Material platform and sorting device

Abstract

The utility model belongs to the technical field of PCB sorting, and particularly relates to a material platform and a sorting device. The material table comprises a lifting mechanism, a material receiving table and a conveying mechanism; the output end of the lifting mechanism is connected with the material receiving table, the material receiving table is used for receiving material plates, and the lifting mechanism can drive the material receiving table to move in a reciprocating mode in the vertical direction so that the multiple material plates can be stacked on the material receiving table; the conveying mechanism is arranged on the material receiving table, the conveying mechanism is used for driving the multiple stacked material plates to move in the first direction and send the multiple stacked material plates out of the material receiving table, the conveying mechanism is directly arranged on the material receiving table, and the stacked material plates can be sent out in time and rapidly in the first direction through the conveying mechanism. Seamless connection of the material plates from the stacking link to the conveying link is achieved, and the problems of time waste and low efficiency caused by manual carrying or transferring of the material plates with the help of external equipment in a traditional mode are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of PCB sorting, especially relates to a material table and sorting device. BACKGROUND

[0002] In the preparation and processing of PCB, due to the error of manufacturing process, the formed PCB needs to be detected or diagnosed, and after detection, the qualified products and unqualified products need to be separated for stacking.

[0003] The existing stacking material table is generally a fixed platform, and after the stacking of the material is completed, the stacked material is transported by manual or other equipment, the connection between the links is not close, there is obvious waiting time, which leads to more waste of time, and the speed of the material table in receiving and transporting the material cannot be effectively improved. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that the speed of the existing material table in receiving and transporting the material cannot be effectively improved.

[0005] To solve the above technical problems, on the one hand, the utility model embodiment provides a material table, which comprises a lifting mechanism, a material receiving table and a conveying mechanism.

[0006] The output end of the lifting mechanism is connected with the material receiving table, the material receiving table is used for receiving the material plate, and the lifting mechanism can drive the material receiving table to move back and forth along the vertical direction to stack a plurality of material plates on the material receiving table.

[0007] The conveying mechanism is arranged on the material receiving table, and the conveying mechanism is used for driving the stacked material plates to move along the first direction and out of the material receiving table, wherein the first direction intersects with the vertical direction.

[0008] Optionally, the material table further comprises a first sensor, and the first sensor is located above the conveying member in the vertical direction.

[0009] When the lifting mechanism drives the material receiving table to move upward along the vertical direction, the first sensor is used for sensing the position of the uppermost material plate, so that after each material plate is stacked, the lifting mechanism can transport and stop the uppermost material plate at the first predetermined height.

[0010] Optionally, the conveying mechanism comprises a driving member and a conveying member, the driving member is installed on the material receiving table, and the driving member can drive the conveying member to move to drive the stacked material plates to move along the first direction.

[0011] Optionally, the conveying member comprises a driving shaft, a driven shaft and a belt, the output end of the driving member is connected with the driving shaft, the driving shaft and the driven shaft are arranged in the first direction and are spaced apart on the receiving table, and the belt is wound around the driving shaft and the driven shaft.

[0012] Optionally, the receiving table further comprises a second sensor, the second sensor is arranged above the first sensor, and the second sensor is used to sense the position of the uppermost material plate, so that when the first sensor fails and after the stacking of each material plate is completed, the lifting mechanism can transport and stop the uppermost material plate at a second predetermined height, and the second predetermined height is above the first predetermined height.

[0013] Optionally, the receiving table comprises a first connecting member, a second connecting member and a plurality of support shafts, the plurality of support shafts are connected between the first connecting member and the second connecting member, the conveying mechanism is mounted on the first connecting member, and the output end of the lifting mechanism is connected with the second connecting member.

[0014] Optionally, the receiving table further comprises a base and a guide shaft, the guide shaft is mounted on the base, the second connecting member is movably connected with the guide shaft, and the guide shaft is used to guide the receiving table when the receiving table moves in the vertical direction.

