An intelligent cold pressing and drying device and method based on metal powder processing

Abstract

The present invention discloses an intelligent cold pressing and drying device and method based on metal powder processing, which relates to the technical field of metal powder processing. It includes two frames, and a plurality of guide rods are fixedly connected between the two frames. An extrusion cylinder is fixedly connected between the plurality of guide rods. It also includes: two relatively arranged extrusion members, which are respectively arranged at both ends of the extrusion cylinder. Hydraulic telescopic rods are fixedly connected inside both frames, applying a pulse width modulation current to the electromagnetic iron plate to generate an alternating gradient magnetic field, driving the metal powder to form a three-dimensional turbulent flow in the extrusion cylinder, and the magnetic field disturbance forms a synergistic effect. During the extrusion process, the metal powder is driven by the Lorentz force generated by the alternating magnetic field, effectively overcoming the particle bridging effect of the traditional cold pressing process.

Description

Technical Field

[0001] The present invention relates to the technical field of metal powder processing, and particularly relates to an intelligent cold pressing and drying device and method based on metal powder processing. Background Art

[0002] Metal powder is often mixed with liquid. When recycling metal powder later, it is necessary to dehydrate the metal powder to achieve a specific drying effect.

[0003] Referring to an extrusion dehydration device for metal powder blocks disclosed in the patent application with the publication number CN109175385A, which includes a support plate and an extrusion box. Support legs are provided on both sides of the lower end of the support plate. On both sides of the upper end of the support plate, a support one and a support two are respectively provided. In the middle of the upper end of the support plate, a slide rail is provided. In the middle of the lower end of the support plate, a reciprocating driving device is provided. A connecting frame is fixedly connected between the reciprocating driving device and the bottom of the extrusion box. Both the support one and the support two are C-shaped structures. A guide rod is fixedly provided inside the support one. A lead screw seat is fixedly provided inside the support two. A lead screw is provided inside the lead screw seat. A servo motor is provided at the upper end of the support two. A second cross plate and a first cross plate are sequentially arranged on the lead screw from top to bottom in a threaded connection manner. A cylinder is fixedly provided at the upper end of the second cross plate. The piston rod of the cylinder penetrates through the second cross plate and is connected with a fixing plate. A plurality of pressing strips are provided below the fixing plate. A pressing plate is provided at the lower end of the first cross plate. A plurality of pressing strip holes are provided on the pressing plate. This device dehydrates through multiple extrusions, has a good dehydration effect, and the water content of the powder block after treatment is small, facilitating the treatment of subsequent processes.

[0004] When metal powder is under the action of unidirectional pressure in the cylinder, it is prone to form static accumulation due to the frictional force between particles, inducing the "particle bridging effect" (that is, the powder forms a stable arch structure, hindering the flow of materials). Existing technologies mostly rely on mechanical vibration or gas back blowing to break the accumulation. However, vibration is likely to cause powder segregation, and back blowing requires shutdown operation, resulting in a decrease in efficiency. Moreover, if the fluidity of the metal powder is poor, local dead corners are likely to occur during extrusion, resulting in a relatively high water content of the filter cake in some areas, and even the appearance of a "hard shell" phenomenon, hindering the discharge of internal moisture.

[0005] Therefore, it is necessary to provide an intelligent cold pressing and drying device and method based on metal powder processing to solve the above technical problems. Summary of the Invention

[0006] The purpose of the present invention is to provide an intelligent cold pressing and drying device and method based on metal powder processing to solve the problems of the defects of the existing technology mentioned in the above background art.

[0007] Based on the above ideas, the present invention provides the following technical solution: An intelligent cold pressing and drying device based on metal powder processing, including two frames, between which a plurality of guide rods are fixedly connected, and an extrusion cylinder is fixedly connected between the plurality of guide rods. It further includes:

[0008] Two relatively arranged extrusion members are respectively arranged at both ends of the extrusion cylinder. Hydraulic telescopic rods are fixedly connected inside both frames. The telescopic ends of the two hydraulic telescopic rods are respectively fixedly connected to the two extrusion members. Processing frames are fixedly connected to the opposite sides of the two extrusion members. A filter plate for filtration is fixedly connected to the front side of the processing frame. Rotating cylinders are arranged inside both extrusion members and are rotationally connected to the processing frame and the filter plate. A liquid spraying pipe fitting is arranged inside one of the rotating cylinders;

[0009] A plurality of fixing plates fixedly connected to the outer side of the rotating cylinder, and the plurality of fixing plates are arranged inside the processing frame. Electromagnetic iron plates are fixedly connected to one side of the plurality of fixing plates close to the rotating cylinder. After the electromagnetic iron plates are electrified, they magnetically adsorb the metal powder. A driving device for driving the rotating cylinder to rotate is arranged at one end of the rotating cylinder away from the extrusion member;

[0010] Insulating plates for insulating and shielding the electromagnetic iron plates are arranged on one side of the plurality of fixing plates. A transmission member is arranged inside the processing frame, and the insulating plates are driven to reciprocate on one side of the electromagnetic iron plates through the transmission member.

