CN216506493U - Improved precision plastic mould sprue - Google Patents

Abstract

The utility model discloses an improved precise plastic mold gate which comprises a feeding pipe, wherein the outer surface of the feeding pipe is communicated with a discharging pipe through a discharging hole, one end of an inner cavity of the feeding pipe is provided with an anti-reverse device, one end of an inner cavity of the discharging pipe is provided with a cleaning device, one end of the outer surface of the discharging pipe is provided with a discharging hole, one end of the outer surface of the discharging pipe, which is close to the discharging hole, is fixedly connected with a protective cover, and the inner cavity of the protective cover is provided with a scraping device. This follow-on accurate plastic mould runner has solved traditional plastic mould runner and is moulding plastics the back, appears the phenomenon of plastic backward flow easily, leads to moulding plastics not full problem.

Description

Improved precision plastic mould sprue

Technical Field

The utility model relates to the technical field of plastic mold gates, in particular to an improved precise plastic mold gate.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, suitability for the molding processing fields of mass production, products with complex shapes and the like;

the position of the existing injection molding sprue needs to be changed according to the structural adjustment of a mold, when the injection molding is carried out, the sprue is a through type pipeline, after the injection molding, when the pressure is insufficient, plastic backflow can be caused, the injection molding is not full, and the injection molding effect is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an improved precise plastic mold gate, and solves the problem that the traditional plastic mold gate is easy to cause plastic backflow after injection molding, so that the injection molding is not full.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: follow-on accurate plastic mould runner, including the inlet pipe, the inlet pipe surface has the discharging pipe through the discharge opening intercommunication, anti-reversing device is installed to inlet pipe inner chamber one end, cleaning device is installed to discharge pipe inner chamber one end, discharging pipe surface one end all is provided with the relief hole, the discharging pipe surface just is close to relief hole one end fixedly connected with protection casing, scraping device is installed to the protection casing inner chamber.

Preferably, prevent contrary device by preventing contrary spring, prevent contrary stopper, prevent against rack, L type pole and rotary gear and constitute, the contrary spring is prevented to inlet pipe inner chamber one end fixedly connected with, prevent against the stopper to contrary spring one end fixedly connected with, prevent against stopper one end middle part fixedly connected with and prevent against the rack.

Preferably, prevent contrary rack one end run through inlet pipe one end and with inlet pipe inner chamber sliding connection, inlet pipe surface one end fixedly connected with L type pole, L type pole up end rotates and is connected with the rotating gear, prevent against contrary rack and rotating gear engagement and be connected.

Preferably, cleaning device comprises clearance spring, clearance stopper, clearance rack, sliding tray and bracing piece, discharging pipe inner chamber one end fixedly connected with clearance spring, clearance spring one end fixedly connected with clearance stopper, clearance stopper one side middle part fixedly connected with clearance rack.

Preferably, clearance rack one end run through discharging pipe one end and with discharging pipe inner chamber sliding connection, the clearance rack is connected with the meshing of rotating gear, clearance rack up end is provided with the sliding tray, inlet pipe outer fixed surface is connected with the bracing piece, bracing piece one end and sliding tray inner chamber sliding connection.

Preferably, the scraping device is composed of a scraping ring, a movable ring, a linkage rod, a first bump and a second bump, the inner cavity of the protective cover is connected with the scraping ring in a sliding mode, one end of the scraping ring is fixedly connected with the movable ring, the outer surface of the discharging pipe is connected with the movable ring in a sliding mode, one side of the movable ring is fixedly connected with the linkage rod, and the lower end face of the cleaning rack is fixedly connected with the first bump and the second bump respectively.

(III) advantageous effects

The present invention provides an improved precision plastic mold gate. The method has the following beneficial effects:

the improved precise plastic mold sprue is characterized in that plastic is input from one end of a feeding pipe, when the plastic is input, the plastic is extruded to prevent a reverse plug, when the reverse plug is extruded by the plastic, the plastic moves backwards, when the reverse plug moves backwards, a reverse rack is driven to move backwards, when the reverse plug moves backwards, a reverse spring is extruded at the same time, when the reverse rack moves backwards, a rotating gear is driven to rotate, when the rotating gear rotates, a cleaning rack is driven to move towards the direction opposite to that of the reverse rack, when the cleaning rack moves, a cleaning plug is driven to move in an inner cavity of a discharging pipe, when the cleaning plug moves, the cleaning spring is extruded, when the discharging hole is opened along with the movement of the reverse plug and the cleaning plug, when the discharging hole is opened, the plastic flows into the discharging pipe from the discharging hole in the feeding pipe, when the plastic moves in the inner cavity of the discharge pipe, the anti-reverse spring drives the linkage rod and the movable ring to move through the first bump, when the movable ring moves, the scraping ring is driven to move in the inner cavity of the protective cover, when the scraping ring moves in the inner cavity of the protective cover, the discharge hole is exposed outside, the plastic in the inner cavity of the discharge pipe is discharged into the inner cavity of the protective cover through the discharge hole, when the injection molding is stopped, the anti-reverse plug resets under the action of the anti-reverse spring, so that the material in the inner cavity of the feed pipe is discharged through the anti-reverse plug, the discharge hole is blocked, the backflow phenomenon of the material in the discharge pipe is prevented, when the anti-reverse plug rebounds, the cleaning plug resets under the action of the cleaning spring, when the cleaning plug resets, the plastic in the inner cavity of the discharge pipe can be discharged from the inner cavity of the discharge hole, when reseing along with the clearance stopper, will drive the clearance rack and reset, will drive the second lug and extrude the trace when the clearance rack resets, shift ring and scraping ring, thereby can extrude the discharge with protection casing inner chamber material through scraping ring, will realize when carrying out extrusion discharge to the material of protection casing inner chamber that the protection casing carries out closedly, prevent the backward flow of plastic, can also prevent simultaneously that inside plastic from carrying out the problem that flows, thereby realized preventing through this device that the plastic backward flow from leading to moulding plastics not full problem, can also place the plastic cooling simultaneously and lead to carrying out the problem that blocks up with inlet pipe and discharging pipe inner chamber.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention;

