CN216635202U

CN216635202U - Processing device for automobile armrest box framework

Info

Publication number: CN216635202U
Application number: CN202123360718.6U
Authority: CN
Inventors: 陆爱冬
Original assignee: Tianjin Qian Yu Plastic Products Co ltd
Current assignee: Tianjin Qian Yu Plastic Products Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-31
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to a processing device for an automobile armrest box framework. The framework comprises a movable die mounting seat and a static die mounting seat which are butted and buckled, wherein a movable die core device and a static die core device are respectively arranged on opposite surfaces of the two mounting seats, and the two die core devices are butted and buckled to form a forming space of the framework body; an inner sliding block device for installing/releasing the insert is connected to the movable die installation seat; the hot runner molding device is characterized by also comprising an air cooling plate connected with the outer side surface of the static mold mounting seat, wherein a glue inlet is formed in the air cooling plate, a hot runner is mounted on the static mold mounting seat, and a discharge port of the hot runner is communicated with the molding space; the inner sliding block device comprises two groups of symmetrically arranged inner sliding wedge-shaped blocks which are in sliding connection with the movable die mounting seat, insert positioning columns are arranged on the outer side surfaces of the inner sliding wedge-shaped blocks, and the inner sliding device further comprises an inner sliding driving assembly which is used for driving the two groups of inner sliding wedge-shaped blocks to synchronously move in the opposite direction or in the opposite direction. The hinge embedded part positioning device can perform positioning and installation aiming at the hinge embedded part, and further realizes the integrated production of the box cover and the hinge embedded part.

Description

Processing device for automobile armrest box framework

Technical Field

The utility model belongs to the technical field of molds, and particularly relates to a processing device for an automobile armrest box framework.

Background

The automobile armrest box is an automobile accessory arranged between two seats and belongs to an automobile interior system. The humanized design aims to enable a person in the vehicle to place an arm, so that the arm can effectively rest. With the continuous development of the manufacturing technology and the continuous improvement of the production process, the armrest box has more functions of storing articles. The armrest box mainly comprises a box body with a storage cavity and a box cover which can turn over and is buckled on the box body. Wherein, the case lid and the box are connected through the hinge mechanism.

In a conventional armrest box, the hinge mechanism is an independent unit, and mainly includes a hinge bracket connected to the box cover, a mounting bracket connected to the box body, and a rotating shaft penetrating between the hinge bracket and the mounting bracket, wherein the hinge bracket is connected to the flip cover through a screw. However, in the using process, the long-term bumping and the repeated opening and closing operations are found to easily cause the screw loosening, so that the box cover and the hinge mechanism are separated from connection; in order to solve the above problems and achieve a stable connection between the hinge structure and the box cover, a scheme of embedding the hinge bracket in the hinge mechanism into the end portion of the box cover is becoming mainstream.

In the actual production process, the main body part of the box cover is prepared by an injection molding process, an injection mold is important technological equipment in the injection molding process, the traditional injection mold consists of a movable mold and a fixed mold, the movable mold is installed on a movable mold plate of the injection molding machine, and the fixed mold is installed on a fixed mold plate of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form a pouring system and a cavity; when the mold is opened, the movable mold and the fixed mold are separated so as to take out the plastic product. However, the conventional injection mold described above lacks a positioning and attaching device for the insert, and cannot accurately attach and attach the insert to the core before injection and release the attachment of the insert before ejection, and therefore, it is necessary to design an injection mold capable of inserting the hinge bracket into the end portion of the box cover to solve the above-described problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a processing device of an automobile armrest box framework with reasonable structural design for solving the technical problems in the prior art, and the processing device can be used for positioning and installing a hinged embedded part, so that the integrated production of a box cover and the hinged embedded part is realized.

