the operating table (4) is fixedly connected to the top of the rectangular base (1), characterized in that: It also includes a dust collection trough (401), a model hole (402), a dust outlet (403), and a spiral groove (407). The top of the operating table (4) is provided with a model hole (402) along the circumference near the center. A spiral groove (407) is provided on the inner wall of the model hole (402). A dust outlet (403) is provided at one end of the spiral groove (407) near the bottom of the model hole (402). The dust outlet (403) is connected to the dust collection trough (401) along the radial direction of the operating table (4). The dust collection trough (401) is located on the upper part of the operating table (4) around the model hole (402).

2. The magnesium oxide powder tableting device according to claim 1, characterized in that: A fixed frame (2) is fixedly connected to both sides of the short side of the base (1), and a cylinder (5) is installed on the top of the fixed frame (2). A lifting plate (3) is fixedly connected to the piston end of the cylinder (5).

3. The magnesium oxide powder tableting device according to claim 2, characterized in that: A pressing platform (301) is fixedly connected to the side of the lifting plate (3) near the operating table (4). The shape of the pressing platform (301) coincides with the shape of the operating table (4). A pressing column (303) is fixedly connected to the bottom of the pressing platform (301). The pressing column (303) slides in the mold hole (402). An annular groove is opened on the periphery of the pressing platform (301) near the pressing column (303). The annular groove covers the opening of the dust collection tank (401).

4. The magnesium oxide powder tableting device according to claim 2, characterized in that: The lifting plate (3) has a sliding groove on both sides of the short side, and a protrusion is slidably connected in the sliding groove. The protrusion is set on the inner wall of the fixed frame (2). A limit groove (302) is opened on the side of the lifting plate (3) away from the cylinder (5). A limit member (201) is slidably connected in the limit groove (302). The limit member (201) is fixedly connected to the top of the base (1).

5. The magnesium oxide powder tableting device according to claim 3, characterized in that: A miniature heat pipe (304) is embedded in one end of the stamping column (303) near the operating table (4).

6. The magnesium oxide powder tableting device according to claim 1, characterized in that: The operating table (4) has a lifting column (406) arranged along the circumference inside. The lifting column (406) passes through the model hole (402) and slides inside the model hole (402).

7. The magnesium oxide powder tableting device according to claim 6, characterized in that: A disc spring (404) is installed on the circumference of the control panel (4) near the lifting column (406).

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