CN216683055U - Three-component injection head system - Google Patents
Three-component injection head system Download PDFInfo
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- CN216683055U CN216683055U CN202122902065.3U CN202122902065U CN216683055U CN 216683055 U CN216683055 U CN 216683055U CN 202122902065 U CN202122902065 U CN 202122902065U CN 216683055 U CN216683055 U CN 216683055U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a three-component injection head system, which comprises a mixing head main body with a hollow cavity, a main shaft which is movably and hermetically inserted into the hollow cavity of the mixing head main body, a main shaft driving device for driving the main shaft to axially slide, a first feed port, a second feed port, a third feed port, a first return port, a second return port, a third return port, a mixing chamber and an injection nozzle, wherein the mixing chamber is formed by the main shaft and the hollow cavity, the mixing chamber is communicated with the mixing chamber, the injection nozzle is communicated with the mixing chamber, a first groove, a second groove and a third groove are formed in the main shaft and axially extend along the main shaft, the first groove can be simultaneously communicated with the first feed port and the first return port, the second groove can be simultaneously communicated with the second feed port and the second return port, the third groove can be simultaneously communicated with the third feed port and the third return port, the first feed port, the second feed port and the third feed port can be also communicated with the mixing chamber, the main shaft reciprocates to enable the first feed port, the second feed port and the third feed port to be alternately communicated with the mixing chamber and the first return port, The second feed back port and the third feed back port are communicated, and the utility model can realize high-pressure mixed injection of double-component and three-component PDCPD raw materials.
Description
Technical Field
The utility model relates to PDCPD material injection equipment, in particular to a three-component injection head system.
Background
The PDCPD (polydicyclopentadiene) molding process is mainly used for molding a product in a reaction injection molding mode, the existing PDCPD injection mode is that two-component DCPD materials are injected into a mold 31 after being subjected to high-pressure hedging mixing, and the existing PDCPD mixing head is suitable for the hedging mixing of feeding materials with the same dosage of the two components. In order to overcome the defects in the two-component PDCPD injection molding process, the three-component PDCPD injection molding process for separating catalytic materials is tested at present, and the existing two-component injection head cannot meet the requirement of three-component injection.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a three-component injection head system which can realize a three-component PDCPD injection molding process and can ensure that three-component DCPD materials are uniformly mixed.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a three-component injection head system comprises a mixing head main body, a main shaft driving device, a first feeding hole, a second feeding hole, a third feeding hole, a first return hole, a second return hole, a third return hole, a mixing chamber and an injection nozzle, wherein a hollow cavity is formed in the inner side of the mixing head main body, the main shaft can be inserted into the hollow cavity of the mixing head main body in a sliding manner, the circumferential outer side wall of the main shaft is in movable sealing contact with the inner side wall of the hollow cavity of the mixing head main body, the first feeding hole, the second feeding hole, the third feeding hole, the first return hole, the second return hole and the third return hole are respectively arranged on the side wall of the mixing head main body and are respectively communicated with the inner side of the hollow cavity, the first feeding hole and the first return hole are axially arranged along the main shaft at intervals, the second feeding hole and the second return hole are axially arranged along the main shaft at intervals, and the third return hole is axially arranged along the main shaft at intervals, the injection nozzle is located the tip of mixing head one end, and injection nozzle and the inboard intercommunication of cavity, be formed with on the main shaft along the first recess of main shaft axial extension, second recess and third recess, first recess can be simultaneously just to the intercommunication with first feed inlet and first feed back mouth, and the second recess can be simultaneously with second feed inlet and second feed back mouth just to the intercommunication, and the third recess can be simultaneously with third feed inlet and third feed back mouth just to the intercommunication, and first feed inlet, second feed inlet and third feed inlet can also with mix the mixing chamber intercommunication that forms between head main part cavity and the main shaft terminal surface, and main shaft drive arrangement drive main shaft makes first, two, three feed inlets in turn and mixing chamber and first, two, three feed back mouths intercommunication along axial reciprocating motion in the cavity.
