CN213733071U

CN213733071U - Mould core-pulling mechanism of automobile lamp shell

Info

Publication number: CN213733071U
Application number: CN202021680776.XU
Authority: CN
Inventors: 徐鑫山; 马文珺; 邓远勇; 张心亮
Original assignee: Anhui Kezheng Mould Co ltd
Current assignee: Anhui Kezheng Mould Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-07-20
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to the technical field of injection molds for automobile parts, in particular to a mold core pulling mechanism for automobile lamp shells, which comprises an upper mold block, a core pulling structure and a lower mold block, the utility model discloses a set inclined guide post, a connecting sleeve is sleeved in a core pulling cavity on the inclined guide post, the bottom of the connecting sleeve is connected with a telescopic rod and a spring, so that the core pulling process of the core pulling structure is completed by the upper mold block and the lower mold block while the mold is opened, the quality of parts is ensured, the connecting sleeve and an insert needle are arranged in the core pulling cavity, the core pulling cavity is connected with the lower mold block through a disassembling block and is fixed by a fixing screw, the whole core pulling structure is simpler and more compact, the occupied space is less, the price is low, the popularization and the use is easy, the insert needle is arranged at one end of the connecting sleeve, and the insert needle is in threaded connection with the connecting sleeve through a threaded sleeve, the insert needle is convenient and fast to replace, the insert needle is arranged on the side of the connecting sleeve, so that the insert pins adhered to the plastic can be better removed.

Description

Mould core-pulling mechanism of automobile lamp shell

Technical Field

The utility model relates to an auto-parts injection mold technical field specifically is a mechanism of loosing core of mould of car light shell.

Background

The injection mold is a tool for producing plastic products through injection molding, and is a tool for producing some parts with complex shapes in batch, particularly, a heated and melted material is injected into a cavity from high pressure and is cooled and solidified to obtain a formed product, when the side wall of the product is provided with holes and grooves, the plastic product cannot be directly separated from the mold, the formed parts of the formed holes and the grooves are required to be made into movable parts called movable cores, and a mechanism for finishing movable extraction and reset is called a core pulling mechanism.

At present, a plurality of holes or grooves are usually formed in some automobile lamp shells in the market, so that a plurality of core-pulling mechanisms are needed to realize core-pulling operation, however, a common core-pulling mechanism occupies some space, and the plurality of core-pulling mechanisms cause the volume of the whole mold to be large, so that the manufacturing cost is high, the occupied space is large, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould mechanism of loosing core of car lamp body to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a core pulling mechanism for mould of car lamp shell, includes the module, looses core structure and lower module, it is formed with the die cavity to go up in the middle of the corresponding lock of module and lower module, it is provided with the structure of loosing core with lower module both sides junction to go up the module, two the structure of loosing core contains the connecting block and looses the core the chamber, the connecting block sets up the bottom at last module, the connecting block in-connection has oblique guide post, it sets up the top at module down to loose core the chamber, loose core intracavity chamber bottom one side and seted up the spacing groove, loose core intracavity chamber bottom opposite side and install the telescopic link, the adapter sleeve is installed at the telescopic link top, the trepanning has been seted up at the adapter sleeve top, adapter sleeve one end is connected with inlays the needle, adapter sleeve side-mounting has the vibrations piece, loose core chamber top side is connected with the dismouting piece in lower module top.

Preferably, the inclined guide column is obliquely arranged in the connecting block, and penetrates through the connecting block and the core-pulling cavity to be connected with the limiting groove.

Preferably, the cover hole is inclined and matched with the inclined guide column, and the connecting sleeve is movably connected with the inclined guide column through the cover hole, so that the connecting sleeve can slide on the inclined guide column conveniently.

Preferably, the bottom of the telescopic rod is sleeved with the spring, and the bottom end of the telescopic rod is connected with the bottom of the inner cavity of the core-pulling cavity and the bottom of the connecting sleeve through the rotating shaft, so that the telescopic rod can drive the connecting sleeve to reset conveniently.

Preferably, the dismounting block is fixedly connected with the lower module through a fixing screw, so that the core-pulling cavity is more firmly fixed on the lower module.

