阅读说明：本技术 一种全自动料盒卸垛装置 (Full-automatic magazine destacking device ) 是由 唐书睿 王�华 于 2021-01-29 设计创作，主要内容包括：本发明公开了一种全自动料盒卸垛装置,包括设置在管架一侧的输送轨道,管架上安装有支撑机构、道闸机构、分离机构,支撑机构设置在管架的中部,分离机构设置有一对、且分别设置在支撑机构的两侧,分离机构用以分离两层堆叠在一起的料盒并在分离后一段时间支撑上层料盒,支撑机构用以在两层料盒分离前支撑料盒、并在两层料盒分离后将料盒导入输送轨道上,支撑机构的后端铰接在管架上、前端为活动端,且下降后对接输送轨道,道闸机构与支撑机构联动动作,支撑机构处于水平时道闸机构处于关闸状态挡住料盒,支撑机构前端下降时道闸机构下降为开闸状态,本发明将支撑机构与道闸机构实现联动,使得卸垛更加方便快捷,效率更高。(The invention discloses a full-automatic material box unstacking device, which comprises a conveying track arranged on one side of a pipe frame, wherein a supporting mechanism, a barrier gate mechanism and a separating mechanism are arranged on the pipe frame, the supporting mechanism is arranged in the middle of the pipe frame, the separating mechanism is provided with a pair of parts and respectively arranged on two sides of the supporting mechanism, the separating mechanism is used for separating two layers of piled material boxes and supporting an upper material box after separation for a period of time, the supporting mechanism is used for supporting the material boxes before the two layers of material boxes are separated and guiding the material boxes into the conveying track after the two layers of material boxes are separated, the rear end of the supporting mechanism is hinged on the pipe frame, the front end of the supporting mechanism is a movable end and is butted with the conveying track after descending, the barrier gate mechanism and the supporting mechanism are in linkage action, the barrier gate mechanism is in a gate closing state to block the material boxes when the supporting mechanism is horizontal, the barrier gate mechanism descends to an open state when the front, the destacking is more convenient and faster, and the efficiency is higher.)

1. A full-automatic material box unstacking device is characterized by comprising a conveying track arranged on one side of a pipe frame, wherein a supporting mechanism, a barrier gate mechanism and a separating mechanism are arranged on the pipe frame, and the supporting mechanism and the barrier gate mechanism are matched with each other; the utility model discloses a separation mechanism, including support mechanism, separating mechanism, feed bin, supporting mechanism, separating mechanism, supporting mechanism, and the supporting mechanism sets up the middle part at the pipe support, separating mechanism is provided with a pair ofly, and sets up the both sides at supporting mechanism respectively, separating mechanism is used for separating two-layer pile together's magazine and supports upper material box at a period after the separation, supporting mechanism is used for supporting the magazine before two-layer magazine separation and on the leading-in delivery track of magazine after two-layer magazine separation, supporting mechanism's rear end articulates on the pipe support, and the front end is the expansion end, and descends the back butt joint delivery track, banister mechanism and supporting mechanism linkage action, banister mechanism is in the state of closing.

2. The full-automatic magazine unstacking device according to claim 1, characterized in that the support mechanism comprises a tube frame with a rear end hinged to the tube frame, a support cylinder is arranged on the tube frame below the front end of the tube frame, a piston rod of the support cylinder abuts against the bottom of the front end of the tube frame, a pair of roller guide rails is mounted at the top of the tube frame, the tube frame comprises a rear end rotating tube, a middle connecting tube, a front end swinging tube and two side connecting tubes, the rear end rotating tube is hinged to the tube frame, the bottom of the middle connecting tube is connected with a first balancing weight, two ends of the middle connecting tube penetrate through the two side connecting tubes and extend to form a pair of limiting tubes which are perpendicular to the middle connecting tube.

3. The full-automatic magazine unstacking device according to claim 2, characterized in that a pushing pipe is connected to the middle of the rear rotating pipe, the pushing pipe is used for rotating along with the rotation of the pipe frame and pushing the magazine on the roller guide rail, and a pair of limiting buffer cylinders are arranged on two sides of the supporting cylinder.

