CN220904000U - Ejecting structure of car light decoration - Google Patents

Abstract

The utility model discloses an ejection structure of a car lamp decorating part, which comprises an ejection assembly and a forming module which are formed in a lower module, and a car lamp decorating part which is formed on the forming module and is separated from the forming module by the ejection assembly, wherein a plurality of back-off parts are formed between the car lamp decorating part and the forming module, the ejection assembly comprises a top plate, a driving element for driving the top plate to act, and a plurality of thimble units formed on the top plate, the thimble units are at least arranged corresponding to the back-off parts, or are also connected to the outline side of the car lamp decorating part, and by arranging a plurality of thimble units, the thimble units provide support for the formed car lamp decorating part in the lower module and simultaneously serve as back-off forming surfaces of the car lamp decorating part, and the thimble units provide forming and ejection functions at the same time.

Description

Ejecting structure of car light decoration

Technical Field

The utility model relates to the technical field of dies, in particular to an ejection structure of a car lamp decorating part.

Background

At present, to car light decoration, especially car tail lamp, have red brake lamp lid, and be located the fixed frame and the printing opacity lid of week side, and, its shape is mostly curved surface and have the great radian of span, set up fixed connection post in the tip of car light decoration or its profile department generally, for screw fixed connection, and for guaranteeing the connection stability of car light decoration, the quantity of fixed connection post is a plurality of, and because the restriction of car body mounted position of car light decoration, fixed connection post is mostly the setting of slant, this greatly increased the shaping degree of difficulty and the drawing of patterns degree of difficulty of car light decoration, if set up the drawing of patterns structure of loosing core in the die cavity, then because too much fixed connection post shaping back-off position, lower mould will lose the support after loosing core, lead to the car light decoration to pull out the deformation along with the action of loosing core in-process, especially in the back-off position of shaping fixed connection post, the product damage risk has been increased.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide an ejection structure of a car lamp decorating part.

The technical aim of the utility model is realized by the following technical scheme: the ejection structure of the car light decoration comprises an ejection assembly and a molding module which are formed in a lower module, and a car light decoration which is formed on the molding module and is separated from the molding module by the ejection assembly, wherein a plurality of back-off parts are formed between the car light decoration and the molding module;

The ejection assembly comprises a top plate, a driving element for driving the top plate to act, and a plurality of thimble units formed on the top plate, wherein the thimble units are at least arranged corresponding to the back-off parts, or the thimble units are also connected to the outline side of the car lamp decorating part.

Further, the ejector pin unit is arranged at an included angle relative to the demolding direction of at least one molding unit of the molding module and is supported on the car lamp decorating part.

Further, the car light decoration includes at the transparent piece of primary die cavity internal shaping and lamp decoration spare to and at the frame spare of secondary type intracavity shaping, just transparent piece separates and at least partial framework on the frame spare with the lamp decoration spare, the thimble unit is arranged in the week side of transparent piece, and the coincidence part of lamp decoration spare and frame spare.

Further, the tip of thimble unit is equipped with the kicking block, the kicking block constitutes the molding surface of car light decoration and supports in the profile side of car light decoration.

Further, the molding module is further provided with an auxiliary molding edge formed by overflow of casting materials on the outline side of the car light decorating part, and the top block covers the auxiliary molding edge.

Further, the mold clamping device further comprises a guide unit, wherein the guide unit penetrates through the top plate and is connected into the lower mold set, and/or the guide unit is connected with the top plate and penetrates through the lower mold set and is supported on the upper mold set in a mold clamping state.

Further, the device further comprises an upper module, a primary cavity and a secondary cavity are formed on the upper module, two universal cavities matched with the upper module are formed on the lower module, the lower module is rotated to enable the universal cavities to move to the primary cavity or the secondary cavity, and the driving element is selectively started.

Further, two molding positions are arranged on each of the universal cavity, the primary cavity and the secondary cavity, the top plate extends to the two molding positions, and the driving element and the guide post are arranged on two sides of the top plate.

Further, the action end of the driving element is connected with a first inductive switch and a second inductive switch so as to detect that the action end of the driving element stretches out or withdraws into position.

