CN218080226U

CN218080226U - Lower ejection device of press machine

Info

Publication number: CN218080226U
Application number: CN202222475997.9U
Authority: CN
Inventors: 陆友荣; 龚伟兴
Original assignee: Shanghai Yunliang Forging Press Co ltd
Current assignee: Shanghai Yunliang Forging Press Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2022-12-20
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a lower ejecting device of press, the on-line screen storage device comprises a base, the inner wall sliding connection of base has the assistance ejector pin, the roof is assisted to the bottom outer wall fixedly connected with of assistance ejector pin, the bottom outer wall fixedly connected with stand of assisting the roof, the bottom outer wall fixedly connected with auxiliary cylinder piston of stand, the inner wall sliding connection of base has main ejector pin. Can drive main ejector pin and assist the ejector pin and push down simultaneously through the master cylinder, just so can push down simultaneously fixed mounting's on the stand auxiliary cylinder piston and the master cylinder piston of fixed mounting on the master cylinder roof through the master roof and assist the roof, after exerting pressure to the target, auxiliary cylinder can push down the stand through driving the auxiliary ejector pin once more, because auxiliary cylinder piston and stand fixed connection, with master cylinder piston sliding connection, so auxiliary cylinder piston can stretch out from master cylinder piston, just so can realize that the secondary of different pressure is ejecting.

Description

Lower ejection device of press machine

Technical Field

The utility model belongs to the technical field of the press, concretely relates to lower ejecting device of press.

Background

The press is a forging and pressing forming processing device for various high, medium and low-grade refractory materials or various metal material products. The clutch screw press is one of the presses, and the function principle of the press is that a motor drives a flywheel to rotate, then a clutch piston is pushed by a hydraulic cylinder to combine a clutch driven disc connected with a screw rod into a whole with the flywheel, the rotation of the flywheel drives the screw rod to rotate, a nut is matched at the lower end of the screw rod, a sliding block is fixedly arranged on the nut, and the sliding block moves downwards under the matching action of threads, and a working part (die) on the sliding block forges a workpiece.

A traditional press downward ejection device usually adopts a single-pressing pressure head, and thus, the demolding effect is not ideal when the traditional press downward ejection device is used for a complex mold structure of secondary mold parting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lower ejecting device of press possesses the advantage that the secondary divides the mould to the not enough of prior art existence.

In order to achieve the above object, the utility model provides a following technical scheme: the lower ejection device of the press machine comprises a base, wherein an auxiliary ejection rod is connected to the inner wall of the base in a sliding mode, an auxiliary ejection plate is fixedly connected to the outer wall of the bottom of the auxiliary ejection rod, a stand column is fixedly connected to the outer wall of the bottom of the auxiliary ejection plate, an auxiliary oil cylinder piston is fixedly connected to the outer wall of the bottom of the stand column, a main ejection rod is fixedly connected to the outer wall of the bottom of the main ejection rod, a main push rod is fixedly connected to the outer wall of the bottom of the main push rod, an auxiliary oil cylinder head is fixedly connected to the outer wall of the bottom of the main oil cylinder head, a main oil cylinder piston is fixedly connected to the outer wall of the auxiliary oil cylinder head, a cylinder barrel is fixedly connected to the outer wall of the main oil cylinder piston, a main oil cylinder head is fixedly connected to the outer wall of the cylinder barrel, the outer wall of the main push rod is connected with the inner walls of the auxiliary ejection rod and the stand column in a sliding mode, and the outer wall of the auxiliary oil cylinder piston is connected with the inner wall of the main oil cylinder piston in a sliding mode.

Preferably, the outer wall of the upright post is slidably connected with an upper guide ring, the outer wall of the upright post is slidably connected with a lower guide ring, and the outer walls of the upper guide ring and the lower guide ring are fixedly connected with an ejection support.

