CN220129579U - Clamping groove type inner tube sleeve mold - Google Patents
Clamping groove type inner tube sleeve mold Download PDFInfo
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- CN220129579U CN220129579U CN202321580104.5U CN202321580104U CN220129579U CN 220129579 U CN220129579 U CN 220129579U CN 202321580104 U CN202321580104 U CN 202321580104U CN 220129579 U CN220129579 U CN 220129579U
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- annular groove
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000007547 defect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a clamping groove type inner tube sleeve mold, which comprises an upper mold cover and a lower mold; the lower die comprises a lower annular cavity, the upper die cover comprises an upper annular cavity wall, the upper die cover is detachably connected to the lower die in a covering mode, and the upper annular cavity wall is connected to an upper side opening of the lower annular cavity in a covering mode to form an inner tube forming cavity; the lower die comprises an inner annular wall, and the radial outer side of the upper end of the inner annular wall comprises an abutting bottom wall and an abutting straight wall; the abutting straight wall is provided with an annular groove along the circumferential direction, the upper end face of the inner annular wall comprises a clamping notch extending along the axial direction, and the clamping notch is connected with the annular groove; the outer peripheral wall of the upper die cover comprises a clamping block, the clamping block is configured to enter the annular groove from the clamping notch, and the upper die cover is configured to rotate a certain angle to enable the clamping block to be embedded into the annular groove. By the technical scheme, the clamping groove type inner tube sleeve mold which is stable, does not shake, does not have a mold clamping gap and is convenient to install can be provided.
Description
Technical Field
The utility model relates to a clamping groove type inner tube sleeve mold.
Background
The traditional inner tube forming sleeve mold is divided into an upper mold cover and a lower mold. The upper die cover and the lower die are manually clamped. The green tire is required to be put on the lower mold before the mold is closed, and then the upper mold cover and the lower mold are closed. In the prior art, the upper die cover and the lower die are connected in a connecting mode, the lower die comprises a lower die cavity, the upper die cover comprises an upper die cavity wall, the upper die cover is detachably connected to the lower die in a covering mode, and the upper die cavity wall is connected to an upper side opening of the lower die cavity to form an inner tube forming die cavity. The upper end of the inner annular wall of the lower die is provided with an embedded annular groove, the upper die cover is embedded into the embedded annular groove, the upper end of the inner annular wall comprises a threaded hole, the upper die cover comprises a pin hole, after the upper die cover is covered on the lower die, a bolt penetrates through the threaded hole of the inner annular wall to be connected with the pin hole of the upper die cover, and the tail end of the bolt is connected with a pin. Under the connection mode, the upper die cover is rotated after the upper die cover is covered, so that the threaded holes and the pin holes are aligned, and the threaded holes and the pin holes are not easy to align. Secondly, be the point contact cooperation between pin and the pinhole, easily rock when last mould lid covers to stress concentration, the pin is flexible, and it is easy to produce wearing and tearing to go up the mould lid, leads to buckling inadequately, easily causes straight fold bad when inflating the shaping. Moreover, when the inner tube is formed by inflating the inner tube forming cavity, a die clamping gap is formed between the upper die cover and the lower die due to the reaction force of the green tube, the upper die cover is not sufficiently pressed, the matching degree difference between the forming shape and the die cavity is large, and the die clamping gap has the risk of causing clamping damage of the green tube, so that the straight wrinkles are easy to form.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a clamping groove type inner tube sleeve mold.
