Automatic material collecting device

Abstract

The application relates to an automatic material collecting device, which comprises a rack, a material suction position, a material collecting position and a material stacking position arranged in sequence on the rack, a suction moving mechanism arranged on the rack and used for sucking and moving the material on the material suction position to the material collecting position, and a material carrying mechanism, which comprises a tray, a material pushing assembly, a first lifting assembly and a second lifting assembly. The tray is arranged on the material collecting position, the material pushing assembly is arranged corresponding to the material collecting position, the first lifting assembly is arranged corresponding to the material collecting position, and the second lifting assembly is arranged corresponding to the material stacking position. In working, the suction moving mechanism sucks and moves the material on the material suction position to the tray on the material collecting position, when the material on the tray on the material collecting position reaches a preset quantity, the material pushing assembly pushes the tray carrying the preset quantity of materials from the material collecting position to the material stacking position, and when the trays carrying the preset quantity of materials on the material stacking position are stacked to a certain quantity, the trays are collectively transferred, so that the automation degree is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automation production, in particular to an automatic material collecting device. BACKGROUND

[0002] With the progress of the times and the development of science and technology, automatic equipment is widely used in various industries, which is conducive to improving production efficiency. However, the material collecting link of traditional automatic equipment is generally manually collected or composed of a suction unit of a semi-automatic vacuum suction cup. After the material is simply adsorbed and moved to a set position by the suction unit, manual material stacking is required, which results in high labor intensity, high labor cost, and low efficiency. SUMMARY

[0003] Therefore, it is necessary to provide an automatic material collecting device to solve the problems of high labor intensity, high labor cost, and low efficiency caused by the fact that the material is simply adsorbed and moved to a set position by the suction unit and then manually stacked.

[0004] An automatic material collecting device comprises:

[0005] a rack, the rack having a material suction position, a material collecting position, and a material stacking position arranged in sequence;

[0006] an adsorption and moving mechanism arranged on the rack and used for adsorbing the material on the material suction position and moving the material to the material collecting position; and

[0007] a material carrying mechanism arranged on the rack, the material carrying mechanism comprising a tray, a material pushing assembly, a first lifting assembly, and a second lifting assembly; the tray is arranged on the material collecting position; the material pushing assembly is arranged corresponding to the material collecting position and used for pushing the tray on the material collecting position to the material stacking position; the first lifting assembly is arranged corresponding to the material collecting position and used for lifting the tray on the material collecting position; and the second lifting assembly is arranged corresponding to the material stacking position and used for lowering the tray on the material stacking position.

[0008] The automatic material collecting device works as follows: the adsorption and moving mechanism adsorbs the material on the material suction position and moves the material to the tray on the material collecting position; when the material on the tray on the material collecting position reaches a preset quantity, the material pushing assembly pushes the tray carrying the preset quantity of material from the material collecting position to the material stacking position; the first lifting assembly lifts the empty tray on the material collecting position by one tray height; the second lifting assembly lowers the tray on the material stacking position by one tray height; and the above steps are repeated. When the tray carrying the preset quantity of material on the material stacking position is stacked to a certain quantity, the tray is uniformly transferred, which is high in automation, reduces manual intervention, reduces labor intensity, saves labor cost, and improves production efficiency.

[0009] In one of the embodiments, a material dragging mechanism is further included, which is arranged on the frame and used to drag the material to the material suction position.

[0010] In one of the embodiments, the material dragging mechanism includes a transverse driving assembly, a fixing frame connected to the transverse driving assembly, and a clamping assembly connected to the fixing frame.

[0011] In one of the embodiments, the clamping assembly is arranged along the width direction of the material suction position; the number of the clamping assemblies is two, and the two clamping assemblies are arranged in a spaced manner along the width direction of the material suction position.

[0012] In one of the embodiments, the clamping assembly includes a connector connected to the fixing frame, a first clamping block connected to the connector, a clamping driver connected to the connector, and a second clamping block connected to the clamping driver, wherein the second clamping block is arranged in a vertically corresponding manner with the first clamping block.

[0013] In one of the embodiments, the material suction moving mechanism includes a longitudinal driving assembly, a moving frame connected to the longitudinal driving assembly, and a suction unit connected to the moving frame.

[0014] In one of the embodiments, the number of the material pushing assemblies is two, and the two material pushing assemblies are arranged in a spaced manner along the length direction of the material collection position.

