Powder feeding mechanism and magnetic core pressing device

Abstract

The utility model discloses a powder feeding mechanism and a magnetic core pressing device.The powder feeding mechanism comprises a material barrel, a rotating assembly and a material blocking assembly, a feeding port is formed in the top of the material barrel, a discharging port is formed in the bottom of the material barrel, the rotating assembly is arranged at the end, close to the discharging port, of the material barrel, and the material blocking assembly is arranged on the rotating assembly; the rotating assembly comprises a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are horizontally arranged in the middle of the discharging port, and the material blocking assembly comprises a first material blocking plate and a second material blocking plate. The first material blocking plate and the second material blocking plate are connected with the first rotating shaft and the second rotating shaft respectively, and the first rotating shaft and the second rotating shaft drive the first material blocking plate and the second material blocking plate to move respectively. And the first material blocking plate and the second material blocking plate gradually open the discharging opening from the side wall of the charging barrel.

Description

Technical Field

[0001] This application relates to the field of magnetic core production technology, and in particular to a powder feeding mechanism and a magnetic core pressing device. Background Technology

[0002] In the production process of magnetic cores, powder is filled into the mold cavity by a feeding mechanism, and then the powder in the mold cavity is pressed into a blank by a pressing mechanism. When a straight tube structure is used for powder filling, the inertial impact force of the powder is large due to gravity, resulting in uneven powder distribution in the mold cavity. This leads to poor density uniformity of the blank, poor dimensional defects after sintering, wasted time and manpower, and reduced production efficiency. Utility Model Content

[0003] This application aims to solve at least one of the technical problems existing in the prior art. To this end, this application proposes a powder feeding mechanism that can ensure a balanced distribution of powder in the mold cavity, resulting in good density uniformity of the blank, reducing labor intensity, improving production efficiency, and enhancing product quality.

[0004] This application also proposes a magnetic core pressing device to ensure a balanced distribution of powder filling in the mold cavity, resulting in good density uniformity of the pressed blank, reducing labor intensity, improving production efficiency, and enhancing product quality.

[0005] According to the powder feeding mechanism of the first aspect of this application, a material cylinder, a rotating assembly, and a baffle assembly are provided. The top of the material cylinder is provided with a feed inlet, and the bottom of the material cylinder is provided with a discharge outlet. The rotating assembly is disposed at one end of the material cylinder near the discharge outlet. The rotating assembly includes a first rotating shaft and a second rotating shaft, which are horizontally arranged in the middle of the discharge outlet. The baffle assembly includes a first baffle plate and a second baffle plate, which are respectively connected to the first rotating shaft and the second rotating shaft. The first rotating shaft and the second rotating shaft respectively drive the first baffle plate and the second baffle plate to move, so that the first baffle plate and the second baffle plate gradually open the discharge outlet from the side wall of the material cylinder.

[0006] According to the powder feeding mechanism described in the first aspect of this application, it has at least the following beneficial effects: by horizontally arranging the first rotating shaft and the second rotating shaft in the middle of the discharge port, and connecting the first baffle plate and the second baffle plate to the first rotating shaft and the second rotating shaft respectively, when filling powder, the first rotating shaft and the second rotating shaft respectively drive the first baffle plate and the second baffle plate to move, so that the first baffle plate and the second baffle plate rotate downward at the same time to gradually open the discharge port from the side wall of the material cylinder. At this time, the powder falls from the discharge port into the edge of the mold cavity and gathers towards the middle of the mold cavity, thereby ensuring that the powder distribution in the mold cavity is balanced, resulting in good density uniformity of the blank, reducing labor intensity, improving production efficiency, and improving product quality.

[0007] According to the powder feeding mechanism of the first aspect of this application, the rotating component further includes a drive shaft, which is disposed between the first rotating shaft and the second rotating shaft, and is connected to the first rotating shaft and the second rotating shaft respectively through a gear set.

