Mechanical bidirectional dry powder press for magnetic core forming

Abstract

The utility model discloses a mechanical two-way dry powder press for magnetic core forming, which relates to the technical field of magnetic core forming, and comprises a machine body, a cleaning mechanism is arranged at the rear part of the machine body, and the cleaning mechanism comprises a suction component, an installation frame, a pressing component, a pressing component, a pressing component and a pressing component, and the suction component is arranged at the rear part of the machine body and is welded on the rear wall of the middle section of the machine body; an exhaust fan is fixedly mounted on one side of the lower end of the mounting frame, a connecting pipe is mounted at the top end of the exhaust fan in a communicating manner, and the other end of the connecting pipe penetrates through the mounting frame to be connected with a suction cover; the telescopic assembly is arranged on the mounting frame and is used for driving the suction cover to do horizontal telescopic motion; the downward pressing assembly is arranged at the upper end of the suction cover and used for vertically extruding the suction cover, and the problems that in the prior art, most mechanical two-way dry powder presses only press original powder materials of machined parts, residual powder inevitably exists in the pressing space in a machine body after the materials are taken, and if not, the residual powder cannot be processed, and the powder cannot be directly pressed are solved. And the processing precision of the product is inevitably influenced by long-time deposition.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic core forming, in particular to a mechanical two-way dry powder press for magnetic core forming. Background Art

[0002] In the field of magnetic core manufacturing, the performance of magnetic cores directly affects the quality and application effect of the final products. The forming of magnetic cores is a crucial link in the magnetic core manufacturing process, and its forming quality, dimensional accuracy, and material density have a significant impact on the magnetic properties and thermal stability of magnetic cores. Traditional magnetic core forming methods include various processes such as pressing forming, injection molding, and extrusion molding. Among them, pressing forming, as one of the main processes in the powder metallurgy industry, has the advantages of high forming accuracy, high material utilization rate, and strong adaptability, and is widely used in magnetic core manufacturing. However, the traditional single-direction pressing method has deficiencies such as poor density consistency, high requirements for powder materials, and low production efficiency, and it is difficult to meet the needs of modern industry for high-quality and high-efficiency production. For this reason, the mechanical two-way dry powder press came into being.

[0003] Refer to the patent name: Mechanical Two-way Automatic Dry Powder Product Press (Publication No. CN202669024U). In this utility model, a follow-up device is added to the working host of the dry powder press. By pressing and releasing the limiting lever at one end of the follow-up device linked to the working host against the female die, the crosstalk between pressing and demolding during forming can be completely eliminated, and the jump caused by the wear of the female die after the machine components are used for a certain period of time can be automatically compensated, thereby improving the pressing dimensional accuracy of the product and meeting the quality requirements of high-precision dimensions of user powder products.

[0004] Based on the above document, most of the existing mechanical two-way dry powder presses only press the original powder materials of the workpieces. After taking the materials, there will inevitably be residual powder in the internal pressing space of the machine body. If not processed, the long-term accumulation will surely affect the processing accuracy of the products. For this reason, the utility model provides a mechanical two-way dry powder press for magnetic core forming. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a mechanical two-way dry powder press for magnetic core forming, which solves the problem that most of the existing mechanical two-way dry powder presses only press the original powder materials of the workpieces. After taking the materials, there will inevitably be residual powder in the internal pressing space of the machine body. If not processed, the long-term accumulation will surely affect the processing accuracy of the products.

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: A mechanical two-way dry powder press for magnetic core forming, including a machine body, a cleaning mechanism is arranged at the rear of the machine body. The cleaning mechanism includes:

[0007] The suction assembly is arranged at the rear of the machine body and includes a mounting frame welded to the rear wall of the middle section of the machine body. One side of the lower end of the mounting frame is fixedly installed with a suction fan. The top end of the suction fan is communicated and installed with a connecting pipe, and the other end of the connecting pipe passes through the mounting frame and is connected with a suction hood.

[0008] The telescopic assembly is arranged on the mounting frame and is used to drive the suction hood to perform horizontal telescopic movement.

[0009] The pressing-down assembly is arranged at the upper end of the suction hood and is used to vertically extrude the suction hood.