As a further improvement of the utility model, the first feed inlet comprises a first feed channel and a first pressure regulating channel, the second feed inlet comprises a second feed channel and a second pressure regulating channel, the third feed inlet comprises a third feed channel and a third pressure regulating channel, the first pressure regulating channel is communicated with the first feed channel in a crossing way, the second pressure regulating channel is communicated with the second feed channel in a crossing way, the third pressure regulating channel is communicated with the third feed channel in a crossing way, one end of the first pressure regulating channel, one end of the second pressure regulating channel and one end of the third pressure regulating channel are communicated with the hollow cavity of the mixing head main body, the other end of the first pressure regulating channel, one end of the second pressure regulating channel and one end of the third pressure regulating channel are respectively provided with a first pressure regulating device, a second pressure regulating device and a third pressure regulating device, and the first pressure regulating device, the second pressure regulating device and the third pressure regulating device can regulate the size of the discharge opening at one end of the first pressure regulating channel, the second pressure regulating channel and the third pressure regulating channel.
As a further improvement of the utility model, the first and second pressure regulating devices comprise an integrated pressure regulating shell and an integrated pressure regulating ejector rod, the integrated pressure regulating shell is fixedly inserted inside the first and second pressure regulating channels in a sealing manner, the integrated pressure regulating ejector rod is movably inserted in the integrated pressure regulating shell in a sealing manner, one end of the integrated pressure regulating shell is provided with a discharge opening communicated with the hollow cavity of the mixing head main body, the integrated pressure regulating shell is provided with a feed inlet communicated with the first and second feed channels, the discharge opening of the integrated pressure regulating shell is a conical opening with one end inner diameter smaller than that of the other end, the end part of the integrated pressure regulating rod is provided with a conical rod, and the conical rod is inserted in the conical opening of the integrated pressure regulating shell.
As a further improvement of the utility model, the included angle of the inclined planes of the conical rods of the integrated pressure regulating rod is smaller than that of the inclined planes of the conical openings of the integrated pressure regulating shell.
As a further improvement of the present invention, the third pressure regulating device includes a discharging sleeve set, a thimble and a switching rod, the discharging sleeve set is detachably and fixedly sealed and inserted in the third pressure regulating channel, the switching rod is slidably inserted in the discharging sleeve set, the thimble is detachably and fixedly mounted at an end portion of the switching rod, an outer side wall of the thimble is in dynamic sealing contact with an inner side wall of the discharging sleeve set, a discharging opening of the discharging sleeve set is a tapered opening with an inner diameter smaller than an inner diameter of one end of the discharging sleeve set, the end portion of the thimble forms a tapered rod, and the tapered rod is inserted in the tapered opening of the discharging sleeve set.
As a further improvement of the utility model, the included angle of the inclined plane of the conical rod of the thimble is smaller than that of the inclined plane of the conical opening of the discharging sleeve group.
As a further improvement of the utility model, the discharging sleeve set comprises a discharging sleeve and a connecting sleeve, one end of the third pressure regulating channel forms a step structure with a reduced inner diameter, the discharging sleeve and the connecting sleeve are sequentially inserted into the third pressure regulating channel, the connecting sleeve and the third pressure regulating channel are detachably, hermetically and fixedly connected, two ends of the discharging sleeve respectively tightly abut against a step surface and a connecting sleeve end surface of one end of the third pressure regulating channel, a connecting channel communicated with the third feeding port is formed on the side wall of the discharging sleeve, and the thimble is in dynamic sealing contact with the inner side wall of the feeding sleeve.
As a further improvement of the utility model, a circle of annular stop table is formed on the inner side of the connecting sleeve, the discharging sleeve is screwed on the inner side of one end of the connecting sleeve, and the end face of the discharging sleeve tightly abuts against the annular stop table on the inner side of the connecting sleeve.
As a further improvement of the utility model, the connecting channel on the discharging sleeve is an inclined channel which forms an acute included angle with the axial direction of the thimble, and the outlet end of the inclined channel is closer to the discharging port of the third pressure regulating channel relative to the inlet end.
As a further improvement of the utility model, a hexagonal sleeve is movably screwed and sleeved outside the connecting sleeve, a nut structure is fixedly embedded in the hexagonal sleeve, and the nut structure is in threaded connection with the conversion rod.
