CN219095729U

CN219095729U - Injection molding device for producing plastic pipe fittings

Info

Publication number: CN219095729U
Application number: CN202222493312.3U
Authority: CN
Inventors: 练大伟
Original assignee: Shanghai Jiulian Biotechnology Co ltd
Current assignee: Shanghai Jiulian Biotechnology Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-05-30
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses an injection molding device for producing plastic pipe fittings, which comprises a bottom plate, an injection molding mechanism for providing molten plastic, a cooling mechanism for cooling and clamping a mold, and a molding mechanism for conveniently taking out the pipe fittings and preventing the pipe fittings from deforming when separating the mold.

Description

Injection molding device for producing plastic pipe fittings

Technical Field

The utility model relates to the technical field of plastic pipe production, in particular to an injection molding device for producing plastic pipe.

Background

The plastic pipe fitting has the characteristics of light weight, corrosion resistance, attractive appearance and the like, is widely applied to building engineering, is mainly used as a tap water supply system piping, drainage and wire installation of a building construction and is matched with the wiring, injection molding is a method for producing and molding industrial products, the products are usually molded by rubber injection molding and plastic injection molding, the injection molding can be divided into an injection molding compression molding method and a die casting method, and the injection molding process is main molding equipment for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die.

When the existing pipe fitting is formed, the pipe fitting has residual temperature, the injection molding device is not easy to take out the pipe fitting, if the pipe fitting is directly pulled out of the mold, the pipe fitting is deformed to form waste products, the rejection rate is improved, and the working efficiency is reduced.

Disclosure of Invention

The object of the present utility model is to provide an injection moulding device for producing plastic pipe fittings in order to solve the above-mentioned problems.

The utility model realizes the above purpose through the following technical scheme:

an injection molding device for producing plastic pipe fittings comprises a bottom plate, an injection molding mechanism for providing molten plastic, a cooling mechanism for cooling and clamping a mold, and a forming mechanism for conveniently taking out the pipe fittings and preventing the pipe fittings from deforming when separating the mold, wherein a supporting plate is arranged on the upper side of the bottom plate, a sliding plate is arranged on the inner side of the supporting plate, the forming mechanism is arranged in the sliding plate, the cooling mechanism is arranged on the outer side of the forming mechanism, and the injection molding mechanism is arranged on one side of the supporting plate;

the forming mechanism comprises a mounting cylinder, the mounting cylinder is fixed on one side of the supporting plate, a fixed die is fixed on one side of the mounting cylinder, forming plates are respectively arranged on the upper side and the lower side of the fixed die, a sliding table is arranged on the upper side of each forming plate, a connecting plate and a connecting shaft penetrate through the inside of each sliding table and are fixedly connected with the forming plates, springs are fixed between the sliding tables and the forming plates, a third air cylinder is fixed on one side of each sliding table, the third air cylinder is fixedly mounted on one side of the supporting plate, a fourth air cylinder is arranged in the other supporting plate, a movable die is fixed at the power output end of the fourth air cylinder, a core is fixed inside each movable die, and sliding rods are fixedly connected on the upper side and the lower side of each movable die.

Preferably, the cooling mechanism comprises a cooling plate, the cooling plate is arranged outside the forming plate, a second air cylinder is fixed outside the cooling plate, an installation seat is arranged outside the second air cylinder, a water tank is arranged on the upper side of the sliding plate, a liquid pump is arranged on one side of the water tank, and a water pipe is connected between the liquid pump and the cooling plate and between the water tank and the cooling plate.

Preferably, the injection molding mechanism comprises a fixed plate, the fixed plate is fixed on the upper side of the bottom plate, a first air cylinder is fixed on one side of the fixed plate, a sliding seat is fixedly arranged at the power output end of the first air cylinder, a nozzle is arranged in the sliding seat, and the nozzle is in sliding connection with the inside of the supporting plate and is positioned in the mounting cylinder.

Preferably, the sliding table and the sliding rod are respectively connected with the sliding plate in a sliding manner, and the connecting plate and the connecting shaft are respectively connected with the sliding table in a sliding manner.

