CN218838424U

CN218838424U - Exhaust structure of injection molding pipe fitting mold

Info

Publication number: CN218838424U
Application number: CN202222930977.6U
Authority: CN
Inventors: 赵浪; 马胜; 黄桑
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-04-11
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a pipe fitting mould exhaust structure moulds plastics, including the movable mould press board, movable mould core fixed plate, movable mould chamber frame, cover half die cavity frame and fixed strip, movable mould press board and movable mould core fixed plate are through first fixed screw fixed, the movable mould chamber is fixed in movable mould chamber frame, movable mould chamber frame is fixed in movable mould core fixed plate, the cover half die cavity is fixed in cover half die cavity frame, be equipped with movable mould core in movable mould core fixed plate lower part, be equipped with exhaust passage on the movable mould core, be provided with the equidistance fixed screw hole on movable mould core fixed plate and cover half die cavity frame, the one end of fixed strip is passed through second fixed screw and is fixed on movable mould chamber frame, the other end is used for carrying out fixed connection with the fixed screw hole on movable mould core fixed plate or the cover half die cavity frame. Through the utility model discloses, reach the purpose of clearing up exhaust passage fast, can go on the injection molding machine to realize the clearance of exhausting, need not pull down the mould from the injection molding machine, the clearance of exhausting again, convenient and fast, labour saving and time saving.

Description

Exhaust structure of injection molding pipe fitting mold

Technical Field

The utility model belongs to the technical field of injection moulding pipe fitting mould, concretely relates to pipe fitting mould exhaust structure moulds plastics.

Background

Injection molding is to utilize the extrusion and molding properties of plastic to send loose particles or powder molding materials from a hopper of an injection machine into a high-temperature cylinder for heating, melting and plasticizing to form a viscous fluid solution, injecting the viscous fluid solution into a closed mold with a lower temperature through a nozzle at the front end of the cylinder at a great flow rate under the high pressure of a plunger or a screw, and opening the mold after a period of pressure maintaining and cooling setting to release a plastic product with a certain shape and size from the mold cavity.

The raw materials in a molten state are injected into a mold cavity for a long time to produce products, and a layer of wax decomposition products is accumulated at the exhaust position of a mold core due to the action of molecules to cause exhaust blockage of the mold, so that when the exhaust blockage is cleaned, the mold needs to be detached from an injection molding machine, and the mold core is cleaned after being detached. After cleaning, the mold is reassembled, the mold is installed on the injection molding machine to continue production, and the mold structure for quickly cleaning exhaust gas is needed to be invented aiming at the problems that the mold needs to be disassembled from the injection molding machine, disassembled and assembled, the time is wasted, and the efficiency is low during exhaust gas cleaning.

SUMMERY OF THE UTILITY MODEL

To the above problem condition, the utility model provides an injection molding pipe fitting mould exhaust structure solves traditional mould and need dismantle the mould and reassemble the technical problem that wastes time and energy and inefficiency that causes when wasing to the mould core.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

the utility model provides an injection molding pipe fitting mould exhaust structure, including the movable mould pressing machine board, movable mould core fixed plate, movable mould cavity frame, cover half die cavity frame, the compound plate, the movable mould cavity, cover half die cavity and fixed strip, fix through first fixed screw between movable mould pressing machine board and the movable mould core fixed plate, the movable mould cavity is fixed in movable mould cavity frame, movable mould cavity frame is fixed in on the movable mould core fixed plate, the cover half die cavity is fixed in cover half die cavity frame, cover half die cavity frame is fixed in on the compound plate, be provided with the movable mould core in movable mould core fixed plate lower part, be provided with exhaust passage on the movable mould core, all be provided with the equidistance fixed screw hole that uses movable mould cavity frame as the center on movable mould core fixed plate and cover half die cavity frame, the one end of fixed strip is passed through second fixed screw and is fixed on movable mould cavity frame, the other end is used for carrying out fixed connection with fixed screw hole on movable mould core fixed plate or the cover half die cavity frame.

Further, the fixed strip can use the fixed screw hole on the movable model cavity frame as the centre of a circle, and the fixed screw hole on the driven model core fixed plate coincides with the fixed screw hole on the fixed mould cavity frame after beginning 180 degrees rotations.

