CN113650244A - Antiseized second grade slider structure and seat structure spare mould - Google Patents

Abstract

The invention discloses an anti-sticking secondary sliding block structure and a seat structural member die. The inclined guide post is connected with the front template, and the large sliding block, the first core-pulling sliding block, the second core-pulling sliding block and the spring are all arranged on the rear template. According to the anti-sticking secondary slider structure, the two core-pulling sliders are arranged, and the gap and the spring are arranged between the large slider for pulling the core-pulling slider and the second core-pulling slider which needs to be pulled out in a delayed manner, so that the first core-pulling slider is pulled out first, the second core-pulling slider is pulled out in a delayed manner, and then the buckle and the buckle position on the seat structural member can be released twice, and the problems of thin-wall buckle strain, whitening, mold sticking and the like caused by simultaneous opening release are avoided.

Description

Antiseized second grade slider structure and seat structure spare mould

Technical Field

The invention relates to the technical field of mold forming, in particular to an anti-sticking secondary slide block structure and a seat structural member mold.

Background

At present, the injection molding part occupies a very large area in an automobile, and the connection between the injection molding parts mainly depends on rivets and buckles, so that the buckles are designed on a plurality of automobile interior trimming parts or automobile exterior trimming parts, and the complexity of the injection molding parts is increased due to the design of the buckles or other connection structures. The seat structure 1 shown in fig. 1 and 2 has a buckle 11 on one side, which needs to be released by a slide block, and a buckle 12 at the buckle 11, wherein the buckle 12 comprises a sheet 121 perpendicular to the seat structure body and reinforcing ribs 122 connected to both sides of the sheet 121. In order to meet the assembly requirement, the thickness of the sheet 121 is thinner than that of the seat structural part body, the slide block die structure is designed according to a normal thought, the sheet 121 is stuck to a slide block during demoulding, the slide block is pulled reversely and is whitened, and the size of the bone block clamping position is unqualified.

Disclosure of Invention

The invention aims to provide an anti-sticking secondary slide block structure and a seat structural part mould, which can solve the problems of whitening and mould sticking when a structural part with a thin buckling position is demoulded.

In order to achieve the purpose, the technical scheme of the invention is as follows:

an anti-sticking secondary slider structure comprises an inclined guide post;

the large sliding block is in sliding fit with the inclined guide post and moves along a first direction under the driving of the inclined guide post; the big sliding block is provided with a first T-shaped sliding groove and a second T-shaped sliding groove, wherein the second T-shaped sliding groove is provided with a sliding groove neck and a sliding groove head;

the two ends of the first core-pulling sliding block are respectively provided with a first forming part and a first T-shaped sliding rail, the first forming part is used for forming a buckle on a seat structural part, and the first T-shaped sliding rail is matched with the first T-shaped sliding groove so that the first core-pulling sliding block moves towards a first direction under the driving of the large sliding block;

the two ends of the second core-pulling sliding block are respectively provided with a second forming part and a second T-shaped sliding rail, the second forming part is used for forming a buckling position on a seat structural part, and the second T-shaped sliding rail is matched with the second T-shaped sliding groove so that the second core-pulling sliding block moves towards the first direction under the driving of the large sliding block; the second T-shaped sliding rail is provided with a sliding rail neck and a sliding rail head, and the thickness of the sliding rail head is smaller than that of the sliding chute head;

one end of the spring is connected with the large sliding block, and the other end of the spring is connected with the first core-pulling sliding block;

when the die is closed, the spring is in a compressed state, and a first distance is reserved between the end face, facing the neck of the slide rail, of the slide rail head and the inner side face of the chute head.

When the seat structural part mold disclosed by the invention is closed, the spring is in a compressed state, and the end surface of the head part of the sliding rail, facing the neck part of the sliding rail, is far away from the inner side surface of the head part of the sliding groove.

When the seat structural part mold is opened, the front mold plate moves forwards to drive the inclined guide pillar to move forwards, and further drive the large slide block to move forwards and to the first direction. Because the first core-pulling sliding block is matched with the large sliding block through the first T-shaped sliding rail, the first core-pulling sliding block moves towards the first direction relative to the seat structural part, and the separation of the first forming part and the buckle on the seat structural part is completed. The second core-pulling slide block is kept still under the elastic force action of the spring. When the distance that big slider moved to the first direction reaches first distance D1, the terminal surface of slide rail head towards the slide rail neck tightly supports the medial surface of spout head to big slider overcomes the elasticity pulling second slider of loosing core and removes to the first direction for the seat structure spare, accomplishes the separation of the knot position on second forming portion and the seat structure spare.