The utility model has the beneficial effects that: the third pressure regulating device of the third feed port is arranged in the third pressure regulating channel by adopting a detachable split structure and can be replaced as required, and meanwhile, the small-flow third component raw material can form sufficient opposite impact in the mixing chamber and can be uniformly mixed by the special structure of the third pressure regulating device.
Drawings
FIG. 1 is a schematic diagram of a three component injection of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
fig. 5 is a sectional view taken along line B-B in fig. 4.
Detailed Description
The embodiment is as follows: a three-component injection head system comprises a mixing head main body 1, a main shaft 2, a main shaft driving device 3, a first feeding hole, a second feeding hole, a third feeding hole, a first return hole 7, a second return hole, a third return hole 9, a mixing chamber 10 and an injection nozzle 11, wherein a hollow cavity is formed in the inner side of the mixing head main body 1, the main shaft 2 can be inserted into the hollow cavity of the mixing head main body 1 in a sliding manner, the circumferential outer side wall of the main shaft 2 is in movable sealing contact with the inner side wall of the hollow cavity of the mixing head main body 1, the first feeding hole, the second feeding hole, the third feeding hole, the first return hole 7, the second return hole and the third return hole 9 are respectively arranged on the side wall of the mixing head main body 1 and are respectively communicated with the inner side of the hollow cavity, the first feeding hole and the first return hole 7 are axially arranged at intervals along the main shaft 2, the second feeding hole and the second return hole are axially arranged at intervals along the main shaft 2, the third feed inlet and the third feed back inlet 9 are axially arranged at intervals along the main shaft 2, the injection nozzle 11 is positioned at the end part of one end of the mixing head, the injection nozzle 11 is communicated with the inner side of the hollow cavity, a first groove 12, a second groove 13 and a third groove 14 which axially extend along the main shaft 2 are formed on the main shaft 2, the first groove 12 can be simultaneously and oppositely communicated with the first feed inlet and the first feed back inlet 7, the second groove 13 can be simultaneously and oppositely communicated with the second feed inlet and the second feed back inlet, the third groove 14 can be simultaneously and oppositely communicated with the third feed inlet and the third feed back inlet 9, the first feed inlet, the second feed inlet and the third feed inlet can also be communicated with the mixing chamber 10 formed between the hollow cavity of the mixing head main body 1 and the end surface of the main shaft 2, and the main shaft driving device 3 drives the main shaft 2 to axially reciprocate in the hollow cavity so that the first feed inlet, the second feed back inlet and the third feed back inlet are alternately communicated with the mixing chamber 10 and the first feed back chamber 10, The second and third feed back ports are communicated. During injection, the first component storage tank 15, the second component storage tank 16 and the third component storage tank 17 are respectively communicated with the first feed inlet, the second feed inlet and the third feed inlet through pipelines, the first feed back port 7, the second feed back port and the third feed back port 9 are communicated with the first component storage tank, the second component storage tank and the third component storage tank through pipelines, the main shaft driving device 3 drives the main shaft 2 to slide in a reciprocating sealing manner in the hollow cavity of the mixing head main body 1, so that the first feed inlet, the second feed inlet and the third feed inlet are alternately communicated with the first feed back port 7, the second feed back port and the third feed back port 9 or the mixing chamber 10, when the first feed inlet, the second feed inlet and the third feed back port are communicated with the first feed back port 7, the second feed back port and the third feed back port 9, the raw materials form a circulation loop, the raw materials do not enter the mixing chamber 10, but return to each storage tank from the feed back port, when the main shaft 2 slides backwards to form a drawing state, the outer side wall of the circumference of the main shaft 2 separates the feed inlet from the feed back port, the feed inlet is communicated with the mixing chamber 10, the raw materials in the first, second and third feed inlets are rapidly injected into the mixing chamber 10 to form a hedging mixing effect, the sizes of the first, second and third feed inlets are matched with the dosage of the first, second and third component raw materials, wherein the third component raw material has small dosage, the size of the third feed inlet is smaller than the sizes of the first feed inlet and the second feed inlet, if the first and second feed ports are 5mm in size and the third feed port is 0.5mm in size, the mixed raw materials are ejected from the injection nozzle 11 along with the pushing action of the main shaft 2 after mixing, the injection head system realizes the opposed mixed injection of three components of raw materials and solves the technical problem in the existing two-component raw material molding.
