CN218399263U - Nozzle tip heating structure and hot nozzle and hot runner system thereof - Google Patents
Nozzle tip heating structure and hot nozzle and hot runner system thereof Download PDFInfo
- Publication number
- CN218399263U CN218399263U CN202222281970.6U CN202222281970U CN218399263U CN 218399263 U CN218399263 U CN 218399263U CN 202222281970 U CN202222281970 U CN 202222281970U CN 218399263 U CN218399263 U CN 218399263U
- Authority
- CN
- China
- Prior art keywords
- tip
- nozzle
- groove
- hot
- heating wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of the hot runner, especially, relate to and chew sharp heating structure and heat and chew, hot runner system thereof. The utility model provides a can more accurate control runner end temperature, inlay independent heating element on chewing the point, optimize the temperature balance of chewing the point, be applied to hot nozzle and hot runner system for improve the shaping stability and the production efficiency of product, improve product quality simultaneously. The utility model provides a chew sharp heating structure, is including chewing sharp body, this internal sharp runner of chewing that is equipped with of point, chew the outer wall circumference winding of sharp body and have to chew sharp heater, it is equipped with and chews sharp heater wire outlet groove I to chew the outer wall of sharp body. On the premise of ensuring the improvement of the temperature balance, the structure of the heat nozzle is optimized, and the processing flow is simplified. The novel point is that the conventional external sleeve or embedded heater is changed into embedded heating with a built-in nozzle tip, the nozzle tip is independently processed, the temperature balance at the nozzle tip is optimized, the forming stability and the production efficiency of the product are improved, and the product quality is improved simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the hot runner, especially, relate to chew sharp heating structure and heat is chewed, hot runner system thereof.
Background
The hot runner ensures that the plastic of the runner and the sprue is kept in a molten state by a heating method. Because the heating rod and the heating ring are arranged near or in the center of the runner, the whole runner from the nozzle outlet of the injection molding machine to the sprue is in a high-temperature state, so that the plastic in the runner is kept molten, the runner does not need to be opened after the machine is stopped, the solidified material is taken out, and the runner is heated to the required temperature when the machine is started again. The hot runner technology has the advantages of saving raw materials, reducing cost, shortening molding period, improving machine efficiency, improving surface quality and mechanical property of products, improving the surface attractiveness of injection molding products and the like. However, with the wide application of hot runner technology, various defects appear in the fields of high-quality plastic parts to different degrees. And as the products are updated and diversified, the structural requirements on the hot runner are increased, and customers also want to utilize the hot runner to the maximum extent and to achieve the maximum benefit.
The conventional hot runner heating mode is that a heater is arranged outside a hot nozzle body, a nozzle tip and a pressing cap are arranged inside the hot nozzle body, and the extending part is not heated. Because the injection molding characteristics and the injection molding process of various materials are different, the requirements on the temperature are different. The material such as super engineering plastic, nylon and glass fiber is difficult to be injected. The requirement on temperature is high, and various cold material and abrasion problems caused by unbalanced temperature control sometimes occur.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art existence, the utility model aims to solve the technical problem that a control runner end temperature that can be more accurate is provided, inlays independent heater on chewing the point, optimizes the temperature balance of chewing the point, is applied to the heat and chews and hot runner system for improve the shaping stability and the production efficiency of product, improve product quality simultaneously.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
the utility model provides a chew sharp heating structure, is including chewing sharp body, this internal sharp runner of chewing that is equipped with of point, chew the outer wall circumference winding of sharp body and have to chew sharp heater, it is equipped with and chews sharp heater wire outlet groove I to chew the outer wall of sharp body.
Furthermore, an inner embedded groove embedded with the nozzle tip heating wire is formed in the circumferential direction of the outer wall surface of the nozzle tip body.
Furthermore, the outer wall surface of the nozzle tip body is fixed with an anti-rotation wire outlet groove pressing sleeve close to the position of the nozzle tip heating wire outlet groove I, the anti-rotation wire outlet groove pressing sleeve comprises a nozzle tip heating wire outlet groove II and an anti-rotation protrusion column, and the nozzle tip heating wire outlet groove II is aligned and communicated with the nozzle tip heating wire outlet groove I.
