Automatic plate stacking method and device

Abstract

The invention relates to an automatic plate stacking method and device. The method comprises the steps that an operation table is controlled to ascend by a preset height from an initial position; the transmission assembly transmits a first plate to the operation table, and when the first plate reaches a first designated position of the operation table, the position sensor sends a first control signal to the control unit; the control unit controls the shaping assembly to clamp the second plates and place the second plates on the first plate according to the first control signal, and controls the shaping assembly to shape the edges of all the second plates placed on the first plate when the number of the clamped second plates reaches a first preset number; after shaping is finished, the control unit conveys the first plate to a second designated position through the operation table and controls the lifting assembly to descend the operation table by a preset unit distance; and the steps S2-S4 are repeated until all the first plates on the conveying assembly reach the second designated position. By means of the method, automatic stacking of the plates can be achieved.

Description

Technical Field

[0001] The present invention relates to the field of mechanical automation, and particularly to an automatic stacking method and device for plates. Background Art

[0002] In the construction field, a large number of plates will be used. To facilitate the transportation of plates, the plates usually need to be stacked into regular shapes. However, the existing stacking methods generally rely on forklifts by manual labor. When there are a large number of plates, not only the efficiency is low, but also the edges of the stacked plates are not aligned and the number of plates in each stack is inconsistent. Summary of the Invention

[0003] In view of the above problems, the present invention provides an automatic stacking device for plates to solve the problem of time-consuming and laborious existing plate stacking methods.

[0004] To achieve the above object, in a first aspect, the present application provides an automatic stacking method for plates. The method is applicable to a plate stacking device, which includes a transmission component, a stacking component, and a control unit. The stacking component includes an operating table, a lifting component, and a shaping component. The lifting component is arranged below the operating table, and a position sensor is also arranged on the operating table. Multiple first plates are stacked on the transmission component;

[0005] The method includes:

[0006] S1: Control the operating table to rise by a preset height from the initial position, where the initial position is the same as the height of the transmission component, and the preset height is the thickness of all the first plates stacked on the transmission component;

[0007] S2: The transmission component transports one of the first plates to the operating table. When the first plate reaches the first designated position on the operating table, the position sensor sends a first control signal to the control unit;

[0008] S3: The control unit controls the shaping component to clamp a second plate and place it on the first plate according to the first control signal, and controls the shaping component to shape the edges of all the second plates placed on the first plate when the number of the clamped second plates reaches a first preset number;

[0009] S4: After the shaping is completed, the control unit transports the first plate to the second designated position through the operating table, and controls the lifting component to lower the operating table by a preset unit distance, where the value of the preset unit distance is the same as the thickness of one of the first plates;

[0010] S5: Repeat steps S2 - S4 until all the first plates on the transmission component reach the second designated position.

[0011] Furthermore, a first photoelectric sensor is also provided on the operating table, and the method includes:

[0012] When a piece of the first plate is transferred to the operating table, the first photoelectric sensor is used to detect the thickness information of the current first plate, and send the detected thickness information of the current first plate to the control unit;

[0013] The preset unit distance is the thickness information of the current first plate detected by the first photoelectric sensor.

[0014] Furthermore, a second photoelectric sensor is also provided on the operating table, and the method includes:

[0015] When a piece of the first plate is transferred to the operating table, the second photoelectric sensor is used to detect the distance between the first side edge of the current first plate and the first edge of the operating table, and the first side edge is the side edge of the current first plate closest to the first edge of the operating table;

[0016] If it is detected that the distance between the two is greater than a preset threshold, a prompt message is issued or a second control signal is sent to the control unit.

[0017] Furthermore, the operating table is also provided with an edge calibration component, the edge calibration mechanism includes a fifth driving mechanism and an edge calibration mechanism, and the method includes:

[0018] The control unit drives the edge calibration mechanism to move from the second edge of the operating table to the second side edge of the current first plate through the fifth driving mechanism, so as to push the current first plate to move toward the first edge of the operating table, until the distance between the first side edge and the first edge detected by the second photoelectric sensor is less than a preset threshold, and then controls the edge calibration mechanism to return to the second edge position of the operating table;

[0019] The second side is disposed opposite to the first side, and the first edge is disposed opposite to the second edge.

[0020] Further, the shaping assembly includes a shaping mechanism and a third driving mechanism, the shaping mechanism includes a clamping structure, a shaping structure and an adjusting structure, the clamping structure and the shaping structure are transmission-connected, and the method includes:

[0021] The control unit controls the third driving mechanism to drive the adjustment structure to adjust the position parameters of the clamping structure and / or the shaping structure, and controls the third driving mechanism to drive the clamping structure to clamp the second plate and place it on the first plate, and controls the third driving mechanism to drive the shaping structure to shape the edges of all the second plates placed on the first plate. The size of the first plate is larger than that of the second plate.

[0022] Further, the adjustment structure includes a translation adjustment structure, a rotation adjustment structure, and a height adjustment structure, and the translation adjustment structure, the rotation adjustment structure, and the height adjustment structure are respectively power-connected to the third driving unit;

[0023] The method includes:

[0024] The control unit controls the third driving mechanism to drive the translation adjustment structure to adjust the lateral movement position of the clamping structure and / or the shaping structure;

[0025] The control unit controls the third driving mechanism to drive the rotation adjustment structure to adjust the angle of rotation of the clamping structure and / or the shaping structure around a fixed axis;

[0026] The control unit controls the third driving mechanism to drive the rotation adjustment structure to adjust the longitudinal height of the clamping structure and / or the shaping structure.

[0027] In a second aspect, the present application further provides a sheet automatic stacking device, which includes a transmission component, a stacking component, and a control unit. The stacking component includes an operating table, a lifting component, and a shaping component. The lifting component is arranged below the operating table, and a position sensor is also arranged on the operating table. Multiple first sheets are stacked on the transmission component;

[0028] The control unit is used to control the operating table to rise by a preset height from an initial position, the initial position is consistent with the height of the transmission component, and the preset height is the thickness of all the first sheets stacked on the transmission component;

[0029] The transmission component is used to transmit one of the first sheets to the operating table. When the first sheet reaches the first designated position on the operating table, the position sensor is used to send a first control signal to the control unit;

[0030] The control unit is further used to control the shaping component to clamp the second sheet and place it on the first sheet according to the first control signal, and to control the shaping component to shape the edges of all the second sheets placed on the first sheet when the number of the clamped second sheets reaches a first preset number;

[0031] After the shaping is completed, the control unit is also used to transfer the first plate to a second designated position through the operating table, and control the lifting assembly to lower the operating table by a preset unit distance, and the value of the preset unit distance is the same as the thickness of a piece of the first plate.

[0032] Further, the transmission assembly includes a body, the body is provided with a first transmission mechanism and a first driving mechanism, the first transmission mechanism includes a plurality of first transmission rollers, and the first driving mechanism is used to drive the plurality of first transmission rollers to transmit the first plate;

[0033] The transmission component also includes a lifting mechanism, which is arranged at the edge of the main body. The lifting mechanism can be lifted or lowered by a preset unit distance under the drive of the first driving mechanism, and the preset unit distance is equal to the thickness of the first plate.

[0034] Furthermore, the stacking assembly also includes a second driving mechanism, a second transport roller is provided on the operating table, and the second driving mechanism is used to drive the second transport roller to transport the first plate transported by the first transport roller to a first designated position of the operating table.

[0035] Further, the shaping assembly includes a shaping mechanism and a third driving mechanism, the third driving mechanism is used to drive the shaping mechanism to move, the shaping mechanism includes a clamping structure, a shaping structure and an adjusting structure, the clamping structure and the shaping structure are in transmission connection, the adjusting structure is used to adjust the position parameters of the clamping structure and / or the shaping structure, the clamping structure is used to clamp the second plate and place it on the first plate, and the shaping structure is used to shape the edges of all second plates placed on the first plate;

[0036] The clamping structure includes a first clamping part and a second clamping part, the shaping structure includes a first shaping part and a second shaping part, the first clamping part and the first shaping part are arranged on the same side, and the second clamping part and the second shaping part are arranged on the same side. The adjustment structure also includes a spacing adjustment structure, and the spacing adjustment structure is used to adjust the distance between the first clamping part and the second clamping part or the distance between the first shaping part and the second shaping part.

[0037] Different from the prior art, in the above technical solution, the automatic stacking method of the board includes: controlling the operation table to rise by a preset height from the initial position; the transmission component transports a first board to the operation table, and when the first board reaches the first designated position of the operation table, the position sensor sends a first control signal to the control unit; the control unit controls the shaping component to clamp a second board and place it on the first board according to the first control signal, and controls the shaping component to shape the edges of all the second boards placed on the first board when the number of the clamped second boards reaches the first preset number; after the shaping is completed, the control unit transports the first board to the second designated position through the operation table, and controls the lifting component to lower the operation table by a preset unit distance; repeat steps S2 - S4 until all the first boards on the transmission component reach the second designated position. The automatic stacking of the board can be realized by the above method.

[0038] The relevant descriptions in the above invention content are only an overview of the technical solution of the present invention. In order to enable those of ordinary skill in the art to more clearly understand the technical solution of the present invention, and then can be implemented according to the content recorded in the text of the specification and the drawings, and in order to make the above objects, other objects, features and advantages of the present invention more easily understood, the following will be described in conjunction with the specific embodiments of the present invention and the drawings. Brief Description of the Drawings

[0039] The drawings are only used to show the principles, implementation methods, applications, features and effects of the specific embodiments of the present invention and other related contents, and should not be considered as a limitation to the present invention.

[0040] In the drawings of the specification:

[0041] Figure 1 It is a schematic structural diagram of the automatic board stacking device involved in the specific embodiment;

[0042] Figure 2 It is a top view of the structure of the automatic board stacking device involved in the specific embodiment;

[0043] Figure 3 It is a cross-sectional view of the structure of the stacking component involved in the specific embodiment;

[0044] Figure 4 It is a cross-sectional view of the structure of the transmission component involved in the specific embodiment;

[0045] Figure 5 It is a flowchart of the automatic board stacking method involved in the specific embodiment;

[0046] The descriptions of the reference numerals involved in the above drawings are as follows:

[0047] 1. Transmission component; 11. Body; 12. First transmission roller; 13. First plate; 14. Chain mechanism; 15. Guardrail;

[0048] 2. Stacking component;

[0049] 21. Operating table;

[0050] 22. Lifting component;

[0051] 221. Lifting mechanism;

[0052] 23. Shaping component;

[0053] 231. Shaping mechanism;

[0054] 232. Clamping structure; 2321. First clamping part; 2322. Second clamping part;

[0055] 233. Shaping structure; 2331. First shaping part; 2332. Second shaping part;

[0056] 234. Adjusting structure;

[0057] 24. Second transmission roller;

[0058] 25. Second plate. Detailed implementation manners

[0059] To describe in detail the possible application scenarios, technical principles, specific implementable solutions, achievable purposes and effects of the present invention, etc., the following is described in detail with reference to the specific examples listed and in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present invention, so they are only used as examples and cannot be used to limit the protection scope of the present invention.

[0060] Referring to "embodiments" herein means that the specific features, structures or characteristics described in conjunction with the embodiments can be included in at least one embodiment of the present invention. The term "embodiment" appearing in various positions in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in the present invention, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form the corresponding implementable technical solutions.

[0061] Unless otherwise defined, the meanings of the technical terms used herein are the same as those commonly understood by those skilled in the technical field to which the present invention belongs; the use of the relevant terms herein is only for describing specific embodiments and is not intended to limit the present invention.

[0062] In the description of the present invention, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that there can be three relationships. For example, A and / or B means: there is A, there is B, and there is both A and B at the same time. In addition, the character " / " in this text generally represents an "or" logical relationship between the associated objects before and after.

[0063] In the present invention, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantitative, primary-secondary or sequential relationships between these entities or operations.

[0064] Without further limitation, in the present invention, the terms "comprise", "include", "have" or other similar expressions used in a statement are intended to cover non-exclusive inclusion. These expressions do not exclude the possibility that there may be additional elements in the process, method or product including the said elements. Thus, a process, method or product including a series of elements may include not only those defined elements, but also other elements not explicitly listed, or elements inherent to such process, method or product.

[0065] Similar to the understanding in the "Examination Guidelines", in the present invention, expressions such as "greater than", "less than", "exceeding" are understood not to include the recited number; expressions such as "above", "below", "within" are understood to include the recited number. In addition, in the description of the embodiments of the present invention, the meaning of "a plurality of" is two or more (including two). Similar expressions related to "many", such as "multiple groups", "multiple times", etc., are understood in the same way, unless otherwise specifically defined.

[0066] In the description of the embodiments of the present invention, the spatially related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiment or the drawings. It is only for the convenience of describing the specific embodiments of the present invention or for the reader to understand, rather than indicating or implying that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of the present invention.

[0067] Unless otherwise clearly specified or defined, in the description of the embodiments of the present invention, terms such as "installation", "connection", "linkage", "fixation", and "setting" should be understood in a broad sense. For example, the "connection" may be a fixed connection, a detachable connection, or an integral setting; it may be a mechanical connection, a signal connection, or a communication connection; it may be a direct connection or an indirect connection through an intermediate medium; it may be the communication between two components or the interaction relationship between two components. For those skilled in the art to which the present invention pertains, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0068] In a first aspect, the present application provides a method for automatically stacking sheets. The method is applicable to a sheet stacking device, which includes a transmission component, a stacking component, and a control unit. The stacking component includes an operating table, a lifting component, and a shaping component. The lifting component is arranged below the operating table, and a position sensor is also arranged on the operating table. Multiple first sheets are stacked on the transmission component.

[0069] As Figure 5 shown, the method includes:

[0070] S1: Control the operating table to rise by a preset height from the initial position. The initial position is the same as the height of the transmission component, and the preset height is the thickness of all the first sheets stacked on the transmission component.

[0071] S2: The transmission component transports one of the first sheets to the operating table. When the first sheet reaches the first designated position on the operating table, the position sensor sends a first control signal to the control unit.

[0072] S3: The control unit controls the shaping component to clamp a second sheet and place it on the first sheet according to the first control signal, and controls the shaping component to shape the edges of all the second sheets placed on the first sheet when the number of the clamped second sheets reaches a first preset number.

[0073] S4: After the shaping is completed, the control unit transports the first sheet to a second designated position through the operating table, and controls the lifting component to lower the operating table by a preset unit distance. The value of the preset unit distance is the same as the thickness of one of the first sheets.

[0074] S5: Repeat steps S2 - S4 until all the first sheets on the transmission component reach the second designated position.

[0075] During use, the height of the operating table can first be raised by the lifting component to be consistent with the uppermost first sheet stacked on the conveying component. Then, after each stacking task of the second sheets (i.e., stacking multiple second sheets on one first sheet), the operating table can be controlled to descend by the thickness of one first sheet through the lifting component. In this way, when the operating table descends to the lowest position, the operating table returns to its initial position, that is, the height of the operating table is consistent with the height of the conveying component. At this time, all the first sheets stacked on the conveying component have been processed. Then, a new batch of first sheets can be placed on the conveying component, and the height of the operating table can be raised again by the lifting component to be consistent with the height of the uppermost first sheet stacked on the conveying component, so as to start the next cycle of operation. In this way, the automatic stacking of sheet materials is realized by repeating this process.

[0076] In some embodiments, a first photoelectric sensor is further provided on the operating table. The method includes: when a first sheet is conveyed to the operating table, the first photoelectric sensor is used to detect the thickness information of the current first sheet and send the detected thickness information of the current first sheet to the control unit; the preset unit distance is the thickness information of the current first sheet detected by the first photoelectric sensor.

[0077] In short, since there may be deviations in the thicknesses of multiple sheets stacked on the conveying component, in order to make the control of the descending height of the operating table for each operation more accurate, in this embodiment, a first photoelectric sensor is added to detect the thickness information of the first sheet currently conveyed to the operating table in real time. After this operation is completed (i.e., after stacking multiple second sheets on the current first sheet and conveying the first sheet stacked with multiple second sheets to the second specified position), the control unit controls the lifting component to descend by the height of the thickness information of the current first sheet, which can make each control more accurate.

[0078] In some embodiments, a second photoelectric sensor is further provided on the operating table. The method includes: when a first sheet is conveyed to the operating table, the second photoelectric sensor is used to detect the distance between the first side of the current first sheet and the first edge of the operating table, where the first side is the side of the current first sheet closest to the first edge of the operating table; if the detected distance between the two is greater than a preset threshold, a prompt message is sent or a second control signal is sent to the control unit.

[0079] When the first plate is being transmitted on the operating table, if its side is too far away from the edge of the operating table, it will affect the accuracy of the stacking of the second plate. Therefore, this embodiment detects the real-time distance between the first side of the first plate and the first edge of the operating table through a second photoelectric sensor. When the distance is too large, a prompt message is issued or a second control signal is sent to the control unit to correct the position of the first plate in time, which helps to improve the accuracy of the subsequent stacking of the second plate.

[0080] In some embodiments, an edge calibration component is also provided on the operating table, and the edge calibration mechanism includes a fifth driving mechanism and an edge calibration mechanism. The method includes: the control unit drives the edge calibration mechanism to move from the second edge of the operating table to the second side edge of the current first plate through the fifth driving mechanism, so as to push the current first plate to move toward the first edge of the operating table, until the distance between the first side edge and the first edge detected by the second photoelectric sensor is less than a preset threshold, and then controls the edge calibration mechanism to return to the second edge position of the operating table; the second side edge is arranged opposite to the first side edge, and the first edge is arranged opposite to the second edge.

[0081] As mentioned above, if the distance between the first plate and the operating table is too large, it will affect the accuracy of the subsequent stacking of the second plate. In the present embodiment, when this situation is detected, automatic calibration can be performed through the edge calibration assembly. The edge calibration assembly includes a push plate, a drive rod and a fifth drive mechanism. The push plate is fixed to the drive rod. The fifth drive mechanism can drive the drive rod to reciprocate in the longitudinal direction perpendicular to the second edge of the operating table, so that the first side edge of the first plate is pushed to fit the first edge of the operating table and then reset to its original position, thereby realizing automatic calibration of the distance between the side edge of the first plate and the edge of the operating table, ensuring that the first plate is transmitted along the first edge of the operating table, and thereby improving the accuracy of the subsequent stacking of the second plate.

[0082] In some embodiments, the shaping assembly includes a shaping mechanism and a third driving mechanism, the shaping mechanism includes a clamping structure, a shaping structure and an adjusting structure, the clamping structure and the shaping structure are transmission-connected, and the method includes: the control unit adjusts the position parameters of the clamping structure and / or the shaping structure by controlling the third driving mechanism to drive the adjusting structure, and controls the third driving mechanism to drive the clamping structure to clamp the second plate and place it on the first plate, and controls the third driving mechanism to drive the shaping structure to shape the edges of all second plates placed on the first plate, and the size of the first plate is larger than the size of the second plate.

[0083] Further, the adjustment structure includes a translation adjustment structure, a rotation adjustment structure, and a height adjustment structure, and the translation adjustment structure, the rotation adjustment structure, and the height adjustment structure are respectively power-connected to the third driving unit;

[0084] The method includes:

[0085] The control unit controls the third driving mechanism to drive the translation adjustment structure to adjust the lateral movement position of the clamping structure and / or the shaping structure;

[0086] The control unit controls the third driving mechanism to drive the rotation adjustment structure to adjust the angle of rotation of the clamping structure and / or the shaping structure around a fixed axis;

[0087] The control unit controls the third driving mechanism to drive the rotation adjustment structure to adjust the longitudinal height of the clamping structure and / or the shaping structure.

[0088] In a second aspect, as Figures 1-4 shown, the present application provides an automatic sheet stacking device, the device includes a transmission component 1, a stacking component 2, and a control unit, the stacking component 2 includes an operating table 21, a lifting component 22, and a shaping component 23, the lifting component 22 is arranged below the operating table 21, a position sensor is further arranged on the operating table 21, and multiple first sheets 13 are stacked on the transmission component 1;

[0089] The control unit is used to control the operating table to rise by a preset height from an initial position, the initial position is the same as the height of the transmission component, and the preset height is the thickness of all the first sheets stacked on the transmission component;

[0090] The transmission component is used to transmit one of the first sheets to the operating table, and when the first sheet reaches the first designated position of the operating table, the position sensor is used to send a first control signal to the control unit;

[0091] The control unit is further used to control the shaping component to clamp a second sheet and place it on the first sheet according to the first control signal, and when the number of the clamped second sheets reaches a first preset number, control the shaping component to shape the edges of all the second sheets placed on the first sheet;

[0092] After the shaping is completed, the control unit is further used to transmit the first sheet to a second designated position through the operating table, and control the lifting component to lower the operating table by a preset unit distance, and the value of the preset unit distance is the same as the thickness of one of the first sheets.

[0093] In some embodiments, the transmission assembly 1 includes a body 11, and a first transmission mechanism and a first driving mechanism are disposed on the body 11. The first transmission mechanism includes a plurality of first transmission rollers 12, and the first driving mechanism is used to drive the plurality of first transmission rollers 12 to transmit a first plate 13;

[0094] The transmission component also includes a lifting mechanism, which is arranged at the edge of the main body. The lifting mechanism can be lifted or lowered by a preset unit distance under the drive of the first driving mechanism, and the preset unit distance is equal to the thickness of the first plate.

[0095] The lifting mechanism includes a lifting component and a tilting component. The lifting mechanism is arranged at the slot position below the main body. The movable end of the lifting component is connected to a support plate adapted to the width of the first plate. The surface of the support plate is covered with a non-slip rubber pad to increase the friction with the plate and prevent the first plate from slipping during the lifting process. The tilting component includes an angle-adjustable tilting plate. One side of the support plate is connected to the tilting plate through a rotating shaft. An angle adjustment device, such as an electric rotating joint or a pneumatic rotator, is installed between the tilting plate and the support plate. The length of the tilting plate is slightly smaller than the length of the first plate, and the width of the tilting plate is the same as that of the support plate.

[0096] When it is necessary to extract the first plate at the bottom of the stack of first plates, start the lifting assembly to raise the support plate, so that the first plate at the bottom is lifted up from the plate pile, and the first plate is separated from the other first plates. After lifting into place, the angle adjustment device drives the inclined plate to rotate around the rotating shaft, so that the inclined plate and the support plate form a certain inclination angle, and the inclination angle is generally controlled between 15°-30°. Due to the action of the inclined plate, the first plate at the bottom will tilt along with the inclined plate, forming a larger gap between the plates and the other plates, which is convenient for extraction. After the bottom first plate is tilted, the first transmission roller can be started, and the friction force can be used to pull the bottom first plate out of the inclined plate and transport it to the operating table 21, and then it is transmitted to the designated position of the operating table through the second transmission rollers 24 arranged in an array on the operating table 21.

[0097] In other embodiments, Figures 1-4 As shown, the extraction of the first plate at the bottom layer can also be completed by a chain mechanism 14, which is connected to the first transmission roller in a transmission manner. The chain mechanism includes a clamping chain, the pitch of which is adapted to the width of the first plate, and the chain is provided with clamping claws at equal intervals, which can adjust the clamping force, so as to firmly grasp the first plate without damaging the surface of the plate. Driven by the chain, the clamping claw moves along the rolling direction of the roller.

[0098] When in use, the initial position of the chain is at the bottom of the first sheet stack, and the clamping claws are aligned with the two sides of the first sheet at the bottom. Then the first drive mechanism is started, and the first transmission roller starts to rotate, driving the chain to move. The clamping claws on the chain move with the chain, and when they reach the bottom of the sheet, the clamping claws clamp the two sides of the first sheet at the bottom. The chain continues to move, and the friction between the roller and the chain, the first sheet, and the clamping force of the clamping claws on the first sheet are used to pull the first sheet at the bottom out of the sheet stack. The friction between the other first sheets and the body and their own gravity will keep them stationary. After the first sheet at the bottom is pulled out, the chain drives the clamping claws back to the initial position to prepare for the next extraction operation.

[0099] In some embodiments, the transmission assembly includes rollers disposed below the body 11, and guardrails are also disposed at the edge of the body 11. The guardrails can prevent other first plates from sliding out of the body 11 when the first plate 13 placed at the bottom of the body 11 is pulled out. The provision of the rollers can facilitate the movement of the body 11 and facilitate operation.

[0100] In some embodiments, the stacking assembly 2 also includes a second driving mechanism, and a second transport roller 24 is provided on the operating table 21. The second driving mechanism is used to drive the second transport roller 24 to transport the first plate 13 transported by the first transport roller 12 to the first designated position of the operating table 21.

[0101] In some embodiments, the shaping assembly 23 includes a shaping mechanism 231 and a third driving mechanism, the third driving mechanism is used to drive the shaping mechanism 231 to move, the shaping mechanism 231 includes a clamping structure 232, a shaping structure 233 and an adjusting structure 234, the clamping structure and the shaping structure are in transmission connection, the adjusting structure is used to adjust the position parameters of the clamping structure and / or the shaping structure, the clamping structure is used to clamp the second plate and place it on the first plate, and the shaping structure is used to shape the edges of all second plates placed on the first plate;

[0102] Furthermore, the clamping structure 232 includes a first clamping portion 2321 and a second clamping portion 2322, the shaping structure 233 includes a first shaping portion 2331 and a second shaping portion 2332, the first clamping portion 2321 and the first shaping portion 2331 are arranged on the same side, and the second clamping portion 2322 and the second shaping portion 2332 are arranged on the same side. The adjustment structure also includes a spacing adjustment structure, and the spacing adjustment structure is used to adjust the distance between the first clamping portion 2321 and the second clamping portion 2322 or the distance between the first shaping portion 2331 and the second shaping portion 2332.

[0103] Preferably, the shapes of the first shaping part 2331 and the second shaping part 2332 are rectangular.

[0104] In some embodiments, the lifting assembly 22 includes a lifting mechanism 221 and a fourth driving mechanism. The lifting mechanism 221 is disposed below the operation table 21 and can lift the operation table 21 under the drive of the fourth driving mechanism.

[0105] The control unit is signal-connected to the first driving mechanism, the second driving mechanism, the third driving mechanism, the fourth driving mechanism, and the position sensor. The first driving mechanism, the second driving mechanism, the third driving mechanism, and the fourth driving mechanism can be cylinders, hydraulic cylinders, motors, etc. The control unit can be a programmable logic controller (PLC), a field programmable gate array (FPGA), a processor, etc. The position sensor is a photoelectric sensor. The first sheet 13 refers to a backing plate for placing raw materials, and the second sheet 25 refers to the raw materials to be stacked. Generally, multiple sheets of raw materials can be stacked on one first sheet 13. The materials of the first sheet 13 and the second sheet 25 can be wood.

[0106] Through the above solution, when the first sheet is transported to the operation table, the second driving mechanism drives the second transport roller to continue transporting the first sheet. When the position sensor disposed on the operation table detects that the first sheet reaches the specified position, it sends a first control signal to the control unit. After receiving the first control signal, the control unit controls the second transport roller to pause the transport first. The clamping structure and the adjustment structure are started, and the second sheets to be stacked are stacked on the first sheet one by one. After each second sheet is stacked, the second sheets located on all the first sheets are shaped by the shaping structure. Specifically, the distance between two relatively arranged rectangular plates is adjusted to align the edges of the stacked second sheets. When the photoelectric sensor detects that the height of the stacked second sheets reaches the predetermined height, the clamping structure and the shaping structure are retracted at this time, and a third control signal is sent to the control unit. After receiving the third control signal, the control unit restarts the second transport roller to continue transporting the first sheet stacked with multiple second sheets until it leaves the operation table and enters the next process (i.e., reaches the second specified position), such as packing in a box, etc. At the same time, the control unit also controls the operation table to descend by the height of the thickness of one current first sheet through the lifting mechanism, so as to wait for the next first sheet transported by the transport assembly to perform the next operation. This is repeated until all the second sheets are completely stacked on the first sheets. Since the whole process is automated, the stacking efficiency can be greatly improved.

[0107] As Figures 1-4 shown, in a second aspect, the present invention provides a sheet automatic stacking device, including:

[0108] The transmission component 1 includes a body 11, on which a first transmission mechanism and a first driving mechanism are provided. The first transmission mechanism includes a plurality of first transmission rollers 12, and the first driving mechanism is used to drive the plurality of first transmission rollers 12 to transmit the first sheet 13.

[0109] The stacking component 2 includes an operating table 21, a second driving mechanism, a lifting component 22 and a shaping component 23. A second transmission roller 24 is provided on the operating table 21. The second driving mechanism is used to drive the second transmission roller 24 to transmit the first sheet 13 transmitted by the first transmission roller 12 to a designated position on the operating table 21, and a position sensor is provided at the designated position of the operating table 21.

[0110] The shaping component 23 includes a shaping mechanism 231 and a third driving mechanism. The third driving mechanism is used to drive the shaping mechanism 231 to clamp the second sheet 25 and place it on the first sheet 13. The shaping mechanism 231 is also used to shape the edges of all the second sheets 25 placed on the first sheet 13. The size of the first sheet 13 is larger than the size of the second sheet 25.

[0111] The lifting component 22 includes a lifting mechanism 221 and a fourth driving mechanism. The lifting mechanism 221 is arranged below the operating table 21 and can lift the operating table 21 under the drive of the fourth driving mechanism.

[0112] The control unit is signal-connected to the first driving mechanism, the second driving mechanism, the third driving mechanism, the fourth driving mechanism and the position sensor.

[0113] In this embodiment, the first driving mechanism, the second driving mechanism, the third driving mechanism and the fourth driving mechanism can be cylinders, hydraulic cylinders, motors, etc. The control unit can be a programmable logic controller (PLC), a field programmable gate array (FPGA), a processor, etc. The position sensor is a photoelectric sensor. The first sheet 13 refers to a backing plate for placing raw materials, and the second sheet 25 refers to the raw materials to be stacked. Usually, multiple pieces of raw materials can be stacked on one first sheet 13. The materials of the first sheet 13 and the second sheet 25 can be wood.

[0114] In some embodiments, the transmission component further includes a jacking mechanism, which is arranged at the edge of the body 11. The jacking mechanism can be lifted or lowered by a preset unit distance under the drive of the first driving mechanism, and the preset unit distance is equal to the thickness of the first sheet 13.

[0115] The lifting mechanism includes a lifting component and a tilting component. The lifting mechanism is arranged at the slot position below the main body. The movable end of the lifting component is connected to a support plate adapted to the width of the first plate. The surface of the support plate is covered with a non-slip rubber pad to increase the friction with the plate and prevent the first plate from slipping during the lifting process. The tilting component includes an angle-adjustable tilting plate. One side of the support plate is connected to the tilting plate through a rotating shaft. An angle adjustment device, such as an electric rotating joint or a pneumatic rotator, is installed between the tilting plate and the support plate. The length of the tilting plate is slightly smaller than the length of the first plate, and the width of the tilting plate is the same as that of the support plate.

[0116] When it is necessary to extract the first plate at the bottom of the stack of first plates, start the lifting assembly to raise the support plate, so that the first plate at the bottom is lifted up from the plate pile, and the first plate is separated from the other first plates. After lifting into place, the angle adjustment device drives the inclined plate to rotate around the rotating shaft, so that the inclined plate and the support plate form a certain inclination angle, and the inclination angle is generally controlled between 15°-30°. Due to the action of the inclined plate, the first plate at the bottom will tilt along with the inclined plate, forming a larger gap between the plates and the other plates, which is convenient for extraction. After the bottom first plate is tilted, the first transmission roller can be started, and the friction force can be used to pull the bottom first plate out of the inclined plate and transport it to the operating table 21, and then it is transmitted to the designated position of the operating table through the second transmission rollers 24 arranged in an array on the operating table 21.

[0117] In other embodiments, Figures 1-4 As shown, the extraction of the first plate at the bottom layer can also be completed by a chain mechanism 14, which is connected to the first transmission roller in a transmission manner. The chain mechanism includes a clamping chain, the pitch of which is adapted to the width of the first plate, and the chain is provided with clamping claws at equal intervals, which can adjust the clamping force, so as to firmly grasp the first plate without damaging the surface of the plate. Driven by the chain, the clamping claw moves along the rolling direction of the roller.

[0118] When in use, the initial position of the chain is at the bottom of the first sheet stack, and the clamping claws are aligned with the two sides of the first sheet at the bottom. Then the first drive mechanism is started, and the first transmission roller starts to rotate, driving the chain to move. The clamping claws on the chain move with the chain, and when they reach the bottom of the sheet, the clamping claws clamp the two sides of the first sheet at the bottom. The chain continues to move, and the friction between the roller and the chain, the first sheet, and the clamping force of the clamping claws on the first sheet are used to pull the first sheet at the bottom out of the sheet stack. The friction between the other first sheets and the body and their own gravity will keep them stationary. After the first sheet at the bottom is pulled out, the chain drives the clamping claws back to the initial position to prepare for the next extraction operation.

[0119] In some embodiments, the transport assembly includes rollers disposed below the body 11, and a guardrail is further disposed on the edge of the body 11. By providing the guardrail, it is possible to prevent other first plates from sliding out of the body 11 when the lowermost first plate 13 placed on the body 11 is withdrawn. The provision of the rollers facilitates the movement of the body 11 and is convenient for operation.

[0120] In some embodiments, when the operating table 21 descends to the lowest position, the height of the operating table 21 is the same as the height of the body 11 of the transport assembly. Briefly, multiple first plates 13 are usually stacked on the body 11 of the transport assembly, and multiple second plates 25 need to be stacked on each first plate 13 (serving as a bottom cushion to facilitate the transportation of the second plates 25 to be stacked). In use, the height of the operating table 21 can be first raised by the lifting mechanism 221 to be the same as the uppermost first plate 13 stacked on the body 11 of the transport assembly. Then, after each stacking task of the second plates 25 (multiple second plates 25 need to be stacked on one first plate 13), the lifting mechanism 221 can be used to control the operating table 21 to descend by a height equal to the thickness of one first plate 13. In this way, when the operating table 21 descends to the lowest position, the height of the operating table 21 is the same as the height of the body 11 of the transport assembly. At this time, all the first plates 13 on the body 11 of the transport assembly have been processed. A new batch of first plates 13 can be placed on the body 11, and the height of the operating table 21 can be raised again by the lifting mechanism 221 to be the same as the height of the uppermost first plate 13 stacked on the body 11, thereby starting the next cycle of operation, and so on, to achieve the automatic stacking of the sheet material raw materials.

[0121] In some embodiments, the shaping mechanism 231 includes a clamping structure 232, a shaping structure 233, and an adjustment structure 234. The clamping structure 232 and the shaping structure 233 are in transmission connection. The adjustment structure 234 is used to adjust the position parameters of the clamping structure 232 and / or the shaping structure 233. The clamping structure 232 is used to clamp the second plate and place it on the first plate, and the shaping structure 233 is used to shape the edges of all the second plates placed on the first plate.

[0122] Further, the adjustment structure includes a translation adjustment structure, a rotation adjustment structure, and a height adjustment structure. The translation adjustment structure, the rotation adjustment structure, and the height adjustment structure are respectively in power connection with the third drive unit;

[0123] The adjustment structure is used to adjust the position parameters of the clamping structure and / or the shaping structure, including:

[0124] The translation adjustment structure is used to control the lateral movement of the clamping structure and / or the shaping structure;

[0125] The rotation adjustment structure is used to control the rotation of the clamping structure and / or the shaping structure around a fixed axis;

[0126] The rotation adjustment structure is used to adjust the longitudinal height of the clamping structure and / or the shaping structure.

[0127] Furthermore, the clamping structure 232 includes a first clamping portion 2321 and a second clamping portion 2322, the shaping structure 233 includes a first shaping portion 2331 and a second shaping portion 2332, the first clamping portion 2321 and the first shaping portion 2331 are arranged on the same side, the second clamping portion 2322 and the second shaping portion 2332 are arranged on the same side. The adjustment structure further includes a spacing adjustment structure, and the spacing adjustment structure is used to adjust the distance between the first clamping portion 2321 and the second clamping portion 2322 or the distance between the first shaping portion 2331 and the second shaping portion 2332.

[0128] Preferably, the shapes of the first shaping portion 2331 and the second shaping portion 2332 are rectangular.

[0129] In short, when the first sheet is transported to the operating table, the second driving mechanism drives the second transport roller to continue transporting the first sheet. When the position sensor disposed on the operating table detects that the first sheet reaches the designated position, it sends a first signal to the control unit. When the control unit receives the first signal, it controls the second transport roller to pause the transport first. Start the clamping structure and the adjustment structure, stack the second sheets to be stacked one by one on the first sheet (for example, 60 second sheets can be stacked on one first sheet), and after each second sheet stacking is completed, the shaping structure will shape the second sheets located on all the first sheets. Specifically, by adjusting the distance between two rectangular plates with a wider width, the edges of the stacked second sheets are aligned. When the photoelectric sensor detects that the height of the stacked second sheets reaches the predetermined height, at this time, the clamping structure and the shaping structure are retracted, and a second signal is sent to the control unit. After receiving the second signal, the control unit will restart the second transport roller to continue transporting the first sheet stacked with multiple second sheets until it leaves the operating table and enters the next process, such as packing in a box, etc. At the same time, the control unit will also control the operating table to descend by the height of the thickness of one first sheet through the lifting mechanism, and then wait for the next first sheet transported by the transport assembly to perform the next operation. This process is repeated until all the second sheets are completely stacked. Since the whole process is automated, the stacking efficiency can be greatly improved.

[0130] Finally, it should be noted that although the above embodiments have been described in the text and drawings of the specification of the present invention, the scope of patent protection of the present invention cannot be limited thereby. Any technical solution obtained by equivalent structural or equivalent process substitution or modification based on the substantial concept of the present invention and using the content recorded in the text and drawings of the specification of the present invention, as well as any technical solution directly or indirectly implemented in other related technical fields of the above embodiments, is included within the scope of patent protection of the present invention.

Claims

1. A method for automatic stacking of plates, characterized in that: The method is applicable to a plate stacking device, the device comprising a transmission component, a stacking component and a control unit, the stacking component comprising an operating table, a lifting component and a shaping component, the lifting component is arranged below the operating table, a position sensor is also arranged on the operating table, and a plurality of first plates are stacked on the transmission component; The method comprises: S1: Control the operating table to rise from an initial position to a preset height, wherein the initial position is consistent with the height of the transmission component, and the preset height is the thickness of all first plates stacked on the transmission component; S2: the transmission component transmits a piece of the first plate to the operating table, and when the first plate reaches a first designated position of the operating table, the position sensor sends a first control signal to the control unit; S3: the control unit controls the shaping assembly to clamp the second plate and place it on the first plate according to the first control signal, and controls the shaping assembly to shape the edges of all the second plates placed on the first plate when the number of the clamped second plates reaches a first preset number; S4: After the shaping is completed, the control unit transfers the first plate to the second designated position through the operating table, and controls the lifting assembly to lower the operating table by a preset unit distance, wherein the value of the preset unit distance is the same as the thickness of a piece of the first plate; S5: Repeat steps S2-S4 until all first plates on the transmission assembly reach the second designated position.

