CN210337471U

CN210337471U - Tire pressing mechanism of automobile tire dismounting machine

Info

Publication number: CN210337471U
Application number: CN201921158945.0U
Authority: CN
Inventors: 段庆良; 张�诚
Original assignee: Hefei Wenzhuo Machinery Technology Co Ltd
Current assignee: Hefei Wenzhuo Machinery Technology Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-17
Anticipated expiration: 2029-07-23

Abstract

The utility model relates to a tire pressing mechanism of an automobile tire dismounting machine, which comprises a dismounting machine main body, a connecting piece arranged on the side wall of the dismounting machine main body, a big arm movably arranged on the connecting piece, a wheel shovel fixedly connected with one end of the big arm, a moving handle fixedly connected with the upper end of the big arm, a cylinder arranged in the dismounting machine main body and a cylinder piston rod in the cylinder, wherein a position of the side wall of the dismounting machine main body, which is close to the front end, is provided with a limiting mechanism; stop gear includes the main tank body of fixed connection on dismouting main body lateral wall, fixed connection motor mounting panel on the main tank body inner wall, fixed mounting motor on the motor mounting panel, fixed connection worm on the motor output, with worm gear of worm meshing. This tire pressing mechanism of automobile tire dismouting machine when carrying out the tire pressing operation, can fix the tire earlier through stop gear, tire stability more during the tire pressing to can release staff's both hands, reduced staff's working strength.

Description

Tire pressing mechanism of automobile tire dismounting machine

Technical Field

The utility model belongs to tire dismouting machine field, concretely relates to tire press of automobile tire dismouting machine constructs.

Background

As more and more vehicles are used on the road, the need for maintenance equipment for the vehicle tires is increasing. The tire dismounting machine is a special device which is necessary for repairing automobile tires and is used for dismounting and mounting tires from hubs.

The tire pressing mechanism is an important component of a vehicle tire changer for pressing a bead portion of a tire from a rim of a hub to a groove portion of the hub. However, the tire pressing mechanism of the automobile tire mounting and dismounting machine in the prior art generally has the defects of complex structure, inconvenience in operation, low working efficiency and the like, and the operation needs to be carried out by hands and feet.

And need use both hands to fix the position of tire when operating the tire, not only increased staff's working strength, and the stability when processing the tire also can not ensure, the condition that appears the tire deflection very easily appears, stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, reasonable in design's a tire pressing mechanism of automobile tire dismouting machine just for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a tire pressing mechanism of an automobile tire dismounting machine comprises a dismounting machine main body, a connecting piece arranged on the side wall of the dismounting machine main body, a big arm movably arranged on the connecting piece, a wheel shovel fixedly connected to one end of the big arm, a moving handle fixedly connected to the upper end of the big arm, an air cylinder arranged in the dismounting machine main body and an air cylinder piston rod in the air cylinder, wherein a limiting mechanism is arranged at the position, close to the front end, of the side wall of the dismounting machine main body;

stop gear includes the main tank body of fixed connection on dismouting main body lateral wall, the motor mounting panel of fixed connection on the main tank body inner wall, the motor of fixed mounting on the motor mounting panel, fixed connection worm on the motor output, with worm meshed worm wheel, the drive lead screw of fixed connection on the worm wheel, the anticreep piece of fixed connection in drive lead screw one end, the platform is placed to the tire of fixed connection on the main tank body lateral wall, locate the tire and place the track that slides of platform one side, fixed connection is at the stopper, the fixed connection of the track lower extreme that slides of the track upper end that slides, the drive lead screw runs through the tire and places platform and fixed block, and the motor.

As the utility model discloses a further optimization scheme, the piston rod of the cylinder is located the outer one end of dismouting main part and big arm swing joint, the motor passes through the set screw and installs on the motor mounting panel.

As a further optimization scheme of the utility model, the worm runs through the motor mounting panel, be equipped with slide bearing between drive lead screw and the main tank body.

As a further optimization scheme of the utility model, the diameter of anticreep piece is greater than the diameter of drive lead screw, the track that slides is U type spare.

As a further optimization scheme of the utility model, the front end that the platform was placed to the tire is equipped with triangle inclined ladder.

As a further optimization scheme of the utility model, the motor is connected with the control end electric connection in the dismouting main part, for prior art.

The beneficial effects of the utility model reside in that:

1) when the tire pressing processing is carried out on the wheel, the wheel can roll to the tire placing table, then the worm is driven to rotate after the motor works by controlling the motor to work, the worm rotates and then drives the worm wheel to rotate, the worm wheel rotates and then drives the driving screw rod to rotate, the driving screw rod rotates and then drives the fixed block and the sliding track fixedly connected with the fixed block to move, the sliding track drives the limiting block to move, the effect of clamping the lower part of the wheel can be realized, the working intensity of workers is reduced, and the working speed of the tire pressing is also accelerated;

2) the utility model can drive the sliding track and the limiting block to be away from the tire placing table only by controlling the motor to rotate reversely when the wheel is taken down, and the operation is simple and convenient;

3) the utility model discloses simple structure, stability is high, reasonable in design, the realization of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a view of the utility model with the motor and the driving screw rod;

fig. 4 is the utility model discloses stopper and drive lead screw's matched with view.

In the figure: 1. a changer body; 2. a connecting member; 3. a large arm; 4. moving the handle; 5. a cylinder piston rod; 6. a wheel shovel; 7. a limiting mechanism; 70. a main box body; 71. a motor; 72. a motor mounting plate; 73. a worm; 74. a worm gear; 75. a tire placement table; 76. driving the screw rod; 760. an anti-drop block; 77. a limiting block; 78. a sliding track; 79. and (5) fixing blocks.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1 and 2, a tire pressing mechanism of an automobile tire changer comprises a changer body 1, a connecting piece 2 arranged on the side wall of the changer body 1, a big arm 3 movably arranged on the connecting piece 2, a wheel shovel 6 fixedly connected at one end of the big arm 3, a moving handle 4 fixedly connected at the upper end of the big arm 3, an air cylinder arranged in the changer body 1 and an air cylinder piston rod 5 in the air cylinder, wherein a limiting mechanism 7 is arranged at a position close to the front end of the side wall of the changer body 1, and the limiting mechanism 7 and the components form the tire pressing mechanism of the changer;

as shown in fig. 3 and fig. 4, the limiting mechanism 7 includes a main box 70 fixedly connected to the side wall of the main body 1 of the mounting and dismounting machine, a motor mounting plate 72 fixedly connected to the inner wall of the main box 70, a motor 71 fixedly mounted on the motor mounting plate 72, a worm 73 fixedly connected to the output end of the motor 71, a worm wheel 74 engaged with the worm 73, a driving screw 76 fixedly connected to the worm wheel 74, an anti-dropping block 760 fixedly connected to one end of the driving screw 76, a tire placing table 75 fixedly connected to the side wall of the main box 70, a sliding rail 78 disposed on one side of the tire placing table 75, a limiting block 77 fixedly connected to the upper end of the sliding rail 78, a fixing block 79 fixedly connected to the lower end of the sliding rail 78, the driving screw 76 penetrates through the tire placing table 75 and the fixing block 79, the motor 71 drives the worm 73 to rotate after operating, the, after the driving screw 76 rotates, the fixed block 79 and the sliding track 78 fixedly connected with the fixed block 79 are driven to move, and the sliding track 78 drives the limiting block 77 to move;

one end of a cylinder piston rod 5 positioned outside the dismounting machine main body 1 is movably connected with the large arm 3, and a motor 71 is arranged on a motor mounting plate 72 through a fixing screw; the worm 73 penetrates through the motor mounting plate 72, and a sliding bearing is arranged between the driving screw 76 and the main box body 70; the diameter of the anti-falling block 760 is larger than that of the driving screw 76, and the sliding track 78 is a U-shaped piece; a triangular inclined ladder is arranged at the front end of the tire placing table 75, and the triangular inclined ladder is used for conveniently rolling the tire onto the tire placing table 75; the motor 71 is electrically connected to a control terminal in the mounting/dismounting machine body 1.

It should be noted that, when the tire pressing process is performed on the wheel, the wheel can be rolled onto the tire placing table 75, then the motor 71 is controlled to work, the worm 73 is driven to rotate after the motor 71 works, the worm 73 is driven to rotate, the worm wheel 74 drives the driving screw rod 76 to rotate after rotating, the driving screw rod 76 drives the fixed block 79 and the sliding track 78 fixedly connected with the fixed block 79 to move after rotating, the sliding track 78 drives the limiting block 77 to move, the effect of clamping the lower part of the wheel can be achieved, when the wheel is loosened, the limiting block 77 is driven to be away from the tire placing table 75 by controlling the reverse interface of the motor 71, and the whole limiting mechanism 7 can be suitable.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a tire pressing mechanism of automobile tire dismouting machine, includes dismouting machine main part (1), locate connecting piece (2) on dismouting machine main part (1) lateral wall, big arm (3) of movable mounting on connecting piece (2), fixed connection is shoveled (6) at the wheel of big arm (3) one end, fixed connection is at removal handle (4) of big arm (3) upper end, locate cylinder and cylinder piston rod (5) in the cylinder of dismouting machine main part (1) inside, its characterized in that: a limiting mechanism (7) is arranged at the position, close to the front end, of the side wall of the dismounting machine main body (1);

the limiting mechanism (7) comprises a main box body (70) fixedly connected to the side wall of the main body (1) of the dismounting machine, a motor mounting plate (72) fixedly connected to the inner wall of the main box body (70), a motor (71) fixedly mounted on the motor mounting plate (72), a worm (73) fixedly connected to the output end of the motor (71), a worm wheel (74) meshed with the worm (73), a driving screw rod (76) fixedly connected to the worm wheel (74), an anti-dropping block (760) fixedly connected to one end of the driving screw rod (76), a tire placing table (75) fixedly connected to the side wall of the main box body (70), a sliding track (78) arranged on one side of the tire placing table (75), a limiting block (77) fixedly connected to the upper end of the sliding track (78), and a fixing block (79) fixedly, the driving screw rod (76) penetrates through the tire placing table (75) and the fixing block (79).

2. The tire pressing mechanism of the automobile tire changer according to claim 1, wherein: the cylinder piston rod (5) is located the outer one end of dismouting machine main part (1) and big arm (3) swing joint, motor (71) are installed on motor mounting panel (72) through the set screw.

3. The tire pressing mechanism of the automobile tire changer according to claim 1, wherein: the worm (73) penetrates through the motor mounting plate (72), and a sliding bearing is arranged between the driving screw rod (76) and the main box body (70).

4. The tire pressing mechanism of the automobile tire changer according to claim 1, wherein: the diameter of the anti-falling block (760) is larger than that of the driving screw rod (76), and the sliding track (78) is a U-shaped piece.

5. The tire pressing mechanism of the automobile tire changer according to claim 1, wherein: the front end of the tire placing table (75) is provided with a triangular inclined ladder.

6. The tire pressing mechanism of the automobile tire changer according to claim 1, wherein: the motor (71) is electrically connected with a control end in the main body (1) of the dismounting machine.