Inner tube mounting equipment

Abstract

The utility model discloses inner tube assembling equipment, which is used for assembling an inner tube of a tire in a full-automatic manner and comprises a tire conveying mechanism, a tire removing mechanism, an inner tube container, a first mechanical arm and a second mechanical arm, the tire removing mechanism is arranged between the two ends of the tire conveying mechanism, and is provided with a clamping jaw device which is movably opened and closed and is used for opening the outer tire in the radial direction of the outer tire, and a pushing piece which can horizontally move and is used for pushing the two ends of the inner tire into a groove of the outer tire; the inner tube container is placed on the side edge of the tire conveying mechanism and used for providing an inner tube to be assembled. The output end of the first mechanical arm is provided with a fixed gripper and a movable gripper which can move oppositely to realize opening and closing, and the fixed gripper and the movable gripper are used for gripping an inner tube and placing the inner tube in an expanded outer tube in the tire removing mechanism; the output end of the second mechanical arm is provided with a shaft-type support and a plurality of push plates which are arranged in the shaft-type support and can move in the radial direction, and all the push plates are synchronously unfolded in the radial direction of the shaft-type support so that all parts of the inner tube can be unfolded to be round and pushed into a groove of an outer tube.

Description

Technical Field

[0001] This utility model belongs to the field of tire assembly technology, and specifically refers to an inner tube loading device. Background Technology

[0002] The inner tube, also known as the tire liner, is a ring-shaped elastic tube with a valve stem used to maintain tire pressure. Its main function is to support the tire's shape and absorb vibrations for cushioning. The valve stem is used to inflate the inner tube and maintain a certain air pressure within it. The inner tube should possess good airtightness, heat resistance, elasticity, aging resistance, and minimal permanent deformation.

[0003] The current inner tube assembly process mainly involves manual placement of the outer tire at the assembly station, where a robotic arm spreads the outer tire to all four sides. Then, the inner tube is manually inserted and installed. It is evident that the mechanical structure of the existing equipment only functions as a "jig" during assembly, used to fix and spread the outer tire. This results in the current inner tube assembly process being primarily manual, leading to low production efficiency and a high dependence on manual skill and experience for tire assembly quality, resulting in a low yield rate. Utility Model Content

[0004] The main purpose of this utility model is to provide an inner tube assembly device that solves the problems existing in the prior art, and can automatically assemble tire inner tubes, thereby improving production efficiency and yield.

[0005] To achieve the above objectives, the solution of this utility model is:

[0006] An inner tube loading device includes a tire conveying mechanism, a tire-changing mechanism, an inner tube container, a first robotic arm, and a second robotic arm. The tire conveying mechanism has an input end and an output end for inputting an outer tire and outputting an assembled tire, respectively. The tire-changing mechanism is positioned between the two ends of the tire conveying mechanism and includes a movable, opening and closing gripper for spreading the outer tire radially, and a horizontally movable pusher for pushing the inner tube's ends into the grooves of the outer tire. The inner tube container is placed on the side of the tire conveying mechanism to provide the inner tube to be assembled. The output end of the first robotic arm has a fixed gripper and a movable gripper that can move in opposite directions to open and close, for gripping the inner tube and placing it into the spread outer tire in the tire-changing mechanism. The output end of the second robotic arm has a shaft-shaped support and several radially movable push plates disposed within the shaft-shaped support. Each push plate synchronously unfolds radially along the shaft-shaped support to spread the inner tube into a circle and push it into the groove of the outer tire.

[0007] The tire conveying mechanism includes two roller conveyors, which are respectively located at the input and output ends of the tire changing mechanism.

[0008] The tire-changing mechanism includes two belt conveyors connected to the tire conveying mechanism, and the pusher is movably fitted between the two belt conveyors; the claw device includes a pair of upper claws and a pair of lower claws symmetrically arranged on both sides of the pusher, and the upper claws and lower claws are respectively hooked onto the edge of the groove on the inner wall of the outer tire.

[0009] Preferably, the tire-removing mechanism further includes a lifting bracket for mounting the pusher, the pusher slidingly engaged with the lifting bracket in a horizontal direction.

[0010] Preferably, the tire-changing mechanism further includes a machine platform and two sliding supports that slide and cooperate with the machine platform in a horizontal direction and are symmetrically arranged; the lower chuck is fixed on the horizontal surface of the sliding support; the sliding support is provided with a column, and the upper chuck is lifted and cooperated with the column.

[0011] Preferably, the outer side of the belt conveyor is further provided with a horizontally movable roller, the horizontal movement direction of which is perpendicular to the conveying direction of the belt conveyor to enable entry into or exit from the upper surface of the belt conveyor, and the axis of the roller is perpendicular to the upper surface of the belt conveyor.

[0012] The inner tube loading equipment further includes a slide for supporting the inner tube container, the inner tube container being slidably fitted onto the upper surface of the slide.

[0013] Both the first and second robotic arms are omnidirectional robotic arms.

[0014] The output end of the first robotic arm is pivotally connected to a fixed bracket and a movable bracket that slides with the fixed bracket; the fixed gripper and the movable gripper are respectively installed on the lower surfaces of the fixed bracket and the movable bracket.

[0015] The output end of the second robotic arm is equipped with a connecting bracket, which is coaxially connected to the shaft-type bracket, and a lead screw motor is installed inside the connecting bracket; the output end of the lead screw motor is connected to a lead screw that passes through the shaft-type bracket; a movable block is threaded onto the lead screw; two movable connecting parts are provided between the movable block and each push plate; the opposite ends of the two movable connecting parts are respectively pivotally connected to the bottom wall inside the movable block and the shaft-type bracket, and the opposite ends of the two movable connecting parts are pivotally connected to the inner wall of the push plate, and protruding teeth are provided at their adjacent positions to achieve meshing.

[0016] After adopting the above technical solution, the present invention has the following technical effects:

[0017] This invention involves a tire conveying mechanism that inputs an outer tire, which, in conjunction with the inner tube inside the inner tube container, is then fed into the tire container. A tire-removing mechanism, a first robotic arm, and a second robotic arm perform the processes of fixing and opening the outer tire, inserting the inner tube, and assembling the inner and outer tires. The entire process is fully automated, achieving a high degree of automation and significantly improving production efficiency and yield. Specifically, the tire-removing mechanism's claw device and pushing component secure the outer tire and pre-fix the inner tube within it, providing a solid foundation for subsequent inner and outer tire assembly. This ensures a high assembly completion rate and avoids issues with incomplete inner tube assembly. Attached Figure Description

[0018] Figure 1 This is a perspective view of a specific embodiment of the present utility model;

[0019] Figure 2 This is a top view of a specific embodiment of the present utility model;

[0020] Figure 3 This is a front view of a specific embodiment of the present utility model;

[0021] Figure 4 This is a partial structural cross-sectional view of a specific embodiment of the present utility model;

[0022] Figure 5 This is a perspective view of the tire-changing mechanism according to a specific embodiment of the present utility model;

[0023] Figure 6 This is a perspective view of the first robotic arm according to a specific embodiment of the present utility model;

[0024] Figure 7 This is a perspective view of the second robotic arm according to a specific embodiment of the present invention;

[0025] Figure 8 This is a cross-sectional view of the second robotic arm portion of a specific embodiment of the present utility model;

[0026] Explanation of icon numbers:

[0027] 1-Tire conveying mechanism;

[0028] 2-Tire changing mechanism; 21-Claw device; 211-Upper claw; 212-Lower claw; 22-Pushing component; 23-Belt conveyor; 24-Lifting bracket; 25-Machine platform; 26-Sliding bracket; 261-Column; 27-Roller;

[0029] 3-Inner tube container;

[0030] 4-First robotic arm; 41-Fixed gripper; 42-Modible gripper; 43-Fixed support; 44-Modible support;

[0031] 5-Second robotic arm; 51-Shaft bracket; 52-Push plate; 53-Connecting bracket; 54-Screw motor; 55-Screw; 56-Moving block; 57-Moving connector; 571-Protruding tooth;

[0032] 6-Slide;

[0033] a-Outer tire; b-Inner tire. Detailed Implementation

[0034] To further explain the technical solution of this utility model, the following detailed description is provided through specific embodiments.

[0035] refer to Figure 1-8 As shown, this utility model discloses an inner tube loading device, including a tire conveying mechanism 1, a tire changing mechanism 2, an inner tube container 3, a first robotic arm 4, and a second robotic arm 5.

[0036] The input end and output end of the tire conveying mechanism 1 are used to input the outer tire a and output the assembled tire, respectively;

[0037] The tire-changing mechanism 2 is located between the two ends of the tire conveying mechanism 1, and is equipped with a movable opening and closing claw device 21 for spreading the outer tire a along the radial direction of the outer tire a, and a horizontally movable pusher 22 for pushing the two ends of the inner tire b into the groove of the outer tire a.

[0038] The inner tube container 3 is placed on the side of the tire conveying mechanism 1 to provide the inner tube b to be assembled;

[0039] The output end of the first robotic arm 4 is equipped with a fixed gripper 41 and a movable gripper 42 that can move in opposite directions to achieve opening and closing, for gripping the inner tube b and placing it into the outer tire a that is stretched open in the tire-removing mechanism 2.

[0040] The output end of the second robotic arm 5 is provided with a shaft-type bracket 51 and a number of push plates 52 that are radially movable and are located inside the shaft-type bracket 51. Each push plate 52 is simultaneously expanded radially along the shaft-type bracket 51 to open each part of the inner tube b into a circle and push it into the groove of the outer tube a.

[0041] Through the above scheme, the present invention uses a tire conveying mechanism 1 to input an outer tire a, which, together with an inner tire b in an inner tire container 3, is used to perform the following processes: fixing and opening the outer tire a, inserting the inner tire b, and assembling the inner and outer tires by a tire-changing mechanism 2, a first robotic arm 4, and a second robotic arm 5. The entire process is automated, achieving a high degree of automation, which greatly improves production efficiency and yield. In particular, the claw device 21 and the pusher 22 of the tire-changing mechanism 2 can fix the outer tire a and pre-fix the inner tire b inside the outer tire a, providing a good foundation for the subsequent inner and outer tire assembly process, thereby ensuring the completion rate of assembly and avoiding the problem of the inner tire b not being assembled properly.

[0042] The following are specific embodiments of the present invention.

[0043] The tire conveying mechanism 1 mentioned above includes two roller conveyors, which are respectively installed at the input end and the output end of the tire changing mechanism 2.

[0044] See Figure 5 The aforementioned tire-changing mechanism 2 includes two belt conveyors 23 connected to the tire conveying mechanism 1, and the pusher 22 is movably fitted between the two belt conveyors 23; the claw device 21 includes a pair of upper claws 211 and a pair of lower claws 212 symmetrically arranged on both sides of the pusher 22, and the upper claws 211 and lower claws 212 are respectively hooked onto the edge of the groove on the inner wall of the outer tire a, so that space can be made between them for the inner tire b to enter the groove.

[0045] In some embodiments of the tire-removing mechanism 2 described above, the tire-removing mechanism 2 further includes a lifting bracket 24 for mounting the pusher 22, the pusher 22 being slidably fitted onto the lifting bracket 24 in a horizontal direction. Thus, the pusher 22 also has the function of lifting and moving, which can avoid tire movement and prevent interference.

[0046] In some embodiments of the tire-changing mechanism 2 described above, the tire-changing mechanism 2 further includes a machine base 25 and two symmetrically arranged sliding supports 26 that slide horizontally on the machine base 25; the lower claw 212 is fixed on the horizontal surface of the sliding support 26; the sliding support 26 is provided with a column 261, and the upper claw 211 is raised and lowered on the column 261. Thus, synchronous horizontal movement of the upper claw 211 and the lower claw 212 on the same side can be achieved, and the height difference between the upper claw 211 and the lower claw 212 can be adjusted according to the actual tire size. When the upper claw 211 is raised, it can also avoid the movement of the tire, preventing interference.

[0047] In some embodiments of the tire-changing mechanism 2 described above, a horizontally movable roller 27 is also provided on the outer side of the conveyor belt 23. The horizontal movement direction of the roller 27 is perpendicular to the conveying direction of the conveyor belt 23 to allow it to enter or exit the upper surface of the conveyor belt 23, and the axis of the roller 27 is perpendicular to the upper surface of the conveyor belt 23. When the roller 27 enters the upper surface of the conveyor belt 23, it can support the circumference of the outer tire a, preventing the outer tire a from shaking during tire installation. In this embodiment, four rollers 27 are provided, located on both sides of the two sliding supports 26.

