CN217346526U - Forming device for plastic processing - Google Patents

Abstract

The utility model provides a forming device for plastic processing relates to plastic processing technical field. This forming device for plastics processing, including the mould shell, install the backup pad on the mould shell, inside the bottom surface of backup pad was located the mould shell, installed two roof pressure mechanisms in the backup pad, through connecting plate fixed connection between two roof pressure mechanisms, through two montant fixed connection between the bottom surface of connecting plate and the upper surface of backup pad, the intermediate position fixed mounting of connecting plate has hydraulic pressure to install the piece. This forming device for plastics processing through setting up roof pressure mechanism, is connected the ejector pin on the roof pressure mechanism with outside device, makes the mould move down through the pneumatic cylinder, and the ejector pin drives piston A and shifts up for the sleeve this moment, and the ejector pin can be bled when shifting up, and the air in the sleeve can be crowded and reached the effect with the working of plastics drawing of patterns in the mould that can be quick, has solved the problem of the plastics processing forming device drawing of patterns difficulty after finishing moulding plastics of prior art.

Description

Forming device for plastic processing

Technical Field

The utility model relates to a plastic processing technology field specifically is a forming device for plastic processing.

Background

The degradable plastic is a plastic which is added with a certain amount of additives (such as starch, modified starch or other celluloses, photosensitizers, biodegradable agents and the like) in the production process to reduce the stability of the degradable plastic and is easily degraded in the natural environment, and the degradable plastic product needs to be poured into a forming mold to be formed in the processing process and then subjected to demolding treatment by demolding equipment.

But current stripping equipment adopts artifical drawing of patterns mostly in the use, not only can cause certain error like this, still can increase the drawing of patterns degree of difficulty, and current stripping equipment drawing of patterns efficiency is not high enough moreover, is difficult to accomplish the drawing of patterns needs in the short time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a forming device for plastic processing has solved the problem of the plastics processing forming device drawing of patterns difficulty after finishing moulding plastics of prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a forming device for plastics processing, includes the mould shell, installs the backup pad on the mould shell, and inside the bottom surface of backup pad was located the mould shell, installed two roof pressure mechanisms in the backup pad, through connecting plate fixed connection between two roof pressure mechanisms, through two montant fixed connection between the bottom surface of connecting plate and the upper surface of backup pad, the intermediate position fixed mounting of connecting plate has hydraulic pressure to install the piece.

The jacking mechanism comprises a sleeve, a piston A and a mandril, wherein the piston A is positioned in the sleeve, the piston A seals the sleeve, the mandril is fixedly connected with the upper end of the piston A, a connecting plate is fixedly connected with the sleeve, the inner part of the sleeve is positioned below the piston A, the piston B seals the sleeve, a shaft hole is formed in the central position of the piston B, the shaft hole penetrates through the piston B from top to bottom, an air ejector pipe is fixedly installed at the bottom end of the piston B, the shaft hole is communicated with the inner part of the air ejector pipe, the lower end of the piston B is positioned outside the sleeve, a limiting sleeve A is fixedly installed at the lower end of the piston B, a limiting sleeve B is fixedly sleeved outside the sleeve, a spring is sleeved below the limiting sleeve B at the lower end of the sleeve, the upper end of the spring is fixedly connected with the limiting sleeve B, a dustproof pipe is fixedly sleeved outside the limiting sleeve A, and the upper end of the dustproof pipe extends to the upper part of the limiting sleeve B, the stop collar B slides with the inside of dustproof pipe, and the outside of dustproof pipe slides with the backup pad.

Preferably, the lower ends of the jacking mechanisms penetrate through the supporting plate, the two jacking mechanisms are positioned on the same straight line, and the upper ends and the lower ends of the two jacking mechanisms are positioned at the same height.

Preferably, the piston A is matched with the sleeve, and the ejector rod, the piston A and the sleeve are arranged concentrically.

Preferably, the piston B is matched with the sleeve, and the gas ejector pipe and the shaft hole are arranged concentrically with the piston B.

Preferably, the limiting sleeve A and the limiting sleeve B are located on the same straight line, and the diameter of the limiting sleeve B is smaller than that of the limiting sleeve A.

Preferably, the dustproof pipe and the sleeve are concentrically arranged, and the spring, the limiting sleeve A and the limiting sleeve B are all located in the dustproof pipe.

