Raw material filling device for powder metallurgy

Abstract

The utility model discloses a raw material filling device for powder metallurgy, which comprises a filling box, the upper side of the filling box is fixedly connected with a cover plate, the upper side of the cover plate is fixedly connected with a motor, the inner side of the filling box is provided with a dispersion unit, the inner side of the filling box is fixedly connected with a funnel, and the funnel is fixedly connected with a motor. A filling pipeline is fixedly connected to the lower side of the funnel, the dispersing unit comprises a rotating rod, the rotating rod is rotationally connected between the front inner wall and the rear inner wall of the filling box, a rotating frame is fixedly connected to the outer side of the rotating rod, a filter screen is arranged on the inner side of the rotating frame, and a first rotating shaft is rotationally connected to the lower side of a cover plate. By arranging the filling box, the feeding pipe, the processing barrel, the first rotating shaft, the stirring plate, the rotating rod, the rotating frame and the filter screen, metal powder is scattered conveniently, the scattering effect on metal powder raw materials is improved through repeated rotation of the rotating frame at the bottom, and the situation that the raw materials cake and affect the metallurgical effect is avoided.

Description

Technical Field

[0001] The utility model relates to the field of powder metallurgy, in particular to a raw material feeding device for powder metallurgy. Background Art

[0002] Powder metallurgy is a process technology for manufacturing metal materials, composite materials and various types of products by forming and sintering metal powders (or mixtures of metal powders and non-metal powders).

[0003] During powder metallurgy, raw materials need to be added into a mold to press and shape the metal powder raw materials. When feeding, a feeding device is used for feeding. During the transportation of metal powders, due to external mechanical pressure and water in the air, the metal powder raw materials are prone to caking. The caked powders will generate cracks and delamination due to uneven pressure distribution during pressing, affecting the metallurgical effect. Summary of the Utility Model

[0004] In order to overcome the deficiency that the powder raw materials are prone to caking during transportation in the prior art, which affects the metallurgical effect, one of the purposes of the utility model is to provide a raw material feeding device for powder metallurgy.

[0005] One of the purposes of the utility model is achieved by adopting the following technical scheme: a raw material feeding device for powder metallurgy, including a feeding tank: a cover plate is fixedly connected to the upper side of the feeding tank, a motor is fixedly connected to the upper side of the cover plate, a dispersion unit is arranged inside the feeding tank, a funnel is fixedly connected to the inside of the feeding tank, and a feeding pipe is fixedly connected to the lower side of the funnel;

[0006] The dispersion unit includes a rotating rod, the rotating rod is rotatably connected between the front and rear inner walls of the feeding tank, a rotating frame is fixedly connected to the outside of the rotating rod, a filter screen is arranged inside the rotating frame, a first rotating shaft is rotatably connected to the lower side of the cover plate, a feeding pipe is fixedly connected to the upper side of the cover plate, the lower end of the feeding pipe passes through the lower side of the cover plate and is fixedly connected to a processing cylinder, a plurality of stirring plates are fixedly connected to the outside of the first rotating shaft and located inside the processing cylinder, a gear member is fixedly connected to the outside of the rear end of the rotating rod, a second rotating shaft is rotatably connected to the rear side of the feeding tank, a cam is fixedly connected to the rear end of the second rotating shaft, a sliding groove is opened on the rear side of the feeding tank, a slider is slidably connected to the inside of the sliding groove, a connecting block is fixedly connected to the outside of the slider, a toothed plate is fixedly connected to the outside of the connecting block, a second bevel gear is fixedly connected to the front end of the second rotating shaft, a first bevel gear is fixedly connected to the outside of the first rotating shaft, and a connecting plate is rotatably connected to the rear side of the cam, and the connecting plate is rotatably connected to the slider.

[0007] According to the raw material feeding device for powder metallurgy, the first bevel gear is meshed with the second bevel gear. It is convenient for the first rotating shaft to control the rotation of the second rotating shaft.

[0008] According to the described raw material filling device for powder metallurgy, the toothed plate is meshed and connected with the gear part.

[0009] According to the described raw material filling device for powder metallurgy, a protective cover is fixedly connected to the rear side of the filling tank, which is convenient for protecting the later components.

[0010] According to the described raw material filling device for powder metallurgy, the number of the feed pipes is set to two.

[0011] According to the described raw material filling device for powder metallurgy, the output end of the motor is fixedly connected to the upper end of the first rotating shaft, which is convenient for rotating the first rotating shaft.

[0012] Beneficial effects:

[0013] By providing a filling tank, a feeding pipe, a treatment cylinder, a first rotating shaft, a stirring plate, a rotating rod, a rotating frame, and a filter screen, it is convenient to disperse the metal powder materials, and through the repeated rotation of the rotating frame at the bottom, the dispersion effect of the metal powder raw materials is increased, avoiding the agglomeration of the raw materials and affecting the metallurgical effect.

[0014] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. Description of the drawings

[0015] The following further describes the present utility model in conjunction with the drawings and embodiments;

[0016] Figure 1 It is the overall three-dimensional structure diagram of a raw material filling device for powder metallurgy of the present utility model;

[0017] Figure 2 It is the sectional three-dimensional structure diagram of a raw material filling device for powder metallurgy of the present utility model;

[0018] Figure 3 It is Figure 2 The enlarged view of part A in

[0019] Figure 4 It is the side three-dimensional structure diagram of a raw material filling device for powder metallurgy of the present utility model after removing the protective cover;

[0020] Figure 5 It is Figure 4 The enlarged view of part B in

[0021] Legend description:

[0022] 1. Filling box; 2. Filling pipeline; 3. Protective cover; 4. Cover plate; 5. Motor; 6. Dispersion unit; 601. Rotating rod; 602. Rotating frame; 603. Filter screen; 604. Feed pipe; 605. Processing cylinder; 606. First rotating shaft; 607. Stirring plate; 608. First bevel gear; 609. Second bevel gear; 610. Second rotating shaft; 611. Cam; 612. Connecting plate; 613. Chute; 614. Slide block; 615. Connecting block; 616. Tooth plate; 617. Gear part; 7. Hopper. Detailed implementation manners

[0023] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be construed as a limitation on the protection scope of the present invention.

[0024] Refer to Figure 1 - Figure 5 , a raw material filling device for powder metallurgy, including a filling box 1: A cover plate 4 is fixedly connected to the upper side of the filling box 1, a motor 5 is fixedly connected to the upper side of the cover plate 4, a dispersion unit 6 is arranged inside the filling box 1, a hopper 7 is fixedly connected to the inside of the filling box 1, the lower side of the hopper 7 is fixedly connected to a filling pipeline 2, and the lower side of the filling pipeline 2 passes through the lower side of the filling box 1. The hopper 7 facilitates the centralized discharge of metal powder raw materials.

[0025] The dispersion unit 6 includes a rotating rod 601, which is rotatably connected between the front and rear inner walls of the filling tank 1. A rotating frame 602 is fixedly connected to the outer side of the rotating rod 601. A filter screen 603 is arranged inside the rotating frame 602. A first rotating shaft 606 is rotatably connected to the lower side of the cover plate 4. A feed pipe 604 is fixedly connected to the upper side of the cover plate 4. The lower end of the feed pipe 604 passes through the lower side of the cover plate 4 and is fixedly connected to a treatment cylinder 605. A plurality of stirring plates 607 are fixedly connected to the outer side of the first rotating shaft 606 and inside the treatment cylinder 605. A gear member 617 is fixedly connected to the outer side of the rear end of the rotating rod 601. A second rotating shaft 610 is rotatably connected to the rear side of the filling tank 1. A cam 611 is fixedly connected to the rear end of the second rotating shaft 610. A chute 613 is formed on the rear side of the filling tank 1. A slider 614 is slidably connected inside the chute 613. A connecting block 615 is fixedly connected to the outer side of the slider 614. A toothed plate 616 is fixedly connected to the outer side of the connecting block 615. A second bevel gear 609 is fixedly connected to the front end of the second rotating shaft 610. A first bevel gear 608 is fixedly connected to the outer side of the first rotating shaft 606. A connecting plate 612 is rotatably connected to the rear side of the cam 611. The connecting plate 612 is rotatably connected to the slider 614. The first bevel gear 608 is meshed with the second bevel gear 609. The toothed plate 616 is meshed with the gear member 617. The number of the feed pipes 604 is two. The output end of the motor 5 is fixedly connected to the upper end of the first rotating shaft 606. During use, through the feed pipe 604, the metal powder raw material enters the treatment cylinder 605. At the same time, the motor 5 is started. The motor 5 drives the first rotating shaft 606 to rotate. The first rotating shaft 606 drives the stirring plates 607 to rotate, facilitating the preliminary dispersion of the metal powder by the stirring plates 607. At the same time, the first rotating shaft 606 drives the first bevel gear 608 to rotate. The first bevel gear 608 drives the second bevel gear 609 to rotate. The second bevel gear 609 drives the second rotating shaft 610 to rotate. The second rotating shaft 610 drives the cam 611 to rotate. The cam 611 drives the connecting plate 612 to rotate. The connecting plate 612 drives the slider 614 to move repeatedly in the left and right directions. The slider 614 drives the connecting block 615 to move. The connecting block 615 drives the toothed plate 616 to move. The toothed plate 616 drives the gear member 617 to rotate repeatedly. The gear member 617 drives the rotating rod 601 to rotate. The rotating rod 601 drives the rotating frame 602 to rotate repeatedly, causing the metal powder in the treatment cylinder 605 to fall into the lower rotating frame 602 to generate vibration. The vibration disperses the metal powder again, enhancing the dispersion effect and facilitating the uniform distribution of the discharged metal powder raw material in the mold, avoiding uneven stress during the pressing of the agglomerated metal powder raw material.

[0026] A protective cover 3 is fixedly connected to the rear side of the filling tank 1. The protective cover 3 facilitates the protection of the internal components.

[0027] Working principle: During use, the metal powder raw material is added into the processing cylinder 605 through the feed pipe 604. The motor 5 is started, and the stirring plate 607 on the rotating shaft 606 controls the preliminary dispersion of the metal powder raw material. Meanwhile, under the action of the bevel gear 608, the bevel gear 609, and the rotating shaft 610, the rotating shaft 606 controls the rotation of the rotating shaft 610. Under the action of the cam 611, the connecting plate 612, the slider 614, the connecting block 615, the toothed plate 616, and the gear member 617, the rotating frame 602 on the rotating rod 601 is controlled to rotate repeatedly, facilitating the vibration generated to disperse the metal powder raw material again, avoiding the agglomeration of the metal raw material and affecting the subsequent pressing effect.

[0028] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A raw material filling device for powder metallurgy, characterized in that: The invention comprises a filling box (1): a cover plate (4) is fixedly connected to the upper side of the filling box (1), a motor (5) is fixedly connected to the upper side of the cover plate (4), a dispersion unit (6) is arranged on the inner side of the filling box (1), a funnel (7) is fixedly connected to the inner side of the filling box (1), and a filling pipe (2) is fixedly connected to the lower side of the funnel (7); The dispersion unit (6) comprises a rotating rod (601), the rotating rod (601) being rotatably connected between the front and rear inner walls of the filling box (1), the outer side of the rotating rod (601) being fixedly connected to a rotating frame (602), the inner side of the rotating frame (602) being provided with a filter screen (603), the lower side of the cover plate (4) being rotatably connected to a rotating shaft 1 (606), the upper side of the cover plate (4) being fixedly connected to a feed pipe (604), the lower end of the feed pipe (604) passing through the lower side of the cover plate (4) being fixedly connected to a treatment cylinder (605), the outer side of the rotating shaft 1 (606) and located on the inner side of the treatment cylinder (605) being fixedly connected to a plurality of stirring plates (607), the outer side of the rear end of the rotating rod (601) being fixedly connected to a gear member (617), the The rear side of the filling box (1) is rotatably connected to a second rotating shaft (610), the rear end of the second rotating shaft (610) is fixedly connected to a cam (611), the rear side of the filling box (1) is provided with a slide groove (613), the inner side of the slide groove (613) is slidably connected to a slider (614), the outer side of the slider (614) is fixedly connected to a connecting block (615), the outer side of the connecting block (615) is fixedly connected to a toothed plate (616), the front end of the second rotating shaft (610) is fixedly connected to a second bevel gear (609), the outer side of the first rotating shaft (606) is fixedly connected to a first bevel gear (608), the rear side of the cam (611) is rotatably connected to a connecting plate (612), and the connecting plate (612) is rotatably connected to the slider (614).

2. A raw material filling device for powder metallurgy according to claim 1, characterized in that: The bevel gear one (608) is meshingly connected with the bevel gear two (609).

3. A raw material filling device for powder metallurgy according to claim 1, characterized in that: The tooth plate (616) is meshingly connected with the gear member (617).

4. A raw material filling device for powder metallurgy according to claim 1, characterized in that: A protective cover (3) is fixedly connected to the rear side of the filling box (1).

5. The raw material filling device for powder metallurgy according to claim 1, characterized in that: The number of the feeding pipes (604) is two.

6. A raw material filling device for powder metallurgy according to claim 1, characterized in that: The output end of the motor (5) is fixedly connected to the upper end of the first rotating shaft (606).

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