CN213107979U

CN213107979U - Single-nozzle needle valve structure for double-cylinder structure

Info

Publication number: CN213107979U
Application number: CN202020976023.7U
Authority: CN
Inventors: 姚盛
Original assignee: Suzhou Tuowo Hot Runner Technology Co ltd
Current assignee: Suzhou Tuowo Hot Runner Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-05-04
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a double cylinder structure is with single mouth needle valve structure, including first runner piece, needle and body, the top of first runner piece is provided with location structure, the inside of first runner piece is provided with the body, top one side of body is provided with the pull rod, the inside one side of first runner piece is provided with the second runner piece, the bottom of first runner piece is provided with first cylinder, the below of first cylinder is provided with the second cylinder. The utility model discloses a holding ring, fixed block, locating pin and standing groove have set gradually in location structure's inside, and the holding ring is fixed on the top of first-class road piece, and the inside of holding ring all is connected with the standing groove, and the inside of standing groove is provided with the locating pin, and during the use, the holding ring is connected at the top of first-class road piece, fixes equipment on the mould board through locating pin and fixed block, simple structure, and the operation of being convenient for has reduced staff's installation time, has increased the availability factor of equipment.

Description

Single-nozzle needle valve structure for double-cylinder structure

Technical Field

The utility model relates to a single-nozzle valve technical field specifically is a single-nozzle needle valve structure for double-cylinder structure.

Background

Along with the continuous improvement of industrial development, the hot nozzle of the mould used in industrial production is various, the single-nozzle needle valve structure for the existing double-cylinder structure mainly adopts double cylinders to drive a needle to move up and down, and the single-nozzle needle valve structure for the existing double-cylinder structure still has some problems, is inconvenient to position and greatly reduces the use stability.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional double-cylinder structure adopts a single-nozzle needle valve structure, so that the double-cylinder structure is inconvenient to fix on a mould plate, and the use efficiency is reduced;

(2) the traditional double-cylinder structure uses a single-nozzle needle valve structure, can not easily generate pressure with different sizes, and is not convenient to be applied to various products;

(3) in the traditional single-nozzle needle valve structure for the double-cylinder structure, a piston arranged inside the single-nozzle needle valve structure is seriously worn after being used for a long time, and can deform.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double cylinder structure is with single mouth needle valve structure to it is not convenient for fix a position, can not produce different size pressure and piston long-term use wearing and tearing and the serious problem of deformation easily to provide among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two cylinder structures are with single mouth needle valve structure, includes first runner piece, needle and body, the top of first runner piece is provided with location structure, the inside of first runner piece is provided with the body, top one side of body is provided with the pull rod, the inside one side of first runner piece is provided with second runner piece, the bottom of first runner piece is provided with first cylinder, the below of first cylinder is provided with the second cylinder, the equal all-round groove of fixedly connected with in both sides of second cylinder, one side fixedly connected with connecting plate of body, the both sides of connecting plate all are provided with the abrasionproof and decrease structure, the inside of body is provided with the needle, the core is chewed to the bottom fixedly connected with of needle, the bottom fixedly connected with runner department of chewing the core.

Preferably, the inside of location structure has set gradually holding ring, fixed block, locating pin and standing groove, holding ring fixed connection is on the top of first runner piece, the equal fixedly connected with standing groove in inside of holding ring, the inside of standing groove all is provided with the locating pin.

Preferably, the top end of the positioning pin is fixedly connected with a fixing block, and the width inside the placing groove is larger than the width outside the positioning pin.

Preferably, the diameter of the first cylinder is larger than that of the second cylinder, and the full circumferential grooves are symmetrically distributed about the vertical center line of the first cylinder.

Preferably, piston, rubber lug, reinforcing plate and connecting seat have been set gradually to the inside of abrasionproof decreases the structure, the piston all sets up the both sides at the connecting plate, equal fixedly connected with rubber lug on the lateral wall of piston, the equal fixedly connected with connecting seat in the inside both sides of piston, equal fixedly connected with reinforcing plate between the connecting seat.