The technical scheme adopted by the utility model for solving the technical problems in the prior art is as follows: a processing device of an automobile armrest box framework comprises a movable mould mounting seat and a static mould mounting seat which are butted and buckled, wherein a movable mould core device and a static mould core device are respectively arranged on opposite surfaces of the movable mould mounting seat and the static mould mounting seat, and the movable mould core device and the static mould core device are butted and buckled to form a forming space of a framework body; an inner sliding block device for installing/releasing the insert is connected to the movable die installation seat; the hot runner mold is characterized by also comprising an air cooling plate connected with the outer side surface of the static mold mounting seat, wherein a glue inlet is formed in the air cooling plate, a hot runner communicated with the glue inlet is mounted on the static mold mounting seat, and a discharge port of the hot runner is communicated with a molding space formed by the movable mold core device and the static mold core device; the inner sliding block device comprises two groups of symmetrically arranged inner sliding wedge-shaped blocks which are in sliding connection with the movable die mounting seat, insert positioning columns are arranged on the outer side surfaces of the inner sliding wedge-shaped blocks, and the inner sliding device further comprises an inner sliding driving assembly which is used for driving the two groups of inner sliding wedge-shaped blocks to synchronously move in the opposite direction or in the opposite direction.

The utility model has the advantages and positive effects that: the utility model provides a processing device of an automobile armrest box framework, which is characterized in that a movable die mounting seat, a static die mounting seat, a movable die core device and a static die core device are arranged, so that a forming cavity of a framework body can be formed in a butt joint mode; by arranging the inner sliding block device, two inserts which are placed on the movable mold core device in advance can be positioned and fixed, so that the pre-loading of the inserts is realized; when the internal sliding driving assembly drives the two sets of internal sliding wedge blocks to deviate from and move to a preset position, the hinge holes in the inserts can be sleeved on the corresponding insert positioning columns, so that the inserts can not move to positions in the subsequent injection molding process, when the injection molding die is opened, the internal sliding driving assembly can drive the two sets of internal sliding wedge blocks to move to the preset position in opposite directions, and further the insert positioning columns are separated from the hinge holes in the inserts, so that the framework workpiece can smoothly separate from the die cavity of the movable die core device. The utility model can realize the integrated molding of the insert and the framework body, avoid the separation of the box cover and the hinge structure caused by the loosening of the screw in the bumping and repeated opening and closing processes, and improve the connection stability of the flip cover and the hinge structure of the armrest box.

Preferably: and the outer side of the movable die mounting seat is provided with a material ejecting device for ejecting the framework workpiece.

Preferably: the inner slide block device also comprises a core block guide piece fixedly connected on the movable die mounting seat, and the two groups of inner slide wedge blocks are connected with the core block guide piece in a sliding way.

Preferably: the inner slide driving assembly comprises two groups of inner slide guide strips which are oppositely arranged and fixedly connected on the movable die mounting seat, a guide groove piece is connected between the two groups of inner slide guide strips in a sliding manner, an inner slide driving block is fixedly connected at the inner end of the guide groove piece, and the inner slide driving block is in an inverted isosceles trapezoid structure; the inner side surface of the inner slide wedge block is provided with a T-shaped inner contraction sliding groove which extends in an inclined mode, and the inclined direction of the T-shaped inner contraction sliding groove is consistent with the inclined direction of the inclined surface of the inner slide driving block; the two inclined planes of the inner slide driving block are respectively provided with an inner contraction sliding block which is connected with the T-shaped inner contraction sliding groove in a sliding manner; the sliding die further comprises an inner sliding oil cylinder arranged on the movable die mounting seat, and the extending end of the inner sliding oil cylinder is movably connected with the guide groove piece.

Preferably: the movable mold core device comprises a movable mold core seat fixedly connected with the movable mold mounting seat, the movable mold core is mounted on the movable mold core seat, and two sets of symmetrically arranged insert grooves for accommodating inserts are formed in the movable mold core.

Preferably: the static mold core device comprises a static mold core arranged on the inner side surface of the static mold mounting seat, and a first mold insert and a second mold insert which are arranged on the static mold mounting seat and run through the static mold core.

Preferably: the outer side of the movable die mounting seat is connected with a base structure, and the material ejecting device is arranged between the base structure and the movable die mounting seat.

