WO2023272984A1

WO2023272984A1 - Unpacking machine

Info

Publication number: WO2023272984A1
Application number: PCT/CN2021/121128
Authority: WO
Inventors: 魏世伟; 沈长鹏; 张小艺
Original assignee: 兰剑智能科技股份有限公司
Priority date: 2021-06-30
Filing date: 2021-09-28
Publication date: 2023-01-05
Also published as: CN113264252B; CN113264252A

Abstract

An unpacking machine. The unpacking machine comprises a box body (1). The box body (1) is internally provided with a middle seam unpacking unit and a side seam unpacking unit. The middle seam unpacking unit comprises a first lower module (2), a first upper module (3) and a first lifting mechanism, and the side seam unpacking unit comprises a second lower module (4), a second upper module (5) and a second lifting mechanism. The first lower module (2) comprises a first conveying device, the first conveying device comprising a main frame body, wherein vertical plates (2113) are respectively arranged on a left side and a right side of the main frame body, the vertical plates (2113) are fixedly connected to the main frame body by means of first guide rods (2114), centering clamp plates (2118) are slidably arranged on the first guide rods (2114), and the centering clamp plates (2118) move towards or away from each other under the action of a second driving part. The first upper module (3) comprises a first cutting device (32) for cutting a middle seam (61). The second lower module (4) comprises a reversing device (42), and a third conveying device having the same structure as the first conveying device. The second upper module (5) comprises two second cutting devices (52) for cutting a side seam (62). The unpacking machine can replace manual labor to achieve automatic unpacking.

Description

an unpacking machine

technical field

The invention relates to the technical field of logistics equipment, in particular to an unpacking machine.

Background technique

With the continuous development and application of artificial intelligence and industry 4.0 in China, warehousing automation has become a measure for large-scale factories to save circulation costs, reduce costs, and improve economic and social benefits. Automatic warehousing automation equipment includes distribution walls and sorting cabinets. , volume and weight measuring instrument, robotic arm, AGV, elevator, etc., after the development of the past few years, they have become relatively mature and standardized models. However, when the prevalence of automatic warehousing continues to save labor costs and bring economic benefits for major enterprises, there is still a period of intensive manual work in the automatic warehousing system, that is, when the system receives the requirements from various demand systems, It is necessary to manually unpack and take out materials one by one at the designated operation position, which is not only cumbersome and inefficient, but also increases the cost of employment and hinders the advancement of unmanned warehouse management.

Contents of the invention

In view of the above problems, the present invention provides an unpacking machine, which can replace manual work and realize automatic unpacking.

The technical scheme that the present invention solves its technical problem to take is:

An unpacking machine, comprising a box body, and the box body includes a center seam unpacking unit;

The center seam unpacking unit includes a first lower module and a first upper module slidingly connected with the box body, and the box body is provided with a first lifting mechanism for driving the first upper module to move up and down;

The first lower module includes a first conveying device for conveying cartons forward, and the first conveying device includes a first feeding frame and a first conveying assembly;

The first feeding frame includes a main frame body, and the first conveying assembly is arranged on the main frame body;

The first upper module includes a second conveying device and a first cutting device for cutting the middle seam, the second conveying device includes a second feeding rack, and the first cutting device is arranged on the first cutting device Second feeding rack

Further, the left and right sides of the main frame body are respectively provided with vertical plates under the first transmission assembly, and the vertical plates are fixedly connected with the main frame body through the first guide rod, and the first guide rod A centering splint is slidably arranged on the bar, a clamping pulley is arranged on the vertical plate, a clamping belt is arranged between the two clamping pulleys, and the centering splint passes through the clamping plate It is fixedly connected with the clamping belt, and a second driving part is arranged between one of the centering splints and the first feed frame, and under the action of the second driving part, the two centering splints The splints move toward each other or back;

Further, the box body also includes a side seam box opening unit, the side seam box opening unit includes a second lower module and a second upper module slidably connected with the box body, and the box body is provided with a a second lifting mechanism that drives the second upper module to move up and down;

The second lower module includes a third conveying device with the same structure as the first conveying device; the front end of the third conveying device is provided with a reversing device;

The reversing device includes a lifting plate, and the lifting plate is slidably connected with the third conveying device through a third guide rod, and a device for A fourth driving component that drives the lifting plate to move up and down, and a turntable is arranged on the lifting plate;

The second upper module includes a fourth conveying device and two second cutting devices for cutting side seams, the fourth conveying device includes a fourth feeding rack, and the two second cutting devices are symmetrical It is arranged at the rear end of the fourth rack.

Further, the first cutting device has the same structure as the second cutting device, and the second cutting device is arranged obliquely;

The first cutting device includes a cutting cylinder and a mounting block from top to bottom, the mounting block is provided with a first roller, and the two ends of the mounting block are connected to the piston rod end of the cutting cylinder through a spring rod. The plate is connected, and the piston rod end plate is provided with a knife seat for installing a blade, and in a free state, the blade retracts above the first roller.

Further, the installation block is provided with a guard, and the first roller is located in the enclosed area formed by the guard and the installation block.

