CN110255200B - Blank conveying and stacking equipment and blank conveying and stacking method - Google Patents
Blank conveying and stacking equipment and blank conveying and stacking method Download PDFInfo
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- CN110255200B CN110255200B CN201910578265.2A CN201910578265A CN110255200B CN 110255200 B CN110255200 B CN 110255200B CN 201910578265 A CN201910578265 A CN 201910578265A CN 110255200 B CN110255200 B CN 110255200B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 158
- 238000003825 pressing Methods 0.000 claims abstract description 156
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000013519 translation Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 3
- 230000007723 transport mechanism Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 7
- 238000012958 reprocessing Methods 0.000 abstract description 3
- 238000007731 hot pressing Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 18
- 239000011120 plywood Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G57/00—Stacking of articles
- B65G57/32—Stacking of articles characterised by stacking during transit
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Stacking Of Articles And Auxiliary Devices (AREA)
Abstract
The invention provides a blank conveying and stacking device and a blank conveying and stacking method. The blank conveying and stacking device comprises a main frame, a plate receiving mechanism and a pressing mechanism: the plate receiving table top of the plate receiving mechanism is used for receiving the cut blank plate; the pressing mechanism comprises a driving component and a pressing component for moving; the pressing assembly is used for pressing and clamping the blank plate; the transmission mechanism drives the pressing mechanism to move relative to the main frame so as to enable the pressing mechanism to move towards the table top of the plate, and enable the pressing mechanism to clamp the blank plate in a pressed state to move to the blank plate stacking position. According to the technical scheme, the layering stability among the veneer layers forming the blank is effectively improved, the consistency of the overall thickness of the blank is improved, the damage to the edges and the thickness of the blank is effectively reduced in the subsequent cold pressing and hot pressing processes, and the times and the degree of reprocessing and repairing are reduced, so that the material utilization rate is improved, the energy is saved, and the production efficiency is improved.
Description
Technical Field
The invention relates to the field of plywood manufacturing, in particular to a blank conveying and stacking device and a blank conveying and stacking method.
Background
At present, in the conveying and stacking process of the assembly line type blank conveying and stacking equipment commonly used in container floors and thicker plywood manufacturing enterprises, blanks are in an unconstrained state and are easily affected by equipment vibration and unstable operation to generate the conditions of collision dislocation between blank veneer layers, blank scattering or core separation and core overlapping of edge veneers. Particularly, in the process of sawing, plate taking, conveying and stacking, the veneer blank plate with super-thick thickness and more layers has more inclined, misplaced and single-plate core-separating conditions, and generally adopts a manual correction method, so that the time is wasted, the efficiency is reduced, and the quality of the glued veneer plate is influenced.
In the stacking process of the blank plates by using the belt type conveying equipment, the blank plates are easy to fall, and the conditions of staggered layers, inclined side surfaces, misplacement of patches, irregular edges of materials and loose collapse are easily generated. The reserved processing allowance of the blank plate is forced to be increased, so that the subsequent processing is not facilitated, the material is wasted, the cost is increased, and the manufacturing management concept of saving and lean is overcome.
Disclosure of Invention
An object of the present invention is to improve the level stability between the veneer layers of a pallet during transport and stacking of the pallet.
In order to solve the technical problems, the invention adopts the following technical scheme:
According to one aspect of the present invention, a pallet transport stacking apparatus is provided. The blank conveying and stacking device comprises a main frame, a plate receiving mechanism and a pressing mechanism: the plate receiving mechanism is provided with a plate receiving table top which is used for receiving the cut blank plate, and the blank plate comprises a plurality of layers of single plates after glue is distributed; the pressing mechanism is arranged on the main frame; the pressing mechanism comprises a driving assembly and a pressing assembly movement driven by the driving assembly; the pressing assembly is used for pressing and clamping the blank plate; the transmission mechanism is arranged on the main frame and is in driving connection with the pressing mechanism, and the transmission mechanism drives the pressing mechanism to move relative to the main frame so as to enable the pressing mechanism to move towards the surface of the plate receiving table and enable the pressing mechanism to clamp the blank plate in a pressed state to move to the blank plate stacking position.
