Hot runner color changing nozzle convenient to disassemble and assemble quickly

Abstract

The utility model relates to the technical field of hot runner color changing nozzles, in particular to a hot runner color changing nozzle convenient to quickly disassemble and assemble, which comprises a mounting disc, a nozzle assembly is arranged on the side surface of the mounting disc, a flow guide assembly is arranged at the top of the mounting disc, and a mounting ring, a nozzle body, a sealing clamping groove, a sealing strip, a fixing rod and a mounting through hole are matched for use. The mounting ring and the nozzle body are connected in an inserted mode through the fixing rod, so that the nozzle body is more convenient to mount and dismount, the sealing strip is embedded into the sealing clamping groove, leakage of a hot melting material is effectively prevented, meanwhile, the situation that the top of the nozzle body is loosened or insufficient in sealing in the using process is avoided, the mounting through hole communicates with the flow dividing pipe, and the sealing effect is good. And the adjusting rod can be driven to rotate by rotating the adjusting knob, then opening and closing of the ball valve body are controlled, accurate adjustment of the flow of the hot melting material in the flow dividing pipe is achieved, and the color changing efficiency and the injection precision of the color changing nozzle are effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of hot runner color-changing nozzle technology, and in particular to a hot runner color-changing nozzle that is easy to assemble and disassemble quickly. Background Technology

[0002] Hot runner nozzles are devices that inject hot melt materials into the cavity of a mold. Different properties of hot melt materials require hot runner nozzles with different performance requirements. Hot runner systems have strict requirements for hot nozzles, especially for the isothermal performance and precision requirements of the main runner, branch runners and hot nozzles.

[0003] Existing technologies, such as CN217346486U, provide a hot runner color-changing nozzle that is easy to assemble and disassemble quickly. By providing a disassembly and assembly mechanism, after the nozzle body is fitted onto the outside of the mounting block, the limiting block can be rotated sequentially to press against the outside of the nozzle body, thereby installing the nozzle body on the outside of the mounting block. This makes the color-changing nozzle more convenient to assemble and disassemble and easier to use.

[0004] However, this nozzle still has some shortcomings in its use:

[0005] 1. The nozzle is not easy to install and position quickly, and the stability of the top mounting block is not high. The installation and disassembly process takes a long time, which affects production efficiency. The mounting block is prone to loosening or insufficient sealing, which affects the normal operation of the hot runner nozzle.

[0006] 2. The existing hot runner color-changing nozzles are inconvenient to use when filling the nozzles. When it is necessary to frequently change hot melt materials of different colors, the existing hot runner color-changing nozzles are particularly inconvenient during the filling process, which not only reduces production efficiency but also increases the labor intensity of operators. Summary of the Invention

[0007] The purpose of this invention is to provide a hot runner color-changing nozzle that is easy to assemble and disassemble quickly, in order to solve the problems mentioned in the background art, such as the nozzle being inconvenient to install and position quickly, the unstable top mounting block, the long time consumption during installation and disassembly, the impact on production efficiency, the mounting block being prone to loosening or insufficient sealing, affecting the normal operation of the hot runner nozzle, and the inconvenience of filling the nozzle with material. When it is necessary to frequently change hot melt materials of different colors, the existing hot runner color-changing nozzle is particularly inconvenient during the filling process, which not only reduces production efficiency but also increases the labor intensity of operators.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A hot runner color-changing nozzle for easy and quick assembly and disassembly includes a mounting plate. A nozzle assembly is provided on the side of the mounting plate, and a flow guide assembly is provided on the top of the mounting plate. The nozzle assembly includes a mounting ring, a nozzle body is disposed within the mounting ring, a mounting cover is provided on the top of the nozzle body, a sealing strip is fixedly connected to the bottom of the mounting cover, a sealing groove is provided on the top of the mounting ring, the sealing strip extends into the sealing groove and engages with the sealing groove, the mounting cover abuts against the top edge of the nozzle body, and a fixing rod is provided on the side of the mounting ring. The fixing rod passes through the mounting ring and extends into the nozzle body, and the fixing rod is inserted into the mounting ring.

[0010] As a preferred embodiment of this utility model, the flow guiding component includes a flow guiding pipe fixedly connected to the top of the mounting plate, a flow diversion channel is opened on the side of the mounting plate, a flow diversion pipe is fixedly connected in the flow diversion channel, the flow diversion pipe communicates with the flow guiding pipe, an adjustment knob is provided on the top of the mounting plate, an adjustment rod is fixedly connected to the bottom of the adjustment knob, and the adjustment rod passes through the mounting plate and extends into the flow diversion pipe.

[0011] As a preferred embodiment of this utility model, the adjusting rod is rotatably connected to the mounting plate, and a ball valve body is fixedly connected to the end of the adjusting rod, the ball valve body being located inside the diversion pipe.

[0012] As a preferred embodiment of this utility model, the side of the mounting plate is provided with a connection notch, and the mounting ring extends into the connection notch and is fixedly connected thereto.

