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CN-121972661-A - Antiseized powder metallurgy die

CN121972661ACN 121972661 ACN121972661 ACN 121972661ACN-121972661-A

Abstract

The invention relates to the technical field of powder metallurgy and discloses an anti-sticking powder metallurgy die which comprises a frame, a stamping mechanism, a stamping platform, a cleaning mechanism and a die, wherein the stamping mechanism and the stamping platform are correspondingly arranged on the frame, the cleaning mechanism is arranged in the frame and corresponds to one side of the stamping mechanism and one side of the stamping platform, the cleaning mechanism is used for cleaning powder sputtered outwards in the stamping process, the die is arranged on the stamping platform, and the stamping mechanism, the stamping platform and the die are mutually matched to press and shape powder raw materials. According to the invention, the cleaning mechanism is arranged on one side of the stamping mechanism, the scraping plate in the cleaning mechanism reciprocates on the stamping platform to clean powder falling on the platform, the cleaning action of the cleaning mechanism is synchronous with the action of the stamping mechanism separating from the die, and the cleaning mechanism starts to clean the powder when the stamping mechanism is separated from the die, so that the stamping mechanism does not need to wait for complete separation, the powder cleaning automation degree is high, the consumed time is short, and the production efficiency is improved.

Inventors

  • ZHANG HAOZE
  • XU BING
  • JIANG YONG

Assignees

  • 南通金源智能技术有限公司

Dates

Publication Date
20260505
Application Date
20260210

Claims (10)

