CN116393416A

CN116393416A - Stacking device

Info

Publication number: CN116393416A
Application number: CN202310659861.XA
Authority: CN
Inventors: 范杨涛; 杨硕; 彭军民
Original assignee: Advanced Institute of Information Technology AIIT of Peking University; Hangzhou Weiming Information Technology Co Ltd
Current assignee: Advanced Institute of Information Technology AIIT of Peking University; Hangzhou Weiming Information Technology Co Ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-07-07

Abstract

The invention relates to a stacking device. The stacking device includes: a plurality of product receiving members for receiving products; the lifting device is connected with the product receiving piece and drives the product receiving piece to lift; the first roller assemblies are correspondingly arranged below each product receiving piece and comprise a plurality of first rollers, gaps are formed among the first rollers, and the product receiving pieces can penetrate through the gaps; the second roller assembly comprises at least one second roller, the second roller assembly is arranged on one side of the first roller assembly along the conveying direction of the first roller assembly, the second roller is in transmission connection with the first roller, and the size of the axial direction of the second roller is larger than that of the axial direction of the first roller assembly, so that the second roller assembly can receive products on the at least one first roller assembly. The stacking device can simultaneously realize stacking and transferring of products, and the whole process is automatic.

Description

Stacking device

Technical Field

The invention belongs to the technical field of product stacking, and particularly relates to a stacking device.

Background

This section provides merely background information related to the present disclosure and is not necessarily prior art.

The modern society environmental protection concept is more and more deep, and the corresponding income of a plurality of country regions forbids plastic products, phase out plastic products, encourages to use degradable environmental protection materials to replace. At present, the use of environment-friendly materials is greatly promoted in China, remarkable effects are achieved, and the use of paper-plastic cutlery boxes instead of plastic cutlery boxes is a typical link.

The paper plastic product can generate partial defective products in the forming process, and the defective products are caused by various reasons, such as damage caused by insufficient local pulp concentration; impurities remain in the pulp, causing poor appearance, and the like. Therefore, products are required to be detected and defective products are removed. The inspected products need to be stacked and transported to other locations. In the existing production process, the products are stacked and transported manually, the efficiency is low, the cost is high, and in the existing stacking device, a transport mechanism cannot be shared among a plurality of stacking devices, so that the stacking device is huge in size and complex in structure

Disclosure of Invention

The invention aims to solve the technical problem that the existing stacking device cannot stack and transport products at the same time at least to a certain extent.

To achieve the above object, the present invention provides a stacking apparatus including: a plurality of product receiving members for receiving products; the lifting device is connected with the product receiving piece and drives the product receiving piece to lift; the first roller assemblies are correspondingly arranged below each product receiving piece and comprise a plurality of first rollers, gaps are formed among the first rollers, and the product receiving pieces can penetrate through the gaps; the second roller assembly comprises at least one second roller, the second roller assembly is arranged on one side of the first roller assembly along the conveying direction of the first roller assembly, the second roller is in transmission connection with the first roller, and the size of the axial direction of the second roller is larger than that of the axial direction of the first roller assembly, so that the second roller assembly can receive products on the at least one first roller assembly.

The stacking device has the beneficial effects that: after the lifting device controls the product receiving part to descend, the product receiving part can enter a gap between the first rollers, so that the product stacked on the product receiving part is placed on the first roller assembly, the first roller assembly can receive and transfer the product stacked, stacking and transferring of the product can be achieved simultaneously, automation of the whole process is achieved, and production cost is reduced. And a plurality of product receiving pieces can be controlled independently by the lifting device and the first roller assembly corresponding to the product receiving pieces, stacking and transferring of products are independently carried out, and the stacking and transferring of products are not affected by each other.

In addition, the above-described stacking device according to the present invention may have the following additional technical features.

In some embodiments of the invention, the product receiving member is a cross-shaped support frame and the gap is also cross-shaped.

In some embodiments of the present invention, at least some of the first rollers are spaced apart along the conveying direction of the first roller assembly, and any adjacent two of the first rollers along the conveying direction of the first roller assembly are in driving connection with each other.

In some embodiments of the invention, at least two second roller assemblies are juxtaposed along the axial direction of the second roller to collectively receive the products on the plurality of first roller assemblies.

In some embodiments of the present invention, the stacking device further comprises a power device, the power device comprises a driving motor, a driving gear and a driven gear, the driving motor is connected with the driving gear and drives the driving gear to rotate, the driving gear and the driven gear are meshed with each other, and the driven gear is in transmission connection with the second roller to drive the second roller to rotate.

In some embodiments of the present invention, the power device further includes a first output shaft and a second output shaft, each of the first output shaft and the second output shaft is connected to the driven gear and rotates in the same direction under the drive of the driven gear, and each of the first output shaft and the second output shaft is in driving connection with a second roller assembly.

In some embodiments of the invention, the stacking device further comprises a load cell and a support member disposed on a lower surface of the load cell and adapted to support the load cell, the load cell being coupled to a lower surface of the product receiving member to weigh the product received by the product receiving member.

In some embodiments of the invention, the lifting device comprises a first support table and a support bar, the support bar comprising a first end and a second end arranged opposite each other in the axial direction of the support bar, the first end being connected to the upper surface of the first support table and the second end being connected to the lower surface of the support or the lower surface of the product receiving member.

In some embodiments of the invention, the lifting device comprises a screw structure or a cylinder structure to drive the first support table to move up and down.

In some embodiments of the present invention, the lifting device further includes a second supporting table and a guide shaft, the second supporting table is disposed below the first supporting table, the first supporting table is formed with a guide hole, the guide shaft includes a first end and a second end disposed opposite to each other along an axial direction thereof, the first end is connected to an upper surface of the second supporting table, and the second end is disposed through the guide hole.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures.

Fig. 1 is a perspective view of a palletizing device, product and suction cup provided by an embodiment of the present invention.

Fig. 2 is a perspective view of a palletizing device, product and suction cup provided by an embodiment of the present invention.

FIG. 3 is a side view of a product, a first roller assembly and a lifting device provided by one embodiment of the invention.

FIG. 4 is a top view of a product receiver, a first roller assembly, and a second roller assembly provided in accordance with one embodiment of the present invention.

FIG. 5 is a perspective view of a first roller assembly and a second roller assembly provided in accordance with one embodiment of the present invention.

FIG. 6 is a perspective view of a second roller assembly and power plant provided in accordance with one embodiment of the present invention.

Fig. 7 is a perspective view of a product receiving member and lifting device provided by one embodiment of the present invention.

Fig. 8 is a perspective view of a product receiving member and lifting device provided by one embodiment of the present invention.

FIG. 9 is a perspective view of a product receiving member, a first roller assembly, a second roller and a lifting device provided in one embodiment of the invention.

Wherein, the reference numerals are as follows:

100. a stacking device; 200. A product;

10. a product receiving member;

20. a lifting device; 21. a weighing sensor; 22. a support; 23. a support rod; 24. a first support table; 25. a ball screw; 26. a nut; 27. a guide shaft; 28. a second support table; 29. a motor;

30. a first roller assembly; 31. a first roller; 32. a gap; 33. a roller body; 34. a rotating wheel; 35. a wide belt; 36. a round belt;

40. a second roller assembly; 41. a second roller; 42. a roller support platform;

50. a power device; 51. a driving motor; 52. a drive gear; 53. a driven gear; 54. a first output shaft; 55. a second output shaft;

300. and a sucking disc.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

As shown in fig. 1, 2 and 3, the present invention provides a stacking apparatus 100 for stacking and transferring products 200, the stacking apparatus 100 comprising: a plurality of product receiving members 10, the product receiving members 10 for receiving the products 200; the lifting device 20 is connected with the product receiving member 10 and drives the product receiving member 10 to lift; the first roller assemblies 30 are correspondingly arranged below each product receiving member 10, each first roller assembly 30 comprises a plurality of first rollers 31, gaps 32 are formed among the first rollers 31, and the product receiving members 10 can penetrate through the gaps 32 after descending; the second roller assembly 40, the second roller assembly 40 includes at least one second roller 41, the second roller assembly 40 locates one side of the first roller assembly 30 along the conveying direction of the first roller assembly 30, the second roller 41 is connected with the first roller 31 in a transmission way, and the size of the second roller 41 in the axial direction is greater than that of the first roller assembly 30 so that the second roller assembly 40 can receive the product on at least one first roller assembly 30. Product 200 includes paper plastic and the like.

After the lifting device 20 controls the product receiving member 10 to descend, the product receiving member 10 enters the gap 32 between the first rollers 31, so that the product 200 stacked on the product receiving member 10 is placed on the first roller assembly 30, and the first roller assembly 30 can receive and transfer the stacked product 200, therefore, the stacking device 100 of the invention can realize stacking and transferring of the product, automation of the whole process and reduction of production cost. In addition, each product receiving member 10 is controlled to be lifted by its corresponding individual lifting device 20, and a plurality of product receiving members 10 can be lifted and transferred independently according to the conditions of the products stacked thereon. Further, the second roller assembly 40 may be shared by at least one product receiving member 10, and in the case where the second roller assembly 40 is shared by a plurality of product receiving members 10, a common transfer mechanism may be achieved, and the stacking apparatus 100 may be compact and space-saving.

The product receiving member 10 is a cross-shaped supporting frame, which comprises a cross bar and a vertical bar, the cross bar and the vertical bar are fixedly connected with each other in a perpendicular manner, and the overlapping position of the cross bar and the vertical bar is the central area of the product receiving member 10. The product receiving member 10 receives the product by adopting the cross-shaped supporting frame to support the product, so that the product receiving member 10 can receive products with various shapes, depths and sizes, and has higher universality.

The number of the product receiving members 10 is plural, so that the product receiving members 10 can receive products of different classifications and stack the products in classifications. In one embodiment, the product receiving member 10 is three. The three product receiving members 10 are for receiving the pass product 200, the fail product 200, or the repair product 200, respectively. In one embodiment, three product receiving members 10 are used to receive first-class product 200, second-class product 200, or third-class product 200, respectively. The product receiving member 10 is cross-shaped and the gap 32 between the first rollers 31 is also easily formed in a cross shape such that the product receiving member 10 is form-fitted with the gap 32 between the first rollers 31. The gap 32 is disposed opposite and overlapping the product receiving member 10. After the product receiving member 10 is lowered by the lifting device 20, the product receiving member 10 is threaded through the gap 32 between the first rollers 31 such that the stacked products 200 on the product receiving member 10 will be transferred from the product receiving member 10 to the first roller assembly 30.

The first roller assembly 30 includes a plurality of first rollers 31, a conveying direction of the plurality of first rollers 31 is perpendicular to an axial direction thereof, and the plurality of first rollers 31 are aligned along the axial direction of the first rollers 31 and the conveying direction of the first roller assembly 30. Referring to fig. 4 and 5, the axial direction is denoted by Z, the conveying direction is denoted by S, the height direction is denoted by H, and the three directions are perpendicular to each other.

The plurality of first rollers 31 form a cross-shaped gap 32. A cross-shaped gap 32 corresponds to the underside of each product receiving member 10. The first roller 31 is cylindrical. The first roller 31 includes a cylindrical roller body 33, and the roller body 33 includes a first side and a second side disposed opposite to each other along an axial direction thereof. In one embodiment, the first roller 31 further includes a wheel 34 located on the first side and/or the second side of the roller body 33. In one embodiment, 8 first rollers 31 form a cross gap 32. The cross gap 32 corresponds to four areas, i.e. two first rollers 31 are provided in each area, and the two first rollers 31 are arranged in parallel and at intervals in the conveying direction. In the present embodiment, the number of the cross gaps 32 is three, and they are respectively located below the three product receiving members 10. In one embodiment, two first rollers 31 adjacent in the conveying direction are in driving connection with each other by means of a round belt 36. In one embodiment, two adjacent first rollers 31 along the conveying direction are in transmission connection through a combination of a wide belt 35 and a rotating wheel 34, namely, the wide belt 35 is sleeved on the rotating wheel 34 on the same side (namely, the first side or the second side) of the two adjacent first rollers 31. In one embodiment, two first rollers 31 adjacent in the conveying direction are in driving connection with each other by means of a combination of a round belt 36 and/or a wide belt 35 and a rotating wheel 34.

In one embodiment, a lifting device 20 and a first roller assembly 30 are correspondingly arranged below each product receiving member 10, and at least one cross gap 32 is formed in each first roller assembly 30, so that each product receiving member 10 can be independently controlled to lift by the lifting device 20 below the first roller assembly, after the number of products on a single product receiving member 10 reaches a threshold value, the lifting device 20 controls the product receiving member 10 to descend, and the stacked products on the product receiving member 10 are placed on the first roller assembly 30 below the product receiving member 10, and other product receiving members 10 can be kept in a product receiving state or in an inactive state, i.e. a plurality of product receiving members 10 independently work and do not affect each other.

The palletizer apparatus 100 further comprises a second roller assembly 40, the second roller assembly 40 comprising at least one second roller 41, the second roller 41 being adapted to drive the first roller 31 in rotation. In one embodiment, the second roller assembly 40 includes a plurality of second rollers 41 disposed in parallel and spaced apart relation along the conveying direction. The second roller 41 is parallel to the first roller 31, and the dimension of the second roller 41 in the axial direction is larger than that of the first roller 31, so that a single second roller 41 can drive a plurality of first rollers 31, and the power device 50 can drive fewer second roller assemblies 40, so that the number of power devices 50 required is saved. Two adjacent second rollers 41 along the conveying direction are in transmission connection with each other in a belt wheel mode formed by combining a wide belt and a rotating wheel. In one embodiment, pulleys are alternately disposed at the first and second sides of the adjacent two second rollers 41 along the conveying direction to achieve a driving connection of the plurality of second rollers 41 aligned along the conveying direction such that the plurality of second rollers 41 aligned along the conveying direction are rotated in the same direction. That is, the pulleys are disposed on the first sides of the upper pair of adjacent two second rollers 41 in the conveying direction, and thereafter, the pulleys are disposed on the second sides of the lower pair of adjacent two second rollers 41. Referring to fig. 5, in the present embodiment, 7 second rollers 41 are disposed in parallel and at intervals along the conveying direction to form one second roller assembly, and two second roller assemblies are disposed in parallel along the axial direction, that is, 14 second rollers 41 form two second roller assemblies 40. The second roller 41 farthest from the first roller 31 in the conveying direction is defined as the main driving roller, and the second roller 41 nearest to the first roller 31 in the conveying direction is defined as the driving output roller. The other second rollers 41, which are arranged parallel to and spaced from the main driving roller in the conveying direction, are driven to rotate in the same direction by the driving output roller, and at least one first roller 31 is driven to rotate in the same direction by the driving output roller. The palletizing device 100 may further comprise a roller support platform 42, the roller support platform 42 for supporting and fixing the first roller 31 and the second roller 41.

In one embodiment, the stacking apparatus 100 includes only one second roller assembly 40, and the second roller assembly 40 includes a plurality of second rollers 41 disposed parallel to and spaced apart from each other along the conveying direction. In one embodiment, the axial dimension of second roller 41 is long enough to receive the product transported by the plurality of first roller assemblies 30. In one embodiment, second roller 41 is sized long enough to receive all of the product transported by first roller assembly 30. In one embodiment, second roller 41 may receive three products transported by first roller assembly 30. In one embodiment, the length of the second roller 41 is greater than or equal to the sum of the lengths of the plurality of first roller assemblies 30 in the axial direction. The single second roller assembly 40 receives the products transported by the plurality of first roller assemblies 30, which may result in a compact stacking device 100, space saving, and improved control efficiency.

Referring to fig. 6, the stacking apparatus 100 further includes a power device 50, and the power device 50 drives the second roller 41 to rotate. In one embodiment, the power device 50 drives the main drive roller to rotate, which in turn drives the other second rollers 41 to rotate, ultimately driving the first roller 31 to rotate. It will be appreciated that the power unit 50 may also drive the drive output roller directly. In one embodiment, the second roller 41 and the first roller 31 rotate in the same direction to transfer the product 200 from the first roller 31 to the second roller 41 and further transfer the product 200 through the second roller 41, thereby effecting the transfer of the product 200.

The power unit 50 includes a driving motor 51, a driving gear 52, and a driven gear 53. The drive motor 51 includes an output shaft that drives the drive gear 52 to rotate. In one embodiment, the driving gear 52 is formed with a central hole, and the output shaft is inserted through the central hole of the driving gear 52 and fixedly connected with the driving gear 52, thereby driving the driving gear 52 to rotate. The driving gear 52 and the driven gear 53 are engaged with each other so that the driving gear 52 can drive the driven gear 53 to rotate. The power device 50 further includes a first output shaft 54 and a second output shaft 55, where the first output shaft 54 and the second output shaft 55 are respectively connected to two side surfaces of the driven gear 53 that are opposite to each other along the axial direction, and the driven gear 53 rotates to drive the first output shaft 54 and the second output shaft 55 to rotate in the same direction as the driven gear 53. The first output shaft 54 and the second output shaft 55 are respectively connected with the main driving roller pulleys of the two second roller assemblies 40, namely, a wide belt is sleeved between the first output shaft 54 and the rotating wheel 34 of the main driving roller of one second roller assembly 40 so that the first output shaft 54 and the main driving roller rotate in the same direction, and a wide belt is sleeved between the second output shaft 55 and the rotating wheel 34 of the main driving roller of the other second roller assembly 40 so that the second output shaft 55 and the main driving roller rotate in the same direction. By adding the first output shaft 54 and the second output shaft 55, the power device 50 can drive the two second roller assemblies 40 at the same time, so that the driving effect of the power device 50 is improved. It will be appreciated that the power unit 50 may be disposed on the underside of the second roller assembly 40 such that the power unit 50 does not interfere with the transfer of product by the second roller assembly 40.

In embodiments where the stacking apparatus 100 includes only one second roller assembly 40, the second roller assembly 40 is directly coupled to the driven gear, or the second roller assembly 40 is coupled to the driven gear via the first output shaft 54 or the second output shaft 55, in which case the power device 50 may be disposed at a side or bottom side of the second roller assembly 40 so as not to interfere with the transfer of the product by the second roller assembly 40.

Referring to fig. 7, 8 and 9, the palletizing device 100 further comprises a weighing device comprising a load cell 21 and a support 22. A load cell 21 is attached to the lower surface of the product receiver 10. In one embodiment, the product receiving member 10 is cross-shaped and the load cell 21 is located in a vertically projected area of the product receiving member 10 in the height direction. In one embodiment, the load cell 21 is connected to the lower surface of the central region of the product receiver 10, and the area of the load cell 21 is smaller than the area of the central region. In this way, the load cell 21 can pass through the cross gap 32 during descent of the product receiver 10 without affecting subsequent entry of the product receiver 10 into or through the cross gap 32. The product 200 is placed on the upper surface of the product receiver 10. In the process that the lifting device 20 drives the product receiving member 10 to descend, the weighing sensor 21 can weigh the products 200 stacked on the upper surface of the product receiving member 10 and send the weighing result to the control device, and the control device is a core processing unit of the product line formed by the product detection device and the stacking device 100. The load cell 21 is connected in communication with the control device. In one embodiment, the load cell 21 is electrically connected to the control device.

The support 22 is provided at the lower surface of the load cell 21 and serves to support the load cell 21. The shape of the support 22 is not limited and in one embodiment, the support 22 is cross-shaped and includes four support fins that are smaller in size than the gap 32. The cross shape of the support 22 is arranged to overlap the cross shape of the product receiving member 10 such that during lowering of the product receiving member 10, the support 22 is arranged below the product receiving member 10, whereby the support 22 initially enters and passes through the cross gap 32 below the product receiving member 10.

Referring to fig. 7, 8 and 9, the lifting device 20 includes a support bar 23, a first support table 24, a ball screw 25, a nut 26, a guide shaft 27, a second support table 28 and a motor 29. The number of the lifting devices 20 corresponds to the number of the product receiving members 10, and each product receiving member 10 corresponds to one lifting device 20 to lift the product receiving member 10.

The support bar 23 extends in the height direction. The support bar 23 is used to support the support 22. In one embodiment, the load cell 21 and the support 22 are not included, and the support bar 23 is used directly to support the product receiver 10. The number of support rods 23 is at least three. In the present embodiment, the number of support rods 23 is three. Each support rod 23 includes a first end and a second end disposed opposite each other along an axial direction thereof, and the axial direction of the support rod 23 is the same as the height direction. The first end is connected to the upper surface of the first support table 24 and the second end is connected to the lower surface of the support 22 or the lower surface of the product receiver 10. In this embodiment, the second ends are connected to three support fins of the support 22.

The first support table 24 has a triangular plate shape, and three corner regions thereof are formed with three guide holes, which are through holes extending in the height direction. In one embodiment, the first support table 24 may be driven to move up and down by a screw structure. A center hole is formed at the center of the first support table 24, a nut 26 is fixed into the center hole, a screw hole is formed at the center of the nut 26, and an internal thread is formed at the inner surface of the screw hole. The ball screw 25 is inserted into the screw hole, an external thread is formed on the outer surface of the ball screw 25, and the ball screw 25 is in threaded connection with the nut 26. The ball screw 25 is connected with an output shaft of the motor 29, the motor 29 drives the ball screw 25 to rotate so as to push the nut 26 to move up and down, the nut 26 is fixedly connected with the first supporting table 24, the first supporting table 24 is further pushed to move up and down, and the supporting piece 22, the weighing sensor 21 and the product receiving piece 10 are further pushed to move up and down through the supporting rod 23.

In one embodiment, the first support table 24 is driven to move up and down by a driving lever. The driving rod is connected with an output shaft of the air cylinder, the air cylinder drives the driving rod to move up and down, and the driving rod is connected to the lower surface of the first supporting table 24 so as to drive the first supporting table 24 to move up and down. The motor 29 and the cylinder are both in communication with the control device. In one embodiment, both the motor 29 and the cylinder are electrically connected to the control device.

The guide shaft 27 functions to ensure that the first support table 24 moves up and down along the guide shaft 27. The number of the guide shafts 27 is at least three. In the present embodiment, the number of the guide shafts 27 is three, and the three guide shafts 27 are inserted into the guide holes. The guide shaft 27 extends in the height direction, and its axial direction is the same as the height direction. Each guide shaft 27 includes a first end and a second end disposed opposite to each other along an axial direction thereof, the first end being connected to an upper surface of the second support table 28, and the second end being provided through the guide hole.

The second support table 28 is also triangular plate-shaped. The second end of the guide shaft 27 is connected to the upper surface of the second support table 28. The center of the second support table 28 is formed with a center hole, the ball screw 25 is inserted into the center hole, and a motor 29 for driving the ball screw 25 to rotate is disposed below the second support table 28 to save space.

In one embodiment, the palletizing device 100 further includes a product detecting device which detects the product 200 and moves the detected product 200 onto the product receiving member 10, the product detecting device including a suction cup 300, and the suction cup 300 may be used to pick up the product 200 and place the detected product 200 on the product receiving member 10.

The stacking device 100 of the present invention operates on the principle that: referring to fig. 1, the lifting device 20 extends the product receiving members 10 such that the product receiving members 10 are in a receiving state, the product detecting device uses the suction cups 300 to place the detected products 200 on the plurality of product receiving members 10 to sort the products 200, the control device counts the products 200 stacked on the product receiving members 10, referring to fig. 7, the product receiving members 10 are in an extending state, and as can be seen in conjunction with fig. 1, in the extending state, the product receiving members 10, the weighing sensors 21, and the supporting members 22 are all located above the first roller assemblies 30, and the supporting rods 23 pass through the gaps 32 between the first rollers 31, so that the diameter of the supporting rods 23 should be smaller than the size of the gaps 32 between the adjacent two first rollers 31; referring to fig. 2, after the number of products 200 on the product receiving member 10 reaches a set threshold, the control device sends an instruction to the lifting device 20, so that the lifting device 20 controls the product receiving member 10 to descend, during the descending process, the weighing sensor 21 weighs the products 200 on the product receiving member 10 and sends the products to the control device, and then the product receiving member 10 enters the cross gap 32 of the first roller assembly 30, and the counted and stacked products 200 are placed on the first roller assembly 30; referring to fig. 8, after lowering, the product receiving member 10 is in a retracted state, and as can be seen in fig. 2, the product receiving member 10 enters the cross gap 32 between the first rollers 31, or the product receiving member 10 passes through the cross gap 32 to be located below the first roller assembly 30, at this time, the product receiving member 10 and the lifting device 20 are both located below the first roller assembly 30, and the product 200 is left on the first roller assembly 30; the stacked products 200 first fall onto the first roller assembly 30, and the first roller assembly 30 rotates in the same direction, driving the products 200 toward the second roller assembly 40. The rotation direction of the second roller assembly 40 is the same as that of the first roller assembly 30, and further drives the product 200 to move away from the cross gap 32, so that the product 200 is transported.

