Tire mold

Abstract

The utility model provides a tire mold. The tire mold includes: a first side mold assembly; the first side mold assembly and the second side mold assembly are oppositely arranged, and the first side mold assembly can move in the direction close to or away from the second side mold assembly and is provided with a first mold closing position and a first demolding position; the pattern block assembly is arranged between the first side mold assembly and the second side mold assembly, a vulcanization space is defined by the pattern block assembly, the first side mold assembly and the second side mold assembly, at least one part of the pattern block assembly is connected with the first side mold assembly, and at least the other part of the pattern block assembly is connected with the second side mold assembly; the pattern block assembly is provided with a second mold closing position and a second demolding position; when the first side mold assembly moves from the first mold closing position to the first demolding position, the pattern block assembly moves from the second mold closing position to the second demolding position. The tire mold solves the problem of poor use performance of the tire mold in the prior art.

Description

Technical Field

[0001] The utility model relates to the field of tire production equipment, in particular to a tire mold. Background Art

[0002] Tire molds are mainly divided into two categories according to their structural forms: flexible molds and two-half molds. The traditional two-half mold consists of an upper mold and a lower mold. The operating principle is that the lower mold of the two-half mold is fixedly connected to the lower plate of the vulcanizer, and the upper mold is fixedly connected to the upper plate of the vulcanizer. The lifting of the upper plate of the vulcanizer drives the lifting of the upper mold. After the tire is vulcanized, the upper mold is lifted to force the tire to separate from the mold.

[0003] After the tire is vulcanized, the mold structure that forms the tire pattern is embedded in the tire. The traditional two-half mold can only separate the tire and the mold by relative axial movement. At this time, the structure of the mold embedded in the tire will generate a large shear force on the tire when it is removed from the tire. It may damage or tear the tire ribs at the moment of removal, affecting the tire molding quality and making it difficult to remove the tire.

[0004] Therefore, there is a problem of poor performance of the tire mold in the prior art. Utility Model Content

[0005] The main purpose of the utility model is to provide a tire mold to solve the problem of poor performance of the tire mold in the prior art.

[0006] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a tire mold is provided, comprising: a first side mold assembly; a second side mold assembly, the first side mold assembly and the second side mold assembly are arranged opposite to each other, the first side mold assembly can move in a direction close to or away from the second side mold assembly and has a first mold closing position and a first mold demolding position; a tread block assembly, the tread block assembly is arranged between the first side mold assembly and the second side mold assembly and forms a vulcanization space with the first side mold assembly and the second side mold assembly, at least a part of the tread block assembly is connected to the first side mold assembly, at least another part of the tread block assembly is connected to the second side mold assembly, and the tread block assembly has a second mold closing position and a second mold demolding position; when the first side mold assembly moves from the first mold closing position to the first mold demolding position, the tread block assembly moves from the second mold closing position to the second mold demolding position.

[0007] Furthermore, the movement direction of the pattern block assembly has an angle greater than 0 degree with the horizontal direction and the vertical direction respectively.

[0008] Furthermore, the tread block assembly includes: a plurality of first tread blocks, which are respectively connected to the first side mold assembly; a plurality of second tread blocks, which are respectively connected to the second side mold assembly, the number of the first tread blocks and the number of the second tread blocks are the same and correspond one to one, and the plurality of first tread blocks and the plurality of second tread blocks are relatively arranged and form a ring.

[0009] Furthermore, the tread block assembly also includes a plurality of guide members, and different first tread blocks and different second tread blocks are respectively connected to the first side mold assembly or the second side mold assembly via at least one different guide member and move along the length direction of the corresponding guide member.

[0010] Furthermore, the guide member includes a guide rod, and the first pattern block and the second pattern block are respectively provided with guide grooves corresponding to the guide rods, one end of the guide rod is connected to the first side mold assembly or the second side mold assembly, and the other end of the guide rod extends into the corresponding guide groove of the first pattern block or the guide groove of the second pattern block.

[0011] Furthermore, the tread block assembly also includes a plurality of reset members, and at least one reset member is respectively sleeved on each guide member, one end of the reset member abuts against the first side mold assembly or the second side mold assembly, and the other end of the reset member abuts against the first tread block or the second tread block to provide a reset force for the first tread block or the second tread block to move from the second mold closing position toward the second demolding position.

[0012] Furthermore, the pattern block assembly also includes at least two limiting members, and at least one first pattern block among the plurality of first pattern blocks and at least one second pattern block among the plurality of second pattern blocks are respectively provided with limiting protrusions cooperating with the limiting members, and when the pattern block assembly is in the second demolding position, the limiting member abuts against the limiting protrusions.

[0013] Furthermore, a limiter is arranged on a side of the first side mold assembly facing the first pattern block or a side of the second side mold assembly facing the second pattern block, and the limiter has a guide protrusion on the side facing the first pattern block or the side facing the second pattern block, and the first pattern block and the second pattern block are provided with guide surfaces or guide grooves corresponding to the guide protrusions, and the guide surfaces or guide grooves are provided with limiter protrusions.

[0014] Furthermore, the first side mold assembly includes an upper side mold and an upper middle sleeve, and the upper middle sleeve is arranged around the outer circumference of the upper side mold; the second side mold assembly includes a lower side mold and a lower middle sleeve, and the lower middle sleeve is arranged around the outer circumference of the lower side mold; the guide member of the pattern block assembly is connected to the upper side mold or the lower side mold; the limiting member of the pattern block assembly is connected to the upper middle sleeve or the lower middle sleeve.

[0015] Furthermore, the tire mold also includes multiple wear-resistant plates, at least one wear-resistant plate is provided on the side of the upper middle sleeve and / or the lower middle sleeve facing the tread block assembly; and / or at least one wear-resistant plate is provided on the side of the tread block assembly facing the upper middle sleeve and / or the lower middle sleeve.

[0016] Applying the technical solution of the utility model, the tire mold in the present application includes a first side mold assembly, a second side mold assembly and a pattern block assembly. The first side mold assembly is arranged relative to the second side mold assembly, the first side mold assembly can move in a direction close to or away from the second side mold assembly and has a first mold closing position and a first mold release position; the pattern block assembly is arranged between the first side mold assembly and the second side mold assembly and forms a vulcanization space with the first side mold assembly and the second side mold assembly, at least a part of the pattern block assembly is connected to the first side mold assembly, at least another part of the pattern block assembly is connected to the second side mold assembly, and the pattern block assembly has a second mold closing position and a second mold release position; when the first side mold assembly moves from the first mold closing position to the first mold release position, the pattern block assembly moves from the second mold closing position to the second mold release position.

[0017] When using the tire mold in the present application, since it has a first side mold assembly, a second side mold assembly and a tread block assembly, the second side mold assembly can be connected to the lower plate of the vulcanizer during use, so that the second side mold assembly can be kept different during demolding, while the first side mold assembly moves from the first mold closing position to the first demolding position. At the same time, since the tread block assembly does not move in the same direction as the first side mold assembly, but moves from the second mold closing position to the second demolding position, when using the tire mold in the present application, it is possible to reduce damage and tearing of the tire ribs, thereby ensuring the tire molding quality and reducing the difficulty of removing the tire. Therefore, the tire mold in the present application effectively solves the problem of poor performance of tire molds in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1 A structural schematic diagram of a tire mold according to a specific embodiment of the utility model is shown.

[0020] The above drawings include the following reference numerals:

[0021] 10. First side mold assembly; 11. Upper side mold; 12. Upper middle sleeve; 13. Upper steel ring; 14. Auxiliary steel ring; 15. Upper chuck; 20. Second side mold assembly; 21. Lower side mold; 22. Lower middle sleeve; 23. Lower steel ring; 24. Lower chuck; 30. Pattern block assembly; 31. First pattern block; 32. Second pattern block; 33. Guide member; 331. Guide rod; 34. Reset member; 35. Limit member; 351. Guide protrusion; 36. Limit protrusion; 40. Wear-resistant plate. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0024] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0025] In order to solve the problem of poor performance of tire molds in the prior art, the present application provides a tire mold.

[0026] like Figure 1 As shown, the tire mold in the present application includes a first side mold assembly 10, a second side mold assembly 20 and a tread block assembly 30. The first side mold assembly 10 is arranged opposite to the second side mold assembly 20, and the first side mold assembly 10 can move in a direction close to or away from the second side mold assembly 20 and has a first mold closing position and a first demolding position; the tread block assembly 30 is arranged between the first side mold assembly 10 and the second side mold assembly 20 and encloses a vulcanization space with the first side mold assembly 10 and the second side mold assembly 20, at least a part of the tread block assembly 30 is connected to the first side mold assembly 10, at least another part of the tread block assembly 30 is connected to the second side mold assembly 20, and the tread block assembly 30 has a second mold closing position and a second demolding position; when the first side mold assembly 10 moves from the first mold closing position to the first demolding position, the tread block assembly 30 moves from the second mold closing position to the second demolding position.

[0027] When using the tire mold in the present application, since it has a first side mold assembly 10, a second side mold assembly 20 and a tread block assembly 30, the second side mold assembly 20 can be connected to the lower plate of the vulcanizer during use, so that the second side mold assembly 20 can remain different during demolding, while the first side mold assembly 10 moves from the first mold closing position to the first demolding position. At the same time, since the tread block assembly 30 does not move in the same direction as the first side mold assembly 10, but moves from the second mold closing position to the second demolding position, when using the tire mold in the present application, it is possible to reduce damage and tearing of the tire ribs, thereby ensuring the quality of tire molding and reducing the difficulty of removing the tire. Therefore, the tire mold in the present application effectively solves the problem of poor performance of tire molds in the prior art.

[0028] Specifically, the movement direction of the tread block assembly 30 has an angle greater than 0 degrees with the horizontal direction and the vertical direction respectively. This arrangement can ensure that the tread block assembly 30 can reduce damage to the tire during the demolding process. That is to say, in the present application, when the movement direction of the tread block assembly 30 is decomposed, the tread block assembly 30 moves in the horizontal direction and the vertical direction at the same time, so the actual movement direction of the tread block assembly 30 has an angle greater than 0 degrees with the horizontal direction and the vertical direction. In addition, in a specific embodiment of the present application, when the first side mold assembly 10 moves between the first mold closing position and the first demolding position, the first side mold assembly 10 moves in the vertical direction together with the upper plate of the vulcanizer.

[0029] It should also be noted that in the present application, the tire mold can be used on a vulcanizer, and the first side mold assembly 10 of the tire mold is driven by the vulcanizer.

[0030] Specifically, the tread block assembly 30 includes a plurality of first tread blocks 31 and a plurality of second tread blocks 32. That is, in the present application, the movement direction of the first tread block 31 and the movement direction of the second tread block 32 both have an angle greater than 0 degrees with the horizontal direction and the vertical direction. In addition, the plurality of first tread blocks 31 are respectively connected to the first side mold assembly 10; the plurality of second tread blocks 32 are respectively connected to the second side mold assembly 20, the number of the first tread blocks 31 and the second tread blocks 32 are the same and correspond one to one, and the plurality of first tread blocks 31 and the plurality of second tread blocks 32 are arranged opposite to each other and form a ring. In the present application, the pattern part of the tire can be vulcanized by the first tread blocks 31 and the second tread blocks 32, so the first tread blocks 31 and the second tread blocks 32 have corresponding patterns on the side facing the tire. And for the first pattern block 31 and the second pattern block 32 arranged opposite to each other, the side of the first pattern block 31 and the second pattern block 32 close to each other can have a step surface that is engaged with each other, so as to ensure the sealing performance after the first pattern block 31 and the second pattern block 32 abut against each other. At the same time, in the present application, the ring formed by the first pattern block 31 and the second pattern block 32 can be adapted to the shape of the tire.

[0031] Specifically, the pattern block assembly 30 further includes a plurality of guide members 33, and different first pattern blocks 31 and different second pattern blocks 32 are respectively connected to the first side mold assembly 10 or the second side mold assembly 20 through at least one different guide member 33 and move along the length direction of the corresponding guide member 33. Preferably, the guide member 33 includes a guide rod 331, and the first pattern block 31 and the second pattern block 32 are respectively provided with guide grooves corresponding to the guide rod 331, one end of the guide rod 331 is connected to the first side mold assembly 10 or the second side mold assembly 20, and the other end of the guide rod 331 extends into the guide groove of the corresponding first pattern block 31 or the guide groove of the second pattern block 32. Further preferably, the pattern block assembly 30 further includes a plurality of reset members 34, at least one reset member 34 is sleeved on each guide member 33, one end of the reset member 34 abuts against the first side mold assembly 10 or the second side mold assembly 20, and the other end of the reset member 34 abuts against the first pattern block 31 or the second pattern block 32, so as to provide a reset force for the first pattern block 31 or the second pattern block 32 to move from the second mold closing position to the second demolding position. In a specific embodiment of the present application, when the first side mold assembly 10 moves from the first mold closing position to the first demolding position driven by the upper plate of the vulcanizer, the first pattern block 31 can move along the guide rod 331 and move from the second mold closing position to the second demolding position under the action of gravity and the reset member 34, and the second pattern block 32 can move from the second mold closing position to the second demolding position under the action of the reset member 34, thereby ensuring that the first pattern block 31 and the second pattern block 32 can reduce damage to the tire during the movement. Furthermore, it should be noted that due to the different setting positions of the first pattern block 31 and the second pattern block 32, the movement directions of the first pattern block 31 and the second pattern block 32 are different, and thus the installation directions of the guide rods 331 corresponding to the first pattern block 31 and the second pattern block 32 are also different.

[0032] Optionally, the pattern block assembly 30 further includes at least two stoppers 35, and at least one first pattern block 31 among the plurality of first pattern blocks 31 and at least one second pattern block 32 among the plurality of second pattern blocks 32 are respectively provided with stopper protrusions 36 that cooperate with the stoppers 35, and when the pattern block assembly 30 is in the second demolding position, the stopper 35 abuts against the stopper protrusions 36. In addition, the stopper 35 is provided on the side of the first side mold assembly 10 facing the first pattern block 31 or the side of the second side mold assembly 20 facing the second pattern block 32, and the stopper 35 has a guide protrusion 351 on the side facing the first pattern block 31 or the side facing the second pattern block 32, and the first pattern block 31 and the second pattern block 32 are provided with guide surfaces or guide grooves corresponding to the guide protrusions 351, and the limit protrusions 36 are provided on the guide surfaces or guide grooves. In the present application, such an arrangement can ensure that the first pattern block 31 and the second pattern block 32 remain at the second demolding position after moving to the second demolding position.

[0033] Optionally, the guide protrusion 351 and the limiting member 35 are not an integral structure, but the guide protrusion 351 is fixed to the limiting member 35 by bolts.

[0034] Optionally, the first side mold assembly 10 includes an upper side mold 11 and an upper middle sleeve 12, and the upper middle sleeve 12 is arranged around the outer circumference of the upper side mold 11; the second side mold assembly 20 includes a lower side mold 21 and a lower middle sleeve 22, and the lower middle sleeve 22 is arranged around the outer circumference of the lower side mold 21; the guide member 33 of the pattern block assembly 30 is connected to the upper side mold 11 or the lower side mold 21; the stopper 35 of the pattern block assembly 30 is connected to the upper middle sleeve 12 or the lower middle sleeve 22. Preferably, the inner ring of the upper side mold 11 is further provided with an upper steel ring 13 connected to the upper side mold 11, and the upper steel ring 13 is connected to the upper chuck 15 through the auxiliary steel ring 14, and the inner ring of the lower side mold 21 is further provided with a lower steel ring 23 connected to the lower side mold 21 and a lower chuck 24 connected to the lower steel ring 23.

[0035] Optionally, the tire mold further includes a plurality of wear-resistant plates 40, at least one wear-resistant plate 40 is provided on the side of the upper middle sleeve 12 and / or the lower middle sleeve 22 facing the tread block assembly 30; and / or at least one wear-resistant plate 40 is provided on the side of the tread block assembly 30 facing the upper middle sleeve 12 and / or the lower middle sleeve 22. This arrangement can ensure that the relative movement between the first side mold assembly 10, the second side mold assembly 20 and the tread block assembly 30 is smoother.

[0036] From the above content, it can be seen that the tire mold of the present application is a self-opening double-active two-half mold, and the pattern part of the mold is made into an active unit block. On the basis of the upper and lower half molds of the traditional two-half mold that can only move axially up and down, a pattern active block that can open and close radially is added to solve the problems of difficulty in removing the tire, pattern damage, and tearing during vulcanization and demolding of the tire with the current traditional two-half mold.

[0037] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0038] 1. Effectively solve the problem of poor performance of tire molds in the prior art;

[0039] 2. Simple structure and stable performance.

[0040] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0041] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0042] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0043] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A tire mold, characterized in that: include: A first side mold assembly (10); a second side mold assembly (20), wherein the first side mold assembly (10) and the second side mold assembly (20) are arranged opposite to each other, the first side mold assembly (10) can move in a direction approaching or moving away from the second side mold assembly (20) and has a first mold closing position and a first mold releasing position; A tread block assembly (30), the tread block assembly (30) being arranged between the first side mold assembly (10) and the second side mold assembly (20) and enclosing a vulcanization space with the first side mold assembly (10) and the second side mold assembly (20), at least a portion of the tread block assembly (30) being connected to the first side mold assembly (10), at least another portion of the tread block assembly (30) being connected to the second side mold assembly (20), and the tread block assembly (30) having a second mold closing position and a second mold releasing position; When the first side mold assembly (10) moves from the first mold closing position to the first mold demolding position, the pattern block assembly (30) moves from the second mold closing position to the second mold demolding position.

2. The tire mold according to claim 1, characterized in that: The movement direction of the pattern block assembly (30) has an angle greater than 0 degree with the horizontal direction and the vertical direction respectively.

3. The tire mold according to claim 1, characterized in that: The tread block assembly (30) comprises: A plurality of first pattern blocks (31), wherein the plurality of first pattern blocks (31) are respectively connected to the first side mold assembly (10); A plurality of second pattern blocks (32), wherein the plurality of second pattern blocks (32) are respectively connected to the second side mold assembly (20), the number of the first pattern blocks (31) and the second pattern blocks (32) are the same and correspond one to one, and the plurality of the first pattern blocks (31) and the plurality of the second pattern blocks (32) are arranged opposite to each other and form a ring.

4. The tire mold according to claim 3, characterized in that: The tread block assembly (30) further comprises a plurality of guide members (33), and different first tread blocks (31) and different second tread blocks (32) are respectively connected to the first side mold assembly (10) or the second side mold assembly (20) via at least one different guide member (33) and move along the length direction of the corresponding guide member (33).

5. The tire mold according to claim 4, characterized in that: The guide member (33) comprises a guide rod (331), and the first tread block (31) and the second tread block (32) are respectively provided with guide grooves corresponding to the guide rod (331), one end of the guide rod (331) is connected to the first side mold assembly (10) or the second side mold assembly (20), and the other end of the guide rod (331) extends into the corresponding guide groove of the first tread block (31) or the guide groove of the second tread block (32).

6. The tire mold according to claim 4, characterized in that: The tread block assembly (30) further comprises a plurality of reset members (34), at least one of the reset members (34) being sleeved on each of the guide members (33), one end of the reset member (34) being in contact with the first side mold assembly (10) or the second side mold assembly (20), and the other end of the reset member (34) being in contact with the first tread block (31) or the second tread block (32) so as to provide a reset force for the first tread block (31) or the second tread block (32) to move from the second mold closing position toward the second mold releasing position.

7. The tire mold according to claim 3, characterized in that: The tread block assembly (30) further comprises at least two limiting members (35), at least one of the plurality of first tread blocks (31) and at least one of the plurality of second tread blocks (32) are respectively provided with limiting protrusions (36) cooperating with the limiting members (35), and when the tread block assembly (30) is in the second demoulding position, the limiting member (35) abuts against the limiting protrusions (36).

8. The tire mold according to claim 7, characterized in that: The limiting member (35) is arranged on a side of the first side mold component (10) facing the first tread block (31) or on a side of the second side mold component (20) facing the second tread block (32); the limiting member (35) has a guide protrusion (351) on the side facing the first tread block (31) or on the side facing the second tread block (32); the first tread block (31) and the second tread block (32) are provided with guide surfaces or guide grooves corresponding to the guide protrusions (351); and the limiting protrusions (36) are provided on the guide surfaces or the guide grooves.

9. The tire mold according to any one of claims 1 to 8, characterized in that: The first side mold assembly (10) comprises an upper side mold (11) and an upper middle sleeve (12), wherein the upper middle sleeve (12) is arranged around the outer circumference of the upper side mold (11); The second side mold assembly (20) comprises a lower side mold (21) and a lower middle sleeve (22), wherein the lower middle sleeve (22) is arranged around the outer circumference of the lower side mold (21); The guide member (33) of the pattern block assembly (30) is connected to the upper mold (11) or the lower mold (21); The limiting member (35) of the pattern block assembly (30) is connected to the upper middle sleeve (12) or the lower middle sleeve (22).

10. The tire mold according to claim 9, characterized in that: The tire mold further comprises a plurality of wear-resistant plates (40), and at least one of the wear-resistant plates (40) is provided on a side of the upper middle sleeve (12) and / or the lower middle sleeve (22) facing the tread block assembly (30); and / or At least one wear-resistant plate (40) is provided on a side of the tread block assembly (30) facing the upper middle sleeve (12) and / or the lower middle sleeve (22).

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