Compared with the prior art, the utility model has the following advantages and beneficial effects: through setting up a plurality of thimble units, to the fixed connection post on the car light decoration profile, the thimble unit provides the support to fashioned car light decoration in lower module, simultaneously, it still is as the back-off molding surface of car light decoration, the thimble unit provides shaping and ejecting effect simultaneously, to the outline of car light decoration, the ejector pad is connected to the thimble unit, provide the contour shaping boundary of car light decoration by the ejector pad, and provide the support to the overlap that car light decoration contour outside extends, thereby increased the effective ejecting and the effective holding area to the car light decoration, ensure the reliability of car light decoration drawing of patterns action.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic view of a molding module and an ejector assembly according to the present utility model;

fig. 3 is a cross-sectional view of a second guide unit of the present utility model;

Fig. 4 is a cross-sectional view of a first guide unit of the present utility model;

FIG. 5 is a schematic view showing the structure of a vehicle lamp trim of the present utility model;

FIG. 6 is a schematic diagram illustrating the cooperation of the auxiliary side and the top block on the upper module according to the present utility model;

FIG. 7 is a schematic view of the structure of the ejector pin unit, top plate and driving element of the present utility model;

FIG. 8 is a schematic diagram of a first inductive switch and a second inductive switch of the present utility model;

FIG. 9 is a schematic view of the primary cavity and secondary cavity on the upper module of the present utility model;

FIG. 10 is a schematic view of another structure of the primary cavity and the secondary cavity on the upper module of the present utility model;

FIG. 11 is a schematic view of the structure of the universal cavity on the lower module of the present utility model;

FIG. 12 is an enlarged view of FIG. 1 at A;

In the figure: 1. a molding module; 1.1, a core pulling block; 1.2, forming blocks;

2. A vehicle lamp ornament; 2.1, a transparent member; 2.2, a lamp ornament; 2.3, frame members; 2.4, fixing the connecting column; 2.5, a lower molding part; 2.6, forming the upper forming part;

3. A top plate; 4. a driving element; 5. a thimble unit; 5.1, a first thimble; 5.2, a second thimble; 5.3, a third thimble; 5.4, a top block;

6. a back-off part; 6.1, a first back-off; 6.2, second back-off;

7. an auxiliary side; 7.1, a first branch; 7.2, a second branch;

8. a guide unit; 8.1, a first guiding unit; 8.2, a second guiding unit;

9. An upper module; 9.1, a primary cavity; 9.2, a secondary cavity; 10. a lower module; 10.1, a general cavity;

11. A first inductive switch; 12. a second inductive switch;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding and are not used to define any directional or sequential limitation.

As shown in fig. 1-12, an ejector structure of a vehicle lamp decoration 2 comprises an upper module 9 and a lower module 10, wherein a primary cavity 9.1 and a secondary cavity 9.2 are formed on the upper module 9, two universal cavities 10.1 matched with the primary cavity 9.1 and the secondary cavity 9.2 are formed on the lower module 10, at least one group of ejector components is arranged in each universal cavity 10.1, the ejector components form part of the universal cavities 10.1 and are mainly used for forming a back-up part 6 of the vehicle lamp decoration 2, the vehicle lamp decoration 2 is composed of a white light-transmitting part, a red lamp decoration 2.2 and a black frame 2.3, connecting columns for fixing screws are arranged on at least the lamp decoration 2.2 and the frame 2.3, the back-up part 6 is formed in the universal cavities 10.1 in the lower module 10, and the ejector components are mainly used for demolding the back-up part 6 on the vehicle lamp decoration 2.

In the forming process, the lower die set 10 is connected with a rotating disc so as to realize the rotation of the upper die set 9, the lower die set 10 is rotated to enable the universal die cavity to move to the primary die cavity 9.1 or the secondary die cavity 9.2, the purpose of the lower die set 10 is to transfer the car lamp decorating part 2 between the primary die cavity 9.1 and the left universal die cavity 10.1 to the secondary die cavity 9.2 in a rotating mode, the driving element 4 is arranged to act at the secondary die cavity 9.2, in the transferring process, the car lamp decorating part 2 can be kept on the universal die cavity 10.1 and is transferred along with the rotation of the lower die set 10, the ejection assembly is connected with the driving element 4 which works independently, and the driving element 4 is arranged independently so that the car lamp decorating part 2 formed at one time can not be separated during die opening, but can be selectively started on the two universal die cavities 10.1.

