Anti-blocking hot runner valve needle sleeve

Abstract

The utility model discloses an anti-blocking hot runner valve needle sleeve which comprises a valve needle structure, a feeding pipe, a valve sleeve, a discharging pipe and a magnetic attraction ring, the side end of the feeding pipe is communicated with the valve sleeve, the lower end of the valve sleeve is communicated with the discharging pipe, the side portion of the upper end of the valve sleeve is fixedly connected with the magnetic attraction ring, and the center of the valve sleeve is connected with the valve needle structure in a sliding mode. The valve needle structure comprises a communication control component, a protective sleeve, an adsorption block, a needle tube and a butt joint shaft sleeve, the adsorption block is fixedly connected to the lower end of the protective sleeve, the butt joint shaft sleeve is fixedly connected to the lower portion of the center of the protective sleeve, and the needle tube is fixedly connected to the lower end of the center of the butt joint shaft sleeve. And a communication control part is mounted in the protective sleeve, the butt joint shaft sleeve and the needle tube in a limiting manner. The utility model relates to an anti-blocking hot runner valve needle sleeve, which achieves the purpose of internal cleaning treatment through the structural arrangement.

Description

Technical Field

[0001] The utility model relates to the technical field of hot runner valve needle sleeve equipment, in particular to an anti-blocking hot runner valve needle sleeve. Background Art

[0002] Hot runner systems are generally used in injection molds. They use heating to ensure that the plastic in the runner and gate remains in a molten state. Hot runner systems are generally composed of hot nozzles, manifolds, temperature control boxes, and accessories. Hot nozzles generally include two types: open hot nozzles and needle valve hot nozzles. Since the type of hot nozzle directly determines the selection of hot runner systems and mold manufacturing, hot runner systems are often divided into open hot runner systems and needle valve hot runner systems accordingly.

[0003] However, the current anti-blocking hot runner valve needle sleeve has the following problems: it is inconvenient to perform fitting regulation, so that when the anti-blocking hot runner valve needle sleeve moves, there will be dead angles, which is not conducive to cleaning and needs to be improved. Utility Model Content

[0004] The purpose of the present utility model is to provide an anti-blocking hot runner valve needle sleeve to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: an anti-blocking hot runner valve needle sleeve, comprising a valve needle structure, an inlet pipe, a valve sleeve, a discharge pipe, and a magnetic ring, wherein the side end of the inlet pipe is connected to the valve sleeve, the lower end of the valve sleeve is connected to the discharge pipe, the upper end side of the valve sleeve is fixedly connected to the magnetic ring, and the center of the valve sleeve is slidably connected to the valve needle structure;

[0006] The valve needle structure includes a communication control component, a protective sleeve, an adsorption block, a needle tube and a docking sleeve. The lower end of the protective sleeve is fixedly connected to the adsorption block, the lower center part of the protective sleeve is fixedly connected to the docking sleeve, the lower center end of the docking sleeve is fixedly connected to the needle tube, and the internal limiters of the protective sleeve, the docking sleeve and the needle tube are installed with a communication control component.

[0007] Specifically, the communication control component includes a ventilation hose, a fixed through-tube and a silicon capsule. The lower end of the ventilation hose is connected to the fixed through-tube, and the lower end of the fixed through-tube is connected to the silicon capsule.

[0008] Specifically, the silicon capsule is arranged inside the groove opened on the needle tube.

[0009] Specifically, the fixed through tube is connected to the needle tube, the docking sleeve, and the protective sleeve.

[0010] Specifically, the ventilation hose is communicated with the external air guide valve, and the ventilation hose is communicated with the silicon capsule through a fixed through pipe.

[0011] Specifically, the silicon capsule is ventilated and expandable, and the silicon capsule is heat-resistant.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. By installing the feed pipe, the side end of the feed pipe is connected to the discharge pipe through the valve sleeve, and the valve needle structure can be slid and adjusted on the valve sleeve to control the connection condition, and the magnetic ring on the valve sleeve is adapted to the valve needle structure and can be adsorbed and connected, and an adsorption block is provided on the protective sleeve inside the valve needle structure, which can be adsorbed with the magnetic ring. When the equipment is out of use, it can be adsorbed and fixed to prevent displacement.

[0014] 2. By installing the connecting control component, the ventilation hose in the connecting control component is connected to the silicone capsule through a fixed pipe. Under ventilation conditions, the silicone capsule can expand, thereby cleaning the inside of the valve sleeve to prevent blockage. In addition, the silicone capsule has strong heat resistance, and the temperature of the transmitted material is lower than the melting point of the silicone capsule, so hot melting will not occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the valve needle structure of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of the communication control component of the utility model.

[0018] In the figure: 1-valve needle structure; 2-feeding pipe; 3-valve sleeve; 4-discharge pipe; 5-magnetic ring; 6-connection control component; 7-protective sleeve; 8-adsorption block; 9-needle tube; 11-docking shaft sleeve; 12-vent hose; 13-fixed through pipe; 14-silicon capsule. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-3The utility model provides a technical scheme: a kind of anti-blocking hot runner valve needle sleeve, including valve needle structure 1, inlet pipe 2, valve sleeve 3, discharge pipe 4 and magnetic attraction ring 5, inlet pipe 2 side end intercommunication is equipped with valve sleeve 3, the lower end of valve sleeve 3 is equipped with discharge pipe 4, the upper end side of valve sleeve 3 is fixedly connected with magnetic attraction ring 5, the center of valve sleeve 3 is slidably connected with valve needle structure 1;