Preferably, the outside of the stationary mold is provided in a triangle shape and is fitted with the molding plate.

Preferably, a groove is formed in one side of the forming plate, a protruding block is arranged on one side of the movable die, and the protruding block is matched with the groove.

Preferably, a channel is arranged in the fixed die.

Preferably, the sliding seat is slidably connected with the bottom plate.

The beneficial effects are that: the sliding table is driven to clamp when the forming plate is moved to the outside of the fixed die through the spring, the fixed die, the forming plate, the core and the movable die form a cavity for injection molding, the cooling mechanism is used for cooling and further clamping the forming plate, the fixed die is contacted with the forming plate, the forming plate is separated outwards firstly when being pulled, friction pipe fittings are prevented from being damaged and deformed when moving, and the pipe fittings are conveniently taken down through the separation of the forming plate and the movement of the core, so that the working efficiency is improved.

Drawings

FIG. 1 is a perspective view of an injection molding apparatus for producing plastic tubing in accordance with the present utility model;

FIG. 2 is a schematic view of an injection molding apparatus for producing plastic tubing according to the present utility model;

FIG. 3 is a perspective view of a molding mechanism of an injection molding apparatus for producing plastic tubing in accordance with the present utility model;

FIG. 4 is a schematic view of a molding mechanism of an injection molding apparatus for producing plastic pipe according to the present utility model;

FIG. 5 is a perspective view of a cooling mechanism of an injection molding apparatus for producing plastic tubing in accordance with the present utility model;

FIG. 6 is a right side view of a cooling mechanism of an injection molding apparatus for producing plastic tubing in accordance with the present utility model;

fig. 7 is a perspective view of an injection molding mechanism of an injection molding apparatus for producing plastic tubing in accordance with the present utility model.

1. A bottom plate; 2. an injection molding mechanism; 201. a fixing plate; 202. a first cylinder; 203. a sliding seat; 204. a nozzle; 3. a sliding plate; 4. a support plate; 5. a cooling mechanism; 501. a water tank; 502. a water pipe; 503. a liquid pump; 504. a cooling plate; 505. a second cylinder; 506. a mounting base; 6. a forming mechanism; 601. a mounting cylinder; 602. a third cylinder; 603. a sliding table; 604. a connecting plate; 605. a connecting shaft; 606. a spring; 607. forming a plate; 608. a core; 609. a movable mold; 610. a slide bar; 611. a fourth cylinder; 612. and (5) fixing the mold.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 7, an injection molding apparatus for producing plastic pipe fittings comprises a base plate 1, an injection molding mechanism 2 for supplying molten plastic, a cooling mechanism 5 for cooling and clamping a mold, and a molding mechanism 6 for facilitating pipe fitting taking out and preventing pipe fitting deformation when separating the mold, wherein a support plate 4 is provided on the upper side of the base plate 1, a sliding plate 3 is mounted on the inner side of the support plate 4, the molding mechanism 6 is provided inside the sliding plate 3, a cooling mechanism 5 is provided on the outer side of the molding mechanism 6, and the injection molding mechanism 2 is provided on one side of the support plate 4.

