CN217704565U - Injection mechanism of injection molding machine - Google Patents
Injection mechanism of injection molding machine Download PDFInfo
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- CN217704565U CN217704565U CN202222053612.XU CN202222053612U CN217704565U CN 217704565 U CN217704565 U CN 217704565U CN 202222053612 U CN202222053612 U CN 202222053612U CN 217704565 U CN217704565 U CN 217704565U
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Abstract
The utility model discloses an injection molding machine injection mechanism, belong to injection molding machine technical field, including workstation and plasticizing device, the plasticizing device includes first shell body and locates the inside first interior casing of first shell body, the workstation upper end is equipped with the injection subassembly, workstation upper end one side is equipped with the compound die subassembly, shrink through the electric propulsion jar and drive first piston plate motion, in sucking molten state's liquid to the second interior casing, extrude the hot-air in the second interior casing to the heat-preserving container in simultaneously, then the electric propulsion jar stretches out and drives first piston plate motion, make the interior molten state's of second interior casing liquid inject away from the fluid-discharge tube, the steam extrusion of second piston plate motion in with the heat-preserving container simultaneously advances in the annular cavity, and in fifth pipeline backward flow to the second interior casing, the electric propulsion jar shrink once more makes the air of the heat-preserving container interior opposite side extrude the annular cavity through the condenser in, accelerate the cooling effect, cool off slower influence work efficiency when avoiding the drawing of patterns.
Description
Technical Field
The utility model relates to an injection molding machine technical field especially relates to injection molding machine injection mechanism.
Background
The injection molding machine is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die, an injection mechanism of the injection molding machine consists of a plasticizing device and a power transmission device, plastic particles are plasticized by using a screw rod, and then the screw rod is pushed to directly inject liquid in a molten state into a die cavity of a die closing device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the above-mentioned technical problems, an injection mechanism of an injection molding machine is proposed.
In order to realize the purpose, the utility model adopts the following technical scheme:
the injection mechanism of the injection molding machine comprises a workbench and a plasticizing device, wherein the plasticizing device comprises a first outer shell and a first inner shell arranged in the first outer shell, four supporting legs are arranged at the lower end of the first outer shell, the lower ends of the four supporting legs are fixedly connected with the upper end of the workbench, an injection assembly is arranged at the upper end of the workbench, and a die assembly is arranged on one side of the upper end of the workbench;
the injection assembly comprises a second outer shell, a second inner shell arranged inside the second outer shell and a supporting plate arranged on one side of the upper end of the workbench, wherein a first electromagnetic coil is wound on the outer wall of the second inner shell, a first piston plate is arranged inside the second inner shell in a sliding mode, a heat-insulating barrel is arranged on one side, close to the supporting plate, of the second outer shell, an electric pushing cylinder is arranged on one side, close to the heat-insulating barrel, of the supporting plate, the output end of the electric pushing cylinder is provided with a movable rod, one end of the movable rod movably penetrates into the heat-insulating barrel and is provided with a second piston plate, one side of the second piston plate is provided with a connecting rod, one end of the connecting rod movably penetrates into the second inner shell and is fixedly connected with one side of the first piston plate, a first check valve communicated with the inside of the heat-insulating barrel is arranged in the middle of one end of the second outer shell, the output end of the first check valve is communicated with the inside of the heat-insulating barrel, and a discharge pipe is arranged at the other end of the second outer shell.
As a further description of the above technical solution:
the compound die subassembly is including locating the cover half of arranging the material pipe output and the slider of slide locating the workstation upper end, the slider upper end is equipped with the mounting panel, mounting panel one side is equipped with the movable mould with cover half matched with, workstation upper end one side is equipped with the installation piece, installation piece one side is equipped with the electric telescopic handle with slider matched with, the cover half middle part is seted up and is arranged material pipe matched with opening, the toroidal cavity has been seted up at the cover half middle part.
