CN212097346U - Hot nozzle - Google Patents
Hot nozzle Download PDFInfo
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- CN212097346U CN212097346U CN202020587650.1U CN202020587650U CN212097346U CN 212097346 U CN212097346 U CN 212097346U CN 202020587650 U CN202020587650 U CN 202020587650U CN 212097346 U CN212097346 U CN 212097346U
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- hot
- nozzle
- hot mouth
- mouth body
- hot nozzle
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Abstract
The utility model relates to an injection moulding equipment technical field, more specifically say, it relates to a hot mouth, including installing the hot mouth body on the mould, mould fixed mounting has mounting flange, mounting flange with hot mouth body tail end butt, hot mouth body tail end edge outwards extends has a plurality of heat shields, the heat shield winds hot mouth body axis evenly distributed. When the hot mouth body is installed, the fixing flange is used for pressing the heat insulation sheet at the tail end of the hot mouth body to fix the hot mouth body in the die, and the heat insulation sheet can extend the length of the hot mouth body and the contact surface of the die and reduce the contact area between the hot mouth body and the fixing flange, so that the heat transfer of the hot mouth body to the die fixing flange can be reduced, and the hot mouth body is prevented from causing cold glue at the glue inlet of the hot mouth body due to heat loss to cause that the plastic is injected into the hot mouth body.
Description
Technical Field
The utility model relates to an injection moulding equipment technical field, more specifically say, it relates to a hot mouth.
Background
The hot runner is a set of original parts heated by resistance wires, and heats the molten plastic in a whole process or in partial sections on a flow passage between a sprue bush of an injection mold and a glue inlet point of a product cavity, and the plastic is heated to maintain thermal balance so as to keep the plastic in a constant-temperature molten state in the injection molding production process. Compared with an injection mold without a hot runner, the cold runner injection mold reduces waste generated in the injection molding production process of the injection mold and extra work generated in the recovery of the cold runner.
In general, hot runner systems are classified into single-nozzle hot runner systems, multi-nozzle hot runner systems, and valve-gated hot runner systems. The single-nozzle hot runner system mainly comprises a single nozzle, a nozzle head, a nozzle connecting plate, a temperature control system and the like. The plastic mould of the single-nozzle hot runner system has a simpler structure. And injecting the molten plastic into the nozzle connecting plate from an injection molding machine, and injecting the molten plastic into the cavity after the molten plastic reaches the nozzle head through the nozzle. The sizes D, D and L are required to be controlled, the thickness of the nozzle connecting plate is adjusted, the fixed die fixing plate is enabled to tightly press the end face of the nozzle connecting plate, the axial displacement of the nozzle is controlled, or the nozzle of the injection molding machine is directly propped against the end face of the nozzle connecting plate, and the same purpose can be achieved. A lead groove is arranged at a proper position of the fixed die fixing plate, so that a power line is led out from the die and is connected with a wire holder arranged on the die.
In the prior art, a heater is additionally arranged behind a hot nozzle when the hot nozzle of a single-nozzle type hot runner is used for producing high-temperature plastic, otherwise, cold glue is easily generated at the position, behind the hot nozzle, where the hot nozzle is matched with a gun barrel and glue is fed, so that the plastic is not fed into the hot nozzle, the cost of the heating hot nozzle is increased by one section, and a temperature controller is also required to be added into one group, so that the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of above-mentioned prior art, the utility model aims at providing a hot mouth has and can not appear hot mouth and advance gluey department with the barrel cooperation at the back and appear cold glue, reduces the quantity of temperature controller, practices thrift the advantage of cost.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a hot nozzle, is including installing the hot nozzle body on the mould, mould fixed mounting has mounting flange, mounting flange with hot nozzle body tail end butt, hot nozzle body tail end edge outwards extends has a plurality of heat shields, the heat shield winds hot nozzle body axis evenly distributed.
Through the technical scheme, when the hot nozzle body is installed, the fixing flange is used for pressing the heat insulation sheet at the tail end of the hot nozzle body to fix the hot nozzle body in the die, and the heat insulation sheet can extend the length of the hot nozzle body and the contact surface of the die and reduce the contact area between the hot nozzle body and the fixing flange, so that the heat of the hot nozzle body can be reduced and transferred to the die fixing flange, and the hot nozzle body is prevented from being injected with cold glue at the glue inlet of the hot nozzle body due to heat loss, so that plastic injection can not be carried out in the hot nozzle body.
