Nozzle of injection molding machine
By introducing a sealing ring and a second nozzle into the injection molding machine nozzle, the problem of nozzle dripping was solved, resulting in reduced waste, extended mold life, and improved production efficiency.
Patent Information
- Application Number
- CN202422558748.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-23
AI Technical Summary
Existing injection molding machine nozzles are prone to dripping, leading to production line downtime for cleaning, environmental pollution, mold wear and corrosion, and increased production costs and time loss.
An injection molding machine nozzle has been designed, including a first nozzle, a second nozzle, and a connecting cylinder. A sealing ring is provided inside the connecting cylinder, and the sealing ring is slidably connected to the nozzle. Through the cooperation of the sealing ring and the second nozzle, material is prevented from flowing directly into the mold. The cross-shaped flap provides an excellent sealing effect and prevents dripping.
It reduces waste and time costs in the production process, extends mold life, improves production efficiency and safety, and avoids material dripping and leakage on the mold.
Smart Images
Figure CN223466608U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to injection moulding technical field, concretely relates to a kind of injection moulding machine nozzle. BACKGROUND
[0002] Injection moulding machine nozzle is an important component for plastic injection molding processing.It is located at the end of the nozzle of injection molding machine, and the main role is to push the heated and melted plastic into the mold cavity to form the required plastic parts or products.In the closed state, the nozzle must maintain good sealing to ensure the cleanliness and safety of the production environment.In actual use, there is still a phenomenon of dripping material at the nozzle, because of the residual melted plastic at the end of the nozzle, the injection material may continue to drip due to internal pressure or viscosity.
[0003] Dripping material can cause production line downtime for cleaning, prolong production cycle and reduce injection molding production efficiency.Uncontrolled plastic leakage can pollute the production environment, which may pose a risk to the health of workers, and also increase the cost of environmental management.Dripping material means loss of plastic, especially in large-scale production, which can significantly increase the cost.Dripping material can cause plastic to adhere or accumulate on the mold surface, especially under high temperature and pressure, and these plastic residues can cause wear and corrosion to the mold surface due to adhesion and pressure, shortening the service life of the mold.Frequent dripping problems require downtime for cleaning, increasing the maintenance cost of the production line and production downtime, reducing production efficiency.
[0004] In summary, the existing injection molding machine nozzle has the problem of easy dripping. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model provides an injection molding machine nozzle, which can solve the problem of easy dripping of the existing injection molding machine nozzle.
[0006] The utility model is realized as follows:
[0007] The utility model provides an injection molding machine nozzle, which comprises a first nozzle and a second nozzle, a connecting barrel is arranged between the first nozzle and the second nozzle, the connecting barrel is located below the first nozzle, the connecting barrel is fixedly connected with the first nozzle, a second nozzle is arranged in the connecting barrel, the connecting barrel is slidably connected with the second nozzle, a sealing ring is further arranged in the connecting barrel, the sealing ring is used for separating the first nozzle and the second nozzle, and the sealing ring is slidably connected with the inner wall of the connecting barrel.
[0008] The technical effect of the injection molding machine nozzle is as follows: the first nozzle, the sealing ring and the second nozzle are arranged, injection material can not directly flow out of the first nozzle and contact the injection mold, the sealing ring can be driven to slide in the connecting cylinder by the second nozzle, so that the excess material dripping in the first nozzle can be avoided from being directly poured into the mold, and the overflow can be avoided; the waste and the time cost in the production process can be reduced, the service life of the mold can be prolonged, and the excess material can be prevented from dripping on the mold; the synchronization of opening and closing of the injection molding machine nozzle is facilitated, and the delay and mismatch of operation and material injection are avoided.
[0009] Based on the above technical solutions, the injection molding machine nozzle of the utility model can be further improved as follows:
[0010] The first nozzle comprises a discharging cylinder and a first discharging port, the discharging cylinder is a combined structure of a circular truncated cone and a circular cylinder, the bottom of the discharging cylinder is provided with the first discharging port, the discharging cylinder is fixedly connected with one end of the connecting cylinder, the connecting cylinder is an annular structure, and the diameter of the connecting cylinder is the same as the diameter of the widest part of the discharging cylinder.
[0011] The connecting cylinder is used for connecting the first nozzle and the second nozzle, so that the material flowing out of the first nozzle can be prevented from leaking to the outside and causing pollution and waste.
[0012] Further, the sealing ring is a circular ring structure, the diameter of the sealing ring is the same as the diameter of the inner wall of the connecting cylinder, a cross-shaped valve is arranged at the midpoint of the sealing ring, the cross-shaped valve is fixedly connected with the sealing ring, a storage cavity is arranged above the sealing ring, and the storage cavity is located between the first discharging port and the sealing ring.
[0013] The size of the sealing ring is the same as the size of the inner wall of the connecting cylinder, so that the material flowing out of the first nozzle can be effectively prevented from leaking along the edge of the connecting cylinder, the cross-shaped valve can provide excellent sealing effect and effectively prevent the injection material from leaking, the cross-shaped valve can be quickly opened or closed, has excellent adjusting capacity, and the cross-shaped valve is designed to have bearing capacity, and is stable in structure and can bear greater pressure and impact force.
[0014] Further, the second nozzle comprises a nozzle body, a feeding port and a second discharging port, the nozzle body is a combined structure of a circular truncated cone and a circular cylinder, the nozzle body is symmetrically arranged with the discharging cylinder, the top of the nozzle body is provided with the feeding port, and the bottom of the nozzle body is provided with the second discharging port.
[0015] Further, the size of the first discharge port is smaller than the size of the cross valve, and the size of the feeding port is larger than the size of the cross valve.
[0016] The beneficial effect of the above-mentioned improvement scheme is that, since the size of the first discharge port is smaller than the size of the cross valve, the first discharge port can be easily inserted into the feeding port, realizing the communication of the first discharge port and the feeding port.
[0017] Further, the nozzle body is fixedly connected with the sealing ring, and the feeding port is arranged outside the cross valve.
[0018] Further, the bottom of the nozzle body is provided with a convex strip, the convex strip is fixedly connected with the nozzle body, and the convex strip has an annular structure.
[0019] Further, the diameter of the convex strip is larger than the diameter of the connecting barrel.
[0020] Further, the maximum diameter of the nozzle body is the same as the diameter of the inner wall of the connecting barrel.
[0021] Further, a spring is arranged on the convex strip, one end of the spring is fixedly connected with the convex strip, and the other end of the spring is fixedly connected with the connecting barrel.
[0022] Compared with the prior art, the beneficial effect of the injection molding machine nozzle provided by the utility model is that, by arranging the first nozzle, the sealing ring and the second nozzle, the injection molding material can be prevented from directly flowing out of the first nozzle and contacting the injection mold, the second nozzle can drive the sealing ring to slide in the connecting barrel, thereby preventing the excess material dripping in the first nozzle from being directly poured into the mold, and the overflow is avoided. This is helpful to reduce the waste and time cost in the production process, can prolong the service life of the mold, and can prevent the excess material from dripping on the mold. Meanwhile, the synchronization of the opening and closing of the injection molding is facilitated, and the time delay and mismatching of the operation and the material injection are avoided. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the utility model. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.
[0024] Fig. 1 It is an internal structure schematic view of an injection molding machine nozzle.
[0025] Fig. 2An internal structure diagram of a usage state of a nozzle of an injection molding machine;
[0026] Fig. 3 A top view of a sealing ring of a nozzle of an injection molding machine;
[0027] In the drawings, the components represented by the respective reference numerals are listed as follows:
[0028] 10, first nozzle; 101, discharge barrel; 102, first discharge port; 11, connecting barrel; 12, storage cavity; 13, sealing ring; 14, cross valve; 15, second nozzle; 151, nozzle body; 152, feeding port; 153, second discharge port; 16, spring; 17, convex strip. DETAILED DESCRIPTION
[0029] In order to make the purposes, technical schemes and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.
