Automatic reflector plate feeding mechanism

Abstract

The utility model relates to an automatic reflector plate feeding mechanism which comprises a bottom plate, a linear module is arranged at the bottom of the bottom plate, and a lifting seat fixedly connected with a sliding table of the linear module is arranged on the sliding table; the top of the lifting base is provided with a vertically-arranged guide column, and the guide column penetrates through the bottom plate and extends upwards. A tray is arranged above the top of the bottom plate, and the bottom of the tray is fixedly connected with the tops of the guide columns; a first adjusting mechanism and a second adjusting mechanism which are arranged in a cross shape are arranged on the top face of the bottom plate, and the first adjusting mechanism and the second adjusting mechanism are both located below the bottom of the tray. According to the automatic feeding mechanism for the reflector plates, the tray can be driven to move up and down through the linear module, so that the reflector plates stacked on the tray can be lifted up and down, the reflector plates can be conveniently grabbed by a grabbing manipulator in the same mode, and the working efficiency is improved; and meanwhile, the reflector plates with different sizes on the tray can be peripherally limited, the use is more flexible, and the adaptability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of the processing of the reflecting sheet for light guide plate, and particularly relates to a reflecting sheet automatic feeding mechanism. BACKGROUND

[0002] The light guide plate is made of optical grade acrylic / PC plate material, and then high-tech material with extremely high reflectivity and no light absorption is used to print light guide points on the bottom surface of the optical grade acrylic plate by UV screen printing technology. The optical grade acrylic plate absorbs the light emitted from the lamp and stays on the surface of the optical grade acrylic plate. When the light hits each light guide point, the reflected light will spread to each angle, and then break the reflection condition to be emitted from the front surface of the light guide plate. Through various light guide points with different densities and sizes, the light guide plate can emit light uniformly. The main function of the reflecting sheet is to increase the reflectivity of the optical surface. The light source that is not scattered through the bottom or periphery of the light guide plate can be reflected into the light guide plate to reduce the process loss of the light source and improve the use efficiency of the light. Under the condition of the same area luminance, the light emitting efficiency is high, and the power consumption is low. During the processing of the light guide plate, the reflecting sheet needs to be assembled with the light guide plate. In order to improve the efficiency and save space, the conventional way is to stack the reflecting sheets together for easy grabbing by the artificial or grabbing manipulator.

[0003] Due to the slow efficiency of manual assembly and the easy pollution of the reflecting sheet, with the progress of science and technology, most of them are changed to automatic processing mode. However, the current operation mode is that the reflecting sheets are stacked together, and the grabbing manipulator grabs layer by layer. However, the height of the stacked reflecting sheets gradually decreases after being grabbed, so a more complex program needs to be set to facilitate the grabbing manipulator to adapt to the gradually decreasing height of the reflecting sheets, so as to facilitate the grabbing of the reflecting sheets. This way increases the difficulty of programming, and the moving of the grabbing manipulator and the gradually decreasing height of the reflecting sheets for grabbing consume more time, and the working efficiency cannot be improved. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a reflecting sheet automatic feeding mechanism which can automatically realize the upward lifting of the stacked reflecting sheets for feeding, facilitate the grabbing of the grabbing manipulator, and improve the working efficiency.

[0005] In order to solve the above technical problem, the utility model is realized by the following technical scheme:

[0006] The utility model relates to an automatic loading mechanism of a reflecting sheet, which comprises a bottom plate, a linear module vertically arranged at the bottom of the bottom plate, a lifting seat fixedly connected to the linear module and arranged on the sliding table of the linear module, the linear module driving the sliding table to drive the lifting seat to move up and down, a guide column vertically arranged at the top of the lifting seat, the guide column penetrating through the guide sleeve arranged at the bottom of the bottom plate and extending upwards above the top of the bottom plate, a tray for carrying the reflecting sheet arranged above the top of the bottom plate, the bottom of the tray being fixedly connected to the top of the guide column, the guide column driving the tray to move up and down, a first adjusting mechanism and a second adjusting mechanism arranged on the top surface of the bottom plate, the first adjusting mechanism and the second adjusting mechanism being arranged in a cross shape, the second adjusting mechanism being arranged above the first adjusting mechanism and not interfering with each other, and the first adjusting mechanism and the second adjusting mechanism being arranged below the bottom of the tray.

