CN214926728U

CN214926728U - Water gap material ejection mechanism of plastic mold

Info

Publication number: CN214926728U
Application number: CN202120054914.1U
Authority: CN
Inventors: 刘汉雄
Original assignee: Suzhou Xingsida Mould Co ltd
Current assignee: Suzhou Xingsida Mould Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-11-30
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a nozzle material ejection mechanism of a plastic mold, which belongs to the technical field of mold processing and comprises a left mold and a right mold, wherein the right side surface of the left mold is provided with a first groove and a second groove, the second groove is positioned under the first groove, the inside of the left mold is provided with a first cavity, and the first groove is communicated with the second groove through the first cavity; through setting up recess one, recess two and cavity one, utilize recess one, recess two and cavity one sliding connection's L shape pole one, and then make when left mould and right mould compound die, right side mould can extrude the push rod, utilize the elastic component who sets up, and then can reset L shape pole, utilize the reciprocal lead screw that sets up, and then make reciprocal lead screw can be on the movable block rotary motion, utilize the bull stick that sets up, thereby make the scraper blade can strike off the plastic on the ejector pad, prevent that the plastic from pasting on the ejector pad, avoid causing the influence to subsequent processing.

Description

Water gap material ejection mechanism of plastic mold

Technical Field

The utility model belongs to the technical field of the mould processing, concretely relates to mouth of a river material ejection mechanism of plastic mould.

Background

The nozzle material mainly refers to a sprue outside a product and a molded object of a flow channel, and after the physical properties are consistent, an unqualified product and a nozzle are smashed and then are generally called the nozzle material, and the auxiliary brand: the plastic mould is a short form of a combined mould for compression moulding, extrusion moulding, injection, blow moulding and low foaming moulding, and the nozzle material mainly refers to a formed product of a pouring gate and a flow channel outside a product, and the nozzle material is not only attractive in appearance but also difficult to separate during mould division in mould pouring, and is easy to adhere to an ejection mechanism when the nozzle material is ejected due to large viscosity during melting of the plastic raw material, so that subsequent processing is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plastic mould's mouth of a river material ejection mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a nozzle material ejection mechanism of a plastic mold comprises a left mold and a right mold, wherein a first groove and a second groove are formed in the right side face of the left mold, the second groove is located right below the first groove, a first cavity is formed in the left mold, the first groove is communicated with the second groove through the first cavity, the first groove, the second groove and the first cavity are internally provided with a same L-shaped rod I in a sliding mode through an elastic assembly, a push rod is fixedly installed at the bottom end of the right side face of the L-shaped rod I and located in the second groove, a push block is fixedly installed at the top end of the right side face of the L-shaped rod I and located in the first groove, a second cavity is formed in the left mold, the second cavity is located on the right side of the first cavity, a reciprocating lead screw is rotatably installed on the right side face of the L-shaped rod I through a connecting assembly, one end, far away from the L-shaped rod I, penetrates through the left side face of the inner wall of the second cavity and is fixedly installed with a rotating rod, the two interior fixed mounting of cavity have with reciprocal lead screw assorted movable block, the right flank and the fixed mounting that the left side of left mould was passed to the one end that reciprocal lead screw was kept away from to the bull stick have the scraper blade, the left surface of scraper blade is laminated mutually with the right flank of ejector pad.

By adopting the scheme, through arranging the first groove, the second groove and the first cavity, utilizing the first L-shaped rod which is connected with the first groove, the second groove and the first cavity in a sliding way, and utilizing the push rod and the push block which are arranged on the first L-shaped rod, when the left mold and the right mold are closed, the right mold can extrude the push rod, so that the push rod pushes the L-shaped rod to move leftwards to drive the push block to move leftwards, further, the L-shaped rod can be reset, the reciprocating screw rod is arranged, the movable block is arranged, so that the reciprocating screw rod can rotate and move on the movable block, the arranged rotating rod is utilized, the scraper is arranged on the rotating rod, and meanwhile, the scraper is attached to the push block, thereby make the scraper blade can strike off the plastic on the ejector pad, prevent that the plastic from pasting on the ejector pad, avoid causing the influence to subsequent processing.

