CN113414953A

CN113414953A - Daytime running lamp cover plate and demoulding mechanism

Info

Publication number: CN113414953A
Application number: CN202110847225.0A
Authority: CN
Inventors: 刘洋; 杨书辉
Original assignee: Chongqing Baling Automobile Parts Co ltd
Current assignee: Chongqing Baling Automobile Parts Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-09-21

Abstract

The invention discloses a cover plate of a daytime running lamp and a demoulding mechanism. The upper end of a male die of the demolding mechanism is provided with a V-shaped protruding portion, notches are distributed on the V-shaped protruding portion, a top block is assembled in each notch in a vertically sliding mode, the upper surfaces of the top block and the V-shaped protruding portion are matched with the V-shaped grooves, a first forming structure is arranged on the side portion of each top block, a second forming structure is arranged on the side wall of each notch, and the second forming structure and the first forming structure surround to form a forming cavity matched with the anti-deformation beam. The invention has the beneficial effects that: on the basis of ensuring the structural strength, the defects of dents, concave lines, shadows and the like on the surface A of the product are avoided. The demoulding mechanism is simple, ingenious and reasonable in structure arrangement, and the cover plate body with the anti-deformation beam can be demoulded through simple movement.

Description

Daytime running lamp cover plate and demoulding mechanism

Technical Field

The invention relates to the technical field of automobile parts, in particular to a cover plate of a daytime running lamp and a demoulding mechanism.

Background

Injection molding is a molding process that combines injection molding with molding, and has many advantages, such as: high production efficiency, continuous automatic operation, diversified product shapes, capability of forming plastic products with complex structures and the like from simple to complex and from large to small.

Due to the influence of various factors such as product structure, injection pressure, molding temperature and the like, the plastic product is easy to shrink after molding, namely, the surface of a finished product is easy to have concave marks, and the shrinkage is easy to occur particularly under the influence of the wall thickness factor of the product.

Use car driving light apron between daytime as an example, driving light apron between daytime is for adapting to the figurative demand of product, its rear side has V type groove structure, in prior art, in order to guarantee structural strength, the shaping has the strengthening rib rather than the profile trend unanimity on the inner wall in V type groove, the strengthening rib is along whole V type wall setting promptly, because the strengthening rib has increased driving light apron between daytime, so can lead to driving light apron A face shrinking in the position that corresponds the strengthening rib, the dent appears, defects such as dimpled grain or shade, seriously influence product appearance quality.

Disclosure of Invention

In view of this, the present invention provides a cover plate for a daytime running light, which avoids the defects of dents, dents or shadows on the surface a of the product on the basis of ensuring the structural strength.

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

the utility model provides a daytime running lamp apron, includes the apron body, the outside of apron body has the bulge, the inboard position shaping that corresponds the bulge of apron body has V type groove, and its key lies in: and an anti-deformation beam is integrally formed between two sides of the notch of the V-shaped groove.

Above-mentioned deformation beam setting is in the notch department in V type groove, can guarantee the structural strength of apron body, and the product can not appear shrinking after the cooling is stereotyped in the mould, guarantees that the A face of product has higher appearance quality.

Preferably, the method comprises the following steps: the cross-section of the anti-deformation beam is of a T-shaped structure and comprises a horizontal section and a longitudinal section extending from the middle of the horizontal section to one side. By adopting the structure, the strength is high, and the T-shaped structural design is also beneficial to demoulding of products.

Preferably, the method comprises the following steps: the deformation-preventing beam is obliquely arranged relative to the length direction of the V-shaped groove. By adopting the structure, the demolding of the product is facilitated.

Preferably, the method comprises the following steps: the inboard of apron body has three group V type grooves, three groups the one end in V type groove is gathered together, and wherein a set of it has three groups to distribute in the V type groove prevent the deformation roof beam, two sets of in addition each be equipped with a set ofly in the V type groove prevent the deformation roof beam. By adopting the structure, the requirement of product modeling can be met, and the product is ensured to have better structural strength.