Furthermore, the glue outlet end part of the nozzle tip body is provided with a heat insulation cap groove.
Furthermore, one end of the tip heating wire is arranged in the embedded groove below the tip body, the other end of the tip heating wire is continuously wound towards the embedded groove above the tip body, and the other end of the tip heating wire penetrates out of the tip heating wire outlet groove I and the tip heating wire outlet groove II.
A hot nozzle comprises a hot nozzle body, wherein a hot nozzle flow channel is arranged in the hot nozzle body, a nozzle tip mounting groove is arranged below the hot nozzle body, a long strip-shaped anti-rotation convex column groove is vertically formed in the inner wall surface of the nozzle tip mounting groove, a nozzle tip heating wire outlet hole is formed in the inner wall surface of the nozzle tip mounting groove and located above the anti-rotation convex column groove, and the nozzle tip heating wire outlet hole is communicated with a nozzle tip heating wire outlet groove III formed in the hot nozzle body;
a tip heating structure is arranged in the tip mounting groove.
Furthermore, the tip body and the anti-rotation outlet groove pressing sleeve are arranged in the tip mounting groove;
the anti-rotation protruding columns are arranged in the anti-rotation protruding column grooves;
the nozzle tip flow passage is communicated with the hot nozzle flow passage and is provided with a valve needle;
a tip pressing cap is arranged between the tip body and the tip mounting groove;
a nozzle tip body reinforcing sleeve is arranged on the outer wall surface of the hot nozzle body close to the anti-rotation raised column groove;
the heat insulation cap groove is internally provided with a heat insulation cap, and the outer wall surface of the heat nozzle body is provided with a heating element.
Furthermore, the other end of the sharp heating wire, which penetrates out of the sharp heating wire outlet groove I and the sharp heating wire outlet groove II, penetrates out of the hot nozzle body through the sharp heating wire outlet hole and the sharp heating wire outlet groove III.
A hot-runner system comprising a hot-nozzle as described in any preceding claim.
Compared with the prior art, the beneficial effects of the utility model reside in that: a group of heating wires are independently added on the mouth tip, and the temperature balance of the mouth tip part is optimized, so that the forming stability and the production efficiency of a product are improved, and meanwhile, the product quality is improved. Can meet the high requirement of transparent materials and super engineering materials on the temperature balance of the sprue gate end. The heating wire on the nozzle tip can independently control the temperature of the nozzle tip part, and the heating wire and the heating element on the hot nozzle are divided into two independent heating areas, so that the temperature of the rubber material entering the sprue during injection molding is more accurate, and the temperature balance is improved.
After the heating wire is added to the tip of the nozzle, how to lead the heating wire of the tip of the nozzle out of the line and how to process and install each accessory. On the premise of ensuring the improvement of the temperature balance, the structure of the heat nozzle is optimized, and the processing flow is simplified. The novel point is that the conventional external sleeve or embedded heater is changed into embedded heating with a built-in nozzle tip, the nozzle tip is independently processed, the temperature balance at the nozzle tip is optimized, the forming stability and the production efficiency of the product are improved, and the product quality is improved simultaneously. The structure minimizes the loss of the mold, minimizes the influence of the cooling water of the mold on the temperature of the resin, improves the heat insulation effect by using the heat insulation ring, and optimizes the balance of the temperature control of the resin.
Drawings
FIG. 1 is a schematic view of the structure of the nozzle tip of the present invention;
FIG. 2 is a schematic view of the anti-rotation wire-outgoing groove pressing sleeve structure of the present invention;
FIG. 3 is a schematic view of the structure of the hot nozzle of the present invention;
FIG. 4 isbase:Sub>A schematic view of the structure of FIG. 3 from direction A-A according to the present invention;
FIG. 5 is a schematic view of the structure of the hot nozzle tip;
fig. 6 is a schematic diagram of the explosion structure of fig. 5 according to the present invention;
FIG. 7 is a schematic view of the structure of the tip pressing cap of the utility model;
fig. 8 is a schematic structural view of a hot runner system using a hot nozzle according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2:
a tip heating structure comprises a tip body 1, a tip runner 15 is arranged in the tip body 1, a tip heating wire 11 is wound on the outer wall surface of the tip body 1 in the circumferential direction, and a tip heating wire outlet groove I12 is arranged on the outer wall surface of the tip body 1.
