Die for realizing debugging-free wall thickness of rubber extrusion pipeline
By designing the coordination between the outer die and the inner die, a ring-shaped glue outlet hole is formed, which solves the time-consuming and labor-intensive problem of mold debugging in traditional rubber pipe extrusion, and achieves uniformity of pipe wall thickness and improved production efficiency.
Patent Information
- Application Number
- CN202423009980.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-06
AI Technical Summary
Traditional rubber pipe extrusion requires repeated debugging of the inner and outer layer molds, which is time-consuming and labor-intensive, and makes it difficult to ensure uniform pipe wall thickness.
A rubber extrusion die is designed, which includes an outer die and an inner die. The extrusion hole of the outer die cooperates with the core column of the inner die to form an annular rubber outlet hole, ensuring that the center line of the mounting ring coincides with the center line of the annular groove, thereby achieving uniform pipe wall thickness.
It simplifies the mold debugging process, improves production efficiency, ensures the uniformity of pipe wall thickness, and avoids the tedious operations of traditional debugging.
Smart Images
Figure CN223442796U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rubber processing technical field, especially relate to a mould of realizing rubber extrusion pipeline wall thickness exempts from debugging. BACKGROUND
[0002] The rubber pipe is a kind of hollow tubular rubber product, and the application in the field of automobile is mainly connected engine and air cleaner, engine and radiator system, automobile air conditioning system etc.
[0003] Traditional rubber pipeline extrusion needs to repeatedly debug up, down, left and right of inner layer and outer layer mould, so that extruded rubber pipeline wall thickness is uniform, and debugging process is time-consuming and labor-consuming. UTILITY MODEL CONTENTS
[0004] The utility model aims at: for the traditional rubber pipeline extrusion in the background art, repeatedly debug up, down, left and right of inner layer and outer layer mould, so that extruded rubber pipeline wall thickness is uniform, and the problem that debugging process is time-consuming and labor-consuming, provide a kind of mould of realizing rubber extrusion pipeline wall thickness exempts from debugging.
[0005] The utility model provides a kind of mould of realizing rubber extrusion pipeline wall thickness exempts from debugging, comprising:
[0006] Outer mouth die, the outer mouth die inside has glue injection cavity, the first end of the glue injection cavity is equipped with extrusion hole, the tail end of the glue injection cavity is equipped with annular groove, the center line of the extrusion hole and the annular groove coincides;
[0007] Inner mouth die, the inner mouth die includes core mould, the core mould outer wall is equipped with installation ring around upper side, the one end of the core mould away from the installation ring is provided with core column, the center line of the core column and the installation ring coincides, the outer diameter of the installation ring is equal to the inner diameter of the annular groove;
[0008] The outer mouth die and the inner mouth die are configured as: when the installation ring is assembled in the annular groove, the core mould is located in the glue injection cavity, the core column is located in the extrusion hole, and annular glue outlet hole is formed between the core column and the extrusion hole.
[0009] The application discloses a mold for realizing wall thickness debugging-free rubber extrusion pipeline, which comprises an outer mouth mold and an inner mouth mold, wherein the extrusion hole of the outer mouth mold is coincident with the center line of the annular groove, and the core column of the inner mouth mold is coincident with the center line of the mounting ring.
[0010] Preferably, a flow channel is formed between the outer wall of the core mold and the inner wall of the glue injection cavity.
[0011] The mounting ring and the core mold are provided with a glue injection hole, and the glue injection hole is communicated with the flow channel.
[0012] Preferably, the glue injection holes are arranged at intervals in the circumferential direction of the core mold.
[0013] Preferably, the number of the glue injection holes is not less than three.
[0014] Preferably, the support framework is used for connecting the mounting ring and the core mold, and the glue injection holes are formed between adjacent support frameworks.
[0015] Preferably, the upper part of the support framework is provided with a bevel, and the lower part of the support framework is provided with a round edge.
[0016] Preferably, the inner wall of the glue injection cavity is conical.
[0017] Preferably, the outer wall of the core mold is conical.
[0018] Preferably, the base is provided with a joint groove at one end and a threaded column at the other end, and the threaded column is used for connecting with the base of equipment.