[0010] Preferably, the telescopic assembly includes a motor fixedly installed on the outer wall of the mounting frame, and a threaded rotating rod is rotatably installed on the inner wall of the mounting frame. The power input end of the threaded rotating rod is connected to the power output end of the motor.

[0011] Preferably, a threaded sleeve block is threadedly sleeved on the outer wall of the threaded rotating rod, and limiting insertion rods penetrating through the suction hood are fixed on both sides of the threaded sleeve block.

[0012] Preferably, the pressing-down assembly includes a top rod fixedly installed on the upper end of the mounting frame, and an inclined groove is arranged on the top rod. A sliding rod is slidably installed inside the inclined groove, and connecting rods are fixed at both ends of the sliding rod.

[0013] Preferably, a sleeve with an inner sliding rod telescopically and slidably assembled inside is fixed at the lower end of the connecting rod, and a compression spring is connected between the sleeve and the upper wall of the suction hood.

[0014] Preferably, an upper punching head and a lower punching seat are arranged on the machine body, so that the upper punching head and the lower punching seat cooperate to perform double-sided extrusion molding on the magnetic core.

[0015] Beneficial effects

[0016] The utility model provides a mechanical double-sided dry powder press for magnetic core forming. Compared with the prior art, the following beneficial effects are achieved:

[0017] (1). After the magnetic core forming operation is completed, the cleaning mechanism at the rear of the machine body starts to work to remove dust or impurities that may be generated during the forming process. By starting the suction fan, a strong suction force is generated by the connecting pipe. At the same time, the suction hood is aligned with the area to be cleaned at a suitable position, and dust collection is ready. Under the combined action of the tight fit of the suction hood and the strong suction force of the suction fan, the dust and impurities generated during the forming process are effectively collected and discharged through the exhaust port of the suction fan or collected into a designated container, thereby realizing the cleaning of the working area.

[0018] (2) The mechanical two-way dry powder press for magnetic core forming drives the threaded rotating rod to rotate through a motor. Since the threaded sleeve block is threadedly connected to the threaded rotating rod, the threaded sleeve block will perform a linear motion in the horizontal direction under the drive of the rotation of the threaded rotating rod. This motion is transmitted to the suction hood through the limit insertion rod, enabling the suction hood to flexibly adjust its horizontal position and cover a wider cleaning area. When the suction hood approaches the surface to be cleaned, the inclined groove on the ejector rod guides the slide rod to the lower position point, and then drives the sleeve and the inner slide rod through the connecting rod to apply a downward pressure to the suction hood. At the same time, the compression spring plays a role in buffering and maintaining the contact force during this process, ensuring that the suction hood can closely fit the surface to be cleaned and improving the cleaning effect. Brief Description of the Drawings

[0019] Figure 1 is the front view structural schematic diagram of the present utility model;

[0020] Figure 2 is the rear view structural schematic diagram of the present utility model;

[0021] Figure 3 is the disassembled structural schematic diagram of the cleaning mechanism of the present utility model;

[0022] Figure 4 is the connection schematic diagram of the downward pressing component and the suction hood of the present utility model;

[0023] Figure 5 is the structural schematic diagram of the downward pressing component of the present utility model.

[0024] In the figure: 1 - machine body, 2 - cleaning mechanism, 21 - suction component, 211 - mounting frame, 212 - exhaust fan, 213 - connecting pipe, 214 - suction hood, 22 - telescopic component, 221 - motor, 222 - threaded rotating rod, 223 - threaded sleeve block, 224 - limit insertion rod, 23 - downward pressing component, 231 - ejector rod, 232 - inclined groove, 233 - slide rod, 234 - connecting rod, 235 - sleeve, 236 - inner slide rod, 237 - compression spring. Detailed Description of the Preferred Embodiments

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Please refer to Figures 1-5, the present utility model provides a technical solution: a mechanical two-way dry powder press for magnetic core forming, including a machine body 1, a cleaning mechanism 2 is arranged at the rear of the machine body 1, and the cleaning mechanism 2 includes:

[0027] A suction assembly 21, arranged at the rear of the machine body 1, includes a mounting frame 211 welded to the rear wall of the middle section of the machine body 1. One side of the lower end of the mounting frame 211 is fixedly installed with a suction fan 212. The top of the suction fan 212 is interconnected and installed with a connecting pipe 213, and the other end of the connecting pipe 213 passes through the mounting frame 211 and is connected with a suction hood 214;

[0028] A telescopic assembly 22, arranged on the mounting frame 211 and used to drive the suction hood 214 to perform horizontal telescopic movement;

[0029] A downward pressing assembly 23, arranged on the upper end of the suction hood 214 and used to vertically press the suction hood 214.

