CN215697977U

CN215697977U - Stamping device for powder metallurgy

Info

Publication number: CN215697977U
Application number: CN202121447616.5U
Authority: CN
Inventors: 黄永亮
Original assignee: Jiangsu Zhongwei Metal Manufacturing Co ltd
Current assignee: Jiangsu Zhongwei Metal Manufacturing Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-02-01
Anticipated expiration: 2031-06-28

Abstract

The utility model relates to the technical field of powder metallurgy, and discloses a stamping device for powder metallurgy, which comprises a base, wherein a supporting side column is fixedly connected to the top of the base at a position far away from the middle, a hydraulic column is fixedly connected to the top of the supporting side column at the middle, the output end of the hydraulic column penetrates through the supporting side column, the output end of the hydraulic column is fixedly connected with a pressure rod, an automatic leveling device is arranged on the outer wall of the pressure rod and at a position close to the right side, a connecting sleeve is movably sleeved at the bottom of the pressure rod, and a pressure module is fixedly connected to the bottom of the connecting sleeve. This stamping device for powder metallurgy scrapes the flat to mould top metal powder through automatic leveling device before the punching press to strike off unnecessary metal powder, thereby improved the degree of consistency and the quality of punching press, then through automatic ejecting device with the punching press after accomplishing, the finished product after the punching press is observed and will be taken off to the punching press effect to the convenience.

Description

Stamping device for powder metallurgy

Technical Field

The utility model relates to the technical field of powder metallurgy, in particular to a stamping device for powder metallurgy.

Background

Need earlier all belong to the powder after mixing to carry out stamping forming during powder metallurgy, then finalize the design through heating, the quantity of stamping raw materials should not control when the punching press of general stamping device to metal powder upper surface unevenness before the punching press leads to punching press department wastrel easily, and can't observe the punching press effect among the punching press process, and can't unload the blanking body after accomplishing the punching press voluntarily, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a stamping device for powder metallurgy, which solves the problems that defective products are easy to appear during stamping, the stamping effect cannot be observed and blank discharging is inconvenient.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a stamping device for powder metallurgy comprises a base, wherein a supporting side column is fixedly connected to the top of the base and positioned far away from the middle, a hydraulic column is fixedly connected to the top of the supporting side column and positioned at the middle, an output end of the hydraulic column penetrates through the supporting side column, a pressure rod is fixedly connected to the output end of the hydraulic column, an automatic flattening device is arranged on the outer wall of the pressure rod and positioned close to the right side, a connecting sleeve is movably sleeved at the bottom of the pressure rod, a pressure module is fixedly connected to the bottom of the connecting sleeve, an installation cavity is formed in the top of the base and positioned at the middle, a bottom die is movably sleeved in the installation cavity and positioned close to the top, and an automatic ejection device is arranged below the bottom die;

the automatic leveling device comprises a mounting plate, a positioning rotating shaft, a limiting gear, a limiting clamping plate, a transmission rod, a scraping plate and a supporting roller, the mounting plate is fixedly connected with the outer wall of the pressure lever and is positioned close to the right side, the positioning rotating shaft is rotatably connected with the front side wall of the mounting plate and is positioned close to the right side through a bearing, the limiting gear is rotationally connected with the outer wall of the positioning rotating shaft and the position which is positioned at the front side of the mounting plate, the upper end of the limiting clamping plate close to the limiting clamping plate is rotationally connected with the front side wall of the mounting plate and the position which is positioned at the upper left of the positioning rotating shaft through a bearing, the right lower end of the limit clamping plate is clamped above the limit gear, the transmission rod is fixedly connected with the rear end of the positioning rotating shaft, the rear end of the scraper is rotatably connected with the front side wall of the transmission rod and is positioned close to the bottom through a bearing, the supporting roller is rotatably connected with the rear side wall of the transmission rod through a bearing and is positioned close to the bottom.