2. The automatic plate stacking method according to claim 1, characterized in that: The operating table is also provided with a first photoelectric sensor, and the method comprises: When a piece of the first plate is transferred to the operating table, the first photoelectric sensor is used to detect the thickness information of the current first plate, and send the detected thickness information of the current first plate to the control unit; The preset unit distance is the thickness information of the current first plate detected by the first photoelectric sensor.

3. The automatic plate stacking method according to claim 1, characterized in that: The operating table is also provided with a second photoelectric sensor, and the method comprises: When a piece of the first plate is transferred to the operating table, the second photoelectric sensor is used to detect the distance between the first side edge of the current first plate and the first edge of the operating table, and the first side edge is the side edge of the current first plate closest to the first edge of the operating table; If it is detected that the distance between the two is greater than a preset threshold, a prompt message is issued or a second control signal is sent to the control unit.

4. The automatic plate stacking method according to claim 3, characterized in that: The operating table is also provided with an edge calibration component, the edge calibration mechanism includes a fifth driving mechanism and an edge calibration mechanism, and the method includes: The control unit drives the edge calibration mechanism to move from the second edge of the operating table to the second side edge of the current first plate through the fifth driving mechanism, so as to push the current first plate to move toward the first edge of the operating table, until the distance between the first side edge and the first edge detected by the second photoelectric sensor is less than a preset threshold, and then controls the edge calibration mechanism to return to the second edge position of the operating table; The second side is disposed opposite to the first side, and the first edge is disposed opposite to the second edge.

5. The automatic plate stacking method according to claim 1, characterized in that: The shaping assembly comprises a shaping mechanism and a third driving mechanism, the shaping mechanism comprises a clamping structure, a shaping structure and an adjusting structure, the clamping structure and the shaping structure are in transmission connection, and the method comprises: The control unit controls the third driving mechanism to drive the adjusting structure to adjust the position parameters of the clamping structure and / or the shaping structure, controls the third driving mechanism to drive the clamping structure to clamp the second plate and place it on the first plate, and controls the third driving mechanism to drive the shaping structure to shape the edges of all second plates placed on the first plate, wherein the size of the first plate is larger than the size of the second plate.

6. The automatic plate stacking method according to claim 5, characterized in that: The adjustment structure comprises a translation adjustment structure, a rotation adjustment structure and a height adjustment structure, and the translation adjustment structure, the rotation adjustment structure and the height adjustment structure are respectively connected to the third driving unit by power; The method comprises: The control unit controls the third driving mechanism to drive the translation adjustment structure to adjust the lateral movement position of the clamping structure and / or the shaping structure; The control unit controls the third driving mechanism to drive the rotation adjustment structure to adjust the angle of rotation of the clamping structure and / or the shaping structure around the fixed axis; The control unit controls the third driving mechanism to drive the rotation adjustment structure to adjust the longitudinal height of the clamping structure and / or the shaping structure.

7. An automatic plate stacking device, characterized in that: The device comprises a transmission component, a stacking component and a control unit. The stacking component comprises an operating table, a lifting component and a shaping component. The lifting component is arranged below the operating table. A position sensor is also arranged on the operating table. A plurality of first plates are stacked on the transmission component. The control unit is used to control the operating table to rise from an initial position to a preset height, wherein the initial position is consistent with the height of the transmission assembly, and the preset height is the thickness of all first plates stacked on the transmission assembly; The transmission component is used to transmit a piece of the first plate to the operating table, and when the first plate reaches a first designated position of the operating table, the position sensor is used to send a first control signal to the control unit; The control unit is further used to control the shaping assembly to clamp the second plate and place it on the first plate according to the first control signal, and to control the shaping assembly to shape the edges of all the second plates placed on the first plate when the number of the clamped second plates reaches a first preset number; After the shaping is completed, the control unit is also used to transfer the first plate to a second designated position through the operating table, and control the lifting assembly to lower the operating table by a preset unit distance, and the value of the preset unit distance is the same as the thickness of a piece of the first plate.

8. The automatic plate stacking device according to claim 7, characterized in that: The transmission assembly comprises a body, on which a first transmission mechanism and a first driving mechanism are arranged, wherein the first transmission mechanism comprises a plurality of first transmission rollers, and the first driving mechanism is used to drive the plurality of first transmission rollers to transmit the first plate; The transmission component also includes a lifting mechanism, which is arranged at the edge of the main body. The lifting mechanism can be lifted or lowered by a preset unit distance under the drive of the first driving mechanism, and the preset unit distance is equal to the thickness of the first plate.

9. The automatic plate stacking device according to claim 8, characterized in that: The stacking assembly further includes a second driving mechanism. A second transport roller is disposed on the operating table. The second driving mechanism is used to drive the second transport roller to transport the first plate transported by the first transport roller to a first designated position on the operating table.

10. The automatic plate stacking device according to claim 7, characterized in that: The shaping assembly comprises a shaping mechanism and a third driving mechanism, the third driving mechanism is used to drive the shaping mechanism to move, the shaping mechanism comprises a clamping structure, a shaping structure and an adjusting structure, the clamping structure and the shaping structure are in transmission connection, the adjusting structure is used to adjust the position parameters of the clamping structure and / or the shaping structure, the clamping structure is used to clamp the second plate and place it on the first plate, and the shaping structure is used to shape the edges of all the second plates placed on the first plate; The clamping structure includes a first clamping part and a second clamping part, the shaping structure includes a first shaping part and a second shaping part, the first clamping part and the first shaping part are arranged on the same side, and the second clamping part and the second shaping part are arranged on the same side. The adjustment structure also includes a spacing adjustment structure, and the spacing adjustment structure is used to adjust the distance between the first clamping part and the second clamping part or the distance between the first shaping part and the second shaping part.

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