According to the anti-sticking secondary slider structure, the two core-pulling sliders are arranged, and the gap and the spring are arranged between the large slider for pulling the core-pulling slider and the second core-pulling slider which needs to be pulled out in a delayed manner, so that the first core-pulling slider is pulled out first, the second core-pulling slider is pulled out in a delayed manner, and then the buckle and the buckle position on the seat structural member can be released twice, and the problems of thin-wall buckle strain, whitening, mold sticking and the like caused by simultaneous opening release are avoided.

Further, the first T-shaped sliding groove and the second T-shaped sliding groove are arranged side by side, and the first T-shaped sliding groove is communicated with the second T-shaped sliding groove.

Furthermore, the second core pulling slider is provided with a through hole, the second core pulling slider penetrates through the through hole, and the second forming part penetrates through the through hole.

Further, the first T-shaped sliding groove is arranged close to the side of the inclined guide post, and the second T-shaped sliding groove is arranged close to the side of the first core-pulling sliding block.

Furthermore, antiseized second grade slider structure has two the spring, and two the spring symmetrically distributes in the both sides of first slider of loosing core.

Further, the second core pulling sliding block comprises a sliding block body, one side of the sliding block body is in the shape which is the same as the buckling contour of the seat structural part so as to form the first forming part, the other side of the sliding block body is connected with the second T-shaped sliding rail and is provided with a containing hole, and the containing hole is used for containing the spring.

The invention also provides a seat structure mold, which comprises any one anti-sticking secondary slide block structure, and further comprises a front template and a rear template;

the inclined guide post is fixedly connected with the rear template, and the large sliding block, the first core-pulling sliding block, the second core-pulling sliding block and the spring are all arranged on the rear template.

For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a seat structure;

FIG. 2 is a schematic view of a buckle on the seat structure;

FIG. 3 is a cross-sectional view of the overall construction of a seat structure mold in an embodiment of the invention;

FIG. 4 is a top view of an anti-stiction secondary slider structure in an embodiment of the invention;

FIG. 5 is an enlarged view at A in FIG. 4;

FIG. 6 is an exploded view of an anti-stiction secondary slider structure in an embodiment of the invention.

The seat comprises a seat structural member 1, a seat structural member 11, a buckling position 12, a buckle 121, a sheet 122, a reinforcing rib 2, an inclined guide post 3, a large sliding block 4, a first core-pulling sliding block 5, a second core-pulling sliding block 6, a spring 31, a first T-shaped sliding groove 32, a second T-shaped sliding groove 321, a sliding groove neck 322, a sliding groove head 41, a first forming portion 42, a first T-shaped sliding rail 51, a second forming portion 52, a second T-shaped sliding rail 53, a through hole 521, a sliding rail neck 522 and a sliding rail head.

Detailed Description

In order to better illustrate the invention, the invention is described in further detail below with reference to the accompanying drawings.

It should be understood that the embodiments described are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

As a specific embodiment of the present invention, as shown in fig. 3, a seat structure mold in an embodiment of the present invention includes a front mold plate 1 and a rear mold plate 2, wherein a mold cavity is formed between the front mold plate 1 and the rear mold plate 2, and the mold cavity is used in a product sizing position.

The anti-sticking secondary slide block structure in the embodiment of the invention is arranged in the seat structural part mould and comprises an inclined guide pillar 2, a large slide block 3, a first core-pulling slide block 4, a second core-pulling slide block 5 and a spring 6. The inclined guide post 2 is connected with the front template, and the large slide block 3, the first core-pulling slide block 4, the second core-pulling slide block 5 and the spring 6 are all arranged on the rear template.

As shown in fig. 4 and 5, the large slider 3 is slidably engaged with the angle guide post 2 and is driven by the angle guide post 2 to move in a first direction; the big sliding block 3 is provided with a first T-shaped sliding chute 31 and a second T-shaped sliding chute, wherein the second T-shaped sliding chute 32 is provided with a chute neck 321 and a chute head 322;

as shown in fig. 5 and 6, two ends of the first core pulling slider 4 are respectively provided with a first forming portion 41 and a first T-shaped slide rail 42, the first forming portion 41 is used for forming the buckle 12 on the seat structural member, and the first T-shaped slide rail 42 is matched with the first T-shaped slide slot 31, so that the first core pulling slider 4 moves towards a first direction under the driving of the large slider 3;