Preferably, the heat insulating sheet is inclined in a direction away from an axis of the hot nozzle body along a longitudinal direction of the hot nozzle body.
Through above-mentioned technical scheme, increased the distance between the heat insulating sheet to increased the area of advancing gluey mouth, be favorable to advancing gluey.
Preferably, the outer wall of the hot nozzle body is wrapped with a heating device.
Through above-mentioned technical scheme, heating device can make the hot melt adhesive keep the temperature to hot nozzle body heating, makes the melt adhesive flow smoothly.
Preferably, the hot nozzle comprises a nozzle tip arranged at one end of the hot nozzle body and a nozzle tip outer sleeve component in threaded connection with the hot nozzle body, wherein one end of the nozzle tip abuts against the hot nozzle body and the other end of the nozzle tip abuts against the nozzle tip outer sleeve component.
Through above-mentioned technical scheme, the mouth point can be transmitted to the heat of hot mouth body, and the mouth point can be for going out glue outlet department hot melt adhesive and keeping the temperature, makes to melt and glues the smooth outflow, fixes the mouth point through the overcoat subassembly.
Preferably, the nozzle tip outer sleeve component comprises a nozzle tip outer sleeve abutting against the nozzle tip and an adhesive sealing ring in threaded connection with the hot nozzle body, and the adhesive sealing ring abuts against the nozzle tip outer sleeve.
Through the technical scheme, a gap is reserved between the glue sealing ring and the nozzle tip outer sleeve, so that heat can be reduced from being transferred to the glue sealing ring from the nozzle tip outer sleeve, and the temperature is kept to enable the molten glue to flow out smoothly.
Preferably, the heating device is a heating coil connected with an external power supply through a lead.
Through above-mentioned technical scheme, winding and the hot mouth that the circle can be even generate heat can make hot mouth thermally equivalent.
To sum up, the utility model discloses beneficial effect who has: when the hot mouth body is installed, the fixing flange is used for pressing the heat insulation sheet at the tail end of the hot mouth body to fix the hot mouth body in the die, and the heat insulation sheet can extend the length of the hot mouth body and the contact surface of the die and reduce the contact area between the hot mouth body and the fixing flange, so that the heat transfer of the hot mouth body to the die fixing flange can be reduced, and the hot mouth body is prevented from causing cold glue at the glue inlet of the hot mouth body due to heat loss to cause that the plastic is injected into the hot mouth body.
Drawings
Figure 1 is a cross-sectional view of an embodiment of the invention;
FIG. 2 is a cross-sectional view of a hot tip body according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of another angle of the hot nozzle body of an embodiment of the present invention;
fig. 4 is a cross-sectional view of a hot nozzle of an embodiment of the present invention.
Reference numerals: 1. a mold; 2. a hot nozzle body; 21. a heat insulating sheet; 3. a fixed flange; 4. a heating ring; 5. a tip of the mouth; 6. a glue sealing assembly; 61. sealing a rubber ring; 62. the tip of the mouth is sleeved.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The utility model provides a hot nozzle, refers to fig. 1 to 4, including installing hot nozzle body 2 on mould 1, mould 1 fixed mounting has mounting flange 3, mounting flange 3 with 2 tail end butts of hot nozzle body, 2 tail end edges of hot nozzle body outwards extend have a plurality of heat shields 21, heat shields 21 wind 2 axis evenly distributed of hot nozzle body.
When the hot nozzle body 2 is installed, the fixing flange 3 is used for pressing the heat insulation sheet 21 at the tail end of the hot nozzle body 2 to fix the hot nozzle body 2 in the mold 1, and the heat insulation sheet 21 can extend the length of the contact surface of the hot nozzle body 2 and the mold 1, and the contact area between the hot nozzle body 2 and the fixing flange 3 is reduced, so that the heat transfer of the hot nozzle body 2 to the fixing flange 3 of the mold 1 can be reduced, and the plastic cement is prevented from being injected into the hot nozzle body 2 due to cold glue at the glue inlet part of the hot nozzle body 2 caused by heat loss of the hot nozzle body 2;
if one more section of heating hot nozzle increases the cost, the temperature controller also needs to be provided with more groups, thereby increasing the cost.
