Air spring leather bag processing die

Abstract

The utility model discloses an air spring leather bag processing die which comprises a middle die and an inner bag arranged in the middle die, the middle die is arranged between an upper die and a lower die, the inner bag is provided with a closed end and an open end, the outer side of the open end of the inner bag is provided with a clamping protrusion extending outwards in the radial direction of the inner bag, and the outer side of the clamping protrusion extends outwards in the radial direction of the inner bag. The middle mold is mounted on the lower mold, and the closed end of the inner bag is mounted on the lower mold; the upper die comprises a lower supporting plate and an upper abutting plate, the lower supporting plate is installed on the middle die, the upper abutting plate is installed above the lower die plate and makes contact with the inner bag, and the upper abutting plate is detachably installed on the lower supporting plate. In the process of replacing the inner bag, only the upper abutting plate needs to be detached, the lower supporting plate makes contact with the middle mold under the self-gravity effect, and then the inner bag is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field related to elastic component processing molds, in particular to an air spring bladder processing mold. Background Art

[0002] Air spring bellows are generally vulcanized using the inner bellows method. The specific mold diagram is as follows Figure 1 As shown, it includes a lower mold 3, a middle mold 2 is provided on the lower mold 3, an inner capsule 4 is provided inside the middle mold 2, one side of the inner capsule is an open end, and a clamping protrusion is provided on the outer side of the open end along its radial direction, and the clamping protrusion is connected to the lower mold 3, and an upper mold 1 is provided on the middle mold 2. During the processing, the bladder is vulcanized by heating with steam in the middle mold 2. The material of the inner capsule 4 is made of butyl rubber, and the production of 50 to 100 bladder skins can be achieved. However, after the inner capsule 4 is damaged, it is very difficult to change the inner capsule 4, and it takes a long time to change the inner capsule 4. Since the mold is in a hot state and the cavity is exposed to the air for a long time, it needs to be heated again, resulting in an increase in the production cycle time. Utility Model Content

[0003] In order to solve the technical problems existing in the background technology, the utility model provides an air spring bladder processing mold.

[0004] The utility model provides an air spring bladder processing mold, comprising a middle mold and an inner bladder arranged in the middle mold, wherein the middle mold is arranged between an upper mold and a lower mold, the inner bladder has a closed end and an open end, the outer side of the open end of the inner bladder has a clamping protrusion extending radially outward, the middle mold is installed on the lower mold, and the closed end of the inner bladder is installed on the lower mold;

[0005] The upper mold includes a lower support plate and an upper abutment plate, wherein the lower support plate is mounted on the middle mold, the upper abutment plate is mounted above the lower mold plate and contacts the inner capsule, and the upper abutment plate is detachably mounted on the lower support plate. During the process of replacing the inner capsule, only the upper abutment plate needs to be removed, and the lower support plate contacts the middle mold under its own gravity, thereby facilitating the replacement of the inner capsule.

[0006] Preferably, the upper end surface of the locking protrusion is higher than the upper end surface of the inner capsule.

[0007] Preferably, the upper abutment plate has a portion in contact with the upper end surface of the inner bag, and the upper abutment plate also has a portion in contact with the upper end surface of the clamping protrusion.

[0008] Preferably, the upper abutment plate has a portion in contact with the inner wall of the inner bag.

[0009] The lower support plate has a portion that contacts and abuts against the clamping protrusion.

[0010] Preferably, the lower support plate has a portion in contact with an outer side wall of the locking protrusion.

[0011] Preferably, an upper mounting groove is formed on the upper contact plate, and a lower mounting groove is formed on the lower support plate. The upper mounting groove and the lower mounting groove form a sliding groove, and a sliding member is provided in the sliding groove. The upper contact plate is limited with the lower support plate through the sliding member.

[0012] Preferably, there is a machining gap between the upper abutment plate and the lower support plate.

[0013] Preferably, the sliding member includes a middle connection, an upper limit portion located above the middle connection, and a lower limit portion located below the middle connection. The width of the middle connection is smaller than the widths of the upper limit portion and the lower limit portion. The upper limit portion and the middle connection form a lower step surface, and the lower limit portion and the middle connection form an upper step surface. The lower step surface contacts the lower support plate, and the upper step surface contacts the upper contact plate. Preferably, there is an installation spacing from the top of the mounting groove to the bottom of the sliding member.

[0014] Optionally, the sliding member is an "I"-shaped structure. Of course, those skilled in the art may adopt other structures having an upper stepped surface, a lower stepped surface, and a middle connection with a width smaller than the width of the upper limit portion and the lower limit portion.

