CN218656661U

CN218656661U - Crankshaft crank upsetting forging die

Info

Publication number: CN218656661U
Application number: CN202223278059.6U
Authority: CN
Inventors: 王跃; 王彬
Original assignee: Chongqing Qianfeng Forging Co ltd
Current assignee: Chongqing Qianfeng Forging Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-03-21
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a bent axle crank upset forging mould, the on-line screen storage device comprises a base, the last fixed surface of base is connected with the bed die, the top of bed die is provided with the mould, the shaping chamber has all been seted up with the upper surface of bed die to the lower surface of going up the mould, the standing groove has been seted up to the interior bottom in shaping chamber and the inside that is located the bed die, the inside of standing groove is provided with demoulding mechanism, demoulding mechanism includes air pump, gas-supply pipe, places chamber, backup pad, piston, spring and dead lever, place the inside that the chamber was seted up at the bed die, dead lever fixed connection is at the lower surface of backup pad, air pump fixed connection is at the upper surface of base, piston fixed connection is on the surface of dead lever. The utility model discloses, through setting up demoulding mechanism, can carry out automatic drawing of patterns to the bent axle crank throw that the upset was accomplished effectively, need not use the arm to carry out the brute force drawing of patterns, prevent effectively that the part from slipping from the arm and leading to the part impaired.

Description

Crankshaft crank upsetting forging die

Technical Field

The utility model relates to a bent axle crank throw field especially relates to a bent axle crank throw upsetting die utensil.

Background

The crank throw consists of a plurality of crank throws, and the crank throws are commonly used in the production and processing of the crank throws and are processed by utilizing the elastic deformation of a workpiece, and an upsetting die is required by using the upsetting process.

At present, after a part is processed by using an upsetting process in upsetting, a mechanical arm is required to take the part out of an upsetting die, the upsetting die cannot automatically demold, a mechanical claw is required to apply a large force to take out a crankshaft crank throw after upsetting from a die, and the part is easy to slip from the rear mechanical arm in the process, so that the part is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a crankshaft crank upsetting forging die.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a bent axle crank upset forging mould, includes the base, the last fixed surface of base is connected with the bed die, the top of bed die is provided with the mould, the die cavity has all been seted up with the upper surface of bed die to the lower surface of going up the mould, the standing groove has been seted up to the interior bottom of die cavity and the inside that is located the bed die, the inside of standing groove is provided with demoulding mechanism, demoulding mechanism includes air pump, gas-supply pipe, places chamber, backup pad, piston, spring and dead lever, place the inside that the chamber was seted up at the bed die, dead lever fixed connection is at the lower surface of backup pad, air pump fixed connection is at the upper surface of base, piston fixed connection is on the surface of dead lever, spring fixed connection is at the upper surface of piston.

As a further description of the above technical solution:

the lower surface that the dead lever kept away from the backup pad extends to the inside of placing the chamber, the top of spring with place the interior top fixed connection in chamber, the position of dead lever is located the inboard of spring.

As a further description of the above technical solution:

the output that the air pump was kept away from to the gas-supply pipe extends to the inside of bed die and extends to the inside of placing the chamber, the piston belongs to sealing contact with the inboard surface of placing the chamber, the position of air pump is located the right side of bed die.

As a further description of the above technical solution:

the surface fixed connection of gas-supply pipe has disappointing pipe, disappointing pipe's position is located the right side of bed die, disappointing pipe is linked together with the inside of gas-supply pipe, disappointing pipe's surface fixed connection has the stop valve.

As a further description of the above technical solution:

the interior bottom fixedly connected with supporting shoe of standing groove, the upper surface of supporting shoe contacts with the lower surface of backup pad, the quantity of supporting shoe is a plurality of.

As a further description of the above technical solution:

the utility model discloses a mould, including base, side edge, roof, the upper surface of base and be close to the equal fixedly connected with riser of front and back side edge, the top fixedly connected with roof of riser, the lower surface of roof and be close to the equal fixedly connected with hydraulic stem of front and back side, the expansion end of hydraulic stem and the last fixed surface of last mould are connected.

