CN210733186U

CN210733186U - Injection molding mechanism for injection molding machine

Info

Publication number: CN210733186U
Application number: CN201921615361.1U
Authority: CN
Inventors: 吴宏付
Original assignee: Suzhou Kangjie Plastic Technology Co Ltd
Current assignee: Suzhou Kangjie Plastic Technology Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-12
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses an injection molding machine constructs, which comprises a frame, frame top intermediate position fixedly connected with lower mould is located the vertical upwards fixed mounting of frame top intermediate position of the both sides has a cylinder, two about the lower mould the equal fixedly connected with fixed steel sheet of piston rod up end of cylinder, two fixed steel sheet is fixed on the fixedly connected with in the middle of the lateral wall in opposite directions and is gone up the mould. The utility model discloses an in-process drawing liquid pump work of moulding plastics passes through the cooling intracavity that the lower mould was carried to the cold water in the water tank through the conveyer pipe, reaches high-efficient cooling effect to along with the water source in the cooling intracavity constantly pours into, retrieve reuse, energy-concerving and environment-protective in the water tank is flowed back to from the back flow to the water source behind the absorbed temperature.

Description

Injection molding mechanism for injection molding machine

Technical Field

The utility model relates to an injection molding machine technical field specifically is injection molding machine constructs.

Background

At present, an injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die. With the acceleration of the modernized construction steps, the injection molding machine is widely applied to various departments of national economy such as buildings, packages, electrical and electronic products, agriculture, automobiles, traffic industry, light industry, petrochemical industry, mechanical industry, national defense industry and the like and various fields of people's lives, and plays an extremely important role.

The utility model discloses a over-and-under type mechanism of moulding plastics through retrieving publication (announcement) No. CN206520150U, including the base, a cylinder drives a guiding mechanism and moves up and down along the base upper end, guiding mechanism includes four guide pillars that run through the base upper end relatively and locates the bottom plate of guide pillar bottom, wear to be equipped with lower mould, last mould and mounting panel on the guide pillar in proper order, the lower mould with base fixed connection, go up the mould and be connected with the guide pillar sliding fit, the mounting panel with guide pillar fixed connection, be equipped with the spring between lower mould and the last mould, and this spring housing is in on the guide pillar, be equipped with the mechanism of moulding plastics on the mounting panel. Although the lifting injection molding mechanism pulls the guide post in the guide mechanism to move up and down through the cylinder, the upper die and the lower die are matched; when the die is closed, the spring is used for buffering the upper die and the lower die. Consequently can adopt the cylinder to realize going up mould and lower mould mode locking, and adopt the cylinder mode locking, simple structure not only to with low costs, the mode locking is efficient, thereby has improved production efficiency, nevertheless explores through the inventor and discovers this technical scheme still has following defect at least:

first, the upper die and the lower die arranged in the technical scheme are both horizontally arranged, and the spring is positioned between the upper die and the lower die, so that even if the spring is in a shortest compression state, the upper die and the lower die cannot be completely attached, so that injection cannot be performed, and serious defects exist;

secondly, the mould frame in the technical scheme is not provided with any cooling mechanism to cool the finished product after injection moulding, thereby influencing the injection moulding time and the working efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection molding machine is with mechanism of moulding plastics has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the injection molding mechanism for the injection molding machine comprises a rack, wherein a lower die is fixedly connected to the middle position of the top of the rack, air cylinders are vertically and upwards fixedly installed at the middle positions of the top of the rack positioned on the left side and the right side of the lower die, the upper end surfaces of piston rods of the two air cylinders are fixedly connected with fixed steel plates, and an upper die is fixedly connected to the middle of one side wall of the two fixed steel plates which are opposite;

a support frame is vertically and fixedly connected to the middle position of the top of the upper die, and an injection molding head is vertically and downwardly fixedly connected to the middle part of the support frame; a water tank is fixedly arranged on the inner side of the bottom of the rack, a cooling tank is fixedly arranged on the right side wall of the water tank, and a cooling pipe is fixedly arranged in the cooling tank; a compressor is fixedly arranged on the inner side of the rack positioned on the right side of the water tank, and a cooling delivery port of the compressor is fixedly communicated with a cooling pipe;

the utility model discloses a cooling device, including water tank, drawing liquid pump, lower mould inner chamber, the fixed intercommunication in water tank inner chamber bottom, the fixed intercommunication in water tank top left side and return pipe head, and the return pipe tail end communicates with the lower mould on cooling chamber left side upper portion is fixed to water tank top right side is fixed with the drawing liquid pump, and the drawing liquid pipe of drawing liquid pump is fixed to run through in water tank inner chamber bottom, the cooling chamber has been seted up to the lower mould inner chamber, and.

As a preferred embodiment of the present invention, the fixing steel plate is of an inverted L shape, and the fixing steel plate is fixed to the upper die by bolts.

As a preferred embodiment of the utility model, the head lower extreme of moulding plastics is sealed to run through and is communicate in the die cavity inner wall of last mould.

As a preferred embodiment of the present invention, the cooling box is made of a stainless steel plate with a thickness of mm.

As a preferred embodiment of the utility model, the tail end of the infusion tube is fixedly communicated with a one-way valve.

As a preferred embodiment of the present invention, the cooling pipe is disposed near one side of the water tank.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an in-process drawing liquid pump work of moulding plastics passes through the cooling intracavity that the lower mould was carried to the cold water in the water tank through the conveyer pipe, reaches high-efficient cooling effect to along with the water source in the cooling intracavity constantly pours into, retrieve reuse, energy-concerving and environment-protective in the water tank is flowed back to from the back flow to the water source behind the absorbed temperature.

2. The utility model discloses because the equal fixedly connected with fixed steel sheet of piston rod up end of two cylinders, fixedly connected with goes up the mould in the middle of two fixed steel sheet lateral walls in opposite directions, saves the mode that adopts the spring among the prior art, leads to going up the unable closed complete problem of mould and lower mould.

3. The utility model discloses owing to be close to water tank one side distribution at the cooling tube and set up, guarantee better cooling and lead the temperature effect, guarantee to cool off the water source of water tank inner chamber.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of an injection molding mechanism for an injection molding machine according to the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of a lower mold of the injection molding mechanism for an injection molding machine of the present invention;

fig. 3 is the utility model discloses the water tank and the cooler bin hookup location of the mechanism of moulding plastics for injection molding machine overlook the schematic structure.

In the figure: the device comprises a frame 1, a return pipe 2, a lower die 3, an upper die 4, an injection molding head 5, a support frame 6, a die cavity 7, a fixed steel plate 8, a piston rod 9, a cylinder 10, a liquid conveying pipe 11, a cooling box 12, a compressor 13, a cooling pipe 14, a liquid extracting pipe 15, a liquid extracting pump 16, a water tank 17, a cooling cavity 18 and a one-way valve 19.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the injection molding mechanism for the injection molding machine comprises a rack 1, wherein a lower die 3 is fixedly connected to the middle position of the top of the rack 1, cylinders 10 are vertically and upwards fixedly installed at the middle positions of the top of the rack 1 positioned on the left side and the right side of the lower die 3, fixed steel plates 8 are fixedly connected to the upper end surfaces of piston rods 9 of the two cylinders 10, and an upper die 4 is fixedly connected to the middle of one side wall of each of the two opposite fixed steel plates 8, so that the problem that the upper die 4 and the lower die 3 cannot be completely closed due to the adoption of a;

a support frame 6 is vertically and fixedly connected to the middle position of the top of the upper die 4, and an injection molding head 5 is vertically and downwardly fixedly connected to the middle part of the support frame 6; a water tank 17 is fixedly arranged on the inner side of the bottom of the rack 1, a cooling tank 12 is fixedly arranged on the right side wall of the water tank 17, and a cooling pipe 14 is fixedly arranged in the cooling tank 12; a compressor 13 is fixedly arranged on the inner side of the frame 1 positioned on the right side of the water tank 17, and a cooling delivery port of the compressor 13 is fixedly communicated with a cooling pipe 14;

the right side of water tank 17 top is fixed with drawing liquid pump 16, drawing liquid pipe 15 of drawing liquid pump 16 is fixed to run through in water tank 17 inner chamber bottom, cooling chamber 18 has been seted up to 3 inner chambers of lower mould, 11 tail ends of transfer line and the fixed intercommunication in cooling chamber 18 bottom right side of drawing liquid pump 16, the fixed intercommunication in 2 head ends of water tank 17 top and back flow, and 2 tail ends of back flow and the fixed intercommunication of lower mould 3 on the upper portion of cooling chamber 18 left side, 16 work of drawing liquid pump is being moulded plastics in-process and is carrying the cooling chamber 18 of lower mould 3 with the water in the water tank 17 through conveyer pipe 11 in, reach high-efficient cooling effect, and along with the continuous injection in the water source in the cooling chamber 18, water source behind the absorbed.

In this embodiment, fixed steel sheet 8 is the type of falling L, and fixed steel sheet 8 and last mould 4 be through the bolt fastening, make things convenient for the later stage to demolish to change and go up mould 4.

In this embodiment, the lower end of the injection head 5 is hermetically communicated with the inner wall of the mold cavity 7 of the upper mold 4.

In this embodiment, the cooling box 12 is made of a stainless steel plate with a thickness of 3mm in a sealed manner, so that a sufficient heat conduction effect is ensured.

In this embodiment, the rear end of the infusion tube 11 is fixedly and communicatively provided with a check valve 19 to prevent the water source conveyed from the infusion tube 11 to the cooling cavity 18 of the lower mold 3 from flowing back.

In this embodiment, cooling tube 14 is close to water tank 17 one side and distributes the setting, guarantees the better cooling and leads the warm effect, guarantees to cool off the water source of water tank 17 inner chamber.

When the mechanism of moulding plastics uses for the injection molding machine, need explain, the utility model discloses a mechanism of moulding plastics for injection molding machine, including frame 1, back flow 2, lower mould 3, go up mould 4, the head of moulding plastics 5, support frame 6, die cavity 7, fixed steel sheet 8, piston rod 9, cylinder 10, transfer line 11, cooler bin 12, compressor 13, cooling tube 14, liquid suction pipe 15, liquid suction pump 16, water tank 17, cooling chamber 18, check valve 19, the part is the part that general standard spare or technical personnel in the field know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel.

When in use, the right side of the top of the water tank 17 is fixedly provided with the liquid pump 16, the liquid pumping pipe 15 of the liquid pump 16 is fixedly penetrated at the bottom of the inner cavity of the water tank 17, the inner cavity of the lower die 3 is provided with the cooling cavity 18, the tail end of the liquid conveying pipe 11 of the liquid pump 16 is fixedly communicated with the right side of the bottom of the cooling cavity 18, the left side of the top of the water tank 17 is fixedly communicated with the head end of the return pipe 2, the tail end of the return pipe 2 is, during the injection molding process, the liquid pump 16 works to convey cold water in the water tank 17 into the cooling cavity 18 of the lower die 3 through the conveying pipe 11, so as to achieve the high-efficiency cooling effect, and along with the water source in the cooling cavity 18 is injected continuously, the water source after absorbing the temperature flows back to the water tank 17 from the return pipe 2 and is matched with the cooling pipe 1 in the cooling tank 12 by the compressor 13 to refrigerate the cooling tank 12, so that the hot water in the water tank 17 is cooled and recycled.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Injection molding machine constructs with moulding plastics, including frame (1), its characterized in that: the middle position of the top of the rack (1) is fixedly connected with a lower die (3), the middle positions of the tops of the rack (1) positioned on the left side and the right side of the lower die (3) are vertically and upwards fixedly provided with cylinders (10), the upper end surfaces of piston rods (9) of the two cylinders (10) are fixedly connected with fixed steel plates (8), and the middle of one opposite side wall of the two fixed steel plates (8) is fixedly connected with an upper die (4);

a support frame (6) is vertically and fixedly connected to the middle position of the top of the upper die (4), and an injection molding head (5) is vertically and downwardly fixedly connected to the middle part of the support frame (6); a water tank (17) is fixedly arranged on the inner side of the bottom of the rack (1), a cooling tank (12) is fixedly arranged on the right side wall of the water tank (17), and a cooling pipe (14) is fixedly arranged in the cooling tank (12); a compressor (13) is fixedly installed on the inner side of the rack (1) positioned on the right side of the water tank (17), and a cooling delivery port of the compressor (13) is fixedly communicated with a cooling pipe (14);

water tank (17) top right side is fixed with drawing liquid pump (16), and drawing liquid pipe (15) of drawing liquid pump (16) are fixed to be run through in water tank (17) inner chamber bottom, cooling chamber (18) have been seted up to lower mould (3) inner chamber, and infusion pipe (11) tail end and the fixed intercommunication in cooling chamber (18) bottom right side of drawing liquid pump (16), the fixed intercommunication in water tank (17) top left side and back flow (2) head end, and back flow (2) tail end and the fixed intercommunication in lower mould (3) on cooling chamber (18) left side upper portion.

2. The injection mechanism of claim 1, further comprising: the fixed steel plate (8) is of an inverted L shape, and the fixed steel plate (8) and the upper die (4) are fixed through bolts.

3. The injection mechanism of claim 1, further comprising: the lower end of the injection molding head (5) penetrates through the inner wall of the mold cavity (7) of the upper mold (4) in a sealing mode.

4. The injection mechanism of claim 1, further comprising: the cooling box (12) is made of a stainless steel plate with the thickness of 3mm in a sealed mode.

5. The injection mechanism of claim 1, further comprising: the tail end of the infusion tube (11) is fixedly communicated with a one-way valve (19).

6. The injection mechanism of claim 1, further comprising: the cooling pipes (14) are distributed on one side close to the water tank (17).