CN113911451B

CN113911451B - Workpiece packing method

Info

Publication number: CN113911451B
Application number: CN202111384645.6A
Authority: CN
Inventors: 陈锋楠; 杨剑; 陈桥芳; 祝秀芬
Original assignee: Guangzhou City University of Technology
Current assignee: Guangzhou City University of Technology
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-12-09
Anticipated expiration: 2041-11-22
Also published as: CN113911451A

Abstract

The invention provides a workpiece packing method; the conveying system comprises a first conveying device, a superposition device, a second conveying device, a limiting jacking mechanism, a clamping moving mechanism and a packing device; the first conveying device conveys the workpiece to the laminating channel; the workpieces entering the laminated channel are superposed under the action of gravity; providing a guiding function for the workpiece through the laminated channel; the workpieces are accurately superposed on the supporting mechanism; meanwhile, the size of the laminated channel can be adjusted; thus, the method is suitable for workpieces with different sizes; the overlapped workpieces are moved to a second conveying device through a pushing device; the second conveying device conveys the superposed workpieces; the limiting device limits the conveyed workpiece; the jacking device jacks up the limited workpiece; the clamping and moving mechanism moves the workpiece to the accommodating piece; the slow descending mechanism drives the workpiece to move into the accommodating piece; thus realizing the automatic operation of stacking, conveying and packaging the workpieces; avoiding the abrasion of the workpiece.

Description

Workpiece packing method

Technical Field

The invention relates to the field of conveyors, in particular to a workpiece packing method.

Background

A product production line; products are often required to be conveyed after being stacked; the subsequent processing is convenient; in the prior art, products fall in a free-fall mode for superposition; the product has the spraying damage phenomena of fracture, edge breakage, scratch and the like, and the automation degree is low.

In Chinese application number 201721385142.X; a patent document with publication date of 2018.05.11 discloses a stacking and placing device of a fiberboard conveyor; the device is installed on a foundation; including transmission device, the indent is provided with the recess that is located transmission device one end on the ground, and recess basal plane is provided with first telescoping device, first telescoping device top is provided with the backup pad, the backup pad top is provided with the movable plate, recess front end and rear end correspond respectively and are provided with first door type frame and the second door type frame that is located on the ground, and second door type frame top interval articulates there are two V-arrangement baffles, first door type frame top interval articulates there is the second telescoping device that stretches out the end and be connected fixedly with the V-arrangement baffle.

But the device is used when overlaying fibreboards; one fiberboard cannot be accurately stacked on another fiberboard; the accuracy rate of the fiber board superposition is low; the position of the uppermost fiberboard needs to be corrected; meanwhile, friction force exists between the two superposed fiber boards; when a fiberboard is straightened; the corrected fiber board moves relative to the lower fiber board; the two fiber boards generate friction with each other; this easily causes wear of the fiberboard; the appearance of the fiberboard cannot be protected; meanwhile, the device can only realize the superposition of the fiber boards; the superposed fiber boards need to be manually moved to a stock area; it cannot convey the stacked fiberboard; the automation level is low.

Disclosure of Invention

The invention provides a workpiece packing method, which has high automation level for stacking, conveying and packing workpieces; can adapt to workpieces with different sizes, and avoids the abrasion of the workpieces in the packing process.

In order to achieve the purpose, the technical scheme of the invention is as follows: a workpiece packing method; the conveying system comprises: the device comprises a first conveying device, a superposition device, a second conveying device, a limiting jacking mechanism, a clamping moving mechanism and a packing device; the first conveying device is arranged close to one end of the second conveying device; the limiting jacking mechanism is arranged at the other end of the second conveying device; the packing device is arranged on one side of the second conveying device; the clamping and moving mechanism is positioned above the limiting jacking mechanism and the packing device; the stacking device is connected with the first conveying device and the second conveying device and arranged below the first conveying device.

The stacking device comprises a supporting mechanism, a guide structure and a pushing device; the supporting mechanism is positioned on one side of the pushing device; the guide structure is formed with a lamination channel with adjustable size; the laminated channel is positioned above the bearing mechanism and extends towards the bearing mechanism; the workpieces are stacked on the supporting mechanism along the guiding direction of the stacking channel; the pushing device pushes the superposed workpieces out to the second conveying device; the second conveying device is a roller conveying device; a blocking device is arranged on one side of the second conveying device far away from the bearing mechanism; the blocking piece device is provided with a baffle which is movably arranged.

The supporting mechanism comprises a first supporting device and a second supporting device; the first supporting device is connected with a first lifting driving device; the second supporting device is connected with a second lifting driving device; the first supporting device comprises a telescopic supporting plate; the telescopic supporting plate is connected with a telescopic driving device and a first supporting piece; the lamination channel is positioned above the first supporting piece; the second supporting device comprises a second supporting piece; the first bearing pieces and the second bearing pieces are alternately arranged; the first supporting piece and the second supporting piece are arranged in an interactive mode along the guiding direction of the lamination channel; the telescopic driving device drives the first supporting piece to be close to and far away from the lamination channel.

The limiting jacking mechanism comprises a limiting device and a jacking device; the limiting device comprises a first limiting driving device, a first limiting piece and a second limiting piece; the first limiting driving device drives the first limiting piece and the second limiting piece to synchronously move; the second limiting piece is connected with a second limiting driving device and a limiting telescopic device; the second limiting driving device drives the second limiting piece to move relative to the first limiting piece; the jacking device comprises a jacking driving device and a jacking piece; the jacking driving device is connected with the jacking piece; the jacking pieces and the rollers of the second conveying device are alternately arranged.

The clamping and moving mechanism comprises a moving device and a clamping device; the clamping device is arranged on the moving device; the clamping device is used for clamping a workpiece on the jacking device; the moving device drives the clamping device to reciprocate between the second conveying device and the packing device.

The packing device comprises a third conveying device and a slow descending mechanism; the third conveying device is used for conveying a packing assembly; the packaging assembly comprises a packaging platform and more than one accommodating piece; the packaging platform is provided with a first through hole; the accommodating piece is provided with a second through hole matched with the first through hole.

The slow descending mechanism is positioned below the third conveying device; the slow descending mechanism comprises more than two slow descending devices; the slow descending device comprises a slow descending piece; the slow descending piece is matched with the first through hole and the second through hole; the slow descending device drives the slow descending piece to penetrate through the first through hole and the second through hole and extend into the accommodating piece; the area of the second through hole is smaller than that of the workpiece.

The workpiece packaging method comprises the following steps:

(1) Presetting the size of the laminated channel, the position of the baffle, the distance between the first limiting device and the second limiting device, the distance between the two movable sliding rail assemblies and the distance between the two slow descending devices according to the size of a workpiece.

(2) Conveying the workpiece by the first conveying device; the workpiece enters the stacking channel and falls onto the first support.

(3) The first lifting driving device drives the first supporting piece to move downwards; stacking the workpieces on a first supporting piece; the first bearing member is adjacent to the second bearing member.

(4) The first support transfers the workpiece to the second support; then the second lifting driving device drives the second supporting piece to move downwards; the workpiece is superposed on the second supporting piece; meanwhile, the first supporting piece moves downwards at a speed faster than that of the second supporting piece; when the first supporting piece moves downwards to a limiting position; the telescopic driving device drives the first supporting piece to be far away from the lamination channel.

(5) When the second supporting piece moves downwards to a limiting position; the first conveying device stops conveying the workpiece; and the pushing device pushes the superposed workpieces to the second conveying device.

(7) The second conveying device conveys the superposed workpieces; the superposed workpieces approach to the limiting jacking mechanism.

(8) A stack of stacked workpieces approaches the first limit piece; when the first limiting piece detects the workpiece; the limiting telescopic device drives the second limiting piece to extend out; the other stack of superposed workpieces approaches to the second limiting part; the first limiting workpiece and the second limiting workpiece respectively limit the workpieces which are conveyed and overlapped on the second conveying belt in sequence.

(9) The jacking driving device drives the lifting; the jacking piece jacks up the superposed workpieces; and resetting the second limiting workpiece.

(10) Clamping the superposed workpieces by the clamping device; the third conveying device moves the accommodating piece without the workpiece to the upper part of the slow descending mechanism; and the moving device moves the superposed workpieces to the upper part of the accommodating piece.

(11) Extending out the slow descending part; the clamping device loosens the clamping of the workpiece; retracting the slow descending part; the slow descending piece drives the workpiece to enter the accommodating piece.

The method is characterized in that presetting is carried out according to the size of the workpiece; workpieces with different sizes can be packed; the application range is wide; downwards moving through the first supporting piece; stacking the workpieces on the first supporting piece along the stacking channel; the laminated channel is arranged corresponding to the size of the workpiece; the lamination channel guides the workpieces, and the workpieces which fall onto the first supporting piece and are superposed are aligned up and down; when the first supporting piece transfers the workpiece to the second supporting piece; the first supporting piece descends at a higher speed and then is far away from the lamination channel; preventing the workpiece transferred to the second bearing part from being transferred to the first bearing part again; the pushing device pushes the stacked workpieces to move on the second conveying device; sequentially limiting the moving workpiece through a first limiting piece and a second limiting piece; therefore, the two stacks of stacked workpieces can be limited at the same time; the working efficiency is high; after the jacking device jacks up, the clamping and moving mechanism moves the workpiece to the accommodating piece without the workpiece; the slow descending piece extends out to drive the workpiece to fall; the workpiece is prevented from falling into the accommodating part under the action of gravity to generate abrasion.

Further, the stacking device also comprises a sliding device; the sliding device is arranged at one end of the second conveying device far away from the jacking device; the sliding device comprises a sliding jacking device and a sliding bearing piece; the sliding bearing pieces and the rolling shafts of the second conveying device are alternately arranged; the sliding jacking device drives the sliding bearing piece and is movably arranged along the height direction of the second conveying device, and the sliding bearing piece and the second bearing piece are provided with pulleys.

A deviation correcting device is arranged between the sliding device and the jacking device; a deviation correcting device; is arranged at the other side of the second conveying device.

Further, the step (1) further comprises: and presetting the position of the deviation correcting plate according to the size of the workpiece.

Further, the step (5) is specifically as follows: when the second supporting piece moves downwards to a limiting position; the first conveying device stops conveying the workpiece; the pushing device pushes the superposed workpieces out of the sliding bearing piece; and a step (6) is also included between the step (5) and the step (7).

(6) The sliding jacking device drives the sliding bearing piece to move downwards; the workpieces stacked on the sliding bearing piece are transferred to a second conveying device.

By the method, the stacked workpieces can be stably moved onto the second conveying device, and the lowest layer of workpieces cannot be abraded with the contact surface in the moving process.

Further, step (5.1) is also included after step (5); (5.1) resetting the first supporting device and the second supporting device; and (5) superposing the workpieces conveyed on the first conveying device. In this way, the remaining workpieces on the first conveying device are superimposed.

Further, the step (11) further comprises the step that after the clamping device loosens the clamping of the workpiece; the moving device drives the clamping device to reset.

Further, in the step (10), the third conveying device moves the accommodating part without the workpiece to the upper part of the slow descending mechanism; the method specifically comprises the following steps: starting the third conveying device; moving the accommodating piece without the workpiece on the packaging platform to the position above the slow descending piece; the third conveyor then stops.

Drawings

Fig. 1 is a perspective view of a delivery system using the present invention.

Fig. 2 is a schematic perspective view of a stacking apparatus using the delivery system of the present invention.

Fig. 3 is an exploded view of a stacking device using the delivery system of the present invention.