Preferably, the insert needle penetrates through the core-pulling cavity to be communicated with the cavity, and the insert needle is in threaded connection with the connecting sleeve through the threaded sleeve, so that the insert needle and the connecting sleeve are convenient to detach and mount.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the inclined guide post, the connecting sleeve is sleeved in the core-pulling cavity on the inclined guide post, the bottom of the connecting sleeve is connected with the telescopic rod and the spring, so that the core-pulling process of the core-pulling structure is completed by the upper module and the lower module while the mould is opened, the quality of parts is ensured, by arranging the connecting sleeve and the insert pin in the core-pulling cavity, and connecting the core-pulling cavity with the lower module through the detaching block, and is fixed by a fixing screw, so that the whole core pulling structure is simpler and more compact, occupies less space, has low price and is easy to popularize and use, by arranging the insert pin at one end of the connecting sleeve and connecting the insert pin with the connecting sleeve through the threaded sleeve, only the insert pin needs to be replaced when the insert pin is damaged, the cost is saved, and change the inlay needle convenient and fast, through set up the vibrations piece in the adapter sleeve side for the inlay needle can produce a vibration at the in-process of loosing core, makes the inlay needle of adhesion on plastics can drop better.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the core pulling structure of the present invention;

fig. 3 is a schematic view of the insert pin of the present invention.

In the figure: 1. an upper module; 2. a core pulling structure; 3. a lower module; 4. a cavity; 5. connecting blocks; 6. an oblique guide post; 7. a core-pulling cavity; 8. a limiting groove; 9. a telescopic rod; 10. a spring; 11. connecting sleeves; 12. a vibration block; 13. inserting a needle; 14. trepanning; 15. a threaded sleeve; 16. disassembling and assembling the blocks; 17. a set screw; 18. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a core-pulling mechanism for a mould of an automobile lamp shell comprises an upper module 1, core pulling structure 2 and lower module 3, be formed with die cavity 4 in the middle of last module 1 and the corresponding lock of lower module 3, it is provided with core pulling structure 2 to go up module 1 and lower module 3 both sides junction, two core pulling structure 2 contain connecting block 5 and loose core chamber 7, connecting block 5 sets up the bottom at last module 1, connecting block 5 in-connection has oblique guide post 6, loose core chamber 7 sets up the top at module 3 down, spacing groove 8 has been seted up to 7 inner chamber bottom one side in the chamber of loosing core, 7 inner chamber bottom opposite sides in the chamber of loosing core are installed telescopic link 9, adapter sleeve 11 is installed at telescopic link 9 top, trepanning 14 has been seted up at adapter sleeve 11 top, adapter sleeve 11 one end is connected with inlays needle 13, adapter sleeve 11 side-mounting has

vibrations piece

12, 7 top sides in the lower module 3 top of the chamber of loosing core are connected with dismouting piece 16.

Furthermore, the oblique guide post 6 is obliquely arranged in the connecting block 5, and the oblique guide post 6 penetrates through the connecting block 5 and the core-pulling cavity 7 to be connected with the limiting groove 8.

Furthermore, the sleeve hole 14 is obliquely arranged and matched with the oblique guide column 6, and the connecting sleeve 11 is movably connected with the oblique guide column 6 through the sleeve hole 14, so that the connecting sleeve 11 can slide on the oblique guide column 6 conveniently.

Further, the bottom of the telescopic rod 9 is sleeved with a spring 10, and the bottom end of the telescopic rod 9 is connected with the bottom of the inner cavity of the core-pulling cavity 7 and the bottom of the connecting sleeve 11 through a rotating shaft 18, so that the telescopic rod 9 can drive the connecting sleeve 11 to reset.

Furthermore, the dismounting block 16 is fixedly connected with the lower module 3 through a fixing screw 17, so that the core-pulling cavity 7 is more firmly fixed on the lower module 3.

Furthermore, the insert pin 13 passes through the core-pulling cavity 7 to be communicated with the cavity 4, and the insert pin 13 is in threaded connection with the connecting sleeve 11 through the threaded sleeve 15, so that the insert pin 13 and the connecting sleeve 11 can be conveniently detached and installed.