[0030] As Figs. 1-3 shown, is an embodiment of a nozzle of an injection molding machine provided by the utility model, in the embodiment, including first nozzle 10 and second nozzle 15, connecting barrel 11 is arranged between first nozzle 10 and second nozzle 15, connecting barrel 11 is located below first nozzle 10, connecting barrel 11 is fixedly connected with first nozzle 10, second nozzle 15 is arranged in connecting barrel 11, connecting barrel 11 is slidably connected with second nozzle 15, sealing ring 13 is further arranged in connecting barrel 11, sealing ring 13 is used to separate first nozzle 10 and second nozzle 15, sealing ring 13 is slidably connected with the inner wall of connecting barrel 11.
[0031] In use, the nozzle body 151 is pressed against the injection port of the injection mold, and the nozzle is pressed downward to make the sealing ring 13 slide in the inside of the connecting cylinder 11, the sealing ring 13 slides towards the discharge cylinder 101, the convex strip 17 slides under the driving of the nozzle body 151, the spring 16 is compressed, and the volume of the storage cavity 12 gradually becomes smaller; when the sealing ring 13 cannot continue to move upward and abuts against the discharge cylinder 101, the first discharge port 102 passes through the cross valve 14 to make the cross valve 14 in an open state, and the first discharge port 102 is inserted into the feeding port 152, at this time, the injection material flowing out of the first discharge port 102 can directly flow into the feeding port 152 and then flow out of the second discharge port 153 through the nozzle body 151 to be injected into the injection mold. After the injection is completed, the injection process is stopped, and a large amount of residual injection material is left in the discharge cylinder 101, at this time, the nozzle is released, the spring 16 rebounds to drive the nozzle body 151 and the sealing ring 13 to move downward, the first discharge port 102 is separated from the feeding port 152 and the first discharge port 102 is extracted from the cross valve 14, the volume of the storage cavity 12 gradually becomes larger, and the residual injection material in the discharge cylinder 101 flows to the sealing ring 13 through the first discharge port 102, and since the cross valve 14 has a certain supporting capacity, the excess injection material cannot leak through the cross valve 14.
[0032] In the above technical solution, the first nozzle 10 comprises a discharge cylinder 101 and a first discharge port 102, the discharge cylinder 101 has a combined structure of a circular truncated cone and a circular cylinder, the first discharge port 102 is arranged at the bottom of the discharge cylinder 101, and the discharge cylinder 101 is fixedly connected with one end of a connecting cylinder 11, the connecting cylinder 11 has a ring structure, and the diameter of the connecting cylinder 11 is the same as the diameter of the widest part of the discharge cylinder 101.
[0033] Further, in the above technical solution, the sealing ring 13 has a ring structure, the diameter of the sealing ring 13 is the same as the diameter of the inner wall of the connecting cylinder 11, a cross valve 14 is arranged at the midpoint of the sealing ring 13, the cross valve 14 is fixedly connected with the sealing ring 13, a storage cavity 12 is arranged above the sealing ring 13, and the storage cavity 12 is located between the first discharge port 102 and the sealing ring 13.
[0034] Further, in the above technical solution, the second nozzle 15 comprises a nozzle body 151, a feeding port 152 and a second discharge port 153, the nozzle body 151 has a combined structure of a circular truncated cone and a circular cylinder, the nozzle body 151 is symmetrically arranged with the discharge cylinder 101, the feeding port 152 is arranged at the top of the nozzle body 151, and the second discharge port 153 is arranged at the bottom of the nozzle body 151.
[0035] Further, in the above technical solution, the size of the first discharge port 102 is smaller than the size of the cross valve 14, and the size of the feeding port 152 is larger than the size of the cross valve 14.