Fig. 4 is a perspective view of a second guide device using the conveying system of the present invention.

Figure 5 is a perspective view of a second support means using the conveyor system of the present invention.

FIG. 6 is a schematic view of the positional relationship of a first support member and a second support member in a transport system using the present invention.

FIG. 7 is a top view of the second conveying device, the sliding device, the stopping device, the deviation correcting device and the limiting and jacking mechanism in the conveying system using the present invention.

FIG. 8 is a perspective view of a flight apparatus that utilizes the conveying system of the present invention.

FIG. 9 is a perspective view of a deviation rectifying device using the conveying system of the present invention.

Fig. 10 is a perspective view of a spacing device for use with the delivery system of the present invention.

Fig. 11 is a schematic view of a jacking device using the conveying system of the present invention.

Fig. 12 is a perspective view of a grip moving mechanism using the conveying system of the present invention.

Fig. 13 is an enlarged view of a in fig. 12.

Fig. 14 is an enlarged view of b in fig. 12.

FIG. 15 is a perspective view of the removal of a clamping strip using the clamping device of the delivery system of the present invention.

Fig. 16 is a top view of a baling device using the delivery system of the present invention.

Fig. 17 is a perspective view of a descent control mechanism using the conveyance system of the present invention.

FIG. 18 is a flow chart of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-18; a workpiece packing method; a delivery system; the device comprises a superposition device 1, a first conveying device 2, a second conveying device 3, a limiting jacking mechanism 4, a clamping moving mechanism 5 and a packing device 6; the first conveying device 2 is arranged close to one end of the second conveying device 3; the limiting jacking mechanism 4 is arranged at the other end of the second conveying device 3; the packing device 6 is arranged at one side of the second conveying device 3; the clamping moving mechanism 5 is positioned above the limiting jacking mechanism 4 and the packing device 6; the stacking device 1 connects the first conveying device 2 and the second conveying device 3, and is disposed below the first conveying device 2. The packing device 6 comprises a third conveying device 61; more than one group of packing components are conveyed on the third conveying device 61; the baling assembly includes a baling platform 62 and one or more receptacles 63. In the present embodiment, the first conveying device 2 and the second conveying device 3 are roller conveying devices; the first and second conveying devices 3 are prior art and will not be described in detail herein.

The stacking device 1 comprises a supporting mechanism 11, a guide structure and a pushing device 12; the supporting mechanism 11 is positioned at one side of the pushing device 12; the guiding structure comprises a first guiding means 131 and a second guiding means 132; the first guide 131 is provided on one side of the supporting mechanism 11; the second guide 132 is provided on the other side of the holding mechanism 11; a lamination passage with adjustable size is formed between the first guiding device 131 and the second guiding device 132; the laminated channel is positioned above the supporting mechanism 11 and extends towards the supporting mechanism 11; the workpieces are stacked on the supporting mechanism 11 along the guiding direction of the stacking channel; the pushing device 12 pushes out the superimposed workpieces to the second conveying device 3.

The supporting mechanism 11 comprises a supporting bracket, a first supporting device 113 and a second supporting device 114; the bearing bracket comprises an upper bearing bracket 111 and a lower bearing bracket 112; the support upper frame 111 is located above the support lower frame 112. In the present embodiment; the bearing upper bracket 111 is provided with four first bearing supporting pieces 1111 which extend downwards; the lower supporting bracket 112 is provided with four second supporting members 1121 extending upwards; the four first supporting supports 1111 are respectively provided with a first sliding block; the first sliding block is connected with a first sliding rail in a sliding manner; the first slide rail is arranged on the second supporting support 1121; a first rack 1124 is further mounted on one of the second supporting supports 1121.

A first lifting driving device 1112 is mounted on the supporting upper bracket 111; in this embodiment, the first lifting driving device 1112 is a driving motor; the output end of the first lifting driving device 1112 is connected with a first gear; the first gear is meshed with the first rack. The first lift driving device 1112 drives the first holding device 113 to move in the conveyance direction of the lamination path.

The support lower frame 112 further includes four third support legs 1122 extending upwardly; the four third supporting supports 1122 are respectively provided with a second slide rail; a second sliding block which slides is arranged on the second sliding rail; the second slider is connected with a fourth bearing support 1123; the second holding apparatus 114 comprises a second holding platform 1141; the second support platform is connected to a fourth support 1123. A second rack 1125 is arranged on the lower supporting frame 112; the second supporting platform 1141 is connected with a second lifting driving device 1142; in this embodiment, the second lifting driving device is a driving motor; the output end of the second lifting driving device 1142 is provided with a second gear; the second gear is engaged with a second rack 1125. The second elevation driving device 1142 drives the second supporting member 1144 to move along the conveying direction of the lamination passage.

The first support means 113 comprises a telescopic support plate 1131; the telescoping support plate 1131 is connected to three sets of first support members 1132; a set of first support members 1132 comprising more than two first support members 1133; the stack channel is located above the first support 1133; three sets of second support assemblies 1143 are provided on the second support platform; the second holder assembly 1143 comprises two or more second holders 1144; the first and

second supports

1133 and 1144 are alternately arranged; the first support 1133 drives the workpiece to approach the second support 1144, and transfers the workpiece to the second support 1144; the telescopic support plate 1131 is connected with a telescopic driving device 1134; the telescopic driving device 1134 is installed on the upper bearing bracket 111; the telescopic driving device is a cylinder. A telescopic drive 1134 drives the first support 1133 towards and away from the stack path. By providing three sets of a first holder assembly 1132 and a second holder assembly; the workpieces can be superposed at three stations simultaneously.

The workpiece entering the stacking channel drops onto the first support 1133; the first support 1133 moves along the conveying direction of the layer passage; controlling downward movement of the first support 1133; so that the first support member 1133 moves down only by the thickness of one workpiece each time it moves down; meanwhile, the first supporting piece 1133 and the second supporting piece are arranged alternately; when the first support 1133 is at the same level as the second support; the first support member 1133 and the second support member simultaneously support the workpiece; as the first support 1133 continues to move downward; transferring the workpiece to a second support; simultaneously, the telescopic driving device drives the first supporting piece 1133 to move away from the lamination channel; this does not affect the downward movement of the second bearing.

The ejector 12 includes an ejector cylinder and an ejector 121 connected to the ejector cylinder.

The first guide 131 comprises a first guide bracket; the first guide bracket is arranged on the supporting mechanism 11; three groups of first guide pieces are arranged on the first guide bracket; the set of first guide members includes two first guide bars 1311.

The second guide 132 includes a second guide bracket 1321 and a second guide link 1322; two second guide brackets 1321 are provided; a second guide bracket 1321 is installed at one side of the bearing lower bracket 112; the second guide link 1322 is connected between the second guide brackets 1321.

A guide driving device is connected between the second guide link 1322 and a second guide bracket 1321; the guide driving device comprises a third sliding block, a third sliding rail and a guide driving motor 1324; the third slide rail is arranged on a second guide bracket 1321; the third slider is connected to one end of the second guide link 1322. A third rack 1323 is arranged on the other second guide bracket 1321; the guide driving motor is connected with the other end of the second guide connecting rod 1322; the output end of the guide driving motor 1324 is provided with a third gear; the third gear is engaged with the third rack 1323. The guide driving device drives the second guide connecting rod 1322 to approach to and separate from the first guide member; three sets of second guides 1325 are provided on the second guide link 1322. The set of second guiding elements 1325 comprises two second guiding elements 1326. The second guide piece is driven to be close to or far away from the first guide piece by the guide driving device; the size of the laminated channel is adjusted.

The first guide bars 1311 and the first supports 1133 are alternately arranged; the second guide bars 1325 are alternately arranged with the first supporting pieces 1133; in the embodiment, the distance between two first guide rods with the longest distance in the group of first guide pieces is smaller than the length and the width of the workpiece; the length between two second guide rods with the longest distance in the group of second guide pieces is smaller than the length and the width of the workpiece. The device comprises a first guide rod, a second guide rod and a first supporting piece which are alternately arranged; thus avoiding mutual interference; meanwhile, the distance between the two first guide rods and the distance between the two second guide rods with the longest distance are both smaller than the length and the width of the workpiece; the workpiece is blocked; the workpiece can accurately enter the lamination channel.

The superimposing apparatus 1 further comprises a sliding means 14; the supporting mechanism 11 is positioned between the pushing device 12 and the sliding device 14; the sliding device 14 is arranged at one end of the second conveying device 3 far away from the jacking device 42; the sliding device 14 includes a sliding jack device (not shown in the figure) and a sliding support piece (not shown in the figure); the sliding jacking device is connected with the sliding support piece; three sets of sliding support member assemblies 141 are provided on the sliding support member.

One group of the sliding bearing component 141 is provided with more than one sliding bearing 142; a sliding support is arranged between the two rollers of the second conveyor 3; the sliding jacking device drives the sliding bearing piece 142 and is movably arranged along the height direction of the second conveying device 3; pulleys are arranged on the second bearing piece and the sliding bearing piece. The sliding jacking device is an air cylinder.

The sliding device 14 is movably arranged in the height direction of the second conveying device 3; when in use; the slide bearing rises above the second conveyor 3; the second bearing piece drives the workpiece to move downwards to the same horizontal plane with the sliding bearing piece; pushing the workpiece on the second supporting member to the sliding supporting member by the pushing-out device 12; then the sliding bearing piece moves downwards to the lower part of the second conveying device 3; thus moving the work onto the second conveyor 3; meanwhile, the sliding bearing piece is positioned below the second conveying device 3; the conveying of the second conveying device 3 is not influenced; meanwhile, the workpiece is convenient to move by arranging the pulley.

A stopper device 7 is arranged on one side of the second conveying device 3 far away from the supporting mechanism 11; the catch means 7 are located above the sliding means 14; a deviation correcting device 8 is arranged on one side of the second conveying device 3 close to the bearing mechanism 11; the deviation correcting device 8 is positioned between the sliding device 14 and the clamping jacking mechanism.

The catch device 7 includes a catch bracket 71 and a catch driving device 72; the catch bracket 71 is provided with a catch connecting rod 73; a fifth slide rail is arranged on one side of the stopper bracket 71; one end of the stopper bracket 71 is connected with a fifth slider; the fifth sliding block is arranged on the fifth sliding rail in a sliding manner; the other side of the stopper bracket 71 is provided with a fifth rack 74; the catch driving device 72 is connected to the other end of the catch support 71; in the present embodiment, the stopper driving device 72 is a driving motor. The output end of the stopper driving device 72 is connected with a fifth gear; the fifth gear is engaged with the fifth rack 74. The stopper bracket 71 has a stopper extending toward the slide 14. The shutter drive device 72 drives the shutter closer to and farther from the holding mechanism 11. The blocking piece device 7 is arranged to block the workpiece; when the pushing device pushes the workpiece to move; the workpiece is always positioned on the second conveying device 3; meanwhile, the baffle is movably arranged along the width direction of the two conveying devices; thus, the size of the workpiece can be adjusted; so that the work is held at the center position of the second conveyor 3;

the deviation correcting device 8 comprises a deviation correcting bracket 81, a deviation correcting plate 82 and a deviation correcting driving device; the deviation-rectifying driving device is arranged on the deviation-rectifying bracket 81; the deviation rectifying bracket 81 is hinged with one end of a deviation rectifying plate 82; the other end of the deviation correcting plate 82 is close to the center in the width direction of the second conveyor 3. The deviation rectifying driving device comprises a deviation rectifying connecting piece 83, a deviation rectifying moving piece 84 and a deviation rectifying driving motor 85; one end of the deviation rectifying connecting piece 83 is hinged with one end of the deviation rectifying plate 82 close to the second conveying device 3; the other end of the deviation rectifying connecting piece 83 is hinged with a deviation rectifying moving piece 84.