As a preferred embodiment, the connecting assembly comprises a rolling bearing and a telescopic rod, one end of the telescopic rod is rotatably installed on the right side face of the first L-shaped rod through the rolling bearing, and the other end of the telescopic rod is fixedly connected with one end of the reciprocating screw rod.

By adopting the scheme, through setting up the telescopic link, utilize being connected between telescopic link and the reciprocal lead screw, and then make L shape pole one move one end distance after drive reciprocal lead screw and rotate, guarantee that the scraper blade can contact with the ejector pad, utilize the antifriction bearing that sets up to can make better the rotating of reciprocal lead screw, guarantee the agility of scraper blade.

As a preferred embodiment, the elastic assembly comprises a gas spring, one end of the gas spring is fixedly installed on the left side surface of the inner wall of the second groove, and the other end of the gas spring is fixedly installed on the left side surface of the first L-shaped rod.

By adopting the scheme, the air spring is arranged, and the first L-shaped rod can be pushed to reset by the aid of the connection between the air spring and the first L-shaped rod, so that the device can eject the nozzle material.

In a preferred embodiment, the right side surface of the left die is provided with a placing groove, and the reciprocating screw rod is located at one end of the placing groove.

Adopt above-mentioned scheme, through setting up the standing groove, the one end that utilizes reciprocal lead screw is located the standing groove to when making left mould and right mould compound die, the scraper blade can be placed in the standing groove along with reciprocal lead screw rotation back, avoids leading to the fact the influence to moulding plastics.

As a preferred embodiment, an injection molding opening is formed in the left mold, the injection molding opening is communicated with the first groove, an L-shaped through hole is formed in the inner side wall of the injection molding opening, a sliding groove is formed in the upper surface of the push block, one end of the L-shaped through hole is communicated with the sliding groove, a second L-shaped rod is slidably mounted in the L-shaped through hole, a sliding block is slidably mounted in the sliding groove, and one end of the second L-shaped rod is fixedly mounted on the upper surface of the sliding block.

Adopt above-mentioned scheme, through setting up L shape through-hole, utilize the L shape pole two that slides in the L shape through-hole and set up, the slider that slides in the spout and set up is recycled, utilizes being connected between slider and the L shape pole two simultaneously to make L shape pole two can follow the removal of ejector pad and carry out the shutoff to the mouth of moulding plastics, prevent to mould plastics the interior remaining plastic drippage of mouth, avoid causing the influence to mouth of a river material ejection mechanism.

In a preferred embodiment, a straight spring is fixedly mounted on the left side surface of the sliding block, and one end, far away from the sliding block, of the straight spring is fixedly mounted on the left side surface of the inner wall of the sliding chute.

Adopt above-mentioned scheme, through setting up straight spring, utilize being connected between straight spring and the slider to make straight spring can promote L shape pole two pairs of mouths of moulding plastics and carry out the shutoff, guarantee still can carry out the shutoff to the mouth of moulding plastics when the ejector pad removes, avoid the plastic to cause the influence because of two delays of L shape pole to the ejector pad.

Compared with the prior art, the beneficial effects of the utility model are that:

the sprue material ejection mechanism of the plastic mold is characterized in that a groove I, a groove II and a cavity I are arranged, an L-shaped rod I which is connected with the groove I, the groove II and the cavity I in a sliding manner is utilized, a push rod and a push block which are arranged on the L-shaped rod I are utilized, when the left mold and the right mold are closed, the right mold can extrude the push rod, so that the push rod pushes the L-shaped rod to move leftwards to drive the push block to move leftwards, further, the L-shaped rod can be reset, the reciprocating screw rod is arranged, the movable block is arranged, so that the reciprocating screw rod can rotate and move on the movable block, the arranged rotating rod is utilized, the scraper is arranged on the rotating rod, and meanwhile, the scraper is attached to the push block, therefore, the scraper can scrape the plastic on the push block, the plastic is prevented from being adhered to the push block, and the influence on subsequent processing is avoided;

