CN216992923U

CN216992923U - Injection mold with push pipe and straight ejector pin are different journey ejecting simultaneously

Info

Publication number: CN216992923U
Application number: CN202123433058.XU
Authority: CN
Inventors: 李小峰
Original assignee: Shenzhen Huifengxin Technology Co ltd
Current assignee: Shenzhen Huifengxin Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-19
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold with a push pipe and a straight ejector rod capable of being ejected out in different strokes simultaneously, which comprises an upper mold and a lower mold, wherein a pressing block is arranged at the center of the bottom of the upper mold, a pressing groove is formed in the center of the top of the lower mold, positioning columns are arranged at the corners of the bottom of the upper mold, positioning grooves are formed at the corners of the top of the lower mold, and an ejection mechanism is arranged at the bottom of the pressing groove; the ejection mechanism comprises an ejection block, a connecting spring, an ejection push pipe, a first compression spring, a first limit ring, a straight ejector rod, a second compression spring and a second limit ring, wherein the ejection block is embedded in the lower side wall in the indent, the left side and the right side of the bottom of the ejection block are connected with the lower die through the connecting spring, the ejection push pipe is arranged at the center of the bottom of the ejection block, and compared with the existing injection mold, the ejection mechanism can improve the overall convenience, safety and practicability of the injection mold through design.

Description

Injection mold with push pipe and straight ejector pin are simultaneously different journey ejecting

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with a push pipe and a straight ejector rod which are ejected in different strokes simultaneously.

Background

The application of injection mold in the life is comparatively general, wherein injection mold need utilize ejecting device to carry out ejecting to the product after the moulding, but current ejecting device project organization is too simple, the inconvenient accuse of ejecting in-process dynamics, cause the product to take place to warp the damage easily under the too big condition of dynamics, cause unnecessary economic loss, influence the normal preparation of product, overall security and practicality are generally not high, consequently, to current injection mold's improvement, design a novel injection mold who has ejector sleeve and straight ejector pin simultaneously different journey ejecting in order to change above-mentioned technical defect, improve whole injection mold's practicality, seem to be especially important.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold with a push pipe and a straight ejector rod which are ejected out in different strokes simultaneously, so as to solve the problems in the background technology.

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

the injection mold with the push pipe and the straight ejector rod capable of being ejected out in different strokes simultaneously comprises an upper mold and a lower mold, wherein a pressing block is arranged at the center of the bottom of the upper mold, a pressing groove is formed in the center of the top of the lower mold, positioning columns are arranged at the corners of the bottom of the upper mold, positioning grooves are formed in the corners of the top of the lower mold, and an ejection mechanism is arranged at the bottom of the pressing groove;

the ejection mechanism comprises an ejection block, a connecting spring, an ejection push pipe, a first compression spring, a first limiting ring, a straight ejector rod, a second compression spring and a second limiting ring, wherein the ejection block is embedded in the lower side wall of the inside of the pressure groove, the left side and the right side of the bottom of the ejection block are connected with the lower die through the connecting spring, the ejection push pipe is arranged at the center of the bottom of the ejection block, the first compression spring is sleeved on the outer side of the ejection push pipe, the first limiting ring is arranged at the bottom end of the ejection push pipe, the straight ejector rod is arranged inside the ejection push pipe, the outer side of the straight ejector rod is connected with the upper side wall of the inside of the ejection push pipe through the second compression spring, and the second limiting ring is arranged on the outer side of the straight ejector rod and below the second compression spring.

In a preferred embodiment of the utility model, the outer structure of the pressure block is matched to the inner structure of the pressure groove.

As a preferable scheme of the present invention, the position structure size of the positioning column corresponds to the position structure size of the positioning groove.

As a preferable scheme of the utility model, a movable cavity is arranged inside the lower die, the external structure size of the first limiting ring and the internal structure size of the movable cavity are arranged correspondingly, and the ejection push pipe is connected with the lower die in a sliding manner.

As a preferable scheme of the utility model, the inner structure size of the ejection push pipe is arranged corresponding to the outer structure size of the second limit ring, and the straight ejector rod is connected with the lower die and the ejection push pipe in a sliding manner.

