Stamping equipment for powder metallurgy

Abstract

The invention discloses stamping equipment for powder metallurgy, and belongs to the field of powder metallurgy, the stamping equipment for powder metallurgy comprises a stamping machine body, the upper side of a horizontal part of the stamping machine body and the lower side of a hydraulic seat are jointly provided with a cleaning component, and the cleaning component comprises moving columns fixedly connected to the lower sides of the left and right parts of the hydraulic seat; the upper portions of the left side and the right side of the horizontal part of the punching machine body are rotationally connected with rotating cylinders correspondingly. Powder materials attached to the wide opening of the female die due to static electricity are swept through the arranged rotatable cleaning brush, and due to the fact that a gear drives the cleaning brush to rotate above the female die in the downward moving process of the hydraulic base, the cleaning brush is driven by the gear to rotate above the female die; the cleaning brush can remove residual powder materials at the wide opening of the female die, and the situation that part of powder raw materials are attached to the inlet due to static electricity is avoided, so that the situation that the powder raw materials cannot completely enter the female die in the stamping process, and the stamping quality of powder is affected is prevented.

Description

Technical Field

[0001] The invention relates to the field of powder metallurgy, and more particularly to a stamping device for powder metallurgy. Background Art

[0002] Stamping is a forming method that uses a press and a die to apply external force to plates, strips, tubes and profiles to cause plastic deformation or separation, thereby obtaining stamping parts of the desired shape and size. In short, powder stamping is a stamping part produced using powder metallurgy technology. It first uses metal powder through pressing, sintering and other processes to make products of the desired shape and performance, and then uses stamping dies to further process these products to obtain the final product.

[0003] According to the material and performance requirements of the required product, appropriate metal powder is selected for preparation. These powders may be composed of a single metal element or a mixture of multiple metal elements to achieve specific strength, hardness, corrosion resistance or magnetic properties. The metal powder is placed in a mold and pressure is applied to the powder through a pressing device to form a "green billet" of the required shape. During the pressing process, close contact and local plastic deformation will occur between the powder particles, thus forming a preliminary product with a certain strength and shape stability; In the prior art, in order to improve the conveying efficiency of powder raw materials with poor fluidity, the mother mold is usually set to a wide mouth. At the same time, the wide-mouth mold is more conducive to uniform filling of the powder. However, the entrance of the wide-mouth mold often causes part of the powder raw materials to adhere to the entrance due to static electricity, making it impossible for the powder raw materials to fully enter the interior of the mother mold during the stamping process, thereby affecting the stamping quality. Summary of the invention

[0004] In view of the problems existing in the prior art, the object of the present invention is to provide a stamping equipment for powder metallurgy.

[0005] To solve the above problems, the present invention adopts the following technical solution, which can realize the removal of powder material remaining at the wide mouth of the mother mold by a cleaning brush to prevent the powder raw material from failing to fully enter the interior of the mother mold during the stamping process and affecting the stamping quality of the powder.

[0006] A stamping equipment for powder metallurgy, comprising a stamping machine body and a hydraulic cylinder fixedly mounted on the upper end of the inside of the stamping machine body, a hydraulic seat fixedly mounted on the telescopic end of the hydraulic cylinder, a movable groove is provided on the upper side of the horizontal part of the stamping machine body, a mother mold is slidably connected inside the movable groove, a control panel is fixedly mounted on the front side of the horizontal part of the stamping machine body, and a cleaning component is provided on the upper side of the horizontal part of the stamping machine body and the lower side of the hydraulic seat; The cleaning component includes a movable column fixedly connected to the lower sides of the left and right parts of the hydraulic seat, a fixed column is fixedly connected to the outer side of the movable column, and the upper parts of the left and right sides of the horizontal part of the punching machine body are rotatably connected with rotating cylinders, and the two rotating cylinders are respectively sleeved on the outer sides of the two movable columns, and the interior of the rotating cylinder is provided with a guide groove, and the fixed column is slidably connected in the guide groove, and the outer side of the rotating cylinder is fixedly connected with a gear ring, and the upper side of the horizontal part of the punching machine body is rotatably connected with a gear, and the gear ring is meshed with the left and right sides of the gear, and a funnel groove is fixedly penetrated in the middle of the gear, and a cleaning brush is provided on the inner side of the funnel groove, and the cleaning brush is rotatably overlapped on the upper side of the mother mold.

[0007] Furthermore, there are two fixed columns outside the movable column, the two guide grooves are in the shape of mutually staggered spirals, the number of the cleaning brushes is multiple, and a stretching component is provided on the upper side of the gear and the inner side of the funnel groove, and the stretching component includes a slide groove in a ring array opened inside the funnel groove.