The output end of the deviation rectifying driving motor 85 is connected with a threaded shaft; the deviation rectifying moving member 84 is arranged on the threaded shaft in a penetrating mode and is in threaded fit with the threaded shaft. The deviation-rectifying drive motor 85 drives the deviation-rectifying plate to approach and move away from the second conveying device. By arranging the deviation rectifying device 8; when the workpiece moves on the second conveying device 3; the workpiece contacts the deviation correcting plate 82; so that the shifted workpiece is moved toward the center position of the second conveyor 3.

The limiting jacking mechanism 4 comprises a limiting device 41 and a jacking device 42; the stop device 41 is arranged on the side of the second conveying device 3 remote from the bale receptacle 6. The jacking device 42 is positioned below the second conveying device 3; and is movably arranged along the height direction of the second conveying device 3; the limiting device 41 is used for limiting the workpiece on the second conveying device 3; the jacking device 42 is used for jacking the limited workpiece.

The jacking device 42 comprises a jacking driving device 421 and a jacking support 422; the jacking driving device 421 is connected with the jacking supporting piece 422; two groups of jacking components 423 are arranged on the jacking support piece 422; a set of jacking assemblies 423 includes more than one jacking member 424; a jack 424 is arranged between the two rollers of the second conveyor 3. In this embodiment, the jacking driving device 421 is an air cylinder.

The limiting device 41 comprises a limiting bracket 411, a first limiting driving device 412, a limiting bearing plate 415, a first limiting device 413 and a second limiting device 414; the second limiting device 414 and the first limiting device 413 are arranged at intervals along the conveying direction of the second conveying device 3; the limit bearing plate 415 is installed at one end of the limit bracket 411 and is connected with the limit bracket 411 in a sliding manner; the first limit driving device 412 is installed at the other end of the limit bracket 411; the first limit driving device 411 is connected with the limit bearing plate 425; the first limiting device 413 is mounted on the limiting bearing plate 413; the second limiting device 414 is connected with a second limiting driving device 416; the second limit driving device 416 is installed on the limit bearing plate 415; the second position-limiting driving means 416 drives the second position-limiting means 414 to move in the same direction or in the opposite direction to the position-limiting carrier plate.

A fourth slide rail is arranged on the limiting bracket 411; the lower surface of the limiting bearing plate 415 is provided with a fourth sliding block; the fourth sliding block is arranged on the fourth sliding rail in a sliding manner; in this embodiment, the first limit driving device is a driving motor; the second driving device is a cylinder.

The output end of the first limit driving device 412 is connected with a threaded shaft; a limiting moving part (not shown in the figure) penetrates through the threaded shaft; the limiting moving piece is in threaded fit with the threaded shaft; the limiting moving piece is connected with the lower surface of the limiting bearing plate 415; the first position-limiting driving device 412 drives the first position-limiting device 413 and the second position-limiting device 414 to move synchronously. The first limiting device 413 comprises a first limiting member 417; the first stopper 417 is provided with a sensor for detecting a workpiece.

The second limiting device 414 comprises a second limiting member 418 and a limiting expansion device 419; the limit telescopic device 419 drives the second limit member 418 to move closer to or away from the second conveying device 3. In this embodiment, the limit expansion device is a cylinder.

The first limiting device 413 and the second limiting device 414 are driven to move simultaneously by the first limiting driving device; the second limiting device 414 is driven to move independently by a second limiting driving device; thereby enabling adjustment of the distance between the first limiting means 413 and the second limiting means 414; meanwhile, the second limiting device 414 and the first limiting device 413 are arranged at intervals along the conveying direction of the second conveying device 3; when the workpiece is limited, the second limiting piece is far away from the second conveying device 3; the first limiting device 413 limits the workpiece close to the second conveying device 3; then the second limiting piece is close to the second conveying device 3; the second limiting device 414 limits the workpiece approaching on the second conveying device 3.

The clamping moving mechanism 5 comprises a moving device 51 and a clamping device 52; the holding device 52 is mounted on the moving device 51; the clamping device 52 is used for clamping the jacked workpiece; the moving device 51 drives the gripping device 52 to reciprocate between the second conveying device 3 and the packing device 6.

The moving device 51 comprises a moving bracket 511 and a moving slide rail assembly 512; two groups of movable sliding rail assemblies 512 are arranged; the movable sliding rail component 512 is arranged on the movable bracket 5811;

the set of movable sliding rail assemblies 512 comprises a first movable support 5121, a second movable support 5122, a movable connecting rod 5123, a sliding connector 5124 and a sliding rail second driving device 514; the first moving support 5121 is provided at one side of the moving connection rod 5123; the lower surface of the first movable supporting member 5121 is provided with a first movable sliding rail.

The second moving support 5122 is provided at the other side of the moving connection rod 5123; the lower surface of the second movable supporting member 5122 is provided with a second movable sliding rail. The sliding connection 5124 connects the first moving support 5121, the second moving support 5122 and the moving connection rod 5123; sliding slide rail slide blocks are respectively arranged on the first movable slide rail and the second movable slide rail. A sliding rack 5125 is arranged on the movable connecting rod 5123; the output end of the second sliding rail driving device 514 is connected with a sliding rail driving gear; the slide rail drive is engaged with the slide rack 5125; the clamping device 52 is connected with the slide rail sliding block and the slide rail second driving device 514; the second driving means 514 of the slide rail drives the gripping means to reciprocate between the jacking means 42 and the baling means 6.

