CN220763624U - Mixing gun head for HP-RTM glue injection machine - Google Patents
Mixing gun head for HP-RTM glue injection machine Download PDFInfo
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- CN220763624U CN220763624U CN202322582070.XU CN202322582070U CN220763624U CN 220763624 U CN220763624 U CN 220763624U CN 202322582070 U CN202322582070 U CN 202322582070U CN 220763624 U CN220763624 U CN 220763624U
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- mixing seat
- mixing
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- 239000003292 glue Substances 0.000 title claims abstract description 34
- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 claims abstract description 22
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims description 40
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 229920005862 polyol Polymers 0.000 claims description 14
- 150000003077 polyols Chemical class 0.000 claims description 14
- 239000012948 isocyanate Substances 0.000 claims description 13
- 150000002513 isocyanates Chemical class 0.000 claims description 13
- 239000003921 oil Substances 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Nozzles (AREA)
- Coating Apparatus (AREA)
Abstract
The utility model relates to a mixing gun head for an HP-RTM glue injection machine. The mixing gun head for the HP-RTM glue injection machine comprises a fixed plate, a hydraulic oil cylinder, a main mixing seat, a first auxiliary mixing seat, a material pressure regulating valve and a second auxiliary mixing seat, wherein the fixed plate, the hydraulic oil cylinder, the main mixing seat and the first auxiliary mixing seat are sequentially arranged from top to bottom, and a nozzle is arranged at the bottom of the first auxiliary mixing seat; the second auxiliary mixing seat is arranged on one side of the hydraulic oil cylinder. The mixing gun head for the HP-RTM glue injection machine provided by the utility model can fully mix all raw materials, and ensures the glue injection quality.
Description
Technical Field
The utility model relates to the technical field of HP-RTM glue injection devices, in particular to a mixing gun head for an HP-RTM glue injection machine.
Background
HP-RTM is known collectively as high pressure resin transfer molding process. The method is characterized in that resin is subjected to opposite impact mixing by utilizing high-pressure and is injected into a vacuum-tight mold which is pre-paved with fiber reinforced materials and preset inserts, and the molding process of the composite material product is obtained through resin flowing mold filling, dipping, curing and demolding. The method can be widely applied to industries such as new energy automobiles, aerospace, wind power and the like. However, the mixing gun head used by the current injection machine has poor mixing effect, so that the rejection rate of the product is high.
Disclosure of Invention
In order to solve the technical problems that the mixing gun head used by the existing injection machine is poor in mixing effect and high in product rejection rate, the utility model provides the mixing gun head for the HP-RTM glue injection machine, which can fully mix all raw materials and ensures glue injection quality.
The utility model provides a mixing gun head for an HP-RTM glue injection machine, which comprises a fixed plate, a hydraulic cylinder, a main mixing seat, a first auxiliary mixing seat, a material pressure regulating valve and a second auxiliary mixing seat, wherein the fixed plate, the hydraulic cylinder, the main mixing seat and the first auxiliary mixing seat are sequentially arranged from top to bottom, and the bottom of the first auxiliary mixing seat is provided with a nozzle; the second auxiliary mixing seat is arranged on one side of the hydraulic oil cylinder; the main mixing seat comprises an inner hole penetrating through the upper end and the lower end of the main mixing seat and two groups of material holes, the inner hole is communicated with the first auxiliary mixing seat, the two groups of material holes are symmetrically arranged on two sides of the main mixing seat along the axis of the main mixing seat, each group of material holes comprises a first discharging hole, a circulating hole and a first feeding hole, the circulating hole is arranged above the first discharging hole, the first feeding hole is arranged on one side of the circulating hole, and the first discharging hole and the circulating hole are respectively communicated with the inner hole; the material pressure regulating valves are arranged in one-to-one correspondence with the material holes and are respectively fixedly connected with the main mixing seats, the input ends of the material pressure regulating valves are communicated with the first feeding holes, and the output ends of the material pressure regulating valves extend into the main mixing seats and are communicated with the first discharging holes; the piston rod of the hydraulic oil cylinder extends downwards into the inner hole and keeps sealing with the inner hole, and the moving track of the piston rod passes through the circulating hole and the first discharging hole respectively; the second auxiliary mixing seat is L-shaped, conveying holes which are communicated with each other are formed in the horizontal section and the vertical section of the second auxiliary mixing seat, a second feeding hole, a second discharging hole, a pneumatic three-way ball valve and a third feeding hole are sequentially formed in the horizontal section, a third discharging hole is formed in the lower end of the vertical section, the second feeding hole, the third feeding hole and the third discharging hole are respectively communicated with the conveying holes, the pneumatic three-way ball valve is respectively communicated with the conveying holes and the second discharging holes, and the third discharging hole is communicated with the first feeding hole which is close to the second auxiliary mixing seat.