As an example, the black frame member 2.3 is used as the periphery to fix and connect the light transmitting member and the lamp ornament 2.2, and in the one-shot forming, the light transmitting member and the lamp ornament 2.2 which are spaced from each other are formed first, then the mold is opened, the ejection assembly is not operated, the light transmitting member and the lamp ornament 2.2 move to the lower part of the secondary cavity 9.2 along with the rotation of the lower mold set 10, then the mold is closed, the injection molding of the frame member 2.3 is performed, the frame member 2.3 fills and connects the space between the lamp ornament 2.2 and the light transmitting member, so that the frame member 2.3, the light transmitting member and the lamp ornament 2.2 form the integral lamp ornament 2, then the mold is opened, the ejection assembly is operated, and the back-fastening part 6 of the lamp ornament 2 after the two-shot forming is ejected.

It should be noted that, in the secondary molding process, the transparent part 2.1 and the lamp decoration part 2.2 are molded at the position of the primary cavity 9.1 at the same time, so that the lower die set 10 rotates after the ejector component below the secondary cavity 9.2 acts, and the transparent part 2.1 and the lamp decoration part 2.2 below the primary cavity 9.1 are transferred to the position below the secondary cavity 9.2, so that the two general cavities 10.1 rotate to the position below the secondary cavity 9.2 in a circulating manner in sequence, and the ejector component in the two general cavities 10.1 sequentially performs ejection work below the secondary cavity 9.2.

As shown in fig. 2, an ejector assembly and a molding module 1 are disposed in the lower module 10, the lamp trim 2 is formed on the molding module 1, and a demolding force is provided by the ejector assembly, so that the lamp trim 2 is ejected from the molding module 1, a plurality of back-off parts 6 are formed between the lamp trim 2 and the molding module 1, and the ejector assembly also forms a molding surface of the back-off parts 6.

Specifically, the ejection assembly includes a top plate 3, a driving element 4 for driving the top plate 3 to act, and a plurality of ejector pin units 5 formed on the top plate 3, wherein the driving element 4 is fixed on the lower module 10, and the ejector pin units 5 are at least arranged corresponding to the back-off parts 6, or the ejector pin units 5 are also received on the contour side of the vehicle lamp decorating part 2.

As shown in fig. 5 and 9, as a further explanation of the lamp trim 2, the lamp trim 2 includes a transparent member 2.1 and a lamp ornament 2.2 molded in a primary cavity 9.1, and a frame member 2.3 molded in a secondary cavity 9.2, with the transparent member 2.1 being spaced from the lamp ornament 2.2 and at least partially framed on the frame member 2.3, a thimble unit 5 being disposed on a peripheral side of the transparent member 2.1, and an overlapping portion of the lamp ornament 2.2 and the frame member 2.3, and a contour side of the lamp trim 2.

As a further embodiment of the present utility model, as shown in fig. 1 and 2, the fixed connection post 2.4 of the lamp trim 2 is formed at different positions, and here, it is set that the lamp trim 2 is formed with a first back-off 6.1 and a second back-off 6.2, wherein the first back-off 6.1 is formed at a profile side of the lamp trim 2 and is disposed about a first direction obliquely downward, and the second back-off 6.2 is formed at a certain angle with respect to a bottom of the lamp trim 2, and the first back-off 6.1 is perpendicular to the second back-off 6.2 as an example.

In order to meet the requirement of demolding of the first back-off 6.1 and the second back-off 6.2, the ejection assembly is applied to the first back-off 6.1, the molding module 1 comprises a core pulling block 1.1 and a molding block 1.2 which are formed in the lower module 10, wherein the core pulling block 1.1 corresponds to the second back-off 6.2, the core pulling block 1.1 is arranged between the lower module 10 and the molding block 1.2 in a sliding manner, and the molding block 1.2 is erected on the core pulling block 1.1 and synchronously moves along with the upper module 9.

Specifically, the thimble assembly is certain contained angle setting with loose core piece 1.1, and be equipped with the through-hole that is used for extending about its direction of movement in the piece 1.1 of loosing core, as an example, the thimble assembly is perpendicular setting with loose core piece 1.1, and the thimble assembly wears to locate in the piece 1.1 of loosing core, thereby in limited activity space, realize the drawing of patterns of a plurality of first back-off 6.1 through the thimble assembly, and, loose core piece 1.1 leaves car light decoration 2 surface at the drawing of patterns in-process, and shaping piece 1.2 still keeps the current position as the shaping component that occupies the shaping face great, in order to provide support to car light decoration 2.

