CN215824262U

CN215824262U - Metal powder metallurgy die with upper ejector pin

Info

Publication number: CN215824262U
Application number: CN202121486690.8U
Authority: CN
Inventors: 曹雪刚
Original assignee: Taicang Zhuozhi Electronic Equipment Co ltd
Current assignee: Taicang Zhuozhi Electronic Equipment Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-02-15
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a metal powder metallurgy die with an upper ejection pin, which relates to the field of powder metallurgy and comprises a base, a vertical plate, an electric hydraulic cylinder, an ejection pin and a first electric displacement sliding table, wherein the electric hydraulic cylinder is fixedly arranged at the top of the base through a screw, the power output end of the electric hydraulic cylinder is connected with a displacement plate, external threads are arranged on the periphery of the bottom end of the ejection pin, threaded holes are formed in two ends of the top of the displacement plate, the bottom end of the ejection pin is positioned in the threaded holes, a limiting threaded hole is formed in one side of the bottom end of the ejection pin in a penetrating mode, and protruding blocks are welded at two ends of the bottom of the displacement plate. This novel accomplish the back at the press forming for the liftout round pin of liftout can conveniently carry out the dismouting, and possesses the location effect when the installation, and firm effectual during the installation still possesses the convenient floating mechanism that carries out floating to the metal powder material in the bed die, and floating mechanism's upper and lower height can conveniently be adjusted, is fit for extensively using widely.

Description

Metal powder metallurgy die with upper ejector pin

Technical Field

The utility model relates to the technical field of powder metallurgy, in particular to a metal powder metallurgy die with an upper ejection pin.

Background

Powder metallurgy is a process in which metal powder is placed in a forming die, pressed to form, and sintered after forming to obtain a finished metal part, and in the process, a metallurgical die is very necessary.

The prior metal powder metallurgy die has the following defects: 1. after the pressing forming is finished, the ejection pin for ejecting cannot be conveniently disassembled and assembled, and has no positioning effect and poor stability effect during installation; 2. the metallurgical die does not have a floating mechanism which can conveniently float the metal powder in the lower die, and the upper height and the lower height of the floating mechanism cannot be conveniently adjusted. To this end, we propose a powder metal die with a cope-type knock-out pin.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a metal powder metallurgy die with an upper type ejector pin, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a metal powder metallurgy die with type of going up liftout round pin, includes base, riser, electric hydraulic cylinder, liftout round pin and first electronic displacement slip table, electric hydraulic cylinder passes through screw fixed mounting in the base top, electric hydraulic cylinder's power take off end is connected with the displacement board, liftout round pin bottom periphery is provided with the external screw thread, displacement board top both ends set up threaded hole and liftout round pin bottom and are located the threaded hole, liftout round pin bottom one side is run through and is seted up spacing screw, displacement board bottom both ends all weld the lug, the regulation double-screw bolt is installed through the thread groove to lug one end, the regulation double-screw bolt tip runs through spacing screw.

As a still further scheme of the utility model: the periphery of the end part of the limiting screw hole is sleeved with a locking nut and a rubber washer, and the locking nut is located on the outer side of the rubber washer.

As a still further scheme of the utility model: the first electric displacement sliding table is fixedly installed at one end of the top of the base through a bolt, the top of the displacement end of the first electric displacement sliding table is connected with a fixed plate, the top of the fixed plate is provided with a second electric displacement sliding table through a fixed seat, and one side of the displacement end of the second electric displacement sliding table is connected with a troweling plate through a connecting rod.

As a still further scheme of the utility model: the base top both sides all have the guide rail through the screw mounting, the extension board has all been welded at the trowelling plate both ends, there is the guide arm and the guide arm bottom is located the guide rail in extension board bottom one side through the screw mounting.

As a still further scheme of the utility model: the welding of base top has riser and riser to be located the electric hydraulic cylinder both ends, through locking screw fixedly connected with bed die between the riser top, the liftout round pin top runs through the bed die bottom.

As a still further scheme of the utility model: the welding of riser top one side has the roof, there is the press body roof bottom through construction bolt fixed mounting, the power take off end of press body is connected with the last mould that corresponds with the bed die.

As a still further scheme of the utility model: the outer surface layer of the ejector pin is provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of cold galvanizing materials.

Compared with the prior art, the utility model has the beneficial effects that:

1. in arranging metal powder in the bed die, go up the mould convenience and push down under the drive of press body, utilize mould and bed die cooperation, conveniently be the metal block with the metal powder press forming in the bed die, utilize the liftout round pin, can carry out the lifting under electric hydraulic cylinder's drive as required to the convenient metal block after the bottom shaping in to the bed die is ejecting, accomplishes the ejecting function to the metalwork.