[0008] According to the powder feeding mechanism described in the first aspect of this application, the gear set includes a driving gear, a first driven gear, and a second driven gear. The driving gear is disposed on the drive shaft, the first driven gear is disposed on the first rotating shaft, the first driven gear is meshed with the driving gear, and the second driven gear is disposed on the second rotating shaft. The second driven gear is meshed with the driving gear through an intermediate gear.

[0009] According to the powder feeding mechanism described in the first aspect of this application, the first driven gear and the second driven gear are configured as half-gear structures, the half-gear structures are provided with connecting surfaces, and the first baffle plate and the second baffle plate are respectively connected to the connecting surfaces.

[0010] According to the powder feeding mechanism described in the first aspect of this application, the drive shaft is connected to a motor, and the motor is disposed on the outside of the material cylinder.

[0011] The powder feeding mechanism according to the first aspect of this application further includes a protective cover, which is connected to the material cylinder and covers the rotating assembly.

[0012] According to the powder feeding mechanism described in the first aspect of this application, the protective cover includes a main board, a first side plate, and a second side plate. The main board is fixed inside the material cylinder by a connecting rod. The first side plate and the second side plate are respectively disposed on opposite sides of the main board. The first side plate and the second side plate are respectively adapted to the first baffle plate and the second baffle plate.

[0013] According to the powder feeding mechanism described in the first aspect of this application, a guide member is provided on the top of the main board, and the top of the guide member is configured as an arc surface.

[0014] The magnetic core pressing device according to the second aspect of this application includes the powder feeding mechanism according to the first aspect of this application.

[0015] According to the magnetic core pressing device described in the second aspect of this application, it has at least the following beneficial effects: by using the powder feeding mechanism described in the first aspect of this application, when filling powder, the first rotating shaft and the second rotating shaft respectively drive the first baffle plate and the second baffle plate to move, so that the first baffle plate and the second baffle plate rotate downward at the same time to gradually open the discharge port from the side wall of the cylinder. At this time, the powder falls from the discharge port into the edge of the mold cavity and gathers towards the center of the mold cavity, thereby ensuring that the powder distribution in the mold cavity is balanced, making the density uniformity of the blank good, reducing labor intensity, improving production efficiency, and improving product quality.

[0016] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0017] The present application will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 This is a first structural schematic diagram of the powder feeding mechanism according to an embodiment of this application;

[0019] Figure 2 This is a schematic diagram of the second structure of the powder feeding mechanism according to an embodiment of this application.

[0020] Figure label:

[0021] Material cylinder 100; feed inlet 110; discharge outlet 120; first rotating shaft 210; second rotating shaft 220; drive shaft 230; gear set 240; drive gear 250; first driven gear 260; second driven gear 270; intermediate gear 280; first baffle plate 310; second baffle plate 320; protective cover 400; main plate 410; first side plate 420; second side plate 430; connecting rod 440; guide component 450. Detailed Implementation

[0022] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0023] In the description of this application, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0024] In the description of this application, "several" means one or more, "more than" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0025] In the description of this application, unless otherwise expressly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly. Those skilled in the art can reasonably determine the specific meaning of these terms in this application based on the specific content of the technical solution. In the description of this application, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In the description of this specification, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0026] Reference Figure 1 and Figure 2The first aspect of this application provides a powder feeding mechanism, including a material cylinder 100, a rotating assembly, and a baffle assembly. The top of the material cylinder 100 is provided with a feed inlet 110, and the bottom of the material cylinder 100 is provided with a discharge outlet 120. The rotating assembly is disposed at one end of the material cylinder 100 near the discharge outlet 120. The rotating assembly includes a first rotating shaft 210 and a second rotating shaft 220, which are horizontally arranged in the middle of the discharge outlet 120. The baffle assembly includes a first baffle plate 310 and a second baffle plate 320, which are respectively connected to the first rotating shaft 210 and the second rotating shaft 220. The first rotating shaft 210 and the second rotating shaft 220 drive the first baffle plate 310 and the second baffle plate 320 to move, so that the first baffle plate 310 and the second baffle plate 320 gradually open the discharge outlet 120 from the side wall of the material cylinder 100.

[0027] By horizontally arranging the first rotating shaft 210 and the second rotating shaft 220 in the middle of the discharge port 120, and connecting the first baffle plate 310 and the second baffle plate 320 to the first rotating shaft 210 and the second rotating shaft 220 respectively, during powder filling, the first rotating shaft 210 and the second rotating shaft 220 drive the first baffle plate 310 and the second baffle plate 320 to move, so that the first baffle plate 310 and the second baffle plate 320 rotate downwards simultaneously to gradually open the discharge port 120 from the side wall of the material cylinder 100. At this time, the powder falls from the discharge port 120 into the edge of the mold cavity and gathers towards the center of the mold cavity, thereby ensuring a balanced distribution of powder filling in the mold cavity, resulting in good uniformity of the blank density, reducing labor intensity, improving production efficiency, and enhancing product quality.

[0028] The rotation angles of the first rotating shaft 210 and the second rotating shaft 220 can be adjusted according to production needs, thereby adjusting the angles of the first baffle plate 310 and the second baffle plate 320, and thus adjusting the size of the discharge port 120. This is suitable for the production of different products and ensures product quality.

[0029] Reference Figure 1 and Figure 2In this embodiment, the rotating assembly further includes a drive shaft 230, which is disposed between the first rotating shaft 210 and the second rotating shaft 220. The drive shaft 230 is connected to the first rotating shaft 210 and the second rotating shaft 220 respectively via a gear set 240. Specifically, the gear set 240 is disposed inside the material cylinder 100 and includes a driving gear 250, a first driven gear 260, and a second driven gear 270. The driving gear 250 is disposed on the drive shaft 230, the first driven gear 260 is disposed on the first rotating shaft 210, and the first driven gear 260 is meshed with the driving gear 250. The second driven gear 270 is disposed on the second rotating shaft 220, and the second driven gear 270 is meshed with the driving gear 250 via an intermediate gear 280. A motor is connected to the drive shaft 230, and the motor is disposed outside the material cylinder 100. The motor drives the drive shaft 230 to rotate, causing the drive gear 250 to drive the first driven gear 260 to rotate. Simultaneously, the drive gear 250 drives the second driven gear 270 to rotate via the intermediate gear 280, causing the first rotating shaft 210 and the second rotating shaft 220 to rotate. This allows the first baffle plate 310 and the second baffle plate 320 to cooperate in opening or closing the discharge port 120. By adopting the above structure, the first rotating shaft 210 and the second rotating shaft 220 can be linked together, eliminating the need for multiple power sources and reducing production costs. At the same time, it also allows the first baffle plate 310 and the second baffle plate 320 to move simultaneously, improving product quality.

[0030] It is conceivable that the first driven gear 260 and the second driven gear 270 are configured as half-gear structures, with connecting surfaces. The first baffle plate 310 and the second baffle plate 320 respectively mate and connect with the connecting surfaces. By adopting the above structure, the space occupied can be reduced, making the structure reasonable and compact.

[0031] It should be noted that the gear set 240 can also be located on the outside of the material cylinder 100, and this application does not impose any restrictions on this. It should also be noted that the gear set 240 can also be replaced by a pulley, and those skilled in the art can make a reasonable choice according to the actual situation, and this application does not impose any restrictions on this.

[0032] Reference Figure 1 and Figure 2Furthermore, the powder feeding mechanism also includes a protective cover 400, which is connected to the material cylinder 100 and covers the rotating assembly. Specifically, the protective cover 400 includes a main plate 410, a first side plate 420, and a second side plate 430. The main plate 410 is fixed inside the material cylinder 100 via a connecting rod 440. The first side plate 420 and the second side plate 430 are respectively disposed on opposite sides of the main plate 410, and are adapted to the first baffle plate 310 and the second baffle plate 320, respectively. Since the gear set 240 is disposed inside the material cylinder 100, the protective cover 400 protects the gear set 240, thereby preventing powder from hindering the normal operation of the gear set 240 and improving the stability and reliability of the operation. It is easy to understand that the top of the motherboard 410 is provided with a guide 450, and the top of the guide 450 is set as an arc surface, so as to guide the powder on the top of the motherboard 410, prevent the powder from accumulating on the top of the motherboard 410, and maximize the utilization of resources.

