CN217021208U

CN217021208U - Two-color IML injection mold of rotation type in mould

Info

Publication number: CN217021208U
Application number: CN202220425826.2U
Authority: CN
Inventors: 王立峰
Original assignee: Tutai Precision Mould Suzhou Co ltd
Current assignee: Mcgavigan Decorative Technology Suzhou Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-22
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses an in-mold rotary type double-color IML injection mold, which relates to the technical field of injection molds and comprises a lower box body, an upper box body, glue injection holes and control equipment, wherein the upper box body is hinged to the top of the lower box body; the hydraulic cylinder is used, so that the lower die can be conveniently ejected out of the box body, the lower die can be conveniently rotated and demoulded, and the manufacturing of a double-color product is further facilitated; through adjustment mechanism's use, be convenient for make the bed die rotatory 180, be convenient for make the colour exchange, avoid need using two injection molding machines when moulding plastics to same product to improve double-colored work efficiency who moulds plastics.

Description

Two-color IML injection mold of rotation type in mould

Technical Field

The utility model relates to the technical field of injection molds, in particular to an in-mold rotary type double-color IML injection mold.

Background

An injection mold is a tool for producing plastic products; is also a tool for endowing the plastic product with complete structure and accurate size; injection molding is a process used to mass produce parts of some complex shapes. Injecting the heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying to obtain a formed product; when the double-color product is subjected to injection molding, an injection mold is needed, however, the injection mold used for the double-color product needs to be customized by a manufacturer and is completed by two sets of injection molds together, the injection molding mode can reduce the low production efficiency of the double-color product, and meanwhile, the deviation is easy to occur at the glue inlet point and the glue sealing position during the exchange, so that the product is unqualified; therefore, the above problems need to be solved and optimized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an in-mold rotary type double-color IML injection mold.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the inner-rotation type double-color IML injection mold comprises a lower box body, an upper box body, glue injection holes and control equipment, wherein the upper box body is hinged to the top of the lower box body, the glue injection holes are symmetrically formed in the top of the upper box body, the control equipment is arranged on one side face of the lower box body, an upper mold is arranged in the upper box body, a hydraulic cylinder is arranged on the inner bottom face of the lower box body, a supporting plate is arranged at the movable end of the hydraulic cylinder, a connecting shaft is rotatably arranged in the middle of the top face of the supporting plate, a lower mold matched with the upper mold is arranged at the top of the connecting shaft, an adjusting mechanism used for adjusting the rotation of the lower mold is arranged on the outer wall of the connecting shaft, and a pressing mechanism is arranged on one side of the top face of the lower box body;

the adjusting mechanism comprises a gear arranged on the outer wall of the connecting shaft, a short shaft is rotatably arranged on one side of the top surface of the supporting plate, a semi-gear meshed with the gear is arranged on the outer wall of the short shaft, the bottom of the short shaft movably penetrates through the bottom of the supporting plate, and a servo motor is arranged at the bottom of the short shaft.

Preferably, a rectangular cavity is formed in one side of the top surface of the lower box body, the pressing mechanism comprises a movable plate which is arranged in the rectangle in a sliding mode, a reset spring is arranged between the movable plate and the rectangular cavity, rectangular sliding blocks are arranged on two side faces of the movable plate, rectangular sliding grooves are formed in the inner wall of the rectangular cavity in a matched mode, and a pressure sensor is arranged on the bottom surface of the inner wall of each rectangular sliding groove.

Preferably, a supporting rod is arranged on one side of the top surface of the supporting plate, a sliding block is arranged at the top of the supporting rod, an annular groove is formed in the bottom surface of the lower die in a matched mode with the sliding block, and the cross sections of the sliding block and the annular groove are in a trapezoidal shape.

Preferably, the inner wall of the annular groove is provided with an annular rubber pad, the outer wall of the annular rubber pad is uniformly provided with a plurality of arc-shaped protrusions, and the inner wall of the annular groove is provided with arc-shaped grooves matched with the arc-shaped protrusions.