[0008] Furthermore, multiple cleaning brushes are slidably connected in multiple slide grooves respectively, and a pull rope is fixedly connected to the side of the cleaning brush away from the mother mold. The upper side of the gear is fixedly connected to a fixed seat in a ring array, and the pull rope passes through the fixed seat and extends to the upper side of the fixed seat. The other end of the pull rope is fixedly connected to a connecting block, and the connecting block is made of magnetic metal. The front and rear sides of the lower end of the connecting block are fixedly connected to guide rods, and the corresponding two guide rods pass through the same fixed seat. The left and right ends of the hydraulic seat are slidably penetrated by the first limit rod, and the bottom ends of the two first limit rods are commonly fixedly connected to a magnet ring, and the magnet ring is magnetically adsorbed with multiple connecting blocks after moving downward. After the magnet ring adsorbs the connecting block, the cleaning brush can be pulled upward by the pull rope, and the interior of the multiple fixed seats is provided with a movable groove inclined from bottom to top, and a card block is slidably connected in the movable groove, and the card block is made of magnetic metal. After the magnet ring moves downward, it is magnetically adsorbed with the card block, and the card block locks the pull rope after moving upward.

[0009] Furthermore, a cleaning assembly is provided inside the gear, and the cleaning assembly includes cleaning bars inserted into a plurality of slide grooves and arranged in a longitudinal array, and the plurality of cleaning bars are in sliding contact with a plurality of cleaning brushes respectively.

[0010] Furthermore, a cleaning assembly is provided inside the funnel groove, and the cleaning assembly includes cleaning bars inserted into a plurality of slide grooves and arranged in a longitudinal array, and the cleaning bars are in sliding contact with a cleaning brush.

[0011] Furthermore, through grooves are provided on both sides of the left and right sides of the movable groove, and there are multiple through grooves on one side, and the multiple through grooves are connected to the same movable groove. A fixed block is fixedly connected to the inside of the through groove, and the fixed block is fixedly connected to the first pressure spring on the side close to the mother mold, and the other end of the first pressure spring is fixedly connected to a collision block, and the collision block is slidably connected in the through groove, and the collision block is fixedly connected to a magnetic column on the side close to the first pressure spring, and the magnetic block is magnetically adsorbed by the magnetic column after moving downward, and the collision block is in extrusion contact with the mother mold on the side close to the mother mold.

[0012] Furthermore, a material stripping assembly is provided inside the horizontal portion of the punch body and inside and on the lower side of the hydraulic seat. The material stripping assembly includes a second pressure spring fixedly connected to the lower side of the movable groove.

[0013] Furthermore, one end of the second pressure spring is fixedly connected to the lower side of the mother mold, the inner lower side of the movable groove is fixedly connected to the support column, the mother mold is sleeved on the outer side of the support column, a limiting groove is provided on the lower side of the hydraulic seat, and the number of limiting grooves is two, a second limiting rod is slidably connected to the inner side of the limiting groove, and the bottom ends of the two second limiting rods are commonly fixedly connected to a stamping block, and the stamping block is pressed and contacted with the upper side of the support column after the stamping block moves downward, a pressure sensor is fixedly installed inside the hydraulic seat, and the lower side of the stamping block is pressed and contacted with the support column after the lower side of the stamping block is in contact with the stamping block and the pressure sensor, the lower sides of the left and right ends of the hydraulic seat are fixedly connected to the first electric push rod, the bottom end of the first electric push rod is fixedly connected to the extrusion plate, and the extrusion plate is pressed and contacted with the upper side of the mother mold after moving downward, and the second electric push rod is fixedly installed inside the horizontal part of the stamping machine body, and one end of the front side of the second electric push rod is fixedly connected to a push plate, and the push plate enters the movable groove after being pushed by the second electric push rod.

[0014] Furthermore, a collecting assembly is provided inside and on the upper side of the horizontal portion of the punch body. The collecting assembly includes a collecting cavity opened on the upper side of the horizontal portion of the punch body.

[0015] Furthermore, a rectangular array of through holes is provided on the lower inner side of the collecting chamber, and the lower inner side of the collecting chamber is inclined from back to front.

[0016] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention uses a rotatable cleaning brush to clean the powder material attached to the wide mouth of the mother mold due to static electricity. As the hydraulic seat moves downward, the gear drives the cleaning brush to rotate above the mother mold, so that the cleaning brush can remove the powder material remaining at the wide mouth of the mother mold, thereby avoiding the adhesion of part of the powder raw material to the entrance due to static electricity, so as to prevent the powder raw material from being unable to completely enter the interior of the mother mold during the stamping process and affecting the stamping quality of the powder.

