CN212191175U - Section bar die with large thickness difference ratio - Google Patents

Abstract

The utility model discloses a large section mould with thickness-difference ratio, which belongs to the technical field of moulds and comprises a lower mould, wherein one end of the lower mould is connected with an upper mould, one end of the upper mould, which is far away from the lower mould, is provided with a shunting hole, and a shunting bridge is arranged between two adjacent shunting holes; the utility model discloses an inside spacer pin that is provided with of one end is pressed close to mutually at last mould and bed die, fixes a position last mould and bed die, and the bed die is connected with the gim peg, and the gim peg runs through the bed die and is connected with last mould thread engagement, realizes the spacing fixed of mould and bed die, avoids mould processing unstability.

Description

Section bar die with large thickness difference ratio

Technical Field

The utility model belongs to the technical field of the mould, concretely relates to big section bar mould of thickness difference ratio.

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. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity.

The prior art has the following problems: the existing die has large drop of section wall thickness, too small sharp point at a thin position, easy pull-cracking, large change of size, difficult control of die size tolerance and influence on processing quality.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a big section bar mould of thickness difference ratio has simple structure, and control is convenient, processes handy characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a big section bar mould of thickness difference ratio, includes the bed die, the one end of bed die is connected with the mould, the one end of keeping away from the bed die of going up the mould is provided with reposition of redundant personnel hole, adjacent two be provided with the reposition of redundant personnel bridge between the reposition of redundant personnel hole, the one end that goes up the mould and be close to the bed die is provided with the seam room, the centre of bed die is provided with the type hole.

Preferably, the side edges of the upper die and the lower die are both provided with positioning holes, and positioning bolts are arranged inside the positioning holes.

Preferably, the upper die and the lower die are close to one end, and a limit pin is arranged in one end.

Preferably, the lower die is connected with a fixing bolt in a penetrating manner, and one end of the fixing bolt is in threaded engagement with the upper die.

Preferably, the periphery of the surface of the upper die is uniformly provided with limiting fixing holes, and the inner parts of the limiting fixing holes are in threaded engagement and connected with limiting fixing bolts.

Preferably, the flow distribution holes are provided with six groups, and the interior of each flow distribution hole adopts a straight-punching sharp point structure.

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

1. the utility model adopts the design of directly punching sharp points on the shunting holes, the thick points on the outer side are pressed close by the flow choking block, the thick points are prevented from robbing materials, the dead knife is enlarged under the sharp points, the thin point storage space is increased, the sufficient aluminum water pressure is ensured, and the similar problems can be solved;

2. the utility model discloses an inside spacer pin that is provided with of one end is pressed close to mutually at last mould and bed die, fixes a position last mould and bed die, and the bed die is connected with the gim peg, and the gim peg runs through the bed die and is connected with last mould thread engagement, realizes the spacing fixed of mould and bed die, avoids mould processing unstability.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

in the figure: 1. an upper die; 2. a shunt hole; 3. a shunt bridge; 4. a welding chamber; 5. a fixing bolt; 6. a hole is formed; 7. a lower die; 8. positioning bolts; 9. a spacing pin; 10. positioning holes; 11. limiting fixing holes; 12. and a limiting fixing bolt.

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. 1-2, the present invention provides the following technical solutions: the utility model provides a big section bar mould of thickness-difference ratio, includes bed die 7, and the one end of bed die 7 is connected with mould 1, and the one end of keeping away from bed die 7 of going up mould 1 is provided with reposition of redundant personnel hole 2, is provided with reposition of redundant personnel bridge 3 between two adjacent reposition of redundant personnel holes 2, and the one end that goes up mould 1 and be close to bed die 7 is provided with seam room 4, and the centre of bed die 7 is provided with type hole 6.

Specifically, the side edges of the upper die 1 and the lower die 7 are respectively provided with a positioning hole 10, a positioning bolt 8 is arranged inside the positioning hole 10,

through adopting above-mentioned technical scheme, conveniently fix a position fixedly to mould 1 and bed die 7.

Specifically, a limit pin 9 is arranged inside one end of the upper die 1 and one end of the lower die 7 which are close to each other,

through adopting above-mentioned technical scheme, conveniently fix a position between cope match-plate pattern 1 and the bed die 7.

Specifically, the lower die 7 is connected with a fixing bolt 5 in a penetrating way, one end of the fixing bolt 5 is in threaded engagement with the upper die 1,

through adopting above-mentioned technical scheme, improve fixed fastness between mould 1 and the bed die 7.

Specifically, the periphery of the surface of the upper die 1 is uniformly provided with limit fixing holes 11, the inner parts of the limit fixing holes 11 are in threaded engagement with limit fixing bolts 12,

through adopting above-mentioned technical scheme, make things convenient for the fixed between mould 1 and the bed die 7, improve the fastness.

Specifically, six groups of the shunting holes 2 are arranged, the shunting holes 2 adopt a direct punching sharp point structure,

through adopting above-mentioned technical scheme, through directly dashing the design of flow distribution hole 2 sharp point, the thick point in outside is pressed close to with the piece that chokes flow, prevents that thick point from robbing the material, and the dead knife is enlargied under the sharp point, increases thin some storage space, guarantees to have sufficient aluminium water pressure.

The utility model discloses a theory of operation and use flow: the utility model discloses during the use, fix the mould in suitable position, through with the straight sharp point design of rushing of reposition of redundant personnel hole 2, the thick point in the outside is pressed close to with the choked flow piece, prevent that thick point from robbing the material, the dead knife is enlargied under the sharp point, increase thin point storage space, guarantee to have sufficient aluminium water pressure, can solve similar difficult problem, through pressing close to the inside spacer pin 9 that is provided with of one end mutually at last mould 1 and bed die 7, fix a position last mould 1 and bed die 7, bed die 7 is connected with gim peg 5, the gim peg 5 runs through bed die 7 and is connected with last mould 1 thread engagement, realize the spacing of mould 1 and bed die 7 fixed, avoid the mould processing unstability, it is portable to use.

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 (6)

1. The utility model provides a big section bar mould of thickness difference ratio, includes bed die (7), its characterized in that: one end of the lower die (7) is connected with the upper die (1), one end of the upper die (1) far away from the lower die (7) is provided with the shunting holes (2) which are adjacent to each other, a shunting bridge (3) is arranged between the shunting holes (2), one end of the upper die (1) close to the lower die (7) is provided with a welding chamber (4), and a molding hole (6) is arranged in the middle of the lower die (7).

2. A large differential thickness ratio profile die as claimed in claim 1, wherein: the side edges of the upper die (1) and the lower die (7) are provided with positioning holes (10), and positioning bolts (8) are arranged inside the positioning holes (10).

3. A large differential thickness ratio profile die as claimed in claim 1, wherein: and a limiting pin (9) is arranged at one end of the upper die (1) and the lower die (7) which are close to each other.

4. A large differential thickness ratio profile die as claimed in claim 1, wherein: the lower die (7) is connected with a fixing bolt (5) in a penetrating mode, and one end of the fixing bolt (5) is in threaded engagement with the upper die (1).

5. A large differential thickness ratio profile die as claimed in claim 1, wherein: the surface of the upper die (1) is uniformly provided with limiting fixing holes (11) all around, and the limiting fixing holes (11) are connected with limiting fixing bolts (12) in a threaded engagement mode.

6. A large differential thickness ratio profile die as claimed in claim 1, wherein: six groups of the shunting holes (2) are arranged, and the shunting holes (2) are internally in a direct-punching sharp point structure.

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