CN215550612U

CN215550612U - Integrated mold for air exhaust of glue collecting and injecting cylinder

Info

Publication number: CN215550612U
Application number: CN202120693818.1U
Authority: CN
Inventors: 张振; 张言庆; 张山峰; 苏治安; 张继永
Original assignee: Henan Kewei Auto Parts Co ltd
Current assignee: Henan Kewei Auto Parts Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2022-01-18
Anticipated expiration: 2031-04-06

Abstract

The utility model provides an integrated exhaust die of a glue injection cylinder, which comprises a glue injection cylinder inner core, an upper die, a half middle die and a lower die which are sequentially arranged from top to bottom, wherein the glue injection cylinder inner core is positioned in the glue injection cylinder arranged on the upper die, a parting cavity is arranged between the upper die and the lower die, the half middle die is positioned in the parting cavity, positioning pins are respectively arranged in the middle part below the upper die and the middle part above the lower die, an exhaust device which extends outwards and is positioned on the upper die or the lower die is arranged around the positioning pins, and two material injection holes positioned on two sides of the positioning pins are arranged above the upper die. According to the utility model, the glue injection cup and the die are integrated through the matching among the inner core of the glue injection cylinder, the upper die, the middle half die and the lower die, so that the inconvenience in storage and use is avoided, and in addition, the targeted exhaust device is arranged in the die, so that the exhaust can be effectively realized during production, a plurality of related defects caused by gas trapping are avoided, the resource waste is reduced, the production cost is reduced, and the production efficiency is improved.

Description

Integrated mold for air exhaust of glue collecting and injecting cylinder

Technical Field

The utility model relates to the technical field of molds, in particular to a mold integrating air exhaust and injection of a glue cylinder.

Background

Traditional small-batch production mold products are mostly produced on non-injection equipment. The mould is usually only responsible for production and molding, but has no material injection structure. The material cup and the mould are often separately processed and stored separately, and then taken and matched with the mould when in use; such operation is cumbersome both in storage and use, which reduces the production efficiency and is particularly easy to lose parts, resulting in increased cost. Particularly, the mold of the type often has no exhaust structure, and is difficult to completely exhaust gas only by automatic exhaust of equipment and manual exhaust, so that bubbles, rotten bubbles and other defects caused by gas trapping appear on the surface of a vulcanized product, the product is defective and scrapped, the resource waste is caused, and the cost is increased, so that the problem is solved by providing the mold integrating the air exhaust of the glue injection cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rubber cylinder air exhaust integrated mold, and aims to solve the problems that the mold provided by the background art is not provided with an air exhaust structure, and air is difficult to be completely exhausted only by automatic air exhaust and manual air exhaust of equipment, so that bubbles, rotten bubbles and the like appear on the surface of a vulcanized product, and are caused by trapped air.

In order to achieve the purpose, the integrated mold for air exhaust of the glue injection cylinder comprises a glue injection cylinder inner core, an upper mold, a half middle mold and a lower mold which are sequentially arranged from top to bottom, wherein the glue injection cylinder inner core is positioned in the glue injection cylinder arranged on the upper mold, a parting cavity is arranged between the upper mold and the lower mold, the half middle mold is positioned in the parting cavity, positioning pins are respectively arranged in the middle part below the upper mold and the middle part above the lower mold, an air exhaust device which extends outwards and is positioned on the upper mold or the lower mold is arranged around the positioning pins, and two material injection holes positioned on two sides of the positioning pins are arranged above the upper mold.

Preferably, the exhaust device comprises four exhaust grooves arranged on the upper die or the lower die, the four exhaust grooves are arranged in a cross shape, two corresponding exhaust grooves are aligned with the material injection holes, and the other two corresponding material injection holes are located outside the product.

Preferably, the below edge of going up the mould all is provided with the location boss with mould contact in the half with the top edge of lower mould, the air discharge duct extends to on the boss of location, one of them department is the form of buckling on the air discharge duct, the air discharge duct department of buckling is ninety degrees.

Preferably, two symmetrically arranged positioning holes are formed in two ends of the half middle die, and positioning rods which are used for preventing mistake and rotation and are located in the positioning holes are arranged on the outer sides of the positioning bosses.

Preferably, the lower end of the glue injection cylinder inner core is of a boss type structure, and a boss part of the glue injection cylinder inner core has a certain drawing angle and is matched with the inner wall of the glue injection cylinder of the upper die.

The utility model has the beneficial effects that:

in addition, the targeted exhaust device is arranged in the mold, so that the exhaust can be effectively realized during production, the situations of bubbles, rotten bubbles and the like on the surface of a vulcanized product caused by trapped air are avoided, the resource waste is reduced, the production cost is reduced, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic top view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of the structure of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic axial view of the upper mold structure of the present invention.

In the figure: 1. an inner core of the glue injection cylinder; 2. an upper die; 3. middle half; 4. a lower die; 5. positioning pins; 7. a material injection hole; 8. positioning a rod; 9. an exhaust groove; 10. and (5) positioning the boss.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The utility model relates to a concrete embodiment of a glue injection cylinder exhaust integrated die, as shown in figures 1 to 3, comprising a glue injection cylinder inner core 1, an upper die 2, a half middle die 3 and a lower die 4 which are sequentially arranged from top to bottom, wherein the glue injection cylinder inner core 1 is positioned in a glue injection cylinder arranged on the upper die 2, a parting cavity is arranged between the upper die 2 and the lower die 4, the half middle die 3 is positioned in the parting cavity, positioning pins 5 are respectively arranged at the lower middle part of the upper die 2 and the upper middle part of the lower die 4, an exhaust device which extends outwards and is positioned on the upper die 2 or the lower die 4 is arranged around the positioning pins 5, two material injection holes 7 positioned at two sides of the positioning pins 5 are arranged above the upper die 2, the glue injection cylinder inner core 1, the upper die 2, the half middle die 3 and the lower die 4 are matched to integrate a material injection cup and the die, thereby avoiding the inconvenience of storage and use, and additionally, a targeted exhaust device is arranged in the die, the air can be effectively exhausted during production, the situations of bubbles, rotten bubbles and the like on the surface of a vulcanized product caused by trapped air are avoided, the resource waste is reduced, the production cost is reduced, and the production efficiency is improved.

In this embodiment, the exhaust device includes four exhaust grooves 9 disposed on the upper mold 2 or the lower mold 4, the four exhaust grooves 9 are arranged in a cross shape, two corresponding exhaust grooves 9 are aligned with the material injection holes 7, and the other two corresponding material injection holes 7 are located outside the product.

In this embodiment, go up the below edge of mould 2 and the top edge of lower mould 4 and all be provided with the location boss 10 with mould 3 contact in the half, on air discharge duct 9 extended to location boss 10, one of them department was the form of buckling on the air discharge duct 9, and air discharge duct 9 department of buckling was ninety degrees, and location boss 10 can inject the position of mould 3 in the half, avoids mould 3 in the half to take place to squint and leads to the notes colloid to receive the influence.

In this embodiment, two symmetrically arranged positioning holes are formed at two ends of the half middle die 3, and a positioning rod 8 for preventing mistake and rotation and located in the positioning hole is arranged on the outer side of the positioning boss 10.

In this embodiment, the lower extreme of injecting glue jar inner core 1 is boss formula structure, and its boss part of injecting glue jar inner core 1 has certain drawing die angle and cooperates with the injecting glue jar inner wall of last mould 2, can reach the effect of easy die sinking.

The working principle of the utility model is as follows:

put into during production go up the mould 2 in the injecting glue jar, then put into injecting glue jar inner core 1, push down through the press, pour into mould parting intracavity with the sizing material in the injecting glue jar, the sizing material can extrude inside air when the parting intracavity flows, directly arrange the air in the parting intracavity outside the product through four exhaust ducts 9 to solved a great deal of harmfulness because of the predicament gas causes, reduced the wasting of resources, reduced manufacturing cost, improved production efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a mould of collection glue injection jar exhaust integral type which characterized in that: including glue injection jar inner core (1), last mould (2), mould (3) and lower mould (4) that from the top down arranged in proper order, glue injection jar inner core (1) is located the glue injection jar that mould (2) seted up, it is provided with the branch die cavity to go up between mould (2) and lower mould (4), mould (3) are located the branch die cavity in the half, the below middle part of going up mould (2) and the top middle part of lower mould (4) all are provided with locating pin (5), be provided with around locating pin (5) and extend outward and be located the exhaust apparatus on mould (2) or lower mould (4), the top of going up mould (2) is provided with two notes material hole (7) that are located locating pin (5) both sides.

2. The integrated mold for air exhaust of the collective injection cylinder according to claim 1, characterized in that: exhaust apparatus is including setting up four exhaust duct (9) on last mould (2) or lower mould (4), four exhaust duct (9) are the cross arrangement, wherein two correspond exhaust duct (9) align with notes material hole (7), and two other correspond it is outside to annotate material hole (7).

3. The integrated mold for air exhaust of the collective injection cylinder according to claim 2, characterized in that: go up the below edge of mould (2) and the top edge of lower mould (4) and all be provided with location boss (10) with mould (3) contact in the half, exhaust duct (9) extend to on location boss (10), one of them department is the form of buckling on exhaust duct (9), exhaust duct (9) department of buckling is ninety degrees.

4. The integrated mold for air exhaust of the collective injection cylinder according to claim 3, characterized in that: two symmetrical locating holes are formed in two ends of the half middle die (3), and locating rods (8) which are used for preventing mistake and rotation and located in the locating holes are arranged on the outer sides of the locating bosses (10).

5. The integrated mold for air exhaust of the collective injection cylinder according to claim 1, characterized in that: the lower end of the glue injection cylinder inner core (1) is of a boss type structure, and a boss part of the glue injection cylinder inner core (1) is provided with a certain die drawing angle and matched with the inner wall of the glue injection cylinder of the upper die (2).