CN217621832U

CN217621832U - Be used for double-colored injection moulding device of core rotation type

Info

Publication number: CN217621832U
Application number: CN202221371725.8U
Authority: CN
Inventors: 吕坚信; 庞坚伟
Original assignee: Zhejiang Tuofu Plastic Industry Co ltd
Current assignee: Zhejiang Tuofu Plastic Industry Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-10-21
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a be used for double-colored device of moulding plastics of core rotation type, including the case of moulding plastics, the left side and the right side of the case of moulding plastics are fixed mounting respectively have switch board and a purification section of thick bamboo, the top of a purification section of thick bamboo is equipped with the air-out mesh, the bottom of a purification section of thick bamboo is equipped with the air exhauster, and the bottom intercommunication of air exhauster has the exhaust column, the other end of exhaust column and the right side bottom intercommunication of the case of moulding plastics, the middle part fixed mounting of the incasement roof of moulding plastics has the pneumatic cylinder, and the output fixed mounting of pneumatic cylinder has the mould, the inside of going up the mould is equipped with first upper die cavity and second upper die cavity, the upper surface intercommunication of going up the mould has first former feed pipe and second former feed pipe, and the top of first former feed pipe and second former feed pipe runs through the outside that extends to the case of moulding plastics, the front and back end of the case upper surface of moulding plastics all is equipped with the air inlet mesh, the middle part of the interior diapire of the case of moulding plastics is with the side of controlling and the side is fixed mounting respectively has rotating electrical machines and electric putter. The utility model discloses a solve double-colored injection moulding inefficiency, polluted environment's problem.

Description

Be used for double-colored injection moulding device of core rotation type

Technical Field

The utility model relates to a core preparation field specifically is a be used for double-colored injection moulding device of core rotation type.

Background

The core is commonly called as 'sand core' or 'core', is used for forming the internal structure of a casting during casting, is usually made of core sand prepared from raw sand and a binder (water glass, resin and the like) by hand or machine (such as a core blowing machine, a core shooting machine and the like) in a core box, is mostly formed by injection molding at present, and is also formed by double-color injection molding in some cases, and has the patent number: 202121205494.9 discloses a technical scheme of a two-color injection molding machine, which has the problems of low molding efficiency and serious pollution in the molding process, and greatly influences the health of workers.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a be used for double-colored device of moulding plastics of core rotation type has solved the shaping inefficiency, has the problem of polluted environment in the shaping.

In order to achieve the above object, the utility model provides a following technical scheme:

a control cabinet and a purification cylinder are respectively and fixedly mounted on the left side and the right side of the injection molding box, air outlet meshes are formed in the top of the purification cylinder, an exhaust fan is arranged at the bottom of the purification cylinder, an exhaust pipe is communicated with the bottom of the exhaust fan, the other end of the exhaust pipe is communicated with the bottom of the right side of the injection molding box, a hydraulic cylinder is fixedly mounted in the middle of the inner top wall of the injection molding box, an upper mold is fixedly mounted at the output end of the hydraulic cylinder, a first upper mold groove and a second upper mold groove are formed in the upper mold, a first raw material pipe and a second raw material pipe are communicated with the upper surface of the upper mold, the tops of the first raw material pipe and the second raw material pipe penetrate through and extend to the outside of the injection molding box, and air inlet meshes are formed in the front end and the rear end of the upper surface of the injection molding box; the middle part of the interior diapire of the case of moulding plastics is with controlling the side and respectively fixed mounting have rotating electrical machines and electric putter, and the top fixed mounting of rotating electrical machines output has the bed die, and the inside of bed die is equipped with first die cavity and second die cavity down, and the inside of first die cavity and second die cavity all is equipped with swing joint's first liftout board and second liftout board.

Preferably, the front of the injection molding box is rotatably connected with a box door through a hinge, a sealing gasket is arranged at the joint of the box door and the injection molding box, and an observation window is arranged on the front of the box door.

Preferably, the adsorbing material in the purifying cylinder is activated carbon.

Preferably, the first raw material pipe and the second raw material pipe are both provided with control valves, and the first raw material pipe and the second raw material pipe are telescopic hoses.

Preferably, the first upper die cavity is matched with the first lower die cavity, the second upper die cavity is matched with the second lower die cavity, and the specification and the size of the first upper die cavity are consistent with those of the second upper die cavity.

