Two-half mold for vulcanizing tire
By designing the assembly structure and auxiliary demarcation device of sulfur tires, the problem of inconvenience and pattern wear during the molding process of the existing molds in the process of departure is solved, and the quality of automatic demolition and tire molding is realized.
Patent Information
- Application Number
- CN202420189625.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-25
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-01-25
AI Technical Summary
There are inconvenience and wear of patterns during the demolding process of existing two-half tire molds, which affects the tire forming quality.
A two -half mold of sulfur tires are designed, the assembly structure of the upper and lower molds and the core of the mold is used, and through the departure structure and separation structure of the auxiliary device, it can automatically remove and reduce the rotating friction of the pattern.
The automation of the processed process is achieved, the bump damage of the pattern is reduced, the final quality of the tire forming is improved, and the strength and assembly stability of the tire are enhanced.
Smart Images
Figure CN222406737U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tire molds, in particular to a two-half mold for a vulcanized tire. Background Art
[0002] Tire molds are commonly used equipment for making tires. Rubber raw materials are injected into the mold and vulcanized at high temperature to make tire products according to the shape of the cavity in the mold. The two halves of the tire mold are essential equipment for tire molding.
[0003] In the prior art, the two-half tire mold is an upper and lower type, and the tread and sidewall patterns are processed as a whole, which can avoid the misalignment of the tire tread pattern and the sidewall pattern and the problem of rubber edge. When demolding the two-half mold, the mold can be opened directly without separating the active block. The difficulty of demolding is easily affected by the shape and depth of the tire pattern. In order to facilitate demolding, some two-half tire molds will increase the rotation of the upper and lower molds or the mold core, thereby increasing the friction between the tire and the patterns in the upper and lower molds, which is easy to cause pattern wear; some two-half tire molds use an assembled mold structure for easy demolding. The more assembled structures, the more gap surfaces, so there is a problem of overflowing glue to produce rubber edges or tire hair, which affects the final quality of tire molding. Utility Model Content
[0004] Therefore, the technical problem to be solved by the utility model is to overcome the defect of inconvenient demoulding in the prior art, thereby providing a two-half mold for a vulcanized tire.
[0005] The above technical objectives of the utility model are achieved through the following technical solutions:
[0006] A two-half mold for a vulcanized tire, comprising:
[0007] A mold body, the mold body comprising an upper mold body, a lower mold body and a mold core, the upper mold body is arranged above the lower mold body, the mold core is coaxially arranged with the upper mold body and the lower mold body, a mold cavity is formed between the upper mold body, the lower mold body and the mold core, and movable holes are penetrated at the center of the upper mold body, the lower mold body and the mold core;
[0008] An auxiliary device is arranged on the outside of the mold body, and the auxiliary device includes a demolding structure and a partitioning structure. The demolding structure is connected to the upper mold body, and the demolding structure includes a lifting frame and a lifting drive. The lifting drive is vertically slidably arranged on the lifting frame and controls the movement of the upper mold body. The partitioning structure moves with the upper mold body and is arranged on the upper mold body. The partitioning structure includes a partition and a rotary drive. The partitioning members are arranged in a circular array around the side wall of the upper mold body, and the rotary drive is arranged on the top of the upper mold body. The rotary drive moves with the upper mold body, and the rotary drive controls the rotation of the partition.
[0009] By adopting the above technical scheme, the upper mold body directly opens the upper mold body and the lower mold body with the movement of the demolding structure, and then the partition structure is rotated and screwed into between the upper mold body and the lower mold body. Due to the structural design of the mold core, the tire is driven to move upward with the upper mold body. After moving up as a whole and separating from the lower mold body, the mold core moves downward and drives the tire downward. The tire is carried on the partition and is finally completely separated from the upper mold body. When the mold core drives the tire to move downward, due to the elasticity of the tire itself and the loose connection between the mold core, the mold core and the tire can be separated, and the finished tire can be taken out later. The demolding process is automatic and reduces the rotation process between the upper and lower molds and the tire, which can reduce the collision damage of the pattern.