[0017] (2) The cleaning brush provided in the present invention is pulled out from the wide mouth of the mother mold after the hydraulic seat moves downward. Since the hydraulic seat will pull out the cleaning brush from the wide mouth of the mother mold before entering the mother mold, the hydraulic seat cannot squeeze the cleaning brush during the process of stamping the material. Not only can the residual material be sent into the interior of the mother mold before stamping the powder material, but also the cleaning brush can be prevented from affecting the stamping efficiency of the hydraulic seat on the powder material.

[0018] (3) The cleaning brush of the present invention is cleaned by the cleaning strip during the process of being pulled out of the mother mold. Since the powder material attached to the surface of the bristles of the cleaning brush will be removed by the cleaning strip during the process of being pulled up, on the one hand, it is prevented from bringing the powder material into the chute and causing the cleaning brush to be worn by the powder material during the up and down movement. On the other hand, it also avoids the waste of powder material, which affects the stamping efficiency due to insufficient powder material during the stamping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a cross-sectional structural schematic diagram of the present invention; Figure 3 For the present invention Figure 2 A magnified schematic diagram of point A; Figure 4 It is a schematic cross-sectional structural diagram of the movable groove of the present invention; Figure 5 It is a schematic cross-sectional structural diagram of the gear of the present invention; Figure 6 It is a cross-sectional structural schematic diagram of the hydraulic seat of the present invention; Figure 7 It is a schematic cross-sectional structural diagram of the mother mold of the present invention; Figure 8 It is a schematic cross-sectional view of the sleeve of the present invention.

[0020] Description of the numbers in the figure: 1. Punch machine body; 11. Hydraulic seat; 12. Moving groove; 13. Mother mold; 14. Control panel; 2. Cleaning parts; 21. Moving column; 22. Fixed column; 23. Rotating drum; 24. Guide groove; 25. Gear ring; 26. Gear; 261. Funnel groove; 27. Cleaning brush; 28. Stretching assembly; 281. Slide; 282. Pull rope; 283. Fixed seat; 284. Connecting block; 285. Guide rod; 286. First limit rod; 287. Magnet ring; 288. Movable groove; 289. Block; 29. ​​Cleaning assembly; 2 91. Cleaning strip; 3. Impact component; 31. Magnetic block; 32. Through slot; 33. Fixed block; 34. First pressure spring; 35. Magnetic column; 36. Impact block; 37. Material return assembly; 371. Second pressure spring; 372. Support column; 373. Limiting slot; 374. Second limiting rod; 375. Stamping block; 376. Pressure sensor; 377. First electric push rod; 378. Extrusion plate; 379. Second electric push rod; 3791. Push plate; 38. Collecting assembly; 381. Collecting chamber; 382. Through hole; 4. Hydraulic cylinder. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0022] See also Figures 1 to 8 A stamping equipment for powder metallurgy, comprising a stamping machine body 1 and a hydraulic cylinder 4 fixedly mounted on the upper end of the inside of the stamping machine body 1, a hydraulic seat 11 fixedly mounted on the telescopic end of the hydraulic cylinder 4, a moving groove 12 is opened on the upper side of the horizontal part of the stamping machine body 1, a mother mold 13 is slidably connected inside the moving groove 12, a control panel 14 is fixedly mounted on the front of the horizontal part of the stamping machine body 1, and a cleaning component 2 is provided on the upper side of the horizontal part of the stamping machine body 1 and the lower side of the hydraulic seat 11; The cleaning component 2 includes a movable column 21 fixedly connected to the lower sides of the left and right parts of the hydraulic seat 11, and a fixed column 22 is fixedly connected to the outer side of the movable column 21. The upper parts of the left and right sides of the horizontal part of the punching machine body 1 are rotatably connected with a rotating cylinder 23. The two rotating cylinders 23 are respectively sleeved on the outer sides of the two movable columns 21. The interior of the rotating cylinder 23 is provided with a guide groove 24. The fixed column 22 is slidably connected in the guide groove 24. The outer side of the rotating cylinder 23 is fixedly connected with a gear ring 25. The upper side of the horizontal part of the punching machine body 1 is rotatably connected with a gear 26. The gear ring 25 meshes with the left and right sides of the gear 26. A funnel groove 261 is fixedly penetrated in the middle of the gear 26, and a cleaning brush 27 is provided on the inner side of the funnel groove 261. The cleaning brush 27 is rotatably overlapped on the upper side of the mother mold 13.