Because the anti-deformation beam is arranged at the notch of the V-shaped groove, compared with the existing cover plate structure, the demoulding of the cover plate body has great technical difficulty, therefore, in order to solve the technical problem that the demoulding of the cover plate body with the anti-deformation beam is difficult, the invention also provides another invention, and the technical scheme is as follows:

the utility model provides a demoulding mechanism which the main points lie in: the anti-deformation beam forming die comprises a male die, wherein a V-shaped protruding portion is arranged at the upper end of the male die, notches are distributed in the V-shaped protruding portion, a top block is assembled in the notches in a vertically sliding mode, the upper surface of the top block and the upper surface of the V-shaped protruding portion are matched with the V-shaped groove, a first forming structure is arranged on the side portion of the top block, a second forming structure is arranged on the side wall of each notch, and the second forming structure and the first forming structure are encircled to form a forming cavity matched with the anti-deformation beam;

the punch structure is characterized by further comprising a supporting plate located below the punch, the supporting plate can slide along the height direction of the punch, and a transmission assembly is arranged between the supporting plate and the ejecting block and used for driving the ejecting block to move up and down.

Adopt above-mentioned demoulding mechanism, during the product pouring, the V type groove of apron body is shaping on V type bellying, and the roof beam of preventing warping is shaping in the shaping intracavity, and the apron body is after the cooling design in the mould, and the backup pad rebound promotes the kicking block to shift up, drives the apron body and wholly shifts up to at this in-process, first forming structure can separate with second forming structure, thereby makes the roof beam of preapring for an unfavorable turn of events along with the synchronous upward movement of apron body, thereby realizes the drawing of patterns.

Preferably, the method comprises the following steps: the molding cavity is configured in a T-shaped structure. The first forming structure comprises a longitudinal notch formed in the side part of the top block and a left notch formed in the inner side of the upper end of the longitudinal notch, and the second forming structure is in a step-shaped structure and is located below the top wall of the longitudinal notch. By adopting the structure, when the jacking block moves upwards, the first forming structure and the second forming structure can be separated, so that the T-shaped anti-deformation beam moves upwards along with the cover plate body synchronously and breaks away from the cavity of the mold.

Preferably, the method comprises the following steps: the transmission assembly comprises a sliding seat fixedly arranged on the supporting plate, a sliding block arranged on the sliding seat in a sliding mode along the horizontal direction, and an ejector rod connected between the sliding block and the ejector block, wherein the ejector rod is arranged in the convex die in a sliding mode in an inclined mode. Adopt above-mentioned structure, can drive the rebound of kicking block slope, when the apron body promoted to the highest position, "T" style of calligraphy prevent that the deformation roof beam can break away from in first shaping structure from the horizontal direction for the apron body breaks away from completely on the terrace die.

Compared with the prior art, the invention has the beneficial effects that:

1. the deformation-preventing beam is arranged at the notch of the V-shaped groove, so that the structural strength of the cover plate body is guaranteed, and the strength is even superior to that of a traditional reinforcing rib.

2. The deformation-preventing beam is arranged at the notch of the V-shaped groove, the uniformity of the wall thickness of the cover plate body can be guaranteed, the product is prevented from shrinking in the cooling forming process, and the A surface of the product is guaranteed to have higher appearance quality.

3. The T-shaped anti-deformation beam is high in structural strength and can ensure the uniformity of wall thickness.

4. The demoulding mechanism is simple, ingenious and reasonable in structure arrangement, and the cover plate body with the anti-deformation beam can be demoulded through simple movement.

Drawings

FIG. 1 is a schematic view of the construction of a daytime running light cover (inside-out view);

FIG. 2 is a schematic view of the structure of a daytime running light cover (A facing outward in view);

fig. 3 is a sectional view of the ejector mechanism;

fig. 4 is a sectional view of the mold-releasing mechanism in a use state.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

The surface a referred to in this embodiment refers to the outside of the cover plate of the daytime running light, namely: the cover plate of the daytime running lamp can be directly observed by naked eyes after being installed on an automobile.

