CN111958911A

CN111958911A - Push up pendulum rod mould to one side

Info

Publication number: CN111958911A
Application number: CN202010602414.7A
Authority: CN
Inventors: 朱晓东; 叶路路
Original assignee: Huangshi Xiangyu Mould Technology Co ltd
Current assignee: Huangshi Xiangyu Mould Technology Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-11-20

Abstract

The invention discloses an inclined top oscillating bar die, which is used for injection molding of injection molding parts with reverse buckles, and comprises: a first mold body; a second mold body; the inclined top is provided with a groove for forming the inverted buckle, one end of the inclined top extends to the forming cavity, one end of the inclined top, which is arranged in the forming cavity, is provided with the groove for forming the inverted buckle, the demoulding direction of the inclined top and the inverted buckle is a second direction, and an included angle is formed between the second direction and the first direction; the drive division, the drive division with the other end of pushing up to one side is articulated, the direction of motion of drive division does first direction, the drive division drive the pushing up to one side pushes up the injection molding jack-up, because the pushing up to one side has the function of pendulum rod, can follow to one side the back-off on second direction and the injection molding breaks away from, because the second direction is unanimous with pushing up pivoted tangential direction to one side this moment, pushes up to one side and rotates less angle, can realize pushing up to one side and back-off's quick break away from.

Description

Push up pendulum rod mould to one side

Technical Field

The invention relates to the technical field of plastic molds, in particular to an inclined ejector rod mold.

Background

The injection mold is mainly a forming mold which is most commonly applied in the production of thermoplastic plastic parts, the processing equipment corresponding to the injection mold is an injection molding machine, plastics are heated and melted in a bottom heating material cylinder of the injection molding machine, then enter a mold cavity through a nozzle of the injection molding machine and a pouring system of the mold under the pushing of a screw rod or a plunger of the injection molding machine, and the plastics are cooled, hardened and formed, and are demolded to obtain the product.

The existing injection molding product has an inverted buckle structure, the mold opening direction of the inverted buckle is inconsistent with the mold opening direction of an injection molding body, and the technical personnel in the field are inconvenient to demould by adopting a conventional mold to realize the inverted buckle position.

Disclosure of Invention

The invention aims to overcome the technical defects and provide an inclined ejection swing rod die, which solves the technical problem that an inverted buckle structure in the prior art is inconvenient to demould.

In order to achieve the technical purpose, the technical scheme of the invention provides an inclined top oscillating bar die, which is used for injection molding of injection molding parts with reverse buckles, and is characterized by comprising the following components:

a first mold body;

the second die body is arranged opposite to the first die body, the die opening direction of the second die body relative to the first die body is a first direction, and a forming cavity is arranged between the second die body and the first die body;

the inclined top is provided with a groove for forming the inverted buckle, one end of the inclined top extends to the forming cavity, one end of the inclined top, which is arranged in the forming cavity, is provided with the groove for forming the inverted buckle, the demoulding direction of the inclined top and the inverted buckle is a second direction, and an included angle is formed between the second direction and the first direction;

the driving part is hinged with the other end of the inclined top, and the moving direction of the driving part is the first direction;

and in the process that the second die body is opened relative to the first die body, the inclined top can swing along the second direction relative to the driving part.

Compared with the prior art, the invention has the beneficial effects that: in the pitched roof swing rod die, the other end of the pitched roof is hinged to the driving portion, so that the pitched roof has the function of a swing rod, the second die body is opposite to the first die body in die sinking, the driving portion drives the pitched roof to jack up an injection molding part, the pitched roof has the function of the swing rod, the pitched roof can be separated from an inverted buckle on the injection molding part along the second direction, the second direction is consistent with the tangential direction of the pitched roof rotation at the moment, the pitched roof rotates a small angle, the pitched roof can be separated from the inverted buckle quickly, the speed of inverted buckle demoulding is improved, the speed of the inverted buckle demoulding is prevented from being slow, and the die sinking process of the second die body and the first die body is prevented from being interfered.

Drawings

FIG. 1 is a schematic structural diagram of a pitched roof swing stem die provided by the invention;

fig. 2 is a schematic structural view of the pitched roof in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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. 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the present embodiment provides a lifter bar die for injection molding of an injection molded part a with an undercut a1, the lifter bar die comprising: the mold comprises a first mold body 1, a second mold body 2, an inclined top 3 and a driving part 4.

The second mold body 2 is arranged opposite to the first mold body 1, the mold opening direction of the second mold body 2 relative to the first mold body 1 is a first direction, and a molding cavity is arranged between the second mold body 2 and the first mold body 1

One end of the pitched roof 3 extends to the molding cavity, place in the pitched roof 3 the one end of molding cavity is provided with the recess that is used for shaping back-off a1, the knockout direction of pitched roof 3 and back-off a1 is the second direction, the second direction with first direction is the contained angle, and in this embodiment, the pitched roof is vertical when not having the die sinking and arranges, and when the upper end of pitched roof 3 swung towards the second direction, the pitched roof 3 was the tilt state.

The driving part 4 is hinged to the other end of the lifter 3, the moving direction of the driving part 4 is the first direction, in this embodiment, the driving part 4 is a block-shaped support table, the lower end of the lifter 3 is hinged to the support table, a real driving mechanism at the lower part of the support table is not shown, and a telescopic hydraulic cylinder or a telescopic air cylinder can be adopted by a person skilled in the art as required by the driving mechanism.

In the process that the second mold body 2 opens the mold relative to the first mold body 1, the lifter 3 can swing along the second direction relative to the driving part 4.

In the pitched roof and swing rod die, the other end of a pitched roof 3 is hinged to a driving part 4, so that the pitched roof 3 has the function of a swing rod, when a second die body 2 is opened relative to a first die body 1, the driving part 4 drives the pitched roof 3 to jack up an injection molding a, the pitched roof 3 has the function of the swing rod, the pitched roof 3 can be separated from an inverted buckle a1 on the injection molding a along the second direction, and the pitched roof 3 can rotate by a small angle due to the fact that the second direction is consistent with the tangential direction of the rotation of the pitched roof 3 at the moment, so that the pitched roof 3 can be quickly separated from the inverted buckle a1, the demolding speed of the inverted buckle a1 is improved, the demolding speed of the inverted buckle a1 is prevented from being slow, and interference on the mold opening process of the second die body 2 and the first die body 1 is avoided.

Obviously, the inclined top 3 in the above structure is not only used for molding the undercut a1 and opening the undercut a1, but the inclined top 3 can also lift the second mold body 2 to provide power for opening the second mold body 2 and the first mold body 1.

The following embodiment provides a more specific implementation:

the first die body 1 is provided with a first guide surface b1, a second guide surface b2 and a third guide surface b3 which are connected in sequence, the first guide surface b1 is parallel to the third guide surface b3, the second guide surface b2 is arranged obliquely to the first guide surface b1, the inclined top 3 is provided with a fourth guide surface c4, a fifth guide surface c5 and a sixth guide surface c6 which are connected in sequence, the fourth guide surface c4 being parallel to the sixth guide surface c6, the fifth guide surface c5 being arranged obliquely to the fourth guide surface c4, the fifth guide surface c5 being parallel to the second guide surface b2, the fourth guide surface c4 being slidably engaged with the first guide surface b1, and the sliding direction of the fourth guide surface c4 with respect to the first guide surface b1 is a first direction, when the fourth guide surface c4 is slidably engaged with the first guide surface b1, the sixth guide surface c6 is slidably engaged with the third guide surface b 3.