[0023] By adopting the above technical solution, after the powder material is first poured into the inside of the mother mold 13, the hydraulic cylinder 4 is started to make the hydraulic seat 11 drive the two moving columns 21 to move downward. During this process, the two fixed columns 22 outside the two moving columns 21 will enter the guide groove 24 inside the rotating drum 23. As the fixed columns 22 enter the inside of the guide groove 24, because the rotating drum 23 is restricted on both sides of the punching machine body 1 and can rotate freely, the fixed columns 22 inside the spiral guide groove 24 will cause the rotating drum 23 and the toothed ring 25 outside thereof to rotate. After the fixed columns 22 come out from the other end of the guide groove 24, the rotating drum 23 and the toothed ring 25 stop rotating. During the rotation of the toothed ring 25 , the gear 26 meshing with the gear ring 25 will rotate on the upper side of the horizontal part of the punch body 1, and at the same time, the cleaning brush 27 inside the gear 26 will also rotate with the gear 26, and clean the powder material remaining at the wide mouth of the mother mold 13, so that it can enter the inside of the mother mold 13. As the hydraulic seat 11 moves downward, the gear 26 will drive the cleaning brush 27 to rotate above the mother mold 13, so that the cleaning brush 27 can clean the powder material remaining at the wide mouth of the mother mold 13, avoiding part of the powder raw material adhering to the entrance due to static electricity, so as to prevent the powder raw material from being unable to completely enter the inside of the mother mold 13 during the stamping process and affecting the stamping quality of the powder.

[0024] like Figure 1 As shown, there are two fixed columns 22 outside the movable column 21, the two guide grooves 24 are both in the shape of mutually staggered spirals, the number of cleaning brushes 27 is multiple, and a stretching component 28 is provided on the upper side of the gear 26 and the inner side of the funnel groove 261. The stretching component 28 includes a slide groove 281 that is opened in the funnel groove 261 in a ring array.

[0025] A plurality of cleaning brushes 27 are slidably connected in a plurality of slide grooves 281, respectively. A pull rope 282 is fixedly connected to a side of the cleaning brush 27 away from the mother mold 13. A fixed seat 283 is fixedly connected to the upper side of the gear 26 in a ring array. The pull rope 282 passes through the fixed seat 283 and extends to the upper side of the fixed seat 283. The other end of the pull rope 282 is fixedly connected to a connecting block 284, which is made of magnetic metal. The front and rear sides of the lower end of the connecting block 284 are fixedly connected to guide rods 285. The corresponding two guide rods 285 pass through the same fixed seat 283. The left and right ends of the interior of the hydraulic seat 11 are slidably passed through There is a first limit rod 286, and the bottom ends of the two first limit rods 286 are fixedly connected with a magnet ring 287. After the magnet ring 287 moves downward, it is magnetically adsorbed with multiple connecting blocks 284. After the magnet ring 287 adsorbs the connecting blocks 284, the cleaning brush 27 can be pulled up by the pull rope 282. The interiors of the multiple fixed seats 283 are all provided with movable grooves 288 inclined from bottom to top. A card block 289 is slidably connected in the movable groove 288. The card block 289 is made of magnetic metal. After the magnet ring 287 moves downward, it is magnetically adsorbed with the card block 289. After the card block 289 moves upward, it locks the pull rope 282.

[0026] By adopting the above technical solution, first, during the downward movement of the hydraulic seat 11, the magnet ring 287 fixed by the first limiting rod 286 will move downward with the hydraulic seat 11. Because the magnet ring 287 is below the hydraulic seat 11, as the hydraulic seat 11 continues to move downward, after the magnet ring 287 approaches the multiple connecting blocks 284, the magnet ring 287 will simultaneously adsorb the multiple connecting blocks 284, so that the connecting blocks 284 pull the pull rope 282. At the same time, the pull rope 282 will pull the cleaning brush 27, so that the cleaning brush 27 is pulled into the slide groove 281. At this time, the cleaning brush 27 is separated from the wide mouth of the mother mold 13. At this time, the magnet ring 287 continues to move downward and is located in the fixed seat 283. The block 289 in the movable groove 288 will also be attracted and moved toward the pull rope 282 inside the fixed seat 283, and squeeze the pull rope 282, so that the cleaning brush 27 cannot slide obliquely downward in the slide groove 281 by its own weight. Finally, the hydraulic seat 11 enters the mother mold 13 to punch the powder material. Because the hydraulic seat 11 will pull the cleaning brush 27 out of the wide mouth of the mother mold 13 before entering the mother mold 13, the hydraulic seat 11 cannot squeeze the cleaning brush 27 during the process of punching the material. Not only can the residual material be sent into the mother mold 13 before punching the powder material, but the cleaning brush 27 can also be prevented from affecting the punching efficiency of the hydraulic seat 11 on the powder material.

[0027] like Figure 1 As shown, a cleaning assembly 29 is disposed inside the funnel groove 261 . The cleaning assembly 29 includes cleaning bars 291 inserted into a plurality of slide grooves 281 and arranged in a longitudinal array. The cleaning bars 291 are in sliding contact with the cleaning brush 27 .

[0028] By adopting the above technical scheme, first, in the process of pulling the cleaning brush 27 by the pull rope 282, the cleaning strips 291 arranged in a longitudinal array inside the slide groove 281 are interspersed in the bristles of the cleaning brush 27, and the skeleton of the cleaning brush 27 is placed above the cleaning brush 27. As the cleaning brush 27 is pulled, the bristles of the cleaning brush 27 will rub against the surface of the cleaning strips 291, and the cleaning strips 291 will smooth the bristles of the cleaning brush 27 and remove the powder material attached to the surface of the bristles of the cleaning brush 27. Since the powder material attached to the surface of the bristles of the cleaning brush 27 will be removed by the cleaning strips 291 during the process of the cleaning brush 27 being pulled up, on the one hand, it prevents the cleaning brush 27 from bringing the powder material into the slide groove 281 and causing the cleaning brush 27 to be worn by the powder material during the up and down movement. On the other hand, it also avoids the waste of powder material, which affects the stamping efficiency due to insufficient quantity of powder material during the stamping process.

[0029] like Figure 1 As shown, a material striking component 3 is provided inside and on both left and right sides of the punching machine body 1. The material striking component 3 includes a magnetic block 31 fixedly connected to opposite surfaces of two moving seats.

[0030] Through grooves 32 are provided on both the left and right sides of the movable groove 12, and there are multiple single-sided through grooves 32, and multiple through grooves 32 are connected to the same movable groove 12. A fixed block 33 is fixedly connected to the inside of the through groove 32, and the side of the fixed block 33 close to the mother mold 13 is fixedly connected to the first pressure spring 34, and the other end of the first pressure spring 34 is fixedly connected to a collision block 36, which is slidably connected in the through groove 32, and the side of the collision block 36 close to the first pressure spring 34 is fixedly connected to a magnetic column 35, and the magnetic block 31 moves downward and is magnetically adsorbed by the magnetic column 35, and the side of the collision block 36 close to the mother mold 13 is squeezed and contacted with the mother mold 13.

[0031] By adopting the above technical solution, first, when the two moving columns 21 drive the magnetic block 31 to move downward, as the position of the magnetic block 31 and the through slot 32 are level, the magnetic block 31 will adsorb the magnetic column 35 inside the through slot 32, and the collision block 36 will be pulled during the adsorption of the magnetic column 35. When the moving column 21 drives the magnetic block 31 away from the first through slot 32, the magnetic column 35 loses the adsorption from the magnetic block 31, and the first pressure spring 34 on the side of the fixed block 33 will push the collision block 36, so that the collision block 36 hits the mother mold 13. After the mother mold 13 is hit, the powder materials inside it will collide and Extrusion causes the gaps between the particles to be compressed, the volume of the powder to decrease, and the density to increase. After the magnetic block 31 moves downward, it will correspond to the next through slot 32, and the above-mentioned effect will be achieved again. Since the moving column 21 drives the magnetic block 31 to move downward, it will drive the magnetic column 35 to pull the impact block 36, and the first pressure spring 34 pushes the impact block 36 to impact the mother mold 13. After the mother mold 13 is impacted, the powder material stored inside it will be compacted, and the compacted powder material can form a more uniform particle distribution during the pressing process when being stamped, so as to reduce surface defects and thereby ensure the stamping quality of the powder material.

[0032] like Figure 1 As shown, a material stripping assembly 37 is provided inside the horizontal portion of the punch body 1 and inside and on the lower side of the hydraulic seat 11 . The material stripping assembly 37 includes a second pressure spring 371 fixedly connected to the lower side of the movable groove 12 .

[0033] One end of the second pressure spring 371 is fixedly connected to the lower side of the mother mold 13, and the inner lower side of the movable groove 12 is fixedly connected with a support column 372. The mother mold 13 is sleeved on the outer side of the support column 372. A limiting groove 373 is provided on the lower side of the hydraulic seat 11, and the number of the limiting grooves 373 is two. The inner side of the limiting groove 373 is slidably connected with a second limiting rod 374. The bottom ends of the two second limiting rods 374 are fixedly connected with a stamping block 375. After the stamping block 375 moves downward, it is pressed and contacted with the upper side of the support column 372. A pressure sensor 376 is fixedly installed inside the hydraulic seat 11. After the lower side of the punching block 375 contacts the support column 372, it is squeezed into contact with the punching block 375 and the pressure sensor 376. The lower sides of the left and right ends of the hydraulic seat 11 are fixedly connected with the first electric push rod 377. The bottom end of the first electric push rod 377 is fixedly connected with an extrusion plate 378. After the extrusion plate 378 moves downward, it is squeezed into contact with the upper side of the mother mold 13. A second electric push rod 379 is fixedly installed inside the horizontal part of the punching machine body 1. One end of the front side of the second electric push rod 379 is fixedly connected with a push plate 3791. After being pushed by the second electric push rod 379, the push plate 3791 enters the movable groove 12.

