Material storage box

Abstract

The utility model relates to a material storage box, which belongs to the technical field of surface mounting equipment, and comprises a driving device, a moving part and a box body with a material belt inlet, the box body comprises a fixed side wall and a moving side wall, the fixed side wall and the moving side wall are positioned on two opposite sides of the material belt inlet, and the driving device is in driving connection with the moving part. The moving part is fixedly connected with the moving side wall, the driving device can drive the moving part to move in a reciprocating mode, then the moving side wall is driven to move in the direction close to or away from the fixed side wall, and therefore the width of the material belt inlet is adjusted. Therefore, the distance between the fixed side wall and the movable side wall is changed, the width of the material belt inlet is compatible with the width of a material belt needing to be guided in, the material belts with multiple specifications and widths can be cached, and compatibility and adaptability are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to surface mount equipment technical field, especially relate to a material storage box. BACKGROUND

[0002] In recent years, the SMT (Surface Mount Technology) industry develops rapidly in China. With the increasing labor costs and the increasing market demand for quality, factories gradually use automated equipment to replace manual labor in the production process. SMT material belt receiving equipment is one of them. The current receiving equipment is developing towards full automation. In this evolution process, new equipment is gradually introduced. The new equipment involves new layout.

[0003] The current material storage box for material belt on the market cannot adjust the width of the material storage box inlet track, which can only cache material belts of a single width, limiting the compatibility of the receiving equipment. In order to improve compatibility, it is particularly important to design a material storage box that can cache material belts of different widths, so that material belts of more widths such as 8mm, 12mm, 16mm, and 24mm can be loaded into the material storage box.

[0004] Therefore, a material storage box that can cache material belts of multiple specifications and widths is urgently needed. INVENTION CONTENTS

[0005] The utility model provides a material storage box to solve the technical problem that the material storage box in the prior art cannot be compatible with material belts of multiple specifications and widths.

[0006] The utility model realizes the following technical scheme: a material storage box, comprising a driving device, a moving part, and a box body with a material belt inlet, the box body comprises a fixed side wall and a moving side wall, the fixed side wall and the moving side wall are located on opposite sides of the material belt inlet, the driving device is drivingly connected with the moving part, the moving part is fixedly connected with the moving side wall, the driving device can drive the moving part to reciprocate, thereby driving the moving side wall to move in the direction of approaching or moving away from the fixed side wall, so as to adjust the width of the material belt inlet.

[0007] In order to better realize the utility model, the moving part comprises a lead screw, a bearing, and a width adjusting slider, the bearing and the width adjusting slider are fixed on the fixed side wall and the moving side wall respectively, one end of the lead screw is connected with the bearing, and the lead screw is drivingly connected with the driving device, the other end of the lead screw and the width adjusting slider form a ball screw pair.

[0008] For better implementation of the utility model, further optimization is made in the above structure, the driving device includes width adjusting motor, transmission belt and transmission wheel, the number of the moving part is multiple, multiple moving parts are arranged on the edge of the box body, one end of the lead screw of each moving part is provided with the transmission wheel, the transmission belt is arranged on all the transmission wheels, the power output shaft of the width adjusting motor is in transmission connection with one of the lead screws.

[0009] For better implementation of the utility model, further optimization is made in the above structure, further including runner mechanism, wheel disc mechanism and clamping mechanism, the runner mechanism and the wheel disc mechanism are arranged at both ends of the material belt inlet, for introducing the material belt into the box body, the clamping mechanism is arranged above the box body, the output end of the clamping mechanism cooperates with the runner mechanism and the wheel disc mechanism to clamp the material belt.

[0010] For better implementation of the utility model, further optimization is made in the above structure, the runner mechanism includes runner motor, driving wheel and limit wheel, the runner motor is fixed on the fixed side wall, the driving wheel is fixed on the power output shaft of the runner motor, the limit wheel is fixed on the moving side wall and is coaxially aligned with the driving wheel, the driving wheel and the limit wheel have a spacing.

[0011] For better implementation of the utility model, further optimization is made in the above structure, the wheel disc mechanism includes first wheel disc and second wheel disc, the first wheel disc is fixed on the fixed side wall, the second wheel disc is fixed on the moving side wall and is coaxially aligned with the first wheel disc, the first wheel disc and the second wheel disc have a spacing, the opposite side of the first wheel disc and the second wheel disc is provided with a circular table, the circular table is used for receiving the material belt.

[0012] For better implementation of the utility model, further optimization is made in the above structure, the clamping mechanism includes rack, first fixed plate, second fixed plate, first clamping wheel, second clamping wheel and pressing plate, the box body and the first fixed plate are fixed on the rack, the second fixed plate is slidingly connected on the first fixed plate and is movably arranged along Y axis direction, the pressing plate is slidingly connected on the second fixed plate and is movably arranged along Z axis direction, the first clamping wheel and the second clamping wheel are respectively arranged at both ends of the pressing plate and are respectively aligned with the runner mechanism and the wheel disc mechanism along Z axis direction, the middle part of the pressing plate is aligned with the material belt inlet.

[0013] In order to better realize the utility model, further optimization is made to the above structure, and the utility model also comprises a first telescopic motor, a sliding plate and a first guide rail, the first guide rail is arranged on the first fixed plate along the Y-axis direction, the first telescopic motor is arranged at one end of the first guide rail, the first guide rail is provided with a first sliding block, the first sliding block is fixedly connected with the sliding plate, one end of the sliding plate is connected with the output shaft of the first telescopic motor, and the other end of the sliding plate is connected with the second fixed plate perpendicularly.

[0014] In order to better realize the utility model, further optimization is made to the above structure, and the utility model also comprises a second telescopic motor, a connecting plate and a second guide rail, the second guide rail is arranged on the second fixed plate along the Z-axis direction, the second telescopic motor is arranged at the top end of the second guide rail, the second guide rail is provided with a second sliding block, the second sliding block is fixedly connected with the pressing plate, one end of the connecting plate is connected with the output shaft of the second telescopic motor, and the other end of the connecting plate is connected with the pressing plate.

[0015] In order to better realize the utility model, further optimization is made to the above structure, and the utility model also comprises a positioning mechanism, the positioning mechanism is slidably connected on the rack and is movably arranged along the Z-axis direction, the positioning mechanism comprises a third telescopic motor, a positioning plate, a positioning seat and a cushion block, the positioning seat is provided with a third guide rail, the third telescopic motor is arranged at one end of the third guide rail, a third sliding block is slidably connected on the third guide rail, one end of the third sliding block is connected with the output shaft of the third telescopic motor, the other end of the third sliding block is connected with the positioning plate, the positioning plate is used for adjusting the alignment of the material belt with the rotating wheel mechanism and the wheel disc mechanism, and the cushion block is arranged at one end of the box body and is aligned with the positioning seat in the Z-axis direction.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The storage box comprises a driving device, a moving part and a box body with a material belt inlet, the box body comprises a fixed side wall and a moving side wall, the fixed side wall and the moving side wall are located at opposite sides of the material belt inlet, the driving device is drivingly connected with the moving part, the moving part is fixedly connected with the moving side wall, the driving device can drive the moving part to reciprocatingly move, thereby driving the moving side wall to move in the direction of approaching or deviating from the fixed side wall, so as to adjust the width of the material belt inlet. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0019] Figure 1 is a perspective view of the storage box in the present application;

[0020] Figure 2 is a perspective view of the storage box in the present application;

[0021] Figure 3 is a structural schematic view of the box body in the present application;

[0022] Figure 4 is a structural schematic view of the box body in the present application;

[0023] Figure 5 is a structural schematic view of the pressing mechanism in the present application;

[0024] Figure 6 is a structural schematic view of the pressing mechanism in the present application;

[0025] Figure 7 is a structural schematic view of the positioning mechanism and the wheel belt mechanism in the present application.

[0026] In the drawings:

[0027] 1-box body; 2-width adjusting motor; 3-material belt inlet; 4-screw rod; 5-bearing; 6-width adjusting sliding block; 7-transmission belt; 8-transmission wheel; 9-rotation wheel motor; 10-driving wheel; 11-limiting wheel; 12-first wheel disc; 13-second wheel disc; 14-circular table; 15-rack; 16-first fixed plate; 17-second fixed plate; 18-first clamping wheel; 19-second clamping wheel; 20-pressing plate; 21-first telescopic motor; 22-sliding plate; 23-first guide rail; 24-first sliding block; 25-second telescopic motor; 26-connection plate; 27-second guide rail; 28-second sliding block; 29-third telescopic motor; 30-positioning plate; 31-positioning seat; 32-pad; 33-third guide rail; 34-fourth guide rail; 35-third sliding block; 36-driving motor; 37-driving wheel; 38-driven wheel; 39-belt body; 40-clamping mechanism; 41-positioning mechanism; 42-wheel belt mechanism; 43-fixed side wall; 44-movable side wall. DETAILED DESCRIPTION

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] In the description of this utility model, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Example 1:

[0032] In this embodiment, a storage bin, such as Figures 1 to 7 As shown, the device includes a drive unit, a moving part, and a box body 1 with a material belt inlet 3. Specifically, the box body 1 includes a fixed side wall 43 and a moving side wall 44, which are located on opposite sides of the material belt inlet 3. The drive unit is driven to the moving part, and the moving part is fixedly connected to the moving side wall 44. The drive unit is used to drive the moving part to reciprocate, thereby causing the moving side wall 44 to move in a direction close to or away from the fixed side wall 43, thereby adjusting the width of the material belt inlet 3.

[0033] With this structure, the moving sidewall 44 is driven by the driving device to move in a direction close to or away from the fixed sidewall 43, thereby changing the distance between the fixed sidewall 43 and the moving sidewall 44, so that the width of the material inlet 3 is compatible with the required width of the material belt to be introduced, and can buffer material belts of multiple widths, thereby improving compatibility and adaptability.

[0034] As a specific embodiment of the present embodiment, as shown in Figure 3 and Figure 4 , the moving part includes a lead screw 4, a bearing 5 and a width adjusting slider 6, the bearing 5 and the width adjusting slider 6 are fixed on the fixed side wall 43 and the moving side wall 44 respectively, one end of the lead screw 4 is connected to the bearing 5 and is in transmission connection with the driving device, the fixed end of the driving device is fixedly connected with the fixed side wall 43, the other end of the lead screw 4 forms a ball screw pair with the width adjusting slider 6, the driving device drives the lead screw 4 to rotate, thereby driving the width adjusting slider 6 to translate along the lead screw 4, and further driving the moving side wall 44 to move synchronously, so that the width of the material belt inlet 3 changes to adapt to the width of the material belt to be stored.

[0035] Further, as shown in Figure 4 , the driving device includes a width adjusting motor 2, a transmission belt 7 and a transmission wheel 8, the number of the moving parts is multiple, the width adjusting motor 2 drives all the moving parts to move synchronously through the transmission belt 7 and the transmission wheel 8, specifically, multiple moving parts are arranged at the edges of the box body 1, one end of the lead screw 4 of each moving part is provided with the transmission wheel 8, the transmission belt 7 is wound around all the transmission wheels 8, the power output shaft of the width adjusting motor 2 is in transmission connection with one of the lead screws 4, thereby driving the width adjusting sliders 6 on all the lead screws 4 to move synchronously, and further driving the edges of the fixed side wall 43 and the moving side wall 44 to move synchronously at each position, so as to ensure that the widths at each position are equal.

[0036] According to a preferred embodiment, as shown in Figure 3 and Figure 4 , further comprising a rotating wheel mechanism, a wheel disc mechanism and a clamping mechanism 40, the rotating wheel mechanism and the wheel disc mechanism are arranged at both ends of the material belt inlet 3 for introducing the material belt into the box body 1, the clamping mechanism 40 is arranged above the box body 1, the output end of the clamping mechanism 40 cooperates with the rotating wheel mechanism and the wheel disc mechanism to clamp the material belt, the free end of the material belt is clamped and fixed by the clamping mechanism 40 and the wheel disc mechanism, one end of the material belt connected to the material disc is clamped and fixed by the clamping mechanism 40 and the rotating mechanism, when operating, the material belt is laid flat on the rotating wheel mechanism and the wheel disc mechanism by using a mechanical arm, the clamping mechanism 40 cooperates with the rotating wheel mechanism and the wheel disc mechanism to clamp the material belt, the rotating wheel mechanism is rotated to make the material belt inwardly recessed towards the material belt inlet 3, and the rotating wheel mechanism is continuously rotated to continuously introduce the material belt in the material disc into the box body 1.

[0037] Specifically, the rotating wheel mechanism comprises a rotating wheel motor 9, a driving wheel 10 and a limiting wheel 11, the rotating wheel motor 9 is fixed on the fixed side wall 43, the driving wheel 10 is fixed on the power output shaft of the rotating wheel motor 9, the limiting wheel 11 is fixed on the moving side wall 44 and coaxially aligned with the driving wheel 10, the driving wheel 10 and the limiting wheel 11 have a spacing distance, the moving side wall 44 is adjusted by the driving device and the moving part, so as to change the spacing distance between the driving wheel 10 and the limiting wheel 11, so as to match the width of the material belt to be introduced, and the material belt is overlapped on the driving wheel 10 and the limiting wheel 11. As an optimization, the outer edge of the driving wheel 10 is uniformly provided with a plurality of convex points, the convex points match the concave points on the material belt, the driving wheel 10 rotates, and the material belt is driven to move by the cooperation of the convex points and the concave points.

[0038] Further, the rotating wheel mechanism comprises a first rotating wheel 12 and a second rotating wheel 13, the first rotating wheel 12 is fixed on the fixed side wall 43, the second rotating wheel 13 is fixed on the moving side wall 44 and coaxially aligned with the first rotating wheel 12, the first rotating wheel 12 and the second rotating wheel 13 have a spacing distance, the opposite side of the first rotating wheel 12 and the second rotating wheel 13 is provided with a circular table 14, the circular table 14 is used to support the material belt, the moving side wall 44 is adjusted by the driving device and the moving part, so as to change the spacing distance between the first rotating wheel 12 and the second rotating wheel 13, so as to match the width of the material belt, and the material belt is overlapped on the circular table 14 and clamped from both sides by the first rotating wheel 12 and the second rotating wheel 13. At the same time, the clamping mechanism 40 cooperates with the first rotating wheel 12 and the second rotating wheel 13 to clamp the free end of the material belt, so that the free end of the material belt is anchored, and the material belt in the material disc is continuously introduced into the box body 1 under the driving of the rotating wheel mechanism through the material belt inlet 3.

[0039] In this embodiment, as Figure 5 and Figure 6As shown, the clamping mechanism 40 includes a frame 15, a first fixed plate 16, a second fixed plate 17, a first clamping wheel 18, a second clamping wheel 19, and a pressing plate 20. The box body 1 and the first fixed plate 16 are fixed on the frame 15. The second fixed plate 17 is slidingly connected to the first fixed plate 16 and is movably arranged along the Y-axis direction. The pressing plate 20 is slidingly connected to the second fixed plate 17 and is movably arranged along the Z-axis direction. In this way, the spatial position of the pressing plate 20 can be adjusted to align with the rotating wheel mechanism, the wheel disc mechanism, and the material belt inlet 3. The first clamping wheel 18 and the second clamping wheel 19 are arranged at both ends of the pressing plate 20 and are respectively aligned with the rotating wheel mechanism and the wheel disc mechanism along the Z-axis direction. The middle part of the pressing plate 20 is aligned with the material belt inlet 3. During use, the material disc is first wound over the rotating wheel mechanism and the wheel disc mechanism by the mechanical arm, so that the material belt is laid flat on the rotating wheel mechanism and the wheel disc mechanism. Then, the position of the clamping mechanism 40 is adjusted, so that the clamping mechanism 40 moves and is aligned above the rotating wheel mechanism and the wheel disc mechanism. The first clamping wheel 18 is aligned with the rotating wheel mechanism, and the second clamping wheel 19 is aligned with the wheel disc mechanism, so as to clamp the material belt. At this time, the bottom of the pressing plate 20 is aligned with the material belt inlet 3. The rotating wheel mechanism is rotated, and the pressing plate 20 can prevent the material belt from bending upwards, so as to ensure that the material belt bends towards the material belt inlet 3 and is continuously introduced into the box body 1.

[0040] In this embodiment, as shown in Figure 5 and Figure 6 , it further includes a first telescopic motor 21, a sliding plate 22, and a first guide rail 23. The first telescopic motor 21, the sliding plate 22, and the first guide rail 23 are used to move the second fixed plate 17 along the Y-axis direction. Specifically, the first guide rail 23 is arranged on the first fixed plate 16 along the Y-axis direction. The first telescopic motor 21 is arranged at one end of the first guide rail 23. The first guide rail 23 is provided with a first sliding block 24. The first sliding block 24 is fixedly connected to the sliding plate 22. One end of the sliding plate 22 is connected to the output shaft of the first telescopic motor 21. The other end of the sliding plate 22 is perpendicularly connected to the second fixed plate 17. The sliding plate 22 is pushed to move along the Y-axis direction by the first telescopic motor 21, so as to drive the second fixed plate 17 to move. The pressing plate 20, the first clamping wheel 18, and the second clamping wheel 19 on the second fixed plate 17 are respectively aligned with the material belt inlet 3, the rotating wheel mechanism, and the wheel disc mechanism along the Z-axis direction.

[0041] Further, the second telescopic motor 25, the connecting plate 26 and the second guide rail 27 are further included for moving the pressing plate 20 along the Z-axis direction. Specifically, the second guide rail 27 is arranged on the second fixed plate 17 along the Z-axis direction, the second telescopic motor 25 is arranged at the top end of the second guide rail 27, the second guide rail 27 is provided with the second sliding block 28, the second sliding block 28 is fixedly connected with the pressing plate 20, one end of the connecting plate 26 is connected with the output shaft of the second telescopic motor 25, and the other end of the connecting plate 26 is connected with the pressing plate 20. The second telescopic motor 25 drives the connecting plate 26 to move along the Z-axis direction, and drives the pressing plate 20 to move, so that the pressing plate 20, the first clamping wheel 18 and the second clamping wheel 19 press the material belt. It is worth noting that the first clamping wheel 18 and the second clamping wheel 19 can be installed on both ends of the pressing plate 20 through the telescopic mechanism, so that the clamping degree of the first clamping wheel 18 and the second clamping wheel 19 with the rotating wheel mechanism and the wheel disc mechanism can be manually adjusted.

[0042] In the embodiment, as shown in Figure 1 , Figure 2 and Figure 7 , the positioning mechanism 41 is further included, which is slidably connected to the rack 15 and is arranged to be movable along the Z-axis direction. The positioning mechanism 41 is used to position the material belt on the Y-axis, so that the material belt can be aligned and laid flat on the rotating wheel mechanism and the wheel disc mechanism. Specifically, the positioning mechanism 41 includes the third telescopic motor 29, the positioning plate 30, the positioning seat 31 and the pad 32. The positioning seat 31 is arranged to be liftable along the rack 15. The third guide rail 33 is arranged on the positioning seat 31. The third telescopic motor 29 is arranged at one end of the third guide rail 33. The third sliding block 35 is slidably connected to the third guide rail 33. One end of the third sliding block 35 is connected with the output shaft of the third telescopic motor 29. The other end of the third sliding block 35 is connected with the positioning plate 30. The positioning plate 30 is used to adjust the alignment of the material belt with the rotating wheel mechanism and the wheel disc mechanism. The pad 32 is arranged at one end of the box body 1 and is aligned with the positioning seat 31 along the Z-axis direction. In use, the free end of the material belt passes between the pad 32 and the positioning seat 31 and extends above the rotating wheel mechanism and the wheel disc mechanism. The side edge of the material belt is in contact with the positioning plate 30. The third telescopic motor 29 drives the positioning plate 30 to move, thereby driving the material belt to translate along the third guide rail 33 until the material belt is aligned with the rotating wheel mechanism, the wheel disc mechanism and the material belt inlet 3 along the X-axis direction. At this time, the positioning mechanism 41 is lowered, and the positioning seat 31 abuts against the pad 32, thereby fixing the material belt.

[0043] In the embodiment, as shown in Figure 7As shown in the drawings, the rack 15 is provided with a fourth guide rail 34 in the vertical direction, and the positioning seat 31 is slidingly connected to the fourth guide rail 34. A wheel belt mechanism 42 is arranged on one side of the fourth guide rail 34 and is used to lift the positioning mechanism 41. The wheel belt mechanism 42 comprises a driving motor 36, a driving wheel 37, a driven wheel 38 and a belt body 39. The driving wheel 37 and the driven wheel 38 are rotatably connected to the rack 15, and the belt body 39 is arranged around the driving wheel 37 and the driven wheel 38. The output shaft of the driving motor 36 is connected to the driving wheel 37, and the positioning seat 31 is fixedly connected to the belt body 39. The driving motor 36 drives the belt body 39 to rotate around the driving wheel 37 and the driven wheel 38, thereby driving the positioning seat 31 to move up and down along the fourth guide rail 34.

[0044] The use process of the storage box is as follows: the mechanical arm is used to grab the tray, the free end of the tape is connected to the instrument of the previous process, the mechanical arm is used to make the tape pass between the positioning seat 31 and the cushion block 32, the positioning mechanism 41 is used to adjust the position of the tape in the X-axis direction through the positioning plate 30, so as to align the rotating wheel mechanism, the wheel disc mechanism and the tape inlet 3, the positioning mechanism 41 is lowered to clamp the tape between the positioning seat 31 and the cushion block 32, the mechanical arm is used to extend and lay the tape on the rotating wheel mechanism, the wheel disc mechanism and the tape inlet 3, the width adjustment motor 2 is used to drive the screw rod 4 to rotate, thereby driving the moving side wall 44 to translate, so as to make the width of the tape inlet 3 match the width of the tape, and then the first telescopic motor 21 is used to adjust the positioning plate 20 to align the tape in the Z-axis direction, the second telescopic motor 25 is used to adjust the positioning plate 20 to lower, so that the first clamping wheel 18 and the second clamping wheel 19 clamp the tape on the rotating wheel mechanism and the wheel disc mechanism, the rotating motor 9 is started to drive the driving wheel 10 to rotate, so that the tape clamped between the driving wheel 10 and the first clamping wheel 18 moves towards the wheel disc mechanism, the positioning plate 20 blocks the tape from above, so that the tape extends downwards, i.e. in the direction of the tape inlet 3, thereby gradually entering the box body 1.

[0045] The above merely illustrates the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which shall be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A storage bin, characterized in that: The device includes a drive unit, a moving part, and a box body (1) having a material inlet (3). The box body (1) includes a fixed side wall (43) and a moving side wall (44). The fixed side wall (43) and the moving side wall (44) are located on opposite sides of the material inlet (3). The drive unit is driven to the moving part, and the moving part is fixedly connected to the moving side wall (44). The drive unit can drive the moving part to move back and forth, thereby driving the moving side wall (44) to move in a direction close to or away from the fixed side wall (43), thereby adjusting the width of the material inlet (3).

2. A storage bin according to claim 1, characterized in that: The moving part includes a lead screw (4), a bearing (5) and a width-adjusting slider (6). The bearing (5) and the width-adjusting slider (6) are respectively fixed on the fixed side wall (43) and the moving side wall (44). One end of the lead screw (4) is connected to the bearing (5) and is connected to the driving device. The other end of the lead screw (4) and the width-adjusting slider (6) form a ball screw pair.

3. A storage bin according to claim 2, characterized in that: The drive device includes a width-adjusting motor (2), a transmission belt (7), and a transmission wheel (8). There are multiple moving parts, which are located on the edge of the box body (1). One end of the lead screw (4) of each moving part is provided with the transmission wheel (8). The transmission belt (7) is wound around all the transmission wheels (8). The power output shaft of the width-adjusting motor (2) is connected to one of the lead screws (4).

4. A storage bin according to claim 1, characterized in that: It also includes a rotating wheel mechanism, a wheel mechanism and a clamping mechanism (40). The rotating wheel mechanism and the wheel mechanism are located at both ends of the material belt inlet (3) for introducing the material belt into the box body (1). The clamping mechanism (40) is located above the box body (1). The output end of the clamping mechanism (40) cooperates with the rotating wheel mechanism and the wheel mechanism to clamp the material belt.

5. A storage bin according to claim 4, characterized in that: The rotating wheel mechanism includes a rotating wheel motor (9), a driving wheel (10), and a limiting wheel (11). The rotating wheel motor (9) is fixed on the fixed side wall (43). The driving wheel (10) is fixed on the power output shaft of the rotating wheel motor (9). The limiting wheel (11) is fixed on the movable side wall (44) and is coaxially aligned with the driving wheel (10). There is a gap between the driving wheel (10) and the limiting wheel (11).

6. A storage bin according to claim 4, characterized in that: The wheel mechanism includes a first wheel (12) and a second wheel (13). The first wheel (12) is fixed on the fixed side wall (43), and the second wheel (13) is fixed on the movable side wall (44) and is coaxially aligned with the first wheel (12). There is a gap between the first wheel (12) and the second wheel (13). A frustum (14) is provided on the opposite side of the first wheel (12) and the second wheel (13). The frustum (14) is used to receive the material belt.

7. A storage bin according to claim 4, characterized in that: The clamping mechanism (40) includes a frame (15), a first fixed plate (16), a second fixed plate (17), a first clamping wheel (18), a second clamping wheel (19), and a pressure plate (20). The box body (1) and the first fixed plate (16) are fixed on the frame (15). The second fixed plate (17) is slidably connected to the first fixed plate (16) and is movable along the Y-axis. The pressure plate (20) is slidably connected to the second fixed plate (17) and is movable along the Z-axis. The first clamping wheel (18) and the second clamping wheel (19) are respectively located at both ends of the pressure plate (20) and are respectively aligned with the rotating wheel mechanism and the wheel mechanism along the Z-axis. The middle part of the pressure plate (20) is aligned with the material belt inlet (3).

8. A storage bin according to claim 7, characterized in that: It also includes a first telescopic motor (21), a sliding plate (22) and a first guide rail (23). The first guide rail (23) is arranged on the first fixed plate (16) along the Y-axis direction. The first telescopic motor (21) is arranged at one end of the first guide rail (23). The first guide rail (23) is provided with a first slider (24). The first slider (24) is fixedly connected to the sliding plate (22). One end of the sliding plate (22) is connected to the output shaft of the first telescopic motor (21), and the other end of the sliding plate (22) is perpendicularly connected to the second fixed plate (17).

9. A storage bin according to claim 8, characterized in that: It also includes a second telescopic motor (25), a connecting plate (26), and a second guide rail (27). The second guide rail (27) is arranged on the second fixed plate (17) along the Z-axis direction. The second telescopic motor (25) is arranged at the top of the second guide rail (27). The second guide rail (27) is provided with a second slider (28). The second slider (28) is fixedly connected to the pressure plate (20). One end of the connecting plate (26) is connected to the output shaft of the second telescopic motor (25), and the other end of the connecting plate (26) is connected to the pressure plate (20).

10. A storage bin according to claim 7, characterized in that: It also includes a positioning mechanism (41), which is slidably connected to the frame (15) and movable along the Z-axis. The positioning mechanism (41) includes a third telescopic motor (29), a positioning plate (30), a positioning seat (31), and a pad (32). The positioning seat (31) is provided with a third guide rail (33). The third telescopic motor (29) is located at one end of the third guide rail (33). A third slider (35) is slidably connected to the third guide rail (33). One end of the third slider (35) is connected to the output shaft of the third telescopic motor (29), and the other end of the third slider (35) is connected to the positioning plate (30). The positioning plate (30) is used to adjust the material belt to align with the rotary wheel mechanism and the wheel mechanism. The pad (32) is located at one end of the box body (1) and is aligned with the positioning seat (31) in the Z-axis direction.

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