(III) advantageous effects

The utility model provides a forming device for plastics processing. The method has the following beneficial effects:

1. the forming device for processing plastics is provided with a jacking mechanism, a jacking rod on the jacking mechanism is connected with an external device, the mould is moved downwards by the hydraulic cylinder, at the moment, the ejector rod drives the piston A to move upwards relative to the sleeve, the ejector rod can pump air when moving upwards, when the mold is opened, the control mold shell moves upwards, the ejector rod is blocked and moves downwards relative to the sleeve, air in the sleeve can be extruded into the mold, air can be arranged between the inner wall of the mold and the plastic piece, the air can lead the plastic piece to leave the shell of the mold, when the ejector rod moves downwards again, can push up piston B, piston B can drive jet-propelled pipe and be close to the working of plastics in the mould, can be once more ejecting with the working of plastics, reached can be quick with the effect of the working of plastics drawing of patterns, solved the problem of the plastics processing forming device drawing of patterns difficulty after finishing moulding plastics of prior art.

2. This forming device for plastics processing through setting up connecting plate and hydraulic pressure installation piece, hydraulic pressure installation piece can be connected with the output of prior art's pneumatic cylinder, can move down through two sleeves of connecting plate drive simultaneously, and the connecting plate can also drive the connecting plate and move down when the drive sleeve moves down.

Drawings

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

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

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is an enlarged view of a structure shown in fig. 3 according to the present invention.

The device comprises a die shell 1, a supporting plate 2, a top pressing mechanism 3, a sleeve 301, a piston A302, a top rod 303, a shaft hole 304, an air injection pipe 305, a limiting sleeve A306, a spring 307, a dustproof pipe 308, a limiting sleeve B309, a limiting sleeve B310, a connecting plate 4, a vertical rod 5 and a hydraulic mounting block 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a forming device for plastic processing, as shown in figures 1-4, which comprises a mould shell 1, a supporting plate 2 is arranged on the mould shell 1, the supporting plate 2 is matched with the mould shell 1 of the prior art, in the use time, the mould inner chamber of cooperateing once more, trompil on the mould inner chamber, the bottom surface of backup pad 2 is located inside mould shell 1, install two roof pressure mechanisms 3 in the backup pad 2, through 4 fixed connection of connecting plate between two roof pressure mechanisms 3, the lower extreme of roof pressure mechanism 3 runs through backup pad 2, two roof pressure mechanisms 3 are in on same straight line, the upper and lower extreme of two roof pressure mechanisms 3 is in same height, through 5 fixed connection of two montants between the bottom surface of connecting plate 4 and the upper surface of backup pad 2, the intermediate position fixed mounting of connecting plate 4 has hydraulic pressure installation piece 6, hydraulic pressure installation piece 6 need with the output fixed connection of prior art's pneumatic cylinder.

The jacking mechanism 3 comprises a sleeve 301, a piston A302 and a jacking rod 303, the piston A302 is positioned inside the sleeve 301, the piston A302 seals the sleeve 301, the jacking rod 303 is fixedly connected with the upper end of the piston A302, the piston A302 is matched with the sleeve 301, the jacking rod 303, the piston A302 and the sleeve 301 are arranged concentrically, a connecting plate 4 is fixedly connected with the sleeve 301, the sleeve 301 is positioned inside the piston A302 and is provided with a piston B310 below, the piston B310 seals the sleeve 301, the center of the piston B310 is provided with a shaft hole 304, the shaft hole 304 penetrates through the piston B310 from top to bottom, the bottom end of the piston B310 is fixedly provided with an air injection pipe 305, the shaft hole 304 is communicated with the inside of the air injection pipe 305, the piston B310 is matched with the sleeve 301, the air injection pipe 305 and the shaft hole 304 are both arranged concentrically with the piston B310, the lower end of the piston B310 is positioned outside the sleeve 301, the lower end of the piston B310 is fixedly provided with a limiting sleeve A306, the limiting sleeve B309 is fixedly sleeved outside of the sleeve 301, the sleeve 301 is sleeved with a spring 307, the upper end and the stop collar B309 fixed connection of spring 307, the lower extreme and the stop collar A306 fixed connection of spring 307, stop collar A306 is in same straight line with stop collar B309, the diameter of stop collar B309 is less than the diameter of stop collar A306, the outside fixed of stop collar A306 has cup jointed dustproof pipe 308, the upper end of dustproof pipe 308 extends to the top of stop collar B309, stop collar B309 slides with the inside of dustproof pipe 308, the outside and the backup pad 2 of dustproof pipe 308 slide, dustproof pipe 308 and sleeve 301 set up with one heart, spring 307, stop collar A306 and stop collar B309 all are located dustproof pipe 308.