In order to solve the technical problems, the utility model provides a clamping groove type inner tube sleeve mold, which comprises an upper mold cover and a lower mold; the lower die comprises a lower annular cavity, the upper die cover comprises an upper annular cavity wall, the upper die cover is detachably connected to the lower die in a covering mode, and the upper annular cavity wall is connected to an upper side opening of the lower annular cavity in a covering mode to form an inner tube forming cavity;
the lower die comprises an inner annular wall, and the radial outer side of the upper end of the inner annular wall comprises an abutting bottom wall and an abutting straight wall;
the abutting straight wall is provided with an annular groove along the circumferential direction, the upper end face of the inner annular wall comprises a clamping notch extending along the axial direction, and the clamping notch is connected with the annular groove;
the periphery wall of the upper die cover comprises a clamping block, the clamping block is configured to enter the annular groove from the clamping notch, the upper die cover is configured to rotate by a certain angle to enable the clamping block to be embedded into the annular groove, the upper end face of the clamping block is in surface contact with the upper end face of the annular groove, the lower end face of the clamping block is in surface contact with the lower end face of the annular groove, the bottom wall of the upper die cover is in surface contact with the abutting bottom wall, and the side wall of the upper die cover is in surface contact with the abutting straight wall.
In a more preferred embodiment, the snap blocks extend a distance in the circumferential direction.
In a more preferred embodiment, the radially inner side of the clamping block comprises an arc surface.
In a more preferred embodiment, the lower end surface of the clamping block is flush with the bottom wall of the upper die cover.
In a more preferred embodiment, the peripheral wall of the upper mold cover comprises two clamping blocks, and the two clamping blocks are arranged at 180-degree intervals along the circumferential direction; the inner annular wall comprises two clamping notches, and the two clamping notches are arranged at 180-degree intervals along the circumferential direction.
In a more preferred embodiment, the angle between the abutting bottom wall and the abutting straight wall is greater than 90 degrees.
In a more preferred embodiment, the annular groove is disposed along a circumferential extension of 360 degrees.
In a further preferred embodiment, the lower end face of the annular groove is flush with the abutment bottom wall.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
the clamping block is in contact with the clamping groove, so that the upper die cover is compact and stable and does not shake, a die clamping gap is avoided, the risks of insufficient shaping degree and gap clamping of the tire are avoided, and the defect of straight wrinkles is overcome.
The threaded holes and the pin holes are not required to be aligned, and the installation is convenient.
Drawings
FIG. 1 is a schematic cross-sectional view of a card slot type inner tube sleeve mold in accordance with a preferred embodiment of the present utility model;
FIG. 2 is a partial view of FIG. 1;
FIG. 3 is a top view of a lower die in a preferred embodiment of the utility model;
FIG. 4 is a schematic view showing the connection of the upper die cover and the lower die in the preferred embodiment of the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," configured to, "" engaged with, "" connected to, "and the like are to be construed broadly, and may be, for example," connected to, "wall-mounted," connected to, removably connected to, or integrally connected to, mechanically connected to, electrically connected to, directly connected to, or indirectly connected to, through an intermediary, and may be in communication with each other between two elements, as will be apparent to those of ordinary skill in the art, in view of the detailed description of the terms herein.
Firstly, defining the azimuth of a clamping groove type inner tube sleeve mold: C.L. represents the central axis of the inner tube sleeve mold; near the central axis represents the inner side, far away from the central axis represents the outer side; the horizontal direction is the radial direction of the inner tube sleeve mold, the vertical direction is the axial direction of the inner tube sleeve mold, and the direction vertical to the paper surface is the circumferential direction of the inner tube sleeve mold.
Referring to fig. 1-4, a clamping groove type inner tube sleeve mold comprises an upper mold cover 1 and a lower mold 2.
The lower die 2 is in an annular structure, the lower die 2 comprises an inner annular wall 21, an outer annular wall 22 and a connecting bottom wall 23, the connecting bottom wall 23 is connected with the lower end of the inner annular wall 21 and the lower end of the outer annular wall 22, and a lower annular cavity 24 is formed among the inner annular wall 21, the outer annular wall 22 and the connecting bottom wall 23.
The upper die cover 1 is of an annular structure. The upper die cover 1 comprises an upper annular cavity wall 11, the upper die cover 1 is detachably connected to the lower die 2, and the upper annular cavity wall 11 is connected to the upper side opening of the lower annular cavity 24 in a covering manner to form an inner tube forming cavity. The inner tube forming cavity can be used for placing an inner tube green tube and inflating and forming the inner tube green tube.