Optionally, the blank conveying and stacking apparatus further comprises a control mechanism:
The control mechanism is connected with and controls the pressing mechanism and the transmission mechanism.
Optionally, the suppression subassembly includes the transport support, and all with transport support swing joint's top board and layer board hook, the top board with layer board hook encloses jointly and closes and form the suppression space that is used for the holding the base board, in order to follow the top of base board, bottom, lateral part are pressed jointly the base board.
Optionally, the pallet hook comprises a side pressure part and a bottom support part which are arranged at an included angle; the side pressure portion is used for propping against the side edge of the blank plate, and the bottom supporting portion is used for supporting the bottom of the blank plate.
Optionally, the plurality of support bottoms are distributed at intervals along the extending direction of the side part of the table top of the connecting plate;
the plate-connecting table top is provided with a plurality of abdication through grooves which are arranged at intervals along the extending direction of the side part of the plate-connecting table top, and the plurality of abdication through grooves correspondingly pass through the bottom of the support.
Optionally, the driving assembly includes a first driving source installed on the conveying support, and a driving end of the first driving source is fixedly connected with the upper pressing plate, so as to drive the upper pressing plate to move up and down relative to the conveying support.
Optionally, the driving assembly further includes a second driving source installed on the conveying support, and a driving end of the second driving source is fixedly connected with the pallet hook, so as to drive the pallet hook to approach the pallet from the lateral part of the pallet.
Optionally, the transmission mechanism comprises a lifting transmission assembly and a translation transmission assembly;
the lifting transmission assembly drives the pressing mechanism to lift so that the pressing mechanism is close to or far away from the plate connecting table top in the vertical direction, and the pressing mechanism is close to or far away from the blank stacking position in the vertical direction;
the translation transmission assembly drives the pressing mechanism to translate so that the pressing mechanism moves horizontally towards or away from the blank stack.
Optionally, the lifting transmission assembly includes at least two vertical tracks fixed on the main frame and located at the side of the table top of the plate, and a third driving source connected with the pressing mechanism; and the third driving source drives the pressing mechanism to move along the vertical guide rail.
Optionally, the transfer mechanism includes a translational transfer assembly;
The translation transmission assembly comprises at least two transverse tracks fixed on the main frame and extending along the stacking direction of the blank plates, and a fourth driving source for driving the pressing mechanism to move along the transverse tracks; the transverse rail is connected with the vertical rail to form an integral rail for movement of the pressing mechanism.
Optionally, the plate connecting mechanism comprises a bracket, a plurality of travelling wheels positioned at the bottom of the bracket, and a fifth driving source for driving the travelling wheels to roll;
the support supports the board receiving table.
According to another aspect of the present invention, there is provided a method of pallet transporting a stack, the method of pallet transporting a stack comprising the steps of:
Receiving the cut blank from the blank cutting station;
pressing a blank from above, below, and at least two sides of the blank;
while maintaining the pressed blank in a pressed state, the blank is transported to a blank stack.
In this scheme, pressing mechanism can be for the main frame removes under transmission mechanism's drive, after the fishplate bar mesa of fishplate bar mechanism received the blank after the cutting is accomplished, pressing mechanism whole can move to be close to the blank on the fishplate bar mesa, later pressing assembly in the pressing mechanism suppresses the blank under driving assembly's drive, in order to fix a position between the veneer layer of blank, prevent shift, the staggered floor between them. After the blank is pressed by the pressing assembly, the pressing assembly keeps the pressing state of the blank under the control of the driving assembly, the blank clamped in the pressing state by the integral pressing mechanism moves to the stacking position of the blank under the control of the conveying mechanism, the blank is stacked, and after the stacking operation is finished, the pressing assembly releases the pressing of the blank under the control of the driving assembly. Therefore, it can be seen that in the whole conveying process, the blank conveying and stacking device in the embodiment always keeps the blank in a pressing state in the conveying and stacking process, so that the dislocation between the blank veneer layers, the edge superposition, core separation and collapse of the blank veneer layers, are effectively avoided, the layer stability between the blank veneer layers and the consistency of the whole thickness of the blank are effectively improved, the damage to the edges and the thickness of the blank and the reduction of the times and the degree of reprocessing and repairing are effectively reduced in the subsequent processing, the material utilization rate is favorably improved, the energy is saved, and the production efficiency is improved.
Drawings
FIG. 1 is a side view of an embodiment of the pallet transport stacking apparatus of the present embodiment applied to a plywood assembly line;
FIG. 2 is a side view of a portion of the structure of the blank transporting and stacking apparatus of FIG. 1;
FIG. 3 is a top plan view of a portion of the blank transporting and stacking apparatus of FIG. 1;
FIG. 4 is a side view of the fishplate bar mechanism and partial compression mechanism of FIG. 2 from another perspective;
fig. 5 is a top view of the pallet deck.
The reference numerals are explained as follows:
1. Conveying the stacking device;
10. A main frame;
20. A plate receiving mechanism; 21. a plate receiving table top; 211. a yielding through groove; 22. a bracket; 23. a walking wheel;
30. A pressing mechanism; 31. a conveying support; 32. an upper press plate; 33. a pallet hook; 331. a side pressure part; 332. a support bottom; 34. a first driving source; 35. a second driving source;
40. a transmission mechanism; 41. lifting the transmission assembly; 42. a translational transport assembly; 421. a transverse rail;
2. A saw plate platform; 3. a preformer; 4. paving a platform; 5. tensioning a tail frame; 6. and a track of the plate receiving mechanism.
Detailed Description
Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It will be understood that the invention is capable of various modifications in various embodiments, all without departing from the scope of the invention, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the invention.
For the purpose of further illustrating the principles and structure of the present invention, preferred embodiments of the invention will now be described in detail with reference to the accompanying drawings.
The embodiment of the invention provides blank conveying and stacking equipment which is used for conveying and stacking blanks. Referring to fig. 1, the blank is a sized blank formed after sawing in a production line, and the blank includes a plurality of layers of veneers after glue dispensing.
Referring to fig. 2 to 4, the pallet conveying and stacking apparatus of the present embodiment includes a main frame 10, a pallet receiving mechanism 20, a pressing mechanism 30, and a conveying mechanism 40. The plate receiving mechanism 20 is provided with a plate receiving table 21, and the plate receiving table 21 is used for receiving the blanks after cutting; the pressing mechanism 30 is mounted on the main frame 10; the pressing mechanism 30 includes a driving assembly, and a pressing assembly movement driven by the driving assembly; the pressing assembly is used for pressing and clamping the blank plate; the transmission mechanism 40 is mounted on the main frame 10 and is in driving connection with the pressing mechanism 30, and the transmission mechanism 40 drives the pressing mechanism 30 to move relative to the main frame 10 so as to enable the pressing mechanism 30 to move towards the pallet table 21 and enable the pressing mechanism 30 to clamp the blanks in the pressed state to move to the blank stacking position.