4. The full-automatic magazine unstacking device according to claim 2, characterized in that the barrier gate mechanism comprises an L-shaped gate tube and a linkage tube, wherein one side of the tube frame is connected with a side support tube, the rear end of the side support tube is fixedly connected with one end of a middle connecting tube, the middle part of the side support tube is connected with one end of a front end swing tube, the L-shaped gate tube is hinged at the front end of the side support tube, and the linkage tube is arranged outside the side support tube;

the L-shaped brake pipe comprises a long pipe part and a short pipe part, the long pipe part is used for blocking the material box, and the short pipe part is hinged to the front end of the side supporting pipe;

the linkage pipe fitting comprises a first pipe section, a second pipe section and a third pipe section, the second pipe section is horizontally and rotatably arranged on the pipe frame, the middle part of the first pipe section is fixed at one end of the second pipe section, the upper end of the third pipe section is fixed at the other end of the second pipe section, one end of the first pipe section extends into the lower part of the side supporting pipe and is jointed at the bottom of the side supporting pipe, the other end of the first pipe section is connected with a second balancing weight, a first lifting lug is arranged on one side of the lower end of the third pipe section close to the L-shaped brake pipe, a second lifting lug is arranged on one side of the short pipe section, the first lifting lug is connected with the second lifting lug through a rod piece, and a third balancing weight is arranged on one side of the lower end of the third pipe section, which is far away from the L-shaped brake pipe, the first pipe section is horizontal when the pipe frame is horizontal, the third pipe section is vertical, the rod piece is in a tensioning state at the moment, and the rod piece is in a loose state when the front end of the pipe frame descends.

5. The full-automatic material box unstacking device according to any one of claims 1-4, wherein the separating mechanism comprises a jacking assembly and a guide assembly which are matched with each other, the jacking assembly comprises a supporting plate fixed on the pipe frame, a jacking cylinder is mounted on the supporting plate, a lifting plate is connected with the end part of a piston rod of the jacking cylinder, a pair of supporting seats are mounted on the lifting plate, an L-shaped clamping plate is hinged to the top of each supporting seat, the vertical part of the L-shaped clamping plate is hinged in the supporting seat, one end of the horizontal part of the L-shaped clamping plate is abutted to the side edge of the material box through rotation, a guide wheel is arranged at the joint of the vertical part and the horizontal part, the guide assembly comprises a guide frame mounted on the pipe frame, the front surface of the guide frame is processed into an inclined surface and a vertical surface which are matched, the inclined surface is arranged below, and the guide wheel drives the horizontal part to move close to the material box when rolling on the lower net along the front surface of the guide frame.

6. The fully automatic magazine unstacking apparatus as set forth in claim 5 wherein the rear end of the horizontal section is inclined downwardly as the guide wheel moves to the vertical plane.

Technical Field

The invention relates to an unstacking device, in particular to a material box unstacking device.

Background

With the progress of modern industrial revolution, the realization of automatic flow line production of products is a necessary trend. In the packaging process of food, medicine or electronic products and the like, a stacking and unstacking device for packaging boxes is a common mechanical device; during destacking, the stacked packing material boxes need to be separated one by one and then conveyed, and the stacked packing material boxes are generally conveyed layer by layer manually in the prior art, so that the defects of high labor cost and low efficiency are overcome.

Disclosure of Invention

The invention aims to provide a full-automatic material box unstacking device, which improves the automation degree of unstacking, and enables the unstacking to be more convenient and faster and the efficiency to be higher.