Further, the second feeding frame and the fourth feeding frame are respectively provided with a first contact type rebound detection device and a second contact type rebound detection device with the same structure;

The first contact bounce detection device includes a mounting bracket, the upper and lower sides of the mounting bracket are respectively provided with a detection piece and a roller bracket, and the second roller is arranged on the roller bracket, and the detection piece passes through The telescopic rod is connected to the roller bracket, and the mounting bracket is provided with a sliding sleeve matched with the telescopic rod, and a device is provided between the telescopic rod and the sliding sleeve to prevent the telescopic rod from moving relative to the A spring for the sliding sleeve to move upwards, and the mounting bracket is located on one side of the detection piece to be provided with a first photoelectric switch that cooperates with the detection piece.

Further, a second photoelectric switch is arranged above the first photoelectric switch on the installation bracket.

Further, the first conveying device is provided with a positioning device, and the positioning device includes a positioning cylinder provided on the main frame body of the first feeding rack, and a positioning cylinder is provided on the piston rod of the positioning cylinder. plate.

Further, the structure of the second feeding rack is the same as that of the first feeding rack and arranged symmetrically, and the lower end of the main frame body of the second feeding rack is provided with a second transmission assembly;

The structure of the fourth conveying device is the same as that of the second conveying device.

Further, the inner side of the riser is provided with a sliding installation plate which is slidably connected with the first guide rod, the clamping pulley is arranged on the sliding installation plate, and the vertical plate and the sliding Tension rods are arranged between the mounting plates.

Further, roller fluent strips are provided on the inner side of the centering splint.

Further, the main frame body includes a first frame, and the first frame includes two longitudinal beams and a cross beam for connecting the two longitudinal beams, and one side of the first frame is provided with four The second frame formed by connecting the two side plates in turn, and the left side plate and the right side plate of the second frame are fixedly connected with the longitudinal beam through the connecting plate respectively, and the first guide rod is arranged on On the second frame, the first transmission assembly and the second transmission assembly include a driven pulley and a driving pulley arranged at both ends of the longitudinal beam, and the driving pulley and the driven pulley A conveyor belt is arranged between them, and a first driving part for driving the driving pulley to rotate is arranged on the main frame body.

The beneficial effects of the present invention are:

1. The unpacking machine can realize the automatic unpacking of multi-size corrugated cartons, replacing the traditional manual unpacking method, which can not only effectively improve work efficiency, but also reduce labor costs and promote unmanned warehouse management. develop.

2. The device can complete the unpacking of a corrugated box in 9 seconds, and is compatible with corrugated boxes with "I" seals of different lengths, widths and heights, and has good versatility.

3. By setting the first contact rebound detection device for measuring the height of the carton on the first upper module and the second upper module, it can effectively ensure that the conveying surface of the first upper module and the second upper module are completely attached to the carton. Under the premise of matching, avoid the excessive drop of the first upper module and the second upper module due to the error of the upper computer data or the laser ranging data, which will cause the materials in the carton to be crushed.

4. The first cutting device in this equipment adopts a spring-loaded protective cover design, which can prevent people from accidentally touching the blade and causing personal injury.

5. The parts of the first positioning plate and the second positioning plate in this equipment that are in contact with the carton are equipped with roller fluent strips, which can effectively reduce the friction coefficient between the first positioning plate and the second positioning plate and the carton, and avoid the carton The surface is damaged by friction, and at the same time, it reduces the resistance when the carton is opened in the middle seam and side seam, and reduces the power consumption of the equipment.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of unpacking machine;

Fig. 2 is a three-dimensional structural schematic diagram of the unpacking machine after the external box is removed;

Fig. 3 is a schematic diagram of the three-dimensional structure of the first lower module;

Fig. 4 is the schematic diagram of the enlarged structure of part A in Fig. 3;

Fig. 5 is the enlarged structural schematic diagram of part B in Fig. 3;

Fig. 6 is a schematic diagram of an enlarged structure of part C in Fig. 3;

Fig. 7 is a three-dimensional structural schematic diagram of a roller fluent strip;

Fig. 8 is a schematic diagram of the connection relationship between the main frame body, the riser and the first guide rod;

Fig. 9 is a three-dimensional structural schematic diagram 1 of the first upper module;

Fig. 10 is a schematic diagram of an enlarged structure of part D in Fig. 9;

Fig. 11 is a schematic diagram of the three-dimensional structure of the first cutting device;

Fig. 12 is a schematic diagram of the three-dimensional structure of the first contact bounce detection device;

Fig. 13 is a schematic diagram 2 of the three-dimensional structure of the first upper module;

Fig. 14 is a schematic diagram of the three-dimensional structure of the second lower module;

Fig. 15 is a three-dimensional structural schematic diagram II of the second lower module;

Fig. 16 is a schematic diagram of an enlarged structure of part E in Fig. 15;

Figure 17 is a schematic diagram of the installation structure of the start turntable;

Fig. 18 is a schematic diagram of the three-dimensional structure of the second upper module;

Fig. 19 is a schematic diagram of an enlarged structure of part F in Fig. 18;

Fig. 20 is a three-dimensional structural schematic diagram II of the second lower module;

Fig. 21 is a schematic diagram of an enlarged structure of part G in Fig. 20;

Fig. 22 is a schematic perspective view of the first lifting mechanism and the second lifting mechanism.