Compared with the prior art, the utility model has the beneficial effects that:

1. the hydraulic cylinder is used, so that the lower die can be conveniently ejected out of the box body, the lower die can be conveniently rotated and demoulded, and the manufacturing of a double-color product is further facilitated; through the use of the adjusting mechanism, the lower die can be conveniently rotated by 180 degrees, the color can be conveniently exchanged, two injection molding machines are prevented from being used when the same product is subjected to injection molding, and the working efficiency of double-color injection molding is improved;

2. the pressing mechanism and the control equipment are matched with each other for use, so that the work of the hydraulic cylinder and the adjusting mechanism can be automatically controlled conveniently, the automation of the injection mold is realized, the workload of workers is reduced, and the injection molding work efficiency of the double-color product is further improved;

3. by using the trapezoidal sliding block, the contact area between the sliding block and the annular rubber pad is conveniently increased, so that the friction force between the annular rubber pad and the sliding block is conveniently increased, the lower die is conveniently positioned, the lower die is prevented from continuously rotating after rotating, and the injection molding of a double-color product is facilitated; through the use of the supporting rod and the sliding block, the lower die is convenient to support, so that the lower die can stably rotate.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the front view of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Sequence numbers in the figure: 1. a lower box body; 2. an upper box body; 3. injecting glue holes; 4. an upper die; 5. a lower die; 6. a gear; 7. a half gear; 8. a support plate; 9. a servo motor; 10. a hydraulic cylinder; 11. a control device; 12. a support bar; 13. a slider; 14. a pressure sensor; 15. a return spring; 16. a rectangular slider; 17. a movable plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The embodiment is as follows: referring to fig. 1-3, an intramode rotary type double-color IML injection mold comprises a lower box body 1, an upper box body 2 hinged to the top of the lower box body 1, glue injection holes 3 symmetrically arranged at the top of the upper box body 2, and a control device 11 arranged on one side surface of the lower box body 1, wherein an upper mold 4 is arranged inside the upper box body 2, a hydraulic cylinder 10 is arranged on the inner bottom surface of the lower box body 1, and the lower mold 5 can be conveniently ejected out of the lower box body 1 through the use of the hydraulic cylinder 10, so that the rotation and demolding of the lower mold 5 are facilitated, and the manufacture of double-color products is further facilitated; the movable end of the hydraulic cylinder 10 is provided with a supporting plate 8, the middle part of the top surface of the supporting plate 8 is rotatably provided with a connecting shaft, the top of the connecting shaft is provided with a lower die 5 matched with the upper die 4, the outer wall of the connecting shaft is provided with an adjusting mechanism for adjusting the rotation of the lower die 5, the lower die 5 can conveniently rotate 180 degrees through the use of the adjusting mechanism, and double-color injection molding is realized, so that the working efficiency of product production is improved; a pressing mechanism is arranged on one side of the top surface of the lower box body 1, and the pressing mechanism and the control equipment 11 are mutually matched for use, so that the work of the hydraulic cylinder 10 and the adjusting mechanism can be automatically controlled conveniently, and the work efficiency of double-color injection molding is improved;

adjustment mechanism is including setting up being equipped with gear 6 on the connecting axle outer wall, 8 top surfaces of backup pad one side are rotated and are equipped with the minor axis, be equipped with on the minor axis outer wall with the semi-gear 7 of 6 meshing of gear, minor axis bottom activity runs through to 8 bottoms of backup pad, the minor axis bottom is equipped with servo motor 9, uses through the cooperation of semi-gear 7 and gear 6, is convenient for make bed die 5 rotate 180, is favorable to moulding plastics of double-colored product.

In the utility model, a rectangular cavity is formed in one side of the top surface of the lower box body 1, the pressing mechanism comprises a movable plate 17 which is arranged in the rectangle in a sliding mode, a return spring 15 is arranged between the movable plate 17 and the rectangular cavity, rectangular sliding blocks 16 are arranged on two side surfaces of the movable plate 17, rectangular sliding grooves are formed in the inner wall of the rectangular cavity in a matched mode with the rectangular sliding blocks 16, and a pressure sensor 14 is arranged on the inner bottom surface of one rectangular sliding groove, so that signals can be received conveniently and transmitted to the control equipment 11 conveniently.

According to the utility model, the supporting rod 12 is arranged on one side of the top surface of the supporting plate 8, the sliding block 13 is arranged on the top of the supporting rod 12, the annular groove is formed in the bottom surface of the lower die 5 in a matching manner with the sliding block 13, the cross sections of the sliding block 13 and the annular groove are in a trapezoidal shape, and the supporting rod 12 and the sliding block 13 are used for conveniently supporting the lower die 5, so that the lower die 5 can stably rotate.

In the utility model, the inner wall of the annular groove is provided with an annular rubber pad, the outer wall of the annular rubber pad is uniformly provided with a plurality of arc-shaped bulges, and the inner wall of the annular groove is provided with arc-shaped grooves matched with the arc-shaped bulges; through the use of trapezoidal shape's slider 13, be convenient for increase the area of contact of slider 13 and ring rubber pad to be convenient for increase the frictional force between ring rubber pad and the slider 13, thereby be convenient for fix a position lower mould 5, avoid 5 rotatory backs of lower mould to continue to rotate, thereby be favorable to moulding plastics of double-colored product.