Preferably, automatic ejecting device includes movable chamber, elastic support stake, bottom plate, pull rod and position loop bar, the movable chamber is seted up at the top of base and is located the left position of installation cavity, the bottom fixed connection of elastic support stake and installation cavity, threaded connection is passed through with the top of elastic support stake to the bottom plate, bottom plate activity joint is in the inside of end mould, the bottom fixed connection of pull rod and bottom plate, the one end that the bottom plate was kept away from to the pull rod extends the inside in movable chamber, position loop bar and the one end activity that the pull rod extended movable chamber inside cup joint, the top of position loop bar extends the upside of base through movable chamber.

Preferably, the inner wall of the connecting sleeve is provided with a threaded ring, the outer wall of the pressure lever is provided with a threaded groove at a position close to the bottom end, the inner wall of the mounting cavity is provided with a threaded groove at a position close to the top end, the outer wall of the bottom die is provided with a threaded ring, and the pressure module and the bottom die are conveniently replaced through the matching of the threaded ring and the threaded groove, so that dies with different sizes are stamped.

Preferably, the rear side wall of the limiting gear is fixedly connected with a vortex spring at a position close to the center, one end, away from the limiting gear, of the vortex spring is fixedly connected with the front side wall of the mounting plate, when the limiting gear is reset after stamping is completed, the limiting clamping plate is upwards picked to enable the right end of the limiting clamping plate to be removed from fixing the limiting gear, the limiting gear rotates under the driving of the vortex spring, and the static rear scraper and the supporting roller are located on a left-side position below the limiting gear, so that subsequent stamping is facilitated.

Preferably, the outer wall of the scraper close to the rear end is fixedly connected with a reset vortex spring, one end of the reset vortex spring, which is far away from the scraper, is fixedly connected with the front side wall of the transmission rod, and the reset vortex spring enables the scraper to scrape the top of the bottom die, so that the lower end of the scraper close to the top of the bottom die can be always in contact with the top of the bottom die, and the scraping effect is improved.

Preferably, the top end of the elastic support pile is located on the same plane with the bottom of the bottom die when being compressed to the lowest position, so that the support strength is ensured, and the bottom plate does not excessively move downwards to cause metal powder to leak from the bottom when being punched.

Preferably, the right side inner wall in activity chamber is located the position that is close to the top and has seted up positioning groove, and positioning sleeve pole's right side wall fixedly connected with location dop is pegged graft fixedly with positioning sleeve pole and activity chamber through the cooperation of location dop and positioning groove.

Preferably, the surface of the gear head of the limit gear, which is close to the clockwise direction, is an arc surface, and the surface of the gear head of the limit gear, which is close to the counterclockwise direction, passes through the circle center of the limit gear, so that the limit gear can only rotate clockwise under the limitation of the limit clamping plate.

Compared with the prior art, the utility model provides a stamping device for powder metallurgy, which has the following beneficial effects:

1. the stamping device for powder metallurgy is provided with a mounting plate, a positioning rotating shaft, a limiting gear, a limiting clamping plate, a transmission rod, a scraper and a supporting roller, wherein during stamping, a hydraulic column drives the pressure rod to move downwards, the pressure rod drives the mounting plate to move downwards, the mounting plate drives the positioning rotating shaft to move downwards, the positioning rotating shaft drives the transmission rod to move downwards, the transmission rod drives the scraper and the supporting roller to move downwards, after the scraper and the supporting roller are contacted with the top of a base, the pressure rod continues to move downwards, the scraper and the supporting roller move leftwards at the moment and drive the transmission rod to rotate leftwards, metal powder on the top of a bottom die is scraped by the scraper, and redundant metal powder is scraped leftwards, so that defective products caused by uneven stamping in the stamping process are prevented, the stamping quality is improved, the transmission rod drives the limiting gear to rotate clockwise through the positioning rotating shaft, the limiting gear can only rotate clockwise under the support of the limiting clamping plate, and the scraper cannot rotate reversely when the pressing module moves upwards after being pressed downwards for one time, so that the finished product ejected out cannot be touched.