The purpose of the invention is realized as follows: a full-automatic material box unstacking device comprises a conveying track arranged on one side of a pipe frame, wherein a supporting mechanism, a barrier gate mechanism and a separating mechanism are arranged on the pipe frame, and the supporting mechanism and the barrier gate mechanism are matched with each other to work; the utility model discloses a separation mechanism, including support mechanism, separating mechanism, feed bin, supporting mechanism, separating mechanism, supporting mechanism, and the supporting mechanism sets up the middle part at the pipe support, separating mechanism is provided with a pair ofly, and sets up the both sides at supporting mechanism respectively, separating mechanism is used for separating two-layer pile together's magazine and supports upper material box at a period after the separation, supporting mechanism is used for supporting the magazine before two-layer magazine separation and on the leading-in delivery track of magazine after two-layer magazine separation, supporting mechanism's rear end articulates on the pipe support, and the front end is the expansion end, and descends the back butt joint delivery track, banister mechanism and supporting mechanism linkage action, banister mechanism is in the state of closing.

When the full-automatic unstacking machine works, the stacked material boxes are placed on the supporting mechanism by the manipulator, the separating mechanism is controlled to work when unstacking is carried out, the separating mechanism jacks up a layer of material boxes on the bottom layer of material boxes to separate the material boxes from the bottom layer of material boxes and support the layer of material boxes, then the supporting mechanism is controlled to rotate to enable the material boxes to be in butt joint with the conveying track, meanwhile, the barrier gate mechanism linked with the separating mechanism is opened, the material boxes on the bottom layer slide to the conveying track from the supporting mechanism under the action of gravity, unstacking is realized, after the unstacking of the current material boxes is finished, the supporting mechanism is controlled to reset, the separating mechanism is controlled to descend, the material boxes on the upper layer are placed on the supporting mechanism again to wait for the next unstacking, and the full-automatic unstacking is. Compared with the prior art, the invention has the beneficial effects that: according to the invention, the supporting mechanism and the barrier gate mechanism are linked, so that the barrier gate can be automatically opened while the supporting mechanism rotates to unload materials, full-automatic destacking can be realized by matching with the upper separation mechanism, the automation degree is improved, destacking is more convenient and faster, and the efficiency is higher.

As a further limitation of the invention, the supporting mechanism comprises a pipe frame with the rear end hinged on the pipe frame, a supporting cylinder is arranged on the pipe frame below the front end of the pipe frame, a piston rod of the supporting cylinder is abutted against the bottom of the front end of the pipe frame, a pair of roller guide rails is mounted at the top of the pipe frame, the pipe frame comprises a rear end rotating pipe, a middle connecting pipe, a front end swinging pipe and two side connecting pipes, the rear end rotating pipe is hinged on the pipe frame, the bottom of the middle connecting pipe is connected with a first balancing weight, and two ends of the middle connecting pipe penetrate through the two side connecting pipes and are fixedly connected with a pair of limiting pipes perpendicular to the middle connecting pipe after extending.

When the destacking starts, the piston rod retracts through the supporting cylinder, the front end swing pipe descends under the self gravity of the pipe frame and the gravity of the material box, the pipe frame rotates around the rear end rotation pipe, and the material box on the roller guide rail slides into the conveying track under the action of the gravity to complete destacking; after destacking is finished, controlling the supporting cylinder to extend out of the piston rod, jacking the front end swing pipe to enable the pipe frame to be horizontal, and then placing the material box on the upper layer on the supporting mechanism through the separating mechanism; the design of the pipe frame is realized through the structure of the circular pipe, and the pipe frame is simple in structure, convenient to manufacture and low in cost; the rotation of the pipe frame is more flexible and efficient through the supporting cylinder, and the material box slides more smoothly during unstacking due to the design of the roller guide rail; the first balancing weight is arranged at the bottom of the middle connecting pipe, so that the rotation of the pipe frame is more reliable; the design of the limiting pipe enables the material box not to shift left and right during unstacking.

As a further limitation of the invention, a pushing pipe is connected to the middle of the rear end rotating pipe, the pushing pipe is used for rotating along with the pipe frame and pushing the material box on the roller guide rail when the pipe frame rotates, and a pair of limiting buffer cylinders are arranged on two sides of the supporting cylinder. The magazine probably leads to sliding away from the roller guide rail smooth and easy inadequately because of frictional force in the actual operation process, through the well installation propelling movement pipe in rear end rotating tube for the pipe frame when the pivoted, the propelling movement pipe accessible rotates and promotes the magazine, guarantees that it slides away from the roller guide rail smoothly, simultaneously in order to guarantee that roller guide rail and delivery track can accurately align, guarantees the smoothness nature of destacking through designing spacing buffer cylinder.

