CN220148609U - Pulling-out type unstacking machine - Google Patents

Abstract

The utility model discloses a pulling-out type unstacker which comprises a frame, a stacking platform and a pulling-out bag conveyor, wherein the stacking platform and the pulling-out bag conveyor are arranged on the frame, the pulling-out bag conveyor is arranged on the frame in a sliding mode and also comprises a material taking mechanism arranged on the frame, the material taking mechanism is positioned above the stacking platform and the pulling-out bag conveyor, and the material taking mechanism comprises a bracket, a pickup device arranged on the bracket and a longitudinal driving device for controlling the pickup device to lift. According to the poking-off unstacker provided by the utility model, the material taking mechanism is additionally arranged, and the material taking mechanism is used for lifting the material bags, so that the poking-off conveyor can conveniently poke the material bags at the bottom of the material bags in time, the poking-off conveyor can poke the material bags more quickly, and the unstacking efficiency is improved. Even if the stacking of the material bags is not standard, the bottoms of certain material bags are lower than the bag pulling conveyor, the material bags can be lifted by the material taking mechanism, so that the bag pulling conveyor can conveniently extend into the bottoms of the material bags, the situation that the material pulling is difficult or fails is avoided, and the reliability is improved.

Description

Pulling-out type unstacking machine

Technical Field

The utility model relates to the technical field of machinery, in particular to a pulling-out unstacking machine.

Background

In the material unstacking operation, unstacking machines have gradually replaced traditional manual unstacking. The unstacking efficiency of the unstacking machine is higher than that of manual unstacking, and how to further improve the unstacking efficiency is a goal pursued by enterprises. The Chinese patent 201721176068.0 proposes a bagged material separating unstacker, by introducing a bag pulling conveyor capable of sliding back and forth, a mode of pulling a material bag and conveying the material bag by utilizing a roller of the bag pulling conveyor is utilized, and the material bag is seamlessly combined with the material bag in conveying, so that the rapid material taking and rapid stable conveying are realized, and the unstacking efficiency is greatly improved.

However, in practical applications, the stacking is often irregular, so that the materials on the stacking platform are different. At this moment, when the material is pulled out by the bag pulling conveyor, the roller of the bag pulling conveyor cannot extend into the bottom of the material bag with lower position, so that the problem that the material is difficult to pull out and breaks bags or the bag pulling out fails occurs, and the reliability and the unstacking efficiency of the unstacking machine are affected.

Disclosure of Invention

The utility model mainly aims to provide a poking-off type unstacking machine, which aims to solve the technical problems of the existing poking-off type unstacking machine and improve the reliability and unstacking efficiency of the unstacking machine.

In order to achieve the above purpose, the utility model provides a separating unstacking machine, which comprises a frame, a stacking platform arranged on the frame and a bag poking conveyor, wherein the bag poking conveyor can be arranged on the frame in a front-back sliding manner, and the separating unstacking machine is characterized in that: the automatic feeding and discharging device is characterized by further comprising a feeding mechanism arranged on the frame, wherein the feeding mechanism is positioned above the stacking platform and the bag poking conveyor and comprises a bracket, a picking device arranged on the bracket and a longitudinal driving device for controlling the lifting of the picking device.

Optionally, at least two pick-up devices are provided, each pick-up device is correspondingly provided with one longitudinal driving device, and the longitudinal driving devices respectively and independently control the lifting of the corresponding pick-up devices.

Optionally, at least one of the pick-up devices is slidably mounted to the support.

Optionally, the material taking mechanism further comprises a translation driving device and an offset detection device for detecting the left-right offset distance of the materials on the stacking platform, and the translation driving device controls at least one pick-up device to slide left and right on the support according to the detection result of the offset detection device.

Optionally, a sliding rail extending leftwards and rightwards is arranged on the bracket, a sliding plate capable of sliding along the sliding rail is arranged on the sliding rail, and the pick-up device is arranged on the sliding plate.

Alternatively, all the pick-up devices are mounted on one slide.

Optionally, the picking mechanism further comprises a transverse driving device for controlling the rotation of the picking device.

Optionally, the transverse driving device comprises a fixing frame and a cylinder arranged on the fixing frame, the pick-up device comprises a rotating shaft and a connecting rod, the rotating shaft is in rotatable movable connection with the fixing frame, one end of the connecting rod is fixedly connected with the rotating shaft, and the other end of the connecting rod is in movable connection with a piston rod of the cylinder.

Optionally, each pickup device is correspondingly provided with one transverse driving device, and the transverse driving devices respectively and independently control the corresponding pickup devices to rotate.