A sixth sliding rail 515 is arranged on the movable bracket 511; a sixth sliding block 516 is arranged on the sixth sliding rail 515; the first movable slide rail, the second movable slide rail and the movable connecting rod 5123 of one group of movable slide rail components are respectively connected with the sixth slide block 516; a first driving device 513 of a sliding rail is connected to the second moving support 5122 connected to the sixth sliding block 516.

The first slide rail driving device 513 includes a first slide rail driving motor 5131; the first sliding rail driving motor 5131 is connected with the sliding rail threaded shaft 5132; a sliding rail moving seat 5133 is arranged on the sliding threaded shaft 5132 in a penetrating way; the sliding rail moving seat 5133 is in threaded fit with the sliding rail threaded shaft 5132; the sliding rail moving seat 5133 is connected to the second moving support 5122. The first slide rail driving device 513 drives one set of movable slide rail assemblies to move closer to or away from the other set of movable slide rail assemblies.

A movable slide rail component corresponds to a clamping device; therefore, the workpiece can be clamped and moved simultaneously after being limited by the first limiting device 413 and the second limiting device 414; the working efficiency is high; the second driving device 514 of the slide rail drives the clamping device to move along the width direction of the packing platform; meanwhile, one group of movable sliding rail components is connected with a sliding rail first driving device; the two movable sliding rail components can be close to and separated from each other; the first driving device of the slide rail drives one of the clamping devices to move along the length direction of the packing platform; the size of the workpiece is arranged corresponding to the size of the accommodating piece; when the size of the accommodating piece is changed; the arrangement position of the accommodating piece on the packing platform can be changed; the distance between adjacent second through holes also changes; the moving device drives the clamping device to move along the width direction and the length direction of the packaging platform; workpieces of different sizes can be moved into the accommodating part.

In this implementation; the holding means 52 are provided in two sets. The clamping device 52 comprises a clamping support plate 521, a clamping support 522, a clamping piece 523 and a clamping driving device; one side of the clamping support plate 521 is connected with the slide rail slide block and the slide rail second driving device 514; the clamping bracket 522 and the clamping piece 523 are provided with two parts; the two clamping members 523 are located between the two clamping brackets 522; the clamping bracket 522 and the clamping support plate 521 are connected with a clamping connecting piece 526; a clamping connecting shaft 525 is connected between the two clamping brackets 522; the clamping connecting shaft 525 penetrates through the clamping piece 523 and is connected with the clamping connecting piece 526; the clamp driving device includes a first link 5241, a second link 5242, and a clamp driving cylinder 5243; one end of the first link 5241 is connected to a holding member 523; one end of the second link 5242 is connected to the other clamp 523; the other end of the first connecting rod 5241 and the other end of the second connecting rod 5242 are hinged with a clamping driving cylinder 5243; the clamping driving cylinder drives the two clamping members 523 to move close to and away from each other. The clamping driving cylinder is matched with the first connecting rod and the second connecting rod; the clamping driving cylinder extends out to drive the two clamping pieces 523 to approach; the holding and driving cylinder retracts to drive the two clamping pieces 523 to separate, and the structure is simple.

The packing platform 61 is provided with more than one first through hole; the receiving member 62 is provided with a second through hole 63 matching the first through hole. The areas of the first through hole and the second through hole are smaller than the area of the workpiece. So that the workpiece does not fall off from the first through-hole and the second through-hole. The packaging device 6 further comprises a slow descending mechanism 64; the descent control mechanism 64 is located below the third conveyor 61.

The third transport apparatus 61 includes a third transport holder 611; two third conveying brackets 611 are provided; a third conveying transmission shaft 612 is connected between the two third conveying brackets 611; the output end of the third conveying motor 613 is connected with a third conveying transmission shaft 612 through a synchronous belt 614; a conveying belt is arranged on the third conveying bracket 611; one end of the packing platform 62 is arranged on a conveyor belt; the other end of the baling platform 62 is disposed on another conveyor belt.

The slow descending mechanism comprises two slow descending devices; one slow descending device comprises a slow descending bracket 641, a slow descending supporting member 642 and a slow descending first driving device; a seventh sliding rail is arranged on one side of the slow descending support 641; a seventh sliding block is arranged on the seventh sliding rail in a sliding manner; the seventh slider is connected to one end of the slow descending supporting member 642.

The slow descending first driving device comprises a slow descending first driving motor 643; the slow descending first driving motor 643 is connected with a slow descending threaded shaft; a slow-descending moving piece penetrates through the slow-descending threaded shaft; the slow-descending moving piece is in threaded fit with the slow-descending threaded shaft; the slow descending moving member is connected to the other end of the slow descending supporting member 642. The first slow-descending driving device drives the slow-descending device to move along the width direction of the third conveying device.

The slow descending device also comprises a slow descending sliding device; the slow descending sliding device comprises a slow descending sliding bracket 644; an eighth slide rail is arranged on the slow descending slide bracket 644; an eighth sliding block is arranged on the eighth sliding rail in a sliding manner; one of the slow-descending brackets 641 is installed on the eighth sliding block and connected with a slow-descending second driving device 645; the slow descent second driving device 645 is identical in structure to the slow descent first driving device; the slow descent second driving device 645 drives one slow descent device to approach and separate from the other slow descent device. Adjusting the distance between the two slow descending devices according to the distance between the second through holes; so that the slow descending device is matched with the accommodating piece along the width direction and the length direction of the packing platform.

A slow descending piece 646 and a slow descending third driving device are arranged on the slow descending supporting piece 642; the slow descending third driving device is connected with the slow descending member 646; the descent control member 646 is matched with the first through hole and the second through hole; the slow descending third driving device drives the slow descending piece to penetrate through the first through hole and the second through hole and extend into the accommodating piece; in this embodiment, the third slow-descent driving device is an air cylinder.

