CN211807572U - Production of full hot runner water dropper mould is with four runner injection molding nozzles of leak protection glue internal heating - Google Patents
Production of full hot runner water dropper mould is with four runner injection molding nozzles of leak protection glue internal heating Download PDFInfo
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- CN211807572U CN211807572U CN202020385399.0U CN202020385399U CN211807572U CN 211807572 U CN211807572 U CN 211807572U CN 202020385399 U CN202020385399 U CN 202020385399U CN 211807572 U CN211807572 U CN 211807572U
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Abstract
The utility model discloses a leakage-proof glue internal heating four-runner injection molding nozzle for producing a full hot runner dripper mold, which comprises a nozzle body, a positioning seat and four spray heads; four feeding runners are arranged in the positioning seat, and the lower end of each feeding runner is communicated with the matched spray head through the corresponding internal heating runner; the method is characterized in that: the central axis of the nozzle body is provided with a heating rod, and the four inner heating runners are uniformly distributed on the outer side of the heating rod; the upper end of the feeding runner is communicated with the feeding groove on the upper end face of the positioning seat, and the middle part of the positioning seat is provided with a threading hole communicated with the heating rod installation cavity where the heating rod is located. The utility model discloses be convenient for repair and change, labour saving and time saving has reduced manufacturing cost, has prolonged life, and the specially adapted is used when four products of full hot runner dripper mould simultaneous injection moulding production.
Description
Technical Field
The utility model relates to a full hot runner water dropper mould is with four runner injection moulding nozzle's improvement, specifically speaking are full hot runner water dropper mould production is with four runner injection moulding nozzles of leak protection glue internal heating, are applicable to in the production of four products of full hot runner water dropper mould simultaneous injection moulding.
Background
With the continuous development of the dripper mold industry, the traditional cold runner mold is gradually changed into a high-efficiency full hot runner dripper mold, and the full hot runner dripper mold can shorten the molding period and reduce waste materials; in the process of mass production, in order to reduce the cost of the finished parts, four products are formed by one-step injection molding through a four-runner injection molding nozzle for a full hot runner dripper mold. The four-runner injection molding nozzle for the conventional full hot runner dripper mold comprises a nozzle body, a positioning seat, a nozzle and a heating sleeve, wherein the nozzle body is cylindrical, four heating runners which are parallel to each other are arranged in the nozzle body, the heating sleeve is sleeved on the outer wall of the nozzle body, the positioning seat is arranged at the upper part of the nozzle body, four feeding runners are arranged in the positioning seat, each feeding runner is communicated with the corresponding heating runner, the nozzle is fixedly arranged at the lower end of each heating runner, and the four nozzles are matched with the four dripper molds, so that four products can be molded at one time; during installation, the four spray heads are respectively and correspondingly arranged on a cavity plate of the injection molding machine, the nozzle body is arranged in a mounting hole of the die carrier A plate, the positioning seat is arranged on the upper plate surface of the die carrier A plate, and the wire of the heating jacket penetrates out from the outer side of the positioning seat and the inner wall of the mounting hole of the die carrier A plate. The disadvantages are that: in the use, the junction between nozzle body and the shower nozzle takes place easily to leak and glues to get into the annular cavity between the mounting hole of die carrier A board and the nozzle body, flow from the upper end of the mounting hole of die carrier A board again, pollute die carrier A board and damage the wire, lead to equipment to damage, simultaneously, also waste time and energy when clearance is leaked and is maintained.
Disclosure of Invention
An object of the utility model is to provide a use when being applicable to four products of full hot runner water dropper mould simultaneous injection moulding production, simple structure, the leakproofness is good, convenient to use, be convenient for repair and change, can reduce cost, increase of service life's full hot runner water dropper mould production is with leak protection glue internal heating four runner nozzle of moulding plastics.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the glue leakage preventing internally-heating four-runner injection molding nozzle for the production of the full-hot runner dripper mold comprises a nozzle body, a positioning seat and a nozzle, wherein the positioning seat is fixedly arranged at the upper part of the nozzle body; the method is characterized in that: the central axis of the nozzle body is provided with a heating rod installation cavity, the four inner heating flow channels are uniformly distributed and arranged on the outer side of the heating rod installation cavity, the heating rod is arranged in the heating rod installation cavity, the lower end of the heating rod installation cavity is provided with a plug installation cavity, plugs are arranged in the plug installation cavities, the lower end of each inner heating flow channel is provided with a spray head installation cavity, and spray heads are arranged in the spray head installation cavities; the upper end face of the positioning seat is provided with a feeding groove, the upper ends of the four feeding runners are communicated with the feeding groove, the middle of the positioning seat is provided with a threading hole, the threading hole is arranged between the two adjacent feeding runners, the inner end part of the threading hole is communicated with the upper end of the heating rod installation cavity, and the outer end opening of the threading hole is positioned on the side wall of the positioning seat.
The lower end face of the nozzle body is provided with four positioning cylinders, each positioning cylinder is fixedly arranged at the lower port edge of the matched spray head installation cavity, and the lower end of the spray head penetrates out of the lower port of the positioning cylinder; the positioning seat, the nozzle body and the four positioning cylinders are manufactured into a whole.
The cross section of the nozzle body is circular, and the cross section of the positioning seat is circular.
This internal temperature sensing stick installation cavity that is equipped with of nozzle, the axis of temperature sensing stick installation cavity is parallel with the axis of nozzle body, is equipped with the temperature sensing stick in the temperature sensing stick installation cavity, is equipped with the temperature sensing stick metallic channel on the top panel of positioning seat, the temperature sensing stick metallic channel is linked together with the upper end of temperature sensing stick installation cavity, the wire setting of temperature sensing stick is in the temperature sensing stick metallic channel.
The middle part of the upper end face of the positioning seat is provided with an upper boss, and the central axis of the upper boss coincides with the central axis of the feeding groove.
The two threading holes are arranged, and the inner end parts of the two threading holes are communicated with the upper end of the heating rod installation cavity.
And the side wall of the positioning seat is provided with a positioning groove.
And a lower boss is arranged on the lower end face of the positioning seat.
The upper end clearance fit of shower nozzle connect and set up in the shower nozzle installation intracavity, the middle part of shower nozzle is equipped with the ejection of compact chamber, the lower extreme of shower nozzle is equipped with the discharge opening, the upper end in ejection of compact chamber is linked together with corresponding interior heating runner, the lower extreme in ejection of compact chamber is linked together with the discharge opening.
The plug is arranged in the plug mounting cavity in an interference fit mode.
The beneficial effects of the utility model reside in that: the heating rod is arranged in the cavity in the middle of the nozzle body, the lead of the heating rod penetrates out of the positioning seat above the heating rod, the positioning seat is in end-face sealing fit with the die carrier A plate of the injection molding machine, the four positioning cylinders are in end-face sealing fit with the die cavity plate, and an air heat insulation layer with a certain gap is formed between the outer wall of the nozzle body and the inner wall of the mounting hole of the die carrier A plate; meanwhile, a temperature sensing rod is arranged inside the nozzle body so as to detect the temperature of the nozzle body and adjust the temperature in time; and the parts required by the whole assembly are fewer, the repair and the replacement are convenient, the time and the labor are saved, the production cost is reduced, the service life is prolonged, and the full hot runner dripper mold is particularly suitable for being used when four products are produced by injection molding at the same time.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
fig. 3 is a schematic sectional view of the present invention along the direction a-a in fig. 2;
fig. 4 is a schematic sectional view of the nozzle body and the positioning seat along the direction a-a in fig. 2 according to the present invention;
fig. 5 is a schematic sectional view of the nozzle body and the positioning seat of the present invention along the direction B-B in fig. 2;
fig. 6 is a schematic sectional view of the nozzle body and the positioning seat of the present invention along the direction C-C in fig. 2;
FIG. 7 is a schematic sectional view of the structure of the nozzle head of the present invention;
fig. 8 is a schematic view of the installation state of the present invention.
