CN218227714U - Plastic blank ejector rod demoulding structure - Google Patents

Abstract

The utility model relates to an injection moulding production technical field, concretely relates to plastics idiosome ejector pin demoulding structure, including shell and fly leaf, it has the door plant to articulate on the preceding lateral wall of shell, the shell inner chamber is provided with the fly leaf, the fly leaf is close to the equal swing joint in four corners department and has the dead lever. Through being provided with the movable rod, roof and pneumatic cylinder, the back is accomplished in the product shaping cooling, carry out the pulling operation to the fly leaf through the pneumatic cylinder, first mould and second mould separation, after the fly leaf moved a certain position, the movable rod withstood with the shell inside wall this moment to make the movable rod drive the roof and carry out the drawing of patterns operation to the plastic bottle after the inside shaping of second mould under the continuation motion of pneumatic cylinder, the area increase of roof, can effectual reduction to the damage of plastic bottle, make drawing of patterns effectual. The utility model discloses a combine product shaping cooling and product drawing of patterns, have the advantage that improves the radiating effect and convenient drawing of patterns.

Description

Plastic blank ejector rod demoulding structure

Technical Field

The utility model relates to a demoulding structure specifically is a plastics idiosome ejector pin demoulding structure.

Background

The production and injection molding process of plastic products such as plastic bottle blanks and the like comprises the following steps: adding raw materials, melting the raw materials, putting the raw materials into a die, forming and cooling the product, and demoulding the product. Wherein, the product drawing of patterns needs the thimble on the device ejecting, makes it break away from the mould, because thimble itself is thinner, it has great pressure to the contact position of product, and shedder in the product drawing of patterns has very big influence to the quality of product to the product shaping cooling also influences great to the drawing of patterns and the production efficiency of mould, based on above reason, the utility model discloses combine product shaping cooling and product drawing of patterns, propose a plastics idiosome ejector pin demoulding structure and solve prior art's not enough.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a plastics idiosome ejector pin demoulding structure overcomes prior art's is not enough.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a plastics idiosome ejector pin demoulding structure, includes the shell, it has the door plant to articulate on the preceding lateral wall of shell, the shell inner chamber is provided with the fly leaf, the fly leaf is close to the equal swing joint of four corners department has the dead lever, lateral wall fixed connection about the both ends of dead lever respectively with the shell inner chamber, fixedly connected with pneumatic cylinder on the left side wall of shell, pneumatic cylinder one end and fly leaf fixed connection, evenly distributed fixedly connected with a plurality of first mould on the inner wall of shell right side, evenly distributed fixedly connected with a plurality of second mould on the right side wall of fly leaf, the mouth of moulding plastics has been seted up on the top surface of second mould, the mouth of moulding plastics runs through the fly leaf, evenly distributed has seted up a plurality of side channel on the second mould inner chamber left side wall, all be provided with the roof in the side channel, equal fixedly connected with movable rod on the left side wall of roof, the movable rod is kept away from roof one end and is run through second mould and fly leaf, the movable rod respectively with second mould and fly leaf swing joint, same a plurality of movable rod on the second mould has a plurality of heat-conducting plates, it is the same fan mounting panel to set up on the heat-conducting plate.

As a preferred technical scheme of the utility model, evenly distributed has seted up a plurality of movable groove on the lateral wall of movable rod, a plurality of side opening has been seted up on the heat-conducting plate, side opening inner chamber fixedly connected with movable block, the movable rod runs through the side opening, one of them the activity inslot is provided with a plurality of spring, the spring both ends respectively with adjacent movable block fixed connection, left side the movable block one end and activity inslot wall fixed connection are kept away from to the spring.

As an optimal technical scheme of the utility model, the roof is kept away from movable rod one side and is matchd the setting each other with second mould inner chamber shape.

As an optimized technical scheme of the utility model, roof one end fixedly connected with leather packing is kept away from to the movable rod.

As an optimized technical scheme of the utility model, fixedly connected with fan on the top surface of shell.

As an optimized technical scheme of the utility model, logical groove has been seted up on the bottom surface of shell.

As a preferred technical scheme of the utility model, every the second mould inner chamber is equallyd divide and is laid and be provided with four roofs.