a second core-pulling slider 5, two ends of which are respectively provided with a second forming part 51 and a second T-shaped slide rail 52, wherein the second forming part 51 is used for forming the buckling position 11 on the seat structural member, and the second T-shaped slide rail 52 is matched with the second T-shaped slide groove 32, so that the second core-pulling slider 5 is driven by the large slider 3 to move towards the first direction; the second T-shaped slide rail 52 has a slide rail neck 521 and a slide rail head 522, and the thickness of the slide rail head 522 is smaller than the thickness of the chute head 322;

one end of the spring 6 is connected with the large slide block 3, and the other end of the spring is connected with the first core-pulling slide block 4;

in the closed state, the spring 6 is in a compressed state, and the end surface of the rail head 522 facing the rail neck 521 has a first distance from the inner side surface of the chute head 322.

Wherein the B direction in fig. 3 represents the first direction, and the distance D1 represents the first distance in fig. 5.

When the seat structure mold of the invention is closed, the spring 6 is in a compressed state, and the end surface of the slide rail head portion 522 facing the slide rail neck portion 521 is away from the inner side surface of the chute head portion 322.

When the seat structural part mold is opened, the front mold plate moves forwards to drive the inclined guide pillar 2 to move forwards, and further drive the large slide block 3 to move forwards and to the first direction. Because the first core-pulling sliding block 4 is matched with the large sliding block 3 through the first T-shaped sliding rail 42, the first core-pulling sliding block 4 moves towards the first direction relative to the seat structural member, and the separation of the first forming part 41 and the buckle 12 on the seat structural member is completed. The second loose core slide 5 is kept still under the elastic force of the spring 6. When the distance that the large slider 3 moves towards the first direction reaches the first distance D1, the end surface of the slide rail head 522 facing the slide rail neck 521 tightly abuts against the inner side surface of the slide groove head 322, so that the large slider 3 overcomes the elastic force of the spring 6 to pull the second core-pulling slider 5 to move towards the first direction relative to the seat structural member, and the separation of the second forming part 51 from the buckling position 11 on the seat structural member is completed.

According to the anti-sticking secondary slider structure, the two core-pulling sliders are arranged, and the gap and the spring 6 are arranged between the large slider 3 for pulling the core-pulling slider and the second core-pulling slider 5 which needs to be pulled out in a delayed manner, so that the first core-pulling slider 4 is pulled out firstly, the second core-pulling slider 5 is pulled out in a delayed manner, the buckle 12 and the buckle position 11 on the seat structural member can be released twice, and the problems of pulling damage, whitening, mold sticking and the like of the thin-wall buckle 12 caused by simultaneous opening release are avoided.

The first T-shaped chute 31 and the second T-shaped chute 32 are arranged side by side, and the first T-shaped chute 31 is communicated with the second T-shaped chute 32. In practical production, the large sliding block 3 is an integral piece, and the first T-shaped sliding groove 31 and the second T-shaped sliding groove 32 need to be formed by slotting the large sliding block 3. Therefore, the first T-shaped chute 31 is communicated with the second T-shaped chute 32, which is beneficial to reducing the processing difficulty of the large sliding block 3.

As shown in fig. 6, a through hole 53 is fixed to the second core back slider 5, the second core back slider 5 is inserted into the through hole 53, and the second molding portion 51 is inserted into the through hole 53. Referring back to fig. 1, the buckle 12 on the seat structural member is located in the pulling direction of the buckle 11, so that the first core-pulling slider 4 is inserted into the second core-pulling slider 5, the core pulling of the buckle 11 and the buckle 12 can be realized in a simple structural form, and the space can be saved.

The first T-shaped sliding groove 31 is arranged near the side of the inclined guide post 2, and the second T-shaped sliding groove 32 is arranged near the side of the first core-pulling sliding block 4. If the second T-shaped sliding groove 32 is arranged close to the side of the inclined guide post 2, the sliding rail neck 521 of the second T-shaped sliding rail 52 must be extended to penetrate through the first T-shaped sliding groove 31, and since the volume of the second core-pulling slider 5 is much larger than that of the first core-pulling slider 4, more material needs to be consumed to manufacture the second core-pulling slider 5 by extending the sliding rail neck 521 of the second T-shaped sliding rail 52, and the mass increase of the second core-pulling slider 5 is not beneficial to sliding. The first T-shaped sliding groove 31 is arranged close to the side of the inclined guide post 2, and only the first T-shaped sliding rail 42 needs to be extended, the sectional area of the first T-shaped sliding rail 42 is small, and the material needed for extending the first T-shaped sliding rail 42 is less, so that too much resistance is not generated when the large sliding block 3 pulls the first core-pulling sliding block 4.

