Tire blank pattern grooving robot

Abstract

The utility model relates to the technical field of industrial robots, in particular to a tire blank pattern grooving robot. Comprising a bottom plate, a servo rotary table and an auxiliary mechanism, the auxiliary mechanism comprises a supporting arm, a bearing seat, a transmission shaft, a spacer bush, a first rotating arm, a second rotating arm, a first driving device and a second driving device, and during machining, the first driving device acts to directly drive the transmission shaft to rotate, so that the first rotating arm is driven to swing; the first driving device and the transmission shaft are in direct connection transmission, and the second driving device and the second swing arm are in direct connection transmission, so that compared with a traditional synchronous belt transmission structure, the transmission structure is more stable, and the transmission efficiency is improved. Therefore, a transmission mechanism of an existing pattern grooving robot is optimized, the transmission effect is improved, accurate positioning of a cutter is facilitated, and the product machining precision is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial robots, in particular to a robot for engraving grooves on the tread of a tire embryo. Background Art

[0002] An industrial robot is a multi-joint manipulator or a multi-degree-of-freedom machine device widely used in the industrial field. It has a certain degree of automation and can realize various industrial processing and manufacturing functions relying on its own power source and control ability. Industrial robots are widely used in various industrial fields such as machinery, electronics, logistics, auto parts, and chemical industry.

[0003] Currently, when processing the tread pattern of giant meridian engineering tires, a robot for engraving grooves drives a tool to move to achieve processing, which is beneficial to improving the processing efficiency.

[0004] However, for traditional robots for engraving grooves, both their rotation and swing transmissions are carried out through synchronous belts. And the synchronous belt transmission must rely on gears or racks to ensure the normal operation of the synchronous belt. However, due to reasons such as errors in transmission or shaft deviations, the engagement between the synchronous belt and the gear or rack may generate errors, resulting in inaccurate transmission. Especially during high-speed transmission, this kind of error may be more obvious, affecting the transmission effect, seriously affecting the tool positioning accuracy, and making the product processing accuracy poor. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a robot for engraving grooves on the tread of a tire embryo, aiming to optimize the transmission mechanism of the existing robot for engraving grooves, improve the transmission effect, facilitate the accurate positioning of the tool, and ensure the product processing accuracy.

[0006] To achieve the above purpose, the utility model provides a robot for engraving grooves on the tread of a tire embryo, which includes a bottom plate and a servo turntable. The servo turntable is fixedly connected to the bottom plate and is located on the bottom plate. It also includes an auxiliary mechanism;

[0007] The auxiliary mechanism includes a support arm, a bearing seat, a transmission shaft, a spacer, a first rotating arm, a second rotating arm, a first driving device, and a second driving device. The support arm is fixedly connected to the servo turntable and is located on the turntable of the servo turntable. The bearing seat is fixedly connected to the support arm and is located on the support arm. The transmission shaft is rotatably connected to the bearing seat and is located between the bearing seats. The spacer is sleeved on the transmission shaft. The first rotating arm is sleeved outside the transmission shaft through a flat key and is located between the spacers. The second rotating arm is arranged on one side of the first rotating arm. The first driving device is arranged on the support arm close to the transmission shaft side. The second driving device is arranged on the first rotating arm close to the second rotating arm side.

[0008] Among them, the first driving device includes a fixing frame and a first servo motor. The fixing frame is fixedly connected to the support arm and is located on one side of the support arm. The first servo motor is fixedly connected to the fixing frame. The output shaft of the first servo motor is connected to the transmission shaft through a rigid coupling and is located on the fixing frame.

[0009] Among them, the second driving device includes a second servo motor and a mounting disc. The second servo motor is fixedly connected to the first rotating arm. The output shaft of the second servo motor is connected to the second rotating arm through a rigid coupling and is located on the side of the first rotating arm away from the support arm. The mounting disc is fixedly installed on the second rotating arm, and a cutting tool is installed on the mounting disc.

[0010] Among them, a tread detection mechanism is provided on the second rotating arm.

[0011] Among them, the auxiliary mechanism further includes a support frame and a blower. The support frame is fixedly connected to the fixing frame and is located at the rear of the fixing frame. The blower is fixedly connected to the support frame and is located on the support frame.

[0012] A tread embryo pattern grooving robot of the present utility model, the bottom plate is used for fixing the robot, the servo turntable is installed on the bottom plate, the support arm is installed on the top of the turntable of the servo turntable, the bearing seats are installed on both sides of the support arm, the transmission shaft is rotatably connected to the bearing seats, the spacer sleeve is sleeved on the transmission shaft, the first rotating arm is sleeved outside the transmission shaft through a flat key, the second rotating arm is arranged on one side of the first rotating arm, the first driving device is arranged on the side of the support arm close to the transmission shaft, the second driving device is arranged on the side of the first rotating arm close to the second rotating arm. During processing, the first driving device acts to directly drive the transmission shaft to rotate, thereby driving the first rotating arm to swing. The second driving device acts to directly drive the second swinging arm to swing to achieve tool positioning. In this application, the first driving device and the transmission shaft adopt direct connection transmission, and the second driving device and the second swinging arm adopt direct connection transmission. Compared with the traditional synchronous belt transmission structure, it will be more stable, thereby optimizing the transmission mechanism of the existing pattern grooving robot, improving the transmission effect, facilitating accurate tool positioning, and ensuring the product processing accuracy. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0014] Figure 1 It is a schematic diagram of the overall structure of the tread embryo pattern grooving robot according to the first embodiment of the present utility model.

[0015] Figure 2 It is a schematic diagram of the structure of the transmission shaft according to the first embodiment of the present utility model.

[0016] Figure 3 It is a schematic diagram of the overall structure of the embryo pattern grooving robot according to the second embodiment of the present utility model.

[0017] In the figure: 101 - bottom plate, 102 - servo turntable, 103 - support arm, 104 - bearing seat, 105 - transmission shaft, 106 - spacer sleeve, 107 - first rotating arm, 108 - second rotating arm, 109 - fixing frame, 110 - first servo motor, 111 - second servo motor, 112 - mounting plate, 113 - tread detection mechanism, 201 - support frame, 202 - fan. Specific embodiments

[0018] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as a limitation to the present utility model.

[0019] Embodiment 1:

[0020] As Figure 1 and Figure 2 shown, among which Figure 1 is a schematic diagram of the overall structure of the embryo pattern grooving robot, Figure 2 is a schematic diagram of the structure of the transmission shaft 105. The present utility model provides an embryo pattern grooving robot: including a bottom plate 101, a servo turntable 102 and an auxiliary mechanism. The auxiliary mechanism includes a support arm 103, a bearing seat 104, a transmission shaft 105, a spacer sleeve 106, a first rotating arm 107, a second rotating arm 108, a first driving device and a second driving device. The first driving device includes a fixing frame 109 and a first servo motor 110. The second driving device includes a second servo motor 111 and a mounting plate 112. Through the foregoing solution, the transmission mechanism of the existing pattern grooving robot can be optimized, the transmission effect can be improved, it is beneficial for the tool to be accurately positioned, and the product processing accuracy can be guaranteed. It can be understood that the foregoing solution can optimize and improve the transmission mechanism of the existing pattern grooving robot, can improve the transmission effect, is beneficial for the tool to be accurately positioned, and can guarantee the product processing accuracy.

[0021] In this embodiment, the servo turntable 102 is fixedly connected to the bottom plate 101 and is located on the bottom plate 101. Mounting holes are provided on the bottom plate 101 to facilitate the installation and fixation of the robot through anchor bolts. The model of the servo turntable 102 is Hero900, and it is installed on the bottom plate 101 through a positioning pin and bolts, and is driven by a servo motor with a servo encoder and a brake mechanism.

[0022] Among them, the support arm 103 is fixedly connected to the servo turntable 102 and is located on the turntable of the servo turntable 102. The bearing seat 104 is fixedly connected to the support arm 103 and is located on the support arm 103. The transmission shaft 105 is rotatably connected to the bearing seat 104 and is located between the bearing seats 104. The spacer sleeve 106 is sleeved on the transmission shaft 105. The first rotating arm 107 is sleeved on the outer side of the transmission shaft 105 through a flat key and is located between the spacer sleeves 106. The second rotating arm 108 is arranged on one side of the first rotating arm 107. The first driving device is arranged on the side of the support arm 103 close to the transmission shaft 105. The second driving device is arranged on the side of the first rotating arm 107 close to the second rotating arm 108. The bottom connecting plate of the support arm 103 is installed on the turntable of the servo turntable 102 through a positioning pin and bolts. The bearing seat 104 is installed on both sides of the top of the support arm 103 through bolts. The cross-section of the bearing seat 104 is T-shaped. The inner bearing installation hole of the left bearing seat 104 is a through stepped hole, and the bearing installation hole of the right bearing seat 104 is not through. Both the left and right sides of the transmission shaft 105 are stepped shafts. The spacer sleeve 106 can be directly sleeved on the transmission shaft 105. A keyway is provided in the inner cavity of the cylindrical installation end of the first rotating arm 107. The second rotating arm 108 is arranged on one side of the first rotating arm 107 for tool fixing. The first driving device is arranged on the side of the support arm 103 close to the transmission shaft 105 for driving the first rotating arm 107 to rotate. The second driving device is arranged on the side of the first rotating arm 107 close to the second rotating arm 108 for driving the second rotating arm 108 to rotate. When installing the first rotating arm 107, first, install the right bearing seat 104. Then, place the installation part of the first rotating arm 107 into the installation cavity of the support arm 103 and set one of the spacer sleeves 106 on the right side. Then, install the flat key on the transmission shaft 105. Further, pass the transmission shaft 105 through the installation part of the first rotating arm 107 and the spacer sleeve 106 in sequence from the through hole on the left support arm 103. During installation, the flat key cooperates with the inner cavity chute of the installation part of the first rotating arm 107. Finally, the right end is limited by the rotating bearing on the right bearing seat 104. The spacer sleeve 106 is used to abut against the inner ring of the bearing. Then, after sleeving the spacer sleeve 106 on the left side, install the left bearing seat 104 through bolts to support and limit the left side installation of the transmission shaft 105.

[0023] Secondly, the fixing bracket 109 is fixedly connected to the support arm 103 and is located on one side of the support arm 103; the first servo motor 110 is fixedly connected to the fixing bracket 109, and the output shaft of the first servo motor 110 is connected to the transmission shaft 105 through a rigid coupling and is located on the fixing bracket 109. The fixing bracket 109 is installed on the support arm 103 through a positioning pin and bolts. The first servo motor 110 is equipped with a brake mechanism and an encoder, which is convenient for shaft locking and position control. It is installed on the fixing bracket 109 through bolts, and the output shaft of the first servo motor 110 will be connected to the transmission shaft 105 through a rigid coupling.

[0024] Then, the second servo motor 111 is fixedly connected to the first rotating arm 107, and the output shaft of the second servo motor 111 is connected to the second rotating arm 108 through a rigid coupling and is located on the side of the first rotating arm 107 away from the support arm 103; the mounting plate 112 is fixedly installed on the second rotating arm 108, and a cutting tool is installed on the mounting plate 112. The second servo motor 111 is installed on the first rotating arm 107 through bolts. The second servo motor 111 is equipped with a brake mechanism and an encoder, which is convenient for shaft locking and position control. The output shaft of the second servo motor 111 is connected to the end of the connecting shaft of the second rotating arm 108 through a rigid coupling. A bearing support is provided in the mating hole between the end of the connecting shaft of the second rotating arm 108 and the first rotating arm 107. A maintenance port is provided at the top of the first rotating arm 107 for convenient connection and installation of the coupling. The mounting plate 112 is installed on the second rotating arm 108, and a machining tool is installed on the mounting plate 112.

[0025] Finally, a tread detection mechanism 113 is provided on the second rotating arm 108. The tread detection mechanism 113 calculates the deformation amount of the tire tread through a laser sensor, effectively reducing the error of the grooving depth.

[0026] When using the present utility model to optimize the transmission mechanism of the existing pattern grooving robot, improve the transmission effect, facilitate the accurate positioning of the tool, and ensure the machining accuracy of the product, during machining, the servo turntable 102 operates, which can drive the support arm 103 to rotate. The first servo motor 110 operates, which can directly drive the transmission shaft 105 to rotate, thereby driving the first swing arm 107 to swing. The second servo motor 111 operates to directly drive the second swing arm 108 to swing, realizing tool positioning. In the present application, the first driving device and the transmission shaft 105 adopt direct connection transmission, and the second driving device and the second swing arm 108 adopt direct connection transmission. Compared with the traditional synchronous belt transmission structure, it will be more stable, and further optimize the transmission mechanism of the existing pattern grooving robot, improve the transmission effect, facilitate the accurate positioning of the tool, and ensure the machining accuracy of the product.

[0027] Embodiment 2:

[0028] As Figure 3 shown, wherein Figure 3 is a schematic diagram of the overall structure of the tire embryo pattern grooving robot. On the basis of the first embodiment, the present utility model provides a tire embryo pattern grooving robot, and the auxiliary mechanism further includes a support frame 201 and a blower 202.

[0029] Wherein, the support frame 201 is fixedly connected to the fixed frame 109 and is located at the rear side of the fixed frame 109; the blower 202 is fixedly connected to the support frame 201 and is located on the support frame 201. The support frame 201 is fixed to the fixed frame 109 by bolts, and the connecting ears on the housing of the blower 202 are installed on the support frame 201 by bolts. Since it is very dangerous for the driving motor inside to drive the rotating blades to rotate when the blower 202 is working, protective wire meshes are respectively installed on the rear side and the front side of the blower 202 to facilitate ventilation and provide safety protection.

[0030] In this embodiment, by providing the support frame 201 and the blower 202, the first servo motor 110 can be cooled during operation, which is beneficial to ensuring the stable and long-term operation of the robot.

[0031] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A tire embryo pattern grooving robot, comprising a bottom plate and a servo turntable. The servo turntable is fixedly connected to the bottom plate and is located on the bottom plate. It is characterized in that, it further comprises an auxiliary mechanism; The auxiliary mechanism includes a support arm, a bearing seat, a transmission shaft, a spacer sleeve, a first rotating arm, a second rotating arm, a first driving device and a second driving device. The support arm is fixedly connected to the servo turntable and is located on the turntable of the servo turntable. The bearing seat is fixedly connected to the support arm and is located on the support arm. The transmission shaft is rotatably connected to the bearing seat and is located between the bearing seats. The spacer sleeve is sleeved on the transmission shaft. The first rotating arm is sleeved on the outside of the transmission shaft through a flat key and is located between the spacer sleeves. The second rotating arm is arranged on one side of the first rotating arm. The first driving device is arranged on the side of the support arm close to the transmission shaft. The second driving device is arranged on the side of the first rotating arm close to the second rotating arm.

2. The tire embryo pattern grooving robot according to claim 1, characterized in that, The first driving device includes a fixing frame and a first servo motor. The fixing frame is fixedly connected to the support arm and is located on one side of the support arm. The first servo motor is fixedly connected to the fixing frame. The output shaft of the first servo motor is connected to the transmission shaft through a rigid coupling and is located on the fixing frame.

3. The tire embryo pattern grooving robot according to claim 1, characterized in that, The second driving device includes a second servo motor and a mounting plate. The second servo motor is fixedly connected to the first rotating arm. The output shaft of the second servo motor is connected to the second rotating arm through a rigid coupling and is located on the side of the first rotating arm away from the support arm. The mounting plate is fixedly installed on the second rotating arm, and a tool is installed on the mounting plate.

4. The tire embryo pattern grooving robot according to claim 1, characterized in that, A tread detection mechanism is arranged on the second rotating arm.

5. The tire embryo pattern grooving robot according to claim 2, characterized in that, The auxiliary mechanism further includes a support frame and a blower. The support frame is fixedly connected to the fixing frame and is located at the rear of the fixing frame. The blower is fixedly connected to the support frame and is located on the support frame.

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