Molding drum fan-shaped block for tire production
By introducing adjustment and locking units into the fan-shaped blocks of the forming drum used in tire production, the problem of insufficient adaptability of traditional fan-shaped blocks has been solved, thereby improving the flexibility of tire production and the forming quality.
Patent Information
- Application Number
- CN202520608610.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Traditional sector blocks require replacing the entire molding drum when producing tires with different tread widths or sidewall heights, resulting in low production efficiency and poor molding quality.
A fan-shaped block for tire production drum has been designed, comprising an adjustment unit and a locking unit. The position of the fan-shaped sub-module is adjusted by a hydraulic telescopic rod and a sliding frame, and combined with an elastic rubber buffer layer to adapt to different tire sizes, avoiding the need to replace the entire fan-shaped block.
It enables flexible adaptation without replacing sector blocks under different tire size conditions, improving production efficiency and molding quality, and preventing tire surface indentations or damage.
Smart Images

Figure CN223948609U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tire production technical field, concretely is a kind of fan-shaped block for tire production. BACKGROUND
[0002] Fan-shaped block of forming drum is the key component in tire forming equipment, plays a vital role in tire production. It is mainly used to build the outer surface of tire forming drum. In the tire forming process, a plurality of fan-shaped blocks are spliced into a circular forming drum around the center axis to provide support for the winding, lamination and preliminary forming of tire components.
[0003] In the tire production process, as a key component, the performance of the fan-shaped block of forming drum directly affects the forming quality and production efficiency of the tire. The traditional fan-shaped block has a fixed structure design, and when producing tires with different tread widths or sidewall heights, the entire forming drum needs to be replaced, which is not effective in use. Therefore, improvement is needed. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a fan-shaped block of forming drum for tire production to solve the problems raised in the above background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fan-shaped block of forming drum for tire production, comprising a connecting mechanism and a forming mechanism, the forming mechanism is fixedly connected to the side surface of the connecting mechanism.
[0006] The forming mechanism comprises an adjusting unit and a locking unit, the adjusting unit is arranged on the side surface of the connecting mechanism, and the locking unit is movably connected to the inside of the adjusting unit.
[0007] Preferably, the connecting mechanism is composed of a center connecting disc, a connecting rod, a connecting disc and a hydraulic assembly, the connecting rod is fixedly connected to the top of the center connecting disc, the connecting disc is fixedly connected to the bottom of the connecting rod, and the hydraulic assembly is fixedly connected to the inner side of the center connecting disc, which plays a role in connecting and installing.
[0008] Preferably, the adjusting unit is composed of a sliding frame, a first sliding groove, a second sliding groove and a hydraulic telescopic rod, the sliding frame is fixedly connected to the side surface of the center connecting disc, the first sliding groove is opened on the side surface of the sliding frame, the second sliding groove is opened on the upper and lower ends of the sliding frame, and the hydraulic telescopic rod is movably connected to the side surface of the center connecting disc, which plays a role in mainly adjusting the spacing, and can change the contour shape of the fan-shaped block by adjusting the position of the fan-shaped sub-module when facing tires with different tread widths or sidewall heights, without the need to replace the entire fan-shaped block.
[0009] Preferably, the locking unit is composed of a sliding block, a clamping plate, a threaded rod, a locking nut, a connecting block, a connecting hole, a fan-shaped sub-module and a connecting threaded hole, the sliding block is fixedly connected to the extension end of the hydraulic telescopic rod and is slidingly connected to the inside of the first sliding groove, the clamping plate is clamped to the surface of the sliding frame, the threaded rod penetrates through the inside of the clamping plate and the sliding block, the locking nut is threadedly connected to the surface of the threaded rod, the connecting block is fixedly connected to the outside of the sliding block, the connecting hole is formed in the surface of the connecting block, the fan-shaped sub-module is threadedly connected to the surface of the connecting block, and the connecting threaded hole is formed in the inside of the fan-shaped sub-module, so that the locking and adjustment positions are achieved and the stability is improved.
[0010] Preferably, the hydraulic assembly is provided with ten groups of hydraulic pipelines which are communicated with the hydraulic telescopic rods, so that the length of the connecting block can be adjusted through hydraulic pressure.
[0011] Preferably, the adjustment unit and the locking unit are provided with ten groups and are distributed on the surface of the center connecting disc, so that a circular arrangement is formed and the installation position of the fan-shaped sub-module can be adjusted.
[0012] Preferably, the outer surface of the fan-shaped sub-module is provided with an elastic rubber buffer layer, so that when the tire is subjected to pressure during the molding process, the elastic buffer layer can effectively disperse the pressure, the local pressure is prevented from being too large to cause the appearance of indentation or damage on the surface of the tire, the adhesion between the tire and the fan-shaped block is improved, and the molding quality is ensured.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1、The tire production molding drum fan-shaped block is provided with the adjustment unit, the position of the fan-shaped sub-module can be adjusted when facing different tire width or tire side height tires, the profile shape of the fan-shaped block is changed, the whole process does not need to replace the whole fan-shaped block, and the production flexibility is enhanced.
[0015] 2、The tire production molding drum fan-shaped block is provided with the elastic rubber buffer layer on the outer surface of the fan-shaped sub-module, can effectively disperse the pressure when the tire is subjected to pressure during the molding, prevents the appearance of indentation or damage on the surface of the tire due to the local pressure being too large, can improve the adhesion between the tire and the fan-shaped block, and guarantees the molding quality of the tire from multiple aspects. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is an appearance structure schematic view of the utility model;
[0017] Figure 2 It is a fan-shaped sub-module split structure schematic view of the utility model;
[0018] Figure 3 It is the utility model Figure 2Enlarged structural schematic view at A in the middle;
[0019] Figure 4 The utility model discloses a sliding frame structure schematic view.
[0020] In the figure: 1, connecting mechanism;101, center connecting disc;102, connecting rod;103, connecting disc;104, hydraulic assembly;2, forming mechanism;201, sliding frame;202, first sliding groove;203, second sliding groove;204, hydraulic telescopic rod;211, sliding block;212, clamping plate;213, threaded rod;214, locking nut;215, connecting block;216, connecting hole;217, fan-shaped sub-module;218, connecting threaded hole. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-4 The utility model provides the following technical scheme: a fan-shaped block of forming drum for tire production, connecting mechanism 1 and forming mechanism 2, forming mechanism 2 is fixedly connected on the side surface of connecting mechanism 1.
[0023] Forming mechanism 2 includes adjusting unit and locking unit, adjusting unit is arranged on the side surface of connecting mechanism 1, locking unit is movably connected in the inside of adjusting unit, adjusting unit and locking unit are provided with ten groups, and are distributed on the surface of center connecting disc 101, convenient for forming circular arrangement, convenient for adjusting the installation position of fan-shaped sub-module.
[0024] Connecting mechanism 1 is composed of center connecting disc 101, connecting rod 102, connecting disc 103 and hydraulic assembly 104, connecting rod 102 is fixedly connected on the top of center connecting disc 101, connecting disc 103 is fixedly connected on the bottom of connecting rod 102, hydraulic assembly 104 is fixedly connected on the inside of center connecting disc 101, hydraulic assembly 104 is provided with ten groups of hydraulic pipelines, wherein the hydraulic pipeline is communicated in hydraulic telescopic rod 204, and the length of connecting block 215 is adjusted through hydraulic pressure, so that the connecting installation effect is achieved.
[0025] The adjusting unit is composed of a sliding frame 201, a first sliding groove 202, a second sliding groove 203 and a hydraulic telescopic rod 204. The sliding frame 201 is fixedly connected to the side surface of the center connecting disc 101. The first sliding groove 202 is arranged on the side surface of the sliding frame 201. The second sliding groove 203 is arranged on the upper and lower ends of the sliding frame 201. The hydraulic telescopic rod 204 is movably connected to the side surface of the center connecting disc 101, and plays a role of adjusting the interval. When facing the tires with different tread widths or sidewall heights, the position of the fan-shaped sub-module 217 can be adjusted to change the profile shape of the fan-shaped block, and the whole fan-shaped block does not need to be replaced. The locking unit is composed of a sliding block 211, a clamping plate 212, a threaded rod 213, a locking nut 214, a connecting block 215, a connecting hole 216, a fan-shaped sub-module 217 and a connecting threaded hole 218. The sliding block 211 is fixedly connected to the extended end of the hydraulic telescopic rod 204 and is slidably connected to the inside of the first sliding groove 202. The clamping plate 212 is clamped to the surface of the sliding frame 201. The threaded rod 213 penetrates the inside of the clamping plate 212 and the sliding block 211. The locking nut 214 is threadedly connected to the surface of the threaded rod 213. The connecting block 215 is fixedly connected to the outside of the sliding block 211. The connecting hole 216 is arranged on the surface of the connecting block 215. The fan-shaped sub-module 217 is threadedly connected to the surface of the connecting block 215. An elastic rubber buffer layer is arranged on the outer surface of the fan-shaped sub-module 217. When the tire is subjected to pressure during the molding process, the elastic buffer layer can effectively disperse the pressure, avoid the local pressure being too large to cause the tire surface to appear indentation or damage, improve the adhesion between the tire and the fan-shaped block, and ensure the molding quality. The connecting threaded hole 218 is arranged on the inside of the fan-shaped sub-module 217, plays a role of locking the adjusting position, and improves the stability.
[0026] In use, the center connecting disc 101 of the connecting mechanism 1 is integrally connected and installed through the connecting rod 102 and the connecting disc 103. The hydraulic assembly 104 is fixed inside the center connecting disc 101. Ten groups of hydraulic pipelines are connected to the hydraulic telescopic rod 204 to provide power for the adjusting action. When it is necessary to adapt to the tires with different tread widths or sidewall heights, the adjusting unit starts to work. The hydraulic telescopic rod 204 pushes the sliding block 211 to slide in the first sliding groove 202 of the sliding frame 201, so as to adjust the position of the fan-shaped sub-module 217 and change the profile shape of the fan-shaped block, without replacing the whole fan-shaped block. After being adjusted to the appropriate position, the locking unit plays a role. The clamping plate 212 is clamped to the surface of the sliding frame 201. The sliding block 211 is fixed through the threaded rod 213 and the locking nut 214, and the stability is improved. During the tire molding process, the elastic rubber buffer layer on the outer surface of the fan-shaped sub-module 217 can effectively disperse the pressure, avoid the tire surface to appear indentation or damage, improve the adhesion, and ensure the molding quality.
[0027] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A segment for a building drum for tyre production, comprising a connection mechanism (1) and a building mechanism (2), characterized in that: The forming mechanism (2) is fixedly connected to the side of the connecting mechanism (1); The forming mechanism (2) comprises an adjusting unit and a locking unit, the adjusting unit is arranged on the side of the connecting mechanism (1), and the locking unit is movably connected to the inside of the adjusting unit.
2. A segment for a building drum for tire production according to claim 1, characterized in that: The connecting mechanism (1) is composed of a center connecting disc (101), a connecting rod (102), a connecting disc (103) and a hydraulic assembly (104), the connecting rod (102) is fixedly connected to the top of the center connecting disc (101), the connecting disc (103) is fixedly connected to the bottom of the connecting rod (102), and the hydraulic assembly (104) is fixedly connected to the inner side of the center connecting disc (101).
3. A segment for a building drum for tire production according to claim 2, characterized in that: The adjusting unit is composed of a sliding frame (201), a first sliding groove (202), a second sliding groove (203) and a hydraulic telescopic rod (204), the sliding frame (201) is fixedly connected to the side of the center connecting disc (101), the first sliding groove (202) is arranged on the side of the sliding frame (201), the second sliding groove (203) is arranged on the upper and lower ends of the sliding frame (201), and the hydraulic telescopic rod (204) is movably connected to the side of the center connecting disc (101).
4. A segment for a building drum for tire production according to claim 3, characterized in that: The locking unit is composed of a sliding block (211), a clamping plate (212), a threaded rod (213), a locking nut (214), a connecting block (215), a connecting hole (216), a fan-shaped sub-module (217) and a connecting threaded hole (218), the sliding block (211) is fixedly connected to the extended end of the hydraulic telescopic rod (204) and is slidably connected to the inside of the first sliding groove (202), the clamping plate (212) is clamped to the surface of the sliding frame (201), the threaded rod (213) penetrates through the inside of the clamping plate (212) and the sliding block (211), the locking nut (214) is threadedly connected to the surface of the threaded rod (213), the connecting block (215) is fixedly connected to the outer side of the sliding block (211), the connecting hole (216) is arranged on the surface of the connecting block (215), the fan-shaped sub-module (217) is threadedly connected to the surface of the connecting block (215), and the connecting threaded hole (218) is arranged on the inner side of the fan-shaped sub-module (217).
5. A segment for a building drum for tire production according to claim 4, characterized in that: The hydraulic assembly (104) is provided with ten groups of hydraulic pipelines, and the hydraulic pipelines are in communication with the hydraulic telescopic rod (204).
6. A segment for a building drum for tire production according to claim 5, characterized in that: The adjusting unit and the locking unit are provided with ten groups and are distributed on the surface of the center connecting disc (101).
7. A segment for a building drum for tire production according to claim 6, characterized in that: An elastic rubber buffer layer is arranged on the outer surface of the fan-shaped sub-module (217).