Automatic garment folding device for garment processing

Abstract

The utility model discloses an automatic clothing folding device for clothing processing, which comprises a bottom plate, a concave frame is arranged at the top of the bottom plate, a folding mechanism for clothing is arranged at the top of the bottom plate, two air suction hoppers which are transversely distributed at intervals are arranged in the concave frame, a connector is arranged on the front side of each air suction hopper, and the air suction hoppers are connected with the connector. The left side and the right side of each air suction hopper are each provided with two L-shaped plates distributed at intervals in the front-back direction, a roller extending downwards is rotationally connected between the two L-shaped plates on the same side, a two-way position adjusting mechanism is arranged between the two air suction hoppers, and a height adjusting mechanism is arranged between the two-way position adjusting mechanism and the U-shaped frame. The folding mechanism comprises a fixing block, first turning plates, second turning plates, a turning mechanism and a first air cylinder, the fixing block is arranged at the top of the bottom plate, and the first turning plates are arranged on the left side and the right side of the fixing block. The automatic garment folding device for garment processing has the advantages of flattening garments and removing impurities on the surfaces of the garments.

Description

Technical Field

[0001] The utility model relates to the technical field of clothing processing, in particular to an automatic clothing folding device for clothing processing. Background Art

[0002] Clothing is an indispensable part of people's lives. It is an external expression that shows personal style, taste and personality through styles, colors, materials, etc. Clothing has practical functions such as keeping warm and covering the body, and is also a manifestation of aesthetics and culture. Different clothing reflects different times, regional characteristics and social atmospheres, and is an important part of human civilization.

[0003] In the production process of clothing, the completed clothing needs to be folded first and then packaged. Folding can make the clothes more regular, which is conducive to packaging, saves space, improves packaging efficiency and transportation convenience. However, the existing folding devices for clothing often only have the function of folding clothing. The specific process is that workers place the clothing on the folding device, and then the folding device automatically folds the clothing. However, when the clothing is placed manually, wrinkles will appear on the surface of the clothing, and the clothing will also be uneven, which will cause the surface of the clothing to be uneven. These unevennesses will become more obvious after folding, resulting in uneven and unsmooth folding lines, affecting the aesthetic appearance of the folded clothing, reducing the satisfaction of consumers, and also reducing the quality of folding. Secondly, since the clothing will be contaminated with fiber debris, fluff and other impurities during the production process, if the clothing with these impurities is directly folded and packaged, it will affect the flatness and cleanliness of the clothing, making the clothing look less delicate and reducing the quality and grade of the product.

[0004] Therefore, an automatic clothing folding device for clothing processing is proposed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to propose an automatic clothing folding device for clothing processing to solve the above problems.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] An automatic clothing folding device for clothing processing includes a bottom plate. A concave-shaped frame is provided on the top of the bottom plate. A folding mechanism for clothing is provided on the top of the bottom plate. Two suction cups are provided inside the concave-shaped frame and are horizontally spaced apart. A connector is provided on the front side of the suction cup. Two L-shaped plates are provided on each of the left and right sides of the suction cup and are spaced apart in the front-rear direction. A roller extending downward is rotatably connected between the two L-shaped plates on the same side. A two-way position adjustment mechanism is provided between the two suction cups. A height adjustment mechanism is provided between the two-way position adjustment mechanism and the concave-shaped frame.

[0008] Preferably, the folding mechanism includes a fixed block, a first flap, a second flap, a flipping mechanism and a first cylinder. A fixed block is provided at the top of the bottom plate. The first flaps are provided on both the left and right sides of the fixed block. A flipping mechanism is provided between the fixed block and the first flap. The second flap is hinged to the rear side of the fixed block. A first cylinder is hinged between the top of the bottom plate and the top of the second flap.

[0009] Preferably, the flipping mechanism includes a rotating block, a rotating cylinder, a rotating rod, a rack, a first motor, a first gear, a second gear and a concave plate. A rotating rod extending forward in front is provided between the two first flaps and the fixed block. Rotating cylinders with the outer sides connected to the outer side of the fixed block are rotatably connected to both ends of the rotating rod. A rotating block is fixedly connected between the middle of the rotating rod and the outer side of the first flap. A horizontally extending concave plate is provided at the front end of the top of the bottom plate. A rack extending upward is slidably connected inside the concave plate. The second gears are provided at the front ends of both rotating rods. The two second gears and the rack are in the same horizontal plane. The second gear on the right is meshed with the rack. A first motor is provided in the middle of the top of the bottom plate in front of the concave plate. The output shaft of the first motor is provided with a first gear meshed with the rack.

[0010] Preferably, L-shaped support frames are provided on both the left and right inner walls of the concave-shaped frame. The top of the concave-shaped frame abuts against the bottom of the first flap and the bottom of the second flap respectively. A bottom frame is provided at the bottom of the bottom plate.

[0011] Preferably, the height adjustment mechanism includes a second cylinder and a lifting plate. A lifting plate is horizontally provided at the upper end inside the concave-shaped frame. A second cylinder with a telescopic shaft penetrating through its top and connected to the top of the lifting plate is provided at the top of the concave-shaped frame.

[0012] Preferably, the two-way position adjustment mechanism includes a sliding rod, a sliding plate, a second motor, a support plate and a bidirectional lead screw. Two support plates are provided at the bottom of the lifting plate at a horizontally spaced distribution. The left side of the right support plate is rotatably connected to a bidirectional lead screw. A second motor with an output shaft coaxially connected to the left end of the bidirectional lead screw is provided on the right side of the left support plate. The thread rotation directions at both ends of the bidirectional lead screw are opposite to each other. Both ends of the bidirectional lead screw are drivingly connected to sliding plates. The bottoms of the two sliding plates are respectively connected to the tops of the two suction cups. Two sliding rods passing through the two sliding plates are fixedly connected between the two support plates.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: Manually lay the garment flat on the folding mechanism, and drive the two suction cups on the two-way position adjustment mechanism to move downward through the height adjustment mechanism. At this time, the bottom of the roller on the L-shaped plate will abut against the surface of the garment. At this time, in cooperation with the vacuum cleaner, the suction force acts on the suction cups, thereby sucking away the impurities on the surface of the garment, thus improving the flatness and cleanliness of the folded and packaged garment, and further improving the quality and grade of the garment. At the same time, drive the two suction cups to move horizontally relative to each other through the two-way position adjustment mechanism, that is, move closer to or away from each other. During this process, the suction cups can change their horizontal positions, so as to comprehensively remove the impurities on the surface of the garment. The L-shaped plate and the roller are both installed on the suction cups and can move along with the suction cups, so that the roller rolls and presses the garment, making the surface of the garment flat, removing the wrinkles on the surface of the garment, improving the flatness of the surface of the garment, improving the flatness of the subsequent folding of the garment, improving the appearance beauty of the folded garment, and improving the satisfaction of consumers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings further illustrate the present utility model, but the content in the drawings does not constitute any limitation to the present utility model.

[0015] Figure 1 is the first perspective view of the three-dimensional structure of the present utility model;

[0016] Figure 2 is the second perspective view of the three-dimensional structure of the present utility model;

[0017] Figure 3 is the third perspective view of the three-dimensional structure of the present utility model;

[0018] Figure 4 is the three-dimensional structure schematic diagram of the two-way position adjustment mechanism and the height adjustment mechanism of the present utility model;

[0019] Figure 5 is the three-dimensional structure schematic diagram of the suction cup and the roller of the present utility model;

[0020] Figure 6 is the three-dimensional structure schematic diagram of the bottom plate and the folding mechanism of the present utility model.

[0021] In the attached drawings: 1. Bottom plate; 2. Folding mechanism; 21. Fixed block; 22. First flap; 23. Second flap; 24. Flipping mechanism; 241. Rotating block; 242. Rotating cylinder; 243. Rotating rod; 244. Rack; 245. First motor; 246. First gear; 247. Second gear; 248. Concave plate; 25. First cylinder; 3. Concave-shaped frame; 41. Suction hopper; 42. Connector; 43. L-shaped plate; 45. Roller; 5. Two-way position adjustment mechanism; 51. Slide bar; 52. Slide plate; 53. Second motor; 54. Support plate; 55. Bi-directional lead screw; 6. Height adjustment mechanism; 61. Second cylinder; 62. Lifting plate; 7. Support frame; 8. Underframe. Detailed implementation mode

[0022] The following is a detailed description of the implementation mode of the present utility model. Examples of the implementation mode are shown in the attached drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The implementation mode described below by referring to the attached drawings is exemplary and is only used to explain the present utility model and should not be construed as a limitation to the present utility model. In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the attached drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, the meaning of "a plurality" is two or more, and the meaning of "several" is one or more, unless otherwise clearly and specifically defined.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a connection that can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is less than that of the second feature.

[0025] The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present utility model. In addition, the present utility model may repeat reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present utility model provides examples of various specific processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0026] In this embodiment, it is given by Figure 1-6 An automatic clothing folding device for clothing processing, the present utility model includes a bottom plate 1, a concave-shaped frame 3 is provided at the top of the bottom plate 1, a folding mechanism 2 for clothing is provided at the top of the bottom plate 1, two suction hoppers 41 are provided inside the concave-shaped frame 3 and are distributed at intervals in the horizontal direction, a joint 42 is provided at the front side of the suction hopper 41, two L-shaped plates 43 are provided on both the left and right sides of the suction hopper 41 and are distributed at intervals in the front-rear direction, a drum 45 extending downward is rotatably connected between the two L-shaped plates 43 on the same side, a two-way position adjustment mechanism 5 is provided between the two suction hoppers 41, and a height adjustment mechanism 6 is provided between the two-way position adjustment mechanism 5 and the concave-shaped frame 3.

[0027] In this embodiment, an external vacuum cleaner is connected to the connector 42 through a hose. Then, the garment is laid flat on the folding mechanism 2 manually. At this time, there will be wrinkles on the surface of the garment, presenting an uneven state. At this time, the height adjustment mechanism 6 drives the two suction cups 41 on the two-way position adjustment mechanism 5 to move downward. At this time, the bottom of the roller 45 on the L-shaped plate 43 will abut against the surface of the garment. At this time, the vacuum cleaner is started, so that the suction force acts on the suction cups 41, and then the impurities on the surface of the garment are sucked away, thereby improving the flatness and cleanliness of the garment after folding and packaging, and further improving the quality and grade of the garment. At the same time, the two-way position adjustment mechanism 5 drives the two suction cups 41 to move horizontally relative to each other, that is, to approach or move away from each other. During this process, the suction cups 41 can change their horizontal positions, so as to comprehensively remove the impurities on the surface of the garment. The L-shaped plate 43 and the roller 45 are both installed on the suction cups 41 and can move with the suction cups 41, so that the roller 45 rolls and presses the garment, making the surface of the garment flat, removing the wrinkles on the surface of the garment, improving the flatness of the surface of the garment, improving the flatness of the subsequent folding of the garment, improving the appearance beauty of the folded garment, and improving the satisfaction of consumers. The flattened garment can then be folded by the folding mechanism 2.

[0028] Preferably, as another embodiment of the present invention, the folding mechanism 2 includes a fixed block 21, a first flap 22, a second flap 23, a flipping mechanism 24 and a first cylinder 25. A fixed block 21 is provided on the top of the bottom plate 1. The first flaps 22 are provided on both the left and right sides of the fixed block 21. A flipping mechanism 24 is provided between the fixed block 21 and the first flap 22. The second flap 23 is hinged to the rear side of the fixed block 21. A first cylinder 25 is hinged between the top of the bottom plate 1 and the top of the second flap 23. The flipping mechanism 24 includes a rotating block 241, a rotating cylinder 242, a rotating rod 243, a rack 244, a first motor 245, a first gear 246, a second gear 247 and a concave plate 248. A rotating rod 243 extending forward in the front is provided between the two first flaps 22 and the fixed block 21. Both ends of the rotating rod 243 are rotatably connected to the rotating cylinders 242 whose outer sides are connected to the outer side of the fixed block 21. A rotating block 241 is fixedly connected between the middle of the rotating rod 243 and the outer side of the first flap 22. A horizontally extending concave plate 248 is provided at the front end of the top of the bottom plate 1. A rack 244 extending upward is slidably connected inside the concave plate 248. The front ends of both rotating rods 243 are provided with second gears 247. The two second gears 247 and the rack 244 are all in the same horizontal plane. The second gear 247 on the right is meshed with the rack 244. A first motor 245 located in front of the concave plate 248 is provided in the middle of the top of the bottom plate 1. The output shaft of the first motor 245 is provided with a first gear 246 meshed with the rack 244.

[0029] In this embodiment, the clothes are laid flat on the fixed block 21, the first flap 22 and the second flap 23. Then, the first motor 245 drives the first gear 246 to rotate forward. The first gear 246 meshes with the rack 244, thereby driving the rack 244 to slide inside the concave plate 248 and move to one side, so that the rack 244 meshes with the second gear 247 on the right, causing the right rotating rod 243 to rotate on the rotating cylinder 242. The rotating block 241 on the right rotating rod 243 drives the right first flap 22 to rotate, thereby folding the right part of the clothing. Similarly, when the first motor 245 drives the first gear 246 to rotate forward, it can drive the left first flap 22 to rotate, thereby folding the left part of the clothing. Then, the first cylinder 25 drives the second flap 23 to rotate around the hinge point with the fixed block 21, so that the second flap 23 folds the rear part of the clothing, covering the rear part of the clothing on the front part, thus completing the folding of the clothing.

[0030] Preferably, as another embodiment of the present invention, L-shaped support frames 7 are provided on both the left and right inner walls of the concave-shaped frame 3. The top of the concave-shaped frame 3 abuts against the bottom of the first flap 22 and the bottom of the second flap 23 respectively. A bottom frame 8 is provided at the bottom of the bottom plate 1.

[0031] In this embodiment, the vertical end of the support frame 7 is connected to the inner side wall of the concave-shaped frame 3, and the top of its vertical end abuts against the bottom of the first flap 22. The horizontal end of the support frame 7 extends horizontally, and the top of the horizontal end abuts against the bottom of the second flap 23. Therefore, the support frame 7 can limit and support the first flap 22 and the second flap 23, so that the tops of the first flap 22, the second flap 23 and the fixed block 21 are all on the same horizontal plane.

[0032] Preferably, as another embodiment of the present invention, the height adjustment mechanism 6 includes a second cylinder 61 and a lifting plate 62. A lifting plate 62 is horizontally provided at the upper end inside the concave-shaped frame 3. A second cylinder 61 is provided at the top of the concave-shaped frame 3 with a telescopic shaft passing through to its inside and connected to the top of the lifting plate 62. The two-way position adjustment mechanism 5 includes a slide rod 51, a slide plate 52, a second motor 53, a support plate 54 and a two-way lead screw 55. Two support plates 54 are provided at the bottom of the lifting plate 62 at a horizontal interval. A two-way lead screw 55 is rotatably connected to the left side of the right support plate 54. A second motor 53 with an output shaft coaxially connected to the left end of the two-way lead screw 55 is provided on the right side of the left support plate 54. The threads at both ends of the two-way lead screw 55 have opposite helix directions. Both ends of the two-way lead screw 55 are drivingly connected to a slide plate 52. The bottoms of the two slide plates 52 are respectively connected to the tops of the two suction cups 41. Two slide rods 51 that are fixed between the two support plates 54 and penetrate through the two slide plates 52 are provided.

[0033] In this embodiment, the telescopic shaft of the second cylinder 61 can drive the lifting plate 62 to move vertically, thereby adjusting the height position of the bidirectional positioning mechanism 5. Since the two support plates 54 in the bidirectional positioning mechanism 5 are installed at the bottom of the lifting plate 62, the two support plates 54 will move vertically with the lifting plate 62. At the same time, the second motor 53 on the left support plate 54 can drive the bidirectional lead screw 55 to rotate. The two ends of the bidirectional lead screw 55 are respectively in transmission with the two sliding plates 52, causing the two sliding plates 52 to move axially along the sliding rod 51, that is, move closer to or away from each other. Since the two suction cups 41 are respectively connected to the two sliding plates 52, the two suction cups 41 will move with the two sliding plates 52, that is, move closer to or away from each other.

[0034] Working principle: The external vacuum cleaner can be connected to the connector 42 through a hose. At this time, the device can be applied. The clothes are laid flat on the fixed block 21, the first flap 22 and the second flap 23. The second cylinder 61 drives the lifting plate 62 to move downward, so that the bottom of the roller 45 on the L-shaped plate 43 will press against the surface of the clothing. At this time, the vacuum cleaner is started, so that the suction force acts on the suction cup 41, thereby sucking away the impurities on the clothing surface. At the same time, the second motor 53 can drive the bidirectional lead screw 55 to rotate. The two ends of the bidirectional lead screw 55 are respectively in transmission with the two sliding plates 52, causing the two sliding plates 52 to move axially along the sliding rod 51, that is, move closer to or away from each other. The suction cups 41 and the rollers 45 on the two sliding plates 52 all move accordingly. The movement of the suction cup 41 can change the horizontal position to comprehensively remove the impurities on the clothing surface. The movement of the roller 45 can roll and press the clothing to make the clothing surface flat. Then, the second cylinder 61 drives the lifting plate 62, the roller 45 and the suction cup 41 to move upward and return to the original position. Then, the first motor 245 drives the first gear 246 to rotate forward, and the first gear 246 will mesh with the rack 244, thereby driving the rack 244 to slide inside the concave plate 248 and move to one side, so that the rack 244 meshes with the second gear 247 on the right, causing the right rotating rod 243 to rotate on the rotating cylinder 242, and the rotating block 241 on the right rotating rod 243 will drive the right first flap 22 to rotate, thereby folding the right part of the clothing. Similarly, when the first motor 245 drives the first gear 246 to rotate forward, it can drive the left first flap 22 to rotate, thereby folding the left part of the clothing. Then, the first cylinder 25 drives the second flap 23 to rotate around the hinge point with the fixed block 21, so that the second flap 23 folds the back part of the clothing to complete the folding of the clothing.

[0035] In the description of this specification, the descriptions with reference to terms such as "embodiment", "an implementation manner", "certain implementation manners", "schematic implementation manners", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the said implementation manner or example are included in at least one implementation manner or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same implementation manner or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more implementation manners or examples.

[0036] The technical principle of the present utility model has been described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present utility model and cannot be construed in any way as a limitation on the protection scope of the present utility model. Based on the explanations herein, those skilled in the art can think of other specific implementation manners of the present utility model without creative efforts, and these equivalent variations or substitutions are all included within the scope defined by the claims of this application.

Claims

1. An automatic clothing folding device for clothing processing, characterized in that: The invention comprises a bottom plate (1), a concave frame (3) is provided on the top of the bottom plate (1), a folding mechanism (2) for clothing is provided on the top of the bottom plate (1), two air suction hoppers (41) are provided inside the concave frame (3) and are spaced apart in the transverse direction, a joint (42) is provided on the front side of the air suction hopper (41), two L-shaped plates (43) are provided on the left and right sides of the air suction hopper (41) and are spaced apart in the front-back direction, a roller (45) extending downward is rotatably connected between the two L-shaped plates (43) on the same side, a bidirectional positioning mechanism (5) is provided between the two air suction hoppers (41), and a height adjustment mechanism (6) is provided between the bidirectional positioning mechanism (5) and the concave frame (3).

2. The automatic folding device for garment processing according to claim 1, characterized in that: The folding mechanism (2) comprises a fixed block (21), a flap 1 (22), a flap 2 (23), a turning mechanism (24) and a cylinder 1 (25); the top of the bottom plate (1) is provided with a fixed block (21); the left and right sides of the fixed block (21) are both provided with flap 1 (22); a turning mechanism (24) is provided between the fixed block (21) and the flap 1 (22); the rear side of the fixed block (21) is hingedly connected to the flap 2 (23); and the top of the bottom plate (1) and the top of the flap 2 (23) are hingedly connected to the cylinder 1 (25).

3. The automatic folding device for garment processing according to claim 2, characterized in that: The flip mechanism (24) comprises a rotating block (241), a rotating drum (242), a rotating rod (243), a rack (244), a motor 1 (245), a gear 1 (246), a gear 2 (247) and a concave plate (248). A rotating rod (243) extending forward from the front end is provided between the two flip plates 1 (22) and the fixed block (21). Both ends of the rotating rod (243) are rotatably connected to a rotating drum (242) whose outer side is connected to the outer side of the fixed block (21). The rotating block (241) is fixedly connected between the middle end of the rotating rod (243) and the outer side of the flip plate 1 (22). The bottom plate (1 ) is provided at the front end of the top of the bottom plate (1) with a concave plate (248) extending laterally, the concave plate (248) is internally slidably connected with a rack (244) extending upward, the front ends of the two rotating rods (243) are provided with a gear 2 (247), the two gears 2 (247) and the racks (244) are in the same horizontal plane, the right gear 2 (247) and the racks (244) are meshed, and the middle of the top of the bottom plate (1) is provided with a motor 1 (245) located in front of the concave plate (248), and the output shaft of the motor 1 (245) is provided with a gear 1 (246) meshed with the racks (244).

4. The automatic folding device for garment processing according to claim 2, characterized in that: The left and right inner walls of the concave frame (3) are both provided with L-shaped support frames (7), the top of the concave frame (3) is respectively in contact with the bottom of the first flap (22) and the bottom of the second flap (23), and the bottom of the bottom plate (1) is provided with a bottom frame (8).

5. The automatic folding device for garment processing according to claim 1, characterized in that: The height adjustment mechanism (6) comprises a second cylinder (61) and a lifting plate (62); the lifting plate (62) is horizontally arranged at the upper end of the inner part of the concave frame (3); and the top of the concave frame (3) is provided with a second cylinder (61) having a telescopic shaft penetrating therein and connected to the top of the lifting plate (62).

6. The automatic folding device for garment processing according to claim 5, characterized in that: The bidirectional positioning mechanism (5) comprises a slide bar (51), a slide plate (52), a second motor (53), a support plate (54) and a bidirectional screw rod (55). Two support plates (54) are arranged at a transverse interval at the bottom of the lifting plate (62). The left side of the right support plate (54) is rotatably connected to the bidirectional screw rod (55). The right side of the left support plate (54) is provided with a second motor (53) whose output shaft is coaxially connected to the left end of the bidirectional screw rod (55). The rotation directions of the threads at both ends of the bidirectional screw rod (55) are opposite to each other. Both ends of the bidirectional screw rod (55) are drivingly connected to the slide plates (52). The bottoms of the two slide plates (52) are respectively connected to the tops of the two suction buckets (41). Two slide bars (51) are fixedly connected between the two support plates (54) and both pass through the two slide plates (52).

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