CN215151513U

CN215151513U - Inclined ejection mechanism of injection mold

Info

Publication number: CN215151513U
Application number: CN202120993097.6U
Authority: CN
Inventors: 杨炯; 徐阳平; 金敬安
Original assignee: Zhejiag Taizhou Meiduo Mould Co ltd
Current assignee: Zhejiag Taizhou Meiduo Mould Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-14
Anticipated expiration: 2031-05-11

Abstract

The utility model relates to an injection mold's push up ejection mechanism to one side, including the movable mould, the movable mould includes thimble board, pushes up and the movable mould is inserted to one side, the top includes I-shaped piece, oblique top and connection to one side the oblique ejector pin of I-shaped piece and oblique top, be fixed with the slider of leading on the thimble board, it has the I-shaped groove that the slope set up to lead the system in the slider, the I-shaped piece is located the I-shaped inslot, the overhead system has the auxiliary hole to one side, the auxiliary hole includes bullet hole, spacing hole and connection the connecting hole in spacing hole and bullet hole, the downthehole bullet piece that is provided with of bullet piece, spacing downthehole screw that is equipped with. Compared with the prior art, the inclined ejector of the utility model performs core-pulling movement obliquely downwards along the inclined I-shaped groove while performing ejection movement, the structure is simple, and the movement process is simplified and stable; through set up the bullet piece on the oblique top, the condition that the dark muscle glues the oblique top appears in the time of preventing the drawing of patterns, guarantees the smooth drawing of patterns of dark muscle, improves the yield of product.

Description

Inclined ejection mechanism of injection mold

Technical Field

The utility model relates to an injection mold's push up ejection mechanism to one side belongs to injection mold technical field.

Background

The sliding panel of the cabinet air conditioner is provided with a deep rib which is 15mm long and is obliquely arranged, and because the deep rib is obliquely arranged, ejection and core pulling are required to be completed simultaneously during demolding, the ejection mechanism in the prior art is complex in structure, large in size and complicated and unstable in motion process; and the condition that the deep rib is stuck to the ejection mechanism easily occurs during demoulding, so that demoulding failure is caused, and the finished product rate of products is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the shortcoming of prior art, provide a realize that the oblique top ejection mechanism of the smooth drawing of patterns of dark muscle on the cabinet air conditioner sliding panel.

For realizing the purpose the utility model adopts the technical proposal that:

an inclined ejection mechanism of an injection mold comprises a movable mold, wherein the movable mold comprises an ejector plate, an inclined ejector and a movable mold insert, the inclined ejector comprises an I-shaped block, an inclined ejector head and an inclined ejector rod connected with the I-shaped block and the inclined ejector head, a guide sliding block is fixed on the ejector plate, an I-shaped groove which is obliquely arranged is formed in the guide sliding block, the I-shaped block is positioned in the I-shaped groove, an inclined ejector groove is formed in the movable mold insert, the inclined ejector head is positioned in the inclined ejector groove, an auxiliary hole is formed in the inclined ejector head and comprises an elastic block hole, a limiting hole and a connecting hole connected with the limiting hole and the elastic block hole, a first limiting step is formed between the elastic block hole and the connecting hole, a second limiting step is formed between the limiting hole and the connecting hole, an elastic block is arranged in the elastic block hole, and a spring groove is formed on one side of the elastic block, which is close to the limiting hole, the spring slot is internally provided with a spring, one end of the spring is abutted against the slot bottom of the spring slot, the other end of the spring is abutted against the first limiting step, a screw is arranged in the limiting hole, and the rod part of the screw penetrates through the connecting hole and the spring and is fixed on the elastic block.

As a further optimization of the above technical solution: when the die is assembled, the inclined top, the movable die insert and the elastic block jointly form a part of die cavity, the I-shaped block is located at the higher end of the I-shaped groove, the spring is compressed, and a gap is reserved between the head of the screw and the second limiting step.

As a further optimization of the above technical solution: the inclination angle of the I-shaped groove is 15 degrees.

As a further optimization of the above technical solution: and when the die is closed, the distance between the head of the screw and the second limiting step is 3 mm.

As a further optimization of the above technical solution: and an inclined ejection guide block is further fixed in the movable mould, and the inclined ejector rod penetrates through the inclined ejection guide block and can move up and down relative to the inclined ejection guide block.

As a further optimization of the above technical solution: the elastic blocks, the springs and the screws are provided with two groups.

Compared with the prior art, the inclined ejector of the utility model performs core-pulling movement obliquely downwards along the inclined I-shaped groove while performing ejection movement, the structure is simple, and the movement process is simplified and stable; the elastic block is arranged on the inclined top, so that the condition that the deep rib is stuck to the inclined top during demolding is prevented, smooth demolding of the deep rib is guaranteed, and the yield of products is improved; and the second limit step and the head of the screw are matched to play a limiting role in the popping process of the elastic block, so that the elastic block is prevented from being popped excessively.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 3 is a schematic perspective view of a middle part of the structure of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description. As shown in fig. 1-3, the lifter ejection mechanism of the injection mold comprises a movable mold, wherein the movable mold comprises an ejector plate 1, a lifter 2 and a movable mold insert 3, and the lifter 2 comprises an i-shaped block 21, a lifter 22 and a lifter rod connecting the i-shaped block 21 and the lifter 22. A guide slide block 7 is fixed on the ejector plate 1, an i-shaped groove 71 which is obliquely arranged is formed in the guide slide block 7, and the inclination angle of the i-shaped groove 71 is 15 degrees in the embodiment. The i-shaped block 21 is located in the i-shaped slot 71. An inclined top groove is formed in the movable die insert 3, and the inclined top 22 is positioned in the inclined top groove. Auxiliary holes are formed in the inclined top head 22 and comprise an elastic block hole 221, a limiting hole 222 and a connecting hole 225 for connecting the limiting hole 222 and the elastic block hole 221, a first limiting step 223 is formed between the elastic block hole 221 and the connecting hole 225, and a second limiting step 224 is formed between the limiting hole 222 and the connecting hole 225. The elastic block hole 221 is internally provided with an elastic block 4, one side of the elastic block 4 close to the limiting hole 222 is provided with a spring groove 41, and a spring 6 is arranged in the spring groove 41. One end of the spring 6 abuts against the bottom of the spring groove 41, and the other end abuts against the first limit step 223. The limit hole 222 is internally provided with a screw 5, and the rod part of the screw 5 passes through the connecting hole 225 and the spring 6 and is fixed on the elastic block 4.

In the above technical scheme: when the die is closed, the inclined top 2, the movable die insert 3 and the elastic block 4 jointly form a part of die cavity, the I-shaped block 21 is located at the higher end of the I-shaped groove 71, the deep rib 8 on the product is located in the elastic block hole 221 and is tightly attached to the inclined top 2 and the elastic block 4, the spring 6 is compressed, and the distance between the head of the screw 5 and the second limiting step 224 is 3 mm.

In the above technical scheme: and an inclined top guide block 9 is further fixed in the movable die, and the inclined top rod penetrates through the inclined top guide block 9 and can move up and down relative to the inclined top guide block 9. The inclined top guide block 9 plays a role in guiding the ejection process of the inclined top 2.

In the above technical scheme: the elastic block 4, the spring 6 and the screw 5 are provided with two groups. Be equipped with the dark muscle in many places on the cabinet air conditioner, set up two bullet pieces 4 and can prevent that the area of contact between dark muscle and the bullet piece 4 is too big, influence follow-up drawing of patterns.

The utility model discloses an operating process as follows, the back of finishing of moulding plastics, the separation of cover half, ejector plate 1 drive push up 2 and bullet piece 4 are ejecting motion to one side, but the I-shaped groove 71 cooperation of I-shaped piece 21 and slope makes to push up 2 to one side for ejector plate 1 and 4 oblique downstream of bullet piece, accomplishes and looses core. In the process, the compressed spring 6 enables a counterforce to be always arranged between the inclined top 2 and the elastic block 4, and the deep rib is prevented from being stuck to the inclined top 2. Along with the downward movement of the pitched roof 2, the elastic force of the spring 6 is gradually released, the elastic block 4 gradually ejects the deep rib out until the head of the screw 5 is abutted against the second limiting step, and at the moment, the deep rib is completely separated from the pitched roof 2, so that the demoulding is completed.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, all should fall into the protection scope of the utility model, the technical scheme that the design of this technical field technical personnel according to the utility model can be obtained through logic analysis, reasoning or limited experiment on prior art's basis, all should fall into.

Claims

1. The inclined ejection mechanism of the injection mold comprises a movable mold and is characterized in that the movable mold comprises an ejector plate (1), an inclined ejector (2) and a movable mold insert (3), the inclined ejector (2) comprises an I-shaped block (21), an inclined ejector head (22) and an inclined ejector rod connected with the I-shaped block (21) and the inclined ejector head (22), a guide sliding block (7) is fixed on the ejector plate (1), an I-shaped groove (71) which is obliquely arranged is formed in the guide sliding block (7), the I-shaped block (21) is positioned in the I-shaped groove (71), an inclined ejector groove is formed in the movable mold insert (3), the inclined ejector head (22) is positioned in the inclined ejector groove, an auxiliary hole is formed in the inclined ejector head (22), the auxiliary hole comprises an elastic block hole (221), a limiting hole (222) and a connecting hole (225) for connecting the limiting hole (222) and the elastic block hole (221), and a first limiting step (223) is formed between the elastic block hole (221) and the connecting hole (225), a second limiting step (224) is formed between the limiting hole (222) and the connecting hole (225), an elastic block (4) is arranged in the elastic block hole (221), a spring groove (41) is formed in one side, close to the limiting hole (222), of the elastic block (4), a spring (6) is arranged in the spring groove (41), one end of the spring (6) is abutted against the groove bottom of the spring groove (41), the other end of the spring is abutted against the first limiting step (223), a screw (5) is arranged in the limiting hole (222), and a rod part of the screw (5) penetrates through the connecting hole (225) and the spring (6) and is fixed on the elastic block (4);

when the die is assembled, the inclined top (2), the movable die insert (3) and the spring block (4) jointly form a partial die cavity, the I-shaped block (21) is located at the higher end of the I-shaped groove (71), the spring (6) is compressed, and a gap exists between the head of the screw (5) and the second limiting step (224).

2. The angle ejector mechanism of claim 1, wherein the angle of inclination of the I-shaped groove (71) is 15 °.

3. The angle ejection mechanism of an injection mold according to claim 1, wherein the distance between the head of the screw (5) and the second limit step (224) is 3mm when the mold is closed.

4. The lifter ejection mechanism of an injection mold according to claim 1, characterized in that a lifter guide block (9) is further fixed in the movable mold, and the lifter bar penetrates through the lifter guide block (9) and can move up and down relative to the lifter guide block (9).

5. The angle ejection mechanism of an injection mold according to claim 1, wherein the spring block (4), the spring (6) and the screw (5) are provided in two sets.