As shown in figures 1 and 2, a daytime running lamp apron, including the apron body 1 that adopts injection molding process integrated into one piece, the outside of apron body 1 has three groups of bulges 1a, and the equal shaping in position that the inboard bulge 1a that corresponds of apron body 1 has V type groove 1b, and the one end in three groups of V type grooves 1b is gathered together, each integrated into one piece has anti-deformation roof beam 1c between the both sides of V type groove 1b notch, improves the structural strength of apron body 1 through anti-deformation roof beam 1c that notch department set up, and its reinforcing effect is superior to the intensity of traditional strengthening rib.

Referring to fig. 4, in the present embodiment, the section of the deformation-preventing beam 1c is a "T" shaped structure, the "T" shaped structure includes a horizontal section 1c1 and a longitudinal section 1c2 extending downward from the middle of the horizontal section 1c1, the T-shaped deformation-preventing beam 1c can ensure the uniformity of the wall thickness of each part of the cover plate body 1, and can prevent the product from shrinking during the cooling forming process, thereby ensuring that the a surface of the product has higher appearance quality.

In order to meet the requirement of product modeling and ensure that the product has better structural strength, three groups of deformation-preventing beams 1c are distributed in one group of V-shaped grooves 1b in the V-shaped grooves 1b, and a group of deformation-preventing beams 1c are respectively arranged in the other two groups of V-shaped grooves 1 b.

As shown in fig. 3 and 4, the demolding mechanism is helpful for rapid and smooth demolding of the cover plate body 1 with the deformation-preventing beam 1c, and includes a male die 2, a V-shaped protrusion 2a is arranged at the upper end of the male die 2, the outer contour of the V-shaped protrusion 2a is matched with a V-shaped groove 1b of the cover plate body 1, notches 2b are distributed on the V-shaped protrusion 2a, top blocks 3 are arranged in the notches 2b, the upper surfaces of the top blocks 3 and the upper surfaces of the V-shaped protrusion 2a jointly form a shaping surface of the inner wall of the V-shaped groove 1b, a first shaping structure 4a is arranged on the side portion of each top block 3, a second shaping structure 4b is arranged on the side wall of each notch 2b, the second shaping structure 4b and the first shaping structure 4a form a shaping cavity 4 in a surrounding manner, and the shaping cavity 4 is matched with the deformation-preventing beam 1 c.

The lower part of the male die 2 is provided with a supporting plate 5 capable of sliding along the height direction of the male die, a transmission assembly 6 is arranged between the supporting plate 5 and the ejector block 3, the transmission assembly 6 comprises a sliding seat 6a, a sliding block 6b and an ejector rod 6c, wherein the sliding seat 6a is fixedly arranged on the supporting plate 5, the sliding block 6b is connected to the sliding seat 6a in a sliding mode, the sliding direction of the sliding seat is the horizontal direction of the male die 2, the ejector rod 6c is arranged in the male die 2 in a sliding mode in an inclined mode, and the upper end and the lower end of the ejector rod 6c are respectively fixed on the ejector block 3 and the sliding block 6 b.

In the injection mold to which the demolding mechanism is applied, the female mold, the pouring system, the hydraulic driving system and the like are all the existing mature technologies, and are not described herein again. During the product pouring, the shaping on V type bellying 2a of V type groove 1b of apron body 1, prevent deformation roof beam 1c shaping in shaping chamber 4, apron body 1 is after the cooling design in the mould, backup pad 5 rebound, then under drive assembly 6's effect, promote kicking block 3 and remove along the direction of going up to one side, this process not only can drive apron body 1 and wholly shift up, and can make first forming structure 4a and the separation of second forming structure 4b, thereby make and prevent deformation roof beam 1c along with apron body 1 synchronous upward movement, when apron body 1 is promoted to the highest position, the shape roof beam 1c of preapring for an unfavorable turn of "T" style of calligraphy also can break away from in first forming structure 4a from the horizontal direction, thereby realize the thorough drawing of patterns of apron body 1.