In a preferred embodiment of the mixing gun head for the HP-RTM glue injection machine provided by the utility model, two symmetrically arranged circulating grooves are formed in the piston rod, the circulating grooves correspond to the material holes one by one, and when the piston rod is in the maximum stroke, the circulating grooves are communicated with the corresponding first discharge holes and the corresponding circulating holes; when the piston rod is in the minimum stroke, the circulation groove is only communicated with the corresponding circulation hole.
In a preferred embodiment of the mixing gun head for the HP-RTM glue injection machine provided by the utility model, the outer wall of the piston rod is provided with a high-temperature-resistant and corrosion-resistant coating.
In a preferred embodiment of the mixing gun head for the HP-RTM glue injection machine provided by the utility model, the hydraulic cylinder is further provided with an overflow valve.
In a preferred embodiment of the mixing gun head for the HP-RTM glue injection machine provided by the utility model, the material pressure regulating valve comprises a shell, a valve core and a pressure spring, wherein a cavity is arranged in the shell, a valve body inlet used for being communicated with the first feeding hole is formed in the side wall of the shell, and a valve body outlet used for being communicated with the first discharging hole is formed in the end part of the shell; the valve core and the pressure spring are arranged in the shell, one end of the pressure spring is abutted against the valve core, and the other end of the pressure spring is abutted against the inner wall of the cavity of the shell; the spool end is aligned with the valve body outlet of the housing.
In a preferred embodiment of the mixing gun head for the HP-RTM glue injection machine provided by the utility model, the main mixing seat is further provided with an assembling notch, the assembling notch is correspondingly arranged with the first discharging hole, and the assembling notch is matched with the outer contour of the shell.
In a preferred embodiment of the mixing gun head for the HP-RTM glue injection machine, the mixing gun head further comprises a connecting piece, wherein the connecting piece is fixedly arranged at the top of the fixing plate, and a hydraulic oil inlet joint, a hydraulic oil return joint, an isocyanate input joint, an isocyanate circulating joint, a polyol input joint, a polyol circulating joint, a release agent input joint, a release agent circulating joint, an air inlet joint and an air outlet joint are respectively arranged on the connecting piece, and are respectively communicated with an oil inlet and an oil return port of the hydraulic oil cylinder through pipelines; the isocyanate input joint is communicated with the first feeding hole far away from the second auxiliary mixing seat through a pipeline, and the isocyanate circulating joint is communicated with the circulating hole far away from the second auxiliary mixing seat through a pipeline; the polyol input joint is communicated with the third feeding hole through a pipeline, and the polyol circulating joint is communicated with the circulating hole close to the second auxiliary mixing seat through a pipeline; the release agent input joint is communicated with the second feeding hole through a pipeline, and the release agent circulating joint is communicated with the second discharging hole through a pipeline; the air inlet joint and the air outlet joint are respectively communicated with the pneumatic three-way ball valve through pipelines.