[0015] In one of the embodiments, the number of the trays is multiple, and multiple empty trays are stacked in a vertical direction on the material collection position, and multiple trays loaded with a preset amount of material are stacked in a vertical direction on the material stacking position.

[0016] In one of the embodiments, a first limiting assembly is further included, which is arranged between the material collection position and the material stacking position.

[0017] In one of the embodiments, a second limiting assembly is further included, which is arranged on a side of the material stacking position away from the material collection position. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a structural schematic diagram of an automatic material collection device according to an embodiment of the present application;

[0019] Figure 2 FIG. 2 is an enlarged view of A in the automatic material collection device shown in FIG. 1; Figure 1

[0020] Figure 3 FIG. 3 is a structural schematic diagram of a material carrying mechanism in the automatic material collection device shown in FIG. 1, wherein the trays are omitted; Figure 1

[0021] ​​Figure 4 Fig. 2 is a schematic view of a right part structure of the material handling mechanism shown in Fig. 1; Figure 3

[0022] Figure 5 Fig. 3 is a schematic view of a left part structure of the material handling mechanism shown in Fig. 1. Figure 3

[0023] The meanings of the reference signs in the drawings are as follows:

[0024] 10, frame; 11, suction position; 12, collection position; 13, stacking position; 20, material dragging mechanism; 21, transverse driving assembly; 22, fixed frame; 23, clamping assembly; 24, adapter; 25, first clamping block; 26, clamping driver; 27, second clamping block; 30, suction moving mechanism; 31, longitudinal driving assembly; 32, moving frame; 33, suction unit; 40, material handling mechanism; 41, tray; 42, material pushing assembly; 43, pusher; 44, push plate; 50, first lifting assembly; 51, first driving wheel; 52, first driven wheel; 53, first transmission chain; 54, first support; 60, second lifting assembly; 61, second driving wheel; 62, second driven wheel; 63, second transmission chain; 64, second support; 70, lifting driving assembly; 71, driving shaft; 72, driven shaft; 73, rotary driver; 74, transmission shaft; 75, commutator; 80, first limiting assembly; 81, first telescopic driver; 82, first telescopic rod; 90, second limiting assembly; 91, second telescopic driver; 93, second telescopic rod; 100, positioning assembly; 101, transverse driver; 102, positioning plate. DETAILED DESCRIPTION

[0025] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application can be practiced without some or all of these details. In other instances, well known process steps have not been described in detail in order to avoid unnecessarily obscuring the present application. Therefore, the specific embodiments described herein are not intended to be limiting, but rather are to serve as examples for the practicing the present application.

[0026] ​​In the description of the application, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the application.

[0027] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0028] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it can only mean that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it can only mean that the horizontal height of the first feature is less than that of the second feature.

[0030] It is to be noted that when an element is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. As used herein, the terms "vertical", "horizontal", "upper", "lower", "left", "right", and the like are merely used for the purpose of explanation and are not intended to be limiting.

[0031] Referring to Figures 1 to 5 The automatic material collecting device is used for stacking the processed materials, and the materials are in the form of plates or sheets. Specifically, the materials are regular or irregular large-format flexible materials, such as leather.

[0032] Referring to Figure 1 and Figure 3 The automatic material collecting device comprises a rack 10, a suction moving mechanism 30, and a material carrying mechanism 40. The rack 10 is provided with a material suction position 11, a material collecting position 12, and a material stacking position 13 in sequence. Specifically, the material suction position 11, the material collecting position 12, and the material stacking position 13 are arranged in sequence and spaced apart along the longitudinal direction of the rack 10. The suction moving mechanism 30 is arranged on the rack 10 and used for sucking the materials on the material suction position 11 and moving to the material collecting position 12. The material carrying mechanism 40 is arranged on the rack 10. The material carrying mechanism 40 comprises a tray 41, a material pushing assembly 42, a first lifting assembly 50, and a second lifting assembly 60. The tray 41 is arranged on the material collecting position 12. The material pushing assembly 42 is arranged corresponding to the material collecting position 12 and used for pushing the tray 41 on the material collecting position 12 to the material stacking position 13. The first lifting assembly 50 is arranged corresponding to the material collecting position 12 and used for driving the tray 41 on the material collecting position 12 to ascend. The second lifting assembly 60 is arranged corresponding to the material stacking position 13 and used for driving the tray 41 on the material stacking position 13 to descend.