In this embodiment, the forming mechanism 6 includes a mounting cylinder 601, the mounting cylinder 601 is bolted to one side of the support plate 4, a fixed mold 612 is welded to one side of the mounting cylinder 601, forming plates 607 are respectively disposed on the upper and lower sides of the fixed mold 612, a sliding table 603 is disposed on the upper side of the forming plates 607, a connecting plate 604 and a connecting shaft 605 are penetrated inside the sliding table 603 and are welded to the forming plates 607, a spring 606 is welded to the outside of the connecting shaft 605 and between the sliding table 603 and the forming plates 607, a third cylinder 602 is bolted to one side of the sliding table 603, the third cylinder 602 is bolted to one side of the support plate 4, a fourth cylinder 611 is disposed inside the other support plate 4, a movable mold 609 is bolted to the power output end of the fourth cylinder, a core 608 is welded to the inside of the movable mold 609, and a sliding rod 610 is welded to the upper and lower sides of the movable mold 609; the sliding table 603 and the sliding rod 610 are respectively connected with the sliding plate 3 in a sliding way, the connecting plate 604 and the connecting shaft 605 are respectively connected with the sliding table 603 in a sliding way, the outside of the fixed die 612 is triangular and matched with the forming plate 607, a groove is arranged on one side of the forming plate 607, a bump is arranged on one side of the moving die 609 and matched with the groove, and a channel is arranged inside the fixed die 612; the third cylinder 602 is started to drive the sliding table 603 to move so that the forming plate 607 moves and is attached to the fixed die 612, the forming plate 607 is preliminarily clamped by the spring 606, the fourth cylinder 611 is started to drive the movable die 609 to move so that the core 608 is attached to the fixed die 612, the bump on one side of the movable die 609 is inserted into the groove on one side of the forming plate 607 to form an injection molding cavity, after injection molding is completed, the third cylinder 602 is started to pull the sliding table 603, the outside of the fixed die 612 is set to be triangular, the forming plate 607 is separated outwards when being pulled, the forming pipe is not rubbed to move, and the fourth cylinder 611 is started to drive the movable die 609 to move so that the core 608 is moved and the forming pipe is taken down.

In the present embodiment, the cooling mechanism 5 includes a cooling plate 504, the cooling plate 504 is disposed outside the molding plate 607, a second cylinder 505 is bolted to the outside of the cooling plate 504, a mount 506 is disposed outside the second cylinder 505, a water tank 501 is disposed on the upper side of the sliding plate 3, a liquid pump 503 is mounted on one side of the water tank 501, and a water pipe 502 is connected between the liquid pump 503 and the cooling plate 504 and between the water tank 501 and the cooling plate 504; the second cylinder 505 is started to push the cooling plate 504 to be closed inwards, the forming plate 607 is clamped, the liquid pump 503 is used for leading cooling water into the cooling plate 504 through the water pipe 502 to absorb heat from the forming plate 607, the cooling plate 504 is used for leading the cooling water to flow back into the water tank 501 through the water pipe 502 to form water circulation, after the pipe is formed, the second cylinder 505 is started to enable the cooling plate 504 to be separated outwards.

In this embodiment, the injection molding mechanism 2 includes a fixed plate 201, the fixed plate 201 is bolted to the upper side of the base plate 1, a first cylinder 202 is bolted to one side of the fixed plate 201, a sliding seat 203 is bolted to the power output end of the first cylinder 202, a nozzle 204 is disposed inside the sliding seat 203, and the nozzle 204 is slidably connected inside the support plate 4 and is located inside the mounting cylinder 601; the first cylinder 202 is started to push the sliding seat 203 to slide, so that the nozzle 204 moves to be attached to the fixed die 612, and after molten plastic is injected, the first cylinder 202 is started, so that the nozzle 204 is retracted.

In the above structure, the third cylinder 602 is started to drive the sliding table 603 to move, the forming plate 607 is connected with the forming plate 607 through the connecting plate 604 and the connecting shaft 605 to enable the forming plate 607 to move and be attached to the fixed die 612, the forming plate 607 is preliminarily clamped with each other through the spring 606, the fourth cylinder 611 is started to drive the movable die 609 to move to enable the core 608 to be attached to the fixed die 612, the bump on one side of the movable die 609 is inserted into the groove on one side of the forming plate 607, the second cylinder 505 is started to drive the cooling plate 504 to be closed inwards to enable the forming plate 607 to be completely compressed, the fixed plate 201 is started to push the sliding seat 203 to enable the nozzle 204 to be attached to the fixed die 612, molten plastics are injected into the cavity formed by the forming plate 607, the core 608, the movable die 609 and the fixed die 612, and the liquid pump 503 is started, the cooling water in the water tank 501 is conveyed into the cooling plate 504 through the water pipe 502, the cooling plate 504 transmits the temperature to the cooling water flowing in the water tank 501, the cooling plate 504 conveys the cooling water back to the water tank 501 through the water pipe 502 to form water circulation, the first cylinder 202 is started, the injection nozzle 204 is pulled back, the second cylinder 505 is started to enable the cooling plate 504 to move outwards, the third cylinder 602 is started to pull the sliding table 603, the outside of the fixed die 612 is set to be triangular, the forming plate 607 is separated outwards when being pulled through the connecting plate 604 and the connecting shaft 605, the forming pipe fitting is not rubbed to move, the fourth cylinder 611 is started to drive the movable die 609 to move, the mold core 608 is moved, the forming pipe fitting is taken down, and the above-mentioned movement is repeated.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Injection molding device for producing plastic pipe fittings, comprising a base plate (1), an injection molding mechanism (2) for providing molten plastic, a cooling mechanism (5) for cooling and clamping a mold, characterized in that: the pipe fitting forming device is characterized by further comprising a forming mechanism (6) which is used for conveniently taking out the pipe fitting and preventing the pipe fitting from deforming when separating the die, wherein a supporting plate (4) is arranged on the upper side of the bottom plate (1), a sliding plate (3) is arranged on the inner side of the supporting plate (4), the forming mechanism (6) is arranged in the sliding plate (3), a cooling mechanism (5) is arranged on the outer side of the forming mechanism (6), and an injection molding mechanism (2) is arranged on one side of the supporting plate (4);

