CN210011261U - Hot mouth of adjustable length hot runner and hot runner system - Google Patents

Hot mouth of adjustable length hot runner and hot runner system Download PDF

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Publication number
CN210011261U
CN210011261U CN201920320003.1U CN201920320003U CN210011261U CN 210011261 U CN210011261 U CN 210011261U CN 201920320003 U CN201920320003 U CN 201920320003U CN 210011261 U CN210011261 U CN 210011261U
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hot
runner
hot nozzle
nozzle
adjustable length
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CN201920320003.1U
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席连庆
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Qingdao Cheli Hot Runner System Co Ltd
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Qingdao Cheli Hot Runner System Co Ltd
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Abstract

The utility model belongs to the technical field of the hot runner, especially, relate to a hot mouth of adjustable length hot runner and hot runner system. The utility model aims to solve the technical problem that a not enough to prior art exists provides a two segmentation design hot mouths, realizes hot mouth length adjustable, convenient operation, can deal with the processing use of different requirements through the combination of upper and lower two hot mouths. In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a hot nozzle of a hot runner with adjustable length adopts two sections, and comprises a hot nozzle upper body and a hot nozzle lower body which are matched with each other. The hot nozzle is fastened through threaded connection, and the length of the hot nozzle is adjusted by adding an adjusting gasket; the existing processing procedure is effectively avoided, the processing time is saved, and the production efficiency is improved; aiming at the problems that the hot nozzle is expanded and the like, the hot nozzle can be solved by adjusting the length.