As a further description of the above technical solution:

the placing cavity is arranged in a bilateral symmetry mode, and the overall shape of the placing cavity is cylindrical.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the crankshaft crank throw upsetting die has the advantages that the demoulding mechanism is arranged, so that the upset crankshaft crank throw can be automatically demoulded effectively, a mechanical arm is not required to be used for brute force demoulding, and the part is effectively prevented from being damaged due to the fact that the part slips from the mechanical arm.

2. Compared with the prior art, this bent axle crank upset forging die is through setting up the supporting shoe for the convenience carries out the location support to the backup pad for the precision of part bottom is guaranteed effectively to backup pad upper surface and the interior bottom parallel and level of standing groove.

Drawings

Fig. 1 is a perspective view of an external structure of a crankshaft crank upsetting die provided by the present invention;

fig. 2 is an elevation view of the inner structure of a crankshaft bell crank upsetting forging die provided by the present invention;

fig. 3 is an elevation view of the external structure of a crankshaft bell crank upsetting die provided by the present invention;

fig. 4 is an enlarged view of a in fig. 2 according to the present invention;

fig. 5 is an enlarged view of B in fig. 2 according to the present invention.

Illustration of the drawings:

1. a base; 2. a vertical plate; 3. a top plate; 4. a hydraulic lever; 5. a lower die; 6. an upper die; 7. a molding cavity; 8. an air pump; 9. a placement chamber; 10. a support plate; 11. a placement groove; 12. a support block; 13. fixing the rod; 15. a spring; 16. a piston; 17. a gas delivery pipe; 18. an air escape pipe; 19. and a stop valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 utility model provides a pair of bent axle crank upset forging mould: including base 1, base 1's last fixed surface is connected with bed die 5, the top of bed die 5 is provided with mould 6, go up the lower surface of mould 6 and the upper surface of bed die 5 and all seted up into die cavity 7, die cavity 7's interior bottom and the inside that is located bed die 5 have seted up standing groove 11, the inside of standing groove 11 is provided with demoulding mechanism, demoulding mechanism includes air pump 8, gas-supply pipe 17, place chamber 9, backup pad 10, piston 16, spring 15 and dead lever 13, place the inside that chamber 9 was seted up at bed die 5, dead lever 13 fixed connection is at the lower surface of

backup pad

10, 8 fixed connection of air pump at the upper surface of base 1, piston 16 fixed connection is on the surface of dead lever 13, spring 15 fixed connection is at the upper surface of piston 16, the lower surface that dead lever 13 kept away from backup pad 10 extends to the inside of placing chamber 9, the top of spring 15 and the interior top fixed connection of placing chamber 9, the position of dead lever 13 is located the inboard of spring 15, it sets up for bilateral symmetry to place chamber 9, the whole shape of placing chamber 9 is cylindrical, demoulding mechanism can make the upset back throw rapidly through the demoulding mechanism that sets up.

The output that air supply pipe 17 kept away from air pump 8 extends to the inside of bed die 5 and extends to the inside of placing chamber 9, and piston 16 belongs to sealing contact with the inboard surface of placing chamber 9, and the position of air pump 8 is located the right side of bed die 5, through setting up piston 16 and the inboard surface sealing contact who places chamber 9, can improve the efficiency that piston 16 removed effectively.

The fixed surface of gas-supply pipe 17 is connected with disappointing pipe 18, and the position of disappointing pipe 18 is located the right side of lower mould 5, and disappointing pipe 18 is linked together with the inside of gas-supply pipe 17, and the fixed surface of disappointing pipe 18 is connected with stop valve 19, through setting up disappointing pipe 18 and stop valve 19, can promote piston 16 effectively through spring 15 and reset the air escape who will place in the chamber 9.

The interior bottom fixedly connected with supporting shoe 12 of standing groove 11, the upper surface of supporting shoe 12 contacts with the lower surface of backup pad 10, and the quantity of supporting shoe 12 is a plurality of, is the effect of convenient location support through setting up supporting shoe 12.

