CN218966012U

CN218966012U - In-mold injection mold

Info

Publication number: CN218966012U
Application number: CN202223439277.3U
Authority: CN
Inventors: 蔡考兵; 贺武清; 邱伟明
Original assignee: Qunda Plastic Electronic Shenzhen Co ltd
Current assignee: Qunda Plastic Electronic Shenzhen Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-05
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses an in-mold injection mold, which relates to the technical field of injection molds and comprises a bottom plate, wherein a lower mold is fixed on the bottom plate, supporting rods are arranged on the top surfaces of two sides of the bottom plate, an upper mold is connected on the lower mold, two ends of the upper mold are in sliding connection with the supporting rods, injection molding openings are arranged on the outer walls of two sides of the upper mold, a linear motor is arranged on the top surface of the upper mold, a connecting rod is connected with the top end of the linear motor, supporting plates are connected with the two ends of the connecting rod, and blades are fixed on the bottom surface of the supporting plates. According to the utility model, the upper die slides outside the supporting rod and is connected with the lower die, then the casting body is injected into the upper die and the lower die through the injection molding opening, after injection molding is finished, the linear motor is started to drive the supporting plate to move downwards at two ends of the supporting rod, the blade enters the injection molding opening through the sliding groove, and residual sizing material between the pouring opening and the product is removed, so that the molded product can be complete.

Description

In-mold injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an in-mold injection mold.

Background

In the mold design of the injection mold, the side gate or the lap gate is commonly applied, and because the side gate or the lap gate has a simple structure, is easy to process, has good hot melt adhesive fluidity and small pressure loss, most plastic parts adopt a side gate or a lap gate for adhesive feeding;

after the plastic product is subjected to injection molding, some sizing materials still remain between the gate and the product, the current cutting mode is to separate the upper die from the lower die, and take the product out of the die cavity for manual cutting, so that the efficiency of the mode is low, and the progress of subsequent processing and production is delayed, thereby solving the problems and providing the in-die injection mold.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide an in-mold injection mold which is designed for the in-mold injection mold and solves the problem that residual sizing materials between a pouring gate and a product are inconvenient to cut.

The aim of the utility model is realized by the following technical scheme:

an in-mold injection mold comprising:

the bottom plate is fixedly provided with a lower die, and the top surfaces of two sides of the bottom plate are respectively provided with a supporting rod;

the lower die is connected with an upper die, two ends of the upper die are both in sliding connection with the support rods, and injection molding openings are formed in the outer walls of two sides of the upper die;

the top surface of going up the mould is equipped with linear motor, linear motor's top is connected with the connecting rod, the both ends of connecting rod all are connected with the backup pad, the bottom surface of backup pad is fixed with the blade, the one end of blade extends to in the mouth of moulding plastics, go up the mould and be equipped with the spout that matches with the blade, the blade passes through the spout and slides from top to bottom along the height of mouth of moulding plastics, linear motor drive backup pad downwardly moving and drive the blade and cut off the colloid in the mouth of moulding plastics.

In the above summary, further, the bottom surfaces of two sides of the supporting plate are both fixed with sliding rods, the top surface of the upper die is provided with insertion holes matched with the sliding rods, and the supporting plate is slidably connected to the upper die through the insertion holes.

In the above summary, further, one end of the injection molding opening is disposed obliquely downward.

In the above summary, further, a controller is disposed on an outer wall of the lower mold, and the controller is electrically connected with the linear motor.

In the above summary, further, water level sensors are disposed on top surfaces of inner walls of two sides of the upper mold, and the water level sensors are electrically connected with the controller.

In the above summary, further, the outer walls of two sides of the upper mold are both fixed with a connecting frame, the connecting frame is slidably connected outside the support rod, and the upper mold is slidably connected with the support rod through the connecting frame.

In the above summary of the utility model, further, an air cylinder is disposed in the bottom plate, an output end of the air cylinder is connected with a top plate, and the top plate is located on the bottom surface of the inner wall of the upper die.

The beneficial effects of the utility model are as follows:

according to the utility model, the upper die slides outside the supporting rod and is connected with the lower die, then the casting body is injected into the upper die and the lower die through the injection molding opening, after injection molding is finished, the linear motor is started to drive the supporting plate to move downwards at two ends of the supporting rod, the blade enters the injection molding opening through the sliding groove, and residual sizing material between the pouring opening and the product is removed, so that the molded product can be complete.

Drawings

FIG. 1 is a schematic elevational view of the overall structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the upper mold of the present utility model;

fig. 3 is a schematic view of the internal structure of the base of the present utility model.