  1. 1. An anti-sticking powder metallurgy die, which is characterized by comprising A frame (100), wherein the frame (100) is used for mounting all parts required by stamping; The stamping mechanism (200) and the stamping platform (400) are correspondingly arranged on the frame (100); the cleaning mechanism (300) is arranged at one side, corresponding to the stamping mechanism (200) and the stamping platform (400), of the inside of the frame (100), the cleaning mechanism (300) is kept in linkage with the stamping mechanism (200), the cleaning mechanism (300) is kept motionless when the stamping mechanism (200) stamps downwards, and the cleaning mechanism (300) reciprocates on the stamping platform (400) when the stamping mechanism (200) resets upwards and cleans powder sputtered outwards in the stamping process; The die (500), the die (500) is installed on the punching platform (400), the punching mechanism (200), the punching platform (400) and the die (500) are mutually matched to press and shape the powder raw material.
  2. 2. The anti-sticking powder metallurgy die according to claim 1, characterized in that the punching mechanism (200) comprises a hydraulic cylinder (210), a punching rod (220) and a punching head (230), the hydraulic cylinder (210) is mounted at the top end of the frame (100), one end of the punching rod (220) is connected with the output end of the hydraulic cylinder (210), and the other end of the punching rod (220) is fixed with the punching head (230).
  3. 3. The anti-sticking powder metallurgy die according to claim 2, wherein the cleaning mechanism (300) comprises a scraping plate (310), a sliding frame (320), a support (330), a mounting frame (340), a transmission shaft (350) and a rack (360), the rack (360) is fixed on one side of the stamping rod (220), one end of the mounting frame (340) is fixed on the frame (100), one side of the inside of the mounting frame (340) is rotationally connected with a first rotating shaft (380), the middle part of the first rotating shaft (380) is rotationally sleeved with a hollow gear (370), the hollow gear (370) is in meshed connection with one side of the rack (360), a second rotating shaft (390) is rotationally connected above the first rotating shaft (380) in the inside of the mounting frame (340), two ends of the first rotating shaft (380) are sleeved with first gears 381, two ends of the second rotating shaft (390) are fixedly sleeved with second gears (391), and the two second gears (391) are respectively in meshed connection with the first gears (391) on the corresponding sides.
  4. 4. The anti-sticking powder metallurgy die according to claim 3, wherein a worm wheel (392) is fixedly sleeved at the middle part of the second rotating shaft (390), a worm (393) is rotatably connected to the inside of the mounting frame (340) corresponding to the upper part of one side of the worm wheel (392), the worm (393) is in meshed connection with one side of the worm wheel (392), a second bevel gear (394) is fixedly arranged at one end of the worm (393) away from the worm wheel (392), the transmission shaft (350) is rotatably connected to the frame (100) through the support (330), a first bevel gear (352) is fixedly arranged at one end of the transmission shaft (350), and the first bevel gear (352) is in meshed connection with one side of the second bevel gear (394).
  5. 5. The anti-sticking powder metallurgy die according to claim 4, wherein the sliding frame (320) and the scraping plate (310) are both slidably connected to the stamping platform (400), the scraping plate (310) is fixed to the front end of the sliding frame (320), the sliding frame (320) is in a U-shaped frame structure, teeth (321) are respectively arranged on two sides of the inner portion of the sliding frame, a sector gear (351) is fixed to one end, away from the first bevel gear (352), of the transmission shaft (350), the sector gear (351) is arranged in the sliding frame (320), and the sector gear (351) is respectively in meshed connection with the teeth (321) on two sides of the inner portion of the sliding frame (320).
  6. 6. The anti-sticking powder metallurgy die according to claim 5, wherein a cavity is formed in the hollow gear (370), a transmission piece (371) is arranged in the cavity, the transmission piece (371) is sleeved and fixed on the first rotating shaft (380), the upper end and the lower end of the two sides of the transmission piece (371) respectively extend outwards and form a first abutting portion (372) and a second abutting portion (373), a gap is reserved between the first abutting portion (372) and the second abutting portion (373), a pawl (374) is arranged at the gap, one end of the pawl (374) is rotatably connected to the transmission piece (371), a spring piece (375) is arranged at the middle position of the transmission piece (371) corresponding to the pawl (374) and the first abutting portion (372), one end of the spring piece (375) is fixed on the first abutting portion (372), inclined ratchets (376) are uniformly arranged on the inner side of the hollow gear (370) in a surrounding mode, and the ratchets (376) are matched with the pawl (374) to be used.
  7. 7. The anti-sticking powder metallurgy die according to claim 1, wherein the die (500) comprises a base (510), an embedded die core (520) and a quick locking mechanism (530), a positioning groove (511) is formed in the base (510), the embedded die core (520) is matched with the positioning groove (511), and the embedded die core (520) is inserted into the positioning groove (511) and locked and fixed through the quick locking mechanism (530).
  8. 8. The anti-sticking powder metallurgy die according to claim 7, wherein a cooling runner (540) is arranged at one side of the base (510) corresponding to the positioning groove (511), a water inlet and a water outlet of the cooling runner (540) are both extended to the outside of the base (510), the cooling runner (540) is spirally distributed in the base (510) at the outer side of the positioning groove (511), and the cross section of the cooling runner (540) is circular.
  9. 9. The anti-sticking powder metallurgy die according to claim 8, characterized in that a clamping groove (522) matched with the quick locking mechanism (530) is formed in the outer wall of the embedded die core (520), a die cavity (521) is formed in the top of the embedded die core (520), a gradient anti-sticking coating is prepared on the surface of the die cavity (521), the gradient anti-sticking coating sequentially comprises a transition layer (5211), a functional layer (5212) and a surface layer (5213) from inside to outside, the transition layer (5211) is an alumina sol layer, the functional layer (5212) is a nano zirconia layer, and the surface layer (5213) is a yttrium fluoride modified layer.
  10. 10. The anti-sticking powder metallurgy die according to claim 9, wherein the quick locking mechanism (530) comprises a locking rod (531), the locking rod (531) is slidably inserted into the inner wall of the base (510), one end of the locking rod (531) extends into the positioning groove (511), the locking rod (531) is matched with the clamping groove (522), the other end of the locking rod (531) extends to the outside of the base (510), a reset spring (533) is sleeved on a rod body of the locking rod (531), two ends of the reset spring (533) are respectively connected and fixed with the locking rod (531) and the inner wall of the base (510), and a handle (532) is fixed at one end of the locking rod (531) extending outwards of the base (510).