The upper surface of base 1 just is close to the equal fixedly connected with riser 2 of front and back side edge, the top fixedly connected with roof 3 of riser 2, the lower surface of roof 3 just is close to the equal fixedly connected with hydraulic stem 4 of front and back side, and the expansion end of hydraulic stem 4 is connected with the last fixed surface of last mould 6, is the effect that moulds 6 reciprocated in the convenient drive through setting up hydraulic stem 4.

The working principle is as follows: during the use, the inside of shaping chamber 7 is put through using the gripper with the part blank that needs the upset, extend through controlling hydraulic stem 4 after that, thereby it pushes down to drive mould 6, thereby carry out the upset to the blank, after the upset is accomplished, hydraulic stem 4 drives mould 6 and rises, at this moment, carry out the air feed through using air pump 8, carry the inside of placing chamber 9 through gas-supply pipe 17 again, promote piston 16 and drive dead lever 13 and backup pad 10 and move upwards, throw after the upset is ejecting from the shaping chamber 7 of bed die 5, thereby accomplish the action of drawing of patterns, then air pump 8 stop work, and through opening stop valve 19, the spring 15 that oppresses at this moment resets and promotes piston 16 and drive dead lever 13 and backup pad 10 and move downwards, will place the gas in the chamber 9 and discharge from gas escape pipe 18, so that carry out the drawing of patterns operation next time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a bent axle crank upset forging mould, includes base (1), its characterized in that: the upper surface fixed connection of base (1) has bed die (5), the top of bed die (5) is provided with mould (6), the lower surface of going up mould (6) has all seted up into die cavity (7) with the upper surface of bed die (5), standing groove (11) have been seted up to the interior bottom of die cavity (7) and the inside that is located bed die (5), the inside of standing groove (11) is provided with demoulding mechanism, demoulding mechanism includes air pump (8), gas-supply pipe (17), places chamber (9), backup pad (10), piston (16), spring (15) and dead lever (13), place the inside of offering at bed die (5) in chamber (9), dead lever (13) fixed connection is at the lower surface of backup pad (10), air pump (8) fixed connection is at the upper surface of base (1), piston (16) fixed connection is on the surface of dead lever (13), spring (15) fixed connection is at the upper surface of piston (16).

2. A crankshaft bell crank upsetting die as claimed in claim 1, wherein: the lower surface that the backup pad (10) was kept away from in dead lever (13) extends to the inside of placing chamber (9), the top of spring (15) with place the interior top fixed connection in chamber (9), the position of dead lever (13) is located the inboard of spring (15).

3. A crankshaft bell crank upsetting die as claimed in claim 1, wherein: the output that air pump (8) were kept away from in air-supply pipe (17) extends to the inside of bed die (5) and extends to the inside of placing chamber (9), piston (16) belong to sealing contact with the inboard surface of placing chamber (9), the position of air pump (8) is located the right side of bed die (5).

4. A crankshaft bell crank upsetting die as claimed in claim 1, wherein: the fixed surface of air-supply pipe (17) is connected with disappointing pipe (18), the position of disappointing pipe (18) is located the right side of bed die (5), disappointing pipe (18) is linked together with the inside of air-supply pipe (17), the fixed surface of disappointing pipe (18) is connected with stop valve (19).

5. A crankshaft bell crank upsetting die as claimed in claim 4, wherein: the inner bottom of the placing groove (11) is fixedly connected with supporting blocks (12), the upper surfaces of the supporting blocks (12) are in contact with the lower surface of the supporting plate (10), and the supporting blocks (12) are multiple in number.

6. A crankshaft bell crank upsetting die as claimed in claim 4, wherein: the upper surface of base (1) just is close to the equal fixedly connected with riser (2) of front and back side edge, the top fixedly connected with roof (3) of riser (2), the lower surface of roof (3) just is close to the equal fixedly connected with hydraulic stem (4) of front and back side, the expansion end of hydraulic stem (4) is connected with the last fixed surface of last mould (6).

7. A crankshaft bell crank upsetting die as claimed in claim 1, wherein: the placing cavity (9) is arranged in a bilateral symmetry mode, and the overall shape of the placing cavity (9) is cylindrical.