[0015] Optionally, the base comprises a support plate, a bottom plate and a plurality of connecting rods, the plurality of connecting rods are connected between the support plate and the bottom plate, and the support plate is closer to the conveying mechanism than the bottom plate;

[0016] The guide shaft is arranged through the second connecting member and is connected between the support plate and the bottom plate.

[0017] The support plate is arranged in the vertical direction between the first connecting member and the second connecting member, and the support shaft is arranged through the support plate.

[0018] Optionally, the lifting mechanism comprises a lifting motor, a lead screw and a nut seat, the lead screw is mounted on the base, the output end of the lifting motor is connected with the lead screw, and the nut seat is threadedly connected outside the lead screw and is connected with the second connecting member.

[0019] The lifting motor can drive the lead screw to rotate, so as to drive the receiving table to move in the vertical direction.

[0020] In another aspect, the utility model discloses a sorting device, including mobile mechanism, manipulator and the material table as described before, the output of mobile mechanism with manipulator connects, the manipulator is used for grabbing the material board, mobile mechanism can drive manipulator moves, with material board is transferred to the material receiving table on.

[0021] The utility model discloses a material table, through the conveying mechanism is directly arranged on the material receiving table, and the material board is stacked on the material receiving table, and the stacked material board can be sent along the first direction in time and fast through the conveying mechanism, realizes the seamless link of material board from stacking to conveying link, reduces the time waste and the low efficiency problem of manual handling or the external equipment of the material board of the help of the traditional mode. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the schematic diagram of the material table of an embodiment of the utility model;

[0023] Figure 2 It is another schematic diagram of the material table of an embodiment of the utility model;

[0024] Figure 3 It is the side schematic diagram of the material table of an embodiment of the utility model.

[0025] The reference signs in the specification are as follows:

[0026] 1, material receiving table;11, first connecting piece;12, second connecting piece;13, support shaft;

[0027] 2, lifting mechanism;21, lifting motor;22, screw;23, nut seat;24, synchronous belt assembly;241, second driving wheel;242, second driven wheel;243, second synchronous belt;

[0028] 3, conveying mechanism;31, driving part;311, conveying motor;312, first driving wheel;313, first driven wheel;314, first synchronous belt;32, driving shaft;33, driven shaft;34, belt;

[0029] 41, first inductor;42, second inductor;

[0030] 5, base;51, support plate;52, bottom plate;53, connecting rod;54, guide shaft;55, inductor support. DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0032] As shown in Figures 1 to 3 One aspect, the utility model discloses an embodiment provides a material table, including lifting mechanism 2, material receiving table 1 and conveying mechanism 3. The output end of lifting mechanism 2 is connected with material receiving table 1, and material receiving table 1 is used to receive material plate, and lifting mechanism 2 can drive material receiving table 1 to move back and forth along the vertical direction to stack multiple material plates on material receiving table 1. And with the gradual stacking of material plate, the layer number of material plate gradually increases, and the height of material receiving table 1 gradually decreases. The lifting of material receiving table 1 can be accurately controlled by the lifting mechanism, which can ensure that each material plate is at the appropriate height position when stacking, greatly improving the precision of material plate stacking. Whether the thickness of the material plate is completely consistent or not, the material plates can be neatly stacked together by the precise action of the lifting mechanism.

[0033] Conveying mechanism 3 is arranged on material receiving table 1, and conveying mechanism 3 is used to drive the stacked multiple material plates to move along the first direction and send out material receiving table 1, wherein the first direction intersects with the vertical direction.

[0034] In the embodiment, conveying mechanism 3 is directly arranged on material receiving table 1, and after the stacking of material plate on material receiving table 1 is completed, the stacked material plate can be sent out along the first direction in time and quickly by conveying mechanism 3, realizing the seamless connection of the stacking and conveying links of the material plate, and reducing the time waste and low efficiency problems caused by manual handling or external equipment transfer of the material plate in the traditional way.