As a further limitation of the present invention, the barrier gate mechanism includes an L-shaped gate tube and a linkage tube, one side of the tube frame is connected with a side support tube, a rear end of the side support tube is fixedly connected to one end of the middle connection tube, a middle portion of the side support tube is connected to one end of the front end swing tube, the L-shaped gate tube is hinged to a front end of the side support tube, and the linkage tube is disposed outside the side support tube; the L-shaped brake pipe comprises a long pipe part and a short pipe part, the long pipe part is used for blocking the material box, and the short pipe part is hinged to the front end of the side supporting pipe; the linkage pipe fitting comprises a first pipe section, a second pipe section and a third pipe section, the second pipe section is horizontally and rotatably arranged on the pipe frame, the middle part of the first pipe section is fixed at one end of the second pipe section, the upper end of the third pipe section is fixed at the other end of the second pipe section, one end of the first pipe section extends into the lower part of the side supporting pipe and is jointed at the bottom of the side supporting pipe, the other end of the first pipe section is connected with a second balancing weight, a first lifting lug is arranged on one side of the lower end of the third pipe section close to the L-shaped brake pipe, a second lifting lug is arranged on one side of the short pipe section, the first lifting lug is connected with the second lifting lug through a rod piece, and a third balancing weight is arranged on one side of the lower end of the third pipe section, which is far away from the L-shaped brake pipe, the first pipe section is horizontal when the pipe frame is horizontal, the third pipe section is vertical, the rod piece is in a tensioning state at the moment, and the rod piece is in a loose state when the front end of the pipe frame descends.

When the barrier gate mechanism works, in an initial state, the long pipe part of the L-shaped gate pipe blocks an unstacking path of the material box, when the swing pipe at the front end descends, the L-shaped gate pipe is firstly driven to integrally descend, but the unstacking path is still blocked, meanwhile, the rotation of the pipe frame drives the side supporting pipe to press down the first pipe section, the first pipe section rotates to drive the third pipe section to rotate through the second pipe section, the self weight of the long pipe part is matched through the connection relation of the rod pieces between the third pipe section and the L-shaped gate pipe, so that the L-shaped gate pipe rotates, the gate is opened, when the swing pipe at the front end ascends, the first pipe section and the third pipe section reset under the action of the second balancing weight and the third balancing weight, and the gate is closed through matching with the L-shaped gate pipe; the specific principle is as follows: when L shape floodgate pipe followed the decline of collateral branch stay tube, the distance between first lug and the second lug shortens relatively, and because the rotation of third pipeline section, the angle between first lug and the second lug takes place the transform, and the arm of force of rod does benefit to more and acts on the stub pipe portion for the rod promotes the stub pipe portion and rotates around the collateral branch stay tube, thereby drives the realization of long tube portion and opens floodgate. According to the invention, the opening and closing are realized by the descending of the pipe frame and the combined action of the linkage pipe fittings, the resetting is convenient, the opening and closing are realized by the cooperation of a mechanical structure in the whole process, and the process is reliable and stable.

As a further limitation of the present invention, the detaching mechanism includes a jacking assembly and a guiding assembly that cooperate with each other, the jacking assembly comprises a supporting plate fixed on the pipe frame, a jacking cylinder is arranged on the supporting plate, the end part of a piston rod of the jacking cylinder is connected with a lifting plate, the lifting plate is provided with a pair of supporting seats, the tops of the two supporting seats are respectively hinged with an L-shaped clamping plate, the vertical part of the L-shaped clamping plate is hinged in the supporting seat, one end of the horizontal part of the L-shaped clamping plate is used for abutting against the side edge of the material box through rotation, a guide wheel is arranged at the joint of the vertical part and the horizontal part, the guide assembly comprises a guide frame arranged on the pipe frame, the front surface of the guide frame is processed into an inclined surface and a vertical surface which are matched with the guide wheel, the vertical surface is arranged above the guide wheel, the inclined surface is arranged below the guide wheel, and the guide wheel drives the horizontal part to move close to the material box when rolling from the lower net along the front surface of the guide frame.

The during separation work, the action of jacking cylinder piston rod, through the lifter plate, the supporting seat drives L shaped clamping plate and rises, cooperation through guide pulley and guide frame makes L shaped clamping plate at the in-process internal rotation that rises, thereby make the horizontal part laminating of L shaped clamping plate finally contradict at the top side edge of magazine at the lateral part of magazine, continue to rise, with the magazine and the separation of bottom magazine on upper strata, hold upper material box under the effect of guide frame, treat that the bottom magazine sees off the back, control jacking cylinder piston rod withdrawal, treat that the magazine falls into supporting mechanism after, L shaped clamping plate breaks away from the magazine both sides, the operation of destacking of next time carries out again. The invention realizes the plug-in ejection of the material box by the L-shaped clamping plate through the matching of the guide wheel and the guide frame, and the design ensures that the material box is more flexibly, conveniently and reliably separated.

As a further limitation of the present invention, when the runner moves to the vertical plane, the rear end of the horizontal part is inclined upward. In the actual operation process, when the L-shaped clamping plate drives the material box to descend to the supporting mechanism, the L-shaped clamping plate is not easy to separate from the material box, and therefore the horizontal part is arranged in an inclined mode, so that the L-shaped clamping plate can be easily separated from two sides of the material box under the action of gravity of the guide wheel and the inclined design.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a supporting mechanism and a barrier mechanism according to the present invention.

Fig. 3 is a schematic perspective view of a supporting mechanism and a barrier mechanism according to the present invention.

FIG. 4 is a schematic side view of the supporting mechanism and the barrier mechanism of the present invention.

FIG. 5 is a schematic front view of the supporting mechanism and the barrier mechanism of the present invention.

FIG. 6 is a schematic view of a tube frame structure according to the present invention.

FIG. 7 is a schematic view of the structure of the L-shaped brake pipe and the linkage pipe in the present invention.

FIG. 8 is a schematic view of the separating mechanism and the magazine of the present invention.

Fig. 9 is a schematic perspective view of the separating mechanism of the present invention.

FIG. 10 is a schematic view of the structure of the magazine of the present invention.

The device comprises a pipe frame 1, a conveying track 2, a supporting mechanism 3, a pipe frame 31, a rotating pipe 311 at the rear end, a connecting pipe 312 in the middle, a swinging pipe 313 at the front end, a connecting pipe 314 at the side, a first balancing weight 315, a limiting pipe 316, a pushing pipe 317, a supporting cylinder 32, a roller guide rail 33, a limiting buffer cylinder 34, a gate mechanism 4, a gate pipe 41L, a second lifting lug 411, a linkage pipe 42, a first pipe 421, a second pipe 422, a third pipe 423, a second balancing weight 424, a third balancing weight 425, a first lifting lug 426, a side supporting pipe 43, a rod 44, a separating mechanism 5, a lifting assembly 51, a supporting plate 511, a lifting cylinder 512, a lifting plate 513, a supporting seat 514, a clamping plate 515L, a guide wheel 516, a guide assembly 52, a guide frame 521, a vertical surface 522, a 523 inclined surface, a side edge 6 magazine and 61.