In the figure: 1. a nozzle body; 11. a positioning cylinder; 12. an internal heating flow channel; 13. a heating rod installation cavity; 14. a nozzle mounting cavity; 15. a plug mounting cavity; 16. a temperature sensing rod installation cavity; 2. positioning seats; 21. a lower boss; 22. an upper boss; 23. a feeding groove; 24. a feed runner; 25. positioning a groove; 26. threading holes; 3. a spray head; 31. a discharge cavity; 32. a discharge hole; 4. a heating rod; 5. a plug; 6. a mould frame A plate; 7. a cavity plate.
Detailed Description
The present invention is made with reference to fig. 1, 2, 3, 4, 5, 6, 7, and 8.
The glue leakage preventing internally heating four-runner injection molding nozzle for the production of the full-hot runner dripper mold comprises a nozzle body 1, a positioning seat 2 and spray heads 3, wherein the positioning seat 2 is fixedly arranged at the upper part of the nozzle body 1, four mutually parallel internally heating runners 12 are arranged in the nozzle body 1, four feeding runners 24 are arranged in the positioning seat 2, the four spray heads 3 are arranged at the lower end of the nozzle body 1, and the lower end of each feeding runner 24 is communicated with the matched spray head 3 through the corresponding internally heating runner 12; the method is characterized in that: a heating rod installation cavity 13 is arranged on the central axis of the nozzle body 1, four inner heating flow channels 12 are uniformly distributed and arranged on the outer side of the heating rod installation cavity 13, and the heating rod 4 is arranged in the heating rod installation cavity 13, so that the heating rod 4 has the same heating effect on each inner heating flow channel 12, a plug installation cavity 15 is arranged at the lower end of the heating rod installation cavity 13, a plug 5 is arranged in the plug installation cavity 15, a spray head installation cavity 14 is arranged at the lower end of each inner heating flow channel 12, and the spray head 3 is arranged in the spray head installation cavity 14; the upper end face of the positioning seat 2 is provided with a feeding groove 23, the upper ends of the four feeding runners 24 are communicated with the feeding groove 23, the middle of the positioning seat 2 is provided with a threading hole 26, the threading hole 26 is arranged between the two adjacent feeding runners 24, the inner end part of the threading hole 26 is communicated with the upper end of the heating rod installation cavity 13, and the outer end opening of the threading hole 26 is positioned on the side wall of the positioning seat 2, so that a wire of the heating rod 4 can penetrate out of the threading hole 26.
The lower end face of the nozzle body 1 is provided with four positioning cylinders 11, each positioning cylinder 11 is fixedly arranged at the lower port edge of the matched spray head mounting cavity 14, the lower end of the spray head 3 penetrates out of the lower port of the positioning cylinder 11, and when the nozzle body is used, the lower port edge of the positioning cylinder 11 and the inner end face of the spray head mounting hole of the cavity plate 7 of the injection molding machine form end face sealing fit to play a role of sealing glue; the positioning seat 2, the nozzle body 1 and the four positioning cylinders 11 are manufactured into a whole.
The cross section of the nozzle body 1 is circular, and the cross section of the positioning seat 2 is circular.
The nozzle body 1 in be equipped with temperature sensing stick installation cavity 16, the axis of temperature sensing stick installation cavity 16 is parallel with the axis of nozzle body 1, is equipped with the temperature sensing stick in the temperature sensing stick installation cavity 16 to detect the temperature of nozzle body 1, be equipped with temperature sensing stick wire casing 27 on the top panel of positioning seat 2, temperature sensing stick wire casing 27 is linked together with the upper end of temperature sensing stick installation cavity 16, the wire setting of temperature sensing stick is in temperature sensing stick wire casing 27, in order to prevent to influence the installation of positioning seat 2.