[0035] As an example, the material plate is a PCB, and the first direction is a horizontal direction and perpendicular to the vertical direction. After the PCB is grabbed by the mechanical hand, the PCB is placed on material receiving table 1. In order to keep the uppermost material plate at the same height, lifting mechanism 2 drives material receiving table 1 to first descend and then ascend, ensuring that the uppermost material plate stays at the set height, facilitating the continuous feeding of the subsequent PCB on material receiving table 1. After stacking is completed, the material plate is sent out of material receiving table 1 by conveying mechanism 3.

[0036] Among them, conveying mechanism 3 can adopt belt conveying mechanism, roller conveying mechanism and chain conveying mechanism structure, which can all realize the conveying of the stacked material plate.

[0037] In an embodiment, after the stacking of each sheet is completed, the lifting mechanism 2 can transport and stop the uppermost sheet at a first predetermined height. The height of the receiving table 1 can be accurately controlled by the lifting mechanism 2, so that the uppermost sheet is always kept at the same height when each sheet is stacked on the receiving table 1, greatly improving the neatness of the sheet stacking.

[0038] In an embodiment, as shown in FIG. 1, the receiving table further comprises a first sensor 41, which is located above the receiving table 1 in the vertical direction and remains unchanged in position when the receiving table 1 is moved up and down by the lifting mechanism 2. Figure 1 、 Figure 2 When the lifting mechanism 2 drives the receiving table 1 to move vertically downward as the sheets are stacked on the receiving table 1, the receiving table 1 is lowered after each sheet is placed in position, reserving appropriate space for the subsequent sheet stacking, so that the next sheet has enough space to be placed on the conveying member, ensuring that the sheets can be neatly stacked layer by layer.

[0039] When the lifting mechanism 2 drives the receiving table 1 to move vertically upward, the first sensor 41 is used to sense the position of the uppermost sheet, so that after each sheet is stacked, the lifting mechanism 2 can transport and stop the uppermost sheet at a first predetermined height. By first lowering and then raising the receiving table 1 by the lifting mechanism 2, the first sensor 41 has a clear signal change, making it easier to more accurately control the position of the receiving table 1, so that the uppermost sheet is kept at a first predetermined height.

[0040] The first sensor 41 is a photoelectric sensor or a capacitive sensor. Taking the photoelectric sensor as an example, the photoelectric sensor determines whether the light is blocked or not. After the sheets are stacked on the receiving table 1, the lifting mechanism 2 drives the receiving table 1 to lower, and the distance of the lowering should exceed the thickness of the sheet. After the lowering is completed, the light of the first sensor 41 is no longer blocked by the uppermost sheet, and the uppermost sheet cannot be sensed. Then, the lifting mechanism 2 drives the receiving table 1 to move upward. When the receiving table 1 rises so that the uppermost sheet blocks the light emitted by the first sensor 41, the light is blocked, and at this time, the first sensor 41 can detect the uppermost sheet and send a signal that the sheet is in place. After receiving the signal, the lifting mechanism 2 stops the upward movement, thereby accurately limiting the uppermost sheet at a first predetermined height, achieving accurate control of the sheet stacking height, and ensuring that the uppermost sheet of each stacked sheet can maintain a consistent height, providing a neat and required sheet stacking state for subsequent conveying, processing, and other links.

[0041] In the embodiment, the first sensor 41 has a clear change process from being unobstructed to being obstructed when the receiving table 1 is lowered and when the receiving table 1 is raised, which provides a reliable basis for accurately controlling the stacking height of the material plates and enables the uppermost material plate to be determined to reach the first predetermined height in an intuitive and accurate manner, thereby avoiding errors and uncertainties that may exist in traditional methods such as manual visual inspection or mechanical limiting.

[0042] In an embodiment, the position of the first sensor 41 in the vertical direction is determined according to the first predetermined height at which the uppermost material plate is located, and by changing the position of the first sensor 41, the stacking height of the material plates on the receiving table 1 can also be changed.

[0043] In an embodiment, as shown in Figure 2 The conveying mechanism 3 includes a driving member 31 and a conveying member, the driving member 31 is installed on the receiving table 1, and the driving member 31 can drive the conveying member to move to drive the stacked material plates to move in the first direction. When the receiving table 1 receives the material plates, the material plates are placed on the conveying member, and after the stacking is completed, the stacked material plates are sent out of the receiving table under the driving of the driving member 31.