As a further description of the above technical solution:
the heat-insulation barrel is characterized in that an air inlet pipe is arranged on one side of the upper end of the heat-insulation barrel, a second one-way valve is arranged inside the air inlet pipe, the output end of the second one-way valve is communicated with the interior of the heat-insulation barrel, a condenser is arranged on the upper end of the workbench, the input end of the condenser is communicated with the interior of the heat-insulation barrel through a first pipeline, a third one-way valve is arranged inside the first pipeline, the input end of the third one-way valve is communicated with the interior of the heat-insulation barrel, the output end of the condenser is communicated with the interior of the annular cavity through a second pipeline, a third pipeline communicated with the interior of the heat-insulation barrel is arranged at the upper end of the second pipeline, a fourth one-way valve is arranged at the upper end of one side of the second outer shell, a fifth one-way valve is arranged inside the fourth pipeline, the output end of the fifth one-way valve is communicated with the interior of the second inner shell, a fifth pipeline is arranged at the upper end of the fourth pipeline, one-way valve is communicated with the interior of the annular cavity, and the other end of the fifth pipeline is open.
As a further description of the above technical solution:
the inside screw conveyor pole that is equipped with that rotates of first interior casing, first shell body one side is equipped with driving motor, the driving motor output runs through into in the first interior casing and is connected with screw conveyor pole one end, the winding of first interior casing outer wall has second solenoid, first shell body upper end one side is equipped with the feeder hopper, the feeder hopper output is linked together with first interior casing is inside, first shell body lower extreme opposite side is equipped with the discharging pipe, the discharging pipe upper end is linked together with first interior casing is inside, the discharging pipe lower extreme is linked together with second interior casing is inside, the inside contrary subassembly that ends that is equipped with of discharging pipe.
As a further description of the above technical solution:
end contrary subassembly is seted up in the installation cavity at solid fixed ring middle part including the solid fixed ring, the closing plate and the symmetry of locating the discharge tube inner wall, closing plate one side symmetry is equipped with two dead levers, the installation cavity is inside all to slide and is equipped with the stopper, two dead lever one end runs through respectively into the installation cavity and is connected with the stopper, two dead lever middle part cover is equipped with expanding spring, expanding spring one end is connected with the stopper, the expanding spring other end and installation cavity wall connection, the closing plate is close to discharge tube output one side.
As a further description of the above technical solution:
the inside of the discharge pipe is also provided with a check component, and a sealing plate in the check component is close to one side of the output end of the discharge pipe.
As a further description of the above technical solution:
the inner diameter of the heat-preserving barrel is the same as that of the second inner shell.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, through the motion of the first piston plate of electric propulsion jar shrink drive, with molten state's liquid suction to the second inner casing in, simultaneously with the hot-air extrusion in the second inner casing to the heat-preserving container in, then the electric propulsion jar stretches out and drives the motion of first piston plate, make to inject away the liquid of the interior molten state of second inner casing from the fluid-discharge tube, the steam extrusion of second piston plate motion in with the heat-preserving container is gone into annular cavity simultaneously, and in fifth pipeline backward flow to the second inner casing, the injection is accomplished the back electric propulsion jar and is shrunk once more and make to extrude the annular cavity with the air of opposite side in the heat-preserving container in through the condenser, accelerate the cooling effect, the cooling influences work efficiency more slowly when avoiding the drawing of patterns.
Drawings
Fig. 1 is an external view of an injection mechanism of an injection molding machine according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of an injection mechanism of an injection molding machine provided according to an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a point a in fig. 2 according to an embodiment of the present invention.
Illustration of the drawings: 1. a work table; 2. a first outer case; 3. a first inner housing; 4. a second outer housing; 5. a second inner housing; 6. a support plate; 7. a discharge pipe; 8. a first piston plate; 9. a heat-preserving barrel; 10. an electric pushing cylinder; 11. a movable rod; 12. a second piston plate; 13. a condenser; 14. a discharge pipe; 15. fixing a mold; 16. moving the mold; 17. a drive motor; 18. a fixing ring; 19. a sealing plate; 20. fixing the rod; 21. a tension spring; 22. a screw conveying rod.
