Six-degree-of-freedom tire levelness adjusting mechanism

Abstract

The utility model relates to the technical field of tire processing, in particular to a six-degree-of-freedom tire levelness adjusting mechanism which comprises a platform body and a positioning assembly, the positioning assembly comprises a driving component, a connecting sleeve, a disc, a sleeve, a telescopic component and a contact plate, the connecting sleeve is fixedly connected with the platform body and located at the top of the platform body, and the disc is arranged on the connecting sleeve. The disc is fixedly connected with the connecting sleeve and located on the side, away from the platform body, of the connecting sleeve, the sleeve is connected with the platform body through the driving component, the driving component is installed on the platform body and drives the sleeve to move, the contact plate is connected with the sleeve through the telescopic component, and the telescopic component is installed on the sleeve and supports the contact plate. The problems that a tire needs to be centered and positioned during machining, and a six-degree-of-freedom platform in the prior art is not provided with a positioning mechanism, so that the tire cannot be centered and positioned conveniently are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tire processing, in particular to a mechanism for adjusting the level of a tire with six degrees of freedom. Background Art

[0002] A six-degree-of-freedom platform is a mechanical device with six degrees of freedom. By controlling the degrees of freedom of the platform, any attitude and position of the platform can be achieved. When the six-degree-of-freedom platform is applied in tire processing, the level of the tire can be ensured.

[0003] The prior art CN211565896U discloses a high-precision six-degree-of-freedom platform, which includes an upper platform, a lower platform, and three sets of electric cylinder drive groups. The distribution angle of the upper platform is 6.6°, and the distribution angle of the lower platform is 16.9°. Hinge point circles are formed on the bottom surface of the upper platform and the top surface of the lower platform. Three hinge shafts are arranged along the hinge circle on the bottom surface of the upper platform. Each electric cylinder drive group includes two servo electric cylinders. The bottom of each servo electric cylinder is connected to the hinge point circle through a Hooke hinge, and the tops of every two servo electric cylinders are connected to one hinge shaft. The utility model has the characteristics of smooth movement, high positioning accuracy, and gapless angle conversion, and thus is relatively stable in use.

[0004] For the six-degree-of-freedom platform in the prior art, since the tire needs to be centered during processing, and the six-degree-of-freedom platform in the prior art does not have a positioning mechanism, it is not convenient to center the tire. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a mechanism for adjusting the level of a tire with six degrees of freedom, which solves the problem that since the tire needs to be centered during processing, and the six-degree-of-freedom platform in the prior art does not have a positioning mechanism, it is not convenient to center the tire.

[0006] To achieve the above purpose, the utility model provides a mechanism for adjusting the level of a tire with six degrees of freedom, which includes a platform body and a positioning component. The positioning component includes a driving member, a connecting sleeve, a disc, a sleeve, a telescopic member, and a contact plate. The connecting sleeve is fixedly connected to the platform body and is located on the top of the platform body. The disc is fixedly connected to the connecting sleeve and is located on the side of the connecting sleeve away from the platform body. The sleeve is connected to the platform body through the driving member. The driving member is installed on the platform body and drives the sleeve to move. The contact plate is connected to the sleeve through the telescopic member. The telescopic member is installed on the sleeve and supports the contact plate.

[0007] Among them, the driving member includes a driving motor and a driving screw. The driving motor is fixedly connected to the platform body and is located on the side of the platform body away from the connecting sleeve. The driving screw is fixedly connected to the output shaft of the driving motor, is rotatably connected to the platform body, and is threadedly connected to the sleeve.

[0008] Among them, the telescopic member includes a fixed arm, an inclined rod, and a movable arm. The fixed arm is fixedly connected to the sleeve and is located outside the sleeve. The movable arm is connected to the fixed arm through the inclined rod. Two ends of the inclined rod are respectively rotatably connected to the fixed arm and the movable arm. The contact plate is fixedly installed on the movable arm.

[0009] Among them, the telescopic member further includes a slider. The slider is fixedly connected to the movable arm and is slidably connected to the disc.

[0010] Among them, the disc has a limiting groove, and the limiting groove is located on the side of the disc close to the movable arm. The slider has a groove, and the groove cooperates with the limiting groove.

[0011] A six-degree-of-freedom mechanism for adjusting the level of a tire according to the present utility model includes a platform body and a positioning assembly. The positioning assembly includes a driving member, a connecting sleeve, a disc, a sleeve, a telescopic member, and a contact plate. The connecting sleeve is fixedly connected to the platform body and is located on the top of the platform body. The disc is fixedly connected to the connecting sleeve and is located on the side of the connecting sleeve away from the platform body. The sleeve is connected to the platform body through the driving member. The driving member is installed on the platform body and drives the sleeve to move. The contact plate is connected to the sleeve through the telescopic member. The telescopic member is installed on the sleeve and supports the contact plate, solving the problem that since the tire needs to be centered during processing, the six-degree-of-freedom platform in the prior art does not have a positioning mechanism and cannot conveniently center the tire. Description of the Drawings

[0012] 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 the description of the embodiments or the prior art.

[0013] Figure 1 It is a schematic diagram of the overall structure of the six-degree-of-freedom mechanism for adjusting the level of a tire according to the first embodiment of the present utility model.

[0014] Figure 2 It is a schematic diagram of the structure of the telescopic member according to the first embodiment of the present utility model.

[0015] Figure 3It is a schematic diagram of the overall structure of the six-degree-of-freedom mechanism for adjusting the tire level in the second embodiment of the present utility model.

[0016] In the figure: 101 - platform body, 102 - connecting sleeve, 103 - disc, 104 - sleeve, 105 - driving motor, 106 - driving screw, 107 - fixed arm, 108 - inclined rod, 109 - movable arm, 110 - contact plate, 111 - slider, 201 - limiting groove, 202 - groove. Specific implementation mode

[0017] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model and should not be construed as limiting the present utility model.

[0018] The first embodiment of this application is:

[0019] Please refer to Figure 1 and Figure 2 , Figure 1 It is a schematic diagram of the overall structure of the six-degree-of-freedom mechanism for adjusting the tire level in the first embodiment of the present utility model, Figure 2 It is a schematic diagram of the structure of the telescopic member in the first embodiment of the present utility model.

[0020] The six-degree-of-freedom mechanism for adjusting the tire level of the present utility model includes a platform body 101, a connecting sleeve 102, a disc 103, a sleeve 104, a driving motor 105, a driving screw 106, a fixed arm 107, an inclined rod 108, a movable arm 109, a contact plate 110, and a slider 111, which solves the problem that since the tire needs to be centered during processing, and the six-degree-of-freedom platform of the prior art does not have a positioning mechanism and cannot conveniently center the tire. It can be understood that the foregoing solution can also be used to improve the convenience problem.

[0021] In this embodiment, the platform body 101 is a six-degree-of-freedom platform of the prior art, including an upper platform, a lower platform, and three electric cylinder drive groups. Hinge point circles are formed on the bottom surface of the upper platform and the top surface of the lower platform. Three hinge shafts are arranged along the hinge circle on the bottom surface of the upper platform. Each electric cylinder drive group includes two servo electric cylinders. The bottom of each servo electric cylinder is connected to the hinge point circle through a Hooke hinge, and the tops of every two servo electric cylinders are connected to a hinge shaft. It is installed on the platform body 101 through the positioning component, which is convenient for centering the tire, thus solving the problem that since the tire needs to be centered during processing, and the six-degree-of-freedom platform of the prior art does not have a positioning mechanism and cannot conveniently center the tire.

[0022] Among them, the connecting sleeve 102 is fixedly connected to the platform body 101 and is located at the top of the platform body 101. The disc 103 is fixedly connected to the connecting sleeve 102 and is located on the side of the connecting sleeve 102 away from the platform body 101. The sleeve 104 is connected to the platform body 101 through the driving member. The driving member is installed on the platform body 101 and drives the sleeve 104 to move. The contact plate 110 is connected to the sleeve 104 through the telescopic member. The telescopic member is installed on the sleeve 104 and supports the contact plate 110. The connecting sleeve 102 is a hollow cylinder, installed on the top surface of the upper platform of the platform body 101 and located at the central position of the upper platform. The disc 103 is fixedly installed on the top of the connecting sleeve 102. A through hole is provided at the center of the disc 103. The connecting sleeve 102 plays a supporting role for the disc 103. The sleeve 104 is a cylinder, and an internally threaded through hole is provided inside. The number of telescopic members is three groups, and the three groups of telescopic members are arranged in a circular array on the outside of the sleeve 104. The number of contact plates 110 is three, which are respectively installed on the three groups of telescopic members. The driving member can drive the sleeve 104 to move vertically. Taking the sleeve 104 as the driving core, the driving member drives the sleeve 104 to move vertically. Under the action of the telescopic member, the three contact plates 110 are driven to expand outward synchronously, so as to realize the centering positioning of the tire, and solve the problem that since the tire needs to be centered during processing, the six-degree-of-freedom platform of the prior art does not have a positioning mechanism and cannot conveniently center the tire.

[0023] Secondly, the driving motor 105 is fixedly connected to the platform body 101 and is located on the side of the platform body 101 away from the connecting sleeve 102; the driving screw 106 is fixedly connected to the output shaft of the driving motor 105, is rotatably connected to the platform body 101, and is threadedly connected to the sleeve 104. The driving motor 105 is fixed to the bottom of the upper platform of the platform body 101 by bolts. An installation hole is provided at the central position of the upper platform of the platform body 101. The driving screw 106 passes through the installation hole and is connected to the upper platform of the platform body 101 through a bearing. The bottom end of the driving screw 106 is fixedly connected to the output shaft of the driving motor 105. The upper end of the driving screw 106 extends into the threaded through hole of the sleeve 104 to achieve threaded connection with the sleeve 104. The driving motor 105 is equipped with a matching controller. Through the controller, the driving motor 105 can act in accordance with the set direction, speed, and time. By driving the driving screw 106 to rotate through the driving motor 105, the sleeve 104 is driven to rise and fall.

[0024] Meanwhile, the fixed arm 107 is fixedly connected to the sleeve 104 and is located outside the sleeve 104; the movable arm 109 is connected to the fixed arm 107 through the diagonal rod 108. Both ends of the diagonal rod 108 are rotatably connected to the fixed arm 107 and the movable arm 109 respectively. The contact plate 110 is fixedly installed on the movable arm 109. The fixed arm 107 is vertically installed outside the sleeve 104. The number of the diagonal rods 108 is two. Both ends of the diagonal rod 108 are rotatably connected to the fixed arm 107 and the movable arm 109 respectively through pins. The fixed arm 107, the diagonal rod 108 and the movable arm 109 form a parallelogram structure. Through the fixed arm 107, the diagonal rod 108 and the movable arm 109, the contact plate 110 can be supported and can perform horizontal expansion and contraction at the same time.

[0025] In addition, the slider 111 is fixedly connected to the movable arm 109 and is slidably connected to the disc 103. The slider 111 is a rectangular block and the number is three, which are respectively installed at the bottom of the movable arm 109. The slider 111 is limited by the disc 103 and can only move along a fixed track. Through the slider 111, the contact plate 110 is limited, and at the same time, the sleeve 104 is limited to prevent the sleeve 104 from rotating with the rotation of the driving screw 106.

[0026] In this embodiment, during use, the tire is sleeved outside the three contact plates 110, and then the driving motor 105 is controlled to act, so that the driving screw 106 drives the sleeve 104 to move downward. Under the cooperation of the fixed arm 107, the diagonal rod 108 and the movable arm 109, the three contact plates 110 are driven to expand outwards synchronously until they abut against the inner ring of the tire, realizing the centering positioning of the tire, thus solving the problem that since the tire needs to be centered during processing, and the six-degree-of-freedom platform in the prior art does not have a positioning mechanism and cannot conveniently center the tire.

[0027] The second embodiment of the present application is as follows:

[0028] Please refer to Figure 3 , Figure 3 which is the overall structural schematic diagram of the six-degree-of-freedom mechanism for adjusting the tire level in the second embodiment of the present invention. On the basis of the first embodiment, the six-degree-of-freedom mechanism for adjusting the tire level in this embodiment further includes a limit groove 201 and a groove 202.

[0029] In this embodiment, the disc 103 has a limit groove 201, and the slider 111 has a groove 202. Through the foregoing solution, the sliding connection between the slider 111 and the disc 103 can be realized.

[0030] Among them, the limiting groove 201 is located on one side of the disc 103 close to the movable arm 109; the groove 202 cooperates with the limiting groove 201. The limiting groove 201 penetrates through the disc 103 and there are three groups of them, extending outward with the driving screw 106 as the center, corresponding to the positions of the three movable arms 109 respectively, and are located below the three movable arms 109 respectively. The groove 202 is located on both sides of the slider 111. The slider 111 penetrates through the disc 103 through the limiting groove 201. The groove 202 can make the slider 111 stuck on the disc 103 to improve stability. Through the cooperation of the groove 202 and the limiting groove 201, the sliding connection between the slider 111 and the disc 103 can be realized.

[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 six-degree-of-freedom tire level adjustment mechanism, comprising a platform body, characterized in that: Also included is a positioning component; The positioning assembly includes a driving member, a connecting sleeve, a disc, a sleeve, a telescopic member and a contact plate. The connecting sleeve is fixedly connected to the platform body and is located on the top of the platform body. The disc is fixedly connected to the connecting sleeve and is located on the side of the connecting sleeve away from the platform body. The sleeve is connected to the platform body through the driving member, the driving member is installed on the platform body and drives the sleeve to move, and the contact plate is connected to the sleeve through the telescopic member, the telescopic member is installed on the sleeve and supports the contact plate.

2. The six-degree-of-freedom tire level adjustment mechanism according to claim 1, characterized in that: The driving component includes a driving motor and a driving screw. The driving motor is fixedly connected to the platform body and is located on a side of the platform body away from the connecting sleeve. The driving screw is fixedly connected to the output shaft of the driving motor, rotatably connected to the platform body, and threadedly connected to the sleeve.

3. The six-degree-of-freedom tire level adjustment mechanism according to claim 1, characterized in that: The telescopic member includes a fixed arm, an inclined rod and a movable arm. The fixed arm is fixedly connected to the sleeve and is located outside the sleeve; the movable arm is connected to the fixed arm through the inclined rod, and the two ends of the inclined rod are respectively rotatably connected to the fixed arm and the movable arm, and the contact plate is fixedly installed on the movable arm.

4. The six-degree-of-freedom tire level adjustment mechanism according to claim 3, characterized in that: The telescopic member also includes a slider, which is fixedly connected to the movable arm and slidably connected to the disc.

5. The six-degree-of-freedom tire level adjustment mechanism according to claim 4, characterized in that: The disc has a limiting groove, and the limiting groove is located on a side of the disc close to the movable arm; the sliding block has a groove, and the groove cooperates with the limiting groove.

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