Preferably, the first ejector plate is matched with the inner size of the first lower die cavity, and the second ejector plate is matched with the inner size of the second lower die cavity.

Preferably, two bilaterally symmetrical limiting blocks for preventing the first ejector plate and the second ejector plate from falling off are arranged in the first lower die cavity and the second lower die cavity respectively.

Preferably, the vertical movement stroke of the output ends of the two electric push rods is fifteen centimeters.

The working principle is as follows: during working of the embodiment, during injection molding, the hydraulic cylinder is started, the output end of the hydraulic cylinder moves downwards to drive the upper mold to move downwards and finally to be attached to the lower mold, then molten pigment is injected into a space formed by a first upper mold groove and a first lower mold groove of the lower mold in the upper mold and a space formed by a second upper mold groove and a second lower mold groove of the lower mold through the first raw material pipe and the second raw material pipe, valves on the first raw material pipe and the second raw material pipe are closed, after cooling, the hydraulic cylinder is started to reset, then the upper mold is separated from the lower mold, two electric push rods are started again to drive a first ejector plate and a second ejector plate to move upwards, a molded first pigment core and a molded second pigment core are pushed out and demolded, meanwhile, the exhaust cylinder works while injection molding, the exhaust cylinder is matched with an exhaust pipe, an air inlet mesh hole and an air outlet mesh hole, pigment particles containing irritation and pollution are pumped into a purification cylinder, the pigment particles are finally discharged outside after adsorption of activated carbon, the molding box door is opened, the molded core is taken out, the output end of the rotary motor is rotated, the actual half mold is rotated, the lower mold is continuously, and the lower mold is closed, and the whole lower mold can be manufactured, and the lower mold can be manufactured in a cycle molding cycle after the second lower mold is completed.

Has the advantages that: 1. through the cooperation between the air exhauster that sets up, exhaust column, air inlet mesh, purification section of thick bamboo and the air-out mesh, can adsorb the irritability that produces in moulding plastics and the pigment gas granule of polluting and handle, then improve healthy factor of safety, then avoid direct discharge polluted environment two times. 2. Through the cooperation between the rotating electrical machines that set up, bed die, last mould and first former tubular and the second former tubular, realize the crisscross shaping preparation of rotation type, improve shaping efficiency. 3. Through the cooperation between the electric putter, first liftout plate and the second liftout plate that set up, can be in time quick release the product after the shaping and realize the drawing of patterns.

Drawings

Fig. 1 is a schematic view of the main body of the present invention;

FIG. 2 is a cross-sectional view of the injection molding box of the present invention;

fig. 3 is a bottom view of the upper mold of the present invention.

Reference numerals are as follows: 1. the injection molding machine comprises an injection molding box 2, a control cabinet 3, a purification cylinder 4, an air outlet mesh opening 5, an exhaust fan 6, an exhaust pipe 7, a hydraulic cylinder 8, an upper mold 9, a first upper mold groove 10, a second upper mold groove 11, a first raw material pipe 12, a second raw material pipe 13, an air inlet mesh opening 14, a rotating motor 15, an electric push rod 16, a lower mold 17, a first lower mold groove 18, a second lower mold groove 19, a first ejector plate 20, a second ejector plate 21 and a box door.

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 efforts all belong to the protection scope of the present invention.

Fig. 1-3 are an embodiment of the present invention, a dual-color injection molding device for core rotation, including an injection molding box 1, a control cabinet 2 and a purification cylinder 3 are respectively and fixedly installed on the left side and the right side of the injection molding box 1, an adsorbing material inside the purification cylinder 3 is activated carbon, absorption treatment of gaseous pollutants of a molten raw material is improved, the top of the purification cylinder 3 is provided with an air outlet mesh 4, the bottom of the purification cylinder 3 is provided with an exhaust fan 5, the bottom of the exhaust fan 5 is communicated with an exhaust pipe 6, the other end of the exhaust pipe 6 is communicated with the bottom of the right side of the injection molding box 1, a hydraulic cylinder 7 is fixedly installed in the middle of the top wall in the injection molding box 1, an upper mold 8 is fixedly installed at the output end of the hydraulic cylinder 7, a first upper mold cavity 9 and a second upper mold cavity 10 are installed inside the upper mold 8, the upper surface of the upper mold 8 is communicated with a first raw material pipe 11 and a second raw material pipe 12, the first raw material pipe 11 and the second raw material pipe 12 are both provided with control valves, and the first raw material pipe 11 and the second raw material pipe 12 are telescopic hoses, and the first raw material pipe 11 and the second raw material pipe 12 extend through the outer surfaces of the injection molding box 1 and the front and back of the injection molding box 1 and the front and back of the injection molding box are provided with mesh 13;