Preferably, the outer wall of the bottom of the ejection support is fixedly connected with a fixed beam, the inner wall of the fixed beam is fixedly connected with a bolt, and the outer wall of the bolt is fixedly connected with the inner wall of the base.

Preferably, the outer wall of the bottom of the ejection support is fixedly connected with a guide sleeve, the inner wall of the ejection support is fixedly connected with a fastening screw, the fastening screw is used for fixing the ejection support and the guide sleeve, and the guide sleeve is installed at the top of the fixed beam.

Preferably, the inner wall of fixed beam is provided with the pull rod, be provided with the bottom plate in the pull rod, the outer wall threaded connection of pull rod has the nut, the top outer wall fixedly connected with hydro-cylinder cap of bottom plate.

Preferably, an auxiliary oil cylinder sealing seat is arranged between the outer wall of the auxiliary oil cylinder piston and the inner wall of the auxiliary oil cylinder head, and a main oil cylinder sealing seat is arranged between the outer wall of the main oil cylinder piston and the inner wall of the main oil cylinder head.

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

1. the main ejector rod and the auxiliary ejector rod can be driven to simultaneously press down through the main cylinder, so that the auxiliary cylinder piston fixedly mounted on the stand column and the main cylinder piston fixedly mounted on the main cylinder top plate can be simultaneously pressed down through the main top plate and the auxiliary top plate, after the target is pressed, the auxiliary cylinder can press down the stand column through the auxiliary ejector rod driven by the auxiliary cylinder, the auxiliary cylinder piston is fixedly connected with the stand column and is in sliding connection with the main cylinder piston, so that the auxiliary cylinder piston can stretch out from the main cylinder piston, secondary ejection of different pressures can be realized, and the auxiliary cylinder piston is particularly suitable for a complex mold structure of secondary mold splitting.

2. When the stand slides in ejecting support, slide spacing through last guide ring and lower guide ring, reduce the friction area, reduce frictional force.

Drawings

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

FIG. 2 is a schematic sectional view of the main body of the present invention;

fig. 3 is a schematic structural view of a in fig. 2 according to the present invention;

fig. 4 is a schematic view of the connection structure of the ejection bracket of the present invention;

fig. 5 is a schematic diagram of the structure of the pressure applying head of the present invention.

In the figure: 1. a main ejector rod; 2. an auxiliary ejector rod; 3. a base; 4. a main top plate; 5. a main push rod; 6. an auxiliary top plate; 7. an upper guide ring; 8. a column; 9. ejecting the bracket; 10. a lower guide ring; 11. a bolt; 12. fixing the beam; 13. a fastening screw; 14. a guide sleeve; 15. a pull rod; 16. a nut; 17. a base plate; 18. an auxiliary cylinder piston; 19. a master cylinder piston; 20. an oil cylinder cover; 21. a cylinder barrel; 22. a master cylinder head; 23. a main oil cylinder sealing seat; 24. a cylinder head of the auxiliary oil cylinder; 25. an auxiliary oil cylinder sealing seat; 26. and a top plate of the master cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a lower ejecting device of press, which comprises a base 3, the inner wall sliding connection of base 3 has auxiliary ejector pin 2, auxiliary ejector pin 2's bottom outer wall fixedly connected with assists roof 6, assist roof 6's bottom outer wall fixedly connected with stand 8, the bottom outer wall fixedly connected with auxiliary cylinder piston 18 of stand 8, base 3's inner wall sliding connection has main ejector pin 1, main ejector pin 1's bottom outer wall fixedly connected with main roof 4, main roof 4's bottom outer wall fixedly connected with main push rod 5, main push rod 5's bottom outer wall fixedly connected with main cylinder roof 26, main cylinder roof 26's bottom outer wall fixedly connected with auxiliary cylinder head 24, auxiliary cylinder head 24's bottom outer wall fixedly connected with main cylinder piston 19, main cylinder piston 19's outer wall fixedly connected with cylinder barrel 21, cylinder barrel 21's top outer wall fixedly connected with main cylinder head 22, main push rod 5's outer wall and auxiliary roof 6 and stand 8's inner wall sliding connection, auxiliary cylinder piston 18's outer wall and main cylinder piston 19's inner wall sliding connection.

In this embodiment, before starting up, the cylinder cover 20 is taken down first, the main cylinder can drive the main ejector rod 1 and the auxiliary ejector rod 2 to press down simultaneously, so that the auxiliary cylinder piston 18 fixedly mounted on the upright post 8 and the main cylinder piston 19 fixedly mounted on the main cylinder top plate 26 can be pressed down simultaneously through the main top plate 4 and the auxiliary top plate 6, after a target is pressed, the auxiliary cylinder can press down the upright post 8 through driving the auxiliary ejector rod 2 again, because the auxiliary cylinder piston 18 is fixedly connected with the upright post 8 and is in sliding connection with the main cylinder piston 19, the auxiliary cylinder piston 18 can extend out of the main cylinder piston 19, so that secondary ejection of different pressures can be realized, and the mold is particularly suitable for a complex mold structure of secondary mold division.

Specifically, the outer wall of the upright post 8 is slidably connected with an upper guide ring 7, the outer wall of the upright post 8 is slidably connected with a lower guide ring 10, and the outer walls of the upper guide ring 7 and the lower guide ring 10 are fixedly connected with an ejection support 9.

In this embodiment, when the upright post 8 slides in the ejecting support 9, the upper guide ring 7 and the lower guide ring 10 are used for sliding and limiting, so that the friction area is reduced, and the friction force is reduced.

Specifically, the outer wall of the bottom of the ejecting support 9 is fixedly connected with a fixed beam 12, the inner wall of the fixed beam 12 is fixedly connected with a bolt 11, and the outer wall of the bolt 11 is fixedly connected with the inner wall of the base 3.

In this embodiment, the fixing beam 12 can fix the base 3, thereby serving as a support for the base 3.

Specifically, the outer wall of the bottom of the ejection bracket 9 is fixedly connected with a guide sleeve 14, the inner wall of the ejection bracket 9 is fixedly connected with a fastening screw 13, the fastening screw 13 is used for fixing the ejection bracket 9 and the guide sleeve 14, and the guide sleeve 14 is installed at the top of the fixed beam 12.

In this embodiment, the guide sleeve 14 can be used to wrap and seal the portion of the upright post 8 at the bottom of the fixed beam 12.

Specifically, the inner wall of the fixed beam 12 is provided with a pull rod 15, a bottom plate 17 is arranged in the pull rod 15, the outer wall of the pull rod 15 is in threaded connection with a nut 16, and the top outer wall of the bottom plate 17 is fixedly connected with an oil cylinder cover 20.

In this embodiment, the auxiliary cylinder piston 18 can be protected by the cylinder head 20, and the cylinder head 20 can be removed by removing the bottom plate 17.

Specifically, an auxiliary cylinder sealing seat 25 is arranged between the outer wall of the auxiliary cylinder piston 18 and the inner wall of the auxiliary cylinder head 24, and a main cylinder sealing seat 23 is arranged between the outer wall of the main cylinder piston 19 and the inner wall of the main cylinder head 22.

In this embodiment, the auxiliary cylinder seal holder 25 and the main cylinder seal holder 23 can achieve the effect of sealing the piston.

