CN210257062U - Novel end cap of hot runner - Google Patents

Abstract

The utility model discloses a novel end cap of hot runner, including cylindrical housing, be equipped with the chucking mechanism that is used for fixed casing position in the casing, the casing external fixation has cup jointed the inflation cover, the upper end fixedly connected with connecting block of casing, the diameter of connecting block is less than the diameter of casing, the upper end fixedly connected with end cap body of connecting block, the end cap body includes cylindrical shutoff head and the round platform shape head of gluing that from the top down set up, the upper end of shutoff head is equipped with the chamfer. The utility model discloses a set up the turning handle, can go into the draw-in groove with the threaded rod card in, connect firm and easy and simple to handle, labour saving and time saving is favorable to work efficiency's improvement, through setting up the round platform shape head of gluing, adopts the mode that the inclined plane was sealed and glues, greatly reduced end cap department possibility of leaking glue, through setting up the inflation cover, can make end cap and hot runner inner wall closely laminate, strengthen its leakproofness and fastness.

Description

Novel end cap of hot runner

Technical Field

The utility model relates to an injection mold technical field especially relates to a novel end cap of hot runner.

Background

The structure of the mold may vary widely depending on the type and properties of the plastic, the shape and structure of the plastic product, and the type of injection machine, but the basic structure is consistent. The mold mainly comprises a pouring system, a temperature adjusting system, a forming part and a structural part. Where the runner system and the molded part are the parts in direct contact with the plastic and vary with the plastic and the article, the most complex and variable part in the mold that requires the highest finish and precision of the finish. Wherein, the hot runner plug needs to be smooth and transition and seamless.

The existing hot runner plug has the following defects: 1. most of the screws are screwed and fixed by a plurality of screws, so that the assembly and disassembly are troublesome, time and labor are wasted, and the working efficiency is reduced; 2. the pressure in the hot runner is large, and the bolt is easy to loosen, so that the plug falls off, and the continuous operation of work cannot be guaranteed.

Disclosure of Invention

The utility model aims at solving the problem that the assembly and the disassembly are troublesome and the connection is unstable in the prior art, and providing a novel plug of hot runner that is easy and simple to handle to connect and stabilizes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel end cap of hot runner, includes cylindrical housing, be equipped with the chucking mechanism that is used for the fixed casing position in the casing, the casing external fixation has cup jointed the inflation cover, the upper end fixedly connected with connecting block of casing, the diameter of connecting block is less than the diameter of casing, the upper end fixedly connected with end cap body of connecting block, the end cap body includes cylindrical shutoff head and the round platform shape head of gluing that from the top down set up.

Preferably, the upper end of the plugging head is provided with a chamfer.

Preferably, the expansion sleeve is made of an aluminum alloy material.

Preferably, chucking mechanism includes and rotates the worm of being connected with the casing inside wall, the one end of worm runs through casing setting and fixedly connected with turning handle, be equipped with the threaded rod that the level set up in the casing, the threaded rod external screw thread has cup jointed the worm wheel, the worm wheel rotates with the inside wall of casing to be connected, threaded rod and casing sliding connection, the worm wheel is connected with the worm meshing, be equipped with on the hot runner pipe wall with threaded rod assorted draw-in groove.

Preferably, an air hole is formed in the housing, and the air hole communicates the inside and the outside of the housing.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up the turning handle, can go into the draw-in groove with the threaded rod card in, connect firm and easy and simple to handle, labour saving and time saving is favorable to work efficiency's improvement.

2. The utility model discloses a set up round platform shape head of gluing, adopt the inclined plane to glue the mode of gluing, greatly reduced end cap department leak the possibility of gluing.

3. The utility model discloses a set up the inflation cover, can make end cap and hot runner inner wall closely laminate, strengthen its leakproofness and fastness.

To sum up, the utility model discloses a set up the turning handle, can go into the draw-in groove with the threaded rod card in, connect firm and easy and simple to handle, labour saving and time saving is favorable to work efficiency's improvement, through setting up the round platform shape head of gluing, adopts the mode that the inclined plane was sealed and glues, greatly reduced end cap department leak gluey possibility, through setting up the inflation cover, can make end cap and hot runner inner wall closely laminate, strengthen its leakproofness and fastness.

Drawings

Fig. 1 is a schematic structural view of a new plug for a hot runner according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises a shell 1, an expansion sleeve 2, a connecting block 3, a blocking head 4, a rubber sealing head 5, a blocking head body 6, a worm 7, a rotating handle 8, a threaded rod 9, a worm wheel 10, a clamping groove 11 and an air hole 12.