Radially outward of the upper end of the inner annular wall 21 includes an abutment bottom wall 211 and an abutment straight wall 212. The abutting bottom wall 211 is horizontally arranged, and an included angle between the abutting straight wall 212 and the abutting bottom wall 211 is larger than 90 degrees. The abutment wall 212 is provided with an annular groove 213 extending in the circumferential direction, and the upper end surface of the inner annular wall 21 includes a clamping notch 214 extending in the axial direction, and the clamping notch 214 is connected with the annular groove 213. The outer peripheral wall of the upper die cover 1 comprises a clamping block 12, the clamping block 12 is configured to enter the annular groove 213 from the clamping notch 214, the upper die cover 1 is configured to rotate a certain angle to enable the clamping block 12 to be embedded into the annular groove 213, the upper end face of the clamping block 12 is in surface-to-surface contact with the upper end face of the annular groove 213, the lower end face of the clamping block 12 is in surface-to-surface contact with the lower end face of the annular groove 213, the bottom wall of the upper die cover 1 is in surface-to-surface contact with the abutting bottom wall 211, and the side wall of the upper die cover 1 is in surface-to-surface contact with the abutting bottom wall 212.
The clamping block 12 is configured to enter the annular groove 213 from the clamping notch 214, and the upper die cover 1 is configured to rotate a certain angle so that the clamping block 12 is embedded into the annular groove 213. During installation, hole alignment is not required between the upper die cover 1 and the lower die 2, and only the clamping block 12 of the upper die cover 1 is required to be installed corresponding to the clamping notch 214, and then the upper die cover 1 is rotated, so that the clamping block 12 of the upper die cover 1 enters the annular groove 213, and the clamping block 12 of the upper die cover 1 at the moment is limited by the upper end face and the lower end face of the annular groove 213, because the upper die cover 1 cannot move along the axial direction.
The upper end surface of the clamping block 12 is in surface-to-surface contact with the upper end surface of the annular groove 213, the lower end surface of the clamping block 12 is in surface-to-surface contact with the lower end surface of the annular groove 213, the bottom wall of the upper die cover 1 is in surface-to-surface contact with the abutment bottom wall 211, and the side wall of the upper die cover 1 is in surface-to-surface contact with the abutment straight wall 212. The surface-to-surface contact is adopted between the contact surfaces, when the green tire in the inner tire forming cavity is inflated and formed, the upper mold cover 1 is subjected to upward thrust, the surface-to-surface contact can enable the upper mold cover 1 to be compact and stable and not shake, a mold clamping gap is avoided, the risks of insufficient shaping degree and gap clamping are avoided, and accordingly the defect of straight wrinkles is improved.
In this embodiment, the clamping block 12 extends along the circumferential direction for a distance, which can increase the contact area between the clamping block 12 and the annular groove 213, so that the connection is more stable.
In this embodiment, the radially inner side of the clamping block 12 includes an arc surface 13, and the arc surface 13 can prevent a sharp collision with the annular groove 213, which leads to damage to the mold.
In this embodiment, the lower end surface of the clamping block 12 is flush with the bottom wall of the upper mold cover 1, and the lower end surface of the annular groove 213 is flush with the abutting bottom wall 211. The processing is convenient, and the positioning is more accurate and reliable.
In this embodiment, the outer peripheral wall of the upper mold cover 1 includes two clamping blocks 12, and the two clamping blocks 12 are disposed at 180 ° intervals along the circumferential direction. The inner annular wall 21 includes two of the snap notches 214, and the two snap notches 214 are disposed at 180-degree intervals along the circumferential direction. This configuration can make the connection more stable.
In this embodiment, the annular groove 213 extends 360 degrees along the circumferential direction, which is convenient for machining.
In use, a green tyre is placed in the lower annular cavity 24, and then the clamping blocks 12 of the upper die cover 1 are installed in alignment with the clamping notches 214 until the clamping blocks 12 correspond to the annular grooves 213. Subsequently, the upper die cover 1 is rotated so that the clamping block 12 extends into the annular groove 213, and the die assembly of the upper die cover 1 and the lower die 2 can be completed.
The foregoing is only a preferred embodiment of the present utility model, but the design concept of the present utility model is not limited thereto, and any person skilled in the art will be able to make insubstantial modifications of the present utility model within the scope of the present utility model disclosed herein by this concept, which falls within the actions of invading the protection scope of the present utility model.
Claims (8)
1. The clamping groove type inner tube sleeve mold is characterized by comprising an upper mold cover and a lower mold; the lower die comprises a lower annular cavity, the upper die cover comprises an upper annular cavity wall, the upper die cover is detachably connected to the lower die in a covering mode, and the upper annular cavity wall is connected to an upper side opening of the lower annular cavity in a covering mode to form an inner tube forming cavity;
the lower die comprises an inner annular wall, and the radial outer side of the upper end of the inner annular wall comprises an abutting bottom wall and an abutting straight wall;
the abutting straight wall is provided with an annular groove along the circumferential direction, the upper end face of the inner annular wall comprises a clamping notch extending along the axial direction, and the clamping notch is connected with the annular groove;
the periphery wall of the upper die cover comprises a clamping block, the clamping block is configured to enter the annular groove from the clamping notch, the upper die cover is configured to rotate by a certain angle to enable the clamping block to be embedded into the annular groove, the upper end face of the clamping block is in surface contact with the upper end face of the annular groove, the lower end face of the clamping block is in surface contact with the lower end face of the annular groove, the bottom wall of the upper die cover is in surface contact with the abutting bottom wall, and the side wall of the upper die cover is in surface contact with the abutting straight wall.
2. A cartridge tube sleeve mold as defined in claim 1, wherein: the clamping block extends along the circumferential direction for a certain distance.
3. A cartridge tube sleeve mold as defined in claim 1, wherein: the radial inner side of the clamping block comprises an arc surface.
4. A cartridge tube sleeve mold as defined in claim 1, wherein: the lower end face of the clamping block is flush with the bottom wall of the upper die cover.
5. A cartridge tube sleeve mold as defined in claim 1, wherein: the outer peripheral wall of the upper die cover comprises two clamping blocks, and the two clamping blocks are arranged at 180-degree intervals along the circumferential direction; the inner annular wall comprises two clamping notches, and the two clamping notches are arranged at 180-degree intervals along the circumferential direction.
6. A cartridge tube sleeve mold as defined in claim 1, wherein: the angle between the abutment bottom wall and the abutment straight wall is greater than 90 degrees.
7. A cartridge tube sleeve mold as defined in claim 1, wherein: the annular groove extends 360 degrees in the circumferential direction.
8. A cartridge tube sleeve mold as defined in claim 1, wherein: the lower end face of the annular groove is flush with the abutting bottom wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321580104.5U CN220129579U (en) | 2023-06-20 | 2023-06-20 | Clamping groove type inner tube sleeve mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321580104.5U CN220129579U (en) | 2023-06-20 | 2023-06-20 | Clamping groove type inner tube sleeve mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220129579U true CN220129579U (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321580104.5U Active CN220129579U (en) | 2023-06-20 | 2023-06-20 | Clamping groove type inner tube sleeve mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220129579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118111619A (en) * | 2024-04-24 | 2024-05-31 | 昆山灵科传感技术有限公司 | Pressure sensor and manufacturing method thereof |
-
2023
- 2023-06-20 CN CN202321580104.5U patent/CN220129579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118111619A (en) * | 2024-04-24 | 2024-05-31 | 昆山灵科传感技术有限公司 | Pressure sensor and manufacturing method thereof |
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