2. Utilize the screw hole cooperation at outlying external screw thread in liftout round pin bottom and displacement board top both ends, can twist the liftout round pin in the screw hole when needs to make the liftout round pin conveniently carry out the dismouting, utilize the regulation double-screw bolt tip to pass spacing screw, can make the liftout round pin possess the location effect when the installation, it is fixed to utilize lock nut to conveniently lock regulation double-screw bolt and spacing screw when screwing up, thereby fix liftout round pin and regulation double-screw bolt.

3. Utilize first electronic displacement slip table and the electronic displacement slip table of second, conveniently drive connecting rod and floating plate and remove on level and vertical direction, floating plate can play the floating effect to the metal powder of placing in the bed die when horizontal migration, and floating plate can adjust floating mechanism's upper and lower height as required when reciprocating. Utilize the rubber packing ring, can be when lock nut screws, play the guard action to lock nut and spacing screw outward flange for the firm effect when the installation of liftout round pin is better.

Drawings

FIG. 1 is a schematic view of the overall structure of a metal powder metallurgy die with an upper ejector pin according to the utility model.

FIG. 2 is a schematic structural diagram of a displacement plate and a knockout pin of a metal powder metallurgy die with an upper type knockout pin according to the present invention.

FIG. 3 is a schematic bottom view of a powder metal mold with a cope-type knock-out pin according to the present invention.

FIG. 4 is a schematic top view of a powder metal mold with an over-mold knockout pin in accordance with the present invention.

FIG. 5 is a schematic diagram of a detailed structure at A of the metal powder metallurgy die with the upper ejection pin.

In the figure: 1. a base; 2. a vertical plate; 3. a top plate; 4. installing a bolt; 5. a press body; 6. an upper die; 7. a vertical plate; 8. locking the screw; 9. a lower die; 10. an electric hydraulic cylinder; 11. a displacement plate; 12. a liftout pin; 13. a first electric displacement slide table; 14. a fixing plate; 15. a second electric displacement sliding table; 16. a connecting rod; 17. smearing the plate; 18. an extension plate; 19. a guide bar; 20. a guide rail; 21. an external thread; 22. a bump; 23. adjusting the stud; 24. a limiting screw hole; 25. locking the nut; 26. a rubber gasket.

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. 1-5, in the embodiment of the present invention, the lifting device includes a base 1, a vertical plate 2, an electric hydraulic cylinder 10, a lifting pin 12 and a first electric displacement sliding table 13, the electric hydraulic cylinder 10 is fixedly mounted on the top of the base 1 through a screw, a power output end of the electric hydraulic cylinder 10 is connected to a displacement plate 11, an external thread 21 is disposed on the periphery of the bottom end of the lifting pin 12, threaded holes are formed in two ends of the top of the displacement plate 11, the bottom end of the lifting pin 12 is located in the threaded holes, a limit screw hole 24 is formed through one side of the bottom end of the lifting pin 12, bumps 22 are welded to two ends of the bottom of the displacement plate 11, an adjusting stud 23 is mounted on one end of the bump 22 through the threaded groove, and an end of the adjusting stud 23 penetrates through the limit screw hole 24.

Wherein, the peripheral cover in limit screw hole 24 tip is equipped with lock nut 25 and rubber packing ring 26, and lock nut 25 is located the rubber packing ring 26 outside, utilizes lock nut 25 to conveniently lock fixedly adjusting stud 23 and limit screw hole 24 when screwing up to fix liftout pin 12 and adjusting stud 23, utilize rubber packing ring 26, can be when lock nut 25 screws, play the guard action to lock nut 25 and limit screw hole 24 outward flange.

Wherein, first electronic displacement slip table 13 passes through bolt fixed mounting in 1 top one end of base, the displacement end top of first electronic displacement slip table 13 is connected with fixed plate 14, the electronic displacement slip table 15 of second is installed through the fixing base in the 14 tops of fixed plate, the displacement end one side of the electronic displacement slip table 15 of second is connected with troweling plate 17 through connecting rod 16, utilize first electronic displacement slip table 13 and the electronic displacement slip table 15 of second, conveniently drive connecting rod 16 and troweling plate 17 and remove in level and vertical direction, troweling plate 17 is when horizontal migration, can play the effect of troweling to the metal powder of placing in lower mould 9, troweling plate 17 is when reciprocating, can adjust the upper and lower height of troweling mechanism as required.

Wherein, base 1 top both sides all have a guide rail 20 through the screw mounting, and the board 18 is extended in all welding at trowelling plate 17 both ends, and it has guide arm 19 and guide arm 19 bottom to be located guide rail 20 through the screw mounting to extend board 18 bottom one side, utilizes the guide rail 20 to the spacing guide effect of guide arm 19 bottom, can effectively promote the stability of trowelling plate 17 when horizontal migration.

Wherein, the welding of base 1 top has riser 7 and riser 7 to be located electric hydraulic cylinder 10 both ends, through 8 fixedly connected with bed dies 9 of locking screw between the 7 tops of riser, and the 12 tops of liftout round pin run through the 9 bottoms of bed dies, utilizes liftout round pin 12, can carry out the lifting under electric hydraulic cylinder 10's drive as required to the metal block after the bottom shaping in convenient lower mould 9 carries out ejecting.