Furthermore, the number of the fixing strips is two, and the two sides of the die are symmetrically arranged.

Furthermore, a positioning guide post is arranged on the movable mould pressing machine plate, and a positioning guide post sleeve corresponding to the positioning guide post is arranged on the movable mould cavity frame.

Furthermore, the movable mould cavity frame is fixed with the movable mould core fixing plate through a third fixing screw.

Through the utility model discloses technical scheme reaches the purpose of quick clearance exhaust passage, can go the clearance that realizes exhaust passage on the injection molding machine, need not pull down the mould earlier from the injection molding machine, exhausts clearance, convenient and fast, labour saving and time saving again.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection of the movable mold part of the present invention-1;

FIG. 3 is a schematic view of the connection of the movable mold part of the present invention-2;

FIG. 4 is a schematic view of the structure of the movable mold core fixing plate and the movable mold core of the present invention;

FIG. 5 is a schematic view of the cross-sectional structure of the movable mold part of the present invention;

fig. 6 is a schematic view of the cross-sectional structure of the fixed mold part of the present invention.

In the figure: 1. moving a mould press plate; 2. a movable mould core fixing plate; 3. positioning a guide post; 4. a movable model cavity frame; 5. fixing the die cavity frame; 6. a movable mold core; 7. fixing screw holes; 8. a die cavity is fixed; 9. doubling plates; 10. a first fixing screw; 11. positioning a guide post sleeve; 12. a movable model cavity; 13. a fixing strip; 14. an exhaust passage; 15. a second fixing screw; 16. and a third fixing screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-6, an exhaust structure of a mold for injection molding of a pipe fitting comprises a movable mold press plate 1, a movable mold core fixing plate 2, a movable mold cavity frame 4, a fixed mold cavity frame 5, a doubler plate 9, a movable mold cavity 12, a fixed mold cavity 8 and a fixing strip 13, wherein the movable mold press plate 1 and the movable mold core fixing plate 2 are fixed by a first fixing screw 10, the movable mold cavity 12 is fixed to the movable mold cavity frame 4, the movable mold cavity frame 4 is fixed to the movable mold core fixing plate 2, specifically, the movable mold cavity frame 4 is fixed to the movable mold core fixing plate by a third fixing screw 16, and the third fixing screw 16 is screwed in from the lower part of the movable mold cavity frame 4 for fixation.

The fixed die cavity 8 is fixed on the fixed die cavity frame 5, the fixed die cavity frame 5 is fixed on the compound plate 9, and the compound plate 9 is arranged on other supporting structures of the die.

The lower part of the movable mould core fixing plate 2 is provided with a movable mould core 6, and the movable mould core 6 is provided with an exhaust passage 14 for exhaust demoulding.

In order to solve the exhaust passage clearance problem, all be provided with on movable mould core fixed plate 2 and cover half die cavity frame 5 and use movable mould cavity frame 4 as the fixed screw hole 7 of equidistance at center, the corresponding position of movable mould cavity frame 4 also is provided with fixed screw hole 7, the one end of fixed strip 13 is passed through second fixed screw 15 and is fixed on the fixed screw hole 7 of movable mould cavity frame 4, and the other end is used for carrying out fixed connection with fixed screw hole 7 on movable mould core fixed plate 2 or the cover half die cavity frame 5 to can select the switching. The fixing strip 13 can use the fixing screw hole 7 on the movable model cavity frame 4 as the center of a circle, and the fixing screw hole 7 on the driven model core fixing plate 2 is coincided with the fixing screw hole 7 on the fixed model cavity frame 5 after the fixing screw hole 7 starts to rotate for 180 degrees. The fixed strip quantity is two, and the symmetry sets up the both sides of mould.

For convenience of positioning, a positioning guide post 3 is arranged on the movable mould pressing plate 1, and a positioning guide post sleeve 11 matched with the positioning guide post 3 is arranged on the movable mould cavity frame 4.

The connection of the fixing strip 13 may be: and a fixed strip 13 is externally arranged on the movable mould cavity frame 4 and the movable mould core fixing plate 2 and is fixed through a second fixing screw 15. Or after rotation, fixing strips 13 are externally arranged on the movable mould cavity frame 4 and the fixed mould cavity frame 5 and are fixed through second fixing screws 15. The fixed strip 13 can be overlapped after rotating 180 degrees by taking the fixed screw hole of the movable model cavity frame 4 as the center of a circle.

