Extrusion molding device for special-shaped rubber sealing ring
By designing an extrusion molding device for irregularly shaped rubber sealing rings, the problem of traditional devices being unable to flexibly switch production was solved. This enabled flexible switching and self-locking functions on the production line, improved production efficiency and the stability of the molding device, met the production needs of sealing rings of different shapes, and achieved flexible switching of the production line, stable equipment maintenance, and stable molding device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANGZHONG TIANCHENG SEALING TECH CO LTD
- Filing Date
- 2025-07-29
- Publication Date
- 2026-06-26
AI Technical Summary
Traditional rubber seal extrusion molding equipment cannot flexibly switch between producing products of different shapes on the same production line. The mold switching is cumbersome and lacks self-locking function, which leads to increased equipment maintenance complexity and production costs, affecting product quality and consistency.
An extrusion molding device for irregularly shaped rubber seals was designed, comprising a conveying and extrusion assembly, a molding assembly, and an adjustment assembly. It can flexibly switch between producing O-ring seals or deep groove ball bearing seals with notches, and achieves self-locking through the adjustment assembly to ensure the stability of the molding process.
It enables flexible switching between the production of sealing rings of different shapes on the same production line, reduces the complexity and cost of equipment maintenance, improves production stability and molding quality, and meets different sealing requirements.
Smart Images
Figure CN224408417U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sealing component preparation technology, specifically an extrusion molding device for irregularly shaped rubber sealing rings. Background Technology
[0002] In modern industrial production, rubber seals are widely used in many fields such as automobiles, machinery, electronics, and home appliances. Their function is to prevent liquid or gas leakage and ensure the normal operation and sealing performance of equipment. With the continuous advancement of technology and the diversification of industrial products, the requirements for the shape, precision, and performance of rubber seals are increasing, especially the demand for irregularly shaped rubber seals.
[0003] However, traditional rubber ring extrusion molding equipment has many limitations. First, most molding devices can only produce rings of a single shape, such as O-rings or deep groove ball bearing rings, and cannot flexibly switch between producing different shapes on the same production line. This forces manufacturers to purchase multiple sets of production equipment, increasing production costs and the complexity of equipment maintenance. Second, mold switching in some molding devices is cumbersome, requiring a large amount of manual operation and adjustment. This not only increases labor costs and operational risks, but also makes it difficult to guarantee the positioning accuracy and stability of the mold after switching, thus affecting product quality and production consistency. Furthermore, the lack of an effective self-locking function makes the mold position prone to displacement due to external interference or equipment vibration during production, further affecting the molding effect of the rings. Utility Model Content
[0004] The purpose of this invention is to provide an extrusion molding device for irregularly shaped rubber sealing rings to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An extrusion molding apparatus for irregularly shaped rubber sealing rings includes a frame and a housing horizontally arranged on the frame. A conveying extrusion assembly is provided on the housing. When the conveying extrusion assembly is running, it can convey raw materials from one end of the housing to the other end.
[0007] The other end of the outer shell is provided with a molding component, which can be switched to two forms and, together with the conveying and extrusion component, forms the conveyed raw material into an O-ring or a deep groove ball bearing seal with a notch.
[0008] The frame is equipped with an adjustment component, which cooperates with the molding component. The adjustment component can switch the molding component between two modes and maintain self-locking after the switching is completed.
[0009] As a further embodiment of this utility model:
[0010] The conveying and extrusion assembly includes a screw conveyor and a motor, with the screw conveyor rotatably disposed inside the housing.
[0011] The motor is mounted on the frame, and one end of the spiral conveyor rod is coaxially connected to the output end of the motor.
[0012] As a further improvement of this utility model:
[0013] The housing has a feed inlet at one end near the motor and a discharge outlet at the other end away from the motor.
[0014] When the screw conveyor rotates, the raw material that enters the shell through the feed port will move toward the discharge port and be squeezed out of the shell.
[0015] As a further improvement of this utility model:
[0016] The molding assembly includes a central shaft, a ring, and a turntable. One end of the central shaft is coaxially connected to the other end of the spiral conveyor rod, and the other end of the central shaft extends through the discharge port to the outside of the outer shell.
[0017] The circular ring is disposed at the other end of the outer shell, and the turntable is rotatably disposed at the other end of the outer shell and sleeved on the outside of the circular ring. The discharge port, central shaft, circular ring and turntable are all coaxially arranged.
[0018] As a further improvement of this utility model:
[0019] The inner side of the ring is provided with a guide groove along its radial direction. There are multiple guide grooves and they are evenly distributed along the circumference. A sliding rod is slidably arranged in each of the multiple guide grooves. A hemispherical block is provided at one end of the sliding rod near the center of the ring.