Preferably: the ejection device comprises an ejection guide post fixedly connected to the base structure, an ejection movable plate slidably connected with the ejection guide post is sleeved on the ejection guide post, and a plurality of groups of ejection thimbles penetrating through the movable mold core device are mounted on the ejection movable plate; a plurality of groups of spring guide columns are mounted on the material ejecting movable plate, and material ejecting springs are sleeved on the spring guide columns.

Preferably: the air cooling plate is provided with an accommodating through groove for installing the end part of the hot runner, and the air cooling plate further comprises an air cooling air flow channel which is arranged on the air cooling plate and communicated with the accommodating through groove.

Drawings

FIG. 1 is a schematic diagram of a squib configuration of the present invention;

FIG. 2 is a perspective view of the front portion of the present invention;

FIG. 3 is a schematic perspective view of the inner slide block assembly of the present invention;

fig. 4 is a schematic perspective view of a workpiece according to the present invention.

In the figure: 1. a base structure; 2. a material ejecting device; 2-1, ejecting a movable plate; 2-2, ejecting a spring; 2-3, ejecting a guide column; 3. an inner slide block device; 3-1, an internal sliding oil cylinder; 3-2, an inner sliding guide strip; 3-3, movable connecting pieces; 3-4, a guide groove piece; 3-5, movably connecting a groove; 3-6, retracting the sliding block; 3-7, a T-shaped inward-shrinkage chute; 3-8, inner sliding wedge-shaped blocks; 3-9, an inner slide driving block; 3-10, insert positioning columns; 3-11, a core block guide; 4. a movable die mounting seat; 5. a movable mold core device; 5-1, moving die core seats; 5-2, moving mold core; 5-3, an insert groove; 6. a stationary mold mounting base; 7. an air-cooled panel; 7-1, an air cooling air flow channel; 8. a glue inlet; 9. a stationary core means; 9-1, a static mold core; 9-2, a first insert; 9-3, a second insert; 10. a hot runner; 100. a skeleton workpiece; 110. a skeleton body; 120. an insert.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail as follows:

referring to fig. 1, the device for processing the framework of the armrest box of the automobile comprises a movable mold mounting seat 4 and a stationary mold mounting seat 6 which are butted and fastened, a movable mold core device 5 and a stationary mold core device 9 are respectively mounted on the opposite surfaces of the movable mold mounting seat 4 and the stationary mold mounting seat 6, and the movable mold core device 5 and the stationary mold core device 9 are butted and fastened to form a molding space of a framework body 110.

Further, as shown in fig. 1, the movable core device 5 includes a movable core holder 5-1 fixedly attached to the movable mold mounting base 4, and the outer contour of the movable core holder 5-1 is substantially rectangular. A movable mould core 5-2 is arranged on the movable mould core seat 5-1.

When the injection mold is closed, the movable mold mounting seat 4 drives the movable mold core 5-2 to move forwards, so that the movable mold core 5-2 is combined with the static mold core 9-1 to form the framework body 110; when the framework body 110 is formed, the injection mold is opened, and at the moment, the movable mold mounting seat 4 drives the mold core 5-2 to move backwards, so that a space is generated between the movable mold core 5-2 and the static mold core 9-1 for taking the framework body 110.

In order to solve the problem that the box cover and the hinge mechanism are easy to separate, and to realize the stable connection between the hinge structure and the box cover, the scheme of embedding the hinge bracket in the hinge mechanism into the end part of the box cover gradually becomes the mainstream, the specific solution is shown in fig. 4, that is, a framework workpiece 100 is designed by those skilled in the art, the framework workpiece mainly comprises a framework body 110, two sets of inserts 120 which are oppositely arranged are arranged at the tail end of the framework body 110, one end of each insert 120 is embedded into the tail end of the framework workpiece 100, the other end of each insert 120 extends to the outside of the framework body 110 and is bent, and a hinge hole for penetrating a hinge shaft is formed at the bent membrane end. As shown in fig. 1, for the convenience of installation and connection, the end of the insert 120 embedded in the frame body 110 is a plate-shaped structure, and a plurality of sets of through holes are opened on the plate-shaped structure.

In order to facilitate the installation of the insert 120 shown in fig. 4, two sets of insert grooves 5-3 for accommodating the insert 120 are formed in the movable mold core 5-2, and the two sets of insert grooves 5-3 are formed in the end of the movable mold core 5-2 and are symmetrically arranged with respect to the center line of the movable mold core 5-2.

In order to position and mount the insert 120 placed in the insert groove 5-3 and ensure that the skeleton workpiece 100 composed of the skeleton body 110 and the insert 120 can be smoothly ejected out of the cavity of the mold during discharging, the present embodiment further includes an inner slide block device 3 connected to the movable mold mounting seat 4, and the insert 120 can be mounted/released on the inner slide block device 3.

Further referring to fig. 3, in the present embodiment, the inner slide block device 3 includes a core block guide 3-11 fixedly connected to the movable die mounting seat 4, two sets of inner slide wedge blocks 3-8 symmetrically arranged are slidably connected to the core block guide 3-11, and insert positioning pillars 3-10 are disposed on outer side surfaces of the inner slide wedge blocks 3-8, wherein the insert positioning pillars 3-10 are adapted to hinge holes formed at end portions of the insert 120, and in an actual operation process, the insert positioning pillars 3-10 are inserted into the hinge holes of the insert 120 to perform positioning locking connection on the insert 120. After the injection molding operation is completed, the framework workpiece 100 needs to be separated from the molding surface of the movable mold core 5-2, in order to ensure that the framework workpiece 100 can be smoothly separated from the movable mold core 5-2 and further complete the discharging operation, the insert positioning columns 3-10 need to be separated from the hinge holes on the corresponding inserts 120 before discharging, and therefore, the inner slide block device 3 further comprises an inner slide driving assembly for driving the two groups of inner slide wedge blocks 3-8 to synchronously move towards or away from each other.

As shown in fig. 3, the inner slide driving assembly includes two sets of inner slide guide strips 3-2 oppositely disposed and fixedly connected to the movable mold mounting base 4, and for facilitating the installation of the inner slide guide strips 3-2, a groove capable of accommodating the inner slide guide strips 3-2 is formed on a surface of the movable mold mounting base 4 facing the stationary mold mounting base 6. A guide groove piece 3-4 is connected between the two groups of inner slide guide strips 3-2 in a sliding way, an inner slide driving block 3-9 is fixedly connected at the inner end of the guide groove piece 3-4, and the inner slide driving block 3-9 is in an inverted isosceles trapezoid structure. An insert for forming an invagination structure/fastener is inserted at the small edge end part of the inner slide driving block 3-9. The inner side surface of the inner slide wedge block 3-8 is provided with a T-shaped inner contraction chute 3-7 which extends in an inclined way, and the inclined direction of the T-shaped inner contraction chute 3-7 is consistent with the inclined direction of the inclined surface of the inner slide driving block 3-9; the two inclined surfaces of the inner slide driving blocks 3-9 are respectively provided with an inner contraction slide block 3-6 which is connected with the T-shaped inner contraction slide groove 3-7 in a sliding way.

The internal sliding driving assembly further comprises an internal sliding oil cylinder 3-1 arranged on the movable die mounting seat 4, and the extending end of the internal sliding oil cylinder 3-1 is movably connected with the guide groove piece 3-4. Wherein, the extending end of the inner oil cylinder 3-1 is fixedly connected with a movable connecting piece 3-3, a movable connecting groove 3-5 is arranged on the guide groove piece 3-4, and the end part of the movable connecting piece 3-3 is arranged in the movable connecting groove 3-5 in a penetrating way and is connected with the movable connecting groove in a sliding way. In order to separate the end of the inner sliding driving block 3-9 from the recessed structure/fastener formed at the end of the framework body 110 and facilitate subsequent discharging operation, in this embodiment, when the piston rod of the inner sliding oil cylinder 3-1 retracts, the guide groove member 3-4 can make an oblique movement away from the stationary mold mounting seat 6 and away from the movable mold core 5-2 under the action of the inner sliding oil cylinder 3-1, and meanwhile, the obliquely moving guide groove member 3-4 drives the inner sliding driving block 3-9 to make a synchronous movement, so that the two groups of inner sliding wedge blocks 3-8 synchronously move in opposite directions, and the insert positioning columns 3-10 at the outer sides of the inner sliding wedge blocks 3-8 are separated from the insert 120.

As shown in fig. 1, the present embodiment further includes an air cooling plate 7 connected to the outer side surface of the stationary mold mounting seat 6, a glue inlet 8 is provided on the air cooling plate 7, a hot runner 10 communicated with the glue inlet 8 is installed on the stationary mold mounting seat 6, and a discharge port of the hot runner 10 is communicated with a molding space formed by the movable mold core device 5 and the stationary mold core device 9. The air cooling plate 7 is provided with an accommodating through groove for installing the end part of the hot runner 10, and the air cooling plate 7 further comprises an air cooling air flow channel 7-1 which is arranged on the air cooling plate 7 and communicated with the accommodating through groove, and the hot runner 10 placed in the accommodating through groove can be properly cooled by blowing cold air into the air cooling air flow channel 7-1, so that the phenomenon that the hot runner 10 is deformed due to high-temperature molten plastic to influence normal injection molding is avoided.

Referring further to fig. 2, in the present embodiment, the static mold core assembly 9 includes a static mold core 9-1 mounted on an inner side surface of the static mold mounting seat 6, and an outer contour of the static mold core 9-1 is substantially rectangular, and referring further to fig. 4, since the end portion and the tail portion of the outer surface of the framework body 110 are provided with a plurality of sets of rib structures formed by recessed structures, the present embodiment further includes a first insert 9-2 and a second insert 9-3 mounted on the static mold mounting seat 6 and penetrating through the static mold core 9-1. The first insert 9-2 and the second insert 9-3 penetrate through the static mold core 9-1 and are connected with the static mold mounting seat 6.

Be connected with base structure 1 in the outside of movable mould mount pad 4, in this embodiment, base structure 1 includes two sets of installation plates that set up relatively, and the rigid coupling has the installation piece of relative setting between two sets of installation plates. And an ejection device 2 for ejecting the framework workpiece 100 is arranged on the outer side of the movable die mounting seat 4, and the ejection device 2 is arranged between the base structure 1 and the movable die mounting seat 4.

The movable mold core 5-2 and the static mold core 9-1 are both provided with water cooling structures, and the high-temperature framework body 110 in the mold core can be cooled on two sides by the two water cooling structures, so that the cooling forming speed of a product is increased, and the injection molding efficiency is improved. In this embodiment, the water-cooling structure includes a plurality of condenser tube units of locating on the mold core side by side, and wherein the condenser tube unit is including setting up in the inside liquid distribution pipe of mold core, still includes inlet tube and the outlet pipe at the both ends intercommunication of liquid distribution pipe, and inlet tube and outlet pipe extend to the outside of mold core and run through the die holder that corresponds, like this, can follow the inlet tube and carry the cooling water to the liquid distribution pipe in to follow the outlet pipe and discharge the cooling water. Moreover, when the cooling water flows through the liquid distribution pipe, the mold core can be cooled, so that the high-temperature framework body 110 in the mold core is cooled. Moreover, through a plurality of cooling water pipe units that set up side by side, can cool off the mold core from a plurality of positions simultaneously, the cooling effect is better.

As shown in fig. 1, in the present embodiment, the ejector 2 includes an ejector guide post 2-3 fixedly connected to the base structure 1, an ejector movable plate 2-1 slidably connected to the ejector guide post 2-3 is sleeved on the ejector guide post 2-3, and a plurality of ejector pins penetrating through the movable mold core device 5 are mounted on the ejector movable plate 2-1; a plurality of groups of spring guide posts are arranged on the material ejecting movable plate 2-1, and the material ejecting springs 2-2 are sleeved on the spring guide posts.

The ejector pins vertically penetrate through the movable mold core 5-2, and after the movable mold mounting seat 4 is far away from the static mold mounting seat 6, the ejector movable plate 2-1 drives each ejector pin to move so that the top of each ejector pin is ejected out of the static mold mounting seat 6, and therefore the framework workpiece 100 is separated from the forming surface of the movable mold core 5-2 and is taken down from an injection mold.

The working process comprises the following steps:

when the injection mold is in a mold opening state, the extending end of an inner slide oil cylinder 3-1 in an inner slide block device 3 retracts to drive two inner slide wedge-shaped blocks 3-8 to move oppositely, so that the insert 120 is conveniently placed on a specified position of a movable mold core 5-2, namely, a plate-shaped end part of the insert 120 is placed in an insert groove 5-3, a pin shaft hole of the insert 120 corresponds to the position of an insert positioning column 3-10 on the outer side surface of the inner slide wedge-shaped block 3-8, the inner slide oil cylinder 3-1 is started simultaneously to enable the extending end of the inner slide oil cylinder 3-1 to be ejected out and reset, further, the two inner slide wedge-shaped blocks 3-8 are enabled to synchronously deviate and move, the insert positioning column 3-10 is inserted into the pin shaft hole of the insert 120, and further the pre-assembling process of the insert 120 is completed;

after the pre-assembling process of the insert 120 is completed, the movable die mounting seat 4 moves towards the static die mounting seat 6 to complete die assembly operation, when an injection die is used for die assembly and injection molding, the movable die core 5-2 and the static die core 9-1 are in butt joint to form a die cavity, then, externally-connected molten plastic flows into the die cavity formed by butt joint of the movable die core 5-2 and the static die core 9-1 through the hot runner 10 to form the framework body 110 in an injection molding mode, and in the molding process, the plate-shaped end portion of the insert 120 is embedded into the framework body 110;

when the injection mold is opened to take the framework workpiece 100, the movable mold mounting seat 4 drives the movable mold core 5-2 and the framework workpiece 100 to move to a preset position away from the static mold mounting seat 6; meanwhile, the extending end of the inner slide oil cylinder 3-1 in the inner slide block device 3 retracts to drive the two groups of inner slide wedge-shaped blocks 3-8 to move oppositely, so that the insert positioning columns 3-10 are separated from pin shaft holes in the inserts 120, and the framework workpiece 100 is conveniently separated from the die cavity of the movable die core 5-2 in the discharging operation.

The utility model can realize the integrated molding of the insert 120 and the framework body 110, avoid the separation of the box cover and the hinge structure caused by the loosening of the screw in the bumpy and repeated opening and closing process, and improve the connection stability of the flip cover and the hinge structure of the armrest box.

Claims

1. The utility model provides a processingequipment of car handrail case skeleton which characterized by: the framework comprises a movable die mounting seat (4) and a static die mounting seat (6) which are butted and buckled, wherein a movable die core device (5) and a static die core device (9) are respectively arranged on the opposite surfaces of the movable die mounting seat (4) and the static die mounting seat (6), and the movable die core device (5) and the static die core device (9) are butted and buckled to form a forming space of a framework body (110); an inner sliding block device (3) for installing/releasing the insert (120) is connected to the movable die mounting seat (4); the hot-air mould is characterized by further comprising an air cooling plate (7) connected with the outer side surface of the static mould mounting seat (6), a glue inlet (8) is formed in the air cooling plate (7), a hot runner (10) communicated with the glue inlet (8) is mounted on the static mould mounting seat (6), and a discharge hole of the hot runner (10) is communicated with a forming space formed by the movable mould core device (5) and the static mould core device (9);

the inner sliding block device (3) comprises two groups of symmetrically arranged inner sliding wedge-shaped blocks (3-8) which are in sliding connection with the movable die mounting seat (4), insert positioning columns (3-10) are arranged on the outer side surfaces of the inner sliding wedge-shaped blocks (3-8), and the inner sliding block device further comprises an inner sliding driving assembly which is used for driving the two groups of inner sliding wedge-shaped blocks (3-8) to synchronously move in the opposite direction/in the opposite direction.

2. The processing device of the armrest box framework for the automobile as claimed in claim 1, which is characterized in that: and an ejection device (2) for ejecting the framework workpiece (100) is arranged on the outer side of the movable die mounting seat (4).

3. The processing device of the armrest box framework for the automobile as set forth in claim 1, characterized in that: the inner sliding block device (3) also comprises core block guiding pieces (3-11) fixedly connected on the movable die mounting seat (4), and the two groups of inner sliding wedge blocks (3-8) are connected with the core block guiding pieces (3-11) in a sliding manner.

4. The processing device of the armrest box framework for the automobile as claimed in claim 1, which is characterized in that: the inner slide driving assembly comprises two groups of inner slide guide strips (3-2) which are oppositely arranged and fixedly connected on the movable die mounting seat (4), a guide groove piece (3-4) is connected between the two groups of inner slide guide strips (3-2) in a sliding way, an inner slide driving block (3-9) is fixedly connected at the inner end of the guide groove piece (3-4), and the inner slide driving block (3-9) is in an inverted isosceles trapezoid structure; the inner side surface of the inner slide wedge block (3-8) is provided with a T-shaped inner contraction sliding groove (3-7) which extends in an inclined mode, and the inclined direction of the T-shaped inner contraction sliding groove (3-7) is consistent with the inclined direction of the inclined surface of the inner slide driving block (3-9); the two inclined surfaces of the inner slide driving blocks (3-9) are respectively provided with an inner contraction sliding block (3-6) which is connected with the T-shaped inner contraction sliding groove (3-7) in a sliding way; the device also comprises an inner sliding oil cylinder (3-1) arranged on the movable die mounting seat (4), and the extending end of the inner sliding oil cylinder (3-1) is movably connected with the guide groove piece (3-4).

5. The processing device of the armrest box framework for the automobile as claimed in claim 1, which is characterized in that: the movable mold core device (5) comprises a movable mold core seat (5-1) fixedly connected with the movable mold mounting seat (4), a movable mold core (5-2) is mounted on the movable mold core seat (5-1), and two symmetrically arranged insert grooves (5-3) for accommodating the inserts (120) are formed in the movable mold core (5-2).

6. The processing device of the armrest box framework for the automobile as claimed in claim 1, which is characterized in that: the static mold core device (9) comprises a static mold core (9-1) arranged on the inner side surface of the static mold mounting seat (6), and further comprises a first insert (9-2) and a second insert (9-3) which are arranged on the static mold mounting seat (6) and penetrate through the static mold core (9-1).

7. The processing device of the armrest box framework for the automobile as claimed in claim 2, characterized in that: the outer side of the movable die mounting seat (4) is connected with a base structure (1), and the material ejecting device (2) is arranged between the base structure (1) and the movable die mounting seat (4).

8. The processing device of the armrest box framework for the automobile as claimed in claim 7, characterized in that: the material ejecting device (2) comprises an ejecting guide column (2-3) fixedly connected to the base structure (1), an ejecting movable plate (2-1) in sliding connection with the ejecting guide column (2-3) is sleeved on the ejecting guide column (2-3), and a plurality of groups of ejecting thimbles penetrating through the movable mold core device (5) are mounted on the ejecting movable plate (2-1); a plurality of groups of spring guide posts are arranged on the ejecting movable plate (2-1), and ejecting springs (2-2) are sleeved on the spring guide posts.

9. The processing apparatus of the car armrest box framework as set forth in any one of claims 1 to 8, characterized in that: an accommodating through groove used for installing the end part of the hot runner (10) is formed in the air cooling plate (7), and an air cooling air flow channel (7-1) communicated with the accommodating through groove is formed in the air cooling plate (7).