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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the injection mechanism of the injection molding machine comprises a workbench 1 and a plasticizing device, wherein the plasticizing device comprises a first outer shell 2 and a first inner shell 3 arranged inside the first outer shell 2, four supporting legs are arranged at the lower end of the first outer shell 2, the lower ends of the four supporting legs are fixedly connected with the upper end of the workbench 1, an injection assembly is arranged at the upper end of the workbench 1, and a mold closing assembly is arranged on one side of the upper end of the workbench 1;
the injection assembly comprises a second outer shell 4, a second inner shell 5 arranged inside the second outer shell 4 and a supporting plate 6 arranged on one side of the upper end of the workbench 1, a first electromagnetic coil is wound on the outer wall of the second inner shell 5, a first piston plate 8 is arranged inside the second inner shell 5 in a sliding mode, a heat-preserving container 9 is arranged on one side, close to the supporting plate 6, of the second outer shell 4, an electric pushing cylinder 10 is arranged on one side, close to the heat-preserving container 9, of the supporting plate 6, a movable rod 11 is arranged at the output end of the electric pushing cylinder 10, one end of the movable rod 11 movably penetrates into the heat-preserving container 9 and is provided with a second piston plate 12, the inner diameter of the heat-preserving container 9 is identical to that of the second inner shell 5, the first piston plate 8 and the second piston plate 12 do not interfere with each other in synchronous movement, a connecting rod is arranged on one side of the second piston plate 12, one end of the connecting rod movably penetrates into the second inner shell 5 and is fixedly connected with one side of the first piston plate 8, a first check valve communicated with the inside of the heat-preserving container 9 is arranged in the middle of one end of the second outer shell 4, the first check valve is communicated with the inside of the heat-preserving container 9, and the output end of the second outer shell 4 is provided with a pipe 14.
Further, the compound die subassembly is equipped with the mounting panel including the cover half 15 of arranging the material pipe 14 output and the slider of sliding on locating 1 upper end of workstation, slider upper end, mounting panel one side be equipped with cover half 15 matched with movable mould 16, 1 upper end one side of workstation is equipped with the installation piece, installation piece one side be equipped with slider matched with electric telescopic handle, cover half 15 middle part seted up with arrange material pipe 14 matched with opening, cover half 15 middle part has seted up the toroidal cavity.
Further, an air inlet pipe is arranged on one side of the upper end of the heat-insulating barrel 9, a second one-way valve is arranged inside the air inlet pipe, the output end of the second one-way valve is communicated with the inside of the heat-insulating barrel 9, a condenser 13 is arranged at the upper end of the workbench 1, the input end of the condenser 13 is communicated with the inside of the heat-insulating barrel 9 through a first pipeline, a third one-way valve is arranged inside the first pipeline, the input end of the third one-way valve is communicated with the inside of the heat-insulating barrel 9, the output end of the condenser 13 is communicated with the inside of the annular cavity through a second pipeline, a third pipeline communicated with the inside of the heat-insulating barrel 9 is arranged at the upper end of the second pipeline, a fourth pipeline is arranged at the upper end of one side of the second outer shell 4, a fifth one-way valve is arranged inside the fourth pipeline, the output end of the fifth one-way valve is communicated with the inside of the second inner shell 5, a fifth pipeline is arranged at the upper end of the fourth pipeline, one end of the fifth pipeline is communicated with the inside the annular cavity, and the other end of the fifth pipeline is arranged in an opening mode.
Further, first interior casing 3 inside is rotated and is equipped with auger delivery pole 22, 2 one side of first shell body is equipped with driving motor 17, driving motor 17 output runs through into first interior casing 3 in and is connected with auger delivery pole 22 one end, the winding of first interior casing 3 outer wall has second solenoid, 2 upper end one side of first shell body is equipped with the feeder hopper, the feeder hopper output is linked together with first interior casing 3 is inside, 2 lower extreme opposite sides of first shell body are equipped with discharging pipe 7, discharging pipe 7 upper end is linked together with first interior casing 3 is inside, discharging pipe 7 lower extreme is linked together with second interior casing 5 is inside, 7 inside non return assembly that is equipped with of discharging pipe, non return assembly is including the solid fixed ring 18 of locating discharging pipe 7 inner wall, the installation cavity at solid fixed ring 18 middle part is seted up to closing plate 19 and symmetry, 19 one side symmetry of closing plate is equipped with two dead levers 20, the installation cavity is inside all to slide and is equipped with the stopper, two dead lever 20 one end run through respectively into the installation cavity and is connected with the stopper, two dead lever 20 middle part covers are equipped with expanding spring 21, expanding spring 21 one end and stopper are connected, the stopper is connected to expanding spring 21 one end and stopper, the other end and installing cavity inner wall connection, expanding spring 19 is close to discharging pipe 7 output end one side.
