High-temperature hot nozzle for hot runner

Abstract

The high-temperature hot nozzle comprises a hot nozzle body, the upper end of the hot nozzle body is fixedly connected with a connecting base, the lower end of the hot nozzle body is detachably connected with a nozzle tip, a material guide opening is formed in the outer wall of the hot nozzle body, and a spiral anti-blocking mechanism is installed in the hot nozzle body in a positioning mode. The spiral anti-blocking mechanism comprises an inner positioning sealing hole, a first adjusting threaded hole, a positioning ring block, a high-temperature-resistant sealing ring, a second adjusting threaded hole, an adjusting threaded rod, an upper control knob, a connecting rod, a spiral piece and a dredging sharp nozzle. According to the high-temperature hot nozzle for the hot runner, the spiral anti-blocking mechanism is arranged, so that the hot nozzle can be effectively prevented from being blocked due to material residues, wire drawing or other reasons in the use process, the smoothness of a hot runner system is ensured, the blocking frequency is reduced, the high-temperature hot nozzle can continuously run for a longer time, the shutdown cleaning time is shortened, and the production efficiency is improved. Therefore, the overall production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of high temperature hot nozzle, concretely to a hot runner high temperature hot nozzle. BACKGROUND

[0002] The hot runner high temperature hot nozzle is a kind of hot runner system component specially designed for high temperature environment, it is mainly used in injection molding process, ensure that molten plastic can flow smoothly under high temperature condition, and accurately inject into mould cavity, high temperature hot nozzle is the important component in hot runner system, can ensure the smooth progress of injection molding process under high temperature condition, improve product quality and production efficiency.

[0003] Common hot runner high temperature hot nozzle is not usually provided with anti-blocking device when using, high temperature hot nozzle can be blocked due to impurities in hot glue or hot glue cooling solidification in long-time use process, if hot nozzle is blocked, it can cause incomplete injection or unstable injection quality, and further affect the quality of final product, which can affect the normal work of hot runner, cause production efficiency to drop, bring certain adverse effect to people's use process, therefore, we provide a hot runner high temperature hot nozzle. UTILITY MODEL CONTENTS

[0004] The technical problem solved by the utility model is that, in view of the defects of the prior art, the utility model provides a hot runner high temperature hot nozzle, which has the advantages of anti-blocking and improved production efficiency, the spiral anti-blocking mechanism is provided, the positioning ring block is positioned on the inner side of the inner positioning sealing hole, the outer wall of the positioning ring block is provided with a high-temperature-resistant sealing ring to enhance the sealing performance, the upper control knob can be manually rotated, the adjusting screw rod is engaged between the second adjusting screw hole and the first adjusting screw hole, and the adjusting screw rod can be lifted and moved, so that the connecting rod is telescoped in the inner wall of the hot nozzle body, the lower end of the connecting rod is provided with a dredging sharp nozzle, and the outer wall is provided with a spiral fin to dredge the inside of the hot nozzle body, which can effectively prevent the hot nozzle from being blocked due to material residue, wire drawing or other reasons during use, ensure the smoothness of the hot runner system, reduce the frequency of blockage, allow continuous operation for a longer time, reduce the downtime for cleaning, and thus improve the overall production efficiency, and effectively solve the problems in the background art.

[0005] Technical scheme: in order to achieve the above purpose, the utility model adopts the technical scheme that a hot runner high temperature hot nozzle, including hot nozzle body, the upper end of the hot nozzle body is fixedly connected with connecting base, the lower end of the hot nozzle body is detachably connected with nozzle sharp, the outer wall of the hot nozzle body is provided with guide hole, the inside of the hot nozzle body is positioned and installed with spiral anti-blocking mechanism, the spiral anti-blocking mechanism includes inner positioning sealing hole, first adjusting screw hole, positioning ring block, high-temperature-resistant sealing ring, second adjusting screw hole, adjusting screw rod, upper control knob, connecting rod, spiral fin and dredging sharp nozzle.

[0006] Preferably, the upper end of the hot nozzle body is fixedly connected with the lower end of the connecting base, and the upper end of the nozzle tip is detachably connected with the lower end of the hot nozzle body through screw threads.

[0007] Preferably, the inner positioning sealing hole is arranged at the upper end of the connecting base, the first adjusting threaded hole is arranged at the inner wall of the hot nozzle body and penetrates the inner positioning sealing hole, the positioning ring block is located at the inner wall of the inner positioning sealing hole, and the high-temperature-resistant sealing ring is located at the outer wall of the positioning ring block.

[0008] Preferably, the second adjusting threaded hole is arranged at the inner wall of the positioning ring block, the upper control knob is located at the upper end of the adjusting threaded rod, the connecting rod is located at the lower end of the adjusting threaded rod, the helical fins are uniformly arranged on the outer wall of the connecting rod, and the dredging sharp nozzle is located at the lower end of the connecting rod.