[0013] As a preferred embodiment of this utility model, the nozzle body has a mounting through hole on its side, the end of the diverter tube passes through the mounting ring and extends into the mounting through hole, and the diverter tube communicates with the nozzle body.

[0014] As a preferred embodiment of this utility model, a connecting flange is fixedly connected to the outer surface of the guide tube, and the connecting flange is made of brass.

[0015] As a preferred embodiment of this utility model, a gantry mounting bracket is fixedly connected to the top of the mounting plate, and a guide hole is provided on the top of the gantry mounting bracket, the guide hole being located directly above the guide pipe.

[0016] As a preferred embodiment of this utility model, five nozzle bodies are provided, and the five nozzle bodies are arranged in a circular array with the top center position of the mounting plate as the center position.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. In this utility model, by using the installation ring, nozzle body, installation cover, sealing groove, sealing strip, fixing rod, and installation through hole in combination, the installation ring and nozzle body are connected by the fixing rod, making the installation and disassembly of the nozzle body more convenient and accurate in positioning. The bottom of the installation cover is provided with a sealing groove, and the sealing strip is embedded in the sealing groove, which effectively prevents the leakage of hot melt material and avoids the top of the nozzle body from becoming loose or insufficiently sealed during use. The installation through hole is connected to the diversion pipe, which further enhances the stability during material injection.

[0019] 2. In this utility model, by setting up a guide pipe, a diverter pipe, an adjusting knob, an adjusting rod, and a ball valve body for coordinated use, the guide pipe and the diverter pipe are connected, and the adjusting knob is connected to the ball valve body through the adjusting rod. By rotating the adjusting knob, the adjusting rod can be rotated, thereby controlling the opening and closing of the ball valve body. This achieves precise adjustment of the flow rate of hot melt material inside the diverter pipe, effectively improving the color changing efficiency and spraying accuracy of the color changing nozzle. Its operation is simpler and faster, and production efficiency is improved. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the nozzle assembly structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the side structure of the mounting plate of this utility model;

[0023] Figure 4 This is a schematic diagram of the flow guiding component structure of this utility model.

[0024] In the diagram: 1-Mounting plate; 2-Nozzle assembly; 201-Mounting ring; 202-Nozzle body; 203-Sealing groove; 204-Mounting cover; 205-Sealing strip; 206-Mounting through hole; 207-Fixing rod; 3-Flow guide assembly; 301-Flow guide pipe; 302-Flow divider pipe; 303-Connecting notch; 304-Adjusting knob; 305-Adjusting rod; 306-Ball valve body; 4-Connecting flange; 5-Gantry mounting bracket; 6-Guide hole. Detailed Implementation

[0025] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0026] Please see Figures 1-4This utility model provides a hot runner color-changing nozzle that is easy to assemble and disassemble quickly. It includes a mounting plate 1, a nozzle assembly 2 on the side of the mounting plate 1, and a flow guide assembly 3 on the top of the mounting plate 1. The nozzle assembly 2 includes a mounting ring 201, a nozzle body 202 inside the mounting ring 201, a mounting cover 204 on the top of the nozzle body 202, and a sealing strip 205 fixedly connected to the bottom of the mounting cover 204. A sealing groove 203 is formed on the top of the mounting ring 201, and the sealing strip 205 extends into the sealing groove 203 and engages with it. The cap 204 abuts against the top edge of the nozzle body 202. A fixing rod 207 is provided on the side of the mounting ring 201. The fixing rod 207 passes through the mounting ring 201 and extends into the nozzle body 202. The fixing rod 207 is inserted into the mounting ring 201. A mounting through hole 206 is opened on the side of the nozzle body 202. The end of the diverter pipe 302 passes through the mounting ring 201 and extends into the mounting through hole 206. The diverter pipe 302 communicates with the nozzle body 202. Five nozzle bodies 202 are provided. The five nozzle bodies 202 are arranged in a ring array with the top center position of the mounting plate 1.

[0027] The nozzle body 202 ensures that the molten plastic can flow out smoothly, and the sealing groove 203 and sealing strip 205 effectively prevent plastic leakage.

[0028] In this embodiment, as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the flow guiding assembly 3 includes a flow guiding pipe 301 fixedly connected to the top of the mounting plate 1. A flow diversion channel is provided on the side of the mounting plate 1, and a flow diversion pipe 302 is fixedly connected within this channel. The flow diversion pipe 302 communicates with the flow guiding pipe 301. An adjustment knob 304 is provided on the top of the mounting plate 1, and an adjustment rod 305 is fixedly connected to the bottom of the adjustment knob 304. The adjustment rod 305 passes through the mounting plate 1 and extends into the flow diversion pipe 302. The adjustment rod 305 is rotatably connected to the mounting plate 1. A ball valve body 306 is fixedly connected to the end, and the ball valve body 306 is located inside the diversion pipe 302. A connection notch 303 is opened on the side of the mounting plate 1. The mounting ring 201 extends into the connection notch 303 and is fixedly connected to it. A connection flange 4 is fixedly connected to the outer surface of the diversion pipe 301. The connection flange 4 is made of brass. A gantry mounting bracket 5 is fixedly connected to the top of the mounting plate 1. A guide hole 6 is opened on the top of the gantry mounting bracket 5. The guide hole 6 is located directly above the diversion pipe 301.

