CN217098699U - Valve needle structure, hot nozzle structure and hot runner system - Google Patents
Valve needle structure, hot nozzle structure and hot runner system Download PDFInfo
- Publication number
- CN217098699U CN217098699U CN202220489236.6U CN202220489236U CN217098699U CN 217098699 U CN217098699 U CN 217098699U CN 202220489236 U CN202220489236 U CN 202220489236U CN 217098699 U CN217098699 U CN 217098699U
- Authority
- CN
- China
- Prior art keywords
- valve needle
- section
- cavity
- heating rod
- hot nozzle
- 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 relates to a hot runner technical field provides a structure and hot runner system are chewed to needle structure, heat, and wherein, the needle structure includes: the valve needle body is internally provided with a cavity; the heating rod is arranged in the cavity and transmits heat to the valve needle body. The utility model provides a valve needle structure, structure and hot runner system are chewed to heat, this internal cavity that sets up of valve needle, and place the stick that generates heat in the cavity, the heat transfer that the stick that generates heat produced to the valve needle body, the temperature of valve needle body has been improved, the inside plastic of structure is chewed for heat with heat transfer to the valve needle body again, make when the plastic of moulding plastics, even when the cooling pressurize, the valve needle head also can seal the runner, the condition of having avoided the valve needle to move back takes place completely, the yield of the product of moulding plastics has been improved, and the simple structure of valve needle structure, and the manufacture is convenient, therefore, the carrier wave prepaid electric energy meter is low in cost.
Description
Technical Field
The utility model relates to a hot runner technical field, more specifically say so, relate to a structure and hot runner system are chewed to needle structure, heat.
Background
The hot runner ensures that the plastic of the runner and the sprue keeps a molten state by a heating method, in the hot runner, the plastic is required to be high in temperature when the plastic is injected, the head part of the valve needle is influenced by cooling water of a mold, partial heat is taken away, the temperature of the head part of the valve needle is reduced too fast, the plastic is solidified, and the valve needle cannot seal the sprue and is sealed badly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a structure and hot runner system are chewed to needle structure, heat to valve needle head temperature drop is too fast among the solution prior art, and the plastic solidification, and then leads to the unable runner of sealing of needle, seals the bad technical problem of needle.
In order to achieve the above object, the utility model adopts the following technical scheme:
in one aspect, the utility model provides a valve needle structure, include:
the valve needle comprises a valve needle body, wherein a cavity is formed in the valve needle body;
the heating rod is arranged in the cavity and transmits heat to the valve needle body.
In one embodiment, the valve needle body comprises a first valve needle section, a second valve needle section and a third valve needle section which are arranged in sequence, and the first valve needle section, the second valve needle section and the third valve needle section are of an integrated structure;
the second valve needle section is used for being placed in the hot nozzle flow channel, the length of the second valve needle section corresponds to that of the hot nozzle heater, the first valve needle section extends out of the hot nozzle flow channel and is arranged close to the end of the mold cavity, and the third valve needle section extends out of the hot nozzle flow channel and is arranged close to the end of the valve needle hanging table;
the cavity is including the first cavity, second cavity and the third cavity that communicate in proper order, first needle section, second needle section and be equipped with respectively in the third needle section first cavity, the second cavity and the third cavity, just first cavity extends to set up to the terminal of first needle section, just the terminal of first needle section is sealed.
In one embodiment, the heat generating rod comprises a first section of heat generating rod, and the first section of heat generating rod is arranged in the first cavity;
or the heating rod comprises a first section of heating rod and a second section of heating rod, the first section of heating rod and the second section of heating rod are of an integrated structure, the first section of heating rod is arranged in the first cavity, and the second section of heating rod is arranged in the second cavity;
or the heating rod comprises a first section of heating rod, a second section of heating rod and a third section of heating rod, the first section of heating rod, the second section of heating rod and the third section of heating rod are of an integrated structure, the first section of heating rod is arranged in the first cavity, the second section of heating rod is arranged in the second cavity, and the third section of heating rod is arranged in the third cavity.
