Copper sleeve type hot nozzle with multiple nozzle cores

Abstract

The utility model relates to the technical field of hot nozzles, and discloses a multi-nozzle-core copper sleeve type hot nozzle which comprises a nozzle body shell, a main runner is arranged in the nozzle body shell, four auxiliary runners which are annularly and uniformly distributed are arranged at the discharging end of the main runner, nozzle cores are arranged in the discharging ends of the auxiliary runners, and the nozzle cores are arranged in the nozzle body shell. A fixed outer ring is arranged at the end, close to the nozzle core, of the exterior of the nozzle body shell, limiting grooves are formed in the two sides of the upper end of the interior of the fixed outer ring correspondingly, side frames are arranged on the two sides, close to the fixed outer ring, of the exterior of the nozzle body shell correspondingly, and side plates are rotationally installed in the side frames; limiting hooks are arranged at the ends, close to the limiting grooves, of the side plates, the limiting hooks are matched with the limiting grooves, and reset springs are arranged at the ends, away from the limiting hooks, of the interiors of the side plates. According to the utility model, the plurality of nozzle cores are convenient to disassemble and assemble through the fixed outer ring convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hot nozzle, concretely to a copper sleeve type hot nozzle of multiple nozzle cores. BACKGROUND

[0002] The copper sleeve type hot nozzle of multiple nozzle cores is a component used in the hot runner system, mainly used for ensuring that the plastic in the runner and the nozzle keeps in the molten state through heating. The design of the hot nozzle usually includes a hot nozzle body, a hot nozzle sleeve and a copper sleeve type heating ring sleeved on the hot nozzle body. A main runner and at least two branch runners are formed in the hot nozzle body, the branch runners are communicated with the main runner, the bottom end of the branch runner is provided with a nozzle core, the outer periphery of the nozzle core is provided with a thread, and the nozzle core is threadedly connected with the hot nozzle body.

[0003] When the nozzle core needs to be replaced, a tool needs to be used to rotate the nozzle core to disassemble it. However, with the increase in the number of nozzle cores, the number of nozzle cores that need to be disassembled increases, and when multiple nozzle cores need to be replaced, disassembly and assembly need to be performed multiple times, which is troublesome. Therefore, a copper sleeve type hot nozzle of multiple nozzle cores is proposed. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a copper sleeve type hot nozzle of multiple nozzle cores to solve the problems in the background art.

[0006] (II) Technical scheme

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a copper sleeve type hot nozzle of multiple nozzle cores, which comprises a nozzle body shell, the inside of the nozzle body shell is provided with a main runner, the discharge end of the main runner is provided with four branch runners which are uniformly distributed in a ring shape, the discharge end of the branch runner is internally provided with a nozzle core, one end of the outside of the nozzle body shell close to the nozzle core is provided with a fixed outer ring, the inside of the fixed outer ring is provided with a limiting groove on both sides of the upper end, both sides of the outside of the nozzle body shell close to the fixed outer ring are provided with side frames, the inside of the side frame is rotatably provided with a side plate, one end of the side plate close to the limiting groove is provided with a limiting hook, and the limiting hook is matched with the limiting groove, and the inside of the side plate away from the limiting hook is provided with a return spring.

[0008] Preferably, the inside of the fixed outer ring is provided with an inner connecting cylinder outside the nozzle core, and the inner connecting cylinder is connected with the fixed outer ring.

[0009] Preferably, the outside of the nozzle core is provided with an outer thread limiting cylinder inside the inner connecting cylinder, and the outer thread limiting cylinder is slidably connected with the nozzle core. The outer thread limiting cylinder rotates and rises in the inner connecting cylinder to lift the nozzle core so that the nozzle core is tightly combined with the branch runner.

[0010] Preferably, the outer thread limiting cylinder is connected with the inner connecting cylinder through thread cooperation, and the outer lower end of the outer thread limiting cylinder is provided with a transmission gear ring.

[0011] Preferably, the inner part of the fixed outer ring is provided with an adjusting ring close to the outer part of the transmission gear ring, and the adjusting ring is rotationally connected with the fixed outer ring, and the adjusting ring is used for driving the inner driving gear ring to rotate.

[0012] Preferably, the inner part of the adjusting ring is provided with an inner driving gear ring, and the inner driving gear ring is meshingly connected with the transmission gear ring, and the inner driving gear ring is used for driving the transmission gear ring to rotate.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a copper sleeve type heat nozzle with multiple nozzle cores, which has the following beneficial effects:

[0015] The utility model discloses a side plate with limiting hook cooperation reset spring makes it have automatic reset, and the combination of limiting hook and limiting groove makes the fixed outer ring convenient to disassemble, and then makes the nozzle core convenient to disassemble, and does not need to rotate and disassemble each nozzle core one by one, and the problem in the background art is solved. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the overall structure perspective drawing of the utility model;

[0017] Figure 2 It is the internal structure section view of the utility model;

[0018] Figure 3 It is the Figure 2 It is the local enlarged view of A area in the middle.

[0019] In the drawing: 1, nozzle body shell;2, main flow channel;3, nozzle core;4, side frame;5, side plate;6, reset spring;7, limiting hook;8, fixed outer ring;9, limiting groove;10, adjusting ring;11, inner driving gear ring;12, inner connecting cylinder;13, outer thread limiting cylinder;14, transmission gear ring;15, auxiliary flow channel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] The utility model provides a technical scheme, a copper cover type heat mouth of many mouth cores, please refer to Figure 1 、 Figure 2 and Figure 3 , including mouth body shell 1, the inside of mouth body shell 1 is provided with main flow channel 2, four subflow channels 15 along annular uniform distribution are installed to the discharge end of main flow channel 2, the inside of the discharge end of subflow channel 15 is provided with mouth core 3, the outside of mouth body shell 1 is close to the one end of mouth core 3 and is provided with fixed outer ring 8, the inside upper end both sides of fixed outer ring 8 are all provided with limiting groove 9, the outside of mouth body shell 1 is close to the both sides of fixed outer ring 8 and is provided with side frame 4, the inside rotation of side frame 4 is installed with side plate 5, the one end of side plate 5 close to limiting groove 9 is provided with limiting hook 7, and limiting hook 7 is matched with limiting groove 9, the inside of side plate 5 is provided with reset spring 6 away from the one end of limiting hook 7.

[0022] Please refer to Figure 3 , the inside of fixed outer ring 8 is provided with inner connecting cylinder 12 at the outside of mouth core 3, and inner connecting cylinder 12 is connected with fixed outer ring 8.

[0023] Please refer to Figure 3 , the outside of mouth core 3 is provided with outer thread limiting cylinder 13 at the inside of inner connecting cylinder 12, and outer thread limiting cylinder 13 is connected with mouth core 3 slidingly, and outer thread limiting cylinder 13 rotates and rises in inner connecting cylinder 12 to lift mouth core 3 to make it closely fit with subflow channel 15.

[0024] Please refer to Figure 3 , outer thread limiting cylinder 13 is connected with inner connecting cylinder 12 through thread cooperation, and the outside lower end of outer thread limiting cylinder 13 is provided with transmission gear ring 14.

[0025] Please refer to Figure 1 、 Figure 2 and Figure 3 , the inside of fixed outer ring 8 is provided with adjusting ring 10 close to the outside of transmission gear ring 14, and adjusting ring 10 is rotationally connected with fixed outer ring 8, and adjusting ring 10 is used to drive inner drive gear ring 11 to rotate.

[0026] Please refer to Figure 1 、 Figure 2 and Figure 3 , the inside of adjusting ring 10 is provided with inner drive gear ring 11, and inner drive gear ring 11 is meshed with transmission gear ring 14, and inner drive gear ring 11 is used to drive transmission gear ring 14 to rotate.

[0027] The scheme: when the core 3 needs to be disassembled, press the tail of the two side plates 5, the side plate 5 is turned over, and then the limiting hook 7 is turned over and separated from the limiting groove 9, the limiting of the fixed outer ring 8 is cancelled, then the fixed outer ring 8 is separated downward and extracted, the core 3 is separated from the body shell 1 with the fixed outer ring 8, so as to facilitate the disassembly of the whole body shell 1 and facilitate replacement, after replacing the new body shell 1, the fixed outer ring 8 and the body shell 1 are inserted, the limiting hook 7 enters the limiting groove 9, the tail of the side plate 5 is pushed by the reset spring 6 to make the limiting hook 7 combined with the limiting groove 9, rotate the adjusting ring 10, the inner drive gear ring 11 in the adjusting ring 10 drives the outer screw thread limiting cylinder 13 to rotate, the outer screw thread limiting cylinder 13 and the inner connecting cylinder 12 cooperate with the screw thread to convert the rotary motion of the outer screw thread limiting cylinder 13 into linear motion, and then lift the core 3 and the auxiliary flow channel 15 of the body shell 1 tightly.

[0028] It should be noted that in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying that there is any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-tube copper sheathed thermal tube, comprising a tube body shell, the inside of the tube body shell is provided with a main flow channel, the discharge end of the main flow channel is provided with four sub-flow channels which are uniformly distributed in a ring shape, the discharge end of the sub-flow channel is internally provided with a tube core, characterized in that: The outer end of the mouth shell is provided with a fixed outer ring, the inner upper end of the fixed outer ring is provided with a limiting groove on both sides, the outer sides of the mouth shell near the fixed outer ring are provided with side frames, the inner side of the side frame is rotatably installed with a side plate, the end of the side plate near the limiting groove is provided with a limiting hook, and the limiting hook is matched with the limiting groove, and the end of the side plate away from the limiting hook is provided with a return spring.

2. A multi-tipped copper sheathed hot bit as claimed in claim 1 wherein: The inner side of the fixed outer ring is provided with an inner connecting cylinder outside the mouth core, and the inner connecting cylinder is connected with the fixed outer ring.

3. A multi-tipped copper sheathed hot bit as defined in claim 2, wherein: The outer side of the mouth core is provided with an outer thread limiting cylinder inside the inner connecting cylinder, and the outer thread limiting cylinder is slidably connected with the mouth core.

4. A multi-tipped copper sheathed hot tip as defined in claim 3, wherein: The outer thread limiting cylinder and the inner connecting cylinder are connected through thread cooperation, and the outer end of the outer thread limiting cylinder is provided with a transmission gear ring.

5. A multi-tipped copper sheathed hot tip as defined in claim 4, wherein: The inner side of the fixed outer ring is provided with an adjusting ring outside the transmission gear ring, and the adjusting ring is rotatably connected with the fixed outer ring.

6. A multi-tipped copper sheathed hot tip as defined in claim 5, wherein: The inner side of the adjusting ring is provided with an inner drive gear ring, and the inner drive gear ring is meshingly connected with the transmission gear ring.

Images