CN210759045U - Screw mechanism for injection molding machine - Google Patents
Screw mechanism for injection molding machine Download PDFInfo
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- CN210759045U CN210759045U CN201921669796.4U CN201921669796U CN210759045U CN 210759045 U CN210759045 U CN 210759045U CN 201921669796 U CN201921669796 U CN 201921669796U CN 210759045 U CN210759045 U CN 210759045U
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- injection molding
- cylinder
- screw rod
- barrel
- molding machine
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Abstract
The utility model provides a screw rod mechanism for injection molding machine, screw rod mechanism for injection molding machine includes bottom plate, cylinder, rotating electrical machines, injection molding barrel and screw rod, the fixed cylinder that is provided with in bottom plate upper surface left side, the right-hand member fixedly connected with push rod of cylinder, the one end fixedly connected with rotating electrical machines of cylinder are kept away from to the push rod. The utility model discloses the cylinder passes through the push rod and promotes the rotating electrical machines and removes, the rotating electrical machines drives the screw rod and removes about in the bucket of moulding plastics, when the removal is controlled to the inside piston of the bucket of moulding plastics, the flexible bending of spring on piston right side makes the stripper plate of gag lever post tip inside to the hole one side removal of moulding plastics, the gag lever post is spacing to the removal of stripper plate in spacing downthehole activity, it rocks to appear when avoiding the stripper plate to remove, extrude when moulding plastics bucket inner chamber tip when the rubber pad, the deformation appears in the stress simultaneously of rubber pad and its inside gasbag, the rubber pad outside is laminated with the inner wall of the bucket of moulding plastics and the hole mutually, the raw materials is through fine.
Description
Technical Field
The utility model relates to an injection molding machine field especially relates to a screw rod mechanism for injection molding machine.
Background
The injection molding machine is a device which injects plastic in a plasticized molten state into a closed mold cavity in a high-pressure and rapid mode by means of screw thrust, and obtains a product after cooling, solidification and shaping.
The screw is an important component of an injection molding machine and is mainly used for heating and extruding plastic particles, and the currently used screw is basically of a single spiral structure and is easy to generate bubbles during injection molding.
Therefore, it is necessary to provide a screw mechanism for an injection molding machine to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a screw rod mechanism for injection molding machine has solved the screw rod and has been the important component of injection molding machine, and mainly used heats the extrusion to plastic granules, and the screw rod that is using at present all is single helical structure basically, reaches the problem of easy gassing when moulding plastics.
In order to solve the technical problems, the utility model provides a screw rod mechanism for injection molding machine, which comprises a bottom plate, a cylinder, a rotating motor, an injection molding barrel and a screw rod, wherein the cylinder is fixedly arranged on the left side of the upper surface of the bottom plate, a push rod is fixedly connected with the right end of the cylinder, one end of the push rod far away from the cylinder is fixedly connected with the rotating motor, the output shaft of the rotating motor is in transmission connection with the screw rod, one end of the screw rod far away from the rotating motor penetrates through the injection molding barrel and extends to the inside, the screw rod is rotatably arranged in the injection molding barrel, the injection molding barrel is fixedly arranged on the right side of the upper surface of the bottom plate, a piston is arranged in the injection molding barrel, the left side of the piston is fixedly connected with the screw rod, a limiting hole is arranged on the right side of the piston, a, the right side of the extrusion plate is fixedly provided with a rubber pad, a communicating pipe is arranged inside the piston and penetrates through the extrusion plate and the rubber pad, and an injection molding hole is formed in the right side of the injection molding barrel.
Preferably, the cylinder is fixed on the upper surface of the bottom plate through a mounting seat.
Preferably, a fixed plate is fixedly arranged on the upper surface of the bottom plate, a sliding groove is formed in the fixed plate, a sliding rod is slidably arranged in the sliding groove, and the top end of the sliding rod is fixedly connected with the bottom of the rotating motor.
Preferably, the top of moulding plastics bucket left side is provided with the inlet pipe, the top of inlet pipe is provided with the feed cylinder.
Preferably, the feeding pipe is provided with a control valve.
Preferably, a spring is fixedly arranged between the piston and the extrusion plate, and an air bag is arranged inside the rubber pad.
Compared with the prior art, the utility model provides a pair of screw rod mechanism for injection molding machine has following beneficial effect:
the utility model provides a screw mechanism for an injection molding machine, which pours the plastic in a plasticized melting state into a feeding barrel, opens a control valve, the raw material enters the injection molding barrel, starts a cylinder, the cylinder pushes a rotary motor to move left and right through a push rod, the rotary motor drives a screw to move left and right in the injection molding barrel, when a piston in the injection molding barrel moves left and right, the spring on the right side of the piston is flexibly bent to enable the extrusion plate at the end part of the limiting rod to move towards one side of the injection molding hole in the injection molding barrel, the limiting rod moves in the limiting hole to limit the movement of the extrusion plate, the extrusion plate is prevented from shaking when moving, when the rubber pad extrudeed when the bucket inner chamber tip of moulding plastics, the deformation appears in the simultaneously atress of rubber pad and its inside gasbag, and the rubber pad outside is laminated mutually with the inner wall in injection moulding bucket and the hole of moulding plastics, and the raw materials is through fine extrusion of communicating pipe, is difficult for appearing the bubble.
Drawings
Fig. 1 is a schematic structural diagram of a screw mechanism for an injection molding machine according to a preferred embodiment of the present invention;
fig. 2 is a schematic top view of a screw mechanism for an injection molding machine according to a preferred embodiment of the present invention;
fig. 3 is a schematic diagram of a right side structure of a piston of a screw mechanism for an injection molding machine according to a preferred embodiment of the present invention.
Reference numbers in the figures: 1. a base plate; 2. a cylinder; 3. a rotating electric machine; 4. injecting a plastic barrel; 5. a screw; 6. a push rod; 7. a piston; 8. a limiting hole; 9. a limiting rod; 10. a pressing plate; 11. a rubber pad; 12. a communicating pipe; 13. injection molding holes; 14. a mounting seat; 15. a fixing plate; 16. a chute; 17. a slide bar; 18. a feed pipe; 19. a charging barrel; 20. a control valve; 21. a spring; 22. an air bag.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a screw mechanism for an injection molding machine according to a preferred embodiment of the present invention; fig. 2 is a schematic top view of a screw mechanism for an injection molding machine according to a preferred embodiment of the present invention; fig. 3 is a schematic diagram of a right side structure of a piston of a screw mechanism for an injection molding machine according to a preferred embodiment of the present invention. A screw mechanism for an injection molding machine comprises a bottom plate 1, a cylinder 2, a rotating motor 3, an injection molding barrel 4 and a screw 5, wherein the cylinder 2 is fixedly arranged on the left side of the upper surface of the bottom plate 1, a push rod 6 is fixedly connected to the right end of the cylinder 2, the rotating motor 3 is fixedly connected to one end, far away from the cylinder 2, of the push rod 6, the screw 5 is connected to an output shaft of the rotating motor 3 in a transmission manner, one end, far away from the rotating motor 3, of the screw 5 penetrates through the injection molding barrel 4 and extends into the injection molding barrel 4, the screw 5 is rotatably arranged in the injection molding barrel 4, the injection molding barrel 4 is fixedly arranged on the right side of the upper surface of the bottom plate 1, a piston 7 is arranged in the injection molding barrel 4, the left side of the piston 7 is fixedly connected with the screw 5, a limiting hole 8 is formed in the right side of the, the communicating pipe 12 penetrates through the extrusion plate 10 and the rubber pad 11, and the right side of the injection molding barrel 4 is provided with an injection molding hole 13.
The cylinder 2 is fixed on the upper surface of the bottom plate 1 through a mounting seat 14.
The upper surface of the base plate 1 is fixedly provided with a fixing plate 15, a sliding groove 16 is formed in the fixing plate 15, a sliding rod 17 is arranged in the sliding groove 16 in a sliding mode, the top end of the sliding rod 17 is fixedly connected with the bottom of the rotating motor 3, and the rotating motor 3 is driven to move left and right through the air cylinder 2 during use, so that the screw rod 5 is driven to move left and right.
The top of the left side of the injection molding barrel 4 is provided with a feeding pipe 18, and the top end of the feeding pipe 18 is provided with a feeding barrel 19, so that blanking is facilitated.
The feed pipe 18 is provided with a control valve 20 for controlling the opening and closing of the feed pipe 18.
The fixed spring 21 that is provided with between piston 7 and the stripper plate 10 plays the effect of connecting and restoring to the throne, the inside of rubber pad 11 is provided with gasbag 22, and when rubber pad 11 extrudeed 4 inner chamber tip of bucket of moulding plastics, deformation appears in the simultaneously atress of rubber pad 11 and its inside gasbag 22, and the rubber pad 11 outside is laminated mutually with the inner wall of 4 and the hole 13 of moulding plastics of bucket of moulding plastics, and the raw materials is through the fine extrusion of communicating pipe 12.
The utility model provides a pair of screw rod mechanism for injection molding machine's theory of operation as follows:
when the injection molding machine is used, the bottom plate 1 is fixed on a workbench of the injection molding machine, then the plasticized molten plastic is poured into the feeding barrel 19, the control valve 20 is opened, the raw material enters the injection molding barrel 4, the cylinder 2 is started, the cylinder 2 pushes the rotary motor 3 to move left and right through the push rod 6, the rotary motor 3 drives the screw rod 5 to move left and right in the injection molding barrel 4, the piston 7 in the injection molding barrel 4 moves left and right, the spring 21 on the right side of the piston 7 stretches and bends to enable the extrusion plate 10 at the end part of the limiting rod 9 to move towards one side of the injection molding hole 13 in the injection molding barrel 4, the limiting rod 9 movably limits the movement of the extrusion plate 10 in the limiting hole 8, the phenomenon that the extrusion plate 10 shakes when moving is avoided, when the rubber pad 11 is extruded to the end part of the inner cavity of the injection molding barrel 4, the rubber pad 11 and the air bag 22 in the rubber pad 11 are simultaneously, the raw materials are well extruded through the communicating pipe 12, and bubbles are not easy to appear.