2. This stamping device for powder metallurgy, set up the activity chamber, the elastic support stake, the bottom plate, pull rod and location loop bar, the scraper blade removes left and scrapes at ordinary times and promotes the loop bar and remove left with the contact of location loop bar, make the location dop contact of location loop bar right side wall and the joint of activity chamber right side inner wall positioning slot, thereby make location loop bar and pull rod remove the fixed to the bottom plate, exert ascending power to the bottom plate through the elastic support stake, the punching press is accomplished the back, the elastic support stake promotes the bottom plate and upwards removes, thereby with the automatic ejecting of inside stamping forming's idiosome, conveniently observe the punching press effect, can carry out punching press once more to the shaping incomplete, and conveniently take out the idiosome that the punching press was accomplished, high durability and convenient use, the efficiency of punching press has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2B according to the present invention.

Wherein: 1. a base; 2. supporting the side posts; 3. a hydraulic column; 4. a pressure lever; 5. an automatic leveling device; 51. mounting a plate; 52. positioning the rotating shaft; 53. a limit gear; 54. a limiting clamping plate; 55. a transmission rod; 56. a squeegee; 57. supporting the rollers; 6. connecting sleeves; 7. pressing the module; 8. a mounting cavity; 9. a bottom mold; 10. an automatic ejection device; 101. a movable cavity; 102. an elastic support pile; 103. a base plate; 104. a pull rod; 105. and (5) positioning the loop bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a stamping device for powder metallurgy, which comprises a base 1, a supporting side column 2 is fixedly connected to the top of the base 1 at a position far away from the middle, a hydraulic column 3 is fixedly connected to the top of the supporting side column 2 at a position in the middle, the output end of the hydraulic column 3 penetrates through the supporting side column 2, a press rod 4 is fixedly connected to the output end of the hydraulic column 3, an automatic leveling device 5 is arranged on the outer wall of the press rod 4 and near the right side, a connecting sleeve 6 is movably sleeved at the bottom of the press rod 4, a pressure module 7 is fixedly connected to the bottom of the connecting sleeve 6, a mounting cavity 8 is arranged at the top of the base 1 and near the middle, a threaded ring is arranged on the inner wall of the connecting sleeve 6, a threaded groove is arranged on the outer wall of the press rod 4 and near the bottom, a threaded groove is arranged on the inner wall of the mounting cavity 8 and near the top, the outer wall of the bottom die 9 is provided with a threaded ring, the press module 7 and the bottom die 9 are conveniently replaced through the matching of the threaded ring and a threaded groove, so that dies with different sizes are stamped, the bottom die 9 is movably sleeved in the mounting cavity 8 and is located close to the top, and an automatic ejection device 10 is arranged below the bottom die 9;

the automatic leveling device 5 comprises a mounting plate 51, a positioning rotating shaft 52, a limiting gear 53, a limiting clamping plate 54, a transmission rod 55, a scraper 56 and a support roller 57, wherein the mounting plate 51 is fixedly connected with the outer wall of the pressure lever 4 at a position close to the right side, the positioning rotating shaft 52 is rotatably connected with the front side wall of the mounting plate 51 at a position close to the right side through a bearing, the limiting gear 53 is rotatably connected with the outer wall of the positioning rotating shaft 52 at a position close to the front side of the mounting plate 51, the upper end close to the limiting clamping plate 54 is rotatably connected with the front side wall of the mounting plate 51 at a position above the left side of the positioning rotating shaft 52 through a bearing, the lower right end of the limiting clamping plate 54 is clamped above the limiting gear 53, the surface close to the clockwise direction of the tooth head of the limiting gear 53 is an arc surface, the surface close to the anticlockwise direction of the tooth head of the limiting gear 53 passes through the circle center of the limiting gear 53, so that the limiting gear 53 can only rotate clockwise under the limitation of the limiting clamping plate 54, a vortex spring is fixedly connected to the rear side wall of the limiting gear 53 and located at a position close to the center, one end, away from the limiting gear 53, of the vortex spring is fixedly connected with the front side wall of the mounting plate 51, when the limiting gear is reset after stamping is finished, the limiting clamping plate 54 is lifted upwards to enable the right end of the limiting clamping plate 54 to release the fixing of the limiting gear 53, the limiting gear 53 is driven by the vortex spring to rotate, the stationary rear scraping plate 56 and the supporting roller 57 are located at a position which is slightly left below the limiting gear 53, so that subsequent stamping is facilitated, the transmission rod 55 is fixedly connected with the rear end of the positioning rotating shaft 52, the rear end of the scraping plate 56 is rotatably connected with the front side wall of the transmission rod 55 and located at a position close to the bottom through a bearing, a reset vortex spring is fixedly connected to the outer wall close to the rear end of the scraping plate 56, one end, away from the scraping plate 56, of the reset vortex spring is fixedly connected with the front side wall of the transmission rod 55, when the scraping plate 56 scrapes the top of the bottom die 9 through the reset vortex spring, the lower end of the scraping plate 56 can be kept to be always in contact with the top of the bottom die 9, the scraping effect is improved, the support roller 57 is rotatably connected with the rear side wall of the transmission rod 55 and is positioned close to the bottom through a bearing, the mounting plate 51, the positioning rotating shaft 52, the limiting gear 53, the limiting clamping plate 54, the transmission rod 55, the scraping plate 56 and the support roller 57 are arranged, when the punching is performed, the hydraulic column 3 drives the pressing rod 4 to move downwards, the pressing rod 4 drives the mounting plate 51 to move downwards, the mounting plate 51 drives the positioning rotating shaft 52 to move downwards, the positioning rotating shaft 52 drives the transmission rod 55 to move downwards, the transmission rod 55 drives the scraping plate 56 and the support roller 57 to move downwards, after the scraping plate 56 is in contact with the top of the base 1 and the pressing rod 4 continues to move downwards, at the moment, the scraping plate 56 and the support roller 57 move leftwards and drive the transmission rod 55 to rotate leftwards, strickle the metal powder at bottom die 9 top through scraper blade 56, and strike off unnecessary metal powder left, thereby prevent among the stamping process that the punching press is inhomogeneous to lead to the defective products appearing, the quality of punching press has been improved, transfer line 55 drives limit gear 53 through location pivot 52 and carries out clockwise rotation, limit gear 53 can only carry out clockwise rotation under the support of spacing cardboard 54, scraper blade 56 can not the antiport when pressing module 7 to carrying out the rebound after punching press downwards, thereby can not touch ejecting finished product.

The automatic ejection device 10 comprises a movable cavity 101, an elastic support pile 102, a bottom plate 103, a pull rod 104 and a positioning sleeve rod 105, wherein the movable cavity 101 is arranged at the top of the base 1 and is located at the left side of the installation cavity 8, the elastic support pile 102 is fixedly connected with the bottom of the installation cavity 8, the top of the bottom plate 103 is connected with the top of the elastic support pile 102 through threads, the top end of the elastic support pile 102 is located on the same plane with the bottom of the bottom die 9 when being compressed to the lowest position, the supporting strength is ensured, when punching is performed, the bottom plate 103 cannot excessively move downwards to cause metal powder to leak from the bottom, the bottom plate 103 is movably clamped inside the bottom die 9, the pull rod 104 is fixedly connected with the bottom of the bottom plate 103, one end of the pull rod 104, which is far away from the bottom plate 103, extends into the movable cavity 101, the positioning sleeve rod 105 is movably sleeved with one end of the pull rod 104, the top end of the positioning sleeve rod 105 extends to the upper side of the base 1 through the movable cavity 101, a positioning clamping groove is formed in the position, close to the top, of the right inner wall of the movable cavity 101, a positioning clamping head is fixedly connected to the right side wall of the positioning sleeve rod 105, the positioning sleeve rod 105 is fixedly connected with the movable cavity 101 in an inserting mode through the matching of the positioning clamping head and the positioning clamping groove, the movable cavity 101, the elastic support pile 102, the bottom plate 103, the pull rod 104 and the positioning sleeve rod 105 are arranged, the scraper 56 moves leftwards to be in contact with the positioning sleeve rod 105 when scraping is carried out, the positioning sleeve rod 105 is pushed leftwards to move, the positioning clamping head on the right side wall of the positioning sleeve rod 105 is in contact with the positioning clamping groove in the right inner wall of the movable cavity 101, the positioning sleeve rod 105 and the pull rod 104 are enabled to release the fixation on the bottom plate 103, upward force is applied to the bottom plate 103 through the elastic support pile 102, after punching is completed, the elastic support pile 102 pushes the bottom plate 103 to move upwards, so that an inner blank body is automatically ejected out, and punching forming is convenient to observe a punching effect, the incomplete forming can be punched again, the blank body which is punched is taken out conveniently, the use is convenient, and the punching efficiency is improved.