First feed inlet includes first feedstock channel 4 and first pressure regulating passageway 18, and the second feed inlet includes second feedstock channel 5 and second pressure regulating passageway 19, and the third feedstock includes third feedstock channel 6 and third pressure regulating passageway 20, first pressure regulating passageway 18 and first feedstock channel 4 cross intercommunication, second pressure regulating passageway 19 and second feedstock channel 5 cross intercommunication, third pressure regulating passageway 20 and third feedstock channel 6 cross intercommunication, first, second, three pressure regulating passageway one end and the cavity intercommunication of mixing head main part 1, first, second, be equipped with first respectively in the three pressure regulating passageway other end, two, three pressure regulating device, first, second, three pressure regulating device can adjust first, second, three pressure regulating passageway one end discharge opening size. First component raw materials and second component raw materials get into the back from first feed inlet and second feed inlet, in getting into first pressure regulating passageway 18 and second pressure regulating passageway 19 along the opening on first pressure regulating passageway 18 and the 19 lateral walls of second pressure regulating passageway, go into mixing chamber 10 after carrying out the pressure regulating through first pressure regulating device and second pressure regulating device, this kind of structure has realized first component raw materials and second component raw materials and has dashed the mixture.
First, two pressure regulating devices include integrative pressure regulating shell 21 and integrative pressure regulating ejector pin 22, integrative pressure regulating shell 21 is sealed fixed to be inserted and is located first, two pressure regulating passageway inboardly, and integrative pressure regulating ejector pin 22 moves sealedly inserts and locates in integrative pressure regulating shell 21, and integrative pressure regulating shell 21 one end forms the ejection of compact opening with the cavity intercommunication of mixing head main part 1, is equipped with on integrative pressure regulating shell 21 with first, two feed inlet 23 of feed channel intercommunication, the ejection of compact opening of integrative pressure regulating shell 21 is less than the bell mouth of other end internal diameter for one end internal diameter, and integrative pressure regulating rod tip forms the toper pole, the toper pole is inserted in the bell mouth of locating integrative pressure regulating shell 21. The first and second pressure regulating devices regulate the axial position in the integrated pressure regulating shell 21 through the integrated pressure regulating ejector rod 22, so that the gap between the conical rod and the conical opening is changed to change the pressure of feeding, the opposite impact pressure is realized, and the uniform mixing is ensured.
The included angle of the inclined planes of the conical rods of the integrated pressure regulating rods is smaller than that of the inclined planes of the conical openings of the integrated pressure regulating shell 21.
The third regulator includes ejection of compact cover group, thimble 24 and switching rod 25, the fixed seal that ejection of compact cover group can be dismantled is inserted and is located third pressure regulating passageway 20 in, switching rod 25 can be gliding insert locate ejection of compact cover group in, the fixed mounting that thimble 24 can be dismantled is in switching rod 25 tip, 24 lateral walls of thimble and the contact of ejection of compact cover group inside wall movive seal, the ejection of compact opening of ejection of compact cover group is the bell mouth that one end internal diameter is less than the other end internal diameter, and 24 tip of thimble form the toper pole, the toper pole is inserted and is located the bell mouth of ejection of compact cover group. The ejector pin 24 of the third pressure regulating device can be detachably mounted on the switching rod 25, the ejector pin 24 can be replaced as required, and the requirements of flow and pressure regulation of different third component raw materials can be met.
The included angle of the inclined plane of the conical rod of the thimble 24 is smaller than that of the inclined plane of the conical opening of the discharging sleeve group.
