CN211888888U

CN211888888U - Brake disc forming die

Info

Publication number: CN211888888U
Application number: CN202020532025.7U
Authority: CN
Inventors: 石文炳
Original assignee: Zhangzhou Flying Machinery Manufacturing Co ltd
Current assignee: Zhangzhou Flying Machinery Manufacturing Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-10
Anticipated expiration: 2030-04-13

Abstract

The utility model belongs to the technical field of moulds, in particular to a brake disc forming mould, aiming at the problem that the formed workpiece is inconvenient to demould and is easy to be blocked in the mould when the existing brake disc forming mould is used, the utility model provides a scheme which comprises a lower mould, a first mould cavity is arranged at the top of the lower mould, a second mould cavity is arranged on the inner wall of the bottom of the first mould cavity, an upper mould is arranged at the top of the lower mould, a base is arranged below the lower mould, a plurality of ejector rods are fixedly arranged at the top of the base, a plurality of slide holes communicated with the first mould cavity are arranged at the bottom of the lower mould, the outer sides of the plurality of ejector rods are respectively in slide connection with the side walls of the plurality of slide holes, a first spring is sleeved at the outer side of the plurality of ejector rods, one end of the first spring is fixedly connected with the bottom of the lower mould, the other end of the first spring is fixedly connected with, simple structure and convenient use.

Description

Brake disc forming die

Technical Field

The utility model relates to the technical field of mold, especially, relate to a brake disc forming die.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, and the mould is required to be used for forming when the brake disc is produced.

Through searching, publication No.: CN209318721U patent document discloses a brake disc forming mold, which comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold body which is integrally in a disc shape, the end surface part of the upper mold body is recessed inwards to form a first concave cavity, the middle part of the first concave cavity is recessed inwards to form a second concave cavity, the central line of the first concave cavity and the central line of the second concave cavity are on the same straight line, at least three elongated protrusions extending along the radial direction of the upper mold body are distributed at the bottom of the first concave cavity along the circumferential direction, and the distance between two adjacent elongated protrusions is the same; the lower die comprises a disc-shaped lower die body, the outer diameter of the lower die body is the same as that of the upper die body, and the upper die is buckled on the lower die to form a brake disc forming cavity between the first concave cavity and the second concave cavity.

However, when the brake disc forming mold is used, demolding of a formed workpiece is inconvenient, and the workpiece is easily clamped in the mold.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving brake disc forming die when using, be not convenient for carry out the drawing of patterns to fashioned work piece, the easy shortcoming of card in the mould of work piece, and a brake disc forming die who provides.

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

the utility model provides a brake disc forming die, includes the lower mould, first die cavity has been seted up at the top of lower mould, has seted up the second die cavity on the bottom inner wall of first die cavity, and the mould is installed at the top of lower mould, the below of lower mould is equipped with the base, and the top fixed mounting of base has a plurality of ejector pins, a plurality of slide openings that are linked together with first die cavity are seted up to the bottom of lower mould, the outside of a plurality of ejector pins respectively with the lateral wall sliding connection of a plurality of slide openings, the outside of a plurality of ejector pins all overlaps and is equipped with first spring, the one end of first spring and the bottom fixed connection of lower mould, the other end of first spring and the top fixed connection of base, the bottom sliding mounting of lower mould has two backup pads, and the bottom of two backup pads all contacts with.

Preferably, two rectangular channels have been seted up to the bottom of lower mould, the outside of two backup pads respectively with the lateral wall sliding connection of two rectangular channels, the equal fixed mounting in one side that two backup pads kept away from each other has L shape arm-tie, the connecting hole has all been seted up to the both sides of lower mould, the outside of two L shape arm-ties respectively with the inner wall sliding connection of two connecting holes.

Preferably, the equal fixed mounting in both sides of lower mould has the clamp plate, and the spout has all been seted up to the bottom of two clamp plates, and equal fixed mounting has the horizontal pole in two spouts, two L shape arm-tie respectively with two horizontal pole sliding connection, the equal fixed mounting in one side that two L shape arm-ties kept away from each other has the U-shaped piece.

Preferably, both sides of the lower die are fixedly provided with one ends of the second springs, and the other ends of the two second springs are fixedly connected with the two L-shaped pulling plates respectively.

Preferably, a plurality of positioning blocks are fixedly mounted at the top of the lower die, a plurality of positioning grooves are formed in the bottom of the upper die, and the positioning blocks are clamped with the positioning grooves.

