CN214242848U - Grabbing device suitable for automatic loading and uninstallation of smoke box - Google Patents

Abstract

The utility model relates to a grabbing device suitable for automatic loading of smoke box and uninstallation, include carrier support, first transfer chain, second transfer chain, snatch mechanism and actuating mechanism, first transfer chain and second transfer chain along back and forth direction interval assemble in carrier support upper portion, and the two direction of delivery all along the fore-and-aft direction, and the transport plane is in the coplanar, actuating mechanism installs on the carrier support, and with it connects to snatch the mechanism transmission, is used for ordering about it is in along the fore-and-aft direction to snatch the mechanism the front side below of first transfer chain, top and below reciprocating motion between first transfer chain and the second transfer chain, it is used for acquireing or the release is located to snatch the smoke box in carrier support the place ahead. The advantages are that: structural design is reasonable, can relax, swift realization smoke box is automatic to be loaded and unloaded the operation, and operating efficiency promotes by a wide margin, saves labour and labour cost.

Description

Grabbing device suitable for automatic loading and uninstallation of smoke box

Technical Field

The utility model relates to a smoke box loading and unloading technical field, in particular to grabbing device suitable for automatic loading of smoke box and uninstallation.

Background

The transport of smoke box mainly relies on the manual work to accomplish in tobacco logistics system, because the transport environment is accomplished in the container basically, works under the hot and cold environment in summer and winter to and intensity of labour is higher, it is difficult, more difficult to leave the people to cause the enterprise to recruit the worker, the recruitment is difficult, and along with domestic consumer market continuously increases, for satisfying consumer's demand and filling technical blank, it is higher to require logistics equipment degree of automation, efficiency is higher, the management is more intelligent. Therefore, a gripping device suitable for automatic loading and unloading of cigarette boxes is an essential important device in a modern logistics system.

The existing box body conveying is usually in a manual operation mode to realize loading and unloading, the staff flow rate is high in the work needing physical strength, and the labor intensity and the conveying falling risk are high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a grabbing device suitable for automatic loading of smoke box and uninstallation is provided, the effectual defect of overcoming prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a grabbing device suitable for automatic loading and uninstallation of smoke box, including carrier support, first transfer chain, the second transfer chain, snatch mechanism and actuating mechanism, above-mentioned first transfer chain and second transfer chain are assembled in above-mentioned carrier support upper portion along fore-and-aft direction interval, and the direction of delivery of the two is all along fore-and-aft direction, and the plane of delivery is in the coplanar, above-mentioned actuating mechanism installs on above-mentioned carrier support, and with above-mentioned snatch mechanism transmission connection, be used for driving above-mentioned snatch mechanism along fore-and-aft direction below the front side of above-mentioned first transfer chain, the below reciprocating motion between above-mentioned first transfer chain and the second transfer chain, above-mentioned snatch mechanism is used for acquireing or releasing the smoke box that is located above-mentioned carrier support the place ahead.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the first conveying line and the second conveying line are both belt conveyors.

Further, one of the roller shafts of the first conveying line and the second conveying line is an electric roller.

Further, the grabbing mechanism comprises two groups of four-connecting-rod assemblies, a mounting frame and a sucker assembly, the two groups of four-connecting-rod assemblies are respectively arranged on the outer sides of the left and right side frameworks of the first conveying line, the four-connecting-rod assemblies comprise a bottom connecting rod, a top connecting rod and two side connecting rods, the bottom connecting rod and the top connecting rod are horizontally arranged along the front-back direction and are distributed at intervals up and down, the two side connecting rods are respectively connected with the two ends of the bottom connecting rod and the two ends of the top connecting rod in a rotating mode, the mounting frame is arranged along the left-right direction, the left and right ends of the mounting frame are respectively connected and fixed with the top connecting rods on the two sides through connecting beams arranged on the two sides of the first conveying line, the sucker assembly is assembled at the front end of the mounting frame, the left and right side frameworks of the first conveying line extend backwards to the outer sides of the left and right frameworks of the second conveying line, and the upper portions of the left and right side frameworks of the first conveying line are respectively arranged as climbing rolling surfaces, the front end and the rear end of the climbing rolling surface are both downward and slowly descending slopes, the middle part is a flat plane, the lower parts of the inner sides of the top connecting rods at the two sides are both rotatably connected with walking wheels, the lower parts of the walking wheels are both supported on the climbing rolling surface at the corresponding side in a rolling manner, the driving mechanism is in transmission connection with the bottom connecting rods at the two sides and is used for driving the bottom connecting rods at the two sides to move back and forth, so that the walking wheels at the two sides are driven to roll along the climbing rolling surface at the corresponding side; when the walking wheels move forwards along the climbing rolling surface to the slope surface section at the front end, the top connecting rods at two sides descend along with the walking wheels, so that the mounting rack and the sucker assembly move from the upper part of the first conveying line to the lower part of the front side of the first conveying line; when the walking wheels move backwards along the climbing rolling surface to the slope surface section at the rear end, the top connecting rods at two sides descend along with the walking wheels, so that the mounting frame and the sucker assembly move from the upper part of the first conveying line to the lower part between the first conveying line and the second conveying line.

