A small intelligent powder forming machine with anti-accumulation feature

Abstract

This invention relates to the field of powder molding, and more particularly to a small, intelligent powder molding machine with anti-accumulation feature. The technical problem is that existing devices cannot collect and reuse overflowing powder, leading to significant powder waste. Furthermore, the powder inside the mold collapses during extrusion, and a large amount of powder easily adheres to the inner wall of the mold, greatly reducing the precision of powder molding. The technical solution of this invention is: a small, intelligent powder molding machine with anti-accumulation feature, including an electrical control box and a support plate; the support plate is mounted on the electrical control box. This invention achieves the following: a lever is inserted into the extrusion assembly to rake and disperse the powder after filling, thereby preventing hollow collapse within the powder and ensuring that the powder molding meets production specifications. The needle-like design of the lever allows for better insertion into the powder while reducing contact between the lever and the powder, preventing excessive friction between the powder and the lever, and ensuring the smoothing block is held above the mold, guaranteeing normal operation of the device.

Description

Technical Field

[0001] This invention relates to the field of powder molding, and more particularly to a small, intelligent powder molding machine that prevents accumulation. Background Technology

[0002] Powder molding involves applying high pressure to powder using an extruder, causing the powder to form a block-shaped semi-finished product within a mold. Chinese patent application number CN201510201223.9 describes a rotary powder molding machine. This machine uses an upper pressure roller, which moves upwards, increasing the pressure stroke on the upper mold and extending the pressing time, thus ensuring the quality of the pressed blanks and achieving good pressing effect and high efficiency. However, during the powder extrusion process, some powder overflows, which cannot be collected and reused, resulting in significant powder waste. Furthermore, due to the fine particle size, the powder density within the mold is uneven, causing collapse during extrusion and ultimately leading to powder that does not meet production requirements.

[0003] Meanwhile, during the powder forming process, the extruder needs to be lubricated to prevent wear. However, when the powder comes into contact with the lubricating oil, it tends to clump and stick to the inner wall of the mold. Over time, a large amount of powder adheres to the inner wall of the mold, which greatly reduces the powder forming accuracy and makes it impossible to produce semi-finished products that meet the specifications. Furthermore, after adding lubricating oil for powder forming, the device cannot clean the clumped powder, resulting in poor powder forming effect of the extruder. In severe cases, it may even prevent the extruder from producing semi-finished products that meet the specifications. Summary of the Invention

[0004] To overcome the shortcomings of existing devices that cannot collect and reuse overflowing powder, resulting in serious powder waste, and that the powder inside the mold collapses during extrusion, while a large amount of powder easily adheres to the inner wall of the mold, leading to a significant reduction in powder forming accuracy, this invention provides a small intelligent powder forming machine with anti-accumulation feature.

[0005] The technical solution of this invention is: a small intelligent powder forming machine for preventing powder accumulation, comprising an electrical control box, a support plate, a support frame, a feeding hopper, and a fixing frame; the support plate is provided on the electrical control box; the support frame is provided on the upper side of the support plate; the feeding hopper for preventing powder from scattering is installed on the support plate; the fixing frame is provided on the upper side of the support plate; it also includes a smoothing block, a dust guide plate, a feeding assembly, an extrusion assembly, and a cleaning system; a smoothing block for scraping and smoothing the powder is installed on the right side of the feeding hopper; a dust guide plate for guiding the powder is provided on the left side of the smoothing block; an extrusion assembly for extruding the powder to form a shape is installed on the upper side of the support plate; a feeding assembly for conveying powder to the extrusion assembly is installed on the support frame; and a cleaning system for cleaning the extrusion assembly is provided on the extrusion assembly.

[0006] As an improvement to the above solution, the feeding assembly includes a collection box, a feeder, and a return pipe; a collection box for collecting powder is fixedly connected to the inside of the support frame; a feeder that moves back and forth to transport powder into the extrusion assembly is movably connected to the upper side of the support frame; a return pipe that guides the powder conveying direction is fixedly connected to the extrusion assembly, and the return pipe is made of a soft material.