[0033] In operation, the suction moving mechanism 30 sucks the materials on the material suction position 11 and moves to the tray 41 on the material collecting position 12. When the materials on the tray 41 on the material collecting position 12 reach a preset number, the material pushing assembly 42 pushes the tray 41 carrying the preset number of materials from the material collecting position 12 to the material stacking position 13, the first lifting assembly 50 drives the empty tray 41 on the material collecting position 12 to ascend by one tray 41 height, and the second lifting assembly 60 drives the tray 41 on the material stacking position 13 to descend by one tray 41 height, and the cycle is repeated. When the tray 41 carrying the preset number of materials on the material stacking position 13 is stacked to a certain number, the tray 41 is uniformly transferred, the degree of automation is high, the manual intervention is reduced, the labor intensity is reduced, the labor cost is saved, and the production efficiency is improved.

[0034] Referring to Figure 1In some embodiments, the automatic material collecting device further comprises a material dragging mechanism 20 arranged on the frame 10 and used to drag the material to the material suction position 11. It can be understood that the material dragging mechanism 20 is used to drag the material processed by the previous working position to the material suction position 11.

[0035] It should be noted that, for the convenience of understanding, the transverse direction is referred to as the X direction, the longitudinal direction is referred to as the Y direction, and the vertical direction is referred to as the Z direction.

[0036] Please refer to Figure 2 Specifically, the material dragging mechanism 20 comprises a transverse driving assembly 21, a fixed frame 22 connected with the transverse driving assembly 21, and a clamping assembly 23 connected with the fixed frame 22. The fixed frame 22 is slidingly arranged on the frame 10, the clamping assembly 23 is used to clamp the material, and the transverse driving assembly 21 drives the clamping assembly 23 to reciprocate along the transverse direction through the fixed frame 22, so as to drag the material clamped by the clamping assembly 23 to the material suction position 11. Further, the fixed frame 22 is arranged corresponding to the material suction position 11 and extends along the width direction of the material suction position 11. The number of clamping assemblies 23 is two, and the two clamping assemblies 23 are arranged in the width direction of the material suction position 11.

[0037] Further, the clamping assembly 23 comprises a connector 24 connected with the fixed frame 22, a first clamping block 25 connected with the connector 24, a clamping driver 26 connected with the connector 24, and a second clamping block 27 connected with the clamping driver 26. The second clamping block 27 is arranged corresponding to the first clamping block 25 along the vertical direction. Specifically, the second clamping block 27 is located directly above the first clamping block 25, and the clamping driver 26 is used to drive the second clamping block 27 away from or close to the first clamping block 25 to clamp the material. It should be noted that, when clamping the material, the clamping assembly 23 only needs to clamp the corner of one end of the material, and then the transverse driving assembly 21 drives the clamping assembly 23 to move along the transverse direction through the fixed frame 22, so as to drag the material to the material suction position 11, so that the material is located below the material suction and moving mechanism 30, thereby being less affected by the shape and size of the material. It should be noted that the transverse driving assembly 21 is composed of a motor, a gear and a rack, i.e. the motor arranged on the fixed frame 22 drives the gear to rotate through the engagement with the rack, thereby driving the fixed frame 22 and the clamping assembly 23 to reciprocate along the transverse direction.

[0038] Please refer to Figure 1In some embodiments, the suction moving mechanism 30 comprises a longitudinal driving assembly 31, a moving frame 32 connected to the longitudinal driving assembly 31, and a suction unit 33 connected to the moving frame 32. The moving frame 32 is slidingly arranged on the rack 10, the suction unit 33 is used for materials, and the longitudinal driving assembly 31 drives the suction unit 33 to move along the longitudinal direction through the moving frame 32, so as to transfer the materials sucked by the suction unit 33 from the material suction position 11 to the tray 41 of the material collection position 12. It should be noted that the longitudinal driving assembly 31 is composed of a motor, a gear and a rack, that is, the motor arranged on the moving frame 32 drives the gear engaged with the rack to rotate, thereby driving the moving frame 32 and the suction unit 33 to reciprocate along the longitudinal direction.

[0039] Further, the suction unit 33 comprises a suction driver connected to the moving frame 32 and a suction plate connected to the suction driver, and the suction driver is used to drive the suction plate to move up and down.

[0040] It should be noted that the suction plate can be used to suck regular or irregular large-format flexible materials without changing the original shape of the materials.

[0041] The number of the trays 41 is multiple, and the multiple trays 41 are arranged in a vertical direction. Specifically, the multiple empty trays 41 are arranged in a vertical direction on the material collection position 12, and the multiple trays 41 loaded with a preset number of materials are arranged in a vertical direction on the material collection position 12.