Through the improvement, the demolding of the back-off parts 6 in different directions is realized, the molding quality of each back-off part 6 is ensured, and the setting of the independent driving element 4 of the ejection assembly is benefited, so that after the core pulling block 1.1 finishes the demolding of the second back-off part 6.2, the demolding of the first back-off part 6.1 is performed, and interference caused by different directions of different back-off parts 6 is avoided.

In this embodiment, to further increase the production efficiency of the vehicle lamp trim 2, two molding positions are provided on each of the general cavity 10.1, the primary cavity 9.1 and the secondary cavity 9.2, the top plate 3 extends in the two molding positions, and the driving element 4 and the guide post are disposed on both sides of the top plate 3.

According to the above, the ejector pin unit 5 is arranged at an included angle with respect to the demolding direction of at least one molding unit of the molding module 1, and the ejector pin unit 5 is also used as a back-off part 6 of the automobile lamp decorating part 2 and a molding surface on the profile side, so that the ejector pin unit is always supported on the automobile lamp decorating part 2 in an inclined posture in the demolding process, the mold drawing damage is avoided, and the ejector pin unit arranged at the included angle is beneficial to applying oblique ejection acting force to the curved surface part of the automobile lamp decorating part.

As shown in fig. 3 and 4, the device specifically further includes a guiding unit 8, specifically includes a first guiding unit 8.1 and a second guiding unit 8.2, where the first guiding unit 8.1 penetrates through the top plate 3 and abuts against the lower module 10, and the second guiding unit 8.2 is connected to the top plate 3 and penetrates through the lower module 10 and is supported by the upper module 9 in a mold closing state, where the first guiding unit 8.1 serves as a guide between the top plate 3 and the lower module 10, and the second guiding unit 8.2 serves as a guide between the top plate 3 and the driving element 4, so that accuracy and reliability of the action of the top plate 3 are further optimized, and the second guiding unit 8.2 extends out of the upper module 9 to abut against the upper module 9 in the mold closing state, so as to optimize a positioning effect in the mold closing state.

As a further embodiment of the ejector pin unit 5, the ejector pin unit 5 is divided into a first ejector pin 5.1 supported at the bottom of the profile of the lamp decorative surface, a second ejector pin 5.2 supported at the back-off portion 6 of the lamp decorative surface, and a third ejector pin 5.3 corresponding to the contour side of the lamp decorative surface.

As a further explanation of the lamp trim 2, the lamp trim 2.2 and the frame member 2.3 together form a lower molding portion 2.5 and an upper molding portion which are connected in an arc shape, the second back-off 6.2 corresponding to the core pulling block 1.1 is molded on the lower molding portion 2.5, the first back-off 6.1 corresponding to the second thimble 5.2, and the first thimble 5.1 providing the molding surface and the supporting function acts on the upper molding portion, and the third thimble 5.3 is specifically disposed on the peripheral side of the upper molding portion.

The first thimble 5.1 is preferably disposed at the periphery of the transparent member 2.1, the second thimble 5.2 corresponds to the first back-off 6.1, the first back-off 6.1 is formed at the overlapping position of the lamp decoration member 2.2 and the frame member 2.3, and the frame member 2.3 is close to the transparent member 2.1 and relatively far away from the end and the side end of the lamp decoration member 2.2, so that the thimble unit 5 and the lower module 10 can still provide effective support for the lamp decoration member 2 after the core pulling block 1.1 is separated.

As a further embodiment of the third ejector pin 5.3, an ejector block 5.4 is provided at an end portion of the third ejector pin 5.3, and the ejector block 5.4 constitutes a contour side molding surface of the lamp trim 2 and is supported on a contour side of the lamp trim 2.

As shown in fig. 6, specifically, the molding module 1 is further formed with an auxiliary molding edge 7 formed by overflow of casting material on the contour side of the vehicle lamp decoration 2, and the ejector block 5.4 is covered on the auxiliary molding edge 7, wherein the auxiliary molding edge 7 is composed of a first branch 7.1 extending outside the vehicle lamp decoration 2 and a second branch 7.2 connected with a plurality of the first branches 7.1, so that the contact area between the ejector block 5.4 and the auxiliary molding edge 7 is increased, and in the demolding process, too small supporting surfaces of the ejector block 5.4 and the contour side of the vehicle lamp decoration 2 are effectively avoided, and the deformation of the molded surface of the vehicle lamp decoration 2 in the ejection process is avoided.