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

in the utility model, through the design of the injection mold with the push pipe and the straight ejector rod which are ejected out in different strokes simultaneously, the upper mold and the lower mold can be quickly positioned and matched by using the positioning column and the positioning groove, the straight ejector rod of the ejection mechanism can push the ejection push pipe, so that the ejection block is driven by the ejection push pipe to eject a product formed in the pressure tank, the ejection mode is simple and convenient, the connecting spring, the first compression spring and the second compression spring can buffer the ejection force of the straight ejector rod and the ejection push pipe, the ejection block can be ensured to slowly eject the product in the pressure tank, the product deformation and damage caused by the over-quick ejection can be effectively avoided, the production quality of the product can be ensured, the straight ejector rod cannot influence the ejection speed of the ejection block no matter how much ejection force is used due to the mutual cooperation among the springs, and the integrity of the ejected product can be protected to the maximum degree, the whole safety and the practicability are higher.

Drawings

FIG. 1 is a schematic diagram of the overall explosive structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

fig. 3 is a schematic view of the overall structure of the ejection mechanism of the present invention.

In the figure: 1-upper die, 2-lower die, 3-pressing block, 4-pressing groove, 5-positioning column, 6-positioning groove, 7-ejection mechanism, 701-ejection block, 702-connecting spring, 703-ejection push pipe, 704-first compression spring, 705-first spacing ring, 706-straight ejector rod, 707-second compression spring and 708-second spacing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, rather than all of the embodiments, and based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

While several embodiments of the present invention will be described below in order to facilitate an understanding of the utility model, with reference to the related description, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the injection mold with the push pipe and the straight ejector rod capable of being ejected out in different strokes simultaneously comprises an upper mold 1 and a lower mold 2, wherein a pressing block 3 is arranged at the center of the bottom of the upper mold 1, a pressing groove 4 is formed in the center of the top of the lower mold 2, positioning columns 5 are arranged at corners of the bottom of the upper mold 1, positioning grooves 6 are formed in corners of the top of the lower mold 2, and an ejection mechanism 7 is arranged at the bottom of the pressing groove 4;

the ejection mechanism 7 comprises an ejection block 701, a connecting spring 702, an ejection push pipe 703, a first compression spring 704, a first limit ring 705, a straight ejector rod 706, a second compression spring 707 and a second limit ring 708, the ejection block 701 is embedded in the lower side wall inside the indent 4, the left side and the right side of the bottom of the ejection block 701 are both connected with the lower die 2 through the connecting spring 702, the ejection push pipe 703 is arranged at the center of the bottom of the ejection block 701, the first compression spring 704 is sleeved outside the ejection push pipe 703, the first limit ring 705 is arranged at the bottom end of the ejection push pipe 703, the straight ejector rod 706 is arranged inside the ejection push pipe 703, the outside of the straight ejector rod 706 is connected with the upper side wall inside the ejection push pipe through the second compression spring 707, and the second limit ring 708 is arranged outside the straight ejector rod 706 and below the second compression spring 707.

Further, the external structure size of the pressing block 3 is matched with the internal structure size of the pressing groove 4.

Furthermore, the position structure size of the positioning column 5 corresponds to the position structure size of the positioning groove 6.

Further, a movable cavity is arranged inside the lower die 2, the external structure size of the first limiting ring 705 corresponds to the internal structure size of the movable cavity, and the ejection push pipe 703 is connected with the lower die 2 in a sliding manner.

Further, the size of the internal structure of the push-out pipe 703 corresponds to the size of the external structure of the second limiting ring 708, and the straight ejector rod 706 is connected with the lower die 2 and the push-out pipe 703 in a sliding manner.

In the embodiment, referring to fig. 1-3, when the ejection mechanism 7 is in use, an upward acting force is applied to the straight ejector rod 706, and then the straight ejector rod 706 drives the second compression spring 707 to compress through the second limiting ring 708, so that the second compression spring 707 applies an acting force to the ejection tube 703, the ejection tube 703 moves upward and slowly, at this time, the first compression spring 704 is compressed by the acting force of the first limiting ring 705, the pushing force of the ejection tube 703 is reduced, the ejection tube 703 drives the ejection block 701 to eject upward, the connecting spring 702 at the bottom of the ejection block 701 reduces the pushing force of the ejection block 701 again, so that the ejection block 701 can perform slow ejection on a product, thereby effectively avoiding the product from being deformed and damaged, and the connecting spring 702, the first compression spring 704 and the second compression spring 707 can perform fast homing on the ejection mechanism 7, convenience, and convenience, The safety and the practicability are higher.

