TW202243982A - Foldable unloading device - Google Patents

Abstract

The invention discloses a foldable unloading device. The foldable unloading device comprises a machine frame, an upper transverse rod, a lower transverse rod, a vertical rod, an unloading assembly and a controller, wherein the machine frame is provided with an upper support, a lower support, a left vertical rod and a right vertical rod, and the left vertical rod and the right vertical rod can be folded; the upper transverse rod is fixed to the upper support, an upper sliding block and an upper power driving assembly are fixed to the upper transverse rod, and the upper sliding block only moves back and forth along the upper transverse rod; the lower transverse rod is fixed to the lower support, the lower transverse rod and the upper transverse rod are arranged in parallel, a lower sliding block and a lower power driving assembly are fixed to the lower transverse rod, and the lower sliding block only moves back and forth along the lower transverse rod; the top of the vertical rod is fixed to the upper sliding block through an upper movable connector, the bottom of the vertical rod is fixed to the lower sliding block through a lower movable connector, a vertical sliding block and a vertical power driving assembly are fixed to the vertical rod, and the vertical sliding block only moves up and down along the vertical rod; the unloading assembly is fixed on the vertical sliding block; and the controller can control each motor. The device has the beneficial effects of being convenient to mount and dismount, greatly reducing the packaging and transporting cost and being long in service life.

Description

Foldable unloading device

The invention relates to a cargo unloading device, in particular to a foldable cargo unloading device.

Unloading goods on the shelf is a relatively common way of unloading. In order to improve the efficiency of unloading, usually, the shelf is equipped with multiple layers, and each layer is equipped with multiple boxes. Correspondingly, the unloading device must have the goods according to the three-dimensional The function of moving and unloading in one direction can only be realized. For this reason, the overall structure of the unloading device will be relatively large, which brings a new technical problem. Packaging, transportation, and installation are very inconvenient, especially for long-distance transportation such as overseas transportation. time, it is expensive.

According to the above requirements, the present invention provides a foldable unloading device.

The technical solution of the present invention is: a foldable unloading device, comprising: a frame, which is provided with an upper bracket, a lower bracket, at least one left vertical pole, at least one right vertical pole, and the upper bracket and the lower bracket are fixed There are left pole and right pole, which can be folded, so that the height of the folded frame can be lowered; the upper cross bar, its two ends are respectively fixed with the upper bracket, and the upper cross bar is fixed with an upper slide block and the upper power drive assembly, the upper power drive assembly can control the upper slider to move back and forth along the upper cross bar only; The rod is fixed with the lower slider and the lower power drive assembly, and the lower power drive assembly can control the lower slider to move back and forth along the lower cross bar; the top of the vertical rod is fixed to the upper slider through the upper movable joint, and the bottom is connected to the upper slider through the lower movable joint. The lower slider is fixed, and the vertical slider and the vertical power drive assembly are fixed on the vertical rod. The vertical power driver component can control the vertical slider to move up and down along the vertical rod. When the rack is folded, the vertical rod can Inclined setting; the unloading component, which is fixed on the vertical slider, can accept the goods at the predetermined position and unload the goods at the predetermined position of the shelf on one side of the frame; the controller, which is fixed on the frame, and the controller is electrically Connect the motors in the upper power drive assembly, lower power drive assembly, vertical power drive assembly, and unloader assembly.

Further, the left vertical pole is composed of the first long pole, the second long pole, the third long pole and the fourth long pole arranged in sequence, and the right vertical pole is composed of the fifth long pole and the sixth long pole arranged in sequence. The two adjacent long rods are hinged through movable joints, and each movable joint is provided with a locking device, which can control the activity or inactivity of the movable joint.

Further, after the rack is folded, the second long bar and the third long bar can be folded into a parallel close state, and the sixth long bar and the seventh long bar can be folded into a parallel close close state.

Further, the movable joint includes: two L-shaped plates, one end of the two L-shaped plates is hinged together, the other ends of the two L-shaped plates are respectively fixed to the two long rods, and the One end of the locking device is fixed with one of the long rods, and the other end of the locking device can be fixed with the other long rod by more than two screws only when the two long rods are in the same linear position.

Further, the upper cross bar is a hollow structure, the upper cross bar is provided with an open end, and the two sides of the upper cross bar are provided with grooves; the upper power drive assembly includes: a first synchronous pulley and a second Synchronous pulleys, which are rotatably fixed at both ends of the upper cross bar; the first synchronous belt, which is wound outside the first synchronous pulley and the second synchronous pulley; the first motor, whose housing is connected with the upper The horizontal bar is fixed, the rotating shaft is fixed to the central axis of the first synchronous pulley or the second synchronous pulley, and the first motor is electrically connected to the controller; the upper slider is provided with a bump and two slide rails, and the bump The block can be embedded in the opening end of the upper cross bar and fixed with the first synchronous belt, and the slide rail can only move back and forth along the groove of the upper cross bar; the lower cross bar is a hollow structure, and the lower cross bar is provided with an open end , the two sides of the lower cross bar are provided with grooves; the lower power drive assembly includes: the third synchronous pulley and the fourth synchronous pulley, which are respectively rotatably fixed at both ends of the lower cross bar; the second synchronous belt, which is wound outside the third synchronous pulley and the fourth synchronous pulley; the second motor, whose casing is fixed to the lower cross bar, and whose rotating shaft is fixed to the central axis of the third synchronous pulley or the fourth synchronous pulley, The second motor is electrically connected to the controller; the lower slider is provided with a projection and two slide rails, the projection can be embedded in the open end of the lower cross bar and fixed with the second synchronous belt, and the slide rail can only be moved along the The groove of the lower cross bar moves back and forth; the vertical bar is a hollow structure, the vertical bar is provided with an open end, and the two sides of the vertical bar are provided with grooves; the vertical power drive assembly includes: The fifth synchronous pulley and the sixth synchronous pulley are respectively rotatably fixed at both ends of the vertical rod; the third synchronous belt is wound outside the fifth synchronous pulley and the sixth synchronous pulley; the third Motor, its casing is fixed to the vertical rod, the rotating shaft is fixed to the central axis of the fifth synchronous pulley or the sixth synchronous pulley, and the third motor is electrically connected to the controller; the vertical slider is provided with a convex Block and two slide rails, the projection can be embedded in the open end of the vertical bar and fixed with the third synchronous belt, and the slide rail can only move back and forth along the groove of the vertical bar.

Further, the unloading assembly includes: a first reducer; an overturn motor, the casing of which is fixed to the casing of the first reducer, the rotating shaft is fixed to the input shaft of the first reducer, and the overturn motor is electrically connected to the controller; The overturn bracket is fixed to the output shaft of the first reducer; the overturn plate is fixed to the overturn bracket, and the overturn plate can be used to hold goods; The straight slider is fixed; the swing motor is fixed to the shell of the second reducer, the rotating shaft is fixed to the input shaft of the second reducer, and the swing motor is electrically connected to the controller; one end of the swing rod is connected to the second reducer The output shaft of the gear reducer is fixed, and the other end is fixed to the shell of the first reducer; the rotation of the swing motor can drive the turning plate with the goods to swing from outside the shelf to the top of the predetermined container, and the turning of the turning motor can unload the goods on the said box. Inside the cargo box.

Further, the upper movable joint or the lower movable joint includes: an adjustment plate, which is provided with an adjustment hole, and one end of the adjustment plate is fixed to the upper slider or the lower slider; , the adjusting hole is sleeved on the circular groove and can rotate around the adjusting column, and the adjusting column is fixed with the vertical rod.

Further, the upper movable joint or the lower movable joint also includes: a flexible isolation column, which is provided with an annular cavity and a through hole, the flexible isolation column is embedded in the annular groove of the adjustment column, the adjustment hole is embedded in the annular cavity, and the flexible isolation column It can isolate the adjustment plate and the adjustment column.

Further, the adjustment hole of at least one adjustment plate in the upper movable joint or the lower movable joint is an elongated hole, and the adjustment column can move up and down in the elongated hole.

Further, the left vertical rod and the right vertical rod are respectively provided with two, the upper bracket and the lower bracket are both frame-shaped, and the two ends of the upper cross bar are respectively fixed on the two ends of the frame-shaped upper bracket, so The two ends of the lower cross bar are respectively fixed on the frame-shaped two ends of the lower bracket.

Compared with the prior art, the advantages of the present invention are: the overall structure can be reduced to not more than a quarter of the volume in the working state after being folded; There will be no problems such as not knowing how to disassemble and assemble, making mistakes in the assembly process; in addition, the arrangement of the movable joint of the present invention also has the advantage of long service life.

The invention has the beneficial effects of convenient installation and disassembly, greatly reduced packaging and transportation costs, and long service life.

Now in conjunction with accompanying drawing, the present invention will be further described:

As shown in Figures 1, 2, 5 and 6, a foldable unloading device includes: a frame 1, which is provided with an upper bracket 11, a lower bracket 13, at least one left vertical pole 12, at least one Right vertical rod 14, left vertical rod 12 and right vertical rod 14 are fixed between upper support 11 and lower support 13, left vertical rod 12 and right vertical rod 14 can be folded, thereby can reduce the height of frame 1 after folding; In this embodiment, in order to improve stability, two left vertical rods 12 and two right vertical rods 14 are selected; the upper bracket 11 and the lower bracket 13 are both frame-shaped; The distance between the rods 12 is larger than the distance between the two right vertical rods 14. When accepting goods, the goods pass between the two left vertical rods 12; Ground, the two ends of upper cross bar 22 are respectively fixed on the two ends of the frame shape of upper bracket 11, and upper cross bar 22 is fixed with upper slider 21 and upper power driving assembly 2, and upper power driving assembly 2 can control upper slider 21 Only move back and forth along upper cross bar 22; Lower cross bar 62, its two ends are respectively fixed with lower support 13, specifically, the two ends of lower cross bar 62 are respectively fixed at the frame-shaped two ends of lower support 13, and lower cross bar 62 is arranged in parallel with the upper cross bar 22, and the lower cross bar 62 is fixed with a lower slider 61 and a lower power drive assembly, and the lower power drive assembly can control the lower slider 61 to move back and forth only along the lower cross bar 62; the vertical bar 31, its top The upper movable joint is fixed with the upper slider 21, the bottom is fixed with the lower slider 61 through the lower movable joint, and the vertical slider 32 and the vertical power drive assembly are fixed on the vertical bar 31, and the vertical power drive assembly can control the vertical The slide block 32 only moves up and down along the vertical bar 31. When the frame 1 is folded, the vertical bar 31 can be inclined; The unloading is on the predetermined position of the shelf 5 on one side of the frame 1; during the unloading process, the upper slider 21 and the lower slider 61 move synchronously in the same direction, and during the folding process, the upper slider 21 and the lower slider 61 move in the opposite direction.

The controller is fixed on the frame 1, and the controller is electrically connected to the motors in the upper power drive assembly 2, the lower power drive assembly, the vertical power drive assembly and the unloading assembly.

The present invention has an obvious advantage. During the folding process, due to the movable joint, the vertical rod 31 can be arranged obliquely without disassembly.

Further, the left vertical rod 12 is made up of the first long rod 120, the second long rod 121, the third long rod 122 and the fourth long rod 123 arranged in sequence, and the right vertical rod 14 is composed of the fifth long rod 140, The sixth long rod 141, the seventh long rod 142 and the eighth long rod 143 are composed, two adjacent long rods are hinged through movable joints 15, and each movable joint 15 is provided with a locking device 16, and the locking device 16 can Control the movable joint 15 to be active or inactive; after the frame 1 is folded, the second long pole 121 and the third long pole 122 can be folded into a parallel and close state, and the sixth long pole 141 and the seventh long pole 142 can be folded into a parallel and close state The left pole 12 and the right pole 14 are arranged symmetrically, the second pole 121 and the third pole 122 are folded toward the center of the frame 1, and the same is true for the sixth pole 141 and the seventh pole 142;

Further, as shown in Fig. 3 and Fig. 4, the movable joint 15 includes: L-shaped plates, which are provided with two pieces, one end of the two L-shaped plates is hinged together, and the other ends of the two L-shaped plates are respectively connected to two The long rods are fixed, and one end of the locking device 16 is fixed to one of the long rods, and the other end of the locking device can be fixed to the other long rod by more than two screws only when the two long rods are in the same linear position. , forming a rigid structure. It should be noted that the movable joint 15 can make the two long rods rotate from 0 to 180 degrees, and can also make the two long rods rotate from 90 to 180 degrees; it can also be replaced by ordinary door hinges L-shaped boards further reduce costs.

It should be noted that, in the embodiment of the present invention, the left vertical rod 12 and the right vertical rod 14 are all made of rectangular tubes, and the locking device 16 is made of a U-shaped structure, and the U-shaped open end facilitates the movement of the rectangular tube when it is folded. , At the same time, the structural strength of the U shape is better.

Further, as shown in FIG. 7, the upper cross bar 22 is a hollow structure, the upper cross bar 22 is provided with an open end 83, and the two sides of the upper cross bar 22 are provided with grooves 87; the upper power drive assembly 2 includes: The first synchronous pulley 86 and the second synchronous pulley are respectively rotatably fixed at both ends of the upper cross bar 22; the first synchronous belt 85 is wound around the first synchronous pulley 86 and the second synchronous belt Outside the wheel: the first motor 81, whose housing is fixed to the upper cross bar 22, the rotating shaft is fixed to the central axis of the first synchronous pulley 86 or the second synchronous pulley, and the first motor 81 is electrically connected to the controller; the upper slider 21 , which is provided with a bump 84 and two slide rails 82, the bump 84 can be embedded in the open end 83 of the upper cross bar 22 and fixed with the first synchronous belt 85, the slide rail 82 can only follow the groove of the upper cross bar 22 87 moves back and forth; the lower cross bar 62 is a hollow structure, the lower cross bar 62 is provided with an open end, and the two sides of the lower cross bar 62 are provided with grooves; the lower power drive assembly includes: the third synchronous pulley and the fourth Synchronous pulley, which is rotatably fixed at both ends of the lower cross bar 62; the second synchronous belt, which is wound outside the third synchronous pulley and the fourth synchronous pulley; the second motor, whose housing is connected with the lower The cross bar 62 is fixed, the rotating shaft is fixed to the central axis of the third synchronous pulley or the fourth synchronous pulley, and the second motor is electrically connected to the controller; the lower slider 61 is provided with a bump and two slide rails, and the bump can be embedded The open end of the lower cross bar 62 is fixed with the second timing belt, and the slide rail can only move back and forth along the groove of the lower cross bar 62; the vertical bar 31 is a hollow structure, and the vertical bar 31 is provided with an open end, The two sides of vertical bar 31 are provided with groove; Vertical power drive assembly comprises: the fifth synchronous belt pulley and the 6th synchronous belt pulley, and it is rotatably fixed in the two ends in vertical bar 31 respectively; Synchronous belt, which is wound outside the fifth synchronous pulley and the sixth synchronous pulley; the third motor, whose housing is fixed to the vertical rod 31, and the rotating shaft is connected to the central axis of the fifth synchronous pulley or the sixth synchronous pulley Fixed, the third motor is electrically connected to the controller; the vertical slider 32 is provided with a bump and two slide rails, the bump can be embedded in the open end of the vertical rod 31 and fixed with the third timing belt, the slide rail can only Move back and forth along the groove of the vertical rod 31.

It should be noted that the upper cross bar 22, the upper power drive assembly 2 and the upper slider 21 form an independent first drive unit, and the lower cross bar 62, the lower power drive assembly and the lower slide 61 form an independent second drive unit. The drive unit, the vertical rod 31, the vertical power drive assembly and the vertical slider 32 form an independent third drive unit. The three drive units have the same structure, which greatly simplifies the structure and reduces the cost.

Further, as shown in FIGS. 8 , 9 and 10 , the unloading assembly includes: a first speed reducer 44 ; an overturning motor 43 , whose casing is fixed to the casing of the first speed reducer 44 , and the rotating shaft is connected to the first speed reducer 44 The input shaft is fixed, and the turning motor 43 is electrically connected to the controller; the turning bracket 42 is fixed to the output shaft of the first reducer 44; the turning plate 40 is fixed to the turning support 42, and the turning plate 40 can be used to hold goods; Two speed reducers 46, its housing and unloading frame 41 are fixed, and unloading frame 41 is fixed with vertical slider 32; The input shaft is fixed, and the swing motor 47 is electrically connected to the controller; the swing rod 45 is fixed at one end to the output shaft of the second speed reducer 46, and the other end is fixed to the housing of the first speed reducer 44; the swing motor 47 rotates to drive the device The turning disk 40 with goods swings from the outside of the shelf 2 to above the predetermined cargo box 51 , and the rotation of the turning motor 43 can unload the goods in the predetermined cargo box 51 .

The turning plate 40 of the present invention can pass between the two left vertical poles 12, move to the outside of the frame 1 to accept the goods, such as the goods unloaded by the robot, and then transport the goods to the predetermined cargo box 51 on the shelf 2 for unloading, as shown in the figure Only one shelf 2 is shown in 7. In actual application, since the turning plate 40 can be rotated along the horizontal plane for positive 90 degrees or negative 90 degrees and then flipped and unloaded, a shelf 2 can be placed on both sides of the frame 1, and the container 51 can be disassembled for easy access.

Further, as shown in FIG. 11 and FIG. 12 , the upper movable joint or the lower movable joint includes: an adjustment plate 71, which is provided with an adjustment hole 711, and one end of the adjustment plate 71 is fixed to the upper slider 21 or the lower slider 61; The adjusting column 72 has an annular groove on its peripheral surface, and the adjusting hole 711 is sleeved on the annular groove and can rotate around the adjusting column 72, and the adjusting column 72 is fixed to the vertical rod 31.

Further, the upper movable joint or the lower movable joint also includes: a flexible spacer column 73, which is provided with an annular cavity and a through hole, the flexible spacer column 73 is embedded in the annular groove of the adjustment column 72, and the adjustment hole 711 of the adjustment plate 71 is embedded in the flexible spacer. The annular cavity of the spacer column 73, the flexible spacer column 73 can isolate the adjustment plate 71 and the adjustment column 72, and the flexible spacer column 73 can effectively protect the vertical rod 31, the upper slider 21 and the lower slider 61, usually, the flexible isolation The post 73 is a wearing part, but it can be replaced. The flexible spacer post 73 can be made of plastic. In this embodiment, the regulating post 72 is bounded by a circular groove, and is divided into two parts, which are fixed by screws to facilitate the adjustment of the regulating plate 71. Install.

The adjusting hole 711 of at least one adjusting plate 71 in the upper movable joint or the lower movable joint is an elongated hole, and the adjusting column 72 can move up and down in the elongated hole.

It should be noted that, due to the deformation of the upper cross bar 22, the lower cross bar 62 and the vertical bar 31, the installation error, the synchronization error, etc., the vertical bar 31 cannot always keep moving in parallel, and the vertical bar 31 is relative to the upper cross bar 22 and the vertical bar 31. /or the lower cross bar 62 will have a small rotation angle, and the deflection angle is always changing. When the length of the vertical bar 31 is relatively long, the torque generated by it will be very large. If there is no upper movable joint and lower movable Joint, this torque is easy to damage the rigid joints between the vertical bar 31 and the upper cross bar 22 and the lower cross bar 62. In addition, the existence of the deflection angle makes the two ends of the vertical bar 31 connect with the upper cross bar 22 and the lower cross bar 62 The length of the point has a tendency to change. With the upper movable joint or the lower movable joint, the vertical bar 31 can self-adjust to rotate an angle and move up and down a certain distance relative to the upper cross bar 22 and/or the lower cross bar 62. Eliminates torque, thereby protecting sliders, etc. from damage.

It should also be noted that when the frame 1 needs to be folded, it is very convenient to have the upper movable joint or the lower movable joint, and the vertical rod 31 is arranged obliquely.

The motor of the present invention can be a servo motor, and the controller can precisely control the operation of the motor according to the instructions, so as to control the precise positioning and loading and unloading actions of the turning plate 40, specifically, it can be realized by software.

1: Rack 11: Upper bracket 12:Left pole 120: The first long pole 121: second long pole 122: The third long pole 123: The fourth long pole 13: Lower bracket 14: Right pole 140: fifth long pole 141: sixth long pole 142: seventh long pole 143: Eighth long pole 15: Movable joints 16: Locking device 2: Upper power drive assembly 21: Upper slider 22: Upper cross bar 31: vertical rod 32: Vertical slider 40: Flip disk 41: unloading rack 42: Flip Bracket 43: Flip motor 44: The first reducer 45: swing rod 46: Second reducer 47: Swing motor 5: shelf 51: cargo box 61: Lower slider 62: lower cross bar 71: Adjustment plate 711: Adjustment hole 72: Adjustment column 73: flexible isolation column 81: The first motor 82: slide rail 83: Open end 84: Bump 85: The first timing belt 86: The first synchronous pulley 87: Groove

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the structure during the folding process of the present invention.

Fig. 3 is a schematic diagram of the structure of the movable joint and the locking device of the present invention.

Fig. 4 is a schematic diagram of the structure related to the movable joint of the present invention.

Fig. 5 is a schematic diagram of the folded structure of the present invention.

Fig. 6 is a schematic diagram of the folded three-dimensional structure of the present invention.

Fig. 7 is a schematic structural diagram of the present invention related to shelves.

Fig. 8 is a structural schematic diagram of the connection between the upper horizontal bar and the vertical bar in the present invention.

Fig. 9 is a schematic structural view of a state of the unloading assembly of the present invention.

Fig. 10 is a schematic structural view of another state of the unloading assembly of the present invention.

Fig. 11 is a schematic structural view of the upper movable joint and the lower movable joint of the present invention.

Fig. 12 is a partial sectional view of the movable joint of the present invention.

Fig. 13 is a schematic structural view of the upper power drive assembly and the lower power drive assembly of the present invention.

11: Upper bracket

12:Left pole

120: The first long pole

121: second long pole

122: The third long pole

123: The fourth long pole

13: Lower bracket

14: Right pole

140: fifth long pole

141: sixth long pole

142: seventh long pole

143: Eighth long pole

16: Locking device

21: Upper slider

31: vertical rod

61: Lower slider

62: lower cross bar

Claims (10)

A collapsible unloading device comprising: A frame (1), which is provided with an upper bracket (11), a lower bracket (13), at least one left vertical pole (12), at least one right vertical pole (14), the upper bracket (11) and the The left vertical rod (12) and the right vertical rod (14) are fixed between the lower brackets (13), and the left vertical rod (12) and the right vertical rod (14) can be folded, so that reducing the height of the folded rack (1); An upper cross bar (22), the two ends of which are respectively fixed to the upper bracket (11), the upper cross bar (22) is fixed with an upper slider (21) and an upper power drive assembly (2), and the upper power The driving assembly (2) can control the upper slider (21) to move back and forth only along the upper cross bar (22); The lower crossbar (62), the two ends of which are respectively fixed to the lower bracket (13), the lower crossbar (62) is arranged parallel to the upper crossbar (22), and the lower crossbar (62) is fixed There is a lower slider (61) and a lower power driving assembly, and the lower power driving assembly can control the lower slider (61) to move back and forth only along the lower cross bar (62); A vertical rod (31), the top of which is fixed to the upper slider (21) via an upper movable joint, and the bottom is fixed to the lower slider (61) via a lower movable joint, and the vertical rod (31) is fixed with A vertical slider (32) and a vertical power drive assembly, the vertical power drive assembly can control the vertical slider (32) to move up and down only along the vertical rod (31), when the machine After the frame (1) is folded, the vertical rod (31) can be arranged obliquely; An unloading assembly, which is fixed on the vertical slider (32) and can accept goods at a predetermined position and unload the goods at a predetermined position on the shelf (5) on one side of the rack (1); and A controller, which is fixed on the frame (1), the controller is electrically connected to the upper power drive assembly (2), the lower power drive assembly, the vertical power drive assembly and the unloading assembly in the motor. The foldable unloading device according to claim 1, wherein, the left vertical pole (12) consists of the first long pole (120), the second long pole (121), and the third long pole (122) arranged in sequence and the fourth pole (123), the right vertical pole (14) is composed of the fifth pole (140), the sixth pole (141), the seventh pole (142) and the eighth pole (143), two adjacent long rods are hinged through movable joints (15), and each movable joint (15) is provided with a locking device (16), and the locking device (16) can control the The movable joint (15) is active or inactive. The foldable unloading device according to claim 2, wherein, after the frame (1) is folded, the second long pole (121) and the third long pole (122) can be folded into a parallel close state , the sixth long rod (141) and the seventh long rod (142) can be folded into a parallel close state. The foldable unloading device according to claim 2 or 3, wherein the movable joint (15) includes: L-shaped plates, which are provided with two pieces, one end of the two L-shaped plates are hinged together, the other ends of the two L-shaped plates are respectively fixed with the two long rods, and the locking device (16 ) is fixed to one of the long rods, and the other end of the locking device (16) can be fixed to the other long rod by screws only when the two long rods are in the same linear position . The foldable unloading device according to any one of claims 1 to 4, wherein, The upper cross bar (22) is a hollow structure, the upper cross bar (22) is provided with an open end (83), and two sides of the upper cross bar (22) are provided with grooves (87); The upper power drive assembly (2) includes: a first synchronous pulley (86) and a second synchronous pulley, which are respectively rotatably fixed at both ends of the upper cross bar (22); a first synchronous belt (85), wound around the first synchronous pulley (86) and the second synchronous pulley; The first motor (81), its casing is fixed to the upper cross bar (22), the rotating shaft is fixed to the central axis of the first synchronous pulley (86) or the second synchronous pulley, the first The motor (81) is electrically connected to the controller; The upper slider (21) is provided with a protrusion (84) and two slide rails (82), and the protrusion (84) can be embedded in the opening end (83) of the upper cross bar (22) ) and fixed with the first synchronous belt (85), the slide rail (82) can only move back and forth along the groove (87) of the upper cross bar (22); The lower crossbar (62) is a hollow structure, the lower crossbar (62) is provided with an open end, and two sides of the lower crossbar (62) are provided with grooves; The lower power drive assembly includes: a third synchronous pulley and a fourth synchronous pulley, which are respectively rotatably fixed at both ends of the lower cross bar (62); a second synchronous belt wound around the third synchronous pulley and the fourth synchronous pulley; The second motor, whose casing is fixed to the lower cross bar (62), and whose rotating shaft is fixed to the central axis of the third synchronous pulley or the fourth synchronous pulley, the second motor is electrically connected to the control device; The lower slider (61) is provided with a protrusion and two slide rails, the protrusion can be inserted into the opening end of the lower cross bar (62) and fixed with the second synchronous belt, the The slide rail can only move back and forth along the groove of the lower cross bar (62); The vertical rod (31) is a hollow structure, the vertical rod (31) is provided with an open end, and two sides of the vertical rod (31) are provided with grooves; The vertical power drive assembly includes: a fifth synchronous pulley and a sixth synchronous pulley, which are respectively rotatably fixed at both ends of the vertical rod (31); a third synchronous belt wound around the fifth synchronous pulley and the sixth synchronous pulley; The third motor, its casing is fixed to the vertical rod (31), its rotating shaft is fixed to the central axis of the fifth synchronous pulley or the sixth synchronous pulley, and the third motor is electrically connected to the control device; The vertical slider (32) is provided with a protrusion and two slide rails, the protrusion can be embedded in the opening end of the vertical rod (31) and fixed with the third timing belt, The slide rail can only move back and forth along the groove of the vertical rod (31). The foldable unloading device according to any one of claims 1 to 4, wherein the unloading assembly includes: first reducer (44); Turnover motor (43), its casing is fixed to the casing of the first reducer (44), the rotating shaft is fixed to the input shaft of the first reducer (44), and the turnover motor (43) is electrically connected to the the controller; a flip bracket (42), which is fixed to the output shaft of the first reducer (44); An overturning tray (40), which is fixed to the overturning bracket (42), and the overturning tray (40) can be used to contain the goods; The housing of the second reducer (46) is fixed to the unloading frame (41), and the unloading frame (41) is fixed to the vertical slider (32); The swing motor (47), its casing is fixed to the casing of the second reducer (46), the rotating shaft is fixed to the input shaft of the second reducer (46), and the swing motor (47) is electrically connected to the the controller; A swing rod (45), one end of which is fixed to the output shaft of the second reducer (46), and the other end is fixed to the housing of the first reducer (44); The rotation of the swing motor (47) can drive the turning plate (40) loaded with the goods to swing from the outside of the shelf (2) to the top of the predetermined container (51), and the turning of the turning motor (43) can turn the The goods are unloaded in the cargo box (51). The foldable unloading device according to any one of claims 1 to 4, wherein the upper movable joint or the lower movable joint comprises: An adjustment plate (71), which is provided with an adjustment hole (711), and one end of the adjustment plate (71) is fixed to the upper slider (21) or the lower slider (61); The adjusting column (72) has an annular groove on its circumference, the adjusting hole (711) is set on the annular groove and can rotate around the adjusting column (72), and the adjusting column (72 ) is fixed with the vertical rod (31). The foldable unloading device according to claim 7, wherein the upper movable joint or the lower movable joint further includes: A flexible isolation column (73), which is provided with an annular cavity and a through hole, the flexible isolation column (73) is embedded in the annular groove of the adjustment column (72), and the adjustment hole (711) is embedded in the In the circular cavity, the flexible isolation column (73) can isolate the adjustment plate (71) and the adjustment column (72). The foldable unloading device according to claim 7, wherein, the adjustment hole (711) of at least one of the adjustment plates (71) in the upper movable joint or the lower movable joint is an elongated hole, so Said adjustment post (72) can move up and down in the elongated hole. The foldable unloading device according to any one of claims 1 to 4, wherein two of the left vertical pole (12) and the right vertical pole (14) are provided respectively, and the upper bracket (11) and the lower bracket (13) are both frame-shaped, and the two ends of the upper cross bar (22) are respectively fixed on the two ends of the frame shape of the upper bracket (11), and the lower cross bar (62) The two ends are respectively fixed on the frame-shaped two ends of the lower bracket (13).

Images