[0030] In this embodiment, the suction fan 212 (specific model is BT35-11. When in use, the internal motor of the suction fan drives the impeller to start rotating. The impeller usually consists of multiple blades and is fixed on the motor shaft. When the impeller rotates, a central low-pressure area will be generated, and this low-pressure area causes the surrounding air to be sucked in) is started. Through the connecting pipe 213, a strong suction force is generated. Under the combined action of the close fit of the suction hood 214 and the strong suction force of the suction fan 212, the dust and impurities generated during the forming process are effectively collected.

[0031] In this embodiment, the telescopic assembly 22 includes a motor 221 fixedly installed on the outer side wall of the mounting frame 211. A threaded rotating rod 222 is rotatably installed on the inner wall of the mounting frame 211, and the power input end of the threaded rotating rod 222 is connected to the power output end of the motor 221. A threaded sleeve block 223 is threadedly sleeved on the outer wall of the threaded rotating rod 222, and limiting insertion rods 224 penetrating through the suction hood 214 are fixed on both sides of the threaded sleeve block 223. The motor 221 (specific model is AM34HD0404-08 stepper motor; this stepper motor is controlled to rotate by a stepper driver. The stepper driver will send specific pulse signals to the stepper motor to achieve rotation. When the pulse signals sent by the stepper driver change, the rotation direction of the motor will also change accordingly, resulting in the reverse rotation of the motor) drives the threaded rotating rod 222 to rotate. Since the threaded sleeve block 223 is threadedly connected to the threaded rotating rod 222, the threaded sleeve block 223 will perform a linear motion in the horizontal direction under the drive of the rotation of the threaded rotating rod 222. This motion is transmitted to the suction hood 214 through the limiting insertion rods 224, enabling the suction hood 214 to flexibly adjust its horizontal position.

[0032] In this embodiment, the pressing-down assembly 23 includes a ejector rod 231 fixedly installed at the upper end of the mounting bracket 211. An inclined slot 232 is provided on the ejector rod 231. A sliding rod 233 is slidably installed inside the inclined slot 232. Connecting rods 234 are fixed at both ends of the sliding rod 233. A sleeve 235 with an inner sliding rod 236 telescopically and slidably assembled therein is fixed at the lower end of the connecting rod 234. A compression spring 237 is connected between the upper wall of the suction hood 214 and the sleeve 235. When the suction hood 214 approaches the surface to be cleaned, the inclined slot 232 on the ejector rod 231 guides the sliding rod 233 to reach the lower position, and then drives the sleeve 235 and the inner sliding rod 236 through the connecting rod 234 to apply a downward pressure on the suction hood 214. At the same time, the compression spring 237 plays a role of buffering and maintaining the contact force during this process.

[0033] In this embodiment, an upper punch head and a lower punch seat are provided on the machine body 1, so that the upper punch head and the lower punch seat cooperate to perform double-sided extrusion molding on the magnetic core.

[0034] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0035] During operation, first, the dry powder material to be molded is pushed onto the lower punch seat inside the machine body 1. At this stage, the upper punch head on the machine body 1 is in the initial position and keeps a certain distance from the lower punch seat. The press is started, and the upper punch head begins to move downward. At the same time, the lower punch seat provides an upward punching force. The two jointly perform double-sided extrusion on the dry powder material placed therebetween. This double-sided extrusion method helps the dry powder material to be more evenly distributed and improves its density and strength, so as to obtain a magnetic core product with higher quality. When the upper punch head reaches the predetermined position, it stops moving. At this time, the magnetic core has been formed. Subsequently, the upper punch head will retract according to the preset program for the next operation or to take out the formed magnetic core.

[0036] After the forming operation of the magnetic core is completed, the cleaning mechanism 2 at the rear of the body 1 starts to work to remove dust or impurities that may be generated during the forming process. First, the motor 221 drives the threaded rotating rod 222 to rotate. Since the threaded sleeve block 223 is threadedly connected to the threaded rotating rod 222, the threaded sleeve block 223 will perform a linear motion in the horizontal direction under the drive of the rotation of the threaded rotating rod 222. This motion is transmitted to the suction hood 214 through the limit insertion rod 224, enabling the suction hood 214 to flexibly adjust its horizontal position and cover a wider cleaning area. When the suction hood 214 approaches the surface to be cleaned, the inclined groove 232 on the top rod 231 guides the sliding rod 233 to reach the lower position point, and then drives the sleeve 235 and the inner sliding rod 236 through the connecting rod 234 to apply a downward pressure on the suction hood 214. At the same time, the compression spring 237 plays a role of buffering and maintaining the contact force during this process, ensuring that the suction hood 214 can closely fit the surface to be cleaned and improving the cleaning effect. Finally, the exhaust fan 212 is started to generate a strong suction force through the connecting pipe 213. At the same time, the suction hood 214 is aligned with the area to be cleaned at a suitable position to prepare for dust collection; under the combined action of the close fit of the suction hood 214 and the strong suction force of the exhaust fan 212, the dust and impurities generated during the forming process are effectively collected and discharged through the exhaust port of the exhaust fan 212 or collected into a designated container, thereby realizing the cleaning of the working area.

[0037] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical two-way dry powder press for magnetic core forming, comprising a machine body (1), characterized in that: A cleaning mechanism (2) is provided at the rear of the body (1). The cleaning mechanism (2) includes: A suction assembly (21) is provided at the rear of the body (1), including a mounting bracket (211) welded to the rear wall of the middle section of the body (1). One side of the lower end of the mounting bracket (211) is fixedly installed with a suction fan (212). The top end of the suction fan (212) is interconnected and installed with a connecting pipe (213), and the other end of the connecting pipe (213) passes through the mounting bracket (211) and is connected to a suction hood (214); A telescopic assembly (22) is provided on the mounting bracket (211) and is used to drive the suction hood (214) to perform horizontal telescopic movement; A downward pressing assembly (23) is provided at the upper end of the suction hood (214) and is used to vertically squeeze the suction hood (214).

2. The mechanical two-way dry powder press for magnetic core forming according to claim 1, wherein: The telescopic assembly (22) includes a motor (221) fixedly installed on the outer wall of the mounting bracket (211). A threaded rotating rod (222) is rotatably installed on the inner wall of the mounting bracket (211), and the power input end of the threaded rotating rod (222) is connected to the power output end of the motor (221).

3. A mechanical two-way dry powder press for magnetic core forming according to claim 2, characterized in that: A threaded sleeve block (223) is threadedly sleeved on the outer wall of the threaded rotating rod (222), and limiting insertion rods (224) penetrating through the suction hood (214) are fixed on both sides of the threaded sleeve block (223).

4. A mechanical two-way dry powder press for magnetic core forming according to claim 1, characterized in that: The downward pressing assembly (23) includes a top rod (231) fixedly installed on the upper end of the mounting bracket (211). An inclined groove (232) is provided on the top rod (231), and a sliding rod (233) is slidably installed inside the inclined groove (232). Connecting rods (234) are fixed at both ends of the sliding rod (233).

5. A mechanical two-way dry powder press for magnetic core forming according to claim 4, characterized in that: The lower end of the connecting rod (234) is fixed with a sleeve (235) internally telescopically and slidably fitted with an inner sliding rod (236). A compression spring (237) is connected between the sleeve (235) and the upper wall of the suction hood (214).

6. A mechanical two-way dry powder press for magnetic core forming according to claim 1, characterized in that: An upper punching head and a lower punching seat are provided on the body (1), so that the upper punching head and the lower punching seat cooperate to perform double-sided extrusion molding on the magnetic core.

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