The working principle is as follows: during the process of opening the mold, the lower mold block 3 moves downwards, because the connecting sleeve 11 and the inclined guide column 6 can slide relatively, the connecting sleeve 11 slides outwards under the action of the inclined guide column 6, so that the telescopic rod 9 and the spring 10 are compressed, the insert pin 13 also moves outwards, the insert pin 13 is separated from the side surface of the molded part in the cavity 4, and the lateral demolding is completed. Namely, in the mold opening process of the upper mold plate 1 and the lower mold plate 3, the lateral demolding of the part can be completed.

The utility model has the advantages that the inclined guide post 6 is arranged, the connecting sleeve 11 is sleeved in the core-pulling cavity 7 on the inclined guide post 6, the bottom of the connecting sleeve 11 is connected with the telescopic rod 9 and the spring 10, so that the core-pulling process of the core-pulling structure is completed by the upper module 1 and the lower module 3 when the mould is opened, the quality of parts is ensured, the connecting sleeve 11 and the insert pin 13 are arranged in the core-pulling cavity 7, the core-pulling cavity 7 is connected with the lower module 3 through the dismounting block 16 and is fixed by the fixing screw 17, the whole core-pulling structure 2 is simpler and more compact, the occupied space is less, the price is low, the popularization and the use are easy, the insert pin 13 is arranged at one end of the connecting sleeve 11, the insert pin 13 is in threaded connection with the connecting sleeve 11 through the threaded sleeve 15, thus, only the insert pin 13 needs to be replaced when the insert pin 13 is damaged, the cost is saved, and the insert pin 13 is convenient and quick to replace, the vibrating block 12 is arranged at the side surface of the connecting sleeve 11, the insert pin 13 can generate vibration in the core pulling process, so that the insert pin 13 adhered to the plastic can be better separated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a core mechanism is pulled to mould of car light shell, includes module (1), structure (2) and lower module (3) of loosing core, its characterized in that: the core pulling mechanism is characterized in that a cavity (4) is formed between the upper module (1) and the lower module (3) in a corresponding buckling mode, core pulling structures (2) are arranged at the joints of the two sides of the upper module (1) and the lower module (3), the two core pulling structures (2) comprise connecting blocks (5) and core pulling cavities (7), the connecting blocks (5) are arranged at the bottom of the upper module (1), oblique guide columns (6) are connected in the connecting blocks (5), the core pulling cavities (7) are arranged at the top of the lower module (3), a limiting groove (8) is formed in one side of the bottom of the inner cavity of each core pulling cavity (7), a telescopic rod (9) is installed on the other side of the bottom of the inner cavity of each core pulling cavity (7), a connecting sleeve (11) is installed at the top of the telescopic rod (9), a trepanning (14) is formed in the top of the connecting sleeve (11), an inlaying needle (13) is connected to one end of the connecting sleeve (11), the side surface of the connecting sleeve (11) is provided with a vibration block (12), and the side surface of the top of the core-pulling cavity (7) is connected with a dismounting block (16) at the top of the lower module (3).

2. The mold core-pulling mechanism of the automobile lamp housing according to claim 1, characterized in that: the inclined guide post (6) is obliquely arranged in the connecting block (5), and the inclined guide post (6) penetrates through the connecting block (5) and the core-pulling cavity (7) to be connected with the limiting groove (8).

3. The mold core-pulling mechanism of the automobile lamp housing according to claim 1, characterized in that: the connecting sleeve (11) is movably connected with the inclined guide column (6) through the sleeve hole (14).

4. The mold core-pulling mechanism of the automobile lamp housing according to claim 1, characterized in that: the bottom of the telescopic rod (9) is sleeved with a spring (10), and the bottom end of the telescopic rod (9) is connected with the bottom of the inner cavity of the core-pulling cavity (7) and the bottom of the connecting sleeve (11) through a rotating shaft (18).

5. The mold core-pulling mechanism of the automobile lamp housing according to claim 1, characterized in that: the dismounting block (16) is fixedly connected with the lower module (3) through a fixing screw (17).

6. The mold core-pulling mechanism of the automobile lamp housing according to claim 1, characterized in that: the insert needle (13) penetrates through the core-pulling cavity (7) to be communicated with the cavity (4), and the insert needle (13) is in threaded connection with the connecting sleeve (11) through a threaded sleeve (15).