[0048] This invention also includes a slide 6 for supporting the inner tube container 3, with the inner tube container 3 slidably fitted onto the upper surface of the slide 6. Thus, the two ends of the slide 6 can be respectively set as the loading and feeding positions for the inner tube container 3, avoiding the need for manual labor or other mechanical devices to fill the inner tube container 3 within the range of motion of the first robotic arm 4, thereby improving production safety.

[0049] The first robotic arm 4 and the second robotic arm 5 mentioned above are both omnidirectional robotic arms, which can perform conventional actions such as lifting, horizontal movement and angle rotation at their output ends.

[0050] See Figure 6 The output end of the first robotic arm 4 is pivotally connected to a fixed bracket 43 and a movable bracket 44 that slides with the fixed bracket 43. A fixed gripper 41 and a movable gripper 42 are respectively mounted on the lower surfaces of the fixed bracket 43 and the movable bracket 44. The opening and closing of the fixed gripper 41 and the movable gripper 42 are achieved through their relative movement. When the fixed gripper 41 and the movable gripper 42 move away from each other, they can be tightly fitted onto the inner side of the inner tube b, tensioning the inner tube b into a shape similar to a racetrack. In subsequent processes, the two ends of the inner tube b can be aligned with the grooves of the outer tire a so that the pusher 22 can first engage these two ends within the grooves.

[0051] See Figure 7 and Figure 8 The output end of the second robotic arm 5 is equipped with a connecting bracket 53, which is coaxially connected to the shaft-type bracket 51. A lead screw motor 54 is installed inside the connecting bracket 53. The output end of the lead screw motor 54 is connected to a lead screw 55 that passes through the shaft-type bracket 51. A movable block 56 is threaded onto the lead screw 55. Two movable connecting parts 57 are provided between the movable block 56 and each push plate 52. The opposing ends of the two movable connecting parts 57 are pivotally fitted to the bottom walls of the movable block 56 and the shaft-type bracket 51, respectively, while the facing ends of the two movable connecting parts 57 are pivotally fitted to the inner walls of the push plates 52. Teeth 571 are provided at their adjacent points to achieve meshing. Therefore, by driving the movable block 56 with the lead screw motor 54, the push plates 52 can synchronously extend and retract on the circumference of the shaft-type bracket 51.

[0052] In the above, the moving parts in the equipment can be driven by mechanical devices such as motors, cylinders or hydraulic cylinders that can output linear reciprocating motion, and supplemented by guide rails or similar guide components to meet the stroke requirements.

[0053] In addition, protective railings can be added around the equipment of this utility model to prevent unauthorized personnel from entering or leaving the working area of ​​the robotic arm and to ensure production safety.

[0054] The workflow of this utility model is as follows:

[0055] (1) The tire conveying mechanism 1 delivers the outer tire a to the belt conveyor 23 of the tire changing mechanism 2. The roller 27 on the side of the belt conveyor 23 moves horizontally and abuts against the circumference of the outer tire a.

[0056] (2) The first robotic arm 4 grabs the inner tube b in the inner tube container 3, and the fixed gripper 41 and the movable gripper 42 move away from each other to stretch the inner tube b into a racetrack shape.

[0057] (3) The first robotic arm 4 vertically inserts the inner tube b into the outer tire a, and rotates the inner tube b 90° so that it is on the same plane as the outer tire a;

[0058] (4) The pusher 22 is raised to enter the inner tube b, and then moves horizontally to push the "runway ends" of the inner tube b into the groove of the outer tire a. Then the fixed gripper 41 and the movable gripper 42 move in opposite directions, and the output end of the first robotic arm 4 exits the inner tube b.

[0059] (5) The output end of the second robotic arm 5 enters the inner tube b, the lead screw motor 54 works, and through the linkage of the lead screw 55, the movable block 56 and the movable connecting piece 57, the push plate 52 is pushed out of the shaft bracket 51, and each position of the inner tube b is pushed into the groove of the outer tire a; then, the push plate 52 retracts back into the shaft bracket 51, and the output end of the second robotic arm 5 exits the inner tube b.