Detailed Description

The full-automatic material box unstacking device shown in the figure 1 comprises a conveying track 2 arranged on one side of a pipe frame 1, wherein a supporting mechanism 3, a barrier gate mechanism 4 and a separating mechanism 5 are arranged on the pipe frame 1, and the supporting mechanism 3 and the barrier gate mechanism 4 are matched with each other; the supporting mechanism 3 is arranged in the middle of the pipe support 1, the separating mechanism 5 is provided with a pair of separating mechanisms and respectively arranged on two sides of the supporting mechanism 3, the separating mechanism 5 is used for separating two layers of piled material boxes 6 and supporting the upper material box 6 after separation for a period of time, the supporting mechanism 3 is used for supporting the material boxes 6 before the two layers of material boxes 6 are separated and guiding the material boxes 6 into the conveying track 2 after the two layers of material boxes 6 are separated, the rear end of the supporting mechanism 3 is hinged to the pipe support 1, the front end of the supporting mechanism 3 is a movable end and is in butt joint with the conveying track 2 after descending, the barrier gate mechanism 4 and the supporting mechanism 3 are in linkage action, the barrier gate mechanism 4 is in a gate closing state to block the material boxes 6 when the supporting mechanism 3 is horizontal, and the barrier gate mechanism 4 descends to be in.

As shown in fig. 2-7, the supporting mechanism 3 includes a pipe frame 31 whose rear end is hinged on the pipe frame 1, a supporting cylinder 32 is disposed on the pipe frame 1 below the front end of the pipe frame 31, a piston rod of the supporting cylinder 32 is abutted against the bottom of the front end of the pipe frame 31, a pair of roller guide rails 33 is mounted on the top of the pipe frame 31, the pipe frame 31 includes a rear end rotating pipe 311 and a middle connecting pipe 312, the device comprises a front end swinging pipe 313 and two side connecting pipes 314, a rear end rotating pipe 311 is hinged on the pipe frame 1, the bottom of a middle connecting pipe 312 is connected with a first balancing weight 315, two ends of the middle connecting pipe 312 penetrate through the two side connecting pipes 314 and are fixedly connected with a pair of limiting pipes 316 perpendicular to the middle connecting pipe 312 after being extended, the middle part of the rear end rotating pipe 311 is connected with a pushing pipe 317, the pushing pipe 317 is used for rotating along with the pipe frame 31 and pushing a material box 6 on a roller guide rail 33, and a pair of limiting buffer cylinders 34 are arranged on two sides of a supporting cylinder 32;

the barrier gate mechanism 4 comprises an L-shaped gate pipe 41 and a linkage pipe fitting 42, one side of the pipe frame 31 is connected with a side support pipe 43, the rear end of the side support pipe 43 is fixedly connected with one end of the middle connecting pipe 312, the middle part of the side support pipe 43 is connected with one end of the front end swinging pipe 313, the L-shaped gate pipe 41 is hinged at the front end of the side support pipe 43, and the linkage pipe fitting 42 is arranged outside the side support pipe 43; the L-shaped brake pipe 41 comprises a long pipe part and a short pipe part, the long pipe part is used for blocking the material box 6, and the short pipe part is hinged at the front end of the side supporting pipe 43; the linkage pipe fitting 42 comprises a first pipe section 421, a second pipe section 422 and a third pipe section 423, the second pipe section 422 is horizontally and rotatably mounted on the pipe frame 1, the middle part of the first pipe section 421 is fixed at one end of the second pipe section 422, the upper end of the third pipe section 423 is fixed at the other end of the second pipe section 422, one end of the first pipe section 421 extends into the lower part of the side support pipe 43 and is attached to the bottom of the side support pipe 43, the other end of the first pipe section 421 is connected with a second balancing weight 424, one side of the lower end of the third pipe section 423, which is close to the L-shaped brake pipe 41, is provided with a first lifting lug 426, one side of the short pipe section is provided with a second lifting lug 411, the first lifting lug 426 is connected with the second lifting lug 411 through a rod 44, one side of the lower end of the third pipe section 423, which is far away from the L-shaped brake pipe 41, is provided with a third balancing weight 425, when the pipe frame 31, the rod 44 is in a loose state when the front end of the tube frame 31 descends, and the short tube part of the L-shaped brake tube 41 is divided into two parts in the embodiment and is sleeved on the front end of the side support tube 43.