[0044] In the vertical direction, the first sensor 41 is located above the conveying member. The main function of the first sensor 41 is to sense the position of the uppermost material plate and control the lifting of the receiving table 1 to the appropriate height by sensing the obstruction of the light. When the material plates are placed on the conveying member, the presence of the material plates will obstruct the light of the first sensor 41, indicating that the material plates have been placed in place and reaching the triggering condition for subsequent lifting operation of the receiving table 1.

[0045] Then, as the receiving table 1 is lowered, the material plates also move downward and gradually move away from the first sensor 41, so that the light of the first sensor 41 is no longer obstructed, until the receiving table 1 is raised again to obstruct the light of the first sensor 41, thereby controlling the position of the uppermost material plate at the first predetermined height.

[0046] In an embodiment, as shown in Figure 2As shown, the conveying member includes a driving shaft 32, a driven shaft 33 and a belt 34, the output end of the driving member 31 is connected with the driving shaft 32, the driving shaft 32 and the driven shaft 33 are arranged in the first direction on the receiving table 1, and the belt 34 is wound around the driving shaft 32 and the driven shaft 33. The first inductor 41 is arranged above the belt 34. The belt conveying mechanism composed of the driving shaft 32, the driven shaft 33 and the belt 34 can provide a relatively stable conveying environment for the material plate. The driving shaft 32 rotates at a constant speed under the driving of the driving member 31, so that the belt 34 runs at a stable speed. The driving shaft 32 transmits power to the driven shaft 33 through the belt 34. The driven shaft 33 supports the belt 34 in cooperation with the driving shaft 32 and is passively rotated with the movement of the belt 34. The stacked material plates are placed on the belt 34 and move along the first direction with the belt 34 by relying on the friction between the belt 34 and the material plates, so as to realize the conveying of the stacked material plates.

[0047] In other alternative embodiments, the conveying mechanism 3 adopts a chain conveying mechanism. The chain is used as a traction member. The chain is driven to circulate by a motor and a chain wheel. The chain is installed with a bearing plate or directly contacts with the material plate to drive the material plate to move.

[0048] In an embodiment, as shown in Figure 2 , the driving member 31 includes a conveying motor 311, a first driving wheel 312, a first driven wheel 313 and a first synchronous belt 314. The first driving wheel 312 is connected with the output end of the conveying motor 311. The first driven wheel 313 is installed on the driving shaft 32. The first synchronous belt 314 is wound around the first driving wheel 312 and the first driven wheel 313. The conveying motor 311 drives the first driving wheel 312 to rotate. Under the transmission of the first synchronous belt 314, the first driven wheel 313 and the driving shaft 32 connected therewith rotate, so as to realize the transmission of the belt 34.

[0049] In an embodiment, as shown in Figure 1 , Figure 2 The receiving table further includes a second inductor 42. The second inductor 42 is arranged above the first inductor 41. The second inductor 42 is used to sense the position of the uppermost material plate. When the first inductor 41 fails and after the stacking of each material plate is completed, the lifting mechanism 2 can transport and stop the uppermost material plate at a second predetermined height, which is above the first predetermined height, so as to limit the position of the uppermost material plate. When the first inductor 41 works normally, the stacking height of the material plate can be accurately controlled, so that the uppermost material plate is at the first predetermined height. The second inductor 42 serves as a backup and can replace the function of limiting the position of the material plate in the case that the first inductor 41 fails, so as to continue to ensure the accuracy of the stacking height of the material plate.

[0050] When the first sensor 41 fails due to various reasons (such as element damage, line failure, precision decline caused by long-term use, etc.), when the uppermost layer of the material plate reaches the first predetermined height, the first sensor 41 cannot sense the uppermost layer of the material plate, and when the uppermost layer of the material plate continues to rise to the second predetermined height and blocks the light of the second sensor 42, the second sensor 42 can detect the uppermost layer of the material plate and send a signal to the position. After receiving the signal, the lifting mechanism 2 stops the rising action, preventing the lifting mechanism 2 from driving the material receiving table 1 to continue rising blindly when the first sensor 41 fails, and causing the material receiving table 1 to overshoot.