In one embodiment, the top of the valve needle body is provided with a mounting hole, the mounting hole is communicated with the cavity, the inner diameter of the mounting hole is larger than that of the cavity so as to form a limiting step, and a screw is arranged in the mounting hole, is in threaded connection with the mounting hole and is limited by the limiting step.
In one embodiment, the valve needle body is provided with a first connecting part at the top part, and the first connecting part is used for being matched and connected with the valve needle hanging table.
In one embodiment, the side surface of the top of the valve needle body is provided with an outlet hole, and a cable of the heating rod penetrates out of the outlet hole.
In one embodiment, the heating rod is cylindrical;
or the heating rod is spiral.
In one embodiment, the diameter of the heating rod is 4mm to 10 mm.
In a second aspect, the utility model provides a structure is chewed to heat, including foretell needle structure, the heat is chewed the structure and is still chewed the body, chewed the point and the heat heater of chewing including heat, the heat is chewed the heater ring and is located the heat is chewed the periphery of body, chew the point and locate the heat chew the body the below and with this body coupling is chewed to heat, this internal runner is chewed to heat of being equipped with, the needle structure is located in the runner is chewed to heat and is worn out chew the point.
In addition, the utility model provides a hot runner system, chew the structure including foretell heat, hot runner system still includes that the needle hangs the platform, the needle hangs the bench and is equipped with second connecting portion, second connecting portion be used for with needle structural connection.
The utility model provides a structure and hot runner system's beneficial effect is chewed to needle structure, heat lies in at least:
the utility model provides a valve needle structure, structure and hot runner system are chewed to heat, this internal cavity that sets up of valve needle, and place the stick that generates heat in the cavity, the heat transfer that the stick that generates heat produced to the valve needle body, the temperature of valve needle body has been improved, the inside plastic of structure is chewed for heat with heat transfer to the valve needle body again, make when the plastic of moulding plastics, even when the cooling pressurize, the valve needle head also can seal the runner, the condition of having avoided the valve needle to move back takes place completely, the yield of the product of moulding plastics has been improved, and the simple structure of valve needle structure, and the manufacture is convenient, therefore, the carrier wave prepaid electric energy meter is low in cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a valve needle structure and a valve needle hanging table in a matching connection manner according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a valve needle structure provided in an embodiment of the present invention;
fig. 3 is an explosion structure diagram of the valve needle structure and the valve needle hanging table provided by the embodiment of the present invention;
fig. 4 is a schematic structural view of a hot nozzle structure provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a hot runner system according to an embodiment of the present invention.
Wherein, in the figures, the various reference numbers:
10000. a hot runner system; 1000. a hot nozzle structure; 100. a valve needle structure; 110. a valve needle body; 110a, a first valve needle section; 110b, a second valve needle section; 110c, a third needle section; 111. a cavity; 1111. a first cavity; 1112. a second cavity; 1113. a third cavity; 112. mounting holes; 113. a limiting step; 114. a first connection portion; 115. a wire outlet hole; 120. a heating rod; 121. a first section of heating rod; 122. a second section of heating rod; 123. a third section of heating rod; 130. a screw; 140. a cable; 200. a hot nozzle body; 210. a hot nozzle runner; 300. a tip; 400. a hot tip heater; 2000. a valve needle hanging table; 2100. a second connecting portion; 2200. a notch; 3000. a temperature control box.
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 for purposes of illustration only 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 or indirectly secured to 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. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Referring to fig. 1, the present embodiment provides a valve needle structure 100, which includes: a valve needle body 110, wherein a cavity 111 is arranged in the valve needle body 110; and the heating rod 120 is arranged in the cavity 111, and transfers heat to the valve needle body 110.