In the figure, 1-bottom plate, 101-cylinder, 102-top plate, 103-support bar, 2-lower die, 201-controller, 3-upper die, 301-injection port, 302-water level sensor, 303-linear motor, 304-connecting rod, 305-support plate, 306-slide bar, 307-blade, 308-connecting frame.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

Examples:

referring to fig. 1-3, an in-mold injection mold includes a base plate 1, a lower mold 2, and an upper mold 3;

the bottom plate 1, be fixed with bed die 2 on the bottom plate 1, be connected with bed die 3 on the bed die 2, the both sides top surface of bottom plate 1 all is equipped with bracing piece 103, the both sides outer wall of bed die 3 all is fixed with connecting frame 308, connecting frame 308 sliding connection is outside bracing piece 103, bed die 3 passes through connecting frame 308 and bracing piece 103 sliding connection, the both sides outer wall of bed die 3 all is equipped with injection molding mouth 301, the one end of injection molding mouth 301 is the downward sloping setting, at first through the manual work drive bed die 3 removal, let connecting frame 308 drive bed die 3 through bracing piece 103 and bed die 2 be connected, then inject the colloid in bed die 2 and the bed die 3 through injection molding mouth 301.

The outer wall of the lower die 2 is provided with a controller 201, the top surfaces of the inner walls on two sides of the upper die 3 are respectively provided with a water level sensor 302, the top surface of the upper die 3 is provided with a linear motor 303, the top end of the linear motor 303 is connected with a connecting rod 304, two ends of the connecting rod 304 are respectively connected with a supporting plate 305, the bottom surface of the supporting plate 305 is fixedly provided with a blade 307, one end of the blade 307 extends into the injection port 301, the upper die 3 is provided with a sliding groove matched with the blade 307, the blade 307 slides up and down along the height of the injection port 301 through the sliding groove, the bottom surfaces on two sides of the supporting plate 305 are respectively fixedly provided with a sliding rod 306, the top surface of the upper die 3 is respectively provided with a jack matched with the sliding rod 306, the supporting plate 305 is connected onto the upper die 3 through the jacks in a sliding manner, the linear motor 303 drives the supporting plate 305 to move down and drive the blade 307 to cut off colloid in the injection port 301, the controller 201 is electrically connected with the linear motor 303 and the water level sensor 302, when the water level sensor 302 of the upper die 3 is connected with the colloid, and then the controller 201 starts the linear motor 303 to drive the two ends of the connecting rod 304 to move down, the supporting plate 305 to enable the sliding rod 306 to move down through the sliding grooves to slide along the height of the injection port 301, the sliding rod 306 to slide, the sizing material is enabled to slide down through the jack, the sliding rod 306 to slide, the sizing material is enabled to slide down and the sliding down and the sizing material to slide down and the sizing material 301 to slide down and the sizing material into the position between the linear motor 307 and the sliding rod 301 to be automatically cut down and the product after the sizing material is cut and completely and cut off.

The bottom plate 1 is internally provided with the cylinder 101, the output end of the cylinder 101 is connected with the top plate 102, the top plate 102 is positioned on the bottom surface of the inner wall of the upper die 3, after the colloid in the upper die 3 and the colloid in the lower die 2 are cooled, the upper die 3 and the lower die 2 are separated, then the cylinder 101 is started, the top plate 102 is driven to move upwards through the output end, the top plate 102 is convenient to eject a molded product out of the lower die 2, and the working efficiency can be faster.

The working principle is as follows; the device is characterized in that an upper die 3 is driven to move manually, a connecting frame 308 drives the upper die 3 to be connected with a lower die 2 through a supporting rod 103, then glue is injected into the lower die 2 and the upper die 3 through an injection molding opening 301, when a water level sensor 302 of the upper die 3 senses the glue, information is brought to a controller 201, then the controller 201 starts a linear motor 303 to drive two ends of a connecting rod 304 to move a supporting plate 305 downwards, a sliding rod 306 is enabled to move downwards smoothly through an inserting hole, a blade 307 is enabled to enter the injection molding opening 301 through a sliding groove, residual glue between a pouring opening and a product is cut off, the formed product can be complete, after the glue in the upper die 3 and the lower die 2 is cooled, the upper die 3 is enabled to be separated from the lower die 2, then a cylinder 101 is started, and a top plate 102 is enabled to move upwards through an output end, so that the top plate 102 is enabled to be convenient to eject the formed product out of the lower die 2, and the working efficiency can be faster.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must be provided with a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. An in-mold injection mold, comprising:

2. The in-mold injection mold according to claim 1, wherein,

the bottom surfaces of two sides of the supporting plate are respectively fixed with a sliding rod, the top surface of the upper die is respectively provided with a jack matched with the sliding rods, and the supporting plate is connected onto the upper die through the jacks in a sliding manner.

3. The in-mold injection mold according to claim 1, wherein,

one end of the injection molding opening is arranged in a downward inclined mode.

4. The in-mold injection mold according to claim 1, wherein,

the outer wall of the lower die is provided with a controller, and the controller is electrically connected with the linear motor.

5. The in-mold injection mold according to claim 1, wherein,

the upper die is characterized in that water level sensors are arranged on the top surfaces of the inner walls of the two sides of the upper die, and the water level sensors are electrically connected with the controller.

6. The in-mold injection mold according to claim 1, wherein,

the outer walls of two sides of the upper die are respectively fixedly provided with a connecting frame, the connecting frames are in sliding connection outside the supporting rods, and the upper die is in sliding connection with the supporting rods through the connecting frames.

7. The in-mold injection mold according to claim 1, wherein,

the bottom plate is internally provided with a cylinder, the output end of the cylinder is connected with a top plate, and the top plate is positioned on the bottom surface of the inner wall of the upper die.