Expansion and contraction transmission device of tire unloading ring

Abstract

The utility model discloses an expansion and contraction transmission device of a tire unloading ring, which comprises a motor, a ball screw, a movable ring fixing device and a fixed ring fixing device, the output end of the motor is connected with the right end of the ball screw through a single elastic diaphragm coupling, the fixed ring fixing device comprises a first bearing, and the first bearing is arranged on the outer side of the right end of the ball screw. A first bearing is arranged in a bearing seat, a protruding rod at the bottom of the bearing seat is fixed into a hole groove in the bottom end of a motor frame through a copper sleeve, a first pressing plate is installed on the top of the motor frame, a protruding rod at the top of the bearing seat is fixed into a hole groove of the first pressing plate through a copper sleeve, and the front side and the rear side of the motor frame are fixed into a motor frame seat. According to the device, through the movable ring fixing device and the fixed ring fixing device, deformation of the lead screw is eliminated, the lead screw is protected, breakage of the lead screw is avoided, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tire unloading devices, in particular to an expansion and contraction transmission device of a tire unloading ring. Background Art

[0002] The expansion and contraction transmission device is an important device for quickly transmitting, clamping, loading and unloading giant tires during the production process, which can improve production efficiency and realize production automation. It includes power transmission, screw connection, dynamic ring fixation and fixed ring fixation.

[0003] With the requirements of tire industry molding process and actual production, tires are developing towards giant size. The existing expansion and contraction transmission device is no longer suitable and the screw rod is prone to breakage during production. Therefore, a tire unloading ring expansion and contraction transmission device is proposed to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A tire unloading ring expansion and contraction transmission device comprises a motor, a ball screw, a dynamic ring fixing device and a fixed ring fixing device, the motor output end is connected to the right end of the ball screw by a single-type elastic diaphragm coupling, the fixed ring fixing device comprises a first bearing, the first bearing is mounted on the outside of the right end of the ball screw, the first bearing is arranged inside the bearing seat, the bottom convex rod of the bearing seat is fixed to the inside of the hole groove at the bottom end of the motor frame through a copper sleeve, the top of the motor frame is provided with a first pressing plate, the top convex rod of the bearing seat is fixed to the inside of the hole groove of the first pressing plate through a copper sleeve, the front and rear sides of the motor frame are fixed to the inside of the motor frame seat, the dynamic ring fixing device comprises a ball screw nut seat, the ball screw nut seat is mounted on the outside of the left end of the ball screw, a nut seat is arranged outside the ball screw nut seat, the bottom end of the nut seat is fixed to the inside of the bottom end of the nut frame through a second copper sleeve, the top of the nut frame is provided with a second pressing plate, the top of the nut seat is fixed to the inside of the hole groove of the second pressing plate through the second copper sleeve, the front and rear ends of the nut frame are mounted in the second bearing seat, the front and rear ends of the second bearing seat are provided with bearing seat covers on the outside, and the bottom of the second bearing seat is fixedly connected to the top of the dynamic ring connecting plate.

[0006] Preferably, a round nut is provided on the right side of the first bearing.

[0007] Preferably, locking washers for round nuts are arranged between the round nuts.

[0008] Preferably, the round nut and the round nut retaining washer are both installed on the outside of the right end of the ball screw.

[0009] Preferably, a motor fixing disk is mounted on the left end of the motor, a connecting seat is provided on the left side of the motor fixing disk, the connecting seat and the motor fixing disk are fixed by hexagon socket cylindrical head screws, and a single-type elastic diaphragm coupling is installed inside the connecting seat.

[0010] Preferably, the first bearing is a tapered roller bearing.

[0011] Compared with the prior art, the beneficial effects of the utility model are: (1) the ball screw nut seat and the nut seat at the left end of the ball screw fixed by the device can rotate inside the second bearing seat through the nut frame, and the first bearing and the bearing seat at the right end of the ball screw fixed by the motor frame can be rotated inside the motor frame seat to adjust the position, thereby eliminating the deformation of the screw, protecting the screw, avoiding the breakage of the screw, and improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0015] Figure 3 This is a left-side structural schematic diagram of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the utility model from top view.

[0017] Explanation of the reference numerals in the figure: bearing seat 1, copper sleeve 2, nut seat 4, motor frame seat 5, first pressure plate 6, second copper sleeve 7, nut frame 8, second bearing seat 9, bearing seat cover 10, motor frame 11, second pressure plate 12, moving ring connecting plate 13, connecting seat 14, motor fixing plate 15, ball screw 17, ball screw nut 18, first bearing 19, stop washer 20 for round nut, round nut 21, single-type elastic diaphragm coupling 22, hexagon socket head screw 23, motor 24. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-4The utility model provides an embodiment: a tire unloading ring expansion and contraction transmission device, including a motor 24, a ball screw 17, a dynamic ring fixing device and a fixed ring fixing device, the output end of the motor 24 is connected to the right end of the ball screw 17 through a single-type elastic diaphragm coupling 22, the motor 24 drives the ball screw 17 to rotate through the single-type elastic diaphragm coupling 22, the fixed ring fixing device includes a first bearing 19, the first bearing 19 is installed on the outside of the right end of the ball screw 17, the ball screw 17 can rotate inside the first bearing 19, the first bearing 19 is arranged inside the bearing seat 1, and the bearing seat 1 can adjust the position of the first bearing 19 The bottom convex rod of the bearing seat 1 is fixed to the bottom hole groove of the motor frame 11 through the copper sleeve 2. The top of the motor frame 11 is equipped with a first pressure plate 6. The top convex rod of the bearing seat 1 is fixed to the inside of the hole groove of the first pressure plate 6 through the copper sleeve 2. The position of the bearing seat 1 is fixed between the first pressure plate 6 and the motor frame 11. The front and rear sides of the motor frame 11 are fixed inside the motor frame seat 5. The motor frame 11 can be rotated inside the motor frame seat 5 to adjust the angle. The dynamic ring fixing device includes a ball screw mother seat 18. The ball screw mother seat 18 is installed on the outer side of the left end of the ball screw 17. The ball screw 17 can rotate inside the ball screw mother seat 18. A nut seat 4 is mounted on the outside of the screw nut seat 18, and the bottom end of the nut seat 4 is fixed to the bottom end of the nut frame 8 through the second copper sleeve 7. A second pressure plate 12 is mounted on the top of the nut frame 8, and the top of the nut seat 4 is fixed to the inside of the hole groove of the second pressure plate 12 through the second copper sleeve 7. The ball screw nut seat 18 is fixed between the nut seat 4 and the second pressure plate 12. The front and rear ends of the nut frame 8 are mounted inside the second bearing seat 9. The nut frame 8 can be rotated inside the second bearing seat 9 to adjust the angle. A bearing seat cover 10 is provided on the outside of the front and rear ends of the second bearing seat 9. The bottom of the second bearing seat 9 is fixedly connected to the top of the moving ring connecting plate 13. The moving ring connecting plate 13 is used to fix The position of the second bearing seat 9 is determined, a round nut 21 is provided on the right side of the first bearing 19, and a round nut locking washer 20 is installed between the round nuts 21. The round nut 21 and the round nut locking washer 20 can prevent the first bearing 19 from shifting on the ball screw 17. The round nut 21 and the round nut locking washer 20 are both installed on the outside of the right end of the ball screw 17. The motor 24 is equipped with a motor fixing disk 15 on the left end, and a connecting seat 14 is provided on the left side of the motor fixing disk 15. The connecting seat 14 and the motor fixing disk 15 are fixed by hexagon socket cylindrical head screws 23, and a single-type elastic diaphragm coupling 22 is installed inside the connecting seat 14.

[0021] When the tire unloading ring is clamping, transferring and unloading the tire, the expansion and contraction device not only has to withstand stress and changes when making circular motion on the tire ring, but also has to withstand the force in the radial direction of the screw shaft caused by the tire ring flipping. The force caused by the deformation due to the high weight of the tire ring may cause the ball screw 17 to break after repeated multiple times. Therefore, the ball screw 17 of the device has a dynamic ring fixing device and a fixed ring fixing device that change direction due to the change of force. The ball screw mother seat 18 and the nut seat 4 at the left end position of the fixed ball screw 17 can rotate inside the second bearing seat 9 through the nut frame 8, and the first bearing 19 and the bearing seat 1 at the right end position of the fixed ball screw 17 are rotated and adjusted in position inside the motor frame seat 5 through the motor frame 11, thereby eliminating the deformation of the screw, protecting the screw, avoiding the breakage of the screw, and improving the production efficiency.

[0022] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A tire unloading ring expansion and contraction transmission device, characterized in that: The invention comprises a motor (24), a ball screw (17), a moving ring fixing device and a fixed ring fixing device, wherein the output end of the motor (24) is connected to the right end of the ball screw (17) via a single-type elastic diaphragm coupling (22), the fixed ring fixing device comprises a first bearing (19), the first bearing (19) is mounted on the outside of the right end of the ball screw (17), the first bearing (19) is arranged inside a bearing seat (1), the bottom protruding rod of the bearing seat (1) is fixed inside a hole groove at the bottom end of a motor frame (11) via a copper sleeve (2), the top of the motor frame (11) is provided with a first pressing plate (6), the top protruding rod of the bearing seat (1) is fixed inside a hole groove of the first pressing plate (6) via a copper sleeve (2), and the front and rear sides of the motor frame (11) are fixed to the motor frame seat. (5) Inside, the dynamic ring fixing device includes a ball screw nut (18), the ball screw nut (18) is installed on the outside of the left end of the ball screw (17), a nut seat (4) is installed on the outside of the ball screw nut (18), the bottom end of the nut seat (4) is fixed to the inside of the bottom end of the nut frame (8) through a second copper sleeve (7), a second pressure plate (12) is installed on the top of the nut frame (8), the top of the nut seat (4) is fixed to the inside of the hole groove of the second pressure plate (12) through the second copper sleeve (7), the front and rear ends of the nut frame (8) are installed in the second bearing seat (9), the front and rear ends of the second bearing seat (9) are provided with a bearing seat cover (10), and the bottom of the second bearing seat (9) is fixedly connected to the top of the dynamic ring connecting plate (13).

2. The expansion and contraction transmission device of a tire removal ring according to claim 1, characterized in that: A round nut (21) is provided on the right side of the first bearing (19).

3. The expansion and contraction transmission device of a tire removal ring according to claim 2, characterized in that: A locking washer (20) for round nuts is arranged between the round nuts (21).

4. The expansion and contraction transmission device of a tire removal ring according to claim 3, characterized in that: The round nut (21) and the round nut stop washer (20) are both installed on the outer side of the right end of the ball screw (17).

5. The expansion and contraction transmission device of a tire removal ring according to claim 1, characterized in that: A motor fixing disk (15) is mounted on the left end of the motor (24), a connecting seat (14) is arranged on the left side of the motor fixing disk (15), the connecting seat (14) and the motor fixing disk (15) are fixed by hexagon socket head screws (23), and the single-type elastic diaphragm coupling (22) is installed inside the connecting seat (14).

Images