In the figure: 1-box, 111-the second guide sleeve, 112-the first lifting electric cylinder, 113-the first balance cylinder, 121-the fourth guide sleeve, 122-the second lifting electric cylinder, 123-the second balance cylinder,

2-first lower module, 2111-first frame, 2112-second frame, 2113-riser, 2114-first guide bar, 2115-clamping pulley, 2116-clamping belt, 2117-sliding mounting plate, 2118-centering splint, 21181-clamping plate, 21182-roller fluent strip, 2119-clamping cylinder, 2121-driven pulley, 2122-driving pulley, 2123-conveyor belt, 2124-commutator, 2125- Drive motor, 213-first base plate, 22-positioning device, 221-positioning cylinder, 222-positioning plate,

3-the first upper module, 313-the first lifting plate, 3131-the second guide rod, 32-the first cutting device, 321-cutting cylinder, 322-installation block, 323-the first roller, 324-spring rod, 325 -fixed seat, 326-knife seat, 327-blade, 328-guard frame, 33-first contact rebound detection device, 3311-horizontal plate, 3312-first vertical plate, 3313-second vertical plate, 332-the first A photoelectric switch, 333-detection sheet, 334-roller bracket, 335-second roller, 3361-telescopic rod, 3362-sliding sleeve, 337-second photoelectric switch,

4-second lower module, 413-second base plate, 42-reversing device, 421-lifting plate, 422-third guide rod, 423-third guide sleeve, 424-jacking cylinder, 425-turntable,

5-the second upper module, 513-the second lifting plate, 5131-the fourth guide rod, 52-the second cutting device, 53-the second contact rebound detection device,

6-carton, 61-middle seam, 62-side seam.

detailed description

For the convenience of description, the coordinate system is defined as shown in Figure 1, and the left and right directions are horizontal, the front and rear directions are vertical, and the up and down directions are vertical.

As shown in FIG. 1 and FIG. 2 , an unpacking machine includes a box body 1 , and the box body 1 includes a frame welded by section bars and side plates fixedly arranged on the frame. The front side wall and the rear side wall of the box body 1 are respectively provided with a material inlet and a material outlet.

The box body 1 is provided with two stations along the conveying direction of the carton 6, which are the center seam 61 unpacking unit and the side seam 62 unpacking unit in sequence. The center slot 61 unpacking unit includes the first lifting mechanism, the first upper module 3 and the first lower module 2 sequentially from top to bottom. The side seam 62 unpacking unit includes the second lifting mechanism, the second upper module 5 and the second lower module 4 sequentially from top to bottom.

The first lower module 2 includes a first conveying device and a positioning device 22 . The first conveying device includes a first feeding rack and a first conveying assembly arranged on the first feeding rack.

As shown in FIG. 8 , the first feeding frame includes a main frame body, and the main frame body includes a first frame 2111 and a second frame 2112 sequentially from top to bottom. The first frame 2111 includes two longitudinal beams extending longitudinally, a cross beam extending transversely is arranged between the two longitudinal beams in the middle of the longitudinal beams, and the two ends of the cross beams are respectively connected to The longitudinal beams are fixedly connected. The beams and longitudinal beams together form an I-shaped first frame 2111 . The bottom of the first frame 2111 is provided with a square second frame 2112 formed by connecting four side panels in sequence, and the left side panel and the right side panel of the second frame 2112 are located on the cross beam The front and rear sides of the front and rear sides are respectively provided with connecting plates extending upwards in the vertical direction, and the connecting plates are fixedly connected to the inner side of the longitudinal beam (with the opposite side of the two longitudinal beams as the inner side) by screws. The left and right sides of the second frame 2112 are respectively provided with a vertically extending vertical board 2113, and the front and rear ends of the second frame 2112 are respectively provided with vertical boards 2113 between the two vertical boards 2113. The first guide rod 2114 extending transversely, the two ends of the first guide rod 2114 are respectively fixedly connected with the vertical plate 2113, the left side plate and the right side plate of the second frame 2112 are provided with The first escape hole of the first guide rod 2114, and the second frame 2112 is fixedly connected with the first guide rod 2114.

As a specific implementation, as shown in FIG. 8 , the first guide rod 2114 described in this embodiment is provided with thrust rings on the left and right sides of the second frame 2112 respectively. The push ring limits the freedom of sliding of the second frame 2112 relative to the first guide rod 2114 .

As shown in Figure 3 and Figure 8, a clamping pulley 2115 is provided on the vertical plate 2113, a clamping belt 2116 is provided between the two clamping pulleys 2115, and the second frame 2112 Both the left side plate and the right side plate are provided with second escape holes for accommodating the clamping belt 2116 .

Further, in order to adjust the tension of the clamping belt 2116 conveniently, as shown in FIG. The first guide rod 2114 is slidingly connected. The clamping pulley 2115 is disposed on the inner side of the sliding installation plate 2117 (with the side close to the second frame 2112 being the inner side). A tension rod is arranged between the vertical plate 2113 and the sliding installation plate 2117, the inner end of the tension rod is connected with the sliding installation plate 2117, and the outer end of the tension rod passes through the The vertical plate 2113 extends to the outside of the vertical plate 2113 , and a locking nut is arranged on the outside of the vertical plate 2113 on the tension rod.

Further, the sliding mounting plate 2117 is provided with a thrust ring for tightening the first guide rod 2114, and the sliding mounting plate 2117 is fixed to the first guide rod 2114 through the thrust ring connect. In this way, when the tension of the clamping belt 2116 is adjusted in place, the sliding mounting plate 2117 can be fixed on the first guide rod 2114 by locking the thrust ring, so as to ensure the reliability of fixing the sliding mounting plate 2117.

