CN211202916U

CN211202916U - Valve nozzle with good sealing performance of oil cylinder system

Info

Publication number: CN211202916U
Application number: CN201921864932.5U
Authority: CN
Inventors: 雷立庆; 周娟; 肖逸永; 王东东
Original assignee: Suzhou Jingjiang Electromechanical Co ltd
Current assignee: Suzhou Jingjiang Electromechanical Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-08-07
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a belong to injection moulding device technical field, specifically be a valve nozzle that hydro-cylinder system leakproofness is good, including needle valve formula hot nozzle, needle valve formula hot nozzle lower extreme inner chamber is provided with the heating circle, needle valve formula hot nozzle right side is provided with the feed inlet, needle valve formula hot nozzle inner chamber top through connection has the main part, the upper end of main part antetheca is provided with slide mechanism, needle valve formula hot nozzle top left side fixedly connected with fixed plate, the antetheca of fixed plate sets up the handle, the main part reaches the effect of opening or closing to needle valve formula hot nozzle through reciprocating of handle; the main body is fixed through the interaction of the limiting rod and the limiting hole on the handle, and the situation that the needle valve type hot nozzle cannot be sealed due to the fact that a gap is formed between the main body and the needle valve type hot nozzle is avoided; through the action of the spring and the valve needle, the valve needle can still achieve the sealing effect when the valve needle is worn.

Description

Valve nozzle with good sealing performance of oil cylinder system

Technical Field

The utility model relates to a technical field of mould plastics specifically is a valve that hydro-cylinder system leakproofness is good is chewed.

Background

The hot runner mold has various forms according to different nozzle structure forms, the types are the same, but the processing technology and the implementation method of each manufacturer are greatly different, which determines the difference of the quality and the price of the hot runner system. Generally, the valve has an open type, a needle valve type and other special forms. The needle valve type hot nozzle is controlled by mechanical pneumatic or hydraulic pressure, the valve needle closes the pouring gate at the end of pressure maintaining, namely, the glue feeding system is closed when the product is not completely coagulated, and the forming period can be shortened.

After the valve needle is used for a long time, the valve needle is abraded, and the sealing performance is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve that hydro-cylinder system leakproofness is good is chewed to after the needle that proposes uses for a long time in solving above-mentioned background art, the needle can take place wearing and tearing, leads to the leakproofness to become poor problem.

In order to achieve the above object, the utility model provides a following technical scheme: a valve nozzle with good sealing performance of an oil cylinder system comprises a needle valve type hot nozzle, a heating ring is arranged in an inner cavity at the lower end of the needle valve type hot nozzle, a feeding hole is formed in the right side of the needle valve type hot nozzle, a main body is connected to the top of the inner cavity of the needle valve type hot nozzle in a penetrating mode, a sliding mechanism is arranged at the upper end of the front wall of the main body, a fixing plate is fixedly connected to the left side of the top end of the needle valve type hot nozzle, a handle is arranged on the front wall of the fixing plate, the right end of the handle is connected with the sliding mechanism, hole grooves are formed in the contact positions of the handle and the fixing plate, the hole grooves in the handle are connected with the hole grooves in the fixing plate through a connecting shaft, a limiting rod is arranged on the left side of the upper surface of the needle valve type hot nozzle, the utility model discloses a hot nozzle, including the body of rod, the bottom of the body of rod is seted up and is deposited the chamber, the upper end of depositing the chamber is provided with the baffle, baffle bottom fixedly connected with spring, the bottom fixedly connected with limiting plate of spring, limiting plate bottom fixedly connected with needle, it is provided with the hole site corresponding and looks adaptation with the needle to deposit the chamber bottom, the needle is the cylinder, corresponding and looks adaptation of needle and the hot nozzle lower extreme spout of needle valve formula.

Preferably, the limiting rod comprises a base, two limiting holes are formed in the upper end of the base, the two limiting holes correspond to the opening or closing heights of the valve nozzle respectively, and a second lock head corresponding to and matched with the limiting holes is arranged at the left end of the handle.

Preferably, the body is taller than the needle valve heated nozzle.

Preferably, the sliding mechanism comprises two sliding groove bases and two lock heads I, the sliding groove bases are arranged on the front side and the rear side of the main body, the two lock heads I are movably connected in the grooves of the sliding groove bases on the two sides, a fork frame is welded at the right end of the handle, the fork frame is clamped on the outer wall of the main body, and the front side wall and the rear side wall of the fork frame are respectively movably connected with the lock heads I on the front side and the rear side.

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

1) the main body achieves the opening or closing effect on the needle valve type hot nozzle through the up-and-down movement of the handle;

2) the main body is fixed through the interaction of the limiting rod and the limiting hole on the handle, and the situation that the needle valve type hot nozzle cannot be sealed due to the fact that a gap is formed between the main body and the needle valve type hot nozzle is avoided;

3) through the action of the spring and the valve needle, the valve needle can still achieve the sealing effect when the valve needle is worn.

Drawings

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

FIG. 2 is a schematic structural view of the valve mouth in an open state according to the present invention;

FIG. 3 is a schematic view of the structure of the stop lever of the present invention;

FIG. 4 is a schematic view of the main structure of the present invention;

fig. 5 is a schematic structural view of the sliding mechanism of the present invention.

In the figure: 1. the device comprises a needle valve type hot nozzle, a 2 heating ring, a 3 main body, a 31 rod body, a 32 baffle, a 33 spring, a 34 limit plate, a 35 valve needle, a 36 storage cavity, a 4 sliding mechanism, a 42 sliding groove base, a 41 lock head I, a 5 handle, a 6-hole groove, a 7 limit rod, a 71 lock head II, a 72 limit hole, a 73 base, an 8 rubber layer and a 9 fixing 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution:

a valve nozzle with good sealing performance of an oil cylinder system comprises a needle valve type hot nozzle 1, wherein a heating ring 2 is arranged in an inner cavity at the lower end of the needle valve type hot nozzle 1, so that a product is ensured not to be cooled in the inner cavity of the needle valve type hot nozzle 1;

the right side of the needle valve type hot nozzle 1 is provided with a feeding hole, the top of the inner cavity of the needle valve type hot nozzle 1 is connected with a main body 3 in a penetrating way, the upper end of the front wall of the main body 3 is provided with a sliding mechanism 4, the left side of the top end of the needle valve type hot nozzle 1 is fixedly connected with a fixing plate 9, the front wall of the fixing plate 9 is provided with a handle 5, the right end of the handle 5 is connected with the sliding mechanism 4, the contact parts of the handle 5 and the fixing plate 9 are provided with hole grooves 6, the hole grooves 6 on the handle 5 are connected with the hole grooves 6 on the fixing plate 9 through a connecting shaft, the left side of the upper surface of the needle valve type hot nozzle 1 is provided with a limiting rod 7, the limiting rod 7 is positioned on the left side of the fixing plate 9, the limiting rod 7 is connected with the handle 5, the left end of the handle 5 is wrapped with a, the bottom end of the spring 33 is fixedly connected with a limiting plate 34, the bottom end of the limiting plate 34 is fixedly connected with a valve needle 35, the bottom of the storage cavity 36 is provided with a hole position corresponding to and matched with the valve needle 35, the valve needle 35 is a cylinder, and the valve needle 35 corresponds to and is matched with the lower end nozzle of the needle valve type hot nozzle 1.

The limiting rod 7 comprises a base 73, two limiting holes 72 are formed in the upper end of the base 73, the two limiting holes 72 correspond to the opening or closing heights of the valve nozzle respectively, and a second lock head 71 which corresponds to and is matched with the limiting holes 72 is arranged at the left end of the handle 5.

The body 3 is higher than the needle valve type hot nozzle 1.

