CN201070813Y - Sliding block spring positioning device - Google Patents

Abstract

The utility model discloses a slide block spring positioning mechanism, which is used for the positioning of a slide block spring in a mould. The structure comprises a first mold core and a second mold core, wherein, a slide block is arranged on the first mold core, a slide block hole is arranged in the slide block and a spring is arranged on the first mold core at one side of the slide block, a positioning post is arranged in the spring and one end of the positioning post penetrates through the slide block; the second mold core corresponding to the first mold core is provided with a bevel pin and a slide wedge; the bevel pin is corresponding to the slide block hole and the slide wedge is corresponding to the slide block. The slide block spring positioning mechanism is characterized in that the positioning post which is additionally arranged in the spring has the functions of guiding and positioning; as long as the spring is free from deviating and bending, the positioning post can not be broken when being pressed by the slide block, therefore, such occasion that owing to the collision caused by the dislocation of the bevel pin and the slide block hole, the bevel pin is broken can be avoided. The utility model solves the potential safety hazard of such technical field, enhances the production efficiency and reduces the maintenance cost.

Description

Sliding block spring positioning device

[technical field]

The relevant a kind of sliding block spring positioning device of the utility model, particularly relevant a kind of sliding block spring positioning device that is used in the mould.

[background technology]

See also Fig. 1, Figure 1 shows that the sliding block spring positioning device cut-away view of prior art, when utilizing mould to produce product, often can use slide block, this slide block is to be moved to make things convenient for and one of this slide block side usually is provided with a spring.As shown in Figure 1, this mould is provided with one second die 1 and one of corresponding with second die 1 first die 2, this first die 2 is provided with a slide block 4, be provided with a slider bore 41 in this slide block 4, be provided with a spring 5 in these slide block 4 one sides on this first die 2, this second die 1 is provided with one and falls a taper pin 3 and a slide block bundle piece 6, the taper pin 3 that should fall is corresponding with above-mentioned slider bore 41, this slide block bundle piece 6 is corresponding with slide block 4, the taper pin 3 that falls behind mold closing inserts slider bore 41, promote slide block 4 compression springs 5, while slide block bundle piece 6 also slides to slide block 4 one sides slide block 4 is carried out maintenance.Yet influenced by product structure, when slide block 4 and spring 5 Position Design, there is off-centre spring 5 positions in slide block 4.Because of slide block 4 strokes are too big, it is oversize that spring 5 stretches out slide block 4.Spring tired impaired distortion after 5 use a period of times, bending, spring 5 is often broken by slide block 4.See also Fig. 2, Figure 2 shows that the cut-away view after the sliding block spring positioning device spring breakage of prior art, as shown in the figure, after spring 5 fractures, slide block 4 slides because of the gravity effect, causes down taper pin 3 and slider bore 41 to misplace and bumps against, and causes down taper pin 3 to sever easily.

In view of this, be necessary to develop a kind of sliding block spring positioning device in fact, utilize this mechanism, spring 5 is difficult for because of the impaired distortion of fatigue, bending under long-term situation about using, even is broken by slide block 4, thereby after having avoided spring 5 fractures, slide block 4 slides because of the gravity effect, and the taper pin 3 that falls bumps against the situation that causes down taper pin 3 to sever with slider bore 41 dislocation.

[summary of the invention]

Therefore, the purpose of this utility model is to provide a kind of sliding block spring positioning device, the location that is used for the mould inner slide springs utilizes this mechanism, and spring is under long-term situation about using, be difficult for because of the impaired distortion of fatigue, bending, even given by slide block and to be broken, thereby after having avoided spring breakage, slide block slides because of the gravity effect, fall the dislocation of taper pin and slider bore and bump against the situation that causes down taper pin to sever.

For reaching above-mentioned purpose, sliding block spring positioning device of the present utility model is used for the location of mould inner slide springs, and this structure comprises:

One first die, this first die is provided with a slide block, is provided with a slider bore in this slide block, is provided with a spring in this slide block one side on this first die, is provided with a reference column in this spring, and this reference column one end penetrates slide block;

One second die, this second die is corresponding with this first die, and this second die is provided with one and falls a taper pin and a slide block bundle piece, and the taper pin that should fall is corresponding with above-mentioned slider bore, and this slide block bundle piece is corresponding with slide block.