As shown in Figure 3, centering splints 2118 are respectively arranged on the left and right sides of the main frame body on the first feeding frame, and the front and rear ends of the lower end of the centering splints 2118 are The first guide sleeves matched with the first guide rods 2114 are respectively provided, and the centering splint 2118 can be relative to the first guide rods 2114 in cooperation with the first guide sleeves and the first guide rods 2114. A guide rod 2114 slides left and right.

As shown in Figure 5, the lower end of the centering splint 2118 is provided with a clamping plate 21181 for clamping the tightening belt, that is, the centering splint 2118 is connected to the clamping belt 2116 through the clamping plate 21181 Fixed connection. A second driving component for driving the centering splint 2118 to move left and right along the first guide rod 2114 is arranged between one of the centering splints 2118 and the first feeding frame. As a specific implementation, as shown in Fig. 4 and Fig. 6, a clamping cylinder 2119 is arranged directly below the beam in the second frame 2112 described in this embodiment, and the cylinder of the clamping cylinder 2119 The body is fixedly connected with the left side plate of the second frame 2112, and the rod end of the piston rod of the clamping cylinder 2119 passes through the left side plate of the second frame 2112 and is fixed to the centering splint 2118 on the left side connect. Driven by the clamping cylinder 2119, the two centering splints 2118 move toward each other or move back.

Preferably, the clamping cylinder 2119 is located in the enclosed area formed by the clamping belt 2116 .

Further, as shown in FIG. 3 and FIG. 7 , a roller fluent strip 21182 is provided on the inner side of the centering splint 2118 , and the roller fluent strip 21182 is located above the conveyor belt 2123 .

As shown in Figure 3 and Figure 8, the first transmission assembly includes a driven pulley 2121 and a driving pulley 2122 arranged at the front and rear ends of the longitudinal beam, and the driving pulley 2122 and the driven belt A conveyor belt 2123 is provided between the wheels 2121 . As a specific implementation, driving wheel mounting plates are respectively provided on the left and right sides of the rear end of the longitudinal beam in this embodiment, and the driving pulley 2122 is located on the two driving wheel mounting plates between them, and is rotationally connected with the driving wheel mounting plate through a bearing assembly. The left and right sides of the front end of the longitudinal beam are respectively provided with driven wheel mounting plates, and the driven pulley 2121 is located between the two driven wheel mounting plates, and is connected to the driven wheel through a bearing assembly. The driven wheel mounting plate is rotationally connected. The longitudinal beams are located inside the conveyor belt 2123 .

The first feeding frame is provided with a first driving component for driving the driving pulley 2122 to rotate. As a specific implementation manner, as shown in FIG. 3 , the first driving component in this embodiment includes a commutator 2124 fixedly arranged on the first feeding frame. The commutator 2124 is a T-shaped commutator 2124 with one input and two outputs, and the two output ends are coaxial. The driving pulley 2122 is respectively connected to the output end of the commutator 2124 through a transmission shaft, and the input end of the commutator 2124 is connected to the power output shaft of the driving motor 2125 .

Preferably, as shown in Figure 8, a power mounting plate is arranged between the two longitudinal beams, and the two ends of the power mounting plate are respectively connected to the inner side (with the opposite side of the two longitudinal beams as the inner side). The lower side of the driving wheel mounting plate is fixedly connected. The commutator 2124 is fixedly connected with the power installation plate through screws.

A first bottom plate 213 is fixedly arranged on the lower side of the second frame 2112, and the vertical plate 2113 and the first bottom plate 213 are respectively fixedly connected with the side wall and the bottom surface of the box body 1 by screws.

As shown in FIG. 3 , the positioning device 22 includes a positioning cylinder 221 and a positioning plate 222 , and the cylinder body of the positioning cylinder 221 is fixedly connected with the first feeding frame. The positioning plate 222 includes a horizontal portion and a vertical portion, and the horizontal portion and the vertical portion jointly form an L-shaped structure. The rod end of the piston rod of the positioning cylinder 221 is fixedly connected with the horizontal part of the positioning plate 222 . Preferably, two sets of positioning devices 22 are provided on the first feeding frame in this embodiment, and the two positioning devices 22 are respectively located on the left and right sides of the driving motor 2125 .

As a specific implementation manner, as shown in FIG. 8 , the cylinder body of the positioning cylinder 221 in this embodiment is fixedly connected to the rear side of the beam through the first cylinder mounting seat.

As shown in FIG. 2 , FIG. 9 and FIG. 13 , the first upper module 3 includes a second conveying device, a first cutting device 32 and a first contact bounce detection device 33 . The second conveying device includes a second feeding frame and a second conveying assembly.

Wherein the structure of the second feeding rack is the same as that of the first feeding rack, and they are symmetrically arranged, and the specific structure of the second feeding rack will not be repeated here. The structure of the second conveying assembly is similar to that of the first conveying assembly, the difference is that the driving pulley 2122 in the second conveying assembly is arranged at the front end of the longitudinal beam of the second feeding rack, and the first conveying assembly The driven pulley 2121 in the second transmission assembly is arranged at the rear end of the longitudinal beam of the second feeding frame. Correspondingly, the first driving component for driving the driving pulley 2122 in the second conveying assembly to rotate is located at the front end of the second feeding frame.

As shown in FIG. 10 , the first cutting device 32 and the first contact bounce detection device 33 for measuring the height of the carton 6 are arranged on the lower side of the main frame of the second conveying device. As a specific implementation manner, the first cutting device 32 and the first contact rebound detection device 33 described in this embodiment are respectively located on the rear and front sides of the beam of the second conveying device, and are connected to the first The beams of the two conveying devices are fixedly connected.

As shown in FIGS. 10 and 11 , the first cutting device 32 includes a cutting cylinder 321 , and the cutting cylinder 321 is a cylinder with a guide rod. The cylinder body of the cutting cylinder 321 is fixedly connected to the rear side of the beam of the second conveying device through the second cylinder mounting seat. The second cylinder mounting seat includes a first seat plate that is fixedly connected to the crossbeam by screws, and the second seat plate extending to the rear side perpendicular to the first seat plate is provided on the first seat plate. The seat plate, the cylinder body of the cutting cylinder 321 is fixedly connected with the second seat plate. A mounting block 322 is disposed below the cutting cylinder 321, and at least two first rollers 323 are disposed on the mounting block 322, and the axes of the first rollers 323 extend along the left and right directions. As a specific implementation, the installation block 322 in this embodiment is provided with two first rollers 323 , and the first rollers 323 are installed on the right side of the installation block 322 .

The front and rear ends of the upper side of the mounting block 322 are respectively provided with spring bars 324, the lower end (moving side) of the spring bars 324 is fixedly connected with the mounting block 322, and the upper end of the spring bars 324 ( The fixed side) is fixedly connected with the piston rod end plate of the cutting cylinder 321 through the fixed seat 325 .

A knife seat 326 is fixedly arranged on the right side of the piston rod end plate of the cutting cylinder 321, and the knife seat 326 is fixedly provided with a blade 327 for cutting the center seam 61 between the two first rollers 323. , and when the spring bar 324 is in a free state, the blade 327 is located above the mounting block 322 .

Further, as shown in FIG. 11, a U-shaped protective frame 328 is provided on the right side of the installation block 322. The protective frame 328 includes a web, and the two ends of the web are respectively provided with The wing plate, the web and the wing plate together form a U-shaped structure with an opening facing to the left. The wing plate is fixedly connected with the installation block 322 by screws, and the first roller 323 is located in the enclosed area formed by the guard frame 328 and the installation block 322 .

As shown in Figures 10 and 12, the first contact bounce detection device 33 includes a mounting bracket, and the mounting bracket includes a horizontal plate 3311, and the rear end of the horizontal plate 3311 is provided with a The first vertical plate 3312 extending downward from the horizontal plate 3311, the first vertical plate 3312 is fixedly connected with the cross beam of the second conveying device through screws. The front end of the horizontal plate 3311 is provided with a second vertical plate 3313 extending upward perpendicular to the horizontal plate 3311 , and the first photoelectric switch 332 is disposed on the second vertical plate 3313 . The upper and lower sides of the horizontal plate 3311 are respectively provided with a detection piece 333 and a roller bracket 334, and the second roller 335 is arranged on the described roller bracket 334, and the lower edge of the second roller 335 is lower than the second The underside of the conveyor belt 2123 of the conveying device. The lower side of the detection piece 333 is fixedly provided with a telescopic rod 3361, and the lower end of the telescopic rod 3361 passes through the horizontal plate 3311 of the mounting bracket and is fixedly connected with the roller bracket 334. The horizontal plate 3311 is fixedly provided with a sliding sleeve 3362 matching with the telescopic rod 3361, and a device is provided between the telescopic rod 3361 and the sliding sleeve 3362 to prevent the telescopic rod 3361 from moving relative to the sliding sleeve 3362. Spring for upward movement (not shown).

Preferably, the roller bracket 334 is provided with two second rollers 335 , and the lower side of the detection piece 333 is provided with two telescopic rods 3361 .

Preferably, the outer cylindrical surface of the sliding sleeve 3362 is provided with external threads, and the sliding sleeve 3362 is respectively provided with fixing nuts on the upper and lower sides of the horizontal plate 3311 .

Further, as shown in FIG. 12 , a second photoelectric switch 337 is disposed above the first photoelectric switch 332 on the second vertical plate 3313 .

The reason for such setting is: when the entire first upper module 3 descends, the second roller 335 first touches the upper plane of the carton 6, and at this moment the corresponding detection piece 333 moves upwards, and when the detection piece 333 triggers the first photoelectric switch 332 , the first upper module 3 stops moving as a signal that the first upper module 3 is lowered into place. If the first upper module 3 continues to decline due to other reasons, the detection piece 333 will trigger the second photoelectric switch 337, and the signal of the second photoelectric switch 337 is used as the shutdown signal of the whole device at this moment, and the whole device stops suddenly to prevent the first upper module from going down. The module 3 continues to descend and crushes the materials in the box, which plays a role in protecting the equipment and the materials in the carton 6 .

As shown in Figure 13, a first lifting plate 313 is fixedly arranged on the upper side of the main frame body of the second conveying device, and a second lifting plate 313 extending upward in the vertical direction is fixedly arranged on the first lifting plate 313. Guide rods 3131, as a specific implementation, four second guide rods 3131 are arranged on the first lifting plate 313 in this embodiment, and the four second guide rods 3131 are arranged in two rows and two columns matrix arrangement.