Compared with the prior art, the mixing gun head for the HP-RTM glue injection machine has the following beneficial effects: according to the mixing gun head for the HP-RTM glue injection machine, the main mixing seat, the first auxiliary mixing seat and the second auxiliary mixing seat are arranged, polyol and a release agent are firstly mixed in the second auxiliary mixing seat, and then the polyol and the release agent are conveyed to the main mixing seat to be mixed with isocyanate, so that all raw materials can be fully mixed, and the glue injection quality is ensured.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of the overall structure of a mixing gun head for an HP-RTM glue injector provided by the utility model;
FIG. 2 is a schematic view of the main mixing seat of FIG. 1;
FIG. 3 is a cross-sectional view of the front view of the main mixing hub of FIG. 2;
FIG. 4 is a cross-sectional view of the main mixing hub of FIG. 2 taken along line A-A;
FIG. 5 is a schematic view of the second auxiliary mixing seat shown in FIG. 1;
FIG. 6 is a cross-sectional view of the second auxiliary mixing block of FIG. 5 taken along line B-B;
FIG. 7 is a schematic view of the structure of a piston rod of the hydraulic ram shown in FIG. 1;
FIG. 8 is a schematic view of the structure of the pressure regulating valve shown in FIG. 1;
FIG. 9 is a cross-sectional view of the pressure regulating valve shown in FIG. 8;
FIG. 10 is a schematic view of the mixing tip mounting connection plate of the HP-RTM glue injector of FIG. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 10, fig. 1 is a schematic diagram illustrating an overall structure of a mixing gun head for an HP-RTM glue injector according to the present utility model; FIG. 2 is a schematic view of the main mixing seat of FIG. 1; FIG. 3 is a cross-sectional view of the front view of the main mixing hub of FIG. 2; FIG. 4 is a cross-sectional view of the main mixing hub of FIG. 2 taken along line A-A; FIG. 5 is a schematic view of the second auxiliary mixing seat shown in FIG. 1; FIG. 6 is a cross-sectional view of the second auxiliary mixing block of FIG. 5 taken along line B-B; FIG. 7 is a schematic view of the structure of a piston rod of the hydraulic ram shown in FIG. 1; FIG. 8 is a schematic view of the structure of the pressure regulating valve shown in FIG. 1; FIG. 9 is a cross-sectional view of the pressure regulating valve shown in FIG. 8; FIG. 10 is a schematic view of the mixing tip mounting connection plate of the HP-RTM glue injector of FIG. 1.
The mixing gun head 1 for the HP-RTM glue injection machine comprises a fixed plate 11, a hydraulic oil cylinder 12, a main mixing seat 13, a first auxiliary mixing seat 14, a material pressure regulating valve 15 and a second auxiliary mixing seat 16, wherein the fixed plate 11, the hydraulic oil cylinder 12, the main mixing seat 13 and the first auxiliary mixing seat 14 are sequentially arranged from top to bottom, and a nozzle is arranged at the bottom of the first auxiliary mixing seat 14; the second auxiliary mixing seat 16 is arranged on one side of the hydraulic cylinder 12; the main mixing seat 13 includes an inner hole 131 penetrating through the upper and lower ends of the main mixing seat 13 and two groups of material holes, the inner hole 131 is communicated with the first auxiliary mixing seat 14, the two groups of material holes are symmetrically arranged on two sides of the main mixing seat 13 along the axis of the main mixing seat 13, each group of material holes includes a first discharging hole 132, a circulating hole 133 and a first feeding hole 134, the circulating hole 133 is arranged above the first discharging hole 132, the first feeding hole 134 is arranged on one side of the circulating hole 133, and the first discharging hole 132 and the circulating hole 133 are respectively communicated with the inner hole 131; the material pressure regulating valves 15 are arranged in one-to-one correspondence with the material holes and are respectively fixedly connected with the main mixing seat 13, the input ends of the material pressure regulating valves 15 are communicated with the first feeding holes 134, and the output ends of the material pressure regulating valves 15 extend into the main mixing seat 13 and are communicated with the first discharging holes 132; the two material pressure regulating valves 15 are arranged in a V shape, so that raw materials can be obliquely impacted when coming out from the first discharging holes 132, and the raw materials can be fully mixed; the piston rod 121 of the hydraulic cylinder 12 extends downward into the inner hole 131 and keeps sealing with the inner hole 131, and the moving track of the piston rod 121 passes through the circulation hole 133 and the first discharge hole 132 respectively; the second auxiliary mixing seat 16 is L-shaped, and the horizontal section 161 and the vertical section 162 of the second auxiliary mixing seat 16 are internally provided with conveying holes 163 which are mutually communicated, the horizontal section 161 is sequentially provided with a second feeding hole 164, a second discharging hole 165, a pneumatic three-way ball valve 166 and a third feeding hole 167, the lower end of the vertical section 162 is provided with a third discharging hole 168, the second feeding hole 164, the second discharging hole 165, the third feeding hole 167 and the third discharging hole 168 are respectively communicated with the conveying holes 163, the pneumatic three-way ball valve 166 is respectively communicated with the conveying holes 163 and the second discharging hole 165, and the third discharging hole 168 is communicated with the first feeding hole 134 close to the second auxiliary mixing seat 16.
Further, two symmetrically arranged circulation grooves 122 are formed on the piston rod 121, the circulation grooves 122 are in one-to-one correspondence with the material holes, and when the piston rod 121 is in the maximum stroke, the circulation grooves 122 are communicated with the corresponding first discharge holes 132 and the corresponding circulation holes 133; when the piston rod 121 is at the minimum stroke, the circulation groove 122 communicates only with the corresponding circulation hole 133.
Further, the outer wall of the piston rod 121 is provided with a high temperature resistant and corrosion resistant coating, so that corrosion of various raw materials to the piston rod 121 can be reduced, and the service life of the piston rod 121 can be prolonged.
Further, the hydraulic cylinder 12 is further provided with a relief valve 123, so that the hydraulic cylinder 12 can operate more stably and safely.
Further, the material pressure regulating valve 15 includes a housing 151, a valve core 152, and a pressure spring 153, a cavity is provided in the housing 151, a valve body inlet 154 is provided on a side wall of the housing 151, the valve body inlet 154 is communicated with the first feeding hole 134 through an inclined hole provided in the main mixing seat 13, and a valve body outlet 155 for communicating with the first discharging hole 132 is provided at an end of the housing 151; the valve core 152 and the pressure spring 153 are installed in the housing 151, one end of the pressure spring 153 is abutted against the valve core 152, and the other end of the pressure spring 153 is abutted against the inner wall of the chamber of the housing 151; the end of the valve core 152 is aligned with the valve body outlet 155 of the housing 151, the end of the valve core 152 is conical, and the valve body outlet 155 is matched with the end of the valve core 152; raw materials sequentially pass through the first feeding hole 134 and the valve body inlet 154
Further, the main mixing seat 13 is further provided with an assembling notch 135, the assembling notch 135 is correspondingly arranged with the first discharging hole 132, and the assembling notch 135 is matched with the outer contour of the housing 151; by providing the fitting notch 135, installation of the hydraulic pressure regulating valve 15 is facilitated and the valve body inlet 154 can be more aligned with the first feed hole 134.
Further, the mixing gun head 1 for the HP-RTM glue injector further includes a connecting piece 17, the connecting piece 17 is fixedly disposed on the top of the fixing plate 11, and the connecting piece 17 is respectively provided with a hydraulic oil inlet joint 171, a hydraulic oil return joint 172, an isocyanate input joint 173, an isocyanate circulation joint 174, a polyol input joint 175, a polyol circulation joint 176, a release agent input joint 177, a release agent circulation joint 178, an air inlet joint 179 and an air outlet joint 180, and the hydraulic oil inlet joint 171 and the hydraulic oil return joint 172 are respectively communicated with an oil inlet and an oil return port of the hydraulic cylinder 12 through pipelines; the isocyanate input connector 173 is communicated with the first feeding hole 134 far away from the second auxiliary mixing seat 16 through a pipeline, and the isocyanate circulating connector 174 is communicated with the circulating hole 133 far away from the second auxiliary mixing seat 16 through a pipeline; the polyol inlet fitting 175 is in communication with the third feed port 167 via a conduit, and the polyol circulation fitting 176 is in communication with the circulation 133 port adjacent the second auxiliary mixing block 16 via a conduit; the release agent input connector 177 is communicated with the second feeding hole 164 through a pipeline, and the release agent circulating connector 178 is communicated with the second discharging hole 165 through a pipeline; the air inlet joint 179 and the air outlet joint 180 are respectively communicated with the pneumatic three-way ball valve 166 through pipelines; by arranging the connecting piece 17, the mixing gun head 1 for the HP-RTM glue injection machine can orderly arrange various management during installation, and the occupied space is reduced.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The mixing gun head for the HP-RTM glue injection machine is characterized by comprising a fixed plate, a hydraulic cylinder, a main mixing seat, a first auxiliary mixing seat, a material pressure regulating valve and a second auxiliary mixing seat, wherein the fixed plate, the hydraulic cylinder, the main mixing seat and the first auxiliary mixing seat are sequentially arranged from top to bottom, and a nozzle is formed in the bottom of the first auxiliary mixing seat; the second auxiliary mixing seat is arranged on one side of the hydraulic oil cylinder; the main mixing seat comprises an inner hole penetrating through the upper end and the lower end of the main mixing seat and two groups of material holes, the inner hole is communicated with the first auxiliary mixing seat, the two groups of material holes are symmetrically arranged on two sides of the main mixing seat along the axis of the main mixing seat, each group of material holes comprises a first discharging hole, a circulating hole and a first feeding hole, the circulating hole is arranged above the first discharging hole, the first feeding hole is arranged on one side of the circulating hole, and the first discharging hole and the circulating hole are respectively communicated with the inner hole; the material pressure regulating valves are arranged in one-to-one correspondence with the material holes and are respectively fixedly connected with the main mixing seats, the input ends of the material pressure regulating valves are communicated with the first feeding holes, and the output ends of the material pressure regulating valves extend into the main mixing seats and are communicated with the first discharging holes; the piston rod of the hydraulic oil cylinder extends downwards into the inner hole and keeps sealing with the inner hole, and the moving track of the piston rod passes through the circulating hole and the first discharging hole respectively; the second auxiliary mixing seat is L-shaped, conveying holes which are communicated with each other are formed in the horizontal section and the vertical section of the second auxiliary mixing seat, a second feeding hole, a second discharging hole, a pneumatic three-way ball valve and a third feeding hole are sequentially formed in the horizontal section, a third discharging hole is formed in the lower end of the vertical section, the second feeding hole, the third feeding hole and the third discharging hole are respectively communicated with the conveying holes, the pneumatic three-way ball valve is respectively communicated with the conveying holes and the second discharging holes, and the third discharging hole is communicated with the first feeding hole which is close to the second auxiliary mixing seat.
2. The mixing gun head for the HP-RTM glue injection machine according to claim 1, wherein two symmetrically arranged circulation grooves are formed in the piston rod, the circulation grooves correspond to the material holes one by one, and when the piston rod is in the maximum stroke, the circulation grooves are communicated with the corresponding first discharge holes and the circulation holes; when the piston rod is in the minimum stroke, the circulation groove is only communicated with the corresponding circulation hole.
3. The mixing gun head for an HP-RTM glue injector of claim 2, wherein the outer wall of the piston rod is provided with a high temperature resistant and corrosion resistant coating.
4. The mixing gun head for an HP-RTM glue injector of claim 1, wherein the hydraulic ram is further provided with an overflow valve.
5. The mixing gun head for the HP-RTM glue injection machine according to claim 1, wherein the material pressure regulating valve comprises a shell, a valve core and a pressure spring, a cavity is arranged in the shell, a valve body inlet used for being communicated with the first feeding hole is formed in the side wall of the shell, and a valve body outlet used for being communicated with the first discharging hole is formed in the end portion of the shell; the valve core and the pressure spring are arranged in the shell, one end of the pressure spring is abutted against the valve core, and the other end of the pressure spring is abutted against the inner wall of the cavity of the shell; the spool end is aligned with the valve body outlet of the housing.
6. The mixing gun head for the HP-RTM glue injector of claim 5, wherein the main mixing seat is further provided with an assembly notch, the assembly notch is correspondingly arranged with the first discharging hole, and the assembly notch is matched with the outer contour of the shell.
7. The mixing gun head for the HP-RTM glue injector according to claim 1, further comprising a connecting piece, wherein the connecting piece is fixedly arranged at the top of the fixed plate, and is respectively provided with a hydraulic oil inlet joint, a hydraulic oil return joint, an isocyanate input joint, an isocyanate circulation joint, a polyol input joint, a polyol circulation joint, a release agent input joint, a release agent circulation joint, an air inlet joint and an air outlet joint, and the hydraulic oil inlet joint and the hydraulic oil return joint are respectively communicated with an oil inlet and an oil return port of the hydraulic oil cylinder through pipelines; the isocyanate input joint is communicated with the first feeding hole far away from the second auxiliary mixing seat through a pipeline, and the isocyanate circulating joint is communicated with the circulating hole far away from the second auxiliary mixing seat through a pipeline; the polyol input joint is communicated with the third feeding hole through a pipeline, and the polyol circulating joint is communicated with the circulating hole close to the second auxiliary mixing seat through a pipeline; the release agent input joint is communicated with the second feeding hole through a pipeline, and the release agent circulating joint is communicated with the second discharging hole through a pipeline; the air inlet joint and the air outlet joint are respectively communicated with the pneumatic three-way ball valve through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322582070.XU CN220763624U (en) | 2023-09-22 | 2023-09-22 | Mixing gun head for HP-RTM glue injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322582070.XU CN220763624U (en) | 2023-09-22 | 2023-09-22 | Mixing gun head for HP-RTM glue injection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220763624U true CN220763624U (en) | 2024-04-12 |
Family
ID=90605743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322582070.XU Active CN220763624U (en) | 2023-09-22 | 2023-09-22 | Mixing gun head for HP-RTM glue injection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220763624U (en) |
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2023
- 2023-09-22 CN CN202322582070.XU patent/CN220763624U/en active Active
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