The first conveying device 2 conveys the workpiece to the lamination channel; the workpieces entering the laminated channel are superposed under the action of gravity; providing a guiding function for the workpiece through the laminated channel; the workpieces are accurately superposed on the supporting mechanism 11; the phenomenon that a workpiece is offset when being stacked on a lower workpiece is avoided; meanwhile, the size of the laminated channel can be adjusted; thus, the method is suitable for workpieces with different sizes; the adjustment is convenient; the overlapped workpieces are moved to the second conveying device 3 through the pushing device 12; the second conveying device 3 conveys the superposed workpieces; the limiting device 41 limits the conveyed workpiece; the jacking device 42 jacks up the limited workpiece; the clamping and moving mechanism 5 moves the workpiece to the accommodating part; thus, the automatic operation of stacking, conveying and packaging the workpieces is realized.

Meanwhile, the device passes through a slow descending mechanism; the slow descending piece penetrates through the first through hole and the second through hole and extends into the accommodating piece; when a workpiece is placed in the accommodating part; the slowly-descending piece extends out and then retracts, so that the workpiece enters into the accommodating piece slowly; the abrasion caused by the fact that the accommodating part falls into the accommodating part under the action of self gravity is avoided.

As shown in fig. 18; the workpiece packaging method comprises the following steps:

(2) The first conveying device conveys the workpiece; the workpiece enters the stacking channel and falls onto the first support.

(3) The first lifting driving device drives the first supporting piece to move downwards; stacking the workpiece on a first supporting piece; the first bearing member is adjacent to the second bearing member.

(4) The first support transfers the workpiece to the second support; then the second lifting driving device drives the second supporting piece to move downwards; the workpiece is superposed on the second supporting piece; meanwhile, the first supporting piece moves downwards at a speed higher than that of the second supporting piece; when the first supporting piece moves downwards to a limiting position; the telescopic driving device drives the first supporting piece to be far away from the lamination channel.

(5) When the second supporting piece moves downwards to a limiting position; the first conveying device stops conveying the workpiece; the pushing device pushes the overlapped workpieces out of the sliding bearing piece.

(8) A stack of stacked workpieces approaches the first stop; when the first limiting piece detects the workpiece; the limiting telescopic device drives the second limiting piece to extend out; the other stack of superposed workpieces approaches to the second limiting part; the first limiting workpiece and the second limiting workpiece respectively limit the workpieces which are sequentially conveyed and overlapped on the second conveying belt.

(11) Extending out the slow descending part; the clamping device loosens to clamp the workpiece; retracting the slow descending part; the slow descending piece drives the workpiece to enter the accommodating piece.

The method is characterized in that presetting is carried out according to the size of the workpiece; workpieces with different sizes can be packed; the application range is wide; downwards moving through the first supporting piece; stacking the workpieces on the first supporting piece along the stacking channel; the lamination channel is arranged corresponding to the size of the workpiece; the laminated channel guides the workpieces, and the workpieces falling onto the first supporting piece are overlapped and aligned up and down; when the first supporting piece transfers the workpiece to the second supporting piece; the first supporting piece descends at a higher speed and then is far away from the lamination channel; preventing the workpiece transferred to the second bearing part from being transferred to the first bearing part again; the pushing device pushes out the laminated workpieces; the stacked workpieces can be stably moved onto the second conveying device, and the workpieces on the lowest layer cannot be abraded with the contact surface in the moving process; the stacked workpieces move on a second conveying device; sequentially limiting the moving workpiece through a first limiting part and a second limiting part; therefore, the two stacks of stacked workpieces can be limited at the same time; the working efficiency is high; when the jacking device jacks up, the clamping and moving mechanism moves the workpiece to the accommodating part where the workpiece is not placed; the slowly-descending piece extends out to drive the workpiece to fall; the workpiece is prevented from falling into the accommodating part under the action of gravity to generate abrasion.

The method comprises the following steps:

the step (1) further comprises: and presetting the position of the deviation correcting plate according to the size of the workpiece.

Step (5) is followed by step (5.1); (5.1) resetting the first supporting device and the second supporting device; and (5) superposing the workpieces conveyed on the first conveying device in the steps (2) and (5). In this way, the remaining workpieces on the first conveying device are superimposed.

In the step (4), the first supporting piece moves downwards to a limiting position, which specifically comprises the following steps: the first sliding block slides to the lowest end of the first sliding rail.

In the step (5), the second supporting piece moves downwards to a limiting position, which specifically comprises the following steps: the second slide block slides to the lowest end of the second slide rail.

In the step (10), the third conveying device moves the accommodating piece without the workpiece to the position above the slow descending mechanism; the method specifically comprises the following steps: starting the third conveying device; moving the accommodating piece without the workpiece on the packaging platform to the position above the slow descending piece; the third conveyor is then stopped.

The step (11) further comprises the step that after the clamping device loosens the clamping of the workpiece; the moving device drives the clamping device to reset.

Claims

1. A workpiece packing method; the method is characterized in that: the conveying system comprises: the device comprises a first conveying device, a superposition device, a second conveying device, a limiting jacking mechanism, a clamping moving mechanism and a packing device; the first conveying device is arranged close to one end of the second conveying device; the limiting jacking mechanism is arranged at the other end of the second conveying device; the packing device is arranged on one side of the second conveying device; the clamping and moving mechanism is positioned above the limiting jacking mechanism and the packing device; the stacking device is connected with the first conveying device and the second conveying device and arranged below the first conveying device;

the stacking device comprises a supporting mechanism, a guide structure and a pushing device; the supporting mechanism is positioned on one side of the pushing device; the guide structure is provided with a lamination channel with adjustable size; the laminated channel is positioned above the supporting mechanism and extends towards the supporting mechanism; the workpieces are stacked on the supporting mechanism along the guiding direction of the stacking channel; the pushing device pushes the superposed workpieces out to the second conveying device; the second conveying device is a roller conveying device; a blocking device is arranged on one side of the second conveying device far away from the bearing mechanism; the blocking piece device is provided with a baffle which is movably arranged;