[0036] Further, in the above technical solution, the nozzle body 151 is fixedly connected with the sealing ring 13, and the feeding port 152 is arranged outside the cross valve 14.
[0037] Further, in the above technical solution, the bottom of the nozzle body 151 is provided with a convex strip 17, the convex strip 17 is fixedly connected with the nozzle body 151, and the convex strip 17 is in an annular structure.
[0038] Further, in the above technical solution, the diameter of the convex strip 17 is greater than the diameter of the connecting barrel 11.
[0039] Further, in the above technical solution, the maximum diameter of the nozzle body 151 is the same as the diameter of the inner wall of the connecting barrel 11.
[0040] Further, in the above technical solution, the convex strip 17 is provided with a spring 16, one end of the spring 16 is fixedly connected with the convex strip 17, and the other end of the spring 16 is fixedly connected with the connecting barrel 11.
[0041] Specifically, the principle of the utility model is as follows: when in use, the nozzle body 151 is pressed against the feeding port of the injection mold, the nozzle is pressed downward to make the nozzle body 151 drive the sealing ring 13 to slide in the connecting barrel 11, the sealing ring 13 slides towards the direction of the discharging barrel 101, the nozzle body 151 drives the convex strip 17 to slide, the spring 16 is compressed, and the volume of the storage cavity 12 gradually becomes smaller; when the sealing ring 13 is pressed against the discharging barrel 101 and cannot continue to move upward, the first discharging port 102 passes through the cross valve 14 to make the cross valve 14 in an open state, the first discharging port 102 is inserted into the feeding port 152, at this time, the injection material flowing out of the first discharging port 102 can directly flow into the feeding port 152 and then flow out of the second discharging port 153 through the nozzle body 151 and then be poured into the injection mold. After the injection is completed, the injection process is stopped, a large amount of residual injection material is left in the discharging barrel 101, at this time, the nozzle is released, the spring 16 rebounds to drive the nozzle body 151 and the sealing ring 13 to move downward, the first discharging port 102 is separated from the feeding port 152 and at the same time the first discharging port 102 is extracted from the cross valve 14, the volume of the storage cavity 12 gradually becomes larger, the residual injection material in the discharging barrel 101 flows to the sealing ring 13 through the first discharging port 102, and since the cross valve 14 has a certain supporting capacity, the excessive injection material cannot leak through the cross valve 14.
Claims
1. An injection molding machine nozzle characterized by, The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11).
2. An injection molding machine nozzle as defined in claim 1, wherein, The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11).
3. An injection molding machine nozzle as defined in claim 2, wherein, The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11).
4. An injection molding machine nozzle as defined in claim 3, wherein, The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11).
5. An injection molding machine nozzle as defined in claim 4, wherein, The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11).
6. An injection molding machine nozzle as defined in claim 5, wherein, The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11).
7. An injection molding machine nozzle as defined in claim 6, wherein The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11).
8. An injection molding machine nozzle as defined in claim 7, wherein, The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11).
9. An injection molding machine nozzle as defined in claim 8, wherein, The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11). The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11). The utility model provides a nozzle, including first nozzle (10) with second nozzle (15), be provided with connecting cylinder (11) between first nozzle (10) with second nozzle (15), connecting cylinder (11) is located below first nozzle (10), connecting cylinder (11) is fixedly connected with first nozzle (10), second nozzle (15) is provided in connecting cylinder (11) inside, connecting cylinder (11) is slidably connected with second nozzle (15), still be provided with sealing ring (13) in connecting cylinder (11), sealing ring (13) is used for separating first nozzle (10) with second nozzle (15), sealing ring (13) is slidably connected with the inner wall of connecting cylinder (11).
10. An injection molding machine nozzle as defined in claim 9, wherein, The convex strip (17) is provided with a spring (16), one end of the spring (16) is fixedly connected with the convex strip (17), and the other end of the spring (16) is fixedly connected with the connecting cylinder (11).