Forming machine rear pressing trolley of novel structure

Abstract

The utility model belongs to the technical field of tire forming, and particularly relates to a novel-structure forming machine rear pressing trolley which comprises a supporting bottom, a first air cylinder is fixedly connected to the upper end of the supporting bottom, two mounting blocks are fixedly connected to the output end of the first air cylinder, and the first air cylinder is fixedly connected to the output end of the first air cylinder. And a rotating shaft is connected to the interior of one mounting block through a bearing, a motor is fixedly mounted on the right side of the other mounting block, and the output end of the motor is rotationally connected with the mounting block. Through the arrangement of the curved roller, the motor, the pressing sheet and other parts, the positions of the outer rings can be adjusted through the second air cylinder, so that an arc formed by the outer rings is attached to a tread, then the motor is started to drive the pressing sheet to rotate through the driving roller, the tread is pressed, the step of step-by-step pressing can be reduced, the pressing time is shortened, and the production efficiency is improved. And the extension amount of the tread can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tire forming, in particular to a rear press of a new structure for a forming machine. Background Art

[0002] At present, when semi-components such as the tread of a tire forming machine are pressed together, a three-dimensional rotary rear press or a combined rear press is often used. The three-dimensional rotary rear press uses a lead screw to drive separation and combination, and a spline shaft to drive the rotation angle; the combined rear press uses a lead screw to drive separation and combination, and a cylinder to ventilate and the cylinder rod automatically rotates the angle. The pressing time of the rear presses of the current two structures is relatively long. Generally, ordinary semi-steel tires require 13s - 20s, and the elongation is often > 10%, which has certain quality hazards. Content of the Utility Model

[0003] The purpose of the utility model is to provide a rear press of a new structure for a forming machine, which solves the problems that the existing pressing mechanism has a long pressing time and the elongation > 10%.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A rear press of a new structure for a forming machine, including a support base, a first cylinder is fixedly connected to the upper end of the support base, an output end of the first cylinder is fixedly connected to a mounting block, the number of the mounting blocks is two, a rotating shaft is connected to the inside of one of the mounting blocks through a bearing, a motor is fixedly installed on the right side of the other mounting block, an output end of the motor is rotationally connected to the mounting block, an output end of the motor is fixedly connected to a curved roller, one end of the curved roller far from the output end of the motor is fixedly connected to the rotating shaft, and a pressing piece is arranged on the outer side of the curved roller.

[0005] Preferably, the pressing piece includes a second cylinder, the second cylinder is fixedly connected to the inside of the curved roller, an output end of the second cylinder is fixedly connected to an inner ring, a ball is in contact with the outer side of the inner ring, an outer ring is in contact with the outer side of the ball. By starting the second cylinder, the output end of the second cylinder drives the inner ring to move, the inner ring drives the outer ring on the ball to move, so that the positions of a plurality of outer rings form an arc, making it fit with the tread, thereby pressing the tread, which can reduce the steps of gradual pressing, thus reducing the pressing time, and can also reduce the elongation of the tread.

[0006] Preferably, a square plate is slidably connected inside the support base. A threaded rod is fixedly connected to the lower end of the square plate. A support plate is fixedly connected to the lower end of the threaded rod. An elastic pad is in contact with the lower end of the support plate. A limiting block is rotatably connected inside the support base. The limiting block is movably connected to the threaded rod. A convex block is fixedly connected to the outer side of the limiting block. An annular groove is formed inside the support base. The convex block is slidably connected inside the annular groove. A limiting sleeve is fixedly connected to the lower end of the limiting block. By rotating the limiting sleeve, a threaded movement occurs between the limiting sleeve and the threaded rod, so that the threaded rod moves inside the limiting sleeve, the threaded rod drives the support plate to move, and the support plate drives the elastic pad to move, thereby adjusting the support points of the support base, so that the support base remains stable when placed, so that the two mounting blocks are on the same horizontal line, and the deviation of the pressing piece pressing the tread can be reduced.

[0007] Preferably, a positioning block is fixedly connected to the upper end of the elastic pad. The positioning block is slidably connected to the support plate. Through the design of the positioning block, the elastic pad can be positioned.

[0008] Preferably, a clamping block is fixedly connected to the upper end of the elastic pad. The clamping block is clamped with the support plate. Through the design of the clamping block, the elastic pad can be conveniently disassembled and replaced.

