CN215849325U - Nozzle structure of double-color injection molding machine - Google Patents
Nozzle structure of double-color injection molding machine Download PDFInfo
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- CN215849325U CN215849325U CN202122021052.5U CN202122021052U CN215849325U CN 215849325 U CN215849325 U CN 215849325U CN 202122021052 U CN202122021052 U CN 202122021052U CN 215849325 U CN215849325 U CN 215849325U
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- cavity
- nozzle
- molding machine
- injection molding
- color injection
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000010030 laminating Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 19
- 239000012768 molten material Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 239000000155 melt Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The application provides a nozzle structure of a double-color injection molding machine, which belongs to the field of nozzle injection of injection molding machines, and comprises a connecting mechanism and an injection mechanism, wherein the connecting mechanism comprises a connecting sleeve, a piston and a spring, a first cavity, a second cavity and a third cavity are arranged in the connecting sleeve, the inner diameters of the first cavity, the second cavity and the third cavity are sequentially reduced, one end of a spray head is in threaded connection with the first cavity, the inner wall of the spray head is provided with a fifth cavity, the surface of the fifth cavity at one end of the spray head is attached to and communicated with the surface of the first cavity, one end of a push rod is in threaded connection with the inside of the spray head, the other end of the push rod supports against the surface of the spring, one end of the spray head, which is far away from the push rod, is provided with a nozzle opening, and the nozzle structure of the double-color injection molding machine can not only prevent molten material from flowing out, but also can control the pressure of the molten material ejection and is convenient to use.
Description
Technical Field
The application relates to the field of injection molding machines, in particular to a nozzle structure of a double-color injection molding machine.
Background
An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.
When the nozzle of the injection molding machine is stopped, residual melt in the melt pipe flows out from the nozzle to affect the work, and the injection pressure of the nozzle cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
In order to make up for above not enough, the application provides a nozzle structure of double-colored injection molding machine, has solved nozzle department and has taken place the melt and spill over and the unable problem of adjusting of nozzle injection pressure.
The application is realized as follows:
the application provides a nozzle structure of double-colored injection molding machine, including coupling mechanism and injection mechanism.
Coupling mechanism includes adapter sleeve, piston and spring, first cavity, second cavity and third cavity have been seted up to adapter sleeve inside, first cavity the second cavity with the internal diameter of third cavity reduces in proper order, the fourth cavity has been seted up to adapter sleeve inside, the fourth cavity is seted up the second cavity outside, the fourth cavity respectively with first cavity with the second cavity intercommunication, piston sliding connection is in inside the second cavity, spring one end is fixed the piston surface.
The injection mechanism comprises a spray head and a push rod, one end of the spray head is in threaded connection with the inside of the first cavity, a fifth cavity is formed in the inner wall of the spray head, the surface of the fifth cavity at one end of the spray head is attached to and communicated with the surface of the first cavity, one end of the push rod is in threaded connection with the inside of the spray head, the other end of the push rod abuts against the surface of the spring, one end of the spray head, far away from the push rod, is provided with a nozzle opening, and the nozzle opening is communicated with the fifth cavity.
In the above-mentioned realization in-process, screw the adapter sleeve on the injection molding machine, screw the shower nozzle in the first cavity of adapter sleeve one end, fifth cavity just docks the intercommunication with the fourth cavity this moment, the melt gets into in the third cavity extrusion piston gets into the fourth cavity after the adapter sleeve one end, then get into the fifth cavity from the nozzle mouth blowout of shower nozzle one end, when stopping injecting the melt, the spring supports the piston tightly and seals adapter sleeve one end on the second cavity surface, make the melt unable outflow, make the length that the ejector pin exposes through the difference of the degree of depth that rotatory ejector pin got into in shower nozzle one end can be adjusted, thereby make ejector pin compression spring's degree also different, thereby control melt spun pressure, this kind of double-colored injection molding machine's nozzle structure not only can prevent that the melt from flowing out, and can control melt spun pressure convenient to use.
In a specific embodiment, the spring length is greater than the length of the end of the ram to the surface of the piston.
In the implementation process, when the spray head is ensured to completely enter the connecting sleeve, the spring can tightly support the piston on the surface of the second cavity.
In a specific embodiment, an inner wall of the first cavity is provided with an internal thread, an outer side of the nozzle is provided with an external thread, and the nozzle is connected in the first cavity in a threaded manner.
In the above implementation, the internal thread is used for connecting the spray head.
In a specific embodiment, the width of the fifth cavity is less than the width of the fourth cavity.
In the above implementation, the pressure of the molten material is not reduced when the molten material enters the fifth cavity from the fourth cavity.