[0007] Further, the first adjusting mechanism comprises a first bidirectional screw rod horizontally arranged on the bottom plate, the first bidirectional screw rod being installed on the bottom plate through a first bearing seat, one end of the first bidirectional screw rod being provided with a first hand wheel capable of driving the first bidirectional screw rod to rotate, two thread segments with different rotation directions being arranged on the first bidirectional screw rod, first screw rod nuts being screwed on the two thread segments, the top of each of the two first screw rod nuts being provided with a first movable seat, the two first movable seats being symmetrically arranged left and right, the top of each of the first movable seats being provided with a horizontal limiting rod vertically arranged, the part of the tray corresponding to the horizontal limiting rod being provided with a horizontal connecting groove horizontally arranged and in communication with the outer end of the tray, and the horizontal limiting rod being capable of moving left and right in the corresponding horizontal connecting groove.

[0008] Further, the bottom plate is provided with a group of first linear guides parallel to each other and arranged at the left and right sides of the first bidirectional screw rod, and the bottom of each of the first movable seats is fixedly connected to a sliding block on the first linear guide.

[0009] Further, the second adjusting mechanism comprises a second bidirectional screw rod longitudinally arranged on the bottom plate, the second bidirectional screw rod being installed on the bottom plate through a second bearing seat, one end of the second bidirectional screw rod being provided with a second hand wheel capable of driving the second bidirectional screw rod to rotate, the second bidirectional screw rod being arranged above the first adjusting mechanism, two thread segments with different rotation directions being arranged on the second bidirectional screw rod, second screw rod nuts being screwed on the two thread segments, the top of each of the two second screw rod nuts being provided with a second movable seat, the two second movable seats being symmetrically arranged front and back, the top of each of the second movable seats being provided with a longitudinal limiting rod vertically arranged, the part of the tray corresponding to the longitudinal limiting rod being provided with a longitudinal connecting groove longitudinally arranged and in communication with the outer end of the tray, and the longitudinal limiting rod being capable of moving front and back in the corresponding longitudinal connecting groove.

[0010] Further, a group of second linear guides parallel to the second bidirectional screw rod are arranged on the left and right sides of the bottom plate, and the bottom of the second movable seat is fixedly connected with the sliders on the second linear guides.

[0011] Further, a vertical stand is arranged on the second bearing seat, and a position sensor is arranged on the vertical stand near the top.

[0012] Further, a pressure sensor is embedded on the tray near the center.

[0013] Further, a limiting column is arranged on the top of the bottom plate, and the limiting column is below the bottom of the tray.

[0014] Further, the guide column has two guide columns.

[0015] Compared with the prior art, the beneficial effects of the reflective sheet automatic feeding mechanism are as follows: the linear module can drive the tray to move up and down, so that the reflective sheets stacked on the tray can move up and down, the grabbing manipulator can grab the reflective sheets in the same mode, and the work efficiency is improved; meanwhile, the transverse limiting rod can move left and right through the first adjusting mechanism, so that the length of the reflective sheets on the tray can be adjusted, and the longitudinal limiting rod can move forward and backward through the second adjusting mechanism, so that the width of the reflective sheets on the tray can be adjusted, and the reflective sheets on the tray can be circumferentially limited in different sizes, so that the use is more flexible and the adaptability is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0017] Figure 1 is a front view of a shaft side structure of the reflective sheet automatic feeding mechanism of the present application;

[0018] Figure 2 is a side view of a shaft side structure of the reflective sheet automatic feeding mechanism of the present application;

[0019] Figure 3 is a bottom view of the reflective sheet automatic feeding mechanism of the present application;

[0020] Figure 4 is a structure diagram of the reflective sheet automatic feeding mechanism of the present application located at the bottom of the tray;

[0021] Figure 5 Figure 1 is a schematic view of the structure located at the top of the bottom plate in the automatic feeding mechanism of the reflector sheet.

[0022] In the figure: 1, bottom plate; 11, limiting column; 2, linear module; 21, lifting seat; 211, guide column; 3, first adjusting mechanism; 31, first bidirectional screw rod; 311, first hand wheel; 312, first screw nut; 313, first movable seat; 314, first bearing seat; 32, first linear guide rail; 4, second adjusting mechanism; 41, second bidirectional screw rod; 411, second hand wheel; 412, second screw nut; 413, second movable seat; 414, second bearing seat; 42, second linear guide rail; 5, tray; 51, transverse link groove; 52, longitudinal link groove; 6, transverse limiting rod; 7, vertical rod; 71, position sensor; 8, longitudinal limiting rod; 9, pressure sensor. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In the description of the embodiments of the present application, it should be explained that if the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, or is the orientation or positional relationship of the product of the present application when it is usually placed, it is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0025] In addition, if the terms "horizontal", "vertical" and the like are used, it does not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal than "vertical", and does not mean that the structure or component must be completely horizontal, but can be slightly inclined.

[0026] In the description of the embodiments of the present application, "a plurality of" represents at least 2.

[0027] In the description of the embodiments of the present application, it should be further pointed out that, unless otherwise explicitly specified and limited, if the terms "set", "install", "connect", "connect" appear, it should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or integrally connected; 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 communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Embodiments

[0029] Please refer to the drawings attached to the specification Figures 1 to 3 shown in the drawings attached to the specification Figures 1 to 3 The specific embodiment of the present application is shown in the drawings, which is a kind of automatic feeding mechanism of reflecting sheet, it includes bottom plate 1, bottom plate 1 upper and lower two sides horizontal, it can be installed on the machine table, cooperate with the setting of grabbing manipulator on machine table and use;The bottom plate 1 bottom has vertically arranged linear module 2, linear module 2 is fixedly installed on the bottom surface of bottom plate 1, vertically arranged linear module 2 its sliding table can be linearly moved up and down, the sliding table of linear module 2 is provided with lifting seat 21 fixedly connected therewith, lifting seat 21 is fixedly connected with the sliding table of linear module 2 by bolt, linear module 2 can drive the sliding table to drive lifting seat 21 to move up and down;The top of lifting seat 21 has vertically arranged guide column 211, the guide column 211 has two, diagonally arranged, the top of guide column 211 vertically penetrates the guide sleeve arranged on the bottom of bottom plate 1 and extends above the top of bottom plate 1, it should be noted that the guide column 211 and the guide sleeve are in sliding fit, at the same time, bottom plate 1 is provided with link hole in communication with the guide sleeve, the hole diameter of the link hole is greater than the diameter of guide column 211, which does not interfere with the up-down movement of guide column 211, and the guide sleeve is fixedly installed on the bottom of bottom plate 1 by bolt, which is convenient for disassembly and assembly;Refer to the drawings attached to the specification Figure 1 and 2As shown, the top of the bottom plate 1 is provided with a tray 5 for carrying the reflective sheet, the tray 5 is rectangular structure, the bottom of the tray 5 and the top of the guide column 211 are fixedly connected together by bolts, when the guide column 211 is driven to move up and down by the linear module 2, it can drive the tray 5 to move up and down synchronously; in order to be able to limit the horizontal position of the reflective sheet stacked on the tray 5, prevent it from falling or tilting, affect the grabbing, the top surface of the bottom plate 1 is provided with a first adjusting mechanism 3 and a second adjusting mechanism 4, the first adjusting mechanism 3 and the second adjusting mechanism 4 are located below the bottom of the tray 5, it should be noted that the first adjusting mechanism 3 and the second adjusting mechanism 4 are arranged in the shape of "ten", that is, the first adjusting mechanism 3 is arranged horizontally along the left-right length direction of the bottom plate 1, and is arranged on the transverse center line of the bottom plate 1, the second adjusting mechanism 3 is arranged vertically along the front-rear width direction of the bottom plate 1, and is arranged on the longitudinal center line of the bottom plate 1, and the second adjusting mechanism 4 is arranged above the first adjusting mechanism 3, and they do not interfere with each other. In order to be able to limit the descending height of the tray 5, prevent its bottom surface from being lowered too low to touch the second adjusting mechanism 4 and cause production accidents, the top of the bottom plate 1 is provided with a limiting column 11, the limiting column 11 is located below the bottom of the tray 5, it has two, arranged diagonally, and the two limiting columns 11 are arranged in a rectangular array with the two guide columns 211, it should be noted that the bottom surface of the limiting column 11 is fixedly connected with the top surface of the bottom plate 1, its top surface is horizontal, and it is not connected with the bottom surface of the tray 5; in order to be able to detect whether there is a reflective sheet on the tray 5 in real time, a pressure sensor 9 is embedded near the center of the tray 5, the pressure sensor 9 is electrically connected with the external PLC controller; further, in order to be able to limit the horizontal position of the reflective sheet on the tray 5, participate in the description of the accompanying drawings Figure 1 、 2, 4 and 5, the first adjusting mechanism 3 comprises a first bidirectional screw rod 31 horizontally arranged on the base plate 1, the second adjusting mechanism 4 comprises a second bidirectional screw rod 41 longitudinally arranged on the base plate 1, the first bidirectional screw rod 31 and the second bidirectional screw rod 41 are the same in structure, both are two sections of threads with different rotation directions formed on a screw rod, and each section of thread is provided with a screw nut matched with the thread, when the screw rod rotates, the two screw nuts on the same bidirectional screw rod can realize fast approaching or separating, thereby generating the required mechanical function. Further, the first bidirectional screw rod 31 is installed on the base plate 1 through a first bearing seat 314, the first bearing seat 314 has two blocks, the blocks are movably connected with the first bidirectional screw rod 31 through bearings, and one end of the first bidirectional screw rod 31 extends outward through the corresponding first bearing seat 314, the end of the extending section is provided with a first hand wheel 311 capable of driving the rotation, the first bidirectional screw rod 31 is screwed with a first screw nut 312 on each section of thread with different rotation directions, the top of each first screw nut 312 is provided with a first movable seat 313, the two first movable seats 313 are symmetrically arranged, when the first hand wheel 311 drives the first bidirectional screw rod 31 to rotate clockwise or counterclockwise, the two first screw nuts 312 on the first bidirectional screw rod 312 move leftward or rightward along the length direction of the first bidirectional screw rod 312, thereby driving the two first movable seats 313 connected respectively to move synchronously; in order to limit the leftward and rightward directions of the reflector on the tray 5, the top of the first movable seat 313 is provided with a vertical transverse limiting rod 6, the transverse limiting rods 6 on the left and right first movable seats 313 are symmetrically arranged, and each first movable seat 313 is provided with at least two transverse limiting rods 6, through the opposite or reverse movement of the two first movable seats 313 on the first bidirectional screw rod 31, the symmetrically transverse limiting rods 6 move synchronously opposite or reversely, thereby adjusting the leftward and rightward spacing between the corresponding two transverse limiting rods 6; in order to facilitate the loading of the tray 5, meanwhile, the transverse limiting rods 6 do not interfere with each other, the part of the tray 5 corresponding to the transverse limiting rod 6 is provided with a transverse connecting groove 51 horizontally arranged and in communication with the outer end of the tray 5, the transverse limiting rod 6 can move leftward and rightward in the corresponding transverse connecting groove 51, thereby adjusting the spacing between the symmetrically transverse limiting rods 6; in order to ensure the stability of the movement of the first movable seat 313, referring to Figs. Figure 4 and 5 , the base plate 1 is provided with a group of first linear guides 32 parallel to each other on the left and right sides of the first bidirectional screw rod 31, the first linear guide 32 is composed of a slide rail and a sliding block slidingly arranged on the slide rail, each slide rail is provided with two sliding blocks, and the bottoms of the two first movable seats 313 on the first adjusting mechanism 3 are fixedly connected with the two sliding blocks on the first linear guide 32.

[0030] Referring to the drawings Figure 4 and 5 As shown in the drawings, the second bidirectional screw rod 41 is installed on the bottom plate 1 through a second bearing seat 414, which has two blocks that are movably connected with the second bidirectional screw rod 41 through bearings. It is to be noted that the second bidirectional screw rod 41 is longitudinally arranged above the top of the first bidirectional screw rod 31, and the second bidirectional screw rod 41 and the first bidirectional screw rod 31 are arranged in a cross shape and do not interfere with each other. One end of the second bidirectional screw rod 41 extends outward through the corresponding second bearing seat 414, and the end of the extension section is provided with a second hand wheel 411 capable of driving the rotation thereof. Two second screw rod nuts 412 are screwed on the two thread sections with different rotation directions on the second bidirectional screw rod 41, and the top of each of the two second screw rod nuts 412 is provided with a second movable seat 413. The two second movable seats 413 are symmetrically arranged left and right. When the second hand wheel 411 drives the second bidirectional screw rod 41 to rotate clockwise or counterclockwise, the two second screw rod nuts 412 on the second bidirectional screw rod 41 move forward or backward along the length direction of the second bidirectional screw rod 412, thereby driving the two second movable seats 413 connected thereto to move synchronously. In order to limit the front and back directions of the reflector on the tray 5, the top of the second movable seat 413 is provided with a vertical longitudinal limiting rod 8 arranged vertically. The longitudinal limiting rods 8 on the front and back second movable seats 413 are symmetrically arranged front and back, and each second movable seat 413 is provided with at least two longitudinal limiting rods 8. Through the forward or backward movement of the two second movable seats 413 on the second bidirectional screw rod 41, the symmetrically arranged longitudinal limiting rods 8 are synchronously moved forward or backward, thereby adjusting the front and back spacing between the corresponding two longitudinal limiting rods 8. In order to facilitate the loading of the tray 5 and to avoid interference with the longitudinal limiting rods 8, the position corresponding to the longitudinal limiting rods 8 on the tray 5 is provided with a longitudinal connecting groove 52 arranged longitudinally and in communication with the outer end of the tray 5. The longitudinal limiting rods 8 can move left and right in the corresponding longitudinal connecting groove 52, thereby adjusting the spacing between the symmetrically arranged longitudinal limiting rods 8. Figure 4 and 5 As shown in the drawings, the bottom plate 1 is provided with a group of second straight linear guides 42 arranged symmetrically on the left and right sides of the second bidirectional screw rod 41. The second straight linear guides 42 are composed of a slide rail and a sliding block arranged on the slide rail. Each slide rail is provided with two sliding blocks, and the bottoms of the two second movable seats 413 on the second adjusting mechanism 4 are fixedly connected with the two sliding blocks on the second straight linear guides 42.

[0031] In order to monitor the position of the top reflector on the tray 5, the second bearing seat 414 has a vertically arranged upright 7. The two uprights 7 on the two second bearing seats 414 are symmetrically arranged front and back. A position sensor 71 is arranged near the top of the upright 7. The two sets of position sensors 71 on the two uprights 7 are symmetrically arranged front and back and are electrically connected to an external PLC controller.

[0032] The specific working principle is as follows: During operation, several reflective sheets are stacked on tray 5. The operator rotates the first handwheel 311 to control the two first movable seats 313 on the first bidirectional lead screw 31 to move towards each other, causing the symmetrical transverse limiting rods 6 on the two first movable seats 313 to move towards each other, thus limiting the left and right sides of the reflective sheets on tray 5. It should be noted that a small gap is left between the transverse limiting rods 6 and the left and right sides of the reflective sheets to avoid mutual contact. Then, the operator rotates the second handwheel 411 to control the two second movable seats 413 on the second bidirectional lead screw 41 to move towards each other, causing the symmetrical transverse limiting rods 8 on the two second movable seats 413 to move towards each other, thus limiting the front and rear sides of the reflective sheets on tray 5. It should be noted that a small gap is left between the longitudinal limiting rod 8 and the front and rear sides of the reflector to avoid mutual contact. The circumferential limiting rods 6 and 8 limit the reflectors stacked on the tray 5 to ensure that they do not tilt or fall over, making it easy for the gripping robot to grasp them accurately. The topmost reflector placed on the tray 5 is lifted upward by the linear module 2 and is always at the same horizontal position as the two position sensors 71, which facilitates the gripping robot to pick up the material in an oriented manner and improves work efficiency. That is, after the reflector is taken out, the linear module 2 drives the guide column 211 to rise, and the guide column 211 drives the tray 5 on top to rise until the topmost reflector is at the same horizontal position as the two position sensors 71.

[0033] This automatic reflector feeding mechanism can drive the tray 5 to move up and down through the linear module 2, thereby enabling the reflectors stacked on the tray 5 to move up and down. This facilitates the gripping robot to pick up the reflectors in the same mode, improving work efficiency. At the same time, the lateral limiting rod 6 can be adjusted in the left and right directions through the first adjustment mechanism 3, which is convenient for adapting to the length of the reflectors on the tray 5. The longitudinal limiting rod 8 can be adjusted in the front and back directions through the second adjustment mechanism 4, which is convenient for adapting to the width of the reflectors on the tray 5. Together, they can achieve circumferential limiting of reflectors of different sizes on the tray 5, making it more flexible and adaptable.

[0034] It should be emphasized that the above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic feeding mechanism for reflective sheets, characterized in that: The utility model relates to a kind of vertical and horizontal adjustment mechanism, including bottom plate (1), the bottom of the bottom plate (1) has vertically arranged linear module (2), and the slide of linear module (2) is provided with lifting seat (21) fixedly connected with it, and the slide of linear module (2) drives slide platform can drive the lifting seat (21) up and down lifting activity;The top of the lifting seat (21) has vertically arranged guide pillar (211), and the guide pillar (211) passes through the guide sleeve arranged in the bottom of bottom plate (1) and extends upwards above the top of bottom plate (1);The top of the bottom plate (1) is provided with tray (5) for carrying reflective sheet, and the bottom of the tray (5) is fixedly connected with the top of guide pillar (211), and guide pillar (211) can drive the tray (5) up and down lifting activity;The top surface of the bottom plate (1) is provided with first adjusting mechanism (3) and second adjusting mechanism (4), and first adjusting mechanism (3) and second adjusting mechanism (4) are arranged in "cross” shape, wherein the second adjusting mechanism (4) is erected above the first adjusting mechanism (3), and do not interfere with each other, while the first adjusting mechanism (3) and the second adjusting mechanism (4) are located below the bottom of tray (5).

2. The automatic loading mechanism of the reflective sheet according to claim 1, characterized in that: The first adjusting mechanism (3) includes first bidirectional screw rod (31) transversely arranged on the bottom plate (1), and the first bidirectional screw rod (31) is installed on the bottom plate (1) by first bearing seat (314), and one end is provided with first hand wheel (311) capable of driving rotation, and the first bidirectional screw rod (31) is screwed with first screw rod nut (312) on two thread segments of different rotation directions, and the top of the two first screw rod nuts (312) is provided with first movable seat (313), and the two first movable seats (313) are symmetrically arranged, and the top of the first movable seat (313) has vertically arranged transverse limiting rod (6), and the part corresponding to transverse limiting rod (6) on the tray (5) has transversely arranged and transversely arranged and communicated with the outer end of the tray (5) transverse link groove (51), and transverse limiting rod (6) can move left and right in corresponding transverse link groove (51).

3. The automatic loading mechanism of the reflective sheet according to claim 2, characterized in that: The bottom plate (1) is provided with a group of first linear guide rails (32) parallel to each other on the left and right sides of the first bidirectional screw rod (31), and the bottom of the first movable seat (313) is fixedly connected with the slider on the first linear guide rail (32).

4. The automatic loading mechanism of the reflective sheet according to claim 1, characterized in that: Said second adjusting mechanism (4) comprises a second bidirectional screw rod (41) longitudinally arranged on the bottom plate (1), the second bidirectional screw rod (41) is installed on the bottom plate (1) through a second bearing seat (414), one end of the second bidirectional screw rod (41) is provided with a second hand wheel (411) capable of driving the rotation thereof, the second bidirectional screw rod (41) is arranged above the first adjusting mechanism (3), the second bidirectional screw rod (41) is screwed with a second screw rod nut (412) on two thread sections with different rotation directions, the top of the two second screw rod nuts (412) is provided with a second movable seat (413), the two second movable seats (413) are symmetrically arranged front and back, the top of the second movable seat (413) is provided with a vertical longitudinal limiting rod (8), the tray (5) is provided with a vertical longitudinal connecting groove (52) vertically arranged and in communication with the outer end of the tray (5) at the position corresponding to the vertical longitudinal limiting rod (8), and the vertical longitudinal limiting rod (8) can move front and back in the corresponding vertical longitudinal connecting groove (52).

5. The automatic loading mechanism of the reflective sheet according to claim 4, characterized in that: A group of second straight line guides (42) parallel to each other are arranged on the left and right sides of the second bidirectional screw rod (41) on the bottom plate (1), and the bottom of the second movable seat (413) is fixedly connected with the sliding block on the second straight line guide (42).

6. The automatic loading mechanism of the reflective sheet according to claim 4, characterized in that: The second bearing seat (414) is provided with a vertical vertical rod (7), and the vertical rod (7) is provided with a position sensor (71) near the top.

7. The automatic loading mechanism of the reflective sheet according to claim 1, characterized in that: The tray (5) is provided with a pressure sensor (9) near the center.

8. The automatic loading mechanism of the reflective sheet according to claim 1, characterized in that: The bottom plate (1) is provided with a limiting column (11) on the top, and the limiting column (11) is located below the bottom of the tray (5).

9. The automatic loading mechanism of the reflective sheet according to claim 1, characterized in that: The guide column (211) has two.

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