CN205217992U

CN205217992U - Mould with ejection pin

Info

Publication number: CN205217992U
Application number: CN201521115829.2U
Authority: CN
Inventors: 赵兵; 任海林; 张亚明; 罗彪
Original assignee: Shanghai Wuteng Metal Products Co Ltd
Current assignee: Shanghai Wuteng Metal Products Co Ltd
Priority date: 2015-12-28
Filing date: 2015-12-28
Publication date: 2016-05-11
Anticipated expiration: 2025-12-28

Abstract

The utility model discloses a mould with ejection pin, it includes framed, mould benevolence, thimble and thimble bush, the thimble bush sets up downtheholely in mould benevolence, the thimble sliding connection be in in the thimble bush. Because the utility model provides a mould with ejection pin, at the downthehole thimble bush of having add of mould benevolence, reciprocating motion is to the thimble in the thimble bush, therefore effectively avoided the directness between thimble and the mould benevolence hole to rub, the wearing and tearing of mould benevolence have been reduced, the life of mould benevolence has been increased, particularly, when product top needle position buys property the setation thorn, only need to change the thimble bush, convenient operation, and manufacturing cost has been practiced thrift, can guarantee that the product pushes up the quality that needle position put, consequently, has obvious practicality.

Description

A kind of mould with thimble

Technical field

The utility model relates to a kind of mould with thimble, belongs to die casting technical field.

Background technology

It is framed that traditional mould comprises outside die and die, molten metal or other materials is injected in the die cavity formed between dynamic model and the die of cover half, required product can be formed after its condensation, and for the ease of the demoulding of product, usual needs die and framed corresponding perforate, in hole, thimble is set.In knockout course, by thimble, product is outwards ejected, can easily by product stripping.But in Long-Time Service process, thimble constantly reciprocating motion can cause the wearing and tearing of die orifice, directly reduce the service life of die.If the die more renewed not in time, its consequence caused is exactly that product occurs burr in thimble position, and shaping product needed is carried out reprocessing and removed burr, not only wastes time and energy, and adds production cost.

Utility model content

For the problems referred to above that prior art exists, the purpose of this utility model is to provide a kind of mould with thimble that die can be avoided to wear and tear.

For achieving the above object, the utility model adopts following technical scheme:

Have a mould for thimble, comprise framed, die and thimble, it is characterized in that: also comprise thimble lining, described thimble lining is arranged in die orifice, and described thimble is slidably connected in described thimble lining.

Preferably, the two ends of described thimble lining flush with the two ends of described die orifice.

Preferably, described thimble lining is in T shape near framed one end.

Preferably, larger than the diameter of described thimble lining 0.01 millimeter of the diameter of described die orifice.

Compared to prior art, Advantageous Effects of the present utility model is:

The mould of what the utility model provided have thimble, owing to having set up thimble lining in die orifice, thimble moves reciprocatingly in thimble lining, thus effectively prevent the direct friction between thimble and die orifice, reduce the wearing and tearing of die, add the service life of die, especially, when product thimble position produces burr, only need change thimble lining, not only easy to operate, and saved production cost, the quality of product thimble position can be ensured, there is practicality.

Accompanying drawing explanation

A kind of mould structure schematic diagram with thimble that Fig. 1 provides for the utility model.

Number in the figure is schematically as follows: 1-is framed; The framed hole of 11-; 2-die; 21-die orifice; 3-thimble; 4-thimble lining.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in further detail.

Embodiment

As shown in Figure 1: a kind of mould with thimble that the present embodiment provides, comprise framed 1, die 2, thimble 3 and thimble lining 4, framed hole 11 is offered on framed 1, die 2 offers die orifice 21, thimble lining 4 is arranged in die orifice 21, thimble 3 is slidably connected in thimble lining 4 and framed hole 11, therefore, thimble lining 4 is suitable with thimble 3 with the diameter in framed hole 11, and the diameter of die orifice 21 is larger than the diameter of thimble lining 4, in the present embodiment, larger than the diameter of thimble lining 4 0.01 millimeter of the diameter of die orifice 21, but not as limit.

The two ends of thimble lining 4 flush with the two ends of die orifice 21, because near the long or too short outward appearance that can affect product in one end of die cavity, and in T shape near one end of framed 1, can prevent thimble lining 4 from falling into die cavity inside, and framed 1 can play fixation to thimble lining 4.

In use, the reciprocating motion of thimble 3 can produce wearing and tearing to thimble lining 4, and wearing and tearing can not be produced to die 2, directly increase the service life of die 2, once thimble lining 4 weares and teares excessive, so product just there will be burr, now only need be separated framed 1 with die 2, thimble lining 4 is taken out and the thimble lining more renewed from die 2.

Visible in sum: the mould with thimble provided due to the utility model, thimble lining has been set up in die orifice, thimble moves reciprocatingly in thimble lining, thus effectively prevent the direct friction between thimble and die orifice, reduce the wearing and tearing of die, add the service life of die, especially, when product thimble position produces burr, only need change thimble lining, not only easy to operate, and saved production cost, the quality of product thimble position can be ensured, therefore there is obvious practicality.

Finally be necessary to herein means out: the foregoing is only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.

Claims

1. have a mould for thimble, comprise framed, die and thimble, it is characterized in that: also comprise thimble lining, described thimble lining is arranged in die orifice, and described thimble is slidably connected in described thimble lining.

2. mould according to claim 1, is characterized in that: the two ends of described thimble lining flush with the two ends of described die orifice.

3. mould according to claim 1 and 2, is characterized in that: described thimble lining is in T shape near framed one end.

4. mould according to claim 1, is characterized in that: larger than the diameter of described thimble lining 0.01 millimeter of the diameter of described die orifice.