the middle part and the left and right sides of the inner bottom wall of the injection molding box 1 are respectively and fixedly provided with a rotary motor 14 and an electric push rod 15, the rotary motor 14 is used for flexibly and accurately rotating a lower mold 16, the vertical moving strokes of the output ends of the two electric push rods 15 are fifteen centimeters, the top of the output end of the rotary motor 14 is fixedly provided with the lower mold 16, the lower mold 16 is internally provided with a first lower mold 17 and a second lower mold 18, the first upper mold 9 is matched with the first lower mold 17, the second upper mold 10 is matched with the second lower mold 18, the first upper mold 9 is consistent with the second upper mold 10 in specification and size, the first lower mold 17 is internally provided with a first ejector plate 19 and a second ejector plate 20 which are movably connected, the first ejector plate 19 is matched with the first lower mold 17 in internal size, the second ejector plate 20 is matched with the second lower mold 18 in internal size, the first lower mold 17 and the second lower mold 18 are respectively provided with a first ejector plate 19 and a second ejector plate 18, the first ejector plate 19 is connected with a second lower mold box door 21, and a box door 21 is connected with a left and right side injection molding box door, and a hinge connecting part of the injection molding box, and a box door 21.

Claims

1. The utility model provides a be used for core rotation type double-shot moulding device, includes the case of moulding plastics, its characterized in that: the left side and the right side of the injection molding box are respectively and fixedly provided with a control cabinet and a purification cylinder, the top of the purification cylinder is provided with air outlet meshes, the bottom of the purification cylinder is provided with an exhaust fan, the bottom of the exhaust fan is communicated with an exhaust pipe, the other end of the exhaust pipe is communicated with the bottom of the right side of the injection molding box, the middle part of the top wall in the injection molding box is fixedly provided with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly provided with an upper mold, the inner part of the upper mold is provided with a first upper mold groove and a second upper mold groove, the upper surface of the upper mold is communicated with a first raw material pipe and a second raw material pipe, the tops of the first raw material pipe and the second raw material pipe penetrate and extend to the outer part of the injection molding box, and the front end and the rear end of the upper surface of the injection molding box are provided with air inlet meshes; the middle part of the interior diapire of case of moulding plastics is with controlling the side respectively fixed mounting have rotating electrical machines and electric putter, and the top fixed mounting of rotating electrical machines output has the bed die, and the inside of bed die is equipped with first die cavity and second die cavity down, and the inside of first die cavity and second die cavity all is equipped with swing joint's first kicking plate and second kicking plate.

2. The apparatus of claim 1, wherein: the front of the injection molding box is rotatably connected with a box door through a hinge, a sealing gasket is arranged at the joint of the box door and the injection molding box, and an observation window is arranged on the front of the box door.

3. The apparatus of claim 1 for core-rotating two-shot molding, wherein: the adsorbing material in the purifying cylinder is active carbon.

4. The apparatus of claim 1, wherein: all be equipped with the control valve on first former raw materials pipe and the second former raw materials pipe, and first former raw materials pipe and second former raw materials pipe are the telescopic hose.

5. The apparatus of claim 1, wherein: the first upper die cavity is matched with the first lower die cavity, the second upper die cavity is matched with the second lower die cavity, and the first upper die cavity and the second upper die cavity are consistent in specification and size.

6. The apparatus of claim 1, wherein: the first ejector plate is matched with the inner size of the first lower die cavity, and the second ejector plate is matched with the inner size of the second lower die cavity.

7. The apparatus of claim 1, wherein: and two bilaterally symmetrical limiting blocks for preventing the first ejector plate and the second ejector plate from falling off are respectively arranged in the first lower die cavity and the second lower die cavity.

8. The apparatus of claim 1, wherein: and the vertical moving strokes of the output ends of the two electric push rods are fifteen centimeters.