CN218660237U

CN218660237U - Five metals die-cut anti-sticking control structure in injection mold

Info

Publication number: CN218660237U
Application number: CN202222667288.0U
Authority: CN
Inventors: 汤秋梅; 吴泉东; 刘剑波
Original assignee: Jiangsu Junwei Precision Parts Technology Co ltd
Current assignee: Jiangsu Junwei Precision Parts Technology Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-21
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a die-cut anti-sticking control structure of five metals in injection mold, include: hardware, titanium palladium recovery box, mould plastics and mould plastics lower mould, the lower mould of moulding plastics includes die holder, lower bolster, lower mould shaping insert and titanium palladium blanking insert, the hardware sets up in the lower mould shaping inserts, be provided with titanium palladium in the hardware, mould plastics and go up the mould and include upper die base, cope match-plate pattern, go up mould shaping insert, dash the needle panel and dash the needle push pedal, it sets up towards titanium palladium in the needle panel and downward pointing to dash the needle, be provided with the first blanking hole that corresponds with dashing the needle in the titanium palladium blanking insert, transversely be provided with the air current way below the first blanking hole of route in the lower bolster. In this way, injection mold in die-cut anti-sticking control structure of five metals, through moving down of dashing the needle when moulding plastics the pressurize and carry out titanium palladium's in the hardware die-cut, promoted production efficiency, avoided titanium palladium jamming, the problem of jam.

Description

Five metals die-cut anti-sticking control structure in injection mold

Technical Field

The utility model relates to an injection mold field especially relates to a die-cut anti-sticking control structure of five metals in injection mold.

Background

With the rapid development of the plastic industry, the application range of plastic products is continuously expanded, and the complexity and innovation requirements of plastic mold design and manufacture are also continuously improved. In the injection molding electronic products of automobiles, the interior of the products often needs to be wrapped with complex circuit hardware connecting pieces.

In the production process of the mold, the plastic product with the circuit hardware connecting piece generally needs two steps:

firstly, putting a hardware connecting piece into an injection mold to complete the encapsulation of the hardware connecting piece;

and the second step is that the product coated with the glue is taken out from the injection mold, titanium and palladium used for fixing the circuit in hardware are cut off on an outer cutting mold, so that short circuit of the circuit and batch defects caused by uncut or incomplete cut of the titanium and palladium on the product are avoided.

Obviously, the traditional method is to add a die cutting procedure, which is time-consuming and expensive due to the addition of a set of die cutting. In addition, when in actual use, the titanium palladium is easy to block, and a punch is often damaged or the titanium palladium is cut continuously due to hole blockage caused by titanium palladium blanking, so that a defective product is produced or the machine is stopped for repairing the die, and the production labor cost and the die manufacturing and maintaining cost are greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a die-cut anti-sticking control structure of five metals in injection mold, carries out titanium palladium's on the hardware die-cut among the injection molding process to avoid titanium palladium blanking jamming problem.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a die-cut anti-sticking control structure of five metals in injection mold, includes: the injection molding upper die comprises an upper die base, a lower die plate, a lower die forming insert and a titanium palladium blanking insert, the lower die plate is arranged above the lower die base, the lower die forming insert is arranged on the lower die plate, the hardware is arranged in the lower die forming insert, the titanium palladium is arranged in the hardware, the titanium palladium blanking insert is arranged in the lower die forming insert and located below the titanium palladium, the injection molding upper die comprises an upper die base, an upper die plate, an upper die forming insert, a punching needle panel and a punching needle push plate, the upper die plate is arranged below the upper die base, the upper die forming insert is arranged at the bottom of the upper die plate and can be lifted and arranged below the upper die plate, the punching needle panel is arranged at the bottom of the punching needle push plate, the punching needle is arranged in the punching needle panel and points to the titanium palladium downwards, a first blanking hole corresponding to the punching needle is arranged in the titanium palladium insert, a first blanking hole is transversely arranged in the lower die plate, and an airflow channel below the titanium palladium recovery box is arranged at one side of the lower die plate and located at the tail end of the lower die plate.

In a preferred embodiment of the present invention, the injection upper mold further comprises a push plate driving device, and the push plate driving device is connected between the upper mold base and the punch pin push plate.

In a preferred embodiment of the present invention, the push plate driving device employs a hydraulic cylinder.

In a preferred embodiment of the present invention, the punch pin penetrates the upper die plate and the upper die forming insert downward.

In a preferred embodiment of the present invention, an air pipe connector is disposed at a front end of the air flow channel.

