Tire RFV straightening machine

By designing a tire straightening RFV machine, a heated block is used to soften the defective parts of the tire and a hydraulic cylinder is used to pull it down and shape it, which solves the problem of difficult tire straightening in the existing technology and achieves a straightening effect with high automation and multi-size adaptability.

CN224060442UActive Publication Date: 2026-03-31SHANDONG JINYU INDUSTRIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In the existing technology, it is difficult and ineffective to correct some repairable finished tires with poor RFV values, and there is a lack of professional correction equipment.

Method used

A tire RFV straightening machine was designed, comprising an upper support assembly and a lower support assembly. It uses a heating block to soften the defective parts of the tire, and a hydraulic cylinder drives the lower half drum to pull down and shape for straightening, adapting to tires of different specifications.

Benefits of technology

It achieves a high degree of automation in tire straightening, reduces labor intensity, and can adapt to the straightening needs of tires of different specifications.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224060442U_ABST
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Abstract

The utility model discloses a tire RFV straightening machine, which relates to the technical field of tire straightening equipment and comprises a bottom plate, an upper support component is arranged on the upper side of the bottom plate, and a lower support component is arranged on the lower side of the bottom plate; the upper supporting assembly comprises an upper half right drum, an upper half left drum, a guide rail and a sliding block, the upper half right drum is detachably connected with the bottom plate, the guide rail is transversely fixed to the top of the bottom plate, the upper half left drum is slidably installed on the guide rail through the sliding block and connected with a driving assembly, and the upper half left drum and the upper half right drum are arranged in a bilateral symmetry mode; the upper half left drum and the upper half right drum are respectively provided with a heating block for heating a tire seam allowance; the lower supporting assembly comprises a lower half drum and a first expansion piece, the outer diameter of the lower half drum is equal to that of the upper half right drum and that of the upper half left drum, and the lower half drum is connected with the bottom of the bottom plate through the first expansion piece; the equipment is simple in structure and high in automation degree, tires of different specifications can be corrected, and the labor intensity of a repairman is greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tire correction equipment technical field, concretely relates to a tire RFV correction machine. BACKGROUND

[0002] There are some repairable RFV value defective finished product tires in the production process, the part of finished product tire can be recovered through artificial correction, but the correction is difficult, and the artificial correction effect of part of tire is poor.

[0003] Therefore, it is urgent to develop a professional correction equipment. UTILITY MODEL CONTENT

[0004] The utility model discloses a tire RFV correction machine to solve the technical problems in the prior art.

[0005] The utility model discloses a technical scheme: a tire RFV correction machine, including the bottom plate, the bottom plate upside is equipped with the upper support subassembly, and the downside is equipped with the lower support subassembly.

[0006] The upper support subassembly includes the upper half right drum, the upper half left drum, the guide rail and the sliding block, the upper half right drum is detachably connected with the bottom plate, the guide rail is fixed horizontally at the top of the bottom plate, the upper half left drum is slidably installed on the guide rail through the sliding block, and is connected with the drive assembly, which is symmetrically arranged with the upper half right drum, the upper half left drum and the upper half right drum are all equipped with the heating block for heating the tire submouth.

[0007] The lower support subassembly includes the lower half drum and the first telescopic ware, the lower half drum is equal with the outer diameter of the upper half right drum and the upper half left drum, and is connected with the bottom of the bottom plate through the first telescopic ware.

[0008] Preferably, the heating block is provided with a groove matched with the tire submouth.

[0009] Preferably, the first telescopic ware is a hydraulic cylinder.

[0010] Preferably, the drive assembly includes a second telescopic ware fixed on the bottom plate, and the output end of the second telescopic ware is fixedly connected with the upper half left drum.

[0011] Preferably, the second telescopic ware is an electric cylinder.

[0012] Preferably, the lower support subassembly further includes two sets of guide assemblies respectively located on the left and right sides of the first telescopic ware, the guide assembly includes a guide rod and a guide sleeve slidably connected, the upper end of the guide rod is connected with the bottom of the bottom plate, and the lower end of the guide sleeve is connected with the lower half drum.

[0013] Preferably, the upper half right drum is fixed on the guide rail through the sliding block, and the upper half right drum and the upper half left drum are detachably connected with the sliding block through the connecting plate.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The device has simple structure, high automation degree, can correct different specifications of tires, and greatly reduces the labor intensity of repair workers; the device can replace different outer diameters of the lower half drum, the upper half right drum and the upper half left drum to adapt to different specifications of tires. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a three-dimensional view of the right side of the utility model.

[0018] In the figure: 1, bottom plate, 2, upper half right drum, 3, upper half left drum, 4, guide rail, 5, sliding block, 6, second extender, 7, heating block, 701, groove, 8, lower half drum, 9, first extender, 10, guide rod, 11, guide sleeve, 12, connecting plate, 13, fastening screw. DETAILED DESCRIPTION

[0019] The utility model is further described below in combination with the drawings and examples. Example one

[0020] Referring to Figures 1-2 As shown in the figure, a tire RFV correcting machine, comprising a bottom plate 1, the upper side of the bottom plate 1 is provided with an upper support assembly, and the lower side is provided with a lower support assembly.

[0021] The upper support assembly comprises an upper half right drum 2, an upper half left drum 3, a guide rail 4 and a sliding block 5, the upper half right drum 2 is detachably connected with the bottom plate 1, the guide rail 4 is fixed horizontally on the top of the bottom plate 1, the upper half left drum 3 is slidably installed on the guide rail 4 through the sliding block 5, and is connected with a driving assembly, which is symmetrically arranged with the upper half right drum 2; the upper half left drum 3 and the upper half right drum 2 are both provided with a heating block 7 for heating the tire sub-port; the heating block 7 is provided with a groove 701 matched with the tire sub-port.

[0022] The lower support assembly comprises a lower half drum 8 and a first extender 9, the outer diameter of the lower half drum 8 is equal to that of the upper half right drum 2 and the upper half left drum 3, and the lower half drum 8 is connected with the bottom of the bottom plate 1 through the first extender 9; the first extender 9 is a hydraulic cylinder.

[0023] The device can replace the lower half drum 8, the upper half right drum 2 and the upper half left drum 3 with different outer diameters to adapt to different specifications of tires; in use, first, according to the width of the defective tire, the left and right positions of the upper half left drum 3 are adjusted through the driving assembly to adjust the distance between the upper half left drum 3 and the upper half right drum 2; after adjustment, the tire is sleeved on the outside of the upper and lower supporting assemblies, the bead of the tire is located in the groove 701 of the upper half left drum 3 and the upper half right drum 2, and the defective point of the tire is located at the highest point; then, the two heating blocks 7 on the upper side heat the high point part of the tire bead, and when the heating temperature is reached, the hydraulic cylinder is started, the hydraulic rod is extended to drive the lower half drum 8 to move downward to pull down and shape the tire, so that the tire is corrected; after correction, the heating block 7 stops heating, the lower half drum 8 is reset, and the tire is taken off.

[0024] The purpose of heating is to soften the defective position of the tire first, which facilitates the subsequent pull-down shaping. Embodiment two

[0025] As a preferred embodiment of the utility model, the structure of the driving assembly is designed based on the embodiment one, in particular:

[0026] The driving assembly comprises a second extender 6 fixed on the bottom plate 1, and the output end of the second extender 6 is fixedly connected with the upper half left drum 3.

[0027] In order to ensure the adjustment accuracy of the left and right positions of the upper half left drum 3, the second extender 6 is an electric cylinder. Embodiment three

[0028] As a preferred embodiment of the utility model, the guiding assembly is additionally arranged based on the embodiment two, in particular:

[0029] The lower supporting assembly further comprises two sets of guiding assemblies respectively located on the left and right sides of the first extender 9, and each guiding assembly comprises a guiding rod 10 and a guiding sleeve 11 which are slidably connected, the upper end of the guiding rod 10 is connected with the bottom of the bottom plate 1, and the lower end of the guiding sleeve 11 is connected with the lower half drum 8.

[0030] When the hydraulic cylinder is extended and retracted, the guiding rod 10 and the guiding sleeve 11 slide relative to each other; the guiding assembly improves the stability of the lower half drum 8 when lifting. Embodiment four

[0031] As a preferred embodiment of the utility model, the mounting structure of the upper half right drum 2 and the upper half left drum 3 is designed based on the embodiment one, in particular:

[0032] Reference Figure 2As shown in the embodiment, the upper right drum 2 is fixed on the guide rail 4 through the sliding block 5, and the upper right drum 2 and the upper left drum 3 are detachably connected with the sliding block 5 through the connecting plate 12. The connecting plate 12 is installed on the sliding block 5 through a fastening screw, and is connected with the upper right drum 2 or the upper left drum 3 through a fastening screw 13.

[0033] When the upper right drum 2 and the upper left drum 3 are detached, only the fastening screw 13 between the two and the connecting plate 12 needs to be detached.

[0034] In summary, the device has simple structure, high automation, can correct different specifications of tires, and greatly reduces the labor intensity of repair workers; the device can replace different outer diameters of the lower drum 8, the upper right drum 2 and the upper left drum 3 to adapt to different specifications of tires.

[0035] The utility model is not limited to the above-mentioned implementation, within the knowledge range of the person skilled in the art, still can make various changes under the premise of not departing from the utility model's purpose, the changed content still belongs to the protection range of the utility model.

Claims

1. A tire RFV correction machine characterized by: The bottom plate is provided with an upper support assembly on the upper side and a lower support assembly on the lower side; The upper support assembly comprises an upper right half drum, an upper left half drum, a guide rail and a sliding block, the upper right half drum is detachably connected with the bottom plate, the guide rail is fixed horizontally on the top of the bottom plate, the upper left half drum is slidingly installed on the guide rail through the sliding block, and a driving assembly is connected and symmetrically arranged with the upper right half drum on the left and right; the upper left half drum and the upper right half drum are both provided with heating blocks for heating the tire sub-portions; The lower support assembly comprises a lower half drum and a first telescopic device, the outer diameter of the lower half drum is equal to that of the upper left half drum and the upper right half drum, and the lower half drum is connected with the bottom of the bottom plate through the first telescopic device.

2. A tire RFV correction machine according to claim 1, characterized in that: The heating block is provided with a groove matched with the tire sub-portions.

3. A tire RFV correction machine as in claim 1, wherein: The first telescopic device is a hydraulic cylinder.

4. A tire RFV correction machine according to claim 1, characterized in that: The driving assembly comprises a second telescopic device fixed on the bottom plate, and the output end of the second telescopic device is fixedly connected with the upper left half drum.

5. A tire RFV correction machine according to claim 4, characterized in that: The second telescopic device is an electric cylinder.

6. A tire RFV correction machine as defined in claim 1, wherein: The lower support assembly further comprises two sets of guide assemblies respectively located on the left and right sides of the first telescopic device, the guide assemblies comprise slidingly connected guide rods and guide sleeves, the upper end of the guide rod is connected with the bottom of the bottom plate, and the lower end of the guide sleeve is connected with the lower half drum.

7. A tire RFV correction machine as in claim 1, wherein: The upper right half drum is fixed on the guide rail through the sliding block, and the upper right half drum and the upper left half drum are detachably connected with the sliding block through connecting plates.