[0020] The turntable has multiple arc-shaped grooves that are evenly distributed along the circumference. Each of the multiple sliding rods is equipped with a slider, and the sliders are located in the multiple arc-shaped grooves and slide in cooperation.
[0021] As a further improvement of this utility model:
[0022] The adjustment assembly includes a worm gear and a rotating shaft, both of which are rotatably mounted on the frame.
[0023] A worm gear is coaxially mounted on the rotating shaft, and the worm gear and the worm mesh with each other.
[0024] As a further improvement of this utility model:
[0025] A handwheel is coaxially mounted on one end of the worm gear, and a gear is coaxially mounted on the rotating shaft;
[0026] The circumferential surface of the turntable is provided with an arc-shaped toothed plate, and the gear and the arc-shaped toothed plate mesh with each other.
[0027] Compared with the prior art, the beneficial effects of this utility model are:
[0028] The conveying extrusion assembly can transport raw materials from one end of the shell to the other, providing a stable raw material flow for subsequent molding; the molding assembly can flexibly switch between two forms, and together with the conveying extrusion assembly, can respectively produce O-ring seals or deep groove ball bearing seals with notches to meet different sealing requirements; the adjustment assembly on the frame works in conjunction with the molding assembly to achieve precise switching of the molding assembly's form and maintain self-locking after switching, ensuring a stable and reliable molding process. Attached Figure Description
[0029] Figure 1 This is a schematic diagram of the overall structure of an extrusion molding apparatus for irregularly shaped rubber sealing rings according to one embodiment.
[0030] Figure 2 This is a cross-sectional view of the housing and part of the molding components in one embodiment of an extrusion molding apparatus for irregularly shaped rubber seals.
[0031] Figure 3 for Figure 2 Enlarged view of point A in the middle.
[0032] Figure 4 This is a schematic diagram of the overall structure from another perspective of one embodiment of an extrusion molding apparatus for irregularly shaped rubber seals.
[0033] Figure 5 for Figure 4 Enlarged view of section B in the middle.
[0034] Figure 6 This is a schematic diagram showing the disassembled molding component in one embodiment of an extrusion molding apparatus for irregularly shaped rubber sealing rings.
[0035] In the diagram: 1. Frame; 2. Outer shell; 201. Feed inlet; 202. Discharge outlet; 3. Screw conveyor; 4. Motor; 5. Central shaft; 6. Ring; 601. Guide groove; 7. Turntable; 701. Arc groove; 8. Slide rod; 801. Hemispherical block; 9. Slider; 10. Worm; 11. Rotating shaft; 12. Worm gear; 13. Handwheel; 14. Gear; 15. Arc toothed plate. Detailed Implementation
[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0037] Furthermore, the elements in this invention are referred to as being "fixed to" or "set on" another element, which may be directly on the other element or may also include an intervening element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or may also include an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.
[0038] Please see Figures 1-6 In this embodiment of the present invention, an extrusion molding device for an irregularly shaped rubber sealing ring includes a frame 1 and a housing 2 horizontally arranged on the frame 1. The housing 2 is provided with a conveying and extrusion assembly. When the conveying and extrusion assembly is running, it can convey raw materials from one end of the housing 2 to the other end.
[0039] The other end of the outer shell 2 is provided with a molding component, which can be switched to two forms and, together with the conveying and extrusion component, forms the conveyed raw material into an O-ring or a deep groove ball bearing seal with a notch.
[0040] An adjustment component is provided on the frame 1. The adjustment component and the molding component cooperate with each other. The adjustment component can switch the molding component between two modes and maintain self-locking after the switching is completed.
[0041] In this scheme, when the shaped rubber sealing ring extrusion molding device is running, firstly, the conveying extrusion assembly is started, conveying the raw material from one end of the outer shell 2 to the other end; during the raw material conveying process, the molding assembly is located at the other end of the outer shell 2 and works in conjunction with the conveying extrusion assembly; the molding assembly has two forms, which can be switched by adjusting the assembly; when it is necessary to produce O-rings, the adjusting assembly switches the molding assembly to the corresponding form, and under the action of the conveying extrusion assembly, the raw material is made into O-rings; when it is necessary to produce deep groove ball bearing seals with notches, the adjusting assembly switches the molding assembly to another form, and the raw material is made into the target product with the cooperation of the corresponding molding assembly; moreover, the adjusting assembly can remain self-locking after the switching is completed, ensuring that the molding assembly stably produces in the switched form.
[0042] As a further embodiment of this utility model, the conveying and extrusion assembly includes a spiral conveying rod 3 and a motor 4, wherein the spiral conveying rod 3 is rotatably disposed inside the housing 2;
[0043] The motor 4 is mounted on the frame 1, and one end of the spiral conveyor rod 3 is coaxially connected to the output end of the motor 4;
[0044] The outer casing 2 is provided with a feed inlet 201 at one end near the motor 4, and a discharge outlet 202 is provided at the other end of the outer casing 2 away from the motor 4;
[0045] When the screw conveyor 3 rotates, the raw material that enters the interior of the housing 2 through the feed port 201 will move toward the discharge port 202 and be squeezed out to the outside of the housing 2.
[0046] In this embodiment, when the motor 4 is started, its output end drives the spiral conveyor rod 3, which is fixed coaxially with it, to rotate inside the housing 2. At this time, the raw material enters the housing 2 from the feed port 201 on the housing 2 near the motor 4. As the spiral conveyor rod 3 rotates, the raw material is continuously pushed to the end away from the motor 4 and finally squeezed out of the housing 2 from the discharge port 202 on the other end of the housing 2, completing the conveying and extrusion process of the raw material and providing a continuous and stable material supply for subsequent molding operations.
[0047] As a further embodiment of this utility model, the molding component includes a central shaft 5, a ring 6 and a turntable 7. One end of the central shaft 5 is coaxially connected to the other end of the spiral conveying rod 3, and the other end of the central shaft 5 extends through the discharge port 202 to the outside of the outer shell 2.
[0048] The circular ring 6 is disposed at the other end of the outer shell 2, and the turntable 7 is rotatably disposed at the other end of the outer shell 2 and sleeved on the outside of the circular ring 6. The discharge port 202, the central shaft 5, the circular ring 6 and the turntable 7 are all coaxially arranged.
[0049] The inner ring 6 has a guide groove 601 along its radial direction. Multiple guide grooves 601 are provided and evenly distributed along the circumference. A slide rod 8 is slidably provided in each of the multiple guide grooves 601. A hemispherical block 801 is provided at one end of the slide rod 8 near the center of the ring 6.
[0050] The turntable 7 has an arc-shaped groove 701. The arc-shaped groove 701 is provided in multiple ways and is evenly distributed along the circumference. Each of the multiple sliding rods 8 is provided with a slider 9. The multiple sliders 9 are located in the multiple arc-shaped grooves 701 and slide in cooperation.
[0051] In this embodiment, when an O-ring needs to be produced, the turntable 7 is rotated forward by an external force. Since the slider 9 fixed on the slide rod 8 is located in the arc groove 701 of the turntable 7 and the two are in sliding cooperation, as the turntable 7 rotates forward, the slider 9 slides in the arc groove 701, thereby driving the slide rod 8 to slide away from the center of the ring 6. The slide rod 8 is slidably set in the guide groove 601 opened radially in the ring 6, so the slide rod 8 will drive the hemispherical block 801 fixed near the center of the ring 6 to retract into the guide groove 601. When all the hemispherical blocks 801 on the slide rod 8 have retracted into the guide groove 601, a complete O-shape is formed between the central shaft 5 and the ring 6. At this time, the raw material extruded from the discharge port 202 is formed in the O-shaped space formed by the central shaft 5 and the ring 6, and finally an O-ring is produced.
[0052] When it is necessary to produce a notched deep groove ball bearing seal ring, the turntable 7 is rotated in the opposite direction by external force. Similarly, the slider 9 slides in the arc groove 701 on the turntable 7, but at this time the slider 9 will drive the slide rod 8 to slide towards the center of the ring 6. The slide rod 8 slides in the guide groove 601, so that the hemispherical block 801 fixed at the end of the slide rod 8 near the center of the ring 6 extends out of the guide groove 601. When the hemispherical blocks 801 on multiple slide rods 8 extend out of the guide groove 601, multiple notched parts are formed. At this time, the raw material squeezed out from the discharge port 202 is formed in the specific shape space formed by the central shaft 5, the ring 6 and the extended hemispherical blocks 801, and finally the notched deep groove ball bearing seal ring is produced.
[0053] As a further embodiment of this utility model, the adjustment assembly includes a worm gear 10 and a rotating shaft 11, both of which are rotatably mounted on the frame 1.
[0054] A worm gear 12 is coaxially arranged on the rotating shaft 11, and the worm gear 12 and the worm 10 mesh with each other;
[0055] A handwheel 13 is coaxially mounted on one end of the worm gear 10, and a gear 14 is coaxially mounted on the rotating shaft 11.
[0056] The circumferential surface of the turntable 7 is provided with an arc-shaped toothed plate 15, and the gear 14 and the arc-shaped toothed plate 15 mesh with each other.
[0057] In this embodiment, when it is necessary to switch the shape of the molding component, the handwheel 13 is turned by hand. The handwheel 13 drives the worm gear 10 to rotate, and the worm wheel 12 meshing with the worm gear 10 rotates on the rotating shaft 11 accordingly, thereby driving the rotating shaft 11 to rotate. The gear 14, which is fixed coaxially with the rotating shaft 11, begins to rotate. Since the gear 14 meshes with the arc-shaped toothed plate 15 on the turntable 7, the turntable 7 rotates at the other end of the outer casing 2, thereby realizing the switching of the shape of the molding component to meet the needs of producing O-ring seals or notched deep groove ball bearing seals.
[0058] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0059] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. An extrusion molding apparatus for irregularly shaped rubber sealing rings, comprising a frame (1) and a housing (2) horizontally disposed on the frame (1), characterized in that, The outer shell (2) is provided with a conveying and extrusion assembly. When the conveying and extrusion assembly is running, it can convey raw materials from one end of the outer shell (2) to the other end. The other end of the outer shell (2) is provided with a molding component, which can be switched to two forms and, together with the conveying and extrusion component, forms the conveyed raw material into an O-ring or a deep groove ball bearing seal with a notch. An adjustment component is provided on the frame (1). The adjustment component and the molding component cooperate with each other. The adjustment component can switch the molding component between two modes and maintain self-locking after the switching is completed.
2. The extrusion molding apparatus for an irregularly shaped rubber sealing ring according to claim 1, characterized in that, The conveying and extrusion assembly includes a screw conveyor (3) and a motor (4), wherein the screw conveyor (3) is rotatably disposed inside the housing (2); The motor (4) is mounted on the frame (1), and one end of the spiral conveyor rod (3) is coaxially connected to the output end of the motor (4).
3. The extrusion molding apparatus for an irregularly shaped rubber sealing ring according to claim 2, characterized in that, The outer casing (2) has a feed inlet (201) at one end near the motor (4) and a discharge outlet (202) at the other end away from the motor (4). When the screw conveyor (3) rotates, the raw material that enters the interior of the shell (2) through the feed port (201) will move toward the discharge port (202) and be squeezed out to the outside of the shell (2).
4. The extrusion molding apparatus for an irregularly shaped rubber sealing ring according to claim 3, characterized in that, The molding assembly includes a central shaft (5), a ring (6) and a turntable (7). One end of the central shaft (5) is coaxially connected to the other end of the spiral conveyor (3), and the other end of the central shaft (5) extends through the discharge port (202) to the outside of the outer shell (2). The ring (6) is disposed at the other end of the outer shell (2), and the turntable (7) is rotatably disposed at the other end of the outer shell (2) and sleeved on the outside of the ring (6). The discharge port (202), the central shaft (5), the ring (6) and the turntable (7) are all coaxially disposed.
5. The extrusion molding apparatus for an irregularly shaped rubber sealing ring according to claim 4, characterized in that, The inner ring (6) is provided with a guide groove (601) along its radial direction. The guide groove (601) is provided in multiple ways and is evenly distributed along the circumference. A slide rod (8) is slidably provided in each of the multiple guide grooves (601). A hemispherical block (801) is provided at one end of the slide rod (8) near the center of the ring (6). The turntable (7) has an arc-shaped groove (701) provided. The arc-shaped groove (701) is provided in multiple ways and is evenly distributed along the circumference. Each of the multiple sliding rods (8) is provided with a slider (9). The multiple sliders (9) are located in the multiple arc-shaped grooves (701) and slide together.
6. The extrusion molding apparatus for an irregularly shaped rubber sealing ring according to claim 4, characterized in that, The adjustment assembly includes a worm gear (10) and a rotating shaft (11), both of which are rotatably mounted on the frame (1). A worm gear (12) is coaxially arranged on the rotating shaft (11), and the worm gear (12) and the worm (10) mesh with each other.
7. The extrusion molding apparatus for a shaped rubber sealing ring according to claim 6, characterized in that, A handwheel (13) is coaxially mounted on one end of the worm (10), and a gear (14) is coaxially mounted on the rotating shaft (11). The circumferential surface of the turntable (7) is provided with an arc-shaped toothed plate (15), and the gear (14) and the arc-shaped toothed plate (15) mesh with each other.