The working principle and the beneficial effects of the valve needle structure 100 provided by the embodiment are as follows:
the needle structure 100 that this embodiment provided, set up cavity 111 in needle body 110, and place the stick 120 that generates heat in cavity 111, the heat transfer that the stick 120 that generates heat produced is to needle body 110, the temperature of needle body 110 has been improved, needle body 110 is again with the inside plastic of heat transfer mouth structure, make when the plastic of moulding plastics, even when the cooling pressurize, the runner also can be sealed to the needle head, the condition that the needle retreated has been avoided completely takes place, the yield of the product of moulding plastics has been improved, and the needle structure 100 that this embodiment provided, the steam generator is simple in structure, and the manufacture is convenient, and low cost.
In a preferred embodiment, referring to fig. 1 and 2, valve needle body 110 includes a first valve needle section 110a, a second valve needle section 110b and a third valve needle section 110c, which are sequentially arranged, and first valve needle section 110a, second valve needle section 110b and third valve needle section 110c are an integrated structure;
the second valve needle section 110b is used for being placed in the hot nozzle flow channel 210, the length of the second valve needle section 110b corresponds to that of the hot nozzle heater 400, the first valve needle section 110a extends out of the hot nozzle flow channel 210 and is arranged close to the cavity end of the die, and the third valve needle section 110c extends out of the hot nozzle flow channel 210 and is arranged close to the end of the valve needle hanging table 2000;
First valve needle segment 110a is the valve needle head, and since first cavity 1111 extends to the end of first valve needle segment 110a, and the end of first valve needle segment 110a is sealed, the arrangement is such that when valve needle structure 100 moves up and down, that is, after valve needle structure 100 extends out of nozzle tip 300, valve needle structure 100 between nozzle tip 300 and the mold cavity is also heated by heating rod 120, so that valve needle structure 100 can completely seal the gate, thereby completing injection molding.
It should be understood that the lengths of the first valve needle section 110a, the second valve needle section 110b and the third valve needle section 110c can be customized according to actual requirements, and the lengths of the first valve needle section 110a, the second valve needle section 110b and the third valve needle section 110c are not limited in this embodiment.
In a preferred embodiment, the heat generating rod 120 includes a first segment of heat generating rod 121, and the first segment of heat generating rod 121 is disposed in the first cavity 1111.
The first section of heating rod 121 is disposed in the first cavity 1111, and the first section of heating rod 121 transfers heat to the first valve needle section 110a, that is, the first valve needle section 110a transfers heat to the plastic around the first valve needle section 110a, so that the plastic is in a molten state during cooling and pressure maintaining, and the plastic is prevented from being solidified during cooling and pressure maintaining. That is, the heating rod 120 is not disposed in the second cavity 1112 and the third cavity 1113, that is, there is no heat transfer between the second valve needle section 110b and the third valve needle section 110c, and the plastic in the hot nozzle flow channel 210 corresponding to the second valve needle section 110b can be heated and melted by the hot nozzle heater 400 disposed outside the hot nozzle body 200, which reduces the usage of the heating rod 120, thereby saving energy.
In another preferred embodiment, the heating rod 120 includes a first section heating rod 121 and a second section heating rod 122, and the first section heating rod 121 and the second section heating rod 122 are an integrated structure, the first section heating rod 121 is disposed in the first cavity 1111, and the second section heating rod 122 is disposed in the second cavity 1112.
The second section of heating rod 122 is arranged in the second cavity 1112, the second valve needle section 110b transfers heat to plastic around the second valve needle section 110b, so that heat is supplemented from the inside to the outside, meanwhile, the plastic in the hot nozzle flow channel 210 corresponding to the second valve needle section 110b can be heated and melted by the hot nozzle heater 400 arranged outside the hot nozzle body 200, so that heat is supplemented from the outside to the inside, therefore, the heating rod 120 arranged in the second cavity 1112 and the hot nozzle heater 400 are complementary, and the plastic in the hot nozzle flow channel 210 is heated more uniformly. The first section of heating rod 121 is disposed in the first cavity 1111, and the first section of heating rod 121 transfers heat to the first valve needle section 110a, that is, the first valve needle section 110a transfers heat to the plastic around the first valve needle section 110a, so that the plastic is in a molten state during cooling and pressure maintaining, and the plastic is prevented from being solidified during cooling and pressure maintaining.