Discharging sleeve group includes discharging sleeve 26 and adapter sleeve 27, the step structure that the internal diameter reduces is formed to third pressure regulating passageway 20 one end, discharging sleeve 26 and adapter sleeve 27 are inserted in order and are located the third and adjust the passageway, the sealed fixed connection that adapter sleeve 27 and third pressure regulating passageway 20 can be dismantled, discharging sleeve 26 both ends tightly support step face and the adapter sleeve 27 terminal surface of third pressure regulating passageway 20 one end respectively, be formed with the linking channel 28 with third feed inlet intercommunication on the 26 lateral walls of discharging sleeve, thimble 24 and the contact of feeding sleeve inside wall movive seal. Adopt the package assembly of ejection of compact cover 26 and adapter sleeve 27 with the third pressure regulating device, realize being connected with dismantling of third pressure regulating passageway 20, can adapt to different third component raw materials pressure regulating demands, can also realize two component raw materials and three general of component raw materials.
A ring of annular stop platforms 29 are formed on the inner side of the connecting sleeve 27, the discharging sleeve 26 is screwed on the inner side of one end of the connecting sleeve 27, and the end face of the discharging sleeve 26 tightly abuts against the annular stop platforms 29 on the inner side of the connecting sleeve 27.
The connecting channel 28 on the discharging sleeve 26 is an inclined channel having an acute included angle with the axial direction of the thimble 24, and the outlet end of the inclined channel is closer to the discharging port of the third pressure regulating channel 20 than the inlet end. The third pressure regulating device makes the third component raw materials that enter into from the second feed inlet can enter into the pressure regulating device fast through the passageway of slope to in the situation enters into mixing chamber 10, be favorable to improving the offset speed of third component raw materials, realized that the small-scale third component forms quick offset in mixing chamber 10, it is more even to mix in mixing chamber 10.
The outer side of the connecting sleeve 27 is movably screwed with a hexagonal sleeve 30, a nut structure 31 is fixedly embedded in the hexagonal sleeve 30, and the nut structure 31 is in threaded connection with the change-over lever. This structure has realized the regulation to 24 positions of thimble, and then to third component raw materials feed pressure's regulation, and hexagonal groove in the conversion screw rod tip can set up conveniently adjusts.
Claims (10)
1. A three-component injector head system, comprising: the mixing head comprises a mixing head main body (1), a main shaft (2), a main shaft driving device (3), a first feeding hole, a second feeding hole, a third feeding hole, a first return hole (7), a second return hole, a third return hole (9), a mixing chamber (10) and an injection nozzle (11), wherein a hollow cavity is formed in the inner side of the mixing head main body, the main shaft can be inserted into the hollow cavity of the mixing head main body in a sliding manner, the circumferential outer side wall of the main shaft is in dynamic sealing contact with the inner side wall of the hollow cavity of the mixing head main body, the first feeding hole, the second feeding hole, the third feeding hole, the first return hole, the second return hole and the third return hole are respectively arranged on the side wall of the mixing head main body and are respectively communicated with the inner side of the hollow cavity, the first feeding hole and the first return hole are axially arranged along the main shaft at intervals, the second feeding hole and the second return hole are axially arranged along the main shaft at intervals, and the third return hole are axially arranged along the main shaft at intervals, the injection nozzle is located the tip of mixing head one end, and injection nozzle and cavity inboard intercommunication, be formed with on the main shaft along the first recess of main shaft axial extension (12), second recess (13) and third recess (14), first recess can be simultaneously just to the intercommunication with first feed inlet and first feed back mouth, the second recess can be simultaneously with second feed inlet and second feed back mouth just to the intercommunication, the third recess can be simultaneously with third feed inlet and third feed back mouth just to the intercommunication, and first feed inlet, second feed inlet and third feed back mouth can also with the mixing chamber intercommunication that forms between mixing head main part cavity and the main shaft terminal surface, main shaft drive arrangement drive main shaft make first, two, three feed inlets in turn and mixing chamber and first, two, three feed back mouths intercommunication along axial reciprocating motion in the cavity.
2. The three-component injector head system of claim 1, wherein: first feed inlet includes first feedstock channel (4) and first pressure regulating passageway (18), and the second feed inlet includes second feedstock channel (5) and second pressure regulating passageway (19), and the third feed inlet includes third feedstock channel (6) and third pressure regulating passageway (20), first pressure regulating passageway and first feedstock channel cross intercommunication, second pressure regulating passageway and second feedstock channel cross intercommunication, third pressure regulating passageway and third feedstock channel cross intercommunication, first, second, three pressure regulating passageway one end and the cavity intercommunication of mixing head main part, first, second, be equipped with first respectively in the three pressure regulating passageway other end, two, three pressure regulating device, first, second, three pressure regulating device can adjust first, second, three pressure regulating passageway one end discharge opening size.