The embodiment of the utility model provides a plastics idiosome ejector pin demoulding structure possesses following beneficial effect:

1. the utility model has the advantages that the heat conducting plate, the movable rod and the fan are arranged, when in use, the heat of the inner cavity of the die is transferred out by the top plate and the movable rod, the heat is diffused and radiated by the heat conducting plate, the radiating efficiency of the fan is further improved, the radiating efficiency of the plastic product is effectively accelerated, and the forming and cooling effect of the product is good;

2. through being provided with the movable rod, roof and pneumatic cylinder, the back is accomplished in the product shaping cooling, carry out the pulling operation to the fly leaf through the pneumatic cylinder, first mould and second mould separation, after the fly leaf moved a certain position, the movable rod withstood with the shell inside wall this moment to make the movable rod drive the roof and carry out the drawing of patterns operation to the plastic bottle after the inside shaping of second mould under the continuation motion of pneumatic cylinder, the area increase of roof, can effectual reduction to the damage of plastic bottle, make drawing of patterns effectual.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of the heat-conducting plate of the present invention;

FIG. 3 is an enlarged view of FIG. 1;

fig. 4 is an enlarged view of fig. 2B of the present invention.

In the figure: 1. a housing; 2. a movable plate; 3. fixing the rod; 4. a hydraulic cylinder; 5. a first mold; 6. a second mold; 7. an injection molding port; 8. a top plate; 9. a movable rod; 10. a heat conducting plate; 11. a through hole; 12. mounting a plate; 13. a fan; 14. a movable groove; 15. a movable block; 16. a spring; 17. a leather pad; 18. a fan; 19. a through groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, a plastic blank ejector pin demolding structure comprises a shell 1, a door plate is hinged on a front side wall of the shell 1, a movable plate 2 is arranged in an inner cavity of the shell 1, fixed rods 3 are movably connected to the movable plate 2 close to four corners, two ends of each fixed rod 3 are fixedly connected to left and right side walls of the inner cavity of the shell 1 respectively, a hydraulic cylinder 4 is fixedly connected to a left side wall of the shell 1, one end of each hydraulic cylinder 4 is fixedly connected to the movable plate 2, a plurality of first molds 5 are uniformly distributed and fixedly connected to the inner wall of the right side of the shell 1, a plurality of second molds 6 are uniformly distributed and fixedly connected to the right side wall of the movable plate 2, an injection port 7 is formed in the top surface of each second mold 6, the injection port 7 penetrates through the movable plate 2, a plurality of side grooves are uniformly distributed and formed in the left side wall of the inner cavity of each second mold 6, four top plates 8 are uniformly distributed and fixedly connected to the inner cavity of each second mold 6, movable rods 9 are fixedly connected to the left side wall of each top plate 8, one end of each movable rod 9, which is far away from the top plate 8, one end of each movable rod 9 penetrates through the second mold 6 and the movable plate 2, and is convenient for ejecting a plastic blank;

the side, far away from the movable rod 9, of the top plate 8 is matched with the inner cavity of the second die 6 in shape, so that production is facilitated;

wherein, one end of the movable rod 9 far away from the top plate 8 is fixedly connected with a leather pad 17, thereby reducing the influence on the shell 1 and having good use effect;

wherein, the bottom surface of the shell 1 is provided with a through groove 19, which is convenient for the discharge operation of the plastic green body;

the common swing joint of a plurality of movable rod 9 on same second mould 6 has a plurality of heat-conducting plate 10, a plurality of through-hole 11 has been seted up on the heat-conducting plate 10, the same mounting panel 12 of a plurality of movable rod 9 fixedly connected with on same second mould 6, install fan 13 on mounting panel 12, a plurality of movable groove 14 has been seted up to evenly distributed on the lateral wall of movable rod 9, a plurality of side opening has been seted up on the heat-conducting plate 10, side opening inner chamber fixedly connected with movable block 15, movable rod 9 runs through the side opening, be provided with a plurality of spring 16 in one of them movable groove 14, the spring 16 both ends respectively with adjacent movable block 15 fixed connection, 15 one end of movable block and the 14 inner wall fixed connection of movable groove are kept away from to spring 16 in the leftmost side, can realize the restoration to roof 8 on the one hand, and be convenient for production, on the other hand can realize the high-efficient transmission of heat, the shaping of the plastics body of being convenient for.

Wherein, fixedly connected with fan 18 on the top surface of shell 1 accelerates the discharge of inside heat, is convenient for cool down the shaping.