An embedded groove 14 embedded with a tip heating wire 11 is arranged on the circumferential direction of the outer wall surface of the tip body 1.
Chew 1 outer wall of pointed body and be close to and chew I12 rigidity of sharp heater wire outlet groove and prevent changeing wire outlet groove and press cover 2, prevent changeing wire outlet groove and press cover 2 including chewing sharp heater wire outlet groove II 21, prevent changeing protruding post 22, chew sharp heater wire outlet groove II 21 and chew I12 alignment intercommunication of sharp heater wire outlet groove.
The glue outlet end part of the nozzle tip body 1 is provided with a heat insulation cap groove 13.
One end of the nozzle tip heating wire 11 is installed in the inner caulking groove 14 below the nozzle tip body 1, the other end of the nozzle tip heating wire 11 is continuously wound towards the inner caulking groove 14 above the nozzle tip body 1, and the other end of the nozzle tip heating wire 11 penetrates out through the nozzle tip heating wire outlet groove I12 and the nozzle tip heating wire outlet groove II 21.
As shown in fig. 3, 4, 5, 6:
a hot nozzle comprises a hot nozzle body 3, a hot nozzle flow channel 35 is arranged in the hot nozzle body 3, a nozzle tip mounting groove 31 is arranged below the hot nozzle body 3, a long-strip-shaped anti-rotation protrusion column groove 32 is vertically formed in the inner wall surface of the nozzle tip mounting groove 31, a nozzle tip heating wire outlet hole 33 is formed in the inner wall surface of the nozzle tip mounting groove 31 and located above the anti-rotation protrusion column groove 32, and the nozzle tip heating wire outlet hole 33 is communicated with a nozzle tip heating wire outlet groove III 34 formed in the hot nozzle body 3; a tip heating structure is arranged in the tip mounting groove 31.
The nozzle tip body 1 and the anti-rotation outlet groove pressing sleeve 2 are arranged in the nozzle tip mounting groove 31; the anti-rotation protrusion column 22 is installed in the anti-rotation protrusion column groove 32; the nozzle tip flow passage 15 is communicated with the hot nozzle flow passage 35 and is provided with a valve needle 6; a tip pressing cap 4 is arranged between the tip body 1 and the tip mounting groove 31; a nozzle tip body reinforcing sleeve 5 is arranged on the outer wall surface of the hot nozzle body 3 close to the anti-rotation raised column groove 32; the heat insulation cap 7 is arranged in the heat insulation cap groove 13, and the heating element 8 is arranged on the outer wall surface of the hot nozzle body 3.
The other end of the tip heating wire 11 which penetrates out of the tip heating wire outlet groove I12 and the tip heating wire outlet groove II 21 penetrates out of the outside of the hot nozzle body 3 through the tip heating wire outlet hole 33 and the tip heating wire outlet groove III 34.
As shown in fig. 8:
a hot-runner system comprising a hot-nozzle as described in any above.
Referring to FIGS. 1-8:
chew the installation and the use of point, hot mouth and hot runner system: the injection nozzle 9, the splitter plate 10, the center pin, the common splitter plate heating wire, the thermocouple, the anti-rotation pin and the like are all conventional structures, and are processed according to a conventional processing mode, and the processing technology and the sequence are not changed.
Firstly, installing and fixing a tip heating wire 11 and a thermocouple (the thermocouple is a conventional device and is not marked in the drawing) on a tip body 1, then installing an anti-rotation outlet wire groove pressing sleeve 2 on the tip body 1, aligning a tip heating wire outlet groove I12 with a tip heating wire outlet groove II 21, leading out the tip heating wire 11 and the thermocouple from the tip heating wire outlet groove I12 to the tip heating wire outlet groove II 21, and fixing the tip body 1 and the anti-rotation outlet wire groove pressing sleeve 2 by using a tool to weld and fix the tip heating wire 11 and the thermocouple.
Secondly, installing the assembled and welded tip into a tip installing groove 31 of the hot tip body 3, firstly, leading the outlet wires of the heating wire 11 and a thermocouple (the thermocouple is a conventional device and is not marked in the figure) to penetrate into a tip heating wire outlet hole 33 of the hot tip body 3 and pass out through a tip heating wire outlet groove III 34, and leading the anti-rotation convex column 22 to be installed into an anti-rotation convex column groove 32 arranged on the hot tip body 3; then install and chew sharp pressure cap 4, chew sharp pressure cap 4 and be equipped with external screw thread 41 and chew the internal thread 36 that is equipped with on the sharp mounting groove 31 and join in marriage and fix, chew sharp pressure cap 4's locating surface I42 and chew the sharp mounting groove 31 and be equipped with the locating surface II 37 location fit.
And thirdly, mounting a heating element 8 and a thermocouple outside the hot nozzle and related clamp spring accessories.
Fourthly, mounting the valve needle 6 and the heat insulation cap 7 on the hot nozzle; finally, 5 amperes of the reinforcing sleeve of the mouth tip body
The anti-rotation convex column groove 32 is arranged on the hot nozzle body 3 to prevent the thin wall position of the anti-rotation convex column groove 32 arranged on the hot nozzle body 3 from cracking. And then assembling system accessories such as a splitter plate, a hot nozzle, an injection nozzle, a central nail, a screw, an anti-rotation pin and the like according to the conventional process. The whole set of hot runner system is installed in the processed mould.
The hot runner system mainly aims at the structural design matching of the nozzle tip and the hot nozzle, and the injection molding process belongs to the conventional flow. The glue material sequentially passes through the injection nozzle 9, the flow distribution plate 10, the hot nozzle body 3 and the nozzle tip body 1, the glue is sealed downwards through the action of the valve needle 6, and the glue is sealed upwards to complete the whole injection molding process. The temperature control box is used for carrying out independent temperature control adjustment on the external heating element 8 of the hot nozzle body 3 and the nozzle tip heating wire 11 embedded in the nozzle tip body 1, so that the temperature of the rubber material at the head of the hot nozzle is more balanced.
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 (9)
1. A chew sharp heating structure which characterized in that:
the novel cigarette holder is characterized by comprising a tip body (1), wherein a tip flow channel (15) is arranged in the tip body (1), tip heating wires (11) are wound on the outer wall surface of the tip body (1) in the circumferential direction, and tip heating wire outlet grooves I (12) are formed in the outer wall surface of the tip body (1).
2. The beak heating structure according to claim 1, wherein:
an embedded groove (14) embedded with a sharp heating wire (11) is formed in the circumferential direction of the outer wall surface of the sharp body (1).
3. The beak heating structure according to claim 2, wherein:
chew sharp body (1) outer wall and be close to and chew sharp heater wire outlet groove I (12) rigidity prevent changeing wire outlet groove and press cover (2), prevent changeing wire outlet groove and press cover (2) including chewing sharp heater wire outlet groove II (21), prevent changeing protruding post (22), chew sharp heater wire outlet groove II (21) and chew sharp heater wire outlet groove I (12) alignment intercommunication.
4. The beak heating structure according to claim 3, wherein:
the glue outlet end part of the nozzle tip body (1) is provided with a heat insulation cap groove (13).
5. The beak tip heating structure according to claim 4, wherein: one end of the tip-chewing heating wire (11) is arranged in the inner embedded groove (14) below the tip body (1), the other end of the tip-chewing heating wire (11) is continuously wound towards the inner embedded groove (14) above the tip body (1), and the other end of the tip-chewing heating wire (11) penetrates out through the tip-chewing heating wire outlet groove I (12) and the tip-chewing heating wire outlet groove II (21).
6. A hot nozzle, characterized in that: the hot nozzle comprises a hot nozzle body (3), wherein a hot nozzle flow channel (35) is arranged in the hot nozzle body (3), a nozzle tip mounting groove (31) is arranged below the hot nozzle body (3), a long-strip-shaped anti-rotation raised column groove (32) is vertically formed in the inner wall surface of the nozzle tip mounting groove (31), a nozzle tip heating wire outlet hole (33) is formed in the inner wall surface of the nozzle tip mounting groove (31) and is positioned above the anti-rotation raised column groove (32), and the nozzle tip heating wire outlet hole (33) is communicated with a nozzle tip heating wire outlet groove III (34) formed in the hot nozzle body (3);
the beak tip mounting groove (31) is internally provided with a beak tip heating structure as defined in claim 5.