When the metal powder stamping die is used, metal powder is added into the bottom die 9, the hydraulic column 3 drives the pressure rod 4 to move downwards, the pressure rod 4 drives the mounting plate 51 to move downwards, the mounting plate 51 drives the positioning rotating shaft 52 to move downwards, the positioning rotating shaft 52 drives the transmission rod 55 to move downwards, the transmission rod 55 drives the scraper 56 and the support roller 57 to move downwards, after the scraper 56 and the support roller 57 are contacted with the top of the base 1, the pressure rod 4 continues to move downwards, at the moment, the scraper 56 and the support roller 57 move leftwards and drive the transmission rod 55 to rotate leftwards, the scraper 56 scrapes off the metal powder on the top of the bottom die 9 and scrapes off the redundant metal powder leftwards, the metal powder is collected through a brush after being scraped to the left side, defective products caused by uneven stamping in the stamping process are prevented, the stamping quality is improved, the transmission rod 55 drives the limit gear 53 to rotate clockwise through the positioning rotating shaft 52, the limit gear 53 can only rotate clockwise under the support of the limit catch plate 54, the scraper 56 can not rotate reversely when the pressing module 7 moves upwards after punching downwards for one time, so as not to touch the ejected finished product, the scraper 56 moves leftwards to scrape the finished product, and contacts with the positioning sleeve rod 105 to push the positioning sleeve rod 105 to move leftwards, so that the positioning chuck on the right side wall of the positioning sleeve rod 105 contacts and is clamped with the positioning clamping groove on the right inner wall of the movable cavity 101, so that the fixing of the bottom plate 103 by the positioning sleeve rods 105 and the pull rods 104 is released, an upward force is applied to the bottom plate 103 through the elastic support piles 102, and after the punching is completed, the elastic supporting pile 102 pushes the bottom plate 103 to move upwards, so that the blank body formed by internal punching is automatically ejected out, the punching effect is convenient to observe, the incompletely formed blank can be punched again, and the punched blank can be taken out conveniently and is convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stamping device for powder metallurgy, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a supporting side column (2) at a position far away from the middle, the top of the supporting side column (2) is fixedly connected with a hydraulic column (3) at the middle position, the output end of the hydraulic column (3) penetrates through the supporting side column (2), the output end of the hydraulic column (3) is fixedly connected with a pressure lever (4), an automatic leveling device (5) is arranged on the outer wall of the pressure lever (4) and close to the right side, a connecting sleeve (6) is movably sleeved at the bottom of the pressure lever (4), a pressure module (7) is fixedly connected at the bottom of the connecting sleeve (6), an installation cavity (8) is arranged at the top and in the middle of the base (1), a bottom mould (9) is movably sleeved in the mounting cavity (8) at a position close to the top, an automatic ejection device (10) is arranged below the bottom die (9);