FIG. 3 is a schematic view of the present invention in partial cross-section.

In the figure: 1. a feed pipe; 2. a discharge hole; 3. a discharge pipe; 4. an anti-reverse device; 41. an anti-reverse spring; 42. the anti-reverse plug is arranged; 43. an anti-reverse rack; 44. an L-shaped rod; 45. a rotating gear; 5. a cleaning device; 51. cleaning the spring; 52. cleaning the plug; 53. cleaning the rack; 54. a sliding groove; 55. a support bar; 6. a discharge hole; 7. a protective cover; 8. a scraping device; 81. scraping rings; 82. a moving ring; 83. a linkage rod; 84. a first bump; 85. and a second bump.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the first embodiment is as follows:

follow-on accurate plastic mould runner, including inlet pipe 1, 1 surface of inlet pipe has discharging pipe 3 through discharge opening 2 intercommunication, and anti-reversing device 4 is installed to 1 inner chamber one end of inlet pipe, and cleaning device 5 is installed to 3 inner chamber one ends of discharging pipe, and 3 surface one ends of discharging pipe all are provided with relief hole 6, and 3 surfaces of discharging pipe just are close to 6 one end fixedly connected with protection casing 7 of relief hole, and scraping device 8 is installed to 7 inner chambers of protection casing. The anti-reverse device 4 is composed of an anti-reverse spring 41, an anti-reverse plug 42, an anti-reverse rack 43, an L-shaped rod 44 and a rotating gear 45, wherein one end of the inner cavity of the feeding pipe 1 is fixedly connected with the anti-reverse spring 41, one end of the anti-reverse spring 41 is fixedly connected with the anti-reverse plug 42, and the middle part of one end of the anti-reverse plug 42 is fixedly connected with the anti-reverse rack 43. Prevent contrary rack 43 one end run through inlet pipe 1 one end and with inlet pipe 1 inner chamber sliding connection, inlet pipe 1 surface one end fixedly connected with L type pole 44, L type pole 44 up end rotates and is connected with rotary gear 45, prevents against contrary rack 43 and rotary gear 45 meshing and is connected. Cleaning device 5 comprises clearance spring 51, clearance stopper 52, clearance rack 53, sliding tray 54 and bracing piece 55, and 3 inner chamber one end fixedly connected with clearance spring 51 of discharging pipe, clearance spring 51 one end fixedly connected with clearance stopper 52, clearance stopper 52 one side middle part fixedly connected with clearance rack 53. Cleaning rack 53 one end run through discharging pipe 3 one end and with discharging pipe 3 inner chamber sliding connection, cleaning rack 53 is connected with the meshing of rotating gear 45, cleaning rack 53 up end is provided with sliding tray 54, inlet pipe 1 external surface fixedly connected with bracing piece 55, bracing piece 55 one end and sliding tray 54 inner chamber sliding connection. Scraping device 8 comprises scraping ring 81, shifting ring 82, trace 83, first lug 84 and second lug 85, and protective cover 7 inner chamber sliding connection has scraping ring 81, scrapes ring 81 one end fixedly connected with shifting ring 82, and discharging pipe 3 surface sliding connection has shifting ring 82, and shifting ring 82 one side fixedly connected with trace 83, the terminal surface is the first lug 84 of fixedly connected with and the second lug 85 respectively under the clearance rack 53.

When the feeding device works, plastic is input from one end of the feeding pipe 1, when in input, the plastic extrudes the anti-reverse plug 42 firstly, when the anti-reverse plug 42 is extruded by the plastic, the anti-reverse plug 42 moves backwards, the anti-reverse rack 43 is driven to move backwards when the anti-reverse plug 42 moves backwards, the anti-reverse spring 41 is extruded simultaneously when the anti-reverse plug 42 moves backwards, when the anti-reverse rack 43 moves backwards, the rotating gear 45 is driven to rotate, when the rotating gear 45 rotates, the cleaning rack 53 is driven to move in the direction opposite to the direction of the anti-reverse rack 43, when the cleaning rack 53 moves, the cleaning plug 52 is driven to move in the inner cavity of the discharging pipe 3, when the cleaning plug 52 moves, the cleaning spring 51 is extruded, when the discharging hole 2 is opened along with the dislocation movement of the anti-reverse plug 42 and the cleaning plug 52, when the discharging hole 2 is opened along with the opening of the discharging hole, at this time, the plastic will flow into the discharging pipe 3 from the discharging hole 2 in the feeding pipe 1, when the plastic moves in the inner cavity of the discharging pipe 3, the anti-reverse spring 41 will drive the linkage rod 83 and the moving ring 82 to move through the first bump 84, when the moving ring 82 will drive the scraping ring 81 to move in the inner cavity of the protective cover 7, when the scraping ring 81 moves in the inner cavity of the protective cover 7, the discharging hole 6 will be exposed, at this time, the plastic in the inner cavity of the discharging pipe 3 will be discharged into the inner cavity of the protective cover 7 through the discharging hole 6, when the injection molding is stopped, the anti-reverse plug 42 will be reset under the action of the anti-reverse spring 41, thereby the discharging of the material in the inner cavity of the feeding pipe 1 is realized through the anti-reverse plug 42, and simultaneously the discharging hole 2 is blocked, the material backflow phenomenon of the discharging pipe 3 is prevented, when the anti-reverse plug 42 rebounds, the cleaning plug 52 will be reset under the action of the cleaning spring 51, when clearance stopper 52 resets, can discharge the plastic of discharging pipe 3 inner chamber from the inner chamber of relief hole 6, when reseing along with clearance stopper 52, will drive clearance rack 53 and reset, will drive second lug 85 and extrude trace 83 when clearance rack 53 resets, shift ring 82 and scraping ring 81, thereby can extrude the discharge with 7 inner chamber materials of protection casing through scraping ring 81, will realize when carrying out extrusion discharge to the material of 7 inner chambers of protection casing that protection casing 7 carries out the protection casing 7 and close, prevent the backward flow of plastic, can also prevent that inside plastic from carrying out the problem of flowing simultaneously, thereby realized preventing through this device that the plastic backward flow from leading to moulding plastics not full problem, can also place the plastic cooling and lead to carrying out the problem of blockking up with feeding pipe 1 and discharging pipe 3 inner chambers simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims (6)

1. Follow-on accurate plastic mould runner, including inlet pipe (1), its characterized in that: inlet pipe (1) surface has discharging pipe (3) through discharge opening (2) intercommunication, anti-reversing device (4) are installed to inlet pipe (1) inner chamber one end, cleaning device (5) are installed to discharging pipe (3) inner chamber one end, discharging pipe (3) surface one end all is provided with relief hole (6), discharging pipe (3) surface just is close to relief hole (6) one end fixedly connected with protection casing (7), scraping device (8) are installed to protection casing (7) inner chamber.

2. The improved precision plastic mold gate of claim 1, wherein: prevent contrary device (4) by preventing contrary spring (41), prevent contrary stopper (42), prevent contrary rack (43), L type pole (44) and rotary gear (45) and constitute, inlet pipe (1) inner chamber one end fixedly connected with prevents contrary spring (41), prevent contrary stopper (42) of spring (41) one end fixedly connected with, prevent against contrary rack (43) of stopper (42) one end middle part fixedly connected with.

3. The improved precision plastic mold gate of claim 2, wherein: prevent contrary rack (43) one end run through inlet pipe (1) one end and with inlet pipe (1) inner chamber sliding connection, inlet pipe (1) surface one end fixedly connected with L type pole (44), L type pole (44) up end rotates and is connected with rotating gear (45), prevent against contrary rack (43) and rotating gear (45) meshing connection.

4. The improved precision plastic mold gate of claim 3, wherein: cleaning device (5) comprises clearance spring (51), clearance stopper (52), clearance rack (53), sliding tray (54) and bracing piece (55), discharging pipe (3) inner chamber one end fixedly connected with clearance spring (51), clearance spring (51) one end fixedly connected with clearance stopper (52), clearance stopper (52) one side middle part fixedly connected with clearance rack (53).

5. The improved precision plastic mold gate of claim 4, wherein: cleaning rack (53) one end run through discharging pipe (3) one end and with discharging pipe (3) inner chamber sliding connection, cleaning rack (53) are connected with rotating gear (45) meshing, cleaning rack (53) up end is provided with sliding tray (54), inlet pipe (1) outer fixed surface is connected with bracing piece (55), bracing piece (55) one end and sliding tray (54) inner chamber sliding connection.

6. The improved precision plastic mold gate of claim 5, wherein: scraping device (8) comprises scraping ring (81), shift ring (82), trace (83), first lug (84) and second lug (85), protection casing (7) inner chamber sliding connection scrapes ring (81), scrape ring (81) one end fixedly connected with shift ring (82), discharging pipe (3) surface sliding connection has shift ring (82), shift ring (82) one side fixedly connected with trace (83), terminal surface difference fixedly connected with first lug (84) and second lug (85) under clearance rack (53).

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