The middle part of the upper end face of the positioning seat 2 is provided with an upper boss 22, and the central axis of the upper boss 22 coincides with the central axis of the feeding groove 23, so that the end face sealing is formed between the upper boss and a glue outlet of a hot runner plate of an injection molding machine.
Two threading holes 26 are arranged, and the inner end parts of the two threading holes 26 are communicated with the upper end of the heating rod installation cavity 13, so that two conductive wires of the heating rod 4 respectively penetrate out of the two threading holes 26.
The side wall of the positioning seat 2 is provided with a positioning groove 25, and the positioning groove 25 is matched with a positioning pin on a mold A plate 6 of the injection molding machine, so that the accurate installation and fixation are facilitated.
The lower end face of the positioning seat 2 is provided with a lower boss 21, and the lower boss 21 is in end face sealing fit with the end face of a mold A plate 6 of the injection molding machine so as to prevent glue leakage.
The upper end clearance fit of shower nozzle 3 connect and set up in shower nozzle installation cavity 14, the middle part of shower nozzle 3 is equipped with ejection of compact chamber 31, the lower extreme of shower nozzle 3 is equipped with discharge opening 32, the upper end and the corresponding interior heating runner 12 of discharge chamber 31 are linked together, the lower extreme and the discharge opening 32 of discharge chamber 31 are linked together.
The plug 5 is arranged in the plug mounting cavity 15 in an interference fit mode.
When the utility model is used, the positioning seat 2 is arranged on the upper end face of the die carrier A plate 6 of the injection molding machine and forms end face seal, the nozzle body 1 is arranged in the nozzle body mounting hole of the die carrier A plate 6, a certain gap is reserved between the outer wall of the nozzle body 1 and the inner wall of the nozzle body mounting hole, so that an air heat insulation layer is formed to play a role in heat insulation, the four spray heads 3 are respectively positioned in the four spray head mounting holes of the cavity plate 7, the lower port edges of the four positioning cylinders 11 form end face seal fit with the inner end face of the spray head mounting hole of the cavity plate 7 of the injection molding machine, and a function of glue sealing is played; because the wire of the heating rod 4 penetrates out of the threading hole 26 and the wire of the temperature sensing rod is arranged in the wire groove 27 of the temperature sensing rod, the wire cannot be polluted and damaged even if glue leakage occurs in the spray head 3, and the use is safe and reliable.
Claims (10)
1. The glue leakage preventing internal heating four-runner injection molding nozzle for the production of the full-hot runner dripper mold comprises a nozzle body (1), a positioning seat (2) and a sprayer (3), wherein the positioning seat (2) is fixedly arranged at the upper part of the nozzle body (1), four internal heating runners (12) which are parallel to each other are arranged in the nozzle body (1), four feeding runners (24) are arranged in the positioning seat (2), four sprayers (3) are arranged at the lower end of the nozzle body (1), and the lower end of each feeding runner (24) is communicated with the matched sprayer (3) through the corresponding internal heating runner (12); the method is characterized in that: a heating rod installation cavity (13) is arranged on the central axis of the nozzle body (1), four inner heating flow channels (12) are uniformly distributed on the outer side of the heating rod installation cavity (13), a heating rod (4) is arranged in the heating rod installation cavity (13), a plug installation cavity (15) is arranged at the lower end of the heating rod installation cavity (13), a plug (5) is arranged in the plug installation cavity (15), a spray head installation cavity (14) is arranged at the lower end of each inner heating flow channel (12), and a spray head (3) is arranged in the spray head installation cavity (14); the upper end face of positioning seat (2) on be equipped with feeding groove (23), the upper end of four feeding runner (24) all is linked together with feeding groove (23), the middle part of positioning seat (2) is equipped with through wires hole (26), through wires hole (26) set up between two adjacent feeding runner (24), the interior tip of through wires hole (26) is linked together with the upper end of heating rod installation cavity (13), the outer port of through wires hole (26) is located the lateral wall of positioning seat (2).
2. The four-runner injection molding nozzle with the leakage-proof glue and the internal heating function for the production of the full hot runner dripper mold according to claim 1, is characterized in that: the lower end face of the nozzle body (1) is provided with four positioning cylinders (11), each positioning cylinder (11) is fixedly arranged at the lower port edge of the adaptive spray head installation cavity (14), and the lower end of the spray head (3) penetrates out of the lower port of the positioning cylinder (11); the positioning seat (2), the nozzle body (1) and the four positioning cylinders (11) are manufactured into a whole.
3. The four-runner injection molding nozzle with the leakage-proof glue and the internal heating function for the production of the full hot runner dripper mold according to claim 1, is characterized in that: the cross section of the nozzle body (1) is circular, and the cross section of the positioning seat (2) is circular.
4. The four-runner injection molding nozzle with the leakage-proof glue and the internal heating function for the production of the full hot runner dripper mold according to claim 1, is characterized in that: the nozzle body (1) in be equipped with temperature sensing stick installation cavity (16), the axis of temperature sensing stick installation cavity (16) is parallel with the axis of nozzle body (1), be equipped with the temperature sensing stick in temperature sensing stick installation cavity (16), be equipped with temperature sensing stick wire casing (27) on the top panel of positioning seat (2), temperature sensing stick wire casing (27) are linked together with the upper end of temperature sensing stick installation cavity (16), the wire setting of temperature sensing stick is in temperature sensing stick wire casing (27).
5. The four-runner injection molding nozzle with the leakage-proof glue and the internal heating function for the production of the full hot runner dripper mold according to claim 1, is characterized in that: the middle part of the upper end face of the positioning seat (2) is provided with an upper boss (22), and the central axis of the upper boss (22) coincides with the central axis of the feeding groove (23).
6. The four-runner injection molding nozzle with the leakage-proof glue and the internal heating function for the production of the full hot runner dripper mold according to claim 1, is characterized in that: two threading holes (26) are arranged, and the inner end parts of the two threading holes (26) are communicated with the upper end of the heating rod installation cavity (13).
7. The four-runner injection molding nozzle with the leakage-proof glue and the internal heating function for the production of the full hot runner dripper mold according to claim 1, is characterized in that: and a positioning groove (25) is arranged on the side wall of the positioning seat (2).
8. The four-runner injection molding nozzle with the leakage-proof glue and the internal heating function for the production of the full hot runner dripper mold according to claim 1, is characterized in that: the lower end face of the positioning seat (2) is provided with a lower boss (21).
9. The four-runner injection molding nozzle with the leakage-proof glue and the internal heating function for the production of the full hot runner dripper mold according to claim 1, is characterized in that: the upper end clearance fit of shower nozzle (3) connect and set up in shower nozzle installation cavity (14), the middle part of shower nozzle (3) is equipped with ejection of compact chamber (31), the lower extreme of shower nozzle (3) is equipped with discharge opening (32), the upper end and the corresponding interior heating runner (12) of ejection of compact chamber (31) are linked together, the lower extreme and the discharge opening (32) of ejection of compact chamber (31) are linked together.
10. The four-runner injection molding nozzle with the leakage-proof glue and the internal heating function for the production of the full hot runner dripper mold according to claim 1, is characterized in that: the plug (5) is arranged in the plug mounting cavity (15) in an interference fit manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020385399.0U CN211807572U (en) | 2020-03-24 | 2020-03-24 | Production of full hot runner water dropper mould is with four runner injection molding nozzles of leak protection glue internal heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020385399.0U CN211807572U (en) | 2020-03-24 | 2020-03-24 | Production of full hot runner water dropper mould is with four runner injection molding nozzles of leak protection glue internal heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211807572U true CN211807572U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020385399.0U Active CN211807572U (en) | 2020-03-24 | 2020-03-24 | Production of full hot runner water dropper mould is with four runner injection molding nozzles of leak protection glue internal heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211807572U (en) |
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2020
- 2020-03-24 CN CN202020385399.0U patent/CN211807572U/en active Active
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