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.

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 those 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a novel end cap of hot runner, including cylindrical casing 1, be equipped with the chucking mechanism that is used for fixed casing 1 position in the casing 1, it needs to explain, chucking mechanism includes the worm 7 of being connected with 1 inside wall rotation of casing, the one end of worm 7 runs through 1 setting of casing and fixedly connected with turning handle 8, threaded rod 9 that the level that is equipped with in the casing 1 set up, threaded rod 9 external screw thread has cup jointed worm wheel 10, worm wheel 10 rotates with the inside wall of casing 1 to be connected, threaded rod 9 and 1 sliding connection of casing, worm wheel 10 is connected with 7 meshing of worm, be equipped with on the hot runner pipe wall with 9 assorted draw-in groove 11, can go into threaded rod 9 card in draw-in groove 11 through rotating turning handle 8, connect firmly and easy and simple to handle, time saving.

The utility model discloses in, be equipped with gas pocket 12 in the casing 1, gas pocket 12 is with the inside and the outside intercommunication of casing 1, and 1 external fixation of casing has cup jointed the inflation cover 2, and it is worth mentioning that the inflation cover 2 is made by aluminum alloy material, and the aluminum alloy is 6061 magnalium, has higher coefficient of thermal expansion and good corrosion resistance, can make end cap and hot runner inner wall closely laminate, strengthens its leakproofness and fastness.

The utility model discloses in, casing 1's upper end fixedly connected with connecting block 3, connecting block 3's diameter is less than casing 1's diameter, connecting block 3's upper end fixedly connected with end cap body 6, casing 1, connecting block 3 and 6 integrated into one piece of end cap body, end cap body 6 includes cylindrical shutoff head 4 and the round platform shape head 5 that seals that from the top down set up, adopt the mode that the inclined plane sealed the glue, greatly reduced end cap department leak gluey possibility, it needs to notice, the upper end of shutoff head 4 is equipped with the chamfer, it is excessive to make the corner smooth.

The utility model discloses its functional principle is explained to following mode of operation of accessible: the utility model discloses during the installation, put into the corresponding hole of hot runner with this novel end cap, it rotates to rotate turning handle 8 and drive worm 7, it rotates to drive turbine 10, then drive threaded rod 9 and slide in casing 1, make threaded rod 9 card go into draw-in groove 11 then and fix casing 1, connect firm and easy and simple to handle, time saving and labor saving, be favorable to work efficiency's improvement, threaded rod 9 removes simultaneously, inhale casing 1 with the air of connecting block 3 with hot runner inner wall clearance department, form the vacuum, further strengthen its steadiness, round platform shape seals gluey head 5 department and adopts the mode that the inclined plane sealed the glue, greatly reduced end cap department leaks gluey possibility, inflation cover 2 thermal expansion, closely laminate with the hot runner inner wall, strengthen its leakproofness and fastness.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a novel end cap of hot runner, includes cylindrical casing (1), its characterized in that, be equipped with the chucking mechanism that is used for fixed casing (1) position in casing (1), casing (1) external fixation has cup jointed expansion sleeve (2), the upper end fixedly connected with connecting block (3) of casing (1), the diameter of connecting block (3) is less than the diameter of casing (1), the upper end fixedly connected with end cap body (6) of connecting block (3), cylindrical end cap body (4) and round platform shape head (5) of gluing that end cap body (6) set up from the top down include.

2. The new plug for hot runners according to claim 1, characterized in that the upper end of the plug head (4) is chamfered.

3. The new plug for hot runners according to claim 1, characterized in that said expansion shell (2) is made of aluminum alloy material.

4. The novel plug of hot runner according to claim 1, wherein the clamping mechanism comprises a worm (7) rotatably connected with the inner side wall of the casing (1), one end of the worm (7) penetrates through the casing (1) and is fixedly connected with a rotating handle (8), a horizontally arranged threaded rod (9) is arranged in the casing (1), a worm wheel (10) is sleeved on the outer thread of the threaded rod (9), the worm wheel (10) is rotatably connected with the inner side wall of the casing (1), the threaded rod (9) is slidably connected with the casing (1), the worm wheel (10) is meshed with the worm (7), and a clamping groove (11) matched with the threaded rod (9) is formed in the wall of the hot runner.

5. The new plug for hot runner according to claim 1, characterized in that the housing (1) is provided with air holes (12), and the air holes (12) communicate the inside and the outside of the housing (1).

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