As shown in fig. 1 and 4, the deformation-preventing beam 1c is inclined with respect to the length direction of the V-shaped groove 1b, and since the V-shaped protrusion 2a at the upper end of the male die 2 is inclined, the V-shaped groove 1b is inclined after the product is molded in the die, and the deformation-preventing beam 1c having the "T" -shaped structure is vertical, and such a structural design is also advantageous for the T-shaped deformation-preventing beam 1c to be removed from the molding cavity 4 when the top block 3 moves upward.

Further, as shown in fig. 3, in order to ensure that the first forming structure 4a is separated from the second forming structure 4b when the top block 3 moves upward, the first forming structure 4a is composed of a longitudinal notch a formed at a side portion of the top block 3 and a left notch c formed inside an upper end of the longitudinal notch a, the second forming structure 4b is in a step-shaped configuration and is located below a top wall of the longitudinal notch a, and a right notch b is formed between an upper end of the second forming structure 4b and the top wall of the longitudinal notch a, the left notch c and the right notch b are used for forming a horizontal section 1c1 of the T-shaped anti-deformation beam 1c, and a longitudinal section 1c2 of the T-shaped anti-deformation beam 1c is formed between a side wall of the longitudinal notch a and a left end of the second forming structure 4 b.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a daytime running lamp apron, includes apron body (1), the outside of apron body (1) has bulge (1a), the inboard position shaping that corresponds bulge (1a) of apron body (1) has V type groove (1b), its characterized in that: and an anti-deformation beam (1c) is integrally formed between two sides of the notch of the V-shaped groove (1 b).

2. The daytime running light cover plate according to claim 1, characterized in that: the section of the deformation-preventing beam (1c) is of a T-shaped structure and comprises a horizontal section (1c1) and a longitudinal section (1c2) extending from the middle of the horizontal section (1c1) to one side.

3. The daytime running light cover plate according to claim 1, characterized in that: the deformation-preventing beam (1c) is obliquely arranged relative to the length direction of the V-shaped groove (1 b).

4. The daytime running light cover plate according to claim 1, characterized in that: the inboard of apron body (1) has three group V type grooves (1b), three groups the one end of V type groove (1b) is gathered together, wherein a set of it has three groups to distribute in V type groove (1b) prevent warp roof beam (1c), two sets of in addition respectively be equipped with a set ofly in V type groove (1b) prevent warp roof beam (1 c).

5. A demoulding mechanism is characterized in that: the anti-deformation beam forming device comprises a male die (2), wherein a V-shaped protruding portion (2a) is arranged at the upper end of the male die (2), a notch (2b) is distributed on the V-shaped protruding portion (2a), a top block (3) is assembled in the notch (2b) in a vertically sliding mode, the upper surface of the top block (3) and the upper surface of the V-shaped protruding portion (2a) are matched with the V-shaped groove (1b), a first forming structure (4a) is arranged on the side portion of the top block (3), a second forming structure (4b) is arranged on the side wall of the notch (2b), and the second forming structure (4b) and the first forming structure (4a) surround to form a forming cavity (4) matched with the anti-deformation beam (1 c);

the punch is characterized by further comprising a supporting plate (5) located below the punch (2), the supporting plate (5) can slide along the height direction of the punch (2), and a transmission assembly (6) is arranged between the supporting plate (5) and the ejector block (3) and used for driving the ejector block (3) to move up and down.

6. The ejector mechanism of claim 5, wherein: the forming cavity (4) is constructed in a T-shaped structure.

7. The ejector mechanism of claim 6, wherein: the first forming structure (4a) comprises a longitudinal notch (a) formed at the side part of the top block (3) and a left notch (c) formed at the inner side of the upper end of the longitudinal notch (a), and the second forming structure (4b) is in a step-shaped structure and is positioned below the top wall of the longitudinal notch (a).

8. The ejector mechanism of claim 5, wherein: the transmission assembly (6) comprises a sliding seat (6a) fixedly arranged on the supporting plate (5), a sliding block (6b) arranged on the sliding seat (6a) in a sliding mode along the horizontal direction, and a push rod (6c) connected between the sliding block (6b) and the push block (3), wherein the push rod (6c) is arranged in the male die (2) in a sliding mode in an inclined mode.