[0060] (6) Roller 27 resets, belt conveyor 23 works, and the assembled tire is sent out of tire-removing mechanism 2.

[0061] The above embodiments and figures are not intended to limit the product form and style of this utility model. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of this utility model.

Claims

1. An inner tube loading device, characterized in that: It includes a tire delivery mechanism, a tire-changing mechanism, an inner tube container, a first robotic arm, and a second robotic arm; The input and output ends of the tire conveying mechanism are used to input the outer tire and output the assembled tire, respectively. The tire-changing mechanism is located between the two ends of the tire conveying mechanism and is equipped with a movable and closable claw device for spreading the outer tire along the radial direction of the outer tire, and a horizontally movable pusher for pushing the two ends of the inner tire into the groove of the outer tire. The inner tube container is placed on the side of the tire delivery mechanism to provide the inner tube to be assembled; The output end of the first robotic arm is equipped with a fixed gripper and a movable gripper that can move in opposite directions to open and close, for gripping the inner tube and placing it into the outer tire that is stretched open in the tire-removing mechanism; The output end of the second robotic arm is provided with a shaft-shaped bracket and several push plates that are radially movable and are located inside the shaft-shaped bracket. Each push plate is simultaneously expanded radially along the shaft-shaped bracket to open each part of the inner tube into a circle and push it into the groove of the outer tire.

2. The inner tube loading equipment as described in claim 1, characterized in that: The tire conveying mechanism includes two roller conveyors, which are respectively located at the input and output ends of the tire changing mechanism.

3. The inner tube loading equipment as described in claim 1, characterized in that: The tire-changing mechanism includes two belt conveyors connected to the tire conveying mechanism, and the pusher is movably fitted between the two belt conveyors; the claw device includes a pair of upper claws and a pair of lower claws symmetrically arranged on both sides of the pusher, and the upper claws and lower claws are respectively hooked onto the edge of the groove on the inner wall of the outer tire.

4. The inner tube loading equipment as described in claim 3, characterized in that: The tire-removing mechanism also includes a lifting bracket for mounting the pusher, the pusher slidingly fitted on the lifting bracket in a horizontal direction.

5. The inner tube loading equipment as described in claim 3, characterized in that: The tire-changing mechanism also includes a machine platform and two symmetrically arranged sliding supports that slide and engage with the machine platform in a horizontal direction; the lower chuck is fixed to the horizontal surface of the sliding support; the sliding support is provided with a column, and the upper chuck is raised and lowered to engage with the column.

6. The inner tube loading equipment as described in claim 3, characterized in that: The outer side of the belt conveyor is also provided with a horizontally movable roller. The horizontal movement direction of the roller is perpendicular to the conveying direction of the belt conveyor so as to enter or exit the upper surface of the belt conveyor, and the axis of the roller is perpendicular to the upper surface of the belt conveyor.

7. The inner tube loading equipment as described in claim 1, characterized in that: It also includes a slide for supporting the inner tube container, the inner tube container being slidably fitted on the upper surface of the slide.

8. The inner tube loading equipment as described in claim 1, characterized in that: Both the first and second robotic arms are omnidirectional robotic arms.

9. The inner tube loading equipment as described in claim 1, characterized in that: The output end of the first robotic arm is pivotally connected to a fixed bracket and a movable bracket that slides with the fixed bracket; the fixed gripper and the movable gripper are respectively installed on the lower surfaces of the fixed bracket and the movable bracket.

10. The inner tube loading equipment as described in claim 1, characterized in that: The output end of the second robotic arm is equipped with a connecting bracket, which is coaxially connected to the shaft-type bracket, and a lead screw motor is installed inside the connecting bracket; the output end of the lead screw motor is connected to a lead screw that passes through the shaft-type bracket; a movable block is threaded onto the lead screw; two movable connecting parts are provided between the movable block and each push plate; the opposite ends of the two movable connecting parts are respectively pivotally connected to the bottom wall inside the movable block and the shaft-type bracket, and the opposite ends of the two movable connecting parts are pivotally connected to the inner wall of the push plate, and protruding teeth are provided at their adjacent positions to achieve meshing.

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