CN211161726U

CN211161726U - Steel ball cold heading forming die

Info

Publication number: CN211161726U
Application number: CN201921808694.6U
Authority: CN
Inventors: 汪卫东
Original assignee: Maanshan Zhongma Metal Material Co ltd
Current assignee: Maanshan Zhongma Metal Material Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-04
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a steel ball cold-heading forming die, mould and cold-heading lower mould including the cold-heading, the cold-heading lower mould is installed on the base, the mould is installed on the upper bracket on the cold-heading, install the support column between upper bracket and the base, the mould includes the mould shell on the cold-heading, it has hemisphere die cavity on the die cavity to go up the mould shell inner chamber and open, the cold-heading lower mould includes the lower mould shell, lower mould shell inner chamber is opened there is hemisphere die cavity down, it passes through screw fixed mounting upper fixed plate to go up the mould shell up end, install first flexible hydro-cylinder between upper fixed plate and the upper bracket, the terminal surface passes through screw fixed mounting lower fixed plate under the lower mould shell, the flexible hydro-cylinder of installation second between lower fixed plate and the base, the utility model discloses simple structure, convenient operation, stability is.

Description

Steel ball cold heading forming die

Technical Field

The utility model relates to a steel ball forming die technical field specifically is a steel ball cold-heading forming die.

Background

The cold heading die is a die for cutting, preforming, and forming a blank into a cold-formed article by a cold heading machine. The existing cold heading forming die has single structure function, is easy to deform after being used for a long time, and has short service life, so the cold heading forming die needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel ball cold-heading forming die to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steel ball cold-heading forming die, includes mould and cold-heading lower mould in the cold-heading, the cold-heading lower mould is installed on the base, the mould is installed on the upper bracket in the cold-heading, install the support column between upper bracket and the base, the mould includes the upper die shell in the cold-heading, the upper die shell inner chamber is opened there is hemisphere die cavity on the upper die, the cold-heading lower mould includes the lower mould shell, the lower mould shell inner chamber is opened there is hemisphere die cavity down, the upper die shell up end passes through screw fixed mounting upper fixed plate, install first flexible hydro-cylinder between upper fixed plate and the upper bracket, the lower die shell down end passes through screw fixed mounting lower fixed plate, install the flexible hydro-cylinder of second between lower fixed plate and the base.

Preferably, the two side faces of the upper die shell are outwards and vertically provided with upper baffles, the two side faces of the lower die shell are outwards and vertically provided with lower baffles, guide posts are fixedly arranged between the upper baffles and the lower baffles, and damping springs are sleeved outside the guide posts.

Preferably, the upper die shell and the lower die shell are respectively provided with a fixing part at two ends, the fixing parts are of U-shaped structures and comprise a left side plate, a right side plate and a bottom plate, the left side plate and the right side plate are fixed on the front end face and the rear end face of the die shell through bolts, the bottom plate is fixed on the upper end face of the die shell through bolts, and the fixing parts are made of carbon steel.

Preferably, the reinforcing ribs are welded on the outer walls of the left side plate, the right side plate and the bottom plate.

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

(1) the utility model discloses simple structure, convenient operation, stability is good, non-deformable, and long service life can improve steel ball shaping quality.

(2) The utility model discloses in, go up the outside perpendicular mounting overhead gage of mould shell both sides face, baffle under the outside perpendicular mounting of lower mould shell both sides face, fixed mounting guide post between overhead gage and the lower baffle, the outside cover of guide post has damping spring, adopts this structure, can play the guide effect at last lower mould compound die in-process, prevents that positional deviation from influencing steel ball shaping quality, has further improved steel ball shaping efficiency.

(3) The utility model discloses in, go up the mounting of mould shell and lower mould shell wall mounting and can play the enhancement fixed action, can effectually prevent that phenomenons from appearing in the mould shell.

Drawings

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

FIG. 2 is a schematic view of the mold shell structure of the present invention;

fig. 3 is a schematic view of the fixing member of the present invention.