[0051] The second sensor 42 also has a sensing mechanism that can accurately determine the position of the uppermost layer of the material plate, and its working principle is the same as that of the first sensor 41. The height difference between the second predetermined height and the first predetermined height is large, which is determined according to the height difference between the installation positions of the second sensor and the first sensor.

[0052] In an embodiment, as shown in Figure 1 、 Figure 3 , the material receiving table 1 comprises a first connecting piece 11, a second connecting piece 12 and a plurality of support shafts 13, the plurality of support shafts 13 are connected between the first connecting piece 11 and the second connecting piece 12, and the first connecting piece 11 is located above the second connecting piece 12. The driving member 31 is installed on the first connecting piece 11, the conveying mechanism 3 is installed on the first connecting piece 11, and the output end of the lifting mechanism 2 is connected with the second connecting piece 12. The driving force of the lifting mechanism 2 is transmitted to the second connecting piece 12 through its output end, and the second connecting piece 12 drives the plurality of support shafts 13 and the first connecting piece 11 connected therewith to move vertically as a whole, realizing the reciprocating movement function of the material receiving table 1 in the vertical direction. The overall structure formed by the mutual connection of the first connecting piece 11, the second connecting piece 12 and the plurality of support shafts 13 makes the material receiving table 1 have better structural stability during lifting and conveying of the material plate.

[0053] In an embodiment, as shown in Figure 1 、 Figure 2 , the material receiving table further comprises a base 5 and a guide shaft 54, the guide shaft 54 is installed on the base 5, and the second connecting piece 12 is movably connected to the guide shaft 54. The guide shaft 54 is used for guiding the material receiving table 1 when the material receiving table 1 moves in the vertical direction. When the material receiving table 1 moves in the vertical direction, the guide shaft 54 is movably connected with the second connecting piece 12, which limits the freedom of the material receiving table 1 in other directions and only allows it to move linearly in the vertical direction, so that the guide shaft 54 can accurately guide the material receiving table 1 during the lifting of the material receiving table 1, ensuring that each lifting action of the material receiving table 1 can be carried out along the accurate vertical direction, avoiding the occurrence of tilting, deviation and other conditions that affect the stacking and conveying of the material plate.

[0054] The movable connection between the second connecting member 12 and the guide shaft 54 is usually in the form of a linear bearing connection or a sliding block guide rail connection, etc.

[0055] In this embodiment, the second connecting member 12 and the guide shaft 54 are connected by a linear bearing connection. The second connecting member 12 is provided with a linear bearing, and the guide shaft 54 is arranged in the linear bearing. When the lifting mechanism 2 drives the second connecting member 12 to move up and down, the rolling bodies (such as balls, rollers, etc.) inside the linear bearing roll between the guide shaft 54, thereby achieving smooth sliding of the second connecting member 12 along the guide shaft 54.

[0056] In an embodiment, the guide shaft 54 is provided in multiple numbers, and the multiple guide shafts 54 are arranged at intervals on the base 5, further ensuring accurate guidance of the material receiving table 1, and also limiting the rotation or deviation of the material receiving table 1 in the plane.

[0057] In a specific embodiment, the guide shaft 54 is provided in four numbers, and the second connecting member 12 is provided with four linear bearings correspondingly. Each guide shaft 54 is arranged in the corresponding linear bearing, further improving the guiding effect on the material receiving table 1.

[0058] In an embodiment, as shown in Figure 1 The base 5 is provided with a sensor support 55. The sensor support 55 is provided with the first sensor 41 and the second sensor 42 at the end away from the base 5, so that the first sensor 41 and the second sensor 42 are located above the belt 34.