[0010] Furthermore, the upper mold body includes an upper module and an upper template that are integrally connected. The upper template is arranged above the upper module. The upper template is provided with a plurality of positioning holes corresponding to the lifting drive, and the inner wall of the upper module is provided with a pattern.
[0011] By adopting the above technical solution, the positioning hole facilitates the cooperation between the upper mold body and the lifting drive, thereby realizing the separation of the upper mold body and the lower mold body, which is convenient for demoulding or film closing operations.
[0012] Furthermore, the inner side surface of the upper module is abutted against the side surface of the mold core and the abutting surface is an inclined surface. The upper mold body is also provided with an abutting platform extending toward the inner circumference. The abutting platform is abutted against the upper end surface of the mold core. A plurality of fixing columns are also provided between the mold core and the abutting platform. The fixing columns pass through the abutting platform and are fixed to the upper end surface of the mold core. A glue overflow groove is provided at the joint between the bottom of the inner wall of the upper module and the mold core, and a corresponding glue overflow groove is also provided on the mold core. The glue overflow groove is provided along the circumference of the outer wall of the top of the mold core.
[0013] By adopting the above technical solution, the upper module and the model are abutted with an inclined surface to facilitate the subsequent smooth demolding of the mold core downwards. The upper mold body and the mold core are both assembled structures, so that the outer periphery of the mold core, that is, the shape of the inner diameter edge of the tire can be adjusted to facilitate adaptation to different tire inner cores; the overflow groove here can form an annular protrusion on the upper surface of the tire, which can enhance the strength of the tire and increase the friction between the tire ring edge and the rim, thereby ensuring assembly stability during subsequent assembly.
[0014] Furthermore, the mold core includes a connecting block and a center mold, the connecting block is arranged above the center mold, the connecting block and the center mold are connected by multiple locking bolts, a countersunk hole is provided on the connecting block, the locking bolt is provided in the countersunk hole, and a fixing hole is also provided in the connecting block corresponding to the fixing column, and an arc-shaped introduction surface is provided on the top of the fixing hole.
[0015] By adopting the above technical solution, the fixing column connects the connecting block and the upper module to ensure the tightness of the connection between the two; the locking bolt is arranged in the connecting block to prevent the protrusion from affecting the assembly between the upper module and the mold core.
[0016] Furthermore, the outer side wall of the connection block is also provided with a snap-fit groove, which is arranged below the joint with the upper module, is arc-shaped and smoothly transitions with the upper module, and the top diameter of the snap-fit groove is larger than the bottom diameter of the snap-fit groove.
[0017] By adopting the above technical solution, the arc-shaped engaging groove can be engaged with the upper edge of the finished tire product, so that it is easy to drive the tire to separate from the lower mold body during demolding. After the upper mold body and the lower mold body are separated, a downward pulling force can be applied to the mold core to drive the upper mold body to separate from the mold core and the tire, and finally separate the tire from the mold core.
[0018] Furthermore, the bottom of the mold core is abutted against the lower mold body, and the lower mold body includes a lower module and a lower mold ring. The inner wall of the lower module is also provided with a pattern and corresponds to the inner wall pattern of the upper module. The lower mold ring and the lower module are connected by fastening bolts, and the fastening bolts pass through the lower module and are fixed on the lower mold ring. The top of the lower mold ring has a rounded transition with the side wall of the center mold and an overflow groove is also provided at the joint.
[0019] By adopting the above technical solution, when the assembled lower mold body is inconvenient to demould, the fastening bolts can be removed to loosen the bottom of the lower mold body, thereby reducing the pulling when the upper mold body is demoulded and facilitating demoulding.