The sliding mechanism 4 comprises two sliding groove bases 42 and two locking heads 41, the sliding groove bases 42 are arranged on the front side and the rear side of the main body 3, the two locking heads 41 are movably connected in grooves of the sliding groove bases 42 on the two sides, a fork frame is welded at the right end of the handle 5 and is clamped on the outer wall of the main body 3, and the front side wall and the rear side wall of the fork frame are respectively movably connected with the locking heads 41 on the front side and the rear side.

The working principle is as follows:

when the injection molding machine is used, the handle 5 is pressed down and is mutually fixed with the limiting rod 7 through the limiting hole 72 to fix the main body 3, the valve needle 35 extends downwards under the action of the spring 33 but cannot be contacted with the needle valve type hot nozzle 1, materials are injected into a mold through the inner cavity of the needle valve type hot nozzle 1, when the injection molding machine is stopped, the handle 5 is lifted up and is mutually fixed with the limiting rod 7 through the limiting hole 72 to fix the main body 3, the valve needle 35 extends downwards under the action of the spring 33 to seal a discharge hole of the needle valve type hot nozzle 1, the valve needle 35 can close a pouring gate at the tail end of pressure, namely, when a product is not completely condensed, a glue inlet system is closed, and the molding cycle can be shortened.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 good valve of hydro-cylinder system leakproofness is chewed, includes needle valve formula hot nozzle (1), its characterized in that: the needle valve type hot nozzle (1) is provided with a heating ring (2) in an inner cavity at the lower end, a feeding hole is formed in the right side of the needle valve type hot nozzle (1), a main body (3) is connected to the top of the inner cavity of the needle valve type hot nozzle (1) in a penetrating manner, a sliding mechanism (4) is arranged at the upper end of the front wall of the main body (3), a fixing plate (9) is fixedly connected to the left side of the top end of the needle valve type hot nozzle (1), a handle (5) is arranged on the front wall of the fixing plate (9), the right end of the handle (5) is connected with the sliding mechanism (4), hole grooves (6) are formed in the contact positions of the handle (5) and the fixing plate (9), the hole grooves (6) in the handle (5) are connected with the hole grooves (6) in the fixing plate (9) through connecting shafts, a limiting rod (7) is arranged on the left side of the upper surface of, gag lever post (7) is connected with handle (5), handle (5) left end parcel has rubber layer (8), main part (3) are including the body of rod (31), needle (35), the bottom of the body of rod (31) has been seted up and has been deposited chamber (36), the upper end of depositing chamber (36) is provided with baffle (32), baffle (32) bottom fixedly connected with spring (33), the bottom fixedly connected with limiting plate (34) of spring (33), limiting plate (34) bottom fixedly connected with needle (35), it is provided with the hole site with corresponding and looks adaptation of needle (35) to deposit chamber (36) bottom, needle (35) are the cylinder, corresponding and looks adaptation of needle (35) and needle valve formula hot nozzle (1) lower extreme.

2. The valve nozzle of claim 1, wherein the valve nozzle has good sealing performance for the oil cylinder system, and is characterized in that: the limiting rod (7) comprises a base (73), two limiting holes (72) are formed in the upper end of the base (73), the two limiting holes (72) correspond to the opening or closing heights of the valve nozzle respectively, and a second lock head (71) which corresponds to the limiting holes (72) and is matched with the limiting holes (72) is arranged at the left end of the handle (5).

3. The valve nozzle of claim 1, wherein the valve nozzle has good sealing performance for the oil cylinder system, and is characterized in that: the height of the main body (3) is higher than that of the needle valve type hot nozzle (1).

4. The valve nozzle of claim 1, wherein the valve nozzle has good sealing performance for the oil cylinder system, and is characterized in that: the sliding mechanism (4) comprises two sliding groove bases (42) and two locking heads I (41), the sliding groove bases (42) are arranged on the front side and the rear side of the main body (3), the two locking heads I (41) are movably connected in grooves of the sliding groove bases (42) on the two sides, a fork frame is welded at the right end of the handle (5), the fork frame is clamped on the outer wall of the main body (3), and the front side wall and the rear side wall of the fork frame are respectively movably connected with the locking heads I (41) on the front side and the rear side.