CN210590383U

CN210590383U - Automobile lampshade injection mold

Info

Publication number: CN210590383U
Application number: CN201921118619.7U
Authority: CN
Inventors: 廖真
Original assignee: Shenzhen Huifengxin Technology Co ltd
Current assignee: Shenzhen Huifengxin Technology Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-05-22
Anticipated expiration: 2029-07-17

Abstract

The utility model provides an automobile lampshade injection mold, belongs to mould technical field, including corresponding movable mould base and the cover half base that sets up, the movable mould base with be provided with movable mould and cover half on the cover half base opposite face respectively, the cover half with the movable mould cooperates the common die cavity that is used for the shaping that forms mutually, be provided with the slip chamber on the cover half base, it is provided with first elastic component and forced induction ware to slide the intracavity, first elastic component both ends are connected respectively the cover half with forced induction ware, forced induction ware support in on the inside bottom surface of slip chamber, still be provided with a plurality of second elastic components, electro-magnet and break away from the piece, all on the cover half base the second elastic component supports jointly break away from a bottom surface. The utility model discloses after the completion of moulding plastics, through pressure sensor, electro-magnet and the combined action that breaks away from the piece, can be ejecting with car light lamp shade, improved drawing of patterns speed greatly, saved the time to production efficiency has been improved.

Description

Automobile lampshade injection mold

Technical Field

The utility model belongs to the technical field of the mould, concretely relates to automobile lampshade injection mould.

Background

The mould is a basic technological equipment in manufacturing industry, and its function is to control and limit the flow of material to make it form required body, and the mould can be used for making component, so that its efficiency is high, product quality is good, material consumption is low and production cost is low, so that it can be extensively used in manufacturing industry.

The mold industry is the basic industry of national economy and is the internationally recognized key industry, the level of the mold production technology is an important mark for measuring the level of the national product manufacturing level, and the level determines the quality, the benefit and the development capacity of a new product to a great extent.

The existing automobile lamp shade mold is inconvenient to use, low in automation degree, low in injection molding speed, time-wasting and difficult to demold.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an injection mold for automobile lamp shades, which comprises a movable mold base and a fixed mold base which are correspondingly arranged, wherein the opposite surfaces of the movable mold base and the fixed mold base are respectively provided with a movable mold and a fixed mold, the fixed mold and the movable mold are mutually matched to jointly form a mold cavity for molding, the fixed mold base is provided with a sliding cavity, a first elastic part and a pressure sensor are arranged in the sliding cavity, the two ends of the first elastic part are respectively connected with the fixed mold and the pressure sensor, the pressure sensor is supported on the bottom surface in the sliding cavity, the fixed mold base is also provided with a plurality of second elastic parts, electromagnets and release parts, each electromagnet is supported on the fixed mold base, the top end of each electromagnet supports the bottom of the second elastic part, and all the second elastic parts jointly support the bottom surface of the release part, the separating piece is sleeved on the fixed die, an injection molding pipe is arranged on the movable die base and penetrates through the movable die base and the movable die, and when the pressure sensed by the pressure sensor reaches a first threshold value, all the electromagnets enhance the magnetic force to compress the corresponding second elastic pieces so that the separating piece moves below the fixed die; when the pressure sensed by the pressure sensor reaches a second threshold value, all the electromagnets weaken the magnetic force to release the corresponding second elastic pieces so that the separating pieces move to the upper part of the fixed die.

Preferably, a guide rod extends from the bottom of the fixed die, a guide cavity is formed in the bottom of the sliding cavity, and the guide rod moves up and down in the guide cavity so that the fixed die moves in the sliding cavity along a predetermined direction.

Preferably, the first elastic member is sleeved on the guide rod.

Preferably, the second elastic member is made of iron or magnetic material.

Preferably, a circle of concave ring is arranged at the edge position of the disengaging part, a circle of protruding ring is arranged at the edge position of the surface of the movable mold base, which is opposite to the disengaging part, and the protruding ring is correspondingly arranged in the concave ring.

Preferably, a concave cavity and a protrusion are respectively arranged on the opposite surfaces of the disengaging piece and the movable mold base, and the protrusion is correspondingly inserted into the concave cavity.

Preferably, an exhaust pipe is arranged on the movable mold base and penetrates through the movable mold base and the movable mold.

Preferably, break away from the piece with be provided with gag lever post and spacing chamber on the cover half base opposite face respectively, the gag lever post inserts correspondingly spacing intracavity and with the inner wall in spacing chamber is hugged closely.

Preferably, a cooling water pipe is arranged on the movable mold base and penetrates through the movable mold base and the movable mold.

Preferably, a ring of sealing rings are arranged at the connection part of the disengaging member and the fixed die.

The utility model provides a pair of elevator flat bed antiskid, beneficial effect lies in:

the utility model discloses after the completion of moulding plastics, through pressure sensor, electro-magnet and the combined action that breaks away from the piece, can be ejecting with car light lamp shade, improved drawing of patterns speed greatly, saved the time to production efficiency has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an injection mold for an automotive lamp cover according to a first embodiment of the present invention;

FIG. 2 is a schematic structural view of an injection mold for an automotive lamp cover according to a second embodiment of the present invention;

FIG. 3 is a schematic structural view of an injection mold for an automotive lamp cover according to a third embodiment of the present invention;

FIG. 4 is a schematic diagram of a separated state of an injection mold for an automotive lamp cover according to the present invention;

fig. 5 is a schematic view of a pressing state of an injection mold for an automotive lamp cover.

In the figure: the fixed die structure comprises a fixed die base 10, a sliding cavity 11, a fixed die 12, a first elastic part 13, a pressure sensor 14, a second elastic part 15, an electromagnet 16, a disengaging part 17, a guide rod 18, a guide cavity 19, a limiting rod 101, a limiting cavity 102, a sunken ring 103, a sunken cavity 104, a sealing ring 105, a movable die base 20, a movable die 21, an injection molding pipe 22, an exhaust pipe 23, a protruding ring 24, a protruding body 25 and a cooling water pipe 26.

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.

As shown in fig. 1-5, the utility model provides an injection mold for automobile lamp shade, which comprises a movable mold base 20 and a fixed mold base 10 which are correspondingly arranged, a movable mold 21 and a fixed mold 12 are respectively arranged on the opposite surfaces of the movable mold base 20 and the fixed mold base 10, the fixed mold 12 and the movable mold 21 are mutually matched to jointly form a mold cavity for molding, a sliding cavity 11 is arranged on the fixed mold base 10, a first elastic part 13 and a pressure sensor 14 are arranged in the sliding cavity 11, two ends of the first elastic part 13 are respectively connected with the fixed mold 12 and the pressure sensor 14, the pressure sensor 14 is supported on the bottom surface inside the sliding cavity 11, a plurality of second elastic parts 15, an electromagnet 16 and a separating part 17 are further arranged on the fixed mold base 10, each electromagnet 16 is supported on the fixed mold base 10 and the top end thereof supports the bottom of the second elastic part 15, all the second elastic pieces 15 support the bottom surface of the release piece 17 together, the release piece 17 is sleeved on the fixed die 12, an injection molding pipe 22 is arranged on the movable die base 20, the injection molding pipe 22 penetrates through the movable die base 20 and the movable die 21, and the pressure sensor 14 is electrically connected with the electromagnet 16.

In the present embodiment, as shown in fig. 2, the movable mold base 20 is provided with an exhaust pipe 23, the exhaust pipe 23 penetrates through the movable mold base 20 and the movable mold 21, and the exhaust pipe 23 can release hot air in mold forming to reduce bubbles formed in the inner and the surface of the mold. The opposite surfaces of the disengaging piece 17 and the movable mold base 20 are respectively provided with a concave cavity 104 and a protrusion 25, the protrusion 25 is correspondingly inserted into the concave cavity 104, and the movable mold base 20 and the fixed mold base 10 can be aligned according to a preset position through the positioning arrangement of the concave cavity 104 and the protrusion 25, so that the error in mold forming is reduced.

As shown in fig. 3, in the present embodiment, a guide rod 18 extends from the bottom of the fixed mold 12, a guide cavity 19 is formed at the bottom of the sliding cavity 11, and the guide rod 18 moves up and down inside the guide cavity 19 so as to move the fixed mold 12 in a predetermined direction inside the sliding cavity 11. The guide rods 18 and the guide cavities 19 are arranged to ensure that the fixed die 12 moves in a preset direction, and error formation in die forming is reduced.

Further, the first elastic element 13 is sleeved on the guide rod 18, and the first elastic element 13 may be a spring, a rubber pad, or the like. The movable die base 20 is provided with a cooling water pipe 26, the cooling water pipe 26 penetrates through the movable die base 20 and the movable die 21, and after molding, the cooling water pipe 26 is used for rapidly cooling the die to promote rapid molding. A circle of sealing rings 105 are arranged at the joint of the release member 17 and the fixed die 12, so that the sealing performance of a molding die cavity is ensured.

As shown in fig. 1 to 3, in the present embodiment, the second elastic member 15 is made of a ferrous or magnetic material, for example, the second elastic member 15 may be a spring, a magnetic spring, or the like, so as to ensure a good magnetic action with the electromagnet 16.

Further, a circle of recessed ring 103 is arranged at the edge position of the disengaging part 17, a circle of protruding ring 24 is arranged at the edge position of the surface of the movable mold base 20 facing the disengaging part 17, and the protruding ring 24 is correspondingly installed in the recessed ring 103. Through the positioning arrangement of the concave ring 103 and the convex ring 24, the movable mold base 20 and the fixed mold base 10 can be aligned according to a preset position, and errors in mold forming are reduced.

Furthermore, a limiting rod 101 and a limiting cavity 102 are respectively arranged on the opposite surfaces of the disengaging part 17 and the fixed mold base 10, and the limiting rod 101 is inserted into the corresponding limiting cavity 102 and closely attached to the inner wall of the limiting cavity 102, so that the position of the disengaging part 17 on the fixed mold base 10 is accurate.

As shown in fig. 4 and 5, when the movable mold base 20 gradually approaches the fixed mold base 10, the fixed mold 12 moves downward by the pressing action of the movable mold 21 and applies pressure to the pressure sensor 14, and when the pressure sensed by the pressure sensor 14 reaches a first threshold value, all the electromagnets 16 are controlled by the electromagnets so as to enhance the magnetic force to compress the corresponding second elastic members 15 to move the release members 17 below the fixed mold 12, and the movable mold 21 and the fixed mold 12 cooperate to form a mold; when the movable mold base 20 is gradually far away from the fixed mold base 10, the fixed mold 12 is pressed by the movable mold 21 to move upwards and reduce the pressure on the pressure sensor 14, when the pressure sensed by the pressure sensor 14 reaches a second threshold value, all the electromagnets 16 weaken the magnetic force to release the corresponding second elastic members 15 so that the release members 17 move above the fixed mold 12, and at the moment, the release members 17 jack up the mold.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automobile lampshade injection mold, is including corresponding movable mould base (20) and the cover half base (10) that sets up, movable mould base (20) with be provided with movable mould (21) and cover half (12) on cover half base (10) the opposite face respectively, cover half (12) with movable mould (21) cooperate mutually to form jointly and are used for fashioned die cavity, be provided with on the cover half base (10) and slide chamber (11), be provided with first elastic component (13) and pressure sensors (14) in slide chamber (11), first elastic component (13) both ends are connected respectively cover half (12) with pressure sensors (14), pressure sensors (14) support in on the inside bottom surface of slide chamber (11), still be provided with a plurality of second elastic components (15), electro-magnet (16) on cover half base (10) and break away from piece (17), each electromagnet (16) is supported and arranged on the fixed die base (10), the top end of each electromagnet supports the bottom of the second elastic piece (15), all the second elastic pieces (15) support the bottom surface of the disengaging piece (17) together, the disengaging pieces (17) are sleeved on the fixed die (12), an injection molding pipe (22) is arranged on the movable die base (20), the injection molding pipe (22) penetrates through the movable die base (20) and the movable die (21), and when the pressure sensed by the pressure sensor (14) reaches a first threshold value, all the electromagnets (16) enhance the magnetic force to compress the corresponding second elastic pieces (15) so that the disengaging pieces (17) move below the fixed die (12); when the pressure sensed by the pressure sensor (14) reaches a second threshold value, all the electromagnets (16) weaken the magnetic force to release the corresponding second elastic members (15) so as to enable the release members (17) to move above the fixed die (12).

2. The injection mold for the vehicular lamp shade according to claim 1, wherein a guide rod (18) extends from the bottom of the fixed mold (12), a guide cavity (19) is formed from the bottom of the sliding cavity (11), and the guide rod (18) moves up and down inside the guide cavity (19) to move the fixed mold (12) in a predetermined direction inside the sliding cavity (11).

3. The injection mold for vehicular lamp cover according to claim 2, wherein the first elastic member (13) is fitted over the guide bar (18).

4. The injection mold for vehicular lamp cover according to claim 1, wherein the second elastic member (15) is made of iron or magnetic material.

5. The injection mold for automobile lamp cover according to claim 1, wherein a circle of recessed ring (103) is provided at an edge position of the release member (17), a circle of protruding ring (24) is provided at an edge position of a face of the movable mold base (20) facing the release member (17), and the protruding ring (24) is correspondingly installed in the recessed ring (103).

6. The injection mold for vehicular lamp cover according to claim 1, wherein a recessed cavity (104) and a protrusion (25) are provided on the opposite surfaces of the release member (17) and the movable mold base (20), respectively, the protrusion (25) being inserted into the recessed cavity (104).

7. The injection mold for automotive lamp covers according to claim 1, characterized in that an exhaust pipe (23) is provided on the movable mold base (20), and the exhaust pipe (23) penetrates through the movable mold base (20) and the movable mold (21).

8. The injection mold for the automobile lamp shade according to claim 1, wherein a limit rod (101) and a limit cavity (102) are respectively arranged on the opposite surfaces of the separating member (17) and the fixed mold base (10), and the limit rod (101) is inserted into the corresponding limit cavity (102) and is tightly attached to the inner wall of the limit cavity (102).

9. The injection mold for automotive lamp covers according to claim 1, characterized in that a cooling water pipe (26) is provided on the movable mold base (20), and the cooling water pipe (26) penetrates through the movable mold base (20) and the movable mold (21).

10. An injection mold for vehicular lamp cover according to claim 1, wherein a ring of sealing ring (105) is provided at the junction of the release member (17) and the fixed mold (12).