[0019] The one end of the core mold close to the mounting ring is provided with a mounting column, and the mounting column is used for mounting in the joint groove.
[0020] Compared with the prior art, the application has the following beneficial effects:
[0021] The mould for realizing the wall thickness of rubber extrusion pipeline free of debugging comprises an outer port mould and an inner port mould, the extrusion hole of the outer port mould is coincided with the center line of the annular groove, the core column of the inner port mould is coincided with the center line of the mounting ring, when the outer port mould and the inner port mould are assembled, the mounting ring is installed in the annular groove, the core mould is located in the glue injection cavity, the core column is located in the extrusion hole, and the annular glue outlet hole is formed between the core column and the extrusion hole, since the outer diameter of the mounting ring is equal to the inner diameter of the annular groove, when the mounting ring is assembled in the annular groove, the mounting ring and the center line of the annular groove are coincided with each other, so that the core column and the center line of the extrusion hole are coincided with each other, and then the core column and the extrusion hole form an annular cavity region with equal thickness, the annular cavity region is the annular glue outlet hole, the mould for realizing the wall thickness of rubber extrusion pipeline free of debugging can form an annular glue outlet hole with equal thickness through the cooperation of the outer port mould and the inner port mould, so that the pipeline wall thickness is effectively ensured to be uniform, the operation is simple, the cooperation is convenient, the problem that the traditional inner layer and outer layer moulds need to be repeatedly adjusted up and down and left and right is effectively avoided, and the production efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a mould structure schematic diagram of the application.
[0023] Figure 2 It is Figure 1 the A partial enlarged view.
[0024] Figure 3 It is a half sectional view of the outer port mould.
[0025] Figure 4 It is a half sectional view of the inner port mould.
[0026] Figure 5 It is Figure 4 the right side view.
[0027] Figure 6 It is Figure 5 the B-B sectional view.
[0028] Figure 7 It is a half sectional view of the base.
[0029] Figure 8 It is Figure 7 the left side view.
[0030] Markings in the figure:
[0031] 1 - outer mouth mold, 11 - extrusion hole, 12 - glue injection cavity, 13 - shaft shoulder, 14 - annular baffle, 2 - inner mouth mold, 21 - core mold, 22 - core column, 23 - mounting ring, 24 - support framework, 241 - bevel, 242 - round edge, 25 - mounting column, 3 - base, 31 - joint groove, 32 - threaded column, 100 - annular groove, 200 - glue injection hole, 300 - runner, 400 - annular glue outlet hole. DETAILED DESCRIPTION
[0032] The utility model will be described in further detail below in combination with specific embodiments. However, this should not be understood as the scope of the above-mentioned subject matter of the utility model being limited to the following embodiments only, and any technology realized based on the content of the utility model falls within the scope of the utility model.
[0033] In the description of the embodiments of the utility model, the terms indicating the orientation or positional relationship of "up", "down", "left", "right", "center", "inner", "outer", etc. are expressed based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product / equipment / device of the utility model is usually used. These terms of orientation or positional relationship are only used to facilitate the description of the utility model scheme or simplify the description in the embodiments, so as to enable the skilled person to quickly understand the scheme, and therefore cannot be understood as indicating or implying that a specific device / component / element must have a specific orientation or be constructed and operated in a specific positional relationship, and therefore cannot be understood as limiting the utility model.
[0034] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel", etc. appear, it does not mean that the corresponding device / component / element must be absolutely horizontal or vertical or overhanging or parallel, but can be slightly inclined or have a deviation. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. Alternatively, it can be simplified to mean that the corresponding device / component / element is arranged in the direction of "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction, more preferably an error / deviation of ±8% or less, more preferably an error / deviation of ±6% or less, more preferably an error / deviation of ±5% or less, and more preferably an error / deviation of ±4% or less. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the utility model.
[0035] In addition, the terms "first", "second", "third", etc. appearing in the terms are only used to distinguish the description of the same or similar parts, and should not be understood as emphasizing or implying the relative importance of a specific part.
[0036] Further, in the description of the embodiments of the utility model, "several" "a plurality of" "several" represent at least 2. Can be 2, 3, 4, 5, 6, 7, 8, 9 etc. Any situation, it can even be more than 9 cases.
[0037] Further, in the description of the technical scheme of the utility model, unless otherwise explicitly specified / limited / limited, the term "set" "installation" "connected" "connected" "provided with" "laid" "arranged" should be understood broadly, for example, it can be fixedly connected, it can also be detachably connected, or integrally connected, it can be welding, riveting, bolting, screwing and other commonly used connecting means in the art. The connection can be mechanical connection, electrical connection or communication connection, can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements.
[0038] Embodiment 1
[0039] As shown in Figures 1-8 , a mold for realizing rubber extrusion pipeline wall thickness without debugging, comprising:
[0040] The outer mouth die 1 has a glue injection cavity 12 inside, an extrusion hole 11 is arranged at the head end of the glue injection cavity 12, and an annular groove 100 is arranged at the tail end of the glue injection cavity 12, and the center lines of the extrusion hole 11 and the annular groove 100 coincide, as Figure 3 ;
[0041] The inner mouth die 2 includes a core die 21, the outer wall of the core die 21 is circumferentially provided with a mounting ring 23, one end of the core die 21 away from the mounting ring 23 is provided with a core column 22, the center line of the mounting ring 23 is coincided with the core column 22, and the outer diameter of the mounting ring 23 is equal to the inner diameter of the annular groove 100, as Figure 4 、 Figure 5 ;
[0042] The outer mouth die 1 and the inner mouth die 2 are configured so that when the mounting ring 23 is assembled in the annular groove 100, the core die 21 is located in the glue injection cavity 12, the core column 22 is located in the extrusion hole 11, and the annular glue outlet hole 400 is formed between the core column 22 and the extrusion hole 11, as Figure 1 .
[0043] As shown in Figure 1As shown, the extrusion hole 11 of the outer mouth mold 1 coincides with the center line of the annular groove 100, and the core column 22 of the inner mouth mold 2 coincides with the center line of the mounting ring 23. When the outer mouth mold 1 and the inner mouth mold 2 are assembled, the mounting ring is installed in the annular groove, the core mold 21 is located in the injection cavity 12, the core column 22 is located in the extrusion hole 11, and an annular glue outlet hole 400 is formed between the core column 22 and the extrusion hole 11. Since the outer diameter of the mounting ring 23 is equal to the inner diameter of the annular groove 100, when the mounting ring 23 is assembled in the annular groove 100, the center lines of the mounting ring 23 and the annular groove 100 coincide with each other, so that the center lines of the core column 22 and the extrusion hole 11 coincide with each other, thereby forming an annular cavity area of equal thickness between the core column 22 and the extrusion hole 11. This annular cavity area is the annular glue outlet hole 400, as shown in FIG. Figure 2 The present application discloses a mold that realizes the wall thickness of the rubber extrusion pipe without adjustment. By cooperating with the outer mouth mold 1 and the inner mouth mold 2, a ring-shaped glue outlet hole 400 with equal thickness can be formed, thereby effectively ensuring the uniform wall thickness of the pipe. It is not only simple to operate and easy to cooperate, but also effectively avoids the problem of needing to repeatedly adjust the traditional inner and outer layer molds up and down and left and right, thereby greatly improving production efficiency.
[0044] In one or more embodiments, Figure 1 As shown, a flow channel 300 is formed between the outer wall of the core mold 21 and the inner wall of the injection cavity 12;
[0045] like Figure 4 、 Figure 5 As shown, there is a glue injection hole 200 between the mounting ring 23 and the core mold 21 , and the glue injection hole 200 is connected to the flow channel 300 .
[0046] Rubber is injected into the flow channel 300 between the core mold 21 and the injection cavity 12 through the injection hole 200 between the mounting ring 23 and the core mold 21 . The rubber is squeezed out from the annular glue outlet hole 400 through the flow channel 300 , thereby forming a rubber pipe with equal wall thickness.
[0047] In an optional embodiment, the injection holes 200 are arranged at intervals along the circumference of the core mold 21. By arranging the injection holes 200 at intervals along the circumference of the core mold 21, it is convenient to inject rubber into the flow channel 300 through multiple injection holes 200, thereby increasing the efficiency of rubber entering the flow channel 300.
[0048] In an optional embodiment, the number of the glue injection holes 200 is not less than three.
[0049] In an optional embodiment, if Figure 5 As shown, it also includes a support frame 24 , which is used to connect the mounting ring 23 and the core mold 21 , and glue injection holes 200 are formed between adjacent support frames 24 .
[0050] In the present application, the mounting ring 23 is annularly arranged above the outer wall of the core mold 21, that is, the mounting ring 23 is arranged outside the core mold 21, and there is an annular gap between the mounting ring 23 and the core mold 21;
[0051] The mounting ring 23 is connected to the core mold 21 by the support skeletons 24, and the injection holes 200 are formed between adjacent support skeletons 24, that is, the support skeletons 24 are arranged in the gap between the mounting ring 23 and the core mold 21, one end of the support skeleton 24 is connected to the mounting ring 23, the other end of the support skeleton 24 is connected to the core mold 21, the support skeleton 24 divides the annular gap between the mounting ring 23 and the core mold 21 into a plurality of injection holes 200, and the injection holes 200 are in communication with the flow channel 300.
[0052] In an optional embodiment, as shown in Figure 6 The upper part of the support skeleton 24 has a beveled edge 241, and the lower part of the support skeleton 24 has a round edge 242.
[0053] In an optional embodiment, the number of support skeletons 24 is three, and the included angle between adjacent support skeletons 24 is 120 degrees.
[0054] The upper part of the support skeleton 24 is guided by the beveled edge 241, which facilitates the distribution of rubber into the injection holes 200 on both sides, and the lower part of the support skeleton 24 is guided by the round edge 242, which avoids large friction with the rubber injected into the flow channel 300.
[0055] In one or more embodiments, as shown in Figure 3 The inner wall of the injection cavity 12 is conical.
[0056] Since the inner wall of the injection cavity 12 is conical, that is, the injection cavity 12 is a hollow cone, the first end of the injection cavity 12 is the small hole end of the hollow cone, the small hole end is in communication with the annular glue outlet hole 400, and the tail end of the injection cavity 12 is the large hole end of the hollow cone, and the large hole end is in communication with the injection hole 200;
[0057] The injection cavity 12 is arranged as a hollow cone, the rubber enters the large hole end from the injection hole 200, and then is extruded out of the annular glue outlet hole 400 through the small hole end, forming a rubber pipeline;
[0058] The extrusion hole 11 coincides with the center lines of the injection cavity 12 and the annular groove 100.
[0059] In an optional embodiment, as shown in Figure 4 The outer wall of the core mold 21 is conical.
[0060] Since the outer wall of the core mold 21 is conical, that is, the core mold 21 is in the shape of a cone, the flow channel 300 formed by the cooperation of the core mold 21 and the injection cavity 12 has a large end close to the injection hole 200 and a small end close to the annular glue outlet hole 400;
[0061] The center line of the core column 22 coincides with the center line of the core mold 21 and the mounting ring 23.
[0062] In an optional embodiment, the core mold 21 is further provided with a center hole arranged along the length direction of the core mold 21.
[0063] In one or more embodiments, as shown in Figure 3 The tail end of the glue injection cavity 12 is provided with a shaft shoulder 13, the shaft shoulder 13 is provided with an annular baffle 14, the shaft shoulder 13 and the annular baffle 14 form an annular groove 100, when the inner mouth mold 2 and the outer mouth mold cooperate, the mounting ring 23 is assembled in the annular groove 100, at this time, the side surface of the mounting ring 23 abuts against the shaft shoulder 13, and the annular side wall of the mounting ring 23 abuts against the inner wall of the annular baffle 14.
[0064] Embodiment 2
[0065] On the basis of embodiment 1, as shown in Figure 7 、 Figure 8 The mold for realizing the wall thickness of the rubber extrusion pipeline without debugging provided by the application further comprises a base 3, one end of the base 3 is provided with a joint groove 31, the other end of the base 3 is provided with a threaded column 32, the threaded column 32 is used for connecting with the equipment base;
[0066] The end of the core mold 21 close to the mounting ring 23 is provided with a mounting column 25, the mounting column 25 is used for mounting in the joint groove 31.
[0067] As shown in Figure 1 The base 3 is connected with the equipment base through the threaded column 32, then the mounting column 25 of the inner mouth mold 2 is inserted into the joint groove 31 of the base 3, then the outer mouth mold 1 is sleeved on the inner mouth mold 2, and the annular groove 100 of the outer mouth mold 1 is assembled with the mounting ring 23 on the inner mouth mold 2, so that the mold for realizing the wall thickness of the rubber extrusion pipeline without debugging is mounted on the equipment base, so as to carry out the production of the rubber pipeline subsequently.
[0068] The above only describes the preferred embodiments of the application and is not used to limit the application, any modification, equivalent replacement and improvement made within the spirit and principle of the application should be included in the protection scope of the application.
Claims
1. A mold for achieving wall thickness adjustment-free rubber extrusion pipe, characterized in that: include: An outer-mouth mold (1), wherein the outer-mouth mold (1) has a glue injection cavity (12) therein, an extrusion hole (11) is provided at the head end of the glue injection cavity (12), an annular groove (100) is provided at the tail end of the glue injection cavity (12), and the center lines of the extrusion hole (11) and the annular groove (100) coincide with each other; An inner-mouth mold (2), the inner-mouth mold (2) comprising a core mold (21), a mounting ring (23) being provided circumferentially above the outer wall of the core mold (21), a core column (22) being provided at one end of the core mold (21) away from the mounting ring (23), the core column (22) coinciding with the center line of the mounting ring (23), and the outer diameter of the mounting ring (23) being equal to the inner diameter of the annular groove (100); The outer-mouth mold (1) and the inner-mouth mold (2) are configured such that when the mounting ring (23) is assembled in the annular groove (100), the core mold (21) is located in the glue injection cavity (12), the core column (22) is located in the extrusion hole (11), and an annular glue outlet hole (400) is formed between the core column (22) and the extrusion hole (11).
2. A mold for realizing wall thickness adjustment-free rubber extrusion pipeline according to claim 1, characterized in that: A flow channel (300) is formed between the outer wall of the core mold (21) and the inner wall of the glue injection cavity (12); A glue injection hole (200) is provided between the mounting ring (23) and the core mold (21), and the glue injection hole (200) is communicated with the flow channel (300).
3. A mold for realizing wall thickness adjustment-free rubber extrusion pipeline according to claim 2, characterized in that: The glue injection holes (200) are arranged at intervals along the circumference of the core mold (21).
4. A mold for realizing wall thickness adjustment-free rubber extrusion pipeline according to claim 3, characterized in that: The number of the glue injection holes (200) is no less than three.
5. The mold for realizing wall thickness adjustment-free rubber extrusion pipeline according to claim 2, characterized in that: It also includes a support frame (24), the support frame (24) is used to connect the mounting ring (23) and the core mold (21), and the glue injection holes (200) are formed between adjacent support frames (24).
6. A mold for realizing wall thickness adjustment-free rubber extrusion pipeline according to claim 5, characterized in that: The upper portion of the support frame (24) has a beveled edge (241), and the lower portion of the support frame (24) has a rounded edge (242).
7. The mold for realizing wall thickness adjustment-free rubber extrusion pipeline according to claim 2, characterized in that: The inner wall of the glue injection cavity (12) is conical.
8. The mold for realizing wall thickness adjustment-free rubber extrusion pipeline according to claim 7, characterized in that: The outer wall of the core mold (21) is conical.
9. A mold for realizing wall thickness adjustment-free rubber extrusion pipe according to any one of claims 1 to 8, characterized in that: It also includes a base (3), one end of the base (3) is provided with a joint groove (31), and the other end of the base (3) is provided with a threaded column (32), and the threaded column (32) is used to connect with the device base; An installation column (25) is provided at one end of the core mold (21) close to the installation ring (23), and the installation column (25) is used to be installed in the joint groove (31).