An aviation tire reverse building drum tire body compression roller and a driving control device of the compression roller

Abstract

The utility model discloses an aviation tire counter -wraps the tire body pressure roller and the drive control device of pressure roller, relate to tire production field, including pressure roller, the section of pressure roller is circular, pressure roller adopts continuous variable diameter structure, pressure roller is equipped with guiding area, one section of roll pressure area, two sections of roll pressure area and three sections of roll pressure area in proper order along the length direction, wherein, the inside and outside diameter change amount of unit length in pressure roller position of one section of roll pressure area, two sections of roll pressure area and three sections of roll pressure area is equipped for RB1, RB2 and RB3 in proper order, then, the relation of RB1, RB2 and RB3 is: RB1>RB2>RB3. The utility model designs the overall structure of pressure roller, adopts continuous variable diameter structure, therefore, when carrying out pressure bonding to tire body through the pressure roller, it can carry out pressure bonding to it with the area of corresponding outside diameter according to the corresponding position feature of tire, therefore, the pressure bonding adaptation degree of pressure roller and tire body is higher, this can greatly reduce tire counter -wraps end point wrinkle phenomenon, reduces the rate of defective products.

Description

Technical Field

[0001] This utility model relates to the field of aviation tire technology, and in particular to an aviation tire reverse-wrapped drum tire pressure roller and a driving control device for the pressure roller. Background Technology

[0002] In the manufacturing process of aircraft tires, the tire carcass reverse wrapping rolling process is to press the tire carcass reverse wrapping end points by pressing the pressure roller after the cylinder presses the tire. As the tire rotates, the pressure roller gradually changes its position until the tire's reverse wrapping end points are completely pressed.

[0003] However, in existing pressure roller structures, the pressure rollers all adopt a single-diameter structure, that is, the entire pressure roller uses a constant diameter. However, the structure of a tire is bulging in the middle and then gradually decreasing in height towards both sides, and this change in height is non-linear. In the process of pressing the tire, the positional interval of the pressure roller relative to the tire is fixed. Therefore, the pressure of the pressure roller on the tire will change with the rotation and movement of the tire. For example, if the height of the bulge in the middle is higher, the pressure of the pressure roller relative to the tire is greater. Conversely, if the height of the bulge at the edge is lower, the pressure of the pressure roller relative to the tire is less. This can easily lead to wrinkles at the tire's folded end, resulting in an increased defect rate.

[0004] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0005] The purpose of this utility model is to provide an aircraft tire reverse-wrapping drum tire body pressure roller and a driving control device for the pressure roller. By designing the overall structure of the pressure roller, that is, adopting a continuously variable diameter structure, when the pressure roller presses the tire body, it can press the tire body according to the corresponding position characteristics of the tire, and press the tire body with the corresponding outer diameter area. Therefore, the pressing fit between the pressure roller and the tire body is higher, which can greatly reduce the wrinkling phenomenon at the reverse-wrapping end of the tire and reduce the defect rate.

[0006] To achieve the above objectives, this utility model provides an aircraft tire inverted drum tire pressure roller and a driving control device for the pressure roller, including a pressure roller with a circular cross-section. The pressure roller adopts a continuously variable diameter structure. The pressure roller is provided with a guide area, a first-stage roller pressing area, a second-stage roller pressing area, and a third-stage roller pressing area along its length. The changes in the inner and outer diameter per unit length of the pressure roller at the positions of the first-stage roller pressing area, the second-stage roller pressing area, and the third-stage roller pressing area are respectively set as RB1, RB2, and RB3. Then, the relationship between RB1, RB2, and RB3 is: RB1 > RB2 > RB3.

[0007] In one embodiment of this utility model, the widths of the first rolling zone, the second rolling zone, and the third rolling zone are set as L1, L2, and L3 respectively, and the relationship between L1, L2, and L3 is: L1 < L2 < L3.

[0008] In one embodiment of this utility model, the pressure roller has a hollow structure inside, and a central shaft is rotatably mounted inside the pressure roller along the length direction via bearings. Based on this, by fixing the central shaft, the pressure roller can follow the rotation of the tire.

[0009] This utility model also discloses a drive control device for a pressure roller, which includes an aircraft tire inverted bulge pressure roller, a pressure roller mounting frame, and a drive mechanism. The pressure roller mounting frame adopts an inverted U-shaped structure, and the pressure roller is located between two vertical ends of the pressure roller mounting frame. The drive mechanism can drive the pressure roller to move along the length direction of the pressure roller mounting frame. Based on this, when the drive mechanism is running, it can drive the pressure roller to move, thereby changing the position of the pressure roller and thus changing the contact position between the pressure roller and the tire, realizing the cooperation with the tire and improving the tire pressing quality.

[0010] In one embodiment of this utility model, the driving mechanism includes a lead screw and a motor. The motor is fixedly installed on one side of the pressure roller mounting frame, and the lead screw is rotatably installed between two vertical ends of the pressure roller mounting frame. The output shaft of the motor is connected to one end of the lead screw. A lead screw through hole is opened at the center of the central shaft along the length direction. A lead screw nut adapted to the lead screw is embedded in the lead screw through hole. The lead screw passes through the lead screw through hole and is sleeved with the lead screw nut. Based on this, when the motor runs, it drives the lead screw to rotate. Under the action of the lead screw nut, the central shaft and the pressure roller move along the length direction of the pressure roller mounting frame.

[0011] In one embodiment of this utility model, at least one limiting through hole parallel to the lead screw is opened on the central shaft along the length direction. A limiting slide rod corresponding to the limiting through hole is installed between the two vertical ends of the pressure roller mounting bracket. The limiting slide rod is inserted into the limiting through hole. Through the limiting action of the limiting slide rod, the central shaft cannot rotate and can only slide along the length direction, thereby avoiding interference caused by the rotation and horizontal movement of the pressure roller and improving the stability of the device operation.

[0012] In one embodiment of this utility model, a mounting bracket is fixedly installed above the horizontal end of the pressure roller mounting frame by bolts. The mounting bracket adopts an inverted V-shaped structure with the middle horizontal and both ends inclined downward, which makes it convenient to install the device on the robot arm of the equipment, so that the robot arm can easily operate the entire device.

[0013] Compared with the prior art, the aviation tire reverse-wrapping drum tire pressure roller according to this utility model has a continuously variable diameter structure designed for the overall structure of the pressure roller. Therefore, when the pressure roller presses the tire carcass, it can press the corresponding outer diameter area according to the corresponding position characteristics of the tire. Thus, the pressing fit between the pressure roller and the tire carcass is higher, which can greatly reduce the wrinkling phenomenon at the reverse-wrapping end of the tire and reduce the defect rate. In addition, the device is designed to be compatible with the drive control device of the pressure roller structure, which can facilitate the drive control of the pressure roller. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of an aviation tire reverse-wrapping drum pressure roller according to an embodiment of the present invention;

[0015] Figure 2 This is a front view of an aircraft tire inverted drum body pressure roller according to an embodiment of the present invention;

[0016] Figure 3 This is a schematic diagram of the overall structure of an aircraft tire reverse-wrapping drum body pressure roller and its drive control device according to an embodiment of the present invention. Figure 1 ;

[0017] Figure 4 This is a schematic diagram of the overall structure of an aircraft tire reverse-wrapping drum body pressure roller and its drive control device according to an embodiment of the present invention. Figure 2 ;

[0018] Figure 5 This is a schematic diagram of an aircraft tire reverse-wrapping drum body pressure roller and its drive control device according to an embodiment of the present invention, when the tire to be pressed is pressed through a three-section roller pressing zone.

[0019] Figure 6 This is a schematic diagram of an aircraft tire reverse-wrapping drum body pressure roller and a driving control device for the pressure roller when pressing the tire to be pressed through a two-stage roller pressing zone, according to an embodiment of the present utility model.

[0020] Figure 7 This is a schematic diagram of two pressure rollers pressing a tire in a section of a roller pressing zone when they pass through an aviation tire reverse-wrapping drum pressure roller and a pressure roller drive control device according to an embodiment of the present invention.

[0021] Reference numerals in the attached diagram: 1. Pressure roller; 100. First-stage roller pressing zone; 101. Second-stage roller pressing zone; 102. Third-stage roller pressing zone; 103. Guide zone; 2. Bearing; 3. Central shaft; 300. Limiting through hole; 301. Lead screw through hole; 4. Pressure roller mounting frame; 5. Limiting slide bar; 6. Lead screw; 7. Mounting bracket; 8. Motor; 9. Tire to be pressed. Detailed Implementation

[0022] The following is in conjunction with the appendix Figure 1 - Appendix Figure 5 The specific embodiments of this utility model are described in detail below, but it should be understood that the scope of protection of this utility model is not limited to the specific embodiments.

[0023] Unless otherwise expressly stated, throughout the specification and claims, the term "comprising" or its variations such as "including" or "comprises" shall be understood to include the stated elements or components without excluding other elements or other components.

[0024] like Figure 1-2 As shown, a preferred embodiment of the present invention provides an aircraft tire inverted drum tire pressure roller, which includes a pressure roller 1. The pressure roller 1 has a circular cross-section and adopts a continuously variable diameter structure. The pressure roller 1 is provided with a guide area 103, a first-stage roller pressing area 100, a second-stage roller pressing area 101, and a third-stage roller pressing area 102 along its length. The changes in the inner and outer diameter per unit length of the pressure roller 1 at the positions of the first-stage roller pressing area 100, the second-stage roller pressing area 101, and the third-stage roller pressing area 102 are respectively set as RB1, RB2, and RB3. Then, the relationship between RB1, RB2, and RB3 is: RB1 > RB2 > RB3.

[0025] In summary: This device, through the design of the overall structure of the pressure roller 1, namely the adoption of a continuously variable diameter structure, allows the pressure roller 1 to effectively press the tire carcass (such as...) Figure 5 When the tire to be pressed (9) is pressed, it can be based on the corresponding positional characteristics of the tire (such as... Figure 5 The tire 9 to be pressed has a bulge in the middle and then gradually decreases in height to both sides (and this change in height is non-linear). It is pressed in the corresponding outer diameter area (i.e., the first roller pressing area 100, the second roller pressing area 101, and the third roller pressing area 102). Therefore, the pressing roller 1 and the tire body have a higher fitting degree, which can greatly reduce the phenomenon of tire over-wrapping at the end and reduce the defect rate.

[0026] Specifically, such as Figure 1 - Figure 2As shown, in order to better adapt to the characteristics of the tire, in this embodiment, the widths of the first roller pressing area 100, the second roller pressing area 101, and the third roller pressing area 102 are set as L1, L2, and L3 respectively. The relationship between L1, L2, and L3 is: L1 < L2 < L3. Since the tire needs to be pressed, the width of the part that needs to be pressed through the large diameter area in the middle of the tire's wrapping point is relatively large (corresponding to the third roller pressing area 102), and it gradually extends outward. The width of the part that needs to be pressed through the medium diameter area (corresponding to the second roller pressing area 101) and the part that needs to be pressed through the small diameter area (corresponding to the first roller pressing area 100) gradually decreases. Therefore, the pressing roller 1 can fit the tire better and improve the tire's processing quality.

[0027] like Figure 1 As shown, since the pressure roller 1 needs to rotate with the tire, in this embodiment, the pressure roller 1 has a hollow structure inside. The central shaft 3 is rotatably installed inside the pressure roller 1 along the length direction through the bearing 2. Based on this, by fixing the central shaft 3, the pressure roller 1 can follow the rotation of the tire.

[0028] like Figure 3 - Figure 5 As shown, a preferred embodiment of the present invention provides a drive control device for a pressure roller, comprising the aforementioned aircraft tire inverted drum pressure roller, pressure roller mounting frame 4, and drive mechanism. The pressure roller mounting frame 4 adopts an inverted U-shaped structure, with the pressure roller 1 located between the two vertical ends of the mounting frame 4. The drive mechanism can drive the pressure roller 1 to move along the length of the mounting frame 4. Therefore, when the drive mechanism operates, it can move the pressure roller 1, thereby changing the position of the pressure roller 1 and thus changing the contact position between the pressure roller 1 and the tire, achieving proper engagement with the tire and improving tire pressing quality. Furthermore, it should be noted that when pressing the same tire, the pressing equipment can be equipped with two sets of pressure rollers 1, which are staggered around the tire. This allows for simultaneous pressing of both sides of the tire, improving pressing efficiency, while the staggered arrangement avoids interference between the two sets of pressure rollers.

[0029] Specifically, such as Figure 3 - Figure 5 As shown, in order to achieve the movement control of the pressure roller 1, in this embodiment, the driving mechanism includes a lead screw 6 and a motor 8. The motor 8 is fixedly installed on one side of the pressure roller mounting frame 4, and the lead screw 6 is rotatably installed between the two vertical ends of the pressure roller mounting frame 4. The output shaft of the motor 8 is connected to one end of the lead screw 6. The center of the central shaft 3 has a lead screw through hole 301 along the length direction. A lead screw nut adapted to the lead screw 6 is embedded in the lead screw through hole 301. The lead screw 6 passes through the lead screw through hole 301 and is sleeved with the lead screw nut. Based on this, when the motor 8 runs, it drives the lead screw 6 to rotate. Under the cooperation of the lead screw nut, the central shaft 3 and the pressure roller 1 move along the length direction of the pressure roller mounting frame 4.

[0030] Specifically, such as Figure 3 - Figure 5 As shown, in order to stabilize the movement of the pressure roller 1 and avoid interference from its rotation and horizontal movement, in this embodiment, at least one limiting through hole 300 parallel to the lead screw 6 is opened on the central shaft 3 along the length direction. A limiting slide rod 5 corresponding to the limiting through hole 300 is installed between the two vertical ends of the pressure roller mounting frame 4. The limiting slide rod 5 is inserted into the limiting through hole 300. Through the limiting action of the limiting slide rod 5, the central shaft 3 cannot rotate and can only slide along the length direction, thereby avoiding interference from the rotation and horizontal movement of the pressure roller 1 and improving the stability of the lifting device operation.

[0031] Specifically, such as Figure 3 - Figure 5 As shown, in order to facilitate the installation of the device, in this embodiment, a mounting bracket 7 is fixedly installed above the horizontal end of the pressure roller mounting frame 4 by bolts. The mounting bracket 7 adopts an inverted V-shaped structure with the middle horizontal and both ends inclined downward. This makes it easy to install the device on the robot arm of the equipment, so that the robot arm can control the entire device. In addition, it should be noted that the drive control device of the pressure roller is installed on the robot arm as a whole, and its angle and position are uniformly controlled by the robot arm.

[0032] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the present invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the present invention, as well as various different choices and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A pressure roller for reverse-wrapping the tire body of an aircraft tire, characterized in that, It includes a pressure roller (1), the cross-section of which is circular. The pressure roller (1) adopts a continuously variable diameter structure. The pressure roller (1) is provided with a guide area (103), a first-stage roller pressing area (100), a second-stage roller pressing area (101), and a third-stage roller pressing area (102) in sequence along the length direction. The changes in the inner and outer diameter per unit length of the pressure roller (1) located in the first-stage roller pressing area (100), the second-stage roller pressing area (101), and the third-stage roller pressing area (102) are set as RB1, RB2, and RB3 in sequence. The relationship between RB1, RB2, and RB3 is: RB1 > RB2 > RB3.

2. The aircraft tire reverse-wrapping drum tire pressure roller according to claim 1, characterized in that, The widths of the first rolling zone (100), the second rolling zone (101), and the third rolling zone (102) are set as L1, L2, and L3 respectively, and the relationship between L1, L2, and L3 is: L1 < L2 < L3.

3. The aircraft tire reverse-wrapping drum tire pressure roller according to claim 1, characterized in that, The pressure roller (1) has a hollow structure inside, and a central shaft (3) is rotatably mounted inside the pressure roller (1) along the length direction via a bearing (2).

4. A drive control device for a pressure roller, characterized in that, It includes an aircraft tire inverted drum tire pressure roller, a pressure roller mounting frame (4) and a drive mechanism as described in claim 3, wherein the pressure roller mounting frame (4) adopts an inverted U-shaped structure, the pressure roller (1) is located between the two vertical ends of the pressure roller mounting frame (4), and the drive mechanism can drive the pressure roller (1) to move along the length direction of the pressure roller mounting frame (4).

5. The drive control device for a pressure roller according to claim 4, characterized in that, The driving mechanism includes a lead screw (6) and a motor (8). The motor (8) is fixedly installed on one side of the pressure roller mounting frame (4). The lead screw (6) is rotatably installed between the two vertical ends of the pressure roller mounting frame (4). The output shaft of the motor (8) is connected to one end of the lead screw (6). A lead screw through hole (301) is opened at the center of the central shaft (3) along the length direction. A lead screw nut adapted to the lead screw (6) is embedded in the lead screw through hole (301). The lead screw (6) passes through the lead screw through hole (301) and is sleeved with the lead screw nut.

6. The drive control device for a pressure roller according to claim 5, characterized in that, At least one limiting through hole (300) parallel to the lead screw (6) is opened on the central shaft (3) along the length direction. A limiting slide rod (5) corresponding to the limiting through hole (300) is installed between the two vertical ends of the pressure roller mounting bracket (4). The limiting slide rod (5) is inserted into the limiting through hole (300). Through the limiting action of the limiting slide rod (5), the central shaft (3) cannot rotate and can only slide along the length direction.

7. A drive control device for a pressure roller according to any one of claims 4-6, characterized in that, The pressure roller mounting frame (4) is fixedly mounted with a mounting bracket (7) above the horizontal end by bolts. The mounting bracket (7) adopts an inverted V-shaped structure with the middle horizontal and both ends inclined downward.

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