[0015] Preferably, a positioning groove is formed on the lower mold, and the middle mold is located in the positioning groove.

[0016] In the utility model, the proposed air spring bladder processing mold inverts the inner bladder and facilitates the replacement of the inner bladder through the structure of the upper contact plate and the lower support plate, thereby reducing bumps, greatly shortening the time for replacing the inner bladder and improving production efficiency.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of a mold in the prior art;

[0019] Figure 2 It is a schematic diagram of the structure of the utility model;

[0020] Figure 3 This is a partial enlarged view of area A of the utility model;

[0021] In the figure: 1. upper mold; 10. lower support plate; 100. lower support groove; 101. lower mounting groove; 11. upper contact plate; 110. upper support groove; 111. upper mounting groove; 112. snap-fit ​​groove; 2. middle mold; 3. lower mold; 30. positioning groove; 4. inner capsule; 40. snap-fit ​​protrusion; 5. sliding part; 50. middle connection; 51. upper limit part; 52. lower limit part; 6. fixing part. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] like Figure 1-Figure 3 The air spring bladder processing mold shown in the figure includes a middle mold 2 and an inner bladder 4 arranged in the middle mold 2. The middle mold 2 is arranged between the upper mold 1 and the lower mold 3. The inner bladder 4 has a closed end and an open end. The outer side of the open end of the inner bladder 4 has a clamping protrusion 40 extending radially outward. The clamping protrusion 40 is annular. The middle mold 2 is installed on the lower mold 3. Specifically, the middle mold 2 is detachably installed on the lower mold 3. In order to facilitate the positioning of the middle mold 2, a positioning groove 30 is opened on the lower mold 3. The lower side of the middle mold 2 is located in the positioning groove 30. The closed end of the inner bladder 4 is installed on the lower mold 3.

[0024] The upper mold 1 includes a lower support plate 10 and an upper contact plate 11. The lower support plate 10 is installed on the middle mold 2, and the upper contact plate 11 is installed above the lower mold 3 and in contact with the inner capsule 4. The upper contact plate 11 is detachably installed on the lower support plate 10. When the inner capsule 4 needs to be removed, it is only necessary to remove the upper contact plate 11 and then lower the inner capsule 4 under the action of external force to take it out and replace it. In this process, bumps are reduced, the time for replacing the inner capsule 4 is greatly shortened, and production efficiency is improved.

[0025] In order to further facilitate the replacement and removal of the inner capsule 4 , preferably, the upper end surface of the clamping protrusion 40 is higher than the height of the upper end surface of the inner capsule 4 , so that the lower support plate 10 and the upper contact plate 11 fix the clamping protrusion 40 more firmly.

[0026] Preferably, the upper abutment plate 11 has a portion in contact with the upper end surface of the inner capsule 4, and preferably, the upper abutment plate 11 has a portion in contact with the inner side wall of the inner capsule 4. The upper abutment plate 11 also has a portion in contact with the upper end surface of the clamping protrusion 40, that is, an upper support groove 110 is formed on the lower surface of the upper abutment plate 11, and the upper end portion of the clamping protrusion 40 is located in the upper support groove 110, which facilitates the removal of the inner capsule 4 while facilitating the positioning of the inner capsule 4.

[0027] In some embodiments, preferably, the lower support plate 10 has a portion that contacts and interferes with the snap-fit ​​protrusion 40. Further preferably, the lower support plate 10 has a portion that contacts the outer wall of the snap-fit ​​protrusion 40, that is, a lower support groove 100 is opened on the lower support plate 10, and the lower support groove 100 is used to accommodate the lower end portion of the snap-fit ​​protrusion 40, thereby further facilitating the removal of the inner capsule 4 on the basis of locating the inner capsule 4.

[0028] In order to facilitate the removal of the upper contact plate 11, preferably, an upper mounting groove 111 is opened on the lower surface of the upper contact plate 11, and a lower mounting groove 101 is opened on the upper surface of the lower support plate 10. The upper mounting groove 111 and the lower mounting groove 101 form a sliding groove, and a sliding member 5 is provided in the sliding groove. The sliding member 5 can slide horizontally in the sliding groove. The upper contact plate 11 is limited with the lower support plate 10 by the sliding member 5. During the removal of the upper contact plate 11, it can be achieved only by pulling out the sliding member 5.

[0029] In order to better improve work efficiency and processing quality, preferably, there is a processing gap between the upper contact plate 11 and the lower support plate 10, specifically, the gap is about 2-3mm, so as to facilitate the gap between the upper surface of the sliding member 5 and the upper top surface of the upper mounting groove 111 to be controlled within 0.1mm. During use, the clamping protrusion 40 supports the upper contact plate 11, and then the sliding member 5 is placed on to limit the upper contact plate 11.

[0030] Preferably, a clamping groove 112 is formed on the bottom surface of the lower support plate 10 , and the middle mold 2 is clamped in the clamping groove 112 .

[0031] Preferably, the sliding member 5 is an "I"-shaped structure, including a middle connection 50, an upper limit portion 51 located above the middle connection 50, and a lower limit portion 52 located below the middle connection 50. The upper limit portion 51 and the middle connection 50 form a lower step surface, and the lower limit portion 52 and the middle connection 50 form an upper step surface. The lower step surface contacts the lower support plate 10, and the upper step surface contacts the upper contact plate 11. The sliding groove is also an "I"-shaped structure. A threaded hole is provided on one side of the sliding member 5, and the lower mold 3 is placed on a frame (not shown in the figure), or an extension plate (not shown in the figure) extending upward is provided on the lower support plate 10. The extension plate or the frame is positioned by screws, bolts or other fixings 6 to thereby achieve positioning of the upper sliding member 5. When the sliding member 5 needs to be moved, the fixings 6 are disassembled to achieve movement of the sliding member 5.

[0032] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An air spring bladder processing mold, comprising a middle mold (2) and an inner bladder (4) arranged in the middle mold (2), wherein the middle mold (2) is arranged between an upper mold (1) and a lower mold (3), the inner bladder (4) has a closed end and an open end, and the outer side of the open end of the inner bladder (4) has a clamping protrusion (40) extending radially outward, characterized in that: The middle mold (2) is mounted on the lower mold (3), and the closed end of the inner capsule (4) is mounted on the lower mold (3); The upper mold (1) comprises a lower support plate (10) and an upper contact plate (11); the lower support plate (10) is mounted on the middle mold (2); the upper contact plate (11) is mounted above the lower mold (3) plate and the upper contact plate (11) is in contact with the inner capsule (4); the upper contact plate (11) is detachably mounted on the lower support plate (10).

2. The air spring bladder processing mold according to claim 1, characterized in that: The upper end surface of the locking protrusion (40) is higher than the upper end surface of the inner capsule (4).

3. The air spring bladder processing mold according to claim 2, characterized in that: The upper abutment plate (11) has a portion in contact with the upper end surface of the inner bag (4), and the upper abutment plate (11) also has a portion in contact with the upper end surface of the clamping protrusion (40).

4. The air spring bladder processing mold according to claim 2, characterized in that: The upper contact plate (11) has a portion in contact with the inner wall of the inner bag (4).

5. The air spring bladder processing mold according to any one of claims 2 to 4, characterized in that: The lower support plate (10) has a portion that contacts and abuts against the clamping protrusion (40).

6. The air spring bladder processing mold according to claim 5, characterized in that: The lower support plate (10) has a portion in contact with the outer side wall of the clamping protrusion (40).

7. The air spring bladder processing mold according to claim 1, characterized in that: The upper contact plate (11) is provided with an upper mounting groove (111), and the lower support plate (10) is provided with a lower mounting groove (101); the upper mounting groove (111) and the lower mounting groove (101) form a sliding groove, and a sliding member (5) is provided in the sliding groove. The upper contact plate (11) is limited with the lower support plate (10) by the sliding member (5).

8. The air spring bladder processing mold according to claim 7, characterized in that: A machining gap is provided between the upper abutment plate (11) and the lower support plate (10).

9. The air spring bladder processing mold according to claim 8, characterized in that: The sliding member (5) comprises a middle connection (50), an upper limit portion (51) located above the middle connection (50), and a lower limit portion (52) located below the middle connection (50); the width of the middle connection (50) is smaller than the widths of the upper limit portion (51) and the lower limit portion (52); the upper limit portion (51) and the middle connection (50) form a lower stepped surface; the lower limit portion (52) and the middle connection (50) form an upper stepped surface; the lower stepped surface contacts the lower support plate (10), and the upper stepped surface contacts the upper contact plate (11).

10. The air spring bladder processing mold according to claim 1, characterized in that: A positioning groove (30) is formed on the lower mold (3), and the middle mold (2) is located in the positioning groove (30).

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