CN212860237U - Low-pressure injection molding joint - Google Patents
Low-pressure injection molding joint Download PDFInfo
- Publication number
- CN212860237U CN212860237U CN202021184916.4U CN202021184916U CN212860237U CN 212860237 U CN212860237 U CN 212860237U CN 202021184916 U CN202021184916 U CN 202021184916U CN 212860237 U CN212860237 U CN 212860237U
- Authority
- CN
- China
- Prior art keywords
- joint
- injecting glue
- mould
- low pressure
- injection molding
- 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.)
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- 238000001746 injection moulding Methods 0.000 title claims description 38
- 239000003292 glue Substances 0.000 claims abstract description 51
- 238000002347 injection Methods 0.000 claims description 38
- 239000007924 injection Substances 0.000 claims description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000011888 foil Substances 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 11
- 229920003023 plastic Polymers 0.000 abstract description 11
- 238000000465 moulding Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 6
- 239000004831 Hot glue Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 7
- 239000004202 carbamide Substances 0.000 description 7
- 238000005538 encapsulation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000012778 molding material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a low pressure joint of moulding plastics, which comprises a die, be equipped with the fixed joint of moulding plastics of recess in the mould, the joint both ends of moulding plastics have the cardboard to pass through the bolt fastening respectively, and the injecting glue mouth is seted up to mould one side, injecting glue mouth one end swing joint screw rod, and the injecting glue runner of seting up in injecting glue mouth and the mould corresponds, and the injecting glue runner other end is connected with the recess of mould, the screw rod comprises the body of rod, end-stopping ring, packing ring and screw rod head. This low pressure joint of moulding plastics, be equipped with the fixed joint of moulding plastics of recess in the mould, it has the cardboard to pass through the bolt fastening to mould plastics to connect both ends respectively, be equipped with the injecting glue material for PA646 in the injecting glue mouth, the injecting glue mouth passes through screw rod rotation activity, the low pressure injecting glue, the injecting glue runner is the C type, the joint of moulding plastics is outer through encapsulating the technique, use the hot melt adhesive to encapsulate to the joint of moulding plastics, the screw rod passes through rotation activity, form the interior low pressure environment of mould, the damage of the inside electric wire and resistance line of avoiding.
Description
Technical Field
The utility model relates to a low pressure technical field of moulding plastics specifically is a low pressure joint of moulding plastics.
Background
The urea pipe is a pipeline for spraying urea aqueous solution, the existing urea pipe encapsulation joint generally does not adopt a low-pressure injection molding joint, resistance wires in the urea pipe are easy to damage, the existing injection molding joint does not adopt a low-temperature low-pressure production mode, the production efficiency is low, the quality of finished products is poor, and the design of the low-pressure injection molding joint is necessary for overcoming the defects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low pressure joint of moulding plastics, the screw rod passes through rotatory activity, forms the interior low pressure environment of mould, and the damage of the inside electric wire and the resistance line of avoiding has guaranteed the stability of product function, and it receives pressure rearward movement to end contrary ring, forms to let back to let out sealedly, makes the injecting glue material of screw rod head front end can not flow back, improves production efficiency, reduces the off-the-shelf rate of finished product, can solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
a low-pressure injection molding joint comprises a mold, wherein a groove is formed in the mold for fixing the injection molding joint, two ends of the injection molding joint are respectively provided with a clamping plate which is fixed through a bolt, one side of the mold is provided with a glue injection port, one end of the glue injection port is movably connected with a screw, the glue injection port corresponds to a glue injection runner formed in the mold, and the other end of the glue injection runner is connected with the groove of the mold;
a heat shrink tube is arranged in the injection molding connector, one end of the heat shrink tube is connected with the quick-connection connector, the other end of the heat shrink tube is connected with an electric wire and a resistance wire, the electric wire penetrates through the first corrugated pipe, and the resistance wire penetrates through the second corrugated pipe;
the resistance wire is sleeved with an inner-layer hose, an aluminum foil layer is coated outside the inner-layer hose, and a coating layer connected with the inner wall of the second corrugated pipe is coated outside the aluminum foil layer.
Preferably, the screw rod consists of a rod body, a non-return ring, a gasket and a screw rod head, the screw rod head is provided with threads, one end of the screw rod penetrates through the non-return ring and the gasket to be connected with the rod body, the non-return ring is sleeved at one end of the rod body, and the gasket is sleeved at the other side of the non-return ring.
Preferably, the mould is a component made of aluminum, a glue injection runner and a round hole which are communicated with each other are formed in the mould, the glue injection runner is connected with the glue injection port, and the round hole is connected with a groove in the mould.