this plastic mould's mouth of a river material ejection mechanism is through setting up L shape through-hole, utilizes the L shape pole two that slides in the L shape through-hole and set up, recycles the slider that slides in the spout and set up, utilizes being connected between slider and the L shape pole two simultaneously to make L shape pole two can follow the removal of ejector pad and carry out the shutoff to the mouth of moulding plastics, prevent to mould plastics remaining plastic drippage in the mouth, avoid causing the influence step to mouth of a river material ejection mechanism.

Drawings

FIG. 1 is a schematic view of the overall structure of the left and right molds of the present invention when the molds are closed;

FIG. 2 is a schematic view of the overall structure of the left mold and the right mold when the molds are opened;

fig. 3 is the structure schematic diagram of the left mold of the present invention.

In the figure: 1. a left mold; 2. a right mold; 3. a first groove; 4. a second groove; 5. a first cavity; 6. an L-shaped rod I; 7. a push rod; 8. a push block; 9. a second cavity; 10. a reciprocating screw rod; 11. a rotating rod; 12. a movable block; 13. a squeegee; 14. a rolling bearing; 15. a telescopic rod; 16. a gas spring; 17. a placement groove; 18. an injection molding port; 19. a chute; 20. an L-shaped through hole; 21. a second L-shaped rod; 22. a slider; 23. a straight spring.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides a nozzle material ejection mechanism of a plastic mold, which comprises a left mold 1 and a right mold 2, wherein the right side surface of the left mold 1 is provided with a first groove 3 and a second groove 4, the second groove 4 is positioned under the first groove 3, the inside of the left mold 1 is provided with a first cavity 5, the first groove 3 is communicated with the second groove 4 through the first cavity 5, the first groove 3, the second groove 4 and the first cavity 5 are slidably provided with a same L-shaped rod 6 through an elastic component, the bottom end of the right side surface of the first L-shaped rod 6 is fixedly provided with a push rod 7, the push rod 7 is positioned inside the second groove 4, the top end of the right side surface of the first L-shaped rod 6 is fixedly provided with a push block 8, the push block 8 is positioned inside the first groove 3, the inside of the left mold 1 is provided with a second cavity 9, the second cavity 9 is positioned on the right side of the first cavity 5, the right side surface of the first L-shaped rod 6 is rotatably provided with a reciprocating screw rod 10 through a connecting component, one end of the reciprocating screw rod 10, far away from the L-shaped rod I6, penetrates through the left side surface of the inner wall of the cavity II 9 and is fixedly provided with a rotating rod 11, a movable block 12 matched with the reciprocating screw rod 10 is fixedly arranged in the cavity II 9, one end of the rotating rod 11, far away from the reciprocating screw rod 10, penetrates through the right side surface of the left die 1 and is fixedly provided with a scraper 13, and the left side surface of the scraper 13 is attached to the right side surface of the push block 8; by arranging the first groove 3, the second groove 4 and the first cavity 5, the first groove 3, the second groove 4 and the first L-shaped rod 6 which is slidably connected with the first cavity 5 are utilized, the push rod 7 and the push block 8 which are arranged on the first L-shaped rod 6 are reused, and when the left mold 1 and the right mold 2 are closed, the right mold 2 can extrude the push rod 7, so that the push rod 7 pushes the first L-shaped rod 6 to move leftwards to drive the push block 8 to move leftwards, the arranged elastic component is utilized, and the L-shaped rod can be reset, the arranged reciprocating lead screw 10 is utilized, the arranged movable block 12 is reused, so that the reciprocating lead screw 10 can rotate on the movable block 12, the arranged rotating rod 11 is utilized, the scraper 13 is arranged on the rotating rod 11, and meanwhile, the scraper 13 is attached to the push block 8, so that the scraper 13 can scrape off plastic on the push block 8, and the plastic is prevented from being attached to the push block 8, the influence on subsequent processing is avoided.