[0021] Valve needle structure 1 includes intercommunication control component 6, protective sleeve 7, adsorption block 8, needle tube 9 and butt joint shaft sleeve 11, the lower end of protective sleeve 7 is fixedly connected with adsorption block 8, the center lower part of protective sleeve 7 is fixedly connected with butt joint shaft sleeve 11, the center lower end of butt joint shaft sleeve 11 is fixedly connected with needle tube 9, the inside of protective sleeve 7, butt joint shaft sleeve 11, needle tube 9 is limitedly installed intercommunication control component 6, by installing inlet pipe 2, inlet pipe 2 side end is communicated with discharge pipe 4 by valve sleeve 3, and valve needle structure 1 can be slidably adjusted on valve sleeve 3, to control intercommunication, and magnetic attraction ring 5 on valve sleeve 3 is adaptively set with valve needle structure 1, can be adsorbed and connected, and adsorption block 8 is equipped on the protective sleeve 7 in valve needle structure 1, can be adsorbed with magnetic attraction ring 5, can be adsorbed and fixed when equipment is disabled, prevent displacement.

[0022] Intercommunication control component 6 includes air hose 12, fixed pipe 13 and silica gel capsule 14, the lower end of air hose 12 is equipped with fixed pipe 13, the lower end of fixed pipe 13 is equipped with silica gel capsule 14, by installing intercommunication control component 6, air hose 12 in intercommunication control component 6 is communicated with silica gel capsule 14 by fixed pipe 13, in the case of ventilation, silica gel capsule 14 can expand, to clean processing in valve sleeve 3, prevent blocking phenomenon, and silica gel capsule 14 has strong heat resistance, and the temperature of the material body transmitted is lower than the melting point of silica gel capsule 14, and no hot melt phenomenon occurs.

[0023] Silica gel capsule 14 is arranged in the groove inside on needle tube 9.

[0024] Fixed pipe 13 is through with needle tube 9, butt joint shaft sleeve 11, protective sleeve 7.

[0025] Air hose 12 is communicated with outside air guide valve, and air hose 12 is communicated with silica gel capsule 14 by fixed pipe 13.

[0026] Silica gel capsule 14 is ventilated and expanded, and silica gel capsule 14 has heat resistance.

[0027] Working principle: When work is required, the user installs the device on the mold, connects it to the valve needle structure 1 through the external telescopic control device, controls the position of the valve needle structure 1 on the valve sleeve 3, and at the same time, the feed pipe 2 can introduce the material, and the material is conducted to the discharge pipe 4 through the valve sleeve 3. When the valve needle structure 1 descends, the internal space is closed, and when it rises, the internal space is opened. The protective sleeve 7, adsorption block 8, docking shaft sleeve 11, and needle tube 9 in the valve needle structure 1 are fixed and slide on the valve sleeve 3, and the adsorption block 8 can be adsorbed with the magnetic ring 5 When it reaches the bottom position, it can be adsorbed. In the absence of external force, it cannot be separated, which is convenient for sealing protection. The ventilation hose 12 is connected to the external air guide valve, and the air guide valve is connected to the pump body. When cleaning is required, the ventilation hose 12 is ventilated and introduced into the fixed through tube 13 and the silicon capsule 14 position, so that the silicon capsule 14 expands to perform cleaning work inside the valve sleeve 3. A heating wire is also provided in the needle tube 9, which can heat the needle tube 9 to prevent the material from sticking to the needle tube 9 and the gap position to complete the work.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-blocking hot runner valve needle sleeve, characterized by: It comprises a valve needle structure (1), an inlet pipe (2), a valve sleeve (3), an outlet pipe (4) and a magnetic ring (5), wherein the side end of the inlet pipe (2) is connected to the valve sleeve (3), the lower end of the valve sleeve (3) is connected to the outlet pipe (4), the upper end side of the valve sleeve (3) is fixedly connected to the magnetic ring (5), and the center of the valve sleeve (3) is slidably connected to the valve needle structure (1); The valve needle structure (1) includes a connection control component (6), a protective sleeve (7), an adsorption block (8), a needle tube (9) and a docking sleeve (11), the lower end of the protective sleeve (7) is fixedly connected to the adsorption block (8), the lower center portion of the protective sleeve (7) is fixedly connected to the docking sleeve (11), the lower center end of the docking sleeve (11) is fixedly connected to the needle tube (9), and the internal limit of the protective sleeve (7), the docking sleeve (11) and the needle tube (9) is installed with a connection control component (6).

2. The anti-blocking hot runner valve needle sleeve according to claim 1, characterized in that: The communication control component (6) comprises a ventilation hose (12), a fixed through-tube (13) and a silicon capsule (14); the lower end of the ventilation hose (12) is connected to the fixed through-tube (13), and the lower end of the fixed through-tube (13) is connected to the silicon capsule (14).

3. The anti-blocking hot runner valve needle sleeve according to claim 2, characterized in that: The silicon capsule (14) is arranged inside a groove opened on the needle tube (9).

4. The anti-blocking hot runner valve needle sleeve according to claim 3, characterized in that: The fixed through tube (13) is connected to the needle tube (9), the docking sleeve (11), and the protective sleeve (7).

5. The anti-blocking hot runner valve needle sleeve according to claim 4, characterized in that: The ventilation hose (12) is communicated with an external air guide valve, and the ventilation hose (12) is communicated with a silicon capsule (14) through a fixed through pipe (13).

6. The anti-blocking hot runner valve needle sleeve according to claim 5, characterized in that: The silicon capsule (14) is ventilated and expanded, and the silicon capsule (14) is heat-resistant.

Images