CN212400260U

CN212400260U - Plastic injection mold

Info

Publication number: CN212400260U
Application number: CN202020461983.XU
Authority: CN
Inventors: 谢国柱
Original assignee: Foshan Ruishunfeng Technology Co ltd
Current assignee: Foshan Ruishunfeng Technology Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-01-26
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a plastic injection mold, which comprises a workbench, wherein a cooling structure and a demolding structure are arranged on the upper wall surface of the workbench; the utility model relates to an injection mold technical field, this device is rational in infrastructure, and is with low costs, high durability and convenient use, can make the bed die and go up the mould butt joint through the pneumatic cylinder, can pour into the material into and carry out injection moulding to the lower mould intracavity through the hole of moulding plastics, the back that finishes of moulding plastics, water through the refrigeration piece in the cooling structure in to the water tank refrigerates, the water that finishes of refrigeration passes through leading-in entering to the water pipe of water pump, the water pipe carries out the cooling water circulation, the collection air conditioning that converges in the bearing box, the fan can be with air conditioning through the blast pipe leading-in to the air channel in to carry out quick cooling shaping to the material of lower mould intracavity, injection mold's production efficiency has been improved, after the shaping, can carry out quick drawing of patterns to it through demoulding.

Description

Plastic injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is a plastics injection mold.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting.

After the existing injection mold finishes injection molding, a natural cooling method is generally adopted to wait for molding, but the natural cooling method is slow in molding, delays the working process, has low working efficiency, is difficult to demold, is difficult to take out after molding, and reduces the working efficiency.

SUMMERY OF THE UTILITY MODEL

To current injection mold shaping slowly among the prior art, work efficiency ground, and the comparatively difficult not enough of work piece shaping back drawing of patterns, the utility model provides a plastic injection mold.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a plastic injection mold comprises a workbench, wherein a support frame is fixedly arranged on the upper wall surface of the workbench, a pair of hydraulic cylinders with the same structure is fixedly arranged on the lower wall surface of the support frame, an upper template is fixedly arranged on the driving ends of the pair of hydraulic cylinders, an injection molding hole is formed in the center of the upper template, two pairs of guide pipes with the same structure are fixedly arranged on the lower wall surface of the upper template, and a cooling structure and a demolding structure are arranged on the upper wall surface of the workbench;

the cooling structure includes: the device comprises a lower die, two pairs of guide pillars with the same structure, a support plate, a water tank, a pair of refrigerating sheets with the same structure, a water pump, a bearing box, a water service pipe, a pair of fans with the same structure and an exhaust pipe;

the lower die is fixedly arranged on the table top of the workbench, a lower die cavity is arranged in the lower die, two pairs of guide posts are fixedly arranged on the upper wall surface of the lower die, an air channel is arranged in the lower die and positioned at the periphery of the lower die cavity, the supporting plate is fixedly arranged on one side of the outer side of the lower die, the water tank is fixedly arranged on the upper wall surface of the supporting plate, a pair of refrigerating sheets is fixedly arranged on one side of the outer side of the water tank, the water pump is fixedly arranged on the upper wall surface of the outer side of the water tank, a water pumping opening of the water pump is connected with the water tank, the bearing box is fixedly arranged on the upper wall surface of the supporting plate, an opening is arranged on the upper wall surface of the bearing box, one end of the water pipe is fixedly embedded in a water pumping opening, the other end of the water pipe movably penetrates through, and is connected with the vent groove.

Preferably, the demolding structure includes: the demoulding mechanism comprises a pair of push plates with the same structure, a pair of demoulding rods with the same structure, a movable plate, a rotating rod, a pair of eccentric wheels with the same structure and a motor;

the pair of push plates are movably embedded on the lower wall surface in the lower die cavity, one ends of the pair of demoulding rods are fixedly connected with the pair of push plates, the other ends of the pair of demoulding rods movably penetrate through the lower die, the movable plate is fixedly arranged at the other ends of the pair of demoulding rods, the two ends of the rotating rod are movably embedded on the lower side of the lower die, the pair of eccentric wheels are fixedly sleeved on the outer wall surface of the rotating rod, the motor is fixedly arranged on one side outside the lower side of the lower die, and the driving end of the motor is fixedly connected with one end.

Preferably, the vent groove is of a concave structure.

Preferably, a pair of rubber rings with the same structure is fixedly installed between the bearing box and the water pipe.

Preferably, the rotating rod is connected with the lower die lower side through a bearing, the bearing inner ring is in interference fit with the rotating rod, and the outer ring of the bearing is fixedly connected with the lower die lower side.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: this device is rational in infrastructure, and is with low costs, high durability and convenient use, can make the bed die and go up the mould butt joint through the pneumatic cylinder, can carry out injection moulding to the intracavity injection material of bed die through the hole of moulding plastics, the back that finishes of moulding plastics, water through the refrigeration piece in the cooling structure refrigerate to the water tank in, the water that finishes of refrigeration passes through the leading-in of water pump and gets into to the water pipe in, the water pipe carries out the cooling water circulation, the bearing box internal convergence air conditioning that gathers, the fan can carry out the quick cooling shaping to the material of bed die intracavity through the blast pipe leading-in to the air channel with air conditioning, injection mold's production efficiency has been improved, after the shaping, can carry out quick drawing of patterns to it through demoulding structure, thereby prevent.