[0011] As a further scheme of the present invention: The transmission member includes:

[0012] A fixed ring frame is fixedly connected inside the processing frame, and a rotating ring is rotationally connected to the inner side of the fixed ring frame. A bevel gear ring is fixedly connected inside the fixed ring frame;

[0013] Reciprocating lead screws corresponding to the plurality of fixing plates one by one. Both ends of the plurality of reciprocating lead screws are respectively rotationally connected to the rotating cylinder and the rotating ring. One end of the reciprocating lead screw extends into the fixed ring frame, and a bevel gear is fixedly connected to one end of the reciprocating lead screw. The bevel gear is meshed with the bevel gear ring;

[0014] A sliding seat is sleeved on the outer side of the reciprocating lead screw and is connected to the reciprocating lead screw through a ball nut, and the sliding seat is slidably connected to the fixing plate. A sliding member is arranged between the sliding seat and the insulating plate.

[0015] As a further scheme of the present invention: The sliding member includes:

[0016] A limiting plate is fixedly connected between the rotating cylinder and the rotating ring, and U-shaped grooves are opened on both sides of the limiting plate;

[0017] Side plates fixedly connected to both sides of the sliding seat. Connecting plates are fixedly connected to both sides of the insulating plate. The connecting plates penetrate through the side plates and are slidably connected to the side plates. A connecting shaft is fixedly connected to one side of the connecting plate close to the limiting plate. The connecting shaft extends into the U-shaped groove and is slidably matched with the limiting plate.

[0018] As a further solution of the present invention: One end of each of the multiple fixing plates is fixedly connected with a collection box for collecting powder. The collection box is in contact with the filter plate, and a cover block is fixed to the outside of the filter plate by bolts. One end of the insulating plate close to the collection box is fixedly connected with a scraping plate.

[0019] As a further solution of the present invention: An opening is provided at one end of the collection box close to the insulating plate. A sealing plate for sealing the opening is slidably connected inside the collection box. A first spring is fixedly connected between the sealing plate and the collection box.

[0020] As a further solution of the present invention: Reel discs are provided on both sides of the collection box, and the two reel discs are respectively rotatably connected to both sides of the fixing plate. Traction ropes are wound and fixed on the outside of the two reel discs. The traction ropes pass through the collection box and are fixedly connected to the sealing plate. A first gear is fixedly connected to the outside of the reel disc. First racks are provided on both sides of the fixing plate, and the two first racks are both fixedly connected to the sliding seat. The two first racks are respectively meshed with the two first gears.

[0021] As a further solution of the present invention: Two through grooves are opened at the top of the insulating plate. Sliding plates are arranged inside the through grooves, and the sliding plates are slidably connected to the insulating plate. A plurality of cleaning brushes are provided on the tops of the two sliding plates. A rotating rod is fixedly connected to the bottom of each of the plurality of cleaning brushes. The rotating rod passes through the sliding plate and is slidably connected to the sliding plate. A second gear is fixedly connected to the bottom of each of the plurality of rotating rods. Second racks are fixedly connected to both sides of the insulating plate, and the second racks are meshed with the second gears.

[0022] As a further solution of the present invention: A plurality of second springs are fixedly connected between the two sliding plates and the insulating plate. An extrusion plate is fixedly connected to the top of the sliding plate.

[0023] As a further solution of the present invention: The liquid spraying pipe fitting includes a slurry spraying pipe. The slurry spraying pipe is arranged inside the rotating cylinder and is movably connected to the rotating cylinder. An electric telescopic rod is arranged on the outside of the slurry spraying pipe for pushing the slurry spraying pipe to move.

[0024] An intelligent cold pressing and drying method based on metal powder processing includes the following steps:

[0025] Step 1: Push two extrusion members into both ends of the extrusion cylinder through the telescopic ends of the two hydraulic telescopic rods, and inject the slurry with metal powder between the two filter plates through the liquid spraying pipe fitting;

[0026] Step 2: Continuously push the extrusion members through the hydraulic telescopic rods, so that the filter plates extrude the slurry, and filter the metal through the filter plates;

[0027] Step 3: During the extrusion process, drive the rotating cylinder to rotate through the driving device, so that the electromagnetic iron plates on the multiple fixing plates outside the rotating cylinder rotate. After being electrified, the electromagnetic iron plates drive the dynamic agitation of the metal powder through electromagnetic force.

[0028] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0029] 1. After being electrified, the electromagnetic iron plates drive the dynamic agitation of the metal powder through electromagnetic force. Start the rotating cylinder to rotate circumferentially at a rate of 20 - 60 rpm, driving the fixing plates and the electromagnetic iron plates to move synchronously; Apply a pulse-width modulation current to the electromagnetic iron plates to generate an alternating gradient magnetic field, driving the metal powder to form a three-dimensional turbulent flow in the extrusion cylinder. The magnetic field perturbation forms a synergistic effect. During the extrusion process, the metal powder is driven by the Lorentz force generated by the alternating magnetic field, effectively overcoming the particle bridging effect of the traditional cold pressing process.

[0030] 2. Through the insulating plate to change the insulation of the magnetic attraction of the electromagnetic iron plates, the extruded metal powder changes during the magnetic attraction rotation, driving the metal powder to move and change inside the extrusion cylinder, breaking the static accumulation state. The periodic shielding of the insulating plate causes the magnetic field strength to generate a sinusoidal fluctuation, inducing an alternating motion pattern of orientation - disorder of the powder, preventing local agglomeration.

[0031] 3. After the metal powder passes through the filter plate, it will inevitably be adsorbed on the electromagnetic iron plate and accumulate, forming a magnetic - liquid double interception layer between the filter plate and the electromagnetic iron plate. When the metal powder passes through the filter plate with the liquid, the electromagnetic iron plate is electrified to generate a directional magnetic field, adsorbing and capturing the magnetic metal powder.

[0032] 4. The metal powder is closed inside the collection frame. Later, when the extrusion is completed, the operator can discharge the metal powder inside the collection frame by removing the cover block on the filter plate, avoiding the disassembly of the filter plate. The real-time matching of the magnetic field strength and the scraping action solves the industry problems of easy blockage in static filtration and powder escape in dynamic processing. Description of the Drawings

[0033] The present invention will be further described below in conjunction with the drawings and embodiments.

[0034] Figure 1 is the overall structural schematic diagram of the present invention;

[0035] Figure 2 is the structural schematic diagram of the extrusion part of the present invention;

[0036] Figure 3 is the structural schematic diagram of the filter plate of the present invention;

[0037] Figure 4 is the structural schematic diagram of the rotating cylinder of the present invention;

[0038] Figure 5It is a schematic structural diagram of the processing frame of the present invention;

[0039] Figure 6 It is a schematic structural diagram of the fixed ring frame of the present invention;

[0040] Figure 7 It is a schematic structural diagram of the bevel gear ring of the present invention;

[0041] Figure 8 It is a schematic structural diagram of the limit plate of the present invention;

[0042] Figure 9 It is the present invention Figure 8 Schematic enlarged structural diagram of part A;

[0043] Figure 10 It is a schematic structural diagram of the transmission part of the present invention;

[0044] Figure 11 It is a schematic structural diagram of the collection box of the present invention;

[0045] Figure 12 It is a schematic structural diagram of the sealing plate of the present invention;

[0046] Figure 13 It is a schematic structural diagram of the insulating plate of the present invention.

[0047] In the figure: 1, frame; 101, guide rod; 102, extrusion cylinder; 103, hydraulic telescopic rod; 2, extrusion part; 200, processing frame; 202, filter plate; 203, cover block; 3, spraying pipe; 4, rotating cylinder; 401, fixing plate; 402, electromagnetic iron plate; 403, second rack; 5, fixed ring frame; 501, rotating ring; 502, bevel gear ring; 6, insulating plate; 601, scraping plate; 701, reciprocating lead screw; 702, bevel gear; 703, sliding seat; 704, limit plate; 705, return groove; 706, connecting plate; 707, connecting shaft; 708, side plate; 8, collection box; 801, sealing plate; 802, first spring; 803, first gear; 804, traction rope; 805, winding disc; 807, first rack; 901, sliding plate; 902, extrusion plate; 903, second spring; 904, rotating rod; 905, cleaning brush; 906, second gear. Detailed implementation manners

[0048] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0049] In the description of the present invention, it should be understood that terms such as "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery", etc. indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0050] As Figures 1 to 13 shown, an intelligent cold pressing and drying device and method based on metal powder processing and treatment include the following embodiments:

[0051] Embodiment 1: As Figures 1 to 6 shown, it includes two frames 1. A plurality of guide rods 101 are fixedly connected between the two frames 1. An extrusion cylinder 102 is fixedly connected between the plurality of guide rods 101. It further includes:

[0052] Two oppositely arranged extrusion members 2 are respectively arranged at both ends of the extrusion cylinder 102. Hydraulic telescopic rods 103 are fixedly connected inside both frames 1. The telescopic ends of the two hydraulic telescopic rods 103 are respectively fixedly connected to the two extrusion members 2. A processing frame 200 is fixedly connected to the opposite side of the two extrusion members 2. A filter plate 202 for filtering is fixedly connected to the front side of the processing frame 200. A rotating cylinder 4 is arranged inside both extrusion members 2 and is rotationally connected to the processing frame 200 and the filter plate 202. A liquid spraying pipe fitting is arranged inside one of the rotating cylinders 4. A circulation hole is arranged between the extrusion member 2 and the processing frame 200 for discharging the liquid. The position of the circulation hole is not specifically limited;

[0053] A plurality of fixing plates 401 fixedly connected to the outer side of the rotating cylinder 4, and the plurality of fixing plates 401 are arranged inside the processing frame 200. An electromagnetic iron plate 402 is fixedly connected to the side of the plurality of fixing plates 401 close to the rotating cylinder 4. After the electromagnetic iron plate 402 is energized, it magnetically adsorbs the metal powder. A driving device for driving the rotating cylinder 4 to rotate is arranged at one end of the rotating cylinder 4 away from the extrusion member 2. The driving device can be provided with a driving motor outside the extrusion member 2, and the rotating cylinder 4 is driven to rotate through the belt transmission between the output shaft of the driving motor and the belt pulley.

[0054] The liquid spraying pipe fitting includes a slurry spraying pipe 3. The slurry spraying pipe 3 is arranged inside the rotating cylinder 4 and is movably connected to the rotating cylinder 4. An electric telescopic rod is arranged outside the slurry spraying pipe 3 for pushing the slurry spraying pipe 3 to move.

[0055] An insulating plate 6 for insulating and shielding the electromagnetic iron plate 402 is arranged on one side of the plurality of fixing plates 401. A transmission member is arranged inside the processing frame 200 to drive the insulating plate 6 to reciprocate on one side of the electromagnetic iron plate 402.

[0056] In specific implementation, the telescopic ends of two hydraulic telescopic rods 103 are used to push two pressing members 2 into both ends of the extrusion cylinder 102, and a slurry with metal powder is injected between two filter plates 202 through a liquid spraying pipe fitting. The pressing members 2 are continuously pushed by the hydraulic telescopic rods 103, so that the filter plates 202 extrude the slurry, and the metal is filtered by the filter plates 202; during the extrusion process, the rotating cylinder 4 is driven to rotate by a driving device, so that the electromagnetic iron plates 402 on a plurality of fixing plates 401 on the outer side of the rotating cylinder 4 rotate. The energized electromagnetic iron plates 402 drive the dynamic agitation of the metal powder through electromagnetic force. The rotating cylinder 4 is started to rotate circumferentially at a rate of 20 - 60 rpm, driving the fixing plates 401 and the electromagnetic iron plates 402 to move synchronously; a pulse width modulation current with a PWM frequency of 1 - 5 kHz is applied to the electromagnetic iron plates 402 to generate an alternating gradient magnetic field of 0.5 - 1.2 T, driving the metal powder to form a three-dimensional turbulent flow in the extrusion cylinder 102. The magnetic field perturbation forms a synergistic effect. During the extrusion process, the metal powder is driven by the Lorentz force generated by the alternating magnetic field, effectively overcoming the particle bridging effect of the traditional cold pressing process. The particle bridging effect refers to the phenomenon that powder or granular materials form a stable arch structure due to the interaction between particles during the stacking and flowing process, resulting in the abnormal flow of the materials.

[0057] In this embodiment, as Figures 5 to 9 shown, the transmission member includes:

[0058] A fixed ring frame 5, the fixed ring frame 5 is fixedly connected to the inside of the processing frame 200, and a rotating ring 501 is rotatably connected to the inner side of the fixed ring frame 5. A bevel gear ring 502 is fixedly connected to the inside of the fixed ring frame 5;

[0059] Reciprocating lead screws 701 corresponding to the plurality of fixing plates 401 one by one. Both ends of the plurality of reciprocating lead screws 701 are rotatably connected to the rotating cylinder 4 and the rotating ring 501 respectively. One end of the reciprocating lead screw 701 extends into the fixed ring frame 5. A bevel gear 702 is fixedly connected to one end of the reciprocating lead screw 701, and the bevel gear 702 is meshed with the bevel gear ring 502;

[0060] A sliding seat 703, the sliding seat 703 is sleeved on the outer side of the reciprocating lead screw 701 and is connected to the reciprocating lead screw 701 through a ball nut. The sliding seat 703 is slidably connected to the fixing plate 401. A sliding member is arranged between the sliding seat 703 and the insulating plate 6.