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. 1-3, the present invention provides a technical solution: the utility model provides a steel ball cold-heading forming die, includes mould 1 and cold-heading lower mould 2 on the cold-heading, cold-heading lower mould 2 is installed on base 3, mould 1 is installed on upper bracket 4 on the cold-heading, install support column 5 between upper bracket 4 and the base 3, mould 1 includes upper die shell 6 on the cold-heading, 6 inner chambers of upper die shell are opened there is hemisphere upper die cavity 7, cold-heading lower mould 2 includes

lower mould shell

8, 8 inner chambers of lower mould shell are opened there is hemisphere lower die cavity 9, 6 upper ends of upper die shell pass through screw fixed mounting upper fixed plate 10, install first flexible hydro-cylinder 11 between upper fixed plate 10 and the upper bracket 4, 8 lower terminal surfaces of lower mould shell pass through screw fixed mounting bottom plate 12, install the flexible hydro-cylinder 13 of second between bottom plate 12 and the base 3. The first telescopic oil cylinder controls the upper die shell to move up and down, the second telescopic oil cylinder controls the lower die shell to move up and down, a steel ball to be formed is placed between the upper hemispherical die cavity and the lower hemispherical die cavity, and the steel ball is formed through die assembly of the upper die and the lower die.

The utility model discloses in, go up 6 both sides of mould shell and outwards install overhead gage 14 perpendicularly, 8 both sides of lower mould shell face baffle 15 under outwards perpendicular installation, overhead gage 14 and lower fixed mounting guide post 16 between the

baffle

15, 16 outside covers of guide post have damping spring 17. By adopting the structure, the guide effect can be achieved in the die assembly process of the upper die and the lower die, the influence of position deviation on the forming quality of the steel ball is prevented, and the forming efficiency of the steel ball is further improved.

Furthermore, the utility model discloses in, go up

mold shell

6 and 8 both ends of lower mould shell and all be equipped with mounting 18, mounting 18 adopts the U-shaped structure, mounting 18 includes left side board 19, right side board 20 and bottom plate 21, left side board 19, right side board 20 pass through bolt 22 to be fixed at the preceding terminal surface and the rear end face of mould shell, bottom plate 21 passes through bolt 22 to be fixed at the up end of mould shell, mounting 18 adopts the carbon steel to make. Reinforcing ribs 23 are welded on the outer walls of the left side plate 19, the right side plate 20 and the bottom plate 21. Wherein, the strengthening rib can strengthen the intensity of curb plate and bottom plate. The utility model discloses in, go up the mounting of mould shell and lower mould shell wall mounting and can play the enhancement fixed action, can effectually prevent that phenomenons from appearing in the mould shell.

To sum up, the utility model discloses simple structure, convenient operation, stability is good, non-deformable, and long service life can improve steel ball shaping quality.

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 steel ball cold-heading forming die, includes cold-heading mould (1) and cold-heading lower mould (2), its characterized in that: the lower cold heading die (2) is arranged on the base (3), the upper cold heading die (1) is arranged on the upper bracket (4), a supporting column (5) is arranged between the upper bracket (4) and the base (3), the cold heading upper die (1) comprises an upper die shell (6), a hemispherical upper die cavity (7) is arranged in the inner cavity of the upper die shell (6), the cold heading lower die (2) comprises a lower die shell (8), a hemispherical lower die cavity (9) is arranged in the inner cavity of the lower die shell (8), an upper fixing plate (10) is fixedly arranged on the upper end surface of the upper mould shell (6) through screws, a first telescopic oil cylinder (11) is arranged between the upper fixing plate (10) and the upper bracket (4), the lower end surface of the lower mould shell (8) is fixedly provided with a lower fixing plate (12) through a screw, and a second telescopic oil cylinder (13) is arranged between the lower fixing plate (12) and the base (3).

2. The steel ball cold heading forming die of claim 1, wherein: the improved structure is characterized in that upper baffles (14) are perpendicularly arranged on two side faces of the upper formwork (6) outwards, lower baffles (15) are perpendicularly arranged on two side faces of the lower formwork (8) outwards, guide columns (16) are fixedly arranged between the upper baffles (14) and the lower baffles (15), and damping springs (17) are sleeved outside the guide columns (16).

3. The steel ball cold heading forming die of claim 1, wherein: the upper die shell (6) and the lower die shell (8) are provided with fixing pieces (18) at two ends, the fixing pieces (18) are of U-shaped structures, each fixing piece (18) comprises a left side plate (19), a right side plate (20) and a bottom plate (21), the left side plate (19) and the right side plate (20) are fixed to the front end face and the rear end face of the die shell through bolts (22), the bottom plate (21) is fixed to the upper end face of the die shell through the bolts (22), and the fixing pieces (18) are made of carbon steel.

4. The steel ball cold heading forming die of claim 3, wherein: and reinforcing ribs (23) are welded on the outer walls of the left side plate (19), the right side plate (20) and the bottom plate (21).