The utility model discloses a specific exhaust clearance technology does: when the mold is in a mold opening state of the injection molding machine, firstly fixing a movable mold cavity frame 4 and a movable mold core fixing plate 2 through a fixing strip 13 by using a second fixing screw 15, further removing a third fixing screw 16 on the movable mold cavity frame 4 to release the fixation with the movable mold core fixing plate 2 (as shown in figure 2), and after the mold closing of the injection molding machine is completed, removing the second fixing screw 15 on the movable mold core fixing plate 2, loosening the second fixing screw 15 on the movable mold cavity frame 4, and rotating the fixing strip 13 for 180 degrees to enable the fixing strip to be originally fixed on the movable mold core fixing plate 2 and be fixed on a fixed mold cavity frame 5; further utilizing the mold opening action of the injection molding machine, the obtained effect is as shown in figure 1; further cleaning of the core exhaust channel 14 is enabled; after cleaning, closing the die, detaching a second fixing screw 15 fixed on the fixed die cavity frame 5, loosening the second fixing screw 15 on the movable die cavity frame 4, and fixing the movable die cavity frame 4 and the movable die core fixing plate 2 by using a fixing strip 13 after rotating for 180 degrees; and further separating the movable mold from the fixed mold by utilizing the mold opening action of the injection molding machine, and fixing the movable mold cavity frame 4 and the movable mold core fixing plate 2 again through a third fixing screw 16 to finish all the steps.

Through the utility model discloses technical scheme reaches quick clearance exhaust problem, can go the clearance that realizes exhaust passage on the injection molding machine, need not pull down the mould from the injection molding machine, exhausts clearance, labour saving and time saving, convenient and fast again.

It should be noted that the present invention relates to an improvement of a partial structure of an injection mold in order to clean a core exhaust passage in the injection mold, and relates to the partial structure of the injection mold, and other structures of the injection mold, such as a support structure below a doubler plate, an ejection mechanism of a mold, etc., belong to the prior art, and are not described in detail herein.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an injection molding pipe fitting mould exhaust structure, a serial communication port, including movable mould pressing machine board (1), movable mould core fixed plate (2), movable mould cavity frame (4), cover half die cavity frame (5), compound board (9), movable mould cavity (12), cover half die cavity (8) and fixed strip (13), fix through first fixed screw (10) between movable mould pressing machine board (1) and movable mould core fixed plate (2), movable mould cavity (12) are fixed in movable mould cavity frame (4), movable mould cavity frame (4) are fixed in on movable mould core fixed plate (2), cover half die cavity (8) are fixed in cover half die cavity frame (5), cover half die cavity frame (5) are fixed in on compound board (9), be provided with movable mould core (6) in movable mould core fixed plate (2) lower part, be provided with exhaust passage (14) on movable mould core (6), all be provided with on movable mould core fixed plate (2) and cover half die cavity frame (5) and use movable mould cavity frame (4) as equidistance fixed screw hole (7) of center, the one end of fixed strip (13) is fixed in second fixed die cavity (15) and is used for fixed die cavity (2) fixed die cavity (7) or fixed strip (2) is connected.

2. The exhaust structure of the injection molding pipe fitting mold according to claim 1, wherein the fixing strip (13) can use a fixing screw hole (7) on the movable mold cavity frame (4) as a circle center, and the fixing screw hole (7) on the movable mold core fixing plate (2) is overlapped with the fixing screw hole (7) on the fixed mold cavity frame (5) after the fixing screw hole (7) starts to rotate for 180 degrees.

3. The exhaust structure of the injection molding pipe fitting mold according to claim 1, wherein the number of the fixing strips (13) is two, and two sides of the mold are symmetrically arranged.

4. The exhaust structure of the injection molding pipe fitting mold according to claim 1, wherein a positioning guide post (3) is provided on the movable mold press plate (1), and a positioning guide post sleeve (11) corresponding to the positioning guide post (3) is provided on the movable mold cavity frame (4).

5. The exhaust structure of a mold for injection molding of a pipe according to claim 1, wherein the movable mold cavity frame (4) is fixed to the movable mold core fixing plate (2) by a third fixing screw (16).