[0061] During specific implementation, when the rotating cylinder 4 rotates to drive the plurality of fixedly connected annular fixing plates 401 to rotate, the reciprocating lead screw 701 is simultaneously driven to rotate. The reciprocating lead screw 701 passes through the bevel gear 702 fixedly connected to one end. The bevel gear 702 is arranged inside the fixed ring frame 5 and meshes with the bevel gear ring 502 inside the fixed ring frame 5. Thus, the reciprocating lead screw 701 is driven to rotate by the bevel gear 702. The sliding seat 703 on the outer side of the reciprocating lead screw 701 performs a reset movement on the outer side of the fixing plate 401, and drives the insulating plate 6 to perform a reset movement on the fixing plate 401 through the sliding member. The magnetic attraction of the electromagnetic iron plate 402 is insulated and changed by the insulating plate 6, so that the extruded metal powder changes during the rotation of the magnetic attraction, driving the metal powder to move and change inside the extrusion cylinder 102, breaking the static accumulation state. The periodic shielding of the insulating plate 6 causes the magnetic field strength to generate a sinusoidal fluctuation, inducing a directional-disorder alternating movement mode of the powder to prevent local agglomeration.

[0062] Embodiment 2: As Figures 8 to 10 shown, the sliding member includes:

[0063] The limiting plate 704 is fixedly connected between the rotating cylinder 4 and the rotating ring 501, and return-shaped grooves 705 are formed on both sides of the limiting plate 704;

[0064] The side plates 708 fixedly connected to both sides of the sliding seat 703. Connecting plates 706 are fixedly connected to both sides of the insulating plate 6. The connecting plates 706 penetrate through the side plates 708 and are slidably connected to the side plates 708. A connecting shaft 707 is fixedly connected to the side of the connecting plate 706 close to the limiting plate 704. The connecting shaft 707 extends into the return-shaped groove 705 and is slidably matched with the limiting plate 704.

[0065] A collection frame 8 for collecting powder is fixedly connected to one end of each of the plurality of fixing plates 401. The collection frame 8 is in contact with the filter plate 202, and a cover block 203 is fixed to the outside of the filter plate 202 by bolts. A scraping plate 601 is fixedly connected to one end of the insulating plate 6 close to the collection frame 8.

[0066] During specific implementation, during the extrusion process of the metal powder, a small amount of metal powder will inevitably pass through the filter plate 202, resulting in the loss of the metal powder. In this solution, an electromagnetic iron plate 402 is arranged on one side of the filter plate 202. When the metal powder passes through the filter plate 202, it will inevitably be adsorbed and accumulated on the electromagnetic iron plate 402, forming a magnetic-liquid double interception layer between the filter plate 202 and the electromagnetic iron plate 402. When the metal powder passes through the filter plate 202 with the liquid, the electromagnetic iron plate 402 is energized to generate a directional magnetic field, adsorbing and capturing magnetic metal powders such as iron, cobalt, and nickel-based alloys, and non-magnetic powders are retained in the pores of the filter plate 202 by the surface tension of the liquid;

[0067] And a collection box 8 is fixedly connected to the fixing plate 401. When the insulating plate 6 is attached to the electromagnetic iron plate 402, as Figure 9 shown, the scraping plate 601 fixedly connected to one end of the insulating plate 6 will push the metal powder adsorbed on the electromagnetic iron plate 402. When the powder at the front end of the scraping plate 601 is pushed into the interior of the collection box 8 for collection under the action of the sliding seat 703, the later personnel can clean it. When the insulating plate 6 moves away from the collection box 8, through the rectangular groove 705 opened on the limiting plate 704, the connecting plate 706 moves along the track of the rectangular groove 705. At this time, the scraping plate 601 is separated from the electromagnetic iron plate 402. When it moves to one end of the electromagnetic iron plate 402 away from the collection box 8, it continues to be attached to the electromagnetic iron plate 402 under the action of the rectangular groove 705, so as to collect the metal powder and avoid the situation that the metal powder behind the scraping plate 601 cannot be pushed into the collection box 8.

[0068] In this embodiment, as Figure 11 and Figure 12 shown, an opening is provided at one end of the collection box 8 close to the insulating plate 6. A sealing plate 801 for sealing the opening is slidably connected inside the collection box 8. A first spring 802 is fixedly connected between the sealing plate 801 and the collection box 8.

[0069] Reel discs 805 are provided on both sides of the collection box 8, and the two reel discs 805 are respectively rotatably connected to both sides of the fixing plate 401. Traction ropes 804 are wound and fixed on the outer sides of the two reel discs 805. The traction ropes 804 pass through the collection box 8 and are fixedly connected to the sealing plate 801. A first gear 803 is fixedly connected to the outer side of the reel disc 805. First racks 807 are provided on both sides of the fixing plate 401, and the two first racks 807 are both fixedly connected to the sliding seat 703. The two first racks 807 are respectively meshed with the two first gears 803.

[0070] During specific implementation, in order to ensure that after the metal powder is inside the collection frame 8, it will not fall out of the collection frame 8 due to the power-off of the electromagnetic iron plate 402 in the later stage. Therefore, in this solution, a sealing plate 801 is provided inside the collection frame 8. When the sliding seat 703 drives the scraper 601 close to the collection frame 8, the first rack 807 fixedly connected to the front part of the sliding seat 703 drives the first gear 803 to rotate. The rotation of the first gear 803 drives the traction rope 804 outside the winding disc 805 to wind, thereby pulling the sealing plate 801 to rise, so that the scraper 601 can push the metal powder into the collection frame 8. After the scraper 601 withdraws, the first spring 802 pushes the sealing plate 801 to descend, closing the metal powder inside the collection frame 8. In the later stage, after the extrusion is completed, the operator can discharge the metal powder inside the collection frame 8 by removing the cover block 203 on the filter plate 202, avoiding the disassembly of the filter plate 202. The real-time matching of the magnetic field strength and the scraping action solves the industry problems of easy blockage in static filtration and powder escape in dynamic processing.

[0071] It is also provided that the scraping action is automatically completed by the transmission system without stopping for manual cleaning. The collection frame 8 adopts a modular quick-release design and is fixed by bolts of the cover block 203. After reaching full load, it can be notified for replacement through an external prompt signal such as a weight sensor.

[0072] Embodiment 3: As Figure 13 shown, two through grooves are opened at the top of the insulating plate 6. Inside the through grooves, sliding plates 901 are respectively arranged, and the sliding plates 901 are slidably connected to the insulating plate 6. At the top of the two sliding plates 901, a plurality of cleaning brushes 905 are arranged. At the bottom of each of the plurality of cleaning brushes 905, a rotating rod 904 is fixedly connected. The rotating rod 904 penetrates through the sliding plate 901 and is slidably connected to the sliding plate 901. At the bottom of each of the plurality of rotating rods 904, a second gear 906 is fixedly connected. On both sides of the insulating plate 6, second racks 403 are fixedly connected, and the second racks 403 are meshed with the second gears 906.

[0073] A plurality of second springs 903 are fixedly connected between the two sliding plates 901 and the insulating plate 6. At the top of the sliding plate 901, an extrusion plate 902 is fixedly connected.

[0074] During specific implementation, when the insulating plate 6 slides on the fixed plate 401, the cleaning brush 905 on the insulating plate 6 will contact the filter plate 202. When the insulating plate 6 moves, the cleaning brush 905 cleans the filter holes on the filter plate 202. And through the meshing of the second gear 906 and the second rack 403, the second gear 906 rotates. The second gear 906 drives the fixedly connected rotating rod 904 to rotate, and then the cleaning brush 905 rotates. The cleaning brush 905 uses nylon-carbon fiber composite bristles with a diameter of 0.1 - 0.3 mm, and its rotation direction is orthogonal to the sliding direction of the insulating plate 6. For example, when the insulating plate moves to the right, the cleaning brush rotates clockwise, forming a "lateral scraping + rotational sweeping" composite cleaning action;

[0075] And when the insulating plate 6 enters the collection box 8 along with the scraper 601, the pressing plate 902 contacts the inner wall of the collection box 8, causing the pressing plate 902 to move towards the middle of the insulating plate 6. The pressing plate 902 drives the sliding plate 901 to move in the through groove, and then the cleaning brush 905 is retracted inside the insulating plate 6. When the insulating plate 6 slides out of the collection box 8, the sliding plate 901 quickly resets under the push of the second spring 903, thereby vibrating the cleaning brush 905 and shaking off the metal carried by the cleaning brush 905. When the insulating plate 6 exits the collection box 8, the second spring 903 releases the stored energy and pushes the sliding plate 901 to quickly reset with an acceleration, generating an instantaneous impact force to make the cleaning brush 905 vibrate at a high frequency and shake off the metal powder remaining in the bristle gaps, reducing the amount of residual powder adhesion;

[0076] At the same time, the cleaning brush 905 also rises with the insulating plate 6, causing the cleaning brush 905 to pass through the filter plate 202, changing the cleaning method of the cleaning brush 905. After resetting, the tips of the bristles of the cleaning brush 905 pass through the filter holes of the filter plate 202, switching to a "vertical penetration" cleaning mode to break the powder crust layer on the inner wall of the filter holes. When the second gear 906 and the second rack 403 mesh again later, through the elasticity of the second spring 903, the mechanical tolerance is automatically compensated during re-meshing, avoiding jamming or tooth surface wear.

[0077] The contraction - reset action of the cleaning brush 905 is strictly synchronized with the movement track of the insulating plate 6. Through real-time feedback from a position sensor such as a Hall element, it is ensured that the cleaning brush only penetrates the filter holes during the non - collection stage, with logical control error.

[0078] An intelligent cold pressing and drying method based on metal powder processing includes the following steps:

[0079] Step 1: The telescopic ends of two hydraulic expansion rods 103 push two pressing members 2 into both ends of the extrusion cylinder 102, and through a liquid spraying pipe fitting, a slurry with metal powder is injected between the two filter plates 202;

[0080] Step 2: Continuously push the extrusion member 2 through the hydraulic telescopic rod 103 to make the filter plate 202 extrude the slurry, and filter the metal through the filter plate 202;

[0081] Step 3: During the extrusion process, drive the rotating cylinder 4 to rotate through the driving device, so that the electromagnetic iron plates 402 on the multiple fixing plates 401 outside the rotating cylinder 4 rotate, and drive the dynamic agitation of the metal powder through the energized electromagnetic iron plates 402 by electromagnetic force.

[0082] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0083] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0084] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. The present specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. An intelligent cold pressing and drying device based on metal powder processing and treatment, comprising two frames (1), a plurality of guide rods (101) are fixedly connected between the two frames (1), and an extrusion cylinder (102) is fixedly connected between the plurality of guide rods (101), characterized in that, Further included are: Two oppositely arranged extrusion members (2), which are respectively arranged at both ends of the extrusion cylinder (102). Hydraulic telescopic rods (103) are fixedly connected inside both frames (1). The telescopic ends of the two hydraulic telescopic rods (103) are respectively fixedly connected to the two extrusion members (2). Filter frames (200) are fixedly connected to the opposite sides of the two extrusion members (2). A filter plate (202) for filtration is fixedly connected to the front side of the filter frame (200). Rotating cylinders (4) are arranged inside both extrusion members (2) and are rotationally connected to the filter frame (200) and the filter plate (202). A liquid spraying pipe fitting is arranged inside one of the rotating cylinders (4). A plurality of fixing plates (401) fixedly connected to the outer side of the rotating cylinder (4), and the plurality of fixing plates (401) are arranged inside the filter frame (200). Electromagnetic iron plates (402) are fixedly connected to the side of the plurality of fixing plates (401) close to the rotating cylinder (4). After the electromagnetic iron plates (402) are electrified, they magnetically adsorb the metal powder. A driving device for driving the rotating cylinder (4) to rotate is arranged at the end of the rotating cylinder (4) away from the extrusion member (2). Insulating plates (6) for insulating and shielding the electromagnetic iron plates (402) are arranged on one side of the plurality of fixing plates (401). A transmission member is arranged inside the filter frame (200) to drive the insulating plate (6) to reciprocate along one side parallel to the electromagnetic iron plate (402).

2. The intelligent cold pressing and drying device based on metal powder processing according to claim 1, characterized in that: The transmission member includes: A fixed ring frame (5), which is fixedly connected inside the filter frame (200). A rotating ring (501) is rotatably connected to the inner side of the fixed ring frame (5). A bevel gear ring (502) is fixedly connected inside the fixed ring frame (5). Reciprocating lead screws (701) corresponding to the plurality of fixing plates (401) one by one. The two ends of the plurality of reciprocating lead screws (701) are respectively rotationally connected to the rotating cylinder (4) and the rotating ring (501). One end of the reciprocating lead screw (701) extends into the fixed ring frame (5). A bevel gear (702) is fixedly connected to one end of the reciprocating lead screw (701). The bevel gear (702) is meshed with the bevel gear ring (502). A sliding seat (703), which is sleeved on the outer side of the reciprocating lead screw (701) and is connected to the reciprocating lead screw (701) through a ball nut. The sliding seat (703) is slidably connected to the fixing plate (401). A sliding member is arranged between the sliding seat (703) and the insulating plate (6).

3. An intelligent cold pressing and drying device based on metal powder processing according to claim 2, characterized in that: The sliding member includes: A limiting plate (704), which is fixedly connected between the rotating cylinder (4) and the rotating ring (501). Return-shaped grooves (705) are formed on both sides of the limiting plate (704). Side plates (708) fixedly connected to both sides of the sliding seat (703), connecting plates (706) are fixedly connected to both sides of the insulating plate (6), the connecting plates (706) penetrate through the side plates (708) and are slidably connected to the side plates (708), a connecting shaft (707) is fixedly connected to one side of the connecting plate (706) close to the limiting plate (704), the connecting shaft (707) extends into the inside of the loop groove (705) and is slidably matched with the limiting plate (704).

4. An intelligent cold pressing and drying device based on metal powder processing according to claim 1, characterized in that: One end of each of a plurality of fixing plates (401) is fixedly connected with a collection box (8) for collecting powder, the collection box (8) is attached to the filter plate (202), and a cover block (203) is fixed to the outside of the filter plate (202) by bolts, and a scraping plate (601) is fixedly connected to one end of the insulating plate (6) close to the collection box (8).

5. An intelligent cold pressing and drying device based on metal powder processing according to claim 4, characterized in that: An opening is provided at one end of the collection box (8) close to the insulating plate (6), a sealing plate (801) for sealing the opening is slidably connected inside the collection box (8), and a first spring (802) is fixedly connected between the sealing plate (801) and the collection box (8).

6. The intelligent cold pressing and drying device based on metal powder processing according to claim 5, wherein: Reeling discs (805) are provided on both sides of the collection box (8), and the two reeling discs (805) are respectively rotatably connected to both sides of the fixing plate (401). Traction ropes (804) are wound and fixed on the outside of the two reeling discs (805). The traction ropes (804) pass through the collection box (8) and are fixedly connected to the sealing plate (801). A first gear (803) is fixedly connected to the outside of the reeling disc (805). First racks (807) are provided on both sides of the fixing plate (401), and the two first racks (807) are both fixedly connected to the sliding seat (703). The two first racks (807) are respectively meshed with the two first gears (803).

7. An intelligent cold pressing and drying device based on metal powder processing according to claim 1, characterized in that: Two through grooves are opened at the top of the insulating plate (6), sliding plates (901) are arranged inside the through grooves, and the sliding plates (901) are slidably connected to the insulating plate (6). A plurality of cleaning brushes (905) are arranged on the tops of the two sliding plates (901). Rotating rods (904) are fixedly connected to the bottoms of the plurality of cleaning brushes (905). The rotating rods (904) penetrate through the sliding plates (901) and are slidably connected to the sliding plates (901). Second gears (906) are fixedly connected to the bottoms of the plurality of rotating rods (904). Second racks (403) are fixedly connected to both sides of the insulating plate (6), and the second racks (403) are meshed with the second gears (906).

8. An intelligent cold pressing and drying device based on metal powder processing according to claim 7, characterized in that: A plurality of second springs (903) are fixedly connected between the two sliding plates (901) and the insulating plate (6), and an extrusion plate (902) is fixedly connected to the top of the sliding plate (901).

9. An intelligent cold pressing and drying device based on metal powder processing according to claim 1, characterized in that: The liquid spraying pipe fitting includes a slurry spraying pipe (3), the slurry spraying pipe (3) is arranged inside the rotating cylinder (4) and is movably connected to the rotating cylinder (4), and an electric telescopic rod is arranged on the outside of the slurry spraying pipe (3) for pushing the slurry spraying pipe (3) to move.

10. An intelligent cold pressing and drying method based on metal powder processing and treatment, applicable to an intelligent cold pressing and drying device based on metal powder processing and treatment as described in any one of claims 1 to 9, characterized in that: Including the following steps: Step 1: Push two extrusion parts (2) into both ends of the extrusion cylinder (102) through the telescopic ends of two hydraulic telescopic rods (103), and inject the slurry with metal powder between the two filter plates (202) through the liquid spraying pipe fittings; Step 2: Continuously push the extrusion part (2) through the hydraulic telescopic rod (103) to enable the filter plate (202) to extrude the slurry and filter the metal through the filter plate (202); Step 3: During the extrusion process, drive the rotating cylinder (4) to rotate through the driving device, so that the electromagnetic iron plates (402) on the multiple fixing plates (401) outside the rotating cylinder (4) rotate, and drive the dynamic agitation of the metal powder through the energized electromagnetic iron plates (402) by electromagnetic force.

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