[0020] Furthermore, the partition includes a rotating cylinder, a telescopic cylinder and a partition plate. The rotating cylinder is positioned and rotatably installed on the outer side wall of the upper mold body and its axis is parallel to the axis of the upper mold body. The telescopic cylinder is slidably arranged in the rotating cylinder. The partition plate is fixed at the bottom of the telescopic cylinder. The partition plate includes a first arc surface and a second arc surface. The diameter of the first arc surface is larger than the diameter of the second arc surface. The rotary drive includes a driving gear, a rotating gear and a rotating motor. The rotating gear is arranged around the driving gear and meshes with the driving gear and is fixed at the top of the rotating cylinder. The rotating motor controls the rotation of the driving gear. The rotating motor is fixed at the bottom of the lifting drive and moves with the lifting drive.
[0021] By adopting the above technical solution, the partition and the rotary drive move up and down with the upper mold body. When the upper mold body rises a certain distance, the upper and lower molds are ensured to be completely separated. The rotary motor drives the driving gear to rotate, so that the partition plate coaxial with the rotary gear is rotated and inserted between the upper and lower molds and carried under the tire. The first arc surface can support the bottom of the tire, and the second arc surface does not contact the tire, so it is convenient to fit the side wall of the lower mold body when closing the film.
[0022] Furthermore, the demolding structure also includes a lifting member, which is arranged on a lifting frame. The lifting member includes a lifting column and a telescopic motor. The top of the lifting column is clamped with a connecting block. The telescopic motor controls the vertical sliding of the lifting column and is arranged in a movable hole. The telescopic motor is fixed on the lifting frame and is located at the bottom of the lower mold body.
[0023] By adopting the above technical solution, the lifting column is connected to the mold core, driving the mold core to separate from the upper mold body, thereby leaving the tire on the partition plate.
[0024] In summary, the technical solution of the utility model has the following advantages:
[0025] 1. The two halves of the vulcanized tire mold provided by the utility model and the setting of the auxiliary structure can make the demoulding process automatic and reduce the rotation process between the upper mold body, the lower mold body and the tire, which can reduce the collision damage of the pattern.
[0026] 2. The two halves of the vulcanized tire mold provided by the utility model, the upper mold body, the lower mold body and the mold core are all assembly structures, and glue overflow grooves are arranged on the joint edges. The assembly gap is used to form a glue overflow protrusion, so that an annular protrusion can be formed on the upper surface of the tire, which can enhance the strength of the tire and increase the friction between the tire ring edge and the rim, thereby ensuring the assembly stability during subsequent assembly.
[0027] 3. The two-half mold for vulcanized tire provided by the utility model has a separation structure that moves up and down with the upper mold body. After the upper and lower molds are completely separated, the separation structure can be inserted between the upper and lower molds and carried under the tire, thereby ensuring stable demoulding of the finished tire product. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0029] Figure 1 A schematic diagram of the overall structure of two halves of a vulcanized tire mold provided in one embodiment of the utility model;
[0030] Figure 2 A schematic diagram of an exploded structure of two halves of a vulcanized tire mold provided in one embodiment of the utility model;
[0031] Figure 3 The utility model is a schematic cross-sectional structure diagram of two halves of a vulcanized tire mold provided in one embodiment of the utility model.
[0032] Description of reference numerals:
[0033] 1. Mold body; 11. Upper mold body; 111. Upper die block; 1111. Butt platform; 112. Upper die plate; 113. Positioning hole; 12. Lower mold body; 121. Lower die block; 122. Lower mold ring; 123. Fastening bolt; 13. Mold core; 131. Connecting block; 1311. Sink hole; 1312. Engagement groove; 132. Center mold; 133. Locking bolt; 14. Cavity; 15. Movable hole; 16. Fixed column; 161. Fixed Hole; 17, overflow groove; 2, auxiliary device; 3, demoulding structure; 31, lifting frame; 32, lifting drive; 33, lifting member; 331, lifting column; 332, telescopic motor; 4, partition structure; 41, partition; 411, rotating cylinder; 412, telescopic cylinder; 413, partition plate; 4131, first arc surface; 4132, second arc surface; 42, rotation drive; 421, driving gear; 422, rotating gear; 423, rotating motor. DETAILED DESCRIPTION
[0034] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0035] A mold for curing tire halves, such as Figure 1 and Figure 3 As shown, it includes a mold body 1 and an auxiliary device 2. The mold body 1 includes an upper mold body 11, a lower mold body 12 and a mold core 13. The upper mold body 11 is arranged above the lower mold body 12. The mold core 13 is coaxially arranged with the upper mold body 11 and the lower mold body 12. The upper mold body 11, the lower mold body 12 and the mold core 13 form a cavity 14. The upper mold body 11, the lower mold body 12 and the mold core 13 are all penetrated by a movable hole 15 at the center of the circle. The auxiliary device 2 includes a demoulding structure 3 and a separation structure 4. The demoulding structure 3 is connected to the upper mold body 11. The demoulding structure 3 includes a lifting frame 31 and a lifting drive 32. The partition structure 4 moves with the upper mold body 11 and is arranged on the upper mold body 11. The partition structure 4 includes a partition 41 and a rotation drive 42. The setting of the auxiliary structure can make the demoulding process automatic and reduce the relative rotation process between the upper mold body 11 and the tire, and the lower mold body 12 and the tire, which can reduce the collision damage of the pattern, etc., and can reduce the assembly gap between the upper mold body 11, the lower mold body 12 and the mold core 13, reduce the formation of fetal hair, thereby ensuring the quality of the finished tire.
[0036] like Figure 1 , Figure 2 and Figure 3As shown, the upper mold body 11 includes an upper mold block 111 and an upper mold plate 112 connected in one piece, the upper mold plate 112 is arranged above the upper mold block 111, and the upper mold plate 112 is provided with a plurality of positioning holes 113 corresponding to the lifting drive 32, and a pattern is arranged on the inner wall of the upper mold block 111. The positioning holes 113 facilitate the cooperation between the upper mold body 11 and the lifting drive 32, thereby realizing the separation of the upper mold body 11 and the lower mold body 12, and facilitating the demoulding or film closing operation.
[0037] The inner side surface of the upper module 111 is abutted against the side surface of the mold core 13, and the abutting surface is an inclined surface. The upper mold body 11 also extends an abutting platform 1111 toward the inner circumference, that is, the upper mold body 11 extends an abutting platform 1111 toward the movable hole 15, and the bottom of the abutting platform 1111 is abutted against the upper end surface of the mold core 13. The upper module 111 abuts against the mold core 13 with an inclined surface to facilitate the subsequent demolding of the mold core 13 downward. The upper mold body 11 and the mold core 13 are both assembled structures, so that the outer circumference of the mold core 13, that is, the shape of the inner diameter edge of the tire, can be adjusted to facilitate adaptation to different tire inner cores. A plurality of fixing columns 16 are also provided between the mold core 13 and the abutment platform 1111. The fixing columns 16 pass through the abutment platform 1111 and are fixed on the upper end surface of the mold core 13. A glue overflow groove 17 is provided at the joint between the bottom of the inner wall of the upper module 111 and the mold core 13. A glue overflow groove 17 is also provided on the mold core 13. The glue overflow groove 17 is provided along the circumference of the outer wall of the top of the mold core 13. The glue overflow groove 17 can form an annular protrusion on the upper surface of the tire, which can enhance the strength of the tire, and can increase the friction between the tire rim and the rim, thereby ensuring the assembly stability during subsequent assembly.
[0038] The mold core 13 includes a connecting block 131 and a center mold 132. The connecting block 131 is arranged above the center mold 132. The connecting block 131 and the center mold 132 are connected by a plurality of locking bolts 133. The connecting block 131 is provided with a countersunk hole 1311 for accommodating the locking bolts 133. The locking bolts 133 are completely arranged in the countersunk hole 1311. The connecting block 131 is also provided with a fixing hole 161 corresponding to the fixing column 16. The top of the fixing hole 161 is provided with an arc-shaped introduction surface. The fixing column 16 connects the connecting block 131 and the upper mold module 111 to ensure the tightness of the connection between the two. The locking bolts 133 are arranged in the connecting block 131 to prevent the protrusion from affecting the assembly between the upper mold module 111 and the mold core 13.
[0039] The outer wall of the connecting block 131 is also provided with a snap-fit groove 1312, which is provided below the joint with the upper module 111. The snap-fit groove 1312 is arc-shaped and smoothly transitions with the upper module 111. The top diameter of the snap-fit groove 1312 is larger than the bottom diameter of the snap-fit groove 1312. The arc-shaped snap-fit groove 1312 can snap-fit with the upper edge of the finished tire, so that it is easy to drive the tire to separate from the lower mold body 12 during demoulding. After the upper mold body 11 and the lower mold body 12 are separated, a downward pulling force can be applied to the mold core 13 to drive the upper mold body 11 to separate from the mold core 13 and the tire, and finally separate the tire from the mold core 13.
[0040] The bottom of the mold core 13 is abutted against the lower mold body 12. The lower mold body 12 includes a lower module 121 and a lower mold ring 122. The inner wall of the lower module 121 is also provided with a pattern and is continuous and corresponding to the inner wall pattern of the upper module 111, thereby forming the outer shape of the tire. The lower mold ring 122 is connected to the lower module 121 by a fastening bolt 123. The fastening bolt 123 passes through the lower module 121 and is fixed on the lower mold ring 122. The top of the lower mold ring 122 and the side wall of the center mold 132 are rounded and transitioned, and a glue overflow groove 17 is also provided at the joint. When it is inconvenient to demold the assembled lower mold body 12, the fastening bolt 123 can be removed to loosen the bottom of the lower mold body 12, thereby reducing the pulling when the upper mold body 11 is demolded, and facilitating demolding.
[0041] like Figure 1 and Figure 2 As shown, the partition 41 includes a rotating cylinder 411, a telescopic cylinder 412 and a partition plate 413. The rotating cylinder 411 is positioned and rotatably installed on the outer side wall of the upper mold body 11 and its axis is parallel to the axis of the upper mold body 11. The telescopic cylinder 412 is slidably set in the rotating cylinder 411. The partition plate 413 is fixed at the bottom of the telescopic cylinder 412. The partition plate 413 includes a first arc surface 4131 and a second arc surface 4132. The diameter of the first arc surface 4131 is larger than the diameter of the second arc surface 4132. The rotating drive 42 includes a driving gear 421, a rotating gear 422 and a rotating motor 423. The rotating gear 422 is arranged around the driving gear 421 and meshes with the driving gear 421 and is fixed at the top of the rotating cylinder 411. The rotating motor 423 controls the rotation of the driving gear 421. The rotating motor 423 is fixed at the bottom of the lifting drive 32 and moves with the lifting drive 32. The partition 41 and the rotary drive 42 move up and down with the upper mold body 11. When the upper mold body 11 rises a certain distance to ensure that the upper and lower molds are completely separated, the rotary motor 423 drives the driving gear 421 to rotate, so that the partition plate 413 coaxial with the rotary gear 422 is rotated and inserted between the upper and lower molds and supported under the tire. The first arc surface 4131 can support the bottom of the tire, and the second arc surface 4132 does not contact the tire, which is convenient for fitting to the side wall of the lower mold body 12 when the film is closed.
[0042] like Figure 1 and Figure 2 As shown, the demoulding structure 3 also includes a lifting member 33, which is arranged on the lifting frame 31. The lifting member 33 includes a lifting column 331 and a telescopic motor 332. The top of the lifting column 331 is clamped with the connecting block 131. The telescopic motor 332 controls the vertical sliding of the lifting column 331 and is arranged in the movable hole 15. The telescopic motor 332 is fixed near the bottom of the lifting frame 31 and is located at the bottom of the lower mold body 12. The lifting column 331 is connected to the mold core 13, driving the mold core 13 to directly lift and separate from the upper mold body 11, so as to avoid rotation during demoulding and leaving the tire on the partition plate 413.
[0043] Working principle and usage of the two-half mold of the vulcanized tire:
[0044] When the film is closed: the upper mold body 11 is arranged above the lower mold body 12 and is completely closed, the rotary drive 42 is in a stopped state, the lifting drive 32 and the lifting member 33 are at the lowest point, and the cavity 14 is formed between the upper mold body 11, the lower mold body 12 and the mold core 13.
[0045] During demoulding: the lifting drive 32 slides on the lifting frame 31, and moves upward to separate the upper mold body 11 from the lower mold body 12. The mold core 13 and the tire in the cavity 14 also move upward with the upper mold body 11. At this time, the lifting column 331 connected to the mold core 13 also rises accordingly. After the tire is completely separated from the lower mold body 12, the rotating motor 423 drives the driving gear 421 to rotate, so that the partition plate 413 coaxial with the rotating gear 422 rotates and is inserted between the upper mold body 11 and the lower mold body 12 and carried under the tire. Then, the upper mold body 11 is controlled to continue to move upward while the lifting column 331 is controlled to descend by the telescopic motor 332, so that the mold core 13 is separated from the upper mold body 11, and the tire remains on the first arc surface 4131 and drives the telescopic cylinder 412 to extend out of the rotating cylinder 411 until the mold core 13 descends and completely falls into the lower mold body 12, and the demolding is completed. In this process, the fixing of the fastening bolts 123 between the lower module 121 and the lower mold ring 122 can be released first, so as to facilitate the tire to be removed from the lower mold body 12 and facilitate demolding.
[0046] The above description shows and describes the preferred embodiments of the utility model. As mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.
Claims
1. A two-half mold for a vulcanized tire, characterized in that: include: A mold body (1), the mold body (1) comprising an upper mold body (11), a lower mold body (12) and a mold core (13), the upper mold body (11) being arranged above the lower mold body (12), the mold core (13) being arranged coaxially with the upper mold body (11) and the lower mold body (12), a mold cavity (14) being formed between the upper mold body (11), the lower mold body (12) and the mold core (13), and movable holes (15) being arranged through the centers of the upper mold body (11), the lower mold body (12) and the mold core (13); An auxiliary device (2), wherein the auxiliary device (2) is arranged on the outside of the mold body (1), and the auxiliary device (2) includes a demoulding structure (3) and a partitioning structure (4). The demoulding structure (3) is connected to the upper mold body (11), and the demoulding structure (3) includes a lifting frame (31) and a lifting drive (32). The lifting drive (32) is vertically slidably arranged on the lifting frame (31) and controls the movement of the upper mold body (11). The partitioning structure (4) moves with the upper mold body (11) and is arranged on the upper mold body (11). The partitioning structure (4) includes a partition (41) and a rotary drive (42). The partition (41) is arranged in a circular array around the side wall of the upper mold body (11), and the rotary drive (42) is arranged on the top of the upper mold body (11). The rotary drive (42) moves with the upper mold body (11), and the rotary drive (42) controls the rotation of the partition (41).
2. A vulcanized tire two-half mold according to claim 1, characterized in that: The upper mold body (11) comprises an upper module (111) and an upper template (112) which are integrally connected. The upper template (112) is arranged above the upper module (111). The upper template (112) is provided with a plurality of positioning holes (113) corresponding to the lifting drive (32). The inner wall of the upper module (111) is provided with a pattern.
3. A vulcanized tire two-half mold according to claim 2, characterized in that: The inner side surface of the upper module (111) is arranged to abut against the side surface of the mold core (13), and the abutting surface is an inclined surface. The upper mold body (11) is also provided with an abutting platform (1111) extending toward the inner circumference. The abutting platform (1111) is arranged to abut against the upper end surface of the mold core (13). A plurality of fixing columns (16) are also arranged between the mold core (13) and the abutting platform (1111). The fixing columns (16) pass through the abutting platform (1111) and are fixed to the upper end surface of the mold core (13). A glue overflow groove (17) is provided at the joint between the bottom of the inner wall of the upper module (111) and the mold core (13). A glue overflow groove (17) is also provided on the mold core (13). The glue overflow groove (17) is arranged along the circumference of the outer wall of the top of the mold core (13).
4. A vulcanized tire two-half mold according to claim 3, characterized in that: The mold core (13) comprises a connecting block (131) and a center mold (132); the connecting block (131) is arranged above the center mold (132); the connecting block (131) and the center mold (132) are connected via a plurality of locking bolts (133); a countersunk hole (1311) is provided on the connecting block (131); the locking bolts (133) are arranged in the countersunk hole (1311); a fixing hole (161) is further provided on the connecting block (131) corresponding to the fixing column (16); and an arc-shaped introduction surface is provided at the top of the fixing hole (161).
5. A vulcanized tire two-half mold according to claim 4, characterized in that: The outer side wall of the connection block (131) is also provided with a snap-fit groove (1312), and the snap-fit groove (1312) is provided below the joint with the upper module (111). The snap-fit groove (1312) is arc-shaped and smoothly transitions with the upper module (111), and the top diameter of the snap-fit groove (1312) is greater than the bottom diameter of the snap-fit groove (1312).
6. A vulcanized tire two-half mold according to claim 5, characterized in that: The bottom of the mold core (13) is abutted against the lower mold body (12), and the lower mold body (12) includes a lower module (121) and a lower mold ring (122). The inner wall of the lower module (121) is also provided with a pattern and corresponds to the inner wall pattern of the upper module (111). The lower mold ring (122) and the lower module (121) are connected by a fastening bolt (123). The fastening bolt (123) passes through the lower module (121) and is fixed on the lower mold ring (122). The top of the lower mold ring (122) and the side wall of the center mold (132) are in a rounded transition, and a glue overflow groove (17) is also provided at the joint.
7. A vulcanized tire two-half mold according to claim 1, characterized in that: The partition (41) comprises a rotating cylinder (411), a telescopic cylinder (412) and a partition plate (413); the rotating cylinder (411) is rotatably mounted on the outer wall of the upper mold body (11) and its axis is parallel to the axis of the upper mold body (11); the telescopic cylinder (412) is slidably arranged in the rotating cylinder (411); the partition plate (413) is fixed at the bottom of the telescopic cylinder (412); the partition plate (413) comprises a first curved surface (4131) and a second curved surface (4132); the first curved surface (413 1) has a diameter greater than that of the second arc surface (4132); the rotary drive (42) comprises a driving gear (421), a rotating gear (422) and a rotating motor (423); the rotating gear (422) is arranged around the driving gear (421) and meshes with the driving gear (421) and is fixed to the top of the rotating cylinder (411); the rotating motor (423) controls the driving gear (421) to rotate; the rotating motor (423) is fixed to the bottom of the lifting drive (32) and moves with the lifting drive (32).
8. A vulcanized tire two-half mold according to claim 4, characterized in that: The demoulding structure (3) also includes a lifting member (33), the lifting member (33) is arranged on the lifting frame (31), the lifting member (33) includes a lifting column (331) and a telescopic motor (332), the top of the lifting column (331) is clamped with the connecting block (131), the telescopic motor (332) controls the lifting column (331) to slide vertically in the movable hole (15), and the telescopic motor (332) is fixed on the lifting frame (31) and is located at the bottom of the lower mold body (12).