Further, a check assembly is also arranged inside the discharging pipe 14, and a sealing plate 19 in the check assembly is close to one side of the output end of the discharging pipe 14.
The working principle is as follows: when the device is used, a worker firstly adds plastic particles into a plasticizing cavity from a feed hopper, respectively starts the driving motor 17, the first electromagnetic coil and the second electromagnetic coil through an external controller, starts the driving motor 17 to drive the spiral conveying rod 22 to rotate, simultaneously generates heat by the second electromagnetic coil to enable the plastic particles to be in a molten state, starts the electric pushing cylinder 10 to contract after the components are plasticized, drives the first piston plate 8 and the second piston plate 12 to move through the movable rod 11, the first piston plate 8 generates suction force to enable the non-return component in the discharge pipe 7 to be opened, namely drives the sealing plate 19 to move to enable the through opening in the middle of the fixing ring 18 to be opened, further enables the liquid in the molten state to be sucked into the second inner shell 5, and simultaneously extrudes hot air in the second inner shell 5 into the heat-preserving barrel 9 through the movement of the first piston plate 8, after the suction is accomplished, the staff starts electric propulsion jar 10 and stretches out, drive first piston plate 8 and the motion of second piston plate 12 through movable rod 11, first piston plate 8 injects out the liquid of molten state in the second interior casing 5 from fluid-discharge tube 14, the hot-air that second piston plate 12 motion in with heat-preserving container 9 is respectively in injecting into the annular cavity through third pipeline and second pipeline simultaneously, realize the effect of preheating, gaseous backward flow is to the second interior casing 5 through fifth pipeline and fourth pipeline in simultaneously, when drawing of patterns, start electric propulsion jar 10 shrink, make with the air of heat-preserving container 9 interior opposite side extrude into the annular cavity through condenser 13, accelerate the cooling effect, improve drawing of patterns efficiency.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The injection mechanism of the injection molding machine comprises a workbench (1) and a plasticizing device, wherein the plasticizing device comprises a first outer shell (2) and a first inner shell (3) arranged inside the first outer shell (2), four supporting legs are arranged at the lower end of the first outer shell (2), and the lower ends of the four supporting legs are fixedly connected with the upper end of the workbench (1), and is characterized in that an injection assembly is arranged at the upper end of the workbench (1), and a mold closing assembly is arranged on one side of the upper end of the workbench (1);
the injection assembly includes second shell (4), locate second shell (4) inside second interior casing (5) and locate backup pad (6) of workstation (1) upper end one side, the winding of second interior casing (5) outer wall has first solenoid, the inside slip of second interior casing (5) is equipped with first piston plate (8), second shell (4) is close to backup pad (6) one side and is equipped with heat-preserving container (9), backup pad (6) are close to heat-preserving container (9) one side and are equipped with electric propulsion jar (10), electric propulsion jar (10) output is equipped with movable rod (11), movable rod (11) one end activity runs through in heat-preserving container (9) and is equipped with second piston plate (12), second piston plate (12) one side is equipped with the connecting rod, connecting rod one end activity runs through second interior casing (5) and with first piston plate (8) one side fixed connection, second shell (4) one end middle part is equipped with the inside first check valve that is linked together with heat-preserving container (9), first check valve output and the second shell (9) other end is equipped with heat-preserving container (14) other end and is linked together.