Optionally, the diameter of the first segment of heat generating rod 121 is not smaller than the diameter of the second segment of heat generating rod 122. The larger the diameter of the heat generating rod 120 is, the larger the heat generation amount is, that is, the heat generated by the first stage heat generating rod 121 is not less than the heat generated by the second stage heat generating rod 122.
Optionally, the diameter of the first section of heating rod 121 is greater than the diameter of the second section of heating rod 122, so that the heat of the first valve needle section 110a is greater than the heat of the second valve needle section 110b, and further energy saving is achieved under the condition that the plastic is in a molten state during cooling and pressure maintaining.
Optionally, the diameter of the first section of heat generating rod 121 is larger than that of the second section of heat generating rod 122, which makes the manufacture of the heat generating rod simpler.
In another preferred embodiment, referring to fig. 1 to 3, the heat generating rod 120 includes a first section of heat generating rod 121, a second section of heat generating rod 122 and a third section of heat generating rod 123, and the first section of heat generating rod 121, the second section of heat generating rod 122 and the third section of heat generating rod 123 are integrated, the first section of heat generating rod 121 is disposed in the first cavity 1111, the second section of heat generating rod 122 is disposed in the second cavity 1112, and the third section of heat generating rod 123 is disposed in the third cavity 1113. The heating rod 120 is stronger in integrity and simpler to manufacture due to the arrangement, the third section of heating rod 123 is arranged in the third cavity 1113, and the third section of heating rod 123 has a preheating function. The second segment of heating rod 122 realizes that the second valve needle segment 110b transfers heat to plastic around the second valve needle segment 110b, and further realizes heat supply from inside to outside, and the plastic in the hot nozzle flow channel 210 corresponding to the second valve needle segment 110b can be heated and melted by the hot nozzle heater 400 arranged outside the hot nozzle body 200, so that heat supply from outside to inside is realized, thereby the heating rod 120 arranged in the second cavity 1112 and the hot nozzle heater 400 form complementation, and the plastic in the hot nozzle flow channel 210 is heated more uniformly. The first section of heating rod 121 is arranged in the first cavity 1111, and the first section of heating rod 121 transfers heat to the first valve needle section 110a, that is, the first valve needle section 110a transfers heat to the plastic around the first valve needle section 110a, so that the plastic is in a molten state during cooling and pressure maintaining, and the plastic is prevented from being solidified during cooling and pressure maintaining.
Optionally, the diameter of the first section of heat generating rod 121 is not smaller than the diameter of the second section of heat generating rod 122, and the diameter of the second section of heat generating rod 122 is not smaller than the diameter of the third section of heat generating rod 120. The larger the diameter of the heating rod 120 is, the larger the heating amount is, that is, the heat emitted by the first section of heating rod 121 is not less than the heat emitted by the second section of heating rod 122, and the heat emitted by the second section of heating rod 121 is not less than the heat emitted by the third section of heating rod 122.
Optionally, the diameter of the first section of heating rod 121 is greater than the diameter of the second section of heating rod 122, and the diameter of the second section of heating rod 122 is greater than the diameter of the third section of heating rod 120, so that the heat generated by the first valve needle section 110a is greater than the heat generated by the second valve needle section 110b, and the heat generated by the second valve needle section 110b is greater than the heat generated by the third valve needle section 110c, thereby ensuring that the plastic is in a molten state during cooling and pressure maintaining, and also realizing energy saving under the condition that the plastic in the hot nozzle flow channel 210 is sufficiently melted by the cooperation of the second section of heating rod 122 and the hot nozzle heater 400.
Optionally, the diameter of the first segment of heat generating rod 121 is the same as the diameter of the second segment of heat generating rod 122 and the diameter of the third segment of heat generating rod 120, so that the manufacturing process of the heat generating rod 120 is simpler.