7. The heat nozzle of claim 6, wherein:
the mouth tip body (1) and the anti-rotation outlet groove pressing sleeve (2) are arranged in the mouth tip mounting groove (31);
the anti-rotation protruding column (22) is arranged in the anti-rotation protruding column groove (32);
the mouth tip flow passage (15) is communicated with the hot mouth flow passage (35) and is provided with a valve needle (6);
a tip pressing cap (4) is arranged between the tip body (1) and the tip mounting groove (31);
a mouth tip body reinforcing sleeve (5) is arranged on the outer wall surface of the hot mouth body (3) close to the anti-rotation raised column groove (32);
the heat insulation cap groove (13) is internally provided with a heat insulation cap (7), and the outer wall surface of the heat nozzle body (3) is provided with a heating element (8).
8. The heat nozzle of claim 7, wherein:
the other end of the tip heating wire (11) which penetrates out of the tip heating wire outlet groove I (12) and the tip heating wire outlet groove II (21) penetrates out of the heat nozzle body (3) through a tip heating wire outlet hole (33) and a tip heating wire outlet groove III (34).
9. A hot-runner system, comprising: the hot runner system comprising a hot nozzle according to any one of claims 6 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222281970.6U CN218399263U (en) | 2022-08-29 | 2022-08-29 | Nozzle tip heating structure and hot nozzle and hot runner system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222281970.6U CN218399263U (en) | 2022-08-29 | 2022-08-29 | Nozzle tip heating structure and hot nozzle and hot runner system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218399263U true CN218399263U (en) | 2023-01-31 |
Family
ID=85028667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222281970.6U Active CN218399263U (en) | 2022-08-29 | 2022-08-29 | Nozzle tip heating structure and hot nozzle and hot runner system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218399263U (en) |
-
2022
- 2022-08-29 CN CN202222281970.6U patent/CN218399263U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201702900U (en) | Injector needle cylinder moulding mould | |
| CN218399263U (en) | Nozzle tip heating structure and hot nozzle and hot runner system thereof | |
| CN201769341U (en) | Sprue bush without plastic residue | |
| CN204109272U (en) | Superposition compression type seal adhesive hot flow passage system | |
| CN115416240A (en) | Nozzle tip heating structure and hot nozzle and hot runner system thereof | |
| CN201677470U (en) | Hot runner nozzle mechanism | |
| CN216300022U (en) | Hot runner nozzle without additional heating device | |
| CN201006630Y (en) | Hot nozzle for injection mold | |
| CN209971400U (en) | Hot nozzle assembly and hot runner system | |
| CN215151522U (en) | Straight-top multipoint glue feeding structure of injection mold | |
| CN215512085U (en) | Split type round side cementing structure | |
| CN202062583U (en) | Hot-runner double-section heating spray nozzle | |
| CN211389968U (en) | Injection mold with hot runner system | |
| CN212826613U (en) | Novel hot runner structure | |
| CN212312636U (en) | Hot runner structure for injection molding of mobile phone charger shell | |
| CN219256285U (en) | Three-point semicircular hot nozzle and hot runner system | |
| CN212372605U (en) | Multi-section heating single-hot-nozzle hot runner system | |
| CN215242564U (en) | Side goes out circular flow distribution plate of gluing and hot runner system | |
| CN220995312U (en) | Novel hot nozzle | |
| CN206644275U (en) | A kind of embedded nozzle arrangements | |
| CN214820492U (en) | Open structure of chewing of a kind of one chewing multiheaded point | |
| CN215151408U (en) | Star-shaped sprue bush of casting mold | |
| CN214239325U (en) | Optimization of hot runner improves structure | |
| CN218366256U (en) | Special-shaped gate inlet structure of needle valve type hot runner system | |
| CN214521665U (en) | New generation single point needle valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |