Tire mounting device for tractor production line

Abstract

The invention provides a tire mounting device for a tractor production line, and relates to the technical field of tractor production lines, the tire mounting device comprises a truss electric walking mechanism, the bottom end of the electric walking mechanism is fixedly connected with a connecting frame, one side of the bottom end of the connecting frame is fixedly connected with a lifting rod, and the extending end of the lifting rod is fixedly connected with a mechanical arm; one end of the mechanical arm is fixedly connected with a fixing frame, a tire clamp used for clamping a tire is arranged at the bottom end of the fixing frame, and a clamping mechanism used for clamping the tire is arranged at the other end of the fixing frame. The tire clamp comprises a fixed mounting frame and a movable mounting frame which are arranged on one side of the fixed frame, two tire rotating mechanisms used for achieving tire rotation are arranged on the other side of the fixed frame, the fixed mounting frame is fixedly connected with the fixed frame, and the movable mounting frame is movably connected with the fixed frame. And the tire clamp and the clamping mechanism are controlled through the integrated control handle, the man-machine interaction strength is improved, and the convenience and adaptability of the tire mounting device are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tractor production line, and particularly relates to a tire mounting device for a tractor production line. BACKGROUND

[0002] The tractor production line is a production operation line formed by connecting automatic equipment and auxiliary devices according to the reasonable arrangement of various parts of the tractor according to the process flow. With the continuous development of industrial automation technology, the tire mounting device gradually develops towards automation and intelligence. In the tire production line, the dismounting and mounting of the tire are key links. The automatic mounting device can significantly improve the mounting efficiency, reduce the labor intensity of the operator, and improve the mounting quality and safety.

[0003] However, the types of tractor tires are various, but the existing mounting device can only support a single specification or structure of the tire, and the fixed tire cannot be rotated, which leads to the frequent adjustment of the tooling or the re-adjustment of the mounting position of the tire of the production line, increases the downtime, and at the same time, the mounting device is not optimized for human-computer interaction design, and the tire carrying height, clamp operation force and the like cannot be adjusted, which can increase the fatigue of the operator and cause safety accidents. SUMMARY

[0004] The problem to be solved by the present application is that the existing mounting device can only support a single specification of the tire, and cannot adjust the tire carrying height, clamp operation force and the like.

[0005] In order to solve the above technical problems, the present application provides a tire mounting device for a tractor production line, which comprises a truss, and an electric walking mechanism arranged at the bottom end of the truss, the bottom end of the electric walking mechanism is fixedly connected with a connecting frame, the bottom end of the connecting frame is fixedly connected with a lifting rod on one side, the extending end of the lifting rod is fixedly connected with a mechanical arm, one end of the mechanical arm is fixedly connected with a fixed frame, the bottom end of the fixed frame is provided with a tire clamp for clamping the tire, the other end of the fixed frame is provided with a clamping mechanism for clamping the tire.

[0006] The tire clamp comprises a fixed mounting frame and a movable mounting frame arranged on one side of the fixed frame, and two tire rotating mechanisms for rotating the tire are arranged on the other side of the fixed frame, the fixed mounting frame is fixedly connected with the fixed frame, and the movable mounting frame is movably connected with the fixed frame.

[0007] Preferably, the two tire rotating mechanisms are respectively fixedly connected with the middle parts of the fixed mounting frame and the movable mounting frame, the two tire rotating mechanisms are inclined, an adjusting cylinder is fixedly installed at the top end of the fixed mounting frame, and the extending end of the adjusting cylinder is fixedly connected with one end of the movable mounting frame.

[0008] Preferably, the tire rotating mechanism comprises a first connecting rod fixedly connected to the middle part of the fixed mounting frame or the movable mounting frame, one end of the first connecting rod is fixedly connected with a support frame, a plurality of transmission rods are arranged in the middle part of the support frame, the surfaces of the plurality of transmission rods are collectively sleeved with a transmission belt for realizing tire rotation, and one end of the transmission rod is fixedly connected with a first gear.

[0009] Preferably, a plurality of first guide rods are rotatably connected to one side of the top end of the support frame, and a plurality of second guide rods are rotatably connected to the other side of the top end of the support frame.

[0010] Preferably, the clamping mechanism comprises a linear guide rail fixedly connected to the fixed frame, the surface of the linear guide rail is slidably connected with two limiting blocks, the surfaces of the two limiting blocks are fixedly connected with a driven rack, the side of the fixed frame close to the linear guide rail is fixedly provided with a clamping cylinder, the extending end of the clamping cylinder is fixedly connected with a crank, and one end of the crank is rotatably connected with a second gear.

[0011] Preferably, one end of one of the limiting blocks is fixedly connected with a support rod, one end of the support rod is fixedly connected with a second connecting rod, the end of the second connecting rod away from the support rod is fixedly connected with a clamping frame, and the inner cavity of the clamping frame is rotatably connected with a plurality of third guide rods.

[0012] Preferably, the side of the fixed frame close to the linear guide rail is fixedly connected with a fixed rack, and the second gear is in meshing connection with the driven rack and the fixed rack.

[0013] Preferably, one end of the lifting rod is provided with a lifting cylinder, and the extending end of the lifting cylinder is fixedly connected with one side of the extending end of the lifting rod.

[0014] Preferably, the end of the fixed frame away from the clamping mechanism is fixedly provided with two integrated control handles.

[0015] Technical effects and advantages of the present application:

[0016] 1. The present application controls the height of the tire mounting device by providing a lifting rod, and manually controls the integrated control handle to move the tire mounting device during use, and automatically clamps and fixes the tire through the tire clamp and the clamping mechanism, completes the installation operation of the tractor tire, controls the extension and retraction of the extending end of the lifting rod through the extending end of the lifting cylinder, adjusts the carrying height of the tire, controls the tire clamp and the clamping mechanism through the integrated control handle, improves the strength of human-computer interaction, reduces the working strength of the operator, and increases the convenience of tire installation.

[0017] 2. The present application clamps the tire by the tire clamp, supports the tire by the two inclined tire rotating mechanisms, so that the tire can be placed more stably between the two tire rotating mechanisms, according to the support requirements of different diameter tires, the adjusting cylinder is started, the movable mounting frame is driven to move on one side of the fixed frame through the telescopic extension of the extension end, so as to adjust the distance between the movable mounting frame and the fixed mounting frame, so that the tire clamp can adapt to tires of different diameters, and when the tire placed between the two tire rotating mechanisms is installed, the tire can be rotated through the rotation of the transmission belt, which is convenient for adjusting according to the installation position of the connecting pieces such as bolts during installation, and is convenient for the installation of the tire.

[0018] 3. The present application clamps the position of the tire by the clamping mechanism, after the tire is placed, the clamping cylinder is started, the linear movement of the piston rod of the extension end of the clamping cylinder is converted into the rotary motion of the second gear through the crank, and the rotary motion of the second gear is converted into the linear motion of the driven rack and the fixed rack, due to the contact point characteristics of the second gear and the fixed rack, the stroke of the driven rack will be amplified, the stroke of the clamping is multiplied, this design makes the operator only need to move a short distance, can realize long distance pushing and clamping, according to the specific diameter of the tire, adjust the position of the clamping frame, adjust the clamping frame to the top end of the tire, clamp the tire. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic diagram of the present application.

[0020] Figure 2 It is the tire mounting device structure schematic diagram of the present application.

[0021] Figure 3 It is another view structure schematic diagram of the tire mounting device of the present application.

[0022] Figure 4 It is the Figure 2 It is the structure enlarged schematic diagram of A in the present application.

[0023] Figure 5 It is the Figure 2 It is the structure enlarged schematic diagram of B in the present application.

[0024] Figure 6 It is the tire mounting device use state schematic diagram of the present application.

[0025] Figure 7 It is the truss and walking mechanism structure schematic diagram of the present application.

[0026] The attached figures are labeled as follows: 1. Truss; 2. Electric walking mechanism; 3. Connecting frame; 4. Lifting rod; 5. Robotic arm; 6. Fixed frame; 7. Tire clamp; 71. Fixed mounting frame; 72. Movable mounting frame; 73. Tire rotation mechanism; 731. First connecting rod; 732. Support frame; 733. Transmission rod; 734. Transmission belt; 735. First gear; 736. First guide rod; 737. Second guide rod; 74. Adjusting cylinder; 8. Clamping mechanism; 81. Linear guide rail; 82. Limit block; 83. Driven rack; 84. Clamping cylinder; 85. Crank; 86. Second gear; 87. Support rod; 88. Second connecting rod; 89. Clamping frame; 810. Third guide rod; 811. Fixed rack; 9. Lifting cylinder; 10. Integrated control handle. Detailed Implementation

[0027] This invention provides a tire mounting device for a tractor production line, such as... Figure 1 - Figure 7 As shown, the device includes a truss 1 and an electric walking mechanism 2 located at its bottom. A connecting frame 3 is fixedly connected to the bottom of the electric walking mechanism 2. A lifting rod 4 is fixedly connected to one side of the bottom of the connecting frame 3. A robotic arm 5 is fixedly connected to the extended end of the lifting rod 4. A fixed frame 6 is fixedly connected to one end of the robotic arm 5. A tire clamp 7 for gripping the tire is provided at the bottom of the fixed frame 6. A clamping mechanism 8 for clamping the tire is provided at the other end of the fixed frame 6. The electric walking mechanism 2 includes a longitudinal rail and a transverse rail. The transverse rail is connected to the longitudinal rail through electric walking wheels, allowing the tire mounting device to move longitudinally on the longitudinal rail via the electric walking wheels. Electric walking wheels are also provided on the transverse rail, and a moving trolley is connected to the bottom end. The tire mounting device can move laterally on the transverse rail via the electric walking wheels and the moving trolley. The electric walking mechanism 2 allows the tire mounting device to move freely within the range of the truss 1. Since the longitudinal rail, transverse rail, and electric walking wheels are existing technologies, they will not be described in detail.

[0028] Furthermore, such as Figure 1 , Figure 2 and Figure 3 As shown, the tire clamp 7 includes a fixed mounting frame 71 and a movable mounting frame 72 disposed on one side of the fixed frame 6. On the other side of the fixed frame 6, there are two tire rotation mechanisms 73 for realizing tire rotation. The fixed mounting frame 71 is fixedly connected to the fixed frame 6, and the movable mounting frame 72 is movably connected to the fixed frame 6. The tire is supported by the two tire rotation mechanisms 73, and the tire can rotate on the tire clamp 7, which facilitates tire installation.

[0029] Furthermore, such as Figure 2 and Figure 3As shown, the two tire rotating mechanisms 73 are fixedly connected to the middle of the fixed mounting frame 71 and the movable mounting frame 72 respectively, the two tire rotating mechanisms 73 are arranged to be inclined, the top end of the fixed mounting frame 71 is fixedly provided with an adjusting cylinder 74, the extending end of the adjusting cylinder 74 is fixedly connected to one end of the movable mounting frame 72, the tire is supported by the two inclined tire rotating mechanisms 73, so that the tire can be placed more stably between the two tire rotating mechanisms 73, according to the support requirements of tires with different diameters, the adjusting cylinder 74 can be started to adjust the distance between the two tire rotating mechanisms 73, after the adjusting cylinder 74 is started, the extending end thereof is controlled to be extended or retracted, the movable mounting frame 72 is driven to move on one side of the fixed frame 6, the distance between the movable mounting frame 72 and the fixed mounting frame 71 is adjusted to be matched with the diameter of the tire, so as to adjust the distance between the two tire rotating mechanisms 73, so that the tire clamp 7 can adapt to tires with different diameters.

[0030] Further, as shown in Figure 2 and Figure 4 , the tire rotating mechanism 73 comprises a first connecting rod 731 fixedly connected to the middle of the fixed mounting frame 71 or the movable mounting frame 72, one end of the first connecting rod 731 is fixedly connected with a support frame 732, a plurality of transmission rods 733 are arranged in the middle of the support frame 732, a transmission belt 734 for rotating the tire is arranged on the surfaces of the plurality of transmission rods 733, one end of the transmission rod 733 is fixedly connected with a first gear 735, in use, the tire is supported by the two tire rotating mechanisms 73, during installation, the tire may need to be rotated according to the installation position of the connecting members such as bolts, one of the plurality of transmission rods 733 is fixedly connected with the output end of the motor, the transmission rod 733 is controlled to rotate by the rotation of the output end of the motor, the plurality of transmission rods 733 are rotated through the first gear 735, so that the transmission belt 734 arranged on the surfaces is rotated, when the tire is between the two transmission belts 734, the tire is rotated by the rotation of the transmission belt 734, which is convenient for installation.

[0031] Further, as shown in Figure 4 , the top end of the support frame 732 is rotatably connected with a plurality of first guide rods 736 on one side, and rotatably connected with a plurality of second guide rods 737 on the other side, when the tire rotates, the first guide rods 736 and the second guide rods 737 also rotate on the surfaces thereof, the tire is assisted to be supported by the first guide rods 736 and the second guide rods 737 on both sides, so as to ensure that the tire can better rotate and increase the stability during the clamping or installation of the tire.

[0032] Further, as shown in Figure 2 and Figure 5As shown, the clamping mechanism 8 includes a linear guide 81 fixedly connected to the fixed frame 6, the surface of the linear guide 81 is slidingly connected with two limit blocks 82, the surfaces of the two limit blocks 82 are fixedly connected with a driven rack 83, the side of the fixed frame 6 close to the linear guide 81 is fixedly installed with a clamping cylinder 84, the extending end of the clamping cylinder 84 is fixedly connected with a crank 85, one end of the crank 85 is rotatably connected with a second gear 86, after the tire is placed, the clamping cylinder 84 is started, and the linear movement of the extending end piston rod of the clamping cylinder 84 is converted into the rotary motion of the second gear 86 through the crank 85.

[0033] Further, as shown in Figure 2 , one end of one of the limit blocks 82 is fixedly connected with a support rod 87, one end of the support rod 87 is fixedly connected with a second connecting rod 88, the end of the second connecting rod 88 away from the support rod 87 is fixedly connected with a clamping frame 89, the inner cavity of the clamping frame 89 is rotatably connected with a plurality of third guide rods 810, according to the diameter of the tire, the position of the clamping frame 89 is adjusted, the clamping frame 89 is adjusted to the top end of the tire, the tire is clamped, the clamping frame 89 fixes the top end of the tire, and when the tire needs to rotate, the third guide rod 810 rotates on its surface with the rotation of the tire, avoiding that the clamped tire cannot rotate to adjust the position, causing time loss and manual operation strength caused by re-adjusting the fixed position of the tire, effectively improving the installation efficiency of the device.

[0034] Further, as shown in Figure 2 and Figure 5 , the side of the fixed frame 6 close to the linear guide 81 is fixedly connected with a fixed rack 811, the second gear 86 is meshingly connected with the driven rack 83 and the fixed rack 811, the clamping cylinder 84 drives the second gear 86 to rotate, the second gear 86 is meshingly transmitted with the driven rack 83 and the fixed rack 811, the rotary motion of the second gear 86 is converted into the linear motion of the driven rack 83 and the fixed rack 811, due to the contact point characteristics of the second gear 86 and the fixed rack 811, the stroke of the driven rack 83 is amplified, realizing the multiplication of the clamping stroke, this design makes the operator only need to move a short distance, and can realize long-distance pushing and clamping, when the driven rack 83 moves, the two limit blocks 82 move up and down on the surface of the linear guide 81, to adjust the position of the clamping frame 89.