The working process of the utility model is as follows: when the injection mold with the push pipe and the straight ejector rod for simultaneous different-stroke ejection is used, firstly, a product is prepared by using a pressing block 3 of an upper mold 1 and a pressing groove 4 of a lower mold 2, a positioning column 5 and a positioning groove 6 can be quickly positioned when the upper mold 1 and the lower mold 2 are closed, after the product preparation is finished, the product needs to be ejected, when an ejection mechanism 7 is used, an upward acting force is applied to a straight ejector rod 706, then the straight ejector rod 706 drives a second compression spring 707 to compress through a second spacing ring 708, so that the second compression spring 707 applies an acting force to the ejection push pipe 703, the ejection push pipe 703 moves upwards and slowly, at the moment, the first compression spring 704 is compressed by the acting force of a first spacing ring 705, the pushing force for ejecting the ejection push pipe 703 is reduced, the ejection push pipe 703 drives the ejection block 701 to eject upwards, and the connecting spring 702 at the bottom of the ejection block 701 reduces the pushing force of the ejection block 701 again, therefore, the ejection block 701 can be ensured to slowly eject a product, deformation and damage of the product are effectively avoided, the connecting spring 702, the first compression spring 704 and the second compression spring 707 can rapidly reset the ejection mechanism 7, the whole operation process is simple and convenient, and compared with the existing injection mold, the injection mold provided by the utility model can improve the overall convenience, safety and practicability of the injection mold through design.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Injection mold with push tube is ejecting with straight ejector pin difference journey simultaneously, including last mould (1) and lower mould (2), its characterized in that: a pressing block (3) is arranged at the center of the bottom of the upper die (1), a pressing groove (4) is formed in the center of the top of the lower die (2), positioning columns (5) are arranged at corners of the bottom of the upper die (1), positioning grooves (6) are formed at corners of the top of the lower die (2), and an ejection mechanism (7) is arranged at the bottom of the pressing groove (4);

the ejection mechanism (7) comprises an ejection block (701), a connecting spring (702), an ejection push pipe (703), a first compression spring (704), a first limit ring (705), a straight ejector rod (706), a second compression spring (707) and a second limit ring (708), the ejection block (701) is embedded in the lower side wall in the indent (4), the left side and the right side of the bottom of the ejection block (701) are connected with the lower die (2) through the connecting spring (702), the ejection push pipe (703) is arranged at the center of the bottom of the ejection block (701), the first compression spring (704) is sleeved on the outer side of the ejection push pipe (703), the first limit ring (705) is arranged at the bottom end of the ejection push pipe (703), the straight ejector rod (706) is arranged in the ejection push pipe (703), the outer side of the straight ejector rod (706) is connected with the upper side wall in the ejection push pipe (703) through the second compression spring (707), and a second limiting ring (708) is arranged on the outer side of the straight ejector rod (706) and below the second compression spring (707).

2. The injection mold with the function of simultaneously ejecting the push pipe and the straight ejector rod in different strokes according to claim 1, characterized in that: the external structure size of the pressing block (3) is matched with the internal structure size of the pressing groove (4).

3. The injection mold with the function of simultaneously ejecting the push pipe and the straight ejector rod in different strokes according to claim 1, characterized in that: the position structure size of the positioning column (5) corresponds to the position structure size of the positioning groove (6).

4. The injection mold with the function of simultaneously ejecting the push pipe and the straight ejector rod in different strokes according to claim 1, characterized in that: the inner part of the lower die (2) is provided with a movable cavity, the external structure size of the first limiting ring (705) is arranged corresponding to the internal structure size of the movable cavity, and the ejection push pipe (703) is connected with the lower die (2) in a sliding manner.

5. The injection mold with the function of simultaneously ejecting the push pipe and the straight ejector rod in different strokes according to claim 1, characterized in that: the size of the inner structure of the ejection push pipe (703) corresponds to the size of the outer structure of the second limiting ring (708), and the straight push rod (706) is connected with the lower die (2) and the ejection push pipe (703) in a sliding manner.