As shown in Figure 22, the top plate of the box body 1 is provided with a second guide sleeve 111 matched with the second guide rod 3131, and the cooperation between the second guide rod 3131 and the second guide sleeve 111 Under the action, the first upper module 3 can slide up and down relative to the box body 1 .

As shown in FIG. 22 , the first lifting mechanism includes a third driving component disposed between the top plate and the first lifting plate 313 for driving the first upper module 3 to move up and down. As a specific implementation, the third driving component described in this embodiment is the first electric lifting cylinder 112, the cylinder body of the first electric lifting cylinder 112 is fixedly connected with the top plate of the box body 1, and the The rod end of the driving rod of the first electric lifting cylinder 112 passes through the top plate and is fixedly connected with the first lifting plate 313 .

Further, as shown in FIG. 22 , the first balance cylinder 113 is respectively arranged on the front and rear sides of the first lifting electric cylinder 112 on the top plate, and the cylinder body of the first balance cylinder 113 is in contact with the first balance cylinder 113 . The above-mentioned top plate is fixedly connected, and the rod end of the piston rod of the first balance cylinder 113 passes through the above-mentioned top plate and is fixedly connected with the first lifting plate 313 .

As shown in FIGS. 14 and 15 , the second lower module 4 includes a third conveying device and a reversing device 42 . The structure of the third conveying device is the same as that of the first conveying device, and the specific structure of the third conveying device will not be repeated here.

A second bottom plate 413 is fixedly arranged on the lower side of the main frame body of the third conveying device, and the second bottom plate 413 is fixedly connected with the bottom surface of the box body 1 by screws.

The reversing device 42 includes a lifting plate 421 located on the front side of the beam of the third conveying device, and the lifting plate 421 is slidably connected to the second bottom plate 413 through a third guide rod 422, A fourth driving component for driving the lifting plate 421 to move up and down is disposed between the second bottom plate 413 and the lifting plate 421 . As a specific implementation, as shown in Figure 16 and Figure 17, four third guide rods 422 are arranged on the underside of the lifting plate 421 in this embodiment, and the four third guide rods 422 422 are arranged in a matrix of two rows and two columns. The lower end of the third guide rod 422 extends through the second bottom plate 413 to below the second bottom plate 413, and the second bottom plate 413 is provided with a The third guide sleeve 423. The fourth driving part is a jacking cylinder 424 arranged between the jacking plate 421 and the second bottom plate 413, and the cylinder body of the jacking cylinder 424 is fixedly connected with the second bottom plate 413, so The rod end of the piston rod of the jacking cylinder 424 passes through the second bottom plate 413 and is fixedly connected with the jacking plate 421 .

As shown in FIG. 14 and FIG. 17 , the lifting plate 421 is provided with a turntable 425 , and the turntable 425 is a four-degree turntable 425 .

As shown in FIGS. 18 and 20 , the second upper module 5 includes a fourth conveying device, a second cutting device 52 and a second contact rebound detection device 53 . The structure of the fourth conveying device is the same as that of the second conveying device, and the specific structure of the fourth conveying device will not be repeated here.

As shown in FIG. 20 and FIG. 21 , the second contact bounce detection device 53 is arranged on the lower side of the main frame body of the fourth conveying device. As a specific implementation manner, the second contact bounce detection device 53 in this embodiment is located at the front side of the crossbeam of the fourth conveying device, and is fixedly connected with the crossbeam of the fourth conveying device. The specific structure of the second contact rebound detection device 53 is the same as that of the first contact rebound detection device 33 , and will not be repeated here.

As shown in Figure 18 and Figure 19, the rear end of the centering splint 2118 of the fourth conveying device is provided with a third cylinder mounting seat, and the third cylinder mounting seat includes successively extending in the vertical direction from bottom to top. The first connecting portion and the second connecting portion extending obliquely outward and upward. The first connecting part is fixedly connected to the centering splint 2118 of the fourth conveying device through screws, and the second connecting part is provided with a second cutting device 52, and the structure of the second cutting device 52 is the same as The structure of the first cutting device 32 is the same and will not be repeated here. Preferably, the included angle between the blade 327 in the second cutting device 52 and the horizontal plane is 45°.

As shown in Figure 18, a second lifting plate 513 is fixedly arranged on the upper side of the main frame body of the fourth conveying device, and a fourth lifting plate 513 extending upward in the vertical direction is fixedly arranged on the second lifting plate 513. Guide rods 5131, as a specific implementation, four fourth guide rods 5131 are arranged on the second lifting plate 513 in this embodiment, and the four fourth guide rods 5131 are arranged in two rows and two columns matrix arrangement.

As shown in Figure 22, the top plate of the box body 1 is provided with a fourth guide sleeve 121 matched with the fourth guide rod 5131, and the cooperation between the fourth guide rod 5131 and the fourth guide sleeve 121 Under the action, the second upper module 5 can slide up and down relative to the box body 1 .

As shown in Fig. 22, the second lifting mechanism includes a fifth driving component arranged between the top plate and the second lifting plate 513 for driving the second upper module 5 to move up and down. As a specific implementation, the fifth driving component described in this embodiment is the second electric lifting cylinder 122, the cylinder body of the second electric lifting cylinder 122 is fixedly connected with the top plate of the box body 1, and the The rod end of the driving rod of the second electric lifting cylinder 122 passes through the top plate and is fixedly connected with the second lifting plate 513 .