[0035] Further, as shown in Figure 1 and Figure 6 , one end of the lifting rod 4 is installed with a lifting cylinder 9, the extending end of the lifting cylinder 9 is fixedly connected with one side of the extending end of the lifting rod 4, during the installation of the tire, the overall height of the tire installation device is adjusted through the lifting rod 4, during the adjustment, the lifting cylinder 9 is started, the extension and retraction of the extending end of the lifting cylinder 9 drives the extension and retraction of the extending end of the lifting rod 4, to realize the adjustment of the tire handling height of the tire clamp 7.

[0036] Further, as shown in Figure 1 and Figure 6 The fixed frame 6 is fixedly installed with two integrated control handles 10 away from one end of the clamping mechanism 8. During use, the integrated control handles 10 are manually held to move the tire mounting device, the tire is clamped and fixed by the tire clamp 7 and the clamping mechanism 8, the installation operation of the tractor tire is completed, and the strength of human-computer interaction is improved.

[0037] The working principle of the present application is as follows: when the tire needs to be installed, first, manually move the tire installation device through the integrated control handle 10, the tire installation device moves freely in the range of the truss 1 through the electric walking mechanism 2, and moves horizontally and vertically on the horizontal rail and the vertical rail through the electric walking wheel, then, according to the diameter of the tire that needs to be installed, adjust the distance between the two tire rotating mechanisms 73, start the adjusting cylinder 74, control the extension of the extension end to drive the movable mounting frame 72 to move on one side of the fixed frame 6, adjust the distance between the movable mounting frame 72 and the fixed mounting frame 71, so that the distance between the two tire rotating mechanisms 73 is adapted to the diameter of the tire, the tire clamp 7 can adapt to tires of different diameters, after the tire is placed, start the clamping cylinder 84, the linear movement of the piston rod of the extension end of the clamping cylinder 84 is converted into the rotary motion of the second gear 86 through the crank 85, and the rotary motion of the second gear 86 is converted into the linear motion of the driven rack 83 and the fixed rack 811, due to the contact point characteristics of the second gear 86 and the fixed rack 811, the stroke of the driven rack 83 is amplified, the clamping stroke is multiplied, this design makes the operator only need to move a short distance to realize long-distance pushing and clamping, when the driven rack 83 moves, the two limit blocks 82 move up and down on the surface of the linear guide rail 81 to adjust the position of the clamping frame 89, so that the clamping frame 89 fixes the top end of the tire, during the installation process, the tire may need to be rotated according to the installation position of the bolt and other connecting parts, one of the transmission rods 733 is fixedly connected with the output end of the motor, the rotation of the transmission rod 733 is controlled through the rotation of the output end of the motor, the transmission belts 734 on the surface are rotated through the rotation of the first gear 735 between the plurality of transmission rods 733, when the tire is between the two transmission belts 734, the tire is rotated through the rotation of the transmission belt 734, which is convenient for the installation of the tire, when the tire rotates, the first guide rod 736 and the second guide rod 737 also rotate on the surface, the tire is assisted and supported through the first guide rod 736 and the second guide rod 737 on both sides, the stability during the tire clamping or installation process is increased, when the tire rotates, the third guide rod 810 rotates on the surface with the rotation of the tire, which avoids that the clamped tire cannot be rotated to adjust the position, reduces the loss caused by re-fixing the tire, during the installation of the tire, the overall height of the tire installation device is adjusted through the lifting rod 4, the lifting cylinder 9 is started during the adjustment, the extension and retraction of the extension end of the lifting rod 4 is driven through the extension and retraction of the extension end of the lifting cylinder 9, so as to adjust the carrying height of the tire clamp 7.

[0038] It is to be understood that the present application is described by way of example only, and that modifications or alterations can be made to the features and embodiments described without departing from the spirit and scope of the application. In addition, modifications can be made to the features and embodiments described to accommodate specific situations and materials without departing from the spirit and scope of the application. Accordingly, the application is not limited to the specific embodiments disclosed herein, but rather, the scope of the application includes all embodiments falling within the scope of the claims.

Claims

1. A tire mounting device for a tractor production line, comprising a truss (1) and an electric travel mechanism (2) disposed at its bottom end, characterized in that: The bottom end of the electric walking mechanism (2) is fixedly connected to a connecting frame (3), and a lifting rod (4) is fixedly connected to one side of the bottom end of the connecting frame (3). A mechanical arm (5) is fixedly connected to the extended end of the lifting rod (4). A fixed frame (6) is fixedly connected to one end of the mechanical arm (5). A tire clamp (7) for clamping the tire is provided at the bottom end of the fixed frame (6), and a clamping mechanism (8) for clamping the tire is provided at the other end of the fixed frame (6). The tire clamp (7) includes a fixed mounting bracket (71) and a movable mounting bracket (72) disposed on one side of the fixed frame (6). On the other side of the fixed frame (6), there are two tire rotation mechanisms (73) for realizing tire rotation. The fixed mounting bracket (71) is fixedly connected to the fixed frame (6), and the movable mounting bracket (72) is movably connected to the fixed frame (6).

2. The tire mounting device for a tractor production line according to claim 1, characterized in that: The two tire rotating mechanisms (73) are fixedly connected to the middle of the fixed mounting frame (71) and the movable mounting frame (72) respectively. The two tire rotating mechanisms (73) are set to be inclined. An adjusting cylinder (74) is fixedly installed at the top of the fixed mounting frame (71). The extended end of the adjusting cylinder (74) is fixedly connected to one end of the movable mounting frame (72).

3. The tire mounting device for a tractor production line according to claim 1, characterized in that: The tire rotation mechanism (73) includes a first connecting rod (731) fixedly connected to the middle of the fixed mounting frame (71) or the movable mounting frame (72). One end of the first connecting rod (731) is fixedly connected to a support frame (732). The middle of the support frame (732) is provided with a plurality of transmission rods (733). The surfaces of the plurality of transmission rods (733) are jointly fitted with a transmission belt (734) to realize tire rotation. One end of the transmission rod (733) is fixedly connected to a first gear (735).

4. The tire mounting device for a tractor production line according to claim 3, characterized in that: A plurality of first guide rods (736) are rotatably connected to one side of the top end of the support frame (732), and a plurality of second guide rods (737) are rotatably connected to the other side of the top end of the support frame (732).

5. A tire mounting device for a tractor production line according to claim 1, characterized in that: The clamping mechanism (8) includes a linear guide rail (81) fixedly connected to the fixed frame (6). Two limiting blocks (82) are slidably connected to the surface of the linear guide rail (81). A driven rack (83) is fixedly connected to the surface of the two limiting blocks (82). A clamping cylinder (84) is fixedly installed on the side of the fixed frame (6) near the linear guide rail (81). A crank (85) is fixedly connected to the extended end of the clamping cylinder (84). A second gear (86) is rotatably connected to one end of the crank (85).

6. A tire mounting device for a tractor production line according to claim 5, characterized in that: One end of one of the limiting blocks (82) is fixedly connected to a support rod (87), and one end of the support rod (87) is fixedly connected to a second connecting rod (88). The end of the second connecting rod (88) away from the support rod (87) is fixedly connected to a clamping frame (89), and the inner cavity of the clamping frame (89) is rotatably connected to several third guide rods (810).

7. A tire mounting device for a tractor production line according to claim 5, characterized in that: The fixed frame (6) is fixedly connected to a fixed rack (811) on the side near the linear guide rail (81), and the second gear (86) meshes with the driven rack (83) and the fixed rack (811).

8. A tire mounting device for a tractor production line according to claim 1, characterized in that: A lifting cylinder (9) is installed at one end of the lifting rod (4), and the extended end of the lifting cylinder (9) is fixedly connected to one side of the extended end of the lifting rod (4).

9. A tire mounting device for a tractor production line according to claim 1, characterized in that: Two integrated control handles (10) are fixedly installed at the end of the fixing frame (6) away from the clamping mechanism (8).

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