CN112477010A

CN112477010A - Slider link structure of loosing core

Info

Publication number: CN112477010A
Application number: CN202011542854.4A
Authority: CN
Inventors: 刘赛科; 王林明; 娄开尧; 陈肖瑞; 李邦; 娄泽彪; 丁宏参; 曾义顺; 李恒青
Original assignee: Ningbo Fangzheng Tool Co Ltd
Current assignee: Ningbo Fangzheng Tool Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-03-12

Abstract

The invention discloses a slider-linked core pulling structure, which comprises an inclined guide post, and further comprises a slider, a shifting block, a first core pulling block, a second core pulling block, a first guide block and a second guide block, wherein the first core pulling block is positioned at the front part of the slider, the rear part of the slider is matched with the inclined guide post, the slider is in sliding connection with the first guide block, the second core pulling block is in sliding connection with the second guide block, the shifting block is arranged on the side surface of the front part of the slider, the second core pulling block is arranged in parallel with the first core pulling block, in addition, a sliding groove is arranged on the upper side of the second core pulling block, the sliding groove is in sliding fit with the shifting block, and when the slider slides along the first guide block, the second core pulling block slides along: simple structure is compact, reliable and stable, with low costs, adopts the slider to deviate from with demonstration characteristic back-off 1, with characteristic back-off 2 with loose core for a short time link to deviate from on the slider through dialling the piece, owing to adopted the slider to link the form of loosing core for a short time, simplify the mould structure, take up space for a short time, the mode of linking is small and exquisite, production is smooth and easy.

Description

Slider link structure of loosing core

Technical Field

The invention relates to the technical field of injection molds, in particular to a sliding block link core-pulling structure.

Background

At present, there is an injection molding product, as shown in fig. 1, can design two characteristic back-offs 1 and characteristic back-offs 2 that drawing of patterns direction is inconsistent, that is, characteristic back-offs 2 and characteristic back-offs 1 drawing of patterns direction is inconsistent, for example, the injection molding product of car handrail apron, as shown in fig. 1, under general state, characteristic back-offs 2 need to design the oblique top, take up space greatly, consequently lead to two problems, a, difficult controlled temperature, easily lead to the product shaping cycle long, b, need higher mould thickness, increase cost.

Therefore, the applicant has conducted intensive research to find out a technical scheme with simple and compact structure, stability, reliability and low cost to solve the above-mentioned complicated technical problems, and needs to meet engineering requirements and be capable of being used in engineering, rather than only staying at a theoretical research level.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: overcome prior art's defect above, provide a slider and link structure of loosing core, simple structure is compact, reliable and stable, with low costs, adopt the slider to deviate from with demonstration characteristic back-off 1, with characteristic back-off 2 with loose core for a short time link to the slider through shifting block and deviate from, owing to adopted the slider to link the form of loosing core for a short time, simplify the mould structure, take up space for a short time, the mode of linking is small and exquisite, production is smooth and easy.

The technical scheme adopted by the invention is as follows: the utility model provides a slider is linked and is loosed core structure, including oblique guide pillar, still include the slider, the shifting block, firstly loose core, the second is loosed core, first guide block, the second guide block, first loose core is located the front portion of slider, the rear portion and the oblique guide pillar cooperation of slider, slider and first guide block sliding connection, the second is loosed core and is connected with second guide block sliding connection, the shifting block is located the anterior side of slider, the second is loosed core and is set up side by side with first loosing core, and, the upside that the second was loosed core is equipped with the spout, this spout and shifting block sliding connection, when the slider slides along first guide block, the second is loosed core and is slided along shifting block and second guide block.

After adopting the technical scheme, compared with the prior art, the invention has the following advantages: the invention has the advantages of simple and compact structure, stability, reliability and low cost through ingenious design, the characteristic reverse buckle 1 shown in the invention is pulled out by adopting the slide block, namely the slide block with the first loose core, the characteristic reverse buckle 2 is pulled out by using the second loose core which is linked to the slide block through the shifting block, the second loose core can be vividly called as a small loose core, and the slide block is adopted to link the small loose core, so that the structure of the mould is simplified, the occupied space is small, the linking mode is small and exquisite, and the production is smooth.

Preferably, the front part of the sliding block is higher than the rear part of the sliding block, so that the structure is compact, and the arrangement and the movement of the inclined guide post are convenient.

Preferably, when the core pulling is completed, the rear part of the sliding block is separated from the inclined guide post, so that the inclined guide post is convenient to set and move, in addition, the inclined guide post is not required to be always connected with the rear part of the sliding block, and the integral design of the die can be facilitated.

As preferred, the process that the oblique guide pillar inserted the rear portion of slider is the reset process of loosing core, and the process that the oblique guide pillar was extracted from the rear portion of slider is the process of taking out of loosing core, is favorable to simplifying the mould structure, and it is little to occupy the space, and the mode of linking is small and exquisite, and production is smooth and easy.

Preferably, when the sliding block moves backwards, the second loose core moves backwards and moves downwards relative to the shifting block, so that the matching of the second loose core and the shifting block is ensured, and the structure of the mold is simplified.

Drawings

Fig. 1 is a product.

Fig. 2 is a schematic perspective view of a slider-linked core-pulling structure according to the present invention.

Fig. 3 is a schematic partial sectional view of the slider link core-pulling structure of the invention.

FIG. 4 is a schematic cross-sectional view of the completed core back.

The core pulling device comprises a guide column 1, an inclined guide column 2, a sliding block 3, a shifting block 4, a first core pulling block 5, a second core pulling block 6, a first guide block 7 and a second guide block.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.

As shown in the figure, the invention provides a slider-linked core pulling structure, which comprises an inclined guide post 1, and further comprises a slider 2, a shifting block 3, a first core pulling 4, a second core pulling 5, a first guide block 6 and a second guide block 7, wherein the first core pulling 4 is positioned at the front part of the slider 2, the rear part of the slider 2 is matched with the inclined guide post 1, the slider 2 is in sliding connection with the first guide block 6, the second core pulling 5 is in sliding connection with the second guide block 7, the shifting block 3 is arranged on the side surface of the front part of the slider 2, the second core pulling 5 is arranged in parallel with the first core pulling 4, a sliding groove is arranged on the upper side of the second core pulling 5, the sliding groove is in sliding fit with the shifting block 3, and when the slider 2 slides along the first guide block 6, the second core pulling 5 slides along the shifting block 3 and the second guide block.

The first guide block 6 and the second guide block 7 both adopt pressing blocks for guiding and limiting.

The front part of the sliding block 2 is higher than the rear part of the sliding block 2, and the back surface of the front part of the sliding block 2 is an inclined surface, so that the inclined guide pillar 1 is avoided.

When the core pulling is completed, the rear part of the sliding block 2 is separated from the inclined guide post 1.

The process that oblique guide pillar 1 inserted the rear portion of slider 2 is the reset process of loosing core, and in the mating holes at oblique guide pillar 1 inserted the rear portion of slider 2 promptly, oblique guide pillar 1 promoted slider 2 forward movement, realizes loosing core and resets, and the process of extracting from the rear portion of slider 2 of oblique guide pillar 1 is the process of taking out of loosing core, and oblique guide pillar 1 follows promptly the mating holes in outwards extract, oblique guide pillar 1 promotes slider 2 rearward movement, and shifting block 3 drives the second simultaneously and looses core 5 both backward movement, and relative shifting block 3 downstream again realizes loosing core simultaneously.

In this example, when the slide block 2 moves backwards, the second loose core 5 moves backwards and moves downwards relative to the shifting block 3, so that the second loose core 5 completes the loose core.

The working principle of the invention can be referred to as follows: fig. 2 and 3 show a non-core-pulling state, when core pulling is required, the inclined guide post 1 is pulled out from the mating hole, the inclined guide post 1 pushes the slider 2 to move backwards, and the shifting block 3 drives the second core-pulling 5 to move backwards and downwards relative to the shifting block 3 to realize core pulling, and as shown in fig. 4, otherwise, the core-pulling state is reset to obtain the state shown in fig. 2 and 3.

The invention has the advantages of simple and compact structure, stability, reliability and low cost through ingenious design, the characteristic reverse buckle 1 shown in the invention is separated by adopting the slide block 2, the characteristic reverse buckle 2 is connected with the slide block 2 by the second loose core 5 through the shifting block 3 and separated, and the slide block 2 is connected with the second loose core 5, so that the structure of the die is simplified, the occupied space is small, the connection mode is small and exquisite, and the production is smooth.

The foregoing is illustrative of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a slider links structure of loosing core, includes oblique guide pillar, its characterized in that: still include the slider, the shifting block, firstly loose core, the second is loosed core, first guide block, the second guide block, first loose core is located the front portion of slider, the rear portion and the cooperation of oblique guide pillar of slider, slider and first guide block sliding connection, the second is loosed core and second guide block sliding connection, the side of the front portion of slider is located to the shifting block, the second is loosed core and set up side by side with first, and, the upside that the second was loosed core is equipped with the spout, this spout and shifting block sliding fit, when the slider slides along first guide block, the second is loosed core and is slided along shifting block and second guide block.

2. The slider link core-pulling structure according to claim 1, characterized in that: the front of the slider is higher than the rear of the slider.

3. The slider link core-pulling structure according to claim 1, characterized in that: when the core pulling is completed, the rear part of the sliding block is separated from the inclined guide pillar.

4. The slider link core-pulling structure according to claim 3, characterized in that: the process that the oblique guide pillar inserts the rear portion of slider is the reset process of loosing core, and the process that the oblique guide pillar was extracted from the rear portion of slider is the process of loosing core and takes out.

5. The slider link core-pulling structure according to claim 1, characterized in that: when the sliding block moves backwards, the second loose core moves backwards and moves downwards relative to the shifting block.