The stacking device 100 of the present invention has the advantages that: first, under the condition that the product receiving pieces 10 are at least two, the product receiving pieces 10 can receive products with different classification results, the weighing sensor can weigh the products received by the product receiving pieces 10, the control device can count the stacked products, and the lifting device, the first roller assembly and the second roller assembly can realize the transportation of the stacked products, so that the stacking device 100 provided by the invention can realize the classification, stacking, counting, weighing and transportation of the products, and the whole process is automatic, so that the personnel cost is reduced; secondly, the product receiving part 10 receives products in a mode of supporting the products by the cross-shaped supporting frame, so that the product receiving part 10 can receive products in various shapes, depths and sizes, and universality is high, and therefore, on the premise of not increasing production lines, the same quality inspection line can support classification, stacking and transferring of various products 200, equipment investment of a producer is reduced, and benefits are increased; thirdly, by adjusting the number of the product receiving pieces 10, the products 200 can be scientifically classified, and the adaptability to the detection result of the products 200 is strong; the fourth and second roller assemblies 40 can receive the product transported by at least one of the first roller assemblies 30, so that the first roller assemblies 30 share the transport device, and the whole stacking device 100 is compact and saves space.

The foregoing details of the optional implementation manner of the embodiment of the present invention have been described above with reference to the accompanying drawings, but the embodiment of the present invention is not limited to the specific details of the foregoing implementation manner, and various simple modifications may be made to the technical solution of the embodiment of the present invention within the scope of the technical concept of the embodiment of the present invention, and these simple modifications all fall within the protection scope of the embodiment of the present invention.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of embodiments of the present invention are not described in detail.

Those skilled in the art will appreciate that all or part of the steps in implementing the methods of the embodiments described above may be implemented by a program stored in a computer-readable storage medium, including instructions for causing a (e.g., single-chip, etc.) or refrigeration mode control device (e.g., processor) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned computer-readable storage medium includes: a U-disk, a removable hard disk, a Read-only memory (ROM), a random access memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A stacking device, comprising:

a plurality of product receiving members for receiving products;

the lifting device is connected with the product receiving piece and drives the product receiving piece to lift;

the lower part of each product receiving piece is correspondingly provided with one first roller assembly, each first roller assembly comprises a plurality of first rollers, gaps are formed among the first rollers, and the product receiving pieces can penetrate through the gaps;

the second roller assembly comprises at least one second roller, the second roller assembly is arranged on one side of the first roller assembly along the conveying direction of the first roller assembly, the second roller is in transmission connection with the first roller, and the size of the axial direction of the second roller is larger than that of the axial direction of the first roller assembly, so that the second roller assembly can receive at least one product on the first roller assembly.

2. The stacking device of claim 1 wherein said product receiving member is a cross-shaped support frame and said gap is also cross-shaped.

3. The stacking device of claim 1 wherein at least some of said first rollers are spaced apart along the direction of conveyance of said first roller assembly and any adjacent two of said first rollers along said direction of conveyance of said first roller assembly are drivingly connected.

4. A stacking device as claimed in claim 1 wherein at least two of said second roller assemblies are juxtaposed in an axial direction of said second roller assemblies to collectively receive said products on a plurality of said first roller assemblies.

5. The stacking device of claim 4 further comprising a power device comprising a drive motor, a drive gear, and a driven gear, wherein the drive motor is coupled to the drive gear and drives the drive gear in rotation, wherein the drive gear and the driven gear are in mesh with each other, and wherein the driven gear is drivingly coupled to the second roller to drive the second roller in rotation.

6. The stacking device of claim 5 wherein said power means further comprises a first output shaft and a second output shaft, said first output shaft and said second output shaft both connected to said driven gear and rotated in the same direction by said driven gear, said first output shaft and said second output shaft each drivingly connected to one of said second roller assemblies.

7. The palletizing apparatus according to claim 1, further comprising a load cell and a support member disposed at a lower surface of the load cell for supporting the load cell, the load cell being connected to a lower surface of the product receiving member to weigh the product received by the product receiving member.

8. The stacking device of claim 7 wherein the lifting device comprises a first support table and a support bar, the support bar comprising a first end and a second end disposed opposite each other along its axial direction, the first end being connected to an upper surface of the first support table and the second end being connected to a lower surface of the support member or a lower surface of the product receiving member.

9. The stacking device of claim 8 wherein the lifting device comprises a screw structure or a cylinder structure to drive the first support table up and down.

10. The stacking device of claim 9, wherein the lifting device further comprises a second support table and a guide shaft, the second support table is disposed below the first support table, the first support table is formed with a guide hole, the guide shaft comprises a first end and a second end disposed opposite to each other along an axial direction thereof, the first end is connected to an upper surface of the second support table, and the second end is disposed through the guide hole.