Drawings

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

fig. 2 is a schematic side view of the cooling structure of the present invention;

fig. 3 is a schematic top view of the lower mold of the present invention.

In the figure: 1. a work table; 2. a support frame; 3. a hydraulic cylinder; 4. mounting a template; 5. injection molding holes; 6. a conduit; 7. a lower die; 8. a support plate; 9. a water tank; 10. a refrigeration plate; 11. a water pump; 12. a carrying case; 13. a water pipe; 14. a fan; 15. an exhaust pipe; 16. pushing the plate; 17. a stripper bar; 18. a movable plate; 19. a rotating rod; 20. an eccentric wheel; 21. a motor; 22. a rubber ring; 23. a guide post; 24. and (4) a lower die cavity.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: a plastic injection mold comprises a workbench 1, wherein a support frame 2 is fixedly arranged on the upper wall surface of the workbench 1, a pair of hydraulic cylinders 3 with the same structure is fixedly arranged on the lower wall surface of the support frame 2, an upper template 4 is fixedly arranged at the driving end of the pair of hydraulic cylinders 3, an injection hole 5 is formed in the center of the upper template, two pairs of guide pipes 6 with the same structure are fixedly arranged on the lower wall surface of the upper template 4, and a cooling structure and a demolding structure are arranged on the upper wall surface of the workbench 1; a cooling structure comprising: the device comprises a lower die 7, two pairs of guide pillars 23 with the same structure, a support plate 8, a water tank 9, a pair of refrigeration sheets 10 with the same structure, a water pump 11, a bearing box 12, a water pipe 13, a pair of fans 14 with the same structure and an exhaust pipe 15; the lower die 7 is fixedly arranged on the table top of the workbench 1, a lower die cavity 24 is arranged in the lower die 7, two pairs of guide posts 23 are fixedly arranged on the upper wall surface of the lower die 7, an air channel is arranged in the lower die 7 and positioned at the periphery of the lower die cavity 24, the support plate 8 is fixedly arranged at one side outside the lower die 7, the water tank 9 is fixedly arranged on the upper wall surface of the support plate 8, the pair of refrigerating sheets 10 are fixedly arranged at one side outside the water tank 9, the water pump 11 is fixedly arranged on the upper wall surface outside the water tank 9, the water pumping port of the water pump is connected with the water tank 9, the bearing box 12 is fixedly arranged on the upper wall surface of the support plate 8, an opening is arranged on the upper wall surface of the bearing box, one end of the water pipe 13 is fixedly embedded in the water discharging port of the water pump 11, the other, and the other end of the water cooling device is fixedly embedded in the lower die 7 and connected with the vent groove, water in the water tank 9 is cooled through a cooling sheet 10 in the cooling structure, the cooled water enters a water pipe 13 through the introduction of a water pump 11, the water pipe 13 circulates cooling water, cold air is collected in the bearing box 12, and the fan 14 introduces the cold air into the vent groove through an exhaust pipe 15 to rapidly cool and form materials in the lower die cavity 24.

Preferably, further, the mold release structure includes: a pair of push plates 16 with the same structure, a pair of demoulding rods 17 with the same structure, a movable plate 18, a rotating rod 19, a pair of eccentric wheels 20 with the same structure and a motor 21;

the pair of push plates 16 are movably embedded on the inner lower wall surface of the lower die cavity 24, one ends of the pair of demoulding rods 17 are fixedly connected with the lower wall surface of the pair of push plates 16, the other ends of the pair of demoulding rods 17 movably penetrate through the lower die 7, the movable plate 18 is fixedly arranged at the other ends of the pair of demoulding rods 17, two ends of the rotating rod 19 are movably embedded on the lower side of the lower die 7, the pair of eccentric wheels 20 are fixedly sleeved on the outer wall surface of the rotating rod 19, the motor 21 is fixedly arranged on one side outside the lower side of the lower die 7, the driving end of the motor is fixedly connected with one end of the rotating rod 19, rapid demoulding can be carried.

Preferably, the vent groove is of a concave structure.

Preferably, a pair of rubber rings 22 with the same structure are fixedly mounted between the carrying case 12 and the water pipe 13: the rubber ring 22 prevents cool air from leaking out.

Preferably, the rotating rod 19 is connected with the lower side of the lower die 7 through a bearing, an inner ring of the bearing is in interference fit with the rotating rod 19, and an outer ring of the bearing is fixedly connected with the lower side of the lower die 7.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Example (b): as shown in the attached drawings 1-3, a lower mold 7 and an upper mold can be butted through a hydraulic cylinder 3, materials can be injected into a lower mold cavity 24 through an injection hole 5 for injection molding, after the injection molding is finished, a refrigerating sheet 10 is opened, the refrigerating sheet 10 refrigerates water in a water tank 9, the refrigerated water enters a water pipe 13 through the introduction of a water pump 11, the water pipe 13 circulates cooling water, at the moment, cold air is collected in a bearing box 12, a fan 14 introduces the cold air into a vent groove through an exhaust pipe 15 for rapid cooling molding of the materials in the lower mold cavity 24, after the molding is finished, the hydraulic cylinder 3 is controlled to drive the upper mold plate 4 to be separated from the lower mold 7, a motor 21 is started, the motor 21 drives a rotating rod 19 to rotate, the rotating rod 19 drives an eccentric wheel 20 to rotate, the eccentric wheel 20 pushes against a movable plate 18, the movable plate 18 pushes against a demoulding rod 17 upwards, so that the push plate 16 is driven by the push plate to push the workpiece in the lower die cavity 24 to carry out rapid demoulding.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of 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; meanwhile, unless explicitly specified or limited otherwise, the terms "mounted", "disposed", "opened", "embedded", "extended", "penetrated", "nested", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. A plastic injection mold comprises a workbench (1), and is characterized in that a support frame (2) is fixedly installed on the upper wall surface of the workbench (1), a pair of hydraulic cylinders (3) with the same structure are fixedly installed on the lower wall surface of the support frame (2), an upper template (4) is fixedly installed at the driving ends of the hydraulic cylinders (3), an injection molding hole (5) is formed in the center of the upper template, two pairs of guide pipes (6) with the same structure are fixedly installed on the lower wall surface of the upper template (4), and a cooling structure and a demolding structure are installed on the upper wall surface of the workbench (1);

the cooling structure includes: the device comprises a lower die (7), two pairs of guide posts (23) with the same structure, a support plate (8), a water tank (9), a pair of refrigerating fins (10) with the same structure, a water pump (11), a bearing box (12), a water pipe (13), a pair of fans (14) with the same structure and an exhaust pipe (15);

the lower die (7) is fixedly arranged on the table top of the workbench (1), a lower die cavity (24) is formed in the lower die, two pairs of guide posts (23) are fixedly arranged on the upper wall surface of the lower die (7), vent grooves are formed in the lower die (7) and positioned around the lower die cavity (24), the support plate (8) is fixedly arranged on one side outside the lower die (7), the water tank (9) is fixedly arranged on the upper wall surface of the support plate (8), the pair of refrigerating sheets (10) is fixedly arranged on one side outside the water tank (9), the water pump (11) is fixedly arranged on the upper wall surface outside the water tank (9), a water pumping port of the water pump is connected with the water tank (9), the bearing box (12) is fixedly arranged on the upper wall surface of the support plate (8), an opening is formed in the upper wall surface of the water pumping port, one end of the water pipe (13) is fixedly embedded in a water draining port of the water pump, the air exhaust pipe is connected with the other side of the water tank (9), the pair of fans (14) are fixedly embedded in the bearing box (12), one end of the air exhaust pipe (15) is fixedly embedded in one side of the bearing box (12), and the other end of the air exhaust pipe is fixedly embedded in the lower die (7) and is connected with the air groove.

2. A plastic injection mold as defined in claim 1, wherein said demolding structure comprises: a pair of push plates (16) with the same structure, a pair of demoulding rods (17) with the same structure, a movable plate (18), a rotating rod (19), a pair of eccentric wheels (20) with the same structure and a motor (21);

the pair of push plates (16) are movably embedded in the inner lower wall surface of the lower die cavity (24), one ends of the pair of demoulding rods (17) are fixedly connected with the lower wall surface of the pair of push plates (16), the other ends of the pair of demoulding rods movably penetrate through the lower die (7), the movable plate (18) is fixedly arranged at the other ends of the pair of demoulding rods (17), two ends of the rotating rod (19) are movably embedded in the lower side of the lower die (7), the pair of eccentric wheels (20) are fixedly sleeved on the outer wall surface of the rotating rod (19), the motor (21) is fixedly arranged on the outer side of the lower die (7), and the driving end of the motor is fixedly connected with one end of the rotating rod.

3. A plastics injection mould according to claim 1, wherein the vent channel is of "concave" configuration.

4. A plastic injection mould according to claim 1, characterized in that a pair of identically constructed rubber rings (22) is fixedly mounted between the carrier box (12) and the water conduit (13).

5. A plastic injection mould according to claim 2, characterised in that the turning rod (19) is connected to the underside of the lower mould (7) by means of a bearing, that the inner ring of the bearing is in interference fit with the turning rod (19), and that the outer ring of the bearing is fixedly connected to the underside of the lower mould (7).