The working principle is as follows: when the device is used, the injection port 7 is firstly connected with external raw material filling equipment, then the hydraulic cylinder 4, the fan 13 and the fan 18 are started through an external control device, the hydraulic cylinder 4 pushes the movable plate 2 to move, so that the second mould 6 on the movable plate 2 is combined with the first mould 5 on the side wall of the shell 1, the hydraulic cylinder 4 is closed, then the external raw material filling equipment fills the raw material into a cavity formed by the first mould 5 and the second mould 6 through the injection port 7, the raw material filling equipment is stopped after a certain amount of raw material is filled, at the moment, part of heat in the inner cavities of the first mould 5 and the second mould 6 is transferred onto the top plate 8, the heat on the top plate 8 is transferred to the outside of the mould through the movable rod 9, the heat on the movable rod 9 is transferred onto the heat conducting plate 10, the heat is rapidly diffused through the heat conducting plate 10, and the gas flow at the heat conducting plate 10 can be accelerated through the rotation of the fan 13, further accelerating the heat transfer, discharging the heat in the inner cavity of the shell 1 by using the fan 18 to realize the rapid heat dissipation operation of the plastic blank, after the product is formed and cooled, starting the hydraulic cylinder 4 again, pulling the movable plate 2 by the hydraulic cylinder 4 to separate the second mold 6 on the movable plate 2 from the first mold 5 on the side wall of the shell 1, clamping the formed plastic blank on the second mold 6 due to the injection port 7, pushing the movable rod 9 against the left side wall of the inner cavity of the shell 1 under the continuous operation of the hydraulic cylinder 4, enabling the top plate 8 to move in the inner cavity of the second mold 6 by the continuous motion of the movable plate 2, pushing the plastic blank out of the second mold 6 through the top plate 8, wherein the area of the top plate 8 is larger than that of a thimble in the prior art, so that the influence of the top plate 8 on the plastic blank is small, the possibility of damage is reduced, the demoulding effect is good, and the plastic blank which is ejected upwards is discharged through the through groove 19 on the bottom surface of the shell 1, so that the production operation is convenient.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a plastics idiosome ejector pin demoulding structure, includes the shell, its characterized in that, it has the door plant to articulate on the preceding lateral wall of shell, the shell inner chamber is provided with the fly leaf, the fly leaf is close to the equal swing joint of four corners department has the dead lever, lateral wall fixed connection about the both ends of dead lever respectively with the shell inner chamber, fixedly connected with pneumatic cylinder on the left side wall of shell, pneumatic cylinder one end and fly leaf fixed connection, evenly distributed fixedly connected with a plurality of first mould on the inner wall of shell right side, evenly distributed fixedly connected with a plurality of second mould on the right side wall of fly leaf, the mouth of moulding plastics has been seted up on the top surface of second mould, the mouth of moulding plastics runs through the fly leaf, evenly distributed has seted up a plurality of side channel on the second mould inner chamber left side wall, all be provided with the roof in the side channel, equal fixedly connected with movable rod on the left side wall of roof, the movable rod is kept away from roof one end and is run through second mould and fly leaf, the movable rod respectively with second mould and fly leaf, same a plurality of movable rod swing joint on the second mould has a plurality of heat-conducting plates, has seted up a plurality of through the through-hole on the heat-conducting plate, same fan on the mounting plate.

2. The plastic blank ejector pin demoulding structure according to claim 1, wherein a plurality of movable grooves are uniformly distributed on the side wall of the movable rod, a plurality of side holes are formed on the heat conducting plate, movable blocks are fixedly connected to the inner cavities of the side holes, the movable rod penetrates through the side holes, a plurality of springs are arranged in one of the movable grooves, two ends of each spring are fixedly connected with the adjacent movable blocks respectively, and the leftmost spring is far away from one end of each movable block and fixedly connected with the inner wall of each movable groove.

3. The ejection pin ejection structure of a plastic blank according to claim 1, wherein the side of the top plate away from the movable rod is matched with the shape of the inner cavity of the second mold.

4. The ejection rod demolding structure for plastic blanks as claimed in claim 1, wherein a leather pad is fixedly connected to one end of the movable rod, which is far away from the top plate.

5. The ejection pin ejection structure of plastic blank according to claim 1, wherein a blower is fixedly connected to the top surface of the housing.

6. The ejection rod demolding structure for the plastic blank according to claim 1, wherein a through groove is formed in the bottom surface of the shell.

7. The ejector pin stripping structure for plastic blanks as recited in claim 1, wherein each of said second mold cavities is provided with four top plates in a divided arrangement.

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