[0059] In an embodiment, as shown in Figure 2 The base 5 includes a support plate 51, a bottom plate 52, and a plurality of connecting rods 53. The plurality of connecting rods 53 are connected between the support plate 51 and the bottom plate 52. The support plate 51 is closer to the conveying mechanism 3 than the bottom plate 52, i.e., the support plate 51 is located at the upper part of the base 5, and the bottom plate is located at the lower part of the base 5.

[0060] The guide shaft 54 is arranged in the second connecting member 12 and connected between the support plate 51 and the bottom plate 52. The multiple guide shafts 54 are arranged at intervals between the support plate 51 and the bottom plate 52, and the multiple guide shafts 54 ensure that each lifting action of the material receiving table 1 is along the accurate vertical direction.

[0061] The support plate 51 is arranged between the first connecting piece 11 and the second connecting piece 12 in the vertical direction, and the support shaft 13 penetrates the support plate 51. That is, one end of the support shaft 13 is connected with the first connecting piece 11, and the other end of the support shaft 13 is connected with the second connecting piece 12 after penetrating the support plate 51, so that the movement stroke of the second connecting piece 12 can be limited by the guide shaft 54 and the support plate 51. When the second connecting piece 12 moves upward along the guide shaft 54, the maximum height of the upward movement of the second connecting piece 12 is blocked by the support plate 51, so as to avoid exceeding the reasonable stroke range. When the second connecting piece 12 moves downward, it will not excessively move downward to be disconnected with the effective connection of the guide shaft 54 and other components, so as to ensure that the second connecting piece 12 and the material receiving table 1 always move in a stroke range, and the lifting range of the material receiving table 1 in the vertical direction can be effectively limited.

[0062] In the embodiment, when the support shaft 13 is connected with the support plate 51, the support plate 51 is provided with a through hole, and the support shaft 13 penetrates the through hole, so that the upward and downward movement of the material receiving table 1 does not interfere with the support shaft 13.

[0063] In an embodiment, the support shaft 13 is provided with four support shafts, which can increase the carrying capacity of the first connecting piece 11. The support plate 51 is provided with through holes corresponding to the number of support shafts 13, and each support shaft 13 penetrates the corresponding through hole and is connected with the second connecting piece 12.

[0064] In an embodiment, as shown in Figure 2 , Figure 3 The lifting mechanism 2 includes a lifting motor 21, a lead screw 22 and a nut seat 23. The lead screw 22 is installed on the base 5, the lifting motor 21 is installed on the support plate 51, the lead screw 22 is connected between the support plate 51 and the bottom plate 52, the output end of the lifting motor 21 is connected with the lead screw 22, and the nut seat 23 is threadedly connected outside the lead screw 22 and connected with the second connecting piece 12. The lifting motor 21 can drive the lead screw 22 to rotate, so as to drive the material receiving table 1 to move in the vertical direction. By accurately controlling the lifting of the material receiving table 1, it can be ensured that each material plate can be stacked in sequence and at a predetermined height, so as to meet the requirements of different production scenes on the height of the material receiving table 1 for material plate stacking and conveying.

[0065] In an embodiment, as shown in Figure 2As shown, the lifting mechanism 2 further comprises a synchronous belt assembly 24, the synchronous belt assembly 24 comprising a second driving wheel 241, a second driven wheel 242 and a second synchronous belt 243, the second driving wheel 241 being connected with the output end of the lifting motor 21, the second driven wheel 242 being installed on the lead screw 22, and the second synchronous belt 243 being wound around the second driving wheel 241 and the second driven wheel 242, the lifting motor 21 driving the second driving wheel 241 to rotate, and under the transmission of the second synchronous belt, the second driven wheel 242 and the lead screw 22 connected therewith rotate, driving the nut seat 23 to move up and down along the lead screw 22, and further driving the material receiving table 1 to move up and down.

[0066] In another aspect, the utility model provides a sorting device, comprising a moving mechanism, a mechanical hand and the material table of the above embodiment, the output end of the moving mechanism is connected with the mechanical hand, the mechanical hand is used for grabbing the material plate, and the moving mechanism can drive the mechanical hand to move to transfer the material plate to the material receiving table 1. After the mechanical hand performs the grabbing action, the moving mechanism is started, drives the mechanical hand that has grabbed the material plate to move according to the predetermined path, stably transfers the material plate to the material receiving table 1 of the material table, makes the material plate gradually stack on the material receiving table 1, and the stacked material plate can be taken away manually or connected with other conveying belts and continuously conveyed to the target position through the conveying mechanism 3.