Description

Antiseized powder metallurgy die Technical Field The invention relates to the technical field of powder metallurgy, in particular to an anti-sticking powder metallurgy die. Background Powder metallurgy is a process technology for manufacturing metal materials, composite materials and various types of products by forming and sintering metal powder or a mixture of metal powder and non-metal powder as a raw material. The die is core equipment in the powder metallurgy forming process, and the performance of the die directly influences the forming precision, the surface quality and the production efficiency of the powder metallurgy part. The applicant has found that the following problems exist with conventional powder metallurgy techniques: Powder raw materials can outwards burst and fall on the mould surface when pressing, and the in-process that outwards takes out after the raw materials shaping, the powder that adheres to the mould surface can shake, shake and fall to the work piece surface, and the work piece is still carried out sintering in the follow-up, and when the work piece surface remained powder, after sintering, the work piece surface can be rough uneven, influences the finished product quality. Therefore, powder attached to the surface of the die needs to be cleaned, powder is prevented from being adhered to a workpiece, in the prior art, when the powder is cleaned, the stamping equipment needs to be separated from the die, the whole separation process is long in time consumption, the machining efficiency is affected, in the prior art, the powder is cleaned in a manual mode, the degree of automation is low, and the cleaning efficiency is low. Therefore, the anti-sticking powder metallurgy die can efficiently clean outwards-sprayed powder and prevent the powder from shaking off and adhering to the surface of a workpiece. Disclosure of Invention The invention aims to provide an anti-sticking powder metallurgy die which solves the problems in the background art. In order to achieve the above purpose, the present invention provides the following technical solutions: An anti-sticking powder metallurgy die comprises The rack is used for mounting all parts required by stamping; the stamping mechanism and the stamping platform are correspondingly arranged on the frame; The cleaning mechanism is arranged at one side of the frame, corresponding to the stamping mechanism and the stamping platform, and is in linkage with the stamping mechanism, the cleaning mechanism is kept motionless when the stamping mechanism is stamped downwards, and the cleaning mechanism moves back and forth on the stamping platform when the stamping mechanism is reset upwards, so that powder sputtered outwards in the stamping process is cleaned; the die is arranged on the stamping platform, and the stamping mechanism, the stamping platform and the die are matched with each other to press the powder raw material into a shape. As a further scheme of the invention, the stamping mechanism comprises a hydraulic cylinder, a stamping rod and a stamping head, wherein the hydraulic cylinder is arranged at the top end of the frame, one end of the stamping rod is connected with the output end of the hydraulic cylinder, and the other end of the stamping rod is fixedly provided with the stamping head. As a still further scheme of the invention, the cleaning mechanism comprises a scraping plate, a sliding frame, a bracket, a mounting frame, a transmission shaft and a rack, wherein the rack is fixed on one side of the stamping rod, one end of the mounting frame is fixed on the frame, one side of the inside of the mounting frame is rotationally connected with a first rotating shaft, the middle part of the first rotating shaft is rotationally sleeved with a hollow gear, the hollow gear is in meshed connection with one side of the rack, the inside of the mounting frame is rotationally connected with a second rotating shaft corresponding to the upper part of the first rotating shaft, two ends of the first rotating shaft are sleeved with and fixed with first gears, two ends of the second rotating shaft are sleeved with and fixed with second gears, and the two second gears are respectively in meshed connection with the first gears on the corresponding sides. As a still further scheme of the invention, the middle part of the second rotating shaft is sleeved and fixed with a worm wheel, a worm is connected in the mounting frame in a rotating way above one side corresponding to the worm wheel, the worm is connected to one side of the worm wheel in a meshing way, one end of the worm, which is far away from the worm wheel, is fixed with a second bevel gear, the transmission shaft is connected to the frame in a rotating way through the bracket, one end of the transmission shaft is fixed with a first bevel gear, and the first bevel gear is connected to one side of the second bevel gear in a meshing way. As a still further scheme of the invention, the sliding fr