the supporting mechanism comprises a first supporting device and a second supporting device; the first supporting device is connected with a first lifting driving device; the second supporting device is connected with a second lifting driving device; the first supporting device comprises a telescopic supporting plate; the telescopic supporting plate is connected with a telescopic driving device and a first supporting piece; the lamination channel is positioned above the first supporting piece; the second supporting device comprises a second supporting piece; the first bearing pieces and the second bearing pieces are alternately arranged; the first supporting piece and the second supporting piece are arranged in an interactive mode along the guiding direction of the lamination channel; the telescopic driving device drives the first supporting piece to be close to and far away from the lamination channel;

the limiting jacking mechanism comprises a limiting device and a jacking device; the limiting device comprises a first limiting driving device, a first limiting piece and a second limiting piece; the first limiting driving device drives the first limiting piece and the second limiting piece to synchronously move; the second limiting piece is connected with a second limiting driving device and a limiting telescopic device; the second limiting driving device drives the second limiting piece to move relative to the first limiting piece; the jacking device comprises a jacking driving device and a jacking piece; the jacking driving device is connected with the jacking piece; the jacking pieces and the rolling shafts of the second conveying devices are alternately arranged;

the clamping moving mechanism comprises a moving device and a clamping device; the clamping device is arranged on the moving device; the clamping device is used for clamping a workpiece on the jacking device; the moving device drives the clamping device to reciprocate between the second conveying device and the packing device;

the packing device comprises a third conveying device and a slow descending mechanism; the third conveying device is used for conveying the packing assembly; the packaging assembly comprises a packaging platform and more than one accommodating piece; the packaging platform is provided with a first through hole; the accommodating piece is provided with a second through hole matched with the first through hole;

the slow descending mechanism is positioned below the third conveying device; the slow descending mechanism comprises more than two slow descending devices; the slow descending device comprises a slow descending piece; the slow descending piece is matched with the first through hole and the second through hole; the slow descending device drives the slow descending piece to penetrate through the first through hole and the second through hole and extend into the accommodating piece; the area of the second through hole is smaller than that of the workpiece;

the workpiece packaging method comprises the following steps:

(1) Presetting the size of a laminated channel, the position of a baffle, the distance between a first limiting device and a second limiting device, the distance between two movable sliding rail assemblies and the distance between two slow descending devices according to the size of a workpiece;

(2) The first conveying device conveys the workpiece; the workpiece enters the laminating channel and falls onto the first supporting piece;

(3) The first lifting driving device drives the first supporting piece to move downwards; stacking the workpiece on a first supporting piece; the first supporting piece approaches to the second supporting piece;

(4) The first support transfers the workpiece to the second support; then the second lifting driving device drives the second supporting piece to move downwards; the workpiece is superposed on the second supporting piece; meanwhile, the first supporting piece moves downwards at a speed faster than that of the second supporting piece; when the first supporting piece moves downwards to a limiting position; the telescopic driving device drives the first supporting piece to be far away from the laminating channel;

(5) When the second supporting piece moves downwards to a limiting position; the first conveying device stops conveying the workpiece; the pushing device pushes the superposed workpieces to a second conveying device;

(7) Conveying the superposed workpieces by a second conveying device; the superposed workpieces approach to the limiting jacking mechanism;

(8) A stack of stacked workpieces approaches the first limit piece; when the first limiting piece detects the workpiece; the limiting telescopic device drives the second limiting piece to extend out; the other stack of superposed workpieces approaches to the second limiting part; the first limiting workpiece and the second limiting workpiece respectively limit the workpieces which are sequentially conveyed and superposed on the second conveyor belt;

(9) The jacking driving device drives the lifting; the jacking piece jacks up the superposed workpieces; resetting the second limiting workpiece;

(10) Clamping the superposed workpieces by the clamping device; the third conveying device moves the accommodating piece without the workpiece to the upper part of the slow descending mechanism; the moving device moves the superposed workpieces to the upper part of the accommodating part;

(11) Extending the slow descending part; the clamping device loosens to clamp the workpiece; retracting the slow descending part; the slow descending piece drives the workpiece to enter the accommodating piece.

2. A method of packing workpieces as defined in claim 1; the method is characterized in that: the stacking device also comprises a sliding device; the sliding device is arranged at one end of the second conveying device far away from the jacking device; the sliding device comprises a sliding jacking device and a sliding bearing piece; the sliding bearing pieces and the rolling shafts of the second conveying device are alternately arranged; the sliding jacking device drives the sliding bearing piece and is movably arranged along the height direction of the second conveying device; pulleys are arranged on the sliding bearing piece and the second bearing piece;

3. A workpiece packing method according to claim 2; the method is characterized in that: the step (1) further comprises: and presetting the position of the deviation correcting plate according to the size of the workpiece.

4. A workpiece packing method according to claim 2; the method is characterized in that: the step (5) is specifically as follows: when the second supporting piece moves downwards to a limiting position; the first conveying device stops conveying the workpiece; the pushing device pushes the superposed workpieces out of the sliding bearing piece; a step (6) is further included between the step (5) and the step (7);

5. A method of packing workpieces as defined in claim 1; the method is characterized in that: step (5) is followed by step (5.1); (5.1) resetting the first supporting device and the second supporting device; and (5) superposing the workpieces conveyed on the first conveying device in the steps (2) and (5).

6. A method of packing workpieces as defined in claim 1; the method is characterized in that: the step (11) also comprises the step that after the clamping device loosens the clamping of the workpiece; the moving device drives the clamping device to reset.

7. A workpiece packing method according to claim 1; the method is characterized in that: in the step (10), the third conveying device moves the accommodating piece without the workpiece to the position above the slow descending mechanism; the method specifically comprises the following steps: starting a third conveying device; moving the accommodating piece without the workpiece on the packaging platform to the position above the slow descending piece; the third conveyor is then stopped.