Description

Hot mouth of adjustable length hot runner and hot runner system
Technical Field
The utility model belongs to the technical field of the hot runner, especially, relate to a hot mouth of adjustable length hot runner and hot runner system.
Background
Hot runner systems are widely used in injection molds to inject molten plastic into a collection of heating assemblies in a mold cavity. The system has good application effect and low maintenance cost, but the system is complex in design and inconvenient to use in certain specific industries. According to market demands, companies decide to research and develop a hot nozzle with adjustable length, the production pressure can be relieved to a certain extent, and the hot nozzle can effectively deal with the mould processing errors caused by production reasons due to the fact that the length of the hot nozzle can be adjusted.
At present, the coverage of the hot runner mold is wider and wider, plastic products are increased day by day, and the yield of the mold is relatively increased. The requirement of the hot runner is gradually enlarged, and because products produced by each type of die are different, the point position and the length of the hot nozzle are not fixed, so each hot nozzle needs to be processed in a customized mode, the production pressure is high, and the delivery period cannot be guaranteed. Companies have decided to develop such a hot nozzle adjustable in length within a certain range and to perform mass production for each specification. Therefore, the required length of the die can be directly selected from the stock, and the existing processing procedure is omitted. The hot nozzle can also deal with the problems caused by the processing error of the die. Aiming at the problems of thermal expansion of the hot nozzle and the like, the problem that the actual thermal expansion amount is not standard enough is also improved due to the adjustable length of the hot nozzle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a not enough to prior art exists provides a two segmentation design hot mouths, realizes hot mouth length adjustable, convenient operation, can deal with the processing use of different requirements through the combination of upper and lower two hot mouths.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a hot runner hot nozzle with adjustable length adopts two sections, and comprises a hot nozzle upper body and a hot nozzle lower body which are matched with each other; the end part of the upper body of the hot nozzle is provided with an inner concave part, the end part of the lower body of the hot nozzle is provided with an outer convex part, and the inner concave part is in threaded connection with the outer convex part; and an adjusting gasket is arranged between the bottom surface of the inner concave part and the outer convex part.
Preferably, the outer peripheral wall of the upper body of the hot nozzle is provided with a first heater, and the outer peripheral wall of the lower body of the hot nozzle is provided with a second heater and a temperature sensing wire groove; an upper runner is arranged in the upper hot nozzle body, a lower runner is arranged in the lower hot nozzle body, and the upper runner is communicated with the lower runner.
Preferably, outer bellying periphery wall is equipped with the external screw thread, the internal perisporium of interior depressed part is equipped with the internal thread, internal thread and external screw thread cooperation.
Preferably, the circumferential direction of the joint of the front end of the outer convex part and the external thread is provided with a guide surface A, and the circumferential direction of the joint of the front end of the inner concave part and the internal thread is provided with a guide surface B matched with the guide surface A.
Preferably, the end part of the lower flow channel is provided with a butt joint hole, the end part of the butt joint hole is provided with a transition inclined plane, the transition inclined plane is inclined from inside to outside, and the end part of the transition inclined plane is connected with the inner circumferential wall of the upper flow channel.
Preferably, the length of the butt joint hole is 10 mm.
Preferably, the thickness of the adjusting gasket is 0.5 mm.
A hot-runner system comprising at least the adjustable length hot-runner hot nozzle of any of the above.
The utility model discloses adjustable length hot mouth of hot runner and hot runner system's advantage is:
1. the hot nozzle of the hot runner with the adjustable length and the hot runner system break through the traditional one-section design, the one-section design is divided into two sections, the two sections are connected and fastened through threads, and the length of the hot nozzle is adjusted by adding the adjusting gasket; the existing processing procedure is effectively avoided, the processing time is saved, and the production efficiency is improved; aiming at the problems that the hot nozzle is expanded and the like, the hot nozzle can be solved by adjusting the length.
2. The hot nozzle adopts a two-section design, wherein the lower body of the hot nozzle extends into the flow channel of the upper body of the hot nozzle, and the upper and lower sections of the hot nozzles are connected by threads; the diameter of the lower runner is smaller than that of the upper runner, the lower runner is inserted into the upper runner through a butt joint hole arranged at the front end of the lower runner, and a transition inclined plane is arranged at the front end of the butt joint hole to prevent the glue from flowing to generate dead angles.
3. The utility model discloses hot mouth of adjustable length hot runner and hot runner system, for the connection of the fixed hot mouth upper part of the body and the hot mouth lower part of the body of better, the mountable adjusting shim plays the fastening effect when controlling hot mouth length through adjusting shim, for example every adjusting shim designs certain thickness, fills up one or more gaskets according to the hot mouth length that needs the adjustment, then realizes the regulation of length and fixes through hot mouth upper part of the body and hot mouth lower part of the body screw thread.
4. The utility model discloses hot mouth of adjustable length hot runner and hot runner system, this hot mouth do not influence current heater and temperature sensing line and TIP, BUSH's use, only with the compound mode that hot mouth designed into two segmentations on the basis of current hot mouth body.
Drawings
FIG. 1 is a schematic view of the exploded structure of the hot nozzle of the present invention;
FIG. 2 is a schematic view of the hot nozzle assembly structure of the present invention;
FIG. 3 is a schematic view of the structure of the present invention showing the engagement between the guide surface A and the guide surface B;
fig. 4 is a schematic structural view of the hot runner system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Embodiment 1, as shown in fig. 1 and 2, a hot runner hot nozzle with adjustable length, which is in two segments, includes an upper hot nozzle body 1 and a lower hot nozzle body 2 that are matched with each other; the end part of the hot nozzle upper body 1 is provided with an inner concave part 1-4, the end part of the hot nozzle lower body 2 is provided with an outer convex part 2-3, and the inner concave part 1-4 is in threaded connection with the outer convex part 2-3; an adjusting gasket 3 is arranged between the bottom surface of the inner concave part 1-4 and the outer convex part 2-3. The hot nozzle breaks through the traditional one-section design, and the whole hot nozzle is adjusted in a manner that one section is split into two sections and one section is inserted into the other section.
Embodiment 2, on the basis of embodiment 1, as shown in fig. 1 and 2, the outer peripheral wall of the upper body 1 of the hot nozzle is provided with a first heater 1-2, and the outer peripheral wall of the lower body 2 of the hot nozzle is provided with a second heater 2-5 and a temperature-sensing wire slot 2-6; an upper runner 1-1 is arranged in the hot nozzle upper body 1, a lower runner 2-4 is arranged in the hot nozzle lower body 2, and the upper runner 1-1 is communicated with the lower runner 2-4. The two-section hot nozzle comprises an upper flow passage and a lower flow passage, wherein the lower flow passage 2-4 is inserted into the upper flow passage 1-1, and the upper flow passage and the lower flow passage are telescopically matched to form a flow passage for rubber to pass through.
Embodiment 3, on the basis of embodiment 1, as shown in fig. 1 and 2, the outer peripheral wall of the outer convex part 2-3 is provided with an external thread 2-1, the inner peripheral wall of the inner concave part 1-4 is provided with an internal thread 1-3, and the internal thread 1-3 is matched with the external thread 2-1.
Embodiment 4, on the basis of embodiment 3, as shown in fig. 1, 2 and 3, a guide surface a2-3-1 is arranged in the circumferential direction at the joint of the front end of the outer convex part 2-3 and the outer thread 2-1, and a guide surface B1-4-1 matched with the guide surface a2-3-1 is arranged in the circumferential direction at the joint of the front end of the inner concave part 1-4 and the inner thread 1-3. When the outer convex part 2-3 enters the inner concave part 1-4, the guide surface A2-3-1 and the guide surface B1-4-1 are matched and slide in, and the outer thread 2-1 is contacted with the inner thread 1-3 to be rotationally locked.
Example 5, on the basis of example 2, as shown in fig. 1 and 2, the end of the lower runner 2-4 is provided with a butt joint hole 2-2, the end of the butt joint hole 2-2 is provided with a transition bevel 2-2-1, the transition bevel 2-2-1 is inclined from inside to outside, and the end of the transition bevel 2-2-1 is connected with the inner circumferential wall of the upper runner 1-1. The transition inclined plane 2-2-1 is obliquely arranged, when the rubber material enters the lower runner 2-4 from the upper runner 1-1, the rubber material is connected to the lower runner 2-4 through the transition inclined plane 2-2-1, and the joint of the transition inclined plane 2-2-1 and the upper runner 1-1 can prevent the dead angle in the runner.
Example 6, on the basis of example 5, as shown in fig. 1 and 2, the length of the butt-joint hole 2-2 is 10 mm. The insertion of the butt joint hole 2-2 into the upper runner 1-1 needs to be ensured to be fixed by 5 mm. The numerical values defined herein are merely illustrative and not restrictive, but can be adjusted according to the proportions.
Example 7, on the basis of example 1, as shown in fig. 1 and 2, the thickness of the adjusting shim 3 is 0.5 mm. The numerical values defined herein are merely exemplary, are not limited to the embodiments, and can be adjusted as needed.
Embodiment 8, a hot-runner system comprising at least one adjustable-length hot-runner nozzle as described in any one of embodiments 1-7.
Instructions for use: as shown in figure 4, according to the using length of the hot nozzle, a required number of adjusting gaskets 3 are arranged between an upper hot nozzle body 1 and a lower hot nozzle body 2, the adjusting gaskets are locked and fixed through internal threads 1-3 and external threads 2-1, injection molding glue is connected with a hot runner system through a locating ring 5, the glue is injected into an injection nozzle runner 6-1 of an injection nozzle body 6 through an SR circular arc 7-1 on an injection nozzle head 7 and then injected into a flow distribution plate 4, the glue is poured into an upper runner 1-1 in the upper hot nozzle body 1 from the flow distribution plate 4 through a flow distribution plate runner 4-1, then is poured into a lower runner 2-4 through a transition inclined surface 2-2-1 of the lower hot nozzle body 2, and finally is poured into a mold cavity through a hot nozzle head 10 locked by a pressing cap 9 under the action of the vertical movement of a valve needle 8 to produce a plastic product.
The present invention has been described above by way of example with reference to the accompanying drawings, and it is to be understood that the specific implementations of the present invention are not limited to the above-described embodiments. The present invention can be modified or modified by those skilled in the art without departing from the technical idea of the present invention, and such modifications or modifications naturally fall within the scope of the present invention.

Claims (8)

1. The utility model provides a hot mouth of adjustable length hot runner which characterized in that: the hot nozzle adopts two sections and comprises a hot nozzle upper body (1) and a hot nozzle lower body (2) which are matched with each other; the end part of the hot nozzle upper body (1) is provided with an inner concave part (1-4), the end part of the hot nozzle lower body (2) is provided with an outer convex part (2-3), and the inner concave part (1-4) is in threaded connection with the outer convex part (2-3); an adjusting gasket (3) is arranged between the bottom surface of the inner concave part (1-4) and the outer convex part (2-3).
2. The adjustable length hot runner hot nozzle of claim 1, wherein: the outer peripheral wall of the hot nozzle upper body (1) is provided with a first heater (1-2), and the outer peripheral wall of the hot nozzle lower body (2) is provided with a second heater (2-5) and a temperature sensing wire groove (2-6); an upper runner (1-1) is arranged in the hot nozzle upper body (1), a lower runner (2-4) is arranged in the hot nozzle lower body (2), and the upper runner (1-1) is communicated with the lower runner (2-4).
3. The adjustable length hot runner hot nozzle of claim 1, wherein: the outer convex part (2-3) peripheral wall is provided with external threads (2-1), the inner peripheral wall of the inner concave part (1-4) is provided with internal threads (1-3), and the internal threads (1-3) are matched with the external threads (2-1).
4. The adjustable length hot runner hot nozzle of claim 3, wherein: the outer convex part (2-3) is provided with a guide surface A (2-3-1) at the joint of the front end of the outer convex part (2-3) and the outer thread (2-1) in the circumferential direction, and the inner concave part (1-4) is provided with a guide surface B (1-4-1) matched with the guide surface A (2-3-1) at the joint of the front end of the inner concave part (1-4) and the inner thread (1-3) in the circumferential direction.
5. The adjustable length hot runner hot nozzle of claim 2, wherein: the end part of the lower runner (2-4) is provided with a butt joint hole (2-2), the end part of the butt joint hole (2-2) is provided with a transition inclined plane (2-2-1), the transition inclined plane (2-2-1) is inclined from inside to outside, and the end part of the transition inclined plane (2-2-1) is connected with the inner circular wall of the upper runner (1-1).
6. The adjustable length hot runner hot nozzle of claim 5, wherein: the length of the butt joint hole (2-2) is 10 mm.
7. The adjustable length hot runner hot nozzle of claim 1, wherein: the thickness of the adjusting gasket (3) is 0.5 mm.
8. A hot-runner system, comprising: the hot runner system comprising at least one adjustable length hot runner hot nozzle as claimed in any one of claims 1 to 7.
CN201920320003.1U 2019-03-14 2019-03-14 Hot mouth of adjustable length hot runner and hot runner system Active CN210011261U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920320003.1U CN210011261U (en) 2019-03-14 2019-03-14 Hot mouth of adjustable length hot runner and hot runner system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920320003.1U CN210011261U (en) 2019-03-14 2019-03-14 Hot mouth of adjustable length hot runner and hot runner system

Publications (1)

Publication Number Publication Date
CN210011261U true CN210011261U (en) 2020-02-04

Family

ID=69313443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920320003.1U Active CN210011261U (en) 2019-03-14 2019-03-14 Hot mouth of adjustable length hot runner and hot runner system

Country Status (1)

Country Link
CN (1) CN210011261U (en)

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