[0007] As an improvement to the above solution, the extrusion assembly includes an extrusion block, a top block, a mold, and a connecting plate; the extrusion block for extruding powder is connected to the lower side of the fixed frame; the top block is connected to the support plate; the mold for holding powder is connected to the support plate; the connecting plate is connected to the lower side of the extrusion block, and the extrusion block and the connecting plate are movably connected by the same set of connecting rods; the connecting plate is fixedly connected to the lower side of the feed hopper; a return chamber for collecting excess powder is opened in the middle of the connecting plate, and the return chamber is connected to the return pipe.

[0008] As an improvement to the above solution, it also includes levers; several levers are connected to the lower side of the smoothing block to prevent powder from collapsing; the levers are arranged at equal intervals from right to left, based on a top-down view.

[0009] As an improvement to the above solution, the left side of the lever is designed to be needle-shaped.

[0010] As an improvement to the above solution, a pneumatic assembly is also included; the pneumatic assembly includes a force-bearing block, a first elastic element, a second elastic element, a rigid airbag, a conduit, a pressure chamber, a push rod, and a first connecting block; the first elastic element is fixedly connected to the inside of the right side of the feed hopper; the end of the first elastic element away from the upper side of the feed hopper is fixedly connected to the force-bearing block; two symmetrical annular grooves are opened on the right side of the feed hopper, and the force-bearing block slides in the annular grooves; several second elastic elements are fixedly connected to the right side of the force-bearing block; a first connecting block is fixedly connected to the end of each second elastic element away from the force-bearing block; a rigid airbag for conveying airflow is fixedly connected to the lower side of each first connecting block; a pressure chamber is fixedly connected to the lower side of each rigid airbag, and the pressure chamber is fixedly connected to the feed hopper; a conduit is fixedly connected to the upper side of the pressure chamber to guide the air pressure generated by the rigid airbag to the inside of the pressure chamber; one end of the conduit is connected to the lower side of the two rigid airbags, and the other end is connected to the pressure chamber; a push rod is slidably connected to the inside of the pressure chamber, and the left side of the push rod is fixedly connected to the right side of the smoothing block.

[0011] As an improvement to the above solution, the cleaning system includes a solenoid valve, a wedge block, a first sleeve, a squeezing rod, a second sleeve, a second connecting block, and a third elastic element; a solenoid valve is fixedly connected to the right side of the pressure chamber; a wedge block is fixedly connected to the right side of the top block; a first sleeve is fixedly connected to the right side of the connecting plate; a squeezing rod for extracting and conveying air is slidably connected to the inside of the first sleeve; a second sleeve is fixedly connected to the left side of the squeezing rod, and the second sleeve is movably connected to the first sleeve; an air hole for cleaning agglomerated powder is opened at the rear of the lower side of the smoothing block, the air hole is connected to the second sleeve, and the left side of the second sleeve is fixedly connected to the smoothing block; a first discharge port for discharging agglomerated powder is opened on the first sleeve; a second discharge port is opened on the second sleeve; two symmetrical second connecting blocks are fixedly connected to the right side of the connecting plate; a third elastic element is fixedly connected to each of the two second connecting blocks; the ends of the two third elastic elements away from the second connecting blocks are fixedly connected to the rear side of the squeezing rod.

[0012] As an improvement to the above solution, an air intake system is also included, which includes a blower pipe, a one-way membrane, and an exhaust connector. Several blower pipes are fixedly connected to the inside of the feed hopper to prevent the powder from contacting the oily gas. Several one-way membranes are fixedly connected to the left side of the feed hopper, and each one-way membrane is configured to open only to the right side of the feed hopper. Several through holes are opened on the left side of the feed hopper. Each through hole is connected to the adjacent one-way membrane. Each through hole is connected to the left side of the adjacent exhaust connector. An exhaust connector for extracting oily gas is fixedly connected to the end of each blower pipe near the mold, and the exhaust port of each exhaust connector faces the upper surface of the mold.

[0013] As an improvement to the above solution, it also includes cleaning blocks and cleaning plates; a cleaning block for cleaning powder from the mold surface is fixed to each air outlet, and the lower side of the cleaning block contacts the upper surface of the mold; several cleaning plates to prevent blockage of the return chamber are fixed to the right side of each cleaning block.

[0014] As an improvement to the above scheme, the cleaning blocks are set up with a gradual tilt from left to right, based on a top-down view.