Further, as shown in FIG. 22 , a second balance cylinder 123 is respectively arranged on the front and rear sides of the second lifting electric cylinder 122 on the top plate, and the cylinder body of the second balance cylinder 123 is connected to the cylinder body of the second lift cylinder 122. The above-mentioned top plate is fixedly connected, and the rod end of the piston rod of the second balance cylinder 123 passes through the above-mentioned top plate and is fixedly connected with the second lifting plate 513 .

During work, first place the carton 6 on the first lower module 2, and move forward under the action of the conveying assembly of the first lower module 2 until the carton 6 abuts against the positioning plate of the positioning device 22 222 on. Then the clamping cylinder 2119 in the first lower module 2 acts to drive the centering splint 2118 in the first lower module 2 to move toward each other until the roller fluent strip 21182 on the centering splint 2118 is pressed against the carton 6 on the side. Then the first upper module 3 moves downward under the action of the first lifting mechanism until the detection piece 333 in the first contact rebound detection device 33 triggers the first photoelectric switch 332, and the first upper module 3 stops moving. Then the cutting cylinder 321 in the first cutting device 32 acts, and the piston rod stretches out, driving the mounting block 322 and the knife seat 326 to move downward together. Because in the natural state, the blade 327 is located above the mounting block 322, so in the process of moving down, the first roller 323 first touches the upper plane of the carton 6, and retracts upwards under the action of the spring rod 324. The blade 327 hidden inside stretches out and cuts into the middle seam 61 of the carton 6 . Then the clamping cylinder 2119 in the first upper module 3 acts to drive the centering splint 2118 in the first upper module 3 to move toward each other until the roller fluent strip 21182 on the centering splint 2118 is pressed against the carton 6 on the side. Then the piston rod of the positioning cylinder 221 is retracted, and the transmission components of the first upper module 3 and the first lower module 2 act simultaneously to drive the carton 6 to move backward. At this time, the blade 327 in the first cutting device 32 moves relative to the carton 6 , until the carton 6 moves to the second lower module 4 and is located directly above the reversing device 42 , and at the same time, the cutting of the middle seam 61 is completed. Then the action of the jacking cylinder 424 drives the turntable 425 to move upward until the carton 6 is jacked up, then the action of the turntable 425 drives the carton 6 to rotate 90°, then the piston rod of the jacking cylinder 424 is retracted, and the carton 6 is placed on the second floor again. Module 4 on the third conveyor. Then the clamping cylinder 2119 in the second lower module 4 acts to drive the centering splint 2118 in the second lower module 4 to move toward each other until it is clamped on the side of the carton 6 . Then, the second upper module 5 moves downward under the action of the second lifting mechanism until the detection sheet 333 in the second contact rebound detection device 53 triggers the first photoelectric switch 332, and the second upper module 5 stops moving. Then the cutting cylinder 321 in the second cutting device 52 moves, and the piston rod stretches out, driving the mounting block 322 and the knife seat 326 to move obliquely inwardly and downwardly until the blade 327 stretches out and cuts into the side seam 62 of the carton 6 . Then the clamping cylinder 2119 in the second upper module 5 acts to drive the centering splint 2118 in the second upper module 5 to move toward each other until the roller fluent strip 21182 on the centering splint 2118 is pressed against the carton 6 on the side. Then the conveying components of the second upper module 5 and the second lower module 4 act simultaneously to drive the carton 6 to move backward. At this time, the blade 327 in the first cutting device 32 moves relative to the carton 6 to complete the cutting of the side seam 62 .

Embodiment two

The fourth conveying device of the second upper module includes a fourth feeding frame, the fourth feeding frame includes a main frame, and the main frame includes a third frame and a fourth frame from bottom to top. The third frame includes two longitudinal beams, between the two longitudinal beams there is a transversely extending crossbeam in the middle of the longitudinal beams, and the two ends of the crossbeams are respectively connected to the The longitudinal beam described above is fixedly connected. The crossbeam and the longitudinal beam jointly form an I-shaped third frame. The top of the third frame is provided with a fourth frame in a direction formed by four side plates connected sequentially, and the left side plate and the right side plate of the fourth frame are located in front of the beam, The rear two sides are respectively provided with connecting plates extending downwards in the vertical direction, and the connecting plates are fixedly connected to the inner side of the longitudinal beam (with the opposite side of the two longitudinal beams as the inner side) by screws. The left and right sides of the main frame are respectively provided with a tool mounting plate, and the tool mounting plate is fixedly connected with the fourth frame through a connecting piece. As a specific implementation, the connecting piece described in this embodiment is a plurality of connecting columns arranged between the tool mounting plate and the fourth frame, one end of the connecting column is connected to the side of the fourth frame The plate is fixedly connected, and the other end of the connecting column is fixedly connected with the tool mounting plate. The second cutting device is installed on the rear end of the cutter installation plate through the third air cylinder installation seat. All the other structures are the same as implementing Li Yi.

Embodiment Three

Remove the vertical plate 2113, the sliding mounting plate 2117, the first guide rod 2114, the centering splint 2118 (including the roller fluent strip 21182), the clamping pulley 2115, the clamping belt 2116 and the clamping cylinder in the second feeding rack 2119, the rest of the structure is the same as implementation of Lee 1.