Wherein, the welding of 2 top one sides of riser has

roof

3, and 3 bottoms of roof have press body 5 through 4 fixed mounting of construction bolt, and the power take off end of press body 5 is connected with the last mould 6 that corresponds with bed die 9, goes up mould 6 and conveniently pushes down under the drive of press body 5, utilizes the cooperation of last mould 6 and bed die 9, conveniently is the metal block with the metal powder press forming in the bed die 9.

The corrosion-resistant layer made of cold galvanizing materials can effectively improve the corrosion resistance of the outer surface layer of the ejector pin 12, and is beneficial to prolonging the service life of the ejector pin 12.

It should be noted that the utility model is a metal powder metallurgy die with an upper type ejector pin, when in use, metal powder is placed in a lower die 9, an upper die 6 is convenient to be driven by a press machine body 5 to be pressed downwards, the upper die 6 is matched with the lower die 9 to be convenient to press and form the metal powder in the lower die 9 into a metal block, the ejector pin 12 can be lifted under the driving of an electric hydraulic cylinder 10 when needed, so that the metal block formed at the bottom in the lower die 9 can be conveniently ejected, the ejection function of a metal piece is completed, the external thread 21 on the periphery of the bottom end of the ejector pin 12 is matched with the threaded holes on the two ends of the top of a displacement plate 11, the ejector pin 12 can be screwed in the threaded holes when needed, so that the ejector pin 12 can be conveniently disassembled and assembled, the end of an adjusting stud 23 passes through a limit threaded hole 24, so that the ejector pin 12 has a positioning effect when being assembled, the adjusting stud 23 and the limiting screw hole 24 are conveniently locked and fixed by the locking nut 25 when being screwed, so that the ejector pin 12 and the adjusting stud 23 are fixed, the outer edges of the locking nut 25 and the limiting screw hole 24 can be protected by the rubber washer 26 when the locking nut 25 is screwed, and the stabilizing effect of the ejector pin 12 during installation is better,

utilize first electronic displacement slip table 13 and the electronic displacement slip table 15 of second, conveniently drive connecting rod 16 and trowelling plate 17 and remove on level and vertical direction, trowelling plate 17 can play the effect of floating to the metal powder of placing in lower mould 9 when horizontal migration, and trowelling plate 17 can adjust the upper and lower height of mechanism of floating as required when reciprocating.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a metal powder metallurgy die with type of going up liftout round pin, includes base (1), riser (2), electric hydraulic cylinder (10), liftout round pin (12) and first electronic displacement slip table (13), its characterized in that: electric hydraulic cylinder (10) are through screw fixed mounting in base (1) top, the power take off end of electric hydraulic cylinder (10) is connected with displacement board (11), liftout round pin (12) bottom periphery is provided with external screw thread (21), displacement board (11) top both ends set up screw hole and liftout round pin (12) bottom and are located the threaded hole, liftout round pin (12) bottom one side is run through and is seted up spacing screw (24), lug (22) have all been welded at displacement board (11) bottom both ends, regulation double-screw bolt (23) are installed through the thread groove to lug (22) one end, regulation double-screw bolt (23) tip runs through spacing screw (24).

2. The metal powder metallurgy die with cope ejector pin of claim 1, wherein: the periphery of the end part of the limiting screw hole (24) is sleeved with a locking nut (25) and a rubber gasket (26), and the locking nut (25) is located on the outer side of the rubber gasket (26).

3. The metal powder metallurgy die with cope ejector pin of claim 1, wherein: first electronic displacement slip table (13) is through bolt fixed mounting in base (1) top one end, the displacement end top of first electronic displacement slip table (13) is connected with fixed plate (14), second electronic displacement slip table (15) are installed through the fixing base in fixed plate (14) top, the displacement end one side of the electronic displacement slip table of second (15) is connected with troweling plate (17) through connecting rod (16), base (1) top both sides all have guide rail (20) through the screw mounting, troweling plate (17) both ends all weld extension board (18), it has guide arm (19) and guide arm (19) bottom to be located guide rail (20) through the screw mounting to extend board (18) bottom one side.

4. The metal powder metallurgy die with cope ejector pin of claim 1, wherein: the welding of base (1) top has riser (7) and riser (7) to be located electric hydraulic cylinder (10) both ends, through locking screw (8) fixedly connected with bed die (9) between riser (7) top, liftout round pin (12) top runs through bed die (9) bottom.

5. The metal powder metallurgy die with cope type knockout pin according to claim 1 or 4, characterized in that: the welding of riser (2) top one side has roof (3), there is press body (5) roof (3) bottom through construction bolt (4) fixed mounting, the power take off end of press body (5) is connected with last mould (6) that correspond with bed die (9).

6. The metal powder metallurgy die with cope ejector pin of claim 1, wherein: the outer surface layer of the ejector pin (12) is provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of cold galvanizing materials.