The first mold body 1 is provided with a seventh guiding surface b7, an eighth guiding surface b8, and a ninth guiding surface b9 which are connected in series, the seventh guiding surface b7, the ninth guiding surface b9, and the first guiding surface b1 are all parallel, the seventh guiding surface b7 is arranged opposite to the first guiding surface b1, the eighth guiding surface b8 is parallel to the second guiding surface b2, the lifter 3 is provided with a tenth guiding surface c10, an eleventh guiding surface c11, and a twelfth guiding surface c12 which are connected in series, the tenth guiding surface c10, the twelfth guiding surface c12, and the fourth guiding surface c4 are parallel, the eleventh guiding surface c11 is parallel to the fifth guiding surface c5, and the tenth guiding surface c10 is arranged opposite to the fourth guiding surface c 9, when the fourth guiding surface c4 is slidably fitted with the first guiding surface b1, the tenth guiding surface c10 is slidably fitted with the ninth guiding surface b9, the eleventh guiding surface c11 is slidably engaged with the eighth guiding surface b8 when the fifth guiding surface c5 is slidably engaged with the second guiding surface b2, and the tenth guiding surface c10 is slidably engaged with the seventh guiding surface b7 when the sixth guiding surface c6 is slidably engaged with the first guiding surface b1, which unseals the mold opening process into three stages:

the first stage is as follows: the fourth guide surface c4 is in sliding engagement with the first guide surface b1 and the tenth guide surface c10 is in sliding engagement with the ninth guide surface b9, at which stage the lifter moves only in the first direction and lifts the injection molded part a together with the second mold part 2, with the undercut a1 still engaging the upper end of the lifter 3.

And a second stage: the fifth guide surface c5 is in sliding engagement with the second guide surface b2 and the eleventh guide surface c11 is in sliding engagement with the eighth guide surface b8, at which stage the slanted ejecting part 3 is moved in the first direction while the slanted ejecting part 3 is deflected in the second direction, at which stage the slanted ejecting part 3 starts to disengage from the undercut a 1.

And a third stage: the sixth guide surface c6 is in sliding engagement with the first guide surface b1 and the tenth guide surface c10 is in sliding engagement with the seventh guide surface b7, at which stage the angled top 3 has been completely disengaged from the undercut a1, at which point the angled top 3 is moved in the first direction only, fully opening the second casing 2 from the first casing 1.

The advantages of the structure are that: the mold opening process is disassembled, the inclined top 3 is not separated from the inverted buckle a1 at the beginning, the first stage of mold opening is avoided, the injection molding part a shakes on the inclined top a1, and the stability of the mold opening process is improved.

Be provided with on the first die body 1 with the logical groove that becomes the die cavity and communicate, the one end of oblique top 3 is passed place in behind the logical groove in the die cavity, it is provided with first lateral wall and second lateral wall to lead to the inslot, first lateral wall with the second lateral wall is arranged relatively, first guide face b1, second guide face b2, third guide face b3 all set up in on the first lateral wall, seventh guide face b7, eighth guide face b8, ninth guide face b9 all set up with on the second lateral wall.

The first direction is perpendicular to the second direction, a third direction is defined to be perpendicular to both the first direction and the second direction, a plane formed by the third direction and the first direction is defined to be a first plane, the number of the through grooves is two, the through grooves are arranged relative to the first plane, the number of the inclined tops 3 is also two, the two inclined tops 3 correspond to the two through grooves in a one-to-one manner and are in sliding connection, and therefore the two reverse buckles a1 arranged in a mirror image mode with the first plane are matched with the two lower ends of the injection molding part a in the embodiment.

The attached drawing that this example provided is for simplifying the attached drawing, the mould drawing that actual production used is comparatively complicated to first die body is not an integrated into one piece's metal structure, and first die body is actually by a plurality of mould module concatenation fixed formation, and the second die body also is by a plurality of mould module concatenation fixed formation like this, and this scheme is understood for the convenience of the reader to this embodiment, adopts the section simplified diagram of mould to show the innovation point of this patent, and in the attached drawing, the position that the line type proportion, the line type, the angle of pattern packing are all the same represents fixed structure as an organic whole.

The working principle is as follows: in the pitched roof and swing rod die, the other end of a pitched roof 3 is hinged to a driving part 4, so that the pitched roof 3 has the function of a swing rod, when a second die body 2 is opened relative to a first die body 1, the driving part 4 drives the pitched roof 3 to jack up an injection molding a, the pitched roof 3 has the function of the swing rod, the pitched roof 3 can be separated from an inverted buckle a1 on the injection molding a along the second direction, and the pitched roof 3 can rotate by a small angle due to the fact that the second direction is consistent with the tangential direction of the rotation of the pitched roof 3 at the moment, so that the pitched roof 3 can be quickly separated from the inverted buckle a1, the demolding speed of the inverted buckle a1 is improved, the demolding speed of the inverted buckle a1 is prevented from being slow, and interference on the mold opening process of the second die body 2 and the first die body 1 is avoided.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a push up pendulum rod mould to one side, its injection molding who is used for injection moulding to have the back-off, its characterized in that, push up pendulum rod mould to one side include:

a first mold body;

2. The angle ejector die according to claim 1, wherein the first die body is provided with a first guide surface, a second guide surface and a third guide surface which are connected in sequence, the first guide surface being parallel to the third guide surface, the second guide surface being arranged obliquely to the first guide surface, the inclined top is provided with a fourth guide surface, a fifth guide surface and a sixth guide surface which are connected in sequence, the fourth guide surface is parallel to the sixth guide surface, the fifth guide surface being arranged obliquely to the fourth guide surface, the fifth guide surface being parallel to the second guide surface, the fourth guide surface being slidably engageable with the first guide surface, and a sliding direction of the fourth guide face with respect to the first guide face is a first direction, and the sixth guide face is slidably engaged with the third guide face when the fourth guide face is slidably engaged with the first guide face.

3. The miter fence die set as claimed in claim 2, wherein said first die body is provided with a seventh guide surface, an eighth guide surface, and a ninth guide surface which are connected in series, said seventh guide surface, said ninth guide surface, and said first guide surface being parallel, said seventh guide surface being disposed opposite to said first guide surface, said eighth guide surface being parallel to said second guide surface, said miter fence is provided with a tenth guide surface, an eleventh guide surface, and a twelfth guide surface which are connected in series, said tenth guide surface, said twelfth guide surface, and said fourth guide surface being parallel, said eleventh guide surface being parallel to said fifth guide surface, and said tenth guide surface being disposed away from said fourth guide surface, said tenth guide surface being slidably engaged with said ninth guide surface when said fourth guide surface is slidably engaged with said first guide surface, the eleventh guide surface is slidably engaged with the eighth guide surface when the fifth guide surface is slidably engaged with the second guide surface, and the tenth guide surface is slidably engaged with the seventh guide surface when the sixth guide surface is slidably engaged with the first guide surface.

4. The angle lifter die of claim 3, wherein the first die body is provided with a through groove communicated with the molding cavity, one end of the angle lifter penetrates through the through groove and then is arranged in the molding cavity, the through groove is internally provided with a first side wall and a second side wall, the first side wall and the second side wall are arranged oppositely, the first guide surface, the second guide surface and the third guide surface are all arranged on the first side wall, and the seventh guide surface, the eighth guide surface and the ninth guide surface are all arranged on the second side wall.

5. The angle ejector ram die of claim 4, wherein the first direction is perpendicular to the second direction.

6. The angle lifter die of claim 5, wherein a third direction is defined to be perpendicular to both the first direction and the second direction, a plane formed by the third direction and the first direction is defined as a first plane, the number of the through grooves is two, the two through grooves are arranged opposite to the first plane, the number of the angle lifters is also two, and the two angle lifters are in one-to-one correspondence to be slidably connected with the two through grooves.