Embodiment Four

The guard frame 328 is removed, and the first roller is arranged on the lower side of the mounting block, and the mounting block is provided with a third escape hole allowing the blade to pass through. All the other structures are the same as in Embodiment 1.

Claims

An unpacking machine, characterized in that: it includes a box body, and the box body includes a center seam unpacking unit;

The center seam unpacking unit includes a first lower module and a first upper module slidingly connected with the box body, and the box body is provided with a first lifting mechanism for driving the first upper module to move up and down;

The first lower module includes a first conveying device for conveying cartons forward, and the first conveying device includes a first feeding frame and a first conveying assembly;

The first feeding frame includes a main frame body, and the first conveying assembly is arranged on the main frame body;

The first upper module includes a second conveying device and a first cutting device for cutting the middle seam, the second conveying device includes a second feeding rack, and the first cutting device is arranged on the first cutting device Second feeding rack
The unpacking machine according to claim 1, characterized in that: the left and right sides of the main frame body are respectively provided with risers below the first conveying assembly, and the risers pass through the first guide The rod is fixedly connected with the main frame body, a centering splint is slidably arranged on the first guide rod, a clamping pulley is arranged on the vertical plate, and a clamping pulley is arranged between the two clamping pulleys. tighten the belt, and the centering splint is fixedly connected with the clamping belt through the clamping plate, and a second driving part is arranged between one of the centering splints and the first feeding frame, and the first Under the action of the second driving part, the two centering splints move toward each other or move backwards;
The unpacking machine according to claim 2, characterized in that: the box body also includes a side seam unpacking unit, and the side seam unpacking unit includes a second lower module and a sliding connection with the box body. For the second upper module, the box body is provided with a second lifting mechanism for driving the second upper module to move up and down;

The second lower module includes a third conveying device having the same structure as the first conveying device; the front end of the third conveying device is provided with a reversing device;

The reversing device includes a lifting plate, and the lifting plate is slidably connected with the third conveying device through a third guide rod, and a device for A fourth driving component that drives the lifting plate to move up and down, and a turntable is arranged on the lifting plate;

The second upper module includes a fourth conveying device and two second cutting devices for cutting side seams, the fourth conveying device includes a fourth feeding rack, and the two second cutting devices are symmetrical It is arranged at the rear end of the fourth rack.
The unpacking machine according to claim 3, characterized in that: said first cutting device has the same structure as said second cutting device, and said second cutting device is arranged obliquely;

The first cutting device includes a cutting cylinder and a mounting block from top to bottom, the mounting block is provided with a first roller, and the two ends of the mounting block are connected to the piston rod end of the cutting cylinder through a spring rod. The plate is connected, and the piston rod end plate is provided with a knife seat for installing a blade, and in a free state, the blade retracts above the first roller.
The unpacking machine according to claim 4, wherein a protective frame is arranged on the mounting block, and the first roller is located in a closed area formed by the protective frame and the mounting block.
The unpacking machine according to claim 3, characterized in that: the first contact type rebound detection device and the second contact type rebound detection device with the same structure are respectively arranged on the second feeding rack and the fourth feeding rack device;

The first contact bounce detection device includes a mounting bracket, the upper and lower sides of the mounting bracket are respectively provided with a detection piece and a roller bracket, and the second roller is arranged on the roller bracket, and the detection piece passes through The telescopic rod is connected to the roller bracket, and the mounting bracket is provided with a sliding sleeve matched with the telescopic rod, and a device is provided between the telescopic rod and the sliding sleeve to prevent the telescopic rod from moving relative to the A spring for the sliding sleeve to move upwards, and the mounting bracket is located on one side of the detection piece to be provided with a first photoelectric switch that cooperates with the detection piece.
A kind of unpacking machine according to claim 6, it is characterized in that: on the described mounting bracket, a second photoelectric switch is arranged above the first photoelectric switch.
The unpacking machine according to claim 1, characterized in that: said first conveying device is provided with a positioning device, and said positioning device comprises a main frame body arranged on said first feeding frame The positioning cylinder is provided with a positioning plate on the piston rod of the positioning cylinder.
A kind of unpacking machine according to claim 3, characterized in that: the structure of the second feeding rack is the same as that of the first feeding rack and arranged symmetrically, the main frame body of the second feeding rack The lower end is provided with a second transmission component;

The structure of the fourth conveying device is the same as that of the second conveying device.
The unpacking machine according to claim 2, characterized in that: the inner side of the riser is provided with a sliding mounting plate which is slidably connected with the first guide rod, and the clamping pulley is provided on the On the sliding mounting plate, a tension rod is arranged between the vertical plate and the sliding mounting plate.
The unpacking machine according to claim 2, characterized in that: roller fluent strips are provided on the inner side of the centering splint.
The unpacking machine according to claim 2, characterized in that: the main frame body includes a first frame, and the first frame includes two longitudinal beams and a frame for connecting the two longitudinal beams. A crossbeam, one side of the first frame is provided with a second frame formed by connecting four side plates in sequence, and the left side plate and the right side plate of the second frame are respectively connected to the The longitudinal beams are fixedly connected, the first guide rod is arranged on the second frame, and the first transmission assembly and the second transmission assembly include driven pulleys and driving pulleys arranged at both ends of the longitudinal beams. A pulley, a conveyor belt is arranged between the driving pulley and the driven pulley, and the main frame body is provided with a first driving component for driving the driving pulley to rotate.