Preferably, the rubber bumps are equal in size, and are arranged on the outer side wall of the piston at equal intervals.

Preferably, the inner diameter of the connecting seat is larger than the outer diameter of the reinforcing plate, the reinforcing plate is embedded in the connecting seat, and a clamping structure is formed between the reinforcing plate and the connecting seat.

Compared with the prior art, the beneficial effects of the utility model are that: the single-nozzle needle valve structure for the double-cylinder structure not only realizes a positioning structure, is convenient to fix and flexible to install the cylinder, but also can adopt cylinders with different cylinder diameters, can generate pressures with different sizes, is suitable for various products, realizes an anti-abrasion structure and prolongs the service life of equipment;

(1) the positioning structure is internally and sequentially provided with the positioning ring, the fixing block, the positioning pin and the placing groove, the positioning ring is fixed at the top end of the first runner block, the placing grooves are connected inside the positioning ring, the positioning pin is arranged inside the placing groove, when the positioning structure is used, the positioning ring is connected to the top of the first runner block, and equipment is fixed on the die plate through the positioning pin and the fixing block, so that the structure is simple, the operation is convenient, the installation time of workers is reduced, and the use efficiency of the equipment is increased;

(2) when the injection molding device is used, the valve needle opens the gate driver under the pushing of the first cylinder and the second cylinder, the solution flows into the first runner block and reaches the gate driver, after the injection molding is completed, the valve needle can close the gate driver under the action of the first cylinder and the second cylinder, the first cylinder and the second cylinder are installed at the bottom end of the first runner block, the diameters of the first cylinder and the second cylinder are different, the diameter of the first cylinder is larger than that of the second cylinder, different pressures can be generated, the injection molding device is suitable for various products, and the use applicability of the device is improved;

(3) through the inside at the abrasionproof decreases the structure and has set gradually the piston, rubber lug, reinforcing plate and connecting seat, the piston all sets up the both sides at the connecting plate, the external connection of piston has rubber lug, the inside both sides of piston are connected with the connecting seat, be connected with the reinforcing plate between the connecting seat, during the use, the outside contact of piston and connecting plate is used, the outside of piston is provided with multiunit rubber lug, rubber lug has avoided the contact on piston and connecting plate surface, frictional resistance has been reduced, it is serious to have protected piston wearing and tearing effectively, be provided with the multiunit reinforcing plate simultaneously in the inside of piston, the inner structure intensity of piston has been strengthened, it is serious to avoid long-term use back deformation, the use is influenced, the service.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic front view, partial cross-sectional structure of the first flow channel block of the present invention;

fig. 3 is a schematic top view of a partial structure of a first cylinder according to the present invention;

fig. 4 is a schematic view of the front view of the piston according to the present invention.

In the figure: 1. a positioning structure; 101. a positioning ring; 102. a fixed block; 103. positioning pins; 104. a placement groove; 2. a first flow channel block; 3. a pull rod; 4. a second flow path block; 5. a first cylinder; 6. an anti-wear structure; 601. a piston; 602. a rubber bump; 603. a reinforcing plate; 604. a connecting seat; 7. a second cylinder; 8. a valve needle; 9. a body; 10. a nozzle core; 11. a gate driver; 12. a full-circumference groove; 13. a connecting plate.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a single-nozzle needle valve structure for a double-cylinder structure comprises a first flow channel block 2, a valve needle 8 and a body 9, wherein a positioning structure 1 is arranged at the top end of the first flow channel block 2, the body 9 is arranged inside the first flow channel block 2, a pull rod 3 is arranged on one side of the top end of the body 9, a second flow channel block 4 is arranged on one side inside the first flow channel block 2, a connecting plate 13 is fixedly connected to one side of the body 9, anti-abrasion structures 6 are arranged on two sides of the connecting plate 13, the valve needle 8 is arranged inside the body 9, a nozzle core 10 is fixedly connected to the bottom end of the valve needle 8, and a sprue bush 11 is fixedly connected to the bottom end of the;