Furthermore, the sucker assembly further comprises an air pipe, the air pipe is arranged below the connecting beam along the front-back direction, the front end of the air pipe is communicated with the negative pressure cavity inside the sucker assembly, and the rear end of the air pipe is externally connected with a negative pressure device through a pipeline.

Further, the four-link assembly is a parallelogram four-link assembly.

Further, the left side and the right side of the carrier support are respectively provided with a side plate along the front-back direction, and two ends of a roller shaft at the front end of the first conveying line and two ends of a roller shaft at the rear end of the second conveying line are respectively assembled and connected with the side plates on two sides.

Further, the driving mechanism comprises two groups of synchronous belt transmission pairs and a power assembly, the two groups of synchronous belt transmission pairs are assembled at the opposite outer sides of the side plates at the two sides along the front-back direction, a main transmission shaft is connected between the wheel sets at the front end or the rear end of the two groups of synchronous belt transmission pairs, the power assembly is in transmission connection with the main transmission shaft, used for driving the main transmission shaft to rotate and driving two groups of synchronous belt transmission pairs to synchronously run, strip-shaped holes which penetrate through the side plates on the two sides from left to right are arranged on the side plates on the two sides along the front-back direction, connecting parts which penetrate through the strip-shaped holes on the corresponding sides are respectively arranged on the outer sides of the bottom connecting rods on the two sides, the connecting part is fixedly connected with a synchronous belt of the synchronous belt transmission pair on the corresponding side through a synchronous belt connector, guide rails are arranged on the lower parts of the inner sides of the side plates on the two sides along the front-back direction, and guide wheel sets in rolling fit with the guide rails are respectively rotatably arranged at the front end and the rear end of the outer side of the bottom connecting rod on the two sides.

Further, the power assembly includes a motor, a speed reducer, two synchronous pulleys and a synchronous belt, wherein a driving shaft of the motor is in transmission connection with an input shaft of the speed reducer, and both of the driving shaft and the input shaft are mounted on the carrier bracket, an output shaft of the speed reducer extends in the left-right direction, the two synchronous pulleys are respectively and coaxially mounted at corresponding positions on the output shaft of the speed reducer and the main transmission shaft, and the synchronous belt is looped around the two synchronous pulleys.

The utility model has the advantages that: structural design is reasonable, can relax, swift realization smoke box is automatic to be loaded and unloaded the operation, and operating efficiency promotes by a wide margin, saves labour and labour cost.

Drawings

Fig. 1 is a schematic structural view of a gripping device suitable for automatic loading and unloading of cigarette cases according to the present invention;

fig. 2 is a schematic structural view of the gripping device for automatically loading and unloading cigarette cases of the present invention without a side plate;

fig. 3 is a schematic structural view of a power assembly in the gripping device suitable for automatic loading and unloading of cigarette cases according to the present invention;