[0009] Preferably, one side of the high-temperature-resistant sealing ring is attached to the outer wall of the positioning ring block through strong glue, the outer wall of the high-temperature-resistant sealing ring is fixedly connected with the inner wall of the inner positioning sealing hole, and the upper end of the adjusting threaded rod is fixedly connected with the lower end of the upper control knob.

[0010] Preferably, the lower end of the adjusting threaded rod is fixedly connected with the upper end of the connecting rod, the inner wall of the helical fin is fixedly connected with the outer wall of the connecting rod, the lower end of the connecting rod is fixedly connected with the upper end of the dredging sharp nozzle, and the outer wall of the adjusting threaded rod penetrates the inner walls of the second adjusting threaded hole and the first adjusting threaded hole and is connected through screw threads.

[0011] Beneficial effects: Compared with the prior art, the high-temperature hot nozzle for a hot runner has the following beneficial effects: the high-temperature hot nozzle for a hot runner is provided with a spiral anti-blocking mechanism, the positioning ring block is positioned on the inner side of the inner positioning sealing hole, the outer wall of the positioning ring block is provided with a high-temperature-resistant sealing ring to enhance the sealing performance, the upper control knob can be manually rotated, the adjusting threaded rod is engaged between the second adjusting threaded hole and the first adjusting threaded hole, can be lifted and lowered, thereby driving the connecting rod to extend and retract in the inner wall of the hot nozzle body, the lower end of the connecting rod is provided with a dredging sharp nozzle, and the outer wall of the connecting rod is provided with helical fins to dredge the inside of the hot nozzle body, the hot nozzle can be effectively prevented from being blocked due to material residues, wire drawing or other reasons during use, the smoothness of the hot runner system is ensured, the frequency of blockage is reduced, the hot runner can be continuously operated for a longer time, the cleaning time during shutdown is reduced, and the overall production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the high-temperature hot nozzle for a hot runner.

[0013] Figure 2Part structure schematic diagram of the high-temperature hot nozzle is shown.

[0014] Figure 3 Part structure exploded schematic diagram of the high-temperature hot nozzle is shown.

[0015] Figure 4 Part structure schematic diagram of the high-temperature hot nozzle is shown.

[0016] In the figure: 1, hot nozzle body; 2, connecting base; 3, spiral anti-blocking mechanism; 4, material guide opening; 5, nozzle tip; 301, inner positioning sealing hole; 302, No. 1 adjusting threaded hole; 303, positioning ring block; 304, high-temperature-resistant sealing ring; 305, No. 2 adjusting threaded hole; 306, adjusting threaded rod; 307, upper control knob; 308, connecting rod; 309, spiral piece; 310, dredging sharp nozzle. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0018] As Figures 1-4 shown, a high-temperature hot nozzle for hot runner includes a hot nozzle body 1, the upper end of the hot nozzle body 1 is fixedly connected with a connecting base 2, the lower end of the hot nozzle body 1 is detachably connected with a nozzle tip 5, a material guide opening 4 is formed in the outer wall of the hot nozzle body 1, a spiral anti-blocking mechanism 3 is positioned and installed inside the hot nozzle body 1, the spiral anti-blocking mechanism 3 includes an inner positioning sealing hole 301, a No. 1 adjusting threaded hole 302, a positioning ring block 303, a high-temperature-resistant sealing ring 304, a No. 2 adjusting threaded hole 305, an adjusting threaded rod 306, an upper control knob 307, a connecting rod 308, a spiral piece 309 and a dredging sharp nozzle 310, which can effectively prevent the hot nozzle from being blocked due to material residue, wire drawing or other reasons during use, ensure the smoothness of the hot runner system and reduce the frequency of blockage.

[0019] Further, the upper end of the hot nozzle body 1 is fixedly connected with the lower end of the connecting base 2, and the upper end of the nozzle tip 5 is detachably connected with the lower end of the hot nozzle body 1 through threads, facilitating disassembly and assembly.

[0020] Further, the inner positioning sealing hole 301 is formed in the upper end of the connecting base 2, the No. 1 adjusting threaded hole 302 is formed in the inner wall of the hot nozzle body 1 and penetrates the inner positioning sealing hole 301, the positioning ring block 303 is located on the inner wall of the inner positioning sealing hole 301, and the high-temperature-resistant sealing ring 304 is located on the outer wall of the positioning ring block 303, thereby enhancing the sealing performance.

[0021] Further, the second adjusting screw hole 305 is arranged on the inner wall of the positioning ring block 303, the upper control knob 307 is arranged on the upper end of the adjusting screw rod 306, the connecting rod 308 is arranged on the lower end of the adjusting screw rod 306, the spiral fins 309 are arranged on the outer wall of the connecting rod 308, and the dredging sharp nozzle 310 is arranged on the lower end of the connecting rod 308, which can be used for dredging the inside of the hot nozzle body 1.