In a specific embodiment, a nut is fixedly sleeved on one side of the outer side of the spray head close to the external thread.
In the implementation process, the nut is convenient for screwing the spray head by utilizing the calipers, and the calipers can be directly clamped on the nut to rotate.
In a specific embodiment, the nut is also mounted outside the connecting sleeve.
In the implementation process, the nut is convenient for screwing the connecting sleeve by using the calipers, and the calipers can be directly clamped on the nut to rotate.
In a specific embodiment, the outer side of one end of the connecting sleeve, which is far away from the spray head, is provided with an external thread.
In the above implementation process, the external thread is used for being connected with an injection molding machine.
In a specific embodiment, a support block is mounted at one end of the spring away from the piston, and the ejector rod abuts against the surface of the support block.
In the implementation process, the supporting block plays a role in positioning and prevents the spring from inclining when in direct contact with the ejector rod.
In a specific embodiment, a threaded hole is formed in one end of the spray head opposite to the nozzle opening, and one end of the ejector rod is in threaded connection with the threaded hole.
In the implementation process, the threaded hole has a certain depth, and the exposed length of one end of the ejector rod can be adjusted through the screwing depth.
In a specific embodiment, a knob is arranged at one end of the ejector rod.
In the above implementation, the knob is used to rotate the ejector rod.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a first view structural diagram of a nozzle structure of a two-color injection molding machine according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural view of a second viewing angle of a nozzle structure of a two-color injection molding machine according to an embodiment of the present disclosure;
fig. 3 is a schematic structural view of a first viewing angle of a showerhead according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a second viewing angle of a showerhead provided in an embodiment of the present application.
In the figure: 100-a connection mechanism; 110-a connecting sleeve; 111-a first cavity; 112-a second cavity; 113-a third cavity; 114-a fourth cavity; 120-a piston; 130-a spring; 131-a support block; 200-a spray mechanism; 210-a spray head; 211-fifth cavity; 212-a nozzle orifice; 213-a nut; 214-a threaded hole; 220-a top rod; 221-knob.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, the present application provides a technical solution: the nozzle structure of the double-color injection molding machine comprises a connecting mechanism 100 and an injection mechanism 200, wherein the injection mechanism 200 is in threaded connection with the connecting mechanism 100.
Referring to fig. 1 and 2, the connecting mechanism 100 includes a connecting sleeve 110, a piston 120 and a spring 130, the connecting sleeve 110 is provided therein with a first cavity 111, a second cavity 112 and a third cavity 113, inner diameters of the first cavity 111, the second cavity 112 and the third cavity 113 are sequentially reduced, the connecting sleeve 110 is provided therein with a fourth cavity 114, the connecting sleeve 110 is also provided with a nut 213 at an outer side thereof, an outer thread is provided at an outer side of one end of the connecting sleeve 110 away from the nozzle 210, the fourth cavity 114 is provided at an outer side of the second cavity 112, the fourth cavity 114 is respectively communicated with the first cavity 111 and the second cavity 112, an inner thread is provided at an inner wall of the first cavity 111, an outer thread is provided at an outer side of the nozzle 210, the nozzle 210 is threadedly connected in the first cavity 111, the piston 120 is slidably connected in the second cavity 112, one end of the spring 130 is fixed on a surface of the piston 120, a length of the spring 130 is greater than a length from one end of the ejector pin 220 to a surface of the piston 120, the end of the spring 130 away from the piston 120 is provided with a supporting block 131, and the top rod 220 abuts against the surface of the supporting block 131.
Referring to fig. 1, 3 and 4, the injection mechanism 200 includes a nozzle 210 and a plunger 220, one end of the nozzle 210 is screwed into the first cavity 111, a fifth cavity 211 is formed in an inner wall of the nozzle 210, a width of the fifth cavity 211 is smaller than a width of the fourth cavity 114, a surface of the fifth cavity 211 at one end of the nozzle 210 is attached to and communicated with a surface of the first cavity 111, one end of the plunger 220 is screwed into the nozzle 210, the other end of the plunger 220 abuts against a surface of the spring 130, a knob 221 is installed at one end of the plunger 220, one end of the nozzle 210 away from the plunger 220 is provided with a nozzle 212, one end of the nozzle 210 opposite to the nozzle 212 is provided with a threaded hole 214, one end of the plunger 220 is screwed into the threaded hole 214, a nut 213 is fixedly sleeved on a side of an outer side of the nozzle 210 adjacent to the external thread, and the nozzle 212 is communicated with the fifth cavity 211.
Specifically, this nozzle structure's of double-colored injection molding machine theory of operation: when the injection molding machine works, the connecting sleeve 110 is screwed on the injection molding machine, the nozzle 210 is screwed in the first cavity 111 at one end of the connecting sleeve 110, at the moment, the fifth cavity 211 is just in butt joint communication with the fourth cavity 114, molten material enters the third cavity 113 from one end of the connecting sleeve 110 and then extrudes the piston 120 to enter the fourth cavity 114, and then enters the fifth cavity 211 to be ejected from the nozzle opening 212 at one end of the nozzle 210, when the molten material is stopped to be injected, the spring 130 tightly presses the piston 120 against the surface of the second cavity 112 to seal one end of the connecting sleeve 110, so that the molten material cannot flow out, the exposed length of the ejector rod 220 can be adjusted through the difference of the depth of the rotary ejector rod 220 entering at one end of the nozzle 210, so that the degree of the ejector rod 220 compressing the spring 130 is different, and the pressure of the ejected molten material is controlled.
The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A nozzle structure of a double-color injection molding machine is characterized by comprising
The connecting mechanism (100) comprises a connecting sleeve (110), a piston (120) and a spring (130), wherein a first cavity (111), a second cavity (112) and a third cavity (113) are formed in the connecting sleeve (110), the inner diameters of the first cavity (111), the second cavity (112) and the third cavity (113) are sequentially reduced, a fourth cavity (114) is formed in the connecting sleeve (110), the fourth cavity (114) is formed in the outer side of the second cavity (112), the fourth cavity (114) is respectively communicated with the first cavity (111) and the second cavity (112), the piston (120) is slidably connected in the second cavity (112), and one end of the spring (130) is fixed on the surface of the piston (120);
injection mechanism (200), injection mechanism (200) includes shower nozzle (210) and ejector pin (220), shower nozzle (210) one end threaded connection in first cavity (111), fifth cavity (211) have been seted up to shower nozzle (210) inner wall, shower nozzle (210) one end fifth cavity (211) surface with first cavity (111) surface laminating and intercommunication, ejector pin (220) one end threaded connection is in inside shower nozzle (210), ejector pin (220) other end supports spring (130) surface, shower nozzle (210) are kept away from shower nozzle (220) one end has been seted up nozzle mouth (212), nozzle mouth (212) with fifth cavity (211) intercommunication.
2. The nozzle structure of a two-color injection molding machine according to claim 1, wherein the length of said spring (130) is greater than the length from the end of said plunger (220) to the surface of said piston (120).
3. The nozzle structure of a two-shot molding machine according to claim 1, wherein the inner wall of the first cavity (111) is provided with internal threads, the outer side of the nozzle (210) is provided with external threads, and the nozzle (210) is in threaded connection with the first cavity (111).
4. The nozzle structure of a two-color injection molding machine according to claim 1, wherein the width of said fifth cavity (211) is smaller than the width of said fourth cavity (114).
5. The nozzle structure of a two-color injection molding machine according to claim 1, wherein a nut (213) is fixedly sleeved on the outer side of the nozzle (210) near the side of the external thread.
6. The nozzle structure of a two-color injection molding machine according to claim 5, wherein the nut (213) is also mounted outside the connecting sleeve (110).
7. The nozzle structure of a two-color injection molding machine according to claim 1, wherein the outer side of one end of the connecting sleeve (110) far away from the nozzle (210) is provided with an external thread.
8. The nozzle structure of a two-color injection molding machine according to claim 1, wherein a support block (131) is installed at an end of the spring (130) away from the piston (120), and the ejector pin (220) abuts against a surface of the support block (131).
9. The nozzle structure of a two-color injection molding machine according to claim 1, wherein a threaded hole (214) is opened at an end of the nozzle head (210) opposite to the nozzle opening (212), and one end of the ejector rod (220) is screwed in the threaded hole (214).
10. The nozzle structure of a two-color injection molding machine according to claim 1, wherein a knob (221) is installed at one end of the ejector rod (220).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122021052.5U CN215849325U (en) | 2021-08-25 | 2021-08-25 | Nozzle structure of double-color injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122021052.5U CN215849325U (en) | 2021-08-25 | 2021-08-25 | Nozzle structure of double-color injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215849325U true CN215849325U (en) | 2022-02-18 |
Family
ID=80242675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122021052.5U Expired - Fee Related CN215849325U (en) | 2021-08-25 | 2021-08-25 | Nozzle structure of double-color injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215849325U (en) |
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2021
- 2021-08-25 CN CN202122021052.5U patent/CN215849325U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |