CN111847006A - Touch opening-closing type bag releasing mechanism - Google Patents

Abstract

The invention relates to the technical field of loading equipment, and provides a touch opening and closing type bag placing mechanism which comprises a lifting frame body arranged in a frame body, wherein a bag receiving assembly is arranged on the lifting frame body and comprises two carrying plates which can be opened or closed oppositely; the bottom of the carrying plate is fixedly provided with a support rod; two ends of the supporting rod are respectively connected with a frame body pull rope through a traction assembly; the bottom of the frame body is provided with a stop block; when the lifting frame body is separated from the stop block: the frame body pull rope is tensioned, the carrying plates of all the bag receiving assemblies are closed, and the support rods are abutted to the lifting frame body; the frame body pull rope is retracted or released to drive the lifting frame body to ascend or descend; when the lifting frame body is placed on the stop block: the frame body pull rope is continuously released, and the two carrying plates of the bag receiving assembly are opened. Therefore, the material bag is stably conveyed by the bag receiving assembly in the lifting process, and the material bag is opened to fall down after reaching the lowest position and touching the stop block. Simple and compact structure, and stable and rapid package placing process. On the premise of ensuring the safety of the package placing action, the package placing efficiency is greatly improved.

Description

Touch opening-closing type bag releasing mechanism

Technical Field

The invention belongs to the technical field of loading equipment, and particularly relates to a touch opening and closing type bag releasing mechanism.

Background

Along with the rise of labor cost, the intelligent loading equipment is more and more widely applied.

The patent with application number 201910408567.5 discloses a truss-like car loading device, which grabs a cargo package through a manipulator and then accurately places the cargo package on a predetermined position of a car hopper through X (horizontal), Y (vertical) and Z (vertical) three-way positioning.

However, the manipulator of the equipment can only grab one pack of goods at a time, and then grab the next pack after the goods are placed. The interval time for placing two packages of goods is longer, so that the whole loading time is longer, and the loading efficiency is lower.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

Disclosure of Invention

In view of the above-mentioned drawbacks, an object of the present invention is to provide a touch opening and closing type bag releasing mechanism, in which a bag receiving assembly is disposed on a lifting frame body; the bag receiving assembly comprises two carrying plates which can be opened or closed; the bottom of the carrying plate is fixedly provided with a support rod; two ends of the supporting rod are respectively connected with a frame body pull rope through a traction assembly; the bottommost part of the frame body is provided with a stop block for bearing the lifting frame body. The frame body pull rope is tensioned, and the support rod is abutted against the lifting frame body and drives the lifting frame body to ascend or descend; when the lifting frame body is placed on the stop block: the frame body stay cord continues to be released, the two carrying plates of the bag receiving assembly are opened, and the material bag falls down. The bag receiving assembly can stably convey the material bag in the lifting process, and the material bag is opened to fall down after the material bag reaches the lowest position and touches the stop block. Simple and compact structure, and stable and rapid package placing process. On the premise of ensuring the safety of the package placing action, the package placing efficiency is greatly improved.

In order to achieve the purpose, the invention provides a touch opening-closing type bag releasing mechanism which comprises a lifting frame body arranged in a frame body, wherein at least two groups of bag receiving assemblies are arranged on the lifting frame body; the bag receiving assembly comprises two carrying plates which can be opened or closed; the bottom of the carrying plate is fixedly provided with a support rod; two ends of the support rod are respectively connected with a frame body pull rope through a traction assembly;

a stop block for placing the lifting frame body is arranged at the bottom of the frame body;

when the lifting frame body is separated from the stop block: the frame body pull rope is tensioned, the carrying plates of all the bag receiving assemblies are closed, and the support rods are abutted to the lifting frame body; the frame body pull rope is retracted or released to drive the lifting frame body to ascend or descend;

when the lifting frame body is placed on the stop block: the frame body pull rope is continuously released, and the two carrying plates of the bag receiving assembly are opened.

According to the touch opening-closing type bale releasing mechanism, the traction assembly comprises a cross frame rod used for connecting frame body pull ropes, two ends of the cross frame rod are respectively and rotatably connected with a pull rod, and the two pull rods are respectively and rotatably connected with corresponding support rods.

According to the touch opening and closing type bale releasing mechanism, the two frame body pull ropes of each bale assembling component are respectively wound and connected with a winding roller.

According to the touch opening-closing type bale releasing mechanism, the two winding rollers of each group of bale assembly are connected by the transmission shaft.

According to the touch opening-closing type bag releasing mechanism, the bottom of the frame body is provided with the frame body pull rope; the lifting frame body is provided with a guide sleeve movably sleeved with the frame body pull rope.

According to the touch opening-closing type bag releasing mechanism, the frame body comprises a plurality of lifting frames which are movably sleeved from top to bottom. The lifting frame comprises an upper frame and a lower frame which are connected by a support rod; the lower frame of the lifting frame positioned at the lowest layer of the frame body is connected with the frame body pull rope;

the frame body pull rope is retracted to drive the lifting frame at the lowest layer to ascend, and sequentially drive the lifting frames at each layer to retract layer by layer; the lifting frames of each layer can be put down layer by releasing the frame body pull rope.

According to the touch opening-closing type bag releasing mechanism, the outer side of the upper frame is provided with the barrier strip;

when the lifting frame is folded, the barrier strip of the lifting frame positioned on the lower layer is abutted against the lower edge of the upper frame of the lifting frame positioned on the upper layer;

when the lifting frame is released, the barrier strip of the lifting frame positioned on the lower layer is lapped on the upper edge of the lower frame of the lifting frame positioned on the upper layer.

According to the touch opening-closing type bag releasing mechanism, the frame body pull rope and the frame body pull rope are both steel wire ropes.

The invention aims to provide a touch opening-closing type bag releasing mechanism, wherein a bag receiving assembly is arranged on a lifting frame body; the bag receiving assembly comprises two carrying plates which can be opened or closed; the bottom of the carrying plate is fixedly provided with a support rod; two ends of the supporting rod are respectively connected with a frame body pull rope through a traction assembly; the bottommost part of the frame body is provided with a stop block for bearing the lifting frame body. The frame body pull rope is tensioned, and the support rod is abutted against the lifting frame body and drives the lifting frame body to ascend or descend; when the lifting frame body is placed on the stop block: the frame body stay cord continues to be released, the two carrying plates of the bag receiving assembly are opened, and the material bag falls down. The bag receiving assembly can stably convey the material bag in the lifting process, and the material bag is opened to fall down after the material bag reaches the lowest position and touches the stop block. Simple and compact structure, and stable and rapid package placing process. On the premise of ensuring the safety of the package placing action, the package placing efficiency is greatly improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a portion of the region of FIG. 1;

FIG. 3 is a schematic structural view of a portion of the region of FIG. 2;

FIG. 4 is a schematic structural view of a portion of the region of FIG. 2;

FIG. 5 is a schematic structural view of a portion of the region of FIG. 4;

FIG. 6 is a schematic structural view of a portion of the region of FIG. 1;

FIG. 7 is a schematic structural view of a portion of the region of FIG. 6;

FIG. 8 is a schematic structural view of a slewing bearing of the present invention;

FIG. 9 is a schematic structural view of the region A in FIG. 8;

FIG. 10 is a schematic structural view of a portion of the region of FIG. 6;

FIG. 11 is a schematic structural view of a portion of the region of FIG. 10;

FIG. 12 is a schematic view of the structure of FIG. 10 in an operational state;

in the figure: 1-a rotor, 11-a runner and 111-a clamping groove; 12-driving wheel, 13-pulling belt, 14-tension wheel; 2-a door body, 21-an opening and closing cylinder, 22-a driving rod, 23-a driving swing arm and 24-a connecting rod; 3-upper frame, 31-lower frame, 32-support rod, 33-barrier strip, 34-frame body pull rope, 35-stop block; 4-lifting frame body, 41-frame body pull rope, 42-carrying plate, 43-support rod, 44-cross frame rod, 45-pull rod and 46-guide sleeve; 5-winding roller, 51-transmission shaft, 52-angle reducer; 10-a first support plate, 20-a transverse support plate, 30-a transverse rail, 40-a frame body and 50-a rack.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Referring to fig. 4, the invention provides a touch opening and closing type bag releasing mechanism, which comprises a lifting frame body 4, wherein at least two groups of bag receiving assemblies are arranged on the lifting frame body 4; the bag receiving assembly comprises two carrying plates 42 which can be opened or closed; a supporting rod 43 is fixedly arranged at the bottom of the carrying plate 42; the two ends of the supporting rod 43 are respectively connected with the frame body pull rope 41 through the traction assembly;

Referring to fig. 2, the elevator body 4 is provided in a frame body 40; referring to fig. 5, a stopper 35 for receiving the elevator body 4 is disposed at the lowermost portion of the frame body 40;

the frame body pull rope 41 is tensioned, the carrying plates 42 of all the bag receiving assemblies are closed, and the support rods 43 are abutted to the lifting frame body 4; and the lifting frame body 4 is driven to ascend or descend along with the retraction or release of the frame body pull rope 41;

after the lifting frame body 4 is lapped on the stop block 35, the frame body pull rope 41 is continuously released, and the two carrying plates 42 of the bag receiving assembly are opened; thereby causing the material pack to fall.

The pulling assembly comprises a cross frame rod 44 for connecting the frame pulling rope 41, two ends of the cross frame rod 44 are respectively and rotatably connected with a pulling rod 45, and the two pulling rods 45 are respectively and rotatably connected with corresponding support rods 43.

The frame body 40 comprises a plurality of lifting frames which are movably sleeved from top to bottom in sequence. Referring to fig. 3, the lifting frame includes an upper frame 3 and a lower frame 31, which are connected by a support rod 32; referring to fig. 4, the lower frame 31 of the lifting frame positioned at the lowermost layer of the frame 40 is connected with a frame pull rope 34; preferably, the lower frame 31 is rectangular; further, four frame strings 34 are fixed to four corners of the lower frame 31.

The frame body pull rope 34 is retracted to retract the lifting frames of each layer by layer in sequence, and the frame body pull rope 34 is released to put down the lifting frames of each layer by layer in sequence; the height of the frame 40 can be adjusted by controlling the extension and retraction width of the frame cord 34.

Preferably, the outer side of the upper frame 3 is provided with a barrier strip 33;

when the lifting frame is folded, the barrier strip 33 of the lifting frame at the lower layer is abutted against the lower edge of the upper frame 3 of the lifting frame at the upper layer; and lifting the lifting frame against the previous layer until layer-by-layer retraction is realized.

When the lifting frame is released, the barrier strip 33 of the lifting frame positioned at the lower layer is lapped on the upper edge of the lower frame 31 of the lifting frame positioned at the upper layer; realizing the relative lap joint fixation of the two.

The frame body 40 does not need to be integrally lifted in the process of adjusting the height, and does not additionally occupy the vertical space; and the whole frame body 40 has a simple structure, and a transmission mechanism such as a gear and a rack is not needed, so that the whole weight is greatly reduced.

Preferably, the lifting frame body 4 is provided with a guide sleeve 46 movably sleeved with the frame body pull rope 34; in the lifting or falling process of the lifting frame body 4, the guide function is realized by the frame body pull rope 34, and the shaking of the lifting frame body 4 in the lifting process is avoided. The frame pull rope 34 realizes guiding, and no guide rod needs to be additionally arranged, so that the structure is simplified.

The frame stay 34 and the frame stay 41 of the present invention are preferably steel wire ropes; each frame pull rope 34 and each frame pull rope 41 are respectively wound and connected with a winding roller 5;

Furthermore, the winding rollers 5 of the winding frame pull rope 34 are connected through a transmission shaft 51, and an angle reducer 52 is arranged to realize transmission connection of a corner; the synchronous retraction of the frame pull ropes 34 is ensured by the drive of one frame lifting motor.

The two frame body pull ropes 41 of each group of the packaging assembly are respectively wound and connected with a winding roller 5, and the two winding rollers 5 are connected by a transmission shaft 51 and driven by a frame body motor; furthermore, each group of bag connecting assemblies is respectively driven by a frame body motor; in the ascending or descending process of the lifting frame body 4, all frame body motors work synchronously to ensure the stable lifting of the lifting frame body 4; when the lifting frame body 4 is placed on the stop block 35, the frame body pull ropes 41 can be independently loosened by each frame body motor, so that the material bags respectively fall to corresponding positions.

The invention can convey and place at least two bags each time, the frame body motor controls the retraction speed of the frame body pull rope 41, and the material bags can be put down quickly to meet the requirement of loading beat.

Referring to fig. 1, the present invention provides a bag placing apparatus including a traverse support plate 20 slidably disposed on a traverse rail 30; the traverse support plate 20 is further provided with a rotatable frame 40, and with reference to fig. 2, the frame 40 is provided with a lifting bag receiving mechanism for receiving and discharging material bags; a first supporting plate 10 is arranged above the frame body 40, and a split door mechanism for temporarily storing material bags is arranged on the first supporting plate 10;

Referring to fig. 6, a traverse motor is fixedly arranged on the traverse support plate 20, the traverse motor is connected with a gear, and the gear is in transmission connection with a rack 50 to realize the movement of the traverse support plate 20 along the traverse rail 30.

Those skilled in the art may employ a conveyor belt, a conveyor car or other known conveying mechanism to deliver the material packets onto the side-by-side door mechanism in the direction of the cross-track 30. When the lifting bag receiving mechanism is lifted to a preset position, the door opening mechanism is opened, and the material bag falls onto the lifting bag receiving mechanism; then the lifting bag receiving mechanism falls to the bottom to place the material bag on a preset position of the carriage.

The bag placing position is determined by controlling the movement of the traverse support plate 20, and the placing posture of the material bag is adjusted by controlling the rotation angle of the frame body 40.

The frame body 40 is rotatably connected to the traverse support plate 20 through a pivoting support;

further, referring to fig. 8, the slewing bearing of the present invention comprises a rotating body 1, wherein at least three rotating wheels 11 are annularly arranged on the periphery of the rotating body 1; referring to fig. 9, the rotating wheel 11 has a flanging structure, and a clamping groove 111 for clamping the flanging structure is arranged on the rotating wheel 11;

referring to fig. 7, the frame 40, the winding roller 5, the frame motor, and the frame motor are all disposed on the rotor 1, and the rotation angle of the rotor 1 is adjusted to rotate the frame 40.

The flanging structure of the rotating body 1 is tightly attached in the clamping groove 111; the locking groove 111 of the runner 11 is matched with the rotor 1 to complete rotation and simultaneously bears the axial load of the rotor 1. Those skilled in the art can set the number of the runners 11 adaptively according to the size of the load and the size of the specification of the rotor 1; the number of the present invention is 4 to 12, preferably 4, 6, 8 or 10.

The invention adopts the rotor 1 to match with the runner 11 to replace a bearing, thereby obviously reducing the weight of the rotor.

As an embodiment, the rotating body 1 of the present invention is also in transmission connection with a driving wheel 12; preferably, the rotating body 1 is in transmission connection with the driving wheel 12 by adopting a pulling belt 13; the driving wheel 12 is controlled to effect rotation or adjustment of the rotation angle of the rotor 1.