[0022] Further, one side of the high-temperature-resistant sealing ring 304 is attached and positioned to the outer wall of the positioning ring block 303 by strong glue, the outer wall of the high-temperature-resistant sealing ring 304 is fixedly connected to the inner wall of the inner positioning sealing hole 301, and the upper end of the adjusting screw rod 306 is fixedly connected to the lower end of the upper control knob 307, so that the firmness is enhanced.

[0023] Further, the lower end of the adjusting screw rod 306 is fixedly connected to the upper end of the connecting rod 308, the inner wall of the spiral fin 309 is fixedly connected to the outer wall of the connecting rod 308, the lower end of the connecting rod 308 is fixedly connected to the upper end of the dredging sharp nozzle 310, and the outer wall of the adjusting screw rod 306 penetrates the inner walls of the second adjusting screw hole 305 and the first adjusting screw hole 302 and is connected by threads, so that the inside of the hot nozzle body 1 can be conveniently telescoped.

[0024] Working principle: a high-temperature hot nozzle for hot runner, comprising a hot nozzle body 1, a connecting base 2, a spiral anti-blocking mechanism 3, a material guiding port 4 and a nozzle tip 5, in use, the connecting base 2 can be used to connect the hot nozzle and the flow distribution plate, the material guiding port 4 is used to guide the material into the inside of the hot nozzle body 1, the nozzle tip 5 can send the material into the mold, through the spiral anti-blocking mechanism 3, the positioning ring block 303 is positioned on the inner side of the inner positioning sealing hole 301, the outer wall of the positioning ring block 303 has a high-temperature-resistant sealing ring 304 to enhance the sealing performance, the upper control knob 307 can be manually rotated, the adjusting screw rod 306 is engaged between the second adjusting screw hole 305 and the first adjusting screw hole 302, can be lifted and lowered, so as to drive the connecting rod 308 to telescopically move on the inner wall of the hot nozzle body 1, the lower end of the connecting rod 308 has the dredging sharp nozzle 310, and the outer wall has the spiral fin 309, which can dredge the inside of the hot nozzle body 1, can effectively prevent the hot nozzle from being blocked due to material residue, wire drawing or other reasons during use, ensure the smoothness of the hot runner system, reduce the frequency of blockage, can run for a longer time, reduce the downtime for cleaning, and thus improve the overall production efficiency.

[0025] It is to be noted that, in the present document, relational terms such as first and second, and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0026] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high temperature hot nozzle for hot runner, comprising a hot nozzle body (1), characterized in that: The upper end of the hot nozzle body (1) is fixedly connected with a connecting base (2), the lower end of the hot nozzle body (1) is detachably connected with a nozzle tip (5), the outer wall of the hot nozzle body (1) is provided with a material guiding opening (4), and the inside of the hot nozzle body (1) is positioned and mounted with a spiral anti-blocking mechanism (3).

2. The high temperature hot nozzle for hot runner as claimed in claim 1, wherein: The upper end of the hot nozzle body (1) is fixedly connected with the lower end of the connecting base (2), and the upper end of the nozzle tip (5) is detachably connected with the lower end of the hot nozzle body (1) through threads.

3. The high temperature hot nozzle for hot runner as claimed in claim 2, wherein: The inner positioning sealing hole (301) is arranged at the upper end of the connecting base (2), the first adjusting threaded hole (302) is arranged at the inner wall of the hot nozzle body (1) and penetrates the inner positioning sealing hole (301), the positioning ring block (303) is located at the inner wall of the inner positioning sealing hole (301), and the high-temperature-resistant sealing ring (304) is located at the outer wall of the positioning ring block (303).

4. The high temperature nozzle for hot runner applications of claim 3, wherein: The second adjusting threaded hole (305) is arranged at the inner wall of the positioning ring block (303), the upper control knob (307) is located at the upper end of the adjusting threaded rod (306), the connecting rod (308) is located at the lower end of the adjusting threaded rod (306), the spiral blades (309) are uniformly arranged on the outer wall of the connecting rod (308), and the dredging sharp nozzle (310) is located at the lower end of the connecting rod (308).

5. The high temperature hot nozzle for hot runner applications of claim 4, wherein: One side of the high-temperature-resistant sealing ring (304) is positioned and attached to the outer wall of the positioning ring block (303) through strong glue, the outer wall of the high-temperature-resistant sealing ring (304) is fixedly connected with the inner wall of the inner positioning sealing hole (301), and the upper end of the adjusting threaded rod (306) is fixedly connected with the lower end of the upper control knob (307).

6. The high temperature nozzle for hot runner applications of claim 5, wherein: The lower end of the adjusting threaded rod (306) is fixedly connected with the upper end of the connecting rod (308), the inner wall of the spiral blade (309) is fixedly connected with the outer wall of the connecting rod (308), the lower end of the connecting rod (308) is fixedly connected with the upper end of the dredging sharp nozzle (310), and the outer wall of the adjusting threaded rod (306) penetrates the inner walls of the second adjusting threaded hole (305) and the first adjusting threaded hole (302) and is connected through threads.

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