[0029] The adjustment knob 304 can be rotated to drive the adjustment rod 305 and the ball valve body 306 to rotate, thereby precisely controlling the flow rate of the plastic.

[0030] The working process of this utility model is as follows: When using the hot runner color-changing nozzle designed in this scheme, which is easy to assemble and disassemble, first check whether the device is working properly and ensure that all components are firmly installed and undamaged. Fix the mounting plate 1 to the predetermined position through the gantry mounting bracket 5 and connect it to the hot runner system through the connecting flange 4. The nozzle assembly 2 is firmly installed on the mounting plate 1 through the mounting ring 201. The nozzle body 202 ensures that the molten plastic can flow out smoothly. The setting of the sealing groove 203 and the sealing strip 205 effectively prevents plastic leakage, ensuring the cleanliness of the working environment and the normal operation of the equipment. During operation, the guide pipe 301 is responsible for guiding the molten plastic into the diversion pipe 302, and the diversion pipe 302 adjusts the flow rate of the plastic as needed and injects it into the nozzle body 202. By rotating the adjustment knob 304, the adjustment rod 305 and the ball valve body 306 can be rotated, thereby precisely controlling the flow speed of the plastic, which not only improves the work efficiency, but also makes the color-changing process simpler and faster.

[0031] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without any inventive effort, and these embodiments will all fall within the scope of protection of this utility model.

Claims

1. A hot runner color-changing nozzle that is easy to assemble and disassemble quickly, comprising a mounting plate (1), characterized in that, The mounting plate (1) is provided with a nozzle assembly (2) on its side and a flow guide assembly (3) on its top. The nozzle assembly (2) includes a mounting ring (201), a nozzle body (202) is disposed inside the mounting ring (201), a mounting cover (204) is disposed on the top of the nozzle body (202), a sealing strip (205) is fixedly connected to the bottom of the mounting cover (204), a sealing groove (203) is opened on the top of the mounting ring (201), the sealing strip (205) extends into the sealing groove (203) and engages with the sealing groove (203), the mounting cover (204) abuts against the top edge of the nozzle body (202), a fixing rod (207) is disposed on the side of the mounting ring (201), the fixing rod (207) passes through the mounting ring (201) and extends into the nozzle body (202), and the fixing rod (207) is inserted into the mounting ring (201).

2. The hot runner color-changing nozzle according to claim 1, characterized in that, The flow guiding assembly (3) includes a flow guiding pipe (301) fixedly connected to the top of the mounting plate (1). A flow diversion channel is provided on the side of the mounting plate (1). A flow diversion pipe (302) is fixedly connected in the flow diversion channel. The flow diversion pipe (302) communicates with the flow guiding pipe (301). An adjustment knob (304) is provided on the top of the mounting plate (1). An adjustment rod (305) is fixedly connected to the bottom of the adjustment knob (304). The adjustment rod (305) passes through the mounting plate (1) and extends into the flow diversion pipe (302).

3. The hot runner color-changing nozzle according to claim 2, characterized in that, The adjusting rod (305) is rotatably connected to the mounting plate (1), and the end of the adjusting rod (305) is fixedly connected to the ball valve body (306), which is located inside the diversion pipe (302).

4. The hot runner color-changing nozzle according to claim 2, characterized in that, The mounting plate (1) has a connection notch (303) on its side, and the mounting ring (201) extends into the connection notch (303) and is fixedly connected to it.

5. A hot runner color-changing nozzle for easy and quick assembly / disassembly according to claim 2, characterized in that, The nozzle body (202) has a mounting through hole (206) on its side. The end of the diverter pipe (302) passes through the mounting ring (201) and extends into the mounting through hole (206). The diverter pipe (302) is connected to the nozzle body (202).

6. A hot runner color-changing nozzle for easy and quick assembly / disassembly according to claim 2, characterized in that, A connecting flange (4) is fixedly connected to the outer surface of the guide pipe (301).

7. A hot runner color-changing nozzle for easy and quick assembly / disassembly according to claim 1, characterized in that, The top of the mounting plate (1) is fixedly connected to a gantry mounting bracket (5), and a guide hole (6) is opened on the top of the gantry mounting bracket (5). The guide hole (6) is located directly above the guide pipe (301).

8. A hot runner color-changing nozzle for easy and quick assembly / disassembly according to claim 1, characterized in that, Five nozzle bodies (202) are provided, and the five nozzle bodies (202) are arranged in a ring array with the top center position of the mounting plate (1).

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