Compared with the prior art, the utility model provides a pair of screw rod mechanism for injection molding machine has following beneficial effect:
the utility model provides a screw rod mechanism for injection molding machine, the utility model pours the plastic in the molten state into a feeding barrel 19 after plasticizing, opens a control valve 20, the raw material enters into the injection molding barrel 4, starts a cylinder 2, the cylinder 2 pushes a rotary motor 3 to move left and right through a push rod 6, the rotary motor 3 drives a screw rod 5 to move left and right in the injection molding barrel 4, when a piston 7 in the injection molding barrel 4 moves left and right, a spring 21 on the right side of the piston 7 is flexibly bent to enable an extrusion plate 10 at the end part of a limiting rod 9 to move to one side of an injection molding hole 13 in the injection molding barrel 4, the movement of the extrusion plate 10 is limited by the movement of the limiting rod 9 in the limiting hole 8, the shaking generated when the extrusion plate 10 moves is avoided, when the rubber pad 11 is extruded to the end part of an inner cavity of the injection molding barrel 4, the rubber pad 11 and an air bag 22 in the rubber pad are simultaneously stressed, the raw materials are well extruded through the communicating pipe 12, and bubbles are not easy to appear.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a screw rod mechanism for injection molding machine, includes bottom plate (1), cylinder (2), rotating electrical machines (3), injection molding barrel (4) and screw rod (5), its characterized in that: the cylinder (2) is fixedly arranged on the left side of the upper surface of the bottom plate (1), the right end of the cylinder (2) is fixedly connected with a push rod (6), one end, far away from the cylinder (2), of the push rod (6) is fixedly connected with the rotating motor (3), an output shaft of the rotating motor (3) is in transmission connection with the screw rod (5), one end, far away from the rotating motor (3), of the screw rod (5) penetrates through the injection molding barrel (4) and extends to the inside, the screw rod (5) is rotatably arranged in the injection molding barrel (4), the injection molding barrel (4) is fixedly arranged on the right side of the upper surface of the bottom plate (1), a piston (7) is arranged inside the injection molding barrel (4), the left side of the piston (7) is fixedly connected with the screw rod (5), a limiting hole (8) is formed in the right side of the piston (7), a limiting rod (9) is arranged inside the, the plastic injection molding device is characterized in that an extrusion plate (10) is fixedly connected to the right end of the limiting rod (9), a rubber pad (11) is fixedly arranged on the right side of the extrusion plate (10), a communicating pipe (12) is arranged inside the piston (7), the communicating pipe (12) penetrates through the extrusion plate (10) and the rubber pad (11), and an injection molding hole (13) is formed in the right side of the injection molding barrel (4).
2. Screw mechanism for injection molding machines according to claim 1, characterized in that the cylinder (2) is fixed to the upper surface of the base plate (1) by means of a mounting seat (14).
3. The screw mechanism for the injection molding machine according to claim 1, wherein a fixed plate (15) is fixedly arranged on the upper surface of the base plate (1), a sliding groove (16) is formed in the fixed plate (15), a sliding rod (17) is slidably arranged in the sliding groove (16), and the top end of the sliding rod (17) is fixedly connected with the bottom of the rotating motor (3).
4. Screw mechanism for injection molding machine according to claim 1, characterized in that the injection molding barrel (4) is provided with a feed pipe (18) at the top of the left side, and the feed pipe (18) is provided with a feed barrel (19) at the top end.
5. Screw mechanism for an injection molding machine according to claim 4, characterized in that the feed pipe (18) is provided with a control valve (20).
6. Screw mechanism for injection molding machine according to claim 1, characterized in that a spring (21) is fixedly arranged between the piston (7) and the extrusion plate (10), and an air bag (22) is arranged inside the rubber gasket (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669796.4U CN210759045U (en) | 2019-10-08 | 2019-10-08 | Screw mechanism for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669796.4U CN210759045U (en) | 2019-10-08 | 2019-10-08 | Screw mechanism for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210759045U true CN210759045U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921669796.4U Active CN210759045U (en) | 2019-10-08 | 2019-10-08 | Screw mechanism for injection molding machine |
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| Country | Link |
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| CN (1) | CN210759045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103530A (en) * | 2021-04-23 | 2021-07-13 | 吴莉华 | Injection molding equipment for gantry machining |
| CN117261114A (en) * | 2023-11-22 | 2023-12-22 | 南通华敏运动用品有限公司 | Injection molding machine discharging device for body-building equipment production |
-
2019
- 2019-10-08 CN CN201921669796.4U patent/CN210759045U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103530A (en) * | 2021-04-23 | 2021-07-13 | 吴莉华 | Injection molding equipment for gantry machining |
| CN117261114A (en) * | 2023-11-22 | 2023-12-22 | 南通华敏运动用品有限公司 | Injection molding machine discharging device for body-building equipment production |
| CN117261114B (en) * | 2023-11-22 | 2024-02-13 | 南通华敏运动用品有限公司 | Injection molding machine discharging device for body-building equipment production |
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