[0042] In the embodiment, the number of the material pushing assemblies 42 is two, and the two material pushing assemblies 42 are arranged in a length direction of the material collection position 12. Specifically, the two material pushing assemblies 42 are located at two ends of the material collection position 12 in the length direction of the material collection position 12.

[0043] Please refer to Figure 3 The material pushing assembly 42 comprises a pusher 43 and a push plate 44 connected to the pusher 43, and a driver arranged on the rack 10. The pusher 43 drives the push plate 44 to reciprocate along the longitudinal direction, so as to push the tray loaded with a preset number of materials from the material collection position 12 to the material stacking position 13. In the embodiment, the material pushing assembly 42 is a rodless cylinder.

[0044] Please refer to Figures 3 to 5 The number of the first lifting assemblies 50 is two, and the two first lifting assemblies 50 are arranged at opposite ends of the material collection position 12, respectively. The two first lifting assemblies 50 are cooperatively arranged to support the tray 41. It can be understood that one of the first lifting assemblies 50 supports one end of the tray 41, and the other of the first lifting assemblies 50 supports the other end of the tray 41.

[0045] The first lifting assembly 50 comprises a first driving wheel 51, a first driven wheel 52, a first transmission chain 53 sleeved on the first driving wheel 51 and the first driven wheel 52, and a first supporting member 54 connected to the first transmission chain 53, in particular, the first supporting member 54 is connected to a side of the first transmission chain 53 away from the material receiving position 12, and the first supporting member 54 is used for supporting the tray 41.

[0046] The second lifting assembly 60 is two in number, and is arranged at opposite ends of the material receiving position 12, and cooperates to support the tray 41, and it can be understood that one end of the tray 41 is supported by one of the second lifting assemblies 60, and the other end of the tray 41 is supported by the other second lifting assembly 60.

[0047] The second lifting assembly 60 comprises a second driving wheel 61, a second driven wheel 62, a second transmission chain 63 sleeved on the second driving wheel 61 and the second driven wheel 62, and a second supporting member 64 connected to the second transmission chain 63, and the second supporting member 64 is used for supporting the tray 41. In particular, the second supporting member 64 is connected to a side of the second transmission chain 63 close to the material stacking position 13, and the movement direction of the second supporting member 64 is opposite to that of the first supporting member 54.

[0048] In some embodiments, the automatic material receiving device further comprises a lifting driving assembly 70 for simultaneously driving the upward movement of the first lifting assembly 50 and the downward movement of the second lifting assembly 60. The lifting driving assembly 70 is also used for simultaneously driving the downward movement of the first lifting assembly 50 and the upward movement of the second lifting assembly 60. The lifting movement of the first lifting assembly 50 and the second lifting assembly 60 is controlled by the same lifting driving assembly 70, which effectively reduces the cost and is beneficial to reduce the volume of the automatic material receiving device, thereby reducing the occupied space of the automatic material receiving device.

[0049] The lifting driving assembly 70 comprises a driving shaft 71 and a driven shaft 72 arranged on the rack 10, a rotary driver 73 for driving the driving shaft 71 to rotate, the first driving wheel 51 and the second driving wheel 61 are sleeved on the driving shaft 71, and the first driven wheel 52 and the second driven wheel 62 are sleeved on the driven shaft 72. The driving shaft 71 and the driven shaft 72 are arranged in the longitudinal direction. The rotary driver 73 is located between the first lifting assembly 50

[0050] It can be understood that when the rotation driver 73 drives the driving shaft 71 to rotate in the first direction, the first direction is counterclockwise rotation, the driving shaft 71 drives the first transmission chain 53 and the second transmission chain 63 to move in the first direction through the first driving wheel 51 and the second driving wheel 61 respectively, at this time, the first supporting plate rises and the second supporting plate descends, that is, the tray 41 on the material collecting position 12 rises and the tray 41 on the material stacking position 13 descends. When the rotation driver 73 drives the driving shaft 71 to rotate in the second direction, the second direction is clockwise rotation, the driving shaft 71 drives the first transmission chain 53 and the second transmission chain 63 to move in the second direction through the first driving wheel 51 and the second driving wheel 61 respectively, at this time, the second supporting plate descends and the first supporting plate rises, that is, the tray 41 on the material collecting position 12 descends and the tray 41 on the material stacking position 13 rises.

[0051] Further, the number of the driving shaft 71 and the driven shaft 72 is two, the two driving shafts 71 are respectively located at opposite ends of the rack 10, the two driven shafts 72 are respectively located at opposite ends of the rack 10, the two lifting driving assemblies 70 further include two transmission shafts 74 and two commutators 75, the transmission shaft 74 extends in the transverse direction, the two transmission shafts 74 are connected with the rotation driver 73, the two commutators 75 are respectively connected with the two transmission shafts 74, and the commutator 75 is used for converting the rotation direction of the transmission shaft 74 transmitted to the driving shaft 71.

[0052] In some embodiments, the automatic material collecting device further includes a first limiting assembly 80, the first limiting assembly 80 is arranged between the material collecting position 12 and the material stacking position 13, and a second limiting assembly 90 is arranged to limit the tray 41 on the material collecting position 12, so as to prevent the tray 41 on the material collecting position 12 from sliding to the material stacking position 13 before being loaded to the preset number of materials.

[0053] The number of the first limiting assembly 80 is two, and the two first limiting assemblies 80 are respectively located at opposite ends of the material collecting position 12.

[0054] Specifically, the first limiting assembly 80 includes a first telescopic rod 82 arranged on the rack 10 and connected with a first telescopic driver 81.

[0055] In some embodiments, the automatic material collecting device further includes a second limiting assembly 90, the second limiting assembly 90 is arranged on the side of the material stacking position 13 away from the material collecting position 12, and the second limiting assembly 90 is used for limiting the tray 41 on the material stacking position 13, so as to prevent the tray 41 on the material stacking position 13 from sliding out from the side of the material stacking position 13 away from the material collecting position 12.

[0056] The number of the second limiting assembly 90 is two, and the two second limiting assemblies 90 are respectively located at opposite ends of the material stacking position 13.

[0057] Specifically, the second limiting assembly 90 comprises a second telescopic driver 91 arranged on the rack 10 and a second telescopic rod 93 connected with the second telescopic driver 91.

[0058] In some embodiments, a positioning assembly 100 is further included, which is arranged on the material receiving position 12 and used for positioning the uppermost tray 41 on the material receiving position 12 to ensure that the adsorption unit can accurately place the material on the tray 41.

[0059] Specifically, the positioning assembly 100 comprises two lateral drivers 101 arranged on the rack 10 and respectively arranged at opposite ends of the material receiving position 12 and two positioning plates 102 respectively connected with the two positioning plates 102, and in operation, the two lateral drivers 101 respectively drive the positioning plates 102 to move towards each other to clamp the two ends of the tray 41.

[0060] The automatic material receiving device of the present application, in operation, specifically comprises the following steps:

[0061] 1. The material dragging mechanism 20 is used for dragging the material processed by the previous work station to the material suction position 11.

[0062] 2. The adsorption and moving mechanism 30 sucks the material on the material suction position 11 and moves to the tray 41 on the material receiving position 12.

[0063] 3. When the material on the tray 41 on the material receiving position 12 reaches the preset quantity, the material pushing assembly 42 pushes the tray 41 carrying the preset quantity of material from the material receiving position 12 to the material stacking position 13.

[0064] 4. The first lifting assembly 50 lifts the empty tray 41 on the material receiving position 12 by one tray 41 height, and the second lifting assembly 60 lowers the tray 41 on the material stacking position 13 to one tray 41 height.

[0065] 5. The above steps are repeated, and when the trays 41 carrying the preset quantity of material on the material stacking position 13 are stacked to a certain quantity, the multiple trays 41 on the material stacking position 13 are uniformly transferred, and multiple empty trays 41 are added to the material receiving position 12, preparing for the next material receiving process.

[0066] The automatic material collecting device of the application is used for dragging the material after processing in the previous station to the material suction position 11 through the material dragging mechanism 20, and the material suction and moving mechanism 30 is used for sucking the material on the material suction position 11 and moving to the tray 41 on the material collecting position 12, when the material on the tray 41 on the material collecting position 12 reaches the preset quantity, the material pushing assembly 42 pushes the tray 41 carrying the preset quantity of material from the material collecting position 12 to the material stacking position 13, the first lifting assembly 50 drives the empty tray 41 on the material collecting position 12 to rise by one tray 41 height, the second lifting assembly 60 drives the tray 41 on the material stacking position 13 to descend by one tray 41 height, and the cycle is repeated, when the trays 41 carrying the preset quantity of material on the material stacking position 13 are stacked to a certain quantity, the multiple trays 41 on the material stacking position 13 are uniformly transferred, and multiple empty trays 41 are added to the material collecting position 12, preparing for the next material collecting process, the degree of automation is high, which is beneficial to reduce manual intervention, thereby being beneficial to reduce the labor intensity and save the labor cost, and being beneficial to improve the production efficiency.

[0067] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the description.

[0068] The above-described embodiments only express several implementation manners of the application, the description is more specific and detailed, but it should not be understood as the limitation of the patent scope of the application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the application, a number of modifications and improvements can be made, which belong to the protection scope of the application. Therefore, the protection scope of the patent of the application should be subject to the appended claims.

Claims

1. An automatic material collecting device characterized by comprising: The automatic material collecting device comprises a rack, a material suction position, a material collecting position and a material stacking position arranged in sequence on the rack, a material suction and moving mechanism arranged on the rack and used for sucking and moving the material on the material suction position to the material collecting position, and a material carrying mechanism arranged on the rack. The material carrying mechanism comprises a tray, a material pushing assembly, a first lifting assembly and a second lifting assembly. The tray is arranged on the material collecting position. The material pushing assembly is arranged corresponding to the material collecting position and used for pushing the tray on the material collecting position to the material stacking position. The first lifting assembly is arranged corresponding to the material collecting position and used for lifting the tray on the material collecting position. The second lifting assembly is arranged corresponding to the material stacking position and used for lowering the tray on the material stacking position. The number of the material pushing assemblies is two.

2. The automatic material collecting device according to claim 1, characterized in that, The two material pushing assemblies are arranged in the length direction of the material collecting position.

3. The automatic material collection device of claim 2, wherein, The material pushing assembly comprises a pusher and a push plate connected with the pusher.

4. The automatic material collecting device according to claim 3, characterized in that A driver is arranged on the rack.

5. The automatic material receiving device according to claim 3, wherein The pusher reciprocates along the longitudinal direction by pushing the push plate to push the tray from the material collecting position to the material stacking position.

6. The automatic material receiving device according to claim 1, wherein The first lifting assembly comprises a first driving wheel, a first driven wheel, a first transmission chain sleeved on the first driving wheel and the first driven wheel, and a first support connected with the first transmission chain.

7. The automatic material receiving device according to claim 1, wherein The first support is connected with the first transmission chain away from the material collecting position and is used for supporting the tray. The second lifting assembly comprises a second driving wheel, a second driven wheel, a second transmission chain sleeved on the second driving wheel and the second driven wheel, and a second support connected with the second transmission chain. The second support is used for supporting the tray. The automatic material collecting device further comprises a lifting driving assembly. The lifting driving assembly comprises a driving shaft and a driven shaft arranged on the rack, and a rotary driver used for driving the driving shaft to rotate. The first driving wheel and the second driving wheel are sleeved on the driving shaft. The first driven wheel and the second driven wheel are sleeved on the driven shaft. The driving shaft and the driven shaft are arranged in the longitudinal direction. The rotary driver is located between the first lifting assembly. The automatic material collecting device further comprises a material dragging mechanism arranged on the rack and used for dragging the material to the material suction position. The material dragging mechanism comprises a transverse driving assembly, a fixing frame connected with the transverse driving assembly, and a clamping assembly connected with the fixing frame. The clamping assembly is arranged in the width direction of the material suction position. The number of the clamping assemblies is two. The two clamping assemblies are arranged in the width direction of the material suction position. The clamping assembly comprises a connector connected with the fixing frame, a first clamping block connected with the connector, a clamping driver connected with the connector, and a second clamping block connected with the clamping driver. The second clamping block is arranged corresponding to the first clamping block in the vertical direction. The material suction and moving mechanism comprises a longitudinal driving assembly, a moving frame connected with the longitudinal driving assembly, and a suction unit connected with the moving frame. The number of the trays is multiple. The multiple empty trays are stacked in the vertical direction on the material collecting position. The multiple trays loaded with the preset number of materials are stacked in the vertical direction on the material stacking position.

8. The automatic material collecting device according to any one of claims 1 to 7, characterized in that, The first limiting assembly is arranged between the material receiving position and the material stacking position.

9. The automatic material collecting device according to any one of claims 1 to 7, characterized in that, The second limiting assembly is arranged on the side of the material stacking position away from the material receiving position.

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