The pulling belt 13 of the present invention is preferably a synchronous belt or a steel wire rope. The pulling belt 13 and the driving wheel 12 are adopted to replace a gear ring and gear structure, so that the invention has a rotating function and the whole weight is further reduced.

Preferably, the pulling belt 13 is fixed to the wheel 11 with a predetermined number of fixing points therebetween.

As an example, the fixed point is one; the driving wheel 12 drives the pulling belt 13 to pull the rotor 1 to rotate through the fixed point. When the fixed point rotates to the point of tangency between the pulling belt 13 and the rotating body 1, the rotation of the rotating body 1 in the direction reaches the limit; likewise, reverse rotation may reach a limit in the other direction; the rotor 1 can be rotated between two extreme positions to any desired angle.

Preferably, the invention is also provided with a tension wheel 14 which is pressed and connected with the pulling belt 13; increasing the stability of the transmission of the driving wheel 12.

Furthermore, two tension wheels 14 are symmetrically distributed on two sides of the connecting line of the central points of the rotating body 1 and the driving wheel 12; the opening between the two tension wheels 14 limits the range of the rotation adjustment angle of the rotor 1. The angular adjustment range of the rotor 1 can be changed by changing the positions of the two tension wheels 14.

As an example, the fixed points are two; the two fixing points define the range of the angle of rotation of the rotor 1.

As an embodiment, the slewing bearing is arranged on the first supporting plate 10; the split door mechanism is arranged on the rotating body 1 of the slewing bearing; referring to fig. 10, the split door mechanism includes two opening and closing components arranged in rotational symmetry; referring to fig. 11, the opening and closing assembly includes a driving swing arm 23 that reciprocates within a predetermined arc length range around a fixed fulcrum; the driving swing arm 23 is rotatably connected with the driving rod 22; the driving rod 22 is rotatably connected with a connecting rod 24;

the connecting rods 24 of the two opening and closing components are respectively fixedly connected with the door bodies 2 with opposite rotation directions; referring to fig. 12, the driving rods 22 of the two opening and closing assemblies simultaneously move in opposite directions, so that the two door bodies 2 are oppositely opened or closed.

Each opening and closing assembly is provided with a plurality of connecting rods 24, and each connecting rod 24 is respectively connected with the door bodies 2 rotating in the same direction; the simultaneous opening or closing of a plurality of groups of door bodies 2 is realized. The door body 2 of the present invention is preferably 2 sets, and each opening and closing assembly has two connecting rods 24.

The driving swing arm 23 rotates along the pivot point thereof, so as to drive the driving rod 22 to move from one position state to another position state, and the connecting rod 24 drives the rotating element to change from one state to another state, such as driving the door body 2 to complete the state switching of opening or closing.

The number of links 24 can be set adaptively according to the number of rotating members to be driven simultaneously.

Preferably, the driving swing arm 23 is connected to a central position of the driving rod 22.

Preferably, the driving swing arm 23 is connected with the opening and closing cylinder 21; the switching of the states is completed quickly. Preferably, the opening and closing cylinder 21 is arranged parallel to the driving rod 22, and occupies no extra space.

The driving rod 22 of the present invention is horizontally arranged, and when the driving swing arm 23 rotates, the driving rod 22 is driven to firstly rise for a certain distance and then fall down. The lifting amplitude is small while the switching of the opening and closing states is finished, and the action can be finished in a narrow space.

The split door mechanism of the present invention is installed in a groove of the rotating body 1, and the rotating body 1 is rotatably provided on the first supporting plate 10. Because the swing amplitude of the opening and closing assembly in the longitudinal direction is small, the total thickness of the whole door opening and closing mechanism can be controlled within a preset value, such as not more than 15cm, and the structure of the whole set of equipment is further compact.

In summary, the invention provides a touch opening and closing type bag releasing mechanism, wherein a bag receiving assembly is arranged on a lifting frame body; the bag receiving assembly comprises two carrying plates which can be opened or closed; the bottom of the carrying plate is fixedly provided with a support rod; two ends of the supporting rod are respectively connected with a frame body pull rope through a traction assembly; the bottommost part of the frame body is provided with a stop block for bearing the lifting frame body. The frame body pull rope is tensioned, and the support rod is abutted against the lifting frame body and drives the lifting frame body to ascend or descend; when the lifting frame body is placed on the stop block: the frame body stay cord continues to be released, the two carrying plates of the bag receiving assembly are opened, and the material bag falls down. The bag receiving assembly can stably convey the material bag in the lifting process, and the material bag is opened to fall down after the material bag reaches the lowest position and touches the stop block. Simple and compact structure, and stable and rapid package placing process. On the premise of ensuring the safety of the package placing action, the package placing efficiency is greatly improved.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (8)

1. A touch opening and closing type bag releasing mechanism is characterized by comprising a lifting frame body arranged in a frame body, wherein at least two groups of bag receiving assemblies are arranged on the lifting frame body; the bag receiving assembly comprises two carrying plates which can be opened or closed; the bottom of the carrying plate is fixedly provided with a support rod; two ends of the support rod are respectively connected with a frame body pull rope through a traction assembly;

a stop block for placing the lifting frame body is arranged at the bottom of the frame body;

when the lifting frame body is separated from the stop block: the frame body pull rope is tensioned, the carrying plates of all the bag receiving assemblies are closed, and the support rods are abutted to the lifting frame body; the frame body pull rope is retracted or released to drive the lifting frame body to ascend or descend;

when the lifting frame body is placed on the stop block: the frame body pull rope is continuously released, and the two carrying plates of the bag receiving assembly are opened.

2. The touch opening-closing type bale releasing mechanism as claimed in claim 1, wherein the pulling assembly comprises a cross bar for connecting the frame pulling rope, two ends of the cross bar are respectively rotatably connected with a pulling rod, and the two pulling rods are respectively rotatably connected with the corresponding supporting rods.

3. The touch-opening-closing type bale-releasing mechanism as claimed in claim 1, wherein the two frame pulling ropes of each bale-assembling component are respectively wound around a winding roller.

4. The touch-opening-closing type bale-releasing mechanism as claimed in claim 3, wherein the two winding rollers of each bale-assembling assembly are connected by a transmission shaft.

5. The touch opening-closing type bale releasing mechanism according to any one of claims 1 to 4, wherein a frame body pull rope is arranged at the bottom of the frame body; the lifting frame body is provided with a guide sleeve movably sleeved with the frame body pull rope.

6. The touch-opening-closing type bale-releasing mechanism as claimed in claim 5, wherein said frame body comprises a plurality of lifting frames movably sleeved from top to bottom. The lifting frame comprises an upper frame and a lower frame which are connected by a support rod; the lower frame of the lifting frame positioned at the lowest layer of the frame body is connected with the frame body pull rope;

the frame body pull rope is retracted to drive the lifting frame at the lowest layer to ascend, and sequentially drive the lifting frames at each layer to retract layer by layer; the lifting frames of each layer can be put down layer by releasing the frame body pull rope.

7. The touch-opening-closing type bale-releasing mechanism according to claim 6, wherein a barrier strip is arranged on the outer side of the upper frame;

when the lifting frame is folded, the barrier strip of the lifting frame positioned on the lower layer is abutted against the lower edge of the upper frame of the lifting frame positioned on the upper layer;

When the lifting frame is released, the barrier strip of the lifting frame positioned on the lower layer is lapped on the upper edge of the lower frame of the lifting frame positioned on the upper layer.

8. The touch-opening-closing type bale-releasing mechanism as claimed in claim 6 or 7, wherein the frame body pull rope and the frame body pull rope are both steel wire ropes.

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