CN212266487U

CN212266487U - Automatic change injection mold molding machine

Info

Publication number: CN212266487U
Application number: CN201921703589.6U
Authority: CN
Inventors: 李慧生
Original assignee: Jiaguan Plastic Products Co ltd Zhuhai Economic Zone
Current assignee: Jiaguan Plastic Products Co ltd Zhuhai Economic Zone
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2021-01-01
Anticipated expiration: 2029-10-11

Abstract

The utility model provides an automatic injection molding model forming machine, which comprises a machine case; the case is hinged with a cover plate; an upper die mechanism; the upper die mechanism comprises a first rotary table, a second rotary table, a first cylinder, a second cylinder, a first upper die and a second upper die; the first cylinder and the second cylinder are respectively fixed on the first turntable and the second turntable, and the lower die mechanism comprises a third cylinder, a fourth cylinder, a motor, a supporting plate, a first connecting shaft, a second connecting shaft, a first lower die and a second lower die; the first connecting shaft and the second connecting shaft are respectively pivoted with the supporting plate, and a first gear and a second gear are sleeved on the first connecting shaft and the second connecting shaft; the power output end of the motor is fixed with a rotating shaft, a third gear is arranged on the rotating shaft sleeve, and the first lower die and the second lower die are detachably fixed with the first connecting shaft and the second connecting shaft respectively. The utility model discloses simple to operate compresses tightly automatically, can guarantee that the inside material of mould distributes evenly.

Description

Automatic change injection mold molding machine

Technical Field

The utility model relates to a plastic processing technology field especially relates to an automatic change injection mold shaping machine.

Background

At present, plastic injection molding objects need a certain pressure between a mold and injection molding plastic in a molding process to ensure the thickness of injection molding parts, the existing injection molding machine mainly adopts a pressure device to apply pressure, the control pressure is inaccurate, the application of force is not uniform, the thickness uniformity of plastic models cannot be ensured, the mold installation is troublesome one by one, and the installation is inconvenient. Furthermore, the interior tends to be uneven, resulting in unacceptable quality of the plastic.

Disclosure of Invention

The shortcoming to prior art, the utility model aims at providing an automatic change model forming machine that moulds plastics, its simple to operate compresses tightly automatically, can guarantee that the inside material of mould distributes evenly.

In order to achieve the above object, the utility model provides an automatic change injection mold molding machine, include:

a chassis; the case is a box body with an opening at the top; the top of the case is hinged with a cover plate;

an upper die mechanism; the upper die mechanism comprises a first rotary table, a second rotary table, a first air cylinder, a second air cylinder, a first upper die and a second upper die; the first rotating disc and the second rotating disc are respectively fixed on the lower surface of the cover plate, and the first rotating disc is positioned on the left side of the second rotating disc; the first cylinder and the second cylinder are respectively fixed on the first turntable and the second turntable, and the first upper die and the second upper die are respectively fixed on telescopic shafts of the first cylinder and the second cylinder;

a lower die mechanism; the lower die mechanism comprises a third cylinder, a fourth cylinder, a motor, a supporting plate, a first connecting shaft, a second connecting shaft, a first lower die and a second lower die; the third cylinder and the fourth cylinder are respectively fixed on the inner bottom wall of the case, and the motor is fixed on the right side wall of the supporting plate through a fixing frame; the telescopic shaft of the third cylinder and the telescopic shaft of the fourth cylinder are respectively and fixedly connected with the inner bottom wall of the supporting plate, the first connecting shaft and the second connecting shaft are respectively and vertically pivoted with the upper surface of the supporting plate, and the first connecting shaft and the second connecting shaft are respectively sleeved with a first gear and a second gear; the first gear and the second gear are mutually meshed, a rotating shaft is fixed at the power output end of the motor, a third gear is arranged on the rotating shaft sleeve, the third gear is mutually meshed with the second gear, and the first lower die and the second lower die are respectively detachably fixed with the first connecting shaft and the second connecting shaft.

Optionally, the molding machine further comprises a positioning frame for limiting the first lower mold and the second lower mold, and the positioning frame is horizontally fixed in the case; the positioning frame is provided with grooves matched with the first lower die and the second lower die in shape and size respectively, and the positioning frame is located between the first lower die and the first gear, between the second gear and between the first lower die and the third gear.

Optionally, the first lower mold is provided with a first connecting groove, the bottom of the second lower mold is provided with a second connecting groove, and the first connecting shaft and the second connecting shaft respectively penetrate through the positioning frame and are filled in the first connecting groove and the second connecting groove.

Optionally, first magnets are fixed to the top of the first connecting groove and the top of the second connecting groove respectively, second magnets are fixed to the upper end of the first connecting shaft and the upper end of the second connecting shaft respectively, and the first magnets and the second magnets attract each other magnetically.

Optionally, a heat dissipation fan is embedded in the left side wall of the chassis.

Optionally, a screen is embedded in the right side wall of the case, and the screen penetrates through the right side wall of the case.

The utility model discloses be provided with the articulated apron, first last mould, mould and first bed die on the second, the second bed die corresponds the setting, through first cylinder, the second cylinder drives first last mould, the mould descends that rises on the second, the third cylinder, the fourth cylinder drives first bed die, the second bed die descends that rises, thereby it compresses tightly to guarantee to mould the piece, rotation axis on the motor is respectively through third gear belt, mesh transmission realizes first bed die between second gear and the first gear, the second bed die rotates simultaneously, thereby make the distribution of inside material even.

Third cylinder, fourth cylinder accessible telescopic shaft make first bed die, second bed die jack-up to convenient the dismantlement is moved, thereby is provided with radiator fan and can cools off.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the structure of an automatic injection molding machine according to embodiment 1;

FIG. 2 is another schematic view of the automatic injection molding machine according to embodiment 1;

FIG. 3 is an enlarged partial schematic view of the automatic injection molding machine according to embodiment 1;

FIG. 4 is another enlarged partial schematic view of the automated injection molding machine of embodiment 1;

fig. 5 is an external structural view of the automated injection molding machine according to embodiment 1.

In the figure:

1. a chassis; 11. a cover plate; 2. an upper die mechanism; 21. a first turntable; 22. a second turntable; 23. A first cylinder; 24. a second cylinder; 25. a first upper mold; 26. a second upper mold; 3. a lower die mechanism; 31. a third cylinder; 32. a fourth cylinder; 33. a motor; 34. a support plate; 35. a first connecting shaft; 36. a second connecting shaft; 37. a first lower mold; 371. a first connecting groove; 372. a first magnet; 38. a second lower mold; 381. a second connecting groove; 382. a second magnet; 4. a first gear; 5. a second gear; 6. a third gear; 7. a positioning frame; 8. a heat radiation fan; 9. a mesh plate.

Detailed Description

Example 1

The present embodiment provides an automated injection molding machine, as shown in fig. 1-5, comprising: a chassis 1; the case 1 is a box body with an opening at the top; the top of the case 1 is hinged with a cover plate 11; an upper die mechanism 2; the upper die mechanism 2 comprises a first rotary table 21, a second rotary table 22, a first air cylinder 23, a second air cylinder 24, a first upper die 25 and a second upper die 26; the first rotating disc 21 and the second rotating disc 22 are respectively fixed on the lower surface of the cover plate 11, and the first rotating disc 21 is positioned on the left side of the second rotating disc 22; the first cylinder 23 and the second cylinder 24 are respectively fixed on the first turntable 21 and the second turntable 22, and the first upper die 25 and the second upper die 26 are respectively fixed on telescopic shafts of the first cylinder 23 and the second cylinder 24; a lower die mechanism 3; the lower die mechanism 3 comprises a third cylinder 31, a fourth cylinder 32, a motor 33, a support plate 34, a first connecting shaft 35, a second connecting shaft 36, a first lower die 37 and a second lower die 38; the third cylinder 31 and the fourth cylinder 32 are respectively fixed on the inner bottom wall of the case 1, and the motor 33 is fixed on the right side wall of the support plate 34 through a fixing frame; the telescopic shaft of the third cylinder 31 and the telescopic shaft of the fourth cylinder 32 are respectively fixedly connected with the inner bottom wall of the supporting plate 34, the first connecting shaft 35 and the second connecting shaft 36 are respectively vertically pivoted with the upper surface of the supporting plate 34, and the first gear 4 and the second gear 5 are respectively sleeved on the first connecting shaft 35 and the second connecting shaft 36; the first gear 4 and the second gear 5 are mutually meshed, a power output end of the motor 33 is fixed with a rotating shaft 331, the rotating shaft 331 is sleeved with a third gear 6, the third gear 6 and the second gear 5 are mutually meshed, and the first lower die 37 and the second lower die 38 are detachably fixed with the first connecting shaft 35 and the second connecting shaft 36 respectively.

During operation, the hinged cover plate 11 is closed, the telescopic shaft of the first cylinder 23 and the telescopic shaft of the second cylinder 24 respectively drive the first upper die 25 and the second upper die 26 to press against the first lower die 37 and the second lower die 38, the support plate 34 is fixed with the motor 33, the telescopic shaft of the third cylinder 31 and the telescopic shaft of the fourth cylinder 32 drive the motor 33, the first lower die 37 and the second lower die 38 to ascend through the support plate 34, so that the first lower die 37 and the second lower die 38 are further pressed against the first upper die 25 and the second upper die 26, and the first lower die 37 and the first upper die 25, the second lower die 38 and the second upper die 26 are filled with plastic in a molten state. The first turntable 21 and the second turntable 22 can respectively enable the first upper die 25 and the second upper die 26 to rotate, the power output end of the motor 33 is in meshing transmission with the second gear 5 through the third gear 6 by starting the motor 33 to drive the second lower die 38 pivoted on the second connecting shaft 36 on the supporting plate 34 to rotate, and the second upper die 26 and the second lower die 38 rotate simultaneously, so that plastics in the second upper die 26 and the second lower die 38 are uniformly distributed; at this time, the second gear 5 and the first gear 4 are in meshing transmission, and the first connecting shaft 35 drives the first lower mold 37 and the first upper mold 25 to rotate simultaneously, so that plastics in the first lower mold 37 and the first upper mold 25 are uniformly distributed. Set up first gear 4, second gear 5, third gear 6 intermeshing and make the plastics evenly distributed in two moulds, have the frame between first lower mould 37 and first gear 5, second lower mould 38 and the second gear 5 in figure 1, first connecting axle 35, second connecting axle 36 all pass the frame, the telescopic shaft of third cylinder 31, the telescopic shaft of fourth cylinder 32 all can jack-up first lower mould 37, second lower mould 38 to conveniently remove first lower mould 37, second lower mould 38. As shown in figure 5, the outside is hinged with a high temperature resistant glass door, which is convenient for operation. The above-mentioned fixed connection may be a welded connection, unless otherwise specified.

Optionally, the positioning device further comprises a positioning frame 7 for limiting the first lower mold 37 and the second lower mold 38, and the positioning frame 7 is horizontally fixed in the case 1; the positioning frame 7 is respectively provided with a groove 71 which is matched with the shapes and sizes of the first lower die 37 and the second lower die 38, and the positioning frame 7 is positioned between the first lower die 37 and the first gear 4, the second gear 5 and the third gear 6. Set up locating rack 7 and carry on spacingly to first bed die 37, second bed die 38, avoid squinting under the pivoted condition, guarantee the precision of processing.

Optionally, the first lower mold 37 has a first connecting groove 371, the bottom of the second lower mold 38 has a second connecting groove 381, and the first connecting shaft 35 and the second connecting shaft 36 respectively penetrate through the positioning frame 7 and are filled in the first connecting groove 371 and the second connecting groove 381.

Optionally, a first magnet 372 is fixed to the top of the first connection groove 371 and the top of the second connection groove 381, a second magnet 382 is fixed to the upper end of the first connection shaft 35 and the upper end of the second connection shaft 36, and the first magnet 372 and the second magnet 382 are magnetically attracted to each other. The first magnet 372 and the second magnet 382 are magnetically attracted, so that the first connecting shaft 35 and the second connecting shaft 36 can be detachably fixed with the first lower die 37 and the second lower die 38, and the connection stability is improved.

Optionally, a heat dissipation fan 8 is embedded in the left side wall of the chassis 1. And the cooling fan 8 is arranged to realize air cooling of the plastic part.

Optionally, the screen 9 is embedded in the right side wall of the chassis 1, and the screen 9 penetrates through the right side wall of the chassis 1. The net plate 9 is arranged to facilitate heat dissipation from the inside of the case 1.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

Claims

1. An automated injection molding machine comprising:

a lower die mechanism; the lower die mechanism comprises a third cylinder, a fourth cylinder, a motor, a supporting plate, a first connecting shaft, a second connecting shaft, a first lower die and a second lower die; the third cylinder and the fourth cylinder are respectively fixed on the inner bottom wall of the case, the motor is fixed on the right side wall of the supporting plate through a fixing frame, a telescopic shaft of the third cylinder and a telescopic shaft of the fourth cylinder are respectively and fixedly connected with the inner bottom wall of the supporting plate, the first connecting shaft and the second connecting shaft are respectively vertically pivoted with the upper surface of the supporting plate, and a first gear and a second gear are respectively sleeved on the first connecting shaft and the second connecting shaft; the first gear and the second gear are mutually meshed, a rotating shaft is fixed at the power output end of the motor, a third gear is arranged on the rotating shaft sleeve, the third gear is mutually meshed with the second gear, and the first lower die and the second lower die are respectively detachably fixed with the first connecting shaft and the second connecting shaft.

2. The automated injection molding machine of claim 1 further comprising a positioning frame for positioning said first lower mold and said second lower mold, said positioning frame being horizontally fixed within said housing; the positioning frame is provided with grooves matched with the first lower die and the second lower die in shape and size respectively, and the positioning frame is located between the first lower die and the first gear, between the second gear and between the first lower die and the third gear.

3. The automatic molding machine of claim 2, wherein the first bottom mold has a first connecting groove and the second bottom mold has a second connecting groove, and the first connecting shaft and the second connecting shaft respectively penetrate through the positioning frame and fill the first connecting groove and the second connecting groove.

4. The automated injection molding machine of claim 3, wherein a first magnet is fixed to a top of the first connecting groove and a top of the second connecting groove, respectively, and a second magnet is fixed to an upper end of the first connecting shaft and an upper end of the second connecting shaft, respectively, and the first magnet and the second magnet are magnetically attracted to each other.

5. The automated injection molding machine of claim 1 wherein a heat sink fan is embedded in a left side wall of said housing.

6. The automated injection molding machine of claim 1 wherein a mesh panel is embedded in a right side wall of the housing, the mesh panel extending through the right side wall of the housing.