The working principle is as follows: when the mould works, firstly, glue is injected into the lower mould 5 and the upper mould 4 through the glue injection holes 3; after cooling, the upper box 2 is opened, at this time, the movable plate 17 moves upwards under the action of the return spring 15, so that the rectangular sliding block 16 is separated from the pressure sensor 14, at this time, the pressure sensor 14 receives a signal and transmits the signal to the control device 11, the hydraulic cylinder 10 is controlled to be electrified and extended through the processing of the control device 11, the support plate 8 is further driven to move upwards, so that the lower die 5 is driven to move upwards, when the elongation of the hydraulic cylinder 10 reaches a maximum value, at this time, the control device 11 controls the servo motor 9 to be electrified and operated, the half gear 7 is driven to rotate through the rotation of the output shaft of the servo motor 9, so that the gear 6 is further driven to rotate, when teeth on the half gear 7 are separated from the gear, at this time, the lower die 5 rotates 180 degrees, then the control device 11 controls the servo motor 9 to be powered off and stop working, and controls the hydraulic cylinder 10 to contract, so that the lower die 5 enters the lower box 1, so as to facilitate die assembly;

then, the upper box body 2 is turned over and covered on the lower box body 1, the movable plate 17 is extruded through the upper box body 2, the movable plate 17 moves downwards, and then the rectangular sliding block 16 is driven to move downwards, so that the rectangular sliding block 16 is in contact with the pressure sensor 14, at the moment, the pressure sensor 14 receives signals and transmits the signals to the control device 11, and the servo motor 9 and the hydraulic cylinder 10 are processed and controlled to be out of work through the control device 11; then carrying out secondary glue injection;

after cooling, performing secondary die stripping, specifically, opening the upper box body 2, moving the movable plate 17 upwards under the action of the return spring 15 so as to separate the pressure sensor 14 from the rectangular sliding block 16, receiving a signal by the pressure sensor 14 and transmitting the signal to the control device 11, processing by the control device 11 and controlling the hydraulic cylinder 10 to extend, and ejecting the lower die 5, so that a product is convenient to take;

then, the next product is manufactured by repeating the above-described process.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a two-color IML injection mold of rotation type in mould, includes box (1), articulated last box (2) at box (1) top down, symmetry set up glue injection hole (3) at last box (2) top and set up controlgear (11) at box (1) side down, its characterized in that: an upper die (4) is arranged in the upper box body (2), a hydraulic cylinder (10) is arranged on the inner bottom surface of the lower box body (1), a supporting plate (8) is arranged at the movable end of the hydraulic cylinder (10), a connecting shaft is rotatably arranged in the middle of the top surface of the supporting plate (8), a lower die (5) matched with the upper die (4) is arranged at the top of the connecting shaft, an adjusting mechanism used for adjusting the rotation of the lower die (5) is arranged on the outer wall of the connecting shaft, and a pressing mechanism is arranged on one side of the top surface of the lower box body (1);

the adjusting mechanism comprises a gear (6) arranged on the outer wall of the connecting shaft, a short shaft is rotatably arranged on one side of the top surface of the supporting plate (8), a semi-gear (7) meshed with the gear (6) is arranged on the outer wall of the short shaft, the bottom of the short shaft movably penetrates through the bottom of the supporting plate (8), and a servo motor (9) is arranged at the bottom of the short shaft.

2. The in-mold rotary two-color IML injection mold according to claim 1, wherein: rectangular cavity has been seted up to lower box (1) top surface one side, pressing means is including sliding movable plate (17) that sets up in the rectangle, be equipped with reset spring (15) between movable plate (17) and the rectangular cavity, movable plate (17) both sides face is equipped with rectangle slider (16), rectangle spout has been seted up in cooperation rectangle slider (16) on the rectangle intracavity wall, one of them the bottom surface is equipped with pressure sensor (14) in the rectangle spout.

3. The in-mold rotating type dual-color IML injection mold according to claim 1, wherein: the supporting plate is characterized in that a supporting rod (12) is arranged on one side of the top surface of the supporting plate (8), a sliding block (13) is arranged at the top of the supporting rod (12), an annular groove is formed in the bottom surface of the lower die (5) in a matched mode with the sliding block (13), and the sliding block (13) and the cross section of the annular groove are in a trapezoidal shape.

4. The in-mold rotary two-color IML injection mold according to claim 3, wherein: the annular rubber pad is arranged on the inner wall of the annular groove, a plurality of arc-shaped protrusions are uniformly arranged on the outer wall of the annular rubber pad, and arc-shaped grooves are formed in the inner wall of the annular groove in a matched mode.