CN213436950U

CN213436950U - Simple and easy fetal membrane of axle type forging bending machine

Info

Publication number: CN213436950U
Application number: CN202021616642.1U
Authority: CN
Inventors: 郭长虹; 曹薇; 田新奇
Original assignee: MCC SFRE Heavy Industry Equipment Co Ltd
Current assignee: MCC SFRE Heavy Industry Equipment Co Ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-06-15
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a simple moulding bed for bending an axle type forge piece, which comprises a combined upper die and a combined lower die which are correspondingly arranged up and down, wherein the combined upper die has the structure that the structure comprises an upper die main body, the top of the upper die main body is connected with a pressing device, and a first stop block is respectively spot-welded on two sides of the lower part of the upper die main body; the structure of combination lower mould is, including the lower mould main part, lower mould main part upper portion is provided with the silo along length direction, and it has the constant head tank to open downwards in the silo middle section, and the bottom of constant head tank is slick and sly arc-shaped groove, and the arc-shaped groove is followed the outside respectively on both sides and is adjacent to be provided with a mounting groove, is provided with a dog two in the mounting groove on every one side. The utility model discloses a device, spot welding position and the size of cushion two through adjustment dog I satisfy the different axle class bending machine spare of cooking over a slow fire, have stronger commonality and economic nature.

Description

Simple and easy fetal membrane of axle type forging bending machine

Technical Field

The utility model belongs to the technical field of free forging equipment, a simple and easy fetal membrane of axle type forging bending machine is related to.

Background

During the free forging process, some shaft bending parts needing bending are often generated, and when the bending parts have strict requirements on dimensional tolerance and bending surfaces, the bending parts cannot be realized by the dislocation and torsion of free forging equipment and auxiliary tools thereof. The production of such bends in the free forging process under the conditions of the prior art is therefore accompanied by numerous reworking and scrap.

Therefore, a new simple combined tire membrane is urgently needed to be researched and developed, so that the shaft bending part with strict requirement on dimensional tolerance can be formed by bending the bending part through simpler operation, the bending success rate of the shaft forging is effectively improved, and the economic benefit is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple and easy fetal membrane of axle type forging bending machine has solved under the prior art condition, to the problem of the bent piece bending machine difficulty of axle type that dimensional tolerance required rigorously.

The technical proposal adopted by the utility model is that the simple moulding bed for bending the shaft forgings comprises a combined upper die and a combined lower die which are correspondingly arranged up and down,

the combined upper die structurally comprises an integrally processed upper die main body, wherein the top of the upper die main body is connected with a pressing device, and two sides of the lower part of the upper die main body are respectively provided with a first stop block in a spot welding manner;

the structure of combination lower mould is, including integrated casting shaping's lower mould main part, lower mould main part upper portion is provided with the silo along length direction, has opened the constant head tank downwards in the silo middle section, and the bottom of constant head tank is slick and sly arc-shaped groove, and the arc-shaped groove is followed the outside respectively on both sides and is adjacent to be provided with a mounting groove, is provided with a dog two in the mounting groove on every one side.

The simple mould for bending the shaft forgings is also characterized in that,

the size of a smooth curve formed by the outer end face of the stop block and the lower end face of the upper die main body is consistent with the size of the inner bending part of the corresponding shaft bending piece.

A cushion block is arranged between the two outer side surfaces of the stop block and the inner vertical wall of the mounting groove.

The joint of the upper part of the inner side inclined plane section of the second stop block and the upper plane is in arc transition.

The size of a smooth curve formed by the arc-shaped groove in the combined lower die and the inclined surface section of the second stop block is consistent with the size of the outer bending part of the corresponding shaft simmer bending piece.

The beneficial effects of the utility model are that, simple structure, convenient to use, and can be through the adjustment of dog one, dog two positions (the spot welding position of adjustment dog one, through the position of not unidimensional cushion adjustment dog two), realized that the axle class bending member to the different bending angle that dimensional tolerance requires strict is cooked over a slow fire and is taken shape, have better commonality to effectively promote axle class forging bending over a slow fire success rate, increase economic benefits.

Drawings

Fig. 1 is a front view of a shaft-like bent member to be processed by the present invention;

FIG. 2 is a front view of the upper mold assembly of the apparatus of the present invention;

fig. 3 is a left side view of the combined upper die in the apparatus of the present invention;

FIG. 4 is a front view of the combined lower mold of the apparatus of the present invention;

fig. 5 is a left side view of the combined lower die in the apparatus of the present invention;

FIG. 6 is a schematic view showing the mutual placement positions of the upper combined mold, the lower combined mold and the blank before bending by using the device of the present invention;

fig. 7 is a schematic structural diagram of the upper die, the lower die and the shaft bending part which are combined after the device of the utility model is used for bending.

In the figure, 1, a shaft bending part, 2, a combined upper die, 3, a combined lower die, 4, a blank, 5, a trough, 21, a first stop block, 22, an upper die main body, 31, a cushion block, 32, a second stop block and 33, a lower die main body.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings.

Referring to fig. 1, the present invention is a shaft bending part 1 (processing object) finished product structure to be forged by the apparatus of the present invention. This kind of structural shape's axle type bent 1 need adopt at the forging in-process the utility model discloses the device.

The structure of the utility model is that the combined upper die 2 (shown in figure 2 and figure 3) and the combined lower die 3 (shown in figure 4 and figure 5) are correspondingly arranged up and down.

Referring to fig. 2 and 3, the combined upper die 2 has a structure including an integrally processed upper die main body 22, the top of the upper die main body 22 is connected with a pressing device, two sides of the lower portion of the upper die main body 22 are respectively spot-welded with a first stop 21, and the spot welding position of the first stop 21 must ensure that the size of a smooth curve formed by the outer end face of the first stop 21 and the lower end face of the upper die main body 22 is consistent with the size of a corresponding inner bending portion of the shaft simmer bending piece 1.

Referring to fig. 4 and 5, the combined lower die 3 has a structure including a lower die main body 33 formed by integral casting, a trough 5 is arranged on the upper portion of the lower die main body 33 along the length direction, a positioning groove is formed downwards in the middle section of the trough 5, the positioning groove includes a bottom arc-shaped groove and mounting grooves on the upper portions of two sides, the bottom of the positioning groove is a smooth arc-shaped groove, the outer sides of two sides of the arc-shaped groove are respectively and closely provided with a mounting groove, a second stop block 32 is arranged in the mounting groove of each side, and a cushion block 31 is further arranged between the outer side surface of the second stop block 32 of each side; the joint of the upper part of the inner side inclined plane section of the second stop block 32 and the upper plane is in arc transition, so that the blank 4 is prevented from being damaged; the size of a smooth curve formed by the arc-shaped groove in the combined lower die 3 and the inclined surface section of the second stop block 32 is required to be consistent with the size of the outer bending part of the corresponding shaft simmer bending piece 1.

The working process of the utility model for bending the shaft bending part is that,

the upper combined die 2 is reliably connected with a pressing device, the lower combined die 3 is placed on a proper station right below the upper combined die 2, the bent part of the blank 4 corresponding to the shaft-type bent part 1 is locally heated, the blank 4 is placed on a trough 5 of the lower combined die 3 after being heated to 900 plus 950 ℃, the trough 5 of the lower combined die 3 reliably positions the blank 4, then the forging device is controlled to drive the upper combined die 2 to move downwards to press the blank 4, and the length center of the blank 4, the center of the upper combined die 2 and the center of the lower combined die 3 are kept consistent, as shown in FIG. 6; and then pressing downwards through a forging device, so that the blank 4 is completely simmered and bent into the shaft bending part 1, and the finished product is shown in figure 7.

Examples

Utilize the utility model discloses carry out bending over a slow fire of axle type bending member, concrete step is:

the preparation method comprises the following steps: adjusting the spot welding position of a first stop block 21 in the combined upper die 2 according to the sizes of the shaft bending pieces 1 with different specifications, and synchronously adjusting the size of a second stop block 32 in the combined lower die 3 to ensure that the angles of the inclined plane sections and the arc sections of the combined upper die 2, the combined lower die 3 and the shaft bending pieces 1 are consistent; the length of the blank 4 is 40-50mm longer than the single side of the shaft bending part 1 and is used as deviation allowance to be removed by subsequent processing.

Bending: heating the circular arc part of the blank 4 corresponding to the shaft bending part 1 to 950 ℃ through local heating, placing the blank 4 on the combined lower die 3 and positioning the blank through a trough 5, then moving the combined upper die 2 downwards and lightly pressing the blank 4, ensuring the length center of the blank 4, the center of the combined upper die 2 and the center of the combined lower die 3 to be consistent, and referring to fig. 6, then pressing the blank 4 downwards through forging equipment to simmerize and bend the blank 4 into the shaft bending part 1, referring to fig. 7.

The utility model has the advantages of simple structure, convenient to use, and through the adjustment of dog 21, two 32 positions of dog and size shape (adjusting the spot welding position of dog 21, through the position of two 32 of not unidimensional cushion 31 adjustment dog), realized the bending over a slow fire system of axle type bending 1 to the strict different bending over angles of dimensional tolerance requirement and formed, had better commonality to effectively promote axle type forging bending over a slow fire success rate, increase economic benefits.

Claims

1. A simple tire mold for bending a shaft forging is characterized by comprising an upper combined mold (2) and a lower combined mold (3) which are correspondingly arranged up and down,

the combined upper die (2) is structurally characterized by comprising an upper die main body (22), wherein the top of the upper die main body (22) is connected with a pressing device, and two sides of the lower part of the upper die main body (22) are respectively welded with a first stop block (21);

the structure of combination lower mould (3) is, including lower mould main part (33), lower mould main part (33) upper portion is provided with silo (5) along length direction, and it has the constant head tank to open downwards in silo (5) middle section, and the bottom of constant head tank is slick and sly arc-shaped groove, and the arc-shaped groove is followed the outside respectively on both sides and is closely provided with a mounting groove, is provided with a dog two (32) in the mounting groove on every side.

2. The simple membrane for simmering bending of shaft forgings as claimed in claim 1, wherein: the smooth curve size formed by the outer end face of the first stop block (21) and the lower end face of the upper die main body (22) is consistent with the size of the corresponding bending part in the shaft bending piece (1).

3. The simple membrane for simmering bending of shaft forgings as claimed in claim 1, wherein: and a cushion block (31) is also arranged between the outer side surface of the second stop block (32) and the inner vertical wall of the mounting groove.

4. The simple membrane for simmering bending of shaft forgings as claimed in claim 1, wherein: the joint of the upper part of the inner side inclined plane section of the second stop block (32) and the upper plane is in arc transition.

5. The simple membrane for simmering bending of shaft forgings as claimed in claim 1, wherein: the size of a smooth curve formed by the arc-shaped groove in the combined lower die (3) and the inclined surface section of the second stop block (32) is consistent with the size of the outer bending part of the corresponding shaft simmer bending piece (1).