[0033] Of course, the top of the guide 450 can also be set as a triangular structure, and this application does not limit this.

[0034] A second aspect of this application provides a magnetic core pressing device, including the powder feeding mechanism described in the first aspect of this application.

[0035] By using the powder feeding mechanism described in the first aspect of this application, during powder filling, the first rotating shaft 210 and the second rotating shaft 220 respectively drive the first baffle plate 310 and the second baffle plate 320 to move, so that the first baffle plate 310 and the second baffle plate 320 rotate downwards simultaneously to gradually open the discharge port 120 from the side wall of the material cylinder 100. At this time, the powder falls from the discharge port 120 into the edge of the mold cavity and gathers towards the center of the mold cavity, thereby ensuring a balanced distribution of powder filling in the mold cavity, resulting in good uniformity of the blank density, reducing labor intensity, improving production efficiency, and enhancing product quality.

[0036] The embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application 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 this application.

Claims

1. A powder feeding mechanism, characterized by, The device includes a material cylinder, a rotating assembly, and a baffle assembly. The material cylinder has a feed inlet at the top and a discharge outlet at the bottom. The rotating assembly is located at one end of the material cylinder near the discharge outlet and includes a first rotating shaft and a second rotating shaft. The first rotating shaft and the second rotating shaft are horizontally arranged in the middle of the discharge outlet. The baffle assembly includes a first baffle plate and a second baffle plate. The first baffle plate and the second baffle plate are respectively connected to the first rotating shaft and the second rotating shaft. The first rotating shaft and the second rotating shaft drive the first baffle plate and the second baffle plate to move, so that the first baffle plate and the second baffle plate gradually open the discharge outlet from the side wall of the material cylinder.

2. The powder charging mechanism according to claim 1, wherein The rotating assembly further includes a drive shaft, which is disposed between the first rotating shaft and the second rotating shaft, and is connected to the first rotating shaft and the second rotating shaft respectively via a gear set.

3. The powder feeding mechanism according to claim 2, characterized in that, The gear set includes a driving gear, a first driven gear, and a second driven gear. The driving gear is disposed on the drive shaft, the first driven gear is disposed on the first rotating shaft, and the first driven gear is meshed with the driving gear. The second driven gear is disposed on the second rotating shaft, and the second driven gear is meshed with the driving gear through an intermediate gear.

4. The powder feeding mechanism according to claim 3, characterized in that, The first driven gear and the second driven gear are configured as half-gear structures, and the half-gear structures are provided with connecting surfaces. The first baffle plate and the second baffle plate are respectively connected to the connecting surfaces.

5. The powder feeding mechanism according to claim 2, characterized in that, The drive shaft is connected to a motor, which is located on the outside of the material cylinder.

6. The powder feeding mechanism according to claim 1, characterized in that, It also includes a protective cover, which is connected to the material cylinder and covers the rotating assembly.

7. The powder feeding mechanism according to claim 6, characterized in that, The protective cover includes a main board, a first side plate, and a second side plate. The main board is fixed inside the material cylinder by a connecting rod. The first side plate and the second side plate are respectively disposed on opposite sides of the main board. The first side plate and the second side plate are respectively adapted to the first baffle plate and the second baffle plate.

8. The powder feeding mechanism according to claim 7, characterized in that, The top of the motherboard is provided with a guide, and the top of the guide is set as an arc surface.

9. A magnetic core pressing device, characterized in that, Includes the powder feeding mechanism as described in any one of claims 1 to 8.

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