Compared with the prior art, the utility model has the advantages of:

(1) when the scheme needs demoulding, the upper mould is opened, then two palms are pressed on the tops of the two pressing plates, fingers of the two hands pull the two U-shaped blocks to be away from each other, so that the two supporting plates are aligned with the two jacks, then the two pressing plates are pressed downwards with force, the two pressing plates drive the lower die to move downwards, the two supporting plates are inserted into the two inserting holes at the moment, the plurality of first springs contract, the workpiece is ejected by a plurality of ejector rods, demoulding is convenient, the press plate is loosened after demoulding, the plurality of first springs are reset to enable the lower die to move upwards, the two support plates are separated from the two jacks, the two second springs are reset, thereby enabling the two supporting plates to approach each other, enabling the bottoms of the two supporting plates to contact with the top of the base, preventing the lower die from moving downwards, further preventing the lower die from moving downwards when the workpiece is not formed, so that the ejector rod is inserted into the first die cavity to influence the forming of the workpiece;

(2) the utility model discloses be convenient for carry out quick drawing of patterns to the work piece, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural view of a brake disc forming mold provided by the present invention;

fig. 2 is a schematic structural view of a part a of a brake disc forming mold provided by the present invention;

fig. 3 is the utility model provides a three-dimensional structure schematic diagram that brake disc forming die's base and backup pad are connected.

In the figure: the device comprises a lower die 1, an upper die 2, a first die cavity 3, a second die cavity 4, a sliding hole 5, a base 6, a mandril 7, a first spring 8, a jack 9, a rectangular groove 10, a support plate 11, a press plate 12, a pull plate 13L, a second spring 14 and a U-shaped block 15.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-3, a brake disc forming die, including lower mould 1, first die cavity 3 has been seted up at the top of lower mould 1, second die cavity 4 has been seted up on the bottom inner wall of first die cavity 3, last mould 2 is installed at the top of lower mould 1, the below of lower mould 1 is equipped with base 6, the top fixed mounting of base 6 has a plurality of ejector pins 7, a plurality of slide openings 5 that are linked together with first die cavity 3 have been seted up to the bottom of lower mould 1, the outside of a plurality of ejector pins 7 respectively with the lateral wall sliding connection of a plurality of slide openings 5, the outside of a plurality of ejector pins 7 all is equipped with first spring 8, the one end of first spring 8 and the bottom fixed connection of lower mould 1, the other end of first spring 8 and the top fixed connection of base 6, the bottom sliding mounting of lower mould 1 has two backup pads 11, the bottom of two backup pads 11 all contacts with the top of base 6.

In this embodiment, two rectangular channels 10 have been seted up to the bottom of lower mould 1, the outside of two backup pads 11 respectively with the lateral wall sliding connection of two rectangular channels 10, the equal fixed mounting in one side that two backup pads 11 kept away from each other has L shape arm-tie 13, the connecting hole has all been seted up to the both sides of lower mould 1, the outside of two L shape arm-ties 13 respectively with the inner wall sliding connection of two connecting holes, can stimulate two backup pads 11 horizontal migration through two L shape arm-ties 13.

In this embodiment, the equal fixed mounting in both sides of lower mould 1 has clamp plate 12, and the spout has all been seted up to the bottom of two clamp plates 12, and equal fixed mounting has the horizontal pole in two spouts, two L shape arm-tie 13 respectively with two horizontal pole sliding connection, the equal fixed mounting in one side that two L shape arm-ties 13 kept away from each other has U-shaped piece 15, the setting of horizontal pole increases the stability of L shape arm-tie 13.

In this embodiment, the two sides of the lower die 1 are fixedly provided with one ends of the second springs 14, the other ends of the two second springs 14 are fixedly connected with the two L-shaped pulling plates 13, and the second springs 14 limit and reset the L-shaped pulling plates 13.

In this embodiment, the top fixed mounting of lower mould 1 has a plurality of locating pieces, and a plurality of constant head tanks have been seted up to the bottom of going up mould 2, and the locating piece clamps with the constant head tank mutually, and the setting up of locating piece constant head tank is convenient to fix a position last mould 2.

Example two

Referring to fig. 1-3, a brake disc forming die, including lower mould 1, first die cavity 3 has been seted up at the top of lower mould 1, second die cavity 4 has been seted up on the bottom inner wall of first die cavity 3, last mould 2 is installed at the top of lower mould 1, the below of lower mould 1 is equipped with base 6, there are a plurality of ejector pins 7 at the top of base 6 through bolt fixed mounting, a plurality of slide opening 5 that are linked together with first die cavity 3 have been seted up to the bottom of lower mould 1, the outside of a plurality of ejector pins 7 respectively with the lateral wall sliding connection of a plurality of slide opening 5, the outside of a plurality of ejector pins 7 all is equipped with first spring 8, the one end of first spring 8 and the bottom fixed connection of lower mould 1, the other end of first spring 8 and the top fixed connection of base 6, the bottom sliding mounting of lower mould 1 has two backup pads 11, the bottom of two backup pads 11 all contacts with the top of base.

In this embodiment, two rectangular channels 10 have been seted up to the bottom of lower mould 1, the outside of two backup pads 11 respectively with the lateral wall sliding connection of two rectangular channels 10, one side that two backup pads 11 kept away from each other all has L shape arm-tie 13 through bolt fixed mounting, the connecting hole has all been seted up to the both sides of lower mould 1, the outside of two L shape arm-ties 13 respectively with the inner wall sliding connection of two connecting holes, can stimulate two backup pads 11 horizontal migration through two L shape arm-ties 13.