The anti-sticking two-stage sliding block structure is provided with two springs 6, and the two springs 6 are symmetrically distributed on two sides of the first core-pulling sliding block 4. And springs 6 are arranged on two sides of the first core-pulling sliding block 4, so that the stress balance of the second core-pulling sliding block 5 is facilitated.

The second core pulling slider 5 comprises a slider body, one side of the slider body is configured to be in the shape which is the same as the outline of the buckling position 11 of the seat structural member so as to form the first forming portion 41, and the other side of the slider body is connected with the second T-shaped slide rail 52 and is provided with a containing hole which is used for containing the spring 6.

The anti-sticking two-stage sliding block structure is provided with two springs 6, and the two springs 6 are symmetrically distributed on two sides of the first core-pulling sliding block 4.

The second core pulling slider 5 comprises a slider body, one side of the slider body is configured to be in the shape which is the same as the outline of the buckling position 11 of the seat structural member so as to form the first forming portion 41, and the other side of the slider body is connected with the second T-shaped slide rail 52 and is provided with a containing hole which is used for containing the spring 6.

The accommodating hole is arranged to guide the extension and retraction of the spring 6, so that the spring 6 is prevented from moving and falling off. Correspondingly, the second core pulling slider 5 is provided with two accommodating holes, and the two accommodating holes are symmetrically arranged on two sides of the through hole 53.

The accommodation hole is not shown in the drawings of the specification without affecting understanding.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (7)

1. An anti-sticking two-stage sliding block structure is characterized by comprising

An inclined guide post;

the large sliding block is in sliding fit with the inclined guide post and moves along a first direction under the driving of the inclined guide post; the big sliding block is provided with a first T-shaped sliding groove and a second T-shaped sliding groove, wherein the second T-shaped sliding groove is provided with a sliding groove neck and a sliding groove head;

the two ends of the first core-pulling sliding block are respectively provided with a first forming part and a first T-shaped sliding rail, the first forming part is used for forming a buckle on a seat structural part, and the first T-shaped sliding rail is matched with the first T-shaped sliding groove so that the first core-pulling sliding block moves towards a first direction under the driving of the large sliding block;

the two ends of the second core-pulling sliding block are respectively provided with a second forming part and a second T-shaped sliding rail, the second forming part is used for forming a buckling position on a seat structural part, and the second T-shaped sliding rail is matched with the second T-shaped sliding groove so that the second core-pulling sliding block moves towards the first direction under the driving of the large sliding block; the second T-shaped sliding rail is provided with a sliding rail neck and a sliding rail head, and the thickness of the sliding rail head is smaller than that of the sliding chute head;

one end of the spring is connected with the large sliding block, and the other end of the spring is connected with the first core-pulling sliding block;

when the die is closed, the spring is in a compressed state, and a first distance is reserved between the end face, facing the neck of the slide rail, of the slide rail head and the inner side face of the chute head.

2. The anti-stiction secondary slider structure according to claim 1,

the first T-shaped sliding groove and the second T-shaped sliding groove are arranged side by side, and the first T-shaped sliding groove is communicated with the second T-shaped sliding groove.

3. The anti-stiction secondary slider structure according to claim 2,

the second core-pulling sliding block is provided with a through hole, the second core-pulling sliding block penetrates through the through hole, and the second forming part penetrates through the through hole.

4. The anti-stiction secondary slider structure according to claim 3,

the first T-shaped sliding groove is arranged close to the side of the inclined guide post, and the second T-shaped sliding groove is arranged close to the side of the first core-pulling sliding block.

5. The anti-stiction secondary slider structure according to claim 3,

the anti-sticking two-stage sliding block structure is provided with two springs which are symmetrically distributed on two sides of the first core-pulling sliding block.

6. The anti-stiction secondary slider structure according to claim 1,

the second core pulling sliding block comprises a sliding block body, one side of the sliding block body is in the shape which is the same as the buckling outline of the seat structural part so as to form the first forming part, the other side of the sliding block body is connected with the second T-shaped sliding rail and is provided with a containing hole, and the containing hole is used for containing the spring.

7. A seat structure mold comprising the anti-sticking secondary slider structure of any of claims 1-6;

the seat structure part mould also comprises a front template and a rear template;

the inclined guide post is fixedly connected with the rear template, and the large sliding block, the first core-pulling sliding block, the second core-pulling sliding block and the spring are all arranged on the rear template.

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