Dumping type bagged material unstacker with lifting function

Abstract

The utility model relates to the technical field of bagged material conveying machinery, in particular to a dumping type bagged material unstacker with a lifting function, which solves the problem that the existing unstacker is low in efficiency or easy to damage packaging bags, and is provided with a base, a lifting rack and a swinging rack, the swing rack is arranged on the lifting rack in a reciprocating swing mode, the swing rack is provided with a tray bearing face and a bag sending-out face, the tray bearing face and the bag sending-out face are arranged in an included angle mode, and the tray bearing face and the bag sending-out face are both parallel to the swing axis of the swing rack. The unstacker is further provided with a swing driving device for driving the swing rack to swing on the lifting rack, the tray bearing face is located on the feeding port side of the unstacker, and the bag sending-out face is located on the discharging port side of the unstacker. And the swinging rack has a material receiving state when the tray bearing surface is approximately horizontal and a material discharging state when the tray bearing surface swings and rises.

Description

TECHNICAL FIELD

[0001] The utility model relates to bagged material conveying machinery technical field, especially a kind of dump type bagged material unstacker with lifting function. BACKGROUND

[0002] Bagged material has the process of transfer transport, taking bagged fertilizer as example, after bagged fertilizer production, it will be neatly placed in the form of one pile on pallet, and store to warehouse, the process of being placed on pallet is called stacking, when needing to transport fertilizer from warehouse, prior art has used automatic loading or loading, the automatic process is that bagged fertilizer on pallet is sent to conveying belt in the form of one bag, conveying belt conveys material to loading point or wharf, the process of bagged material on pallet being sent to conveying belt is called unstacking, and unstacking is completed by unstacking machine.

[0003] The existing unstacking machine adopts the mode of taking material layer by layer from top to bottom, and there are two kinds of layer-by-layer material taking unstacking machines at present: one is suction cup type unstacking machine, which sucks and places material bag by bag on conveying belt by movable suction cup, and the disadvantage of this machine is low efficiency, which cannot meet the production requirement of faster and faster production line, and is prone to failure, if the bag of upper layer is not all sucked, the suction cup is prone to be stuck during second suction; the other is rubbing material type unstacking machine, which rubs the upper layer bag out by inserting a rubbing material device with small thickness size between two layers of material bags, and the rubbing material device includes conveying roller and conveying belt wrapped around the conveying roller, the pallet is raised by one grid after the rubbing material device retreats once to rub the next layer, and the height of pallet raised by one grid is equal to the thickness of bag, and the disadvantage of this unstacking machine is that the bag is prone to be damaged due to rubbing. SUMMARY

[0004] The utility model solves the technical problem that: provide a kind of dump type bagged material unstacking machine with lifting function, overcome the problem of low efficiency or prone to damage bag of existing unstacking machine.

[0005] The technical scheme that the utility model solves its technical problem is as follows: a kind of dump type bagged material unstacking machine with lifting function, with base, lifting frame and swing frame, the lifting frame is arranged on the base in the form of up and down movement, the swing frame is arranged on the lifting frame in the form of reciprocating swing, the swing frame has tray bearing surface and bag sending surface arranged at an angle, the tray bearing surface and the bag sending surface are parallel to the swing axis of swing frame, the unstacking machine further has drive swing device for driving swing frame to swing on lifting frame, the tray bearing surface is located at the material inlet side of unstacking machine, the bag sending surface is located at the material outlet side of unstacking machine, the swing frame has material receiving state when tray bearing surface is substantially horizontal and material outlet state when tray bearing surface swings and rises.

[0006] Specifically, the included angle between the tray bearing surface of the swing frame and the bag conveying surface is 90-120 degrees.

[0007] Specifically, the bag conveying surface is the conveying surface of a feeding chain plate or a feeding belt.

[0008] Specifically, if the receiving stack is conveyed to the unstacking machine by a conveying line, the feeding rollers can be arranged on the swing frame, that is, the tray bearing surface is an upper support surface formed by the feeding rollers arranged on the bearing frame, and the shafts of the feeding rollers are parallel to the swing axis of the swing frame.

[0009] Specifically, if the receiving stack is directly placed on the tray bearing surface by a forklift, the tray bearing surface is an upper plane of the bearing frame.

[0010] Specifically, if the receiving stack is conveyed to the unstacking machine by a conveying line, but it is not convenient to arrange the feeding rollers on the swing frame, the feeding rollers can be directly arranged on the lifting frame, that is, the tray bearing surface is an upper plane of the bearing frame, a plurality of feeding rollers are arranged on the lifting frame, the shafts of the feeding rollers are parallel to the swing axis of the swing frame, and an upper support surface formed by the feeding rollers is higher than the upper plane of the bearing frame when the swing frame is in the receiving state.

[0011] Specifically, the drive swing device for driving the swing frame to swing on the lifting frame comprises a driven gear fixed on the swing frame and a driving gear rotatably arranged on the lifting frame, and a speed reducer motor is arranged on the lifting frame, and the driving gear engaged with the driven gear is mounted on the output shaft of the speed reducer motor.

[0012] Specifically, an empty tray removal device is arranged on the swing frame to push out the empty tray when the swing frame is in the receiving state.

[0013] Specifically, a tray anti-falling device is arranged on the swing frame to prevent the tray from falling out together with the bag when the swing frame is in the discharging state.

[0014] Specifically, a baffle is arranged on the swing frame to prevent the tray from contacting the bag conveying surface.

[0015] The beneficial effects of the utility model are as follows:

[0016] I. The unstacking machine with the lifting structure can better dock with the upstream stack conveying line and the downstream bag arranging roller table, the unstacking machine can smoothly receive the feeding, and can be applied to bag conveying lines with different structures.

[0017] II. The swing unstacking and feeding mode is adopted, the speed is faster, and the requirement of improving production efficiency is met.

[0018] Three, swing unstacking feeding at the same time, the feeding chain plate feeding can control the speed and quantity of discharging, prevent the packaging bag from being squeezed and blocked on the subsequent mechanism, and ensure the smooth conveying;

[0019] Four, the packaging bag of different size and weight specification is convenient to unstack and feed, and there is no specification requirement and no tedious parameter adjustment;

[0020] Five, simple structure, high efficiency, convenient adjustment and small floor space. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] Figure 1 is a perspective view of the present application when the swing frame is in the material receiving state;

[0023] Figure 2 is a perspective view of the present application when the swing frame is in the discharging state;

[0024] Figure 3 is a structure schematic view of the tray anti-falling device of the present application.

[0025] In the drawing: 1, base;

[0026] 2, lifting frame;

[0027] 3, swing frame, 3-1, tray bearing surface, 3-2, bag sending-out surface;

[0028] 4, swing driving device, 4-1, driven gear, 4-2, driving gear;

[0029] 5, feeding roller;

[0030] 6, empty tray moving-out device;

[0031] 7, tray anti-falling device;

[0032] 8, baffle;

[0033] 9, bag arranging roller table. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described in the following with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0035] As shown in the accompanying Figure 1 A kind of bagged material unstacker with lifting function of dumping, with base 1, lifting frame 2 and swing frame 3, lifting frame 2 is arranged in the form of up and down on base 1, swing frame 3 is arranged in the form of reciprocating swing on lifting frame 2, swing frame 3 has tray bearing surface 3-1 and bag delivery surface 3-2 arranged at an angle, the angle between tray bearing surface 3-1 and bag delivery surface 3-2 of swing frame 3 is 90 degrees, tray bearing surface 3-1 and bag delivery surface 3-2 are parallel to the swing axis of swing frame 3, the unstacker also has drive swing device 4 for driving swing frame 3 to swing on lifting frame 2, tray bearing surface 3-1 is located at the feed inlet side of the unstacker, bag delivery surface 3-2 is located at the discharge outlet side of the unstacker, if the bag movement direction is front, then the feed inlet side is the rear of the unstacker, and the discharge outlet side is the front of the unstacker, swing frame 3 has a receiving state when tray bearing surface 3-1 is horizontal and a discharge state when tray bearing surface 3-1 is swung up, tray bearing surface 3-1 can also be slightly higher at the front bottom in the receiving state.

[0036] As shown in the accompanying Figure 1 It is receiving state diagram, and it is for the occasion that upstream stacking conveying line discharge outlet is lower than downstream package roller table feed inlet, at this time, lifting frame 2 is lowered to receiving position, and tray bearing surface 3-1 is in horizontal state and waits for the entry of cargo tray, bag delivery surface 3-2 is in vertical state, bag delivery surface 3-2 is the conveying surface of feeding chain plate, tray bearing surface 3-1 is the upper support surface formed by a plurality of feeding rollers 5 arranged on the bearing frame, the axis of feeding roller 5 is parallel to the swing axis of swing frame 3, that is, swing frame 3 includes chain plate machine and bearing frame, the conveying surface of chain plate machine is perpendicular to the upper support surface of a plurality of feeding rollers 5, in receiving state, chain plate machine can be inoperative, feeding roller 4 can be provided with power drive or without power drive as needed, and this structure can realize the movement of tray on tray bearing surface 3-1.

[0037] As shown in the accompanying Figure 2is a feeding state diagram, at this time, the elevator frame 2 is raised to the discharge position, and the tray bearing surface 3-1 carries the load tray to leave the horizontal state and swings up, the entire process of the tray bearing surface 3-1 swinging up belongs to the feeding state, the swinging angle of the tray bearing surface 3-1 is generally less than or equal to 90 degrees, or can be greater than 90 degrees; of course, the entire process of the tray bearing surface 3-1 swinging down belongs to the reset state; after entering the feeding state, the bag conveying surface 3-2 also swings to a certain angle, the chain plate machine works, the bags are scattered and fall to the bag arranging roller table 8, the continuously working bag arranging roller table 8 further scatters the bags, and the bag arranging roller table 8 sends the bags to the conveying belt, the movement direction of the conveying belt is perpendicular to the feeding direction of the bag arranging roller table 8, and the two sides of the conveying belt are provided with arranging plates, which arrange the length direction of the bags to be consistent with the movement direction of the conveying belt; obviously, the movement direction of the feeding chain plate of the unstacking machine on the conveying surface is toward the discharge port side.

[0038] If the unstacking machine is applied to the case that the discharge port of the upstream stacking conveying line is higher than the feeding port of the downstream bag arranging roller table, then the elevator frame 2 is first raised to the receiving position and then lowered to the discharge state.

[0039] Another structure not shown in the figure is that the feeding rollers are arranged on the elevator frame 2, the tray bearing surface 3-1 is the upper plane of the bearing frame, a plurality of feeding rollers are arranged on the elevator frame 2, the axis of the feeding rollers is parallel to the swinging axis of the swinging frame 3, the upper support surface formed by the plurality of feeding rollers is higher than the upper plane of the bearing frame when the swinging frame 3 is in the receiving state, the feeding rollers correspond to the empty slots on the bearing frame, the tray does not contact the tray bearing surface 3-1 in the receiving state, and the tray contacts the tray bearing surface 3-1 after entering the discharge state.

[0040] The lifting structure of the elevator frame 2 on the base 1 is that the base 1 has four vertical columns, each vertical column is provided with an upper sprocket and a lower sprocket at the upper and lower ends, each group of upper and lower sprockets is connected by a chain, and the four corners of the elevator frame 2 are fixed on the four chains. The lower sprocket is driven by a reduction motor as a driving sprocket, and a guide structure is arranged between the elevator frame 2 and the vertical column of the base 1.

[0041] The drive swinging device 4 for driving the swinging frame 3 to swing on the elevator frame 2 includes a driven gear 4-1 fixed on the swinging frame 3 and a driving gear 4-2 rotatably arranged on the elevator frame 2. The elevator frame 2 is provided with a reduction motor, and the driving gear 4-2 engaged with the driven gear 4-1 is installed on the output shaft of the reduction motor. The structure of the drive swinging device 4 can also be another form of oil cylinder driving, in which the fixed end of the telescopic oil cylinder is hinged to the elevator frame 2, and the movable end is hinged to the swinging frame 3.

[0042] The swinging frame 3 is provided with an empty tray moving-out device 6 for pushing out the empty tray when the swinging frame 3 is in the receiving state, as shown in the figure. The empty tray moving-out device 6 is a pushing rod 6-1 arranged on the swinging frame 3, and the pushing rod 6-1 is provided with a spring 6-2. Figure 3As shown, the empty pallet removing device 6 is two push blocks driven by two driving devices to move left and right. The push blocks are fixed on a drive belt or drive chain that reciprocates left and right. The empty pallet is pushed out from the side of the depalletizer by the empty pallet removing device 6.

[0043] As attached Figure 3 As shown, the swing frame 3 is provided with a pallet anti-slip device 7 for preventing the pallet and the bag from falling out together when the swing frame 3 is in the discharging state. The pallet anti-slip device 7 includes a swing hook, which can be hooked on the forklift hole of the pallet. The action of the pallet anti-slip device 7 releasing the pallet must be completed before the empty pallet removing device 5 works. The pallet anti-slip device 7 includes a swing hook, a tension spring and a push rod. Due to display reasons, the tension spring and the push rod are not shown in the accompanying drawings. The working process of the pallet anti-slip device 7 is that the swing frame 3 swings down to the material receiving state When the swing frame 3 swings upward, the top rod is disengaged from the non-hook end of the swing hook, and the non-hook end of the swing hook swings downward under the action of the tension spring, one end of the tension spring is hooked on the non-hook end of the swing hook, and the other end is hooked on the bearing frame of the swing frame 3, and the hook end of the swing hook swings upward and hooks on the forklift hole of the pallet.

[0044] Still see attached Figure 1 The swing frame 3 is provided with a baffle 8 to prevent the pallet from contacting the bag delivery surface 3-2. There are two baffles 8 set at intervals. The baffle 8 is a limit for the forward moving pallet to prevent the conveying force of the chain conveyor surface from acting on the pallet.

[0045] The utility model also has an electric control device, and the operation of each device of the depalletizer is controlled by a program.

[0046] The destacker of the present invention can feed the bag unscrambling roller table 9 at intervals or continuously, and the swing frame 3 can feed while swinging, all of which depend on the specific working conditions.

[0047] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dumping type bagged material depalletizer with lifting function, characterized by: The utility model comprises a base (1), a lifting frame (2) and a swinging frame (3); the lifting frame (2) is arranged on the base (1) in a form of up and down movement; the swinging frame (3) is arranged on the lifting frame (2) in a form of reciprocating swing; the swinging frame (3) has a tray bearing surface (3-1) and a bag delivery surface (3-2) arranged at an angle; the tray bearing surface (3-1) and the bag delivery surface (3-2) are both parallel to the swing axis of the swinging frame (3); the depalletizer further comprises a swing driving device (4) for driving the swinging frame (3) to swing on the lifting frame (2); the tray bearing surface (3-1) is located on the feeding port side of the depalletizer; the bag delivery surface (3-2) is located on the discharging port side of the depalletizer; the swinging frame (3) has a material receiving state when the tray bearing surface (3-1) is approximately horizontal and a material discharging state when the tray bearing surface (3-1) swings and rises.

2. The dumping type bagged material depalletizer with lifting function according to claim 1 is characterized by: The angle between the tray bearing surface (3-1) and the bag delivery surface (3-2) of the swing frame (3) is 90 to 120 degrees.

3. The dumping type bagged material depalletizer with lifting function according to claim 1 is characterized by: The bag delivery surface (3-2) is the conveying surface of the feeding chain plate or the feeding belt.

4. The dumping type bagged material depalletizer with lifting function according to claim 1 is characterized by: The tray bearing surface (3-1) is an upper supporting surface formed by a plurality of feed rollers (5) arranged on the bearing frame, and the axes of the feed rollers (5) are parallel to the swing axis of the swing frame (3).

5. The dumping type bagged material depalletizer with lifting function according to claim 1 is characterized by: The tray bearing surface (3-1) is the upper plane of the bearing frame.

6. The dumping type bagged material depalletizer with lifting function according to claim 1 is characterized by: The tray bearing surface (3-1) is the upper plane of the bearing frame, and a plurality of feed rollers are provided on the lifting frame (2). The axes of the feed rollers are parallel to the swing axis of the swing frame (3), and the upper support surface formed by the plurality of feed rollers is higher than the upper plane of the bearing frame when the swing frame (3) is in a material receiving state.

7. The dumping type bagged material depalletizer with lifting function according to claim 1 is characterized by: The swing driving device (4) for driving the swing frame (3) to swing on the lifting frame (2) comprises a driven gear (4-1) fixed on the swing frame (3) and a driving gear (4-2) rotatably arranged on the lifting frame (2); a reduction motor is provided on the lifting frame (2); and the driving gear (4-2) meshing with the driven gear (4-1) is mounted on the output shaft of the reduction motor.

8. The dumping type bagged material depalletizer with lifting function according to claim 1 is characterized by: The swing frame (3) is provided with an empty tray removal device (6) for pushing out the empty tray when the swing frame (3) is in a material receiving state.

9. The dumping type bagged material depalletizer with lifting function according to claim 1, characterized in that: The swing frame (3) is provided with a tray anti-falling device (7) for preventing the tray and the bags from falling out together when the swing frame (3) is in a discharging state.

10. The dumping type bagged material depalletizer with lifting function according to claim 1, characterized in that: The swing frame (3) is provided with a baffle (8) for preventing the tray from contacting the bag delivery surface (3-2).

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