CN213559698U

CN213559698U - Lower die of forging oil press base

Info

Publication number: CN213559698U
Application number: CN202022098804.3U
Authority: CN
Inventors: 李昌民
Original assignee: Jinan Laidena Shandong Machinery Co ltd
Current assignee: Jinan Laidena Shandong Machinery Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-29
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a forge hydraulic press base lower mould, including the bed die, the inside joint of bed die has the mold core, and the cell body has been seted up to the both sides of mold core, the first atress spring of inside wall fixedly connected with of cell body, the below fixedly connected with second atress spring of first atress spring, the one end fixedly connected with fixture block of first atress spring and second atress spring, the inside wall of bed die is provided with the draw-in groove, the interior diapire fixedly connected with atress piece of bed die, the top fixedly connected with buffer spring of atress piece. The utility model discloses a setting of first atress spring, second atress spring, fixture block and draw-in groove need all twist every screw off the problem that could change when having solved the change mold core, has improved work efficiency, has saved the labour, through the setting of atress piece, buffer spring and roof, has solved the problem that causes the damage easily at punching press forging in-process mold core, has improved the life of mold core, has saved economy.

Description

Lower die of forging oil press base

Technical Field

The utility model relates to a forge hydraulic press technical field, specifically be a forge hydraulic press base lower mould.

Background

The hydraulic press is a mechanical device which takes special hydraulic oil as a working medium and a hydraulic pump as a power source to push an oil cylinder to move so as to complete certain mechanical action, is forging equipment with large use amount and wide use range, and is a necessary procedure for replacing a matched die according to a forged workpiece in the forging process, and a die core is replaced when a lower die is replaced.

The existing mold core is often connected with the lower mold through a plurality of screws, each screw needs to be screwed off when the mold core is replaced, so that the replacement can be carried out, the work efficiency is reduced, a large amount of labor needs to be consumed, the existing lower mold does not have a buffering effect, the upper mold is directly stamped and forged on the lower mold, the mold core of the lower mold is easily damaged, and certain economy is wasted when the new mold core is replaced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forge the problem that proposes in order to solve above-mentioned background art of hydraulic press base lower mould.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a forge hydraulic press base lower mould, includes the bed die, the inside joint of bed die has the mold core, the cell body has been seted up to the both sides of mold core, the first atress spring of inside wall fixedly connected with of cell body, the below fixedly connected with second atress spring of first atress spring, the one end fixedly connected with fixture block of first atress spring and second atress spring, the inside wall of bed die is provided with the draw-in groove, the interior diapire fixedly connected with atress piece of bed die, the top fixedly connected with buffer spring of atress piece, buffer spring's top fixedly connected with roof.

Preferably, the number of the clamping grooves is two, and the diameter of the two clamping grooves is larger than that of the groove body.

Preferably, the inner side wall of the clamping groove is movably connected with a push plate, one side of the push plate is fixedly connected with a connecting rod, and one end of the connecting rod is fixedly connected with a push rod.

Preferably, the top of mold core is provided with the protection pad, the material of protection pad is rubber.

Preferably, the bottom of the two sides of the mold core is provided with a sliding groove, a sliding block is fixedly connected to the lower portion of the clamping groove, and the sliding block is connected with the sliding groove in a sliding mode.

Preferably, the number of the buffer springs is a plurality, and the plurality of the buffer springs are distributed at the bottom of the lower die at equal intervals.

Preferably, the inside of the buffer spring is fixedly connected with a damping column, the top of the damping column is fixedly connected with a supporting block, and the supporting block is fixedly connected with the top plate.

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

1. the utility model discloses a first atress spring, the second atress spring, the setting of fixture block and draw-in groove, when mold core card advances the bed die inside, exert decurrent power to the core, inside the fixture block atress entered the cell body through the shrink of first atress spring and second atress spring, when the fixture block removed the draw-in groove position, the power that the fixture block received disappeared, first atress spring and second atress spring reset the fixture block card inside the draw-in groove, the problem that need all twist off every screw and just can change when having solved the change mold core has improved work efficiency, the labour has been saved.

2. The utility model discloses a setting of atress piece, buffer spring and roof, when the mould carries out the punching press forging to the bed die, buffer spring and atress piece are sent to through the roof to the power that the mold core received, and the buffer spring shrink drives the mold core rebound and plays buffering cushioning effect to the mold core, has solved the problem that causes the damage easily at punching press forging in-process mold core, has improved the life of mold core, has saved economy.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

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

FIG. 3 is a schematic view of the cross-sectional structure of the mold core of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a lower die; 2. a mold core; 3. a trough body; 4. a first stressed spring; 5. a second stressed spring; 6. a clamping block; 7. a card slot; 8. a stress block; 9. a buffer spring; 10. a top plate; 11. pushing the plate; 12. a connecting rod; 13. a push rod; 14. a protection pad; 15. a chute; 16. a slider; 17. a shock-absorbing post; 18. and (7) a supporting block.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a lower die of a forging oil press base comprises a lower die 1, a die core 2 is clamped in the lower die 1, two sides of the die core 2 are provided with groove bodies 3, the inner side wall of each groove body 3 is fixedly connected with a first stress spring 4, a second stress spring 5 is fixedly connected below the first stress spring 4, one ends of the first stress spring 4 and the second stress spring 5 are fixedly connected with clamping blocks 6, the inner side wall of the lower die 1 is provided with clamping grooves 7, when the die core 2 is clamped in the lower die 1, downward force is exerted on the die core 2, the stress of the clamping blocks 6 enters the groove bodies 3 through the contraction of the first stress spring 4 and the second stress spring 5, when the clamping blocks 6 move to the positions of the clamping grooves 7, the force borne by the clamping blocks 6 disappears, the first stress spring 4 and the second stress spring 5 reset to clamp the clamping blocks 6 in the clamping grooves 7, and the inner bottom wall of the lower die 1 is fixedly connected with stress blocks 8, the top fixedly connected with buffer spring 9 of atress piece 8, buffer spring 9's top fixedly connected with roof 10, when the last mould carries out the punching press forging to bed die 1, buffer spring 9 and atress piece 8 are sent to through roof 10 to the power that mold core 2 received, and buffer spring 9 shrink drives mold core 2 and moves down and play buffering cushioning effect to mold core 2.

