Precise transmission structure of deviation rectifying device

Abstract

The utility model relates to the field of non-woven fabrics, in particular to a precise transmission structure of a deviation rectifying device, which comprises a transmission plate, a transmission hole communicated with an upper end face and a lower end face is arranged on the transmission plate, a plurality of transmission columns are arranged on the upper end face and the lower end face of the transmission plate, and the transmission columns are distributed around the transmission hole at equal angles. The transmission columns are obliquely arranged relative to the transmission plate, transmission bearings are vertically and fixedly connected to the transmission columns in a sleeving mode, and the plane where the transmission bearings are located and the plane where the transmission plate is located intersect to form an included angle; the driving optical shaft penetrates through the transmission hole in a suspended manner and is in compression joint with the outer ring of the transmission bearing; the motor drives the driving optical axis to rotate forwards / reversely, and drives the transmission bearing to rotate forwards / reversely, so that an upward / downward friction component force can be generated due to inclination of the transmission bearing, and then the transmission plate is driven to move up and down along the driving optical axis. The mechanism is driven through friction force generated by line contact, is not influenced by dust, cannot be blocked, has no rollback error and is high in precision.

Description

Technical Field

[0001] The utility model relates to the field of non-woven fabrics, in particular to a precision transmission structure of a deviation rectifying device. Background Art

[0002] At present, in the non-woven fabric industry, roller deviation rectifying devices are very common. For example, the deviation rectifying device described in the existing patent 201110289410.9 "Automatic Deviation Rectifying Device" is widely used for the deviation rectification of the waist edge folding of diapers. The transmission mechanism in such a deviation rectifying device is its core component. The screw drive is used in this patent. However, there is a large amount of dust in the production of the non-woven fabric industry, and the dust is likely to cause the screw nut to jam, resulting in a high failure rate. Moreover, this industry requires high transmission precision for deviation rectification. There is a backlash error between the screw and the nut, resulting in an error in the deviation rectification precision. Summary of the Utility Model

[0003] In order to overcome the above problems, the utility model provides a precision transmission structure of a deviation rectifying device. The technical solution adopted by the utility model to solve its technical problems is as follows:

[0004] A precision transmission structure of a deviation rectifying device includes a transmission plate. A transmission hole communicating the upper end face and the lower end face is provided on the transmission plate. A plurality of transmission columns are provided on both the upper end face and the lower end face of the transmission plate. The transmission columns are arranged at equal angles around the transmission hole, and the transmission columns are all inclined relative to the transmission plate. Transmission bearings are vertically and fixedly sleeved on the transmission columns. The plane where the transmission bearings are located intersects with the plane where the transmission plate is located at an angle. A driving optical axis vertically passes through the transmission hole and is press-connected to the outer ring of the transmission bearing. One end of the driving optical axis is connected to a motor. The motor drives the driving optical axis to rotate forward / backward, so as to drive the transmission bearing to rotate forward / backward, and further drive the transmission plate to move up and down along the driving optical axis.

[0005] Further, the inclination directions of the transmission columns on the upper end face and the lower end face of the transmission plate are opposite.

[0006] Further, the included angle range between the plane where the transmission bearing is located and the plane where the transmission plate is located is 3-5 degrees.

[0007] Further, an adjustment groove penetrating the upper end face and the lower end face is provided on the transmission plate. The adjustment groove extends inward from the side of the transmission plate and passes through the transmission hole. An adjustment device is provided on the transmission plate to adjust the distance between the adjustment grooves, and further adjust the pressure between the outer ring of the transmission bearing and the driving optical axis.

[0008] Further, the adjustment device includes a locking bolt, and the locking bolt penetrates from the side of the transmission plate and vertically passes through the adjustment groove.

[0009] Further, a set screw is provided on the transmission plate. The set screw is perpendicular to the upper end face / lower end face of the transmission plate and abuts against the locking bolt to limit the loosening of the locking bolt.

[0010] Further, glue can be applied to the set screw to prevent the set screw from loosening.

[0011] Further, a connection port is provided on the transmission plate to connect the component to be driven.

[0012] The beneficial effects of the present utility model are as follows:

[0013] The structure includes a transmission plate. A transmission hole communicating the upper end face and the lower end face is provided on the transmission plate. A plurality of transmission columns are provided on both the upper end face and the lower end face of the transmission plate. The transmission columns are arranged at equal angles around the transmission hole, and the transmission columns are all inclined relative to the transmission plate. Transmission bearings are vertically and fixedly sleeved on the transmission columns. The plane where the transmission bearings are located intersects with the plane where the transmission plate is located at an angle. The driving optical axis passes through the transmission hole in a suspended manner and is press-connected to the outer ring of the transmission bearing. One end of the driving optical axis is connected to the motor. The motor drives the driving optical axis to rotate forward / backward. By driving the transmission bearings to rotate forward / backward, since the transmission bearings are inclined, an upward / downward frictional component force will be generated, thereby driving the transmission plate to move up and down along the driving optical axis. This mechanism is driven by the frictional force generated by line contact, is not affected by dust, will not get stuck, and has no reverse error, with high precision. Description of the Drawings

[0014] The following further describes the present utility model with reference to the drawings and specific embodiments, where:

[0015] Figure 1 is the front view of the transmission structure;

[0016] Figure 2 is the front view and partial cross-sectional view of the transmission structure;

[0017] Figure 3 is the bottom view and partial cross-sectional view of the transmission structure;

[0018] Figure 4 is the front view of the transmission plate, transmission columns and transmission bearings.

[0019] Reference Numerals:

[0020] 100. Transmission plate; 101. Transmission hole; 102. Transmission column; 103. Transmission bearing; 104. Adjustment groove; 105. Locking bolt; 106. Set screw; 107. Connection port;

[0021] 200. Driving optical axis. Detailed Embodiments

[0022] In order to better understand the purpose, structure and function of the present utility model, the following further describes in detail the specific embodiments of the "precision transmission structure of a deviation correction device" of the present utility model with reference to the drawings.

[0023] See Figures 1-4 , in this embodiment, the transmission structure includes a transmission plate 100. A transmission hole 101 communicating the upper end face and the lower end face is provided on the transmission plate 100. Three transmission columns 102 are fixedly provided on both the upper end face and the lower end face of the transmission plate 100. The transmission columns 102 are arranged around the transmission hole 101 and are arranged at an included angle of 120 degrees. The transmission columns 102 are all inclined relative to the transmission plate 100. Transmission bearings 103 are vertically and fixedly sleeved on the transmission columns 102. The plane where the transmission bearings 103 are located intersects with the plane where the transmission plate 100 is located at an included angle, and the angle of the included angle is preferably 3-5 degrees; the driving optical axis 200 vertically passes through the transmission hole 101 and is press-fitted with the outer ring of the transmission bearing 103. The driving optical axis 200 does not contact the inner wall of the transmission hole 101. One end of the driving optical axis 200 is connected to a motor (not shown); the motor drives the driving optical axis 200 to rotate forward / backward. The driving optical axis 200 drives the transmission bearing 103 to rotate forward / backward through friction. Since the transmission bearing 103 is inclined relative to the driving optical axis 200, the frictional force of the driving optical axis 200 on the transmission bearing 103 will generate an upward / downward component force, and this component force drives the transmission plate 100 to move up and down along the driving optical axis 200 to achieve the transmission effect. Since this structure is driven by the linear frictional force between the driving optical axis 200 and the transmission bearing 103, it will not be stuck due to the influence of dust, and even when applied in high-dust industries such as non-woven fabrics, its failure rate is relatively low; and the transmission by friction does not have a backlash error like a lead screw and a nut, and its rectification accuracy is high when applied in a rectifying device.

[0024] Further see Figure 1 and Figure 2 , in this embodiment, the inclination directions of the transmission columns 102 on the upper end face and the lower end face of the transmission plate 100 are opposite. In this way, when the driving optical axis 200 rotates forward / backward, the upward / downward frictional forces given to the transmission bearing 103 are in the same direction, the transmission efficiency is high, and the situation where the frictional forces of the transmission bearings 103 on the upper end face and the lower end face interfere with each other and cancel each other will not occur.

[0025] Further see Figure 3 , in this embodiment, an adjustment groove 104 penetrating the upper end face and the lower end face is provided on the transmission plate 100. The adjustment groove 104 extends from the side of the transmission plate 100 inward and passes through the transmission hole 101. An adjustment device is provided on the transmission plate 100 to adjust the spacing of the adjustment groove 104, and further adjust the magnitude of the pressure between the outer ring of the transmission bearing 103 and the driving optical axis 200, which is convenient for the installation and fastening of the driving optical axis 200 and at the same time adjusts the frictional force between the transmission bearing 103 and the driving optical axis 200.

[0026] More specifically, in this embodiment, the adjustment device includes a locking bolt 105, which is inserted from the side of the transmission plate 100 and vertically passes through the adjustment slot 104. Tightening or loosening the locking bolt 105 can adjust the width of the adjustment slot 104, thereby adjusting the pressure between the outer ring of the transmission bearing 103 and the driving optical axis 200. In some embodiments, in order to protect the transmission plate 100, a rubber gasket is provided between the bolt head of the locking bolt 105 and the transmission plate 100.

[0027] See also Figure 2 and Figure 3 In this embodiment, a set bolt 106 is provided on the transmission plate 100. The set bolt 106 is perpendicular to the upper end surface / lower end surface of the transmission plate 100. After the set bolt 106 is tightened, its bottom surface will abut against the locking bolt 105 to prevent the locking bolt 105 from loosening and causing insufficient friction between the transmission bearing 103 and the driving optical axis 200. At the same time, in some embodiments, in order to prevent the set bolt 106 from loosening, glue is applied to the set bolt 106 to make it more secure.

[0028] More specifically, in this embodiment, a connection port 107 is provided on the transmission plate 100 so as to be connected to other components or devices to be driven through the connection port 107 .

[0029] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

Claims

1. A precision transmission structure of a deviation correction device, characterized in that: The invention comprises a transmission plate (100), wherein the transmission plate (100) is provided with a transmission hole (101) communicating with an upper end surface and a lower end surface, wherein the upper end surface and the lower end surface of the transmission plate (100) are both provided with a plurality of transmission columns (102), wherein the transmission columns (102) are arranged at equal angles around the transmission hole (101), and the transmission columns (102) are all arranged obliquely relative to the transmission plate (100), and transmission bearings (103) are vertically fixedly sleeved on the transmission columns (102), and the transmission columns (102) are provided with a plurality of transmission columns (102) and a plurality of ... The plane where the transmission bearing (103) is located intersects with the plane where the transmission plate (100) is located to form an angle; the driving optical axis (200) vertically passes through the transmission hole (101) and is pressed against the outer ring of the transmission bearing (103), and one end of the driving optical axis (200) is connected to the motor; the motor drives the driving optical axis (200) to rotate forward / reverse, thereby driving the transmission bearing (103) to rotate forward / reverse, and further drives the transmission plate (100) to move up and down along the driving optical axis (200).

2. The precise transmission structure of the deviation correction device according to claim 1 is characterized in that: The transmission columns (102) on the upper end surface and the lower end surface of the transmission plate (100) are inclined in opposite directions.

3. The precise transmission structure of the deviation correction device according to claim 2 is characterized in that: The angle between the plane where the transmission bearing (103) is located and the plane where the transmission plate (100) is located is in the range of 3-5 degrees.

4. The precise transmission structure of the deviation correction device according to claim 3 is characterized in that: The transmission plate (100) is provided with an adjustment groove (104) penetrating the upper end surface and the lower end surface. The adjustment groove (104) extends inward from the side of the transmission plate (100) and passes through the transmission hole (101). The transmission plate (100) is provided with an adjustment device to adjust the spacing of the adjustment groove (104), thereby adjusting the pressure between the outer ring of the transmission bearing (103) and the driving optical axis (200).

5. The precise transmission structure of the deviation correction device according to claim 4 is characterized in that: The adjusting device comprises a locking bolt (105), and the locking bolt (105) penetrates from the side of the transmission plate (100) and passes vertically through the adjusting slot (104).

6. The precise transmission structure of the deviation correction device according to claim 5, characterized in that: The transmission plate (100) is provided with a fixing bolt (106), which is perpendicular to the upper end surface / lower end surface of the transmission plate (100) and abuts against the locking bolt (105) to limit the loosening of the locking bolt (105).

7. The precise transmission structure of the deviation correction device according to claim 6 is characterized in that: Glue may be applied on the fixing bolt (106) to prevent the fixing bolt (106) from loosening.

8. A precise transmission structure for a deviation correction device according to any one of claims 1 to 7, characterized in that: The transmission plate (100) is provided with a connection port (107) for connecting a component to be driven.

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