fig. 4 is a schematic structural diagram of a grabbing mechanism in the grabbing device suitable for automatic loading and unloading of cigarette cases of the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a carrier support; 2. a first conveyor line; 3. a second conveyor line; 4. a grabbing mechanism; 5. a drive mechanism; 6. a main drive shaft; 11. a side plate; 21. climbing the rolling surface; 41. a four-bar linkage assembly; 42. a mounting frame; 43. a sucker component; 44. a traveling wheel; 51. a synchronous belt transmission pair; 52. a power assembly; 111. a strip-shaped hole; 411. a bottom link; 412. a top link; 413. a side link; 431. an air tube; 521. a motor; 522. a speed reducer; 523. a synchronous pulley; 524. a synchronous belt body; 4111. a connecting portion; 4112. a guide wheel set.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example (b): as shown in fig. 1 and 2, the gripping device suitable for automatic loading and unloading of cigarette cases of the present embodiment includes a carrier support 1, a first conveying line 2, a second conveying line 3, a gripping mechanism 4 and a driving mechanism 5, wherein the first conveying line 2 and the second conveying line 3 are mounted on the upper portion of the carrier support 1 at intervals along the front-back direction, and both conveying directions are along the front-back direction, and conveying planes are in the same plane, the driving mechanism 5 is mounted on the carrier support 1 and is in transmission connection with the gripping mechanism 4 for driving the gripping mechanism 4 to reciprocate along the front-back direction below and above the front side of the first conveying line 2 and below between the first conveying line 2 and the second conveying line 3, and the gripping mechanism 4 is used for acquiring or releasing cigarette cases located in front of the carrier support 1.

In the actual use process, whole grabbing device is connected with the mechanism of plugging into that loads and unload, can realize carrying out the loading from the mechanism of plugging into through this grabbing device and carry to and unload to the mechanism of plugging into from unloading vehicle or station through grabbing device and carry, specific process is as follows:

1) when unloading, the gripping device is arranged at the unloading station and can move along with the connection mechanism to enable the front end of the gripping device to be close to the cigarette box, then the driving mechanism 5 drives the gripping mechanism 4 to move to the front along the upper part of the first conveying line 2, the gripping mechanism 4 grips the cigarette box in the front, then the driving mechanism 5 drives the gripping mechanism 4 to lift and move to the upper part of the first conveying line 2 from front to back, so that the cigarette box falls on the conveying surface of the first conveying line 2, meanwhile, when the driving mechanism 5 drives the gripping mechanism 4 to start moving and falling from the upper part of the first conveying line 2 to the rear part between the first conveying line 2 and the second conveying line 3, the gripping mechanism 4 releases the cigarette box and falls below the first conveying line 2 and the second conveying line 3 to avoid the cigarette box released on the first conveying line 2, the cigarette box is conveyed from the first conveying line 2 to the rear part 2 (the length of the cigarette box is enough to span the interval distance between the two conveying lines, will not drop through this interval), after the smoke box is arranged in the transport face of second transfer chain 3 completely, actuating mechanism 5 orders about snatching mechanism 4 and moves forward to the place ahead of first transfer chain 2 to after grabbing device aligns the next smoke box that waits to snatch along with the adjustment of mechanism of plugging into, snatch (smoke box) once more, and actuating mechanism 5's secondary action is again pulled down to on the transport face of first transfer chain 2 again, repeats above-mentioned operating procedure, can realize continuous automation at the discharge position.

2) When loading, the gripping device of the connecting mechanism moves and adjusts the falling point at the front end of the first conveying line 2, the cigarette boxes are delivered out of the connecting mechanism and conveyed to the first conveying line 2 through the second conveying line 3 (in the process, the gripping mechanism 4 is positioned below the two conveying lines to avoid opening the cigarette boxes), after the cartons have been completely transferred onto the transfer surface of the first transfer line 2, the gripping means 4, driven by the drive means 5, are moved forward from behind the cartons on the first transfer line 2, under the combined action of the first conveying lines 2, the cigarette boxes are pushed to a loading falling point, then the driving mechanism 5 drives the grabbing mechanism 4 to move fast to return to a position below the position between the two conveying lines, next, the grabbing device moves again to adjust the next falling point at the front end of the first conveying line, next, the next cigarette box is sent out from the connecting mechanism again, and continuous automatic operation of cigarette box loading can be realized by repeating the operation steps.

Whole grabbing device structural design is reasonable, can relax, swift realization smoke box automatic loading and unloading operation, and operating efficiency promotes by a wide margin, saves labour and labour cost.

Preferably, the first conveying line 2 and the second conveying line 3 are both belt conveyors.

Specifically, one of them roller of above-mentioned first transfer chain 2 and the second transfer chain 3 two is the electric roller section of thick bamboo, and this electric roller section of thick bamboo connects the electricity and can order about corresponding transfer chain operation, need not additionally to install driving system, has reduced the volume of whole device.

As a preferred embodiment, as shown in fig. 1, 2 and 4, the grabbing mechanism 4 includes two sets of four-bar linkage assemblies 41, a mounting frame 42 and a suction cup assembly 43, the two sets of four-bar linkage assemblies 41 are respectively disposed at the outer sides of the left and right side frames of the first conveyor line 2, the four-bar linkage assemblies 41 include a bottom link 411 and a top link 412 horizontally disposed along the front-back direction and vertically spaced apart from each other, and two side links 413, the two side links 413 are respectively rotatably connected to the two ends of the bottom link 411 and the top link 412, the mounting frame 42 is disposed along the left-right direction, the left and right ends thereof are respectively connected and fixed to the top links 412 at both sides through connecting beams disposed at both sides of the first conveyor line 2, the suction cup assembly 43 is assembled at the front end of the mounting frame 42, the left and right side frames of the first conveyor line 2 extend backwards to the outer sides of the left and right side frames of the second conveyor line 3, the upper parts of the left and right side frames of the first conveyor line 2 are all set as climbing rolling surfaces 21, the front and rear ends of each climbing rolling surface 21 are all slope surfaces which slowly descend downwards, the middle parts of the climbing rolling surfaces are all flat surfaces, the lower parts of the inner sides of the top connecting rods 412 on both sides are rotatably connected with walking wheels 44, the lower parts of the walking wheels 44 are all supported on the climbing rolling surfaces 21 on the corresponding sides in a rolling manner, the driving mechanism 5 is in transmission connection with the bottom connecting rods 411 on both sides, and the driving mechanism 5 is used for driving the bottom connecting rods 411 on both sides to move back and forth, so as to drive the walking wheels 44 on both sides to roll along the climbing rolling surfaces 21 on the corresponding sides; when the travelling wheels 44 move forward along the climbing rolling surface 21 to the front slope section, the top connecting rods 412 on both sides descend along with the travelling wheels, so that the mounting rack 42 and the suction cup assembly 43 move from the upper part of the first conveyor line 2 to the lower part of the front side of the first conveyor line 2; when the travelling wheels 44 move backward along the climbing rolling surface 21 to the rear slope section, the top links 412 on both sides are lowered, so that the mounting rack 42 and the suction cup assembly 43 move from above the first conveyor line 2 to below between the first conveyor line 2 and the second conveyor line 3.

In this embodiment, when the driving mechanism 4 drives the bottom connecting rods 411 at two sides to move in the front-back direction, the walking wheels 44 on the top connecting rods 412 roll along the climbing rolling surfaces 21 at the corresponding sides, and when the walking wheels 44 slowly descend along the slopes at the front and rear ends of the climbing rolling surfaces 21, the height of the top connecting rods 412 descends, that is, the height of the suction cup assemblies 43 at the mounting rack 42 level descends, so that when the suction cup assemblies 43 at the mounting rack 42 level slowly descend along the slopes at the front and rear ends of the climbing rolling surfaces 21, the mounting rack 42 and the suction cup assemblies 43 just fall at the front lower side of the first conveying line 2 and the lower side between the first conveying line 2 and the second conveying line 3 (the upper ends of the mounting rack 42 and the suction cup assemblies 43 do not protrude out of the conveying surfaces of the two conveying lines), so as to ensure that the smoke boxes conveyed on the conveying surfaces can be well avoided, good goods handling can be realized, and the design of the whole grabbing mechanism 4 is reasonable, the operation is stable.

Preferably, the suction cup assembly 43 further comprises an air pipe 431, the air pipe 431 is disposed under the connecting beam along the front-back direction, the front end of the air pipe 431 is communicated with the negative pressure cavity inside the suction cup assembly 43, and the rear end of the air pipe is externally connected with a negative pressure device through a pipeline.

In this scheme, the trachea 431 hidden arrangement avoids blockking the conveyer surface top region of transfer chain.

The sucker assembly 43 comprises a plurality of suckers arranged at intervals in the left-right direction, a shunting block is hidden and mounted on the rear side of the mounting frame 42, a negative pressure cavity is formed in the shunting block, negative pressure ports which are connected with the suckers one by one and communicated with the suckers are formed in the shunting block respectively, and the air pipe 431 is communicated with the negative pressure cavity in the rear end of the shunting block.

Preferably, the four-bar linkage assembly 41 is a parallelogram four-bar linkage assembly, and when the traveling wheel 44 ascends the top link 412 and moves along the climbing rolling surface 21 and the traveling wheel 44 climbs or descends on the front and rear end slopes of the climbing rolling surface 21, the top link 412 is lifted and lowered smoothly under the support of the two side links 413 by using the parallelogram principle.

The top link 412 is provided at its lower end with a support portion for mounting the traveling wheels 44, so that the traveling wheels 44 can be well assembled.

In a preferred embodiment, the carrier support 1 is provided with side plates 11 on both left and right sides thereof in the front-rear direction, and both ends of the one roller at the front end of the first conveyor line 2 and the one roller at the rear end of the second conveyor line 3 are respectively coupled to the side plates 11 on both sides.

In this scheme, the design of sideboard 11 can make two transfer chains all be in between both sides sideboard 11, and structural design is compacter, assembles more firmly between the structure.

On the basis of the above embodiment, the driving mechanism 5 includes two sets of synchronous belt transmission pairs 51 and a power assembly 52, the two sets of synchronous belt transmission pairs 51 are respectively assembled on the opposite outer sides of the side plates 11 along the front-back direction, a main transmission shaft 6 is connected between the two sets of synchronous belt transmission pairs 51 located at the front end or the rear end, the power assembly 52 is in transmission connection with the main transmission shaft 6 and is used for driving the main transmission shaft 6 to rotate and driving the two sets of synchronous belt transmission pairs 51 to synchronously operate, the side plates 11 on both sides are respectively provided with a strip-shaped hole 111 penetrating through the side plates in the front-back direction, the opposite outer sides of the bottom connecting rods 411 on both sides are respectively provided with a connecting portion 4111 penetrating through the strip-shaped hole 111 on the corresponding side, the connecting portion 4111 is fixedly connected with the synchronous belt of the synchronous belt transmission pair 51 on the corresponding side through a synchronous belt connector, the lower portions of the inner sides of the side plates 11 on both sides are provided with guide rails along the front-back direction, and guide wheel sets 4112 in rolling fit with the guide rails are rotatably mounted at the front and rear ends of the outer sides of the bottom connecting rods 411 at the two sides respectively.

In the scheme, the power assembly 52 can synchronously order two groups of synchronous transmission pairs 51 to operate, so that two groups of four-connecting-rod assemblies 41 connected with the synchronous belts of the two groups of synchronous transmission pairs 51 are driven to move back and forth, walking wheels 44 on top connecting rods 412 of the four-connecting-rod assemblies 41 are well ordered to move along corresponding climbing rolling surfaces 21, the mounting frame 42 and the sucker assembly 43 are moved and lifted, the action heights of the two side synchronous transmission pairs 51 are consistent, and the driving of the mounting frame 42-level sucker assembly 43 is relatively stable.

More specifically, as shown in fig. 3, the power assembly 52 includes a motor 521, a speed reducer 522, two timing pulleys 523 and a timing belt 524, wherein a driving shaft of the motor 521 is in transmission connection with an input shaft of the speed reducer 522 and both are mounted on the carrier frame 1, an output shaft of the speed reducer 522 extends in a left-right direction, the two timing pulleys 523 are coaxially mounted at positions corresponding to each other on the output shaft of the speed reducer 522 and the main transmission shaft 6, and the timing belt 524 is wound around the two timing pulleys 523.

In this embodiment, the power assembly 52 adopts a combination of the motor 521 and the speed reducer 522, so that the reduction ratio can be adjusted according to actual operation, and a good matching relationship between the suction cup assembly 43 and the conveyor line is realized, thereby facilitating smooth loading and unloading operations of the cigarette box.