As shown in fig. 8-10, the separating mechanism 5 includes a jacking assembly 51 and a guiding assembly 52, which are matched with each other, the jacking assembly 51 includes a supporting plate 511 fixed on the pipe frame 1, a jacking cylinder 512 is installed on the supporting plate 511, a lifting plate 513 is connected to an end of a piston rod of the jacking cylinder 512, a pair of supporting seats 514 is installed on the lifting plate 513, an L-shaped clamping plate 515 is hinged to a top of each supporting seat 514, a vertical portion of the L-shaped clamping plate 515 is hinged in the supporting seat 514, one end of a horizontal portion of the L-shaped clamping plate 515 is abutted to the side edge 61 of the material box 6 through rotation, a guide wheel 516 is arranged at a joint of the vertical portion and the horizontal portion, the guiding assembly 52 includes a guiding frame 521 installed on the pipe frame 1, a front surface of the guiding frame 521 is processed to match with an inclined surface 523 and a vertical surface 522 of the guide wheel 516, the vertical surface 522 is on top, the inclined, as runner 516 moves to vertical surface 522, the rear end of the horizontal portion is tilted downward.

When the automatic feeding device works, the stacked material boxes 6 are grabbed by the manipulator and placed on the roller guide rail 33; when the stack is unstacked, the piston rod of the jacking cylinder 512 is controlled to act, the L-shaped clamping plate 515 is driven to ascend through the lifting plate 513 and the supporting seat 514, the L-shaped clamping plate 515 rotates inwards in the ascending process through the matching of the guide wheel 516 and the guide frame 521, so that the horizontal part of the L-shaped clamping plate 515 is attached to the side part of the material box 6 and finally props against the side edge 61 of the top of the material box 6, the material box 6 on the upper layer is separated from the material box 6 on the bottom layer, and the material box 6 on the upper layer is supported under the action of the guide frame 521; the piston rod is retracted through the supporting cylinder 32, the front end swing pipe 313 of the pipe frame 31 descends under the self gravity and the gravity of the material box 6 and rotates around the rear end rotating pipe 311, the L-shaped brake pipe 41 is unlocked under the combined action of the linkage pipe fitting 42 and the pipe frame 31, and meanwhile, the push pipe 317 pushes the material box 6 to move outwards in coordination with the gravity of the material box 6 and slide into the conveying track 2, so that destacking is completed; after destacking is completed, the supporting cylinder 32 is controlled to extend out of the piston rod to jack up the front swing pipe 313, so that the pipe frame 31 is horizontal, meanwhile, the L-shaped brake pipe 41 closes the brake under the combined action of the linkage pipe fitting 42 and the pipe frame 31, the piston rod of the jacking cylinder 512 is controlled to retract, after the material box 6 falls onto the supporting mechanism 3, the L-shaped clamping plates 515 are separated from the two sides of the material box 6, and next destacking operation is performed.

The matching principle of the L-shaped brake pipe 41 and the linkage pipe fitting 42 is as follows: when L shape brake pipe 41 descends along with collateral branch stay tube 43, the distance between first lug 426 and the second lug 411 shortens relatively, and because the rotation of third pipeline section 423, the angle between first lug 426 and the second lug 411 changes, and the arm of force of member 44 does benefit to more and is used in the short tube portion for member 44 promotes the short tube portion and rotates around collateral branch stay tube 43, thereby drives the long tube portion and realizes opening floodgate. According to the invention, the opening and closing are realized by the descending of the pipe frame 31 and the combined action of the linkage pipe fitting 42, the resetting is convenient, the opening and closing are realized by the cooperation of a mechanical structure in the whole process, and the process is reliable and stable.

According to the invention, the support mechanism 3 and the barrier gate mechanism 4 are linked, so that the barrier gate can be automatically opened while the support mechanism 3 rotates to unload materials, full-automatic destacking can be realized by matching with the upper separation mechanism 5, the automation degree is improved, destacking is more convenient and rapid, the efficiency is higher, the whole structure of the invention is assembled by matching lean pipes with connecting pieces, the cost is low, the structure is simple, and the gate opening and closing are realized by mechanical structure linkage, so that the invention is more reliable and stable.

The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.