The utility model discloses a theory of operation and use flow: before starting, the oil cylinder cover 20 is taken down, the main cylinder can drive the main ejector rod 1 and the auxiliary ejector rod 2 to simultaneously press down, so that the auxiliary cylinder piston 18 fixedly mounted on the upright post 8 and the main cylinder piston 19 fixedly mounted on the main cylinder top plate 26 can be simultaneously pressed down through the main top plate 4 and the auxiliary top plate 6, after a target is pressed, the auxiliary cylinder can drive the auxiliary ejector rod 2 to press down the upright post 8 again, the auxiliary cylinder piston 18 is fixedly connected with the upright post 8 and is in sliding connection with the main cylinder piston 19, the auxiliary cylinder piston 18 can extend out of the main cylinder piston 19, so that secondary ejection with different pressures can be realized, the oil cylinder cover is particularly suitable for a complex die structure of a secondary die, when the upright post 8 slides in the ejection bracket 9, the sliding limiting is realized through the upper guide ring 7 and the lower guide ring 10, the friction area is reduced, the friction force is reduced, the effect of fixing the base 3 can be realized through the fixed beam 12, the bracket of the base 3 is further realized, the bracket of the base plate of the oil cylinder can be wrapped and sealed by the oil cylinder 20, and the sealing effect of the auxiliary cylinder cover can be realized by the oil cylinder piston 20, and the sealing seat of the auxiliary cylinder piston 17 can be realized.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lower ejecting device of press, includes base (3), its characterized in that: the inner wall sliding connection of base (3) has supplementary ejector pin (2), the bottom outer wall fixedly connected with of supplementary ejector pin (2) assists roof (6), the bottom outer wall fixedly connected with stand (8) of assisting roof (6), the bottom outer wall fixedly connected with auxiliary cylinder piston (18) of stand (8), the inner wall sliding connection of base (3) has main ejector pin (1), the bottom outer wall fixedly connected with main roof (4) of main ejector pin (1), the bottom outer wall fixedly connected with main push rod (5) of main roof (4), the bottom outer wall fixedly connected with main cylinder roof (26) of main push rod (5), the bottom outer wall fixedly connected with auxiliary cylinder head (24) of main cylinder roof (26), the bottom outer wall fixedly connected with main cylinder piston (19) of auxiliary cylinder head (24), the outer wall fixedly connected with cylinder barrel (21) of main cylinder piston (19), the top outer wall fixedly connected with main cylinder head (22) of cylinder barrel (21), the outer wall of main push rod (5) and the inner wall sliding connection of supplementary roof (6) and stand (8), the inner wall sliding connection of auxiliary cylinder piston (18) is connected with the main cylinder piston (19) of auxiliary cylinder piston.

2. A lower ejection device of a press machine according to claim 1, characterized in that: the outer wall sliding connection of stand (8) has last guide ring (7), the outer wall sliding connection of stand (8) has down guide ring (10), go up guide ring (7) and the outer wall fixedly connected with ejection support (9) of guide ring (10) down.

3. A lower ejection device of a press machine according to claim 2, characterized in that: the bottom outer wall of the ejection support (9) is fixedly connected with a fixed beam (12), the inner wall of the fixed beam (12) is fixedly connected with a bolt (11), and the outer wall of the bolt (11) is fixedly connected with the inner wall of the base (3).

4. A lower ejection device of a press machine according to claim 2, characterized in that: the ejection mechanism is characterized in that a guide sleeve (14) is fixedly connected to the outer wall of the bottom of the ejection support (9), a fastening screw (13) is fixedly connected to the inner wall of the ejection support (9), the fastening screw (13) is used for fixing the ejection support (9) and the guide sleeve (14), and the guide sleeve (14) is installed at the top of the fixed beam (12).

5. A lower ejection device of a press machine according to claim 4, characterized in that: the inner wall of fixed beam (12) is provided with pull rod (15), be provided with bottom plate (17) in pull rod (15), the outer wall threaded connection of pull rod (15) has nut (16), the top outer wall fixedly connected with hydro-cylinder lid (20) of bottom plate (17).

6. A lower ejection device of a press machine according to claim 1, characterized in that: an auxiliary oil cylinder sealing seat (25) is arranged between the outer wall of the auxiliary oil cylinder piston (18) and the inner wall of the auxiliary oil cylinder head (24), and a main oil cylinder sealing seat (23) is arranged between the outer wall of the main oil cylinder piston (19) and the inner wall of the main oil cylinder head (22).