the automatic leveling device (5) comprises a mounting plate (51), a positioning rotating shaft (52), a limiting gear (53), a limiting clamping plate (54), a transmission rod (55), a scraper (56) and a supporting roller (57), wherein the mounting plate (51) is fixedly connected with the outer wall of the pressure lever (4) and is positioned close to the right side, the positioning rotating shaft (52) is rotatably connected with the front side wall of the mounting plate (51) and is positioned close to the right side through a bearing, the limiting gear (53) is rotatably connected with the outer wall of the positioning rotating shaft (52) and is positioned at the front side of the mounting plate (51), the upper end of the limiting clamping plate (54) close to the front side wall of the mounting plate (51) and is rotatably connected with the position above the left side of the positioning rotating shaft (52) through a bearing, the lower right end of the limiting clamping plate (54) is clamped above the limiting gear (53), the transmission rod (55) is fixedly connected with the rear end of the positioning rotating shaft (52), the rear end of the scraper (56) is rotatably connected with the front side wall of the transmission rod (55) through a bearing and is positioned close to the bottom, and the supporting roller (57) is rotatably connected with the rear side wall of the transmission rod (55) through a bearing and is positioned close to the bottom.

2. The pressing apparatus for powder metallurgy according to claim 1, wherein: the automatic ejection device (10) comprises a movable cavity (101), an elastic supporting pile (102), a bottom plate (103), a pull rod (104) and a positioning sleeve rod (105), the movable cavity (101) is arranged at the top of the base (1) and is positioned at the left side of the mounting cavity (8), the elastic supporting pile (102) is fixedly connected with the bottom of the mounting cavity (8), the bottom plate (103) is connected with the top of the elastic support pile (102) through screw threads, the bottom plate (103) is movably clamped in the bottom die (9), the pull rod (104) is fixedly connected with the bottom of the bottom plate (103), one end of the pull rod (104) far away from the bottom plate (103) extends to the inside of the movable cavity (101), the positioning sleeve rod (105) is movably sleeved with one end of the pull rod (104) extending to the interior of the movable cavity (101), the top end of the positioning loop bar (105) extends to the upper side of the base (1) through the movable cavity (101).

3. The pressing apparatus for powder metallurgy according to claim 1, wherein: the inner wall of the connecting sleeve (6) is provided with a threaded ring, the outer wall of the pressure lever (4) is provided with a threaded groove at a position close to the bottom end, the inner wall of the mounting cavity (8) is provided with a threaded groove at a position close to the top end, and the outer wall of the bottom die (9) is provided with a threaded ring.

4. The pressing apparatus for powder metallurgy according to claim 1, wherein: and a vortex spring is fixedly connected to the rear side wall of the limiting gear (53) and is positioned close to the center, and one end, far away from the limiting gear (53), of the vortex spring is fixedly connected with the front side wall of the mounting plate (51).

5. The pressing apparatus for powder metallurgy according to claim 1, wherein: the outer wall of the scraper (56) close to the rear end is fixedly connected with a return vortex spring, and one end of the return vortex spring, which is far away from the scraper (56), is fixedly connected with the front side wall of the transmission rod (55).

6. The pressing apparatus for powder metallurgy according to claim 2, wherein: the top end of the elastic supporting pile (102) is positioned on the same plane with the bottom of the bottom die (9) when being compressed to the lowest position.

7. The pressing apparatus for powder metallurgy according to claim 2, wherein: the right side inner wall of activity chamber (101) is located the position that is close to the top and has seted up positioning groove, and the right side wall fixedly connected with location dop of location loop bar (105).

8. The pressing apparatus for powder metallurgy according to claim 1, wherein: the face of the tooth head of the limiting gear (53) close to the clockwise direction is an arc face, and the face of the tooth head of the limiting gear (53) close to the anticlockwise direction passes through the circle center of the limiting gear (53).