The synchronous belt transmission pair 51 is of a structure in the prior art, and specifically comprises two synchronous belt pulleys and a plurality of tension wheels, wherein the two synchronous belt pulleys are respectively arranged at the front end and the rear end of the outer side of the side plate 11 corresponding to each other, one synchronous belt pulley is coaxially connected with the corresponding end of the main transmission shaft 6, the other synchronous belt pulley is rotatably connected with the side plate 11, the plurality of tension wheels are arranged on the outer side of the side plate 11, and the synchronous belt is wound around the synchronous belt pulleys and the tension wheels.

It should be added that: the opposite outer sides of the bottom connecting rods 411 at two sides are respectively provided with a photoelectric sensor, the rear ends of two sides of the carrier support 1 are respectively provided with a sensing piece corresponding to the photoelectric sensor, when the driving mechanism 5 drives the four-connecting-rod assembly 41 to move backwards to the photoelectric sensor to sense the sensing piece, the grabbing mechanism 4 just moves to the position where the walking wheel 44 corresponds to the rear slope surface (slope top) of the climbing rolling surface 21, at the moment, the grabbing mechanism 4 releases the smoke box (most of the smoke box is positioned on the first conveying line 2), and falls below the first conveying line 2 and the second conveying line 3 in the subsequent moving process to avoid conveying the smoke box from front to back.

It should be added that the gripping device of this embodiment is provided with an adaptive control system, and the control system is connected with the first conveying line 2, the second conveying line 3, the driving mechanism 5 and the photoelectric sensor, so as to realize the automatic operation control of the gripping device.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. The utility model provides a grabbing device suitable for automatic loading of smoke box and uninstallation which characterized in that: including carrier support (1), first transfer chain (2), second transfer chain (3), snatch mechanism (4) and actuating mechanism (5), first transfer chain (2) and second transfer chain (3) along the fore-and-aft direction interval assemble in carrier support (1) upper portion, and the direction of delivery of the two all along the fore-and-aft direction, and the plane of delivery is in the coplanar, actuating mechanism (5) are installed carrier support (1) is last, and with it is connected to snatch mechanism (4) transmission, be used for ordering about it is in to snatch mechanism (4) along the fore-and-aft direction first transfer chain (2) front side below, top and below reciprocating motion between first transfer chain (2) and second transfer chain (3), it is used for acquireing or the release is located to snatch mechanism (4) the smoke box in carrier support (1) the place ahead.

2. A gripping device suitable for the automatic loading and unloading of cartons as claimed in claim 1, characterised in that: and the first conveying line (2) and the second conveying line (3) are both belt conveyors.

3. A gripping device suitable for the automatic loading and unloading of cartons as claimed in claim 2, characterised in that: and one roll shaft of each of the first conveying line (2) and the second conveying line (3) is an electric roller.