a positioning ring 101, a fixing block 102, a positioning pin 103 and a placing groove 104 are sequentially arranged in the positioning structure 1, the positioning ring 101 is fixedly connected to the top end of the first flow channel block 2, the placing groove 104 is fixedly connected to the inside of the positioning ring 101, the positioning pin 103 is arranged in the placing groove 104, the fixing block 102 is fixedly connected to the top end of the positioning pin 103, and the width of the inside of the placing groove 104 is larger than the width of the outside of the positioning pin 103;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, when in use, the positioning ring 101 is connected to the top of the first runner block 2, and the equipment is fixed on the die plate through the positioning pin 103 and the fixing block 102, so that the structure is simple, the operation is convenient, the installation time of workers is reduced, and the use efficiency of the equipment is increased;

the bottom end of the first flow channel block 2 is provided with a first cylinder 5, the type of the first cylinder 5 can be MXS16, a second cylinder 7 is arranged below the first cylinder 5, the type of the second cylinder 7 can be CA2B63-50, both sides of the second cylinder 7 are fixedly connected with a full-circumference groove 12, the diameter of the first cylinder 5 is larger than that of the second cylinder 7, and the full-circumference grooves 12 are symmetrically distributed around the vertical center line of the first cylinder 5;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, in use, the valve needle 8 opens the gate cap 11 under the pushing of the first cylinder 5 and the second cylinder 7, the melt flows into the first flow passage block 2 and reaches the gate cap 11, after the injection molding is completed, the valve needle 8 closes the gate cap 11 under the action of the first cylinder 5 and the second cylinder 7, the first cylinder 5 and the second cylinder 7 are installed at the bottom end of the first flow passage block 2, the cylinder diameters of the first cylinder 5 and the second cylinder 7 are different, the diameter of the first cylinder 5 is larger than that of the second cylinder 7, pressure with different sizes can be generated, the mechanism is suitable for various products, and the applicability of the use of the device is increased;

the piston 601, the rubber bumps 602, the reinforcing plate 603 and the connecting seats 604 are sequentially arranged in the anti-abrasion structure 6, the pistons 601 are all arranged on two sides of the connecting plate 13, the rubber bumps 602 are fixedly connected on the outer side wall of the piston 601, the rubber bumps 602 are equal in size, the rubber bumps 602 are arranged on the outer side wall of the piston 601 at equal intervals, the connecting seats 604 are fixedly connected on two sides of the interior of the piston 601, the inner diameter of the connecting seats 604 is larger than the outer diameter of the reinforcing plate 603, the reinforcing plate 603 is embedded in the connecting seats 604, a clamping structure is formed between the reinforcing plate 603 and the connecting seats 604, and the reinforcing plate 603 is fixedly connected between the connecting seats 604;

specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, when the mechanism is used, the piston 601 is in contact with the outside of the connecting plate 13, the outside of the piston 601 is provided with a plurality of groups of rubber bumps 602, the rubber bumps 602 avoid the contact between the piston 601 and the surface of the connecting plate 13, reduce the friction resistance, effectively protect the piston 601 from being seriously worn, and meanwhile, a plurality of groups of reinforcing plates 603 are arranged inside the piston 601, so that the internal structural strength of the piston 601 is enhanced, the phenomenon that the piston 601 is seriously deformed after long-term use to influence the use is avoided, and the service life of the equipment is prolonged.

The working principle is as follows: the utility model discloses when using, at first, during the use, holding ring 101 is connected at the top of first runner piece 2, fixes equipment on the mould board through locating pin 103 and fixed block 102, simple structure, and the operation of being convenient for has reduced staff's installation time, has increased the availability factor of equipment.