[0034] By adopting the above technical solution, the hydraulic seat 11 first drives the punching block 375 to enter the interior of the mother mold 13 and contact the powder material above the support column 372. At this time, the powder material is wrapped by the mother mold 13, causing the second limit rod 374 above the punching block 375 to retract into the limit groove 373 below the hydraulic seat 11. When the punching block 375 contacts the hydraulic seat 11, it also contacts the pressure sensor 376 inside the punching rod. The pressure sensor 376 processes the information and transmits it to the control panel 14, and then controls the first electric push rod 377 to push the extrusion plate 378 downward, so that the powder material is punched by the hydraulic seat 11. While the pressing block 375 is stamping, the mother mold 13 will also be pushed upward by the extrusion plate 378. When the stamping of the powder material is completed, the mother mold 13 pushed downward will make the stamped material above the support column 372 and completely exposed in the movable groove 12. At the same time, the second electric push rod 379 will drive the push plate to push in the direction of the material, so that the material is pushed out of the movable groove 12. Since the mother mold 13 will also be squeezed while the powder material is stamped, the stamped material is withdrawn relative to the mother mold 13, so as to facilitate the subsequent withdrawal of the material, thereby effectively improving the stamping efficiency of the subsequent powder material.

[0035] like Figure 1 As shown, a collecting assembly 38 is provided inside and on the upper side of the horizontal portion of the punch body 1 . The collecting assembly 38 includes a collecting chamber 381 opened on the upper side of the horizontal portion of the punch body 1 .

[0036] The lower inner side of the collecting chamber 381 is provided with through holes 382 in a rectangular array, and the lower inner side of the collecting chamber 381 is inclined from the back to the front.

[0037] By adopting the above technical solution, first, after the material is pushed out of the movable groove 12 by the second electric push rod 379, the material will slide into the collecting chamber 381 and slide toward the control panel 14 along the slope of the collecting chamber 381. During the sliding process of the material, the powder material remaining on the surface of the material will be discharged through the through hole 382. Since the residual powder material will be discharged through the through hole 382 during the sliding process of the material inside the collecting chamber 381, it is avoided that the residual powder material accumulates inside the collecting chamber 381 and causes wear to the material during the sliding process, so as to ensure the cleanliness of the material surface.

[0038] Working principle: first, after pouring the powder material into the mother mold 13, start the punching machine body 1 to drive the hydraulic seat 11 to drive the two moving columns 21 to move downward, and as the fixed column 22 enters the spiral guide groove 24 inside the rotating drum 23, the rotating drum 23 and the toothed ring 25 on its outer side begin to rotate, and after the fixed column 22 comes out from the other end of the guide groove 24, the rotating drum 23 and the toothed ring 25 stop rotating. During the rotation of the toothed ring 25, the gear 26 meshing with the toothed ring 25 will rotate on the upper side of the horizontal part of the punching machine body 1, and drive the cleaning brush 27 inside the gear 26 to clean the powder material remaining at the wide mouth of the mother mold 13, so that it enters the mother mold 13. At the same time, the magnet ring 287 fixed by the first limit rod 286 will move downward with the hydraulic seat 11. Because the magnet ring 287 is below the hydraulic seat 11, after the magnet ring 287 approaches the multiple connecting blocks 284 , the magnet ring 287 will absorb multiple connecting blocks 284 at the same time, so that the connecting blocks 284 pull up the pull rope 282 and the cleaning brush 27. At this time, the cleaning brush 27 will be pulled into the chute 281. Because the cleaning strips 291 arranged in a longitudinal array inside the chute 281 are inserted into the bristles of the cleaning brush 27, and the skeleton of the cleaning brush 27 is placed above the cleaning brush 27, the bristles of the cleaning brush 27 will rub against the surface of the cleaning strips 291, and the cleaning strips 291 will straighten the bristles of the cleaning brush 27 and remove the powder material attached to the bristle surface of the cleaning brush 27. Then the magnet ring 287 continues to move downward, and the block 289 in the movable groove 288 inside the fixed seat 283 will also be attracted and moved toward the pull rope 282 inside the fixed seat 283, and squeeze the pull rope 282, so that the cleaning brush 27 cannot slide obliquely downward in the chute 281 by its own weight; When the two moving columns 21 drive the magnetic block 31 to move downward until the position of the through slot 32 is level, the magnetic block 31 will absorb the magnetic column 35 inside the through slot 32, and will pull the collision block 36 during the absorption of the magnetic column 35. When the moving column 21 drives the magnetic block 31 away from the first through slot 32, the magnetic column 35 loses the absorption from the magnetic block 31, and the first pressure spring 34 on the side of the fixed block 33 will push the collision block 36, so that the collision block 36 hits the mother mold 13. After the mother mold 13 is hit, the powder materials inside it will collide and squeeze with each other, resulting in the gaps between the particles being compressed, the volume of the powder is reduced, and the density is increased. After the magnetic block 31 moves downward, it will correspond to the next through slot 32, and the above effect is achieved again. After the hydraulic seat 11 drives the stamping block 375 to enter the interior of the mother mold 13 and contact the powder materials above the support column 372, the powder materials are wrapped by the mother mold 13 at this time, resulting in the second limit above the stamping block 375. The rod 374 will retract into the limit groove 373 under the hydraulic seat 11. When the punching block 375 contacts the hydraulic seat 11, it will also contact the pressure sensor 376 inside the punching rod. The pressure sensor 376 will process the information and transmit it to the control panel 14, and then control the first electric push rod 377 to push the extrusion plate 378 downward, so that the powder material is punched by the hydraulic seat 11 in cooperation with the punching block 375, and the mother mold 13 will also be pushed upward by the extrusion plate 378. When the powder material is punched, the mother mold 13 pushed downward will make the punched material above the support column 372 and completely exposed in the moving groove 12. At the same time, the second electric push rod 379 will drive the push plate to push in the direction of the material, so that the material is pushed out of the moving groove 12. Finally, the material will slide into the collecting chamber 381 and slide toward the direction of the control panel 14 along the slope of the collecting chamber 381. During the sliding process of the material, the powder material remaining on the surface of the material will be discharged through the through hole 382.

[0039] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stamping device for powder metallurgy, comprising a stamping machine body (1) and a hydraulic cylinder (4) fixedly mounted on the upper end of the stamping machine body (1), a hydraulic seat (11) fixedly mounted on the telescopic end of the hydraulic cylinder (4), a movable groove (12) being provided on the upper side of the horizontal portion of the stamping machine body (1), a mother mold (13) being slidably connected inside the movable groove (12), a control panel (14) being fixedly mounted on the front side of the horizontal portion of the stamping machine body (1), characterized in that: A cleaning component (2) is provided on the upper side of the horizontal portion of the punching machine body (1) and the lower side of the hydraulic seat (11); The cleaning component (2) comprises a movable column (21) fixedly connected to the lower sides of the left and right parts of the hydraulic seat (11), the outer side of the movable column (21) is fixedly connected to a fixed column (22), the upper parts of the left and right sides of the horizontal part of the punching machine body (1) are rotatably connected to rotating cylinders (23), the two rotating cylinders (23) are respectively sleeved on the outer sides of the two movable columns (21), the interior of the rotating cylinder (23) is provided with a guide groove (24), the fixed column (22) is slidably connected in the guide groove (24), the outer side of the rotating cylinder (23) is fixedly connected to a gear ring (25), the upper side of the horizontal part of the punching machine body (1) is rotatably connected to a gear (26), the gear ring (25) is meshed with the left and right sides of the gear (26), the middle part of the gear (26) is fixedly penetrated with a funnel groove (261), and the inner side of the funnel groove (261) is provided with a cleaning brush (27), and the cleaning brush (27) is rotatably overlapped on the upper side of the mother mold (13).

2. A powder metallurgy stamping equipment according to claim 1, characterized in that: The number of fixed columns (22) outside the movable column (21) is two, the two guide grooves (24) are both in the shape of mutually staggered spirals, the number of cleaning brushes (27) is multiple, and a stretching component (28) is provided on the upper side of the gear (26) and the inner side of the funnel groove (261), and the stretching component (28) includes a slide groove (281) arranged in a ring array inside the funnel groove (261).

3. A powder metallurgy stamping equipment according to claim 2, characterized in that: The plurality of cleaning brushes (27) are slidably connected in the plurality of slide grooves (281), and a pull rope (282) is fixedly connected to the side of the cleaning brush (27) away from the mother mold (13). The upper side of the gear (26) is fixedly connected to a fixed seat (283) in a ring array, and the pull rope (282) passes through the fixed seat (283) and extends to the upper side of the fixed seat (283). The other end of the pull rope (282) is fixedly connected to a connecting block (284), and the connecting block (284) is made of magnetic metal. The front and rear sides of the lower end of the connecting block (284) are fixedly connected to guide rods (285), and the corresponding two guide rods (285) pass through the same fixed seat (283). The left and right ends of the interior of the hydraulic seat (11) are slidably passed through A first limiting rod (286) is provided, and the bottom ends of the two first limiting rods (286) are fixedly connected to a magnet ring (287). After the magnet ring (287) moves downward, it is magnetically adsorbed to a plurality of connection blocks (284). After the magnet ring (287) adsorbs the connection blocks (284), the cleaning brush (27) can be pulled upward by a pull rope (282). A movable groove (288) inclined from bottom to top is provided inside the plurality of fixed seats (283). A clamping block (289) is slidably connected inside the movable groove (288). The clamping block (289) is made of magnetic metal. After the magnet ring (287) moves downward, it is magnetically adsorbed to the clamping block (289). After the clamping block (289) moves upward, it locks the pull rope (282).

4. The powder metallurgy stamping equipment according to claim 3, characterized in that: A cleaning assembly (29) is provided inside the funnel groove (261), and the cleaning assembly (29) comprises cleaning bars (291) inserted into a plurality of slide grooves (281) and arranged in a longitudinal array, and the cleaning bars (291) are in sliding contact with a cleaning brush (27).

5. The powder metallurgy stamping equipment according to claim 1, characterized in that: A material impact component (3) is provided inside and on both left and right sides of the punching machine body (1). The material impact component (3) comprises a magnetic block (31) fixedly connected to opposite surfaces of two movable seats.

6. The powder metallurgy stamping equipment according to claim 5, characterized in that: The movable groove (12) is provided with through grooves (32) on both left and right sides. The through grooves (32) on one side are multiple in number. The multiple through grooves (32) are connected to the same movable groove (12). A fixed block (33) is fixedly connected to the inside of the through groove (32). The fixed block (33) is fixedly connected to a first pressure spring (34) on one side close to the mother mold (13). The other end of the first pressure spring (34) is fixedly connected to a collision block (36). The collision block (36) is slidably connected in the through groove (32). The collision block (36) is fixedly connected to a magnetic column (35) on one side close to the first pressure spring (34). After the magnetic block (31) moves downward, it is magnetically adsorbed to the magnetic column (35). The collision block (36) is in extrusion contact with the mother mold (13) on one side close to the mother mold (13).

7. The powder metallurgy stamping equipment according to claim 1, characterized in that: A material stripping assembly (37) is provided inside the horizontal portion of the punching machine body (1) and inside and below the hydraulic seat (11). The material stripping assembly (37) comprises a second pressure spring (371) fixedly connected to the lower side of the inside of the moving groove (12).

8. The powder metallurgy stamping equipment according to claim 7, characterized in that: One end of the second pressure spring (371) is fixedly connected to the lower side of the mother mold (13); the inner lower side of the movable groove (12) is fixedly connected to a support column (372); the mother mold (13) is sleeved on the outer side of the support column (372); a limit groove (373) is provided on the lower side of the hydraulic seat (11); and the number of limit grooves (373) is two; a second limit rod (374) is slidably connected inside the limit groove (373); the bottom ends of the two second limit rods (374) are fixedly connected to a punching block (375); the punching block (375) moves downward to be in compression contact with the upper side of the support column (372); and a pressure sensor (376) is fixedly installed inside the hydraulic seat (11). The lower side of the punching block (375) contacts the support column (372) and then squeezes and contacts the punching block (375) and the pressure sensor (376). The lower sides of the left and right ends of the hydraulic seat (11) are fixedly connected with first electric push rods (377). The bottom end of the first electric push rod (377) is fixedly connected with an extrusion plate (378). After the extrusion plate (378) moves downward, it squeezes and contacts with the upper side of the mother mold (13). A second electric push rod (379) is fixedly installed inside the horizontal part of the punching machine body (1). One end of the front side of the second electric push rod (379) is fixedly connected with a push plate (3791). After the push plate (3791) is pushed by the second electric push rod (379), it enters the movable groove (12).

9. The powder metallurgy stamping equipment according to claim 1, characterized in that: A collecting assembly (38) is provided inside and on the upper side of the horizontal portion of the punching machine body (1). The collecting assembly (38) comprises a collecting chamber (381) opened on the upper side of the horizontal portion of the punching machine body (1).

10. The powder metallurgy stamping equipment according to claim 9, characterized in that: The lower inner side of the collecting chamber (381) is provided with through holes (382) in a rectangular array, and the lower inner side of the collecting chamber (381) is opened obliquely from the back to the front.

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