CN117719849A - Corrective agencies and their working methods - Google Patents

Abstract

The invention relates to the technical field of correction mechanisms, and specifically to a correction mechanism and its working method. The correction mechanism includes a lower support, an upper support, a guide roller and two swing direction limiting units; according to the tension characteristics of the required conveyed materials , respectively adjust the angle between the body length direction of the two swing direction limiting units and the body length direction of the lower support base. The angle is ‑30°~+30° to adjust the movement trajectory of the point where the swing center is located, thereby making The correction mechanism is suitable for correcting a variety of materials with different tensions, which improves the versatility of the correction mechanism and solves the problem that the existing correction mechanism can only correct materials transported in a constant direction, making the correction efficiency more efficient.

Description

Corrective agencies and their working methods

Technical field

The present invention relates to the technical field of correction mechanisms, and specifically to a correction mechanism and a working method thereof.

Background technique

During the conveying process of materials, in order to ensure that the direction of travel of the materials does not deviate, it is often necessary to use a correction mechanism to correct the direction of the materials.

The tension of the materials to be conveyed varies. Usually, the swing center of the existing correction mechanism is set according to the tension of the materials to be conveyed. Since the point where the swing center is located is constant or the moving trajectory of the point where the swing center is located is constant, the existing correction mechanism can only be applied to the correction needs of a single material.

At present, the existing correction mechanism has a constant point of the swing center or a constant movement trajectory of the point of the swing center, which cannot be used to correct a variety of materials with different tensions, and has poor versatility.

Contents of the invention

In order to solve the technical problem that the existing correction mechanism has a constant swing center, is not suitable for correcting a variety of materials with different tensions, and has poor versatility, the present invention provides a correction mechanism and a working method thereof.

A correction mechanism provided to achieve the purpose of the present invention includes:

lower support;

The upper support is arranged above the lower support, and the opposite ends can swing to a preset degree;

The guide roller, whose axis is parallel to the body length of the upper support, is installed on the top surface of the upper support, and its opposite ends can swing to a preset degree along with the two ends of the upper support; the guide roller is used to transport materials;

There are two swing direction limiting units; one of the swing direction limiting units is installed on one end of the upper support and the lower support, and is used to limit the swing direction of one end of the upper support; the other swing direction limiting unit is installed on the upper support and the other end of the lower support, used to limit the swing direction of the other end of the upper support; the angle between the body length direction of the two swing direction limiting units and the body length direction of the lower support seat is adjustable respectively.

In some of the specific embodiments, each swing direction defining unit includes:

The guide box has a guide rod inside, and the length direction of the guide rod is the same as that of the guide box; the bottom surface of the guide box is rotationally connected to the lower support;

The slide block is slidably installed on the guide rod, and the top surface is rotationally connected to the upper support.

In some of the specific embodiments, scale lines are provided at opposite ends of the top surface of the lower support respectively;

Correspondingly, the guide boxes of the two swing direction limiting units are respectively provided with indicator needles that match the scale lines.

In some specific embodiments, the scale lines at both ends are -30°~+30° respectively.

In some of the specific embodiments, it also includes:

There are two rotary drives, respectively installed at the opposite ends of the bottom of the lower support; the output shafts of the two rotary drives are fixedly connected to the bottom surfaces of the guide boxes of the two swing direction limiting units in a one-to-one correspondence.

In some of the specific embodiments, it also includes:

For linear actuators, the non-driving end is installed on the top surface of the middle part of the lower support, and the driving end is installed on the bottom surface of the upper support.

In some of the specific embodiments, it also includes:

The first detection sensor is installed at one end of the lower support and is used to detect the edge of the forwardly conveyed material;

The second detection sensor is installed at one end of the lower support and is used to detect the edge of the reversely transported material;

The controller is respectively connected to the first detection sensor and the second detection sensor.

In some specific embodiments, there are two guide rollers, which are respectively installed on opposite sides of the upper support.

Based on the same concept, a working method of the correction mechanism provided by any of the above specific embodiments includes the following steps:

S1. Adjust the angle between the body length direction of the two swing direction limiting units and the body length direction of the lower support base respectively;

S2, enable the opposite ends of the upper support to swing to a preset degree, thereby driving the opposite ends of the guide roller to swing to a preset degree.

Beneficial effects of the present invention: The correction mechanism of the present invention can respectively adjust the angle between the body length direction of the two swing direction limiting units and the body length direction of the lower support base according to the tension characteristics of the required conveyed materials. The angle is - 30°~+30° to adjust the movement trajectory of the swing center point, thereby making the correction mechanism suitable for correcting materials with different tensions, improving the versatility of the correction mechanism. After that, the two ends of the upper support are allowed to swing to a preset degree, which in turn drives the two ends of the guide roller to swing to a preset degree. During the swing process of the two ends of the upper support and the guide roller, the swing direction limiting unit at both ends The mechanical connection point with the upper support serves as a support point to constrain the swing direction of the upper support and the guide roller at both ends. Since the angle between the body length direction of the two swing direction limiting units and the body length direction of the lower support seat can be -30°~+30°, therefore, whether the material is transported forward or reversely, the material can be controlled The direction of travel plays a role in correcting the deviation, which solves the problem that the existing correction mechanism can only correct the material transported in a constant direction. At the same time, by adjusting the angle between the body length direction of the two swing direction limiting units and the body length direction of the lower support base, the correction mechanism is quickly adapted to correct the currently conveyed material, improving the correction efficiency and making the correction efficiency more efficient. To be efficient.

Description of the drawings

Figure 1 is a front view of some specific embodiments of a correction mechanism of the present invention;

Figure 2 is a right side view of the correction mechanism shown in Figure 1;

Figure 3 is a top view of the correction mechanism shown in Figure 1;

Figure 4 is a cross-sectional view along A-A of the correction mechanism shown in Figure 3;

Figure 5 is a schematic diagram of the combined structure of the lower support and the swing direction limiting unit in the correction mechanism shown in Figure 3;

Figure 6 is a schematic diagram of the working principle of the correction mechanism shown in Figure 3.

In the drawings, 110. Lower support; 111. Scale mark; 120. Upper support; 130. Guide roller; 140. Swing direction limiting unit; 141. Guide box; 1411. Guide rod; 1142. Indicator needle; 142. Slider; 150, rotary driver; 160, linear driver; 170, first detection sensor; 180, second detection sensor.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments.

Examples of the embodiments are illustrated in the drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "top", "bottom", "inner", "outer", "axis", "circumferential", etc. are based on those shown in the accompanying drawings. The orientation or positional relationship is only to facilitate the description of the present invention or to simplify the description, and does not indicate or imply 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 a limitation of the present invention.

In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more than two, unless otherwise explicitly and specifically limited.

In the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection", "connection", "fixing", "connection", "hinging" and other terms should be understood in a broad sense, for example, they can be fixed connections. , or it can be detachably connected, or integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal connection of two elements or the mutual connection of two elements. functional relationship. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

It should be noted that the two ends in the longitudinal direction of the swing direction limiting unit/upper support/lower support body are defined as the opposite ends of the swing direction limiting unit/upper support/lower support, and the swing direction limiting unit/ The two ends in the width direction of the upper support/lower support body are defined as the opposite sides of the swing direction limiting unit/upper support/lower support.

As in the background art, usually, the swing center of the existing correction mechanism is set according to the tension of the material to be conveyed. Since the point where the swing center is located is constant or the moving trajectory of the point where the swing center is located is constant, the existing correction mechanism can only be applied to the correction needs of a single material, and cannot be used to correct multiple materials with different tensions, resulting in poor versatility.

In order to improve the above problems, with reference to Figures 1, 2, 3, 4, 5 and 6, a correction mechanism is provided, including a lower support 110, an upper support 120, a guide roller 130 and two swing directions. Define unit 140. The lower support 110 is used to support the upper support 120, the guide roller 130 and the two swing direction defining units 140. The upper support 120 is disposed above the lower support 110 and can swing to a preset degree at its opposite ends. The axis of the guide roller 130 is parallel to the longitudinal direction of the upper support 120 , and is installed on the top surface of the upper support 120 . The opposite ends thereof can swing to a preset degree along with the two ends of the upper support 120 . The guide roller 130 is used to transport materials. One of the swing direction limiting units 140 is installed on one end of the upper support 120 and the lower support 110 and is used to limit the swing direction of one end of the upper support 120 . Another swing direction limiting unit 140 is installed on the upper support 120 and the other end of the lower support 110 to limit the swing direction of the other end of the upper support 120 . The angles between the body length directions of the two swing direction limiting units 140 and the body length direction of the lower support base are respectively adjustable.

It should be noted here that, as shown in FIG. 6 , the body length direction of one of the swing direction limiting units 140 is selected as the first reference line, and the mechanical connection point between the swing direction limiting unit 140 and the upper support 120 is used as the first reference line. The base point is the perpendicular to the first datum line, which is assumed to be the first perpendicular. Select the body length direction of another swing direction limiting unit 140 as the second reference line, and use the mechanical connection point between the swing direction limiting unit 140 and the upper support 120 as the second base point to draw a perpendicular to the second reference line. The line is assumed to be the second perpendicular. The intersection point of the first vertical line and the second vertical line is the point where the swing center is located. It should be pointed out that as the two ends of the upper support 120 and the guide roller 130 swing, the positions of the first base point and the second base point change, and therefore, the position of the swing center also changes. By adjusting the angle between the body length direction of the two swing direction limiting units 140 and the body length direction of the lower support base, the movement trajectory of the point where the swing center is located can be adjusted. During the swing of the upper support 120, the positions of the first base point and the second base point change, and the position of the changed swing center can be determined based on the changed positions of the first base point and the second base point.

The working process and principles of the correction mechanism are as follows:

First, according to the tension characteristics of the materials to be transported, the angle between the body length direction of the two swing direction limiting units 140 and the body length direction of the lower support base is adjusted respectively. The angle is -30°~+30° to adjust The movement trajectory of the point where the swing center is located makes the correction mechanism suitable for correcting materials with different tensions, improving the versatility of the correction mechanism. Afterwards, the two ends of the upper support 120 are allowed to swing to a preset degree, thereby driving the two ends of the guide roller 130 to swing to a preset degree. During the swing process of the two ends of the upper support 120 and the guide roller 130, the The mechanical connection point between the swing direction limiting unit 140 and the upper support 120 serves as a support point for constraining the swing directions of both ends of the upper support 120 and the guide roller 130 . Since the angle between the body length direction of the two swing direction limiting units 140 and the body length direction of the lower support base can be -30°~+30°, therefore, whether the material is transported forward or reversely, the material can be controlled The direction of travel plays a role in correcting the deviation, which solves the problem that the existing correction mechanism can only correct the material transported in a constant direction. At the same time, by adjusting the angle between the body length direction of the two swing direction limiting units 140 and the body length direction of the lower support base, the correction mechanism is quickly adapted to correct the currently conveyed material, improving the correction efficiency and making the correction efficiency More efficient.

Specifically, in the exemplary example, as shown in FIGS. 3 , 4 and 5 , each swing direction defining unit 140 includes a guide box 141 and a slider 142 . A guide rod 1411 is provided inside the guide box 141 , and the guide rod 1411 has the same length direction as the guide box 141 . The bottom surface of the guide box 141 is rotationally connected to the lower support 110 through a rotating shaft and a bearing, so that the guide box 141 can rotate, thereby adjusting the angle between the body length direction of the swing direction limiting unit 140 and the body length direction of the lower support seat. . The slider 142 is slidably installed on the guide rod 1411. The top surface of the slider 142 is rotationally connected to the upper support 120 through a rotating shaft and a bearing, so that the slider 142 can rotate and prevent the slider 142 from getting stuck in the guide box 141. . Scale lines 111 are respectively provided at opposite ends of the top surface of the lower support 110 , and the scale lines 111 at both ends are -30° to +30° respectively. Correspondingly, indicator pins 1142 matching the scale lines 111 are respectively provided on the sides of the guide boxes 141 of the two swing direction defining units 140 that are away from each other. The indicator needle 1142 and the scale mark 111 cooperate with each other to effectively improve the adjustment accuracy when adjusting the body length direction of the guide box 141, thereby achieving the purpose of quantitative adjustment.

It should be noted that the movement trajectories of the swing center points corresponding to the scale line 111-30°~+30° are different. It gradually increases from 0° to +30° or gradually decreases from 0° to -30°, and the corresponding swing radius gradually decreases. Assume that when the indicator needle 1142 points to 0°~+30°, it is used to correct the deviation of materials when conveying materials in the forward direction. Then, when the indicator needle 1142 points to -30°~0°, it is used to correct the deviation of materials when conveying materials in the reverse direction. When the indicator needle 1142 points exactly to 0°, the correction mechanism is a direct push correction mechanism.

Specifically, in the exemplary example, the correction mechanism also includes two rotary drives 150 and one linear drive 160 . The two linear actuators 160 are respectively installed at opposite ends of the bottom of the lower support 110 . The output shafts of the two rotary drivers 150 are fixedly connected to the bottom surfaces of the guide boxes 141 of the two swing direction limiting units 140 in one-to-one correspondence, and are used to drive the corresponding guide boxes 141 to rotate. The non-driving end of the linear driver 160 is installed on the top surface of the middle part of the lower support 110 , and the driving end is installed on the bottom surface of the upper support 120 for driving the opposite ends of the upper support 120 and the guide roller 130 to swing. In this way, the degree of automation is effectively improved, and the movement trajectory of the swing center can be quickly adjusted as needed.

Preferably, the rotation driver 150 is a servo motor or a drive motor or the like.

Preferably, the linear drive 160 is a cylinder, an electric cylinder, an electric push rod, or the like.

Preferably, the lower support 110 is a frame structure with a lower support beam in the middle and lower support plates at opposite ends. The upper support 120 is a frame structure, with an upper support beam in the middle and upper support plates at opposite ends. The upper support 120 and the lower support 110 of the frame structure facilitate the lightweight design of the correction mechanism. The non-driving end of the linear actuator 160 is rotationally connected to the top surface of the lower support beam through a rotating shaft. The driving end of the linear actuator 160 is rotationally connected to the bottom surface of the upper support beam through a rotating shaft. The bottom surface of the guide box 141 is rotationally connected to the lower support plate of the lower support 110 through a rotating shaft and a bearing. The top surface of the slider 142 is rotationally connected to the upper support plate of the upper support 120 through the rotating shaft and bearings.

In order to meet the forward and reverse correction requirements, a first detection sensor 170 and a second detection sensor 180 are respectively installed on opposite sides of one end of the lower support 110 . The first detection sensor 170 is used to detect the edge of the forwardly conveyed material. The second detection sensor 180 is used to detect the edge of the reversely conveyed material. It should be noted that both the first detection sensor 170 and the second detection sensor 180 are infrared sensors. The specific detection principle and detection process are existing technologies and will not be described again here. The controller is electrically connected to the first detection sensor 170 , the second detection sensor 180 , each linear driver 160 , and each rotation driver 150 respectively. According to the material conveying direction, the first detection sensor 170 or the second detection sensor 180 can detect the edge position of the conveyed material and feedback the edge position to the controller. The controller combines the tension characteristics of the material to be conveyed and external actual factors to control the two The two rotary drivers 150 work to make the body length direction of the guide box 141 of the two swing direction limiting units 140 and the body length direction of the lower support base form a certain angle. Then, the controller controls the linear drive 160 to work so that the correction efficiency is more efficient.

Specifically, in the exemplary example, there are two guide rollers 130 , which are respectively installed on opposite sides of the upper support 120 . Compared with a single guide roller 130, it is more conducive to the smooth progress of the correction process.

The correction mechanism can achieve two working modes:

Automatic working mode: When the offset of the edge position of the material is too large or too small, the effect of correcting the deviation operation trajectory is achieved through the rotary driver 150 motor. This control logic enables the correction to always work in an efficient manner and ensures the stability of the correction.

Manual adjustment mode: Due to the different physical properties of the material itself and the multiple influences such as external factors, the maximum angle at which the edge position of the material can be offset is different, and the deviation correction operation trajectory can be manually adjusted.

The invention also provides a working method of the correction mechanism, which includes the following steps: S1. According to the tension of the material, the two rotary drivers 150 respectively adjust the body length direction of the two swing direction limiting units 140 and the body length direction of the lower support base. At an angle. S2. The linear driver 160 enables the opposite ends of the upper support 120 to swing to a preset degree, thereby driving the opposite ends of the guide roller 130 to swing to a preset degree. In this way, the correction mechanism is suitable for correcting a variety of materials with different tensions, which improves the versatility of the correction mechanism. Since the angle between the body length direction of the two swing direction limiting units 140 and the body length direction of the lower support base can be -30°~+30°, therefore, whether the material is transported forward or reversely, the material can be controlled The direction of travel plays a role in correcting the deviation, which solves the problem that the existing correction mechanism can only correct the material transported in a constant direction. At the same time, by adjusting the angle between the body length direction of the two swing direction limiting units 140 and the body length direction of the lower support base, the correction mechanism is quickly adapted to correct the currently conveyed material, improving the correction efficiency and making the correction efficiency More efficient.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "examples," "specific examples," "one specific embodiment," or "some examples" or the like is intended to be in conjunction with the description of the embodiment. or examples describe specific features, structures, materials, or characteristics that are included in at least one embodiment or example of the invention. In this specification, schematic representations of the terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can, within the scope of the disclosure of the present invention, use the technical solutions of the present invention and Any equivalent substitution or change of the inventive concept shall be covered by the protection scope of the present invention.

Claims (9)

1. A deviation rectifying mechanism, comprising:

a lower support;

the upper support is arranged above the lower support, and the opposite ends of the upper support can swing to a preset degree;

the axes of the guide rollers are parallel to the length direction of the upper support and are arranged on the top surface of the upper support, and the opposite ends of the guide rollers can swing along with the two ends of the upper support to the preset degree; the guide roller is used for conveying materials;

the swing direction limiting units are two; one of the swing direction limiting units is arranged at one ends of the upper support and the lower support and used for limiting the swing direction of one end of the upper support; the other swing direction limiting unit is arranged at the other ends of the upper support and the lower support and used for limiting the swing direction of the other ends of the upper support; the included angles between the body length direction of the two swing direction limiting units and the body length direction of the lower supporting seat are respectively adjustable.

2. The deviation rectifying mechanism according to claim 1, wherein each of the swing direction defining units includes:

the guide box is internally provided with a guide rod, and the length direction of the guide rod is the same as the length direction of the guide box; the bottom surface of the guide box is rotationally connected with the lower support;

and the sliding block is slidably arranged on the guide rod, and the top surface of the sliding block is rotationally connected with the upper support.

3. The deviation correcting mechanism according to claim 2, wherein the opposite ends of the top surface of the lower support are respectively provided with scale marks;

correspondingly, the guide boxes of the two swing direction limiting units are respectively provided with an indicating needle matched with the scale marks.

4. A deviation correcting mechanism according to claim 3, wherein the scale marks at the two ends are-30 ° - +30°, respectively.

5. The correction mechanism as set forth in claim 2, further comprising:

the two rotary drivers are respectively arranged at two opposite ends of the bottom of the lower support; the output shafts of the two rotary drivers are fixedly connected with the bottom surfaces of the guide boxes of the two swing direction limiting units in a one-to-one correspondence.

6. The correction mechanism as set forth in claim 2, further comprising:

the linear driver is arranged on the top surface of the middle part of the lower support, and the driving end is arranged on the bottom surface of the upper support.

7. The correction mechanism according to any one of claims 1 to 6, further comprising:

the first detection sensor is arranged at one end of the lower support and is used for detecting the edge of the material conveyed in the forward direction;

the second detection sensor is arranged at one end of the lower support and is used for detecting the edge of the reversely conveyed material;

and the controller is respectively connected with the first detection sensor and the second detection sensor.

8. The correction mechanism as claimed in any one of claims 1 to 6, wherein there are two guide rollers respectively mounted on opposite sides of the upper support.

9. A method of operating a correction mechanism as claimed in any one of claims 1 to 8, comprising the steps of:

s1, respectively adjusting included angles formed between the body length directions of the two swing direction limiting units and the body length direction of the lower supporting seat;

s2, enabling the opposite ends of the upper support to swing to the preset degree, and further driving the opposite ends of the guide roller to swing to the preset degree.