4. A gripping device suitable for the automatic loading and unloading of cartons as claimed in claim 1, characterised in that: the grabbing mechanism (4) comprises two groups of four-connecting-rod assemblies (41), a mounting frame (42) and sucker assemblies (43), the four-connecting-rod assemblies (41) are respectively arranged on the outer sides of the left side framework and the right side framework of the first conveying line (2), each four-connecting-rod assembly (41) comprises a bottom connecting rod (411), a top connecting rod (412) and two side connecting rods (413) which are horizontally arranged along the front-back direction and are distributed at intervals from top to bottom, the two side connecting rods (413) are respectively and rotatably connected with the two ends of the bottom connecting rod (411) and the top connecting rod (412), the mounting frame (42) is arranged along the left-right direction, the left end and the right end of each side connecting rod are respectively and fixedly connected with the top connecting rods (412) on the two sides through connecting beams arranged on the two sides of the first conveying line (2), the sucker assemblies (43) are assembled at the front end of the mounting frame (42), the left side framework and the right side framework of the first conveying line (2) extend backwards to the outer sides of the second conveying line (3), the upper parts of the left and right side frameworks of the first conveying line (2) are respectively provided with a climbing rolling surface (21), the front and rear ends of the climbing rolling surface (21) are respectively provided with a downward slope surface which slowly falls, the middle parts of the climbing rolling surface are respectively provided with a straight plane, the lower parts of the inner sides of the top connecting rods (412) at the two sides are respectively rotatably connected with a walking wheel (44), the lower parts of the walking wheels (44) are respectively supported on the climbing rolling surface (21) at the corresponding side in a rolling manner, the driving mechanism (5) is in transmission connection with the bottom connecting rods (411) at the two sides, and the driving mechanism (5) is used for driving the bottom connecting rods (411) at the two sides to move back and forth, so that the walking wheels (44) at the two sides are driven to roll along the climbing rolling surface (21) at the corresponding side; when the travelling wheels (44) move forwards along the climbing rolling surface (21) to the slope surface section at the front end, the top connecting rods (412) at two sides descend along with the travelling wheels, so that the mounting rack (42) and the suction cup assembly (43) move from the upper part of the first conveying line (2) to fall below the front side of the first conveying line (2); when the travelling wheels (44) move backwards along the climbing rolling surface (21) to the slope surface section at the rear end, the top connecting rods (412) at two sides descend along with the travelling wheels, so that the mounting frame (42) and the suction cup assembly (43) move from the upper part of the first conveying line (2) to the lower part between the first conveying line (2) and the second conveying line (3).

5. A gripping device suitable for the automatic loading and unloading of cartons as claimed in claim 4, characterised in that: sucking disc subassembly (43) still include trachea (431), trachea (431) set up along the fore-and-aft direction link the below of roof beam, its front end with sucking disc subassembly (43) inside negative pressure chamber intercommunication, the external negative pressure device of pipeline is passed through to the rear end.

6. A gripping device suitable for the automatic loading and unloading of cartons as claimed in claim 4, characterised in that: the four-connecting-rod assembly (41) is a parallelogram four-connecting-rod assembly.

7. A gripping device suitable for the automatic loading and unloading of cartons as claimed in claim 4, characterised in that: the left and right sides of carrier support (1) is equipped with sideboard (11) along the fore-and-aft direction respectively, the both ends of a roller of first transfer chain (2) front end with a roller of second transfer chain (3) rear end respectively with both sides sideboard (11) be assembled between/be connected between.

8. A gripping device suitable for the automatic loading and unloading of cartons as claimed in claim 7, characterised in that: actuating mechanism (5) includes two sets of synchronous belt drive pair (51) and power assembly (52), and is two sets of synchronous belt drive pair (51) all assembles in both sides along the fore-and-aft direction the outside that sideboard (11) is relative, and is two sets of synchronous belt drive pair (51) are located and are connected with a final drive shaft (6) between the wheelset of front end or rear end, power assembly (52) are connected with this final drive shaft (6) transmission for order about final drive shaft (6) rotate, and drive two sets of synchronous belt drive pair (51) synchronous motion, both sides all be equipped with strip hole (111) that run through it about along the fore-and-aft direction on sideboard (11), both sides the relative outside of end connecting rod (411) is equipped with respectively and passes corresponding side connecting portion (4111) in strip hole (111), connecting portion (4111) pass through synchronous belt connector and correspond the side the synchronous belt connection of synchronous belt drive pair (51) is fixed, the inboard lower part of both sides sideboard (11) is equipped with the guide rail along the fore-and-aft direction, both sides both ends are rotated respectively around bottom connecting rod (411) outside and are installed and roll complex direction wheelset (4112) with the guide rail.

9. A gripping device suitable for the automatic loading and unloading of cartons as claimed in claim 8, characterised in that: the power assembly (52) comprises a motor (521), a speed reducer (522), two synchronous belt wheels (523) and a synchronous belt body (524), wherein a driving shaft of the motor (521) is in transmission connection with an input shaft of the speed reducer (522), the driving shaft and the input shaft are both installed on the carrier support (1), an output shaft of the speed reducer (522) extends in the left-right direction, the two synchronous belt wheels (523) are respectively and coaxially installed at corresponding positions on the output shaft of the speed reducer (522) and the main transmission shaft (6), and the synchronous belt body (524) is wound outside the two synchronous belt wheels (523).

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