Compared to prior art, sliding block spring positioning device of the present utility model appends reference column in spring, and reference column plays guiding, positioning action.Guarantee not off normal, not crooked of spring, just can not broken, thereby avoid down taper pin and slider bore to misplace and bump against that the situation that causes down taper pin to sever has solved this technical field potential safety hazard, has improved production efficiency, the reduction maintenance cost by slide block.

For the purpose of this utility model, structural feature and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:

[description of drawings]

Figure 1 shows that the sliding block spring positioning device cut-away view of prior art.

Figure 2 shows that the cut-away view after the sliding block spring positioning device spring breakage of prior art.

Cut-away view when Figure 3 shows that sliding block spring positioning device spring one preferred embodiment mold closing of the present utility model.

Figure 4 shows that the cut-away view behind the sliding block spring positioning device spring one preferred embodiment mold closing of the present utility model.

[specific embodiment]

Please consult Fig. 3, Fig. 4 jointly, wherein, cut-away view when Figure 3 shows that sliding block spring positioning device spring one preferred embodiment mold closing of the present utility model Figure 4 shows that the cut-away view behind the sliding block spring positioning device spring one preferred embodiment mold closing of the present utility model.

Sliding block spring positioning device of the present utility model is used for the location of mould inner slide springs, and in this preferred embodiment, this structure comprises:

One first die 20, this first die 20 is provided with a slide block 40, is provided with a slider bore 401 in this slide block 40, is provided with a spring 50 in these slide block 40 1 sides on this first die 20, is provided with a reference column 70 in this spring 50, and these reference column 70 1 ends penetrate slide block 40;

One second die 10, this second die 10 is corresponding with this first die 20, this second die 10 is provided with one and falls a taper pin 30 and a slide block bundle piece 60, the taper pin 30 that should fall is corresponding with above-mentioned slider bore 401, this slide block bundle piece 60 is corresponding with slide block 40, in present embodiment, this slide block bundle piece 60 is located at slide block 40 away from spring 50 1 sides.

When mold closing, the taper pin 30 that falls inserts slider bore 401, because the motion of taper pin 30 can be divided into both direction, except the mold closing direction, also has a motion perpendicular to the mold closing direction, thereby drive slide block 40 motions, extrusion spring 50 during slide block 40 motions, simultaneously slide block bundle piece 60 along slide block 40 away from spring 50 1 lateral movements, thereby with slide block 40 maintenances, in this process, owing to be provided with reference column 70 in the spring 50,70 guiding of reference column, positioning action guarantee not off normal, not crooked of spring 50, just can not broken by slide block 40.

And when die sinking, the taper pin 30 that falls breaks away from slider bore 401, and slide block bundle piece 60 is removed, thereby spring 50 is released, and slide block 40 is done mobile.

Compared to prior art, sliding block spring positioning device of the present utility model appends reference column 70 in spring 50,70 guiding of reference column, positioning action.Guarantee not off normal, not crooked of spring 50, just can not broken, thereby avoid down taper pin 30 to bump against with slider bore 401 dislocation by slide block 40, the situation that causes down taper pin 30 to sever, solve this technical field potential safety hazard, improved production efficiency, reduced maintenance cost.

Claims (2)

1. sliding block spring positioning device is used for the location of mould inner slide springs, it is characterized in that this structure comprises:

One first die, this first die is provided with a slide block, is provided with a slider bore in this slide block, is provided with a spring in this slide block one side on this first die, is provided with a reference column in this spring, and this reference column one end penetrates slide block;

One second die, this second die is corresponding with this first die, and this second die is provided with one and falls a taper pin and a slide block bundle piece, and the taper pin that should fall is corresponding with above-mentioned slider bore, and this slide block bundle piece is corresponding with slide block.

2. sliding block spring positioning device as claimed in claim 1 is characterized in that, slide block bundle piece is located at slide block away from spring one side.

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