In a preferred embodiment, referring to fig. 1 and 3, a mounting hole 112 is formed at the top of the valve needle body 110, the mounting hole 112 is communicated with the cavity 111, and the inner diameter of the mounting hole 112 is greater than the inner diameter of the cavity 111 to form a limiting step 113, a screw 130 is arranged in the mounting hole 112, and the screw 130 is in threaded connection with the mounting hole 112 and is limited by the limiting step 113. This arrangement can stably fix the heat generating rod 120 in the cavity 111.
Optionally, the screw 130 is connected to the mounting hole 112 by welding after being screwed. This makes it possible to more stably fix the heat generating rod 120 in the cavity 111.
In a preferred embodiment, with continued reference to fig. 1 and 3, a first connecting portion 114 is disposed on the top of valve needle body 110, and first connecting portion 114 is used for being connected to valve needle hanging platform 2000 in a matching manner. By the arrangement of the first connection portion 114, the connection of the valve needle structure 100 and the valve needle hanging table 2000 is realized.
In a preferred embodiment, referring to fig. 3, the side surface of the top of the valve needle body 110 is provided with an outlet hole 115, and the cable 140 of the heating rod 120 passes through the outlet hole 115. The outlet hole 115 is provided to facilitate the cable 140 of the heating rod 120 to pass through and then electrically connect with the external temperature control box 3000.
In a preferred embodiment, referring to fig. 3, the heating rod 120 is cylindrical.
In another preferred embodiment, the heating rod 120 is spiral, so as to increase the heating area of the heating rod 120.
It should be understood that the shape of the heat generating rod 120 is not limited to the above-described cylindrical and spiral cases, but may be also a shape, which is not limited herein.
In a preferred embodiment, the diameter of the heating rod 120 is 4mm to 10 mm.
Optionally, the diameter of the heating rod 120 is 4 mm.
Optionally, the diameter of the heating rod 120 is 7 mm.
Optionally, the diameter of the heating rod 120 is 10 mm.
It should be understood that the diameter of the heat generating rod 120 is not limited to the above case, and may be other cases, which are not limited herein.
In a preferred embodiment, a soft rubber sleeve (not shown, the same applies below) is sleeved outside the heat-generating rod 120, the heat-generating rod 120 and the soft rubber sleeve are disposed in the cavity 111, and the soft rubber sleeve is in contact fit with the wall of the cavity 111, so that the heat-generating rod 120 disposed in the cavity 111 is prevented from shaking in the cavity 111, and the heat-generating rod 120 can be stably disposed in the cavity 111.
Referring to fig. 4, the present embodiment further provides a hot nozzle structure 1000, including the valve needle structure 100, where the hot nozzle structure 1000 further includes a hot nozzle body 200, a nozzle tip 300, and a hot nozzle heater 400, the hot nozzle heater 400 is annularly disposed on the periphery of the hot nozzle body 200, the nozzle tip 300 is disposed below the hot nozzle body 200 and connected to the hot nozzle body 200, a hot nozzle flow channel 210 is disposed in the hot nozzle body 200, and the valve needle structure 100 is disposed in the hot nozzle flow channel 210 and penetrates through the nozzle tip 300. Since the valve pin structure 100 has been described in detail above, it will not be described in detail here.
Referring to fig. 5, the present embodiment further provides a hot runner system 10000, which includes the above-mentioned hot nozzle structure 1000, the hot runner system 10000 further includes a valve needle hanging platform 2000, a second connecting portion 2100 is disposed on the valve needle hanging platform 2000, and the second connecting portion 2100 is used for connecting with the valve needle structure 100. Since the structure 1000 of the hot nozzle has been described in detail above, it will not be described in detail here.
Alternatively, the second connecting portion 2100 is connected to the first connecting portion 114, so that the valve needle structure 100 can be stably connected to the valve needle hanging platform 2000.