Specifically, the heat insulation sheet 21 is inclined in the direction away from the axis of the hot nozzle body 2 along the length direction of the hot nozzle body 2, so that the distance between the heat insulation sheets 21 is increased, the area of a glue inlet is increased, and glue feeding is facilitated.
Specifically, the outer wall of the hot nozzle body 2 is coated with a heating device. The heating device can heat the hot nozzle body 2 to keep the temperature of the hot melt adhesive, so that the hot melt adhesive flows smoothly.
Specifically, the hot nozzle comprises a nozzle tip 5 installed at one end of the hot nozzle body 2 and a nozzle tip outer sleeve component 6 in threaded connection with the hot nozzle body 2, wherein one end of the nozzle tip 5 is abutted against the hot nozzle body 2, and the other end of the nozzle tip is abutted against the nozzle tip outer sleeve component 6.
The heat of hot mouth body 2 can transmit mouth point 5, and mouth point 5 can be for going out the hot melt adhesive of jiao kou department and keep the temperature, makes to melt and glues smoothly and flows out, fixes mouth point 5 through the overcoat subassembly.
Specifically, the tip casing assembly 6 includes a tip casing 62 abutting against the tip 5 and a sealing ring 61 screwed to the hot nozzle body 2, and the sealing ring 61 abuts against the tip casing 62.
A gap is reserved between the glue sealing ring 61 and the nozzle tip outer sleeve 62, so that heat can be reduced from being transferred from the nozzle tip outer sleeve 62 to the glue sealing ring 61, and the temperature is kept to enable molten glue to flow out smoothly.
Specifically, the heating device is a heating coil 4 connected with an external power supply through a wire. The heating ring 4 can be uniformly wound and heated, so that the hot nozzle can be uniformly heated.
To sum up, the utility model discloses beneficial effect who has: when installing hot mouth body 2, use mounting flange 3 to press the heat insulating sheet of hot mouth body 2 tail end to fix hot mouth body 2 in mould 1, because the heat insulating sheet can extend the length of hot mouth body 2 longer and hot mouth body 2 little with mounting flange 3's area of contact, consequently can reduce the heat transfer of hot mouth body 2 to mounting flange 3 to hot mouth body 2 who avoids causes hot mouth body 2 to advance gluey department and appear cold glue because of heat loss, the cost has been practiced thrift to the quantity that reduces the temperature controller.
The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.
Claims (6)
1. A hot nozzle is characterized in that: including installing hot mouth body (2) on mould (1), mould (1) fixed mounting has mounting flange (3), mounting flange (3) with hot mouth body (2) tail end butt, hot mouth body (2) tail end edge outwards extends has a plurality of heat shields (21), heat shield (21) wind hot mouth body (2) axis evenly distributed.
2. A hot nozzle as claimed in claim 1, wherein: the heat insulation sheet (21) inclines in the direction away from the axis of the hot nozzle body (2) along the length direction of the hot nozzle body (2).
3. A hot nozzle as claimed in claim 1, wherein: the outer wall of the hot nozzle body (2) is coated with a heating device.
4. A hot nozzle as claimed in claim 1, wherein: the hot nozzle is characterized by further comprising a nozzle tip (5) installed at one end of the hot nozzle body (2) and a nozzle tip outer sleeve component (6) in threaded connection with the hot nozzle body (2), wherein one end of the nozzle tip (5) is abutted against the other end of the hot nozzle body (2) is abutted against the nozzle tip outer sleeve component (6).
5. The hot nozzle as claimed in claim 4, wherein: the nozzle tip outer sleeve component (6) comprises a nozzle tip outer sleeve (62) abutted to the nozzle tip (5) and an adhesive sealing ring (61) in threaded connection with the hot nozzle body (2), and the adhesive sealing ring (61) is abutted to the nozzle tip outer sleeve (62).
6. A hot nozzle as claimed in claim 3, wherein: the heating device is a heating ring (4) connected with an external power supply through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020587650.1U CN212097346U (en) | 2020-04-20 | 2020-04-20 | Hot nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020587650.1U CN212097346U (en) | 2020-04-20 | 2020-04-20 | Hot nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212097346U true CN212097346U (en) | 2020-12-08 |
Family
ID=73640198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020587650.1U Active CN212097346U (en) | 2020-04-20 | 2020-04-20 | Hot nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212097346U (en) |
-
2020
- 2020-04-20 CN CN202020587650.1U patent/CN212097346U/en active Active
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