In a preferred embodiment of the present invention, the outer side of the titanium palladium recycling box is provided with an air outlet.

In a preferred embodiment of the present invention, a second blanking hole is vertically disposed in the lower template and connects the first blanking hole and the air channel, and the diameter of the first blanking hole is smaller than that of the second blanking hole.

In a preferred embodiment of the present invention, the two ends of the titanium palladium are provided with pre-breaking notches.

The utility model has the advantages that: the utility model provides a die-cut anti-sticking control structure of five metals in injection mold, the mould is moulded plastics and the needle has been designed in very much, during the pressurize of moulding plastics, through moving down of punching the needle carry on in the hardware titanium palladium die-cut, need not other hand hay cutter mould, the production efficiency has been promoted, the cost of production has been reduced, the titanium palladium that die-cut got off gets into the air current way through first blanking hole whereabouts, get into titanium palladium through the air current fast and retrieve the box, the jamming has been avoided, the problem of jam, reduce the maintenance cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:

FIG. 1 is a schematic view of a mold opening structure of a preferred embodiment of an injection molding upper mold in an injection mold inner hardware punching anti-sticking control structure of the present invention;

FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of a preferred embodiment of an injection molding lower mold in the hardware punching anti-sticking control structure of the injection mold of the present invention;

FIG. 4 is a sectional view taken along line B-B of FIG. 3;

fig. 5 is a partially enlarged view of a portion C in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described below clearly and completely, and it should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention includes:

die-cut anti-sticking control structure of five metals in injection mold shown in fig. 1~ 5 includes: hardware 4, titanium palladium recovery box 3, mould plastics and mould plastics lower mould 1 with mould plastics upper die 2 and correspond, as shown in fig. 3 and fig. 4, mould plastics lower mould 1 includes die holder 11, lower bolster 12, lower mould shaping insert 13 and titanium palladium blanking insert 14, and lower bolster 12 sets up in die holder 11 top to keep the interval of lower bolster 12 and die holder 11 through the cushion.

The lower die forming insert 13 is disposed on the lower die plate 12, and in this embodiment, an insert groove corresponding to the lower die forming insert 13 is concavely disposed on the lower die plate 12, so as to facilitate assembly and screw fixation. Hardware 4 sets up in lower mould shaping inserts 13, can set up reference column, isolation pin etc. in the lower mould shaping inserts 13 and carry out the location of hardware 4, and this is prior art, does not do not give unnecessary details.

As shown in fig. 5, titanium palladium 41 is provided in the hardware 4, and a titanium palladium blanking insert 14 is provided in the lower die forming insert 13 and below the titanium palladium 41. The titanium palladium 41 is generally the same as the metal fitting 4 in thickness, is about 0.8mm in thickness, is not easily punched, and easily damages the punching pin 22. In this embodiment, two ends of the titanium palladium 41 are provided with pre-fracture notches 42, and the pre-fracture notches 42 can be obtained during the stamping production of the hardware 4, so as to thin the notch and reduce the punching difficulty.

In this embodiment, the titanium palladium blanking insert 14 is provided with a first blanking hole 15 corresponding to the punching pin, and the first blanking hole 15 is polished to increase the smoothness, reduce friction resistance during titanium palladium blanking, and demagnetize and remove static electricity, so that the titanium palladium falls smoothly after being punched.

An air flow channel 16 passing below the first blanking hole 15 is transversely arranged in the lower template 12, a second blanking hole 18 connecting the first blanking hole 15 and the air flow channel 16 is vertically arranged in the lower template 12, and the diameter of the first blanking hole 15 is smaller than that of the second blanking hole 18, so that titanium and palladium in the first blanking hole 15 can smoothly enter the air flow channel 16 through the second blanking hole 18.

In order to avoid titanium palladium clamping stagnation, the front end of the air flow channel 16 is provided with an air pipe connector 17 which is externally connected with a compressed air supply pipeline and blows high-pressure air into the air flow channel 16. The titanium palladium recovery box 3 is arranged on one side of the lower template 12 and positioned at the tail end of the airflow channel 16, and can be fixed through screws, so that the structure is firm, titanium palladium in the airflow channel 16 enters the titanium palladium recovery box 3 along with airflow, and the titanium palladium is prevented from being accumulated and blocked in the airflow channel 16. In this embodiment, the outer side of the titanium palladium recovery box 3 is provided with the air outlet holes 31, and the number of the air outlet holes 31 is large, but the diameter is small, so that the air is conveniently exhausted, but the flying-out of the titanium palladium is avoided.

As shown in fig. 1 and 2, the upper injection mold 2 includes an upper mold base 21, an upper mold plate 26, an upper mold forming insert 27, a punch pin 22, a punch pin panel 24, a punch pin push plate 23, and a push plate driving device 25, the upper mold plate 26 is disposed below the upper mold base 21, and a certain distance may be maintained between the upper mold plate 26 and the upper mold base 21 by a spacer, and the upper mold plate and the upper mold base 21 are fixed by bolts, so that structural stability is ensured.

The upper die forming insert 27 is arranged at the bottom of the upper die plate 26, and after the injection upper die 2 moves downwards and is matched with the injection lower die 1, the injection molding and encapsulation of the hardware 4 are carried out through the matching of the upper die forming insert 27 and the lower die forming insert 13.

The punch pin push plate 23 is arranged below the upper die plate 26 in a liftable manner, in this embodiment, the push plate driving device 25 is connected between the upper die base 21 and the punch pin push plate 23, and the push plate driving device 25 may adopt a hydraulic cylinder and drives the punch pin push plate 23 to move up and down by the extension and retraction of the push plate driving device 25.

The punching needle panel 24 is arranged at the bottom of the punching needle push plate 23 and is fixed by screws, so that the punching needle panel 24 can move up and down along with the punching needle push plate 23. The punching needle 22 is arranged in the punching needle panel 24 and points downwards to the titanium palladium 41, and the punching needle 22 penetrates through the upper template 26 and the upper die forming insert 27 downwards, so that the matching action with the titanium palladium blanking insert 14 is facilitated. The top of the punching needle 22 is clamped and fixed through the punching needle push plate 23 and the punching needle panel 24, so that the punching needle 22 can move downwards along with the punching needle push plate 23 during injection molding and pressure maintaining to punch titanium palladium 41, the punched titanium palladium is sent into the first blanking hole 15, and finally the titanium palladium recovery box 3 is blown in for centralized treatment.

To sum up, the utility model provides a die-cut anti-sticking control structure of five metals in injection mold has realized carrying out titanium palladium's die-cut at the in-process of moulding plastics, need not follow-up solitary hand hay cutter mould operation, has promoted production efficiency, has avoided titanium palladium moreover in the jamming and the jam problem of in-process that falls down, has reduced the problem of shutting down and maintaining.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a die-cut anti-sticking control structure of five metals in injection mold which characterized in that includes: the injection molding upper die comprises an upper die base, a lower die plate, a lower die forming insert and a titanium palladium blanking insert, the lower die plate is arranged above the lower die base, the lower die forming insert is arranged on the lower die plate, the hardware is arranged in the lower die forming insert, the titanium palladium is arranged in the hardware, the titanium palladium blanking insert is arranged in the lower die forming insert and located below the titanium palladium, the injection molding upper die comprises an upper die base, an upper die plate, an upper die forming insert, a punching needle panel and a punching needle push plate, the upper die plate is arranged below the upper die base, the upper die forming insert is arranged at the bottom of the upper die plate and can be lifted and arranged below the upper die plate, the punching needle panel is arranged at the bottom of the punching needle push plate, the punching needle is arranged in the punching needle panel and points to the titanium palladium downwards, a first blanking hole corresponding to the punching needle is arranged in the titanium palladium insert, a first blanking hole is transversely arranged in the lower die plate, and an airflow channel below the titanium palladium recovery box is arranged at one side of the lower die plate and located at the tail end of the lower die plate.

2. The punching anti-jamming control structure for hardware in the injection mold according to claim 1, wherein the injection upper mold further comprises a push plate driving device, and the push plate driving device is connected between the upper mold base and the punch pin push plate.

3. The structure of claim 2, wherein the push plate driving device is a hydraulic cylinder.

4. The structure of claim 1, wherein the punch pin penetrates the upper mold plate and the upper mold forming insert downward.

5. The structure of claim 1, wherein the front end of the air channel is provided with an air pipe interface.

6. The structure of claim 1, wherein an air outlet is arranged on the outer side of the titanium palladium recovery box.

7. The structure of claim 1, wherein a second blanking hole is vertically formed in the lower die plate and connects the first blanking hole with the air channel, and the diameter of the first blanking hole is smaller than that of the second blanking hole.

8. The structure of claim 1, wherein pre-breaking notches are provided at both ends of the titanium palladium.