the forming mechanism (6) comprises a mounting cylinder (601), the mounting cylinder (601) is fixed on one side of a supporting plate (4), a fixed die (612) is fixed on one side of the mounting cylinder (601), forming plates (607) are respectively arranged on the upper side and the lower side of the fixed die (612), a sliding table (603) is arranged on the upper side of each forming plate (607), a connecting plate (604) and a connecting shaft (605) penetrate through the sliding table (603) and are fixedly connected with the forming plates (607), a spring (606) is fixed on the outer side of the connecting shaft (605) and between the sliding table (603) and the forming plates (607), a third air cylinder (602) is fixed on one side of each sliding table (603), a fourth air cylinder (611) is fixedly arranged on the inner side of each supporting plate (4), a moving die (609) is fixedly arranged at the power output end of each fourth air cylinder, a moving die (609) is fixedly connected with a core (608), and a sliding rod (610) is fixedly connected on the lower side of each moving die (609).

2. An injection molding apparatus for producing plastic tubing as defined in claim 1, wherein: the cooling mechanism (5) comprises a cooling plate (504), the cooling plate (504) is arranged outside the forming plate (607), a second air cylinder (505) is fixed outside the cooling plate (504), an installation seat (506) is arranged outside the second air cylinder (505), a water tank (501) is arranged on the upper side of the sliding plate (3), a liquid pump (503) is arranged on one side of the water tank (501), and a water pipe (502) is connected between the liquid pump (503) and the cooling plate (504) and between the water tank (501) and the cooling plate (504).

3. An injection molding apparatus for producing plastic tubing as defined in claim 1, wherein: injection molding mechanism (2) are including fixed plate (201), fixed plate (201) are fixed bottom plate (1) upside, fixed plate (201) one side is fixed with first cylinder (202), first cylinder (202) power take off end fixed mounting has sliding seat (203), sliding seat (203) inside is provided with penetrates mouth (204), it is in to penetrate mouth (204) sliding connection backup pad (4) inside just is located inside mounting cylinder (601).

4. An injection molding apparatus for producing plastic tubing as defined in claim 1, wherein: the sliding table (603) and the sliding rod (610) are respectively connected with the sliding plate (3) in a sliding manner, and the connecting plate (604) and the connecting shaft (605) are respectively connected with the sliding table (603) in a sliding manner.

5. An injection molding apparatus for producing plastic tubing as defined in claim 1, wherein: the outside of the fixed die (612) is arranged in a triangle shape and is matched with the forming plate (607).

6. An injection molding apparatus for producing plastic tubing as defined in claim 1, wherein: the forming plate (607) one side is provided with the recess, movable mould (609) one side is provided with the lug, and lug and recess cooperation.

7. An injection molding apparatus for producing plastic tubing as defined in claim 1, wherein: the fixed die (612) is internally provided with a channel.

8. An injection molding apparatus for producing plastic tubing as defined in claim 3, wherein: the sliding seat (203) is in sliding connection with the bottom plate (1).