[0015] The present invention has the following advantages: The present invention enables the powder to be raked and dispersed after filling by dropping the lever into the extrusion assembly, thereby preventing the phenomenon of hollow collapse inside the powder and ensuring that the powder forming meets the production specifications.

[0016] The needle-like design of the lever allows it to be better inserted into the powder, while reducing the contact between the lever and the powder, preventing excessive friction between the powder and the lever, and ensuring that the smoothing block is stuck above the mold, thus ensuring the normal operation of the device.

[0017] The cleaning block scrapes away the powder on the mold surface, improving the powder cleaning effect. At the same time, the cleaning plate rakes and disperses the powder accumulated in the return chamber, preventing excessive powder accumulation in the return chamber and causing blockage, thus ensuring normal powder recovery.

[0018] The agglomerated powder scraped from inside the mold is extracted through the air vents. The powder, which is mixed with lubricating oil, is then discharged through the first and second rows of waste ports, thereby cleaning the mold and preventing the agglomerated powder from sticking to the inner wall of the mold, ensuring the normal production of powder molding by the device.

[0019] The powder is guided into the mold by the inclined cleaning block, thus filling the mold and preventing insufficient powder in the mold, which would result in the powder not meeting the production requirements after molding, and ensuring the normal production of powder molding. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the first three-dimensional structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the first partial three-dimensional structure of the present invention;

[0023] Figure 4 This is a three-dimensional structural diagram of the feeding assembly of the present invention;

[0024] Figure 5 This is a schematic diagram of the second partial three-dimensional structure of the present invention;

[0025] Figure 6 For the present invention Figure 5 Enlarged view of area A in the middle;

[0026] Figure 7 This is a cross-sectional view of the feed hopper of the present invention;

[0027] Figure 8 This is a three-dimensional structural diagram of the first part of the cleaning system of the present invention;

[0028] Figure 9 This is a three-dimensional structural diagram of the second part of the cleaning system of the present invention;

[0029] Figure 10 For the present invention Figure 9 Enlarged view of area B in the middle;

[0030] Figure 11 This is a cross-sectional view of the combination of the smoothing block, the first sleeve, and the second sleeve of the present invention;

[0031] Figure 12 This is a three-dimensional structural diagram of the intake system of the present invention;

[0032] Figure 13 This is a three-dimensional structural diagram of the first part of the intake system of the present invention;

[0033] Figure 14 This is a three-dimensional structural diagram of the second part of the air intake system of the present invention.

[0034] Labels in the diagram: 1-Electrical control box, 2-Support plate, 3-Support frame, 4-Feed hopper, 4002-Annular groove, 5-Fixing frame, 6-Smoothing block, 6001-Air hole, 7-Dust guide plate, 8-Toggle lever, 101-First driving component, 102-Extrusion block, 103-Second driving component, 104-Top block, 105-Electric slider, 106-Mold, 107-Connecting plate, 10701-Return chamber, 108-Force-bearing block, 109-First elastic component, 110-Second elastic component, 111-Rigid airbag, 112-Conduit, 1 13-Pressure chamber, 114-Top rod, 115-Solenoid valve, 116-First connecting block, 201-Third driving component, 202-Collection box, 203-Conveyor, 204-Return pipe, 301-Wedge block, 302-First sleeve, 30201-First waste discharge port, 303-Extrusion rod, 304-Second sleeve, 305-Second connecting block, 306-Third elastic component, 30401-Second waste discharge port, 401-Blower pipe, 402-One-way membrane, 403-Air outlet connector, 404-Cleaning block, 405-Cleaning plate. Detailed Implementation

[0035] The above-described solution will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of this application. The implementation conditions used in the embodiments may be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not specified are generally those in routine experiments.

[0036] Example 1

[0037] like Figures 3-7 As shown, a small intelligent powder forming machine for preventing accumulation includes an electrical control box 1, a support plate 2, a support frame 3, a feed hopper 4, and a fixing frame 5; the support plate 2 is provided on the electrical control box 1; the support frame 3 is provided on the upper rear part of the support plate 2; the feed hopper 4 is installed on the support plate 2; and the fixing frame 5 is provided on the upper front part of the support plate 2.

[0038] It also includes a smoothing block 6, a dust guide plate 7, a feeding assembly, an extrusion assembly, and a cleaning system; the smoothing block 6 is installed inside the right side of the feed hopper 4; the dust guide plate 7 is set on the left side of the smoothing block 6; the extrusion assembly is installed on the upper side of the support plate 2; the feeding assembly is installed on the support frame 3; the cleaning system is set on the extrusion assembly; during the process of the feeding assembly conveying powder to the extrusion assembly, the powder is collected centrally through the feed hopper 4 to prevent the powder from scattering during the conveying process, ensuring the utilization rate of the powder. At the same time, due to insufficient powder feeding, the powder overflows onto the surface of the extrusion assembly, resulting in the powder after molding being... To prevent this phenomenon, after the powder is fed, the pressing process of the extrusion component pushes the smoothing block 6 to the left, thereby scraping off the excess powder on the surface of the extrusion component. The feeding component collects and utilizes the scraped powder, improving the powder recycling rate and preventing excess powder from being squeezed and stuck to the surface of the device by the extrusion component. At the same time, during the movement of the smoothing block 6, the dust guide plate 7 guides the powder pushed by the left side of the smoothing block 6 back into the extrusion component, so that the powder is more fully filled into the extrusion component, thereby ensuring that the specifications of the formed powder meet the requirements.

[0039] The feeding assembly includes a collection box 202, a feeder 203, and a return pipe 204; such as Figure 2 As shown, a material collection box 202 is fixedly connected to the upper inner side of the support frame 3; a feeder 203 is movably connected to the upper side of the support frame 3; as shown... Figure 6 As shown, a return pipe 204 is fixed to the extrusion assembly, and the return pipe 204 is made of a soft material. The feeder 203 moves forward and is positioned directly above the feed hopper 4. The feeder 203 conveys the powder into the feed hopper 4. After the smoothing block 6 scrapes off the excess powder, the return pipe 204 guides the scraped powder back into the collection box 202, which facilitates the secondary use of the powder, improves the powder utilization rate, and reduces the waste of production raw materials.

[0040] The extrusion assembly includes an extrusion block 102, a top block 104, a die 106, and a connecting plate 107; the extrusion block 102 is connected to the lower side of the fixed frame 5; the top block 104 is connected to the upper side of the support plate 2; the die 106 is connected to the upper side of the support plate 2; the connecting plate 107 is connected to the lower side of the extrusion block 102, and the extrusion block 102 and the connecting plate 107 are movably connected by the same set of connecting rods; the connecting plate 107 is fixedly connected to the lower side of the feed hopper 4; a return chamber 10701 is opened in the middle of the connecting plate 107, and the return chamber 10701 is connected to the return pipe 204. When the feeder 203 delivers powder into the mold 106, the top block 104 is inside the mold 106, making the lower side of the mold 106 closed. At this time, the extrusion block 102 moves downward, and the downward pressure of the extrusion block 102 is used to extrude the powder in the mold 106 into shape. The excess powder outside the mold 106 is collected back into the collection box 202 through the return chamber 10701 and the return pipe 204. At this time, the mold 106 moves downward, and the top block 104 pushes out the shaped powder, which is convenient for the powder to be shaped again.

[0041] It also includes a drive assembly, which includes a first drive member 101, a second drive member 103, an electric slider 105, and a third drive member 201; the first drive member 101, which is an electric push rod, is fixedly connected to the upper center of the fixed frame 5; the output end of the first drive member 101 is fixedly connected to the extrusion block 102; the extrusion block 102 extrudes the powder by extending and retracting the first drive member 101; the second drive member 103, which is an electric push rod, is fixedly connected inside the control box 1; the output end of the second drive member 103 is fixedly connected to the top block 104. The second driving component 103 extends and retracts to raise and lower the top block 104; an electric slider 105 is slidably connected to the top block 104, and the top block 104 and the electric slider 105 are connected by the same set of connecting rods; the electric slider 105 moves downward to push the top block 104 upward to eject the formed powder; a third driving component 201 is fixedly connected to the middle of the upper side of the support frame 3. The third driving component 201 is an electric push rod, and the output end of the third driving component 201 is fixedly connected to the feeder 203; the third driving component 201 realizes the function of the feeder 203 to transport powder.

[0042] It also includes levers 8; several levers 8 are connected inside the lower side of the smoothing block 6; based on the top-down view, the levers 8 are arranged at equal intervals from right to left; since the powder particles are relatively fine after filling, they are prone to collapse during the stamping process, resulting in the formed powder not conforming to the size. In order to prevent the powder from collapsing, as the smoothing block 6 moves to the left, the levers 8 fall into the extrusion assembly, and the levers 8 rak and disperse the powder after filling, so that the powder is more evenly distributed in the mold 106, thereby preventing the phenomenon of hollow collapse inside the powder and ensuring that the powder forming meets the production specifications.

[0043] The left side of the lever 8 is designed as a needle. When the lever 8 is rotated counterclockwise with the front-to-back view as the reference, since the end of the lever 8 contacts the powder first, in order to prevent the lever 8 from getting stuck in the powder, the needle structure reduces the contact area between the lever 8 and the powder, so that the lever 8 can be better inserted into the powder. This prevents the friction between the powder and the lever 8 from being too great, which would cause the smoothing block 6 to get stuck above the mold 106, thus ensuring the normal operation of the device.

[0044] It also includes a pneumatic assembly; the pneumatic assembly includes a force-bearing block 108, a first elastic element 109, a second elastic element 110, a rigid airbag 111, a conduit 112, a pressure chamber 113, a push rod 114, and a first connecting block 116; the first elastic element 109, which is a spring, is fixedly connected to the inside of the right side of the feed hopper 4; the force-bearing block 108 is fixedly connected to the end of the first elastic element 109 away from the upper side of the feed hopper 4; such as Figure 6 As shown, two symmetrical annular grooves 4002 are provided on the right side of the feed hopper 4, and the force-bearing block 108 slides within the annular grooves 4002; at least two second elastic elements 110, which are springs, are fixedly connected to the right side of the force-bearing block 108; a first connecting block 116 is fixedly connected to the end of each second elastic element 110 away from the force-bearing block 108; a rigid airbag 111 is fixedly connected to the lower side of each first connecting block 116; and a pressure chamber is fixedly connected to the lower side of each rigid airbag 111. 113, and the pressure chamber 113 is fixedly connected to the feed hopper 4; a guide tube 112 is fixedly connected to the upper right side of the pressure chamber 113; one end of the guide tube 112 is connected to the lower side of the two rigid airbags 111, and the other end is connected to the pressure chamber 113; a push rod 114 is slidably connected to the inside of the pressure chamber 113, and the left side of the push rod 114 is fixedly connected to the right side of the smoothing block 6; when the extrusion block 102 moves downward, the extrusion block 102 pushes the force-bearing block 108 to move downward, thereby squeezing the rigid airbags 111 to contract downward, utilizing the rigidity The airbag 111 compresses to generate gas, which is then guided into the pressure chamber 113 through the conduit 112. At this time, the push rod 114 moves to the left under the gas pressure, thereby causing the smoothing block 6 to move horizontally to the left. Simultaneously, the force-bearing block 108 slides downward within the annular groove 4002. When the force-bearing block 108 slides to the bottom of the annular groove 4002, the compression block 102 continues to push the force-bearing block 108 downward, causing the force-bearing block 108 to compress the second elastic element 110, allowing the force-bearing block 108 to slide through the arc-shaped structure on the lower side of the annular groove 4002. The force-bearing block 108 is separated from the extrusion block 102 by moving to the right side of the annular groove 4002. At this time, the force-bearing block 108 loses the downward pressure of the extrusion block 102, and the first elastic element 109 loses the downward pressure of the force-bearing block 108. The first elastic element 109 drives the force-bearing block 108 to slide back to the initial position through the right side of the annular groove 4002, thereby driving the rigid airbag 111 and the smoothing block 6 back to the initial position, preventing the smoothing block 6 from affecting the extrusion block 102's extrusion of subsequent powders and ensuring the normal operation of the device.

[0045] Example 2

[0046] Based on Example 1, such as Figures 8-11As shown, the cleaning system includes a solenoid valve 115, a wedge block 301, a first sleeve 302, a pressing rod 303, a second sleeve 304, a second connecting block 305, and a third elastic element 306; the solenoid valve 115 is fixedly connected to the rear right side of the pressure chamber 113; the wedge block 301 is fixedly connected to the middle right side of the top block 104; the first sleeve 302 is fixedly connected to the upper right side of the connecting plate 107; the pressing rod 303 is slidably connected to the inner side of the first sleeve 302; the second sleeve 304 is fixedly connected to the left side of the pressing rod 303, and the second sleeve 304 is movably connected to the first sleeve 302; the smoothing block 6 is below... A vent 6001 is provided on the side rear, which communicates with the second sleeve 304, and the left side of the second sleeve 304 is fixedly connected to the smoothing block 6; a first row of miscellaneous openings 30201 is provided on the first sleeve 302; a second row of miscellaneous openings 30401 is provided on the second sleeve 304; two symmetrical second connecting blocks 305 are fixedly connected to the right side of the connecting plate 107; a third elastic element 306, which is a spring, is fixedly connected to each of the two second connecting blocks 305; the ends of the two third elastic elements 306 away from the second connecting blocks 305 are fixedly connected to the rear side of the extrusion rod 303;Because the extrusion block 102 extrudes powder for a long time, the wear between the extrusion block 102 and the mold 106 is severe. Mechanical lubricating oil needs to be added to reduce friction between the extrusion block 102 and the mold 106. However, when lubricating oil is added, the powder easily adheres to the inner wall of the mold 106 during the extrusion process, resulting in the appearance and dimensions of the formed powder not meeting production requirements. Furthermore, the long-term adhesion of agglomerated powder to the inner wall of the mold 106 prevents the device from producing qualified powder. To prevent this, when the electric slider 105 moves downwards, after the top block 104 ejects the formed powder, the electric slider 105 returns to its initial position. At this time, the drive... The second driving component 103 is activated, causing the top block 104 to move upward. The top block 104 is positioned to fit against the inner wall of the mold 106, scraping the inner wall of the mold 106 as it rises. Simultaneously, it drives the wedge block 301 upward. When the wedge block 301 contacts the right side of the extrusion rod 303, it pushes the extrusion rod 303 to the left, thereby causing the second sleeve 304 to slide to the left within the first sleeve 302. This pushes the smoothing block 6 to move to the left, using the smoothing block 6 to move the rigid airbag 111 and the top rod 114. As the top rod 114 moves to the left, the rigid airbag 111 is compressed downward, and the smoothing block 6 is simultaneously compressed by the rigid airbag 111. The downward compression resistance hinders the movement of the smoothing block 6. To prevent this, the solenoid valve 115 is opened to connect the pressure chamber 113 to the outside. After the ejector rod 114 moves to the left, outside air enters the pressure chamber 113, thus preventing the ejector rod 114 from drawing air from the rigid air bladder 111. This prevents the rigid air bladder 111 from obstructing the movement of the smoothing block 6. When the smoothing block 6 moves to the leftmost side of the mold 106, the ejector block 104 pushes the scraped powder directly below the smoothing block 6. At this time, the second drive member 103 drives the ejector block 104 back to its initial position, causing the wedge block 301 to separate from the extrusion rod 303. At this time, the third elastic member 306 loses the leftward movement of the extrusion rod 303. The tension causes the extrusion rod 303 to spring back, bringing the smoothing block 6, rigid airbag 111, and push rod 114 back to their initial positions. The smoothing block 6 then pushes the extrusion rod 303 and the second sleeve 304 to the right. During this movement, the extrusion rod 303 extracts the agglomerated powder scraped from the mold 106 through the air hole 6001. The second sleeve 304 separates the agglomerated powder from the mold 106. When the second sleeve 304 returns to its initial position, the airflow to the right discharges the agglomerated powder through the first impurity outlet 30201 and the second impurity outlet 30401, thus cleaning the mold 106 and ensuring normal powder molding production.

[0047] Example 3

[0048] Based on Examples 1 and 2, such as Figure 1 , Figure 2and Figures 12-14 As shown, it also includes an air intake system, which includes a blower pipe 401, a one-way membrane 402, and an air outlet connector 403; at least two blower pipes 401 are fixedly connected to the lower inner side of the feed hopper 4; at least two one-way membranes 402 are fixedly connected to the lower left side of the feed hopper 4, and each one-way membrane 402 is configured to open only to the right side of the feed hopper 4; at least two through holes are provided on the lower left side of the feed hopper 4; each through hole communicates with the adjacent one-way membrane 402; each through hole communicates with the left side of the adjacent air outlet connector 403; the through holes allow each one-way membrane 402 to... It is connected to the adjacent blower pipe 401; each blower pipe 401 has an exhaust connector 403 fixedly connected to one end near the mold 106, and the exhaust port of each exhaust connector 403 faces the upper surface of the mold 106; during the extrusion process after adding lubricating oil to the extrusion block 102, the heat generated by the extrusion causes the lubricating oil to evaporate, causing the gaseous lubricating oil to drift out through the gap between the extrusion block 102 and the mold 106, and then come into contact with the powder on the surface of the mold 106, thereby contaminating the powder on the surface of the mold 106 and preventing the powder from being able to... To reduce the recycling rate of powder, and to prevent gaseous lubricating oil from contaminating the powder, as the extrusion block 102 moves downward, the smoothing block 6 pushes the air outlet 403 to the left. The air outlet 403 compresses the blower pipe 401, causing the gas inside the blower pipe 401 to be ejected through the air outlet 403. This blows away the powder from the surface of the mold 106 through the air outlet of the air outlet 403, preventing powder residue from remaining on the surface of the mold 106 during the extrusion process. After the extrusion block 102 has shaped the powder, the smoothing block 6 returns to its original position. Upon reaching the initial position, air is transported back to the blower pipe 401 through the air outlet connector 403, causing the blower pipe 401 to gradually return to its initial state. This allows the air outlet connector 403 to draw out the gaseous lubricating oil that has dispersed from the mold 106. At this time, since the blower pipe 401 is in a suction state during its return to the initial state, the one-way membrane 402 opens to the right side of the feed hopper 4. The gaseous lubricating oil drawn in by the blower pipe 401 is discharged through the opening of the one-way membrane 402, thereby preventing the powder from being contaminated and ensuring the normal recovery and use of the powder.

[0049] It also includes a cleaning block 404 and a cleaning plate 405; a cleaning block 404 is fixedly attached to each air outlet 403, and the lower side of the cleaning block 404 contacts the upper surface of the mold 106; at least two cleaning plates 405 are fixedly attached to the lower right side of each cleaning block 404; during the process of the smoothing block 6 scraping the powder off the surface of the mold 106, in order to further improve the powder cleaning effect on the surface of the mold 106, the cleaning block 404 is moved to the left by the air outlet 403, so that the cleaning block 404 scrapes the powder off the surface of the mold 106. At the same time, during the process of the cleaning plate 405 moving to the left, the powder accumulated in the return chamber 10701 is raken and dispersed to prevent the powder from accumulating too much in the return chamber 10701 and causing the return chamber 10701 to be blocked, thus ensuring the normal recovery of powder.

[0050] With a top-down view as a reference, the cleaning block 404 is gradually tilted from left to right. During the process of scraping away powder, the tilted cleaning block 404 guides the powder into the mold 106, further filling the mold 106 and preventing insufficient powder in the mold 106, which would cause the powder after molding to not meet the production requirements, thus ensuring the normal production of powder molding.

[0051] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of the present application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present application. Therefore, the content of this specification should not be construed as a limitation of the present application.

Claims

1. A small intelligent powder forming machine that prevents accumulation, comprising an electric control box (1), a support plate (2), a support frame (3), a feeding hopper (4) and a fixing frame (5); the electric control box (1) is provided with the support plate (2); the upper side of the support plate (2) is provided with the support frame (3); the support plate (2) is installed with the feeding hopper (4) that prevents powder from scattering; the upper side of the support plate (2) is provided with the fixing frame (5); characterized in that: It also includes the smoothing block (6), dust guide plate (7), feeding assembly, extrusion assembly and cleaning system; the feeding hopper (4) is provided with the smoothing block (6) for scraping and smoothing the powder on the right side; the dust guide plate (7) for guiding the powder is arranged on the left side of the smoothing block (6); the extrusion assembly for extruding the powder to make it into a shape is installed on the upper side of the support plate (2); the feeding assembly for feeding the powder to the extrusion assembly is installed on the support frame (3); the cleaning system for cleaning the extrusion assembly is arranged on the extrusion assembly. It also includes the air pressure assembly; the air pressure assembly includes the force block (108), the first elastic member (109), the second elastic member (110), the steel air bag (111), the conduit (112), the pressure bin (113), the top rod (114) and the first connecting block (116); the first elastic member (109) is fixedly connected inside the feeding hopper (4) on the right side; the force block (108) is fixedly connected to the end of the first elastic member (109) away from the upper side of the feeding hopper (4); two front and rear symmetrical annular grooves (4002) are formed in the right side of the feeding hopper (4), and the force block (108) slides in the annular groove (4002); a plurality of second elastic members (110) are fixedly connected to the right side of the force block (108); one first connecting block (116) is fixedly connected to the end of each second elastic member (110) away from the force block (108); one steel air bag (111) for conveying airflow is fixedly connected to the lower side of each first connecting block (116); one pressure bin (113) for conveying airflow is fixedly connected to the lower side of each steel air bag (111), and the pressure bin (113) is fixedly connected to the feeding hopper (4); the conduit (112) for guiding the air pressure generated by the steel air bag (111) to the inside of the pressure bin (113) is fixedly connected to the upper side of the pressure bin (113); one end of the conduit (112) is in communication with the lower sides of the two steel air bags (111), and the other end is in communication with the pressure bin (113); the top rod (114) is slidably connected to the inside of the pressure bin (113), and the left side of the top rod (114) is fixedly connected to the right side of the smoothing block (6).

2. A compact intelligent powder molding machine preventing accumulation according to claim 1, characterized in that: The feeding assembly includes the material collecting box (202), the material feeder (203) and the material return pipe (204); the material collecting box (202) for collecting the powder is fixedly connected to the inside of the support frame (3); the material feeder (203) for moving forward and backward to feed the powder into the extrusion assembly is movably connected to the upper side of the support frame (3); the material return pipe (204) for guiding the feeding direction of the powder is fixedly connected to the extrusion assembly, and the material return pipe (204) is made of soft material.

3. A compact intelligent powder molding machine preventing accumulation according to claim 2, characterized in that: The extrusion assembly comprises an extrusion block (102), a top block (104), a mold (106) and a connecting plate (107); the lower side of a fixing frame (5) is connected with the extrusion block (102) for extruding powder; the top block (104) is connected on the supporting plate (2); the mold (106) for containing powder is connected on the supporting plate (2); the lower side of the extrusion block (102) is connected with the connecting plate (107), and the extrusion block (102) and the connecting plate (107) are movably connected through the same set of connecting rods; the connecting plate (107) is fixedly connected with the lower side of the feeding hopper (4); the middle part of the connecting plate (107) is provided with a return cavity (10701) for collecting excess powder, and the return cavity (10701) is communicated with the return pipe (204).

4. A compact intelligent powder molding machine preventing accumulation according to claim 1, characterized in that: The cleaning system comprises an electromagnetic valve (115), a wedge block (301), a first sleeve (302), an extrusion rod (303), a second sleeve (304), a second connecting block (305) and a third elastic member (306); the right side of the pressure chamber (113) is fixedly connected with the electromagnetic valve (115); the right side of the top block (104) is fixedly connected with the wedge block (301); the right side of the connecting plate (107) is fixedly connected with the first sleeve (302); the inside of the first sleeve (302) is slidably connected with the extrusion rod (303) for extracting and conveying air; the left side of the extrusion rod (303) is fixedly connected with the second sleeve (304), and the second sleeve (304) is movably connected with the first sleeve (302); the lower side of the smoothing block (6) is provided with a gas hole (6001) for cleaning the caked powder, the gas hole (6001) is communicated with the second sleeve (304), and the left side of the second sleeve (304) is fixedly connected with the smoothing block (6); the first sleeve (302) is provided with a first impurity discharge hole (30201) for discharging the caked powder; the second sleeve (304) is provided with a second impurity discharge hole (30401); the right side of the connecting plate (107) is fixedly connected with two front and back symmetrical second connecting blocks (305); one third elastic member (306) is fixedly connected on each of the two second connecting blocks (305); the rear side of the extrusion rod (303) is fixedly connected with the ends of the two third elastic members (306) away from the second connecting blocks (305).

5. A compact intelligent powder molding machine preventing accumulation according to claim 4, characterized in that: ​ 6. A compact intelligent powder molding machine preventing accumulation according to claim 3, characterized in that: ​

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