[0009] Preferably, the limiting sleeve is in contact with the support base. The limiting sleeve is threadedly connected to the threaded rod. Through the design of the limiting sleeve, the position of the threaded rod can be adjusted.

[0010] The beneficial effects of the present utility model are as follows:

[0011] 1. By providing components such as a curved roller, a motor, and a pressing piece, the position of the outer ring can be adjusted through the second cylinder, so that the arc formed by multiple outer rings fits the tread. Then, the motor is started, and the motor drives the pressing piece to rotate through the driving roller, thereby pressing the tread, which can reduce the steps of gradual pressing, reduce the pressing time, and reduce the extension amount of the tread.

[0012] 2. By providing components such as a limiting sleeve and a threaded rod, by rotating the limiting sleeve, a threaded movement occurs between the limiting sleeve and the threaded rod, so that the limiting sleeve drives the threaded rod to move, and the threaded rod drives the support plate to move, thereby adjusting the support points of the device, so that the device remains stable when placed, effectively avoiding deviations when the device presses the tire. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is the Figure 1 side view of the pressing piece in the present utility model;

[0015] Figure 3 For the present utility model Figure 1 is an enlarged view of the structure of part A in

[0016] In the figure: 1, support base; 11, first cylinder; 12, mounting block; 13, rotating shaft; 14, motor; 15, curved roller; 2, pressing plate; 21, second cylinder; 22, inner ring; 23, ball; 24, outer ring; 3, square plate; 31, threaded rod; 32, support plate; 33, elastic pad; 34, positioning block; 35, clamping block; 36, limiting block; 37, convex block; 38, annular groove; 39, limiting sleeve. Specific embodiments

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figures 1-3 , a rear press of a molding machine with a new structure, including a support base 1, a first cylinder 11 is fixedly connected to the upper end of the support base 1, an output end of the first cylinder 11 is fixedly connected to a mounting block 12, the number of the mounting blocks 12 is two, a rotating shaft 13 is connected to the inside of one of the mounting blocks 12 through a bearing, a motor 14 is fixedly installed on the right side of the other mounting block 12, an output end of the motor 14 is rotatably connected to the mounting block 12, an output end of the motor 14 is fixedly connected to a curved roller 15, one end of the curved roller 15 away from the output end of the motor 14 is fixedly connected to the rotating shaft 13, and a pressing plate 2 is arranged outside the curved roller 15.

[0019] Please refer to Figures 2-3 , the pressing plate 2 includes a second cylinder 21, the second cylinder 21 is fixedly connected to the inside of the curved roller 15, an output end of the second cylinder 21 is fixedly connected to an inner ring 22, a ball 23 is in contact with the outside of the inner ring 22, a ball 24 is in contact with the outside of the ball 23. By starting the second cylinder 21, the output end of the second cylinder 21 drives the inner ring 22 to move, and the inner ring 22 drives the outer ring 24 on the ball 23 to move, so that the positions of a plurality of outer rings 24 form an arc, making it fit with the tread, thereby pressing the tread. The steps of gradual pressing can be reduced, the pressing time can be reduced, and the extension amount of the tread can be reduced.

[0020] Please refer to Figures 2-3, a square plate 3 is slidably connected inside the support base 1. A threaded rod 31 is fixedly connected to the lower end of the square plate 3. A support plate 32 is fixedly connected to the lower end of the threaded rod 31. An elastic pad 33 is in contact with the lower end of the support plate 32. A positioning block 34 is fixedly connected to the upper end of the elastic pad 33. The positioning block 34 is slidably connected to the support plate 32. Through the design of the positioning block 34, the elastic pad 33 can be positioned. A clamping block 35 is fixedly connected to the upper end of the elastic pad 33. The clamping block 35 is clamped with the support plate 32. Through the design of the clamping block 35, the elastic pad 33 can be conveniently disassembled and replaced. A limiting block 36 is rotatably connected inside the support base 1. The limiting block 36 is movably connected to the threaded rod 31. A convex block 37 is fixedly connected to the outer side of the limiting block 36. An annular groove 38 is formed inside the support base 1. The convex block 37 is slidably connected inside the annular groove 38. A limiting sleeve 39 is fixedly connected to the lower end of the limiting block 36. The limiting sleeve 39 is in contact with the support base 1. The limiting sleeve 39 is threadedly connected to the threaded rod 31. Through the design of the limiting sleeve 39, the position of the threaded rod 31 can be adjusted. By rotating the limiting sleeve 39, a threaded movement occurs between the limiting sleeve 39 and the threaded rod 31, so that the threaded rod 31 moves inside the limiting sleeve 39, the threaded rod 31 drives the support plate 32 to move, and the support plate 32 drives the elastic pad 33 to move, thereby adjusting the support points of the support base 1, so that the support base 1 remains stable when placed, so that the two mounting blocks 12 are kept on the same horizontal line, and the deviation of the pressing plate 2 pressing the tread can be reduced.

[0021] The specific implementation process of the present utility model is as follows: During use, by rotating the limiting sleeve 39, a threaded movement occurs between the limiting sleeve 39 and the threaded rod 31, so that the threaded rod 31 moves inside the limiting sleeve 39, the threaded rod 31 drives the support plate 32 to move, and the support plate 32 drives the elastic pad 33 to move, thereby adjusting the support points of the support base 1, so that the support base 1 remains stable when placed, so that the two mounting blocks 12 are kept on the same horizontal line, and the deviation of the pressing plate 2 pressing the tread can be reduced;

[0022] By starting the second cylinder 21, the output end of the second cylinder 21 drives the inner ring 22 to move, the inner ring 22 drives the outer ring 24 on the ball 23 to move, so that the positions of a plurality of outer rings 24 form an arc, which fits with the tread, thereby pressing the tread, reducing the steps of gradual pressing, reducing the pressing time, and reducing the extension amount of the tread.

[0023] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirits of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A new type of rear press of a molding machine, comprising a supporting bottom (1), characterized in that: The upper end of the support base (1) is fixedly connected to a first cylinder (11), and the output end of the first cylinder (11) is fixedly connected to a mounting block (12). The number of the mounting blocks (12) is two, and the interior of one of the mounting blocks (12) is connected to a rotating shaft (13) via a bearing, and a motor (14) is fixedly installed on the right side of the other mounting block (12), and the output end of the motor (14) is rotatably connected to the mounting block (12). The output end of the motor (14) is fixedly connected to a curved roller (15), and one end of the curved roller (15) away from the output end of the motor (14) is fixedly connected to the rotating shaft (13), and a pressing sheet (2) is arranged on the outer side of the curved roller (15).

2. The rear press of a new type of molding machine according to claim 1 is characterized in that: The pressing sheet (2) comprises a second cylinder (21), the interior of the curved roller (15) is fixedly connected to the second cylinder (21), the output end of the second cylinder (21) is fixedly connected to an inner ring (22), the outer side of the inner ring (22) contacts with a ball (23), and the outer side of the ball (23) contacts with an outer ring (24).

3. The rear pressing machine of a new structure of a forming machine according to claim 1 is characterized in that: The support base (1) is internally slidably connected to a square plate (3), the lower end of the square plate (3) is fixedly connected to a threaded rod (31), the lower end of the threaded rod (31) is fixedly connected to a support plate (32), the lower end of the support plate (32) contacts an elastic pad (33), the support base (1) is internally rotatably connected to a limit block (36), the limit block (36) is movably connected to the threaded rod (31), the outer side of the limit block (36) is fixedly connected to a protrusion (37), the support base (1) is internally provided with an annular groove (38), the inner side of the annular groove (38) is slidably connected to a protrusion (37), and the lower end of the limit block (36) is fixedly connected to a limit sleeve (39).

4. The rear pressing machine of a new structure of a forming machine according to claim 3 is characterized in that: The upper end of the elastic pad (33) is fixedly connected with a positioning block (34), and the positioning block (34) is slidably connected to the support plate (32).

5. The rear pressing machine of a new structure of a forming machine according to claim 3 is characterized in that: A clamping block (35) is fixedly connected to the upper end of the elastic pad (33), and the clamping block (35) is clamped to the support plate (32).

6. The rear pressing machine of a new structure of a forming machine according to claim 3 is characterized in that: The limiting sleeve (39) is in contact with the supporting bottom (1), and the limiting sleeve (39) is connected to the threaded rod (31) via threads.

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