Further, the quantity of draw-in groove 7 is two, and the diameter of two draw-in grooves 7 is greater than the diameter of cell body 3, is greater than the setting of cell body 3 through draw-in groove 7, makes fixture block 6 can drive mold core 2 and reciprocate.

Further, the inside wall swing joint of draw-in groove 7 has push pedal 11, and one side fixedly connected with connecting rod 12 of push pedal 11, the one end fixedly connected with push rod 13 of connecting rod 12 exert force to push rod 13, and push rod 13 can drive push pedal 11 through connecting rod 12 and remove, inside release draw-in groove 7 to fixture block 6 in draw-in groove 7, make things convenient for the dismantlement of mold core 2 to change.

Further, the top of mold core 2 is provided with protection pad 14, and the material of protection pad 14 is rubber, through the setting of protection pad 14, can prevent that the mould from directly contacting with mold core 2 in the punching press forging process, causing the damage to mold core 2.

Furthermore, the bottom of the two sides of the mold core 2 is provided with a sliding groove 15, a sliding block 16 is fixedly connected below the clamping groove 7, the sliding block 16 is in sliding connection with the sliding groove 15, and the mold core 2 can move up and down in the lower mold 1 through the sliding connection of the sliding block 16 and the sliding groove 15.

Further, buffer spring 9's quantity is a plurality of, and a plurality of buffer spring 9 has further strengthened the buffering effect of bed die 1 through a plurality of buffer spring 9's setting in the equidistant distribution in 1 bottom of bed die.

Further, the inside fixedly connected with shock attenuation post 17 of buffer spring 9, the top fixedly connected with supporting shoe 18 of shock attenuation post 17, supporting shoe 18 and roof 10 fixed connection, through the setting of shock attenuation post 17 and supporting shoe 18, keep steadily when making buffer spring 9 cushion mold core 2.

The working principle is as follows: when the mold core 2 is clamped into the lower mold 1, downward force is applied to the mold core 2, the stress of the fixture block 6 enters the groove body 3 through the contraction of the first stress spring 4 and the second stress spring 5, when the fixture block 6 moves to the position of the clamping groove 7, the force received by the fixture block 6 disappears, the first stress spring 4 and the second stress spring 5 reset to clamp the fixture block 6 in the clamping groove 7, when the upper mold performs stamping forging on the lower mold 1, the force received by the mold core 2 is transmitted to the buffer spring 9 and the stress block 8 through the top plate 10, the buffer spring 9 contracts to drive the mold core 2 to move downwards to play a role in buffering and damping effects on the mold core 2, the problem that the mold core 2 is easily damaged in the stamping forging process is solved, the service life of the mold core 2 is prolonged, and economy is saved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a forge hydraulic press base lower mould, includes bed die (1), its characterized in that: the inside joint of bed die (1) has mold core (2), cell body (3) have been seted up to the both sides of mold core (2), the first atress spring (4) of inside wall fixedly connected with of cell body (3), the below fixedly connected with second atress spring (5) of first atress spring (4), the one end fixedly connected with fixture block (6) of first atress spring (4) and second atress spring (5), the inside wall of bed die (1) is provided with draw-in groove (7), the interior diapire fixedly connected with atress piece (8) of bed die (1), the top fixedly connected with buffer spring (9) of atress piece (8), the top fixedly connected with roof (10) of buffer spring (9).

2. The forging oil press base lower die as set forth in claim 1, wherein: the number of the clamping grooves (7) is two, and the diameter of the two clamping grooves (7) is larger than that of the groove body (3).

3. The forging oil press base lower die as set forth in claim 2, wherein: the inside wall swing joint of draw-in groove (7) has push pedal (11), one side fixedly connected with connecting rod (12) of push pedal (11), the one end fixedly connected with push rod (13) of connecting rod (12).

4. The forging oil press base lower die as set forth in claim 1, wherein: the top of mold core (2) is provided with protection pad (14), the material of protection pad (14) is rubber.

5. The forging oil press base lower die as set forth in claim 1, wherein: the bottom of mold core (2) both sides has seted up spout (15), below fixedly connected with slider (16) of draw-in groove (7), slider (16) and spout (15) sliding connection.

6. The forging oil press base lower die as set forth in claim 1, wherein: the number of the buffer springs (9) is a plurality, and the buffer springs (9) are distributed at the bottom of the lower die (1) at equal intervals.

7. The forging oil press base lower die as set forth in claim 1, wherein: the damping device is characterized in that a damping column (17) is fixedly connected to the inside of the buffer spring (9), a supporting block (18) is fixedly connected to the top of the damping column (17), and the supporting block (18) is fixedly connected with the top plate (10).