Optionally, the material taking mechanism is slidably mounted on the frame back and forth.

According to the poking-off unstacker provided by the utility model, the material taking mechanism is additionally arranged, and the material taking mechanism is used for lifting the material bags, so that the poking-off conveyor can conveniently poke the material bags at the bottom of the material bags in time, the poking-off conveyor can poke the material bags more quickly, and the unstacking efficiency is improved. Even if the stacking of the material bags is not standard, the bottoms of certain material bags are lower than the shifting bag conveyor, the material bags can be lifted by the material taking mechanism, so that the shifting bag conveyor can conveniently stretch into the shifting materials at the bottoms of the material bags, the situation that the shifting of the materials is difficult or fails is avoided, and the reliability is improved.

Drawings

FIG. 1 is a schematic view of an embodiment of a lift-off unstacker of the present utility model;

FIG. 2 is a schematic view of the lift-off unstacker of FIG. 1 lifting material;

FIG. 3 is a schematic view of the pick-up device of the lift-off unstacker of FIG. 1 in a condition in which material is to be lifted;

fig. 4 is a schematic view showing a state where the pick-up device of the pull-off unstacker in fig. 1 lifts up a material.

In the accompanying drawings:

01-material bag

10-frame

20-stacking platform

30-bag pulling conveyor

40-material taking mechanism

41-bracket

42-pickup device

421-spindle

422-connecting rod

423-spike teeth

43-longitudinal drive

44-transverse drive

441-fixing frame

442-driven cylinder

443-bearing

45-skateboard

46-slide rail

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The separating unstacker can unstack various types of stacked materials according to actual needs, and the unstacking bagged materials are taken as an example for the embodiment of the utility model to be described in detail.

Referring to fig. 1-4, an embodiment of the present utility model is presented that includes a frame 10, a stacking platform 20, a bag-shifting conveyor 30, and a take out mechanism 40. The stacking platform 20 is slidably mounted in the front of the frame 10, and can drive the stacking platform 20 to lift up and down through a driving device such as a motor and an air cylinder, or alternatively, can drive the stacking platform 20 to rotate through a driving device such as a motor. The bag pulling conveyor 30 is slidably mounted on the upper part of the frame 10, and the bag pulling conveyor 30 can be driven to move back and forth by a driving device such as a motor, an air cylinder, etc. The bag pulling conveyor 30 is used for pulling and transporting the material bags 01 on the stacking platform 20, and comprises a plurality of rollers, optionally, at least one of the rollers is a cross star roller and is arranged at the front part of the bag pulling conveyor 30 for pulling and fetching the material bags 01, and the other rollers can be a cylinder roller, a square cylinder roller and the like.

The picking mechanism 40 comprises a bracket 41, a picking device 42 and a longitudinal driving device 43, wherein the bracket 41 is arranged at the upper part of the frame 10 and is positioned above the stacking platform 20 and the bag pulling conveyor 30, the picking device 42 and the longitudinal driving device 43 are arranged on the bracket 41, and the longitudinal driving device 43 controls the picking device 42 to lift so as to pick up and put down materials. In the embodiment of the utility model, the pickup device 42 comprises a spike-tooth rake, the longitudinal driving device 43 comprises an air cylinder, the air cylinder is inversely arranged on the bracket 41 of the material taking mechanism 40, a piston rod of the air cylinder is fixedly connected with the spike-tooth rake, the spike-tooth rake is lifted along with the extension and retraction of the piston rod of the air cylinder, the spike-tooth rake is pricked into the material bag 01 when being lowered, the material bag 01 is lifted when being lifted, and the material bag pulling conveyor 30 can be easily stretched into the bottom of the material bag 01 to pull the material bag 01, so that material pulling is faster, and the unstacking efficiency is improved. Even if the stacking of the material bags 01 is not standard, so that the bottoms of certain material bags 01 are lower than the bag pulling conveyor 30, the material bags 01 can be lifted by the pick-up device 42, so that the bag pulling conveyor 30 can conveniently extend into the bottoms of the material bags 01, and the reliability is improved.

In some embodiments, the pick-up device 42 may also comprise a suction cup by means of which the bag 01 is sucked; the longitudinal driving means 43 may also comprise a servomotor by means of which the lifting of the pick-up device 42 is controlled. The utility model is not limited in this regard.

Further, in the embodiment of the present utility model, there are at least two pick-up devices 42, as shown in fig. 1 and 2, and the picking mechanism 40 has three pick-up devices 42 arranged side by side, so that the picking mechanism 40 can lift three bags 01 at the same time.

Further, there are at least two longitudinal driving devices 43, each pickup device 42 is correspondingly provided with one longitudinal driving device 43, and the longitudinal driving devices 43 respectively and independently control the pickup devices 42 corresponding to the longitudinal driving devices to lift. As shown in fig. 1 and 2, the take-off mechanism 40 has three pick-up devices 42 arranged side by side, each pick-up device 42 having a longitudinal drive 43. The lifting scheme of each pickup device 42 can avoid the situation that when the heights of the respective material bags 01 are inconsistent, the descending heights of some pickup devices 42 are insufficient and the material bags 01 are extracted, so that each pickup device 42 can adaptively adjust the descending heights according to the heights of the corresponding material bags 01, and the corresponding material bags 01 can be successfully lifted.

In some embodiments, the lifting of all the pick-up devices 42 can also be controlled by one longitudinal driving device 43 at the same time, which can reduce the cost.

Still further, the take off mechanism 40 also includes a lateral drive device 44 for controlling rotation of the pick up device 42. The lateral drive means 44 may comprise a cylinder, a servo motor, etc., with the cylinder being preferred in embodiments of the present utility model. After the longitudinal driving device 43 controls the pickup device 42 to descend and insert the material bag 01, the transverse driving device 44 controls the pickup device 42 to rotate, so that the spike-tooth rake of the pickup device 42 is inclined upwards, and the material bag 01 can be lifted more firmly, and the material bag 01 is prevented from sliding off. As shown in fig. 2, a schematic view of a pick-up device 42 of a lift-off unstacker according to an embodiment of the present utility model when lifting a bag 01 is shown. At the same time, the longitudinal driving device 43 controls the pickup device 42 to ascend, and when the pickup device is ascended to a certain height, the transverse driving device 44 reversely rotates again to restore the original position, so that the pickup device 42 discharges the material bag 01, and at the moment, the bag pulling conveyor 30 extends into the bottom of the material bag 01 and pulls out the material bag 01.

Fig. 3 and fig. 4 are schematic structural diagrams of connection between a pickup device 42 of a lift-off unstacker and a transverse driving device 44 according to an embodiment of the present utility model, wherein fig. 3 is a schematic state diagram of the pickup device 42 of the lift-off unstacker when materials are to be lifted, and fig. 4 is a schematic state diagram of the pickup device 42 of the lift-off unstacker when materials are to be lifted. In the embodiment of the present utility model, the transverse driving device 44 includes a fixing frame 441 and a driving cylinder 442 mounted on the fixing frame 441, the pickup device 42 includes a rotating shaft 421, a connecting rod 422 and spike teeth 423, the rotating shaft 421 is rotatably movably connected with the fixing frame 441, specifically, a bearing 443 may be mounted on the fixing frame 441, the rotating shaft 421 is inserted into a mounting hole of the bearing 443 to be connected with the bearing 443 in an adapting manner, one end of the connecting rod 422 is fixedly connected with the rotating shaft 421, and the other end is movably connected with a piston rod of the driving cylinder 442. When the piston rod of the cylinder 442 pulls the connecting rod 422, the connecting rod 422 drives the rotating shaft 421 to rotate, and the rotating shaft 422 rotates to lift the spike teeth 423 upward so as to lift the material.

The pick-up device 42 in this embodiment picks up material by a spike-tooth rake, so that spike-teeth 423 are connected to the rotation shaft 421. When the pick-up device picks up the material by other structures such as a suction cup, the pick-up device may be connected to the rotating shaft 421 by other structures such as a suction cup, which is not limited in the present utility model.

In other embodiments, the lateral drive device 44 may also include a motor and control rotation of the pickup device 42 via a gear arrangement, which is not limited in this embodiment of the utility model.

Further, there are at least two transverse driving devices 44, and each pickup device 42 is provided with one transverse driving device 44, and the transverse driving devices 44 respectively and independently control the rotation of the corresponding pickup devices 42. The rotation scheme of each pick-up device 42 can be controlled independently, so that the rotation time, rotation angle and duration of each pick-up device 42 can be adjusted in a self-adaptive manner, and the stacking condition of each material bag 01 can be dealt with more flexibly.

Further, the take-off mechanism 40 is slidably mounted back and forth to the frame 10. Specifically, a sliding groove or a sliding rail 46 may be provided on the left and right sides of the frame 10, the bracket 41 is slidably mounted on the sliding groove or the sliding rail 46 through a sliding block, and the feeding mechanism 40 is driven to slide back and forth on the sliding groove or the sliding rail 46 through an air cylinder or a motor. When the picking device 42 lifts the material bag 01, the material taking mechanism 40 slides backwards, so that the effect of dragging the material bag 01 backwards is achieved, and the bag pulling conveyor 30 stretches into the bottom of the material bag 01 more easily and pulls the material bag 01. After the picking device 42 discharges the bag 01, the take-off mechanism 40 slides forward again to return to the original position.

In some embodiments, the take off mechanism 40 is slidably mounted back and forth to the frame 10, but no lateral drive means 44 is provided to control rotation of the pick up device 42. The take off mechanism 40 slides back after picking up material by the pick up device 42 to drag the material onto the bag pull conveyor 30.

In other embodiments, the take-off mechanism 40 is neither slidable back and forth nor provided with a transverse drive 44 to control rotation of the pick-up device 42, but rather is provided with barbs on the spike-tooth rake of the pick-up device 42, which catch the bag 01 to allow at least the front end of the bag 01 to be lifted when the spike-tooth rake lifts the bag 01, and which prevent the hanging force of the barbs from bearing the weight of the bag 01 when the spike-tooth rake continues to lift the bag 01 so that the bag 01 eventually falls off the spike-tooth rake, the bag-pulling conveyor 30 has been advanced into the bottom of the bag 01. This solution also allows to achieve the purpose of lifting the bag 01 to assist the bag-pulling conveyor 30 in pulling the material.

Further, at least one pickup 42 is slidably mounted on the bracket 41. In the embodiment of the utility model, a sliding rail 46 extending leftwards and rightwards is arranged on the bracket 41, a sliding plate 45 capable of sliding along the sliding rail 46 is arranged on the sliding rail 46, and the pickup device 42 is fixedly arranged on the sliding plate 45 and slides leftwards and rightwards along with the sliding plate 45. The slide 45 may be mounted on the slide rail 46 by means of a slider or a roller. In the embodiment of the present utility model, only one slide plate 45 is mounted on the slide rail 46, and all the pickup devices 42 are mounted on the same slide plate 45 so as to slide left and right together with the slide plate 45. In other embodiments, at least two sliding plates 45 may be mounted on the sliding rail 46, and each pickup device 42 is correspondingly mounted on one sliding plate 45 and slides left and right along with the corresponding sliding plate 45, which facilitates the independent adjustment of the displacement of each pickup device 42. In still other embodiments, at least two skids 45 may be mounted on the skid 46 and multiple pickup devices 42 may be grouped, with the same group of pickup devices 42 mounted on the same skid 45, to provide group adjustment control of the pickup devices 42.

In some embodiments, a sliding chute extending from left to right is provided on the bracket 41, a sliding plate 45 is mounted on the sliding chute to slide from left to right, and the pickup device 42 is mounted on the sliding plate 45. The slide 45 may be mounted on the chute by means of a slider or roller. Of course, other existing movable connection schemes may be used to connect the pickup device 42 and the stand 41, as long as the pickup device 42 can slide left and right on the stand 41, which is not limited by the present utility model.

In the embodiment of the utility model, when the stacking is not standard and the position of the material bag 01 is shifted left and right, the material bag 01 is aligned by sliding the pickup device 42 left and right, so that the situation that the pickup device 42 is shifted from the position of the material bag 01 and the material bag 01 is difficult to pick up and even fails to pick up is avoided, and the reliability and the unstacking efficiency of the unstacking machine are improved.

Still further, the extracting mechanism 40 further includes a translation driving device and an offset detecting device, the offset detecting device is used for detecting a left-right offset distance of the material on the stacking platform 20, and the translation driving device controls the at least one pick-up device 42 to slide left and right on the support 41 according to the detection result of the offset detecting device. The translation driving device may include an air cylinder, a motor, or the like, which is not limited in the embodiment of the present utility model.

Specifically, in an alternative embodiment, the offset detection device detects whether the material bag 01 on the stacking platform 20 is offset from the standard position and the distance of the offset standard position, and when the material bag 01 is offset from the standard position, the translation driving device controls the pickup device 42 to slide in the corresponding direction by a corresponding distance, and in this embodiment, the translation driving device pushes the slide plate 45 to slide left and right. For example, the deviation detecting device detects that the material bag 01 is deviated to the left by 5 cm, and the translation driving device controls the pickup device 42 to slide to the left by 5 cm; the displacement detecting device detects that the material bag 01 is displaced to the right by 3 cm, and the translation driving device controls the pickup device 42 to slide to the right by 3 cm. Thereby realizing the self-adaptive adjustment of the position of the pick-up device 42 according to the stacking condition, omitting manual adjustment and improving the efficiency.

According to the poking-off unstacker disclosed by the embodiment of the utility model, the material taking mechanism 40 is additionally arranged, the material taking mechanism 40 is utilized to lift the material bags 01, so that the poking-off conveyor 30 can conveniently poke the material from the bottom of the material bags 01 in a timely manner, the poking-off conveyor 30 can poke the material bags 01 more quickly, and the unstacking efficiency is improved. Even if the stacking of the material bags 01 is not standard, so that the bottoms of certain material bags 01 are lower than the bag pulling conveyor 30, the material bags 01 can be lifted by the material taking mechanism 40, so that the bag pulling conveyor 30 can conveniently extend into the bottoms of the material bags 01, the situation that the material pulling is difficult or failed is avoided, and the reliability is improved.

Further through setting up the pickup apparatus 42 that can slide left and right, when the stack is not standardised and makes the position of pocket 01 take place to shift about, can slide pickup apparatus 42 about according to the skew condition of pocket 01 to make pickup apparatus 42 aim at pocket 01 all the time, avoid appearing the pocket 01 and pick up the condition such as difficulty even fail, improved unstacker's reliability and unstacking efficiency. Further through setting up translation drive arrangement and skew detection device, utilize skew detection device real-time detection pocket 01's offset distance, utilize translation drive arrangement to control pickup apparatus 42 slip according to pocket 01's offset distance in order to aim at pocket 01, realized according to the automatic real-time adjustment pickup apparatus 42's of pile up neatly condition position, improved pickup efficiency and adaptive capacity.

The preferred embodiments of the present utility model have been described above with reference to the accompanying drawings, and thus do not limit the scope of the claims of the present utility model. Those skilled in the art will appreciate that many modifications are possible in which the utility model is practiced without departing from its scope or spirit, e.g., features of one embodiment can be used with another embodiment to yield yet a further embodiment. Any modifications, equivalent substitutions and improvements made by those skilled in the art without departing from the scope and spirit of the present utility model shall fall within the scope of the appended claims. All equivalent structures or equivalent flow changes made by the specification and the attached drawings of the utility model or directly or indirectly applied to other related technical fields are included in the protection scope of the utility model.

Claims (9)

1. The utility model provides a group is from formula destacking machine, includes the frame with install in the stacking platform of frame and dial a bag conveyer, dial a bag conveyer slidable around install in the frame, its characterized in that: still including install in the extracting mechanism of frame, extracting mechanism is located the stack platform with dial a bag conveyer top, extracting mechanism include the support, install in the pickup device of support, control pickup device pivoted transverse driving device and control pickup device goes up and down longitudinal driving device, pickup device includes the spike tooth harrow.

2. The lift-off unstacker as set forth in claim 1 wherein: at least two pick-up devices are provided, each pick-up device is correspondingly provided with one longitudinal driving device, and the longitudinal driving devices respectively and independently control the lifting of the corresponding pick-up devices.

3. The lift-off unstacker as set forth in claim 2 wherein: at least one pickup device is slidably mounted to the bracket.

4. A lift-off unstacker according to claim 3 wherein: the material taking mechanism further comprises a translation driving device and an offset detection device for detecting the left-right offset distance of the materials on the stacking platform, and the translation driving device controls at least one pickup device to slide left and right on the support according to the detection result of the offset detection device.

5. The lift-off unstacker as set forth in claim 4 wherein: the support is provided with a sliding rail extending leftwards and rightwards, a sliding plate capable of sliding along the sliding rail is arranged on the sliding rail, and the pick-up device is arranged on the sliding plate.

6. The lift-off unstacker as set forth in claim 5 wherein: all pick-up devices are mounted on a slide.

7. The lift-off unstacker according to any one of claims 1 to 6 wherein: the transverse driving device comprises a fixing frame and an air cylinder arranged on the fixing frame, the pick-up device comprises a rotating shaft and a connecting rod, the rotating shaft is in rotatable movable connection with the fixing frame, one end of the connecting rod is fixedly connected with the rotating shaft, and the other end of the connecting rod is in movable connection with a piston rod of the air cylinder.

8. The lift-off unstacker as set forth in claim 1 wherein: each pickup device is correspondingly provided with one transverse driving device, and the transverse driving devices respectively and independently control the corresponding pickup devices to rotate.

9. The lift-off unstacker according to any one of claims 1 to 6 wherein: the material taking mechanism can be arranged on the frame in a front-back sliding way.