The operating principle, ejector rod 303 on top pressure mechanism 3 is connected with outside device, make the mould move down through the pneumatic cylinder, ejector rod 303 drives piston A302 and shifts up for sleeve 301 this moment, ejector rod 303 can bleed when shifting up, when opening the mould, control mould shell 1 moves up, ejector rod 303 is blockked this moment, move down for sleeve 301, the air in sleeve 301 can be crowded into the mould, the air can be in between mould inner wall and the working of plastics, the air can leave the working of plastics mould shell 1, when ejector rod 303 moves down once more, can push up piston B310, piston B310 can drive jet pipe 305 and be close to the working of plastics in the mould, can be once more ejecting the working of plastics.

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

Claims (6)

1. The utility model provides a forming device for plastic working, includes mould shell (1), its characterized in that: the die is characterized in that a supporting plate (2) is arranged on a die shell (1), the bottom surface of the supporting plate (2) is positioned inside the die shell (1), two jacking mechanisms (3) are arranged on the supporting plate (2), the two jacking mechanisms (3) are fixedly connected through a connecting plate (4), the bottom surface of the connecting plate (4) is fixedly connected with the upper surface of the supporting plate (2) through two vertical rods (5), and a hydraulic mounting block (6) is fixedly arranged in the middle of the connecting plate (4);

the jacking and pressing mechanism (3) comprises a sleeve (301), a piston A (302) and a jacking rod (303), the piston A (302) is positioned inside the sleeve (301), the piston A (302) seals the sleeve (301), the jacking rod (303) is fixedly connected with the upper end of the piston A (302), a connecting plate (4) is fixedly connected with the sleeve (301), the inside of the sleeve (301) is positioned below the piston A (302), a piston B (310) is arranged below the piston A (302), the piston B (310) seals the sleeve (301), a shaft hole (304) is formed in the central position of the piston B (310), the shaft hole (304) vertically penetrates through the piston B (310), an air injection pipe (305) is fixedly arranged at the bottom end of the piston B (310), the shaft hole (304) is communicated with the inside of the air injection pipe (305), the lower end of the piston B (310) is positioned outside the sleeve (301), a limiting sleeve A (306) is fixedly arranged at the lower end of the piston B (310), the fixed stop collar B (309) that has cup jointed in outside of sleeve (301), the below that the lower extreme of sleeve (301) is located stop collar B (309) has cup jointed spring (307), the upper end and stop collar B (309) fixed connection of spring (307), the lower extreme and stop collar A (306) fixed connection of spring (307), the fixed dustproof pipe (308) that has cup jointed in outside of stop collar A (306), the upper end of dustproof pipe (308) extends to the top of stop collar B (309), the inside slip of stop collar B (309) and dustproof pipe (308), the outside and backup pad (2) of dustproof pipe (308) slip.

2. The molding apparatus for plastic processing according to claim 1, wherein: the lower ends of the jacking mechanisms (3) penetrate through the supporting plate (2), the two jacking mechanisms (3) are positioned on the same straight line, and the upper ends and the lower ends of the two jacking mechanisms (3) are positioned at the same height.

3. The molding apparatus for plastic processing according to claim 1, wherein: piston A (302) and sleeve (301) cooperation, ejector pin (303) and piston A (302) and sleeve (301) are concentric setting.

4. The molding apparatus for plastic processing according to claim 1, wherein: piston B (310) and sleeve (301) cooperation, gas nozzle (305), shaft hole (304) all with piston B (310) concentric setting.

5. The molding apparatus for plastic processing according to claim 1, wherein: the limiting sleeve A (306) and the limiting sleeve B (309) are located on the same straight line, and the diameter of the limiting sleeve B (309) is smaller than that of the limiting sleeve A (306).

6. The molding apparatus for plastic processing according to claim 1, wherein: the dustproof pipe (308) and the sleeve (301) are arranged concentrically, and the spring (307), the limiting sleeve A (306) and the limiting sleeve B (309) are all located in the dustproof pipe (308).

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