In this embodiment, all there is clamp plate 12 in the both sides of lower mould 1 through bolt fixed mounting, and the spout has all been seted up to the bottom of two clamp plates 12, all has the horizontal pole through bolt fixed mounting in two spouts, two L shape arm-tie 13 respectively with two horizontal pole sliding connection, and one side that two L shape arm-ties 13 kept away from each other all has U-shaped piece 15 through bolt fixed mounting, and the setting of horizontal pole increases the stability of L shape arm-tie 13.

In this embodiment, both sides of the lower die 1 are fixedly provided with one end of a second spring 14 through a bolt, the other ends of the two second springs 14 are respectively fixedly connected with the two L-shaped pulling plates 13, and the second springs 14 limit and reset the L-shaped pulling plates 13.

In this embodiment, there are a plurality of locating pieces at the top of lower mould 1 through bolt fixed mounting, and a plurality of constant head tanks have been seted up to the bottom of going up mould 2, and the locating piece clamps with the constant head tank mutually, and the setting up of locating piece constant head tank is convenient to fix a position last mould 2.

In the embodiment, when the device is used, a mold material is poured into a lower mold 1, then an upper mold 2 is covered to mold the mold material, when demolding is needed, the upper mold 2 is opened, then two palms are pressed on the tops of two pressing plates 12, fingers of two hands pull two U-shaped blocks 15 to be away from each other, two L-shaped pulling plates 13 are pulled to be away from each other through the two U-shaped blocks 15, the two L-shaped pulling plates 13 stretch two second springs 14 and drive two supporting plates 11 to be away from each other, the two supporting plates 11 are aligned with two jacks 9, then the two pressing plates 12 are pressed downwards with force, the two pressing plates 12 drive the lower mold 1 to move downwards, the two supporting plates 11 are inserted into the two jacks 9 at the moment, a plurality of first springs 8 contract, then a workpiece is ejected out through a plurality of ejector rods 7 to facilitate demolding, the pressing plates 12 are loosened after demolding is finished, the plurality of first springs, two backup pads 11 break away from two jacks 9, and two second springs 14 reset this moment, and then make two backup pads 11 be close to each other, make the bottom of two backup pads 11 and the top contact of base 6, make lower mould 1 can not the downstream, and then prevent that lower mould 1 from moving down when the work piece is not moulded, cause ejector pin 7 to insert and influence the work piece shaping in first die cavity 3.

The above descriptions are only preferred embodiments 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 scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A brake disc forming die comprises a lower die (1) and is characterized in that a first die cavity (3) is formed in the top of the lower die (1), a second die cavity (4) is formed in the inner wall of the bottom of the first die cavity (3), an upper die (2) is installed at the top of the lower die (1), a base (6) is arranged below the lower die (1), a plurality of ejector rods (7) are fixedly installed at the top of the base (6), a plurality of sliding holes (5) communicated with the first die cavity (3) are formed in the bottom of the lower die (1), the outer sides of the ejector rods (7) are respectively in sliding connection with the side walls of the sliding holes (5), first springs (8) are sleeved on the outer sides of the ejector rods (7), one ends of the first springs (8) are fixedly connected with the bottom of the lower die (1), and the other ends of the first springs (8) are fixedly connected with the top of the base (6), the bottom slidable mounting of lower mould (1) has two backup pads (11), and the bottom of two backup pads (11) all contacts with the top of base (6), has seted up two jack (9) on base (6).

2. The brake disc forming die of claim 1, wherein the bottom of the lower die (1) is provided with two rectangular grooves (10), the outer sides of the two support plates (11) are respectively connected with the side walls of the two rectangular grooves (10) in a sliding manner, the sides of the two support plates (11) away from each other are respectively fixedly provided with an L-shaped pull plate (13), the two sides of the lower die (1) are respectively provided with a connecting hole, and the outer sides of the two L-shaped pull plates (13) are respectively connected with the inner walls of the two connecting holes in a sliding manner.

3. The brake disc forming die according to claim 1, wherein pressing plates (12) are fixedly mounted on two sides of the lower die (1), sliding grooves are formed in bottoms of the two pressing plates (12), cross bars are fixedly mounted in the two sliding grooves, the two L-shaped pulling plates (13) are respectively connected with the two cross bars in a sliding manner, and U-shaped blocks (15) are fixedly mounted on the sides, away from each other, of the two L-shaped pulling plates (13).

4. The brake disc forming die of claim 1, wherein one end of each second spring (14) is fixedly mounted on each of two sides of the lower die (1), and the other ends of the two second springs (14) are respectively and fixedly connected with the two L-shaped pulling plates (13).

5. The brake disc forming die of claim 1, wherein a plurality of positioning blocks are fixedly mounted at the top of the lower die (1), a plurality of positioning grooves are formed at the bottom of the upper die (2), and the positioning blocks are clamped with the positioning grooves.