[0067] The moving mechanism can drive the mechanical hand to move flexibly in three-dimensional space, and the mechanical hand can accurately grab the material plate and accurately drop the material plate on the material receiving table 1.

[0068] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A table, characterized in that The lifting mechanism, the material receiving table and the conveying mechanism are included; The output end of the lifting mechanism is connected with the material receiving table, the material receiving table is used for receiving the material plate, the lifting mechanism can drive the material receiving table to move reciprocally along the vertical direction, so as to stack a plurality of the material plates on the material receiving table; The conveying mechanism is arranged on the material receiving table, the conveying mechanism is used for driving the stacked material plates to move along the first direction and to be sent out of the material receiving table; wherein the first direction intersects with the vertical direction.

2. The table of claim 1, wherein The material table further includes a first sensor, the first sensor is located above the material receiving table in the vertical direction; When the lifting mechanism drives the material receiving table to move upward along the vertical direction, the first sensor is used for sensing the position of the uppermost material plate, so that after the stacking of each material plate is completed, the lifting mechanism can transport and stop the uppermost material plate at a first predetermined height.

3. The table of claim 2, wherein The conveying mechanism includes a driving member and a conveying member, the driving member is installed on the material receiving table, the driving member can drive the conveying member to move, so as to drive the stacked material plates to move along the first direction.

4. The table of claim 3, wherein The conveying member includes a driving shaft, a driven shaft and a belt, the output end of the driving member is connected with the driving shaft, the driving shaft and the driven shaft are arranged on the material receiving table along the first direction, and the belt is wound on the driving shaft and the driven shaft.

5. The table of claim 2 wherein, The material table further includes a second sensor, the second sensor is arranged above the first sensor, the second sensor is used for sensing the position of the uppermost material plate, so that after the stacking of each material plate is completed and when the first sensor fails, the lifting mechanism can transport and stop the uppermost material plate at a second predetermined height, the second predetermined height is above the first predetermined height.

6. A table as claimed in any one of claims 1 to 5, characterised in that, The material receiving table includes a first connecting member, a second connecting member and a plurality of supporting shafts, the plurality of supporting shafts are connected between the first connecting member and the second connecting member, the conveying mechanism is installed on the first connecting member, and the output end of the lifting mechanism is connected with the second connecting member.

7. The table of claim 6, wherein The material table further includes a base and a guide shaft, the guide shaft is installed on the base, the second connecting member is movably connected with the guide shaft, and the guide shaft is used for guiding the material receiving table when the material receiving table moves along the vertical direction.

8. The table of claim 7, wherein The base includes a supporting plate, a bottom plate and a plurality of connecting rods, the plurality of connecting rods are connected between the supporting plate and the bottom plate, and the supporting plate is closer to the conveying mechanism than the bottom plate; The guide shaft is arranged through the second connecting member and is connected between the supporting plate and the bottom plate; The supporting plate is arranged between the first connecting member and the second connecting member along the vertical direction, and the supporting shaft is arranged through the supporting plate.

9. The table of claim 7 wherein, The lifting mechanism includes a lifting motor, a lead screw and a nut seat, the lead screw is installed on the base, the output end of the lifting motor is connected with the lead screw, and the nut seat is threadedly connected outside the lead screw and is connected with the second connecting member; The lifting motor can drive the screw rod to rotate, so as to drive the material receiving table to move along the vertical direction.

10. A sorting device, characterized in that The material receiving table comprises a moving mechanism, a mechanical hand and the material receiving table according to any one of claims 1-9, the output end of the moving mechanism is connected with the mechanical hand, the mechanical hand is used for grabbing the material plate, and the moving mechanism can drive the mechanical hand to move, so as to transfer the material plate to the material receiving table.

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