As shown in fig. 8, specifically, the actuating end of the driving element 4 is connected with a first inductive switch 11 and a second inductive switch 12 to detect that the actuating end of the driving element 4 extends or retracts to a proper position, where the driving element 4 is preferably an oil cylinder, the two inductive switches with a proper stroke prevent the unexpected occurrence of the action of the oil cylinder, the inductive switches transmit signals to the injection molding machine system, and the system receives a positive confirmation signal and then gives an instruction to perform a next action, so as to avoid the die collision caused by the action failure.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims (9)

1. An ejection structure of a car lamp decorating part (2), which is characterized in that:

Comprises an ejection assembly and a forming module (1) which are formed in a lower module (10), and a car lamp decoration (2) which is formed on the forming module (1) and is separated from the forming module (1) by the ejection assembly, wherein a plurality of back-off parts (6) are formed between the car lamp decoration (2) and the forming module (1)

The ejection assembly comprises a top plate (3), a driving element (4) for driving the top plate (3) to act, and a plurality of thimble units (5) formed on the top plate (3), wherein the thimble units (5) are at least arranged corresponding to the back-off parts (6), or the thimble units (5) are also connected to the outline side of the car lamp decorating part (2).

2. An ejector structure of a lamp trim (2) according to claim 1, characterized in that: the thimble units (5) are arranged at an included angle relative to the demoulding direction of at least one forming unit of the forming module (1) and are supported on the car lamp decorating part (2).

3. An ejector structure of a lamp trim (2) according to claim 1, characterized in that: the car light decoration (2) comprises a transparent part (2.1) and a lamp decoration part (2.2) which are molded in a primary cavity (9.1), and a frame part (2.3) which is molded in the secondary cavity (9.2), wherein the transparent part (2.1) is separated from the lamp decoration part (2.2) and at least partially constructed on the frame part (2.3), and the thimble unit (5) is arranged on the periphery of the transparent part (2.1), and the overlapping part of the lamp decoration part (2.2) and the frame part (2.3).

4. An ejector structure of a lamp trim (2) according to claim 1, characterized in that: the end of the thimble unit (5) is provided with a jacking block (5.4), and the jacking block (5.4) forms a molding surface of the car lamp decorating part (2) and is supported on the outline side of the car lamp decorating part (2).

5. An ejector structure of a lamp trim (2) as claimed in claim 4, characterized in that: the molding module (1) is also provided with an auxiliary side (7) formed by overflow of casting materials on the outline side of the car light decorating part (2), and the top block (5.4) covers the auxiliary side (7).

6. An ejector structure of a lamp trim (2) according to claim 1, characterized in that: the device further comprises a guide unit (8), wherein the guide unit (8) penetrates through the top plate (3) and is connected into the lower module (10), and/or the guide unit (8) is connected with the top plate (3) and penetrates through the lower module (10) and is supported on the upper module (9) in a die clamping state.

7. An ejector structure of a lamp trim (2) according to claim 1, characterized in that: the novel plastic injection molding machine is characterized by further comprising an upper die set (9), wherein a primary die cavity (9.1) and a secondary die cavity (9.2) are formed in the upper die set (9), two universal die cavities matched with the upper die set (9) are formed in the lower die set (10), the lower die set (10) is rotated to enable the universal die cavities to move to the primary die cavity (9.1) or the secondary die cavity (9.2), and the driving element (4) is selectively started.

8. An ejector structure of a lamp trim (2) as claimed in claim 7, characterized in that: two forming positions are arranged on each universal cavity (10.1), each primary cavity (9.1) and each secondary cavity (9.2), the top plate (3) extends to the two forming positions, and the driving element (4) and the guide column are arranged on two sides of the top plate (3).

9. An ejector structure of a lamp trim (2) according to claim 1, characterized in that: the actuating end of the driving element (4) is connected with a first inductive switch (11) and a second inductive switch (12) to detect that the actuating end of the driving element (4) stretches out or withdraws into position.