Preferably, the glue injection port is used for injecting glue through the movable low-pressure screw rod, and the glue injection runner is of a C shape.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the low-pressure injection molding joint is characterized in that a groove is formed in a mold for fixing the injection molding joint, clamping plates are arranged at two ends of the injection molding joint respectively and are fixed through bolts, an injection molding material of PA is arranged in an injection molding opening, the injection molding opening is rotated and moved through a screw rod for low-pressure injection molding, an injection molding flow passage is C-shaped to form a flow passage buffer area, the injection molding joint is encapsulated by hot melt adhesive through an encapsulation technology, and because the working pressure is low, the cutting temperature is low, the internal resistance line cannot be damaged, the corrosion resistance is realized, the product encapsulated inside can be well protected, and the low-pressure injection molding joint is very suitable for encapsulation of a urea pipe connector; the screw head is provided with threads, one end of the screw is connected with the rod body through the check ring and the gasket in a penetrating mode, the check ring is sleeved at one end of the rod body, the gasket is sleeved at the other side of the check ring, the service lives of the check ring and the screw head are prolonged, the screw forms a low-pressure environment in a die through rotation and movement, damage to an internal electric wire and a resistance wire is avoided, stability of product functions is guaranteed, the check ring moves backwards under pressure to form a back-leakage seal, glue injection materials at the front end of the screw head cannot flow back, production efficiency is improved, and the defective rate of a finished product is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
fig. 3 is an exploded view of a part of the present invention.
In the figure: 1. a mold; 2. injection molding a joint; 3. clamping a plate; 4. injecting glue runner; 5. a glue injection port; 6. a first bellows; 7. heat shrink tubing; 8. a quick connector; 9. a second bellows; 10. an inner layer hose; 11. an aluminum foil layer; 12. a coating layer; 13. a resistance wire; 14. an electric wire; 15. a screw; 16. a rod body; 17. a non-return ring; 18. a gasket; 19. the screw head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a low-pressure injection molding joint includes a mold 1, a groove is formed in the mold 1 to fix an injection molding joint 2, two ends of the injection molding joint 2 are respectively provided with a clamping plate 3 fixed by a bolt, the mold 1 is a component made of aluminum, a glue injection runner 4 and a round hole which are mutually communicated are formed in the mold 1, the glue injection runner 4 is connected with a glue injection port 5, the round hole is connected with the groove on the mold 1 to ensure that a glue injection material in the glue injection port 5 flows into the groove, the glue injection port 5 corresponds to the glue injection runner 4 formed in the mold 1, one end of the glue injection port 5 is movably connected with a screw 15, the other end of the glue injection runner 4 is connected with the groove of the mold 1, a glue injection colloidal particle made of PA646 is formed in the glue injection port 5, the glue injection port 5 is rotated by the screw 15 to perform low; the injection molding connector 2 is internally provided with the heat shrinkable tube 7, the heat shrinkable tube 7 has excellent flame retardant and insulating properties, is very soft and elastic, has low shrinkage temperature and fast shrinkage, one end of the heat shrinkable tube 7 is connected with the fast plug connector 8, the other end of the heat shrinkable tube is connected with the electric wire 14 and the resistance wire 13, the electric wire 14 penetrates through the first corrugated tube 6, the resistance wire 13 penetrates through the second corrugated tube 9, the injection molding connector 2 is encapsulated by hot melt adhesive through an encapsulating technology outside the injection molding connector 2, the hot melt adhesive has fluidity and large bonding force, can increase the fixity of the quick connector 8, can not loosen after being pulled out and inserted for many times, can also carry out glue permeation on the convex-concave parts of the first corrugated pipe 6 and the second corrugated pipe 9 to increase the adhesive force, because the working pressure is low and the cutting temperature is low, the internal resistance wire 13 cannot be damaged, and the corrosion resistance is realized, the encapsulated product can be well protected, and the urea pipe connector and the pipeline can be very suitable for encapsulation; an inner hose 10 is sleeved outside the resistance wire 13, an aluminum foil layer 11 is coated outside the inner hose 10, and a coating layer 12 connected with the inner wall of the second corrugated pipe 9 is coated outside the aluminum foil layer 11; the screw 15 is composed of a rod body 16, a non-return ring 17, a gasket 18 and a screw head 19, the screw head 19 is provided with threads, one end of the screw penetrates through the non-return ring 17 and the gasket 18 to be connected with the rod body 16, the non-return ring 17 is sleeved at one end of the rod body 16, the gasket 18 is sleeved at the other side of the non-return ring 17, the service lives of the non-return ring 17 and the screw head 19 are prolonged, the screw 15 forms a low-pressure environment in the die 1 through rotation, the damage of the internal electric wire 14 and the resistance wire 13 is avoided, the stability of product functions is guaranteed, the non-return ring 17 moves backwards under pressure to form a back-discharge seal, glue injection materials at the front end of the screw head 19 cannot flow back.
In conclusion, a groove is arranged in a mold 1 to fix an injection molding connector 2, two ends of the injection molding connector 2 are respectively provided with a clamping plate 3 which is fixed through a bolt, an injection molding material PA646 is arranged in an injection molding opening 5, the injection molding opening 5 is rotationally moved through a screw 15, low-pressure injection is performed, an injection molding runner 4 is C-shaped to form a runner buffer area, the injection molding connector 2 is externally encapsulated by hot melt adhesive through an encapsulation technology, and the low-pressure injection molding connector has low working pressure and low cutting temperature, cannot damage an internal resistance wire 13, has corrosion resistance, can well protect products encapsulated inside, and is very suitable for encapsulation of a urea pipe connector and a pipeline; the screw head 19 is provided with threads, one end of the screw penetrates through the non-return ring 17 and the gasket 18 to be connected with the rod body 16, the non-return ring 17 is sleeved at one end of the rod body 16, the gasket 18 is sleeved at the other side of the non-return ring 17, the service lives of the non-return ring 17 and the screw head 19 are prolonged, the screw 15 forms a low-pressure environment in the die 1 through rotation, the damage to the internal electric wire 14 and the resistance wire 13 is avoided, the stability of the product function is guaranteed, the non-return ring 17 moves backwards under the pressure to form a back-discharge seal, the glue injection material at the front end of the screw head 19 cannot flow back, the production efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A low pressure injection joint, includes mould (1), its characterized in that: the injection mold is characterized in that a groove is formed in the mold (1) to fix the injection joint (2), clamping plates (3) are respectively arranged at two ends of the injection joint (2) and fixed through bolts, a glue injection port (5) is formed in one side of the mold (1), one end of the glue injection port (5) is movably connected with a screw (15), the glue injection port (5) corresponds to a glue injection runner (4) formed in the mold (1), and the other end of the glue injection runner (4) is connected with the groove of the mold (1);
a heat shrink tube (7) is arranged in the injection molding connector (2), one end of the heat shrink tube (7) is connected with the quick-connection plug (8), the other end of the heat shrink tube is connected with an electric wire (14) and a resistance wire (13), the electric wire (14) penetrates through the first corrugated tube (6), and the resistance wire (13) penetrates through the second corrugated tube (9);
the resistance wire (13) is sleeved with an inner-layer hose (10), the inner-layer hose (10) is wrapped with an aluminum foil layer (11), and the aluminum foil layer (11) is wrapped with a wrapping layer (12) connected with the inner wall of the second corrugated pipe (9).
2. The low pressure injection molding joint as claimed in claim 1, wherein: the screw (15) is composed of a rod body (16), a non-return ring (17), a gasket (18) and a screw head (19), the screw head (19) is provided with threads, one end of the screw head penetrates through the non-return ring (17) and the gasket (18) to be connected with the rod body (16), the non-return ring (17) is sleeved at one end of the rod body (16), and the gasket (18) is sleeved at the other side of the non-return ring (17).
3. The low pressure injection molding joint as claimed in claim 1, wherein: mould (1) is the component that aluminium system was equipped, sets up injecting glue runner (4) and the round hole that communicates each other in mould (1), and injecting glue runner (4) are connected with injecting glue mouth (5), and the groove connection on round hole and mould (1).
4. The low pressure injection molding joint as claimed in claim 1, wherein: the glue injection port (5) is used for injecting glue through the movable screw at low pressure, and the glue injection runner (4) is C-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021184916.4U CN212860237U (en) | 2020-06-23 | 2020-06-23 | Low-pressure injection molding joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021184916.4U CN212860237U (en) | 2020-06-23 | 2020-06-23 | Low-pressure injection molding joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212860237U true CN212860237U (en) | 2021-04-02 |
Family
ID=75211219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021184916.4U Active CN212860237U (en) | 2020-06-23 | 2020-06-23 | Low-pressure injection molding joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212860237U (en) |
-
2020
- 2020-06-23 CN CN202021184916.4U patent/CN212860237U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 555 Jieda Road, Automobile Economic and Technological Development Zone, Changchun City, Jilin Province, 130013 Patentee after: Jilin Taiyu Technology Manufacturing Co.,Ltd. Address before: No. 555, Jieda Road, Changchun automobile economic and Technological Development Zone, Changchun City, Jilin Province Patentee before: CHANGCHUN FAW SIHUAN AUTOMOBILE PIPELINE Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A low-pressure injection molding joint Granted publication date: 20210402 Pledgee: Jilin Bank Co.,Ltd. Changchun Ruixiang Branch Pledgor: Jilin Taiyu Technology Manufacturing Co.,Ltd. Registration number: Y2024220000038 |