The connecting assembly comprises a rolling bearing 14 and a telescopic rod 15, one end of the telescopic rod 15 is rotatably installed on the right side face of the L-shaped rod I6 through the rolling bearing 14, and the other end of the telescopic rod 15 is fixedly connected with one end of the reciprocating screw rod 10; through setting up telescopic link 15, utilize being connected between telescopic link 15 and the reciprocal lead screw 10, and then make L shape pole 6 drive reciprocal lead screw 10 and rotate after removing one end distance, guarantee that scraper blade 13 can contact with ejector pad 8, utilize the antifriction bearing 14 that sets up to can make better the rotating of reciprocal lead screw 10, guarantee the agility of scraper blade 13.

The elastic assembly comprises a gas spring 16, one end of the gas spring 16 is fixedly arranged on the left side surface of the inner wall of the second groove 4, and the other end of the gas spring 16 is fixedly arranged on the left side surface of the first L-shaped rod 6; through setting up gas spring 16, utilize the connection between gas spring 16 and the L shape pole 6 to make gas spring 16 can promote L shape pole 6 and reset, guarantee that the device can carry out ejecting to the mouth of a river material.

A placing groove 17 is formed in the right side face of the left die 1, and the reciprocating screw rod 10 is located at one end of the placing groove 17; through setting up standing groove 17, utilize the one end of reciprocal lead screw 10 to be located standing groove 17 to make when left mould 1 and right mould 2 compound die, place in standing groove 17 after the scraper blade 13 can rotate along with reciprocal lead screw 10, avoid leading to the fact the influence to moulding plastics.

An injection molding opening 18 is formed in the left mold 1, the injection molding opening 18 is communicated with the first groove 3, an L-shaped through hole 20 is formed in the inner side wall of the injection molding opening 18, a sliding groove 19 is formed in the upper surface of the push block 8, one end of the L-shaped through hole 20 is communicated with the sliding groove 19, an L-shaped rod II 21 is installed in the L-shaped through hole 20 in a sliding mode, a sliding block 22 is installed in the sliding groove 19 in a sliding mode, and one end of the L-shaped rod II 21 is fixedly installed on the upper surface of the sliding block 22; through setting up L shape through-hole 20, utilize the second 21 of L shape pole that slides in L shape through-hole 20 and set up, reuse the slider 22 that slides in the spout 19 and set up, utilize being connected between slider 22 and the second 21 of L shape pole simultaneously to make second 21 of L shape pole can follow the removal of ejector pad 8 and carry out the shutoff to the mouth 18 of moulding plastics, prevent to mould plastics remaining plastic drippage in the mouth 18, avoid causing the influence to mouth of a river material ejection mechanism.

A straight spring 23 is fixedly arranged on the left side surface of the sliding block 22, and one end of the straight spring 23, which is far away from the sliding block 22, is fixedly arranged on the left side surface of the inner wall of the sliding groove 19; through setting up straight spring 23, utilize being connected between straight spring 23 and the slider 22 to make straight spring 23 can promote two 21 of L shape pole to carry out the shutoff to moulding plastics mouth 18, guarantee still can carry out the shutoff to moulding plastics mouth 18 when ejector pad 8 removes, avoid the plastic to delay causing the influence to ejector pad 8 because of two 21 of L shape poles.

When in use, the left mold 1 and the right mold 2 are firstly closed, the right mold 2 pushes the push rod 7 to move leftwards, then the push rod 7 drives the L-shaped rod I6 to move leftwards, so that the push block 8 moves leftwards, then injection molding is carried out through the injection molding opening 18, after injection molding and cooling are finished, the left mold 1 and the right mold 2 are opened, at the moment, the L-shaped rod I6 is reset by the elastic force of the gas spring 16, the push block 8, the push rod 7 and the reciprocating screw rod 10 are driven to move rightwards, the effect of delaying rotation of the reciprocating screw rod 10 can be achieved through the telescopic rod 15, so that the reciprocating screw rod 10 is ensured to rotate when the push block 8 is close to the right upper part of the scraping plate 13, the scraping plate 13 can be ensured to be contacted with the push block 8, the rotating rapidness and stability of the reciprocating screw rod 10 can be improved through the rolling bearing 14, the L-shaped rod II 21 can be driven to move rightwards to block the injection molding opening 18 through the movement of the push block 8, the straight spring 23 can ensure that the second L-shaped rod 21 can block the injection molding opening 18 when the push block 8 moves.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mouth of a river material ejection mechanism of plastic mould which characterized in that: the die comprises a left die (1) and a right die (2), wherein a first groove (3) and a second groove (4) are formed in the right side face of the left die (1), the second groove (4) is located under the first groove (3), a first cavity (5) is formed in the left die (1), the first groove (3) is communicated with the second groove (4) through the first cavity (5), the first groove (3), the second groove (4) and the first cavity (5) are internally provided with a same L-shaped rod (6) in a sliding mode through an elastic assembly, a push rod (7) is fixedly installed at the bottom end of the right side face of the first L-shaped rod (6), the push rod (7) is located in the second groove (4), a push block (8) is fixedly installed at the top end of the right side face of the first L-shaped rod (6), and the push block (8) is located in the first groove (3);

cavity two (9) have been seted up to the inside of left side mould (1), cavity two (9) are located the right side of cavity (5), the right flank of L shape pole (6) rotates through coupling assembling and installs reciprocal lead screw (10), the one end that L shape pole (6) were kept away from in reciprocal lead screw (10) passes the left surface and the fixed mounting of cavity two (9) inner wall has bull stick (11), two (9) interior fixed mounting of cavity have with reciprocal lead screw (10) assorted movable block (12), the one end that reciprocal lead screw (10) was kept away from in bull stick (11) passes the right flank and the fixed mounting of left side mould (1) has scraper blade (13), the left surface of scraper blade (13) is laminated with the right flank of ejector pad (8) mutually.

2. The sprue ejection mechanism of a plastic mold according to claim 1, wherein: coupling assembling includes antifriction bearing (14) and telescopic link (15), the right flank at L shape pole (6) is installed in the rotation of the one end of telescopic link (15) through antifriction bearing (14), the other end of telescopic link (15) and the one end fixed connection of reciprocal lead screw (10).

3. The sprue ejection mechanism of a plastic mold according to claim 1, wherein: the elastic assembly comprises a gas spring (16), one end of the gas spring (16) is fixedly installed on the left side face of the inner wall of the second groove (4), and the other end of the gas spring (16) is fixedly installed on the left side face of the first L-shaped rod (6).

4. The sprue ejection mechanism of a plastic mold according to claim 1, wherein: a placing groove (17) is formed in the right side face of the left die (1), and the reciprocating screw rod (10) is located at one end of the placing groove (17).

5. The sprue ejection mechanism of a plastic mold according to claim 1, wherein: injection molding mouth (18) have been seted up to the inside of left side mould (1), injection molding mouth (18) are linked together with recess (3), L shape through-hole (20) have been seted up to the inside wall of injection molding mouth (18), spout (19) have been seted up to the upper surface of ejector pad (8), the one end and spout (19) of L shape through-hole (20) are linked together, slidable mounting has two (21) of L shape pole in L shape through-hole (20), slidable mounting has slider (22) in spout (19), the one end fixed mounting of two (21) of L shape pole is at the upper surface of slider (22).

6. The sprue ejection mechanism of a plastic mold according to claim 5, wherein: the left side face of slider (22) fixed mounting has straight spring (23), slider (22) one end fixed mounting is kept away from in straight spring (23) left surface at spout (19) inner wall.