Later, when using, the valve needle 8 opens the gate department 11 under the promotion of first cylinder 5 and second cylinder 7, and the melt flows into the inside of first flow path piece 2, reaches gate department 11, and after accomplishing the moulding plastics, valve needle 8 just can close gate department 11 under the effect of first cylinder 5 and second cylinder 7, and first cylinder 5 and second cylinder 7 install the bottom of first flow path piece 2, and the cylinder diameter of first cylinder 5 and second cylinder 7 is different, and the diameter of first cylinder 5 is greater than the diameter of second cylinder 7, can produce the pressure of different size, is applicable to on various products, has increased the suitability that equipment used.

Finally, when the piston 601 is used, the piston 601 is in contact with the outside of the connecting plate 13, multiple groups of rubber bumps 602 are arranged on the outside of the piston 601, the rubber bumps 602 avoid the contact between the piston 601 and the surface of the connecting plate 13, the friction resistance is reduced, the piston 601 is effectively protected from being seriously worn, meanwhile, multiple groups of reinforcing plates 603 are arranged in the piston 601, the internal structural strength of the piston 601 is enhanced, the serious deformation after long-term use is avoided, the use is not affected, and the service life of the equipment is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a two cylinder structures are with single mouth needle valve structure, includes first runner piece (2), needle (8) and body (9), its characterized in that: the top end of the first runner block (2) is provided with a positioning structure (1), the first runner block (2) is internally provided with a body (9), a pull rod (3) is arranged on one side of the top end of the body (9), a second flow passage block (4) is arranged on one side of the interior of the first flow passage block (2), a first cylinder (5) is arranged at the bottom end of the first flow passage block (2), a second cylinder (7) is arranged below the first cylinder (5), both sides of the second cylinder (7) are fixedly connected with a full-circumference groove (12), one side of the body (9) is fixedly connected with a connecting plate (13), two sides of the connecting plate (13) are respectively provided with an anti-abrasion structure (6), the novel needle-shaped nozzle is characterized in that a valve needle (8) is arranged inside the body (9), the bottom end of the valve needle (8) is fixedly connected with a nozzle core (10), and the bottom end of the nozzle core (10) is fixedly connected with a pouring gate driver (11).

2. The single nozzle needle valve structure for a dual cylinder structure as set forth in claim 1, wherein: the positioning structure is characterized in that a positioning ring (101), a fixing block (102), a positioning pin (103) and a placing groove (104) are sequentially arranged inside the positioning structure (1), the positioning ring (101) is fixedly connected to the top end of the first flow channel block (2), the placing groove (104) is fixedly connected to the inside of the positioning ring (101), and the positioning pin (103) is arranged inside the placing groove (104).

3. The single nozzle needle valve structure for a double cylinder structure as set forth in claim 2, wherein: the top end of the positioning pin (103) is fixedly connected with a fixing block (102), and the width inside the placing groove (104) is larger than the width outside the positioning pin (103).

4. The single nozzle needle valve structure for a dual cylinder structure as set forth in claim 3, wherein: the diameter of the first cylinder (5) is larger than that of the second cylinder (7), and the full circumferential grooves (12) are symmetrically distributed around the vertical center line of the first cylinder (5).

5. The single nozzle needle valve structure for a dual cylinder structure as set forth in claim 1, wherein: piston (601), rubber lug (602), reinforcing plate (603) and connecting seat (604) have set gradually to the inside of abrasionproof decreases structure (6), piston (601) all sets up the both sides in connecting plate (13), equal fixedly connected with rubber lug (602) on the lateral wall of piston (601), equal fixedly connected with connecting seat (604) in the inside both sides of piston (601), equal fixedly connected with reinforcing plate (603) between connecting seat (604).

6. The single nozzle needle valve structure for a dual cylinder structure as set forth in claim 5, wherein: the sizes of the rubber lugs (602) are equal, and the rubber lugs (602) are arranged on the outer side wall of the piston (601) at equal intervals.

7. The single nozzle needle valve structure for a dual cylinder structure as set forth in claim 6, wherein: the inner diameter of the connecting seat (604) is larger than the outer diameter of the reinforcing plate (603), the reinforcing plate (603) is embedded in the connecting seat (604), and a clamping structure is formed between the reinforcing plate (603) and the connecting seat (604).