3. The three-component injector head system of claim 2, wherein: first, two pressure regulating devices include integrative pressure regulating shell (21) and integrative pressure regulating ejector pin (22), the sealed fixed of integrative pressure regulating shell is inserted and is located first, two pressure regulating passageway inboardly, and the dynamic seal of integrative pressure regulating ejector pin is inserted and is located integrative pressure regulating shell, and integrative pressure regulating shell one end forms the ejection of compact opening with the cavity intercommunication of mixing head main part, is equipped with on the integrative pressure regulating shell with first, two feed inlet (23) that feed channel communicate, the ejection of compact opening of integrative pressure regulating shell is the bell that one end internal diameter is less than the other end internal diameter, and integrative pressure regulating rod tip forms the bell pole, the bell pole is inserted and is located in the bell of integrative pressure regulating shell.
4. The three-component injector head system of claim 3, wherein: the included angle of the inclined planes of the conical rods of the integrated pressure regulating rod is smaller than that of the inclined planes of the conical openings of the integrated pressure regulating shell.
5. The three-component injector head system of claim 2, wherein: the third pressure regulating device comprises a discharge sleeve set, a thimble (24) and a switching rod (25), wherein the discharge sleeve set can be detached and fixedly sealed in the third pressure regulating channel, the switching rod can be slidably inserted in the discharge sleeve set, the thimble can be detached and fixedly installed at the end part of the switching rod, the outer side wall of the thimble is in dynamic sealing contact with the inner side wall of the discharge sleeve set, a discharge opening of the discharge sleeve set is a conical opening with one end inner diameter smaller than the other end inner diameter, the end part of the thimble forms a conical rod, and the conical rod is inserted in the conical opening of the discharge sleeve set.
6. The three-component injector head system of claim 5, wherein: the included angle of the inclined plane of the conical rod of the thimble is smaller than that of the inclined plane of the conical opening of the discharging sleeve group.
7. The three-component injector head system of claim 5, wherein: discharging sleeve group includes discharging sleeve (26) and adapter sleeve (27), third pressure regulating passageway one end forms the stair structure that the internal diameter reduces, discharging sleeve and adapter sleeve insert in proper order and locate the third in regulating the passageway, the sealed fixed connection that adapter sleeve and third pressure regulating passageway can be dismantled, discharging sleeve both ends tightly support step face and the adapter sleeve terminal surface of third pressure regulating passageway one end respectively, be formed with linking passageway (28) with third feed inlet intercommunication on the discharging sleeve lateral wall, thimble and the contact of feeding sleeve inside wall movive seal.
8. The three-component injector head system of claim 7, wherein: a circle of annular stop table (29) is formed on the inner side of the connecting sleeve, the discharging sleeve is in threaded connection with the inner side of one end of the connecting sleeve, and the end face of the discharging sleeve tightly abuts against the annular stop table on the inner side of the connecting sleeve.
9. The three-component injector head system of claim 7, wherein: the material outlet end of the inclined channel is closer to the material outlet of the third pressure regulating channel relative to the inlet end.
10. The three-component injector head system of claim 7, wherein: the outer side of the connecting sleeve is movably screwed with a hexagonal sleeve (30), a nut structure (31) is fixedly embedded in the hexagonal sleeve, and the nut structure is in threaded connection with the conversion rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122902065.3U CN216683055U (en) | 2021-11-24 | 2021-11-24 | Three-component injection head system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122902065.3U CN216683055U (en) | 2021-11-24 | 2021-11-24 | Three-component injection head system |
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| Publication Number | Publication Date |
|---|---|
| CN216683055U true CN216683055U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122902065.3U Active CN216683055U (en) | 2021-11-24 | 2021-11-24 | Three-component injection head system |
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| Country | Link |
|---|---|
| CN (1) | CN216683055U (en) |
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2021
- 2021-11-24 CN CN202122902065.3U patent/CN216683055U/en active Active
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