Driving device for tire building drum

Abstract

The utility model relates to the technical field of tire building drums, and discloses a driving device for a tire building drum, which comprises a rotating device and a tire building drum body, an electric push rod is mounted on the surface of the inner wall of the tire building drum body, and an arc-shaped plate is mounted at the outward end of an inner piston rod of the electric push rod. The rotating device is installed on the front face of the tire forming drum body and comprises a damper, a bearing shell, a driving assembly, a machine box and a machine box door plate, the machine box door plate is in threaded connection to the front portion of the machine box, the damper is installed on the surface of the bottom end in the machine box, and the bearing shell is installed at the top of a piston rod in the damper; the bearing shell is installed on the front portion of the driving assembly. According to the driving device for the tire building drum, the supporting frame body, the limiting shell, the movable rolling wheels and the rotating shaft are arranged, the supporting frame body and the limiting shell can determine the position of the rotating shaft, the rotating shaft can be clamped and fixed, the rotating shaft can rotate, and rotation of the rotating shaft is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire forming drum technical field, concretely is a kind of driving device for tire forming drum. BACKGROUND

[0002] Tire forming drum is mainly composed of a cylindrical drum body and multiple driving elements. The drum body is usually made of high-strength alloy material, and the outside is treated with a special coating, which can withstand the high temperature and pressure generated during the tire forming process.

[0003] The prior art discloses a molding drum fitting device with the structure comprising a molding drum, a drive shaft, a support ring, a limiting device, a motor, a first cylinder and a second cylinder. The left end of the molding drum is locked with the drive shaft, and the right end of the limiting device is locked with the motor through bolts. The utility model sets up a molding drum fitting device, which uses a support ring to support the tire lip and sets up a limiting device. When the tire lip is fitted on the molding drum, the tire lip is sleeved outside the support ring, then the motor drives the fixing device to control the telescopic mechanism inside the fixing device to contract, the limiting plate and the limiting block of the telescopic mechanism limit the tire lip, then the limiting device and the support ring are controlled to push out, the support ring is sleeved on the molding drum, then the support ring is pulled out by the cylinder, the molding drum is expanded to support the inside of the tire lip, and the expansion outer diameter of the molding drum is limited by the limiting plate, then the limiting plate is expanded and moved to complete the fitting of the tire lip and the molding drum.

[0004] When the motor rotates, the motor will vibrate, and the vibration will drive the molding drum to rotate through the limiting device, making the molding drum unstable during operation and requiring a lot of time for adjustment. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a driving device for tire forming drum to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a driving device for tire forming drum, comprising a rotating device and a tire forming drum body, an electric push rod is installed on the inner wall surface of the tire forming drum body, an arc-shaped plate is installed on the outer end of the inner piston rod of the electric push rod, and the rotating device is installed on the front surface of the tire forming drum body.

[0007] The rotating device comprises a damper, a bearing shell, a driving assembly, a machine box and a machine box door plate, the machine box door plate is screw-connected to the front of the machine box, the damper is installed on the inner bottom end surface of the machine box, the bearing shell is installed on the top of the inner piston rod of the damper, and the bearing shell is installed on the front of the driving assembly.

[0008] Preferably, the driving assembly comprises a driving motor, a rotating shaft, a limiting shell, a moving roller, a support frame body, a limiting block, a connecting roller and a limiting threaded rod, the limiting threaded rod is inserted into the front section of the limiting block, the limiting block is inserted into the front section of the connecting roller, the connecting roller is screw-connected to the back of the rotating shaft, the rotating shaft is installed on the back of the rotor of the driving motor, the moving roller is rollingly connected to the rear of the rotating shaft, the moving roller is installed on the inward end of the driving motor, and the limiting shell is screw-connected to the rear of the support frame body.

[0009] Preferably, the support frame body is screw-connected to the rear of the machine box, the support frame body can determine the positions of the limiting shell and the moving roller, and can keep the stability of the rotating shaft.

[0010] Preferably, the driving motor is installed on the inner wall surface of the bearing shell, the driving motor is installed in the machine box, and the machine box and the bearing shell can perform damping operation on the driving motor, so that the safety of the driving motor is protected.

[0011] Preferably, the connecting roller is installed at the middle position of the tire forming drum body, the limiting threaded rod is inserted into the front of the connecting roller, and the limiting threaded rod can screw-connect the connecting roller and the limiting block, so that the tire forming drum body can be rotated, and the tire forming drum body is convenient to disassemble and replace.

[0012] Preferably, the rotating shaft is rotatably connected to the back of the machine box, and the rotating shaft and the driving motor are installed on the top of the machine box, so that the position of the rotating shaft can be determined, and the rotating shaft can be kept stable.

[0013] Preferably, the support frame body comprises an arc-shaped plate and a fastening threaded rod, the fastening threaded rod is inserted into the top of the machine box, and the arc-shaped plate and the fastening threaded rod can determine the position of the rotating shaft, so that the rotating shaft is convenient to disassemble and replace, and the use time of the rotating shaft can be prolonged.

[0014] Compared with the prior art, the driving device for the tire forming drum has the following beneficial effects:

[0015] The driving device for the tire forming drum comprises a support frame body, a limiting shell, a moving roller and a rotating shaft, the support frame body and the limiting shell can determine the position of the rotating shaft, can clamp and fix the rotating shaft, can make the rotating shaft rotate, can make the rotation of the rotating shaft more stable, and can prolong the use time of the device.

[0016] The driving device for the tire forming drum, by being provided with the damper, the bearing shell and the driving motor, the damper and the bearing shell can perform damping operation on the driving motor, the safety of the driving motor can be protected, meanwhile, the driving motor is convenient to disassemble and replace, so that the replacement of the driving motor is rapid and convenient, thereby the use time of the driving motor can be increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional schematic view of the utility model;

[0018] Figure 2 It is a schematic view of internal device of the utility model case;

[0019] Figure 3 It is a three-dimensional schematic view of the utility model driving assembly;

[0020] Figure 4 It is a three-dimensional schematic view of the utility model limiting shell, mobile roller and support frame body;

[0021] Figure 5 It is a three-dimensional schematic view of the utility model tire forming drum body, arc plate and electric push rod.

[0022] In the drawing: 1, rotating device; 11, damper; 12, bearing shell; 13, driving assembly; 131, driving motor; 132, rotating shaft; 133, limiting shell; 134, mobile roller; 135, support frame body; 136, limiting plug; 137, connecting roller; 138, limiting threaded rod; 14, case; 15, case door plate; 2, tire forming drum body; 3, arc plate; 4, electric push rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides the following technical schemes:

[0025] A driving device for a tire forming drum, comprising a rotating device 1 and a tire forming drum body 2, an electric push rod 4 is installed on the inner wall surface of the tire forming drum body 2, an arc plate 3 is installed on the outer end of the inner piston rod of the electric push rod 4, and the rotating device 1 is installed on the front surface of the tire forming drum body 2.

[0026] The rotating device 1 comprises a damper 11, a bearing shell 12, a driving assembly 13, a machine box 14 and a machine box door plate 15 which is threadedly connected to the front of the machine box 14, the damper 11 is installed on the inner bottom end surface of the machine box 14, the bearing shell 12 is installed on the top of the inner piston rod of the damper 11, and the bearing shell 12 is installed on the front of the driving assembly 13.

[0027] The driving assembly 13 comprises a driving motor 131, a rotating shaft 132, a limiting shell 133, a moving roller 134, a support frame body 135, a limiting plug 136, a connecting roller shaft 137 and a limiting threaded rod 138, the limiting threaded rod 138 is inserted into the front end of the limiting plug 136, the limiting plug 136 is inserted into the front end of the connecting roller shaft 137, the connecting roller shaft 137 is installed at the middle position of the tire forming drum body 2, the limiting threaded rod 138 is inserted into the front of the connecting roller shaft 137, the limiting threaded rod 138 can threadedly connect the connecting roller shaft 137 and the limiting plug 136, so that the tire forming drum body 2 can rotate, which facilitates the disassembly and replacement of the tire forming drum body 2, the connecting roller shaft 137 is threadedly connected to the back of the rotating shaft 132, the rotating shaft 132 is rotationally connected to the back of the machine box 14, the rotating shaft 132 and the driving motor 131 are installed on the top of the machine box 14, which can determine the position of the rotating shaft 132 and keep the rotating shaft 132 stable, the rotating shaft 132 is installed on the back of the rotor of the driving motor 131, the driving motor 131 is installed on the inner wall surface of the bearing shell 12, the driving motor 131 is installed inside the machine box 14, and the machine box 14 and the bearing shell 12 can dampen the driving motor 131, thereby protecting the safety of the driving motor 131, the moving roller 134 is rollingly connected to the rear of the rotating shaft 132, the moving roller 134 is installed on the inward end of the driving motor 131, the limiting shell 133 is threadedly connected to the rear of the support frame body 135, the support frame body 135 comprises an arc-shaped plate and a fastening threaded rod, the fastening threaded rod is inserted into the top of the machine box 14, and the arc-shaped plate and the fastening threaded rod can determine the position of the rotating shaft 132, which facilitates the disassembly and replacement of the rotating shaft 132 and increases the service life of the rotating shaft 132, and the support frame body 135 is threadedly connected to the rear of the machine box 14, which can determine the positions of the limiting shell 133 and the moving roller 134 and keep the stability of the rotating shaft 132.