2. The injection mechanism of the injection molding machine according to claim 1, wherein the mold closing assembly comprises a fixed mold (15) arranged at the output end of the discharge pipe (14) and a slide block arranged at the upper end of the workbench (1) in a sliding manner, a mounting plate is arranged at the upper end of the slide block, a movable mold (16) matched with the fixed mold (15) is arranged on one side of the mounting plate, a mounting block is arranged on one side of the upper end of the workbench (1), an electric telescopic rod matched with the slide block is arranged on one side of the mounting block, a through hole matched with the discharge pipe (14) is formed in the middle of the fixed mold (15), and an annular cavity is formed in the middle of the fixed mold (15).
3. The injection mechanism of the injection molding machine according to claim 1, wherein an air inlet pipe is arranged on one side of the upper end of the heat-preserving barrel (9), a second one-way valve is arranged in the air inlet pipe, the output end of the second one-way valve is communicated with the interior of the heat-preserving barrel (9), a condenser (13) is arranged on the upper end of the workbench (1), the input end of the condenser (13) is communicated with the interior of the heat-preserving barrel (9) through a first pipeline, a third one-way valve is arranged in the first pipeline, the input end of the third one-way valve is communicated with the interior of the heat-preserving barrel (9), the output end of the condenser (13) is communicated with the lower portion of the interior of the annular cavity through a second pipeline, a third pipeline communicated with the interior of the heat-preserving barrel (9) is arranged on the upper end of the second pipeline, a fourth one-way valve is arranged on the upper end of one side of the second outer shell (4), a fifth one-way valve is arranged in the interior of the fourth pipeline, the fifth one-way valve is communicated with the interior of the second inner shell (5), the fourth pipeline is arranged on the upper end of the annular cavity, and the fifth pipeline is open.
4. The injection mechanism of the injection molding machine according to claim 1, wherein a spiral conveying rod (22) is rotatably arranged inside the first inner shell (3), a driving motor (17) is arranged on one side of the first outer shell (2), an output end of the driving motor (17) penetrates into the first inner shell (3) and is connected with one end of the spiral conveying rod (22), a second electromagnetic coil is wound on the outer wall of the first inner shell (3), a feeding hopper is arranged on one side of the upper end of the first outer shell (2), an output end of the feeding hopper is communicated with the inside of the first inner shell (3), a discharging pipe (7) is arranged on the other side of the lower end of the first outer shell (2), the upper end of the discharging pipe (7) is communicated with the inside of the first inner shell (3), the lower end of the discharging pipe (7) is communicated with the inside of the second inner shell (5), and a non-return component is arranged inside the discharging pipe (7).
5. The injection mechanism of an injection molding machine according to claim 4, wherein the non-return assembly comprises a fixing ring (18) arranged on the inner wall of the discharging pipe (7), a sealing plate (19) and a mounting cavity symmetrically arranged in the middle of the fixing ring (18), two fixing rods (20) are symmetrically arranged on one side of the sealing plate (19), a limiting block is arranged in the mounting cavity in a sliding mode, one ends of the two fixing rods (20) respectively penetrate through the mounting cavity and are connected with the limiting block, an expansion spring (21) is sleeved in the middle of the two fixing rods (20), one end of the expansion spring (21) is connected with the limiting block, the other end of the expansion spring (21) is connected with the inner wall of the mounting cavity, and the sealing plate (19) is close to the output end side of the discharging pipe (7).
6. The injection mechanism of an injection molding machine as claimed in claim 1, wherein a check assembly is also provided inside said discharge pipe (14) and a sealing plate (19) of the check assembly is disposed adjacent to the output end side of the discharge pipe (14).
7. The injection mechanism of an injection molding machine according to claim 1, wherein the inner diameter of the heat-insulating barrel (9) is the same as the inner diameter of the second inner case (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222053612.XU CN217704565U (en) | 2022-08-05 | 2022-08-05 | Injection mechanism of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222053612.XU CN217704565U (en) | 2022-08-05 | 2022-08-05 | Injection mechanism of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217704565U true CN217704565U (en) | 2022-11-01 |
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ID=83786429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222053612.XU Active CN217704565U (en) | 2022-08-05 | 2022-08-05 | Injection mechanism of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217704565U (en) |
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2022
- 2022-08-05 CN CN202222053612.XU patent/CN217704565U/en active Active
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