In this scheme, because the pressing mechanism 30 is driven by the transmission mechanism 40 and can move relative to the main frame 10, when the pallet table 21 of the pallet mechanism 20 receives the cut pallet, the pressing mechanism 30 moves as a whole to approach the pallet on the pallet table 21, and then the pressing assembly in the pressing mechanism 30 presses the pallet under the driving of the driving assembly, so as to position the veneer layers of the pallet and prevent displacement and dislocation between the veneer layers. After the pressing assembly presses the blank, the pressing assembly keeps the pressing state of the blank under the control of the driving assembly, the blank clamped in the pressed state by the integral pressing mechanism 30 moves to the blank stacking position under the control of the conveying mechanism 40, the blank is stacked, and after the stacking operation is completed, the pressing assembly releases the pressing of the blank under the control of the driving assembly. Therefore, it can be seen that in the whole conveying process, the blank conveying and stacking device in the embodiment always keeps the blank in a pressed state in the conveying and stacking process, so that the dislocation between the single plate layers of the blank and the situations of overlapping, core separation and collapse of the single plate edges of the blank are effectively avoided, the layer stability between the single plate layers of the blank is effectively improved, the consistency of the whole thickness of the blank is improved, the damage to the edges and the thickness of the blank is effectively reduced, the times and the degree of reprocessing and repairing are reduced in the subsequent processing, the material utilization rate is improved, the energy is saved, and the production efficiency is improved.
Referring to fig. 2 to 4, in the present embodiment, the board receiving mechanism 20 includes a bracket 22 connected to the board receiving table 21, a plurality of travelling wheels 23 located at the bottom of the bracket 22, and the bracket 22 is used for supporting the board receiving table 21. Specifically, the specific mechanism of the support 22 is not specifically limited herein, and at least three traveling wheels 23 are provided, preferably, four traveling wheels 23 are provided, and a connecting line between the four traveling wheels 23 is square, so as to improve stability of the support 22.
In this embodiment, in order to achieve automation between the whole assembly lines and reduce labor. In this embodiment, the plate receiving mechanism 20 further includes a fifth driving source for driving the road wheels 23 to roll. The fifth drive source may be a drive motor, and a transmission mechanism connected between the drive motor and the road wheels 23. The transmission may include a linkage shaft that is coupled to the road wheel 23, and in a specific embodiment, a motor shaft is fixedly coupled to the linkage shaft, such that the linkage shaft moves the road wheel 23 along the track of the web mechanism 20.
On the production line, the pallet receiving mechanism 20 can be controlled to receive the cut pallet at the pallet cutting position, the cut pallet can be moved onto the pallet receiving table 21 by the pushing mechanism or manual pushing, and then the pallet receiving mechanism 20 supports the pallet to start moving until the pallet moves to the lower side of the pressing mechanism 30, and the to-be-pressed mechanism 30 moves downwards to press the pallet. And when the pressing mechanism 30 holds the blank off the blank table 21, the blank receiving mechanism 20 may return to the blank cutting position to wait for receiving the next cut blank.
Referring to fig. 2 to 4, in the present embodiment, the pressing mechanism 30 is integrally suspended on the main frame 10 and can move up and down relative to the main frame 10. When the pallet supporting mechanism 20 supports the pallet to move below the pressing mechanism 30, the pressing mechanism 30 is driven by the transmission mechanism 40 to move downwards for a distance to approach the pallet, and then the pressing assembly presses the pallet under the driving of the driving assembly.
In this embodiment, the pressing assembly includes a conveying bracket 31, and an upper pressing plate 32 and a pallet hook 33 both movably connected to the conveying bracket 31, where the upper pressing plate 32 and the pallet hook 33 enclose together to form a pressing space for accommodating the blank, so as to jointly press the blank from the top, bottom, and side of the blank.
The upper platen 32 and the pallet hooks 33 may have various configurations. In one embodiment, the top and side portions of the blank may be pressed by upper platen 32, and the bottom of the blank may be held by pallet hooks 33 and engaged with upper platen 32 to press the blank in the thickness direction of the blank. In this embodiment, the upper pressing plate 32 is used for pressing the top surface of the blank, and the pallet hook 33 includes a side pressing portion 331 and a bottom supporting portion 332 that are disposed at an angle to each other; the side pressing part 331 is used for abutting against the side surface of the blank, and the supporting bottom part 332 is used for supporting the bottom surface of the blank.
Specifically, the shape of the upper pressing plate 32 in the embodiment corresponds to the shape of the blank, when the shape of the blank is square, the shape of the upper pressing plate 32 is also approximately square, and the area of the pressing plate is slightly larger than or equal to that of the blank, so that the upper pressing plate 32 can press the edge of the blank, and the edge of the blank is prevented from collapsing. In order to reduce the weight of the upper pressing plate 32, the upper pressing plate 32 comprises an upper pressing frame and a pressing rod fixedly connected in the frame, the pressing rod can press the top surface of the blank together with the upper pressing frame, and compared with the upper pressing plate 32 which is in a solid plate shape, the upper pressing plate 32 of the embodiment can reduce the material consumption, thereby reducing the weight of the upper pressing plate 32.
Referring to fig. 2 to 5, further, a plurality of supporting bases 332 are provided and are distributed at intervals along the extending direction of the side portion of the board table 211; the plate table 211 is provided with a plurality of relief grooves 211 arranged at intervals along the extending direction of the side part thereof, and the plurality of relief grooves 211 correspondingly pass through the bottom 332.
In one embodiment, the side pressing portions 331 are plate-shaped, and one side pressing portion 331 is connected to a plurality of supporting base portions 332 at the same time, and each supporting base portion 332 can correspondingly pass through one yielding through slot 211; the lateral pressure portion 331 may be provided with a large width by extending in the extending direction of the side portion of the board surface in correspondence with the width direction of the lateral pressure portion 331.
In another embodiment, there are a plurality of side pressure portions 331, and the plurality of side pressure portions 331 are connected to the plurality of base portions 332 in a one-to-one correspondence. At this time, one side pressure portion 331 is correspondingly connected to one base portion 332 to form an L-shaped claw, so that the base plate hook 33 is composed of a plurality of L-shaped claws. The L-shaped fingers will first move horizontally closer to the pallet until the side pressure 331 abuts against the side of the pallet, the bottom support 332 is below the bottom of the pallet, and then the L-shaped fingers go from bottom to top, pass through the pallet 21 along the relief slot 211 on the side of the pallet 21, thereby contacting the bottom of the pallet and supporting the pallet off the pallet 21.
Referring to fig. 2 and 4, the driving assembly in the present embodiment includes a first driving source 34 and a second driving source 35. The first driving source 34 and the second driving source 35 are mounted on the conveying bracket 31 of the pressing assembly.
The driving end of the first driving source 34 is connected to the upper platen 32, so as to drive the upper platen 32 to move up and down relative to the conveying frame 31. The first driving source 34 may be a motor, and a transmission assembly provided between a driving shaft of the motor and the upper platen 32. In the present embodiment, the first driving source 34 is a cylinder. The piston shaft of the cylinder is fixedly connected with the side of the upper pressing plate 32 facing away from the plate connecting mechanism 20. The piston shaft can move up and down, thereby driving the upper platen 32 to move up and down.
When the pallet carrying mechanism 20 moves to the lower side of the pressing mechanism 30, the pressing mechanism 30 is first moved downward by a certain distance and then stopped. Subsequently, under the action of the air cylinder, the piston shaft pushes the upper pressing plate 32 to move downwards alone, so that the upper pressing plate 32 presses the top surface of the blank, thereby positioning the relative positions between the single-layer plates in the blank and preventing the blank from shifting and staggering.
The driving assembly further comprises a second driving source 35 mounted on the conveying support 31, and the driving end of the second driving source 35 is connected with the pallet hook 33 to drive the pallet hook 33 to approach the pallet from the side of the pallet.
The second driving source 35 may be a motor driving mechanism, that is, a motor, a gear fixedly connected to a shaft of the motor, and a chain meshed with the gear, wherein the chain is wound in a long strip shape and extends in a horizontal direction, and the chain may be directly or indirectly connected to the pallet hook 33, so that the pallet hook 33 may be moved in the horizontal direction by the driving of the chain.
In one embodiment, the base plate is unhooked at least in two and opposite positions. The two pallet hooks 33 are correspondingly positioned at two sides of the blank, and the second driving source 35 drives the pallet hooks 33 to move along the horizontal direction, so that the two pallet hooks 33 move from two sides of the blank toward the blank until the sides of the blank are pressed or abutted.
The two base hooks can be independently driven by a second driving source 35 to horizontally move. In another embodiment, to reduce the use of parts and to avoid the mismatching of the two second drive sources 35, the two pallet hooks 33 cannot simultaneously compress the sides of the blank. In this embodiment, two pallet hooks 33 are driven to move simultaneously by one driving source. Specifically, since the chain is in a long strip shape, two bottom plate unhooks are fixedly connected with two opposite sides of the chain, so that the relative movement of the two bottom plate hooks 33 can be realized. I.e., simultaneously toward the sides of the blank to hold the blank while moving in a direction away from the blank to release the blank.
Referring to fig. 2 to 4, the entire pressing mechanism 30 is moved by means of the transfer mechanism 40. The overall movement of the pressing mechanism 30 includes the following stages: when the pallet carrying mechanism 20 moves to the lower side of the pressing mechanism 30, the transmission mechanism 40 drives the pressing mechanism 30 to move downwards until the pallet hooks 33 are located at the lower side of the pallet, the transmission mechanism 40 drives the whole pressing mechanism 30 to ascend, at this time, the pallet hooks 33 and the upper pressing plate 32 clamp the pallet to move together, then the transmission mechanism 40 drives the whole pressing mechanism 30 to move horizontally to the upper side of the stacking position of the pallet, further drives the pressing mechanism 30 to move downwards again, and after the former pallet is stacked and loosened, the transmission mechanism 40 drives the whole pressing mechanism 30 to return in the original way again so as to press the next pallet.
The transfer mechanism 40 includes a lifting transfer assembly 41; the elevation transport assembly 41 includes a vertical rail fixed to the main frame 10, and a third driving source connected to the pressing mechanism 30; the third driving source drives the pressing mechanism 30 to move along the vertical guide rail.
The transport mechanism 40 includes a translational transport assembly 42; the translation transmission assembly 42 includes a transverse rail 421 fixed to the main frame 10 and communicating with the vertical rail, and a fourth driving source connected to the pressing mechanism 30; the fourth driving source drives the pressing mechanism 30 to move along the lateral guide rail.
In an embodiment, the main frame 10 includes a vertical support column, which may be provided as a vertical rail, and a lateral support column, which is a lateral rail 421. The vertical rail and the lateral rail 421 may have the same structure, and both the vertical rail and the lateral rail 421 may be in a groove shape.
The third driving source and the fourth driving source may adopt the same driving structure. The connection structure of the third drive source and the vertical rail and the pressing mechanism 30 will be described as an example. In this embodiment, the third driving source includes the motor, with the axle fixed connection's of motor gear to and the chain with gear engagement, the chain holding is in vertical track, and arranges along vertical track. When the gears rotate, the chains can move along the vertical tracks. The chain may be connected to the conveying support 31 of the pressing mechanism 30 directly or through another gear.
In order to maintain stability of the pressing mechanism 30 during the ascent, at least two joints, preferably 4 joints with square lines, are provided at the top of the conveying frame 31. Therefore, four vertical guide rails are correspondingly arranged on the main frame 10, each guide rail is internally provided with a chain capable of moving along the up-down direction, the four vertical guide rails are correspondingly arranged at four connecting positions, and the chains in the four vertical guide rails are correspondingly fixedly connected with one connecting position, so that the whole pressing mechanism 30 is driven to move up and down by driving the conveying support 31 to move up and down under the driving of the four chains.
In this scheme, two parallel transverse rails 421 may be provided, two transverse rails may be provided with a chain respectively, and the chain in each rail may be directly or indirectly connected to two joints at the top of the conveying support 31. As the chain moves in the horizontal direction, the conveying bracket 31 can move back and forth in the horizontal direction with respect to the main frame 10.
Based on the above embodiment, the blank conveying and stacking apparatus further includes a control mechanism; the control mechanism is connected with and controls the plate connecting mechanism 20, the pressing mechanism 30 and the transmission mechanism 40. It can be understood that the control mechanism is connected with the power sources of the plate-receiving mechanism 20, the pressing mechanism 30 and the transmission mechanism 40, and the working states of the driving sources are uniformly coordinated and allocated, so that the operation rhythms of the plate-receiving mechanism 20, the pressing mechanism 30 and the transmission mechanism 40 are controlled to be synchronous, and the production efficiency is improved. The control means is preferably a PLC control system. The existing PLC control system can be applied to this embodiment, and will not be described here again.
In order to ensure the stable operation of the whole blank conveying and stacking device, collision between blanks can not be generated in the process of conveying and stacking the blanks, so that the next blank is always out of the operation area range of the current blank in the process of pressing and lifting the current blank. Meanwhile, the pressed blank plate does not influence the shape of the blank plate which is already stacked in the conveying and stacking process.
Referring to fig. 1, the blank conveying and stacking apparatus of the present embodiment may be applied to a plywood assembly production line, particularly a thicker plywood assembly, and the concrete plywood assembly production line includes a tensioning tailstock 5, an auxiliary table 4, a preformer 3, a saw plate platform 2, and a blank conveying and stacking apparatus 1, which are sequentially connected. The auxiliary platform 4 is a running water platform, and the tensioning tail frame 5 is used for tensioning a belt on the running water platform and adjusting the running stability of the auxiliary platform 4. The original blank is conveyed to the prepress 3 through the auxiliary table 4 for prepressing, then is conveyed to the saw plate platform 2 for cutting to form a sizing blank, the cut sizing blank is conveyed to the plate receiving mechanism 20 and then is pressed by the pressing mechanism 30, and the conveying mechanism 40 conveys the pressing mechanism 30 to the blank stacking position together with the blank in the pressed state.
The embodiment of the invention also provides a method for conveying and stacking the blank plates, which comprises the following steps:
Receiving the cut blank from the blank cutting station;
Respectively pressing blank plates from the upper side, the lower side and at least two sides;
The state of pressing the blank is maintained, and the blank is conveyed to the blank stacking position.
The method of pallet transport stacking in the present embodiment can be realized by the pallet transport stacking apparatus described above. Specifically, firstly, after the blanks are cut, the blanks are pushed onto the plate table surface 21 of the plate receiving mechanism 20, and the plate receiving mechanism 20 carries the independent blanks to move below the pressing mechanism 30. Then, the whole pressing plate mechanism moves down for a certain distance to approach the blank, and then the upper pressing plate 32 descends, the blank is pressed from above, the blank is prevented from shifting and staggering, then the pallet hooks 33 press the blank from the left side and the right side, the blank is driven to ascend under the common clamping of the upper pressing plate 32 and the pallet hooks 33, and the blank with the pressed upper, lower, left and right sides is lifted from the pallet table surface 21. Thereafter, the pallet mechanism 20 returns to the original position, and the pallets pressed up, down, left, right, and the like are sequentially moved to the pallet stacking position along the vertical rails, the lateral rails 421 of the transfer mechanism 40 with the pressing mechanism 30 to be stacked. In the processes of assembly and stacking, the edges of the orderly and regular blanks ensure the reduction of the machining allowance of subsequent finished products, so that the material utilization rate is improved, the cost is reduced, after the stacking is finished, the pallet hooks 33 and the upper pressing plate 32 are withdrawn successively, and the pressing mechanism 30 moves back to the original state and enters the next operation cycle.
While the invention has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A pallet transport stacking apparatus, comprising:
a main frame;
the plate receiving mechanism is provided with a plate receiving table top, the plate receiving table top is used for receiving the cut blank plate, and the blank plate comprises a plurality of layers of single plates after glue is distributed;
The pressing mechanism is arranged on the main frame; the pressing mechanism comprises a driving assembly and a pressing assembly driven by the driving assembly; the pressing assembly comprises a conveying bracket, an upper pressing plate and a supporting plate hook which are both movably connected with the conveying bracket, and the upper pressing plate and the supporting plate hook are jointly enclosed to form a pressing space for accommodating the blank; the pressing component is used for jointly pressing and clamping the blank plate from the top, the bottom and the side parts of the blank plate on the plate connecting table top;
The transmission mechanism is arranged on the main frame and is in driving connection with the pressing mechanism, and the transmission mechanism drives the pressing mechanism to move relative to the main frame so as to enable the pressing mechanism to move towards the plate receiving table surface and enable the pressing mechanism to clamp the blank plate in a pressed state to move to a blank plate stacking position;
And the control mechanism is connected with and controls the pressing mechanism and the transmission mechanism.
2. The pallet transport stacking apparatus of claim 1 wherein said pallet hooks include side pressure portions and pallet bottom portions disposed at an angle to each other; the side pressure portion is used for propping against the side edge of the blank plate, and the bottom supporting portion is used for supporting the bottom of the blank plate.
3. The pallet transport stacking apparatus of claim 2 wherein said pallet base has a plurality of pallet bases spaced apart along said pallet deck side extension;
The plate-connecting table top is provided with a plurality of abdication through grooves which are arranged at intervals along the extending direction of the side part of the plate-connecting table top, and the abdication through grooves are correspondingly provided for a plurality of support bottoms to pass through.
4. The pallet transport stacking apparatus of claim 1 wherein the drive assembly includes a first drive source mounted on the transport carriage, the drive end of the first drive source being fixedly connected to the upper platen to drive the upper platen to move in an up-down direction relative to the transport carriage.
5. The pallet transport stacking apparatus of claim 1 wherein the drive assembly further comprises a second drive source mounted on the transport carriage, the drive end of the second drive source being fixedly connected to the pallet hooks to drive the pallet hooks from the sides of the pallet adjacent the pallet.
6. The blank transporting and stacking apparatus of claim 1 wherein said transport mechanism comprises a lift transport assembly and a translation transport assembly;
the lifting transmission assembly drives the pressing mechanism to lift so that the pressing mechanism is close to or far away from the plate connecting table top in the vertical direction, and the pressing mechanism is close to or far away from the blank stacking position in the vertical direction;
the translation transmission assembly drives the pressing mechanism to translate so that the pressing mechanism moves horizontally towards or away from the blank stack.
7. The pallet transport stacking apparatus of claim 6 wherein the elevation transport assembly includes at least two vertical rails fixed to the main frame and located on sides of the pallet deck, and a third drive source connected to the pressing mechanism; and the third driving source drives the pressing mechanism to move along the vertical guide rail.
8. The blank transport stacking apparatus of claim 7, wherein the transport mechanism comprises a translating transport assembly;
The translation transmission assembly comprises at least two transverse tracks fixed on the main frame and extending along the stacking direction of the blank plates, and a fourth driving source for driving the pressing mechanism to move along the transverse tracks; the transverse rail is connected with the vertical rail to form an integral rail for movement of the pressing mechanism.
9. The pallet transport stacking apparatus of claim 1 wherein the pallet mechanism comprises a frame, a plurality of road wheels at the bottom of the frame, and a fifth drive source for driving the road wheels to roll;
the support supports the board receiving table.
10. A method of pallet transport stacking, the method being performed by the pallet transport stacking apparatus of claim 1, the method comprising the steps of:
Receiving the cut blank from the blank cutting station;
pressing a blank from above, below, and at least two sides of the blank;
while maintaining the pressed blank in a pressed state, the blank is transported to a blank stack.
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| CN201910578265.2A CN110255200B (en) | 2019-06-28 | 2019-06-28 | Blank conveying and stacking equipment and blank conveying and stacking method |
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