Optionally, the first connecting portion 114 is a connecting convex ring, the second connecting portion 2100 is a connecting groove, a notch 2200 is formed in a side wall of the connecting groove, the connecting convex ring is placed in the connecting groove through the notch 2200, so that the valve needle structure 100 is connected with the valve needle hanging table 2000, and after the cable 140 of the heating rod 120 penetrates out through the notch 2200, the cable is electrically connected with the external temperature control box 3000.
In summary, the present embodiment provides a valve needle structure 100, including: a valve needle body 110, wherein a cavity 111 is arranged in the valve needle body 110; and the heating rod 120 is arranged in the cavity 111, and transfers heat to the valve needle body 110. The embodiment further provides a hot nozzle structure 1000, which includes the valve needle structure 100, the hot nozzle structure 1000 further includes a hot nozzle body 200, a nozzle tip 300 and a hot nozzle heater 400, the hot nozzle heater 400 is annularly arranged on the periphery of the hot nozzle body 200, the nozzle tip 300 is arranged below the hot nozzle body 200 and connected with the hot nozzle body 200, a hot nozzle flow channel 210 is arranged in the hot nozzle body 200, and the valve needle structure 100 is arranged in the hot nozzle flow channel 210 and penetrates out of the nozzle tip 300. This embodiment still provides a hot runner system 10000, including the aforesaid hot mouth structure 1000, hot runner system 10000 still includes needle hanging platform 2000, be equipped with second connecting portion 2100 on the needle hanging platform 2000, second connecting portion 2100 be used for with needle structure 100 is connected. Valve needle structure 100 that this embodiment provided, structure 1000 and hot runner system 10000 are chewed to heat, set up cavity 111 in valve needle body 110, and place the stick 120 that generates heat in cavity 111, the heat transfer that the stick 120 that generates heat produced to valve needle body 110, the temperature of valve needle body 110 has been improved, valve needle body 110 again chews the inside plastic of structure with heat transfer, make when moulding plastics the plastic, even when the cooling pressurize, the runner also can be sealed to the valve needle head, the condition of having avoided valve needle backset completely takes place, the yield of the product of moulding plastics has been improved, and valve needle structure 100 that this embodiment provided, a structure is simple, and convenient manufacture, low cost.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A valve pin structure, comprising:
the valve needle comprises a valve needle body, wherein a cavity is formed in the valve needle body;
the heating rod is arranged in the cavity and transmits heat to the valve needle body.
2. The valve needle structure of claim 1 wherein the valve needle body comprises a first valve needle section, a second valve needle section and a third valve needle section arranged in sequence, and the first valve needle section, the second valve needle section and the third valve needle section are of a one-piece structure;
the second valve needle section is used for being placed in the hot nozzle flow channel, the length of the second valve needle section corresponds to that of the hot nozzle heater, the first valve needle section extends out of the hot nozzle flow channel and is close to the end of the mold cavity, and the third valve needle section extends out of the hot nozzle flow channel and is close to the end of the valve needle hanging table;
the cavity is including the first cavity, second cavity and the third cavity that communicate in proper order, first needle section, second needle section and be equipped with respectively in the third needle section first cavity, the second cavity and the third cavity, just first cavity extends to set up to the terminal of first needle section, just the terminal of first needle section is sealed.
3. The valve needle structure of claim 2, wherein the heat generating rod comprises a first section of heat generating rod, and the first section of heat generating rod is arranged in the first cavity;
or the heating rod comprises a first section of heating rod and a second section of heating rod, the first section of heating rod and the second section of heating rod are of an integrated structure, the first section of heating rod is arranged in the first cavity, and the second section of heating rod is arranged in the second cavity;
or the heating rod comprises a first section of heating rod, a second section of heating rod and a third section of heating rod, the first section of heating rod, the second section of heating rod and the third section of heating rod are of an integrated structure, the first section of heating rod is arranged in the first cavity, the second section of heating rod is arranged in the second cavity, and the third section of heating rod is arranged in the third cavity.
4. The valve needle structure of claim 1, wherein the top of the valve needle body is provided with a mounting hole, the mounting hole is communicated with the cavity, the inner diameter of the mounting hole is larger than that of the cavity to form a limiting step, a screw is arranged in the mounting hole, and the screw is in threaded connection with the mounting hole and is limited by the limiting step.
5. The valve needle structure of claim 1, wherein the top of the valve needle body is provided with a first connecting part, and the first connecting part is used for being matched and connected with the valve needle hanging table.
6. The needle structure of claim 1 wherein the needle body top has an outlet hole on the side through which the cable of the heat generating rod passes.
7. The valve needle structure of claim 1 wherein the heat-generating rod is cylindrical;
or the heating rod is spiral.
8. The valve needle structure of claim 1, wherein the diameter of the heating rod is 4mm to 10 mm.
9. A hot nozzle structure, characterized in that, includes the needle structure of any claim 1 ~ 8, the hot nozzle structure still includes hot nozzle body, nozzle tip and hot nozzle heater, the hot nozzle heater ring locates the periphery of hot nozzle body, the nozzle tip locates the below of hot nozzle body and with the body coupling is chewed to the heat, the hot nozzle is internal to be equipped with hot nozzle runner, the needle structure locate in the hot nozzle runner and wear out the nozzle tip.
10. A hot-runner system, comprising the hot nozzle structure of claim 9, and further comprising a valve needle hanging platform, wherein the valve needle hanging platform is provided with a second connecting portion, and the second connecting portion is used for connecting with the valve needle structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220489236.6U CN217098699U (en) | 2022-03-03 | 2022-03-03 | Valve needle structure, hot nozzle structure and hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220489236.6U CN217098699U (en) | 2022-03-03 | 2022-03-03 | Valve needle structure, hot nozzle structure and hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217098699U true CN217098699U (en) | 2022-08-02 |
Family
ID=82601649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220489236.6U Active CN217098699U (en) | 2022-03-03 | 2022-03-03 | Valve needle structure, hot nozzle structure and hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217098699U (en) |
-
2022
- 2022-03-03 CN CN202220489236.6U patent/CN217098699U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217098699U (en) | Valve needle structure, hot nozzle structure and hot runner system | |
| CN114454439A (en) | Valve needle structure, hot nozzle structure and hot runner system | |
| CN210148626U (en) | Hot nozzle | |
| CN212826613U (en) | Novel hot runner structure | |
| CN215619593U (en) | Automatic feeding device for full-automatic injection molding machine | |
| CN214395222U (en) | Hot nozzle structure with lengthened nozzle core | |
| CN210851156U (en) | Hot nozzle for improving installation position of temperature sensing line of hot nozzle | |
| CN212331710U (en) | Hot nozzle assembly and hot runner mold | |
| CN210389977U (en) | Hot runner system for injection mold and inverted injection mold | |
| CN214521665U (en) | New generation single point needle valve | |
| CN215151427U (en) | Deep cavity needle valve type hot nozzle structure | |
| CN217098698U (en) | Hot nozzle structure and hot runner system | |
| CN214687725U (en) | Hot runner structure of injection mold | |
| CN216373094U (en) | Plastics shoe mold injection head that intelligence was prevented blockking up | |
| CN212219184U (en) | Make even refrigerated heat of injection moulding product chew cooling structure | |
| CN217803062U (en) | Side feeding type thin-wall hot nozzle | |
| CN213137647U (en) | High-regulation and high-stability hot runner mold | |
| CN205467081U (en) | Structure is chewed to open heat of single -point | |
| CN212707814U (en) | Hot mouth subassembly of energy-conserving injection hot runner | |
| CN217047328U (en) | Nozzle device for hot runner system | |
| CN113733486A (en) | Internal temperature sensing hot nozzle | |
| CN218615219U (en) | Open type liquid silica gel cold nozzle | |
| CN218803642U (en) | Hot runner hot nozzle structure | |
| CN218985550U (en) | Hot runner injection mold | |
| CN221161310U (en) | Mould advances gluey extension device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |