CN223058256U - Mould of ejecting drawing of patterns of secondary - Google Patents

Abstract

The utility model discloses a mold for secondary ejection and demolding, which comprises a front mold panel, wherein a stripper plate is arranged on the lower surface of the front mold panel, a push plate is arranged on the lower surface of the front mold frame, a push rod is connected with the lower surface of a carrier plate in a penetrating way, a sliding block is fixedly connected with the lower surface of the push rod, a thimble panel is arranged on the lower surface of the sliding block, a groove is arranged on the upper surface of the thimble panel, a push block is fixedly connected with the inner surface of the carrier plate, the push block is clamped with the groove of the thimble panel, and the mold for secondary ejection and demolding has the advantages of quick demolding, shortened demolding time and improved production efficiency.

Description

Mould of ejecting drawing of patterns of secondary

Technical Field

The utility model relates to the technical field of injection molds, in particular to a mold capable of being ejected and demolded secondarily.

Background

In modern production, reasonable processing technology and efficient equipment are three essential factors, and advanced dies are especially important factors for realizing material processing technology requirements, use requirements among plastics and modeling design, and efficient full-automatic equipment can only play a role only when the dies for automatic production are arranged, so that production and updating of products are all premised on manufacturing and updating of the dies, and the dies are required to be increasingly high due to high product variety and yield requirements, so that continuous forward development of the dies is promoted.

The existing mould adopts a single or multi-element ejection mechanism, the ejection action is completed once, but because the new assembly of the finished product is special or the requirement of mass production is met, if the finished product is still in the mould after the primary ejection, or the mould cannot automatically fall off, the manual demoulding is required, the demoulding time of the mould is increased, the processing efficiency is low, and as disclosed in Chinese patent, the application number of the secondary ejection structure for the mould convenient to demould is CN202020138370.2, which comprises a bracket, a first ejector rod, a second ejector rod, a first air pipe, a second air pipe, a first air pipe and a first air pipe, wherein the first ejector rod is assembled in the lower mould core, the second ejector rod is assembled in the first ejector rod, the device has a single structure, and other structures are required to be additionally arranged, so that the cost is improved, and the applicability is limited.

Disclosure of utility model

The utility model aims to at least solve one of the technical problems in the prior art and provide a mold with secondary ejection and demolding, and the device has the advantages of quick demolding, shortened demolding time and improved production efficiency by improving the mold with secondary ejection and demolding, and can realize the secondary ejection and demolding, realize automatic demolding without manual demolding and effectively improve the production efficiency by pushing the push block out of the slide block to the movement direction to slide for a limit distance when the ejector pin panel is ejected.

The utility model further provides a die with the secondary ejection and demolding function, which comprises a front die panel, wherein the lower surface of the front die panel is provided with a stripper plate, the lower surface of the stripper plate is fixedly connected with a front die frame, the inner surface of the front die frame is hollow, a front die core is inlaid in the inner surface of the front die frame, the lower surface of the front die frame is provided with a second plugging screw, and the upper surface of the front die panel is provided with a first plugging screw.

The lower surface of front mould frame is provided with the push pedal, the lower surface of push pedal is provided with the carrier plate, the lower surface through connection of carrier plate has the ejector pin, the lower surface fixedly connected with slider of ejector pin, the lower surface of slider is provided with the thimble panel, the upper surface of thimble panel is provided with the recess, the internal surface fixedly connected with ejector pad of carrier plate, ejector pad looks joint with the recess of thimble panel. Through mutually supporting between the above-mentioned part, when ejecting through the thimble panel, the ejector pad pushes away the slider and slides spacing distance to the direction of motion when ejecting for the first time, and then the thimble panel is ejecting at the second time, can realize ejecting drawing of patterns twice, realizes automatic drawing of patterns.

According to the mold for secondary ejection demolding disclosed by the utility model, the lower surface of the ejector pin panel is provided with the ejector pin bottom, and the lower surface of the ejector pin bottom is fixedly connected with the rear mold panel. Through the mutual cooperation between the above-mentioned parts, be convenient for connect.

According to the mold for secondary ejection demolding disclosed by the utility model, the upper surface of the rear mold panel is fixedly connected with the mold feet, and the upper surfaces of the mold feet are fixedly connected with the carrier plate. Through the mutual cooperation between the above-mentioned parts for support the mould and adjust the height of mould, the stroke of the thimble panel of being convenient for and push pedal.

According to the mold for secondary ejection demolding disclosed by the utility model, the third plugging screw is arranged on the upper surface of the push plate, and the push plate is fixedly connected with the carrier plate through the third plugging screw. Through mutually supporting between the above-mentioned parts, the fixed of push pedal and carrier plate of being convenient for, and convenient to detach.

According to the mold for secondary ejection demolding disclosed by the utility model, the upper surface of the push plate is provided with the opening, and the inner surface of the opening is fixedly connected with the rubber plug. Through the mutual cooperation between the parts, the leakage of liquid or gas in the die is prevented, and the sealing effect is achieved.

According to the mold for secondary ejection demolding disclosed by the utility model, the upper surface of the push plate is provided with the slot, and the inner surface of the slot is embedded with the return pin collision block. Through the mutual matching among the parts, the ejector pin panel is guided during ejection, so that the front die is prevented from being damaged by the ejector pin.

According to the mold for secondary ejection demolding disclosed by the utility model, the rear mold core is inlaid on the inner surface of the push plate, and the first rear mold insert and the second rear mold insert are arranged on the upper surface of the rear mold core. Through mutually supporting between the above-mentioned part, conveniently split mould, simplify the mould structure, raise the efficiency, and do benefit to the exhaust, avoid appearing stranded gas, burnt scheduling problem.

According to the mold for secondary ejection demolding, the front mold panel is fixedly connected with the stripper plate through the first plugging screw, and the front mold frame is fixedly connected with the stripper plate through the second plugging screw. Through the mutual matching among the parts, the stripper plate is convenient for bearing the concentrated stress generated in the production process of the forming part.

Advantageous effects

Compared with the prior art, the utility model has the advantages of quick demolding, shortening demolding time and improving production efficiency by improving the mold for the secondary ejection demolding, and can realize the secondary ejection demolding, realize the automatic demolding without manual demolding and effectively improve the production efficiency by finishing the first ejection when the push block pushes the sliding block to slide in the movement direction for a limit distance during the ejection movement of the ejector pin panel, so that the ejector pin panel is ejected for the second time.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is an overall block diagram of a two-shot ejector demolding mold of the present utility model;

FIG. 2 is an internal structural diagram of a two-shot ejector demolding mold according to the present utility model;

FIG. 3 is a front panel connection block diagram of a two-shot ejector demolding mold according to the present utility model;

FIG. 4 is a diagram showing the internal connection structure of the front mold insert of the mold for the secondary ejection and demolding of the present utility model;

Legend description:

1. Front mould panel, 2, stripper plate, 3, front mould frame, 4, first plug screw, 5, front mould core, 6, second plug screw, 7, back mould panel, 8, thimble bottom, 9, thimble panel, 10, mould foot, 11, carrier plate, 12, push plate, 13, slide block, 14, ejector rod, 15, push block, 16, third plug screw, 17, rubber plug, 18, back needle bump block, 19, first back mould insert, 20, second back mould insert, 21, back mould core.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, the secondary ejection demolding mold provided by the embodiment of the utility model comprises a front mold panel 1, wherein the front mold panel 1 is fixedly connected with a stripper plate 2 through a first plugging screw 4, a front mold frame 3 is fixedly connected with the stripper plate 2 through a second plugging screw 6, the stripper plate 2 is convenient to bear concentrated stress generated in a production process of a formed part, the stripper plate 2 is arranged on the lower surface of the front mold panel 1, the front mold frame 3 is fixedly connected with the lower surface of the stripper plate 2, the inner surface of the front mold frame 3 is hollow, a front mold core 5 is inlaid on the inner surface of the front mold frame 3, a second plugging screw 6 is arranged on the lower surface of the front mold frame 3, and the first plugging screw 4 is arranged on the upper surface of the front mold panel 1.

The lower surface of the front mold frame 3 is provided with a push plate 12, the inner surface of the push plate 12 is inlaid with a rear mold core 21, the upper surface of the rear mold core 21 is provided with a first rear mold insert 19 and a second rear mold insert 20, the mold is convenient to split, the mold structure is simplified, the efficiency is improved, the exhaust is facilitated, the problems of trapped air, scorching and the like are avoided, the upper surface of the push plate 12 is provided with a slot, the slotted inner surface is inlaid with a needle return collision block 18, the needle return panel 9 is guided during ejection, so that the needle return panel is prevented from damaging the front mold, the upper surface of the push plate 12 is provided with an opening, the inner surface of the opening is fixedly connected with a rubber plug 17, the leakage of liquid or gas in the mold is prevented, the sealing effect is achieved, the upper surface of the push plate 12 is provided with a third plug driving screw 16, the push plate 12 is fixedly connected with a support plate 11 through the third plug driving screw 16, the fixing of the push plate 12 and the support plate 11 is convenient to detach, the lower surface of the push plate 12 is provided with a support plate 11, the lower surface of the support plate 11 is connected with a push rod 14 in a penetrating way, the lower surface of the push rod 14 is fixedly connected with a sliding block 13, the lower surface of the sliding block 13 is provided with a thimble panel 9, the lower surface of the thimble panel 9 is provided with a thimble bottom 8, the lower surface of the thimble bottom 8 is fixedly connected with a rear mould panel 7, the connection is convenient, the upper surface of the rear mould panel 7 is fixedly connected with a mould foot 10, the upper surface of the mould foot 10 is fixedly connected with the support plate 11 and is used for supporting the mould and adjusting the height of the mould, the stroke of the thimble panel 9 and the push plate 12 is convenient to control, the upper surface of the thimble panel 9 is provided with a groove, the inner surface of the support plate 11 is fixedly connected with a push block 15, the push block 15 is clamped with the groove of the thimble panel 9, when the push block 15 pushes the sliding block 13 to slide a limiting distance in the movement direction through the ejection movement of the thimble panel 9, and then the ejector pin panel 9 is ejected for the second time, so that the ejection and demolding for the second time can be realized, and the automatic demolding can be realized.

When the device is used, the front mold panel 1 and the carrier plate 11 are matched through the guide posts, molten plastic is injected into the cavity from the glue injection port, after the front mold panel 1 is molded, the front mold panel 1 moves downwards, the ejector pin panel 9 is ejected upwards under the action of the springs while the front mold panel 1 and the carrier plate 11 are opened, so that the ejector rod 14 ejects the sliding block 13 upwards under the action of the springs, meanwhile, the ejector pin ejects a plastic part upwards under the action of the springs, the plastic part is separated from the rear mold core 21, finally the plastic part is taken out, and then the device is operated again, so that the quick demolding of the device is facilitated, the demolding time is shortened through twice, the production efficiency is improved, the ejector block 12 ejects the sliding block 13 to a limiting distance in the moving direction during the ejection movement of the ejector pin panel 9, the first ejection is ended, the ejector pin 9 is ejected for the second time, the automatic ejection can be realized, the manual demolding is not needed, and the production efficiency can be effectively improved.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (8)

1. The mold for secondary ejection demolding is characterized by comprising a front mold panel (1), wherein a stripper plate (2) is arranged on the lower surface of the front mold panel (1), a front mold frame (3) is fixedly connected to the lower surface of the stripper plate (2), the inner surface of the front mold frame (3) is hollow, a front mold core (5) is inlaid on the inner surface of the front mold frame (3), a second plugging screw (6) is arranged on the lower surface of the front mold frame (3), and a first plugging screw (4) is arranged on the upper surface of the front mold panel (1);

The lower surface of front mould frame (3) is provided with push pedal (12), the lower surface of push pedal (12) is provided with carrier plate (11), the lower surface through connection of carrier plate (11) has ejector pin (14), the lower fixed surface of ejector pin (14) is connected with slider (13), the lower surface of slider (13) is provided with thimble panel (9), the upper surface of thimble panel (9) is provided with the recess, the internal surface fixedly connected with ejector pad (15) of carrier plate (11), ejector pad (15) and the recess looks joint of thimble panel (9).

2. The mold for secondary ejection and demolding according to claim 1, wherein a thimble bottom (8) is arranged on the lower surface of the thimble panel (9), and a rear mold panel (7) is fixedly connected to the lower surface of the thimble bottom (8).

3. The mold for secondary ejection and demolding according to claim 2, wherein the upper surface of the rear mold panel (7) is fixedly connected with mold pins (10), and the upper surface of the mold pins (10) is fixedly connected with a carrier plate (11).

4. The mold for secondary ejection and demolding according to claim 1, wherein a third plugging screw (16) is arranged on the upper surface of the push plate (12), and the push plate (12) is fixedly connected with the carrier plate (11) through the third plugging screw (16).

5. The mold for secondary ejection and demolding according to claim 1, wherein the upper surface of the push plate (12) is provided with an opening, and the inner surface of the opening is fixedly connected with a rubber plug (17).

6. The mold for double ejection and demolding according to claim 1, wherein the upper surface of the push plate (12) is provided with a groove, and the inner surface of the groove is inlaid with a needle return bump (18).

7. The mold for secondary ejection and demolding according to claim 1, wherein a rear mold core (21) is inlaid on the inner surface of the push plate (12), and a first rear mold insert (19) and a second rear mold insert (20) are arranged on the upper surface of the rear mold core (21).

8. The mold for secondary ejection and demolding according to claim 1, wherein the front mold panel (1) is fixedly connected with the stripper plate (2) through a first plugging screw (4), and the front mold frame (3) is fixedly connected with the stripper plate (2) through a second plugging screw (6).