[0028] In use, the electric push rod 4 can move the arc-shaped plate 3 outward, so that the arc-shaped plate 3 can support the preliminarily formed tire and avoid the preliminarily formed tire from falling off.

[0029] The driving motor 131 is started, the rotor of the driving motor 131 drives the rotating shaft 132 to rotate, the rotating shaft 132 can drive the connecting roller shaft 137 to rotate, the connecting roller shaft 137 can drive the tire forming drum body 2 to rotate, and the tire forming drum body 2 drives the electric push rod 4 and the arc-shaped plate 3 to rotate.

[0030] The initially formed tire on the surface of the arc-shaped plate 3 is rotated, so that the initially formed tire can wind the material, thereby enabling the tire to be thickened.

[0031] When the driving motor 131 needs to be disassembled and replaced, the compression damper 11 is compressed, the damper 11 drives the bearing shell 12 to move downward, the bearing shell 12 moves downward in the damper 11, so that the bearing shell 12 is separated from the driving motor 131.

[0032] Pulling the driving motor 131 to move forward, so that the driving motor 131 is separated from the rotating shaft 132, the driving motor 131 can be disassembled and replaced.

[0033] Rotating the nut, the nut is separated from the connecting roller 137 and the rotating shaft 132, the connecting roller 137 can be disassembled and replaced, different specifications of the connecting roller 137 can be used, thereby increasing the use time of the connecting roller 137.

[0034] Rotating the nut, the nut rotates at the front of the support frame body 135, so that the support frame body 135 and the damper 11 are connected loosely.

[0035] Pulling the rotating shaft 132 to move backward, so that the rotating shaft 132 moves backward through the moving roller 134 and the limiting shell 133, so that the rotating shaft 132 and the support frame body 135 are separated from the damper 11, thereby the rotating shaft 132 and the support frame body 135 can be disassembled and replaced.

[0036] Pulling the support frame body 135 to move forward, so that the support frame body 135 is separated from the limiting shell 133, thereby the support frame body 135 can be disassembled and replaced.

[0037] Pulling the limiting shell 133 to move outward, the limiting shell 133 can drive the moving roller 134 to move outward, so that the moving roller 134 is separated from the rotating shaft 132, facilitating the disassembly and replacement of the limiting shell 133 and the moving roller 134, and different specifications of the rotating shaft 132 can be used.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A drive device for a tire building drum, comprising a rotating device (1) and a tire building drum body (2), characterized in that: The inner wall surface of the tire forming drum body (2) is provided with an electric push rod (4), an outer end of an inner piston rod of the electric push rod (4) is provided with an arc-shaped plate (3), and the rotating device (1) is installed on the front surface of the tire forming drum body (2). The rotating device (1) comprises a damper (11), a bearing shell (12), a driving assembly (13), a machine box (14) and a machine box door plate (15), the machine box door plate (15) is threadedly connected to the front of the machine box (14), the damper (11) is installed on the inner bottom surface of the machine box (14), the bearing shell (12) is installed on the top of the inner piston rod of the damper (11), and the bearing shell (12) is installed on the front of the driving assembly (13).

2. A drive arrangement for a tyre building drum according to claim 1, characterised in that: The driving assembly (13) comprises a driving motor (131), a rotating shaft (132), a limiting shell (133), a moving roller (134), a support frame body (135), a limiting plug (136), a connecting roller shaft (137) and a limiting threaded rod (138), the limiting threaded rod (138) is inserted into the front end of the limiting plug (136), the limiting plug (136) is inserted into the front end of the connecting roller shaft (137), the connecting roller shaft (137) is threadedly connected to the back surface of the rotating shaft (132), the rotating shaft (132) is installed on the back surface of the rotor of the driving motor (131), the moving roller (134) is rollingly connected to the rear of the rotating shaft (132), the moving roller (134) is installed on the inward end of the driving motor (131), and the limiting shell (133) is threadedly connected to the rear of the support frame body (135).

3. A drive arrangement for a tyre building drum according to claim 2, characterised in that: The support frame body (135) is threadedly connected to the rear of the machine box (14).

4. A drive arrangement for a tyre building drum according to claim 3, characterised in that: The driving motor (131) is installed on the inner wall surface of the bearing shell (12), and the driving motor (131) is installed in the machine box (14).

5. A drive arrangement for a tyre building drum according to claim 4, characterised in that: The connecting roller shaft (137) is installed at the middle position of the tire forming drum body (2), and the limiting threaded rod (138) is inserted into the front of the connecting roller shaft (137).

6. A drive arrangement for a tyre building drum according to claim 5, characterised in that: The rotating shaft (132) is rotatably connected to the back surface of the machine box (14).

7. A drive arrangement for a tyre building drum according to claim 6, characterised in that: The support frame body (135) comprises an arc-shaped plate and a fastening threaded rod.

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